Tagging 17

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/tags/libcpp-17@128700 91177308-0d34-0410-b5e6-96231b3b80d8

CREDITS.TXT

@@ -16,7 +16,3 @@ N: Marshall Clow
 E: marshall@idio.com
 E: mclow@qualcomm.com
 D: Minor patches and bug fixes.
-
-N: Bjorn Reese
-E: breese@users.sourceforge.net
-D: Initial regex prototype

Makefile

@@ -9,15 +9,6 @@ OBJROOT=.
 SYMROOT=.
 export TRIPLE=-apple-
 
-ifeq (,$(RC_INDIGO))
-	INSTALL_PREFIX=""
-else
-	INSTALL_PREFIX="$(SDKROOT)"
-endif
-
-help::
-	echo Use make install DSTROOT=<destination>
-
 installsrc:: $(SRCROOT)
 
 	ditto $(SRCDIRS)/include $(SRCROOT)/include
@@ -29,19 +20,19 @@ clean::
 
 installhdrs::
 
-	mkdir -p $(DSTROOT)/$(INSTALL_PREFIX)/usr/include/c++/v1/ext
-	rsync -r --exclude=".*" $(SRCDIRS)/include/* $(DSTROOT)/$(INSTALL_PREFIX)/usr/include/c++/v1/
-	chown -R root:wheel $(DSTROOT)/$(INSTALL_PREFIX)/usr/include
-	chmod 755 $(DSTROOT)/$(INSTALL_PREFIX)/usr/include/c++/v1
-	chmod 644 $(DSTROOT)/$(INSTALL_PREFIX)/usr/include/c++/v1/*
-	chmod 755 $(DSTROOT)/$(INSTALL_PREFIX)/usr/include/c++/v1/ext
-	chmod 644 $(DSTROOT)/$(INSTALL_PREFIX)/usr/include/c++/v1/ext/*
+	mkdir -p $(DSTROOT)/usr/include/c++/v1/ext
+	rsync -r --exclude=".*" $(SRCDIRS)/include/* $(DSTROOT)/usr/include/c++/v1/
+	chown -R root:wheel $(DSTROOT)/usr/include
+	chmod 755 $(DSTROOT)/usr/include/c++/v1
+	chmod 644 $(DSTROOT)/usr/include/c++/v1/*
+	chmod 755 $(DSTROOT)/usr/include/c++/v1/ext
+	chmod 644 $(DSTROOT)/usr/include/c++/v1/ext/*
 
 install:: installhdrs $(DESTDIR)
 
 	cd lib && ./buildit
 	ditto lib/libc++.1.dylib $(SYMROOT)/usr/lib/libc++.1.dylib
 	cd lib && dsymutil -o $(SYMROOT)/libc++.1.dylib.dSYM  $(SYMROOT)/usr/lib/libc++.1.dylib
-	mkdir -p $(DSTROOT)/$(INSTALL_PREFIX)/usr/lib
-	strip -S -o $(DSTROOT)/$(INSTALL_PREFIX)/usr/lib/libc++.1.dylib $(SYMROOT)/usr/lib/libc++.1.dylib
-	cd $(DSTROOT)/$(INSTALL_PREFIX)/usr/lib && ln -s libc++.1.dylib libc++.dylib
+	mkdir -p $(DSTROOT)/usr/lib
+	strip -S -o $(DSTROOT)/usr/lib/libc++.1.dylib $(SYMROOT)/usr/lib/libc++.1.dylib
+	cd $(DSTROOT)/usr/lib && ln -s libc++.1.dylib libc++.dylib

cmake/config-ix.cmake

@@ -25,7 +25,6 @@ check_cxx_compiler_flag(/GR-                  LIBCXX_HAS_NO_GR_FLAG)
 check_library_exists(pthread pthread_create "" LIBCXX_HAS_PTHREAD_LIB)
 check_library_exists(c printf "" LIBCXX_HAS_C_LIB)
 check_library_exists(m ccos "" LIBCXX_HAS_M_LIB)
-check_library_exists(rt clock_gettime "" LIBCXX_HAS_RT_LIB)
 check_library_exists(gcc_s __gcc_personality_v0 "" LIBCXX_HAS_GCC_S_LIB)
 
 # Check C++0x features

include/__bit_reference

@@ -21,13 +21,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 template <class _C, bool _IsConst> class __bit_iterator;
 template <class _C> class __bit_const_reference;
 
-template <class _Tp>
-struct __has_storage_type
-{
-    static const bool value = false;
-};
-
-template <class _C, bool = __has_storage_type<_C>::value>
+template <class _C>
 class __bit_reference
 {
     typedef typename _C::__storage_type    __storage_type;
@@ -44,13 +38,11 @@ class __bit_reference
     friend class __bit_const_reference<_C>;
     friend class __bit_iterator<_C, false>;
 public:
-    _LIBCPP_INLINE_VISIBILITY operator bool() const _NOEXCEPT
-        {return static_cast<bool>(*__seg_ & __mask_);}
-    _LIBCPP_INLINE_VISIBILITY bool operator ~() const _NOEXCEPT
-        {return !static_cast<bool>(*this);}
+    _LIBCPP_INLINE_VISIBILITY operator bool() const {return static_cast<bool>(*__seg_ & __mask_);}
+    _LIBCPP_INLINE_VISIBILITY bool operator ~() const {return !static_cast<bool>(*this);}
 
     _LIBCPP_INLINE_VISIBILITY
-    __bit_reference& operator=(bool __x) _NOEXCEPT
+    __bit_reference& operator=(bool __x)
     {
         if (__x)
             *__seg_ |= __mask_;
@@ -60,27 +52,20 @@ public:
     }
 
     _LIBCPP_INLINE_VISIBILITY
-    __bit_reference& operator=(const __bit_reference& __x) _NOEXCEPT
-        {return operator=(static_cast<bool>(__x));}
+    __bit_reference& operator=(const __bit_reference& __x) {return operator=(static_cast<bool>(__x));}
 
-    _LIBCPP_INLINE_VISIBILITY void flip() _NOEXCEPT {*__seg_ ^= __mask_;}
-    _LIBCPP_INLINE_VISIBILITY __bit_iterator<_C, false> operator&() const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY void flip() {*__seg_ ^= __mask_;}
+    _LIBCPP_INLINE_VISIBILITY __bit_iterator<_C, false> operator&() const
         {return __bit_iterator<_C, false>(__seg_, static_cast<unsigned>(__ctz(__mask_)));}
 private:
     _LIBCPP_INLINE_VISIBILITY
-    __bit_reference(__storage_pointer __s, __storage_type __m) _NOEXCEPT
-        : __seg_(__s), __mask_(__m) {}
-};
-
-template <class _C>
-class __bit_reference<_C, false>
-{
+    __bit_reference(__storage_pointer __s, __storage_type __m) : __seg_(__s), __mask_(__m) {}
 };
 
 template <class _C, class _D>
 _LIBCPP_INLINE_VISIBILITY inline
 void
-swap(__bit_reference<_C> __x, __bit_reference<_D> __y) _NOEXCEPT
+swap(__bit_reference<_C> __x, __bit_reference<_D> __y)
 {
     bool __t = __x;
     __x = __y;
@@ -90,7 +75,7 @@ swap(__bit_reference<_C> __x, __bit_reference<_D> __y) _NOEXCEPT
 template <class _C>
 _LIBCPP_INLINE_VISIBILITY inline
 void
-swap(__bit_reference<_C> __x, bool& __y) _NOEXCEPT
+swap(__bit_reference<_C> __x, bool& __y)
 {
     bool __t = __x;
     __x = __y;
@@ -100,7 +85,7 @@ swap(__bit_reference<_C> __x, bool& __y) _NOEXCEPT
 template <class _C>
 _LIBCPP_INLINE_VISIBILITY inline
 void
-swap(bool& __x, __bit_reference<_C> __y) _NOEXCEPT
+swap(bool& __x, __bit_reference<_C> __y)
 {
     bool __t = __x;
     __x = __y;
@@ -124,18 +109,16 @@ class __bit_const_reference
     friend class __bit_iterator<_C, true>;
 public:
     _LIBCPP_INLINE_VISIBILITY
-    __bit_const_reference(const __bit_reference<_C>& __x) _NOEXCEPT
+    __bit_const_reference(const __bit_reference<_C>& __x)
         : __seg_(__x.__seg_), __mask_(__x.__mask_) {}
 
-    _LIBCPP_INLINE_VISIBILITY operator bool() const _NOEXCEPT
-        {return static_cast<bool>(*__seg_ & __mask_);}
+    _LIBCPP_INLINE_VISIBILITY operator bool() const {return static_cast<bool>(*__seg_ & __mask_);}
 
-    _LIBCPP_INLINE_VISIBILITY __bit_iterator<_C, true> operator&() const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY __bit_iterator<_C, true> operator&() const
         {return __bit_iterator<_C, true>(__seg_, static_cast<unsigned>(__ctz(__mask_)));}
 private:
     _LIBCPP_INLINE_VISIBILITY
-    __bit_const_reference(__storage_pointer __s, __storage_type __m) _NOEXCEPT
-        : __seg_(__s), __mask_(__m) {}
+    __bit_const_reference(__storage_pointer __s, __storage_type __m) : __seg_(__s), __mask_(__m) {}
 
     __bit_const_reference& operator=(const __bit_const_reference& __x);
 };
@@ -153,25 +136,25 @@ __find_bool_true(__bit_iterator<_C, false> __first, typename _C::size_type __n)
     if (__first.__ctz_ != 0)
     {
         __storage_type __clz_f = static_cast<__storage_type>(__bits_per_word - __first.__ctz_);
-        __storage_type __dn = _VSTD::min(__clz_f, __n);
+        __storage_type __dn = _STD::min(__clz_f, __n);
         __storage_type __m = (~__storage_type(0) << __first.__ctz_) & (~__storage_type(0) >> (__clz_f - __dn));
         __storage_type __b = *__first.__seg_ & __m;
         if (__b)
-            return _It(__first.__seg_, static_cast<unsigned>(_VSTD::__ctz(__b)));
+            return _It(__first.__seg_, static_cast<unsigned>(_STD::__ctz(__b)));
         __n -= __dn;
         ++__first.__seg_;
     }
     // do middle whole words
     for (; __n >= __bits_per_word; ++__first.__seg_, __n -= __bits_per_word)
         if (*__first.__seg_)
-            return _It(__first.__seg_, static_cast<unsigned>(_VSTD::__ctz(*__first.__seg_)));
+            return _It(__first.__seg_, static_cast<unsigned>(_STD::__ctz(*__first.__seg_)));
     // do last partial word
     if (__n > 0)
     {
         __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n);
         __storage_type __b = *__first.__seg_ & __m;
         if (__b)
-            return _It(__first.__seg_, static_cast<unsigned>(_VSTD::__ctz(__b)));
+            return _It(__first.__seg_, static_cast<unsigned>(_STD::__ctz(__b)));
     }
     return _It(__first.__seg_, static_cast<unsigned>(__n));
 }
@@ -187,11 +170,11 @@ __find_bool_false(__bit_iterator<_C, false> __first, typename _C::size_type __n)
     if (__first.__ctz_ != 0)
     {
         __storage_type __clz_f = static_cast<__storage_type>(__bits_per_word - __first.__ctz_);
-        __storage_type __dn = _VSTD::min(__clz_f, __n);
+        __storage_type __dn = _STD::min(__clz_f, __n);
         __storage_type __m = (~__storage_type(0) << __first.__ctz_) & (~__storage_type(0) >> (__clz_f - __dn));
         __storage_type __b = ~(*__first.__seg_ & __m);
         if (__b)
-            return _It(__first.__seg_, static_cast<unsigned>(_VSTD::__ctz(__b)));
+            return _It(__first.__seg_, static_cast<unsigned>(_STD::__ctz(__b)));
         __n -= __dn;
         ++__first.__seg_;
     }
@@ -200,7 +183,7 @@ __find_bool_false(__bit_iterator<_C, false> __first, typename _C::size_type __n)
     {
         __storage_type __b = ~*__first.__seg_;
         if (__b)
-            return _It(__first.__seg_, static_cast<unsigned>(_VSTD::__ctz(__b)));
+            return _It(__first.__seg_, static_cast<unsigned>(_STD::__ctz(__b)));
     }
     // do last partial word
     if (__n > 0)
@@ -208,7 +191,7 @@ __find_bool_false(__bit_iterator<_C, false> __first, typename _C::size_type __n)
         __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n);
         __storage_type __b = ~(*__first.__seg_ & __m);
         if (__b)
-            return _It(__first.__seg_, static_cast<unsigned>(_VSTD::__ctz(__b)));
+            return _It(__first.__seg_, static_cast<unsigned>(_STD::__ctz(__b)));
     }
     return _It(__first.__seg_, static_cast<unsigned>(__n));
 }
@@ -238,20 +221,20 @@ __count_bool_true(__bit_iterator<_C, false> __first, typename _C::size_type __n)
     if (__first.__ctz_ != 0)
     {
         __storage_type __clz_f = static_cast<__storage_type>(__bits_per_word - __first.__ctz_);
-        __storage_type __dn = _VSTD::min(__clz_f, __n);
+        __storage_type __dn = _STD::min(__clz_f, __n);
         __storage_type __m = (~__storage_type(0) << __first.__ctz_) & (~__storage_type(0) >> (__clz_f - __dn));
-        __r = _VSTD::__pop_count(*__first.__seg_ & __m);
+        __r = _STD::__pop_count(*__first.__seg_ & __m);
         __n -= __dn;
         ++__first.__seg_;
     }
     // do middle whole words
     for (; __n >= __bits_per_word; ++__first.__seg_, __n -= __bits_per_word)
-        __r += _VSTD::__pop_count(*__first.__seg_);
+        __r += _STD::__pop_count(*__first.__seg_);
     // do last partial word
     if (__n > 0)
     {
         __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n);
-        __r += _VSTD::__pop_count(*__first.__seg_ & __m);
+        __r += _STD::__pop_count(*__first.__seg_ & __m);
     }
     return __r;
 }
@@ -269,20 +252,20 @@ __count_bool_false(__bit_iterator<_C, false> __first, typename _C::size_type __n
     if (__first.__ctz_ != 0)
     {
         __storage_type __clz_f = static_cast<__storage_type>(__bits_per_word - __first.__ctz_);
-        __storage_type __dn = _VSTD::min(__clz_f, __n);
+        __storage_type __dn = _STD::min(__clz_f, __n);
         __storage_type __m = (~__storage_type(0) << __first.__ctz_) & (~__storage_type(0) >> (__clz_f - __dn));
-        __r = _VSTD::__pop_count(~(*__first.__seg_ & __m));
+        __r = _STD::__pop_count(~(*__first.__seg_ & __m));
         __n -= __dn;
         ++__first.__seg_;
     }
     // do middle whole words
     for (; __n >= __bits_per_word; ++__first.__seg_, __n -= __bits_per_word)
-        __r += _VSTD::__pop_count(~*__first.__seg_);
+        __r += _STD::__pop_count(~*__first.__seg_);
     // do last partial word
     if (__n > 0)
     {
         __storage_type __m = ~__storage_type(0) >> (__bits_per_word - __n);
-        __r += _VSTD::__pop_count(~(*__first.__seg_ & __m));
+        __r += _STD::__pop_count(~(*__first.__seg_ & __m));
     }
     return __r;
 }
@@ -310,7 +293,7 @@ __fill_n_false(__bit_iterator<_C, false> __first, typename _C::size_type __n)
     if (__first.__ctz_ != 0)
     {
         __storage_type __clz_f = static_cast<__storage_type>(__bits_per_word - __first.__ctz_);
-        __storage_type __dn = _VSTD::min(__clz_f, __n);
+        __storage_type __dn = _STD::min(__clz_f, __n);
         __storage_type __m = (~__storage_type(0) << __first.__ctz_) & (~__storage_type(0) >> (__clz_f - __dn));
         *__first.__seg_ &= ~__m;
         __n -= __dn;
@@ -318,7 +301,7 @@ __fill_n_false(__bit_iterator<_C, false> __first, typename _C::size_type __n)
     }
     // do middle whole words
     __storage_type __nw = __n / __bits_per_word;
-    _VSTD::memset(__first.__seg_, 0, __nw * sizeof(__storage_type));
+    _STD::memset(__first.__seg_, 0, __nw * sizeof(__storage_type));
     __n -= __nw * __bits_per_word;
     // do last partial word
     if (__n > 0)
@@ -340,7 +323,7 @@ __fill_n_true(__bit_iterator<_C, false> __first, typename _C::size_type __n)
     if (__first.__ctz_ != 0)
     {
         __storage_type __clz_f = static_cast<__storage_type>(__bits_per_word - __first.__ctz_);
-        __storage_type __dn = _VSTD::min(__clz_f, __n);
+        __storage_type __dn = _STD::min(__clz_f, __n);
         __storage_type __m = (~__storage_type(0) << __first.__ctz_) & (~__storage_type(0) >> (__clz_f - __dn));
         *__first.__seg_ |= __m;
         __n -= __dn;
@@ -348,7 +331,7 @@ __fill_n_true(__bit_iterator<_C, false> __first, typename _C::size_type __n)
     }
     // do middle whole words
     __storage_type __nw = __n / __bits_per_word;
-    _VSTD::memset(__first.__seg_, -1, __nw * sizeof(__storage_type));
+    _STD::memset(__first.__seg_, -1, __nw * sizeof(__storage_type));
     __n -= __nw * __bits_per_word;
     // do last partial word
     if (__n > 0)
@@ -380,7 +363,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 fill(__bit_iterator<_C, false> __first, __bit_iterator<_C, false> __last, bool __value)
 {
-    _VSTD::fill_n(__first, static_cast<typename _C::size_type>(__last - __first), __value);
+    _STD::fill_n(__first, static_cast<typename _C::size_type>(__last - __first), __value);
 }
 
 // copy
@@ -401,7 +384,7 @@ __copy_aligned(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C, _IsConst
         if (__first.__ctz_ != 0)
         {
             unsigned __clz = __bits_per_word - __first.__ctz_;
-            difference_type __dn = _VSTD::min(static_cast<difference_type>(__clz), __n);
+            difference_type __dn = _STD::min(static_cast<difference_type>(__clz), __n);
             __n -= __dn;
             __storage_type __m = (~__storage_type(0) << __first.__ctz_) & (~__storage_type(0) >> (__clz - __dn));
             __storage_type __b = *__first.__seg_ & __m;
@@ -415,7 +398,7 @@ __copy_aligned(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C, _IsConst
         // __first.__ctz_ == 0;
         // do middle words
         __storage_type __nw = __n / __bits_per_word;
-        _VSTD::memmove(__result.__seg_, __first.__seg_, __nw * sizeof(__storage_type));
+        _STD::memmove(__result.__seg_, __first.__seg_, __nw * sizeof(__storage_type));
         __n -= __nw * __bits_per_word;
         __result.__seg_ += __nw;
         // do last word
@@ -448,12 +431,12 @@ __copy_unaligned(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C, _IsCon
         if (__first.__ctz_ != 0)
         {
             unsigned __clz_f = __bits_per_word - __first.__ctz_;
-            difference_type __dn = _VSTD::min(static_cast<difference_type>(__clz_f), __n);
+            difference_type __dn = _STD::min(static_cast<difference_type>(__clz_f), __n);
             __n -= __dn;
             __storage_type __m = (~__storage_type(0) << __first.__ctz_) & (~__storage_type(0) >> (__clz_f - __dn));
             __storage_type __b = *__first.__seg_ & __m;
             unsigned __clz_r = __bits_per_word - __result.__ctz_;
-            __storage_type __ddn = _VSTD::min<__storage_type>(__dn, __clz_r);
+            __storage_type __ddn = _STD::min<__storage_type>(__dn, __clz_r);
             __m = (~__storage_type(0) << __result.__ctz_) & (~__storage_type(0) >> (__clz_r - __ddn));
             *__result.__seg_ &= ~__m;
             if (__result.__ctz_ > __first.__ctz_)
@@ -491,7 +474,7 @@ __copy_unaligned(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C, _IsCon
         {
             __m = ~__storage_type(0) >> (__bits_per_word - __n);
             __storage_type __b = *__first.__seg_ & __m;
-            __storage_type __dn = _VSTD::min(__n, static_cast<difference_type>(__clz_r));
+            __storage_type __dn = _STD::min(__n, static_cast<difference_type>(__clz_r));
             __m = (~__storage_type(0) << __result.__ctz_) & (~__storage_type(0) >> (__clz_r - __dn));
             *__result.__seg_ &= ~__m;
             *__result.__seg_ |= __b << __result.__ctz_;
@@ -537,7 +520,7 @@ __copy_backward_aligned(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C,
         // do first word
         if (__last.__ctz_ != 0)
         {
-            difference_type __dn = _VSTD::min(static_cast<difference_type>(__last.__ctz_), __n);
+            difference_type __dn = _STD::min(static_cast<difference_type>(__last.__ctz_), __n);
             __n -= __dn;
             unsigned __clz = __bits_per_word - __last.__ctz_;
             __storage_type __m = (~__storage_type(0) << (__last.__ctz_ - __dn)) & (~__storage_type(0) >> __clz);
@@ -554,7 +537,7 @@ __copy_backward_aligned(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C,
         __storage_type __nw = __n / __bits_per_word;
         __result.__seg_ -= __nw;
         __last.__seg_ -= __nw;
-        _VSTD::memmove(__result.__seg_, __last.__seg_, __nw * sizeof(__storage_type));
+        _STD::memmove(__result.__seg_, __last.__seg_, __nw * sizeof(__storage_type));
         __n -= __nw * __bits_per_word;
         // do last word
         if (__n > 0)
@@ -584,13 +567,13 @@ __copy_backward_unaligned(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_
         // do first word
         if (__last.__ctz_ != 0)
         {
-            difference_type __dn = _VSTD::min(static_cast<difference_type>(__last.__ctz_), __n);
+            difference_type __dn = _STD::min(static_cast<difference_type>(__last.__ctz_), __n);
             __n -= __dn;
             unsigned __clz_l = __bits_per_word - __last.__ctz_;
             __storage_type __m = (~__storage_type(0) << (__last.__ctz_ - __dn)) & (~__storage_type(0) >> __clz_l);
             __storage_type __b = *__last.__seg_ & __m;
             unsigned __clz_r = __bits_per_word - __result.__ctz_;
-            __storage_type __ddn = _VSTD::min(__dn, static_cast<difference_type>(__result.__ctz_));
+            __storage_type __ddn = _STD::min(__dn, static_cast<difference_type>(__result.__ctz_));
             if (__ddn > 0)
             {
                 __m = (~__storage_type(0) << (__result.__ctz_ - __ddn)) & (~__storage_type(0) >> __clz_r);
@@ -634,7 +617,7 @@ __copy_backward_unaligned(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_
             __m = ~__storage_type(0) << (__bits_per_word - __n);
             __storage_type __b = *--__last.__seg_ & __m;
             unsigned __clz_r = __bits_per_word - __result.__ctz_;
-            __storage_type __dn = _VSTD::min(__n, static_cast<difference_type>(__result.__ctz_));
+            __storage_type __dn = _STD::min(__n, static_cast<difference_type>(__result.__ctz_));
             __m = (~__storage_type(0) << (__result.__ctz_ - __dn)) & (~__storage_type(0) >> __clz_r);
             *__result.__seg_ &= ~__m;
             *__result.__seg_ |= __b >> (__bits_per_word - __result.__ctz_);
@@ -672,7 +655,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 __bit_iterator<_C, false>
 move(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C, _IsConst> __last, __bit_iterator<_C, false> __result)
 {
-    return _VSTD::copy(__first, __last, __result);
+    return _STD::copy(__first, __last, __result);
 }
 
 // move_backward
@@ -682,7 +665,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 __bit_iterator<_C, false>
 move_backward(__bit_iterator<_C, _IsConst> __first, __bit_iterator<_C, _IsConst> __last, __bit_iterator<_C, false> __result)
 {
-    return _VSTD::copy(__first, __last, __result);
+    return _STD::copy(__first, __last, __result);
 }
 
 // swap_ranges
@@ -703,7 +686,7 @@ __swap_ranges_aligned(__bit_iterator<_C1, false> __first, __bit_iterator<_C1, fa
         if (__first.__ctz_ != 0)
         {
             unsigned __clz = __bits_per_word - __first.__ctz_;
-            difference_type __dn = _VSTD::min(static_cast<difference_type>(__clz), __n);
+            difference_type __dn = _STD::min(static_cast<difference_type>(__clz), __n);
             __n -= __dn;
             __storage_type __m = (~__storage_type(0) << __first.__ctz_) & (~__storage_type(0) >> (__clz - __dn));
             __storage_type __b1 = *__first.__seg_ & __m;
@@ -753,13 +736,13 @@ __swap_ranges_unaligned(__bit_iterator<_C1, false> __first, __bit_iterator<_C1,
         if (__first.__ctz_ != 0)
         {
             unsigned __clz_f = __bits_per_word - __first.__ctz_;
-            difference_type __dn = _VSTD::min(static_cast<difference_type>(__clz_f), __n);
+            difference_type __dn = _STD::min(static_cast<difference_type>(__clz_f), __n);
             __n -= __dn;
             __storage_type __m = (~__storage_type(0) << __first.__ctz_) & (~__storage_type(0) >> (__clz_f - __dn));
             __storage_type __b1 = *__first.__seg_ & __m;
             *__first.__seg_ &= ~__m;
             unsigned __clz_r = __bits_per_word - __result.__ctz_;
-            __storage_type __ddn = _VSTD::min<__storage_type>(__dn, __clz_r);
+            __storage_type __ddn = _STD::min<__storage_type>(__dn, __clz_r);
             __m = (~__storage_type(0) << __result.__ctz_) & (~__storage_type(0) >> (__clz_r - __ddn));
             __storage_type __b2 = *__result.__seg_ & __m;
             *__result.__seg_ &= ~__m;
@@ -814,7 +797,7 @@ __swap_ranges_unaligned(__bit_iterator<_C1, false> __first, __bit_iterator<_C1,
             __m = ~__storage_type(0) >> (__bits_per_word - __n);
             __storage_type __b1 = *__first.__seg_ & __m;
             *__first.__seg_ &= ~__m;
-            __storage_type __dn = _VSTD::min<__storage_type>(__n, __clz_r);
+            __storage_type __dn = _STD::min<__storage_type>(__n, __clz_r);
             __m = (~__storage_type(0) << __result.__ctz_) & (~__storage_type(0) >> (__clz_r - __dn));
             __storage_type __b2 = *__result.__seg_ & __m;
             *__result.__seg_ &= ~__m;
@@ -888,13 +871,13 @@ rotate(__bit_iterator<_C, false> __first, __bit_iterator<_C, false> __middle, __
             if (__d1 <= __bit_array<_C>::capacity())
             {
                 __bit_array<_C> __b(__d1);
-                _VSTD::copy(__first, __middle, __b.begin());
-                _VSTD::copy(__b.begin(), __b.end(), _VSTD::copy(__middle, __last, __first));
+                _STD::copy(__first, __middle, __b.begin());
+                _STD::copy(__b.begin(), __b.end(), _STD::copy(__middle, __last, __first));
                 break;
             }
             else
             {
-                __bit_iterator<_C, false> __mp = _VSTD::swap_ranges(__first, __middle, __middle);
+                __bit_iterator<_C, false> __mp = _STD::swap_ranges(__first, __middle, __middle);
                 __first = __middle;
                 __middle = __mp;
                 __d2 -= __d1;
@@ -905,14 +888,14 @@ rotate(__bit_iterator<_C, false> __first, __bit_iterator<_C, false> __middle, __
             if (__d2 <= __bit_array<_C>::capacity())
             {
                 __bit_array<_C> __b(__d2);
-                _VSTD::copy(__middle, __last, __b.begin());
-                _VSTD::copy_backward(__b.begin(), __b.end(), _VSTD::copy_backward(__first, __middle, __last));
+                _STD::copy(__middle, __last, __b.begin());
+                _STD::copy_backward(__b.begin(), __b.end(), _STD::copy_backward(__first, __middle, __last));
                 break;
             }
             else
             {
                 __bit_iterator<_C, false> __mp = __first + __d2;
-                _VSTD::swap_ranges(__first, __mp, __middle);
+                _STD::swap_ranges(__first, __mp, __middle);
                 __first = __mp;
                 __d1 -= __d2;
             }
@@ -939,12 +922,12 @@ __equal_unaligned(__bit_iterator<_C, true> __first1, __bit_iterator<_C, true> __
         if (__first1.__ctz_ != 0)
         {
             unsigned __clz_f = __bits_per_word - __first1.__ctz_;
-            difference_type __dn = _VSTD::min(static_cast<difference_type>(__clz_f), __n);
+            difference_type __dn = _STD::min(static_cast<difference_type>(__clz_f), __n);
             __n -= __dn;
             __storage_type __m = (~__storage_type(0) << __first1.__ctz_) & (~__storage_type(0) >> (__clz_f - __dn));
             __storage_type __b = *__first1.__seg_ & __m;
             unsigned __clz_r = __bits_per_word - __first2.__ctz_;
-            __storage_type __ddn = _VSTD::min<__storage_type>(__dn, __clz_r);
+            __storage_type __ddn = _STD::min<__storage_type>(__dn, __clz_r);
             __m = (~__storage_type(0) << __first2.__ctz_) & (~__storage_type(0) >> (__clz_r - __ddn));
             if (__first2.__ctz_ > __first1.__ctz_)
                 if ((*__first2.__seg_ & __m) != (__b << (__first2.__ctz_ - __first1.__ctz_)))
@@ -983,7 +966,7 @@ __equal_unaligned(__bit_iterator<_C, true> __first1, __bit_iterator<_C, true> __
         {
             __m = ~__storage_type(0) >> (__bits_per_word - __n);
             __storage_type __b = *__first1.__seg_ & __m;
-            __storage_type __dn = _VSTD::min(__n, static_cast<difference_type>(__clz_r));
+            __storage_type __dn = _STD::min(__n, static_cast<difference_type>(__clz_r));
             __m = (~__storage_type(0) << __first2.__ctz_) & (~__storage_type(0) >> (__clz_r - __dn));
             if ((*__first2.__seg_ & __m) != (__b << __first2.__ctz_))
                 return false;
@@ -1017,7 +1000,7 @@ __equal_aligned(__bit_iterator<_C, true> __first1, __bit_iterator<_C, true> __la
         if (__first1.__ctz_ != 0)
         {
             unsigned __clz = __bits_per_word - __first1.__ctz_;
-            difference_type __dn = _VSTD::min(static_cast<difference_type>(__clz), __n);
+            difference_type __dn = _STD::min(static_cast<difference_type>(__clz), __n);
             __n -= __dn;
             __storage_type __m = (~__storage_type(0) << __first1.__ctz_) & (~__storage_type(0) >> (__clz - __dn));
             if ((*__first2.__seg_ & __m) != (*__first1.__seg_ & __m))
@@ -1074,14 +1057,12 @@ private:
     unsigned          __ctz_;
 
 public:
-    _LIBCPP_INLINE_VISIBILITY __bit_iterator() _NOEXCEPT {}
+    _LIBCPP_INLINE_VISIBILITY __bit_iterator() {}
 
-    _LIBCPP_INLINE_VISIBILITY
-    __bit_iterator(const __bit_iterator<_C, false>& __it) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY __bit_iterator(const __bit_iterator<_C, false>& __it)
         : __seg_(__it.__seg_), __ctz_(__it.__ctz_) {}
 
-    _LIBCPP_INLINE_VISIBILITY reference operator*() const _NOEXCEPT
-        {return reference(__seg_, __storage_type(1) << __ctz_);}
+    _LIBCPP_INLINE_VISIBILITY reference operator*() const {return reference(__seg_, __storage_type(1) << __ctz_);}
 
     _LIBCPP_INLINE_VISIBILITY __bit_iterator& operator++()
     {
@@ -1181,8 +1162,7 @@ public:
 
 private:
     _LIBCPP_INLINE_VISIBILITY
-    __bit_iterator(__storage_pointer __s, unsigned __ctz) _NOEXCEPT
-        : __seg_(__s), __ctz_(__ctz) {}
+    __bit_iterator(__storage_pointer __s, unsigned __ctz) : __seg_(__s), __ctz_(__ctz) {}
 
 #if defined(__clang__)
     friend typename _C::__self;

include/__config

@@ -47,11 +47,6 @@
 # endif  // _BYTE_ORDER == _LITTLE_ENDIAN
 #endif  // __FreeBSD__
 
-#ifdef _WIN32
-#  define _LIBCPP_LITTLE_ENDIAN 1
-#  define _LIBCPP_BIG_ENDIAN    0
-#endif  // _WIN32
-
 #if !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
 # include <endian.h>
 # if __BYTE_ORDER == __LITTLE_ENDIAN
@@ -91,9 +86,8 @@
 
 #if defined(__clang__)
 
-#if !__has_feature(cxx_alias_templates)
+#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
 #define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-#endif
 
 #ifndef __GXX_EXPERIMENTAL_CXX0X__
 #ifdef __linux__
@@ -116,10 +110,8 @@ typedef __char32_t char32_t;
 #define _LIBCPP_HAS_NO_DECLTYPE
 #endif
 
-#if __has_feature(cxx_attributes)
-#  define _ATTRIBUTE(x) [[x]]
-#else
-#  define _ATTRIBUTE(x) __attribute__ ((x))
+#if !(__has_feature(cxx_attributes))
+#define _LIBCPP_HAS_NO_ATTRIBUTES
 #endif
 
 #define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
@@ -146,7 +138,6 @@ typedef __char32_t char32_t;
 
 #if !(__has_feature(cxx_auto_type))
 #define _LIBCPP_HAS_NO_AUTO_TYPE
-#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
 #endif
 
 #if !(__has_feature(cxx_variadic_templates))
@@ -157,19 +148,10 @@ typedef __char32_t char32_t;
 #define _LIBCPP_HAS_NO_TRAILING_RETURN
 #endif
 
-// Objective-C++ features (opt-in)
-#if __has_feature(objc_arc)
-#define _LIBCPP_HAS_OBJC_ARC
-#endif
-
-#if __has_feature(objc_arc_weak)
-#define _LIBCPP_HAS_OBJC_ARC_WEAK
-#endif
-
 // Inline namespaces are available in Clang regardless of C++ dialect.
 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
 #define _LIBCPP_END_NAMESPACE_STD  } }
-#define _VSTD std::_LIBCPP_NAMESPACE
+#define _STD std::_LIBCPP_NAMESPACE
 
 namespace std {
   inline namespace _LIBCPP_NAMESPACE {
@@ -180,20 +162,10 @@ namespace std {
 #define _LIBCPP_HAS_NO_CONSTEXPR
 #endif
 
-#if (__has_feature(cxx_noexcept))
-#  define _NOEXCEPT noexcept
-#  define _NOEXCEPT_(x) noexcept(x)
-#else
-#  define _NOEXCEPT throw()
-#  define _NOEXCEPT_(x)
-#endif
-
 // end defined(__clang__)
 
 #elif defined(__GNUC__)
 
-#define _ATTRIBUTE(x) __attribute__((x))
-
 #if !__EXCEPTIONS
 #define _LIBCPP_NO_EXCEPTIONS
 #endif
@@ -201,9 +173,6 @@ namespace std {
 #define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
 #define _LIBCPP_HAS_NO_CONSTEXPR
 
-#define _NOEXCEPT throw()
-#define _NOEXCEPT_(x)
-
 #ifndef __GXX_EXPERIMENTAL_CXX0X__
 
 #define _LIBCPP_HAS_NO_ADVANCED_SFINAE
@@ -215,12 +184,10 @@ namespace std {
 #define _LIBCPP_HAS_NO_UNICODE_CHARS
 #define _LIBCPP_HAS_NO_VARIADICS
 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES
-#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
 
 #else  // __GXX_EXPERIMENTAL_CXX0X__
 
 #define _LIBCPP_HAS_NO_TRAILING_RETURN
-#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
 
 #if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 3)
 #define _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -240,6 +207,7 @@ namespace std {
 #endif  // !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 4)
 
 #if !(__GNUC__ >= 4 && __GNUC_MINOR__ >= 6)
+#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
 #define _LIBCPP_HAS_NO_NULLPTR
 #endif
 
@@ -247,7 +215,7 @@ namespace std {
 
 #define _LIBCPP_BEGIN_NAMESPACE_STD namespace std { namespace _LIBCPP_NAMESPACE {
 #define _LIBCPP_END_NAMESPACE_STD  } }
-#define _VSTD std::_LIBCPP_NAMESPACE
+#define _STD std::_LIBCPP_NAMESPACE
 
 namespace std {
 namespace _LIBCPP_NAMESPACE {
@@ -285,12 +253,4 @@ template <unsigned> struct __static_assert_check {};
 #define __has_feature(__x) 0
 #endif
 
-#ifdef __APPLE__
-#define _LIBCPP_STABLE_APPLE_ABI
-#endif
-
-#ifdef __APPLE__
-#define _LIBCPP_WCTYPE_IS_MASK
-#endif
-
 #endif  // _LIBCPP_CONFIG

include/__functional_03

@@ -314,8 +314,8 @@ class __func<_F, _Alloc, _R()>
 {
     __compressed_pair<_F, _Alloc> __f_;
 public:
-    explicit __func(_F __f) : __f_(_VSTD::move(__f)) {}
-    explicit __func(_F __f, _Alloc __a) : __f_(_VSTD::move(__f), _VSTD::move(__a)) {}
+    explicit __func(_F __f) : __f_(_STD::move(__f)) {}
+    explicit __func(_F __f, _Alloc __a) : __f_(_STD::move(__f), _STD::move(__a)) {}
     virtual __base<_R()>* __clone() const;
     virtual void __clone(__base<_R()>*) const;
     virtual void destroy();
@@ -396,9 +396,9 @@ class __func<_F, _Alloc, _R(_A0)>
 {
     __compressed_pair<_F, _Alloc> __f_;
 public:
-    _LIBCPP_INLINE_VISIBILITY explicit __func(_F __f) : __f_(_VSTD::move(__f)) {}
+    _LIBCPP_INLINE_VISIBILITY explicit __func(_F __f) : __f_(_STD::move(__f)) {}
     _LIBCPP_INLINE_VISIBILITY explicit __func(_F __f, _Alloc __a)
-        : __f_(_VSTD::move(__f), _VSTD::move(__a)) {}
+        : __f_(_STD::move(__f), _STD::move(__a)) {}
     virtual __base<_R(_A0)>* __clone() const;
     virtual void __clone(__base<_R(_A0)>*) const;
     virtual void destroy();
@@ -479,9 +479,9 @@ class __func<_F, _Alloc, _R(_A0, _A1)>
 {
     __compressed_pair<_F, _Alloc> __f_;
 public:
-    _LIBCPP_INLINE_VISIBILITY explicit __func(_F __f) : __f_(_VSTD::move(__f)) {}
+    _LIBCPP_INLINE_VISIBILITY explicit __func(_F __f) : __f_(_STD::move(__f)) {}
     _LIBCPP_INLINE_VISIBILITY explicit __func(_F __f, _Alloc __a)
-        : __f_(_VSTD::move(__f), _VSTD::move(__a)) {}
+        : __f_(_STD::move(__f), _STD::move(__a)) {}
     virtual __base<_R(_A0, _A1)>* __clone() const;
     virtual void __clone(__base<_R(_A0, _A1)>*) const;
     virtual void destroy();
@@ -562,9 +562,9 @@ class __func<_F, _Alloc, _R(_A0, _A1, _A2)>
 {
     __compressed_pair<_F, _Alloc> __f_;
 public:
-    _LIBCPP_INLINE_VISIBILITY explicit __func(_F __f) : __f_(_VSTD::move(__f)) {}
+    _LIBCPP_INLINE_VISIBILITY explicit __func(_F __f) : __f_(_STD::move(__f)) {}
     _LIBCPP_INLINE_VISIBILITY explicit __func(_F __f, _Alloc __a)
-        : __f_(_VSTD::move(__f), _VSTD::move(__a)) {}
+        : __f_(_STD::move(__f), _STD::move(__a)) {}
     virtual __base<_R(_A0, _A1, _A2)>* __clone() const;
     virtual void __clone(__base<_R(_A0, _A1, _A2)>*) const;
     virtual void destroy();
@@ -831,7 +831,7 @@ typename enable_if
 >::type
 function<_R()>::operator=(_F __f)
 {
-    function(_VSTD::move(__f)).swap(*this);
+    function(_STD::move(__f)).swap(*this);
     return *this;
 }
 
@@ -878,7 +878,7 @@ function<_R()>::swap(function& __f)
         __f_ = (__base*)&__buf_;
     }
     else
-        _VSTD::swap(__f_, __f.__f_);
+        _STD::swap(__f_, __f.__f_);
 }
 
 template<class _R>
@@ -1133,7 +1133,7 @@ typename enable_if
 >::type
 function<_R(_A0)>::operator=(_F __f)
 {
-    function(_VSTD::move(__f)).swap(*this);
+    function(_STD::move(__f)).swap(*this);
     return *this;
 }
 
@@ -1180,7 +1180,7 @@ function<_R(_A0)>::swap(function& __f)
         __f_ = (__base*)&__buf_;
     }
     else
-        _VSTD::swap(__f_, __f.__f_);
+        _STD::swap(__f_, __f.__f_);
 }
 
 template<class _R, class _A0>
@@ -1435,7 +1435,7 @@ typename enable_if
 >::type
 function<_R(_A0, _A1)>::operator=(_F __f)
 {
-    function(_VSTD::move(__f)).swap(*this);
+    function(_STD::move(__f)).swap(*this);
     return *this;
 }
 
@@ -1482,7 +1482,7 @@ function<_R(_A0, _A1)>::swap(function& __f)
         __f_ = (__base*)&__buf_;
     }
     else
-        _VSTD::swap(__f_, __f.__f_);
+        _STD::swap(__f_, __f.__f_);
 }
 
 template<class _R, class _A0, class _A1>
@@ -1737,7 +1737,7 @@ typename enable_if
 >::type
 function<_R(_A0, _A1, _A2)>::operator=(_F __f)
 {
-    function(_VSTD::move(__f)).swap(*this);
+    function(_STD::move(__f)).swap(*this);
     return *this;
 }
 
@@ -1784,7 +1784,7 @@ function<_R(_A0, _A1, _A2)>::swap(function& __f)
         __f_ = (__base*)&__buf_;
     }
     else
-        _VSTD::swap(__f_, __f.__f_);
+        _STD::swap(__f_, __f.__f_);
 }
 
 template<class _R, class _A0, class _A1, class _A2>
@@ -1909,7 +1909,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 typename __mu_return1<true, _Ti, _Uj...>::type
 __mu_expand(_Ti& __ti, tuple<_Uj...>&& __uj, __tuple_indices<_Indx...>)
 {
-    __ti(_VSTD::forward<typename tuple_element<_Indx, _Uj>::type>(get<_Indx>(__uj))...);
+    __ti(_STD::forward<typename tuple_element<_Indx, _Uj>::type>(get<_Indx>(__uj))...);
 }
 
 template <class _Ti, class ..._Uj>
@@ -1947,7 +1947,7 @@ __mu(_Ti&, _Uj& __uj)
     // compiler bug workaround
     typename tuple_element<_Indx, _Uj>::type __t = get<_Indx>(__uj);
     return __t;
-//    return _VSTD::forward<typename tuple_element<_Indx, _Uj>::type>(get<_Indx>(__uj));
+//    return _STD::forward<typename tuple_element<_Indx, _Uj>::type>(get<_Indx>(__uj));
 }
 
 template <class _Ti, class _Uj>
@@ -2051,8 +2051,8 @@ class __bind
 public:
     template <class _G, class ..._BA>
       explicit __bind(_G&& __f, _BA&& ...__bound_args)
-        : __f_(_VSTD::forward<_G>(__f)),
-          __bound_args_(_VSTD::forward<_BA>(__bound_args)...) {}
+        : __f_(_STD::forward<_G>(__f)),
+          __bound_args_(_STD::forward<_BA>(__bound_args)...) {}
 
     template <class ..._Args>
         typename __bind_return<_F, tuple<_BoundArgs...>, tuple<_Args&&...> >::type
@@ -2085,21 +2085,21 @@ public:
 
     template <class _G, class ..._BA>
       explicit __bind_r(_G&& __f, _BA&& ...__bound_args)
-        : base(_VSTD::forward<_G>(__f),
-               _VSTD::forward<_BA>(__bound_args)...) {}
+        : base(_STD::forward<_G>(__f),
+               _STD::forward<_BA>(__bound_args)...) {}
 
     template <class ..._Args>
         result_type
         operator()(_Args&& ...__args)
         {
-            return base::operator()(_VSTD::forward<_Args>(__args)...);
+            return base::operator()(_STD::forward<_Args>(__args)...);
         }
 
     template <class ..._Args>
         result_type
         operator()(_Args&& ...__args) const
         {
-            return base::operator()(_VSTD::forward<_Args>(__args)...);
+            return base::operator()(_STD::forward<_Args>(__args)...);
         }
 };
 
@@ -2112,7 +2112,7 @@ __bind<typename decay<_F>::type, typename decay<_BoundArgs>::type...>
 bind(_F&& __f, _BoundArgs&&... __bound_args)
 {
     typedef __bind<typename decay<_F>::type, typename decay<_BoundArgs>::type...> type;
-    return type(_VSTD::forward<_F>(__f), _VSTD::forward<_BoundArgs>(__bound_args)...);
+    return type(_STD::forward<_F>(__f), _STD::forward<_BoundArgs>(__bound_args)...);
 }
 
 template<class _R, class _F, class ..._BoundArgs>
@@ -2121,7 +2121,7 @@ __bind_r<_R, typename decay<_F>::type, typename decay<_BoundArgs>::type...>
 bind(_F&& __f, _BoundArgs&&... __bound_args)
 {
     typedef __bind_r<_R, typename decay<_F>::type, typename decay<_BoundArgs>::type...> type;
-    return type(_VSTD::forward<_F>(__f), _VSTD::forward<_BoundArgs>(__bound_args)...);
+    return type(_STD::forward<_F>(__f), _STD::forward<_BoundArgs>(__bound_args)...);
 }
 */
 

include/__functional_base

@@ -281,61 +281,167 @@ struct __weak_result_type<_R (_C::*)(_A1, _A2, _A3...) const volatile>
 
 // __invoke
 
-// bullets 1 and 2
+// first bullet
 
-template <class _F, class _A0, class ..._Args>
+template <class _R, class _T, class _T1, class ..._Param, class ..._Arg>
 inline _LIBCPP_INLINE_VISIBILITY
-auto
-__invoke(_F&& __f, _A0&& __a0, _Args&& ...__args)
-    -> decltype((_VSTD::forward<_A0>(__a0).*__f)(_VSTD::forward<_Args>(__args)...))
+typename enable_if
+<
+    sizeof...(_Param) == sizeof...(_Arg) &&
+    is_base_of<_T, typename remove_reference<_T1>::type>::value,
+    _R
+>::type
+__invoke(_R (_T::*__f)(_Param...), _T1&& __t1, _Arg&& ...__arg)
 {
-    return (_VSTD::forward<_A0>(__a0).*__f)(_VSTD::forward<_Args>(__args)...);
+    return (_STD::forward<_T>(__t1).*__f)(_STD::forward<_Arg>(__arg)...);
 }
 
-template <class _F, class _A0, class ..._Args>
+template <class _R, class _T, class _T1, class ..._Param, class ..._Arg>
 inline _LIBCPP_INLINE_VISIBILITY
-auto
-__invoke(_F&& __f, _A0&& __a0, _Args&& ...__args)
-    -> decltype(((*_VSTD::forward<_A0>(__a0)).*__f)(_VSTD::forward<_Args>(__args)...))
+typename enable_if
+<
+    sizeof...(_Param) == sizeof...(_Arg) &&
+    is_base_of<_T, typename remove_reference<_T1>::type>::value,
+    _R
+>::type
+__invoke(_R (_T::*__f)(_Param...) const, _T1&& __t1, _Arg&& ...__arg)
 {
-    return ((*_VSTD::forward<_A0>(__a0)).*__f)(_VSTD::forward<_Args>(__args)...);
+    return (_STD::forward<const _T>(__t1).*__f)(_STD::forward<_Arg>(__arg)...);
 }
 
-// bullets 3 and 4
-
-template <class _F, class _A0>
+template <class _R, class _T, class _T1, class ..._Param, class ..._Arg>
 inline _LIBCPP_INLINE_VISIBILITY
-auto
-__invoke(_F&& __f, _A0&& __a0)
-    -> decltype(_VSTD::forward<_A0>(__a0).*__f)
+typename enable_if
+<
+    sizeof...(_Param) == sizeof...(_Arg) &&
+    is_base_of<_T, typename remove_reference<_T1>::type>::value,
+    _R
+>::type
+__invoke(_R (_T::*__f)(_Param...) volatile, _T1&& __t1, _Arg&& ...__arg)
 {
-    return _VSTD::forward<_A0>(__a0).*__f;
+    return (_STD::forward<volatile _T>(__t1).*__f)(_STD::forward<_Arg>(__arg)...);
 }
 
-template <class _F, class _A0>
+template <class _R, class _T, class _T1, class ..._Param, class ..._Arg>
 inline _LIBCPP_INLINE_VISIBILITY
-auto
-__invoke(_F&& __f, _A0&& __a0)
-    -> decltype((*_VSTD::forward<_A0>(__a0)).*__f)
+typename enable_if
+<
+    sizeof...(_Param) == sizeof...(_Arg) &&
+    is_base_of<_T, typename remove_reference<_T1>::type>::value,
+    _R
+>::type
+__invoke(_R (_T::*__f)(_Param...) const volatile, _T1&& __t1, _Arg&& ...__arg)
 {
-    return (*_VSTD::forward<_A0>(__a0)).*__f;
+    return (_STD::forward<const volatile _T>(__t1).*__f)(_STD::forward<_Arg>(__arg)...);
 }
 
-// bullet 5
+// second bullet
 
-template <class _F, class ..._Args>
+template <class _R, class _T, class _T1, class ..._Param, class ..._Arg>
 inline _LIBCPP_INLINE_VISIBILITY
-auto
-__invoke(_F&& __f, _Args&& ...__args)
-    -> decltype(_VSTD::forward<_F>(__f)(_VSTD::forward<_Args>(__args)...))
+typename enable_if
+<
+    sizeof...(_Param) == sizeof...(_Arg) &&
+    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
+    _R
+>::type
+__invoke(_R (_T::*__f)(_Param...), _T1&& __t1, _Arg&& ...__arg)
 {
-    return _VSTD::forward<_F>(__f)(_VSTD::forward<_Args>(__args)...);
+    return ((*_STD::forward<_T1>(__t1)).*__f)(_STD::forward<_Arg>(__arg)...);
+}
+
+template <class _R, class _T, class _T1, class ..._Param, class ..._Arg>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if
+<
+    sizeof...(_Param) == sizeof...(_Arg) &&
+    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
+    _R
+>::type
+__invoke(_R (_T::*__f)(_Param...) const, _T1&& __t1, _Arg&& ...__arg)
+{
+    return ((*_STD::forward<_T1>(__t1)).*__f)(_STD::forward<_Arg>(__arg)...);
+}
+
+template <class _R, class _T, class _T1, class ..._Param, class ..._Arg>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if
+<
+    sizeof...(_Param) == sizeof...(_Arg) &&
+    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
+    _R
+>::type
+__invoke(_R (_T::*__f)(_Param...) volatile, _T1&& __t1, _Arg&& ...__arg)
+{
+    return ((*_STD::forward<_T1>(__t1)).*__f)(_STD::forward<_Arg>(__arg)...);
+}
+
+template <class _R, class _T, class _T1, class ..._Param, class ..._Arg>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if
+<
+    sizeof...(_Param) == sizeof...(_Arg) &&
+    !is_base_of<_T, typename remove_reference<_T1>::type>::value,
+    _R
+>::type
+__invoke(_R (_T::*__f)(_Param...) const volatile, _T1&& __t1, _Arg&& ...__arg)
+{
+    return ((*_STD::forward<_T1>(__t1)).*__f)(_STD::forward<_Arg>(__arg)...);
+}
+
+// third bullet
+
+template <class _R, class _T, class _T1>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if
+<
+    is_base_of<_T, typename remove_reference<_T1>::type>::value,
+    typename __apply_cv<_T1, _R>::type&&
+>::type
+__invoke(_R _T::* __f, _T1&& __t1)
+{
+    return _STD::forward<_T1>(__t1).*__f;
+}
+
+// forth bullet
+
+template <class _T1, class _R, bool>
+struct __4th_helper
+{
+};
+
+template <class _T1, class _R>
+struct __4th_helper<_T1, _R, true>
+{
+    typedef typename __apply_cv<decltype(*_STD::declval<_T1>()), _R>::type type;
+};
+
+template <class _R, class _T, class _T1>
+inline _LIBCPP_INLINE_VISIBILITY
+typename __4th_helper<_T1, _R,
+                      !is_base_of<_T,
+                                  typename remove_reference<_T1>::type
+                                 >::value
+                     >::type&&
+__invoke(_R _T::* __f, _T1&& __t1)
+{
+    return (*_STD::forward<_T1>(__t1)).*__f;
+}
+
+// fifth bullet
+
+template <class _F, class ..._T>
+inline _LIBCPP_INLINE_VISIBILITY
+typename result_of<_F(_T...)>::type
+__invoke(_F&& __f, _T&& ...__t)
+{
+    return _STD::forward<_F>(__f)(_STD::forward<_T>(__t)...);
 }
 
 template <class _Tp, class ..._Args>
 struct __invoke_return
 {
-    typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_Args>()...)) type;
+    typedef decltype(__invoke(_STD::declval<_Tp>(), _STD::declval<_Args>()...)) type;
 };
 
 template <class _Tp>
@@ -350,22 +456,22 @@ private:
 
 public:
     // construct/copy/destroy
-    _LIBCPP_INLINE_VISIBILITY reference_wrapper(type& __f) _NOEXCEPT : __f_(&__f) {}
+    _LIBCPP_INLINE_VISIBILITY reference_wrapper(type& __f) : __f_(&__f) {}
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     private: reference_wrapper(type&&); public: // = delete; // do not bind to temps
 #endif
 
     // access
-    _LIBCPP_INLINE_VISIBILITY operator type&    () const _NOEXCEPT {return *__f_;}
-    _LIBCPP_INLINE_VISIBILITY          type& get() const _NOEXCEPT {return *__f_;}
+    _LIBCPP_INLINE_VISIBILITY operator type&    () const {return *__f_;}
+    _LIBCPP_INLINE_VISIBILITY          type& get() const {return *__f_;}
 
     // invoke
     template <class... _ArgTypes>
        _LIBCPP_INLINE_VISIBILITY
-       typename __invoke_of<type&, _ArgTypes...>::type
+       typename __invoke_return<type&, _ArgTypes...>::type
           operator() (_ArgTypes&&... __args) const
           {
-              return __invoke(get(), _VSTD::forward<_ArgTypes>(__args)...);
+              return __invoke(get(), _STD::forward<_ArgTypes>(__args)...);
           }
 };
 
@@ -377,7 +483,7 @@ template <class _Tp> struct __is_reference_wrapper
 template <class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
 reference_wrapper<_Tp>
-ref(_Tp& __t) _NOEXCEPT
+ref(_Tp& __t)
 {
     return reference_wrapper<_Tp>(__t);
 }
@@ -385,7 +491,7 @@ ref(_Tp& __t) _NOEXCEPT
 template <class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
 reference_wrapper<_Tp>
-ref(reference_wrapper<_Tp> __t) _NOEXCEPT
+ref(reference_wrapper<_Tp> __t)
 {
     return ref(__t.get());
 }
@@ -393,7 +499,7 @@ ref(reference_wrapper<_Tp> __t) _NOEXCEPT
 template <class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
 reference_wrapper<const _Tp>
-cref(const _Tp& __t) _NOEXCEPT
+cref(const _Tp& __t)
 {
     return reference_wrapper<const _Tp>(__t);
 }
@@ -401,7 +507,7 @@ cref(const _Tp& __t) _NOEXCEPT
 template <class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
 reference_wrapper<const _Tp>
-cref(reference_wrapper<_Tp> __t) _NOEXCEPT
+cref(reference_wrapper<_Tp> __t)
 {
     return cref(__t.get());
 }

include/__functional_base_03

@@ -842,7 +842,7 @@ struct __4th_helper
 template <class _T1, class _R>
 struct __4th_helper<_T1, _R, true>
 {
-    typedef typename __apply_cv<decltype(*_VSTD::declval<_T1>()), _R>::type type;
+    typedef typename __apply_cv<decltype(*_STD::declval<_T1>()), _R>::type type;
 };
 
 template <class _R, class _T, class _T1>
@@ -959,13 +959,13 @@ struct __invoke_return
 template <class _F>
 struct __invoke_return<_F, false>
 {
-    typedef decltype(__invoke(_VSTD::declval<_F>())) type;
+    typedef decltype(__invoke(_STD::declval<_F>())) type;
 };
 
 template <class _Tp, class _A0>
 struct __invoke_return0
 {
-    typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>())) type;
+    typedef decltype(__invoke(_STD::declval<_Tp>(), _STD::declval<_A0>())) type;
 };
 
 template <class _R, class _T, class _A0>
@@ -983,16 +983,16 @@ struct __invoke_return0<_R _T::*, _A0*>
 template <class _Tp, class _A0, class _A1>
 struct __invoke_return1
 {
-    typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>(),
-                                                    _VSTD::declval<_A1>())) type;
+    typedef decltype(__invoke(_STD::declval<_Tp>(), _STD::declval<_A0>(),
+                                                    _STD::declval<_A1>())) type;
 };
 
 template <class _Tp, class _A0, class _A1, class _A2>
 struct __invoke_return2
 {
-    typedef decltype(__invoke(_VSTD::declval<_Tp>(), _VSTD::declval<_A0>(),
-                                                    _VSTD::declval<_A1>(),
-                                                    _VSTD::declval<_A2>())) type;
+    typedef decltype(__invoke(_STD::declval<_Tp>(), _STD::declval<_A0>(),
+                                                    _STD::declval<_A1>(),
+                                                    _STD::declval<_A2>())) type;
 };
 
 template <class _Tp>

include/__hash_table

@@ -23,7 +23,7 @@
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 _LIBCPP_VISIBLE
-size_t __next_prime(size_t __n);
+size_t __next_prime(size_t);
 
 template <class _NodePtr>
 struct __hash_node_base
@@ -33,7 +33,7 @@ struct __hash_node_base
 
     _NodePtr    __next_;
 
-    _LIBCPP_INLINE_VISIBILITY __hash_node_base() _NOEXCEPT : __next_(nullptr) {}
+    _LIBCPP_INLINE_VISIBILITY __hash_node_base() : __next_(nullptr) {}
 };
 
 template <class _Tp, class _VoidPtr>
@@ -54,12 +54,11 @@ struct __hash_node
     value_type __value_;
 };
 
-template <class _Tp, class _Hash, class _Equal, class _Alloc> class __hash_table;
-template <class _ConstNodePtr> class __hash_const_iterator;
-template <class _HashIterator> class __hash_map_iterator;
-template <class _HashIterator> class __hash_map_const_iterator;
-template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
-    class _LIBCPP_VISIBLE unordered_map;
+template <class, class, class, class> class __hash_table;
+template <class> class __hash_const_iterator;
+template <class> class __hash_map_iterator;
+template <class> class __hash_map_const_iterator;
+template <class, class, class, class, class> class _LIBCPP_VISIBLE unordered_map;
 
 template <class _NodePtr>
 class _LIBCPP_VISIBLE __hash_iterator
@@ -81,12 +80,12 @@ public:
 #endif
                                                          pointer;
 
-    _LIBCPP_INLINE_VISIBILITY __hash_iterator() _NOEXCEPT {}
+    _LIBCPP_INLINE_VISIBILITY __hash_iterator() {}
 
     _LIBCPP_INLINE_VISIBILITY
         reference operator*() const {return __node_->__value_;}
     _LIBCPP_INLINE_VISIBILITY
-        pointer operator->() const {return _VSTD::addressof(__node_->__value_);}
+        pointer operator->() const {return _STD::addressof(__node_->__value_);}
 
     _LIBCPP_INLINE_VISIBILITY
     __hash_iterator& operator++()
@@ -112,7 +111,7 @@ public:
 
 private:
     _LIBCPP_INLINE_VISIBILITY
-    __hash_iterator(__node_pointer __node) _NOEXCEPT
+    __hash_iterator(__node_pointer __node)
         : __node_(__node)
         {}
 
@@ -155,16 +154,16 @@ public:
                                                       __non_const_node_pointer;
     typedef __hash_iterator<__non_const_node_pointer> __non_const_iterator;
 
-    _LIBCPP_INLINE_VISIBILITY __hash_const_iterator() _NOEXCEPT {}
+    _LIBCPP_INLINE_VISIBILITY __hash_const_iterator() {}
     _LIBCPP_INLINE_VISIBILITY 
-    __hash_const_iterator(const __non_const_iterator& __x) _NOEXCEPT
+    __hash_const_iterator(const __non_const_iterator& __x)
         : __node_(__x.__node_)
         {}
 
     _LIBCPP_INLINE_VISIBILITY
         reference operator*() const {return __node_->__value_;}
     _LIBCPP_INLINE_VISIBILITY
-        pointer operator->() const {return _VSTD::addressof(__node_->__value_);}
+        pointer operator->() const {return _STD::addressof(__node_->__value_);}
 
     _LIBCPP_INLINE_VISIBILITY
     __hash_const_iterator& operator++()
@@ -190,7 +189,7 @@ public:
 
 private:
     _LIBCPP_INLINE_VISIBILITY
-    __hash_const_iterator(__node_pointer __node) _NOEXCEPT
+    __hash_const_iterator(__node_pointer __node)
         : __node_(__node)
         {}
 
@@ -200,7 +199,7 @@ private:
     template <class, class, class, class, class> friend class _LIBCPP_VISIBLE unordered_multimap;
 };
 
-template <class _ConstNodePtr> class _LIBCPP_VISIBLE __hash_const_local_iterator;
+template <class> class _LIBCPP_VISIBLE __hash_const_local_iterator;
 
 template <class _NodePtr>
 class _LIBCPP_VISIBLE __hash_local_iterator
@@ -225,7 +224,7 @@ public:
 #endif
                                                                 pointer;
 
-    _LIBCPP_INLINE_VISIBILITY __hash_local_iterator() _NOEXCEPT {}
+    _LIBCPP_INLINE_VISIBILITY __hash_local_iterator() {}
 
     _LIBCPP_INLINE_VISIBILITY
         reference operator*() const {return __node_->__value_;}
@@ -259,7 +258,7 @@ public:
 private:
     _LIBCPP_INLINE_VISIBILITY
     __hash_local_iterator(__node_pointer __node, size_t __bucket,
-                          size_t __bucket_count) _NOEXCEPT
+                          size_t __bucket_count)
         : __node_(__node),
           __bucket_(__bucket),
           __bucket_count_(__bucket_count)
@@ -309,9 +308,9 @@ public:
 #endif
                                                        pointer;
 
-    _LIBCPP_INLINE_VISIBILITY __hash_const_local_iterator() _NOEXCEPT {}
+    _LIBCPP_INLINE_VISIBILITY __hash_const_local_iterator() {}
     _LIBCPP_INLINE_VISIBILITY
-    __hash_const_local_iterator(const __non_const_iterator& __x) _NOEXCEPT
+    __hash_const_local_iterator(const __non_const_iterator& __x)
         : __node_(__x.__node_),
           __bucket_(__x.__bucket_),
           __bucket_count_(__x.__bucket_count_)
@@ -349,7 +348,7 @@ public:
 private:
     _LIBCPP_INLINE_VISIBILITY
     __hash_const_local_iterator(__node_pointer __node, size_t __bucket,
-                                size_t __bucket_count) _NOEXCEPT
+                                size_t __bucket_count)
         : __node_(__node),
           __bucket_(__bucket),
           __bucket_count_(__bucket_count)
@@ -375,44 +374,37 @@ public:
 
     _LIBCPP_INLINE_VISIBILITY
     __bucket_list_deallocator()
-        _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value)
         : __data_(0) {}
 
     _LIBCPP_INLINE_VISIBILITY
     __bucket_list_deallocator(const allocator_type& __a, size_type __size)
-        _NOEXCEPT_(is_nothrow_copy_constructible<allocator_type>::value)
         : __data_(__size, __a) {}
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     _LIBCPP_INLINE_VISIBILITY
     __bucket_list_deallocator(__bucket_list_deallocator&& __x)
-        _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value)
-        : __data_(_VSTD::move(__x.__data_))
+        : __data_(_STD::move(__x.__data_))
     {
         __x.size() = 0;
     }
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
-    _LIBCPP_INLINE_VISIBILITY
-    size_type& size() _NOEXCEPT {return __data_.first();}
-    _LIBCPP_INLINE_VISIBILITY
-    size_type  size() const _NOEXCEPT {return __data_.first();}
+    _LIBCPP_INLINE_VISIBILITY size_type& size()       {return __data_.first();}
+    _LIBCPP_INLINE_VISIBILITY size_type  size() const {return __data_.first();}
+
+    _LIBCPP_INLINE_VISIBILITY allocator_type&       __alloc()       {return __data_.second();}
+    _LIBCPP_INLINE_VISIBILITY const allocator_type& __alloc() const {return __data_.second();}
 
     _LIBCPP_INLINE_VISIBILITY
-    allocator_type& __alloc() _NOEXCEPT {return __data_.second();}
-    _LIBCPP_INLINE_VISIBILITY
-    const allocator_type& __alloc() const _NOEXCEPT {return __data_.second();}
-
-    _LIBCPP_INLINE_VISIBILITY
-    void operator()(pointer __p) _NOEXCEPT
+    void operator()(pointer __p)
     {
         __alloc_traits::deallocate(__alloc(), __p, size());
     }
 };
 
-template <class _Alloc> class __hash_map_node_destructor;
+template <class> class __hash_map_node_destructor;
 
 template <class _Alloc>
 class __hash_node_destructor
@@ -432,16 +424,16 @@ public:
     bool __value_constructed;
 
     _LIBCPP_INLINE_VISIBILITY
-    explicit __hash_node_destructor(allocator_type& __na) _NOEXCEPT
+    explicit __hash_node_destructor(allocator_type& __na)
         : __na_(__na),
           __value_constructed(false)
         {}
 
     _LIBCPP_INLINE_VISIBILITY
-    void operator()(pointer __p) _NOEXCEPT
+    void operator()(pointer __p)
     {
         if (__value_constructed)
-            __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_));
+            __alloc_traits::destroy(__na_, _STD::addressof(__p->__value_));
         if (__p)
             __alloc_traits::deallocate(__na_, __p, 1);
     }
@@ -503,32 +495,21 @@ private:
     __compressed_pair<float, key_equal>               __p3_;
     // --- Member data end ---
 
-    _LIBCPP_INLINE_VISIBILITY
-    size_type& size() _NOEXCEPT {return __p2_.first();}
+    _LIBCPP_INLINE_VISIBILITY size_type& size()       {return __p2_.first();}
 public:
-    _LIBCPP_INLINE_VISIBILITY
-    size_type  size() const _NOEXCEPT {return __p2_.first();}
+    _LIBCPP_INLINE_VISIBILITY size_type  size() const {return __p2_.first();}
 
-    _LIBCPP_INLINE_VISIBILITY
-    hasher& hash_function() _NOEXCEPT {return __p2_.second();}
-    _LIBCPP_INLINE_VISIBILITY
-    const hasher& hash_function() const _NOEXCEPT {return __p2_.second();}
+    _LIBCPP_INLINE_VISIBILITY       hasher& hash_function()       {return __p2_.second();}
+    _LIBCPP_INLINE_VISIBILITY const hasher& hash_function() const {return __p2_.second();}
 
-    _LIBCPP_INLINE_VISIBILITY
-    float& max_load_factor() _NOEXCEPT {return __p3_.first();}
-    _LIBCPP_INLINE_VISIBILITY
-    float  max_load_factor() const _NOEXCEPT {return __p3_.first();}
+    _LIBCPP_INLINE_VISIBILITY float& max_load_factor()       {return __p3_.first();}
+    _LIBCPP_INLINE_VISIBILITY float  max_load_factor() const {return __p3_.first();}
 
-    _LIBCPP_INLINE_VISIBILITY
-    key_equal& key_eq() _NOEXCEPT {return __p3_.second();}
-    _LIBCPP_INLINE_VISIBILITY
-    const key_equal& key_eq() const _NOEXCEPT {return __p3_.second();}
+    _LIBCPP_INLINE_VISIBILITY       key_equal& key_eq()       {return __p3_.second();}
+    _LIBCPP_INLINE_VISIBILITY const key_equal& key_eq() const {return __p3_.second();}
 
-    _LIBCPP_INLINE_VISIBILITY
-    __node_allocator& __node_alloc() _NOEXCEPT {return __p1_.second();}
-    _LIBCPP_INLINE_VISIBILITY
-    const __node_allocator& __node_alloc() const _NOEXCEPT
-        {return __p1_.second();}
+    _LIBCPP_INLINE_VISIBILITY __node_allocator&       __node_alloc()       {return __p1_.second();}
+    _LIBCPP_INLINE_VISIBILITY const __node_allocator& __node_alloc() const {return __p1_.second();}
 
 public:
     typedef __hash_iterator<__node_pointer>                   iterator;
@@ -536,13 +517,7 @@ public:
     typedef __hash_local_iterator<__node_pointer>             local_iterator;
     typedef __hash_const_local_iterator<__node_const_pointer> const_local_iterator;
 
-    __hash_table()
-        _NOEXCEPT_(
-            is_nothrow_default_constructible<__bucket_list>::value &&
-            is_nothrow_default_constructible<__first_node>::value &&
-            is_nothrow_default_constructible<__node_allocator>::value &&
-            is_nothrow_default_constructible<hasher>::value &&
-            is_nothrow_default_constructible<key_equal>::value);
+    __hash_table();
     __hash_table(const hasher& __hf, const key_equal& __eql);
     __hash_table(const hasher& __hf, const key_equal& __eql,
                  const allocator_type& __a);
@@ -550,25 +525,14 @@ public:
     __hash_table(const __hash_table& __u);
     __hash_table(const __hash_table& __u, const allocator_type& __a);
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    __hash_table(__hash_table&& __u)
-        _NOEXCEPT_(
-            is_nothrow_move_constructible<__bucket_list>::value &&
-            is_nothrow_move_constructible<__first_node>::value &&
-            is_nothrow_move_constructible<__node_allocator>::value &&
-            is_nothrow_move_constructible<hasher>::value &&
-            is_nothrow_move_constructible<key_equal>::value);
+    __hash_table(__hash_table&& __u);
     __hash_table(__hash_table&& __u, const allocator_type& __a);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     ~__hash_table();
 
     __hash_table& operator=(const __hash_table& __u);
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    __hash_table& operator=(__hash_table&& __u)
-        _NOEXCEPT_(
-            __node_traits::propagate_on_container_move_assignment::value &&
-            is_nothrow_move_assignable<__node_allocator>::value &&
-            is_nothrow_move_assignable<hasher>::value &&
-            is_nothrow_move_assignable<key_equal>::value);
+    __hash_table& operator=(__hash_table&& __u);
 #endif
     template <class _InputIterator>
         void __assign_unique(_InputIterator __first, _InputIterator __last);
@@ -576,7 +540,7 @@ public:
         void __assign_multi(_InputIterator __first, _InputIterator __last);
 
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_size() const _NOEXCEPT
+    size_type max_size() const
     {
         return allocator_traits<__pointer_allocator>::max_size(
             __bucket_list_.get_deleter().__alloc());
@@ -613,21 +577,21 @@ public:
     iterator __insert_multi(const_iterator __p, const value_type& __x);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
-    void clear() _NOEXCEPT;
+    void clear();
     void rehash(size_type __n);
     _LIBCPP_INLINE_VISIBILITY void reserve(size_type __n)
         {rehash(static_cast<size_type>(ceil(__n / max_load_factor())));}
 
     _LIBCPP_INLINE_VISIBILITY
-    size_type bucket_count() const _NOEXCEPT
+    size_type bucket_count() const
     {
         return __bucket_list_.get_deleter().size();
     }
 
-    iterator       begin() _NOEXCEPT;
-    iterator       end() _NOEXCEPT;
-    const_iterator begin() const _NOEXCEPT;
-    const_iterator end() const _NOEXCEPT;
+    iterator       begin();
+    iterator       end();
+    const_iterator begin() const;
+    const_iterator end() const;
 
     template <class _Key>
         _LIBCPP_INLINE_VISIBILITY
@@ -648,7 +612,7 @@ public:
         size_type __erase_unique(const _Key& __k);
     template <class _Key>
         size_type __erase_multi(const _Key& __k);
-    __node_holder remove(const_iterator __p) _NOEXCEPT;
+    __node_holder remove(const_iterator __p);
 
     template <class _Key>
         size_type __count_unique(const _Key& __k) const;
@@ -669,26 +633,19 @@ public:
         pair<const_iterator, const_iterator>
         __equal_range_multi(const _Key& __k) const;
 
-    void swap(__hash_table& __u)
-        _NOEXCEPT_(
-            (!allocator_traits<__pointer_allocator>::propagate_on_container_swap::value ||
-             __is_nothrow_swappable<__pointer_allocator>::value) &&
-            (!__node_traits::propagate_on_container_swap::value ||
-             __is_nothrow_swappable<__node_allocator>::value) &&
-            __is_nothrow_swappable<hasher>::value &&
-            __is_nothrow_swappable<key_equal>::value);
+    void swap(__hash_table& __u);
 
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_bucket_count() const _NOEXCEPT
+    size_type max_bucket_count() const
         {return __bucket_list_.get_deleter().__alloc().max_size();}
     size_type bucket_size(size_type __n) const;
-    _LIBCPP_INLINE_VISIBILITY float load_factor() const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY float load_factor() const
     {
         size_type __bc = bucket_count();
         return __bc != 0 ? (float)size() / __bc : 0.f;
     }
-    _LIBCPP_INLINE_VISIBILITY void max_load_factor(float __mlf) _NOEXCEPT
-        {max_load_factor() = _VSTD::max(__mlf, load_factor());}
+    _LIBCPP_INLINE_VISIBILITY void max_load_factor(float __mlf)
+        {max_load_factor() = _STD::max(__mlf, load_factor());}
 
     _LIBCPP_INLINE_VISIBILITY local_iterator       begin(size_type __n)
         {return local_iterator(__bucket_list_[__n], __n, bucket_count());}
@@ -721,40 +678,25 @@ private:
         void __copy_assign_alloc(const __hash_table& __u, false_type) {}
 
     void __move_assign(__hash_table& __u, false_type);
-    void __move_assign(__hash_table& __u, true_type)
-        _NOEXCEPT_(
-            is_nothrow_move_assignable<__node_allocator>::value &&
-            is_nothrow_move_assignable<hasher>::value &&
-            is_nothrow_move_assignable<key_equal>::value);
-    _LIBCPP_INLINE_VISIBILITY
-    void __move_assign_alloc(__hash_table& __u)
-        _NOEXCEPT_(
-            !__node_traits::propagate_on_container_move_assignment::value ||
-            (is_nothrow_move_assignable<__pointer_allocator>::value &&
-             is_nothrow_move_assignable<__node_allocator>::value))
+    void __move_assign(__hash_table& __u, true_type);
+    _LIBCPP_INLINE_VISIBILITY void __move_assign_alloc(__hash_table& __u)
         {__move_assign_alloc(__u, integral_constant<bool,
              __node_traits::propagate_on_container_move_assignment::value>());}
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(__hash_table& __u, true_type)
-        _NOEXCEPT_(
-            is_nothrow_move_assignable<__pointer_allocator>::value &&
-            is_nothrow_move_assignable<__node_allocator>::value)
     {
         __bucket_list_.get_deleter().__alloc() =
-                _VSTD::move(__u.__bucket_list_.get_deleter().__alloc());
-        __node_alloc() = _VSTD::move(__u.__node_alloc());
+                _STD::move(__u.__bucket_list_.get_deleter().__alloc());
+        __node_alloc() = _STD::move(__u.__node_alloc());
     }
     _LIBCPP_INLINE_VISIBILITY
-        void __move_assign_alloc(__hash_table&, false_type) _NOEXCEPT {}
+        void __move_assign_alloc(__hash_table&, false_type) {}
 
     template <class _A>
     _LIBCPP_INLINE_VISIBILITY
     static
     void
     __swap_alloc(_A& __x, _A& __y)
-        _NOEXCEPT_(
-            !allocator_traits<_A>::propagate_on_container_swap::value ||
-            __is_nothrow_swappable<_A>::value)
     {
         __swap_alloc(__x, __y,
                      integral_constant<bool,
@@ -767,9 +709,8 @@ private:
     static
     void
     __swap_alloc(_A& __x, _A& __y, true_type)
-        _NOEXCEPT_(__is_nothrow_swappable<_A>::value)
     {
-        using _VSTD::swap;
+        using _STD::swap;
         swap(__x, __y);
     }
 
@@ -777,20 +718,15 @@ private:
     _LIBCPP_INLINE_VISIBILITY
     static
     void
-    __swap_alloc(_A& __x, _A& __y, false_type) _NOEXCEPT {}
+    __swap_alloc(_A& __x, _A& __y, false_type) {}
 
-    void __deallocate(__node_pointer __np) _NOEXCEPT;
-    __node_pointer __detach() _NOEXCEPT;
+    void __deallocate(__node_pointer __np);
+    __node_pointer __detach();
 };
 
 template <class _Tp, class _Hash, class _Equal, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 __hash_table<_Tp, _Hash, _Equal, _Alloc>::__hash_table()
-    _NOEXCEPT_(
-        is_nothrow_default_constructible<__bucket_list>::value &&
-        is_nothrow_default_constructible<__first_node>::value &&
-        is_nothrow_default_constructible<hasher>::value &&
-        is_nothrow_default_constructible<key_equal>::value)
     : __p2_(0),
       __p3_(1.0f)
 {
@@ -854,20 +790,15 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__hash_table(const __hash_table& __u,
 
 template <class _Tp, class _Hash, class _Equal, class _Alloc>
 __hash_table<_Tp, _Hash, _Equal, _Alloc>::__hash_table(__hash_table&& __u)
-        _NOEXCEPT_(
-            is_nothrow_move_constructible<__bucket_list>::value &&
-            is_nothrow_move_constructible<__first_node>::value &&
-            is_nothrow_move_constructible<hasher>::value &&
-            is_nothrow_move_constructible<key_equal>::value)
-    : __bucket_list_(_VSTD::move(__u.__bucket_list_)),
-      __p1_(_VSTD::move(__u.__p1_)),
-      __p2_(_VSTD::move(__u.__p2_)),
-      __p3_(_VSTD::move(__u.__p3_))
+    : __bucket_list_(_STD::move(__u.__bucket_list_)),
+      __p1_(_STD::move(__u.__p1_)),
+      __p2_(_STD::move(__u.__p2_)),
+      __p3_(_STD::move(__u.__p3_))
 {
     if (size() > 0)
     {
         __bucket_list_[__p1_.first().__next_->__hash_ % bucket_count()] =
-            static_cast<__node_pointer>(_VSTD::addressof(__p1_.first()));
+            static_cast<__node_pointer>(_STD::addressof(__p1_.first()));
         __u.__p1_.first().__next_ = nullptr;
         __u.size() = 0;
     }
@@ -878,8 +809,8 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__hash_table(__hash_table&& __u,
                                                        const allocator_type& __a)
     : __bucket_list_(nullptr, __bucket_list_deleter(__pointer_allocator(__a), 0)),
       __p1_(__node_allocator(__a)),
-      __p2_(0, _VSTD::move(__u.hash_function())),
-      __p3_(_VSTD::move(__u.__p3_))
+      __p2_(0, _STD::move(__u.hash_function())),
+      __p3_(_STD::move(__u.__p3_))
 {
     if (__a == allocator_type(__u.__node_alloc()))
     {
@@ -891,7 +822,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__hash_table(__hash_table&& __u,
             __p1_.first().__next_ = __u.__p1_.first().__next_;
             __u.__p1_.first().__next_ = nullptr;
             __bucket_list_[__p1_.first().__next_->__hash_ % bucket_count()] =
-                static_cast<__node_pointer>(_VSTD::addressof(__p1_.first()));
+                static_cast<__node_pointer>(_STD::addressof(__p1_.first()));
             size() = __u.size();
             __u.size() = 0;
         }
@@ -939,13 +870,12 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::operator=(const __hash_table& __u)
 template <class _Tp, class _Hash, class _Equal, class _Alloc>
 void
 __hash_table<_Tp, _Hash, _Equal, _Alloc>::__deallocate(__node_pointer __np)
-    _NOEXCEPT
 {
     __node_allocator& __na = __node_alloc();
     while (__np != nullptr)
     {
         __node_pointer __next = __np->__next_;
-        __node_traits::destroy(__na, _VSTD::addressof(__np->__value_));
+        __node_traits::destroy(__na, _STD::addressof(__np->__value_));
         __node_traits::deallocate(__na, __np, 1);
         __np = __next;
     }
@@ -953,7 +883,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__deallocate(__node_pointer __np)
 
 template <class _Tp, class _Hash, class _Equal, class _Alloc>
 typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_pointer
-__hash_table<_Tp, _Hash, _Equal, _Alloc>::__detach() _NOEXCEPT
+__hash_table<_Tp, _Hash, _Equal, _Alloc>::__detach()
 {
     size_type __bc = bucket_count();
     for (size_type __i = 0; __i < __bc; ++__i)
@@ -970,10 +900,6 @@ template <class _Tp, class _Hash, class _Equal, class _Alloc>
 void
 __hash_table<_Tp, _Hash, _Equal, _Alloc>::__move_assign(
         __hash_table& __u, true_type)
-    _NOEXCEPT_(
-        is_nothrow_move_assignable<__node_allocator>::value &&
-        is_nothrow_move_assignable<hasher>::value &&
-        is_nothrow_move_assignable<key_equal>::value)
 {
     clear();
     __bucket_list_.reset(__u.__bucket_list_.release());
@@ -981,14 +907,14 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__move_assign(
     __u.__bucket_list_.get_deleter().size() = 0;
     __move_assign_alloc(__u);
     size() = __u.size();
-    hash_function() = _VSTD::move(__u.hash_function());
+    hash_function() = _STD::move(__u.hash_function());
     max_load_factor() = __u.max_load_factor();
-    key_eq() = _VSTD::move(__u.key_eq());
+    key_eq() = _STD::move(__u.key_eq());
     __p1_.first().__next_ = __u.__p1_.first().__next_;
     if (size() > 0)
     {
         __bucket_list_[__p1_.first().__next_->__hash_ % bucket_count()] =
-            static_cast<__node_pointer>(_VSTD::addressof(__p1_.first()));
+            static_cast<__node_pointer>(_STD::addressof(__p1_.first()));
         __u.__p1_.first().__next_ = nullptr;
         __u.size() = 0;
     }
@@ -1003,8 +929,8 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__move_assign(
         __move_assign(__u, true_type());
     else
     {
-        hash_function() = _VSTD::move(__u.hash_function());
-        key_eq() = _VSTD::move(__u.key_eq());
+        hash_function() = _STD::move(__u.hash_function());
+        key_eq() = _STD::move(__u.key_eq());
         max_load_factor() = __u.max_load_factor();
         if (bucket_count() != 0)
         {
@@ -1016,7 +942,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__move_assign(
                 const_iterator __i = __u.begin();
                 while (__cache != nullptr && __u.size() != 0)
                 {
-                    __cache->__value_ = _VSTD::move(__u.remove(__i++)->__value_);
+                    __cache->__value_ = _STD::move(__u.remove(__i++)->__value_);
                     __node_pointer __next = __cache->__next_;
                     __node_insert_multi(__cache);
                     __cache = __next;
@@ -1035,7 +961,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__move_assign(
         while (__u.size() != 0)
         {
             __node_holder __h =
-                    __construct_node(_VSTD::move(__u.remove(__i++)->__value_));
+                    __construct_node(_STD::move(__u.remove(__i++)->__value_));
             __node_insert_multi(__h.get());
             __h.release();
         }
@@ -1046,11 +972,6 @@ template <class _Tp, class _Hash, class _Equal, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 __hash_table<_Tp, _Hash, _Equal, _Alloc>&
 __hash_table<_Tp, _Hash, _Equal, _Alloc>::operator=(__hash_table&& __u)
-    _NOEXCEPT_(
-        __node_traits::propagate_on_container_move_assignment::value &&
-        is_nothrow_move_assignable<__node_allocator>::value &&
-        is_nothrow_move_assignable<hasher>::value &&
-        is_nothrow_move_assignable<key_equal>::value)
 {
     __move_assign(__u, integral_constant<bool,
                   __node_traits::propagate_on_container_move_assignment::value>());
@@ -1130,7 +1051,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__assign_multi(_InputIterator __first,
 template <class _Tp, class _Hash, class _Equal, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator
-__hash_table<_Tp, _Hash, _Equal, _Alloc>::begin() _NOEXCEPT
+__hash_table<_Tp, _Hash, _Equal, _Alloc>::begin()
 {
     return iterator(__p1_.first().__next_);
 }
@@ -1138,7 +1059,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::begin() _NOEXCEPT
 template <class _Tp, class _Hash, class _Equal, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator
-__hash_table<_Tp, _Hash, _Equal, _Alloc>::end() _NOEXCEPT
+__hash_table<_Tp, _Hash, _Equal, _Alloc>::end()
 {
     return iterator(nullptr);
 }
@@ -1146,7 +1067,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::end() _NOEXCEPT
 template <class _Tp, class _Hash, class _Equal, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::const_iterator
-__hash_table<_Tp, _Hash, _Equal, _Alloc>::begin() const _NOEXCEPT
+__hash_table<_Tp, _Hash, _Equal, _Alloc>::begin() const
 {
     return const_iterator(__p1_.first().__next_);
 }
@@ -1154,21 +1075,21 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::begin() const _NOEXCEPT
 template <class _Tp, class _Hash, class _Equal, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::const_iterator
-__hash_table<_Tp, _Hash, _Equal, _Alloc>::end() const _NOEXCEPT
+__hash_table<_Tp, _Hash, _Equal, _Alloc>::end() const
 {
     return const_iterator(nullptr);
 }
 
 template <class _Tp, class _Hash, class _Equal, class _Alloc>
 void
-__hash_table<_Tp, _Hash, _Equal, _Alloc>::clear() _NOEXCEPT
+__hash_table<_Tp, _Hash, _Equal, _Alloc>::clear()
 {
     if (size() > 0)
     {
         __deallocate(__p1_.first().__next_);
         __p1_.first().__next_ = nullptr;
         size_type __bc = bucket_count();
-        for (size_type __i = 0; __i < __bc; ++__i)
+        for (size_type __i; __i < __bc; ++__i)
             __bucket_list_[__i] = nullptr;
         size() = 0;
     }
@@ -1201,7 +1122,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_insert_unique(__node_pointer __
     {
         if (size()+1 > __bc * max_load_factor() || __bc == 0)
         {
-            rehash(_VSTD::max<size_type>(2 * __bc + 1,
+            rehash(_STD::max<size_type>(2 * __bc + 1,
                            size_type(ceil(float(size() + 1) / max_load_factor()))));
             __bc = bucket_count();
             __chash = __nd->__hash_ % __bc;
@@ -1210,7 +1131,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_insert_unique(__node_pointer __
         __node_pointer __pn = __bucket_list_[__chash];
         if (__pn == nullptr)
         {
-            __pn = static_cast<__node_pointer>(_VSTD::addressof(__p1_.first()));
+            __pn = static_cast<__node_pointer>(_STD::addressof(__p1_.first()));
             __nd->__next_ = __pn->__next_;
             __pn->__next_ = __nd;
             // fix up __bucket_list_
@@ -1240,7 +1161,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_insert_multi(__node_pointer __c
     size_type __bc = bucket_count();
     if (size()+1 > __bc * max_load_factor() || __bc == 0)
     {
-        rehash(_VSTD::max<size_type>(2 * __bc + 1,
+        rehash(_STD::max<size_type>(2 * __bc + 1,
                        size_type(ceil(float(size() + 1) / max_load_factor()))));
         __bc = bucket_count();
     }
@@ -1248,7 +1169,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_insert_multi(__node_pointer __c
     __node_pointer __pn = __bucket_list_[__chash];
     if (__pn == nullptr)
     {
-        __pn = static_cast<__node_pointer>(_VSTD::addressof(__p1_.first()));
+        __pn = static_cast<__node_pointer>(_STD::addressof(__p1_.first()));
         __cp->__next_ = __pn->__next_;
         __pn->__next_ = __cp;
         // fix up __bucket_list_
@@ -1301,7 +1222,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_insert_multi(
         size_type __bc = bucket_count();
         if (size()+1 > __bc * max_load_factor() || __bc == 0)
         {
-            rehash(_VSTD::max<size_type>(2 * __bc + 1,
+            rehash(_STD::max<size_type>(2 * __bc + 1,
                            size_type(ceil(float(size() + 1) / max_load_factor()))));
             __bc = bucket_count();
         }
@@ -1345,7 +1266,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__insert_unique(const value_type& __x)
         __node_holder __h = __construct_node(__x, __hash);
         if (size()+1 > __bc * max_load_factor() || __bc == 0)
         {
-            rehash(_VSTD::max<size_type>(2 * __bc + 1,
+            rehash(_STD::max<size_type>(2 * __bc + 1,
                            size_type(ceil(float(size() + 1) / max_load_factor()))));
             __bc = bucket_count();
             __chash = __hash % __bc;
@@ -1354,7 +1275,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__insert_unique(const value_type& __x)
         __node_pointer __pn = __bucket_list_[__chash];
         if (__pn == nullptr)
         {
-            __pn = static_cast<__node_pointer>(_VSTD::addressof(__p1_.first()));
+            __pn = static_cast<__node_pointer>(_STD::addressof(__p1_.first()));
             __h->__next_ = __pn->__next_;
             __pn->__next_ = __h.get();
             // fix up __bucket_list_
@@ -1384,7 +1305,7 @@ template <class... _Args>
 pair<typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator, bool>
 __hash_table<_Tp, _Hash, _Equal, _Alloc>::__emplace_unique(_Args&&... __args)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_Args>(__args)...);
+    __node_holder __h = __construct_node(_STD::forward<_Args>(__args)...);
     pair<iterator, bool> __r = __node_insert_unique(__h.get());
     if (__r.second)
         __h.release();
@@ -1396,7 +1317,7 @@ template <class... _Args>
 typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator
 __hash_table<_Tp, _Hash, _Equal, _Alloc>::__emplace_multi(_Args&&... __args)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_Args>(__args)...);
+    __node_holder __h = __construct_node(_STD::forward<_Args>(__args)...);
     iterator __r = __node_insert_multi(__h.get());
     __h.release();
     return __r;
@@ -1408,7 +1329,7 @@ typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator
 __hash_table<_Tp, _Hash, _Equal, _Alloc>::__emplace_hint_multi(
         const_iterator __p, _Args&&... __args)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_Args>(__args)...);
+    __node_holder __h = __construct_node(_STD::forward<_Args>(__args)...);
     iterator __r = __node_insert_multi(__p, __h.get());
     __h.release();
     return __r;
@@ -1421,7 +1342,7 @@ template <class _P>
 pair<typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator, bool>
 __hash_table<_Tp, _Hash, _Equal, _Alloc>::__insert_unique(_P&& __x)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_P>(__x));
+    __node_holder __h = __construct_node(_STD::forward<_P>(__x));
     pair<iterator, bool> __r = __node_insert_unique(__h.get());
     if (__r.second)
         __h.release();
@@ -1437,7 +1358,7 @@ template <class _P>
 typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator
 __hash_table<_Tp, _Hash, _Equal, _Alloc>::__insert_multi(_P&& __x)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_P>(__x));
+    __node_holder __h = __construct_node(_STD::forward<_P>(__x));
     iterator __r = __node_insert_multi(__h.get());
     __h.release();
     return __r;
@@ -1449,7 +1370,7 @@ typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::iterator
 __hash_table<_Tp, _Hash, _Equal, _Alloc>::__insert_multi(const_iterator __p,
                                                          _P&& __x)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_P>(__x));
+    __node_holder __h = __construct_node(_STD::forward<_P>(__x));
     iterator __r = __node_insert_multi(__p, __h.get());
     __h.release();
     return __r;
@@ -1484,13 +1405,13 @@ template <class _Tp, class _Hash, class _Equal, class _Alloc>
 void
 __hash_table<_Tp, _Hash, _Equal, _Alloc>::rehash(size_type __n)
 {
-    __n = __next_prime(_VSTD::max<size_type>(__n, size() > 0));
+    __n = __next_prime(_STD::max<size_type>(__n, size() > 0));
     size_type __bc = bucket_count();
     if (__n > __bc)
         __rehash(__n);
     else
     {
-        __n = _VSTD::max<size_type>
+        __n = _STD::max<size_type>
               (
                   __n,
                   __next_prime(size_t(ceil(float(size()) / max_load_factor())))
@@ -1512,7 +1433,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__rehash(size_type __nbc)
     {
         for (size_type __i = 0; __i < __nbc; ++__i)
             __bucket_list_[__i] = nullptr;
-        __node_pointer __pp(static_cast<__node_pointer>(_VSTD::addressof(__p1_.first())));
+        __node_pointer __pp(static_cast<__node_pointer>(_STD::addressof(__p1_.first())));
         __node_pointer __cp = __pp->__next_;
         if (__cp != nullptr)
         {
@@ -1612,7 +1533,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__construct_node(_Args&& ...__args)
 {
     __node_allocator& __na = __node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_), _VSTD::forward<_Args>(__args)...);
+    __node_traits::construct(__na, _STD::addressof(__h->__value_), _STD::forward<_Args>(__args)...);
     __h.get_deleter().__value_constructed = true;
     __h->__hash_ = hash_function()(__h->__value_);
     __h->__next_ = nullptr;
@@ -1628,11 +1549,11 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__construct_node(value_type&& __v,
 {
     __node_allocator& __na = __node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_), _VSTD::move(__v));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_), _STD::move(__v));
     __h.get_deleter().__value_constructed = true;
     __h->__hash_ = __hash;
     __h->__next_ = nullptr;
-    return _VSTD::move(__h);
+    return _STD::move(__h);
 }
 
 #else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -1643,11 +1564,11 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__construct_node(const value_type& __v
 {
     __node_allocator& __na = __node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_), __v);
+    __node_traits::construct(__na, _STD::addressof(__h->__value_), __v);
     __h.get_deleter().__value_constructed = true;
     __h->__hash_ = hash_function()(__h->__value_);
     __h->__next_ = nullptr;
-    return _VSTD::move(__h);
+    return _STD::move(__h);
 }
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -1659,11 +1580,11 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__construct_node(const value_type& __v
 {
     __node_allocator& __na = __node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_), __v);
+    __node_traits::construct(__na, _STD::addressof(__h->__value_), __v);
     __h.get_deleter().__value_constructed = true;
     __h->__hash_ = __hash;
     __h->__next_ = nullptr;
-    return _VSTD::move(__h);
+    return _STD::move(__h);
 }
 
 template <class _Tp, class _Hash, class _Equal, class _Alloc>
@@ -1724,7 +1645,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__erase_multi(const _Key& __k)
 
 template <class _Tp, class _Hash, class _Equal, class _Alloc>
 typename __hash_table<_Tp, _Hash, _Equal, _Alloc>::__node_holder
-__hash_table<_Tp, _Hash, _Equal, _Alloc>::remove(const_iterator __p) _NOEXCEPT
+__hash_table<_Tp, _Hash, _Equal, _Alloc>::remove(const_iterator __p)
 {
     // current node
     __node_pointer __cn = const_cast<__node_pointer>(__p.__node_);
@@ -1737,7 +1658,7 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::remove(const_iterator __p) _NOEXCEPT
     // Fix up __bucket_list_
         // if __pn is not in same bucket (before begin is not in same bucket) &&
         //    if __cn->__next_ is not in same bucket (nullptr is not in same bucket)
-    if (__pn == _VSTD::addressof(__p1_.first()) || __pn->__hash_ % __bc != __chash)
+    if (__pn == _STD::addressof(__p1_.first()) || __pn->__hash_ % __bc != __chash)
     {
         if (__cn->__next_ == nullptr || __cn->__next_->__hash_ % __bc != __chash)
             __bucket_list_[__chash] = nullptr;
@@ -1855,32 +1776,25 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::__equal_range_multi(
 template <class _Tp, class _Hash, class _Equal, class _Alloc>
 void
 __hash_table<_Tp, _Hash, _Equal, _Alloc>::swap(__hash_table& __u)
-    _NOEXCEPT_(
-        (!allocator_traits<__pointer_allocator>::propagate_on_container_swap::value ||
-         __is_nothrow_swappable<__pointer_allocator>::value) &&
-        (!__node_traits::propagate_on_container_swap::value ||
-         __is_nothrow_swappable<__node_allocator>::value) &&
-        __is_nothrow_swappable<hasher>::value &&
-        __is_nothrow_swappable<key_equal>::value)
 {
     {
     __node_pointer_pointer __npp = __bucket_list_.release();
     __bucket_list_.reset(__u.__bucket_list_.release());
     __u.__bucket_list_.reset(__npp);
     }
-    _VSTD::swap(__bucket_list_.get_deleter().size(), __u.__bucket_list_.get_deleter().size());
+    _STD::swap(__bucket_list_.get_deleter().size(), __u.__bucket_list_.get_deleter().size());
     __swap_alloc(__bucket_list_.get_deleter().__alloc(),
              __u.__bucket_list_.get_deleter().__alloc());
     __swap_alloc(__node_alloc(), __u.__node_alloc());
-    _VSTD::swap(__p1_.first().__next_, __u.__p1_.first().__next_);
+    _STD::swap(__p1_.first().__next_, __u.__p1_.first().__next_);
     __p2_.swap(__u.__p2_);
     __p3_.swap(__u.__p3_);
     if (size() > 0)
         __bucket_list_[__p1_.first().__next_->__hash_ % bucket_count()] =
-            static_cast<__node_pointer>(_VSTD::addressof(__p1_.first()));
+            static_cast<__node_pointer>(_STD::addressof(__p1_.first()));
     if (__u.size() > 0)
         __u.__bucket_list_[__u.__p1_.first().__next_->__hash_ % __u.bucket_count()] =
-            static_cast<__node_pointer>(_VSTD::addressof(__u.__p1_.first()));
+            static_cast<__node_pointer>(_STD::addressof(__u.__p1_.first()));
 }
 
 template <class _Tp, class _Hash, class _Equal, class _Alloc>
@@ -1900,16 +1814,6 @@ __hash_table<_Tp, _Hash, _Equal, _Alloc>::bucket_size(size_type __n) const
     return __r;
 }
 
-template <class _Tp, class _Hash, class _Equal, class _Alloc>
-inline _LIBCPP_INLINE_VISIBILITY
-void
-swap(__hash_table<_Tp, _Hash, _Equal, _Alloc>& __x,
-     __hash_table<_Tp, _Hash, _Equal, _Alloc>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
-{
-    __x.swap(__y);
-}
-
 _LIBCPP_END_NAMESPACE_STD
 
 #endif  // _LIBCPP__HASH_TABLE

include/__locale

@@ -27,7 +27,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 
 class locale;
 
-template <class _Facet> bool has_facet(const locale&) _NOEXCEPT;
+template <class _Facet> bool has_facet(const locale&) throw();
 template <class _Facet> const _Facet& use_facet(const locale&);
 
 class _LIBCPP_VISIBLE locale
@@ -49,8 +49,8 @@ public:
         all = collate | ctype | monetary | numeric | time | messages;
 
     // construct/copy/destroy:
-    locale()  _NOEXCEPT;
-    locale(const locale&)  _NOEXCEPT;
+    locale() throw();
+    locale(const locale&) throw();
     explicit locale(const char*);
     explicit locale(const string&);
     locale(const locale&, const char*, category);
@@ -59,9 +59,9 @@ public:
         _LIBCPP_INLINE_VISIBILITY locale(const locale&, _Facet*);
     locale(const locale&, const locale&, category);
 
-    ~locale();
+    ~locale() throw();
 
-    const locale& operator=(const locale&)  _NOEXCEPT;
+    const locale& operator=(const locale&) throw();
 
     template <class _Facet> locale combine(const locale&) const;
 
@@ -86,7 +86,7 @@ private:
     bool has_facet(id&) const;
     const facet* use_facet(id&) const;
 
-    template <class _Facet> friend bool has_facet(const locale&)  _NOEXCEPT;
+    template <class _Facet> friend bool has_facet(const locale&) throw();
     template <class _Facet> friend const _Facet& use_facet(const locale&);
 };
 
@@ -103,7 +103,7 @@ protected:
 //    facet(const facet&) = delete;     // effectively done in __shared_count
 //    void operator=(const facet&) = delete;
 private:
-    virtual void __on_zero_shared() _NOEXCEPT;
+    virtual void __on_zero_shared();
 };
 
 class _LIBCPP_VISIBLE locale::id
@@ -137,16 +137,16 @@ locale
 locale::combine(const locale& __other) const
 {
 #ifndef _LIBCPP_NO_EXCEPTIONS
-    if (!_VSTD::has_facet<_Facet>(__other))
+    if (!_STD::has_facet<_Facet>(__other))
         throw runtime_error("locale::combine: locale missing facet");
 #endif  // _LIBCPP_NO_EXCEPTIONS
-    return locale(*this, &const_cast<_Facet&>(_VSTD::use_facet<_Facet>(__other)));
+    return locale(*this, &const_cast<_Facet&>(_STD::use_facet<_Facet>(__other)));
 }
 
 template <class _Facet>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-has_facet(const locale& __l)  _NOEXCEPT
+has_facet(const locale& __l) throw()
 {
     return __l.has_facet(_Facet::id);
 }
@@ -292,7 +292,7 @@ bool
 locale::operator()(const basic_string<_CharT, _Traits, _Allocator>& __x,
                    const basic_string<_CharT, _Traits, _Allocator>& __y) const
 {
-    return _VSTD::use_facet<_VSTD::collate<_CharT> >(*this).compare(
+    return _STD::use_facet<_STD::collate<_CharT> >(*this).compare(
                                        __x.data(), __x.data() + __x.size(),
                                        __y.data(), __y.data() + __y.size()) < 0;
 }
@@ -302,11 +302,7 @@ locale::operator()(const basic_string<_CharT, _Traits, _Allocator>& __x,
 class _LIBCPP_VISIBLE ctype_base
 {
 public:
-#ifdef __GLIBC__
-    typedef unsigned short mask;
-#else
     typedef __uint32_t mask;
-#endif
 
 #if __APPLE__
     static const mask space  = _CTYPE_S;
@@ -539,12 +535,8 @@ public:
 #else
     static const size_t table_size = 256;  // FIXME: Don't hardcode this.
 #endif
-    _LIBCPP_ALWAYS_INLINE const mask* table() const  _NOEXCEPT {return __tab_;}
-    static const mask* classic_table()  _NOEXCEPT;
-#ifndef _LIBCPP_STABLE_APPLE_ABI
-    static const int* __classic_upper_table() _NOEXCEPT;
-    static const int* __classic_lower_table() _NOEXCEPT;
-#endif
+    _LIBCPP_ALWAYS_INLINE const mask* table() const throw() {return __tab_;}
+    static const mask* classic_table() throw();
 
 protected:
     ~ctype();
@@ -763,13 +755,13 @@ public:
     }
 
     _LIBCPP_ALWAYS_INLINE
-    int encoding() const  _NOEXCEPT
+    int encoding() const throw()
     {
         return do_encoding();
     }
 
     _LIBCPP_ALWAYS_INLINE
-    bool always_noconv() const  _NOEXCEPT
+    bool always_noconv() const throw()
     {
         return do_always_noconv();
     }
@@ -781,7 +773,7 @@ public:
     }
 
     _LIBCPP_ALWAYS_INLINE
-    int max_length() const  _NOEXCEPT
+    int max_length() const throw()
     {
         return do_max_length();
     }
@@ -803,10 +795,10 @@ protected:
                          intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
     virtual result do_unshift(state_type& __st,
                               extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
-    virtual int do_encoding() const  _NOEXCEPT;
-    virtual bool do_always_noconv() const  _NOEXCEPT;
+    virtual int do_encoding() const throw();
+    virtual bool do_always_noconv() const throw();
     virtual int do_length(state_type& __st, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
-    virtual int do_max_length() const  _NOEXCEPT;
+    virtual int do_max_length() const throw();
 };
 
 // template <> class codecvt<wchar_t, char, mbstate_t>
@@ -848,13 +840,13 @@ public:
     }
 
     _LIBCPP_ALWAYS_INLINE
-    int encoding() const  _NOEXCEPT
+    int encoding() const throw()
     {
         return do_encoding();
     }
 
     _LIBCPP_ALWAYS_INLINE
-    bool always_noconv() const  _NOEXCEPT
+    bool always_noconv() const throw()
     {
         return do_always_noconv();
     }
@@ -866,7 +858,7 @@ public:
     }
 
     _LIBCPP_ALWAYS_INLINE
-    int max_length() const  _NOEXCEPT
+    int max_length() const throw()
     {
         return do_max_length();
     }
@@ -886,10 +878,10 @@ protected:
                          intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
     virtual result do_unshift(state_type& __st,
                               extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
-    virtual int do_encoding() const  _NOEXCEPT;
-    virtual bool do_always_noconv() const  _NOEXCEPT;
+    virtual int do_encoding() const throw();
+    virtual bool do_always_noconv() const throw();
     virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
-    virtual int do_max_length() const  _NOEXCEPT;
+    virtual int do_max_length() const throw();
 };
 
 // template <> class codecvt<char16_t, char, mbstate_t>
@@ -932,13 +924,13 @@ public:
     }
 
     _LIBCPP_ALWAYS_INLINE
-    int encoding() const  _NOEXCEPT
+    int encoding() const throw()
     {
         return do_encoding();
     }
 
     _LIBCPP_ALWAYS_INLINE
-    bool always_noconv() const  _NOEXCEPT
+    bool always_noconv() const throw()
     {
         return do_always_noconv();
     }
@@ -950,7 +942,7 @@ public:
     }
 
     _LIBCPP_ALWAYS_INLINE
-    int max_length() const  _NOEXCEPT
+    int max_length() const throw()
     {
         return do_max_length();
     }
@@ -972,10 +964,10 @@ protected:
                          intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
     virtual result do_unshift(state_type& __st,
                               extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
-    virtual int do_encoding() const  _NOEXCEPT;
-    virtual bool do_always_noconv() const  _NOEXCEPT;
+    virtual int do_encoding() const throw();
+    virtual bool do_always_noconv() const throw();
     virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
-    virtual int do_max_length() const  _NOEXCEPT;
+    virtual int do_max_length() const throw();
 };
 
 // template <> class codecvt<char32_t, char, mbstate_t>
@@ -1018,13 +1010,13 @@ public:
     }
 
     _LIBCPP_ALWAYS_INLINE
-    int encoding() const  _NOEXCEPT
+    int encoding() const throw()
     {
         return do_encoding();
     }
 
     _LIBCPP_ALWAYS_INLINE
-    bool always_noconv() const  _NOEXCEPT
+    bool always_noconv() const throw()
     {
         return do_always_noconv();
     }
@@ -1036,7 +1028,7 @@ public:
     }
 
     _LIBCPP_ALWAYS_INLINE
-    int max_length() const  _NOEXCEPT
+    int max_length() const throw()
     {
         return do_max_length();
     }
@@ -1058,10 +1050,10 @@ protected:
                          intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const;
     virtual result do_unshift(state_type& __st,
                               extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const;
-    virtual int do_encoding() const  _NOEXCEPT;
-    virtual bool do_always_noconv() const  _NOEXCEPT;
+    virtual int do_encoding() const throw();
+    virtual bool do_always_noconv() const throw();
     virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, size_t __mx) const;
-    virtual int do_max_length() const  _NOEXCEPT;
+    virtual int do_max_length() const throw();
 };
 
 // template <class _InternT, class _ExternT, class _StateT> class codecvt_byname

include/__mutex_base

@@ -21,8 +21,8 @@
 #ifdef _LIBCPP_SHARED_LOCK
 
 namespace ting {
-template <class _Mutex> class shared_lock;
-template <class _Mutex> class upgrade_lock;
+template <class> class shared_lock;
+template <class> class upgrade_lock;
 }
 
 #endif  // _LIBCPP_SHARED_LOCK
@@ -190,8 +190,8 @@ public:
     _LIBCPP_INLINE_VISIBILITY
     void swap(unique_lock& __u)
     {
-        _VSTD::swap(__m_, __u.__m_);
-        _VSTD::swap(__owns_, __u.__owns_);
+        _STD::swap(__m_, __u.__m_);
+        _STD::swap(__owns_, __u.__owns_);
     }
     _LIBCPP_INLINE_VISIBILITY
     mutex_type* release()
@@ -429,7 +429,7 @@ condition_variable::wait_for(unique_lock<mutex>& __lk,
                              _Predicate __pred)
 {
     return wait_until(__lk, chrono::steady_clock::now() + __d,
-                      _VSTD::move(__pred));
+                      _STD::move(__pred));
 }
 
 _LIBCPP_END_NAMESPACE_STD

include/__split_buffer

@@ -47,36 +47,29 @@ public:
     typedef typename add_lvalue_reference<allocator_type>::type __alloc_ref;
     typedef typename add_lvalue_reference<allocator_type>::type __alloc_const_ref;
 
-    _LIBCPP_INLINE_VISIBILITY __alloc_rr&           __alloc() _NOEXCEPT         {return __end_cap_.second();}
-    _LIBCPP_INLINE_VISIBILITY const __alloc_rr&     __alloc() const _NOEXCEPT   {return __end_cap_.second();}
-    _LIBCPP_INLINE_VISIBILITY pointer&              __end_cap() _NOEXCEPT       {return __end_cap_.first();}
-    _LIBCPP_INLINE_VISIBILITY const pointer&        __end_cap() const _NOEXCEPT {return __end_cap_.first();}
+    _LIBCPP_INLINE_VISIBILITY __alloc_rr&           __alloc()         {return __end_cap_.second();}
+    _LIBCPP_INLINE_VISIBILITY const __alloc_rr&     __alloc() const   {return __end_cap_.second();}
+    _LIBCPP_INLINE_VISIBILITY pointer&              __end_cap()       {return __end_cap_.first();}
+    _LIBCPP_INLINE_VISIBILITY const pointer&        __end_cap() const {return __end_cap_.first();}
 
-    __split_buffer()
-        _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value);
+    __split_buffer();
     explicit __split_buffer(__alloc_rr& __a);
     explicit __split_buffer(const __alloc_rr& __a);
     __split_buffer(size_type __cap, size_type __start, __alloc_rr& __a);
     ~__split_buffer();
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    __split_buffer(__split_buffer&& __c)
-        _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value);
+    __split_buffer(__split_buffer&& __c);
     __split_buffer(__split_buffer&& __c, const __alloc_rr& __a);
-    __split_buffer& operator=(__split_buffer&& __c)
-        _NOEXCEPT_((__alloc_traits::propagate_on_container_move_assignment::value &&
-                is_nothrow_move_assignable<allocator_type>::value) ||
-               !__alloc_traits::propagate_on_container_move_assignment::value);
+    __split_buffer& operator=(__split_buffer&& __c);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
-    _LIBCPP_INLINE_VISIBILITY       iterator begin() _NOEXCEPT       {return __begin_;}
-    _LIBCPP_INLINE_VISIBILITY const_iterator begin() const _NOEXCEPT {return __begin_;}
-    _LIBCPP_INLINE_VISIBILITY       iterator end() _NOEXCEPT         {return __end_;}
-    _LIBCPP_INLINE_VISIBILITY const_iterator end() const _NOEXCEPT   {return __end_;}
+    _LIBCPP_INLINE_VISIBILITY       iterator begin()       {return __begin_;}
+    _LIBCPP_INLINE_VISIBILITY const_iterator begin() const {return __begin_;}
+    _LIBCPP_INLINE_VISIBILITY       iterator end()         {return __end_;}
+    _LIBCPP_INLINE_VISIBILITY const_iterator end() const   {return __end_;}
 
-    _LIBCPP_INLINE_VISIBILITY
-    void clear() _NOEXCEPT
-        {__destruct_at_end(__begin_);}
+    _LIBCPP_INLINE_VISIBILITY void clear() {__destruct_at_end(__begin_);}
     _LIBCPP_INLINE_VISIBILITY size_type size() const {return static_cast<size_type>(__end_ - __begin_);}
     _LIBCPP_INLINE_VISIBILITY bool empty()     const {return __end_ == __begin_;}
     _LIBCPP_INLINE_VISIBILITY size_type capacity() const {return static_cast<size_type>(__end_cap() - __first_);}
@@ -89,7 +82,7 @@ public:
     _LIBCPP_INLINE_VISIBILITY const_reference back() const  {return *(__end_ - 1);}
 
     void reserve(size_type __n);
-    void shrink_to_fit() _NOEXCEPT;
+    void shrink_to_fit();
     void push_front(const_reference __x);
     void push_back(const_reference __x);
 #if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES)
@@ -127,47 +120,40 @@ public:
         void __destruct_at_begin(pointer __new_begin, false_type);
         void __destruct_at_begin(pointer __new_begin, true_type);
 
-    _LIBCPP_INLINE_VISIBILITY
-    void __destruct_at_end(pointer __new_last) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY void __destruct_at_end(pointer __new_last)
         {__destruct_at_end(__new_last, is_trivially_destructible<value_type>());}
-        void __destruct_at_end(pointer __new_last, false_type) _NOEXCEPT;
-        void __destruct_at_end(pointer __new_last, true_type) _NOEXCEPT;
+        void __destruct_at_end(pointer __new_last, false_type);
+        void __destruct_at_end(pointer __new_last, true_type);
 
-    void swap(__split_buffer& __x)
-        _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value||
-                   __is_nothrow_swappable<__alloc_rr>::value);
+    void swap(__split_buffer& __x);
 
     bool __invariants() const;
 
 private:
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(const __split_buffer& __c, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value)
         {
-            __alloc() = _VSTD::move(__c.__alloc());
+            __alloc() = _STD::move(__c.__alloc());
         }
 
     _LIBCPP_INLINE_VISIBILITY
-    void __move_assign_alloc(const __split_buffer& __c, false_type) _NOEXCEPT
+    void __move_assign_alloc(const __split_buffer& __c, false_type)
         {}
 
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__alloc_rr& __x, __alloc_rr& __y)
-        _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value||
-                   __is_nothrow_swappable<__alloc_rr>::value)
         {__swap_alloc(__x, __y, integral_constant<bool,
                       __alloc_traits::propagate_on_container_swap::value>());}
 
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__alloc_rr& __x, __alloc_rr& __y, true_type)
-        _NOEXCEPT_(__is_nothrow_swappable<__alloc_rr>::value)
         {
-            using _VSTD::swap;
+            using _STD::swap;
             swap(__x, __y);
         }
 
     _LIBCPP_INLINE_VISIBILITY
-    static void __swap_alloc(__alloc_rr& __x, __alloc_rr& __y, false_type) _NOEXCEPT
+    static void __swap_alloc(__alloc_rr& __x, __alloc_rr& __y, false_type)
         {}
 };
 
@@ -208,7 +194,7 @@ __split_buffer<_Tp, _Allocator>::__construct_at_end(size_type __n)
     __alloc_rr& __a = this->__alloc();
     do
     {
-        __alloc_traits::construct(__a, _VSTD::__to_raw_pointer(this->__end_), value_type());
+        __alloc_traits::construct(__a, _STD::__to_raw_pointer(this->__end_), value_type());
         ++this->__end_;
         --__n;
     } while (__n > 0);
@@ -227,7 +213,7 @@ __split_buffer<_Tp, _Allocator>::__construct_at_end(size_type __n, const_referen
     __alloc_rr& __a = this->__alloc();
     do
     {
-        __alloc_traits::construct(__a, _VSTD::__to_raw_pointer(this->__end_), __x);
+        __alloc_traits::construct(__a, _STD::__to_raw_pointer(this->__end_), __x);
         ++this->__end_;
         --__n;
     } while (__n > 0);
@@ -249,14 +235,14 @@ __split_buffer<_Tp, _Allocator>::__construct_at_end(_InputIter __first, _InputIt
         if (__end_ == __end_cap())
         {
             size_type __old_cap = __end_cap() - __first_;
-            size_type __new_cap = _VSTD::max<size_type>(2 * __old_cap, 8);
+            size_type __new_cap = _STD::max<size_type>(2 * __old_cap, 8);
             __split_buffer __buf(__new_cap, 0, __a);
             for (pointer __p = __begin_; __p != __end_; ++__p, ++__buf.__end_)
                 __alloc_traits::construct(__buf.__alloc(),
-                        _VSTD::__to_raw_pointer(__buf.__end_), _VSTD::move(*__p));
+                        _STD::__to_raw_pointer(__buf.__end_), _STD::move(*__p));
             swap(__buf);
         }
-        __alloc_traits::construct(__a, _VSTD::__to_raw_pointer(this->__end_), *__first);
+        __alloc_traits::construct(__a, _STD::__to_raw_pointer(this->__end_), *__first);
         ++this->__end_;
     }
 }
@@ -273,7 +259,7 @@ __split_buffer<_Tp, _Allocator>::__construct_at_end(_ForwardIterator __first, _F
     __alloc_rr& __a = this->__alloc();
     for (; __first != __last; ++__first)
     {
-        __alloc_traits::construct(__a, _VSTD::__to_raw_pointer(this->__end_), *__first);
+        __alloc_traits::construct(__a, _STD::__to_raw_pointer(this->__end_), *__first);
         ++this->__end_;
     }
 }
@@ -298,7 +284,7 @@ __split_buffer<_Tp, _Allocator>::__destruct_at_begin(pointer __new_begin, true_t
 template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 void
-__split_buffer<_Tp, _Allocator>::__destruct_at_end(pointer __new_last, false_type) _NOEXCEPT
+__split_buffer<_Tp, _Allocator>::__destruct_at_end(pointer __new_last, false_type)
 {
     while (__new_last < __end_)
         __alloc_traits::destroy(__alloc(), --__end_);
@@ -307,7 +293,7 @@ __split_buffer<_Tp, _Allocator>::__destruct_at_end(pointer __new_last, false_typ
 template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 void
-__split_buffer<_Tp, _Allocator>::__destruct_at_end(pointer __new_last, true_type) _NOEXCEPT
+__split_buffer<_Tp, _Allocator>::__destruct_at_end(pointer __new_last, true_type)
 {
     __end_ = __new_last;
 }
@@ -324,7 +310,6 @@ __split_buffer<_Tp, _Allocator>::__split_buffer(size_type __cap, size_type __sta
 template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 __split_buffer<_Tp, _Allocator>::__split_buffer()
-    _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value)
     : __first_(0), __begin_(0), __end_(0), __end_cap_(0)
 {
 }
@@ -355,11 +340,10 @@ __split_buffer<_Tp, _Allocator>::~__split_buffer()
 
 template <class _Tp, class _Allocator>
 __split_buffer<_Tp, _Allocator>::__split_buffer(__split_buffer&& __c)
-    _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value)
-    : __first_(_VSTD::move(__c.__first_)),
-      __begin_(_VSTD::move(__c.__begin_)),
-      __end_(_VSTD::move(__c.__end_)),
-      __end_cap_(_VSTD::move(__c.__end_cap_))
+    : __first_(_STD::move(__c.__first_)),
+      __begin_(_STD::move(__c.__begin_)),
+      __end_(_STD::move(__c.__end_)),
+      __end_cap_(_STD::move(__c.__end_cap_))
 {
     __c.__first_ = nullptr;
     __c.__begin_ = nullptr;
@@ -396,9 +380,6 @@ __split_buffer<_Tp, _Allocator>::__split_buffer(__split_buffer&& __c, const __al
 template <class _Tp, class _Allocator>
 __split_buffer<_Tp, _Allocator>&
 __split_buffer<_Tp, _Allocator>::operator=(__split_buffer&& __c)
-    _NOEXCEPT_((__alloc_traits::propagate_on_container_move_assignment::value &&
-                is_nothrow_move_assignable<allocator_type>::value) ||
-               !__alloc_traits::propagate_on_container_move_assignment::value)
 {
     clear();
     shrink_to_fit();
@@ -418,13 +399,11 @@ __split_buffer<_Tp, _Allocator>::operator=(__split_buffer&& __c)
 template <class _Tp, class _Allocator>
 void
 __split_buffer<_Tp, _Allocator>::swap(__split_buffer& __x)
-        _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value||
-                   __is_nothrow_swappable<__alloc_rr>::value)
 {
-    _VSTD::swap(__first_, __x.__first_);
-    _VSTD::swap(__begin_, __x.__begin_);
-    _VSTD::swap(__end_, __x.__end_);
-    _VSTD::swap(__end_cap(), __x.__end_cap());
+    _STD::swap(__first_, __x.__first_);
+    _STD::swap(__begin_, __x.__begin_);
+    _STD::swap(__end_, __x.__end_);
+    _STD::swap(__end_cap(), __x.__end_cap());
     __swap_alloc(__alloc(), __x.__alloc());
 }
 
@@ -437,16 +416,16 @@ __split_buffer<_Tp, _Allocator>::reserve(size_type __n)
         __split_buffer<value_type, __alloc_rr&> __t(__n, 0, __alloc());
         __t.__construct_at_end(move_iterator<pointer>(__begin_),
                                move_iterator<pointer>(__end_));
-        _VSTD::swap(__first_, __t.__first_);
-        _VSTD::swap(__begin_, __t.__begin_);
-        _VSTD::swap(__end_, __t.__end_);
-        _VSTD::swap(__end_cap(), __t.__end_cap());
+        _STD::swap(__first_, __t.__first_);
+        _STD::swap(__begin_, __t.__begin_);
+        _STD::swap(__end_, __t.__end_);
+        _STD::swap(__end_cap(), __t.__end_cap());
     }
 }
 
 template <class _Tp, class _Allocator>
 void
-__split_buffer<_Tp, _Allocator>::shrink_to_fit() _NOEXCEPT
+__split_buffer<_Tp, _Allocator>::shrink_to_fit()
 {
     if (capacity() > size())
     {
@@ -458,10 +437,10 @@ __split_buffer<_Tp, _Allocator>::shrink_to_fit() _NOEXCEPT
             __t.__construct_at_end(move_iterator<pointer>(__begin_),
                                    move_iterator<pointer>(__end_));
             __t.__end_ = __t.__begin_ + (__end_ - __begin_);
-            _VSTD::swap(__first_, __t.__first_);
-            _VSTD::swap(__begin_, __t.__begin_);
-            _VSTD::swap(__end_, __t.__end_);
-            _VSTD::swap(__end_cap(), __t.__end_cap());
+            _STD::swap(__first_, __t.__first_);
+            _STD::swap(__begin_, __t.__begin_);
+            _STD::swap(__end_, __t.__end_);
+            _STD::swap(__end_cap(), __t.__end_cap());
 #ifndef _LIBCPP_NO_EXCEPTIONS
         }
         catch (...)
@@ -481,7 +460,7 @@ __split_buffer<_Tp, _Allocator>::push_front(const_reference __x)
         {
             difference_type __d = __end_cap() - __end_;
             __d = (__d + 1) / 2;
-            __begin_ = _VSTD::move_backward(__begin_, __end_, __end_ + __d);
+            __begin_ = _STD::move_backward(__begin_, __end_, __end_ + __d);
             __end_ += __d;
         }
         else
@@ -490,13 +469,13 @@ __split_buffer<_Tp, _Allocator>::push_front(const_reference __x)
             __split_buffer<value_type, __alloc_rr&> __t(__c, (__c + 3) / 4, __alloc());
             __t.__construct_at_end(move_iterator<pointer>(__begin_),
                                    move_iterator<pointer>(__end_));
-            _VSTD::swap(__first_, __t.__first_);
-            _VSTD::swap(__begin_, __t.__begin_);
-            _VSTD::swap(__end_, __t.__end_);
-            _VSTD::swap(__end_cap(), __t.__end_cap());
+            _STD::swap(__first_, __t.__first_);
+            _STD::swap(__begin_, __t.__begin_);
+            _STD::swap(__end_, __t.__end_);
+            _STD::swap(__end_cap(), __t.__end_cap());
         }
     }
-    __alloc_traits::construct(__alloc(), _VSTD::__to_raw_pointer(__begin_-1), __x);
+    __alloc_traits::construct(__alloc(), _STD::__to_raw_pointer(__begin_-1), __x);
     --__begin_;
 }
 
@@ -512,7 +491,7 @@ __split_buffer<_Tp, _Allocator>::push_front(value_type&& __x)
         {
             difference_type __d = __end_cap() - __end_;
             __d = (__d + 1) / 2;
-            __begin_ = _VSTD::move_backward(__begin_, __end_, __end_ + __d);
+            __begin_ = _STD::move_backward(__begin_, __end_, __end_ + __d);
             __end_ += __d;
         }
         else
@@ -521,14 +500,14 @@ __split_buffer<_Tp, _Allocator>::push_front(value_type&& __x)
             __split_buffer<value_type, __alloc_rr&> __t(__c, (__c + 3) / 4, __alloc());
             __t.__construct_at_end(move_iterator<pointer>(__begin_),
                                    move_iterator<pointer>(__end_));
-            _VSTD::swap(__first_, __t.__first_);
-            _VSTD::swap(__begin_, __t.__begin_);
-            _VSTD::swap(__end_, __t.__end_);
-            _VSTD::swap(__end_cap(), __t.__end_cap());
+            _STD::swap(__first_, __t.__first_);
+            _STD::swap(__begin_, __t.__begin_);
+            _STD::swap(__end_, __t.__end_);
+            _STD::swap(__end_cap(), __t.__end_cap());
         }
     }
-    __alloc_traits::construct(__alloc(), _VSTD::__to_raw_pointer(__begin_-1),
-            _VSTD::move(__x));
+    __alloc_traits::construct(__alloc(), _STD::__to_raw_pointer(__begin_-1),
+            _STD::move(__x));
     --__begin_;
 }
 
@@ -545,7 +524,7 @@ __split_buffer<_Tp, _Allocator>::push_back(const_reference __x)
         {
             difference_type __d = __begin_ - __first_;
             __d = (__d + 1) / 2;
-            __end_ = _VSTD::move(__begin_, __end_, __begin_ - __d);
+            __end_ = _STD::move(__begin_, __end_, __begin_ - __d);
             __begin_ -= __d;
         }
         else
@@ -554,13 +533,13 @@ __split_buffer<_Tp, _Allocator>::push_back(const_reference __x)
             __split_buffer<value_type, __alloc_rr&> __t(__c, __c / 4, __alloc());
             __t.__construct_at_end(move_iterator<pointer>(__begin_),
                                    move_iterator<pointer>(__end_));
-            _VSTD::swap(__first_, __t.__first_);
-            _VSTD::swap(__begin_, __t.__begin_);
-            _VSTD::swap(__end_, __t.__end_);
-            _VSTD::swap(__end_cap(), __t.__end_cap());
+            _STD::swap(__first_, __t.__first_);
+            _STD::swap(__begin_, __t.__begin_);
+            _STD::swap(__end_, __t.__end_);
+            _STD::swap(__end_cap(), __t.__end_cap());
         }
     }
-    __alloc_traits::construct(__alloc(), _VSTD::__to_raw_pointer(__end_), __x);
+    __alloc_traits::construct(__alloc(), _STD::__to_raw_pointer(__end_), __x);
     ++__end_;
 }
 
@@ -576,7 +555,7 @@ __split_buffer<_Tp, _Allocator>::push_back(value_type&& __x)
         {
             difference_type __d = __begin_ - __first_;
             __d = (__d + 1) / 2;
-            __end_ = _VSTD::move(__begin_, __end_, __begin_ - __d);
+            __end_ = _STD::move(__begin_, __end_, __begin_ - __d);
             __begin_ -= __d;
         }
         else
@@ -585,14 +564,14 @@ __split_buffer<_Tp, _Allocator>::push_back(value_type&& __x)
             __split_buffer<value_type, __alloc_rr&> __t(__c, __c / 4, __alloc());
             __t.__construct_at_end(move_iterator<pointer>(__begin_),
                                    move_iterator<pointer>(__end_));
-            _VSTD::swap(__first_, __t.__first_);
-            _VSTD::swap(__begin_, __t.__begin_);
-            _VSTD::swap(__end_, __t.__end_);
-            _VSTD::swap(__end_cap(), __t.__end_cap());
+            _STD::swap(__first_, __t.__first_);
+            _STD::swap(__begin_, __t.__begin_);
+            _STD::swap(__end_, __t.__end_);
+            _STD::swap(__end_cap(), __t.__end_cap());
         }
     }
-    __alloc_traits::construct(__alloc(), _VSTD::__to_raw_pointer(__end_),
-            _VSTD::move(__x));
+    __alloc_traits::construct(__alloc(), _STD::__to_raw_pointer(__end_),
+            _STD::move(__x));
     ++__end_;
 }
 
@@ -609,7 +588,7 @@ __split_buffer<_Tp, _Allocator>::emplace_back(_Args&&... __args)
         {
             difference_type __d = __begin_ - __first_;
             __d = (__d + 1) / 2;
-            __end_ = _VSTD::move(__begin_, __end_, __begin_ - __d);
+            __end_ = _STD::move(__begin_, __end_, __begin_ - __d);
             __begin_ -= __d;
         }
         else
@@ -618,14 +597,14 @@ __split_buffer<_Tp, _Allocator>::emplace_back(_Args&&... __args)
             __split_buffer<value_type, __alloc_rr&> __t(__c, __c / 4, __alloc());
             __t.__construct_at_end(move_iterator<pointer>(__begin_),
                                    move_iterator<pointer>(__end_));
-            _VSTD::swap(__first_, __t.__first_);
-            _VSTD::swap(__begin_, __t.__begin_);
-            _VSTD::swap(__end_, __t.__end_);
-            _VSTD::swap(__end_cap(), __t.__end_cap());
+            _STD::swap(__first_, __t.__first_);
+            _STD::swap(__begin_, __t.__begin_);
+            _STD::swap(__end_, __t.__end_);
+            _STD::swap(__end_cap(), __t.__end_cap());
         }
     }
-    __alloc_traits::construct(__alloc(), _VSTD::__to_raw_pointer(__end_),
-                              _VSTD::forward<_Args>(__args)...);
+    __alloc_traits::construct(__alloc(), _STD::__to_raw_pointer(__end_),
+                              _STD::forward<_Args>(__args)...);
     ++__end_;
 }
 
@@ -633,16 +612,6 @@ __split_buffer<_Tp, _Allocator>::emplace_back(_Args&&... __args)
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
-template <class _Tp, class _Allocator>
-_LIBCPP_INLINE_VISIBILITY inline
-void
-swap(__split_buffer<_Tp, _Allocator>& __x, __split_buffer<_Tp, _Allocator>& __y)
-        _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
-{
-    __x.swap(__y);
-}
-
-
 _LIBCPP_END_NAMESPACE_STD
 
 #endif  // _LIBCPP_SPLIT_BUFFER

include/__std_stream

@@ -97,7 +97,7 @@ typename __stdinbuf<_CharT>::int_type
 __stdinbuf<_CharT>::__getchar(bool __consume)
 {
     char __extbuf[__limit];
-    int __nread = _VSTD::max(1, __encoding_);
+    int __nread = _STD::max(1, __encoding_);
     for (int __i = 0; __i < __nread; ++__i)
     {
         char __c = getc(__file_);
@@ -120,7 +120,7 @@ __stdinbuf<_CharT>::__getchar(bool __consume)
                                    &__1buf, &__1buf + 1, __inxt);
             switch (__r)
             {
-            case _VSTD::codecvt_base::ok:
+            case _STD::codecvt_base::ok:
                 break;
             case codecvt_base::partial:
                 __st_ = __sv_st;
@@ -136,11 +136,11 @@ __stdinbuf<_CharT>::__getchar(bool __consume)
                 break;
             case codecvt_base::error:
                 return traits_type::eof();
-            case _VSTD::codecvt_base::noconv:
+            case _STD::codecvt_base::noconv:
                 __1buf = static_cast<char_type>(__extbuf[0]);
                 break;
             }
-        } while (__r == _VSTD::codecvt_base::partial);
+        } while (__r == _STD::codecvt_base::partial);
     }
     if (!__consume)
     {
@@ -166,9 +166,9 @@ __stdinbuf<_CharT>::pbackfail(int_type __c)
     switch (__cv_->out(__st_, &__ci, &__ci + 1, __inxt,
                               __extbuf, __extbuf + sizeof(__extbuf), __enxt))
     {
-    case _VSTD::codecvt_base::ok:
+    case _STD::codecvt_base::ok:
         break;
-    case _VSTD::codecvt_base::noconv:
+    case _STD::codecvt_base::noconv:
         __extbuf[0] = static_cast<char>(__c);
         __enxt = __extbuf + 1;
         break;

include/__tree

@@ -21,19 +21,13 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _Tp, class _Compare, class _Allocator> class __tree;
-template <class _Tp, class _NodePtr, class _DiffType>
-    class _LIBCPP_VISIBLE __tree_iterator;
-template <class _Tp, class _ConstNodePtr, class _DiffType>
-    class _LIBCPP_VISIBLE __tree_const_iterator;
-template <class _Key, class _Tp, class _Compare, class _Allocator>
-    class _LIBCPP_VISIBLE map;
-template <class _Key, class _Tp, class _Compare, class _Allocator>
-    class _LIBCPP_VISIBLE multimap;
-template <class _Key, class _Compare, class _Allocator>
-    class _LIBCPP_VISIBLE set;
-template <class _Key, class _Compare, class _Allocator>
-    class _LIBCPP_VISIBLE multiset;
+template <class, class, class> class __tree;
+template <class, class, class> class _LIBCPP_VISIBLE __tree_iterator;
+template <class, class, class> class _LIBCPP_VISIBLE __tree_const_iterator;
+template <class, class, class, class> class _LIBCPP_VISIBLE map;
+template <class, class, class, class> class _LIBCPP_VISIBLE multimap;
+template <class, class, class> class _LIBCPP_VISIBLE set;
+template <class, class, class> class _LIBCPP_VISIBLE multiset;
 
 /*
 
@@ -61,7 +55,7 @@ __root, have a non-null __parent_ field.
 template <class _NodePtr>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-__tree_is_left_child(_NodePtr __x) _NOEXCEPT
+__tree_is_left_child(_NodePtr __x)
 {
     return __x == __x->__parent_->__left_;
 }
@@ -127,7 +121,7 @@ __tree_invariant(_NodePtr __root)
 template <class _NodePtr>
 inline _LIBCPP_INLINE_VISIBILITY
 _NodePtr
-__tree_min(_NodePtr __x) _NOEXCEPT
+__tree_min(_NodePtr __x)
 {
     while (__x->__left_ != nullptr)
         __x = __x->__left_;
@@ -139,7 +133,7 @@ __tree_min(_NodePtr __x) _NOEXCEPT
 template <class _NodePtr>
 inline _LIBCPP_INLINE_VISIBILITY
 _NodePtr
-__tree_max(_NodePtr __x) _NOEXCEPT
+__tree_max(_NodePtr __x)
 {
     while (__x->__right_ != nullptr)
         __x = __x->__right_;
@@ -150,7 +144,7 @@ __tree_max(_NodePtr __x) _NOEXCEPT
 // Precondition:  __x != nullptr.
 template <class _NodePtr>
 _NodePtr
-__tree_next(_NodePtr __x) _NOEXCEPT
+__tree_next(_NodePtr __x)
 {
     if (__x->__right_ != nullptr)
         return __tree_min(__x->__right_);
@@ -163,7 +157,7 @@ __tree_next(_NodePtr __x) _NOEXCEPT
 // Precondition:  __x != nullptr.
 template <class _NodePtr>
 _NodePtr
-__tree_prev(_NodePtr __x) _NOEXCEPT
+__tree_prev(_NodePtr __x)
 {
     if (__x->__left_ != nullptr)
         return __tree_max(__x->__left_);
@@ -176,7 +170,7 @@ __tree_prev(_NodePtr __x) _NOEXCEPT
 // Precondition:  __x != nullptr.
 template <class _NodePtr>
 _NodePtr
-__tree_leaf(_NodePtr __x) _NOEXCEPT
+__tree_leaf(_NodePtr __x)
 {
     while (true)
     {
@@ -200,7 +194,7 @@ __tree_leaf(_NodePtr __x) _NOEXCEPT
 // Precondition:  __x->__right_ != nullptr
 template <class _NodePtr>
 void
-__tree_left_rotate(_NodePtr __x) _NOEXCEPT
+__tree_left_rotate(_NodePtr __x)
 {
     _NodePtr __y = __x->__right_;
     __x->__right_ = __y->__left_;
@@ -220,7 +214,7 @@ __tree_left_rotate(_NodePtr __x) _NOEXCEPT
 // Precondition:  __x->__left_ != nullptr
 template <class _NodePtr>
 void
-__tree_right_rotate(_NodePtr __x) _NOEXCEPT
+__tree_right_rotate(_NodePtr __x)
 {
     _NodePtr __y = __x->__left_;
     __x->__left_ = __y->__right_;
@@ -245,7 +239,7 @@ __tree_right_rotate(_NodePtr __x) _NOEXCEPT
 //                may be different than the value passed in as __root.
 template <class _NodePtr>
 void
-__tree_balance_after_insert(_NodePtr __root, _NodePtr __x) _NOEXCEPT
+__tree_balance_after_insert(_NodePtr __root, _NodePtr __x)
 {
     __x->__is_black_ = __x == __root;
     while (__x != __root && !__x->__parent_->__is_black_)
@@ -315,7 +309,7 @@ __tree_balance_after_insert(_NodePtr __root, _NodePtr __x) _NOEXCEPT
 //                may be different than the value passed in as __root.
 template <class _NodePtr>
 void
-__tree_remove(_NodePtr __root, _NodePtr __z) _NOEXCEPT
+__tree_remove(_NodePtr __root, _NodePtr __z)
 {
     // __z will be removed from the tree.  Client still needs to destruct/deallocate it
     // __y is either __z, or if __z has two children, __tree_next(__z).
@@ -500,7 +494,7 @@ __tree_remove(_NodePtr __root, _NodePtr __z) _NOEXCEPT
     }
 }
 
-template <class _Allocator> class __map_node_destructor;
+template <class> class __map_node_destructor;
 
 template <class _Allocator>
 class __tree_node_destructor
@@ -520,16 +514,16 @@ public:
     bool __value_constructed;
 
     _LIBCPP_INLINE_VISIBILITY
-    explicit __tree_node_destructor(allocator_type& __na) _NOEXCEPT
+    explicit __tree_node_destructor(allocator_type& __na)
         : __na_(__na),
           __value_constructed(false)
         {}
 
     _LIBCPP_INLINE_VISIBILITY
-    void operator()(pointer __p) _NOEXCEPT
+    void operator()(pointer __p)
     {
         if (__value_constructed)
-            __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_));
+            __alloc_traits::destroy(__na_, _STD::addressof(__p->__value_));
         if (__p)
             __alloc_traits::deallocate(__na_, __p, 1);
     }
@@ -547,7 +541,7 @@ public:
     pointer __left_;
 
     _LIBCPP_INLINE_VISIBILITY
-    __tree_end_node() _NOEXCEPT : __left_() {}
+    __tree_end_node() : __left_() {}
 };
 
 template <class _VoidPtr>
@@ -586,8 +580,7 @@ public:
     bool __is_black_;
 
     _LIBCPP_INLINE_VISIBILITY
-    __tree_node_base() _NOEXCEPT
-        : __right_(), __parent_(), __is_black_(false) {}
+    __tree_node_base() : __right_(), __parent_(), __is_black_(false) {}
 };
 
 template <class _Tp, class _VoidPtr>
@@ -604,7 +597,7 @@ public:
     template <class ..._Args>
         _LIBCPP_INLINE_VISIBILITY
         explicit __tree_node(_Args&& ...__args)
-            : __value_(_VSTD::forward<_Args>(__args)...) {}
+            : __value_(_STD::forward<_Args>(__args)...) {}
 #else  // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS)
     _LIBCPP_INLINE_VISIBILITY
     explicit __tree_node(const value_type& __v)
@@ -612,8 +605,8 @@ public:
 #endif  // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS)
 };
 
-template <class _TreeIterator> class __map_iterator;
-template <class _TreeIterator> class __map_const_iterator;
+template <class> class __map_iterator;
+template <class> class __map_const_iterator;
 
 template <class _Tp, class _NodePtr, class _DiffType>
 class _LIBCPP_VISIBLE __tree_iterator
@@ -639,7 +632,7 @@ public:
 #endif
                                        pointer;
 
-    _LIBCPP_INLINE_VISIBILITY __tree_iterator() _NOEXCEPT {}
+    _LIBCPP_INLINE_VISIBILITY __tree_iterator() {}
 
     _LIBCPP_INLINE_VISIBILITY reference operator*() const {return __ptr_->__value_;}
     _LIBCPP_INLINE_VISIBILITY pointer operator->() const {return &__ptr_->__value_;}
@@ -669,7 +662,7 @@ public:
 
 private:
     _LIBCPP_INLINE_VISIBILITY
-    explicit __tree_iterator(__node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
+    explicit __tree_iterator(__node_pointer __p) : __ptr_(__p) {}
     template <class, class, class> friend class __tree;
     template <class, class, class> friend class _LIBCPP_VISIBLE __tree_const_iterator;
     template <class> friend class _LIBCPP_VISIBLE __map_iterator;
@@ -723,8 +716,7 @@ private:
                                                  __non_const_iterator;
 public:
     _LIBCPP_INLINE_VISIBILITY
-    __tree_const_iterator(__non_const_iterator __p) _NOEXCEPT
-        : __ptr_(__p.__ptr_) {}
+    __tree_const_iterator(__non_const_iterator __p) : __ptr_(__p.__ptr_) {}
 
     _LIBCPP_INLINE_VISIBILITY reference operator*() const {return __ptr_->__value_;}
     _LIBCPP_INLINE_VISIBILITY pointer operator->() const {return &__ptr_->__value_;}
@@ -754,8 +746,7 @@ public:
 
 private:
     _LIBCPP_INLINE_VISIBILITY
-    explicit __tree_const_iterator(__node_pointer __p) _NOEXCEPT
-        : __ptr_(__p) {}
+    explicit __tree_const_iterator(__node_pointer __p) : __ptr_(__p) {}
     template <class, class, class> friend class __tree;
     template <class, class, class, class> friend class _LIBCPP_VISIBLE map;
     template <class, class, class, class> friend class _LIBCPP_VISIBLE multimap;
@@ -778,7 +769,6 @@ public:
     typedef typename __alloc_traits::difference_type difference_type;
 
     typedef __tree_node<value_type, typename __alloc_traits::void_pointer> __node;
-    typedef __tree_node_base<typename __alloc_traits::void_pointer> __node_base;
     typedef typename __alloc_traits::template
 #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
             rebind_alloc<__node>
@@ -789,10 +779,10 @@ public:
     typedef allocator_traits<__node_allocator>       __node_traits;
     typedef typename __node_traits::pointer          __node_pointer;
     typedef typename __node_traits::const_pointer    __node_const_pointer;
-    typedef typename __node_base::pointer            __node_base_pointer;
-    typedef typename __node_base::const_pointer      __node_base_const_pointer;
+    typedef typename __node::base::pointer           __node_base_pointer;
+    typedef typename __node::base::const_pointer     __node_base_const_pointer;
 private:
-    typedef typename __node_base::base __end_node_t;
+    typedef typename __node::base::base __end_node_t;
     typedef typename pointer_traits<__node_pointer>::template
 #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
             rebind<__end_node_t>
@@ -814,7 +804,7 @@ private:
 
 public:
     _LIBCPP_INLINE_VISIBILITY
-    __node_pointer __end_node() _NOEXCEPT
+    __node_pointer __end_node()
     {
         return static_cast<__node_pointer>
                (
@@ -822,7 +812,7 @@ public:
                );
     }
     _LIBCPP_INLINE_VISIBILITY
-    __node_const_pointer __end_node() const _NOEXCEPT
+    __node_const_pointer __end_node() const
     {
         return static_cast<__node_const_pointer>
                (
@@ -830,45 +820,39 @@ public:
                );
     }
     _LIBCPP_INLINE_VISIBILITY
-          __node_allocator& __node_alloc() _NOEXCEPT {return __pair1_.second();}
+          __node_allocator& __node_alloc()       {return __pair1_.second();}
 private:
     _LIBCPP_INLINE_VISIBILITY
-    const __node_allocator& __node_alloc() const _NOEXCEPT
-        {return __pair1_.second();}
+    const __node_allocator& __node_alloc() const {return __pair1_.second();}
     _LIBCPP_INLINE_VISIBILITY
-          __node_pointer& __begin_node() _NOEXCEPT {return __begin_node_;}
+          __node_pointer& __begin_node()         {return __begin_node_;}
     _LIBCPP_INLINE_VISIBILITY
-    const __node_pointer& __begin_node() const _NOEXCEPT {return __begin_node_;}
+    const __node_pointer& __begin_node()   const {return __begin_node_;}
 public:
     _LIBCPP_INLINE_VISIBILITY
-    allocator_type __alloc() const _NOEXCEPT
-        {return allocator_type(__node_alloc());}
+    allocator_type __alloc() const {return allocator_type(__node_alloc());}
 private:
     _LIBCPP_INLINE_VISIBILITY
-          size_type& size() _NOEXCEPT {return __pair3_.first();}
+          size_type& size()                      {return __pair3_.first();}
 public:
     _LIBCPP_INLINE_VISIBILITY
-    const size_type& size() const _NOEXCEPT {return __pair3_.first();}
+    const size_type& size()                const {return __pair3_.first();}
     _LIBCPP_INLINE_VISIBILITY
-          value_compare& value_comp() _NOEXCEPT {return __pair3_.second();}
+          value_compare& value_comp()            {return __pair3_.second();}
     _LIBCPP_INLINE_VISIBILITY
-    const value_compare& value_comp() const _NOEXCEPT
-        {return __pair3_.second();}
+    const value_compare& value_comp()      const {return __pair3_.second();}
 public:
     _LIBCPP_INLINE_VISIBILITY
-    __node_pointer __root() _NOEXCEPT
+    __node_pointer       __root()
         {return static_cast<__node_pointer>      (__end_node()->__left_);}
     _LIBCPP_INLINE_VISIBILITY
-    __node_const_pointer __root() const _NOEXCEPT
+    __node_const_pointer __root() const
         {return static_cast<__node_const_pointer>(__end_node()->__left_);}
 
     typedef __tree_iterator<value_type, __node_pointer, difference_type>             iterator;
     typedef __tree_const_iterator<value_type, __node_const_pointer, difference_type> const_iterator;
 
-    explicit __tree(const value_compare& __comp)
-        _NOEXCEPT_(
-            is_nothrow_default_constructible<__node_allocator>::value &&
-            is_nothrow_copy_constructible<value_compare>::value);
+    explicit __tree(const value_compare& __comp);
     explicit __tree(const allocator_type& __a);
     __tree(const value_compare& __comp, const allocator_type& __a);
     __tree(const __tree& __t);
@@ -878,40 +862,28 @@ public:
     template <class _InputIterator>
         void __assign_multi(_InputIterator __first, _InputIterator __last);
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    __tree(__tree&& __t)
-        _NOEXCEPT_(
-            is_nothrow_move_constructible<__node_allocator>::value &&
-            is_nothrow_move_constructible<value_compare>::value);
+    __tree(__tree&& __t);
     __tree(__tree&& __t, const allocator_type& __a);
-    __tree& operator=(__tree&& __t)
-        _NOEXCEPT_(
-            __node_traits::propagate_on_container_move_assignment::value &&
-            is_nothrow_move_assignable<value_compare>::value &&
-            is_nothrow_move_assignable<__node_allocator>::value);
+    __tree& operator=(__tree&& __t);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     ~__tree();
 
     _LIBCPP_INLINE_VISIBILITY
-          iterator begin()  _NOEXCEPT {return       iterator(__begin_node());}
+          iterator begin()       {return       iterator(__begin_node());}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator begin() const _NOEXCEPT {return const_iterator(__begin_node());}
+    const_iterator begin() const {return const_iterator(__begin_node());}
     _LIBCPP_INLINE_VISIBILITY
-          iterator end() _NOEXCEPT {return       iterator(__end_node());}
+          iterator end()         {return       iterator(__end_node());}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator end() const _NOEXCEPT {return const_iterator(__end_node());}
+    const_iterator end()   const {return const_iterator(__end_node());}
 
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_size() const _NOEXCEPT
-        {return __node_traits::max_size(__node_alloc());}
+    size_type max_size() const {return __node_traits::max_size(__node_alloc());}
 
-    void clear() _NOEXCEPT;
+    void clear();
 
-    void swap(__tree& __t)
-        _NOEXCEPT_(
-            __is_nothrow_swappable<value_compare>::value &&
-            (!__node_traits::propagate_on_container_swap::value ||
-             __is_nothrow_swappable<__node_allocator>::value));
+    void swap(__tree& __t);
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 #ifndef _LIBCPP_HAS_NO_VARIADICS
@@ -1022,21 +994,21 @@ public:
     typedef __tree_node_destructor<__node_allocator> _D;
     typedef unique_ptr<__node, _D> __node_holder;
 
-    __node_holder remove(const_iterator __p) _NOEXCEPT;
+    __node_holder remove(const_iterator __p);
 private:
-    typename __node_base::pointer&
-        __find_leaf_low(typename __node_base::pointer& __parent, const value_type& __v);
-    typename __node_base::pointer&
-        __find_leaf_high(typename __node_base::pointer& __parent, const value_type& __v);
-    typename __node_base::pointer&
+    typename __node::base::pointer&
+        __find_leaf_low(typename __node::base::pointer& __parent, const value_type& __v);
+    typename __node::base::pointer&
+        __find_leaf_high(typename __node::base::pointer& __parent, const value_type& __v);
+    typename __node::base::pointer&
         __find_leaf(const_iterator __hint,
-                    typename __node_base::pointer& __parent, const value_type& __v);
+                    typename __node::base::pointer& __parent, const value_type& __v);
     template <class _Key>
-        typename __node_base::pointer&
-        __find_equal(typename __node_base::pointer& __parent, const _Key& __v);
+        typename __node::base::pointer&
+        __find_equal(typename __node::base::pointer& __parent, const _Key& __v);
     template <class _Key>
-        typename __node_base::pointer&
-        __find_equal(const_iterator __hint, typename __node_base::pointer& __parent,
+        typename __node::base::pointer&
+        __find_equal(const_iterator __hint, typename __node::base::pointer& __parent,
                      const _Key& __v);
 
 #if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS)
@@ -1046,7 +1018,7 @@ private:
         __node_holder __construct_node(const value_type& __v);
 #endif
 
-    void destroy(__node_pointer __nd) _NOEXCEPT;
+    void destroy(__node_pointer __nd);
 
     _LIBCPP_INLINE_VISIBILITY
     void __copy_assign_alloc(const __tree& __t)
@@ -1060,42 +1032,31 @@ private:
     void __copy_assign_alloc(const __tree& __t, false_type) {}
 
     void __move_assign(__tree& __t, false_type);
-    void __move_assign(__tree& __t, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<value_compare>::value &&
-                   is_nothrow_move_assignable<__node_allocator>::value);
+    void __move_assign(__tree& __t, true_type);
 
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(__tree& __t)
-        _NOEXCEPT_(
-            !__node_traits::propagate_on_container_move_assignment::value ||
-            is_nothrow_move_assignable<__node_allocator>::value)
         {__move_assign_alloc(__t, integral_constant<bool,
              __node_traits::propagate_on_container_move_assignment::value>());}
 
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(__tree& __t, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<__node_allocator>::value)
-        {__node_alloc() = _VSTD::move(__t.__node_alloc());}
+        {__node_alloc() = _STD::move(__t.__node_alloc());}
     _LIBCPP_INLINE_VISIBILITY
-    void __move_assign_alloc(__tree& __t, false_type) _NOEXCEPT {}
+    void __move_assign_alloc(__tree& __t, false_type) {}
 
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__node_allocator& __x, __node_allocator& __y)
-        _NOEXCEPT_(
-            !__node_traits::propagate_on_container_swap::value ||
-            __is_nothrow_swappable<__node_allocator>::value)
         {__swap_alloc(__x, __y, integral_constant<bool,
                       __node_traits::propagate_on_container_swap::value>());}
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__node_allocator& __x, __node_allocator& __y, true_type)
-        _NOEXCEPT_(__is_nothrow_swappable<__node_allocator>::value)
         {
-            using _VSTD::swap;
+            using _STD::swap;
             swap(__x, __y);
         }
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__node_allocator& __x, __node_allocator& __y, false_type)
-        _NOEXCEPT
         {}
 
     __node_pointer __detach();
@@ -1104,9 +1065,6 @@ private:
 
 template <class _Tp, class _Compare, class _Allocator>
 __tree<_Tp, _Compare, _Allocator>::__tree(const value_compare& __comp)
-        _NOEXCEPT_(
-            is_nothrow_default_constructible<__node_allocator>::value &&
-            is_nothrow_copy_constructible<value_compare>::value)
     : __pair3_(0, __comp)
 {
     __begin_node() = __end_node();
@@ -1281,12 +1239,9 @@ __tree<_Tp, _Compare, _Allocator>::__tree(const __tree& __t)
 
 template <class _Tp, class _Compare, class _Allocator>
 __tree<_Tp, _Compare, _Allocator>::__tree(__tree&& __t)
-    _NOEXCEPT_(
-        is_nothrow_move_constructible<__node_allocator>::value &&
-        is_nothrow_move_constructible<value_compare>::value)
-    : __begin_node_(_VSTD::move(__t.__begin_node_)),
-      __pair1_(_VSTD::move(__t.__pair1_)),
-      __pair3_(_VSTD::move(__t.__pair3_))
+    : __begin_node_(_STD::move(__t.__begin_node_)),
+      __pair1_(_STD::move(__t.__pair1_)),
+      __pair3_(_STD::move(__t.__pair3_))
 {
     if (size() == 0)
         __begin_node() = __end_node();
@@ -1302,7 +1257,7 @@ __tree<_Tp, _Compare, _Allocator>::__tree(__tree&& __t)
 template <class _Tp, class _Compare, class _Allocator>
 __tree<_Tp, _Compare, _Allocator>::__tree(__tree&& __t, const allocator_type& __a)
     : __pair1_(__node_allocator(__a)),
-      __pair3_(0, _VSTD::move(__t.value_comp()))
+      __pair3_(0, _STD::move(__t.value_comp()))
 {
     if (__a == __t.__alloc())
     {
@@ -1328,14 +1283,12 @@ __tree<_Tp, _Compare, _Allocator>::__tree(__tree&& __t, const allocator_type& __
 template <class _Tp, class _Compare, class _Allocator>
 void
 __tree<_Tp, _Compare, _Allocator>::__move_assign(__tree& __t, true_type)
-    _NOEXCEPT_(is_nothrow_move_assignable<value_compare>::value &&
-               is_nothrow_move_assignable<__node_allocator>::value)
 {
     destroy(static_cast<__node_pointer>(__end_node()->__left_));
     __begin_node_ = __t.__begin_node_;
     __pair1_.first() = __t.__pair1_.first();
     __move_assign_alloc(__t);
-    __pair3_ = _VSTD::move(__t.__pair3_);
+    __pair3_ = _STD::move(__t.__pair3_);
     if (size() == 0)
         __begin_node() = __end_node();
     else
@@ -1355,7 +1308,7 @@ __tree<_Tp, _Compare, _Allocator>::__move_assign(__tree& __t, false_type)
         __move_assign(__t, true_type());
     else
     {
-        value_comp() = _VSTD::move(__t.value_comp());
+        value_comp() = _STD::move(__t.value_comp());
         const_iterator __e = end();
         if (size() != 0)
         {
@@ -1366,7 +1319,7 @@ __tree<_Tp, _Compare, _Allocator>::__move_assign(__tree& __t, false_type)
 #endif  // _LIBCPP_NO_EXCEPTIONS
                 while (__cache != nullptr && __t.size() != 0)
                 {
-                    __cache->__value_ = _VSTD::move(__t.remove(__t.begin())->__value_);
+                    __cache->__value_ = _STD::move(__t.remove(__t.begin())->__value_);
                     __node_pointer __next = __detach(__cache);
                     __node_insert_multi(__cache);
                     __cache = __next;
@@ -1389,18 +1342,13 @@ __tree<_Tp, _Compare, _Allocator>::__move_assign(__tree& __t, false_type)
             }
         }
         while (__t.size() != 0)
-            __insert_multi(__e, _VSTD::move(__t.remove(__t.begin())->__value_));
+            __insert_multi(__e, _STD::move(__t.remove(__t.begin())->__value_));
     }
 }
 
 template <class _Tp, class _Compare, class _Allocator>
 __tree<_Tp, _Compare, _Allocator>&
 __tree<_Tp, _Compare, _Allocator>::operator=(__tree&& __t)
-    _NOEXCEPT_(
-        __node_traits::propagate_on_container_move_assignment::value &&
-        is_nothrow_move_assignable<value_compare>::value &&
-        is_nothrow_move_assignable<__node_allocator>::value)
-        
 {
     __move_assign(__t, integral_constant<bool,
                   __node_traits::propagate_on_container_move_assignment::value>());
@@ -1417,14 +1365,14 @@ __tree<_Tp, _Compare, _Allocator>::~__tree()
 
 template <class _Tp, class _Compare, class _Allocator>
 void
-__tree<_Tp, _Compare, _Allocator>::destroy(__node_pointer __nd) _NOEXCEPT
+__tree<_Tp, _Compare, _Allocator>::destroy(__node_pointer __nd)
 {
     if (__nd != nullptr)
     {
         destroy(static_cast<__node_pointer>(__nd->__left_));
         destroy(static_cast<__node_pointer>(__nd->__right_));
         __node_allocator& __na = __node_alloc();
-        __node_traits::destroy(__na, _VSTD::addressof(__nd->__value_));
+        __node_traits::destroy(__na, _STD::addressof(__nd->__value_));
         __node_traits::deallocate(__na, __nd, 1);
     }
 }
@@ -1432,12 +1380,8 @@ __tree<_Tp, _Compare, _Allocator>::destroy(__node_pointer __nd) _NOEXCEPT
 template <class _Tp, class _Compare, class _Allocator>
 void
 __tree<_Tp, _Compare, _Allocator>::swap(__tree& __t)
-    _NOEXCEPT_(
-        __is_nothrow_swappable<value_compare>::value &&
-        (!__node_traits::propagate_on_container_swap::value ||
-         __is_nothrow_swappable<__node_allocator>::value))
 {
-    using _VSTD::swap;
+    using _STD::swap;
     swap(__begin_node_, __t.__begin_node_);
     swap(__pair1_.first(), __t.__pair1_.first());
     __swap_alloc(__node_alloc(), __t.__node_alloc());
@@ -1454,7 +1398,7 @@ __tree<_Tp, _Compare, _Allocator>::swap(__tree& __t)
 
 template <class _Tp, class _Compare, class _Allocator>
 void
-__tree<_Tp, _Compare, _Allocator>::clear() _NOEXCEPT
+__tree<_Tp, _Compare, _Allocator>::clear()
 {
     destroy(__root());
     size() = 0;
@@ -1466,8 +1410,8 @@ __tree<_Tp, _Compare, _Allocator>::clear() _NOEXCEPT
 // Set __parent to parent of null leaf
 // Return reference to null leaf
 template <class _Tp, class _Compare, class _Allocator>
-typename __tree<_Tp, _Compare, _Allocator>::__node_base::pointer&
-__tree<_Tp, _Compare, _Allocator>::__find_leaf_low(typename __node_base::pointer& __parent,
+typename __tree<_Tp, _Compare, _Allocator>::__node::base::pointer&
+__tree<_Tp, _Compare, _Allocator>::__find_leaf_low(typename __node::base::pointer& __parent,
                                                    const value_type& __v)
 {
     __node_pointer __nd = __root();
@@ -1505,8 +1449,8 @@ __tree<_Tp, _Compare, _Allocator>::__find_leaf_low(typename __node_base::pointer
 // Set __parent to parent of null leaf
 // Return reference to null leaf
 template <class _Tp, class _Compare, class _Allocator>
-typename __tree<_Tp, _Compare, _Allocator>::__node_base::pointer&
-__tree<_Tp, _Compare, _Allocator>::__find_leaf_high(typename __node_base::pointer& __parent,
+typename __tree<_Tp, _Compare, _Allocator>::__node::base::pointer&
+__tree<_Tp, _Compare, _Allocator>::__find_leaf_high(typename __node::base::pointer& __parent,
                                                     const value_type& __v)
 {
     __node_pointer __nd = __root();
@@ -1547,9 +1491,9 @@ __tree<_Tp, _Compare, _Allocator>::__find_leaf_high(typename __node_base::pointe
 // Set __parent to parent of null leaf
 // Return reference to null leaf
 template <class _Tp, class _Compare, class _Allocator>
-typename __tree<_Tp, _Compare, _Allocator>::__node_base::pointer&
+typename __tree<_Tp, _Compare, _Allocator>::__node::base::pointer&
 __tree<_Tp, _Compare, _Allocator>::__find_leaf(const_iterator __hint,
-                                               typename __node_base::pointer& __parent,
+                                               typename __node::base::pointer& __parent,
                                                const value_type& __v)
 {
     if (__hint == end() || !value_comp()(*__hint, __v))  // check before
@@ -1583,8 +1527,8 @@ __tree<_Tp, _Compare, _Allocator>::__find_leaf(const_iterator __hint,
 // If __v exists, set parent to node of __v and return reference to node of __v
 template <class _Tp, class _Compare, class _Allocator>
 template <class _Key>
-typename __tree<_Tp, _Compare, _Allocator>::__node_base::pointer&
-__tree<_Tp, _Compare, _Allocator>::__find_equal(typename __node_base::pointer& __parent,
+typename __tree<_Tp, _Compare, _Allocator>::__node::base::pointer&
+__tree<_Tp, _Compare, _Allocator>::__find_equal(typename __node::base::pointer& __parent,
                                                 const _Key& __v)
 {
     __node_pointer __nd = __root();
@@ -1632,9 +1576,9 @@ __tree<_Tp, _Compare, _Allocator>::__find_equal(typename __node_base::pointer& _
 // If __v exists, set parent to node of __v and return reference to node of __v
 template <class _Tp, class _Compare, class _Allocator>
 template <class _Key>
-typename __tree<_Tp, _Compare, _Allocator>::__node_base::pointer&
+typename __tree<_Tp, _Compare, _Allocator>::__node::base::pointer&
 __tree<_Tp, _Compare, _Allocator>::__find_equal(const_iterator __hint,
-                                                typename __node_base::pointer& __parent,
+                                                typename __node::base::pointer& __parent,
                                                 const _Key& __v)
 {
     if (__hint == end() || value_comp()(__v, *__hint))  // check before
@@ -1661,10 +1605,10 @@ __tree<_Tp, _Compare, _Allocator>::__find_equal(const_iterator __hint,
     else if (value_comp()(*__hint, __v))  // check after
     {
         // *__hint < __v
-        const_iterator __next = _VSTD::next(__hint);
+        const_iterator __next = _STD::next(__hint);
         if (__next == end() || value_comp()(__v, *__next))
         {
-            // *__hint < __v < *_VSTD::next(__hint)
+            // *__hint < __v < *next(__hint)
             if (__hint.__ptr_->__right_ == nullptr)
             {
                 __parent = const_cast<__node_pointer&>(__hint.__ptr_);
@@ -1710,7 +1654,7 @@ __tree<_Tp, _Compare, _Allocator>::__construct_node(_Args&& ...__args)
 {
     __node_allocator& __na = __node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_), _VSTD::forward<_Args>(__args)...);
+    __node_traits::construct(__na, _STD::addressof(__h->__value_), _STD::forward<_Args>(__args)...);
     __h.get_deleter().__value_constructed = true;
     return __h;
 }
@@ -1720,7 +1664,7 @@ template <class... _Args>
 pair<typename __tree<_Tp, _Compare, _Allocator>::iterator, bool>
 __tree<_Tp, _Compare, _Allocator>::__emplace_unique(_Args&&... __args)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_Args>(__args)...);
+    __node_holder __h = __construct_node(_STD::forward<_Args>(__args)...);
     __node_base_pointer __parent;
     __node_base_pointer& __child = __find_equal(__parent, __h->__value_);
     __node_pointer __r = static_cast<__node_pointer>(__child);
@@ -1739,7 +1683,7 @@ template <class... _Args>
 typename __tree<_Tp, _Compare, _Allocator>::iterator
 __tree<_Tp, _Compare, _Allocator>::__emplace_hint_unique(const_iterator __p, _Args&&... __args)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_Args>(__args)...);
+    __node_holder __h = __construct_node(_STD::forward<_Args>(__args)...);
     __node_base_pointer __parent;
     __node_base_pointer& __child = __find_equal(__p, __parent, __h->__value_);
     __node_pointer __r = static_cast<__node_pointer>(__child);
@@ -1756,7 +1700,7 @@ template <class... _Args>
 typename __tree<_Tp, _Compare, _Allocator>::iterator
 __tree<_Tp, _Compare, _Allocator>::__emplace_multi(_Args&&... __args)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_Args>(__args)...);
+    __node_holder __h = __construct_node(_STD::forward<_Args>(__args)...);
     __node_base_pointer __parent;
     __node_base_pointer& __child = __find_leaf_high(__parent, __h->__value_);
     __insert_node_at(__parent, __child, __h.get());
@@ -1769,7 +1713,7 @@ typename __tree<_Tp, _Compare, _Allocator>::iterator
 __tree<_Tp, _Compare, _Allocator>::__emplace_hint_multi(const_iterator __p,
                                                         _Args&&... __args)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_Args>(__args)...);
+    __node_holder __h = __construct_node(_STD::forward<_Args>(__args)...);
     __node_base_pointer __parent;
     __node_base_pointer& __child = __find_leaf(__p, __parent, __h->__value_);
     __insert_node_at(__parent, __child, __h.get());
@@ -1783,7 +1727,7 @@ template <class _V>
 pair<typename __tree<_Tp, _Compare, _Allocator>::iterator, bool>
 __tree<_Tp, _Compare, _Allocator>::__insert_unique(_V&& __v)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_V>(__v));
+    __node_holder __h = __construct_node(_STD::forward<_V>(__v));
     pair<iterator, bool> __r = __node_insert_unique(__h.get());
     if (__r.second)
         __h.release();
@@ -1795,7 +1739,7 @@ template <class _V>
 typename __tree<_Tp, _Compare, _Allocator>::iterator
 __tree<_Tp, _Compare, _Allocator>::__insert_unique(const_iterator __p, _V&& __v)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_V>(__v));
+    __node_holder __h = __construct_node(_STD::forward<_V>(__v));
     iterator __r = __node_insert_unique(__p, __h.get());
     if (__r.__ptr_ == __h.get())
         __h.release();
@@ -1807,7 +1751,7 @@ template <class _V>
 typename __tree<_Tp, _Compare, _Allocator>::iterator
 __tree<_Tp, _Compare, _Allocator>::__insert_multi(_V&& __v)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_V>(__v));
+    __node_holder __h = __construct_node(_STD::forward<_V>(__v));
     __node_base_pointer __parent;
     __node_base_pointer& __child = __find_leaf_high(__parent, __h->__value_);
     __insert_node_at(__parent, __child, __h.get());
@@ -1819,7 +1763,7 @@ template <class _V>
 typename __tree<_Tp, _Compare, _Allocator>::iterator
 __tree<_Tp, _Compare, _Allocator>::__insert_multi(const_iterator __p, _V&& __v)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_V>(__v));
+    __node_holder __h = __construct_node(_STD::forward<_V>(__v));
     __node_base_pointer __parent;
     __node_base_pointer& __child = __find_leaf(__p, __parent, __h->__value_);
     __insert_node_at(__parent, __child, __h.get());
@@ -1834,9 +1778,9 @@ __tree<_Tp, _Compare, _Allocator>::__construct_node(const value_type& __v)
 {
     __node_allocator& __na = __node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_), __v);
+    __node_traits::construct(__na, _STD::addressof(__h->__value_), __v);
     __h.get_deleter().__value_constructed = true;
-    return _VSTD::move(__h);
+    return _STD::move(__h);
 }
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -1962,7 +1906,7 @@ __tree<_Tp, _Compare, _Allocator>::erase(const_iterator __p)
         __begin_node() = __r.__ptr_;
     --size();
     __node_allocator& __na = __node_alloc();
-    __node_traits::destroy(__na, const_cast<value_type*>(_VSTD::addressof(*__p)));
+    __node_traits::destroy(__na, const_cast<value_type*>(_STD::addressof(*__p)));
     __tree_remove(__end_node()->__left_,
                   static_cast<__node_base_pointer>(__np));
     __node_traits::deallocate(__na, __np, 1);
@@ -2064,7 +2008,7 @@ __tree<_Tp, _Compare, _Allocator>::__count_multi(const _Key& __k) const
         else if (value_comp()(__rt->__value_, __k))
             __rt = static_cast<__node_const_pointer>(__rt->__right_);
         else
-            return _VSTD::distance(
+            return _STD::distance(
                 __lower_bound(__k, static_cast<__node_const_pointer>(__rt->__left_), __rt),
                 __upper_bound(__k, static_cast<__node_const_pointer>(__rt->__right_), __result)
             );
@@ -2260,7 +2204,7 @@ __tree<_Tp, _Compare, _Allocator>::__equal_range_multi(const _Key& __k) const
 
 template <class _Tp, class _Compare, class _Allocator>
 typename __tree<_Tp, _Compare, _Allocator>::__node_holder
-__tree<_Tp, _Compare, _Allocator>::remove(const_iterator __p) _NOEXCEPT
+__tree<_Tp, _Compare, _Allocator>::remove(const_iterator __p)
 {
     __node_pointer __np = const_cast<__node_pointer>(__p.__ptr_);
     if (__begin_node() == __np)
@@ -2276,16 +2220,6 @@ __tree<_Tp, _Compare, _Allocator>::remove(const_iterator __p) _NOEXCEPT
     return __node_holder(__np, _D(__node_alloc()));
 }
 
-template <class _Tp, class _Compare, class _Allocator>
-inline _LIBCPP_INLINE_VISIBILITY
-void
-swap(__tree<_Tp, _Compare, _Allocator>& __x,
-     __tree<_Tp, _Compare, _Allocator>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
-{
-    __x.swap(__y);
-}
-
 _LIBCPP_END_NAMESPACE_STD
 
 #endif  // _LIBCPP___TREE

include/__tuple

@@ -78,39 +78,39 @@ template <class _Tp, size_t _Size> struct __tuple_like<array<_Tp, _Size> > : tru
 
 template <size_t _Ip, class ..._Tp>
 typename tuple_element<_Ip, tuple<_Tp...> >::type&
-get(tuple<_Tp...>&) _NOEXCEPT;
+get(tuple<_Tp...>&);
 
 template <size_t _Ip, class ..._Tp>
 const typename tuple_element<_Ip, tuple<_Tp...> >::type&
-get(const tuple<_Tp...>&) _NOEXCEPT;
+get(const tuple<_Tp...>&);
 
 template <size_t _Ip, class ..._Tp>
 typename tuple_element<_Ip, tuple<_Tp...> >::type&&
-get(tuple<_Tp...>&&) _NOEXCEPT;
+get(tuple<_Tp...>&&);
 
 template <size_t _Ip, class _T1, class _T2>
 typename tuple_element<_Ip, pair<_T1, _T2> >::type&
-get(pair<_T1, _T2>&) _NOEXCEPT;
+get(pair<_T1, _T2>&);
 
 template <size_t _Ip, class _T1, class _T2>
 const typename tuple_element<_Ip, pair<_T1, _T2> >::type&
-get(const pair<_T1, _T2>&) _NOEXCEPT;
+get(const pair<_T1, _T2>&);
 
 template <size_t _Ip, class _T1, class _T2>
 typename tuple_element<_Ip, pair<_T1, _T2> >::type&&
-get(pair<_T1, _T2>&&) _NOEXCEPT;
+get(pair<_T1, _T2>&&);
 
 template <size_t _Ip, class _Tp, size_t _Size>
 _Tp&
-get(array<_Tp, _Size>&) _NOEXCEPT;
+get(array<_Tp, _Size>&);
 
 template <size_t _Ip, class _Tp, size_t _Size>
 const _Tp&
-get(const array<_Tp, _Size>&) _NOEXCEPT;
+get(const array<_Tp, _Size>&);
 
 template <size_t _Ip, class _Tp, size_t _Size>
 _Tp&&
-get(array<_Tp, _Size>&&) _NOEXCEPT;
+get(array<_Tp, _Size>&&);
 
 // __make_tuple_indices
 
@@ -214,7 +214,11 @@ struct __tuple_convertible_imp : public false_type {};
 template <class _Tp0, class ..._Tp, class _Up0, class ..._Up>
 struct __tuple_convertible_imp<true, __tuple_types<_Tp0, _Tp...>, __tuple_types<_Up0, _Up...> >
     : public integral_constant<bool,
+#if 1 // waiting on cwg 1170
+                               is_convertible<_Tp0, _Up0>::value &&
+#else
                                is_constructible<_Up0, _Tp0>::value &&
+#endif
                                __tuple_convertible_imp<true, __tuple_types<_Tp...>, __tuple_types<_Up...> >::value> {};
 
 template <>

include/array

@@ -34,28 +34,28 @@ struct array
 
     // No explicit construct/copy/destroy for aggregate type
     void fill(const T& u);
-    void swap(array& a) noexcept(noexcept(swap(declval<T&>(), declval<T&>())));
+    void swap(array& a);
 
     // iterators:
-    iterator begin() noexcept;
-    const_iterator begin() const noexcept;
-    iterator end() noexcept;
-    const_iterator end() const noexcept;
+    iterator begin();
+    const_iterator begin() const;
+    iterator end();
+    const_iterator end() const;
 
-    reverse_iterator rbegin() noexcept;
-    const_reverse_iterator rbegin() const noexcept;
-    reverse_iterator rend() noexcept;
-    const_reverse_iterator rend() const noexcept;
+    reverse_iterator rbegin();
+    const_reverse_iterator rbegin() const;
+    reverse_iterator rend();
+    const_reverse_iterator rend() const;
 
-    const_iterator cbegin() const noexcept;
-    const_iterator cend() const noexcept;
-    const_reverse_iterator crbegin() const noexcept;
-    const_reverse_iterator crend() const noexcept;
+    const_iterator cbegin() const;
+    const_iterator cend() const;
+    const_reverse_iterator crbegin() const;
+    const_reverse_iterator crend() const;
 
     // capacity:
-    constexpr size_type size() const noexcept;
-    constexpr size_type max_size() const noexcept;
-    bool empty() const noexcept;
+    constexpr size_type size() const;
+    constexpr size_type max_size() const;
+    bool empty() const;
 
     // element access:
     reference operator[](size_type n);
@@ -68,8 +68,8 @@ struct array
     reference back();
     const_reference back() const;
 
-    T* data() noexcept;
-    const T* data() const noexcept;
+    T* data();
+    const T* data() const;
 };
 
 template <class T, size_t N>
@@ -86,15 +86,15 @@ template <class T, size_t N>
   bool operator>=(const array<T,N>& x, const array<T,N>& y);
 
 template <class T, size_t N >
-  void swap(array<T,N>& x, array<T,N>& y) noexcept(noexcept(x.swap(y)));
+  void swap(array<T,N>& x, array<T,N>& y);
 
 template <class T> class tuple_size;
 template <int I, class T> class tuple_element;
 template <class T, size_t N> struct tuple_size<array<T, N>>;
 template <int I, class T, size_t N> struct tuple_element<I, array<T, N>>;
-template <int I, class T, size_t N> T& get(array<T, N>&) noexcept;
-template <int I, class T, size_t N> const T& get(const array<T, N>&) noexcept;
-template <int I, class T, size_t N> T&& get(array<T, N>&&) noexcept;
+template <int I, class T, size_t N> T& get(array<T, N>&);
+template <int I, class T, size_t N> const T& get(const array<T, N>&);
+template <int I, class T, size_t N> T&& get(array<T, N>&&);
 
 }  // std
 
@@ -136,46 +136,30 @@ struct _LIBCPP_VISIBLE array
 
     // No explicit construct/copy/destroy for aggregate type
     _LIBCPP_INLINE_VISIBILITY void fill(const value_type& __u)
-        {_VSTD::fill_n(__elems_, _Size, __u);}
-    _LIBCPP_INLINE_VISIBILITY
-    void swap(array& __a) _NOEXCEPT_(__is_nothrow_swappable<_Tp>::value)
-        {_VSTD::swap_ranges(__elems_, __elems_ + _Size, __a.__elems_);}
+        {_STD::fill_n(__elems_, _Size, __u);}
+    _LIBCPP_INLINE_VISIBILITY void swap(array& __a)
+        {_STD::swap_ranges(__elems_, __elems_ + _Size, __a.__elems_);}
 
     // iterators:
-    _LIBCPP_INLINE_VISIBILITY
-    iterator begin() _NOEXCEPT {return iterator(__elems_);}
-    _LIBCPP_INLINE_VISIBILITY
-    const_iterator begin() const _NOEXCEPT {return const_iterator(__elems_);}
-    _LIBCPP_INLINE_VISIBILITY
-    iterator end() _NOEXCEPT {return iterator(__elems_ + _Size);}
-    _LIBCPP_INLINE_VISIBILITY
-    const_iterator end() const _NOEXCEPT {return const_iterator(__elems_ + _Size);}
+    _LIBCPP_INLINE_VISIBILITY iterator begin()             {return iterator(__elems_);}
+    _LIBCPP_INLINE_VISIBILITY const_iterator begin() const {return const_iterator(__elems_);}
+    _LIBCPP_INLINE_VISIBILITY iterator end()               {return iterator(__elems_ + _Size);}
+    _LIBCPP_INLINE_VISIBILITY const_iterator end() const   {return const_iterator(__elems_ + _Size);}
 
-    _LIBCPP_INLINE_VISIBILITY
-    reverse_iterator rbegin() _NOEXCEPT {return reverse_iterator(end());}
-    _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator rbegin() const _NOEXCEPT {return const_reverse_iterator(end());}
-    _LIBCPP_INLINE_VISIBILITY
-    reverse_iterator rend() _NOEXCEPT {return reverse_iterator(begin());}
-    _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator rend() const _NOEXCEPT {return const_reverse_iterator(begin());}
+    _LIBCPP_INLINE_VISIBILITY reverse_iterator rbegin()             {return reverse_iterator(end());}
+    _LIBCPP_INLINE_VISIBILITY const_reverse_iterator rbegin() const {return const_reverse_iterator(end());}
+    _LIBCPP_INLINE_VISIBILITY reverse_iterator rend()               {return reverse_iterator(begin());}
+    _LIBCPP_INLINE_VISIBILITY const_reverse_iterator rend() const   {return const_reverse_iterator(begin());}
 
-    _LIBCPP_INLINE_VISIBILITY
-    const_iterator cbegin() const _NOEXCEPT {return begin();}
-    _LIBCPP_INLINE_VISIBILITY
-    const_iterator cend() const _NOEXCEPT {return end();}
-    _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator crbegin() const _NOEXCEPT {return rbegin();}
-    _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator crend() const _NOEXCEPT {return rend();}
+    _LIBCPP_INLINE_VISIBILITY const_iterator cbegin() const          {return begin();}
+    _LIBCPP_INLINE_VISIBILITY const_iterator cend() const            {return end();}
+    _LIBCPP_INLINE_VISIBILITY const_reverse_iterator crbegin() const {return rbegin();}
+    _LIBCPP_INLINE_VISIBILITY const_reverse_iterator crend() const   {return rend();}
 
     // capacity:
-    _LIBCPP_INLINE_VISIBILITY
-    /*constexpr*/ size_type size() const _NOEXCEPT {return _Size;}
-    _LIBCPP_INLINE_VISIBILITY
-    /*constexpr*/ size_type max_size() const _NOEXCEPT {return _Size;}
-    _LIBCPP_INLINE_VISIBILITY
-    bool empty() const _NOEXCEPT {return _Size == 0;}
+    _LIBCPP_INLINE_VISIBILITY /*constexpr*/ size_type size() const      {return _Size;}
+    _LIBCPP_INLINE_VISIBILITY /*constexpr*/ size_type max_size() const  {return _Size;}
+    _LIBCPP_INLINE_VISIBILITY bool empty() const                    {return _Size == 0;}
 
     // element access:
     _LIBCPP_INLINE_VISIBILITY reference operator[](size_type __n)             {return __elems_[__n];}
@@ -188,10 +172,8 @@ struct _LIBCPP_VISIBLE array
     _LIBCPP_INLINE_VISIBILITY reference back()              {return __elems_[_Size > 0 ? _Size-1 : 0];}
     _LIBCPP_INLINE_VISIBILITY const_reference back() const  {return __elems_[_Size > 0 ? _Size-1 : 0];}
 
-    _LIBCPP_INLINE_VISIBILITY
-    value_type* data() _NOEXCEPT {return __elems_;}
-    _LIBCPP_INLINE_VISIBILITY
-    const value_type* data() const _NOEXCEPT {return __elems_;}
+    _LIBCPP_INLINE_VISIBILITY value_type* data()             {return __elems_;}
+    _LIBCPP_INLINE_VISIBILITY const value_type* data() const {return __elems_;}
 };
 
 template <class _Tp, size_t _Size>
@@ -225,7 +207,7 @@ _LIBCPP_INLINE_VISIBILITY inline
 bool
 operator==(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
 {
-    return _VSTD::equal(__x.__elems_, __x.__elems_ + _Size, __y.__elems_);
+    return _STD::equal(__x.__elems_, __x.__elems_ + _Size, __y.__elems_);
 }
 
 template <class _Tp, size_t _Size>
@@ -241,7 +223,7 @@ _LIBCPP_INLINE_VISIBILITY inline
 bool
 operator<(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
 {
-    return _VSTD::lexicographical_compare(__x.__elems_, __x.__elems_ + _Size, __y.__elems_, __y.__elems_ + _Size);
+    return _STD::lexicographical_compare(__x.__elems_, __x.__elems_ + _Size, __y.__elems_, __y.__elems_ + _Size);
 }
 
 template <class _Tp, size_t _Size>
@@ -270,13 +252,8 @@ operator>=(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
 
 template <class _Tp, size_t _Size>
 _LIBCPP_INLINE_VISIBILITY inline
-typename enable_if
-<
-    __is_swappable<_Tp>::value,
-    void
->::type
+void
 swap(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
-                                  _NOEXCEPT_(__is_nothrow_swappable<_Tp>::value)
 {
     __x.swap(__y);
 }
@@ -306,7 +283,7 @@ public:
 template <size_t _Ip, class _Tp, size_t _Size>
 _LIBCPP_INLINE_VISIBILITY inline
 _Tp&
-get(array<_Tp, _Size>& __a) _NOEXCEPT
+get(array<_Tp, _Size>& __a)
 {
     return __a[_Ip];
 }
@@ -314,7 +291,7 @@ get(array<_Tp, _Size>& __a) _NOEXCEPT
 template <size_t _Ip, class _Tp, size_t _Size>
 _LIBCPP_INLINE_VISIBILITY inline
 const _Tp&
-get(const array<_Tp, _Size>& __a) _NOEXCEPT
+get(const array<_Tp, _Size>& __a)
 {
     return __a[_Ip];
 }
@@ -324,9 +301,9 @@ get(const array<_Tp, _Size>& __a) _NOEXCEPT
 template <size_t _Ip, class _Tp, size_t _Size>
 _LIBCPP_INLINE_VISIBILITY inline
 _Tp&&
-get(array<_Tp, _Size>&& __a) _NOEXCEPT
+get(array<_Tp, _Size>&& __a)
 {
-    return _VSTD::move(__a[_Ip]);
+    return _STD::move(__a[_Ip]);
 }
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES

include/bitset

@@ -27,19 +27,19 @@ public:
     class reference
     {
         friend class bitset;
-        reference() noexcept;
+        reference();
     public:
-        ~reference() noexcept;
-        reference& operator=(bool x) noexcept;           // for b[i] = x;
-        reference& operator=(const reference&) noexcept; // for b[i] = b[j];
-        bool operator~() const noexcept;                 // flips the bit
-        operator bool() const noexcept;                  // for x = b[i];
-        reference& flip() noexcept;                      // for b[i].flip();
+        ~reference();
+        reference& operator=(bool x);           // for b[i] = x;
+        reference& operator=(const reference&); // for b[i] = b[j];
+        bool operator~() const;                 // flips the bit
+        operator bool() const;                  // for x = b[i];
+        reference& flip();                      // for b[i].flip();
     };
 
     // 23.3.5.1 constructors:
-    constexpr bitset() noexcept;
-    constexpr bitset(unsigned long long val) noexcept;
+    constexpr bitset();
+    constexpr bitset(unsigned long long val);
     template <class charT>
         explicit bitset(const charT* str,
                         typename basic_string<charT>::size_type n = basic_string<charT>::npos,
@@ -52,17 +52,17 @@ public:
                         charT zero = charT('0'), charT one = charT('1'));
 
     // 23.3.5.2 bitset operations:
-    bitset& operator&=(const bitset& rhs) noexcept;
-    bitset& operator|=(const bitset& rhs) noexcept;
-    bitset& operator^=(const bitset& rhs) noexcept;
-    bitset& operator<<=(size_t pos) noexcept;
-    bitset& operator>>=(size_t pos) noexcept;
-    bitset& set() noexcept;
+    bitset& operator&=(const bitset& rhs);
+    bitset& operator|=(const bitset& rhs);
+    bitset& operator^=(const bitset& rhs);
+    bitset& operator<<=(size_t pos);
+    bitset& operator>>=(size_t pos);
+    bitset& set();
     bitset& set(size_t pos, bool val = true);
-    bitset& reset() noexcept;
+    bitset& reset();
     bitset& reset(size_t pos);
-    bitset operator~() const noexcept;
-    bitset& flip() noexcept;
+    bitset operator~() const;
+    bitset& flip();
     bitset& flip(size_t pos);
 
     // element access:
@@ -77,27 +77,27 @@ public:
     template <class charT>
         basic_string<charT, char_traits<charT>, allocator<charT> > to_string(charT zero = charT('0'), charT one = charT('1')) const;
     basic_string<char, char_traits<char>, allocator<char> > to_string(char zero = '0', char one = '1') const;
-    size_t count() const noexcept;
-    constexpr size_t size() const noexcept;
-    bool operator==(const bitset& rhs) const noexcept;
-    bool operator!=(const bitset& rhs) const noexcept;
+    size_t count() const;
+    constexpr size_t size() const;
+    bool operator==(const bitset& rhs) const;
+    bool operator!=(const bitset& rhs) const;
     bool test(size_t pos) const;
-    bool all() const noexcept;
-    bool any() const noexcept;
-    bool none() const noexcept;
-    bitset operator<<(size_t pos) const noexcept;
-    bitset operator>>(size_t pos) const noexcept;
+    bool all() const;
+    bool any() const;
+    bool none() const;
+    bitset operator<<(size_t pos) const;
+    bitset operator>>(size_t pos) const;
 };
 
 // 23.3.5.3 bitset operators:
 template <size_t N>
-bitset<N> operator&(const bitset<N>&, const bitset<N>&) noexcept;
+bitset<N> operator&(const bitset<N>&, const bitset<N>&);
 
 template <size_t N>
-bitset<N> operator|(const bitset<N>&, const bitset<N>&) noexcept;
+bitset<N> operator|(const bitset<N>&, const bitset<N>&);
 
 template <size_t N>
-bitset<N> operator^(const bitset<N>&, const bitset<N>&) noexcept;
+bitset<N> operator^(const bitset<N>&, const bitset<N>&);
 
 template <class charT, class traits, size_t N>
 basic_istream<charT, traits>&
@@ -129,15 +129,6 @@ template <size_t N> struct hash<std::bitset<N>>;
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <size_t _N_words, size_t _Size>
-class __bitset;
-
-template <size_t _N_words, size_t _Size>
-struct __has_storage_type<__bitset<_N_words, _Size> >
-{
-    static const bool value = true;
-};
-
 template <size_t _N_words, size_t _Size>
 class __bitset
 {
@@ -164,34 +155,34 @@ protected:
     typedef __bit_iterator<__bitset, false>            iterator;
     typedef __bit_iterator<__bitset, true>             const_iterator;
 
-    __bitset() _NOEXCEPT;
-    explicit __bitset(unsigned long long __v) _NOEXCEPT;
+    __bitset();
+    explicit __bitset(unsigned long long __v);
 
-    _LIBCPP_INLINE_VISIBILITY reference __make_ref(size_t __pos) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY reference __make_ref(size_t __pos)
         {return reference(__first_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word);}
-    _LIBCPP_INLINE_VISIBILITY const_reference __make_ref(size_t __pos) const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY const_reference __make_ref(size_t __pos) const
         {return const_reference(__first_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word);}
-    _LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_t __pos) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_t __pos)
         {return iterator(__first_ + __pos / __bits_per_word, __pos % __bits_per_word);}
-    _LIBCPP_INLINE_VISIBILITY const_iterator __make_iter(size_t __pos) const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY const_iterator __make_iter(size_t __pos) const
         {return const_iterator(__first_ + __pos / __bits_per_word, __pos % __bits_per_word);}
 
-    void operator&=(const __bitset& __v) _NOEXCEPT;
-    void operator|=(const __bitset& __v) _NOEXCEPT;
-    void operator^=(const __bitset& __v) _NOEXCEPT;
+    void operator&=(const __bitset& __v);
+    void operator|=(const __bitset& __v);
+    void operator^=(const __bitset& __v);
 
-    void flip() _NOEXCEPT;
+    void flip();
     _LIBCPP_INLINE_VISIBILITY unsigned long to_ulong() const
         {return to_ulong(integral_constant<bool, _Size < sizeof(unsigned long) * CHAR_BIT>());}
     _LIBCPP_INLINE_VISIBILITY unsigned long long to_ullong() const
         {return to_ullong(integral_constant<bool, _Size < sizeof(unsigned long long) * CHAR_BIT>());}
 
-    bool all() const _NOEXCEPT;
-    bool any() const _NOEXCEPT;
-    size_t __hash_code() const _NOEXCEPT;
+    bool all() const;
+    bool any() const;
+    size_t __hash_code() const;
 private:
-    void __init(unsigned long long __v, false_type) _NOEXCEPT;
-    void __init(unsigned long long __v, true_type) _NOEXCEPT;
+    void __init(unsigned long long __v, false_type);
+    void __init(unsigned long long __v, true_type);
     unsigned long to_ulong(false_type) const;
     unsigned long to_ulong(true_type) const;
     unsigned long long to_ullong(false_type) const;
@@ -202,9 +193,9 @@ private:
 
 template <size_t _N_words, size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
-__bitset<_N_words, _Size>::__bitset() _NOEXCEPT
+__bitset<_N_words, _Size>::__bitset()
 {
-    _VSTD::fill_n(__first_, _N_words, __storage_type(0));
+    _STD::fill_n(__first_, _N_words, __storage_type(0));
 }
 
 template <size_t _N_words, size_t _Size>
@@ -214,8 +205,8 @@ __bitset<_N_words, _Size>::__init(unsigned long long __v, false_type)
     __storage_type __t[sizeof(unsigned long long) / sizeof(__storage_type)];
     for (size_t __i = 0; __i < sizeof(__t)/sizeof(__t[0]); ++__i, __v >>= __bits_per_word)
         __t[__i] = static_cast<__storage_type>(__v);
-    _VSTD::copy(__t, __t + sizeof(__t)/sizeof(__t[0]), __first_);
-    _VSTD::fill(__first_ + sizeof(__t)/sizeof(__t[0]), __first_ + sizeof(__first_)/sizeof(__first_[0]),
+    _STD::copy(__t, __t + sizeof(__t)/sizeof(__t[0]), __first_);
+    _STD::fill(__first_ + sizeof(__t)/sizeof(__t[0]), __first_ + sizeof(__first_)/sizeof(__first_[0]),
                __storage_type(0));
 }
 
@@ -225,12 +216,12 @@ void
 __bitset<_N_words, _Size>::__init(unsigned long long __v, true_type)
 {
     __first_[0] = __v;
-    _VSTD::fill(__first_ + 1, __first_ + sizeof(__first_)/sizeof(__first_[0]), __storage_type(0));
+    _STD::fill(__first_ + 1, __first_ + sizeof(__first_)/sizeof(__first_[0]), __storage_type(0));
 }
 
 template <size_t _N_words, size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
-__bitset<_N_words, _Size>::__bitset(unsigned long long __v) _NOEXCEPT
+__bitset<_N_words, _Size>::__bitset(unsigned long long __v)
 {
     __init(__v, integral_constant<bool, sizeof(unsigned long long) == sizeof(__storage_type)>());
 }
@@ -238,7 +229,7 @@ __bitset<_N_words, _Size>::__bitset(unsigned long long __v) _NOEXCEPT
 template <size_t _N_words, size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 void
-__bitset<_N_words, _Size>::operator&=(const __bitset& __v) _NOEXCEPT
+__bitset<_N_words, _Size>::operator&=(const __bitset& __v)
 {
     for (size_type __i = 0; __i < _N_words; ++__i)
         __first_[__i] &= __v.__first_[__i];
@@ -247,7 +238,7 @@ __bitset<_N_words, _Size>::operator&=(const __bitset& __v) _NOEXCEPT
 template <size_t _N_words, size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 void
-__bitset<_N_words, _Size>::operator|=(const __bitset& __v) _NOEXCEPT
+__bitset<_N_words, _Size>::operator|=(const __bitset& __v)
 {
     for (size_type __i = 0; __i < _N_words; ++__i)
         __first_[__i] |= __v.__first_[__i];
@@ -256,7 +247,7 @@ __bitset<_N_words, _Size>::operator|=(const __bitset& __v) _NOEXCEPT
 template <size_t _N_words, size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 void
-__bitset<_N_words, _Size>::operator^=(const __bitset& __v) _NOEXCEPT
+__bitset<_N_words, _Size>::operator^=(const __bitset& __v)
 {
     for (size_type __i = 0; __i < _N_words; ++__i)
         __first_[__i] ^= __v.__first_[__i];
@@ -264,7 +255,7 @@ __bitset<_N_words, _Size>::operator^=(const __bitset& __v) _NOEXCEPT
 
 template <size_t _N_words, size_t _Size>
 void
-__bitset<_N_words, _Size>::flip() _NOEXCEPT
+__bitset<_N_words, _Size>::flip()
 {
     // do middle whole words
     size_type __n = _Size;
@@ -286,7 +277,7 @@ unsigned long
 __bitset<_N_words, _Size>::to_ulong(false_type) const
 {
     const_iterator __e = __make_iter(_Size);
-    const_iterator __i = _VSTD::find(__make_iter(sizeof(unsigned long) * CHAR_BIT), __e, true);
+    const_iterator __i = _STD::find(__make_iter(sizeof(unsigned long) * CHAR_BIT), __e, true);
     if (__i != __e)
 #ifndef _LIBCPP_NO_EXCEPTIONS
         throw overflow_error("bitset to_ulong overflow error");
@@ -309,7 +300,7 @@ unsigned long long
 __bitset<_N_words, _Size>::to_ullong(false_type) const
 {
     const_iterator __e = __make_iter(_Size);
-    const_iterator __i = _VSTD::find(__make_iter(sizeof(unsigned long long) * CHAR_BIT), __e, true);
+    const_iterator __i = _STD::find(__make_iter(sizeof(unsigned long long) * CHAR_BIT), __e, true);
     if (__i != __e)
 #ifndef _LIBCPP_NO_EXCEPTIONS
         throw overflow_error("bitset to_ullong overflow error");
@@ -347,7 +338,7 @@ __bitset<_N_words, _Size>::to_ullong(true_type, true_type) const
 
 template <size_t _N_words, size_t _Size>
 bool
-__bitset<_N_words, _Size>::all() const _NOEXCEPT
+__bitset<_N_words, _Size>::all() const
 {
     // do middle whole words
     size_type __n = _Size;
@@ -367,7 +358,7 @@ __bitset<_N_words, _Size>::all() const _NOEXCEPT
 
 template <size_t _N_words, size_t _Size>
 bool
-__bitset<_N_words, _Size>::any() const _NOEXCEPT
+__bitset<_N_words, _Size>::any() const
 {
     // do middle whole words
     size_type __n = _Size;
@@ -388,7 +379,7 @@ __bitset<_N_words, _Size>::any() const _NOEXCEPT
 template <size_t _N_words, size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 size_t
-__bitset<_N_words, _Size>::__hash_code() const _NOEXCEPT
+__bitset<_N_words, _Size>::__hash_code() const
 {
     size_t __h = 0;
     for (size_type __i = 0; __i < _N_words; ++__i)
@@ -422,43 +413,43 @@ protected:
     typedef __bit_iterator<__bitset, false>            iterator;
     typedef __bit_iterator<__bitset, true>             const_iterator;
 
-    __bitset() _NOEXCEPT;
-    explicit __bitset(unsigned long long __v) _NOEXCEPT;
+    __bitset();
+    explicit __bitset(unsigned long long __v);
 
-    _LIBCPP_INLINE_VISIBILITY reference __make_ref(size_t __pos) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY reference __make_ref(size_t __pos)
         {return reference(&__first_, __storage_type(1) << __pos);}
-    _LIBCPP_INLINE_VISIBILITY const_reference __make_ref(size_t __pos) const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY const_reference __make_ref(size_t __pos) const
         {return const_reference(&__first_, __storage_type(1) << __pos);}
-    _LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_t __pos) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_t __pos)
         {return iterator(&__first_ + __pos / __bits_per_word, __pos % __bits_per_word);}
-    _LIBCPP_INLINE_VISIBILITY const_iterator __make_iter(size_t __pos) const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY const_iterator __make_iter(size_t __pos) const
         {return const_iterator(&__first_ + __pos / __bits_per_word, __pos % __bits_per_word);}
 
-    void operator&=(const __bitset& __v) _NOEXCEPT;
-    void operator|=(const __bitset& __v) _NOEXCEPT;
-    void operator^=(const __bitset& __v) _NOEXCEPT;
+    void operator&=(const __bitset& __v);
+    void operator|=(const __bitset& __v);
+    void operator^=(const __bitset& __v);
 
-    void flip() _NOEXCEPT;
+    void flip();
 
     unsigned long to_ulong() const;
     unsigned long long to_ullong() const;
 
-    bool all() const _NOEXCEPT;
-    bool any() const _NOEXCEPT;
+    bool all() const;
+    bool any() const;
 
-    size_t __hash_code() const _NOEXCEPT;
+    size_t __hash_code() const;
 };
 
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
-__bitset<1, _Size>::__bitset() _NOEXCEPT
+__bitset<1, _Size>::__bitset()
     : __first_(0)
 {
 }
 
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
-__bitset<1, _Size>::__bitset(unsigned long long __v) _NOEXCEPT
+__bitset<1, _Size>::__bitset(unsigned long long __v)
     : __first_(static_cast<__storage_type>(__v))
 {
 }
@@ -466,7 +457,7 @@ __bitset<1, _Size>::__bitset(unsigned long long __v) _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 void
-__bitset<1, _Size>::operator&=(const __bitset& __v) _NOEXCEPT
+__bitset<1, _Size>::operator&=(const __bitset& __v)
 {
     __first_ &= __v.__first_;
 }
@@ -474,7 +465,7 @@ __bitset<1, _Size>::operator&=(const __bitset& __v) _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 void
-__bitset<1, _Size>::operator|=(const __bitset& __v) _NOEXCEPT
+__bitset<1, _Size>::operator|=(const __bitset& __v)
 {
     __first_ |= __v.__first_;
 }
@@ -482,7 +473,7 @@ __bitset<1, _Size>::operator|=(const __bitset& __v) _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 void
-__bitset<1, _Size>::operator^=(const __bitset& __v) _NOEXCEPT
+__bitset<1, _Size>::operator^=(const __bitset& __v)
 {
     __first_ ^= __v.__first_;
 }
@@ -490,7 +481,7 @@ __bitset<1, _Size>::operator^=(const __bitset& __v) _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 void
-__bitset<1, _Size>::flip() _NOEXCEPT
+__bitset<1, _Size>::flip()
 {
     __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size);
     __first_ = ~__first_;
@@ -516,7 +507,7 @@ __bitset<1, _Size>::to_ullong() const
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-__bitset<1, _Size>::all() const _NOEXCEPT
+__bitset<1, _Size>::all() const
 {
     __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size);
     return !(~__first_ & __m);
@@ -525,7 +516,7 @@ __bitset<1, _Size>::all() const _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-__bitset<1, _Size>::any() const _NOEXCEPT
+__bitset<1, _Size>::any() const
 {
     __storage_type __m = ~__storage_type(0) >> (__bits_per_word - _Size);
     return __first_ & __m;
@@ -534,7 +525,7 @@ __bitset<1, _Size>::any() const _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 size_t
-__bitset<1, _Size>::__hash_code() const _NOEXCEPT
+__bitset<1, _Size>::__hash_code() const
 {
     return __first_;
 }
@@ -563,40 +554,40 @@ protected:
     typedef __bit_iterator<__bitset, false>            iterator;
     typedef __bit_iterator<__bitset, true>             const_iterator;
 
-    __bitset() _NOEXCEPT;
-    explicit __bitset(unsigned long long) _NOEXCEPT;
+    __bitset();
+    explicit __bitset(unsigned long long);
 
-    _LIBCPP_INLINE_VISIBILITY reference __make_ref(size_t) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY reference __make_ref(size_t)
         {return reference(0, 1);}
-    _LIBCPP_INLINE_VISIBILITY const_reference __make_ref(size_t) const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY const_reference __make_ref(size_t) const
         {return const_reference(0, 1);}
-    _LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_t __pos) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_t __pos)
         {return iterator(0, 0);}
-    _LIBCPP_INLINE_VISIBILITY const_iterator __make_iter(size_t __pos) const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY const_iterator __make_iter(size_t __pos) const
         {return const_iterator(0, 0);}
 
-    _LIBCPP_INLINE_VISIBILITY void operator&=(const __bitset&) _NOEXCEPT {}
-    _LIBCPP_INLINE_VISIBILITY void operator|=(const __bitset&) _NOEXCEPT {}
-    _LIBCPP_INLINE_VISIBILITY void operator^=(const __bitset&) _NOEXCEPT {}
+    _LIBCPP_INLINE_VISIBILITY void operator&=(const __bitset&) {}
+    _LIBCPP_INLINE_VISIBILITY void operator|=(const __bitset&) {}
+    _LIBCPP_INLINE_VISIBILITY void operator^=(const __bitset&) {}
 
-    _LIBCPP_INLINE_VISIBILITY void flip() _NOEXCEPT {}
+    _LIBCPP_INLINE_VISIBILITY void flip() {}
 
     _LIBCPP_INLINE_VISIBILITY unsigned long to_ulong() const {return 0;}
     _LIBCPP_INLINE_VISIBILITY unsigned long long to_ullong() const {return 0;}
 
-    _LIBCPP_INLINE_VISIBILITY bool all() const _NOEXCEPT {return true;}
-    _LIBCPP_INLINE_VISIBILITY bool any() const _NOEXCEPT {return false;}
+    _LIBCPP_INLINE_VISIBILITY bool all() const {return true;}
+    _LIBCPP_INLINE_VISIBILITY bool any() const {return false;}
 
-    _LIBCPP_INLINE_VISIBILITY size_t __hash_code() const _NOEXCEPT {return 0;}
+    _LIBCPP_INLINE_VISIBILITY size_t __hash_code() const {return 0;}
 };
 
 inline _LIBCPP_INLINE_VISIBILITY
-__bitset<0, 0>::__bitset() _NOEXCEPT
+__bitset<0, 0>::__bitset()
 {
 }
 
 inline _LIBCPP_INLINE_VISIBILITY
-__bitset<0, 0>::__bitset(unsigned long long) _NOEXCEPT
+__bitset<0, 0>::__bitset(unsigned long long)
 {
 }
 
@@ -615,8 +606,8 @@ public:
     typedef typename base::const_reference const_reference;
 
     // 23.3.5.1 constructors:
-    /*constexpr*/ _LIBCPP_INLINE_VISIBILITY bitset() _NOEXCEPT {}
-    /*constexpr*/ _LIBCPP_INLINE_VISIBILITY bitset(unsigned long long __v) _NOEXCEPT : base(__v) {}
+    /*constexpr*/ _LIBCPP_INLINE_VISIBILITY bitset() {}
+    /*constexpr*/ _LIBCPP_INLINE_VISIBILITY bitset(unsigned long long __v) : base(__v) {}
     template<class _CharT>
         explicit bitset(const _CharT* __str,
                         typename basic_string<_CharT>::size_type __n = basic_string<_CharT>::npos,
@@ -629,17 +620,17 @@ public:
                         _CharT __zero = _CharT('0'), _CharT __one = _CharT('1'));
 
     // 23.3.5.2 bitset operations:
-    bitset& operator&=(const bitset& __rhs) _NOEXCEPT;
-    bitset& operator|=(const bitset& __rhs) _NOEXCEPT;
-    bitset& operator^=(const bitset& __rhs) _NOEXCEPT;
-    bitset& operator<<=(size_t __pos) _NOEXCEPT;
-    bitset& operator>>=(size_t __pos) _NOEXCEPT;
-    bitset& set() _NOEXCEPT;
+    bitset& operator&=(const bitset& __rhs);
+    bitset& operator|=(const bitset& __rhs);
+    bitset& operator^=(const bitset& __rhs);
+    bitset& operator<<=(size_t __pos);
+    bitset& operator>>=(size_t __pos);
+    bitset& set();
     bitset& set(size_t __pos, bool __val = true);
-    bitset& reset() _NOEXCEPT;
+    bitset& reset();
     bitset& reset(size_t __pos);
-    bitset  operator~() const _NOEXCEPT;
-    bitset& flip() _NOEXCEPT;
+    bitset  operator~() const;
+    bitset& flip();
     bitset& flip(size_t __pos);
 
     // element access:
@@ -658,21 +649,21 @@ public:
                                                                                 _CharT __one = _CharT('1')) const;
     basic_string<char, char_traits<char>, allocator<char> > to_string(char __zero = '0',
                                                                       char __one = '1') const;
-    size_t count() const _NOEXCEPT;
-    /*constexpr*/ _LIBCPP_INLINE_VISIBILITY size_t size() const _NOEXCEPT {return _Size;}
-    bool operator==(const bitset& __rhs) const _NOEXCEPT;
-    bool operator!=(const bitset& __rhs) const _NOEXCEPT;
+    size_t count() const;
+    /*constexpr*/ _LIBCPP_INLINE_VISIBILITY size_t size() const {return _Size;}
+    bool operator==(const bitset& __rhs) const;
+    bool operator!=(const bitset& __rhs) const;
     bool test(size_t __pos) const;
-    bool all() const _NOEXCEPT;
-    bool any() const _NOEXCEPT;
-    _LIBCPP_INLINE_VISIBILITY bool none() const _NOEXCEPT {return !any();}
-    bitset operator<<(size_t __pos) const _NOEXCEPT;
-    bitset operator>>(size_t __pos) const _NOEXCEPT;
+    bool all() const;
+    bool any() const;
+    _LIBCPP_INLINE_VISIBILITY bool none() const {return !any();}
+    bitset operator<<(size_t __pos) const;
+    bitset operator>>(size_t __pos) const;
 
 private:
 
     _LIBCPP_INLINE_VISIBILITY
-    size_t __hash_code() const _NOEXCEPT {return base::__hash_code();}
+    size_t __hash_code() const {return base::__hash_code();}
 
     friend struct hash<bitset>;
 };
@@ -683,7 +674,7 @@ bitset<_Size>::bitset(const _CharT* __str,
                       typename basic_string<_CharT>::size_type __n,
                       _CharT __zero, _CharT __one)
 {
-    size_t __rlen = _VSTD::min(__n, char_traits<_CharT>::length(__str));
+    size_t __rlen = _STD::min(__n, char_traits<_CharT>::length(__str));
     for (size_t __i = 0; __i < __rlen; ++__i)
         if (__str[__i] != __zero && __str[__i] != __one)
 #ifndef _LIBCPP_NO_EXCEPTIONS
@@ -691,7 +682,7 @@ bitset<_Size>::bitset(const _CharT* __str,
 #else
             assert(!"bitset string ctor has invalid argument");
 #endif
-    size_t _M = _VSTD::min(__rlen, _Size);
+    size_t _M = _STD::min(__rlen, _Size);
     size_t __i = 0;
     for (; __i < _M; ++__i)
     {
@@ -701,7 +692,7 @@ bitset<_Size>::bitset(const _CharT* __str,
         else
             (*this)[__i] = true;
     }
-    _VSTD::fill(base::__make_iter(__i), base::__make_iter(_Size), false);
+    _STD::fill(base::__make_iter(__i), base::__make_iter(_Size), false);
 }
 
 template <size_t _Size>
@@ -717,7 +708,7 @@ bitset<_Size>::bitset(const basic_string<_CharT,_Traits,_Allocator>& __str,
 #else
         assert(!"bitset string pos out of range");
 #endif
-    size_t __rlen = _VSTD::min(__n, __str.size() - __pos);
+    size_t __rlen = _STD::min(__n, __str.size() - __pos);
     for (size_t __i = __pos; __i < __pos + __rlen; ++__i)
         if (!_Traits::eq(__str[__i], __zero) && !_Traits::eq(__str[__i], __one))
 #ifndef _LIBCPP_NO_EXCEPTIONS
@@ -725,7 +716,7 @@ bitset<_Size>::bitset(const basic_string<_CharT,_Traits,_Allocator>& __str,
 #else
             assert(!"bitset string ctor has invalid argument");
 #endif
-    size_t _M = _VSTD::min(__rlen, _Size);
+    size_t _M = _STD::min(__rlen, _Size);
     size_t __i = 0;
     for (; __i < _M; ++__i)
     {
@@ -735,13 +726,13 @@ bitset<_Size>::bitset(const basic_string<_CharT,_Traits,_Allocator>& __str,
         else
             (*this)[__i] = true;
     }
-    _VSTD::fill(base::__make_iter(__i), base::__make_iter(_Size), false);
+    _STD::fill(base::__make_iter(__i), base::__make_iter(_Size), false);
 }
 
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bitset<_Size>&
-bitset<_Size>::operator&=(const bitset& __rhs) _NOEXCEPT
+bitset<_Size>::operator&=(const bitset& __rhs)
 {
     base::operator&=(__rhs);
     return *this;
@@ -750,7 +741,7 @@ bitset<_Size>::operator&=(const bitset& __rhs) _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bitset<_Size>&
-bitset<_Size>::operator|=(const bitset& __rhs) _NOEXCEPT
+bitset<_Size>::operator|=(const bitset& __rhs)
 {
     base::operator|=(__rhs);
     return *this;
@@ -759,7 +750,7 @@ bitset<_Size>::operator|=(const bitset& __rhs) _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bitset<_Size>&
-bitset<_Size>::operator^=(const bitset& __rhs) _NOEXCEPT
+bitset<_Size>::operator^=(const bitset& __rhs)
 {
     base::operator^=(__rhs);
     return *this;
@@ -767,30 +758,30 @@ bitset<_Size>::operator^=(const bitset& __rhs) _NOEXCEPT
 
 template <size_t _Size>
 bitset<_Size>&
-bitset<_Size>::operator<<=(size_t __pos) _NOEXCEPT
+bitset<_Size>::operator<<=(size_t __pos)
 {
-    __pos = _VSTD::min(__pos, _Size);
-    _VSTD::copy_backward(base::__make_iter(0), base::__make_iter(_Size - __pos), base::__make_iter(_Size));
-    _VSTD::fill_n(base::__make_iter(0), __pos, false);
+    __pos = _STD::min(__pos, _Size);
+    _STD::copy_backward(base::__make_iter(0), base::__make_iter(_Size - __pos), base::__make_iter(_Size));
+    _STD::fill_n(base::__make_iter(0), __pos, false);
     return *this;
 }
 
 template <size_t _Size>
 bitset<_Size>&
-bitset<_Size>::operator>>=(size_t __pos) _NOEXCEPT
+bitset<_Size>::operator>>=(size_t __pos)
 {
-    __pos = _VSTD::min(__pos, _Size);
-    _VSTD::copy(base::__make_iter(__pos), base::__make_iter(_Size), base::__make_iter(0));
-    _VSTD::fill_n(base::__make_iter(_Size - __pos), __pos, false);
+    __pos = _STD::min(__pos, _Size);
+    _STD::copy(base::__make_iter(__pos), base::__make_iter(_Size), base::__make_iter(0));
+    _STD::fill_n(base::__make_iter(_Size - __pos), __pos, false);
     return *this;
 }
 
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bitset<_Size>&
-bitset<_Size>::set() _NOEXCEPT
+bitset<_Size>::set()
 {
-    _VSTD::fill_n(base::__make_iter(0), _Size, true);
+    _STD::fill_n(base::__make_iter(0), _Size, true);
     return *this;
 }
 
@@ -811,9 +802,9 @@ bitset<_Size>::set(size_t __pos, bool __val)
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bitset<_Size>&
-bitset<_Size>::reset() _NOEXCEPT
+bitset<_Size>::reset()
 {
-    _VSTD::fill_n(base::__make_iter(0), _Size, false);
+    _STD::fill_n(base::__make_iter(0), _Size, false);
     return *this;
 }
 
@@ -834,7 +825,7 @@ bitset<_Size>::reset(size_t __pos)
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bitset<_Size>
-bitset<_Size>::operator~() const _NOEXCEPT
+bitset<_Size>::operator~() const
 {
     bitset __x(*this);
     __x.flip();
@@ -844,7 +835,7 @@ bitset<_Size>::operator~() const _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bitset<_Size>&
-bitset<_Size>::flip() _NOEXCEPT
+bitset<_Size>::flip()
 {
     base::flip();
     return *this;
@@ -924,23 +915,23 @@ bitset<_Size>::to_string(char __zero, char __one) const
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 size_t
-bitset<_Size>::count() const _NOEXCEPT
+bitset<_Size>::count() const
 {
-    return static_cast<size_t>(_VSTD::count(base::__make_iter(0), base::__make_iter(_Size), true));
+    return static_cast<size_t>(_STD::count(base::__make_iter(0), base::__make_iter(_Size), true));
 }
 
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-bitset<_Size>::operator==(const bitset& __rhs) const _NOEXCEPT
+bitset<_Size>::operator==(const bitset& __rhs) const
 {
-    return _VSTD::equal(base::__make_iter(0), base::__make_iter(_Size), __rhs.__make_iter(0));
+    return _STD::equal(base::__make_iter(0), base::__make_iter(_Size), __rhs.__make_iter(0));
 }
 
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-bitset<_Size>::operator!=(const bitset& __rhs) const _NOEXCEPT
+bitset<_Size>::operator!=(const bitset& __rhs) const
 {
     return !(*this == __rhs);
 }
@@ -961,7 +952,7 @@ bitset<_Size>::test(size_t __pos) const
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-bitset<_Size>::all() const _NOEXCEPT
+bitset<_Size>::all() const
 {
     return base::all();
 }
@@ -969,7 +960,7 @@ bitset<_Size>::all() const _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-bitset<_Size>::any() const _NOEXCEPT
+bitset<_Size>::any() const
 {
     return base::any();
 }
@@ -977,7 +968,7 @@ bitset<_Size>::any() const _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bitset<_Size>
-bitset<_Size>::operator<<(size_t __pos) const _NOEXCEPT
+bitset<_Size>::operator<<(size_t __pos) const
 {
     bitset __r = *this;
     __r <<= __pos;
@@ -987,7 +978,7 @@ bitset<_Size>::operator<<(size_t __pos) const _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bitset<_Size>
-bitset<_Size>::operator>>(size_t __pos) const _NOEXCEPT
+bitset<_Size>::operator>>(size_t __pos) const
 {
     bitset __r = *this;
     __r >>= __pos;
@@ -997,7 +988,7 @@ bitset<_Size>::operator>>(size_t __pos) const _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bitset<_Size>
-operator&(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT
+operator&(const bitset<_Size>& __x, const bitset<_Size>& __y)
 {
     bitset<_Size> __r = __x;
     __r &= __y;
@@ -1007,7 +998,7 @@ operator&(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bitset<_Size>
-operator|(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT
+operator|(const bitset<_Size>& __x, const bitset<_Size>& __y)
 {
     bitset<_Size> __r = __x;
     __r |= __y;
@@ -1017,7 +1008,7 @@ operator|(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bitset<_Size>
-operator^(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT
+operator^(const bitset<_Size>& __x, const bitset<_Size>& __y)
 {
     bitset<_Size> __r = __x;
     __r ^= __y;
@@ -1029,7 +1020,7 @@ struct _LIBCPP_VISIBLE hash<bitset<_Size> >
     : public unary_function<bitset<_Size>, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(const bitset<_Size>& __bs) const _NOEXCEPT
+    size_t operator()(const bitset<_Size>& __bs) const
         {return __bs.__hash_code();}
 };
 

include/cerrno

@@ -30,43 +30,25 @@ Macros:
 
 #if !defined(EOWNERDEAD) || !defined(ENOTRECOVERABLE)
 
-#ifdef ELAST
-
 const int __elast1 = ELAST+1;
 const int __elast2 = ELAST+2;
-
-#else
-
-const int __elast1 = 104;
-const int __elast2 = 105;
-
-#endif
+#undef ELAST
 
 #ifdef ENOTRECOVERABLE
 
 #define EOWNERDEAD __elast1
-
-#ifdef ELAST
-#undef ELAST
 #define ELAST EOWNERDEAD
-#endif
 
 #elif defined(EOWNERDEAD)
 
 #define ENOTRECOVERABLE __elast1
-#ifdef ELAST
-#undef ELAST
 #define ELAST ENOTRECOVERABLE
-#endif
 
 #else  // defined(EOWNERDEAD)
 
 #define EOWNERDEAD __elast1
 #define ENOTRECOVERABLE __elast2
-#ifdef ELAST
-#undef ELAST
 #define ELAST ENOTRECOVERABLE
-#endif
 
 #endif  // defined(EOWNERDEAD)
 

include/chrono

@@ -225,9 +225,9 @@ public:
     typedef chrono::time_point<system_clock> time_point;
     static const bool is_steady =            false;
 
-    static time_point now() noexcept;
-    static time_t     to_time_t  (const time_point& __t) noexcept;
-    static time_point from_time_t(time_t __t) noexcept;
+    static time_point now();
+    static time_t     to_time_t  (const time_point& __t);
+    static time_point from_time_t(time_t __t);
 };
 
 class steady_clock
@@ -239,7 +239,7 @@ public:
     typedef chrono::time_point<steady_clock, duration>    time_point;
     static const bool is_steady =                         true;
 
-    static time_point now() noexcept;
+    static time_point now();
 };
 
 typedef steady_clock high_resolution_clock;
@@ -407,7 +407,7 @@ public:
                 (ratio_divide<_Period2, period>::type::den == 1 &&
                  !treat_as_floating_point<_Rep2>::value)
             >::type* = 0)
-                : __rep_(_VSTD::chrono::duration_cast<duration>(__d).count()) {}
+                : __rep_(_STD::chrono::duration_cast<duration>(__d).count()) {}
 
     // observer
 
@@ -726,7 +726,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 time_point<_Clock, _ToDuration>
 time_point_cast(const time_point<_Clock, _Duration>& __t)
 {
-    return time_point<_Clock, _ToDuration>(_VSTD::chrono::duration_cast<_ToDuration>(__t.time_since_epoch()));
+    return time_point<_Clock, _ToDuration>(_STD::chrono::duration_cast<_ToDuration>(__t.time_since_epoch()));
 }
 
 // time_point ==
@@ -845,9 +845,9 @@ public:
     typedef chrono::time_point<system_clock> time_point;
     static const bool is_steady =            false;
 
-    static time_point now() _NOEXCEPT;
-    static time_t     to_time_t  (const time_point& __t) _NOEXCEPT;
-    static time_point from_time_t(time_t __t) _NOEXCEPT;
+    static time_point now();
+    static time_t     to_time_t  (const time_point& __t);
+    static time_point from_time_t(time_t __t);
 };
 
 class _LIBCPP_VISIBLE steady_clock
@@ -859,7 +859,7 @@ public:
     typedef chrono::time_point<steady_clock, duration>    time_point;
     static const bool is_steady =                         true;
 
-    static time_point now() _NOEXCEPT;
+    static time_point now();
 };
 
 typedef steady_clock high_resolution_clock;

include/cmath

@@ -303,340 +303,8 @@ long double    truncl(long double x);
 
 #pragma GCC system_header
 
-// signbit
-
-#ifdef signbit
-
-template <class _A1>
-_LIBCPP_ALWAYS_INLINE
-bool
-__libcpp_signbit(_A1 __x)
-{
-    return signbit(__x);
-}
-
-#undef signbit
-
-template <class _A1>
-inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
-signbit(_A1 __x)
-{
-    return __libcpp_signbit(__x);
-}
-
-#endif  // signbit
-
-// fpclassify
-
-#ifdef fpclassify
-
-template <class _A1>
-_LIBCPP_ALWAYS_INLINE
-int
-__libcpp_fpclassify(_A1 __x)
-{
-    return fpclassify(__x);
-}
-
-#undef fpclassify
-
-template <class _A1>
-inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if<std::is_floating_point<_A1>::value, int>::type
-fpclassify(_A1 __x)
-{
-    return __libcpp_fpclassify(__x);
-}
-
-#endif  // fpclassify
-
-// isfinite
-
-#ifdef isfinite
-
-template <class _A1>
-_LIBCPP_ALWAYS_INLINE
-bool
-__libcpp_isfinite(_A1 __x)
-{
-    return isfinite(__x);
-}
-
-#undef isfinite
-
-template <class _A1>
-inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
-isfinite(_A1 __x)
-{
-    return __libcpp_isfinite(__x);
-}
-
-#endif  // isfinite
-
-// isinf
-
-#ifdef isinf
-
-template <class _A1>
-_LIBCPP_ALWAYS_INLINE
-bool
-__libcpp_isinf(_A1 __x)
-{
-    return isinf(__x);
-}
-
-#undef isinf
-
-template <class _A1>
-inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
-isinf(_A1 __x)
-{
-    return __libcpp_isinf(__x);
-}
-
-#endif  // isinf
-
-// isnan
-
-#ifdef isnan
-
-template <class _A1>
-_LIBCPP_ALWAYS_INLINE
-bool
-__libcpp_isnan(_A1 __x)
-{
-    return isnan(__x);
-}
-
-#undef isnan
-
-template <class _A1>
-inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
-isnan(_A1 __x)
-{
-    return __libcpp_isnan(__x);
-}
-
-#endif  // isnan
-
-// isnormal
-
-#ifdef isnormal
-
-template <class _A1>
-_LIBCPP_ALWAYS_INLINE
-bool
-__libcpp_isnormal(_A1 __x)
-{
-    return isnormal(__x);
-}
-
-#undef isnormal
-
-template <class _A1>
-inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
-isnormal(_A1 __x)
-{
-    return __libcpp_isnormal(__x);
-}
-
-#endif  // isnormal
-
-// isgreater
-
-#ifdef isgreater
-
-template <class _A1, class _A2>
-_LIBCPP_ALWAYS_INLINE
-bool
-__libcpp_isgreater(_A1 __x, _A2 __y)
-{
-    return isgreater(__x, __y);
-}
-
-#undef isgreater
-
-template <class _A1, class _A2>
-inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if
-<
-    std::is_floating_point<_A1>::value &&
-    std::is_floating_point<_A2>::value,
-    bool
->::type
-isgreater(_A1 __x, _A2 __y)
-{
-    return __libcpp_isgreater(__x, __y);
-}
-
-#endif  // isgreater
-
-// isgreaterequal
-
-#ifdef isgreaterequal
-
-template <class _A1, class _A2>
-_LIBCPP_ALWAYS_INLINE
-bool
-__libcpp_isgreaterequal(_A1 __x, _A2 __y)
-{
-    return isgreaterequal(__x, __y);
-}
-
-#undef isgreaterequal
-
-template <class _A1, class _A2>
-inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if
-<
-    std::is_floating_point<_A1>::value &&
-    std::is_floating_point<_A2>::value,
-    bool
->::type
-isgreaterequal(_A1 __x, _A2 __y)
-{
-    return __libcpp_isgreaterequal(__x, __y);
-}
-
-#endif  // isgreaterequal
-
-// isless
-
-#ifdef isless
-
-template <class _A1, class _A2>
-_LIBCPP_ALWAYS_INLINE
-bool
-__libcpp_isless(_A1 __x, _A2 __y)
-{
-    return isless(__x, __y);
-}
-
-#undef isless
-
-template <class _A1, class _A2>
-inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if
-<
-    std::is_floating_point<_A1>::value &&
-    std::is_floating_point<_A2>::value,
-    bool
->::type
-isless(_A1 __x, _A2 __y)
-{
-    return __libcpp_isless(__x, __y);
-}
-
-#endif  // isless
-
-// islessequal
-
-#ifdef islessequal
-
-template <class _A1, class _A2>
-_LIBCPP_ALWAYS_INLINE
-bool
-__libcpp_islessequal(_A1 __x, _A2 __y)
-{
-    return islessequal(__x, __y);
-}
-
-#undef islessequal
-
-template <class _A1, class _A2>
-inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if
-<
-    std::is_floating_point<_A1>::value &&
-    std::is_floating_point<_A2>::value,
-    bool
->::type
-islessequal(_A1 __x, _A2 __y)
-{
-    return __libcpp_islessequal(__x, __y);
-}
-
-#endif  // islessequal
-
-// islessgreater
-
-#ifdef islessgreater
-
-template <class _A1, class _A2>
-_LIBCPP_ALWAYS_INLINE
-bool
-__libcpp_islessgreater(_A1 __x, _A2 __y)
-{
-    return islessgreater(__x, __y);
-}
-
-#undef islessgreater
-
-template <class _A1, class _A2>
-inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if
-<
-    std::is_floating_point<_A1>::value &&
-    std::is_floating_point<_A2>::value,
-    bool
->::type
-islessgreater(_A1 __x, _A2 __y)
-{
-    return __libcpp_islessgreater(__x, __y);
-}
-
-#endif  // islessgreater
-
-// isunordered
-
-#ifdef isunordered
-
-template <class _A1, class _A2>
-_LIBCPP_ALWAYS_INLINE
-bool
-__libcpp_isunordered(_A1 __x, _A2 __y)
-{
-    return isunordered(__x, __y);
-}
-
-#undef isunordered
-
-template <class _A1, class _A2>
-inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if
-<
-    std::is_floating_point<_A1>::value &&
-    std::is_floating_point<_A2>::value,
-    bool
->::type
-isunordered(_A1 __x, _A2 __y)
-{
-    return __libcpp_isunordered(__x, __y);
-}
-
-#endif  // isunordered
-
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-using ::signbit;
-using ::fpclassify;
-using ::isfinite;
-using ::isinf;
-using ::isnan;
-using ::isnormal;
-using ::isgreater;
-using ::isgreaterequal;
-using ::isless;
-using ::islessequal;
-using ::islessgreater;
-using ::isunordered;
-using ::isunordered;
-
 using ::float_t;
 using ::double_t;
 
@@ -961,6 +629,348 @@ inline _LIBCPP_INLINE_VISIBILITY
 typename enable_if<is_integral<_A1>::value, double>::type
 tanh(_A1 __x) {return tanh((double)__x);}
 
+// signbit
+
+#ifndef signbit
+#error Implementation error: signbit not defined
+#else
+
+template <class _A1>
+_LIBCPP_ALWAYS_INLINE
+bool
+__libcpp_signbit(_A1 __x)
+{
+    return signbit(__x);
+}
+
+#undef signbit
+
+template <class _A1>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if<is_floating_point<_A1>::value, bool>::type
+signbit(_A1 __x)
+{
+    return __libcpp_signbit(__x);
+}
+
+#endif  // signbit
+
+// fpclassify
+
+#ifndef fpclassify
+#error Implementation error: fpclassify not defined
+#else
+
+template <class _A1>
+_LIBCPP_ALWAYS_INLINE
+int
+__libcpp_fpclassify(_A1 __x)
+{
+    return fpclassify(__x);
+}
+
+#undef fpclassify
+
+template <class _A1>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if<is_floating_point<_A1>::value, int>::type
+fpclassify(_A1 __x)
+{
+    return __libcpp_fpclassify(__x);
+}
+
+#endif  // fpclassify
+
+// isfinite
+
+#ifndef isfinite
+#error Implementation error: isfinite not defined
+#else
+
+template <class _A1>
+_LIBCPP_ALWAYS_INLINE
+bool
+__libcpp_isfinite(_A1 __x)
+{
+    return isfinite(__x);
+}
+
+#undef isfinite
+
+template <class _A1>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if<is_floating_point<_A1>::value, bool>::type
+isfinite(_A1 __x)
+{
+    return __libcpp_isfinite(__x);
+}
+
+#endif  // isfinite
+
+// isinf
+
+#ifndef isinf
+#error Implementation error: isinf not defined
+#else
+
+template <class _A1>
+_LIBCPP_ALWAYS_INLINE
+bool
+__libcpp_isinf(_A1 __x)
+{
+    return isinf(__x);
+}
+
+#undef isinf
+
+template <class _A1>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if<is_floating_point<_A1>::value, bool>::type
+isinf(_A1 __x)
+{
+    return __libcpp_isinf(__x);
+}
+
+#endif  // isinf
+
+// isnan
+
+#ifndef isnan
+#error Implementation error: isnan not defined
+#else
+
+template <class _A1>
+_LIBCPP_ALWAYS_INLINE
+bool
+__libcpp_isnan(_A1 __x)
+{
+    return isnan(__x);
+}
+
+#undef isnan
+
+template <class _A1>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if<is_floating_point<_A1>::value, bool>::type
+isnan(_A1 __x)
+{
+    return __libcpp_isnan(__x);
+}
+
+#endif  // isnan
+
+// isnormal
+
+#ifndef isnormal
+#error Implementation error: isnormal not defined
+#else
+
+template <class _A1>
+_LIBCPP_ALWAYS_INLINE
+bool
+__libcpp_isnormal(_A1 __x)
+{
+    return isnormal(__x);
+}
+
+#undef isnormal
+
+template <class _A1>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if<is_floating_point<_A1>::value, bool>::type
+isnormal(_A1 __x)
+{
+    return __libcpp_isnormal(__x);
+}
+
+#endif  // isnormal
+
+// isgreater
+
+#ifndef isgreater
+#error Implementation error: isgreater not defined
+#else
+
+template <class _A1, class _A2>
+_LIBCPP_ALWAYS_INLINE
+bool
+__libcpp_isgreater(_A1 __x, _A2 __y)
+{
+    return isgreater(__x, __y);
+}
+
+#undef isgreater
+
+template <class _A1, class _A2>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if
+<
+    is_floating_point<_A1>::value &&
+    is_floating_point<_A2>::value,
+    bool
+>::type
+isgreater(_A1 __x, _A2 __y)
+{
+    return __libcpp_isgreater(__x, __y);
+}
+
+#endif  // isgreater
+
+// isgreaterequal
+
+#ifndef isgreaterequal
+#error Implementation error: isgreaterequal not defined
+#else
+
+template <class _A1, class _A2>
+_LIBCPP_ALWAYS_INLINE
+bool
+__libcpp_isgreaterequal(_A1 __x, _A2 __y)
+{
+    return isgreaterequal(__x, __y);
+}
+
+#undef isgreaterequal
+
+template <class _A1, class _A2>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if
+<
+    is_floating_point<_A1>::value &&
+    is_floating_point<_A2>::value,
+    bool
+>::type
+isgreaterequal(_A1 __x, _A2 __y)
+{
+    return __libcpp_isgreaterequal(__x, __y);
+}
+
+#endif  // isgreaterequal
+
+// isless
+
+#ifndef isless
+#error Implementation error: isless not defined
+#else
+
+template <class _A1, class _A2>
+_LIBCPP_ALWAYS_INLINE
+bool
+__libcpp_isless(_A1 __x, _A2 __y)
+{
+    return isless(__x, __y);
+}
+
+#undef isless
+
+template <class _A1, class _A2>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if
+<
+    is_floating_point<_A1>::value &&
+    is_floating_point<_A2>::value,
+    bool
+>::type
+isless(_A1 __x, _A2 __y)
+{
+    return __libcpp_isless(__x, __y);
+}
+
+#endif  // isless
+
+// islessequal
+
+#ifndef islessequal
+#error Implementation error: islessequal not defined
+#else
+
+template <class _A1, class _A2>
+_LIBCPP_ALWAYS_INLINE
+bool
+__libcpp_islessequal(_A1 __x, _A2 __y)
+{
+    return islessequal(__x, __y);
+}
+
+#undef islessequal
+
+template <class _A1, class _A2>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if
+<
+    is_floating_point<_A1>::value &&
+    is_floating_point<_A2>::value,
+    bool
+>::type
+islessequal(_A1 __x, _A2 __y)
+{
+    return __libcpp_islessequal(__x, __y);
+}
+
+#endif  // islessequal
+
+// islessgreater
+
+#ifndef islessgreater
+#error Implementation error: islessgreater not defined
+#else
+
+template <class _A1, class _A2>
+_LIBCPP_ALWAYS_INLINE
+bool
+__libcpp_islessgreater(_A1 __x, _A2 __y)
+{
+    return islessgreater(__x, __y);
+}
+
+#undef islessgreater
+
+template <class _A1, class _A2>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if
+<
+    is_floating_point<_A1>::value &&
+    is_floating_point<_A2>::value,
+    bool
+>::type
+islessgreater(_A1 __x, _A2 __y)
+{
+    return __libcpp_islessgreater(__x, __y);
+}
+
+#endif  // islessgreater
+
+// isunordered
+
+#ifndef isunordered
+#error Implementation error: isunordered not defined
+#else
+
+template <class _A1, class _A2>
+_LIBCPP_ALWAYS_INLINE
+bool
+__libcpp_isunordered(_A1 __x, _A2 __y)
+{
+    return isunordered(__x, __y);
+}
+
+#undef isunordered
+
+template <class _A1, class _A2>
+inline _LIBCPP_INLINE_VISIBILITY
+typename enable_if
+<
+    is_floating_point<_A1>::value &&
+    is_floating_point<_A2>::value,
+    bool
+>::type
+isunordered(_A1 __x, _A2 __y)
+{
+    return __libcpp_isunordered(__x, __y);
+}
+
+#endif  // isunordered
+
 // acosh
 
 using ::acosh;

include/complex

@@ -1173,7 +1173,7 @@ complex<typename __promote<_Tp, _Up>::type>
 pow(const complex<_Tp>& __x, const complex<_Up>& __y)
 {
     typedef complex<typename __promote<_Tp, _Up>::type> result_type;
-    return _VSTD::pow(result_type(__x), result_type(__y));
+    return _STD::pow(result_type(__x), result_type(__y));
 }
 
 template<class _Tp, class _Up>
@@ -1186,7 +1186,7 @@ typename enable_if
 pow(const complex<_Tp>& __x, const _Up& __y)
 {
     typedef complex<typename __promote<_Tp, _Up>::type> result_type;
-    return _VSTD::pow(result_type(__x), result_type(__y));
+    return _STD::pow(result_type(__x), result_type(__y));
 }
 
 template<class _Tp, class _Up>
@@ -1199,7 +1199,7 @@ typename enable_if
 pow(const _Tp& __x, const complex<_Up>& __y)
 {
     typedef complex<typename __promote<_Tp, _Up>::type> result_type;
-    return _VSTD::pow(result_type(__x), result_type(__y));
+    return _STD::pow(result_type(__x), result_type(__y));
 }
 
 // asinh

include/condition_variable

@@ -243,7 +243,7 @@ condition_variable_any::wait_for(_Lock& __lock,
                                  _Predicate __pred)
 {
     return wait_until(__lock, chrono::steady_clock::now() + __d,
-                      _VSTD::move(__pred));
+                      _STD::move(__pred));
 }
 
 _LIBCPP_VISIBLE

include/cstddef

@@ -82,19 +82,14 @@ struct _LIBCPP_VISIBLE nullptr_t
 
 inline _LIBCPP_ALWAYS_INLINE nullptr_t __get_nullptr_t() {return nullptr_t(0);}
 
-#define nullptr _VSTD::__get_nullptr_t()
+#define nullptr _STD::__get_nullptr_t()
+
+#else  // _LIBCPP_HAS_NO_NULLPTR
+
+typedef decltype(nullptr) nullptr_t;
 
 #endif  // _LIBCPP_HAS_NO_NULLPTR
 
 _LIBCPP_END_NAMESPACE_STD
 
-#ifndef _LIBCPP_HAS_NO_NULLPTR
-
-namespace std
-{
-    typedef decltype(nullptr) nullptr_t;
-}
-
-#endif  // _LIBCPP_HAS_NO_NULLPTR
-
 #endif  // _LIBCPP_CSTDDEF

include/exception

@@ -20,56 +20,56 @@ namespace std
 class exception
 {
 public:
-    exception() noexcept;
-    exception(const exception&) noexcept;
-    exception& operator=(const exception&) noexcept;
-    virtual ~exception() noexcept;
-    virtual const char* what() const noexcept;
+    exception() throw();
+    exception(const exception&) throw();
+    exception& operator=(const exception&) throw();
+    virtual ~exception() throw();
+    virtual const char* what() const throw();
 };
 
 class bad_exception
     : public exception
 {
 public:
-    bad_exception() noexcept;
-    bad_exception(const bad_exception&) noexcept;
-    bad_exception& operator=(const bad_exception&) noexcept;
-    virtual ~bad_exception() noexcept;
-    virtual const char* what() const noexcept;
+    bad_exception() throw();
+    bad_exception(const bad_exception&) throw();
+    bad_exception& operator=(const bad_exception&) throw();
+    virtual ~bad_exception() throw();
+    virtual const char* what() const throw();
 };
 
 typedef void (*unexpected_handler)();
-unexpected_handler set_unexpected(unexpected_handler  f ) noexcept;
-unexpected_handler get_unexpected() noexcept;
-[[noreturn]] void unexpected();
+unexpected_handler set_unexpected(unexpected_handler  f ) throw();
+unexpected_handler get_unexpected() throw();
+void unexpected [[noreturn]] ();
 
 typedef void (*terminate_handler)();
-terminate_handler set_terminate(terminate_handler  f ) noexcept;
-terminate_handler get_terminate() noexcept;
-[[noreturn]] void terminate() noexcept;
+terminate_handler set_terminate(terminate_handler  f ) throw();
+terminate_handler get_terminate() throw();
+void terminate [[noreturn]] ();
 
-bool uncaught_exception() noexcept;
+bool uncaught_exception() throw();
 
 typedef unspecified exception_ptr;
 
-exception_ptr current_exception() noexcept;
+exception_ptr current_exception();
 void rethrow_exception [[noreturn]] (exception_ptr p);
-template<class E> exception_ptr make_exception_ptr(E e) noexcept;
+template<class E> exception_ptr make_exception_ptr(E e);
 
 class nested_exception
 {
 public:
-    nested_exception() noexcept;
-    nested_exception(const nested_exception&) noexcept = default;
-    nested_exception& operator=(const nested_exception&) noexcept = default;
+    nested_exception() throw();
+    nested_exception(const nested_exception&) throw() = default;
+    nested_exception& operator=(const nested_exception&) throw() = default;
     virtual ~nested_exception() = default;
 
     // access functions
-    [[noreturn]] void rethrow_nested() const;
-    exception_ptr nested_ptr() const noexcept;
+    void rethrow_nested [[noreturn]] () const;
+    exception_ptr nested_ptr() const;
 };
 
-template <class T> [[noreturn]] void throw_with_nested(T&& t);
+template <class T> void throw_with_nested [[noreturn]] (T&& t);
 template <class E> void rethrow_if_nested(const E& e);
 
 }  // std
@@ -88,65 +88,65 @@ namespace std  // purposefully not using versioning namespace
 class _LIBCPP_EXCEPTION_ABI exception
 {
 public:
-    _LIBCPP_INLINE_VISIBILITY exception() _NOEXCEPT {}
-    virtual ~exception() _NOEXCEPT;
-    virtual const char* what() const _NOEXCEPT;
+    _LIBCPP_INLINE_VISIBILITY exception() throw() {}
+    virtual ~exception() throw();
+    virtual const char* what() const throw();
 };
 
 class _LIBCPP_EXCEPTION_ABI bad_exception
     : public exception
 {
 public:
-    _LIBCPP_INLINE_VISIBILITY bad_exception() _NOEXCEPT {}
-    virtual ~bad_exception() _NOEXCEPT;
-    virtual const char* what() const _NOEXCEPT;
+    _LIBCPP_INLINE_VISIBILITY bad_exception() throw() {}
+    virtual ~bad_exception() throw();
+    virtual const char* what() const throw();
 };
 
 typedef void (*unexpected_handler)();
-_LIBCPP_VISIBLE unexpected_handler set_unexpected(unexpected_handler) _NOEXCEPT;
-_LIBCPP_VISIBLE unexpected_handler get_unexpected() _NOEXCEPT;
-_ATTRIBUTE(noreturn) _LIBCPP_VISIBLE void unexpected();
+_LIBCPP_VISIBLE unexpected_handler set_unexpected(unexpected_handler) throw();
+_LIBCPP_VISIBLE unexpected_handler get_unexpected() throw();
+_LIBCPP_VISIBLE void unexpected();
 
 typedef void (*terminate_handler)();
-_LIBCPP_VISIBLE terminate_handler set_terminate(terminate_handler) _NOEXCEPT;
-_LIBCPP_VISIBLE terminate_handler get_terminate() _NOEXCEPT;
-_ATTRIBUTE(noreturn) _LIBCPP_VISIBLE void terminate() _NOEXCEPT;
+_LIBCPP_VISIBLE terminate_handler set_terminate(terminate_handler) throw();
+_LIBCPP_VISIBLE terminate_handler get_terminate() throw();
+_LIBCPP_VISIBLE void terminate() __attribute__((__noreturn__));
 
-_LIBCPP_VISIBLE bool uncaught_exception() _NOEXCEPT;
+_LIBCPP_VISIBLE bool uncaught_exception() throw();
 
 class exception_ptr;
 
-exception_ptr current_exception() _NOEXCEPT;
-_ATTRIBUTE(noreturn) void rethrow_exception(exception_ptr);
+exception_ptr current_exception();
+void rethrow_exception(exception_ptr);  // noreturn
 
 class _LIBCPP_VISIBLE exception_ptr
 {
     void* __ptr_;
 public:
-    _LIBCPP_INLINE_VISIBILITY exception_ptr() _NOEXCEPT : __ptr_() {}
-    _LIBCPP_INLINE_VISIBILITY exception_ptr(nullptr_t) _NOEXCEPT : __ptr_() {}
-    exception_ptr(const exception_ptr&) _NOEXCEPT;
-    exception_ptr& operator=(const exception_ptr&) _NOEXCEPT;
-    ~exception_ptr() _NOEXCEPT;
+    _LIBCPP_INLINE_VISIBILITY exception_ptr()  : __ptr_() {}
+    _LIBCPP_INLINE_VISIBILITY exception_ptr(nullptr_t) : __ptr_() {}
+    exception_ptr(const exception_ptr&);
+    exception_ptr& operator=(const exception_ptr&);
+    ~exception_ptr();
 
     _LIBCPP_INLINE_VISIBILITY
     // explicit
-        operator bool() const _NOEXCEPT {return __ptr_ != nullptr;}
+        operator bool() const {return __ptr_ != nullptr;}
 
     friend _LIBCPP_INLINE_VISIBILITY
-    bool operator==(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT
+    bool operator==(const exception_ptr& __x, const exception_ptr& __y)
         {return __x.__ptr_ == __y.__ptr_;}
     friend _LIBCPP_INLINE_VISIBILITY
-    bool operator!=(const exception_ptr& __x, const exception_ptr& __y) _NOEXCEPT
+    bool operator!=(const exception_ptr& __x, const exception_ptr& __y)
         {return !(__x == __y);}
 
-    friend exception_ptr current_exception() _NOEXCEPT;
-    _ATTRIBUTE(noreturn) friend void rethrow_exception(exception_ptr);
+    friend exception_ptr current_exception();
+    friend void rethrow_exception(exception_ptr);  // noreturn
 };
 
 template<class _E>
 exception_ptr
-make_exception_ptr(_E __e) _NOEXCEPT
+make_exception_ptr(_E __e)
 {
 #ifndef _LIBCPP_NO_EXCEPTIONS
     try
@@ -166,14 +166,14 @@ class _LIBCPP_EXCEPTION_ABI nested_exception
 {
     exception_ptr __ptr_;
 public:
-    nested_exception() _NOEXCEPT;
-//     nested_exception(const nested_exception&) noexcept = default;
-//     nested_exception& operator=(const nested_exception&) noexcept = default;
-    virtual ~nested_exception() _NOEXCEPT;
+    nested_exception();
+//     nested_exception(const nested_exception&) throw() = default;
+//     nested_exception& operator=(const nested_exception&) throw() = default;
+    virtual ~nested_exception();
 
     // access functions
-    _ATTRIBUTE(noreturn) void rethrow_nested() const;
-    _LIBCPP_INLINE_VISIBILITY exception_ptr nested_ptr() const _NOEXCEPT {return __ptr_;}
+    void rethrow_nested /*[[noreturn]]*/ () const;
+    _LIBCPP_INLINE_VISIBILITY exception_ptr nested_ptr() const {return __ptr_;}
 };
 
 template <class _Tp>
@@ -185,10 +185,9 @@ struct __nested
 };
 
 template <class _Tp>
-_ATTRIBUTE(noreturn)
 void
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-throw_with_nested(_Tp&& __t, typename enable_if<
+throw_with_nested /*[[noreturn]]*/ (_Tp&& __t, typename enable_if<
                   is_class<typename remove_reference<_Tp>::type>::value &&
                   !is_base_of<nested_exception, typename remove_reference<_Tp>::type>::value
                                     >::type* = 0)
@@ -199,15 +198,14 @@ throw_with_nested (_Tp& __t, typename enable_if<
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 {
 #ifndef _LIBCPP_NO_EXCEPTIONS
-    throw __nested<typename remove_reference<_Tp>::type>(_VSTD::forward<_Tp>(__t));
+    throw __nested<typename remove_reference<_Tp>::type>(_STD::forward<_Tp>(__t));
 #endif
 }
 
 template <class _Tp>
-_ATTRIBUTE(noreturn)
 void
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-throw_with_nested(_Tp&& __t, typename enable_if<
+throw_with_nested /*[[noreturn]]*/ (_Tp&& __t, typename enable_if<
                   !is_class<typename remove_reference<_Tp>::type>::value ||
                   is_base_of<nested_exception, typename remove_reference<_Tp>::type>::value
                                     >::type* = 0)
@@ -218,7 +216,7 @@ throw_with_nested (_Tp& __t, typename enable_if<
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 {
 #ifndef _LIBCPP_NO_EXCEPTIONS
-    throw _VSTD::forward<_Tp>(__t);
+    throw _STD::forward<_Tp>(__t);
 #endif
 }
 

include/ext/hash_map

@@ -341,9 +341,9 @@ public:
     void operator()(pointer __p)
     {
         if (__second_constructed)
-            __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.second));
+            __alloc_traits::destroy(__na_, _STD::addressof(__p->__value_.second));
         if (__first_constructed)
-            __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.first));
+            __alloc_traits::destroy(__na_, _STD::addressof(__p->__value_.first));
         if (__p)
             __alloc_traits::deallocate(__na_, __p, 1);
     }
@@ -666,11 +666,11 @@ hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(const key_type& __k)
 {
     __node_allocator& __na = __table_.__node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.first), __k);
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.first), __k);
     __h.get_deleter().__first_constructed = true;
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.second));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.second));
     __h.get_deleter().__second_constructed = true;
-    return _VSTD::move(__h);
+    return _STD::move(__h);
 }
 
 template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
@@ -963,9 +963,9 @@ operator==(const hash_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
     {
         _EqRng __xeq = __x.equal_range(__i->first);
         _EqRng __yeq = __y.equal_range(__i->first);
-        if (_VSTD::distance(__xeq.first, __xeq.second) !=
-            _VSTD::distance(__yeq.first, __yeq.second) ||
-                  !_VSTD::is_permutation(__xeq.first, __xeq.second, __yeq.first))
+        if (_STD::distance(__xeq.first, __xeq.second) !=
+            _STD::distance(__yeq.first, __yeq.second) ||
+                  !_STD::is_permutation(__xeq.first, __xeq.second, __yeq.first))
             return false;
         __i = __xeq.second;
     }

include/ext/hash_set

@@ -627,9 +627,9 @@ operator==(const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
     {
         _EqRng __xeq = __x.equal_range(*__i);
         _EqRng __yeq = __y.equal_range(*__i);
-        if (_VSTD::distance(__xeq.first, __xeq.second) !=
-            _VSTD::distance(__yeq.first, __yeq.second) ||
-                  !_VSTD::is_permutation(__xeq.first, __xeq.second, __yeq.first))
+        if (_STD::distance(__xeq.first, __xeq.second) !=
+            _STD::distance(__yeq.first, __yeq.second) ||
+                  !_STD::is_permutation(__xeq.first, __xeq.second, __yeq.first))
             return false;
         __i = __xeq.second;
     }

include/forward_list

@@ -34,8 +34,7 @@ public:
     typedef <details> iterator;
     typedef <details> const_iterator;
 
-    forward_list()
-        noexcept(is_nothrow_default_constructible<allocator_type>::value);
+    forward_list();
     explicit forward_list(const allocator_type& a);
     explicit forward_list(size_type n);
     forward_list(size_type n, const value_type& v);
@@ -46,8 +45,7 @@ public:
         forward_list(InputIterator first, InputIterator last, const allocator_type& a);
     forward_list(const forward_list& x);
     forward_list(const forward_list& x, const allocator_type& a);
-    forward_list(forward_list&& x)
-        noexcept(is_nothrow_move_constructible<allocator_type>::value);
+    forward_list(forward_list&& x);
     forward_list(forward_list&& x, const allocator_type& a);
     forward_list(initializer_list<value_type> il);
     forward_list(initializer_list<value_type> il, const allocator_type& a);
@@ -55,10 +53,7 @@ public:
     ~forward_list();
 
     forward_list& operator=(const forward_list& x);
-    forward_list& operator=(forward_list&& x)
-        noexcept(
-             allocator_type::propagate_on_container_move_assignment::value &&
-             is_nothrow_move_assignable<allocator_type>::value);
+    forward_list& operator=(forward_list&& x);
     forward_list& operator=(initializer_list<value_type> il);
 
     template <class InputIterator>
@@ -66,22 +61,22 @@ public:
     void assign(size_type n, const value_type& v);
     void assign(initializer_list<value_type> il);
 
-    allocator_type get_allocator() const noexcept;
+    allocator_type get_allocator() const;
 
-    iterator       begin() noexcept;
-    const_iterator begin() const noexcept;
-    iterator       end() noexcept;
-    const_iterator end() const noexcept;
+    iterator       begin();
+    const_iterator begin() const;
+    iterator       end();
+    const_iterator end() const;
 
-    const_iterator cbegin() const noexcept;
-    const_iterator cend() const noexcept;
+    const_iterator cbegin() const;
+    const_iterator cend() const;
 
-    iterator       before_begin() noexcept;
-    const_iterator before_begin() const noexcept;
-    const_iterator cbefore_begin() const noexcept;
+    iterator       before_begin();
+    const_iterator before_begin() const;
+    const_iterator cbefore_begin() const;
 
-    bool empty() const noexcept;
-    size_type max_size() const noexcept;
+    bool empty() const;
+    size_type max_size() const;
 
     reference       front();
     const_reference front() const;
@@ -105,13 +100,11 @@ public:
     iterator erase_after(const_iterator p);
     iterator erase_after(const_iterator first, const_iterator last);
 
-    void swap(forward_list& x)
-        noexcept(!allocator_type::propagate_on_container_swap::value ||
-                 __is_nothrow_swappable<allocator_type>::value);
+    void swap(forward_list& x);
 
     void resize(size_type n);
     void resize(size_type n, const value_type& v);
-    void clear() noexcept;
+    void clear();
 
     void splice_after(const_iterator p, forward_list& x);
     void splice_after(const_iterator p, forward_list&& x);
@@ -131,7 +124,7 @@ public:
     template <class Compare> void merge(forward_list&& x, Compare comp);
     void sort();
     template <class Compare> void sort(Compare comp);
-    void reverse() noexcept;
+    void reverse();
 };
 
 template <class T, class Allocator>
@@ -159,8 +152,7 @@ template <class T, class Allocator>
                     const forward_list<T, Allocator>& y);
 
 template <class T, class Allocator>
-    void swap(forward_list<T, Allocator>& x, forward_list<T, Allocator>& y)
-         noexcept(noexcept(x.swap(y)));
+    void swap(forward_list<T, Allocator>& x, forward_list<T, Allocator>& y);
 
 }  // std
 
@@ -178,7 +170,7 @@ template <class T, class Allocator>
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _Tp, class _VoidPtr> struct __forward_list_node;
+template <class, class> struct __forward_list_node;
 
 template <class _NodePtr>
 struct __forward_begin_node
@@ -208,8 +200,8 @@ struct __forward_list_node
     value_type __value_;
 };
 
-template<class _Tp, class _Alloc> class forward_list;
-template<class _NodeConstPtr> class __forward_list_const_iterator;
+template<class, class> class forward_list;
+template<class> class __forward_list_const_iterator;
 
 template <class _NodePtr>
 class _LIBCPP_VISIBLE __forward_list_iterator
@@ -219,7 +211,7 @@ class _LIBCPP_VISIBLE __forward_list_iterator
     __node_pointer __ptr_;
 
     _LIBCPP_INLINE_VISIBILITY
-    explicit __forward_list_iterator(__node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
+    explicit __forward_list_iterator(__node_pointer __p) : __ptr_(__p) {}
 
     template<class, class> friend class forward_list;
     template<class> friend class __forward_list_const_iterator;
@@ -240,7 +232,7 @@ public:
                                                               pointer;
 
     _LIBCPP_INLINE_VISIBILITY
-    __forward_list_iterator() _NOEXCEPT : __ptr_(nullptr) {}
+    __forward_list_iterator() : __ptr_(nullptr) {}
 
     _LIBCPP_INLINE_VISIBILITY
     reference operator*() const {return __ptr_->__value_;}
@@ -279,7 +271,7 @@ class _LIBCPP_VISIBLE __forward_list_const_iterator
     __node_const_pointer __ptr_;
 
     _LIBCPP_INLINE_VISIBILITY
-    explicit __forward_list_const_iterator(__node_const_pointer __p) _NOEXCEPT
+    explicit __forward_list_const_iterator(__node_const_pointer __p)
         : __ptr_(__p) {}
 
     typedef typename remove_const
@@ -311,9 +303,9 @@ public:
                                                               pointer;
 
     _LIBCPP_INLINE_VISIBILITY
-    __forward_list_const_iterator() _NOEXCEPT : __ptr_(nullptr) {}
+    __forward_list_const_iterator() : __ptr_(nullptr) {}
     _LIBCPP_INLINE_VISIBILITY
-    __forward_list_const_iterator(__forward_list_iterator<__node_pointer> __p) _NOEXCEPT
+    __forward_list_const_iterator(__forward_list_iterator<__node_pointer> __p)
         : __ptr_(__p.__ptr_) {}
 
     _LIBCPP_INLINE_VISIBILITY
@@ -369,47 +361,41 @@ protected:
     __compressed_pair<__begin_node, __node_allocator> __before_begin_;
 
     _LIBCPP_INLINE_VISIBILITY
-    __node_pointer        __before_begin() _NOEXCEPT
+    __node_pointer        __before_begin()
         {return pointer_traits<__node_pointer>::pointer_to(
                                 static_cast<__node&>(__before_begin_.first()));}
     _LIBCPP_INLINE_VISIBILITY
-    __node_const_pointer  __before_begin() const _NOEXCEPT
+    __node_const_pointer  __before_begin() const
         {return pointer_traits<__node_const_pointer>::pointer_to(
                           static_cast<const __node&>(__before_begin_.first()));}
 
     _LIBCPP_INLINE_VISIBILITY
-          __node_allocator& __alloc() _NOEXCEPT
-            {return __before_begin_.second();}
+          __node_allocator& __alloc()       {return __before_begin_.second();}
     _LIBCPP_INLINE_VISIBILITY
-    const __node_allocator& __alloc() const _NOEXCEPT
-        {return __before_begin_.second();}
+    const __node_allocator& __alloc() const {return __before_begin_.second();}
 
     typedef __forward_list_iterator<__node_pointer>             iterator;
     typedef __forward_list_const_iterator<__node_const_pointer> const_iterator;
 
     _LIBCPP_INLINE_VISIBILITY
     __forward_list_base()
-        _NOEXCEPT_(is_nothrow_default_constructible<__node_allocator>::value)
         : __before_begin_(__begin_node()) {}
     _LIBCPP_INLINE_VISIBILITY
     __forward_list_base(const allocator_type& __a)
         : __before_begin_(__begin_node(), __node_allocator(__a)) {}
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-public:
-    __forward_list_base(__forward_list_base&& __x)
-        _NOEXCEPT_(is_nothrow_move_constructible<__node_allocator>::value);
+    __forward_list_base(__forward_list_base&& __x);
     __forward_list_base(__forward_list_base&& __x, const allocator_type& __a);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
 private:
     __forward_list_base(const __forward_list_base&);
     __forward_list_base& operator=(const __forward_list_base&);
+protected:
 
-public:
     ~__forward_list_base();
 
-protected:
     _LIBCPP_INLINE_VISIBILITY
     void __copy_assign_alloc(const __forward_list_base& __x)
         {__copy_assign_alloc(__x, integral_constant<bool,
@@ -417,17 +403,11 @@ protected:
 
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(__forward_list_base& __x)
-        _NOEXCEPT_(!__node_traits::propagate_on_container_move_assignment::value ||
-                   is_nothrow_move_assignable<__node_allocator>::value)
         {__move_assign_alloc(__x, integral_constant<bool,
               __node_traits::propagate_on_container_move_assignment::value>());}
 
-public:
-    void swap(__forward_list_base& __x)
-        _NOEXCEPT_(!__node_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<__node_allocator>::value);
-protected:
-    void clear() _NOEXCEPT;
+    void swap(__forward_list_base& __x);
+    void clear();
 
 private:
     _LIBCPP_INLINE_VISIBILITY
@@ -441,30 +421,24 @@ private:
     }
 
     _LIBCPP_INLINE_VISIBILITY
-    void __move_assign_alloc(__forward_list_base& __x, false_type) _NOEXCEPT
-        {}
+    void __move_assign_alloc(__forward_list_base& __x, false_type) {}
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(__forward_list_base& __x, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<__node_allocator>::value)
-        {__alloc() = _VSTD::move(__x.__alloc());}
+        {__alloc() = _STD::move(__x.__alloc());}
 
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__node_allocator& __x, __node_allocator& __y)
-        _NOEXCEPT_(!__node_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<__node_allocator>::value)
         {__swap_alloc(__x, __y, integral_constant<bool,
                          __node_traits::propagate_on_container_swap::value>());}
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__node_allocator& __x, __node_allocator& __y,
                                                                      false_type)
-        _NOEXCEPT
         {}
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__node_allocator& __x, __node_allocator& __y,
                                                                       true_type)
-        _NOEXCEPT_(__is_nothrow_swappable<__node_allocator>::value)
         {
-            using _VSTD::swap;
+            using _STD::swap;
             swap(__x, __y);
         }
 };
@@ -474,8 +448,7 @@ private:
 template <class _Tp, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 __forward_list_base<_Tp, _Alloc>::__forward_list_base(__forward_list_base&& __x)
-        _NOEXCEPT_(is_nothrow_move_constructible<__node_allocator>::value)
-    : __before_begin_(_VSTD::move(__x.__before_begin_))
+    : __before_begin_(_STD::move(__x.__before_begin_))
 {
     __x.__before_begin()->__next_ = nullptr;
 }
@@ -505,23 +478,21 @@ template <class _Tp, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 void
 __forward_list_base<_Tp, _Alloc>::swap(__forward_list_base& __x)
-        _NOEXCEPT_(!__node_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<__node_allocator>::value)
 {
     __swap_alloc(__alloc(), __x.__alloc());
-    using _VSTD::swap;
+    using _STD::swap;
     swap(__before_begin()->__next_, __x.__before_begin()->__next_);
 }
 
 template <class _Tp, class _Alloc>
 void
-__forward_list_base<_Tp, _Alloc>::clear() _NOEXCEPT
+__forward_list_base<_Tp, _Alloc>::clear()
 {
     __node_allocator& __a = __alloc();
     for (__node_pointer __p = __before_begin()->__next_; __p != nullptr;)
     {
         __node_pointer __next = __p->__next_;
-        __node_traits::destroy(__a, _VSTD::addressof(__p->__value_));
+        __node_traits::destroy(__a, _STD::addressof(__p->__value_));
         __node_traits::deallocate(__a, __p, 1);
         __p = __next;
     }
@@ -533,11 +504,6 @@ class _LIBCPP_VISIBLE forward_list
     : private __forward_list_base<_Tp, _Alloc>
 {
     typedef __forward_list_base<_Tp, _Alloc> base;
-    typedef typename base::__node_allocator  __node_allocator;
-    typedef typename base::__node            __node;
-    typedef typename base::__node_traits     __node_traits;
-    typedef typename base::__node_pointer    __node_pointer;
-
 public:
     typedef _Tp    value_type;
     typedef _Alloc allocator_type;
@@ -552,10 +518,7 @@ public:
     typedef typename base::iterator       iterator;
     typedef typename base::const_iterator const_iterator;
 
-    _LIBCPP_INLINE_VISIBILITY
-    forward_list()
-        _NOEXCEPT_(is_nothrow_default_constructible<__node_allocator>::value)
-        {} // = default;
+    _LIBCPP_INLINE_VISIBILITY forward_list() {} // = default;
     explicit forward_list(const allocator_type& __a);
     explicit forward_list(size_type __n);
     forward_list(size_type __n, const value_type& __v);
@@ -575,9 +538,7 @@ public:
     forward_list(const forward_list& __x, const allocator_type& __a);
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
-    forward_list(forward_list&& __x)
-        _NOEXCEPT_(is_nothrow_move_constructible<base>::value)
-        : base(_VSTD::move(__x)) {}
+    forward_list(forward_list&& __x) : base(_STD::move(__x)) {}
     forward_list(forward_list&& __x, const allocator_type& __a);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     forward_list(initializer_list<value_type> __il);
@@ -587,10 +548,7 @@ public:
 
     forward_list& operator=(const forward_list& __x);
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    forward_list& operator=(forward_list&& __x)
-        _NOEXCEPT_(
-             __node_traits::propagate_on_container_move_assignment::value &&
-             is_nothrow_move_assignable<allocator_type>::value);
+    forward_list& operator=(forward_list&& __x);
 #endif
     forward_list& operator=(initializer_list<value_type> __il);
 
@@ -605,45 +563,33 @@ public:
     void assign(initializer_list<value_type> __il);
 
     _LIBCPP_INLINE_VISIBILITY
-    allocator_type get_allocator() const _NOEXCEPT
-        {return allocator_type(base::__alloc());}
+    allocator_type get_allocator() const {return allocator_type(base::__alloc());}
 
     _LIBCPP_INLINE_VISIBILITY
-    iterator       begin() _NOEXCEPT
-        {return       iterator(base::__before_begin()->__next_);}
+    iterator       begin()       {return       iterator(base::__before_begin()->__next_);}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator begin() const _NOEXCEPT
-        {return const_iterator(base::__before_begin()->__next_);}
+    const_iterator begin() const {return const_iterator(base::__before_begin()->__next_);}
     _LIBCPP_INLINE_VISIBILITY
-    iterator       end() _NOEXCEPT
-        {return       iterator(nullptr);}
+    iterator       end()         {return       iterator(nullptr);}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator end() const _NOEXCEPT
-        {return const_iterator(nullptr);}
+    const_iterator end() const   {return const_iterator(nullptr);}
 
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cbegin() const _NOEXCEPT
-        {return const_iterator(base::__before_begin()->__next_);}
+    const_iterator cbegin() const {return const_iterator(base::__before_begin()->__next_);}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cend() const _NOEXCEPT
-        {return const_iterator(nullptr);}
+    const_iterator cend() const   {return const_iterator(nullptr);}
 
     _LIBCPP_INLINE_VISIBILITY
-    iterator       before_begin() _NOEXCEPT
-        {return       iterator(base::__before_begin());}
+    iterator       before_begin()        {return       iterator(base::__before_begin());}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator before_begin() const _NOEXCEPT
-        {return const_iterator(base::__before_begin());}
+    const_iterator before_begin() const  {return const_iterator(base::__before_begin());}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cbefore_begin() const _NOEXCEPT
-        {return const_iterator(base::__before_begin());}
+    const_iterator cbefore_begin() const {return const_iterator(base::__before_begin());}
 
     _LIBCPP_INLINE_VISIBILITY
-    bool empty() const _NOEXCEPT
-        {return base::__before_begin()->__next_ == nullptr;}
+    bool empty() const {return base::__before_begin()->__next_ == nullptr;}
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_size() const _NOEXCEPT
-        {return numeric_limits<size_type>::max();}
+    size_type max_size() const {return numeric_limits<size_type>::max();}
 
     _LIBCPP_INLINE_VISIBILITY
     reference       front()       {return base::__before_begin()->__next_->__value_;}
@@ -684,15 +630,12 @@ public:
     iterator erase_after(const_iterator __f, const_iterator __l);
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(forward_list& __x)
-        _NOEXCEPT_(!__node_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<__node_allocator>::value)
-        {base::swap(__x);}
+    void swap(forward_list& __x) {base::swap(__x);}
 
     void resize(size_type __n);
     void resize(size_type __n, const value_type& __v);
     _LIBCPP_INLINE_VISIBILITY
-    void clear() _NOEXCEPT {base::clear();}
+    void clear() {base::clear();}
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
@@ -718,7 +661,7 @@ public:
     template <class _Compare>
         _LIBCPP_INLINE_VISIBILITY
         void merge(forward_list&& __x, _Compare __comp)
-        {merge(__x, _VSTD::move(__comp));}
+        {merge(__x, _STD::move(__comp));}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     void merge(forward_list& __x) {merge(__x, __less<value_type>());}
@@ -726,13 +669,16 @@ public:
     _LIBCPP_INLINE_VISIBILITY
     void sort() {sort(__less<value_type>());}
     template <class _Compare> void sort(_Compare __comp);
-    void reverse() _NOEXCEPT;
+    void reverse();
 
 private:
+    typedef typename base::__node_allocator  __node_allocator;
+    typedef typename base::__node            __node;
+    typedef typename base::__node_traits     __node_traits;
+    typedef typename base::__node_pointer    __node_pointer;
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    void __move_assign(forward_list& __x, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value);
+    void __move_assign(forward_list& __x, true_type);
     void __move_assign(forward_list& __x, false_type);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
@@ -766,7 +712,7 @@ forward_list<_Tp, _Alloc>::forward_list(size_type __n)
                                                              __p = __p->__next_)
         {
             __h.reset(__node_traits::allocate(__a, 1));
-            __node_traits::construct(__a, _VSTD::addressof(__h->__value_));
+            __node_traits::construct(__a, _STD::addressof(__h->__value_));
             __h->__next_ = nullptr;
             __p->__next_ = __h.release();
         }
@@ -832,7 +778,7 @@ forward_list<_Tp, _Alloc>::forward_list(const forward_list& __x,
 template <class _Tp, class _Alloc>
 forward_list<_Tp, _Alloc>::forward_list(forward_list&& __x,
                                         const allocator_type& __a)
-    : base(_VSTD::move(__x), __a)
+    : base(_STD::move(__x), __a)
 {
     if (base::__alloc() != __x.__alloc())
     {
@@ -874,7 +820,6 @@ forward_list<_Tp, _Alloc>::operator=(const forward_list& __x)
 template <class _Tp, class _Alloc>
 void
 forward_list<_Tp, _Alloc>::__move_assign(forward_list& __x, true_type)
-    _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value)
 {
     clear();
     base::__move_assign_alloc(__x);
@@ -899,9 +844,6 @@ template <class _Tp, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 forward_list<_Tp, _Alloc>&
 forward_list<_Tp, _Alloc>::operator=(forward_list&& __x)
-    _NOEXCEPT_(
-             __node_traits::propagate_on_container_move_assignment::value &&
-             is_nothrow_move_assignable<allocator_type>::value)
 {
     __move_assign(__x, integral_constant<bool,
           __node_traits::propagate_on_container_move_assignment::value>());
@@ -929,7 +871,7 @@ typename enable_if
 forward_list<_Tp, _Alloc>::assign(_InputIterator __f, _InputIterator __l)
 {
     iterator __i = before_begin();
-    iterator __j = _VSTD::next(__i);
+    iterator __j = _STD::next(__i);
     iterator __e = end();
     for (; __j != __e && __f != __l; ++__i, ++__j, ++__f)
         *__j = *__f;
@@ -944,7 +886,7 @@ void
 forward_list<_Tp, _Alloc>::assign(size_type __n, const value_type& __v)
 {
     iterator __i = before_begin();
-    iterator __j = _VSTD::next(__i);
+    iterator __j = _STD::next(__i);
     iterator __e = end();
     for (; __j != __e && __n > 0; --__n, ++__i, ++__j)
         *__j = __v;
@@ -973,8 +915,8 @@ forward_list<_Tp, _Alloc>::emplace_front(_Args&&... __args)
     __node_allocator& __a = base::__alloc();
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __h(__node_traits::allocate(__a, 1), _D(__a, 1));
-    __node_traits::construct(__a, _VSTD::addressof(__h->__value_),
-                                  _VSTD::forward<_Args>(__args)...);
+    __node_traits::construct(__a, _STD::addressof(__h->__value_),
+                                  _STD::forward<_Args>(__args)...);
     __h->__next_ = base::__before_begin()->__next_;
     base::__before_begin()->__next_ = __h.release();
 }
@@ -988,7 +930,7 @@ forward_list<_Tp, _Alloc>::push_front(value_type&& __v)
     __node_allocator& __a = base::__alloc();
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __h(__node_traits::allocate(__a, 1), _D(__a, 1));
-    __node_traits::construct(__a, _VSTD::addressof(__h->__value_), _VSTD::move(__v));
+    __node_traits::construct(__a, _STD::addressof(__h->__value_), _STD::move(__v));
     __h->__next_ = base::__before_begin()->__next_;
     base::__before_begin()->__next_ = __h.release();
 }
@@ -1002,7 +944,7 @@ forward_list<_Tp, _Alloc>::push_front(const value_type& __v)
     __node_allocator& __a = base::__alloc();
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __h(__node_traits::allocate(__a, 1), _D(__a, 1));
-    __node_traits::construct(__a, _VSTD::addressof(__h->__value_), __v);
+    __node_traits::construct(__a, _STD::addressof(__h->__value_), __v);
     __h->__next_ = base::__before_begin()->__next_;
     base::__before_begin()->__next_ = __h.release();
 }
@@ -1014,7 +956,7 @@ forward_list<_Tp, _Alloc>::pop_front()
     __node_allocator& __a = base::__alloc();
     __node_pointer __p = base::__before_begin()->__next_;
     base::__before_begin()->__next_ = __p->__next_;
-    __node_traits::destroy(__a, _VSTD::addressof(__p->__value_));
+    __node_traits::destroy(__a, _STD::addressof(__p->__value_));
     __node_traits::deallocate(__a, __p, 1);
 }
 
@@ -1030,8 +972,8 @@ forward_list<_Tp, _Alloc>::emplace_after(const_iterator __p, _Args&&... __args)
     __node_allocator& __a = base::__alloc();
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __h(__node_traits::allocate(__a, 1), _D(__a, 1));
-    __node_traits::construct(__a, _VSTD::addressof(__h->__value_),
-                                  _VSTD::forward<_Args>(__args)...);
+    __node_traits::construct(__a, _STD::addressof(__h->__value_),
+                                  _STD::forward<_Args>(__args)...);
     __h->__next_ = __r->__next_;
     __r->__next_ = __h.release();
     return iterator(__r->__next_);
@@ -1047,7 +989,7 @@ forward_list<_Tp, _Alloc>::insert_after(const_iterator __p, value_type&& __v)
     __node_allocator& __a = base::__alloc();
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __h(__node_traits::allocate(__a, 1), _D(__a, 1));
-    __node_traits::construct(__a, _VSTD::addressof(__h->__value_), _VSTD::move(__v));
+    __node_traits::construct(__a, _STD::addressof(__h->__value_), _STD::move(__v));
     __h->__next_ = __r->__next_;
     __r->__next_ = __h.release();
     return iterator(__r->__next_);
@@ -1063,7 +1005,7 @@ forward_list<_Tp, _Alloc>::insert_after(const_iterator __p, const value_type& __
     __node_allocator& __a = base::__alloc();
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __h(__node_traits::allocate(__a, 1), _D(__a, 1));
-    __node_traits::construct(__a, _VSTD::addressof(__h->__value_), __v);
+    __node_traits::construct(__a, _STD::addressof(__h->__value_), __v);
     __h->__next_ = __r->__next_;
     __r->__next_ = __h.release();
     return iterator(__r->__next_);
@@ -1080,7 +1022,7 @@ forward_list<_Tp, _Alloc>::insert_after(const_iterator __p, size_type __n,
         __node_allocator& __a = base::__alloc();
         typedef __allocator_destructor<__node_allocator> _D;
         unique_ptr<__node, _D> __h(__node_traits::allocate(__a, 1), _D(__a, 1));
-        __node_traits::construct(__a, _VSTD::addressof(__h->__value_), __v);
+        __node_traits::construct(__a, _STD::addressof(__h->__value_), __v);
         __node_pointer __first = __h.release();
         __node_pointer __last = __first;
 #ifndef _LIBCPP_NO_EXCEPTIONS
@@ -1090,7 +1032,7 @@ forward_list<_Tp, _Alloc>::insert_after(const_iterator __p, size_type __n,
             for (--__n; __n != 0; --__n, __last = __last->__next_)
             {
                 __h.reset(__node_traits::allocate(__a, 1));
-                __node_traits::construct(__a, _VSTD::addressof(__h->__value_), __v);
+                __node_traits::construct(__a, _STD::addressof(__h->__value_), __v);
                 __last->__next_ = __h.release();
             }
 #ifndef _LIBCPP_NO_EXCEPTIONS
@@ -1100,7 +1042,7 @@ forward_list<_Tp, _Alloc>::insert_after(const_iterator __p, size_type __n,
             while (__first != nullptr)
             {
                 __node_pointer __next = __first->__next_;
-                __node_traits::destroy(__a, _VSTD::addressof(__first->__value_));
+                __node_traits::destroy(__a, _STD::addressof(__first->__value_));
                 __node_traits::deallocate(__a, __first, 1);
                 __first = __next;
             }
@@ -1130,7 +1072,7 @@ forward_list<_Tp, _Alloc>::insert_after(const_iterator __p,
         __node_allocator& __a = base::__alloc();
         typedef __allocator_destructor<__node_allocator> _D;
         unique_ptr<__node, _D> __h(__node_traits::allocate(__a, 1), _D(__a, 1));
-        __node_traits::construct(__a, _VSTD::addressof(__h->__value_), *__f);
+        __node_traits::construct(__a, _STD::addressof(__h->__value_), *__f);
         __node_pointer __first = __h.release();
         __node_pointer __last = __first;
 #ifndef _LIBCPP_NO_EXCEPTIONS
@@ -1140,7 +1082,7 @@ forward_list<_Tp, _Alloc>::insert_after(const_iterator __p,
             for (++__f; __f != __l; ++__f, __last = __last->__next_)
             {
                 __h.reset(__node_traits::allocate(__a, 1));
-                __node_traits::construct(__a, _VSTD::addressof(__h->__value_), *__f);
+                __node_traits::construct(__a, _STD::addressof(__h->__value_), *__f);
                 __last->__next_ = __h.release();
             }
 #ifndef _LIBCPP_NO_EXCEPTIONS
@@ -1150,7 +1092,7 @@ forward_list<_Tp, _Alloc>::insert_after(const_iterator __p,
             while (__first != nullptr)
             {
                 __node_pointer __next = __first->__next_;
-                __node_traits::destroy(__a, _VSTD::addressof(__first->__value_));
+                __node_traits::destroy(__a, _STD::addressof(__first->__value_));
                 __node_traits::deallocate(__a, __first, 1);
                 __first = __next;
             }
@@ -1172,7 +1114,7 @@ forward_list<_Tp, _Alloc>::erase_after(const_iterator __f)
     __node_pointer __n = __p->__next_;
     __p->__next_ = __n->__next_;
     __node_allocator& __a = base::__alloc();
-    __node_traits::destroy(__a, _VSTD::addressof(__n->__value_));
+    __node_traits::destroy(__a, _STD::addressof(__n->__value_));
     __node_traits::deallocate(__a, __n, 1);
     return iterator(__p->__next_);
 }
@@ -1193,7 +1135,7 @@ forward_list<_Tp, _Alloc>::erase_after(const_iterator __f, const_iterator __l)
             do
             {
                 __p = __n->__next_;
-                __node_traits::destroy(__a, _VSTD::addressof(__n->__value_));
+                __node_traits::destroy(__a, _STD::addressof(__n->__value_));
                 __node_traits::deallocate(__a, __n, 1);
                 __n = __p;
             } while (__n != __e);
@@ -1226,7 +1168,7 @@ forward_list<_Tp, _Alloc>::resize(size_type __n)
                                                          __ptr = __ptr->__next_)
             {
                 __h.reset(__node_traits::allocate(__a, 1));
-                __node_traits::construct(__a, _VSTD::addressof(__h->__value_));
+                __node_traits::construct(__a, _STD::addressof(__h->__value_));
                 __h->__next_ = nullptr;
                 __ptr->__next_ = __h.release();
             }
@@ -1258,7 +1200,7 @@ forward_list<_Tp, _Alloc>::resize(size_type __n, const value_type& __v)
                                                          __ptr = __ptr->__next_)
             {
                 __h.reset(__node_traits::allocate(__a, 1));
-                __node_traits::construct(__a, _VSTD::addressof(__h->__value_), __v);
+                __node_traits::construct(__a, _STD::addressof(__h->__value_), __v);
                 __h->__next_ = nullptr;
                 __ptr->__next_ = __h.release();
             }
@@ -1293,7 +1235,7 @@ forward_list<_Tp, _Alloc>::splice_after(const_iterator __p,
                                         forward_list& __x,
                                         const_iterator __i)
 {
-    const_iterator __lm1 = _VSTD::next(__i);
+    const_iterator __lm1 = _STD::next(__i);
     if (__p != __i && __p != __lm1)
     {
         const_cast<__node_pointer>(__i.__ptr_)->__next_ =
@@ -1370,7 +1312,7 @@ forward_list<_Tp, _Alloc>::remove(const value_type& __v)
     {
         if (__i.__ptr_->__next_->__value_ == __v)
         {
-            iterator __j = _VSTD::next(__i, 2);
+            iterator __j = _STD::next(__i, 2);
             for (; __j != __e && *__j == __v; ++__j)
                 ;
             erase_after(__i, __j);
@@ -1393,7 +1335,7 @@ forward_list<_Tp, _Alloc>::remove_if(_Predicate __pred)
     {
         if (__pred(__i.__ptr_->__next_->__value_))
         {
-            iterator __j = _VSTD::next(__i, 2);
+            iterator __j = _STD::next(__i, 2);
             for (; __j != __e && __pred(*__j); ++__j)
                 ;
             erase_after(__i, __j);
@@ -1413,7 +1355,7 @@ forward_list<_Tp, _Alloc>::unique(_BinaryPredicate __binary_pred)
 {
     for (iterator __i = begin(), __e = end(); __i != __e;)
     {
-        iterator __j = _VSTD::next(__i);
+        iterator __j = _STD::next(__i);
         for (; __j != __e && __binary_pred(*__i, *__j); ++__j)
             ;
         if (__i.__ptr_->__next_ != __j.__ptr_)
@@ -1488,7 +1430,7 @@ void
 forward_list<_Tp, _Alloc>::sort(_Compare __comp)
 {
     base::__before_begin()->__next_ = __sort(base::__before_begin()->__next_,
-                                       _VSTD::distance(begin(), end()), __comp);
+                                       _STD::distance(begin(), end()), __comp);
 }
 
 template <class _Tp, class _Alloc>
@@ -1514,7 +1456,7 @@ forward_list<_Tp, _Alloc>::__sort(__node_pointer __f1, difference_type __sz,
     }
     difference_type __sz1 = __sz / 2;
     difference_type __sz2 = __sz - __sz1;
-    __node_pointer __t = _VSTD::next(iterator(__f1), __sz1 - 1).__ptr_;
+    __node_pointer __t = _STD::next(iterator(__f1), __sz1 - 1).__ptr_;
     __node_pointer __f2 = __t->__next_;
     __t->__next_ = nullptr;
     return __merge(__sort(__f1, __sz1, __comp),
@@ -1523,7 +1465,7 @@ forward_list<_Tp, _Alloc>::__sort(__node_pointer __f1, difference_type __sz,
 
 template <class _Tp, class _Alloc>
 void
-forward_list<_Tp, _Alloc>::reverse() _NOEXCEPT
+forward_list<_Tp, _Alloc>::reverse()
 {
     __node_pointer __p = base::__before_begin()->__next_;
     if (__p != nullptr)
@@ -1570,7 +1512,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 bool operator< (const forward_list<_Tp, _Alloc>& __x,
                 const forward_list<_Tp, _Alloc>& __y)
 {
-    return _VSTD::lexicographical_compare(__x.begin(), __x.end(),
+    return _STD::lexicographical_compare(__x.begin(), __x.end(),
                                          __y.begin(), __y.end());
 }
 
@@ -1602,7 +1544,6 @@ template <class _Tp, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(forward_list<_Tp, _Alloc>& __x, forward_list<_Tp, _Alloc>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }

include/fstream

@@ -362,9 +362,9 @@ basic_filebuf<_CharT, _Traits>::swap(basic_filebuf& __rhs)
     basic_streambuf<char_type, traits_type>::swap(__rhs);
     if (__extbuf_ != __extbuf_min_ && __rhs.__extbuf_ != __rhs.__extbuf_min_)
     {
-        _VSTD::swap(__extbuf_, __rhs.__extbuf_);
-        _VSTD::swap(__extbufnext_, __rhs.__extbufnext_);
-        _VSTD::swap(__extbufend_, __rhs.__extbufend_);
+        _STD::swap(__extbuf_, __rhs.__extbuf_);
+        _STD::swap(__extbufnext_, __rhs.__extbufnext_);
+        _STD::swap(__extbufend_, __rhs.__extbufend_);
     }
     else
     {
@@ -387,17 +387,17 @@ basic_filebuf<_CharT, _Traits>::swap(basic_filebuf& __rhs)
         __rhs.__extbufnext_ = __rhs.__extbuf_ + __ln;
         __rhs.__extbufend_ = __rhs.__extbuf_ + __le;
     }
-    _VSTD::swap(__ebs_, __rhs.__ebs_);
-    _VSTD::swap(__intbuf_, __rhs.__intbuf_);
-    _VSTD::swap(__ibs_, __rhs.__ibs_);
-    _VSTD::swap(__file_, __rhs.__file_);
-    _VSTD::swap(__cv_, __rhs.__cv_);
-    _VSTD::swap(__st_, __rhs.__st_);
-    _VSTD::swap(__om_, __rhs.__om_);
-    _VSTD::swap(__cm_, __rhs.__cm_);
-    _VSTD::swap(__owns_eb_, __rhs.__owns_eb_);
-    _VSTD::swap(__owns_ib_, __rhs.__owns_ib_);
-    _VSTD::swap(__always_noconv_, __rhs.__always_noconv_);
+    _STD::swap(__ebs_, __rhs.__ebs_);
+    _STD::swap(__intbuf_, __rhs.__intbuf_);
+    _STD::swap(__ibs_, __rhs.__ibs_);
+    _STD::swap(__file_, __rhs.__file_);
+    _STD::swap(__cv_, __rhs.__cv_);
+    _STD::swap(__st_, __rhs.__st_);
+    _STD::swap(__om_, __rhs.__om_);
+    _STD::swap(__cm_, __rhs.__cm_);
+    _STD::swap(__owns_eb_, __rhs.__owns_eb_);
+    _STD::swap(__owns_ib_, __rhs.__owns_ib_);
+    _STD::swap(__always_noconv_, __rhs.__always_noconv_);
     if (this->eback() == (char_type*)__rhs.__extbuf_min_)
     {
         ptrdiff_t __n = this->gptr() - this->eback();
@@ -587,7 +587,7 @@ basic_filebuf<_CharT, _Traits>::underflow()
             memmove(__extbuf_, __extbufnext_, __extbufend_ - __extbufnext_);
             __extbufnext_ = __extbuf_ + (__extbufend_ - __extbufnext_);
             __extbufend_ = __extbuf_ + (__extbuf_ == __extbuf_min_ ? sizeof(__extbuf_min_) : __ebs_);
-            size_t __nmemb = _VSTD::min(static_cast<size_t>(this->egptr() - this->eback() - __unget_sz),
+            size_t __nmemb = _STD::min(static_cast<size_t>(this->egptr() - this->eback() - __unget_sz),
                                  static_cast<size_t>(__extbufend_ - __extbufnext_));
             codecvt_base::result __r;
             state_type __svs = __st_;
@@ -1019,8 +1019,8 @@ basic_ifstream<_CharT, _Traits>::basic_ifstream(const string& __s, ios_base::ope
 template <class _CharT, class _Traits>
 inline _LIBCPP_INLINE_VISIBILITY
 basic_ifstream<_CharT, _Traits>::basic_ifstream(basic_ifstream&& __rhs)
-    : basic_istream<char_type, traits_type>(_VSTD::move(__rhs)),
-      __sb_(_VSTD::move(__rhs.__sb_))
+    : basic_istream<char_type, traits_type>(_STD::move(__rhs)),
+      __sb_(_STD::move(__rhs.__sb_))
 {
     this->set_rdbuf(&__sb_);
 }
@@ -1030,8 +1030,8 @@ inline _LIBCPP_INLINE_VISIBILITY
 basic_ifstream<_CharT, _Traits>&
 basic_ifstream<_CharT, _Traits>::operator=(basic_ifstream&& __rhs)
 {
-    basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
-    __sb_ = _VSTD::move(__rhs.__sb_);
+    basic_istream<char_type, traits_type>::operator=(_STD::move(__rhs));
+    __sb_ = _STD::move(__rhs.__sb_);
     return *this;
 }
 
@@ -1164,8 +1164,8 @@ basic_ofstream<_CharT, _Traits>::basic_ofstream(const string& __s, ios_base::ope
 template <class _CharT, class _Traits>
 inline _LIBCPP_INLINE_VISIBILITY
 basic_ofstream<_CharT, _Traits>::basic_ofstream(basic_ofstream&& __rhs)
-    : basic_ostream<char_type, traits_type>(_VSTD::move(__rhs)),
-      __sb_(_VSTD::move(__rhs.__sb_))
+    : basic_ostream<char_type, traits_type>(_STD::move(__rhs)),
+      __sb_(_STD::move(__rhs.__sb_))
 {
     this->set_rdbuf(&__sb_);
 }
@@ -1175,8 +1175,8 @@ inline _LIBCPP_INLINE_VISIBILITY
 basic_ofstream<_CharT, _Traits>&
 basic_ofstream<_CharT, _Traits>::operator=(basic_ofstream&& __rhs)
 {
-    basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
-    __sb_ = _VSTD::move(__rhs.__sb_);
+    basic_ostream<char_type, traits_type>::operator=(_STD::move(__rhs));
+    __sb_ = _STD::move(__rhs.__sb_);
     return *this;
 }
 
@@ -1309,8 +1309,8 @@ basic_fstream<_CharT, _Traits>::basic_fstream(const string& __s, ios_base::openm
 template <class _CharT, class _Traits>
 inline _LIBCPP_INLINE_VISIBILITY
 basic_fstream<_CharT, _Traits>::basic_fstream(basic_fstream&& __rhs)
-    : basic_iostream<char_type, traits_type>(_VSTD::move(__rhs)),
-      __sb_(_VSTD::move(__rhs.__sb_))
+    : basic_iostream<char_type, traits_type>(_STD::move(__rhs)),
+      __sb_(_STD::move(__rhs.__sb_))
 {
     this->set_rdbuf(&__sb_);
 }
@@ -1320,8 +1320,8 @@ inline _LIBCPP_INLINE_VISIBILITY
 basic_fstream<_CharT, _Traits>&
 basic_fstream<_CharT, _Traits>::operator=(basic_fstream&& __rhs)
 {
-    basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
-    __sb_ = _VSTD::move(__rhs.__sb_);
+    basic_iostream<char_type, traits_type>::operator=(_STD::move(__rhs));
+    __sb_ = _STD::move(__rhs.__sb_);
     return *this;
 }
 

include/functional

@@ -43,16 +43,16 @@ public:
     typedef see below result_type; // Not always defined
 
     // construct/copy/destroy
-    reference_wrapper(T&) noexcept;
+    reference_wrapper(T&);
     reference_wrapper(T&&) = delete; // do not bind to temps
-    reference_wrapper(const reference_wrapper<T>& x) noexcept;
+    reference_wrapper(const reference_wrapper<T>& x);
 
     // assignment
-    reference_wrapper& operator=(const reference_wrapper<T>& x) noexcept;
+    reference_wrapper& operator=(const reference_wrapper<T>& x);
 
     // access
-    operator T& () const noexcept;
-    T& get() const noexcept;
+    operator T& () const;
+    T& get() const;
 
     // invoke
     template <class... ArgTypes>
@@ -60,13 +60,13 @@ public:
           operator() (ArgTypes&&...) const;
 };
 
-template <class T> reference_wrapper<T> ref(T& t) noexcept;
+template <class T> reference_wrapper<T> ref(T& t);
 template <class T> void ref(const T&& t) = delete;
-template <class T> reference_wrapper<T> ref(reference_wrapper<T>t) noexcept;
+template <class T> reference_wrapper<T> ref(reference_wrapper<T>t);
 
-template <class T> reference_wrapper<const T> cref(const T& t) noexcept;
+template <class T> reference_wrapper<const T> cref(const T& t);
 template <class T> void cref(const T&& t) = delete;
-template <class T> reference_wrapper<const T> cref(reference_wrapper<T> t) noexcept;
+template <class T> reference_wrapper<const T> cref(reference_wrapper<T> t);
 
 template <class T>
 struct plus : binary_function<T, T, T>
@@ -365,16 +365,16 @@ public:
     typedef R result_type;
 
     // construct/copy/destroy:
-    function() noexcept;
-    function(nullptr_t) noexcept;
+    function();
+    function(nullptr_t);
     function(const function&);
-    function(function&&) noexcept;
+    function(function&&);
     template<class F>
       function(F);
     template<Allocator Alloc>
-      function(allocator_arg_t, const Alloc&) noexcept;
+      function(allocator_arg_t, const Alloc&);
     template<Allocator Alloc>
-      function(allocator_arg_t, const Alloc&, nullptr_t) noexcept;
+      function(allocator_arg_t, const Alloc&, nullptr_t);
     template<Allocator Alloc>
       function(allocator_arg_t, const Alloc&, const function&);
     template<Allocator Alloc>
@@ -383,48 +383,54 @@ public:
       function(allocator_arg_t, const Alloc&, F);
 
     function& operator=(const function&);
-    function& operator=(function&&) noexcept;
-    function& operator=(nullptr_t) noexcept;
+    function& operator=(function&&);
+    function& operator=(nullptr_t);
     template<class F>
       function& operator=(F&&);
     template<class F>
-      function& operator=(reference_wrapper<F>) noexcept;
+      function& operator=(reference_wrapper<F>);
 
     ~function();
 
     // function modifiers:
-    void swap(function&) noexcept;
+    void swap(function&);
     template<class F, class Alloc>
       void assign(F&&, const Alloc&);
 
     // function capacity:
-    explicit operator bool() const noexcept;
+    explicit operator bool() const;
+
+    // deleted overloads close possible hole in the type system
+    template<class R2, class... ArgTypes2>
+      bool operator==(const function<R2(ArgTypes2...)>&) = delete;
+    template<class R2, class... ArgTypes2>
+      bool operator!=(const function<R2(ArgTypes2...)>&) = delete;
 
     // function invocation:
     R operator()(ArgTypes...) const;
 
     // function target access:
-    const std::type_info& target_type() const noexcept;
-    template <typename T>       T* target() noexcept;
-    template <typename T> const T* target() const noexcept;
+    const std::type_info& target_type() const;
+    template <typename T>       T* target();
+    template <typename T> const T* target() const;
 };
 
 // Null pointer comparisons:
 template <class R, class ... ArgTypes>
-  bool operator==(const function<R(ArgTypes...)>&, nullptr_t) noexcept;
+  bool operator==(const function<R(ArgTypes...)>&, nullptr_t);
 
 template <class R, class ... ArgTypes>
-  bool operator==(nullptr_t, const function<R(ArgTypes...)>&) noexcept;
+  bool operator==(nullptr_t, const function<R(ArgTypes...)>&);
 
 template <class R, class ... ArgTypes>
-  bool operator!=(const function<R(ArgTypes...)>&, nullptr_t) noexcept;
+  bool operator!=(const function<R(ArgTypes...)>&, nullptr_t);
 
 template <class  R, class ... ArgTypes>
-  bool operator!=(nullptr_t, const function<R(ArgTypes...)>&) noexcept;
+  bool operator!=(nullptr_t, const function<R(ArgTypes...)>&);
 
 // specialized algorithms:
 template <class  R, class ... ArgTypes>
-  void swap(function<R(ArgTypes...)>&, function<R(ArgTypes...)>&) noexcept;
+  void swap(function<R(ArgTypes...)>&, function<R(ArgTypes...)>&);
 
 template <class T> struct hash;
 
@@ -884,7 +890,7 @@ public:
        typename __invoke_return<type, _ArgTypes...>::type
           operator() (_ArgTypes&&... __args)
           {
-              return __invoke(__f_, _VSTD::forward<_ArgTypes>(__args)...);
+              return __invoke(__f_, _STD::forward<_ArgTypes>(__args)...);
           }
 };
 
@@ -974,12 +980,12 @@ public:
     _LIBCPP_INLINE_VISIBILITY virtual ~__base() {}
     virtual __base* __clone() const = 0;
     virtual void __clone(__base*) const = 0;
-    virtual void destroy() _NOEXCEPT = 0;
-    virtual void destroy_deallocate() _NOEXCEPT = 0;
+    virtual void destroy() = 0;
+    virtual void destroy_deallocate() = 0;
     virtual _R operator()(_ArgTypes&& ...) = 0;
 #ifndef _LIBCPP_NO_RTTI
-    virtual const void* target(const type_info&) const _NOEXCEPT = 0;
-    virtual const std::type_info& target_type() const _NOEXCEPT = 0;
+    virtual const void* target(const type_info&) const = 0;
+    virtual const std::type_info& target_type() const = 0;
 #endif  // _LIBCPP_NO_RTTI
 };
 
@@ -992,17 +998,17 @@ class __func<_F, _Alloc, _R(_ArgTypes...)>
     __compressed_pair<_F, _Alloc> __f_;
 public:
     _LIBCPP_INLINE_VISIBILITY
-    explicit __func(_F __f) : __f_(_VSTD::move(__f)) {}
+    explicit __func(_F __f) : __f_(_STD::move(__f)) {}
     _LIBCPP_INLINE_VISIBILITY
-    explicit __func(_F __f, _Alloc __a) : __f_(_VSTD::move(__f), _VSTD::move(__a)) {}
+    explicit __func(_F __f, _Alloc __a) : __f_(_STD::move(__f), _STD::move(__a)) {}
     virtual __base<_R(_ArgTypes...)>* __clone() const;
     virtual void __clone(__base<_R(_ArgTypes...)>*) const;
-    virtual void destroy() _NOEXCEPT;
-    virtual void destroy_deallocate() _NOEXCEPT;
+    virtual void destroy();
+    virtual void destroy_deallocate();
     virtual _R operator()(_ArgTypes&& ... __arg);
 #ifndef _LIBCPP_NO_RTTI
-    virtual const void* target(const type_info&) const _NOEXCEPT;
-    virtual const std::type_info& target_type() const _NOEXCEPT;
+    virtual const void* target(const type_info&) const;
+    virtual const std::type_info& target_type() const;
 #endif  // _LIBCPP_NO_RTTI
 };
 
@@ -1027,14 +1033,14 @@ __func<_F, _Alloc, _R(_ArgTypes...)>::__clone(__base<_R(_ArgTypes...)>* __p) con
 
 template<class _F, class _Alloc, class _R, class ..._ArgTypes>
 void
-__func<_F, _Alloc, _R(_ArgTypes...)>::destroy() _NOEXCEPT
+__func<_F, _Alloc, _R(_ArgTypes...)>::destroy()
 {
     __f_.~__compressed_pair<_F, _Alloc>();
 }
 
 template<class _F, class _Alloc, class _R, class ..._ArgTypes>
 void
-__func<_F, _Alloc, _R(_ArgTypes...)>::destroy_deallocate() _NOEXCEPT
+__func<_F, _Alloc, _R(_ArgTypes...)>::destroy_deallocate()
 {
     typedef typename _Alloc::template rebind<__func>::other _A;
     _A __a(__f_.second());
@@ -1046,14 +1052,14 @@ template<class _F, class _Alloc, class _R, class ..._ArgTypes>
 _R
 __func<_F, _Alloc, _R(_ArgTypes...)>::operator()(_ArgTypes&& ... __arg)
 {
-    return __invoke(__f_.first(), _VSTD::forward<_ArgTypes>(__arg)...);
+    return __invoke(__f_.first(), _STD::forward<_ArgTypes>(__arg)...);
 }
 
 #ifndef _LIBCPP_NO_RTTI
 
 template<class _F, class _Alloc, class _R, class ..._ArgTypes>
 const void*
-__func<_F, _Alloc, _R(_ArgTypes...)>::target(const type_info& __ti) const _NOEXCEPT
+__func<_F, _Alloc, _R(_ArgTypes...)>::target(const type_info& __ti) const
 {
     if (__ti == typeid(_F))
         return &__f_.first();
@@ -1062,7 +1068,7 @@ __func<_F, _Alloc, _R(_ArgTypes...)>::target(const type_info& __ti) const _NOEXC
 
 template<class _F, class _Alloc, class _R, class ..._ArgTypes>
 const std::type_info&
-__func<_F, _Alloc, _R(_ArgTypes...)>::target_type() const _NOEXCEPT
+__func<_F, _Alloc, _R(_ArgTypes...)>::target_type() const
 {
     return typeid(_F);
 }
@@ -1101,56 +1107,41 @@ class _LIBCPP_VISIBLE function<_R(_ArgTypes...)>
     template <class _R2, class ..._A>
         _LIBCPP_INLINE_VISIBILITY
         static bool __not_null(const function<_R(_A...)>& __p) {return __p;}
-
-    template <class _F, bool = __invokable<_F&, _ArgTypes...>::value>
-        struct __callable;
-    template <class _F>
-        struct __callable<_F, true>
-        {
-            static const bool value =
-                is_convertible<typename __invoke_of<_F&, _ArgTypes...>::type,
-                               _R>::value;
-        };
-    template <class _F>
-        struct __callable<_F, false>
-        {
-            static const bool value = false;
-        };
 public:
     typedef _R result_type;
 
     // construct/copy/destroy:
     _LIBCPP_INLINE_VISIBILITY
-    function() _NOEXCEPT : __f_(0) {}
+    function() : __f_(0) {}
     _LIBCPP_INLINE_VISIBILITY
-    function(nullptr_t) _NOEXCEPT : __f_(0) {}
+    function(nullptr_t) : __f_(0) {}
     function(const function&);
-    function(function&&) _NOEXCEPT;
+    function(function&&);
     template<class _F>
       function(_F,
-               typename enable_if<__callable<_F>::value>::type* = 0);
+               typename enable_if<!is_integral<_F>::value>::type* = 0);
 
     template<class _Alloc>
       _LIBCPP_INLINE_VISIBILITY
-      function(allocator_arg_t, const _Alloc&) _NOEXCEPT : __f_(0) {}
+      function(allocator_arg_t, const _Alloc&) : __f_(0) {}
     template<class _Alloc>
       _LIBCPP_INLINE_VISIBILITY
-      function(allocator_arg_t, const _Alloc&, nullptr_t) _NOEXCEPT : __f_(0) {}
+      function(allocator_arg_t, const _Alloc&, nullptr_t) : __f_(0) {}
     template<class _Alloc>
       function(allocator_arg_t, const _Alloc&, const function&);
     template<class _Alloc>
       function(allocator_arg_t, const _Alloc&, function&&);
     template<class _F, class _Alloc>
       function(allocator_arg_t, const _Alloc& __a, _F __f,
-               typename enable_if<__callable<_F>::value>::type* = 0);
+               typename enable_if<!is_integral<_F>::value>::type* = 0);
 
     function& operator=(const function&);
-    function& operator=(function&&) _NOEXCEPT;
-    function& operator=(nullptr_t) _NOEXCEPT;
+    function& operator=(function&&);
+    function& operator=(nullptr_t);
     template<class _F>
       typename enable_if
       <
-        __callable<typename decay<_F>::type>::value,
+        !is_integral<typename decay<_F>::type>::value,
         function&
       >::type
       operator=(_F&&);
@@ -1158,15 +1149,15 @@ public:
     ~function();
 
     // function modifiers:
-    void swap(function&) _NOEXCEPT;
+    void swap(function&);
     template<class _F, class _Alloc>
       _LIBCPP_INLINE_VISIBILITY
       void assign(_F&& __f, const _Alloc& __a)
-        {function(allocator_arg, __a, _VSTD::forward<_F>(__f)).swap(*this);}
+        {function(allocator_arg, __a, _STD::forward<_F>(__f)).swap(*this);}
 
     // function capacity:
     _LIBCPP_INLINE_VISIBILITY
-    /*explicit*/ operator bool() const _NOEXCEPT {return __f_;}
+    /*explicit*/ operator bool() const {return __f_;}
 
     // deleted overloads close possible hole in the type system
     template<class _R2, class... _ArgTypes2>
@@ -1179,9 +1170,9 @@ public:
 
 #ifndef _LIBCPP_NO_RTTI
     // function target access:
-    const std::type_info& target_type() const _NOEXCEPT;
-    template <typename _T> _T* target() _NOEXCEPT;
-    template <typename _T> const _T* target() const _NOEXCEPT;
+    const std::type_info& target_type() const;
+    template <typename _T> _T* target();
+    template <typename _T> const _T* target() const;
 #endif  // _LIBCPP_NO_RTTI
 };
 
@@ -1216,7 +1207,7 @@ function<_R(_ArgTypes...)>::function(allocator_arg_t, const _Alloc&,
 }
 
 template<class _R, class ..._ArgTypes>
-function<_R(_ArgTypes...)>::function(function&& __f) _NOEXCEPT
+function<_R(_ArgTypes...)>::function(function&& __f)
 {
     if (__f.__f_ == 0)
         __f_ = 0;
@@ -1254,16 +1245,16 @@ function<_R(_ArgTypes...)>::function(allocator_arg_t, const _Alloc&,
 template<class _R, class ..._ArgTypes>
 template <class _F>
 function<_R(_ArgTypes...)>::function(_F __f,
-                                     typename enable_if<__callable<_F>::value>::type*)
+                                     typename enable_if<!is_integral<_F>::value>::type*)
     : __f_(0)
 {
     if (__not_null(__f))
     {
         typedef __function::__func<_F, allocator<_F>, _R(_ArgTypes...)> _FF;
-        if (sizeof(_FF) <= sizeof(__buf_) && is_nothrow_copy_constructible<_F>::value)
+        if (sizeof(_FF) <= sizeof(__buf_))
         {
             __f_ = (__base*)&__buf_;
-            ::new (__f_) _FF(_VSTD::move(__f));
+            ::new (__f_) _FF(_STD::move(__f));
         }
         else
         {
@@ -1271,7 +1262,7 @@ function<_R(_ArgTypes...)>::function(_F __f,
             _A __a;
             typedef __allocator_destructor<_A> _D;
             unique_ptr<__base, _D> __hold(__a.allocate(1), _D(__a, 1));
-            ::new (__hold.get()) _FF(_VSTD::move(__f), allocator<_F>(__a));
+            ::new (__hold.get()) _FF(_STD::move(__f), allocator<_F>(__a));
             __f_ = __hold.release();
         }
     }
@@ -1280,17 +1271,17 @@ function<_R(_ArgTypes...)>::function(_F __f,
 template<class _R, class ..._ArgTypes>
 template <class _F, class _Alloc>
 function<_R(_ArgTypes...)>::function(allocator_arg_t, const _Alloc& __a0, _F __f,
-                                     typename enable_if<__callable<_F>::value>::type*)
+                                     typename enable_if<!is_integral<_F>::value>::type*)
     : __f_(0)
 {
     typedef allocator_traits<_Alloc> __alloc_traits;
     if (__not_null(__f))
     {
         typedef __function::__func<_F, _Alloc, _R(_ArgTypes...)> _FF;
-        if (sizeof(_FF) <= sizeof(__buf_) && is_nothrow_copy_constructible<_F>::value)
+        if (sizeof(_FF) <= sizeof(__buf_))
         {
             __f_ = (__base*)&__buf_;
-            ::new (__f_) _FF(_VSTD::move(__f));
+            ::new (__f_) _FF(_STD::move(__f));
         }
         else
         {
@@ -1304,7 +1295,7 @@ function<_R(_ArgTypes...)>::function(allocator_arg_t, const _Alloc& __a0, _F __f
             _A __a(__a0);
             typedef __allocator_destructor<_A> _D;
             unique_ptr<__base, _D> __hold(__a.allocate(1), _D(__a, 1));
-            ::new (__hold.get()) _FF(_VSTD::move(__f), _Alloc(__a));
+            ::new (__hold.get()) _FF(_STD::move(__f), _Alloc(__a));
             __f_ = __hold.release();
         }
     }
@@ -1320,7 +1311,7 @@ function<_R(_ArgTypes...)>::operator=(const function& __f)
 
 template<class _R, class ..._ArgTypes>
 function<_R(_ArgTypes...)>&
-function<_R(_ArgTypes...)>::operator=(function&& __f) _NOEXCEPT
+function<_R(_ArgTypes...)>::operator=(function&& __f)
 {
     if (__f_ == (__base*)&__buf_)
         __f_->destroy();
@@ -1343,7 +1334,7 @@ function<_R(_ArgTypes...)>::operator=(function&& __f) _NOEXCEPT
 
 template<class _R, class ..._ArgTypes>
 function<_R(_ArgTypes...)>&
-function<_R(_ArgTypes...)>::operator=(nullptr_t) _NOEXCEPT
+function<_R(_ArgTypes...)>::operator=(nullptr_t)
 {
     if (__f_ == (__base*)&__buf_)
         __f_->destroy();
@@ -1356,12 +1347,12 @@ template<class _R, class ..._ArgTypes>
 template <class _F>
 typename enable_if
 <
-    function<_R(_ArgTypes...)>::template __callable<typename decay<_F>::type>::value,
+    !is_integral<typename decay<_F>::type>::value,
     function<_R(_ArgTypes...)>&
 >::type
 function<_R(_ArgTypes...)>::operator=(_F&& __f)
 {
-    function(_VSTD::forward<_F>(__f)).swap(*this);
+    function(_STD::forward<_F>(__f)).swap(*this);
     return *this;
 }
 
@@ -1376,7 +1367,7 @@ function<_R(_ArgTypes...)>::~function()
 
 template<class _R, class ..._ArgTypes>
 void
-function<_R(_ArgTypes...)>::swap(function& __f) _NOEXCEPT
+function<_R(_ArgTypes...)>::swap(function& __f)
 {
     if (__f_ == (__base*)&__buf_ && __f.__f_ == (__base*)&__f.__buf_)
     {
@@ -1408,7 +1399,7 @@ function<_R(_ArgTypes...)>::swap(function& __f) _NOEXCEPT
         __f_ = (__base*)&__buf_;
     }
     else
-        _VSTD::swap(__f_, __f.__f_);
+        _STD::swap(__f_, __f.__f_);
 }
 
 template<class _R, class ..._ArgTypes>
@@ -1419,14 +1410,14 @@ function<_R(_ArgTypes...)>::operator()(_ArgTypes... __arg) const
     if (__f_ == 0)
         throw bad_function_call();
 #endif  // _LIBCPP_NO_EXCEPTIONS
-    return (*__f_)(_VSTD::forward<_ArgTypes>(__arg)...);
+    return (*__f_)(_STD::forward<_ArgTypes>(__arg)...);
 }
 
 #ifndef _LIBCPP_NO_RTTI
 
 template<class _R, class ..._ArgTypes>
 const std::type_info&
-function<_R(_ArgTypes...)>::target_type() const _NOEXCEPT
+function<_R(_ArgTypes...)>::target_type() const
 {
     if (__f_ == 0)
         return typeid(void);
@@ -1436,7 +1427,7 @@ function<_R(_ArgTypes...)>::target_type() const _NOEXCEPT
 template<class _R, class ..._ArgTypes>
 template <typename _T>
 _T*
-function<_R(_ArgTypes...)>::target() _NOEXCEPT
+function<_R(_ArgTypes...)>::target()
 {
     if (__f_ == 0)
         return (_T*)0;
@@ -1446,7 +1437,7 @@ function<_R(_ArgTypes...)>::target() _NOEXCEPT
 template<class _R, class ..._ArgTypes>
 template <typename _T>
 const _T*
-function<_R(_ArgTypes...)>::target() const _NOEXCEPT
+function<_R(_ArgTypes...)>::target() const
 {
     if (__f_ == 0)
         return (const _T*)0;
@@ -1458,27 +1449,27 @@ function<_R(_ArgTypes...)>::target() const _NOEXCEPT
 template <class _R, class... _ArgTypes>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator==(const function<_R(_ArgTypes...)>& __f, nullptr_t) _NOEXCEPT {return !__f;}
+operator==(const function<_R(_ArgTypes...)>& __f, nullptr_t) {return !__f;}
 
 template <class _R, class... _ArgTypes>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator==(nullptr_t, const function<_R(_ArgTypes...)>& __f) _NOEXCEPT {return !__f;}
+operator==(nullptr_t, const function<_R(_ArgTypes...)>& __f) {return !__f;}
 
 template <class _R, class... _ArgTypes>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator!=(const function<_R(_ArgTypes...)>& __f, nullptr_t) _NOEXCEPT {return (bool)__f;}
+operator!=(const function<_R(_ArgTypes...)>& __f, nullptr_t) {return (bool)__f;}
 
 template <class _R, class... _ArgTypes>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator!=(nullptr_t, const function<_R(_ArgTypes...)>& __f) _NOEXCEPT {return (bool)__f;}
+operator!=(nullptr_t, const function<_R(_ArgTypes...)>& __f) {return (bool)__f;}
 
 template <class _R, class... _ArgTypes>
 inline _LIBCPP_INLINE_VISIBILITY
 void
-swap(function<_R(_ArgTypes...)>& __x, function<_R(_ArgTypes...)>& __y) _NOEXCEPT
+swap(function<_R(_ArgTypes...)>& __x, function<_R(_ArgTypes...)>& __y)
 {return __x.swap(__y);}
 
 template<class _Tp> struct __is_bind_expression : public false_type {};
@@ -1519,12 +1510,21 @@ __mu(reference_wrapper<_Tp> __t, _Uj&)
     return __t.get();
 }
 
+template <bool _IsBindExpr, class _Ti, class ..._Uj>
+struct __mu_return1 {};
+
+template <class _Ti, class ..._Uj>
+struct __mu_return1<true, _Ti, _Uj...>
+{
+    typedef typename result_of<_Ti(_Uj...)>::type type;
+};
+
 template <class _Ti, class ..._Uj, size_t ..._Indx>
 inline _LIBCPP_INLINE_VISIBILITY
-typename __invoke_of<_Ti&, _Uj...>::type
-__mu_expand(_Ti& __ti, tuple<_Uj...>& __uj, __tuple_indices<_Indx...>)
+typename __mu_return1<true, _Ti, _Uj...>::type
+__mu_expand(_Ti& __ti, tuple<_Uj...>&& __uj, __tuple_indices<_Indx...>)
 {
-    return __ti(_VSTD::forward<_Uj>(get<_Indx>(__uj))...);
+    return __ti(_STD::forward<typename tuple_element<_Indx, _Uj>::type>(get<_Indx>(__uj))...);
 }
 
 template <class _Ti, class ..._Uj>
@@ -1532,7 +1532,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 typename enable_if
 <
     is_bind_expression<_Ti>::value,
-    typename __invoke_of<_Ti&, _Uj...>::type
+    typename __mu_return1<is_bind_expression<_Ti>::value, _Ti, _Uj...>::type
 >::type
 __mu(_Ti& __ti, tuple<_Uj...>& __uj)
 {
@@ -1559,7 +1559,7 @@ typename enable_if
 __mu(_Ti&, _Uj& __uj)
 {
     const size_t _Indx = is_placeholder<_Ti>::value - 1;
-    return _VSTD::forward<typename tuple_element<_Indx, _Uj>::type>(get<_Indx>(__uj));
+    return _STD::forward<typename tuple_element<_Indx, _Uj>::type>(get<_Indx>(__uj));
 }
 
 template <class _Ti, class _Uj>
@@ -1576,31 +1576,24 @@ __mu(_Ti& __ti, _Uj& __uj)
     return __ti;
 }
 
-template <class _Ti, bool IsReferenceWrapper, bool IsBindEx, bool IsPh,
-          class _TupleUj>
+template <class _Ti, bool IsBindEx, bool IsPh, class _TupleUj>
 struct ____mu_return;
 
 template <class _Ti, class ..._Uj>
-struct ____mu_return<_Ti, false, true, false, tuple<_Uj...> >
+struct ____mu_return<_Ti, true, false, tuple<_Uj...> >
 {
-    typedef typename __invoke_of<_Ti&, _Uj...>::type type;
+    typedef typename result_of<_Ti(_Uj...)>::type type;
 };
 
 template <class _Ti, class _TupleUj>
-struct ____mu_return<_Ti, false, false, true, _TupleUj>
+struct ____mu_return<_Ti, false, true, _TupleUj>
 {
     typedef typename tuple_element<is_placeholder<_Ti>::value - 1,
                                    _TupleUj>::type&& type;
 };
 
 template <class _Ti, class _TupleUj>
-struct ____mu_return<_Ti, true, false, false, _TupleUj>
-{
-    typedef typename _Ti::type& type;
-};
-
-template <class _Ti, class _TupleUj>
-struct ____mu_return<_Ti, false, false, false, _TupleUj>
+struct ____mu_return<_Ti, false, false, _TupleUj>
 {
     typedef _Ti& type;
 };
@@ -1608,20 +1601,25 @@ struct ____mu_return<_Ti, false, false, false, _TupleUj>
 template <class _Ti, class _TupleUj>
 struct __mu_return
     : public ____mu_return<_Ti,
-                           __is_reference_wrapper<_Ti>::value,
                            is_bind_expression<_Ti>::value,
                            0 < is_placeholder<_Ti>::value,
                            _TupleUj>
 {
 };
 
+template <class _Ti, class _TupleUj>
+struct __mu_return<reference_wrapper<_Ti>, _TupleUj>
+{
+    typedef _Ti& type;
+};
+
 template <class _F, class _BoundArgs, class _TupleUj>
 struct __bind_return;
 
 template <class _F, class ..._BoundArgs, class _TupleUj>
 struct __bind_return<_F, tuple<_BoundArgs...>, _TupleUj>
 {
-    typedef typename __invoke_of
+    typedef typename __invoke_return
     <
         _F&,
         typename __mu_return
@@ -1635,7 +1633,7 @@ struct __bind_return<_F, tuple<_BoundArgs...>, _TupleUj>
 template <class _F, class ..._BoundArgs, class _TupleUj>
 struct __bind_return<_F, const tuple<_BoundArgs...>, _TupleUj>
 {
-    typedef typename __invoke_of
+    typedef typename __invoke_return
     <
         _F&,
         typename __mu_return
@@ -1657,67 +1655,41 @@ __apply_functor(_F& __f, _BoundArgs& __bound_args, __tuple_indices<_Indx...>,
 
 template<class _F, class ..._BoundArgs>
 class __bind
-    : public __weak_result_type<typename decay<_F>::type>
+    : public __weak_result_type<_F>
 {
-    typedef typename decay<_F>::type _Fd;
-    typedef tuple<typename decay<_BoundArgs>::type...> _Td;
-    _Fd __f_;
-    _Td __bound_args_;
+    _F __f_;
+    tuple<_BoundArgs...> __bound_args_;
 
     typedef typename __make_tuple_indices<sizeof...(_BoundArgs)>::type __indices;
 public:
-#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
-
-    _LIBCPP_INLINE_VISIBILITY
-    __bind(const __bind& __b)
-        : __f_(__b.__f_),
-          __bound_args_(__b.__bound_args_) {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    __bind& operator=(const __bind& __b)
-    {
-        __f_ = __b.__f_;
-        __bound_args_ = __b.__bound_args_;
-        return *this;
-    }
-
     _LIBCPP_INLINE_VISIBILITY
     __bind(__bind&& __b)
-        : __f_(_VSTD::move(__b.__f_)),
-          __bound_args_(_VSTD::move(__b.__bound_args_)) {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    __bind& operator=(__bind&& __b)
-    {
-        __f_ = _VSTD::move(__b.__f_);
-        __bound_args_ = _VSTD::move(__b.__bound_args_);
-        return *this;
-    }
-
-#endif  // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
+        : __f_(_STD::move(__b.__f_)),
+          __bound_args_(_STD::move(__b.__bound_args_)) {}
 
     template <class _G, class ..._BA>
       _LIBCPP_INLINE_VISIBILITY
       explicit __bind(_G&& __f, _BA&& ...__bound_args)
-        : __f_(_VSTD::forward<_G>(__f)),
-          __bound_args_(_VSTD::forward<_BA>(__bound_args)...) {}
+        : __f_(_STD::forward<_G>(__f)),
+          __bound_args_(_STD::forward<_BA>(__bound_args)...) {}
 
     template <class ..._Args>
         _LIBCPP_INLINE_VISIBILITY
-        typename __bind_return<_Fd, _Td, tuple<_Args&&...> >::type
+        typename __bind_return<_F, tuple<_BoundArgs...>, tuple<_Args&&...> >::type
         operator()(_Args&& ...__args)
         {
+            // compiler bug workaround
             return __apply_functor(__f_, __bound_args_, __indices(),
-                                  tuple<_Args&&...>(_VSTD::forward<_Args>(__args)...));
+                                  tuple<_Args&&...>(_STD::forward<_Args>(__args)...));
         }
 
     template <class ..._Args>
         _LIBCPP_INLINE_VISIBILITY
-        typename __bind_return<_Fd, _Td, tuple<_Args&&...> >::type
+        typename __bind_return<_F, tuple<_BoundArgs...>, tuple<_Args&&...> >::type
         operator()(_Args&& ...__args) const
         {
             return __apply_functor(__f_, __bound_args_, __indices(),
-                                   tuple<_Args&&...>(_VSTD::forward<_Args>(__args)...));
+                                   tuple<_Args&&...>(_STD::forward<_Args>(__args)...));
         }
 };
 
@@ -1732,44 +1704,18 @@ class __bind_r
 public:
     typedef _R result_type;
 
-#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
-
-    _LIBCPP_INLINE_VISIBILITY
-    __bind_r(const __bind_r& __b)
-        : base(_VSTD::forward<const base&>(__b)) {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    __bind_r& operator=(const __bind_r& __b)
-    {
-        base::operator=(_VSTD::forward<const base&>(__b));
-        return *this;
-    }
-
-    _LIBCPP_INLINE_VISIBILITY
-    __bind_r(__bind_r&& __b)
-        : base(_VSTD::forward<base>(__b)) {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    __bind_r& operator=(__bind_r&& __b)
-    {
-        base::operator=(_VSTD::forward<base>(__b));
-        return *this;
-    }
-
-#endif  // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
-
     template <class _G, class ..._BA>
       _LIBCPP_INLINE_VISIBILITY
       explicit __bind_r(_G&& __f, _BA&& ...__bound_args)
-        : base(_VSTD::forward<_G>(__f),
-               _VSTD::forward<_BA>(__bound_args)...) {}
+        : base(_STD::forward<_G>(__f),
+               _STD::forward<_BA>(__bound_args)...) {}
 
     template <class ..._Args>
         _LIBCPP_INLINE_VISIBILITY
         result_type
         operator()(_Args&& ...__args)
         {
-            return base::operator()(_VSTD::forward<_Args>(__args)...);
+            return base::operator()(_STD::forward<_Args>(__args)...);
         }
 
     template <class ..._Args>
@@ -1777,7 +1723,7 @@ public:
         result_type
         operator()(_Args&& ...__args) const
         {
-            return base::operator()(_VSTD::forward<_Args>(__args)...);
+            return base::operator()(_STD::forward<_Args>(__args)...);
         }
 };
 
@@ -1786,20 +1732,20 @@ struct __is_bind_expression<__bind_r<_R, _F, _BoundArgs...> > : public true_type
 
 template<class _F, class ..._BoundArgs>
 inline _LIBCPP_INLINE_VISIBILITY
-__bind<_F, _BoundArgs...>
+__bind<typename decay<_F>::type, typename decay<_BoundArgs>::type...>
 bind(_F&& __f, _BoundArgs&&... __bound_args)
 {
-    typedef __bind<_F, _BoundArgs...> type;
-    return type(_VSTD::forward<_F>(__f), _VSTD::forward<_BoundArgs>(__bound_args)...);
+    typedef __bind<typename decay<_F>::type, typename decay<_BoundArgs>::type...> type;
+    return type(_STD::forward<_F>(__f), _STD::forward<_BoundArgs>(__bound_args)...);
 }
 
 template<class _R, class _F, class ..._BoundArgs>
 inline _LIBCPP_INLINE_VISIBILITY
-__bind_r<_R, _F, _BoundArgs...>
+__bind_r<_R, typename decay<_F>::type, typename decay<_BoundArgs>::type...>
 bind(_F&& __f, _BoundArgs&&... __bound_args)
 {
-    typedef __bind_r<_R, _F, _BoundArgs...> type;
-    return type(_VSTD::forward<_F>(__f), _VSTD::forward<_BoundArgs>(__bound_args)...);
+    typedef __bind_r<_R, typename decay<_F>::type, typename decay<_BoundArgs>::type...> type;
+    return type(_STD::forward<_F>(__f), _STD::forward<_BoundArgs>(__bound_args)...);
 }
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
@@ -1809,7 +1755,7 @@ struct _LIBCPP_VISIBLE hash<bool>
     : public unary_function<bool, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(bool __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
+    size_t operator()(bool __v) const {return static_cast<size_t>(__v);}
 };
 
 template <>
@@ -1817,7 +1763,7 @@ struct _LIBCPP_VISIBLE hash<char>
     : public unary_function<char, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(char __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
+    size_t operator()(char __v) const {return static_cast<size_t>(__v);}
 };
 
 template <>
@@ -1825,7 +1771,7 @@ struct _LIBCPP_VISIBLE hash<signed char>
     : public unary_function<signed char, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(signed char __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
+    size_t operator()(signed char __v) const {return static_cast<size_t>(__v);}
 };
 
 template <>
@@ -1833,7 +1779,7 @@ struct _LIBCPP_VISIBLE hash<unsigned char>
     : public unary_function<unsigned char, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(unsigned char __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
+    size_t operator()(unsigned char __v) const {return static_cast<size_t>(__v);}
 };
 
 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
@@ -1843,7 +1789,7 @@ struct _LIBCPP_VISIBLE hash<char16_t>
     : public unary_function<char16_t, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(char16_t __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
+    size_t operator()(char16_t __v) const {return static_cast<size_t>(__v);}
 };
 
 template <>
@@ -1851,7 +1797,7 @@ struct _LIBCPP_VISIBLE hash<char32_t>
     : public unary_function<char32_t, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(char32_t __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
+    size_t operator()(char32_t __v) const {return static_cast<size_t>(__v);}
 };
 
 #endif  // _LIBCPP_HAS_NO_UNICODE_CHARS
@@ -1861,7 +1807,7 @@ struct _LIBCPP_VISIBLE hash<wchar_t>
     : public unary_function<wchar_t, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(wchar_t __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
+    size_t operator()(wchar_t __v) const {return static_cast<size_t>(__v);}
 };
 
 template <>
@@ -1869,7 +1815,7 @@ struct _LIBCPP_VISIBLE hash<short>
     : public unary_function<short, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(short __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
+    size_t operator()(short __v) const {return static_cast<size_t>(__v);}
 };
 
 template <>
@@ -1877,7 +1823,7 @@ struct _LIBCPP_VISIBLE hash<unsigned short>
     : public unary_function<unsigned short, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(unsigned short __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
+    size_t operator()(unsigned short __v) const {return static_cast<size_t>(__v);}
 };
 
 template <>
@@ -1885,7 +1831,7 @@ struct _LIBCPP_VISIBLE hash<int>
     : public unary_function<int, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(int __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
+    size_t operator()(int __v) const {return static_cast<size_t>(__v);}
 };
 
 template <>
@@ -1893,7 +1839,7 @@ struct _LIBCPP_VISIBLE hash<unsigned int>
     : public unary_function<unsigned int, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(unsigned int __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
+    size_t operator()(unsigned int __v) const {return static_cast<size_t>(__v);}
 };
 
 template <>
@@ -1901,7 +1847,7 @@ struct _LIBCPP_VISIBLE hash<long>
     : public unary_function<long, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(long __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
+    size_t operator()(long __v) const {return static_cast<size_t>(__v);}
 };
 
 template <>
@@ -1909,7 +1855,7 @@ struct _LIBCPP_VISIBLE hash<unsigned long>
     : public unary_function<unsigned long, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(unsigned long __v) const _NOEXCEPT {return static_cast<size_t>(__v);}
+    size_t operator()(unsigned long __v) const {return static_cast<size_t>(__v);}
 };
 
 template <>
@@ -1917,7 +1863,7 @@ struct _LIBCPP_VISIBLE hash<long long>
     : public unary_function<long long, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(long long __v) const _NOEXCEPT
+    size_t operator()(long long __v) const
     {
         size_t __r = 0;
         const size_t* const __p = reinterpret_cast<const size_t*>(&__v);
@@ -1932,7 +1878,7 @@ struct _LIBCPP_VISIBLE hash<unsigned long long>
     : public unary_function<unsigned long long, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(unsigned long long __v) const _NOEXCEPT
+    size_t operator()(unsigned long long __v) const
     {
         size_t __r = 0;
         const size_t* const __p = reinterpret_cast<const size_t*>(&__v);
@@ -1947,7 +1893,7 @@ struct _LIBCPP_VISIBLE hash<float>
     : public unary_function<float, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(float __v) const _NOEXCEPT
+    size_t operator()(float __v) const
     {
         if (__v == 0)
             return 0;
@@ -1961,7 +1907,7 @@ struct _LIBCPP_VISIBLE hash<double>
     : public unary_function<double, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(double __v) const _NOEXCEPT
+    size_t operator()(double __v) const
     {
         if (__v == 0)
             return 0;
@@ -1978,7 +1924,7 @@ struct _LIBCPP_VISIBLE hash<long double>
     : public unary_function<long double, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(long double __v) const _NOEXCEPT
+    size_t operator()(long double __v) const
     {
         if (__v == 0)
             return 0;

include/future

@@ -452,8 +452,6 @@ public:
 
     _LIBCPP_INLINE_VISIBILITY
     const error_code& code() const throw() {return __ec_;}
-
-    virtual ~future_error() _NOEXCEPT;
 };
 
 class __assoc_sub_state
@@ -465,7 +463,7 @@ protected:
     mutable condition_variable __cv_;
     unsigned __state_;
 
-    virtual void __on_zero_shared() _NOEXCEPT;
+    virtual void __on_zero_shared();
     void __sub_wait(unique_lock<mutex>& __lk);
 public:
     enum
@@ -545,7 +543,7 @@ class __assoc_state
 protected:
     _U __value_;
 
-    virtual void __on_zero_shared() _NOEXCEPT;
+    virtual void __on_zero_shared();
 public:
 
     template <class _Arg>
@@ -568,7 +566,7 @@ public:
 
 template <class _R>
 void
-__assoc_state<_R>::__on_zero_shared() _NOEXCEPT
+__assoc_state<_R>::__on_zero_shared()
 {
     if (this->__state_ & base::__constructed)
         reinterpret_cast<_R*>(&__value_)->~_R();
@@ -585,11 +583,9 @@ __assoc_state<_R>::set_value(_Arg& __arg)
 #endif
 {
     unique_lock<mutex> __lk(this->__mut_);
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (this->__has_value())
         throw future_error(make_error_code(future_errc::promise_already_satisfied));
-#endif
-    ::new(&__value_) _R(_VSTD::forward<_Arg>(__arg));
+    ::new(&__value_) _R(_STD::forward<_Arg>(__arg));
     this->__state_ |= base::__constructed | base::ready;
     __lk.unlock();
     __cv_.notify_all();
@@ -605,11 +601,9 @@ __assoc_state<_R>::set_value_at_thread_exit(_Arg& __arg)
 #endif
 {
     unique_lock<mutex> __lk(this->__mut_);
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (this->__has_value())
         throw future_error(make_error_code(future_errc::promise_already_satisfied));
-#endif
-    ::new(&__value_) _R(_VSTD::forward<_Arg>(__arg));
+    ::new(&__value_) _R(_STD::forward<_Arg>(__arg));
     this->__state_ |= base::__constructed;
     __thread_local_data()->__make_ready_at_thread_exit(this);
     __lk.unlock();
@@ -623,7 +617,7 @@ __assoc_state<_R>::move()
     this->__sub_wait(__lk);
     if (this->__exception_ != nullptr)
         rethrow_exception(this->__exception_);
-    return _VSTD::move(*reinterpret_cast<_R*>(&__value_));
+    return _STD::move(*reinterpret_cast<_R*>(&__value_));
 }
 
 template <class _R>
@@ -646,7 +640,7 @@ class __assoc_state<_R&>
 protected:
     _U __value_;
 
-    virtual void __on_zero_shared() _NOEXCEPT;
+    virtual void __on_zero_shared();
 public:
 
     void set_value(_R& __arg);
@@ -657,7 +651,7 @@ public:
 
 template <class _R>
 void
-__assoc_state<_R&>::__on_zero_shared() _NOEXCEPT
+__assoc_state<_R&>::__on_zero_shared()
 {
     delete this;
 }
@@ -667,10 +661,8 @@ void
 __assoc_state<_R&>::set_value(_R& __arg)
 {
     unique_lock<mutex> __lk(this->__mut_);
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (this->__has_value())
         throw future_error(make_error_code(future_errc::promise_already_satisfied));
-#endif
     __value_ = &__arg;
     this->__state_ |= base::__constructed | base::ready;
     __lk.unlock();
@@ -682,10 +674,8 @@ void
 __assoc_state<_R&>::set_value_at_thread_exit(_R& __arg)
 {
     unique_lock<mutex> __lk(this->__mut_);
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (this->__has_value())
         throw future_error(make_error_code(future_errc::promise_already_satisfied));
-#endif
     __value_ = &__arg;
     this->__state_ |= base::__constructed;
     __thread_local_data()->__make_ready_at_thread_exit(this);
@@ -710,7 +700,7 @@ class __assoc_state_alloc
     typedef __assoc_state<_R> base;
     _Alloc __alloc_;
 
-    virtual void __on_zero_shared() _NOEXCEPT;
+    virtual void __on_zero_shared();
 public:
     _LIBCPP_INLINE_VISIBILITY
     explicit __assoc_state_alloc(const _Alloc& __a)
@@ -719,7 +709,7 @@ public:
 
 template <class _R, class _Alloc>
 void
-__assoc_state_alloc<_R, _Alloc>::__on_zero_shared() _NOEXCEPT
+__assoc_state_alloc<_R, _Alloc>::__on_zero_shared()
 {
     if (this->__state_ & base::__constructed)
         reinterpret_cast<_R*>(&this->__value_)->~_R();
@@ -735,7 +725,7 @@ class __assoc_state_alloc<_R&, _Alloc>
     typedef __assoc_state<_R&> base;
     _Alloc __alloc_;
 
-    virtual void __on_zero_shared() _NOEXCEPT;
+    virtual void __on_zero_shared();
 public:
     _LIBCPP_INLINE_VISIBILITY
     explicit __assoc_state_alloc(const _Alloc& __a)
@@ -744,7 +734,7 @@ public:
 
 template <class _R, class _Alloc>
 void
-__assoc_state_alloc<_R&, _Alloc>::__on_zero_shared() _NOEXCEPT
+__assoc_state_alloc<_R&, _Alloc>::__on_zero_shared()
 {
     typename _Alloc::template rebind<__assoc_state_alloc>::other __a(__alloc_);
     this->~__assoc_state_alloc();
@@ -758,7 +748,7 @@ class __assoc_sub_state_alloc
     typedef __assoc_sub_state base;
     _Alloc __alloc_;
 
-    virtual void __on_zero_shared() _NOEXCEPT;
+    virtual void __on_zero_shared();
 public:
     _LIBCPP_INLINE_VISIBILITY
     explicit __assoc_sub_state_alloc(const _Alloc& __a)
@@ -767,7 +757,7 @@ public:
 
 template <class _Alloc>
 void
-__assoc_sub_state_alloc<_Alloc>::__on_zero_shared() _NOEXCEPT
+__assoc_sub_state_alloc<_Alloc>::__on_zero_shared()
 {
     this->~base();
     typename _Alloc::template rebind<__assoc_sub_state_alloc>::other __a(__alloc_);
@@ -796,7 +786,7 @@ public:
 template <class _R, class _F>
 inline _LIBCPP_INLINE_VISIBILITY
 __deferred_assoc_state<_R, _F>::__deferred_assoc_state(_F&& __f)
-    : __func_(_VSTD::forward<_F>(__f))
+    : __func_(_STD::forward<_F>(__f))
 {
     this->__set_deferred();
 }
@@ -842,7 +832,7 @@ public:
 template <class _F>
 inline _LIBCPP_INLINE_VISIBILITY
 __deferred_assoc_state<void, _F>::__deferred_assoc_state(_F&& __f)
-    : __func_(_VSTD::forward<_F>(__f))
+    : __func_(_STD::forward<_F>(__f))
 {
     this->__set_deferred();
 }
@@ -868,117 +858,9 @@ __deferred_assoc_state<void, _F>::__execute()
 #endif  // _LIBCPP_NO_EXCEPTIONS
 }
 
-template <class _R, class _F>
-class __async_assoc_state
-    : public __assoc_state<_R>
-{
-    typedef __assoc_state<_R> base;
-
-    _F __func_;
-
-    virtual void __on_zero_shared() _NOEXCEPT;
-public:
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    explicit __async_assoc_state(_F&& __f);
-#endif
-
-    virtual void __execute();
-};
-
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
-template <class _R, class _F>
-inline _LIBCPP_INLINE_VISIBILITY
-__async_assoc_state<_R, _F>::__async_assoc_state(_F&& __f)
-    : __func_(_VSTD::forward<_F>(__f))
-{
-}
-
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
-template <class _R, class _F>
-void
-__async_assoc_state<_R, _F>::__execute()
-{
-#ifndef _LIBCPP_NO_EXCEPTIONS
-    try
-    {
-#endif  // _LIBCPP_NO_EXCEPTIONS
-        this->set_value(__func_());
-#ifndef _LIBCPP_NO_EXCEPTIONS
-    }
-    catch (...)
-    {
-        this->set_exception(current_exception());
-    }
-#endif  // _LIBCPP_NO_EXCEPTIONS
-}
-
-template <class _R, class _F>
-void
-__async_assoc_state<_R, _F>::__on_zero_shared() _NOEXCEPT
-{
-    this->wait();
-    base::__on_zero_shared();
-}
-
-template <class _F>
-class __async_assoc_state<void, _F>
-    : public __assoc_sub_state
-{
-    typedef __assoc_sub_state base;
-
-    _F __func_;
-
-    virtual void __on_zero_shared() _NOEXCEPT;
-public:
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    explicit __async_assoc_state(_F&& __f);
-#endif
-
-    virtual void __execute();
-};
-
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
-template <class _F>
-inline _LIBCPP_INLINE_VISIBILITY
-__async_assoc_state<void, _F>::__async_assoc_state(_F&& __f)
-    : __func_(_VSTD::forward<_F>(__f))
-{
-}
-
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
-template <class _F>
-void
-__async_assoc_state<void, _F>::__execute()
-{
-#ifndef _LIBCPP_NO_EXCEPTIONS
-    try
-    {
-#endif  // _LIBCPP_NO_EXCEPTIONS
-        __func_();
-        this->set_value();
-#ifndef _LIBCPP_NO_EXCEPTIONS
-    }
-    catch (...)
-    {
-        this->set_exception(current_exception());
-    }
-#endif  // _LIBCPP_NO_EXCEPTIONS
-}
-
-template <class _F>
-void
-__async_assoc_state<void, _F>::__on_zero_shared() _NOEXCEPT
-{
-    this->wait();
-    base::__on_zero_shared();
-}
-
-template <class _R> class promise;
-template <class _R> class shared_future;
+template <class> class promise;
+template <class> class shared_future;
+template <class> class atomic_future;
 
 // future
 
@@ -992,14 +874,6 @@ __make_deferred_assoc_state(_F&& __f);
 __make_deferred_assoc_state(_F __f);
 #endif
 
-template <class _R, class _F>
-future<_R>
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-__make_async_assoc_state(_F&& __f);
-#else
-__make_async_assoc_state(_F __f);
-#endif
-
 template <class _R>
 class _LIBCPP_VISIBLE future
 {
@@ -1009,17 +883,13 @@ class _LIBCPP_VISIBLE future
 
     template <class> friend class promise;
     template <class> friend class shared_future;
+    template <class> friend class atomic_future;
 
+    template <class _R1, class _F>
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    template <class _R1, class _F>
         friend future<_R1> __make_deferred_assoc_state(_F&& __f);
-    template <class _R1, class _F>
-        friend future<_R1> __make_async_assoc_state(_F&& __f);
 #else
-    template <class _R1, class _F>
         friend future<_R1> __make_deferred_assoc_state(_F __f);
-    template <class _R1, class _F>
-        friend future<_R1> __make_async_assoc_state(_F __f);
 #endif
 
 public:
@@ -1050,7 +920,7 @@ public:
     _R get();
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(future& __rhs) {_VSTD::swap(__state_, __rhs.__state_);}
+    void swap(future& __rhs) {_STD::swap(__state_, __rhs.__state_);}
 
     // functions to check state
     _LIBCPP_INLINE_VISIBILITY
@@ -1074,10 +944,8 @@ template <class _R>
 future<_R>::future(__assoc_state<_R>* __state)
     : __state_(__state)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_->__has_future_attached())
         throw future_error(make_error_code(future_errc::future_already_retrieved));
-#endif
     __state_->__add_shared();
     __state_->__set_future_attached();
 }
@@ -1113,17 +981,13 @@ class _LIBCPP_VISIBLE future<_R&>
 
     template <class> friend class promise;
     template <class> friend class shared_future;
+    template <class> friend class atomic_future;
 
+    template <class _R1, class _F>
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    template <class _R1, class _F>
         friend future<_R1> __make_deferred_assoc_state(_F&& __f);
-    template <class _R1, class _F>
-        friend future<_R1> __make_async_assoc_state(_F&& __f);
 #else
-    template <class _R1, class _F>
         friend future<_R1> __make_deferred_assoc_state(_F __f);
-    template <class _R1, class _F>
-        friend future<_R1> __make_async_assoc_state(_F __f);
 #endif
 
 public:
@@ -1154,7 +1018,7 @@ public:
     _R& get();
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(future& __rhs) {_VSTD::swap(__state_, __rhs.__state_);}
+    void swap(future& __rhs) {_STD::swap(__state_, __rhs.__state_);}
 
     // functions to check state
     _LIBCPP_INLINE_VISIBILITY
@@ -1178,10 +1042,8 @@ template <class _R>
 future<_R&>::future(__assoc_state<_R&>* __state)
     : __state_(__state)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_->__has_future_attached())
         throw future_error(make_error_code(future_errc::future_already_retrieved));
-#endif
     __state_->__add_shared();
     __state_->__set_future_attached();
 }
@@ -1212,17 +1074,13 @@ class _LIBCPP_VISIBLE future<void>
 
     template <class> friend class promise;
     template <class> friend class shared_future;
+    template <class> friend class atomic_future;
 
+    template <class _R1, class _F>
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    template <class _R1, class _F>
         friend future<_R1> __make_deferred_assoc_state(_F&& __f);
-    template <class _R1, class _F>
-        friend future<_R1> __make_async_assoc_state(_F&& __f);
 #else
-    template <class _R1, class _F>
         friend future<_R1> __make_deferred_assoc_state(_F __f);
-    template <class _R1, class _F>
-        friend future<_R1> __make_async_assoc_state(_F __f);
 #endif
 
 public:
@@ -1253,7 +1111,7 @@ public:
     void get();
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(future& __rhs) {_VSTD::swap(__state_, __rhs.__state_);}
+    void swap(future& __rhs) {_STD::swap(__state_, __rhs.__state_);}
 
     // functions to check state
     _LIBCPP_INLINE_VISIBILITY
@@ -1283,7 +1141,7 @@ swap(future<_R>& __x, future<_R>& __y)
 
 // promise<R>
 
-template <class _Callable> class packaged_task;
+template <class> class packaged_task;
 
 template <class _R>
 class _LIBCPP_VISIBLE promise
@@ -1325,7 +1183,7 @@ private:
 public:
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
-    void swap(promise& __rhs) {_VSTD::swap(__state_, __rhs.__state_);}
+    void swap(promise& __rhs) {_STD::swap(__state_, __rhs.__state_);}
 
     // retrieving the result
     future<_R> get_future();
@@ -1380,10 +1238,8 @@ template <class _R>
 future<_R>
 promise<_R>::get_future()
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     return future<_R>(__state_);
 }
 
@@ -1391,10 +1247,8 @@ template <class _R>
 void
 promise<_R>::set_value(const _R& __r)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     __state_->set_value(__r);
 }
 
@@ -1404,11 +1258,9 @@ template <class _R>
 void
 promise<_R>::set_value(_R&& __r)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
-    __state_->set_value(_VSTD::move(__r));
+    __state_->set_value(_STD::move(__r));
 }
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -1417,10 +1269,8 @@ template <class _R>
 void
 promise<_R>::set_exception(exception_ptr __p)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     __state_->set_exception(__p);
 }
 
@@ -1428,10 +1278,8 @@ template <class _R>
 void
 promise<_R>::set_value_at_thread_exit(const _R& __r)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     __state_->set_value_at_thread_exit(__r);
 }
 
@@ -1441,11 +1289,9 @@ template <class _R>
 void
 promise<_R>::set_value_at_thread_exit(_R&& __r)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
-    __state_->set_value_at_thread_exit(_VSTD::move(__r));
+    __state_->set_value_at_thread_exit(_STD::move(__r));
 }
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -1454,10 +1300,8 @@ template <class _R>
 void
 promise<_R>::set_exception_at_thread_exit(exception_ptr __p)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     __state_->set_exception_at_thread_exit(__p);
 }
 
@@ -1504,7 +1348,7 @@ private:
 public:
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
-    void swap(promise& __rhs) {_VSTD::swap(__state_, __rhs.__state_);}
+    void swap(promise& __rhs) {_STD::swap(__state_, __rhs.__state_);}
 
     // retrieving the result
     future<_R&> get_future();
@@ -1553,10 +1397,8 @@ template <class _R>
 future<_R&>
 promise<_R&>::get_future()
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     return future<_R&>(__state_);
 }
 
@@ -1564,10 +1406,8 @@ template <class _R>
 void
 promise<_R&>::set_value(_R& __r)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     __state_->set_value(__r);
 }
 
@@ -1575,10 +1415,8 @@ template <class _R>
 void
 promise<_R&>::set_exception(exception_ptr __p)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     __state_->set_exception(__p);
 }
 
@@ -1586,10 +1424,8 @@ template <class _R>
 void
 promise<_R&>::set_value_at_thread_exit(_R& __r)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     __state_->set_value_at_thread_exit(__r);
 }
 
@@ -1597,10 +1433,8 @@ template <class _R>
 void
 promise<_R&>::set_exception_at_thread_exit(exception_ptr __p)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     __state_->set_exception_at_thread_exit(__p);
 }
 
@@ -1647,7 +1481,7 @@ private:
 public:
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
-    void swap(promise& __rhs) {_VSTD::swap(__state_, __rhs.__state_);}
+    void swap(promise& __rhs) {_STD::swap(__state_, __rhs.__state_);}
 
     // retrieving the result
     future<void> get_future();
@@ -1717,13 +1551,13 @@ public:
     _LIBCPP_INLINE_VISIBILITY
     explicit __packaged_task_func(const _F& __f) : __f_(__f) {}
     _LIBCPP_INLINE_VISIBILITY
-    explicit __packaged_task_func(_F&& __f) : __f_(_VSTD::move(__f)) {}
+    explicit __packaged_task_func(_F&& __f) : __f_(_STD::move(__f)) {}
     _LIBCPP_INLINE_VISIBILITY
     __packaged_task_func(const _F& __f, const _Alloc& __a)
         : __f_(__f, __a) {}
     _LIBCPP_INLINE_VISIBILITY
     __packaged_task_func(_F&& __f, const _Alloc& __a)
-        : __f_(_VSTD::move(__f), __a) {}
+        : __f_(_STD::move(__f), __a) {}
     virtual void __move_to(__packaged_task_base<_R(_ArgTypes...)>*);
     virtual void destroy();
     virtual void destroy_deallocate();
@@ -1735,7 +1569,7 @@ void
 __packaged_task_func<_F, _Alloc, _R(_ArgTypes...)>::__move_to(
                               __packaged_task_base<_R(_ArgTypes...)>* __p)
 {
-    ::new (__p) __packaged_task_func(_VSTD::move(__f_.first()), _VSTD::move(__f_.second()));
+    ::new (__p) __packaged_task_func(_STD::move(__f_.first()), _STD::move(__f_.second()));
 }
 
 template<class _F, class _Alloc, class _R, class ..._ArgTypes>
@@ -1759,10 +1593,10 @@ template<class _F, class _Alloc, class _R, class ..._ArgTypes>
 _R
 __packaged_task_func<_F, _Alloc, _R(_ArgTypes...)>::operator()(_ArgTypes&& ... __arg)
 {
-    return __invoke(__f_.first(), _VSTD::forward<_ArgTypes>(__arg)...);
+    return __invoke(__f_.first(), _STD::forward<_ArgTypes>(__arg)...);
 }
 
-template <class _Callable> class __packaged_task_function;
+template <class> class __packaged_task_function;
 
 template<class _R, class ..._ArgTypes>
 class __packaged_task_function<_R(_ArgTypes...)>
@@ -1822,7 +1656,7 @@ __packaged_task_function<_R(_ArgTypes...)>::__packaged_task_function(_F&& __f)
     if (sizeof(_FF) <= sizeof(__buf_))
     {
         __f_ = (__base*)&__buf_;
-        ::new (__f_) _FF(_VSTD::forward<_F>(__f));
+        ::new (__f_) _FF(_STD::forward<_F>(__f));
     }
     else
     {
@@ -1830,7 +1664,7 @@ __packaged_task_function<_R(_ArgTypes...)>::__packaged_task_function(_F&& __f)
         _A __a;
         typedef __allocator_destructor<_A> _D;
         unique_ptr<__base, _D> __hold(__a.allocate(1), _D(__a, 1));
-        ::new (__hold.get()) _FF(_VSTD::forward<_F>(__f), allocator<_FR>(__a));
+        ::new (__hold.get()) _FF(_STD::forward<_F>(__f), allocator<_FR>(__a));
         __f_ = __hold.release();
     }
 }
@@ -1847,7 +1681,7 @@ __packaged_task_function<_R(_ArgTypes...)>::__packaged_task_function(
     if (sizeof(_FF) <= sizeof(__buf_))
     {
         __f_ = (__base*)&__buf_;
-        ::new (__f_) _FF(_VSTD::forward<_F>(__f));
+        ::new (__f_) _FF(_STD::forward<_F>(__f));
     }
     else
     {
@@ -1861,7 +1695,7 @@ __packaged_task_function<_R(_ArgTypes...)>::__packaged_task_function(
         _A __a(__a0);
         typedef __allocator_destructor<_A> _D;
         unique_ptr<__base, _D> __hold(__a.allocate(1), _D(__a, 1));
-        ::new (__hold.get()) _FF(_VSTD::forward<_F>(__f), _Alloc(__a));
+        ::new (__hold.get()) _FF(_STD::forward<_F>(__f), _Alloc(__a));
         __f_ = __hold.release();
     }
 }
@@ -1932,7 +1766,7 @@ __packaged_task_function<_R(_ArgTypes...)>::swap(__packaged_task_function& __f)
         __f_ = (__base*)&__buf_;
     }
     else
-        _VSTD::swap(__f_, __f.__f_);
+        _STD::swap(__f_, __f.__f_);
 }
 
 template<class _R, class ..._ArgTypes>
@@ -1940,7 +1774,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 _R
 __packaged_task_function<_R(_ArgTypes...)>::operator()(_ArgTypes... __arg) const
 {
-    return (*__f_)(_VSTD::forward<_ArgTypes>(__arg)...);
+    return (*__f_)(_STD::forward<_ArgTypes>(__arg)...);
 }
 
 template<class _R, class ..._ArgTypes>
@@ -1959,11 +1793,11 @@ public:
     packaged_task() : __p_(nullptr) {}
     template <class _F>
         _LIBCPP_INLINE_VISIBILITY
-        explicit packaged_task(_F&& __f) : __f_(_VSTD::forward<_F>(__f)) {}
+        explicit packaged_task(_F&& __f) : __f_(_STD::forward<_F>(__f)) {}
     template <class _F, class _Allocator>
         _LIBCPP_INLINE_VISIBILITY
         explicit packaged_task(allocator_arg_t, const _Allocator& __a, _F&& __f)
-             : __f_(allocator_arg, __a, _VSTD::forward<_F>(__f)),
+             : __f_(allocator_arg, __a, _STD::forward<_F>(__f)),
                __p_(allocator_arg, __a) {}
     // ~packaged_task() = default;
 
@@ -1974,12 +1808,12 @@ public:
     // move support
     _LIBCPP_INLINE_VISIBILITY
     packaged_task(packaged_task&& __other)
-        : __f_(_VSTD::move(__other.__f_)), __p_(_VSTD::move(__other.__p_)) {}
+        : __f_(_STD::move(__other.__f_)), __p_(_STD::move(__other.__p_)) {}
     _LIBCPP_INLINE_VISIBILITY
     packaged_task& operator=(packaged_task&& __other)
     {
-        __f_ = _VSTD::move(__other.__f_);
-        __p_ = _VSTD::move(__other.__p_);
+        __f_ = _STD::move(__other.__f_);
+        __p_ = _STD::move(__other.__p_);
         return *this;
     }
     _LIBCPP_INLINE_VISIBILITY
@@ -2015,7 +1849,7 @@ packaged_task<_R(_ArgTypes...)>::operator()(_ArgTypes... __args)
     try
     {
 #endif  // _LIBCPP_NO_EXCEPTIONS
-        __p_.set_value(__f_(_VSTD::forward<_ArgTypes>(__args)...));
+        __p_.set_value(__f_(_STD::forward<_ArgTypes>(__args)...));
 #ifndef _LIBCPP_NO_EXCEPTIONS
     }
     catch (...)
@@ -2037,7 +1871,7 @@ packaged_task<_R(_ArgTypes...)>::make_ready_at_thread_exit(_ArgTypes... __args)
     try
     {
 #endif  // _LIBCPP_NO_EXCEPTIONS
-        __p_.set_value_at_thread_exit(__f_(_VSTD::forward<_ArgTypes>(__args)...));
+        __p_.set_value_at_thread_exit(__f_(_STD::forward<_ArgTypes>(__args)...));
 #ifndef _LIBCPP_NO_EXCEPTIONS
     }
     catch (...)
@@ -2074,11 +1908,11 @@ public:
     packaged_task() : __p_(nullptr) {}
     template <class _F>
         _LIBCPP_INLINE_VISIBILITY
-        explicit packaged_task(_F&& __f) : __f_(_VSTD::forward<_F>(__f)) {}
+        explicit packaged_task(_F&& __f) : __f_(_STD::forward<_F>(__f)) {}
     template <class _F, class _Allocator>
         _LIBCPP_INLINE_VISIBILITY
         explicit packaged_task(allocator_arg_t, const _Allocator& __a, _F&& __f)
-             : __f_(allocator_arg, __a, _VSTD::forward<_F>(__f)),
+             : __f_(allocator_arg, __a, _STD::forward<_F>(__f)),
                __p_(allocator_arg, __a) {}
     // ~packaged_task() = default;
 
@@ -2089,12 +1923,12 @@ public:
     // move support
     _LIBCPP_INLINE_VISIBILITY
     packaged_task(packaged_task&& __other)
-        : __f_(_VSTD::move(__other.__f_)), __p_(_VSTD::move(__other.__p_)) {}
+        : __f_(_STD::move(__other.__f_)), __p_(_STD::move(__other.__p_)) {}
     _LIBCPP_INLINE_VISIBILITY
     packaged_task& operator=(packaged_task&& __other)
     {
-        __f_ = _VSTD::move(__other.__f_);
-        __p_ = _VSTD::move(__other.__p_);
+        __f_ = _STD::move(__other.__f_);
+        __p_ = _STD::move(__other.__p_);
         return *this;
     }
     _LIBCPP_INLINE_VISIBILITY
@@ -2130,7 +1964,7 @@ packaged_task<void(_ArgTypes...)>::operator()(_ArgTypes... __args)
     try
     {
 #endif  // _LIBCPP_NO_EXCEPTIONS
-        __f_(_VSTD::forward<_ArgTypes>(__args)...);
+        __f_(_STD::forward<_ArgTypes>(__args)...);
         __p_.set_value();
 #ifndef _LIBCPP_NO_EXCEPTIONS
     }
@@ -2153,7 +1987,7 @@ packaged_task<void(_ArgTypes...)>::make_ready_at_thread_exit(_ArgTypes... __args
     try
     {
 #endif  // _LIBCPP_NO_EXCEPTIONS
-        __f_(_VSTD::forward<_ArgTypes>(__args)...);
+        __f_(_STD::forward<_ArgTypes>(__args)...);
         __p_.set_value_at_thread_exit();
 #ifndef _LIBCPP_NO_EXCEPTIONS
     }
@@ -2196,76 +2030,40 @@ __make_deferred_assoc_state(_F __f)
 #endif
 {
     unique_ptr<__deferred_assoc_state<_R, _F>, __release_shared_count>
-        __h(new __deferred_assoc_state<_R, _F>(_VSTD::forward<_F>(__f)));
-    return future<_R>(__h.get());
-}
-
-template <class _R, class _F>
-future<_R>
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-__make_async_assoc_state(_F&& __f)
-#else
-__make_async_assoc_state(_F __f)
-#endif
-{
-    unique_ptr<__async_assoc_state<_R, _F>, __release_shared_count>
-        __h(new __async_assoc_state<_R, _F>(_VSTD::forward<_F>(__f)));
-    _VSTD::thread(&__async_assoc_state<_R, _F>::__execute, __h.get()).detach();
+        __h(new __deferred_assoc_state<_R, _F>(_STD::forward<_F>(__f)));
     return future<_R>(__h.get());
 }
 
 template <class _F, class... _Args>
-class __async_func
-{
-    tuple<_F, _Args...> __f_;
-
-public:
-    typedef typename __invoke_of<_F, _Args...>::type _R;
-
-    _LIBCPP_INLINE_VISIBILITY
-    explicit __async_func(_F&& __f, _Args&&... __args)
-        : __f_(_VSTD::move(__f), _VSTD::move(__args)...) {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    __async_func(__async_func&& __f) : __f_(_VSTD::move(__f.__f_)) {}
-
-    _R operator()()
-    {
-        typedef typename __make_tuple_indices<1+sizeof...(_Args), 1>::type _Index;
-        return __execute(_Index());
-    }
-private:
-    template <size_t ..._Indices>
-    _R
-    __execute(__tuple_indices<_Indices...>)
-    {
-        return __invoke(_VSTD::move(_VSTD::get<0>(__f_)), _VSTD::move(_VSTD::get<_Indices>(__f_))...);
-    }
-};
-
-template <class _F, class... _Args>
-future<typename __invoke_of<typename decay<_F>::type, typename decay<_Args>::type...>::type>
+future<typename result_of<_F(_Args...)>::type>
 async(launch __policy, _F&& __f, _Args&&... __args)
 {
-    typedef __async_func<typename decay<_F>::type, typename decay<_Args>::type...> _BF;
-    typedef typename _BF::_R _R;
+    typedef typename result_of<_F(_Args...)>::type _R;
     future<_R> __r;
     if (__policy & launch::async)
-        __r = _VSTD::__make_async_assoc_state<_R>(_BF(__decay_copy(_VSTD::forward<_F>(__f)),
-                                                     __decay_copy(_VSTD::forward<_Args>(__args))...));
+    {
+        packaged_task<_R()> __pk(bind(_STD::forward<_F>(__f),
+                                      _STD::forward<_Args>(__args)...));
+        __r = __pk.get_future();
+        thread(_STD::move(__pk)).detach();
+    }
     else if (__policy & launch::deferred)
-        __r = _VSTD::__make_deferred_assoc_state<_R>(_BF(__decay_copy(_VSTD::forward<_F>(__f)),
-                                                        __decay_copy(_VSTD::forward<_Args>(__args))...));
+        __r = _STD::__make_deferred_assoc_state<_R>(bind(_STD::forward<_F>(__f),
+                                              _STD::forward<_Args>(__args)...));
     return __r;
 }
 
 template <class _F, class... _Args>
 inline _LIBCPP_INLINE_VISIBILITY
-future<typename __invoke_of<typename decay<_F>::type, typename decay<_Args>::type...>::type>
+typename enable_if
+<
+    !is_same<typename decay<_F>::type, launch>::value,
+    future<typename result_of<_F(_Args...)>::type>
+>::type
 async(_F&& __f, _Args&&... __args)
 {
-    return _VSTD::async(launch::any, _VSTD::forward<_F>(__f),
-                                    _VSTD::forward<_Args>(__args)...);
+    return async(launch::any, _STD::forward<_F>(__f),
+                              _STD::forward<_Args>(__args)...);
 }
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
@@ -2307,7 +2105,7 @@ public:
     const _R& get() const {return __state_->copy();}
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(shared_future& __rhs) {_VSTD::swap(__state_, __rhs.__state_);}
+    void swap(shared_future& __rhs) {_STD::swap(__state_, __rhs.__state_);}
 
     // functions to check state
     _LIBCPP_INLINE_VISIBILITY
@@ -2381,7 +2179,7 @@ public:
     _R& get() const {return __state_->copy();}
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(shared_future& __rhs) {_VSTD::swap(__state_, __rhs.__state_);}
+    void swap(shared_future& __rhs) {_STD::swap(__state_, __rhs.__state_);}
 
     // functions to check state
     _LIBCPP_INLINE_VISIBILITY
@@ -2455,7 +2253,7 @@ public:
     void get() const {__state_->copy();}
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(shared_future& __rhs) {_VSTD::swap(__state_, __rhs.__state_);}
+    void swap(shared_future& __rhs) {_STD::swap(__state_, __rhs.__state_);}
 
     // functions to check state
     _LIBCPP_INLINE_VISIBILITY
@@ -2488,7 +2286,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 shared_future<_R>
 future<_R>::share()
 {
-    return shared_future<_R>(_VSTD::move(*this));
+    return shared_future<_R>(_STD::move(*this));
 }
 
 template <class _R>
@@ -2496,7 +2294,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 shared_future<_R&>
 future<_R&>::share()
 {
-    return shared_future<_R&>(_VSTD::move(*this));
+    return shared_future<_R&>(_STD::move(*this));
 }
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -2505,7 +2303,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 shared_future<void>
 future<void>::share()
 {
-    return shared_future<void>(_VSTD::move(*this));
+    return shared_future<void>(_STD::move(*this));
 }
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES

include/initializer_list

@@ -29,15 +29,15 @@ public:
     typedef const E* iterator;
     typedef const E* const_iterator;
 
-    initializer_list() noexcept;
+    initializer_list();
 
-    size_t   size()  const noexcept;
-    const E* begin() const noexcept;
-    const E* end()   const noexcept;
+    size_t   size()  const;
+    const E* begin() const;
+    const E* end()   const;
 };
 
-template<class E> const E* begin(initializer_list<E> il) noexcept;
-template<class E> const E* end(initializer_list<E> il) noexcept;
+template<class E> const E* begin(initializer_list<E> il);
+template<class E> const E* end(initializer_list<E> il);
 
 }  // std
 
@@ -58,7 +58,7 @@ class _LIBCPP_VISIBLE initializer_list
     size_t    __size_;
 
     _LIBCPP_ALWAYS_INLINE
-    initializer_list(const _E* __b, size_t __s) _NOEXCEPT
+    initializer_list(const _E* __b, size_t __s)
         : __begin_(__b),
           __size_(__s)
         {}
@@ -71,17 +71,17 @@ public:
     typedef const _E* iterator;
     typedef const _E* const_iterator;
 
-    _LIBCPP_ALWAYS_INLINE initializer_list() _NOEXCEPT : __begin_(nullptr), __size_(0) {}
+    _LIBCPP_ALWAYS_INLINE initializer_list() : __begin_(nullptr), __size_(0) {}
 
-    _LIBCPP_ALWAYS_INLINE size_t    size()  const _NOEXCEPT {return __size_;}
-    _LIBCPP_ALWAYS_INLINE const _E* begin() const _NOEXCEPT {return __begin_;}
-    _LIBCPP_ALWAYS_INLINE const _E* end()   const _NOEXCEPT {return __begin_ + __size_;}
+    _LIBCPP_ALWAYS_INLINE size_t    size()  const {return __size_;}
+    _LIBCPP_ALWAYS_INLINE const _E* begin() const {return __begin_;}
+    _LIBCPP_ALWAYS_INLINE const _E* end()   const {return __begin_ + __size_;}
 };
 
 template<class _E>
 inline _LIBCPP_INLINE_VISIBILITY
 const _E*
-begin(initializer_list<_E> __il) _NOEXCEPT
+begin(initializer_list<_E> __il)
 {
     return __il.begin();
 }
@@ -89,7 +89,7 @@ begin(initializer_list<_E> __il) _NOEXCEPT
 template<class _E>
 inline _LIBCPP_INLINE_VISIBILITY
 const _E*
-end(initializer_list<_E> __il) _NOEXCEPT
+end(initializer_list<_E> __il)
 {
     return __il.end();
 }

include/ios

@@ -266,8 +266,8 @@ public:
     enum seekdir {beg, cur, end};
     typedef seekdir seek_dir;
 
-    typedef _VSTD::streamoff streamoff;
-    typedef _VSTD::streampos streampos;
+    typedef _STD::streamoff streamoff;
+    typedef _STD::streampos streampos;
 
     class Init;
 
@@ -776,8 +776,8 @@ void
 basic_ios<_CharT, _Traits>::swap(basic_ios& __rhs)
 {
     ios_base::swap(__rhs);
-    _VSTD::swap(__tie_, __rhs.__tie_);
-    _VSTD::swap(__fill_, __rhs.__fill_);
+    _STD::swap(__tie_, __rhs.__tie_);
+    _STD::swap(__fill_, __rhs.__fill_);
 }
 
 template <class _CharT, class _Traits>

include/iosfwd

@@ -20,7 +20,6 @@ namespace std
 template<class charT> struct char_traits;
 template<class T>     class allocator;
 
-class ios_base;
 template <class charT, class traits = char_traits<charT> > class basic_ios;
 
 template <class charT, class traits = char_traits<charT> > class basic_streambuf;

include/istream

@@ -177,13 +177,11 @@ public:
     virtual ~basic_istream();
 protected:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
     basic_istream(basic_istream&& __rhs);
 #endif
 
     // 27.7.1.1.2 Assign/swap:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
     basic_istream& operator=(basic_istream&& __rhs);
 #endif
     void swap(basic_istream& __rhs);
@@ -323,7 +321,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 basic_istream<_CharT, _Traits>::swap(basic_istream& __rhs)
 {
-    _VSTD::swap(__gc_, __rhs.__gc_);
+    _STD::swap(__gc_, __rhs.__gc_);
     basic_ios<char_type, traits_type>::swap(__rhs);
 }
 
@@ -1275,7 +1273,7 @@ basic_istream<_CharT, _Traits>::readsome(char_type* __s, streamsize __n)
             case 0:
                 break;
             default:
-                __c = _VSTD::min(__c, __n);
+                __c = _STD::min(__c, __n);
                 for (streamsize __k = 0; __k < __c; ++__k, ++__s, ++__i)
                     *__s = *__i;
             }
@@ -1506,13 +1504,11 @@ public:
     virtual ~basic_iostream();
 protected:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
     basic_iostream(basic_iostream&& __rhs);
 #endif
 
     // assign/swap
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
     basic_iostream& operator=(basic_iostream&& __rhs);
 #endif
     void swap(basic_iostream& __rhs);
@@ -1531,7 +1527,7 @@ basic_iostream<_CharT, _Traits>::basic_iostream(basic_streambuf<char_type, trait
 template <class _CharT, class _Traits>
 inline _LIBCPP_INLINE_VISIBILITY
 basic_iostream<_CharT, _Traits>::basic_iostream(basic_iostream&& __rhs)
-    : basic_istream<_CharT, _Traits>(_VSTD::move(__rhs))
+    : basic_istream<_CharT, _Traits>(_STD::move(__rhs))
 {
 }
 

include/iterator

@@ -488,7 +488,7 @@ next(_ForwardIter __x,
      typename iterator_traits<_ForwardIter>::difference_type __n = 1,
      typename enable_if<__is_forward_iterator<_ForwardIter>::value>::type* = 0)
 {
-    _VSTD::advance(__x, __n);
+    _STD::advance(__x, __n);
     return __x;
 }
 
@@ -499,7 +499,7 @@ prev(_BidiretionalIter __x,
      typename iterator_traits<_BidiretionalIter>::difference_type __n = 1,
      typename enable_if<__is_bidirectional_iterator<_BidiretionalIter>::value>::type* = 0)
 {
-    _VSTD::advance(__x, -__n);
+    _STD::advance(__x, -__n);
     return __x;
 }
 
@@ -628,7 +628,7 @@ public:
         {container->push_back(__value); return *this;}
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY back_insert_iterator& operator=(typename _Container::value_type&& __value)
-        {container->push_back(_VSTD::move(__value)); return *this;}
+        {container->push_back(_STD::move(__value)); return *this;}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY back_insert_iterator& operator*()     {return *this;}
     _LIBCPP_INLINE_VISIBILITY back_insert_iterator& operator++()    {return *this;}
@@ -661,7 +661,7 @@ public:
         {container->push_front(__value); return *this;}
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY front_insert_iterator& operator=(typename _Container::value_type&& __value)
-        {container->push_front(_VSTD::move(__value)); return *this;}
+        {container->push_front(_STD::move(__value)); return *this;}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY front_insert_iterator& operator*()     {return *this;}
     _LIBCPP_INLINE_VISIBILITY front_insert_iterator& operator++()    {return *this;}
@@ -696,7 +696,7 @@ public:
         {iter = container->insert(iter, __value); ++iter; return *this;}
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY insert_iterator& operator=(typename _Container::value_type&& __value)
-        {iter = container->insert(iter, _VSTD::move(__value)); ++iter; return *this;}
+        {iter = container->insert(iter, _STD::move(__value)); ++iter; return *this;}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY insert_iterator& operator*()        {return *this;}
     _LIBCPP_INLINE_VISIBILITY insert_iterator& operator++()       {return *this;}
@@ -1007,35 +1007,35 @@ template <class _Iter> class __wrap_iter;
 
 template <class _Iter1, class _Iter2>
 bool
-operator==(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT;
+operator==(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&);
 
 template <class _Iter1, class _Iter2>
 bool
-operator<(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT;
+operator<(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&);
 
 template <class _Iter1, class _Iter2>
 bool
-operator!=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT;
+operator!=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&);
 
 template <class _Iter1, class _Iter2>
 bool
-operator>(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT;
+operator>(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&);
 
 template <class _Iter1, class _Iter2>
 bool
-operator>=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT;
+operator>=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&);
 
 template <class _Iter1, class _Iter2>
 bool
-operator<=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT;
+operator<=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&);
 
 template <class _Iter1, class _Iter2>
 typename __wrap_iter<_Iter1>::difference_type
-operator-(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT;
+operator-(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&);
 
 template <class _Iter>
 __wrap_iter<_Iter>
-operator+(typename __wrap_iter<_Iter>::difference_type, const __wrap_iter<_Iter>&) _NOEXCEPT;
+operator+(typename __wrap_iter<_Iter>::difference_type, const __wrap_iter<_Iter>&);
 
 template <class _I, class _O> _O copy(_I, _I, _O);
 template <class _B1, class _B2> _B2 copy_backward(_B1, _B1, _B2);
@@ -1063,33 +1063,33 @@ public:
 private:
     iterator_type __i;
 public:
-    _LIBCPP_INLINE_VISIBILITY __wrap_iter() _NOEXCEPT {}
+    _LIBCPP_INLINE_VISIBILITY __wrap_iter() {}
     template <class _Up> _LIBCPP_INLINE_VISIBILITY __wrap_iter(const __wrap_iter<_Up>& __u,
-        typename enable_if<is_convertible<_Up, iterator_type>::value>::type* = 0) _NOEXCEPT
+        typename enable_if<is_convertible<_Up, iterator_type>::value>::type* = 0)
         : __i(__u.base()) {}
-    _LIBCPP_INLINE_VISIBILITY reference operator*() const _NOEXCEPT {return *__i;}
-    _LIBCPP_INLINE_VISIBILITY pointer  operator->() const _NOEXCEPT {return &(operator*());}
-    _LIBCPP_INLINE_VISIBILITY __wrap_iter& operator++() _NOEXCEPT {++__i; return *this;}
-    _LIBCPP_INLINE_VISIBILITY __wrap_iter  operator++(int) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY reference operator*() const {return *__i;}
+    _LIBCPP_INLINE_VISIBILITY pointer  operator->() const {return &(operator*());}
+    _LIBCPP_INLINE_VISIBILITY __wrap_iter& operator++() {++__i; return *this;}
+    _LIBCPP_INLINE_VISIBILITY __wrap_iter  operator++(int)
         {__wrap_iter __tmp(*this); ++__i; return __tmp;}
-    _LIBCPP_INLINE_VISIBILITY __wrap_iter& operator--() _NOEXCEPT {--__i; return *this;}
-    _LIBCPP_INLINE_VISIBILITY __wrap_iter  operator--(int) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY __wrap_iter& operator--() {--__i; return *this;}
+    _LIBCPP_INLINE_VISIBILITY __wrap_iter  operator--(int)
         {__wrap_iter __tmp(*this); --__i; return __tmp;}
-    _LIBCPP_INLINE_VISIBILITY __wrap_iter  operator+ (difference_type __n) const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY __wrap_iter  operator+ (difference_type __n) const
         {return __wrap_iter(__i + __n);}
-    _LIBCPP_INLINE_VISIBILITY __wrap_iter& operator+=(difference_type __n) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY __wrap_iter& operator+=(difference_type __n)
         {__i += __n; return *this;}
-    _LIBCPP_INLINE_VISIBILITY __wrap_iter  operator- (difference_type __n) const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY __wrap_iter  operator- (difference_type __n) const
         {return __wrap_iter(__i - __n);}
-    _LIBCPP_INLINE_VISIBILITY __wrap_iter& operator-=(difference_type __n) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY __wrap_iter& operator-=(difference_type __n)
         {__i -= __n; return *this;}
-    _LIBCPP_INLINE_VISIBILITY reference        operator[](difference_type __n) const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY reference        operator[](difference_type __n) const
         {return __i[__n];}
 
-    _LIBCPP_INLINE_VISIBILITY iterator_type base() const _NOEXCEPT {return __i;}
+    _LIBCPP_INLINE_VISIBILITY iterator_type base() const {return __i;}
 
 private:
-    _LIBCPP_INLINE_VISIBILITY __wrap_iter(iterator_type __x) _NOEXCEPT : __i(__x) {}
+    _LIBCPP_INLINE_VISIBILITY __wrap_iter(iterator_type __x) : __i(__x) {}
 
     template <class _Up> friend class __wrap_iter;
     template <class _CharT, class _Traits, class _Alloc> friend class basic_string;
@@ -1098,42 +1098,42 @@ private:
     template <class _Iter1, class _Iter2>
     friend
     bool
-    operator==(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT;
+    operator==(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&);
 
     template <class _Iter1, class _Iter2>
     friend
     bool
-    operator<(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT;
+    operator<(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&);
 
     template <class _Iter1, class _Iter2>
     friend
     bool
-    operator!=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT;
+    operator!=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&);
 
     template <class _Iter1, class _Iter2>
     friend
     bool
-    operator>(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT;
+    operator>(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&);
 
     template <class _Iter1, class _Iter2>
     friend
     bool
-    operator>=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT;
+    operator>=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&);
 
     template <class _Iter1, class _Iter2>
     friend
     bool
-    operator<=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT;
+    operator<=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&);
 
     template <class _Iter1, class _Iter2>
     friend
     typename __wrap_iter<_Iter1>::difference_type
-    operator-(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT;
+    operator-(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&);
 
     template <class _Iter1>
     friend
     __wrap_iter<_Iter1>
-    operator+(typename __wrap_iter<_Iter1>::difference_type, const __wrap_iter<_Iter1>&) _NOEXCEPT;
+    operator+(typename __wrap_iter<_Iter1>::difference_type, const __wrap_iter<_Iter1>&);
 
     template <class _I, class _O> friend _O copy(_I, _I, _O);
     template <class _B1, class _B2> friend _B2 copy_backward(_B1, _B1, _B2);
@@ -1153,7 +1153,7 @@ private:
 template <class _Iter1, class _Iter2>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator==(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+operator==(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y)
 {
     return __x.base() == __y.base();
 }
@@ -1161,7 +1161,7 @@ operator==(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEX
 template <class _Iter1, class _Iter2>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator<(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+operator<(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y)
 {
     return __x.base() < __y.base();
 }
@@ -1169,7 +1169,7 @@ operator<(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXC
 template <class _Iter1, class _Iter2>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator!=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+operator!=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y)
 {
     return __x.base() != __y.base();
 }
@@ -1177,7 +1177,7 @@ operator!=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEX
 template <class _Iter1, class _Iter2>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator>(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+operator>(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y)
 {
     return __x.base() > __y.base();
 }
@@ -1185,7 +1185,7 @@ operator>(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXC
 template <class _Iter1, class _Iter2>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator>=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+operator>=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y)
 {
     return __x.base() >= __y.base();
 }
@@ -1193,7 +1193,7 @@ operator>=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEX
 template <class _Iter1, class _Iter2>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator<=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+operator<=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y)
 {
     return __x.base() <= __y.base();
 }
@@ -1201,7 +1201,7 @@ operator<=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEX
 template <class _Iter1, class _Iter2>
 inline _LIBCPP_INLINE_VISIBILITY
 typename __wrap_iter<_Iter1>::difference_type
-operator-(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT
+operator-(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y)
 {
     return __x.base() - __y.base();
 }
@@ -1210,7 +1210,7 @@ template <class _Iter>
 inline _LIBCPP_INLINE_VISIBILITY
 __wrap_iter<_Iter>
 operator+(typename __wrap_iter<_Iter>::difference_type __n,
-          const __wrap_iter<_Iter>& __x) _NOEXCEPT
+          const __wrap_iter<_Iter>& __x)
 {
     return __wrap_iter<_Iter>(__x.base() + __n);
 }

include/limits

@@ -22,9 +22,9 @@ class numeric_limits
 {
 public:
     static const bool is_specialized = false;
-    static T min() noexcept;
-    static T max() noexcept;
-    static T lowest() noexcept;
+    static T min() throw();
+    static T max() throw();
+    static T lowest() throw();
 
     static const int  digits = 0;
     static const int  digits10 = 0;
@@ -33,8 +33,8 @@ public:
     static const bool is_integer = false;
     static const bool is_exact = false;
     static const int  radix = 0;
-    static T epsilon() noexcept;
-    static T round_error() noexcept;
+    static T epsilon() throw();
+    static T round_error() throw();
 
     static const int  min_exponent = 0;
     static const int  min_exponent10 = 0;
@@ -46,10 +46,10 @@ public:
     static const bool has_signaling_NaN = false;
     static const float_denorm_style has_denorm = denorm_absent;
     static const bool has_denorm_loss = false;
-    static T infinity() noexcept;
-    static T quiet_NaN() noexcept;
-    static T signaling_NaN() noexcept;
-    static T denorm_min() noexcept;
+    static T infinity() throw();
+    static T quiet_NaN() throw();
+    static T signaling_NaN() throw();
+    static T denorm_min() throw();
 
     static const bool is_iec559 = false;
     static const bool is_bounded = false;
@@ -132,9 +132,9 @@ protected:
     typedef _Tp type;
 
     static const bool is_specialized = false;
-    _LIBCPP_INLINE_VISIBILITY static type min() _NOEXCEPT {return type();}
-    _LIBCPP_INLINE_VISIBILITY static type max() _NOEXCEPT {return type();}
-    _LIBCPP_INLINE_VISIBILITY static type lowest() _NOEXCEPT {return type();}
+    _LIBCPP_INLINE_VISIBILITY static type min() throw() {return type();}
+    _LIBCPP_INLINE_VISIBILITY static type max() throw() {return type();}
+    _LIBCPP_INLINE_VISIBILITY static type lowest() throw() {return type();}
 
     static const int  digits = 0;
     static const int  digits10 = 0;
@@ -143,8 +143,8 @@ protected:
     static const bool is_integer = false;
     static const bool is_exact = false;
     static const int  radix = 0;
-    _LIBCPP_INLINE_VISIBILITY static type epsilon() _NOEXCEPT {return type();}
-    _LIBCPP_INLINE_VISIBILITY static type round_error() _NOEXCEPT {return type();}
+    _LIBCPP_INLINE_VISIBILITY static type epsilon() throw() {return type();}
+    _LIBCPP_INLINE_VISIBILITY static type round_error() throw() {return type();}
 
     static const int  min_exponent = 0;
     static const int  min_exponent10 = 0;
@@ -156,10 +156,10 @@ protected:
     static const bool has_signaling_NaN = false;
     static const float_denorm_style has_denorm = denorm_absent;
     static const bool has_denorm_loss = false;
-    _LIBCPP_INLINE_VISIBILITY static type infinity() _NOEXCEPT {return type();}
-    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() _NOEXCEPT {return type();}
-    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() _NOEXCEPT {return type();}
-    _LIBCPP_INLINE_VISIBILITY static type denorm_min() _NOEXCEPT {return type();}
+    _LIBCPP_INLINE_VISIBILITY static type infinity() throw() {return type();}
+    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() throw() {return type();}
+    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() throw() {return type();}
+    _LIBCPP_INLINE_VISIBILITY static type denorm_min() throw() {return type();}
 
     static const bool is_iec559 = false;
     static const bool is_bounded = false;
@@ -196,15 +196,15 @@ protected:
     static const int  max_digits10 = 0;
     static const type __min = __libcpp_compute_min<type, digits, is_signed>::value;
     static const type __max = is_signed ? type(type(~0) ^ __min) : type(~0);
-    _LIBCPP_INLINE_VISIBILITY static type min() _NOEXCEPT {return __min;}
-    _LIBCPP_INLINE_VISIBILITY static type max() _NOEXCEPT {return __max;}
-    _LIBCPP_INLINE_VISIBILITY static type lowest() _NOEXCEPT {return min();}
+    _LIBCPP_INLINE_VISIBILITY static type min() throw() {return __min;}
+    _LIBCPP_INLINE_VISIBILITY static type max() throw() {return __max;}
+    _LIBCPP_INLINE_VISIBILITY static type lowest() throw() {return min();}
 
     static const bool is_integer = true;
     static const bool is_exact = true;
     static const int  radix = 2;
-    _LIBCPP_INLINE_VISIBILITY static type epsilon() _NOEXCEPT {return type(0);}
-    _LIBCPP_INLINE_VISIBILITY static type round_error() _NOEXCEPT {return type(0);}
+    _LIBCPP_INLINE_VISIBILITY static type epsilon() throw() {return type(0);}
+    _LIBCPP_INLINE_VISIBILITY static type round_error() throw() {return type(0);}
 
     static const int  min_exponent = 0;
     static const int  min_exponent10 = 0;
@@ -216,10 +216,10 @@ protected:
     static const bool has_signaling_NaN = false;
     static const float_denorm_style has_denorm = denorm_absent;
     static const bool has_denorm_loss = false;
-    _LIBCPP_INLINE_VISIBILITY static type infinity() _NOEXCEPT {return type(0);}
-    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() _NOEXCEPT {return type(0);}
-    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() _NOEXCEPT {return type(0);}
-    _LIBCPP_INLINE_VISIBILITY static type denorm_min() _NOEXCEPT {return type(0);}
+    _LIBCPP_INLINE_VISIBILITY static type infinity() throw() {return type(0);}
+    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() throw() {return type(0);}
+    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() throw() {return type(0);}
+    _LIBCPP_INLINE_VISIBILITY static type denorm_min() throw() {return type(0);}
 
     static const bool is_iec559 = false;
     static const bool is_bounded = true;
@@ -248,15 +248,15 @@ protected:
     static const int  max_digits10 = 0;
     static const type __min = false;
     static const type __max = true;
-    _LIBCPP_INLINE_VISIBILITY static type min() _NOEXCEPT {return __min;}
-    _LIBCPP_INLINE_VISIBILITY static type max() _NOEXCEPT {return __max;}
-    _LIBCPP_INLINE_VISIBILITY static type lowest() _NOEXCEPT {return min();}
+    _LIBCPP_INLINE_VISIBILITY static type min() throw() {return __min;}
+    _LIBCPP_INLINE_VISIBILITY static type max() throw() {return __max;}
+    _LIBCPP_INLINE_VISIBILITY static type lowest() throw() {return min();}
 
     static const bool is_integer = true;
     static const bool is_exact = true;
     static const int  radix = 2;
-    _LIBCPP_INLINE_VISIBILITY static type epsilon() _NOEXCEPT {return type(0);}
-    _LIBCPP_INLINE_VISIBILITY static type round_error() _NOEXCEPT {return type(0);}
+    _LIBCPP_INLINE_VISIBILITY static type epsilon() throw() {return type(0);}
+    _LIBCPP_INLINE_VISIBILITY static type round_error() throw() {return type(0);}
 
     static const int  min_exponent = 0;
     static const int  min_exponent10 = 0;
@@ -268,10 +268,10 @@ protected:
     static const bool has_signaling_NaN = false;
     static const float_denorm_style has_denorm = denorm_absent;
     static const bool has_denorm_loss = false;
-    _LIBCPP_INLINE_VISIBILITY static type infinity() _NOEXCEPT {return type(0);}
-    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() _NOEXCEPT {return type(0);}
-    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() _NOEXCEPT {return type(0);}
-    _LIBCPP_INLINE_VISIBILITY static type denorm_min() _NOEXCEPT {return type(0);}
+    _LIBCPP_INLINE_VISIBILITY static type infinity() throw() {return type(0);}
+    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() throw() {return type(0);}
+    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() throw() {return type(0);}
+    _LIBCPP_INLINE_VISIBILITY static type denorm_min() throw() {return type(0);}
 
     static const bool is_iec559 = false;
     static const bool is_bounded = true;
@@ -294,15 +294,15 @@ protected:
     static const int  digits = __FLT_MANT_DIG__;
     static const int  digits10 = __FLT_DIG__;
     static const int  max_digits10 = 2+(digits * 30103)/100000;
-    _LIBCPP_INLINE_VISIBILITY static type min() _NOEXCEPT {return __FLT_MIN__;}
-    _LIBCPP_INLINE_VISIBILITY static type max() _NOEXCEPT {return __FLT_MAX__;}
-    _LIBCPP_INLINE_VISIBILITY static type lowest() _NOEXCEPT {return -max();}
+    _LIBCPP_INLINE_VISIBILITY static type min() throw() {return __FLT_MIN__;}
+    _LIBCPP_INLINE_VISIBILITY static type max() throw() {return __FLT_MAX__;}
+    _LIBCPP_INLINE_VISIBILITY static type lowest() throw() {return -max();}
 
     static const bool is_integer = false;
     static const bool is_exact = false;
     static const int  radix = __FLT_RADIX__;
-    _LIBCPP_INLINE_VISIBILITY static type epsilon() _NOEXCEPT {return __FLT_EPSILON__;}
-    _LIBCPP_INLINE_VISIBILITY static type round_error() _NOEXCEPT {return 0.5F;}
+    _LIBCPP_INLINE_VISIBILITY static type epsilon() throw() {return __FLT_EPSILON__;}
+    _LIBCPP_INLINE_VISIBILITY static type round_error() throw() {return 0.5F;}
 
     static const int  min_exponent = __FLT_MIN_EXP__;
     static const int  min_exponent10 = __FLT_MIN_10_EXP__;
@@ -314,10 +314,10 @@ protected:
     static const bool has_signaling_NaN = true;
     static const float_denorm_style has_denorm = denorm_present;
     static const bool has_denorm_loss = false;
-    _LIBCPP_INLINE_VISIBILITY static type infinity() _NOEXCEPT {return __builtin_huge_valf();}
-    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() _NOEXCEPT {return __builtin_nanf("");}
-    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() _NOEXCEPT {return __builtin_nansf("");}
-    _LIBCPP_INLINE_VISIBILITY static type denorm_min() _NOEXCEPT {return __FLT_DENORM_MIN__;}
+    _LIBCPP_INLINE_VISIBILITY static type infinity() throw() {return __builtin_huge_valf();}
+    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() throw() {return __builtin_nanf("");}
+    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() throw() {return __builtin_nansf("");}
+    _LIBCPP_INLINE_VISIBILITY static type denorm_min() throw() {return __FLT_DENORM_MIN__;}
 
     static const bool is_iec559 = true;
     static const bool is_bounded = true;
@@ -340,15 +340,15 @@ protected:
     static const int  digits = __DBL_MANT_DIG__;
     static const int  digits10 = __DBL_DIG__;
     static const int  max_digits10 = 2+(digits * 30103)/100000;
-    _LIBCPP_INLINE_VISIBILITY static type min() _NOEXCEPT {return __DBL_MIN__;}
-    _LIBCPP_INLINE_VISIBILITY static type max() _NOEXCEPT {return __DBL_MAX__;}
-    _LIBCPP_INLINE_VISIBILITY static type lowest() _NOEXCEPT {return -max();}
+    _LIBCPP_INLINE_VISIBILITY static type min() throw() {return __DBL_MIN__;}
+    _LIBCPP_INLINE_VISIBILITY static type max() throw() {return __DBL_MAX__;}
+    _LIBCPP_INLINE_VISIBILITY static type lowest() throw() {return -max();}
 
     static const bool is_integer = false;
     static const bool is_exact = false;
     static const int  radix = __FLT_RADIX__;
-    _LIBCPP_INLINE_VISIBILITY static type epsilon() _NOEXCEPT {return __DBL_EPSILON__;}
-    _LIBCPP_INLINE_VISIBILITY static type round_error() _NOEXCEPT {return 0.5;}
+    _LIBCPP_INLINE_VISIBILITY static type epsilon() throw() {return __DBL_EPSILON__;}
+    _LIBCPP_INLINE_VISIBILITY static type round_error() throw() {return 0.5;}
 
     static const int  min_exponent = __DBL_MIN_EXP__;
     static const int  min_exponent10 = __DBL_MIN_10_EXP__;
@@ -360,10 +360,10 @@ protected:
     static const bool has_signaling_NaN = true;
     static const float_denorm_style has_denorm = denorm_present;
     static const bool has_denorm_loss = false;
-    _LIBCPP_INLINE_VISIBILITY static type infinity() _NOEXCEPT {return __builtin_huge_val();}
-    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() _NOEXCEPT {return __builtin_nan("");}
-    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() _NOEXCEPT {return __builtin_nans("");}
-    _LIBCPP_INLINE_VISIBILITY static type denorm_min() _NOEXCEPT {return __DBL_DENORM_MIN__;}
+    _LIBCPP_INLINE_VISIBILITY static type infinity() throw() {return __builtin_huge_val();}
+    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() throw() {return __builtin_nan("");}
+    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() throw() {return __builtin_nans("");}
+    _LIBCPP_INLINE_VISIBILITY static type denorm_min() throw() {return __DBL_DENORM_MIN__;}
 
     static const bool is_iec559 = true;
     static const bool is_bounded = true;
@@ -386,15 +386,15 @@ protected:
     static const int  digits = __LDBL_MANT_DIG__;
     static const int  digits10 = __LDBL_DIG__;
     static const int  max_digits10 = 2+(digits * 30103)/100000;
-    _LIBCPP_INLINE_VISIBILITY static type min() _NOEXCEPT {return __LDBL_MIN__;}
-    _LIBCPP_INLINE_VISIBILITY static type max() _NOEXCEPT {return __LDBL_MAX__;}
-    _LIBCPP_INLINE_VISIBILITY static type lowest() _NOEXCEPT {return -max();}
+    _LIBCPP_INLINE_VISIBILITY static type min() throw() {return __LDBL_MIN__;}
+    _LIBCPP_INLINE_VISIBILITY static type max() throw() {return __LDBL_MAX__;}
+    _LIBCPP_INLINE_VISIBILITY static type lowest() throw() {return -max();}
 
     static const bool is_integer = false;
     static const bool is_exact = false;
     static const int  radix = __FLT_RADIX__;
-    _LIBCPP_INLINE_VISIBILITY static type epsilon() _NOEXCEPT {return __LDBL_EPSILON__;}
-    _LIBCPP_INLINE_VISIBILITY static type round_error() _NOEXCEPT {return 0.5;}
+    _LIBCPP_INLINE_VISIBILITY static type epsilon() throw() {return __LDBL_EPSILON__;}
+    _LIBCPP_INLINE_VISIBILITY static type round_error() throw() {return 0.5;}
 
     static const int  min_exponent = __LDBL_MIN_EXP__;
     static const int  min_exponent10 = __LDBL_MIN_10_EXP__;
@@ -406,10 +406,10 @@ protected:
     static const bool has_signaling_NaN = true;
     static const float_denorm_style has_denorm = denorm_present;
     static const bool has_denorm_loss = false;
-    _LIBCPP_INLINE_VISIBILITY static type infinity() _NOEXCEPT {return __builtin_huge_vall();}
-    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() _NOEXCEPT {return __builtin_nanl("");}
-    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() _NOEXCEPT {return __builtin_nansl("");}
-    _LIBCPP_INLINE_VISIBILITY static type denorm_min() _NOEXCEPT {return __LDBL_DENORM_MIN__;}
+    _LIBCPP_INLINE_VISIBILITY static type infinity() throw() {return __builtin_huge_vall();}
+    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() throw() {return __builtin_nanl("");}
+    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() throw() {return __builtin_nansl("");}
+    _LIBCPP_INLINE_VISIBILITY static type denorm_min() throw() {return __LDBL_DENORM_MIN__;}
 
 #if (defined(__ppc__) || defined(__ppc64__))
     static const bool is_iec559 = false;
@@ -432,9 +432,9 @@ class _LIBCPP_VISIBLE numeric_limits
     typedef typename __base::type type;
 public:
     static const bool is_specialized = __base::is_specialized;
-    _LIBCPP_INLINE_VISIBILITY static type min() _NOEXCEPT {return __base::min();}
-    _LIBCPP_INLINE_VISIBILITY static type max() _NOEXCEPT {return __base::max();}
-    _LIBCPP_INLINE_VISIBILITY static type lowest() _NOEXCEPT {return __base::lowest();}
+    _LIBCPP_INLINE_VISIBILITY static type min() throw() {return __base::min();}
+    _LIBCPP_INLINE_VISIBILITY static type max() throw() {return __base::max();}
+    _LIBCPP_INLINE_VISIBILITY static type lowest() throw() {return __base::lowest();}
 
     static const int  digits = __base::digits;
     static const int  digits10 = __base::digits10;
@@ -443,8 +443,8 @@ public:
     static const bool is_integer = __base::is_integer;
     static const bool is_exact = __base::is_exact;
     static const int  radix = __base::radix;
-    _LIBCPP_INLINE_VISIBILITY static type epsilon() _NOEXCEPT {return __base::epsilon();}
-    _LIBCPP_INLINE_VISIBILITY static type round_error() _NOEXCEPT {return __base::round_error();}
+    _LIBCPP_INLINE_VISIBILITY static type epsilon() throw() {return __base::epsilon();}
+    _LIBCPP_INLINE_VISIBILITY static type round_error() throw() {return __base::round_error();}
 
     static const int  min_exponent = __base::min_exponent;
     static const int  min_exponent10 = __base::min_exponent10;
@@ -456,10 +456,10 @@ public:
     static const bool has_signaling_NaN = __base::has_signaling_NaN;
     static const float_denorm_style has_denorm = __base::has_denorm;
     static const bool has_denorm_loss = __base::has_denorm_loss;
-    _LIBCPP_INLINE_VISIBILITY static type infinity() _NOEXCEPT {return __base::infinity();}
-    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
-    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
-    _LIBCPP_INLINE_VISIBILITY static type denorm_min() _NOEXCEPT {return __base::denorm_min();}
+    _LIBCPP_INLINE_VISIBILITY static type infinity() throw() {return __base::infinity();}
+    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() throw() {return __base::quiet_NaN();}
+    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() throw() {return __base::signaling_NaN();}
+    _LIBCPP_INLINE_VISIBILITY static type denorm_min() throw() {return __base::denorm_min();}
 
     static const bool is_iec559 = __base::is_iec559;
     static const bool is_bounded = __base::is_bounded;
@@ -478,9 +478,9 @@ class _LIBCPP_VISIBLE numeric_limits<const _Tp>
     typedef _Tp type;
 public:
     static const bool is_specialized = __base::is_specialized;
-    _LIBCPP_INLINE_VISIBILITY static type min() _NOEXCEPT {return __base::min();}
-    _LIBCPP_INLINE_VISIBILITY static type max() _NOEXCEPT {return __base::max();}
-    _LIBCPP_INLINE_VISIBILITY static type lowest() _NOEXCEPT {return __base::lowest();}
+    _LIBCPP_INLINE_VISIBILITY static type min() throw() {return __base::min();}
+    _LIBCPP_INLINE_VISIBILITY static type max() throw() {return __base::max();}
+    _LIBCPP_INLINE_VISIBILITY static type lowest() throw() {return __base::lowest();}
 
     static const int  digits = __base::digits;
     static const int  digits10 = __base::digits10;
@@ -489,8 +489,8 @@ public:
     static const bool is_integer = __base::is_integer;
     static const bool is_exact = __base::is_exact;
     static const int  radix = __base::radix;
-    _LIBCPP_INLINE_VISIBILITY static type epsilon() _NOEXCEPT {return __base::epsilon();}
-    _LIBCPP_INLINE_VISIBILITY static type round_error() _NOEXCEPT {return __base::round_error();}
+    _LIBCPP_INLINE_VISIBILITY static type epsilon() throw() {return __base::epsilon();}
+    _LIBCPP_INLINE_VISIBILITY static type round_error() throw() {return __base::round_error();}
 
     static const int  min_exponent = __base::min_exponent;
     static const int  min_exponent10 = __base::min_exponent10;
@@ -502,10 +502,10 @@ public:
     static const bool has_signaling_NaN = __base::has_signaling_NaN;
     static const float_denorm_style has_denorm = __base::has_denorm;
     static const bool has_denorm_loss = __base::has_denorm_loss;
-    _LIBCPP_INLINE_VISIBILITY static type infinity() _NOEXCEPT {return __base::infinity();}
-    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
-    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
-    _LIBCPP_INLINE_VISIBILITY static type denorm_min() _NOEXCEPT {return __base::denorm_min();}
+    _LIBCPP_INLINE_VISIBILITY static type infinity() throw() {return __base::infinity();}
+    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() throw() {return __base::quiet_NaN();}
+    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() throw() {return __base::signaling_NaN();}
+    _LIBCPP_INLINE_VISIBILITY static type denorm_min() throw() {return __base::denorm_min();}
 
     static const bool is_iec559 = __base::is_iec559;
     static const bool is_bounded = __base::is_bounded;
@@ -524,9 +524,9 @@ class _LIBCPP_VISIBLE numeric_limits<volatile _Tp>
     typedef _Tp type;
 public:
     static const bool is_specialized = __base::is_specialized;
-    _LIBCPP_INLINE_VISIBILITY static type min() _NOEXCEPT {return __base::min();}
-    _LIBCPP_INLINE_VISIBILITY static type max() _NOEXCEPT {return __base::max();}
-    _LIBCPP_INLINE_VISIBILITY static type lowest() _NOEXCEPT {return __base::lowest();}
+    _LIBCPP_INLINE_VISIBILITY static type min() throw() {return __base::min();}
+    _LIBCPP_INLINE_VISIBILITY static type max() throw() {return __base::max();}
+    _LIBCPP_INLINE_VISIBILITY static type lowest() throw() {return __base::lowest();}
 
     static const int  digits = __base::digits;
     static const int  digits10 = __base::digits10;
@@ -535,8 +535,8 @@ public:
     static const bool is_integer = __base::is_integer;
     static const bool is_exact = __base::is_exact;
     static const int  radix = __base::radix;
-    _LIBCPP_INLINE_VISIBILITY static type epsilon() _NOEXCEPT {return __base::epsilon();}
-    _LIBCPP_INLINE_VISIBILITY static type round_error() _NOEXCEPT {return __base::round_error();}
+    _LIBCPP_INLINE_VISIBILITY static type epsilon() throw() {return __base::epsilon();}
+    _LIBCPP_INLINE_VISIBILITY static type round_error() throw() {return __base::round_error();}
 
     static const int  min_exponent = __base::min_exponent;
     static const int  min_exponent10 = __base::min_exponent10;
@@ -548,10 +548,10 @@ public:
     static const bool has_signaling_NaN = __base::has_signaling_NaN;
     static const float_denorm_style has_denorm = __base::has_denorm;
     static const bool has_denorm_loss = __base::has_denorm_loss;
-    _LIBCPP_INLINE_VISIBILITY static type infinity() _NOEXCEPT {return __base::infinity();}
-    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
-    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
-    _LIBCPP_INLINE_VISIBILITY static type denorm_min() _NOEXCEPT {return __base::denorm_min();}
+    _LIBCPP_INLINE_VISIBILITY static type infinity() throw() {return __base::infinity();}
+    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() throw() {return __base::quiet_NaN();}
+    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() throw() {return __base::signaling_NaN();}
+    _LIBCPP_INLINE_VISIBILITY static type denorm_min() throw() {return __base::denorm_min();}
 
     static const bool is_iec559 = __base::is_iec559;
     static const bool is_bounded = __base::is_bounded;
@@ -570,9 +570,9 @@ class _LIBCPP_VISIBLE numeric_limits<const volatile _Tp>
     typedef _Tp type;
 public:
     static const bool is_specialized = __base::is_specialized;
-    _LIBCPP_INLINE_VISIBILITY static type min() _NOEXCEPT {return __base::min();}
-    _LIBCPP_INLINE_VISIBILITY static type max() _NOEXCEPT {return __base::max();}
-    _LIBCPP_INLINE_VISIBILITY static type lowest() _NOEXCEPT {return __base::lowest();}
+    _LIBCPP_INLINE_VISIBILITY static type min() throw() {return __base::min();}
+    _LIBCPP_INLINE_VISIBILITY static type max() throw() {return __base::max();}
+    _LIBCPP_INLINE_VISIBILITY static type lowest() throw() {return __base::lowest();}
 
     static const int  digits = __base::digits;
     static const int  digits10 = __base::digits10;
@@ -581,8 +581,8 @@ public:
     static const bool is_integer = __base::is_integer;
     static const bool is_exact = __base::is_exact;
     static const int  radix = __base::radix;
-    _LIBCPP_INLINE_VISIBILITY static type epsilon() _NOEXCEPT {return __base::epsilon();}
-    _LIBCPP_INLINE_VISIBILITY static type round_error() _NOEXCEPT {return __base::round_error();}
+    _LIBCPP_INLINE_VISIBILITY static type epsilon() throw() {return __base::epsilon();}
+    _LIBCPP_INLINE_VISIBILITY static type round_error() throw() {return __base::round_error();}
 
     static const int  min_exponent = __base::min_exponent;
     static const int  min_exponent10 = __base::min_exponent10;
@@ -594,10 +594,10 @@ public:
     static const bool has_signaling_NaN = __base::has_signaling_NaN;
     static const float_denorm_style has_denorm = __base::has_denorm;
     static const bool has_denorm_loss = __base::has_denorm_loss;
-    _LIBCPP_INLINE_VISIBILITY static type infinity() _NOEXCEPT {return __base::infinity();}
-    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() _NOEXCEPT {return __base::quiet_NaN();}
-    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() _NOEXCEPT {return __base::signaling_NaN();}
-    _LIBCPP_INLINE_VISIBILITY static type denorm_min() _NOEXCEPT {return __base::denorm_min();}
+    _LIBCPP_INLINE_VISIBILITY static type infinity() throw() {return __base::infinity();}
+    _LIBCPP_INLINE_VISIBILITY static type quiet_NaN() throw() {return __base::quiet_NaN();}
+    _LIBCPP_INLINE_VISIBILITY static type signaling_NaN() throw() {return __base::signaling_NaN();}
+    _LIBCPP_INLINE_VISIBILITY static type denorm_min() throw() {return __base::denorm_min();}
 
     static const bool is_iec559 = __base::is_iec559;
     static const bool is_bounded = __base::is_bounded;

include/list

@@ -36,8 +36,7 @@ public:
     typedef reverse_iterator<iterator> reverse_iterator;
     typedef reverse_iterator<const_iterator> const_reverse_iterator;
 
-    list()
-        noexcept(is_nothrow_default_constructible<allocator_type>::value);
+    list();
     explicit list(const allocator_type& a);
     explicit list(size_type n);
     list(size_type n, const value_type& value);
@@ -48,8 +47,7 @@ public:
         list(Iter first, Iter last, const allocator_type& a);
     list(const list& x);
     list(const list&, const allocator_type& a);
-    list(list&& x)
-        noexcept(is_nothrow_move_constructible<allocator_type>::value);
+    list(list&& x);
     list(list&&, const allocator_type& a);
     list(initializer_list<value_type>);
     list(initializer_list<value_type>, const allocator_type& a);
@@ -57,39 +55,36 @@ public:
     ~list();
 
     list& operator=(const list& x);
-    list& operator=(list&& x)
-        noexcept(
-             allocator_type::propagate_on_container_move_assignment::value &&
-             is_nothrow_move_assignable<allocator_type>::value);
+    list& operator=(list&& x);
     list& operator=(initializer_list<value_type>);
     template <class Iter>
         void assign(Iter first, Iter last);
     void assign(size_type n, const value_type& t);
     void assign(initializer_list<value_type>);
 
-    allocator_type get_allocator() const noexcept;
+    allocator_type get_allocator() const;
 
-    iterator begin() noexcept;
-    const_iterator begin() const noexcept;
-    iterator end() noexcept;
-    const_iterator end() const noexcept;
-    reverse_iterator rbegin() noexcept;
-    const_reverse_iterator rbegin() const noexcept;
-    reverse_iterator rend() noexcept;
-    const_reverse_iterator rend() const noexcept;
-    const_iterator cbegin() const noexcept;
-    const_iterator cend() const noexcept;
-    const_reverse_iterator crbegin() const noexcept;
-    const_reverse_iterator crend() const noexcept;
+    iterator begin();
+    const_iterator begin() const;
+    iterator end();
+    const_iterator end() const;
+    reverse_iterator rbegin();
+    const_reverse_iterator rbegin() const;
+    reverse_iterator rend();
+    const_reverse_iterator rend() const;
+    const_iterator cbegin() const;
+    const_iterator cend() const;
+    const_reverse_iterator crbegin() const;
+    const_reverse_iterator crend() const;
 
     reference front();
     const_reference front() const;
     reference back();
     const_reference back() const;
 
-    bool empty() const noexcept;
-    size_type size() const noexcept;
-    size_type max_size() const noexcept;
+    bool empty() const;
+    size_type size() const;
+    size_type max_size() const;
 
     template <class... Args>
         void emplace_front(Args&&... args);
@@ -116,10 +111,8 @@ public:
     void resize(size_type sz);
     void resize(size_type sz, const value_type& c);
 
-    void swap(list&)
-        noexcept(!allocator_type::propagate_on_container_swap::value ||
-                 __is_nothrow_swappable<allocator_type>::value);
-    void clear() noexcept;
+    void swap(list<value_type,allocator_type>&);
+    void clear();
 
     void splice(const_iterator position, list& x);
     void splice(const_iterator position, list&& x);
@@ -144,7 +137,7 @@ public:
     void sort();
     template <class Compare>
         void sort(Compare comp);
-    void reverse() noexcept;
+    void reverse();
 };
 
 template <class T, class Alloc>
@@ -161,8 +154,7 @@ template <class T, class Alloc>
     bool operator<=(const list<T,Alloc>& x, const list<T,Alloc>& y);
 
 template <class T, class Alloc>
-    void swap(list<T,Alloc>& x, list<T,Alloc>& y)
-         noexcept(noexcept(x.swap(y)));
+    void swap(list<T,Alloc>& x, list<T,Alloc>& y);
 
 }  // std
 
@@ -180,7 +172,7 @@ template <class T, class Alloc>
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _Tp, class _VoidPtr> struct __list_node;
+template <class, class> struct __list_node;
 
 template <class _Tp, class _VoidPtr>
 struct __list_node_base
@@ -209,9 +201,9 @@ struct __list_node
     _Tp __value_;
 };
 
-template <class _Tp, class _Alloc> class list;
-template <class _Tp, class _Alloc> class __list_imp;
-template <class _Tp, class _VoidPtr> class __list_const_iterator;
+template <class, class> class list;
+template <class, class> class __list_imp;
+template <class, class> class __list_const_iterator;
 
 template <class _Tp, class _VoidPtr>
 class _LIBCPP_VISIBLE __list_iterator
@@ -226,7 +218,7 @@ class _LIBCPP_VISIBLE __list_iterator
     __node_pointer __ptr_;
 
     _LIBCPP_INLINE_VISIBILITY
-    explicit __list_iterator(__node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
+    explicit __list_iterator(__node_pointer __p) : __ptr_(__p) {}
 
     template<class, class> friend class list;
     template<class, class> friend class __list_imp;
@@ -245,7 +237,7 @@ public:
     typedef typename pointer_traits<pointer>::difference_type difference_type;
 
     _LIBCPP_INLINE_VISIBILITY
-    __list_iterator() _NOEXCEPT {}
+    __list_iterator() {}
     _LIBCPP_INLINE_VISIBILITY
     reference operator*() const {return __ptr_->__value_;}
     _LIBCPP_INLINE_VISIBILITY
@@ -282,7 +274,7 @@ class _LIBCPP_VISIBLE __list_const_iterator
     __node_pointer __ptr_;
 
     _LIBCPP_INLINE_VISIBILITY
-    explicit __list_const_iterator(__node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
+    explicit __list_const_iterator(__node_pointer __p) : __ptr_(__p) {}
 
     template<class, class> friend class list;
     template<class, class> friend class __list_imp;
@@ -300,10 +292,9 @@ public:
     typedef typename pointer_traits<pointer>::difference_type difference_type;
 
     _LIBCPP_INLINE_VISIBILITY
-    __list_const_iterator() _NOEXCEPT {}
+    __list_const_iterator() {}
     _LIBCPP_INLINE_VISIBILITY
-    __list_const_iterator(__list_iterator<_Tp, _VoidPtr> __p) _NOEXCEPT
-        : __ptr_(__p.__ptr_) {}
+    __list_const_iterator(__list_iterator<_Tp, _VoidPtr> __p) : __ptr_(__p.__ptr_) {}
 
     _LIBCPP_INLINE_VISIBILITY
     reference operator*() const {return __ptr_->__value_;}
@@ -361,43 +352,33 @@ protected:
     __compressed_pair<size_type, __node_allocator> __size_alloc_;
 
     _LIBCPP_INLINE_VISIBILITY
-          size_type& __sz() _NOEXCEPT {return __size_alloc_.first();}
+          size_type& __sz()       {return __size_alloc_.first();}
     _LIBCPP_INLINE_VISIBILITY
-    const size_type& __sz() const _NOEXCEPT
-        {return __size_alloc_.first();}
+    const size_type& __sz() const {return __size_alloc_.first();}
     _LIBCPP_INLINE_VISIBILITY
-          __node_allocator& __node_alloc() _NOEXCEPT
-          {return __size_alloc_.second();}
+          __node_allocator& __node_alloc()       {return __size_alloc_.second();}
     _LIBCPP_INLINE_VISIBILITY
-    const __node_allocator& __node_alloc() const _NOEXCEPT
-        {return __size_alloc_.second();}
+    const __node_allocator& __node_alloc() const {return __size_alloc_.second();}
 
-    static void __unlink_nodes(__node_base& __f, __node_base& __l) _NOEXCEPT;
+    static void __unlink_nodes(__node_base& __f, __node_base& __l);
 
-    __list_imp()
-        _NOEXCEPT_(is_nothrow_default_constructible<__node_allocator>::value);
+    __list_imp();
     __list_imp(const allocator_type& __a);
     ~__list_imp();
-    void clear() _NOEXCEPT;
+    void clear();
     _LIBCPP_INLINE_VISIBILITY
-    bool empty() const _NOEXCEPT {return __sz() == 0;}
+    bool empty() const {return __sz() == 0;}
 
     _LIBCPP_INLINE_VISIBILITY
-          iterator begin() _NOEXCEPT
-            {return       iterator(__end_.__next_);}
+          iterator begin()       {return       iterator(__end_.__next_);}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator begin() const  _NOEXCEPT
-        {return const_iterator(__end_.__next_);}
+    const_iterator begin() const {return const_iterator(__end_.__next_);}
     _LIBCPP_INLINE_VISIBILITY
-          iterator end() _NOEXCEPT
-            {return       iterator(static_cast<__node_pointer>      (&__end_));}
+          iterator end()       {return       iterator(static_cast<__node_pointer>      (&__end_));}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator end() const _NOEXCEPT
-        {return const_iterator(static_cast<__node_const_pointer>(&__end_));}
+    const_iterator end() const {return const_iterator(static_cast<__node_const_pointer>(&__end_));}
 
-    void swap(__list_imp& __c)
-        _NOEXCEPT_(!__node_alloc_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<__node_allocator>::value);
+    void swap(__list_imp& __c);
 
     _LIBCPP_INLINE_VISIBILITY
     void __copy_assign_alloc(const __list_imp& __c)
@@ -406,29 +387,22 @@ protected:
 
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(__list_imp& __c)
-        _NOEXCEPT_(
-            !__node_alloc_traits::propagate_on_container_move_assignment::value ||
-            is_nothrow_move_assignable<__node_allocator>::value)
         {__move_assign_alloc(__c, integral_constant<bool,
                       __node_alloc_traits::propagate_on_container_move_assignment::value>());}
 
 private:
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__node_allocator& __x, __node_allocator& __y)
-        _NOEXCEPT_(!__node_alloc_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<__node_allocator>::value)
         {__swap_alloc(__x, __y, integral_constant<bool,
                       __node_alloc_traits::propagate_on_container_swap::value>());}
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__node_allocator& __x, __node_allocator& __y, true_type)
-        _NOEXCEPT_(__is_nothrow_swappable<__node_allocator>::value)
         {
-            using _VSTD::swap;
+            using _STD::swap;
             swap(__x, __y);
         }
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__node_allocator& __x, __node_allocator& __y, false_type)
-        _NOEXCEPT
         {}
 
     _LIBCPP_INLINE_VISIBILITY
@@ -445,14 +419,12 @@ private:
 
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(const __list_imp& __c, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<__node_allocator>::value)
         {
-            __node_alloc() = _VSTD::move(__c.__node_alloc());
+            __node_alloc() = _STD::move(__c.__node_alloc());
         }
 
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(const __list_imp& __c, false_type)
-        _NOEXCEPT
         {}
 };
 
@@ -461,7 +433,6 @@ template <class _Tp, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 void
 __list_imp<_Tp, _Alloc>::__unlink_nodes(__node_base& __f, __node_base& __l)
-    _NOEXCEPT
 {
     __f.__prev_->__next_ = __l.__next_;
     __l.__next_->__prev_ = __f.__prev_;
@@ -470,7 +441,6 @@ __list_imp<_Tp, _Alloc>::__unlink_nodes(__node_base& __f, __node_base& __l)
 template <class _Tp, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 __list_imp<_Tp, _Alloc>::__list_imp()
-        _NOEXCEPT_(is_nothrow_default_constructible<__node_allocator>::value)
     : __size_alloc_(0)
 {
 }
@@ -490,7 +460,7 @@ __list_imp<_Tp, _Alloc>::~__list_imp()
 
 template <class _Tp, class _Alloc>
 void
-__list_imp<_Tp, _Alloc>::clear() _NOEXCEPT
+__list_imp<_Tp, _Alloc>::clear()
 {
     if (!empty())
     {
@@ -503,8 +473,8 @@ __list_imp<_Tp, _Alloc>::clear() _NOEXCEPT
         {
             __node& __n = *__f.__ptr_;
             ++__f;
-            __node_alloc_traits::destroy(__na, _VSTD::addressof(__n.__value_));
-            __node_alloc_traits::deallocate(__na, _VSTD::addressof(__n), 1);
+            __node_alloc_traits::destroy(__na, _STD::addressof(__n.__value_));
+            __node_alloc_traits::deallocate(__na, _STD::addressof(__n), 1);
         }
     }
 }
@@ -512,10 +482,8 @@ __list_imp<_Tp, _Alloc>::clear() _NOEXCEPT
 template <class _Tp, class _Alloc>
 void
 __list_imp<_Tp, _Alloc>::swap(__list_imp& __c)
-        _NOEXCEPT_(!__node_alloc_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<__node_allocator>::value)
 {
-    using _VSTD::swap;
+    using _STD::swap;
     __swap_alloc(__node_alloc(), __c.__node_alloc());
     swap(__sz(), __c.__sz());
     swap(__end_, __c.__end_);
@@ -555,13 +523,11 @@ public:
     typedef typename base::difference_type           difference_type;
     typedef typename base::iterator                  iterator;
     typedef typename base::const_iterator            const_iterator;
-    typedef _VSTD::reverse_iterator<iterator>         reverse_iterator;
-    typedef _VSTD::reverse_iterator<const_iterator>   const_reverse_iterator;
+    typedef _STD::reverse_iterator<iterator>         reverse_iterator;
+    typedef _STD::reverse_iterator<const_iterator>   const_reverse_iterator;
 
     _LIBCPP_INLINE_VISIBILITY
-    list()
-        _NOEXCEPT_(is_nothrow_default_constructible<__node_allocator>::value)
-        {}
+    list() {}
     _LIBCPP_INLINE_VISIBILITY
     list(const allocator_type& __a) : base(__a) {}
     list(size_type __n);
@@ -580,13 +546,9 @@ public:
     list(initializer_list<value_type> __il);
     list(initializer_list<value_type> __il, const allocator_type& __a);
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    list(list&& __c)
-        _NOEXCEPT_(is_nothrow_move_constructible<__node_allocator>::value);
+    list(list&& __c);
     list(list&& __c, const allocator_type& __a);
-    list& operator=(list&& __c)
-        _NOEXCEPT_(
-            __node_alloc_traits::propagate_on_container_move_assignment::value &&
-            is_nothrow_move_assignable<__node_allocator>::value);
+    list& operator=(list&& __c);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     list& operator=(initializer_list<value_type> __il)
@@ -600,47 +562,40 @@ public:
     void assign(initializer_list<value_type> __il)
         {assign(__il.begin(), __il.end());}
 
-    allocator_type get_allocator() const _NOEXCEPT;
+    allocator_type get_allocator() const;
 
     _LIBCPP_INLINE_VISIBILITY
-    size_type size() const _NOEXCEPT     {return base::__sz();}
+    size_type size() const     {return base::__sz();}
     _LIBCPP_INLINE_VISIBILITY
-    bool empty() const _NOEXCEPT         {return base::empty();}
+    bool empty() const         {return base::empty();}
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_size() const _NOEXCEPT
-        {return numeric_limits<difference_type>::max();}
+    size_type max_size() const {return numeric_limits<difference_type>::max();}
 
     _LIBCPP_INLINE_VISIBILITY
-          iterator begin() _NOEXCEPT        {return base::begin();}
+          iterator begin()        {return base::begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator begin()  const _NOEXCEPT {return base::begin();}
+    const_iterator begin()  const {return base::begin();}
     _LIBCPP_INLINE_VISIBILITY
-          iterator end() _NOEXCEPT          {return base::end();}
+          iterator end()          {return base::end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator end()    const _NOEXCEPT {return base::end();}
+    const_iterator end()    const {return base::end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cbegin() const _NOEXCEPT {return base::begin();}
+    const_iterator cbegin() const {return base::begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cend()   const _NOEXCEPT {return base::end();}
+    const_iterator cend()   const {return base::end();}
 
     _LIBCPP_INLINE_VISIBILITY
-          reverse_iterator rbegin() _NOEXCEPT
-            {return       reverse_iterator(end());}
+          reverse_iterator rbegin()        {return       reverse_iterator(end());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator rbegin()  const _NOEXCEPT
-        {return const_reverse_iterator(end());}
+    const_reverse_iterator rbegin()  const {return const_reverse_iterator(end());}
     _LIBCPP_INLINE_VISIBILITY
-          reverse_iterator rend() _NOEXCEPT
-            {return       reverse_iterator(begin());}
+          reverse_iterator rend()          {return       reverse_iterator(begin());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator rend()    const _NOEXCEPT
-        {return const_reverse_iterator(begin());}
+    const_reverse_iterator rend()    const {return const_reverse_iterator(begin());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator crbegin() const _NOEXCEPT
-        {return const_reverse_iterator(end());}
+    const_reverse_iterator crbegin() const {return const_reverse_iterator(end());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator crend()   const _NOEXCEPT
-        {return const_reverse_iterator(begin());}
+    const_reverse_iterator crend()   const {return const_reverse_iterator(begin());}
 
     _LIBCPP_INLINE_VISIBILITY
           reference front()        {return base::__end_.__next_->__value_;}
@@ -678,12 +633,9 @@ public:
         {return insert(__p, __il.begin(), __il.end());}
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(list& __c)
-        _NOEXCEPT_(!__node_alloc_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<__node_allocator>::value)
-        {base::swap(__c);}
+    void swap(list& __c) {base::swap(__c);}
     _LIBCPP_INLINE_VISIBILITY
-    void clear() _NOEXCEPT {base::clear();}
+    void clear() {base::clear();}
 
     void pop_front();
     void pop_back();
@@ -733,7 +685,7 @@ public:
     template <class _Comp>
         void sort(_Comp __comp);
 
-    void reverse() _NOEXCEPT;
+    void reverse();
 
 private:
     static void __link_nodes(__node& __p, __node& __f, __node& __l);
@@ -741,8 +693,7 @@ private:
     template <class _Comp>
         static iterator __sort(iterator __f1, iterator __e2, size_type __n, _Comp& __comp);
 
-    void __move_assign(list& __c, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<__node_allocator>::value);
+    void __move_assign(list& __c, true_type);
     void __move_assign(list& __c, false_type);
 };
 
@@ -763,8 +714,8 @@ inline _LIBCPP_INLINE_VISIBILITY
 typename list<_Tp, _Alloc>::iterator
 list<_Tp, _Alloc>::__iterator(size_type __n)
 {
-    return __n <= base::__sz() / 2 ? _VSTD::next(begin(), __n)
-                                   : _VSTD::prev(end(), base::__sz() - __n);
+    return __n <= base::__sz() / 2 ? _STD::next(begin(), __n)
+                                   : _STD::prev(end(), base::__sz() - __n);
 }
 
 template <class _Tp, class _Alloc>
@@ -865,8 +816,7 @@ list<_Tp, _Alloc>::operator=(const list& __c)
 template <class _Tp, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 list<_Tp, _Alloc>::list(list&& __c)
-    _NOEXCEPT_(is_nothrow_move_constructible<__node_allocator>::value)
-    : base(allocator_type(_VSTD::move(__c.__node_alloc())))
+    : base(allocator_type(_STD::move(__c.__node_alloc())))
 {
     splice(end(), __c);
 }
@@ -889,9 +839,6 @@ template <class _Tp, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 list<_Tp, _Alloc>&
 list<_Tp, _Alloc>::operator=(list&& __c)
-        _NOEXCEPT_(
-            __node_alloc_traits::propagate_on_container_move_assignment::value &&
-            is_nothrow_move_assignable<__node_allocator>::value)
 {
     __move_assign(__c, integral_constant<bool,
           __node_alloc_traits::propagate_on_container_move_assignment::value>());
@@ -914,7 +861,6 @@ list<_Tp, _Alloc>::__move_assign(list& __c, false_type)
 template <class _Tp, class _Alloc>
 void
 list<_Tp, _Alloc>::__move_assign(list& __c, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<__node_allocator>::value)
 {
     clear();
     base::__move_assign_alloc(__c);
@@ -956,7 +902,7 @@ list<_Tp, _Alloc>::assign(size_type __n, const value_type& __x)
 template <class _Tp, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 _Alloc
-list<_Tp, _Alloc>::get_allocator() const _NOEXCEPT
+list<_Tp, _Alloc>::get_allocator() const
 {
     return allocator_type(base::__node_alloc());
 }
@@ -969,7 +915,7 @@ list<_Tp, _Alloc>::insert(const_iterator __p, const value_type& __x)
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __hold(__node_alloc_traits::allocate(__na, 1), _D(__na, 1));
     __hold->__prev_ = 0;
-    __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
+    __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), __x);
     __link_nodes(const_cast<__node&>(*__p.__ptr_), *__hold, *__hold);
     ++base::__sz();
     return iterator(__hold.release());
@@ -987,7 +933,7 @@ list<_Tp, _Alloc>::insert(const_iterator __p, size_type __n, const value_type& _
         typedef __allocator_destructor<__node_allocator> _D;
         unique_ptr<__node, _D> __hold(__node_alloc_traits::allocate(__na, 1), _D(__na, 1));
         __hold->__prev_ = 0;
-        __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
+        __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), __x);
         ++__ds;
         __r = iterator(__hold.get());
         __hold.release();
@@ -999,7 +945,7 @@ list<_Tp, _Alloc>::insert(const_iterator __p, size_type __n, const value_type& _
             for (--__n; __n != 0; --__n, ++__e, ++__ds)
             {
                 __hold.reset(__node_alloc_traits::allocate(__na, 1));
-                __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
+                __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), __x);
                 __e.__ptr_->__next_ = __hold.get();
                 __hold->__prev_ = __e.__ptr_;
                 __hold.release();
@@ -1010,7 +956,7 @@ list<_Tp, _Alloc>::insert(const_iterator __p, size_type __n, const value_type& _
         {
             while (true)
             {
-                __node_alloc_traits::destroy(__na, _VSTD::addressof(*__e));
+                __node_alloc_traits::destroy(__na, _STD::addressof(*__e));
                 __node_pointer __prev = __e.__ptr_->__prev_;
                 __node_alloc_traits::deallocate(__na, __e.__ptr_, 1);
                 if (__prev == 0)
@@ -1040,7 +986,7 @@ list<_Tp, _Alloc>::insert(const_iterator __p, _InpIter __f, _InpIter __l,
         typedef __allocator_destructor<__node_allocator> _D;
         unique_ptr<__node, _D> __hold(__node_alloc_traits::allocate(__na, 1), _D(__na, 1));
         __hold->__prev_ = 0;
-        __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), *__f);
+        __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), *__f);
         ++__ds;
         __r = iterator(__hold.get());
         __hold.release();
@@ -1052,7 +998,7 @@ list<_Tp, _Alloc>::insert(const_iterator __p, _InpIter __f, _InpIter __l,
             for (++__f; __f != __l; ++__f, ++__e, ++__ds)
             {
                 __hold.reset(__node_alloc_traits::allocate(__na, 1));
-                __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), *__f);
+                __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), *__f);
                 __e.__ptr_->__next_ = __hold.get();
                 __hold->__prev_ = __e.__ptr_;
                 __hold.release();
@@ -1063,7 +1009,7 @@ list<_Tp, _Alloc>::insert(const_iterator __p, _InpIter __f, _InpIter __l,
         {
             while (true)
             {
-                __node_alloc_traits::destroy(__na, _VSTD::addressof(*__e));
+                __node_alloc_traits::destroy(__na, _STD::addressof(*__e));
                 __node_pointer __prev = __e.__ptr_->__prev_;
                 __node_alloc_traits::deallocate(__na, __e.__ptr_, 1);
                 if (__prev == 0)
@@ -1086,7 +1032,7 @@ list<_Tp, _Alloc>::push_front(const value_type& __x)
     __node_allocator& __na = base::__node_alloc();
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __hold(__node_alloc_traits::allocate(__na, 1), _D(__na, 1));
-    __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
+    __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), __x);
     __link_nodes(*base::__end_.__next_, *__hold, *__hold);
     ++base::__sz();
     __hold.release();
@@ -1099,7 +1045,7 @@ list<_Tp, _Alloc>::push_back(const value_type& __x)
     __node_allocator& __na = base::__node_alloc();
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __hold(__node_alloc_traits::allocate(__na, 1), _D(__na, 1));
-    __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
+    __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), __x);
     __link_nodes(static_cast<__node&>(base::__end_), *__hold, *__hold);
     ++base::__sz();
     __hold.release();
@@ -1114,7 +1060,7 @@ list<_Tp, _Alloc>::push_front(value_type&& __x)
     __node_allocator& __na = base::__node_alloc();
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __hold(__node_alloc_traits::allocate(__na, 1), _D(__na, 1));
-    __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::move(__x));
+    __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), _STD::move(__x));
     __link_nodes(*base::__end_.__next_, *__hold, *__hold);
     ++base::__sz();
     __hold.release();
@@ -1127,7 +1073,7 @@ list<_Tp, _Alloc>::push_back(value_type&& __x)
     __node_allocator& __na = base::__node_alloc();
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __hold(__node_alloc_traits::allocate(__na, 1), _D(__na, 1));
-    __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::move(__x));
+    __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), _STD::move(__x));
     __link_nodes(static_cast<__node&>(base::__end_), *__hold, *__hold);
     ++base::__sz();
     __hold.release();
@@ -1143,7 +1089,7 @@ list<_Tp, _Alloc>::emplace_front(_Args&&... __args)
     __node_allocator& __na = base::__node_alloc();
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __hold(__node_alloc_traits::allocate(__na, 1), _D(__na, 1));
-    __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::forward<_Args>(__args)...);
+    __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), _STD::forward<_Args>(__args)...);
     __link_nodes(*base::__end_.__next_, *__hold, *__hold);
     ++base::__sz();
     __hold.release();
@@ -1157,7 +1103,7 @@ list<_Tp, _Alloc>::emplace_back(_Args&&... __args)
     __node_allocator& __na = base::__node_alloc();
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __hold(__node_alloc_traits::allocate(__na, 1), _D(__na, 1));
-    __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::forward<_Args>(__args)...);
+    __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), _STD::forward<_Args>(__args)...);
     __link_nodes(static_cast<__node&>(base::__end_), *__hold, *__hold);
     ++base::__sz();
     __hold.release();
@@ -1172,7 +1118,7 @@ list<_Tp, _Alloc>::emplace(const_iterator __p, _Args&&... __args)
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __hold(__node_alloc_traits::allocate(__na, 1), _D(__na, 1));
     __hold->__prev_ = 0;
-    __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::forward<_Args>(__args)...);
+    __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), _STD::forward<_Args>(__args)...);
     __link_nodes(const_cast<__node&>(*__p.__ptr_), *__hold, *__hold);
     ++base::__sz();
     return iterator(__hold.release());
@@ -1188,7 +1134,7 @@ list<_Tp, _Alloc>::insert(const_iterator __p, value_type&& __x)
     typedef __allocator_destructor<__node_allocator> _D;
     unique_ptr<__node, _D> __hold(__node_alloc_traits::allocate(__na, 1), _D(__na, 1));
     __hold->__prev_ = 0;
-    __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), _VSTD::move(__x));
+    __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), _STD::move(__x));
     __link_nodes(const_cast<__node&>(*__p.__ptr_), *__hold, *__hold);
     ++base::__sz();
     return iterator(__hold.release());
@@ -1204,8 +1150,8 @@ list<_Tp, _Alloc>::pop_front()
     __node& __n = *base::__end_.__next_;
     base::__unlink_nodes(__n, __n);
     --base::__sz();
-    __node_alloc_traits::destroy(__na, _VSTD::addressof(__n.__value_));
-    __node_alloc_traits::deallocate(__na, _VSTD::addressof(__n), 1);
+    __node_alloc_traits::destroy(__na, _STD::addressof(__n.__value_));
+    __node_alloc_traits::deallocate(__na, _STD::addressof(__n), 1);
 }
 
 template <class _Tp, class _Alloc>
@@ -1216,8 +1162,8 @@ list<_Tp, _Alloc>::pop_back()
     __node& __n = *base::__end_.__prev_;
     base::__unlink_nodes(__n, __n);
     --base::__sz();
-    __node_alloc_traits::destroy(__na, _VSTD::addressof(__n.__value_));
-    __node_alloc_traits::deallocate(__na, _VSTD::addressof(__n), 1);
+    __node_alloc_traits::destroy(__na, _STD::addressof(__n.__value_));
+    __node_alloc_traits::deallocate(__na, _STD::addressof(__n), 1);
 }
 
 template <class _Tp, class _Alloc>
@@ -1229,8 +1175,8 @@ list<_Tp, _Alloc>::erase(const_iterator __p)
     __node_pointer __r = __n.__next_;
     base::__unlink_nodes(__n, __n);
     --base::__sz();
-    __node_alloc_traits::destroy(__na, _VSTD::addressof(__n.__value_));
-    __node_alloc_traits::deallocate(__na, _VSTD::addressof(__n), 1);
+    __node_alloc_traits::destroy(__na, _STD::addressof(__n.__value_));
+    __node_alloc_traits::deallocate(__na, _STD::addressof(__n), 1);
     return iterator(__r);
 }
 
@@ -1247,8 +1193,8 @@ list<_Tp, _Alloc>::erase(const_iterator __f, const_iterator __l)
             __node& __n = const_cast<__node&>(*__f.__ptr_);
             ++__f;
             --base::__sz();
-            __node_alloc_traits::destroy(__na, _VSTD::addressof(__n.__value_));
-            __node_alloc_traits::deallocate(__na, _VSTD::addressof(__n), 1);
+            __node_alloc_traits::destroy(__na, _STD::addressof(__n.__value_));
+            __node_alloc_traits::deallocate(__na, _STD::addressof(__n), 1);
         }
     }
     return iterator(const_cast<__node_pointer>(__l.__ptr_));
@@ -1268,7 +1214,7 @@ list<_Tp, _Alloc>::resize(size_type __n)
         typedef __allocator_destructor<__node_allocator> _D;
         unique_ptr<__node, _D> __hold(__node_alloc_traits::allocate(__na, 1), _D(__na, 1));
         __hold->__prev_ = 0;
-        __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_));
+        __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_));
         ++__ds;
         iterator __r = iterator(__hold.release());
         iterator __e = __r;
@@ -1279,7 +1225,7 @@ list<_Tp, _Alloc>::resize(size_type __n)
             for (--__n; __n != 0; --__n, ++__e, ++__ds)
             {
                 __hold.reset(__node_alloc_traits::allocate(__na, 1));
-                __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_));
+                __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_));
                 __e.__ptr_->__next_ = __hold.get();
                 __hold->__prev_ = __e.__ptr_;
                 __hold.release();
@@ -1290,7 +1236,7 @@ list<_Tp, _Alloc>::resize(size_type __n)
         {
             while (true)
             {
-                __node_alloc_traits::destroy(__na, _VSTD::addressof(*__e));
+                __node_alloc_traits::destroy(__na, _STD::addressof(*__e));
                 __node_pointer __prev = __e.__ptr_->__prev_;
                 __node_alloc_traits::deallocate(__na, __e.__ptr_, 1);
                 if (__prev == 0)
@@ -1319,7 +1265,7 @@ list<_Tp, _Alloc>::resize(size_type __n, const value_type& __x)
         typedef __allocator_destructor<__node_allocator> _D;
         unique_ptr<__node, _D> __hold(__node_alloc_traits::allocate(__na, 1), _D(__na, 1));
         __hold->__prev_ = 0;
-        __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
+        __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), __x);
         ++__ds;
         iterator __r = iterator(__hold.release());
         iterator __e = __r;
@@ -1330,7 +1276,7 @@ list<_Tp, _Alloc>::resize(size_type __n, const value_type& __x)
             for (--__n; __n != 0; --__n, ++__e, ++__ds)
             {
                 __hold.reset(__node_alloc_traits::allocate(__na, 1));
-                __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
+                __node_alloc_traits::construct(__na, _STD::addressof(__hold->__value_), __x);
                 __e.__ptr_->__next_ = __hold.get();
                 __hold->__prev_ = __e.__ptr_;
                 __hold.release();
@@ -1341,7 +1287,7 @@ list<_Tp, _Alloc>::resize(size_type __n, const value_type& __x)
         {
             while (true)
             {
-                __node_alloc_traits::destroy(__na, _VSTD::addressof(*__e));
+                __node_alloc_traits::destroy(__na, _STD::addressof(*__e));
                 __node_pointer __prev = __e.__ptr_->__prev_;
                 __node_alloc_traits::deallocate(__na, __e.__ptr_, 1);
                 if (__prev == 0)
@@ -1375,7 +1321,7 @@ template <class _Tp, class _Alloc>
 void
 list<_Tp, _Alloc>::splice(const_iterator __p, list& __c, const_iterator __i)
 {
-    if (__p != __i && __p != _VSTD::next(__i))
+    if (__p != __i && __p != _STD::next(__i))
     {
         __node& __f = const_cast<__node&>(*__i.__ptr_);
         base::__unlink_nodes(__f, __f);
@@ -1393,7 +1339,7 @@ list<_Tp, _Alloc>::splice(const_iterator __p, list& __c, const_iterator __f, con
     {
         if (this != &__c)
         {
-            size_type __s = _VSTD::distance(__f, __l);
+            size_type __s = _STD::distance(__f, __l);
             __c.__sz() -= __s;
             base::__sz() += __s;
         }
@@ -1413,7 +1359,7 @@ list<_Tp, _Alloc>::remove(const value_type& __x)
     {
         if (*__i == __x)
         {
-            iterator __j = _VSTD::next(__i);
+            iterator __j = _STD::next(__i);
             for (; __j != __e && *__j == __x; ++__j)
                 ;
             __i = erase(__i, __j);
@@ -1432,7 +1378,7 @@ list<_Tp, _Alloc>::remove_if(_Pred __pred)
     {
         if (__pred(*__i))
         {
-            iterator __j = _VSTD::next(__i);
+            iterator __j = _STD::next(__i);
             for (; __j != __e && __pred(*__j); ++__j)
                 ;
             __i = erase(__i, __j);
@@ -1457,7 +1403,7 @@ list<_Tp, _Alloc>::unique(_BinaryPred __binary_pred)
 {
     for (iterator __i = begin(), __e = end(); __i != __e;)
     {
-        iterator __j = _VSTD::next(__i);
+        iterator __j = _STD::next(__i);
         for (; __j != __e && __binary_pred(*__i, *__j); ++__j)
             ;
         if (++__i != __j)
@@ -1489,7 +1435,7 @@ list<_Tp, _Alloc>::merge(list& __c, _Comp __comp)
             if (__comp(*__f2, *__f1))
             {
                 size_type __ds = 1;
-                iterator __m2 = _VSTD::next(__f2);
+                iterator __m2 = _STD::next(__f2);
                 for (; __m2 != __e2 && __comp(*__m2, *__f1); ++__m2, ++__ds)
                     ;
                 base::__sz() += __ds;
@@ -1498,7 +1444,7 @@ list<_Tp, _Alloc>::merge(list& __c, _Comp __comp)
                 __node& __l = *__m2.__ptr_->__prev_;
                 __f2 = __m2;
                 base::__unlink_nodes(__f, __l);
-                __m2 = _VSTD::next(__f1);
+                __m2 = _STD::next(__f1);
                 __link_nodes(*__f1.__ptr_, __f, __l);
                 __f1 = __m2;
             }
@@ -1547,12 +1493,12 @@ list<_Tp, _Alloc>::__sort(iterator __f1, iterator __e2, size_type __n, _Comp& __
         return __f1;
     }
     size_type __n2 = __n / 2;
-    iterator __e1 = _VSTD::next(__f1, __n2);
+    iterator __e1 = _STD::next(__f1, __n2);
     iterator  __r = __f1 = __sort(__f1, __e1, __n2, __comp);
     iterator __f2 = __e1 = __sort(__e1, __e2, __n - __n2, __comp);
     if (__comp(*__f2, *__f1))
     {
-        iterator __m2 = _VSTD::next(__f2);
+        iterator __m2 = _STD::next(__f2);
         for (; __m2 != __e2 && __comp(*__m2, *__f1); ++__m2)
             ;
         __node& __f = *__f2.__ptr_;
@@ -1560,7 +1506,7 @@ list<_Tp, _Alloc>::__sort(iterator __f1, iterator __e2, size_type __n, _Comp& __
         __r = __f2;
         __e1 = __f2 = __m2;
         base::__unlink_nodes(__f, __l);
-        __m2 = _VSTD::next(__f1);
+        __m2 = _STD::next(__f1);
         __link_nodes(*__f1.__ptr_, __f, __l);
         __f1 = __m2;
     }
@@ -1570,7 +1516,7 @@ list<_Tp, _Alloc>::__sort(iterator __f1, iterator __e2, size_type __n, _Comp& __
     {
         if (__comp(*__f2, *__f1))
         {
-            iterator __m2 = _VSTD::next(__f2);
+            iterator __m2 = _STD::next(__f2);
             for (; __m2 != __e2 && __comp(*__m2, *__f1); ++__m2)
                 ;
             __node& __f = *__f2.__ptr_;
@@ -1579,7 +1525,7 @@ list<_Tp, _Alloc>::__sort(iterator __f1, iterator __e2, size_type __n, _Comp& __
                 __e1 = __m2;
             __f2 = __m2;
             base::__unlink_nodes(__f, __l);
-            __m2 = _VSTD::next(__f1);
+            __m2 = _STD::next(__f1);
             __link_nodes(*__f1.__ptr_, __f, __l);
             __f1 = __m2;
         }
@@ -1591,14 +1537,14 @@ list<_Tp, _Alloc>::__sort(iterator __f1, iterator __e2, size_type __n, _Comp& __
 
 template <class _Tp, class _Alloc>
 void
-list<_Tp, _Alloc>::reverse() _NOEXCEPT
+list<_Tp, _Alloc>::reverse()
 {
     if (base::__sz() > 1)
     {
         iterator __e = end();
         for (iterator __i = begin(); __i != __e; --__i)
-            _VSTD::swap(__i.__ptr_->__prev_, __i.__ptr_->__next_);
-        _VSTD::swap(__e.__ptr_->__prev_, __e.__ptr_->__next_);
+            _STD::swap(__i.__ptr_->__prev_, __i.__ptr_->__next_);
+        _STD::swap(__e.__ptr_->__prev_, __e.__ptr_->__next_);
     }
 }
 
@@ -1607,7 +1553,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 bool
 operator==(const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y)
 {
-    return __x.size() == __y.size() && _VSTD::equal(__x.begin(), __x.end(), __y.begin());
+    return __x.size() == __y.size() && _STD::equal(__x.begin(), __x.end(), __y.begin());
 }
 
 template <class _Tp, class _Alloc>
@@ -1615,7 +1561,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 bool
 operator< (const list<_Tp, _Alloc>& __x, const list<_Tp, _Alloc>& __y)
 {
-    return _VSTD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
+    return _STD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
 }
 
 template <class _Tp, class _Alloc>
@@ -1654,7 +1600,6 @@ template <class _Tp, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(list<_Tp, _Alloc>& __x, list<_Tp, _Alloc>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }

include/locale

@@ -36,8 +36,8 @@ public:
         all = collate | ctype | monetary | numeric | time | messages;
 
     // construct/copy/destroy:
-    locale() noexcept;
-    locale(const locale& other) noexcept;
+    locale() throw();
+    locale(const locale& other) throw();
     explicit locale(const char* std_name);
     explicit locale(const string& std_name);
     locale(const locale& other, const char* std_name, category);
@@ -45,9 +45,9 @@ public:
     template <class Facet> locale(const locale& other, Facet* f);
     locale(const locale& other, const locale& one, category);
 
-    ~locale(); // not virtual
+    ~locale() throw(); // not virtual
 
-    const locale& operator=(const locale& other) noexcept;
+    const locale& operator=(const locale& other) throw();
 
     template <class Facet> locale combine(const locale& other) const;
 
@@ -65,7 +65,7 @@ public:
 };
 
 template <class Facet> const Facet& use_facet(const locale&);
-template <class Facet> bool has_facet(const locale&) noexcept;
+template <class Facet> bool has_facet(const locale&) throw();
 
 // 22.3.3, convenience interfaces:
 template <class charT> bool isspace (charT c, const locale& loc);
@@ -192,11 +192,6 @@ template <class charT> class messages_byname;
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-#ifndef _LIBCPP_STABLE_APPLE_ABI
-// Get the C locale object
-locale_t __cloc();
-#endif
-
 // OSX has nice foo_l() functions that let you turn off use of the global
 // locale.  Linux, not so much.  The following functions avoid the locale when
 // that's possible and otherwise do the wrong thing.  FIXME.
@@ -368,7 +363,7 @@ __scan_keyword(_InputIterator& __b, _InputIterator __e,
                bool __case_sensitive = true)
 {
     typedef typename iterator_traits<_InputIterator>::value_type _CharT;
-    size_t __nkw = _VSTD::distance(__kb, __ke);
+    size_t __nkw = _STD::distance(__kb, __ke);
     const unsigned char __doesnt_match = '\0';
     const unsigned char __might_match = '\1';
     const unsigned char __does_match = '\2';
@@ -2351,12 +2346,6 @@ time_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
         __b = get(__b, __e, __iob, __err, __tm, __fmt, __fmt + sizeof(__fmt)/sizeof(__fmt[0]));
         }
         break;
-    case 'F':
-        {
-        const char_type __fmt[] = {'%', 'Y', '-', '%', 'm', '-', '%', 'd'};
-        __b = get(__b, __e, __iob, __err, __tm, __fmt, __fmt + sizeof(__fmt)/sizeof(__fmt[0]));
-        }
-        break;
     case 'H':
         __get_hour(__tm->tm_hour, __b, __e, __err, __ct);
         break;
@@ -2516,11 +2505,7 @@ class __time_put
 {
     locale_t __loc_;
 protected:
-#ifdef _LIBCPP_STABLE_APPLE_ABI
     _LIBCPP_ALWAYS_INLINE __time_put() : __loc_(0) {}
-#else   // _LIBCPP_STABLE_APPLE_ABI
-    _LIBCPP_ALWAYS_INLINE __time_put() : __loc_(__cloc()) {}
-#endif  // _LIBCPP_STABLE_APPLE_ABI
     __time_put(const char* __nm);
     __time_put(const string& __nm);
     ~__time_put();
@@ -2623,7 +2608,7 @@ time_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob,
     char_type* __nb = __nar;
     char_type* __ne = __nb + 100;
     __do_put(__nb, __ne, __tm, __fmt, __mod);
-    return _VSTD::copy(__nb, __ne, __s);
+    return _STD::copy(__nb, __ne, __s);
 }
 
 extern template class time_put<char>;
@@ -3291,7 +3276,7 @@ __money_put<_CharT>::__format(char_type* __mb, char_type*& __mi, char_type*& __m
             break;
         case money_base::symbol:
             if (!__sym.empty() && (__flags & ios_base::showbase))
-                __me = _VSTD::copy(__sym.begin(), __sym.end(), __me);
+                __me = _STD::copy(__sym.begin(), __sym.end(), __me);
             break;
         case money_base::value:
             {
@@ -3350,7 +3335,7 @@ __money_put<_CharT>::__format(char_type* __mb, char_type*& __mi, char_type*& __m
     }
     // print rest of sign, if any
     if (__sn.size() > 1)
-        __me = _VSTD::copy(__sn.begin()+1, __sn.end(), __me);
+        __me = _STD::copy(__sn.begin()+1, __sn.end(), __me);
     // set alignment
     if ((__flags & ios_base::adjustfield) == ios_base::left)
         __mi = __me;
@@ -3725,8 +3710,8 @@ template<class _Codecvt, class _Elem, class _Wide_alloc, class _Byte_alloc>
 inline _LIBCPP_ALWAYS_INLINE
 wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>::
     wstring_convert(wstring_convert&& __wc)
-        : __byte_err_string_(_VSTD::move(__wc.__byte_err_string_)),
-          __wide_err_string_(_VSTD::move(__wc.__wide_err_string_)),
+        : __byte_err_string_(_STD::move(__wc.__byte_err_string_)),
+          __wide_err_string_(_STD::move(__wc.__wide_err_string_)),
           __cvtptr_(__wc.__cvtptr_),
           __cvtstate_(__wc.__cvtstate_), __cvtcount_(__wc.__cvtstate_)
 {
@@ -4019,7 +4004,7 @@ wbuffer_convert<_Codecvt, _Elem, _Tr>::underflow()
             memmove(__extbuf_, __extbufnext_, __extbufend_ - __extbufnext_);
             __extbufnext_ = __extbuf_ + (__extbufend_ - __extbufnext_);
             __extbufend_ = __extbuf_ + (__extbuf_ == __extbuf_min_ ? sizeof(__extbuf_min_) : __ebs_);
-            streamsize __nmemb = _VSTD::min(static_cast<streamsize>(this->egptr() - this->eback() - __unget_sz),
+            streamsize __nmemb = _STD::min(static_cast<streamsize>(this->egptr() - this->eback() - __unget_sz),
                                  static_cast<streamsize>(__extbufend_ - __extbufnext_));
             codecvt_base::result __r;
             state_type __svs = __st_;

include/map

@@ -54,11 +54,7 @@ public:
     };
 
     // construct/copy/destroy:
-    map()
-        noexcept(
-            is_nothrow_default_constructible<allocator_type>::value &&
-            is_nothrow_default_constructible<key_compare>::value &&
-            is_nothrow_copy_constructible<key_compare>::value);
+    map();
     explicit map(const key_compare& comp);
     map(const key_compare& comp, const allocator_type& a);
     template <class InputIterator>
@@ -68,10 +64,7 @@ public:
         map(InputIterator first, InputIterator last,
             const key_compare& comp, const allocator_type& a);
     map(const map& m);
-    map(map&& m)
-        noexcept(
-            is_nothrow_move_constructible<allocator_type>::value &&
-            is_nothrow_move_constructible<key_compare>::value);
+    map(map&& m);
     explicit map(const allocator_type& a);
     map(const map& m, const allocator_type& a);
     map(map&& m, const allocator_type& a);
@@ -80,33 +73,29 @@ public:
     ~map();
 
     map& operator=(const map& m);
-    map& operator=(map&& m)
-        noexcept(
-            allocator_type::propagate_on_container_move_assignment::value &&
-            is_nothrow_move_assignable<allocator_type>::value &&
-            is_nothrow_move_assignable<key_compare>::value);
+    map& operator=(map&& m);
     map& operator=(initializer_list<value_type> il);
 
     // iterators:
-          iterator begin() noexcept;
-    const_iterator begin() const noexcept;
-          iterator end() noexcept;
-    const_iterator end()   const noexcept;
+          iterator begin();
+    const_iterator begin() const;
+          iterator end();
+    const_iterator end()   const;
 
-          reverse_iterator rbegin() noexcept;
-    const_reverse_iterator rbegin() const noexcept;
-          reverse_iterator rend() noexcept;
-    const_reverse_iterator rend()   const noexcept;
+          reverse_iterator rbegin();
+    const_reverse_iterator rbegin() const;
+          reverse_iterator rend();
+    const_reverse_iterator rend()   const;
 
-    const_iterator         cbegin()  const noexcept;
-    const_iterator         cend()    const noexcept;
-    const_reverse_iterator crbegin() const noexcept;
-    const_reverse_iterator crend()   const noexcept;
+    const_iterator         cbegin()  const;
+    const_iterator         cend()    const;
+    const_reverse_iterator crbegin() const;
+    const_reverse_iterator crend()   const;
 
     // capacity:
-    bool      empty()    const noexcept;
-    size_type size()     const noexcept;
-    size_type max_size() const noexcept;
+    bool      empty()    const;
+    size_type size()     const;
+    size_type max_size() const;
 
     // element access:
     mapped_type& operator[](const key_type& k);
@@ -133,16 +122,12 @@ public:
     iterator  erase(const_iterator position);
     size_type erase(const key_type& k);
     iterator  erase(const_iterator first, const_iterator last);
-    void clear() noexcept;
+    void clear();
 
-    void swap(map& m)
-        noexcept(
-            __is_nothrow_swappable<key_compare>::value &&
-            (!allocator_type::propagate_on_container_swap::value ||
-             __is_nothrow_swappable<allocator_type>::value));
+    void swap(map& m);
 
     // observers:
-    allocator_type get_allocator() const noexcept;
+    allocator_type get_allocator() const;
     key_compare    key_comp()      const;
     value_compare  value_comp()    const;
 
@@ -191,8 +176,7 @@ operator<=(const map<Key, T, Compare, Allocator>& x,
 // specialized algorithms:
 template <class Key, class T, class Compare, class Allocator>
 void
-swap(map<Key, T, Compare, Allocator>& x, map<Key, T, Compare, Allocator>& y)
-    noexcept(noexcept(x.swap(y)));
+swap(map<Key, T, Compare, Allocator>& x, map<Key, T, Compare, Allocator>& y);
 
 template <class Key, class T, class Compare = less<Key>,
           class Allocator = allocator<pair<const Key, T>>>
@@ -229,12 +213,7 @@ public:
     };
 
     // construct/copy/destroy:
-    multimap()
-        noexcept(
-            is_nothrow_default_constructible<allocator_type>::value &&
-            is_nothrow_default_constructible<key_compare>::value &&
-            is_nothrow_copy_constructible<key_compare>::value);
-    explicit multimap(const key_compare& comp);
+    explicit multimap(const key_compare& comp = key_compare());
     multimap(const key_compare& comp, const allocator_type& a);
     template <class InputIterator>
         multimap(InputIterator first, InputIterator last, const key_compare& comp);
@@ -242,10 +221,7 @@ public:
         multimap(InputIterator first, InputIterator last, const key_compare& comp,
                  const allocator_type& a);
     multimap(const multimap& m);
-    multimap(multimap&& m)
-        noexcept(
-            is_nothrow_move_constructible<allocator_type>::value &&
-            is_nothrow_move_constructible<key_compare>::value);
+    multimap(multimap&& m);
     explicit multimap(const allocator_type& a);
     multimap(const multimap& m, const allocator_type& a);
     multimap(multimap&& m, const allocator_type& a);
@@ -255,33 +231,29 @@ public:
     ~multimap();
 
     multimap& operator=(const multimap& m);
-    multimap& operator=(multimap&& m)
-        noexcept(
-            allocator_type::propagate_on_container_move_assignment::value &&
-            is_nothrow_move_assignable<allocator_type>::value &&
-            is_nothrow_move_assignable<key_compare>::value);
+    multimap& operator=(multimap&& m);
     multimap& operator=(initializer_list<value_type> il);
 
     // iterators:
-          iterator begin() noexcept;
-    const_iterator begin() const noexcept;
-          iterator end() noexcept;
-    const_iterator end()   const noexcept;
+          iterator begin();
+    const_iterator begin() const;
+          iterator end();
+    const_iterator end()   const;
 
-          reverse_iterator rbegin() noexcept;
-    const_reverse_iterator rbegin() const noexcept;
-          reverse_iterator rend() noexcept;
-    const_reverse_iterator rend()   const noexcept;
+          reverse_iterator rbegin();
+    const_reverse_iterator rbegin() const;
+          reverse_iterator rend();
+    const_reverse_iterator rend()   const;
 
-    const_iterator         cbegin()  const noexcept;
-    const_iterator         cend()    const noexcept;
-    const_reverse_iterator crbegin() const noexcept;
-    const_reverse_iterator crend()   const noexcept;
+    const_iterator         cbegin()  const;
+    const_iterator         cend()    const;
+    const_reverse_iterator crbegin() const;
+    const_reverse_iterator crend()   const;
 
     // capacity:
-    bool      empty()    const noexcept;
-    size_type size()     const noexcept;
-    size_type max_size() const noexcept;
+    bool      empty()    const;
+    size_type size()     const;
+    size_type max_size() const;
 
     // modifiers:
     template <class... Args>
@@ -301,16 +273,12 @@ public:
     iterator  erase(const_iterator position);
     size_type erase(const key_type& k);
     iterator  erase(const_iterator first, const_iterator last);
-    void clear() noexcept;
+    void clear();
 
-    void swap(multimap& m)
-        noexcept(
-            __is_nothrow_swappable<key_compare>::value &&
-            (!allocator_type::propagate_on_container_swap::value ||
-             __is_nothrow_swappable<allocator_type>::value));
+    void swap(multimap& m);
 
     // observers:
-    allocator_type get_allocator() const noexcept;
+    allocator_type get_allocator() const;
     key_compare    key_comp()      const;
     value_compare  value_comp()    const;
 
@@ -360,8 +328,7 @@ operator<=(const multimap<Key, T, Compare, Allocator>& x,
 template <class Key, class T, class Compare, class Allocator>
 void
 swap(multimap<Key, T, Compare, Allocator>& x,
-     multimap<Key, T, Compare, Allocator>& y)
-    noexcept(noexcept(x.swap(y)));
+     multimap<Key, T, Compare, Allocator>& y);
 
 }  // std
 
@@ -387,15 +354,11 @@ class __map_value_compare
     typedef pair<const _Key, _Tp> _CP;
 public:
     _LIBCPP_INLINE_VISIBILITY
-    __map_value_compare()
-        _NOEXCEPT_(is_nothrow_default_constructible<_Compare>::value)
-        : _Compare() {}
+    __map_value_compare() : _Compare() {}
     _LIBCPP_INLINE_VISIBILITY
-    __map_value_compare(_Compare c)
-        _NOEXCEPT_(is_nothrow_copy_constructible<_Compare>::value)
-        : _Compare(c) {}
+    __map_value_compare(_Compare c) : _Compare(c) {}
     _LIBCPP_INLINE_VISIBILITY
-    const _Compare& key_comp() const _NOEXCEPT {return *this;}
+    const _Compare& key_comp() const {return *this;}
     _LIBCPP_INLINE_VISIBILITY
     bool operator()(const _CP& __x, const _CP& __y) const
         {return static_cast<const _Compare&>(*this)(__x.first, __y.first);}
@@ -435,15 +398,11 @@ class __map_value_compare<_Key, _Tp, _Compare, false>
 
 public:
     _LIBCPP_INLINE_VISIBILITY
-    __map_value_compare()
-        _NOEXCEPT_(is_nothrow_default_constructible<_Compare>::value)
-        : comp() {}
+    __map_value_compare() : comp() {}
     _LIBCPP_INLINE_VISIBILITY
-    __map_value_compare(_Compare c)
-        _NOEXCEPT_(is_nothrow_copy_constructible<_Compare>::value)
-        : comp(c) {}
+    __map_value_compare(_Compare c) : comp(c) {}
     _LIBCPP_INLINE_VISIBILITY
-    const _Compare& key_comp() const _NOEXCEPT {return comp;}
+    const _Compare& key_comp() const {return comp;}
 
     _LIBCPP_INLINE_VISIBILITY
     bool operator()(const _CP& __x, const _CP& __y) const
@@ -495,7 +454,7 @@ public:
     bool __second_constructed;
 
     _LIBCPP_INLINE_VISIBILITY
-    explicit __map_node_destructor(allocator_type& __na) _NOEXCEPT
+    explicit __map_node_destructor(allocator_type& __na)
         : __na_(__na),
           __first_constructed(false),
           __second_constructed(false)
@@ -503,7 +462,7 @@ public:
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
-    __map_node_destructor(__tree_node_destructor<allocator_type>&& __x) _NOEXCEPT
+    __map_node_destructor(__tree_node_destructor<allocator_type>&& __x)
         : __na_(__x.__na_),
           __first_constructed(__x.__value_constructed),
           __second_constructed(__x.__value_constructed)
@@ -513,22 +472,20 @@ public:
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     _LIBCPP_INLINE_VISIBILITY
-    void operator()(pointer __p) _NOEXCEPT
+    void operator()(pointer __p)
     {
         if (__second_constructed)
-            __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.second));
+            __alloc_traits::destroy(__na_, _STD::addressof(__p->__value_.second));
         if (__first_constructed)
-            __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.first));
+            __alloc_traits::destroy(__na_, _STD::addressof(__p->__value_.first));
         if (__p)
             __alloc_traits::deallocate(__na_, __p, 1);
     }
 };
 
-template <class _Key, class _Tp, class _Compare, class _Allocator>
-    class map;
-template <class _Key, class _Tp, class _Compare, class _Allocator>
-    class multimap;
-template <class _TreeIterator> class __map_const_iterator;
+template <class, class, class, class> class map;
+template <class, class, class, class> class multimap;
+template <class> class __map_const_iterator;
 
 template <class _TreeIterator>
 class _LIBCPP_VISIBLE __map_iterator
@@ -552,10 +509,10 @@ public:
                                                                  pointer;
 
     _LIBCPP_INLINE_VISIBILITY
-    __map_iterator() _NOEXCEPT {}
+    __map_iterator() {}
 
     _LIBCPP_INLINE_VISIBILITY
-    __map_iterator(_TreeIterator __i) _NOEXCEPT : __i_(__i) {}
+    __map_iterator(_TreeIterator __i) : __i_(__i) {}
 
     _LIBCPP_INLINE_VISIBILITY
     reference operator*() const {return *operator->();}
@@ -610,21 +567,20 @@ public:
     typedef const value_type&                                    reference;
     typedef typename __pointer_traits::template
 #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-            rebind<const value_type>
+            rebind<value_type>
 #else
-            rebind<const value_type>::other
+            rebind<value_type>::other
 #endif
                                                                  pointer;
 
     _LIBCPP_INLINE_VISIBILITY
-    __map_const_iterator() _NOEXCEPT {}
+    __map_const_iterator() {}
 
     _LIBCPP_INLINE_VISIBILITY
-    __map_const_iterator(_TreeIterator __i) _NOEXCEPT : __i_(__i) {}
+    __map_const_iterator(_TreeIterator __i) : __i_(__i) {}
     _LIBCPP_INLINE_VISIBILITY
     __map_const_iterator(
             __map_iterator<typename _TreeIterator::__non_const_iterator> __i)
-                _NOEXCEPT
                 : __i_(__i.__i_) {}
 
     _LIBCPP_INLINE_VISIBILITY
@@ -715,15 +671,11 @@ public:
     typedef typename __alloc_traits::difference_type       difference_type;
     typedef __map_iterator<typename __base::iterator>      iterator;
     typedef __map_const_iterator<typename __base::const_iterator> const_iterator;
-    typedef _VSTD::reverse_iterator<iterator>               reverse_iterator;
-    typedef _VSTD::reverse_iterator<const_iterator>         const_reverse_iterator;
+    typedef _STD::reverse_iterator<iterator>               reverse_iterator;
+    typedef _STD::reverse_iterator<const_iterator>         const_reverse_iterator;
 
     _LIBCPP_INLINE_VISIBILITY
     explicit map(const key_compare& __comp = key_compare())
-        _NOEXCEPT_(
-            is_nothrow_default_constructible<allocator_type>::value &&
-            is_nothrow_default_constructible<key_compare>::value &&
-            is_nothrow_copy_constructible<key_compare>::value)
         : __tree_(__vc(__comp)) {}
 
     _LIBCPP_INLINE_VISIBILITY
@@ -755,19 +707,11 @@ public:
             insert(__m.begin(), __m.end());
         }
 
-    _LIBCPP_INLINE_VISIBILITY
-    map& operator=(const map& __m)
-        {
-            __tree_ = __m.__tree_;
-            return *this;
-        }
-
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     _LIBCPP_INLINE_VISIBILITY
     map(map&& __m)
-        _NOEXCEPT_(is_nothrow_move_constructible<__base>::value)
-        : __tree_(_VSTD::move(__m.__tree_))
+        : __tree_(_STD::move(__m.__tree_))
         {
         }
 
@@ -789,9 +733,8 @@ public:
 
     _LIBCPP_INLINE_VISIBILITY
     map& operator=(map&& __m)
-        _NOEXCEPT_(is_nothrow_move_assignable<__base>::value)
         {
-            __tree_ = _VSTD::move(__m.__tree_);
+            __tree_ = _STD::move(__m.__tree_);
             return *this;
         }
 
@@ -818,41 +761,38 @@ public:
         }
 
     _LIBCPP_INLINE_VISIBILITY
-          iterator begin() _NOEXCEPT {return __tree_.begin();}
+          iterator begin()       {return __tree_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator begin() const _NOEXCEPT {return __tree_.begin();}
+    const_iterator begin() const {return __tree_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-          iterator end() _NOEXCEPT {return __tree_.end();}
+          iterator end()         {return __tree_.end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator end() const _NOEXCEPT {return __tree_.end();}
+    const_iterator end()   const {return __tree_.end();}
 
     _LIBCPP_INLINE_VISIBILITY
-          reverse_iterator rbegin() _NOEXCEPT {return reverse_iterator(end());}
+          reverse_iterator rbegin()       {return       reverse_iterator(end());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator rbegin() const _NOEXCEPT
-        {return const_reverse_iterator(end());}
+    const_reverse_iterator rbegin() const {return const_reverse_iterator(end());}
     _LIBCPP_INLINE_VISIBILITY
-          reverse_iterator rend() _NOEXCEPT
-            {return       reverse_iterator(begin());}
+          reverse_iterator rend()         {return       reverse_iterator(begin());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator rend() const _NOEXCEPT
-        {return const_reverse_iterator(begin());}
+    const_reverse_iterator rend()   const {return const_reverse_iterator(begin());}
 
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cbegin() const _NOEXCEPT {return begin();}
+    const_iterator         cbegin()  const {return begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cend() const _NOEXCEPT {return end();}
+    const_iterator         cend()    const {return end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator crbegin() const _NOEXCEPT {return rbegin();}
+    const_reverse_iterator crbegin() const {return rbegin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator crend() const _NOEXCEPT {return rend();}
+    const_reverse_iterator crend()   const {return rend();}
 
     _LIBCPP_INLINE_VISIBILITY
-    bool      empty() const _NOEXCEPT {return __tree_.size() == 0;}
+    bool      empty()    const {return __tree_.size() == 0;}
     _LIBCPP_INLINE_VISIBILITY
-    size_type size() const _NOEXCEPT {return __tree_.size();}
+    size_type size()     const {return __tree_.size();}
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_size() const _NOEXCEPT {return __tree_.max_size();}
+    size_type max_size() const {return __tree_.max_size();}
 
     mapped_type& operator[](const key_type& __k);
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -863,7 +803,7 @@ public:
     const mapped_type& at(const key_type& __k) const;
 
     _LIBCPP_INLINE_VISIBILITY
-    allocator_type get_allocator() const _NOEXCEPT {return __tree_.__alloc();}
+    allocator_type get_allocator() const {return __tree_.__alloc();}
     _LIBCPP_INLINE_VISIBILITY
     key_compare    key_comp()      const {return __tree_.value_comp().key_comp();}
     _LIBCPP_INLINE_VISIBILITY
@@ -876,16 +816,16 @@ public:
         emplace() {return __tree_.__emplace_unique();}
 
     template <class _A0,
-              class = typename enable_if<is_constructible<value_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         pair<iterator, bool>
         emplace(_A0&& __a0)
-            {return __tree_.__emplace_unique(_VSTD::forward<_A0>(__a0));}
+            {return __tree_.__emplace_unique(_STD::forward<_A0>(__a0));}
 
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template <class _A0, class ..._Args,
-              class = typename enable_if<is_constructible<key_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, key_type>::value>::type>
         pair<iterator, bool>
         emplace(_A0&& __a0, _Args&& ...__args);
 
@@ -897,32 +837,32 @@ public:
         {return __tree_.__emplace_hint_unique(__p.__i_);}
 
     template <class _A0,
-              class = typename enable_if<is_constructible<value_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         iterator
         emplace_hint(const_iterator __p, _A0&& __a0)
-            {return __tree_.__emplace_hint_unique(__p.__i_, _VSTD::forward<_A0>(__a0));}
+            {return __tree_.__emplace_hint_unique(__p.__i_, _STD::forward<_A0>(__a0));}
 
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template <class _A0, class ..._Args,
-              class = typename enable_if<is_constructible<key_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, key_type>::value>::type>
         iterator
         emplace_hint(const_iterator __p, _A0&& __a0, _Args&& ...__args);
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 
     template <class _P,
-              class = typename enable_if<is_constructible<value_type, _P>::value>::type>
+              class = typename enable_if<is_convertible<_P, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         pair<iterator, bool> insert(_P&& __p)
-            {return __tree_.__insert_unique(_VSTD::forward<_P>(__p));}
+            {return __tree_.__insert_unique(_STD::forward<_P>(__p));}
 
     template <class _P,
-              class = typename enable_if<is_constructible<value_type, _P>::value>::type>
+              class = typename enable_if<is_convertible<_P, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         iterator insert(const_iterator __pos, _P&& __p)
-            {return __tree_.__insert_unique(__pos.__i_, _VSTD::forward<_P>(__p));}
+            {return __tree_.__insert_unique(__pos.__i_, _STD::forward<_P>(__p));}
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
@@ -956,12 +896,10 @@ public:
     iterator  erase(const_iterator __f, const_iterator __l)
         {return __tree_.erase(__f.__i_, __l.__i_);}
     _LIBCPP_INLINE_VISIBILITY
-    void clear() _NOEXCEPT {__tree_.clear();}
+    void clear() {__tree_.clear();}
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(map& __m)
-        _NOEXCEPT_(__is_nothrow_swappable<__base>::value)
-        {__tree_.swap(__m.__tree_);}
+    void swap(map& __m) {__tree_.swap(__m.__tree_);}
 
     _LIBCPP_INLINE_VISIBILITY
     iterator find(const key_type& __k)             {return __tree_.find(__k);}
@@ -1002,11 +940,11 @@ private:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     __node_holder __construct_node();
     template <class _A0,
-              class = typename enable_if<is_constructible<value_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, value_type>::value>::type>
         __node_holder __construct_node(_A0&& __a0);
 #ifndef _LIBCPP_HAS_NO_VARIADICS
     template <class _A0, class ..._Args,
-              class = typename enable_if<is_constructible<key_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, key_type>::value>::type>
         __node_holder __construct_node(_A0&& __a0, _Args&& ...__args);
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 #else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -1104,7 +1042,7 @@ map<_Key, _Tp, _Compare, _Allocator>::__find_equal_key(const_iterator __hint,
     else if (__tree_.value_comp().key_comp()(__hint->first, __k))  // check after
     {
         // *__hint < __k
-        const_iterator __next = _VSTD::next(__hint);
+        const_iterator __next = _STD::next(__hint);
         if (__next == end() || __tree_.value_comp().key_comp()(__k, __next->first))
         {
             // *__hint < __k < *next(__hint)
@@ -1176,14 +1114,14 @@ map<_Key, _Tp, _Compare, _Allocator>::__find_equal_key(__node_base_const_pointer
 
 template <class _Key, class _Tp, class _Compare, class _Allocator>
 map<_Key, _Tp, _Compare, _Allocator>::map(map&& __m, const allocator_type& __a)
-    : __tree_(_VSTD::move(__m.__tree_), __a)
+    : __tree_(_STD::move(__m.__tree_), __a)
 {
     if (__a != __m.get_allocator())
     {
         const_iterator __e = cend();
         while (!__m.empty())
             __tree_.__insert_unique(__e.__i_,
-                    _VSTD::move(__m.__tree_.remove(__m.begin().__i_)->__value_));
+                    _STD::move(__m.__tree_.remove(__m.begin().__i_)->__value_));
     }
 }
 
@@ -1193,9 +1131,9 @@ map<_Key, _Tp, _Compare, _Allocator>::__construct_node()
 {
     __node_allocator& __na = __tree_.__node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.first));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.first));
     __h.get_deleter().__first_constructed = true;
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.second));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.second));
     __h.get_deleter().__second_constructed = true;
     return __h;
 }
@@ -1208,7 +1146,7 @@ map<_Key, _Tp, _Compare, _Allocator>::__construct_node(_A0&& __a0)
 {
     __node_allocator& __na = __tree_.__node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_), _VSTD::forward<_A0>(__a0));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_), _STD::forward<_A0>(__a0));
     __h.get_deleter().__first_constructed = true;
     __h.get_deleter().__second_constructed = true;
     return __h;
@@ -1224,9 +1162,9 @@ map<_Key, _Tp, _Compare, _Allocator>::__construct_node(_A0&& __a0, _Args&& ...__
 {
     __node_allocator& __na = __tree_.__node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.first), _VSTD::forward<_A0>(__a0));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.first), _STD::forward<_A0>(__a0));
     __h.get_deleter().__first_constructed = true;
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.second), _VSTD::forward<_Args>(__args)...);
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.second), _STD::forward<_Args>(__args)...);
     __h.get_deleter().__second_constructed = true;
     return __h;
 }
@@ -1241,11 +1179,11 @@ map<_Key, _Tp, _Compare, _Allocator>::__construct_node(const key_type& __k)
 {
     __node_allocator& __na = __tree_.__node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.first), __k);
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.first), __k);
     __h.get_deleter().__first_constructed = true;
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.second));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.second));
     __h.get_deleter().__second_constructed = true;
-    return _VSTD::move(__h);
+    return _STD::move(__h);
 }
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -1277,7 +1215,7 @@ map<_Key, _Tp, _Compare, _Allocator>::operator[](key_type&& __k)
     __node_pointer __r = static_cast<__node_pointer>(__child);
     if (__child == nullptr)
     {
-        __node_holder __h = __construct_node(_VSTD::move(__k));
+        __node_holder __h = __construct_node(_STD::move(__k));
         __tree_.__insert_node_at(__parent, __child, __h.get());
         __r = __h.release();
     }
@@ -1316,13 +1254,13 @@ map<_Key, _Tp, _Compare, _Allocator>::at(const key_type& __k) const
 
 template <class _Key, class _Tp, class _Compare, class _Allocator>
 template <class _A0, class ..._Args,
-          class //= typename enable_if<is_constructible<_Key, _A0>::value>::type
+          class //= typename enable_if<is_convertible<_A0, _Key>::value>::type
          >
 pair<typename map<_Key, _Tp, _Compare, _Allocator>::iterator, bool>
 map<_Key, _Tp, _Compare, _Allocator>::emplace(_A0&& __a0, _Args&& ...__args)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_A0>(__a0),
-                                         _VSTD::forward<_Args>(__args)...);
+    __node_holder __h = __construct_node(_STD::forward<_A0>(__a0),
+                                         _STD::forward<_Args>(__args)...);
     pair<iterator, bool> __r = __tree_.__node_insert_unique(__h.get());
     if (__r.second)
         __h.release();
@@ -1331,14 +1269,14 @@ map<_Key, _Tp, _Compare, _Allocator>::emplace(_A0&& __a0, _Args&& ...__args)
 
 template <class _Key, class _Tp, class _Compare, class _Allocator>
 template <class _A0, class ..._Args,
-          class //= typename enable_if<is_constructible<_Key, _A0>::value>::type
+          class //= typename enable_if<is_convertible<_A0, _Key>::value>::type
          >
 typename map<_Key, _Tp, _Compare, _Allocator>::iterator
 map<_Key, _Tp, _Compare, _Allocator>::emplace_hint(const_iterator __p,
                                                    _A0&& __a0, _Args&& ...__args)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_A0>(__a0),
-                                         _VSTD::forward<_Args>(__args)...);
+    __node_holder __h = __construct_node(_STD::forward<_A0>(__a0),
+                                         _STD::forward<_Args>(__args)...);
     iterator __r = __tree_.__node_insert_unique(__p.__i_, __h.get());
     if (__r.__i_.__ptr_ == __h.get())
         __h.release();
@@ -1353,7 +1291,7 @@ bool
 operator==(const map<_Key, _Tp, _Compare, _Allocator>& __x,
            const map<_Key, _Tp, _Compare, _Allocator>& __y)
 {
-    return __x.size() == __y.size() && _VSTD::equal(__x.begin(), __x.end(), __y.begin());
+    return __x.size() == __y.size() && _STD::equal(__x.begin(), __x.end(), __y.begin());
 }
 
 template <class _Key, class _Tp, class _Compare, class _Allocator>
@@ -1362,7 +1300,7 @@ bool
 operator< (const map<_Key, _Tp, _Compare, _Allocator>& __x,
            const map<_Key, _Tp, _Compare, _Allocator>& __y)
 {
-    return _VSTD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
+    return _STD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
 }
 
 template <class _Key, class _Tp, class _Compare, class _Allocator>
@@ -1406,7 +1344,6 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(map<_Key, _Tp, _Compare, _Allocator>& __x,
      map<_Key, _Tp, _Compare, _Allocator>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }
@@ -1463,15 +1400,11 @@ public:
     typedef typename __alloc_traits::difference_type       difference_type;
     typedef __map_iterator<typename __base::iterator>      iterator;
     typedef __map_const_iterator<typename __base::const_iterator> const_iterator;
-    typedef _VSTD::reverse_iterator<iterator>               reverse_iterator;
-    typedef _VSTD::reverse_iterator<const_iterator>         const_reverse_iterator;
+    typedef _STD::reverse_iterator<iterator>               reverse_iterator;
+    typedef _STD::reverse_iterator<const_iterator>         const_reverse_iterator;
 
     _LIBCPP_INLINE_VISIBILITY
     explicit multimap(const key_compare& __comp = key_compare())
-        _NOEXCEPT_(
-            is_nothrow_default_constructible<allocator_type>::value &&
-            is_nothrow_default_constructible<key_compare>::value &&
-            is_nothrow_copy_constructible<key_compare>::value)
         : __tree_(__vc(__comp)) {}
 
     _LIBCPP_INLINE_VISIBILITY
@@ -1504,19 +1437,11 @@ public:
             insert(__m.begin(), __m.end());
         }
 
-    _LIBCPP_INLINE_VISIBILITY
-    multimap& operator=(const multimap& __m)
-        {
-            __tree_ = __m.__tree_;
-            return *this;
-        }
-
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     _LIBCPP_INLINE_VISIBILITY
     multimap(multimap&& __m)
-        _NOEXCEPT_(is_nothrow_move_constructible<__base>::value)
-        : __tree_(_VSTD::move(__m.__tree_))
+        : __tree_(_STD::move(__m.__tree_))
         {
         }
 
@@ -1538,9 +1463,8 @@ public:
 
     _LIBCPP_INLINE_VISIBILITY
     multimap& operator=(multimap&& __m)
-        _NOEXCEPT_(is_nothrow_move_assignable<__base>::value)
         {
-            __tree_ = _VSTD::move(__m.__tree_);
+            __tree_ = _STD::move(__m.__tree_);
             return *this;
         }
 
@@ -1566,48 +1490,45 @@ public:
         }
 
     _LIBCPP_INLINE_VISIBILITY
-          iterator begin() _NOEXCEPT {return __tree_.begin();}
+          iterator begin()       {return __tree_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator begin() const _NOEXCEPT {return __tree_.begin();}
+    const_iterator begin() const {return __tree_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-          iterator end() _NOEXCEPT {return __tree_.end();}
+          iterator end()         {return __tree_.end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator end() const _NOEXCEPT {return __tree_.end();}
+    const_iterator end()   const {return __tree_.end();}
 
     _LIBCPP_INLINE_VISIBILITY
-          reverse_iterator rbegin() _NOEXCEPT {return reverse_iterator(end());}
+          reverse_iterator rbegin()       {return       reverse_iterator(end());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator rbegin() const _NOEXCEPT
-        {return const_reverse_iterator(end());}
+    const_reverse_iterator rbegin() const {return const_reverse_iterator(end());}
     _LIBCPP_INLINE_VISIBILITY
-          reverse_iterator rend() _NOEXCEPT {return reverse_iterator(begin());}
+          reverse_iterator rend()         {return       reverse_iterator(begin());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator rend() const _NOEXCEPT
-        {return const_reverse_iterator(begin());}
+    const_reverse_iterator rend()   const {return const_reverse_iterator(begin());}
 
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cbegin()  const _NOEXCEPT {return begin();}
+    const_iterator         cbegin()  const {return begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cend() const _NOEXCEPT {return end();}
+    const_iterator         cend()    const {return end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator crbegin() const _NOEXCEPT {return rbegin();}
+    const_reverse_iterator crbegin() const {return rbegin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator crend() const _NOEXCEPT {return rend();}
+    const_reverse_iterator crend()   const {return rend();}
 
     _LIBCPP_INLINE_VISIBILITY
-    bool empty() const _NOEXCEPT {return __tree_.size() == 0;}
+    bool      empty()    const {return __tree_.size() == 0;}
     _LIBCPP_INLINE_VISIBILITY
-    size_type size() const _NOEXCEPT {return __tree_.size();}
+    size_type size()     const {return __tree_.size();}
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_size() const _NOEXCEPT {return __tree_.max_size();}
+    size_type max_size() const {return __tree_.max_size();}
 
     _LIBCPP_INLINE_VISIBILITY
-    allocator_type get_allocator() const _NOEXCEPT {return __tree_.__alloc();}
+    allocator_type get_allocator() const {return __tree_.__alloc();}
     _LIBCPP_INLINE_VISIBILITY
-    key_compare    key_comp() const {return __tree_.value_comp().key_comp();}
+    key_compare    key_comp()      const {return __tree_.value_comp().key_comp();}
     _LIBCPP_INLINE_VISIBILITY
-    value_compare  value_comp() const
-        {return value_compare(__tree_.value_comp().key_comp());}
+    value_compare  value_comp()    const {return value_compare(__tree_.value_comp().key_comp());}
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
@@ -1615,16 +1536,16 @@ public:
     iterator emplace() {return __tree_.__emplace_multi();}
 
     template <class _A0,
-              class = typename enable_if<is_constructible<value_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         iterator
         emplace(_A0&& __a0)
-            {return __tree_.__emplace_multi(_VSTD::forward<_A0>(__a0));}
+            {return __tree_.__emplace_multi(_STD::forward<_A0>(__a0));}
 
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template <class _A0, class ..._Args,
-              class = typename enable_if<is_constructible<key_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, key_type>::value>::type>
         iterator
         emplace(_A0&& __a0, _Args&& ...__args);
 
@@ -1635,32 +1556,32 @@ public:
         {return __tree_.__emplace_hint_multi(__p.__i_);}
 
     template <class _A0,
-              class = typename enable_if<is_constructible<value_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         iterator
         emplace_hint(const_iterator __p, _A0&& __a0)
-            {return __tree_.__emplace_hint_multi(__p.__i_, _VSTD::forward<_A0>(__a0));}
+            {return __tree_.__emplace_hint_multi(__p.__i_, _STD::forward<_A0>(__a0));}
 
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template <class _A0, class ..._Args,
-              class = typename enable_if<is_constructible<key_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, key_type>::value>::type>
         iterator
         emplace_hint(const_iterator __p, _A0&& __a0, _Args&& ...__args);
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 
     template <class _P,
-              class = typename enable_if<is_constructible<value_type, _P>::value>::type>
+              class = typename enable_if<is_convertible<_P, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         iterator insert(_P&& __p)
-            {return __tree_.__insert_multi(_VSTD::forward<_P>(__p));}
+            {return __tree_.__insert_multi(_STD::forward<_P>(__p));}
 
     template <class _P,
-              class = typename enable_if<is_constructible<value_type, _P>::value>::type>
+              class = typename enable_if<is_convertible<_P, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         iterator insert(const_iterator __pos, _P&& __p)
-            {return __tree_.__insert_multi(__pos.__i_, _VSTD::forward<_P>(__p));}
+            {return __tree_.__insert_multi(__pos.__i_, _STD::forward<_P>(__p));}
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
@@ -1694,9 +1615,7 @@ public:
     void clear() {__tree_.clear();}
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(multimap& __m)
-        _NOEXCEPT_(__is_nothrow_swappable<__base>::value)
-        {__tree_.swap(__m.__tree_);}
+    void swap(multimap& __m) {__tree_.swap(__m.__tree_);}
 
     _LIBCPP_INLINE_VISIBILITY
     iterator find(const key_type& __k)             {return __tree_.find(__k);}
@@ -1735,11 +1654,11 @@ private:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     __node_holder __construct_node();
     template <class _A0,
-              class = typename enable_if<is_constructible<value_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, value_type>::value>::type>
         __node_holder __construct_node(_A0&& __a0);
 #ifndef _LIBCPP_HAS_NO_VARIADICS
     template <class _A0, class ..._Args,
-              class = typename enable_if<is_constructible<key_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, key_type>::value>::type>
         __node_holder __construct_node(_A0&& __a0, _Args&& ...__args);
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -1749,14 +1668,14 @@ private:
 
 template <class _Key, class _Tp, class _Compare, class _Allocator>
 multimap<_Key, _Tp, _Compare, _Allocator>::multimap(multimap&& __m, const allocator_type& __a)
-    : __tree_(_VSTD::move(__m.__tree_), __a)
+    : __tree_(_STD::move(__m.__tree_), __a)
 {
     if (__a != __m.get_allocator())
     {
         const_iterator __e = cend();
         while (!__m.empty())
             __tree_.__insert_multi(__e.__i_,
-                    _VSTD::move(__m.__tree_.remove(__m.begin().__i_)->__value_));
+                    _STD::move(__m.__tree_.remove(__m.begin().__i_)->__value_));
     }
 }
 
@@ -1766,23 +1685,23 @@ multimap<_Key, _Tp, _Compare, _Allocator>::__construct_node()
 {
     __node_allocator& __na = __tree_.__node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.first));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.first));
     __h.get_deleter().__first_constructed = true;
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.second));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.second));
     __h.get_deleter().__second_constructed = true;
     return __h;
 }
 
 template <class _Key, class _Tp, class _Compare, class _Allocator>
 template <class _A0,
-          class // = typename enable_if<is_constructible<value_type, _A0>::value>::type
+          class // = typename enable_if<is_convertible<_A0, value_type>::value>::type
          >
 typename multimap<_Key, _Tp, _Compare, _Allocator>::__node_holder
 multimap<_Key, _Tp, _Compare, _Allocator>::__construct_node(_A0&& __a0)
 {
     __node_allocator& __na = __tree_.__node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_), _VSTD::forward<_A0>(__a0));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_), _STD::forward<_A0>(__a0));
     __h.get_deleter().__first_constructed = true;
     __h.get_deleter().__second_constructed = true;
     return __h;
@@ -1792,16 +1711,16 @@ multimap<_Key, _Tp, _Compare, _Allocator>::__construct_node(_A0&& __a0)
 
 template <class _Key, class _Tp, class _Compare, class _Allocator>
 template <class _A0, class ..._Args,
-          class // = typename enable_if<is_constructible<key_type, _A0>::value>::type
+          class // = typename enable_if<is_convertible<_A0, key_type>::value>::type
          >
 typename multimap<_Key, _Tp, _Compare, _Allocator>::__node_holder
 multimap<_Key, _Tp, _Compare, _Allocator>::__construct_node(_A0&& __a0, _Args&& ...__args)
 {
     __node_allocator& __na = __tree_.__node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.first), _VSTD::forward<_A0>(__a0));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.first), _STD::forward<_A0>(__a0));
     __h.get_deleter().__first_constructed = true;
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.second), _VSTD::forward<_Args>(__args)...);
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.second), _STD::forward<_Args>(__args)...);
     __h.get_deleter().__second_constructed = true;
     return __h;
 }
@@ -1813,13 +1732,13 @@ multimap<_Key, _Tp, _Compare, _Allocator>::__construct_node(_A0&& __a0, _Args&&
 
 template <class _Key, class _Tp, class _Compare, class _Allocator>
 template <class _A0, class ..._Args,
-          class //= typename enable_if<is_constructible<_Key, _A0>::value>::type
+          class //= typename enable_if<is_convertible<_A0, _Key>::value>::type
          >
 typename multimap<_Key, _Tp, _Compare, _Allocator>::iterator
 multimap<_Key, _Tp, _Compare, _Allocator>::emplace(_A0&& __a0, _Args&& ...__args)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_A0>(__a0),
-                                         _VSTD::forward<_Args>(__args)...);
+    __node_holder __h = __construct_node(_STD::forward<_A0>(__a0),
+                                         _STD::forward<_Args>(__args)...);
     iterator __r = __tree_.__node_insert_multi(__h.get());
     __h.release();
     return __r;
@@ -1827,15 +1746,15 @@ multimap<_Key, _Tp, _Compare, _Allocator>::emplace(_A0&& __a0, _Args&& ...__args
 
 template <class _Key, class _Tp, class _Compare, class _Allocator>
 template <class _A0, class ..._Args,
-          class //= typename enable_if<is_constructible<_Key, _A0>::value>::type
+          class //= typename enable_if<is_convertible<_A0, _Key>::value>::type
          >
 typename multimap<_Key, _Tp, _Compare, _Allocator>::iterator
 multimap<_Key, _Tp, _Compare, _Allocator>::emplace_hint(const_iterator __p,
                                                         _A0&& __a0,
                                                         _Args&& ...__args)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_A0>(__a0),
-                                         _VSTD::forward<_Args>(__args)...);
+    __node_holder __h = __construct_node(_STD::forward<_A0>(__a0),
+                                         _STD::forward<_Args>(__args)...);
     iterator __r = __tree_.__node_insert_multi(__p.__i_, __h.get());
     __h.release();
     return __r;
@@ -1849,7 +1768,7 @@ bool
 operator==(const multimap<_Key, _Tp, _Compare, _Allocator>& __x,
            const multimap<_Key, _Tp, _Compare, _Allocator>& __y)
 {
-    return __x.size() == __y.size() && _VSTD::equal(__x.begin(), __x.end(), __y.begin());
+    return __x.size() == __y.size() && _STD::equal(__x.begin(), __x.end(), __y.begin());
 }
 
 template <class _Key, class _Tp, class _Compare, class _Allocator>
@@ -1858,7 +1777,7 @@ bool
 operator< (const multimap<_Key, _Tp, _Compare, _Allocator>& __x,
            const multimap<_Key, _Tp, _Compare, _Allocator>& __y)
 {
-    return _VSTD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
+    return _STD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
 }
 
 template <class _Key, class _Tp, class _Compare, class _Allocator>
@@ -1902,7 +1821,6 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(multimap<_Key, _Tp, _Compare, _Allocator>& __x,
      multimap<_Key, _Tp, _Compare, _Allocator>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }

include/mutex

@@ -175,9 +175,6 @@ template<class Callable, class ...Args>
 #include <__config>
 #include <__mutex_base>
 #include <functional>
-#ifndef _LIBCPP_HAS_NO_VARIADICS
-#include <tuple>
-#endif
 
 #pragma GCC system_header
 
@@ -458,8 +455,6 @@ private:
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 };
 
-#ifndef _LIBCPP_HAS_NO_VARIADICS
-
 template <class _F>
 class __call_once_param
 {
@@ -467,38 +462,7 @@ class __call_once_param
 public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
-    explicit __call_once_param(_F&& __f) : __f_(_VSTD::move(__f)) {}
-#else
-    _LIBCPP_INLINE_VISIBILITY
-    explicit __call_once_param(const _F& __f) : __f_(__f) {}
-#endif
-
-    _LIBCPP_INLINE_VISIBILITY
-    void operator()()
-    {
-        typedef typename __make_tuple_indices<tuple_size<_F>::value, 1>::type _Index;
-        __execute(_Index());
-    }
-
-private:
-    template <size_t ..._Indices>
-    _LIBCPP_INLINE_VISIBILITY
-    void __execute(__tuple_indices<_Indices...>)
-    {
-        __invoke(_VSTD::move(_VSTD::get<0>(__f_)), _VSTD::move(_VSTD::get<_Indices>(__f_))...);
-    }
-};
-
-#else
-
-template <class _F>
-class __call_once_param
-{
-    _F __f_;
-public:
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
-    explicit __call_once_param(_F&& __f) : __f_(_VSTD::move(__f)) {}
+    explicit __call_once_param(_F&& __f) : __f_(_STD::move(__f)) {}
 #else
     _LIBCPP_INLINE_VISIBILITY
     explicit __call_once_param(const _F& __f) : __f_(__f) {}
@@ -511,8 +475,6 @@ public:
     }
 };
 
-#endif
-
 template <class _F>
 void
 __call_once_proxy(void* __vp)
@@ -532,9 +494,10 @@ call_once(once_flag& __flag, _Callable&& __func, _Args&&... __args)
 {
     if (__builtin_expect(__flag.__state_ , ~0ul) != ~0ul)
     {
-        typedef tuple<typename decay<_Callable>::type, typename decay<_Args>::type...> _G;
-        __call_once_param<_G> __p(_G(__decay_copy(_VSTD::forward<_Callable>(__func)),
-                                __decay_copy(_VSTD::forward<_Args>(__args))...));
+        typedef decltype(std::bind(std::forward<_Callable>(__func),
+                         std::forward<_Args>(__args)...)) _G;
+        __call_once_param<_G> __p(std::bind(std::forward<_Callable>(__func),
+                                 std::forward<_Args>(__args)...));
         __call_once(__flag.__state_, &__p, &__call_once_proxy<_G>);
     }
 }

include/new

@@ -21,34 +21,35 @@ class bad_alloc
     : public exception
 {
 public:
-    bad_alloc() noexcept;
-    bad_alloc(const bad_alloc&) noexcept;
-    bad_alloc& operator=(const bad_alloc&) noexcept;
-    virtual const char* what() const noexcept;
+    bad_alloc() throw();
+    bad_alloc(const bad_alloc&) throw();
+    bad_alloc& operator=(const bad_alloc&) throw();
+    virtual ~bad_alloc() throw();
+    virtual const char* what() const throw();
 };
 
 struct nothrow_t {};
 extern const nothrow_t nothrow;
 typedef void (*new_handler)();
-new_handler set_new_handler(new_handler new_p) noexcept;
-new_handler get_new_handler() noexcept;
+new_handler set_new_handler(new_handler new_p) throw();
+new_handler get_new_handler() throw();
 
 }  // std
 
-void* operator new(std::size_t size);                                   // replaceable
-void* operator new(std::size_t size, const std::nothrow_t&) noexcept;   // replaceable
-void  operator delete(void* ptr) noexcept;                              // replaceable
-void  operator delete(void* ptr, const std::nothrow_t&) noexcept;       // replaceable
+void* operator new(std::size_t size) throw(std::bad_alloc);            // replaceable
+void* operator new(std::size_t size, const std::nothrow_t&) throw();   // replaceable
+void  operator delete(void* ptr) throw();                              // replaceable
+void  operator delete(void* ptr, const std::nothrow_t&) throw();       // replaceable
 
-void* operator new[](std::size_t size);                                 // replaceable
-void* operator new[](std::size_t size, const std::nothrow_t&) noexcept; // replaceable
-void  operator delete[](void* ptr) noexcept;                            // replaceable
-void  operator delete[](void* ptr, const std::nothrow_t&) noexcept;     // replaceable
+void* operator new[](std::size_t size) throw(std::bad_alloc);          // replaceable
+void* operator new[](std::size_t size, const std::nothrow_t&) throw(); // replaceable
+void  operator delete[](void* ptr) throw();                            // replaceable
+void  operator delete[](void* ptr, const std::nothrow_t&) throw();     // replaceable
 
-void* operator new  (std::size_t size, void* ptr) noexcept;
-void* operator new[](std::size_t size, void* ptr) noexcept;
-void  operator delete  (void* ptr, void*) noexcept;
-void  operator delete[](void* ptr, void*) noexcept;
+void* operator new  (std::size_t size, void* ptr) throw();
+void* operator new[](std::size_t size, void* ptr) throw();
+void  operator delete  (void* ptr, void*) throw();
+void  operator delete[](void* ptr, void*) throw();
 
 */
 
@@ -65,18 +66,18 @@ class _LIBCPP_EXCEPTION_ABI bad_alloc
     : public exception
 {
 public:
-    bad_alloc() _NOEXCEPT;
-    virtual ~bad_alloc() _NOEXCEPT;
-    virtual const char* what() const _NOEXCEPT;
+    bad_alloc() throw();
+    virtual ~bad_alloc() throw();
+    virtual const char* what() const throw();
 };
 
 class _LIBCPP_EXCEPTION_ABI bad_array_new_length
     : public bad_alloc
 {
 public:
-    bad_array_new_length() _NOEXCEPT;
-    virtual ~bad_array_new_length() _NOEXCEPT;
-    virtual const char* what() const _NOEXCEPT;
+    bad_array_new_length() throw();
+    virtual ~bad_array_new_length() throw();
+    virtual const char* what() const throw();
 };
 
 void __throw_bad_alloc();  // not in C++ spec
@@ -84,32 +85,24 @@ void __throw_bad_alloc();  // not in C++ spec
 struct _LIBCPP_VISIBLE nothrow_t {};
 extern _LIBCPP_VISIBLE const nothrow_t nothrow;
 typedef void (*new_handler)();
-_LIBCPP_VISIBLE new_handler set_new_handler(new_handler) _NOEXCEPT;
-_LIBCPP_VISIBLE new_handler get_new_handler() _NOEXCEPT;
+_LIBCPP_VISIBLE new_handler set_new_handler(new_handler) throw();
+_LIBCPP_VISIBLE new_handler get_new_handler() throw();
 
 }  // std
 
-_LIBCPP_VISIBLE void* operator new(std::size_t __sz)
-#if !__has_feature(cxx_noexcept)
-    throw(std::bad_alloc)
-#endif
-;
-_LIBCPP_VISIBLE void* operator new(std::size_t __sz, const std::nothrow_t&) _NOEXCEPT;
-_LIBCPP_VISIBLE void  operator delete(void* __p) _NOEXCEPT;
-_LIBCPP_VISIBLE void  operator delete(void* __p, const std::nothrow_t&) _NOEXCEPT;
+_LIBCPP_VISIBLE void* operator new(std::size_t) throw(std::bad_alloc);
+_LIBCPP_VISIBLE void* operator new(std::size_t, const std::nothrow_t&) throw();
+_LIBCPP_VISIBLE void  operator delete(void*) throw();
+_LIBCPP_VISIBLE void  operator delete(void*, const std::nothrow_t&) throw();
 
-_LIBCPP_VISIBLE void* operator new[](std::size_t __sz)
-#if !__has_feature(cxx_noexcept)
-    throw(std::bad_alloc)
-#endif
-;
-_LIBCPP_VISIBLE void* operator new[](std::size_t __sz, const std::nothrow_t&) _NOEXCEPT;
-_LIBCPP_VISIBLE void  operator delete[](void* __p) _NOEXCEPT;
-_LIBCPP_VISIBLE void  operator delete[](void* __p, const std::nothrow_t&) _NOEXCEPT;
+_LIBCPP_VISIBLE void* operator new[](std::size_t) throw(std::bad_alloc);
+_LIBCPP_VISIBLE void* operator new[](std::size_t, const std::nothrow_t&) throw();
+_LIBCPP_VISIBLE void  operator delete[](void*) throw();
+_LIBCPP_VISIBLE void  operator delete[](void*, const std::nothrow_t&) throw();
 
-_LIBCPP_INLINE_VISIBILITY inline void* operator new  (std::size_t, void* __p) _NOEXCEPT {return __p;}
-_LIBCPP_INLINE_VISIBILITY inline void* operator new[](std::size_t, void* __p) _NOEXCEPT {return __p;}
-_LIBCPP_INLINE_VISIBILITY inline void  operator delete  (void*, void*) _NOEXCEPT {}
-_LIBCPP_INLINE_VISIBILITY inline void  operator delete[](void*, void*) _NOEXCEPT {}
+_LIBCPP_INLINE_VISIBILITY inline void* operator new  (std::size_t, void* __p) throw() {return __p;}
+_LIBCPP_INLINE_VISIBILITY inline void* operator new[](std::size_t, void* __p) throw() {return __p;}
+_LIBCPP_INLINE_VISIBILITY inline void  operator delete  (void*, void*) throw() {}
+_LIBCPP_INLINE_VISIBILITY inline void  operator delete[](void*, void*) throw() {}
 
 #endif  // _LIBCPP_NEW

include/ostream

@@ -154,13 +154,11 @@ public:
     virtual ~basic_ostream();
 protected:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
     basic_ostream(basic_ostream&& __rhs);
 #endif
 
     // 27.7.2.3 Assign/swap
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
     basic_ostream& operator=(basic_ostream&& __rhs);
 #endif
     void swap(basic_ostream& __rhs);
@@ -1278,7 +1276,7 @@ operator<<(basic_ostream<_CharT, _Traits>& __os, shared_ptr<_Y> const& __p)
 
 template <class _CharT, class _Traits, size_t _Size>
 basic_ostream<_CharT, _Traits>&
-operator<<(basic_ostream<_CharT, _Traits>& __os, const bitset<_Size>& __x)
+operator<<(basic_ostream<_CharT, _Traits>& __os, bitset<_Size>& __x)
 {
     return __os << __x.template to_string<_CharT, _Traits>
                         (use_facet<ctype<_CharT> >(__os.getloc()).widen('0'),

include/queue

@@ -31,28 +31,21 @@ protected:
     container_type c;
 
 public:
-    queue() = default;
-    ~queue() = default;
-
-    queue(const queue& q) = default;
-    queue(queue&& q) = default;
-
-    queue& operator=(const queue& q) = default;
-    queue& operator=(queue&& q) = default;
-
+    queue();
     explicit queue(const container_type& c);
-    explicit queue(container_type&& c)
+    explicit queue(container_type&& c);
+    queue(queue&& q);
     template <class Alloc>
         explicit queue(const Alloc& a);
     template <class Alloc>
         queue(const container_type& c, const Alloc& a);
     template <class Alloc>
         queue(container_type&& c, const Alloc& a);
-    template <class Alloc>
-        queue(const queue& q, const Alloc& a);
     template <class Alloc>
         queue(queue&& q, const Alloc& a);
 
+    queue& operator=(queue&& q);
+
     bool      empty() const;
     size_type size() const;
 
@@ -66,7 +59,7 @@ public:
     template <class... Args> void emplace(Args&&... args);
     void pop();
 
-    void swap(queue& q) noexcept(noexcept(swap(c, q.c)));
+    void swap(queue& q);
 };
 
 template <class T, class Container>
@@ -88,8 +81,7 @@ template <class T, class Container>
   bool operator<=(const queue<T, Container>& x,const queue<T, Container>& y);
 
 template <class T, class Container>
-  void swap(queue<T, Container>& x, queue<T, Container>& y)
-  noexcept(noexcept(x.swap(y)));
+  void swap(queue<T, Container>& x, queue<T, Container>& y);
 
 template <class T, class Container = vector<T>,
           class Compare = less<typename Container::value_type>>
@@ -107,16 +99,7 @@ protected:
     Compare comp;
 
 public:
-    priority_queue() = default;
-    ~priority_queue() = default;
-
-    priority_queue(const priority_queue& q) = default;
-    priority_queue(priority_queue&& q) = default;
-
-    priority_queue& operator=(const priority_queue& q) = default;
-    priority_queue& operator=(priority_queue&& q) = default;
-
-    explicit priority_queue(const Compare& comp);
+    explicit priority_queue(const Compare& comp = Compare());
     priority_queue(const Compare& comp, const container_type& c);
     explicit priority_queue(const Compare& comp, container_type&& c);
     template <class InputIterator>
@@ -128,6 +111,8 @@ public:
     template <class InputIterator>
         priority_queue(InputIterator first, InputIterator last,
                        const Compare& comp, container_type&& c);
+    priority_queue(priority_queue&& q);
+    priority_queue& operator=(priority_queue&& q);
     template <class Alloc>
         explicit priority_queue(const Alloc& a);
     template <class Alloc>
@@ -138,8 +123,6 @@ public:
     template <class Alloc>
         priority_queue(const Compare& comp, container_type&& c,
                        const Alloc& a);
-    template <class Alloc>
-        priority_queue(const priority_queue& q, const Alloc& a);
     template <class Alloc>
         priority_queue(priority_queue&& q, const Alloc& a);
 
@@ -152,14 +135,12 @@ public:
     template <class... Args> void emplace(Args&&... args);
     void pop();
 
-    void swap(priority_queue& q)
-        noexcept(noexcept(swap(c, q.c)) && noexcept(swap(comp.q.comp)));
+    void swap(priority_queue& q);
 };
 
 template <class T, class Container, class Compare>
   void swap(priority_queue<T, Container, Compare>& x,
-            priority_queue<T, Container, Compare>& y)
-            noexcept(noexcept(x.swap(y)));
+            priority_queue<T, Container, Compare>& y);
 
 }  // std
 
@@ -200,35 +181,14 @@ protected:
 
 public:
     _LIBCPP_INLINE_VISIBILITY
-    queue()
-        _NOEXCEPT_(is_nothrow_default_constructible<container_type>::value)
-        : c() {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    queue(const queue& __q) : c(__q.c) {}
-
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
-    queue(queue&& __q)
-        _NOEXCEPT_(is_nothrow_move_constructible<container_type>::value)
-        : c(_VSTD::move(__q.c)) {}
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
-    _LIBCPP_INLINE_VISIBILITY
-    queue& operator=(const queue& __q) {c = __q.c; return *this;}
-
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
-    queue& operator=(queue&& __q)
-        _NOEXCEPT_(is_nothrow_move_assignable<container_type>::value)
-        {c = _VSTD::move(__q.c); return *this;}
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
+    queue() : c() {}
     _LIBCPP_INLINE_VISIBILITY
     explicit queue(const container_type& __c)  : c(__c) {}
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
-    explicit queue(container_type&& __c) : c(_VSTD::move(__c)) {}
+    explicit queue(container_type&& __c) : c(_STD::move(__c)) {}
+    _LIBCPP_INLINE_VISIBILITY
+    queue(queue&& __q) : c(_STD::move(__q.c)) {}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     template <class _Alloc>
         _LIBCPP_INLINE_VISIBILITY
@@ -254,14 +214,20 @@ public:
         queue(container_type&& __c, const _Alloc& __a,
                        typename enable_if<uses_allocator<container_type,
                                                          _Alloc>::value>::type* = 0)
-            : c(_VSTD::move(__c), __a) {}
+            : c(_STD::move(__c), __a) {}
     template <class _Alloc>
         _LIBCPP_INLINE_VISIBILITY
         queue(queue&& __q, const _Alloc& __a,
                        typename enable_if<uses_allocator<container_type,
                                                          _Alloc>::value>::type* = 0)
-            : c(_VSTD::move(__q.c), __a) {}
+            : c(_STD::move(__q.c), __a) {}
 
+    _LIBCPP_INLINE_VISIBILITY
+    queue& operator=(queue&& __q)
+    {
+        c = _STD::move(__q.c);
+        return *this;
+    }
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     _LIBCPP_INLINE_VISIBILITY
@@ -282,12 +248,12 @@ public:
     void push(const value_type& __v) {c.push_back(__v);}
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
-    void push(value_type&& __v)      {c.push_back(_VSTD::move(__v));}
+    void push(value_type&& __v)      {c.push_back(_STD::move(__v));}
 #ifndef _LIBCPP_HAS_NO_VARIADICS
     template <class... _Args>
         _LIBCPP_INLINE_VISIBILITY
         void emplace(_Args&&... __args)
-            {c.emplace_back(_VSTD::forward<_Args>(__args)...);}
+            {c.emplace_back(_STD::forward<_Args>(__args)...);}
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
@@ -295,9 +261,8 @@ public:
 
     _LIBCPP_INLINE_VISIBILITY
     void swap(queue& __q)
-        _NOEXCEPT_(__is_nothrow_swappable<container_type>::value)
     {
-        using _VSTD::swap;
+        using _STD::swap;
         swap(c, __q.c);
     }
 
@@ -366,7 +331,6 @@ template <class _Tp, class _Container>
 inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(queue<_Tp, _Container>& __x, queue<_Tp, _Container>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }
@@ -395,36 +359,7 @@ protected:
 
 public:
     _LIBCPP_INLINE_VISIBILITY
-    priority_queue()
-        _NOEXCEPT_(is_nothrow_default_constructible<container_type>::value &&
-                   is_nothrow_default_constructible<value_compare>::value)
-        : c(), comp() {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    priority_queue(const priority_queue& __q) : c(__q.c), comp(__q.comp) {}
-
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
-    priority_queue(priority_queue&& __q)
-        _NOEXCEPT_(is_nothrow_move_constructible<container_type>::value &&
-                   is_nothrow_move_constructible<value_compare>::value)
-        : c(_VSTD::move(__q.c)), comp(_VSTD::move(__q.comp)) {}
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
-    _LIBCPP_INLINE_VISIBILITY
-    priority_queue& operator=(const priority_queue& __q)
-        {c = __q.c; comp = __q.comp; return *this;}
-
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
-    priority_queue& operator=(priority_queue&& __q)
-        _NOEXCEPT_(is_nothrow_move_assignable<container_type>::value &&
-                   is_nothrow_move_assignable<value_compare>::value)
-        {c = _VSTD::move(__q.c); comp = _VSTD::move(__q.comp); return *this;}
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
-    _LIBCPP_INLINE_VISIBILITY
-    explicit priority_queue(const value_compare& __comp)
+    explicit priority_queue(const value_compare& __comp = value_compare())
         : c(), comp(__comp) {}
     priority_queue(const value_compare& __comp, const container_type& __c);
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -440,6 +375,8 @@ public:
     template <class _InputIter>
         priority_queue(_InputIter __f, _InputIter __l,
                        const value_compare& __comp, container_type&& __c);
+    priority_queue(priority_queue&& __q);
+    priority_queue& operator=(priority_queue&& __q);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     template <class _Alloc>
         explicit priority_queue(const _Alloc& __a,
@@ -486,9 +423,7 @@ public:
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     void pop();
 
-    void swap(priority_queue& __q)
-        _NOEXCEPT_(__is_nothrow_swappable<container_type>::value &&
-                   __is_nothrow_swappable<value_compare>::value);
+    void swap(priority_queue& __q);
 };
 
 template <class _Tp, class _Container, class _Compare>
@@ -498,7 +433,7 @@ priority_queue<_Tp, _Container, _Compare>::priority_queue(const _Compare& __comp
     : c(__c),
       comp(__comp)
 {
-    _VSTD::make_heap(c.begin(), c.end(), comp);
+    _STD::make_heap(c.begin(), c.end(), comp);
 }
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -507,10 +442,10 @@ template <class _Tp, class _Container, class _Compare>
 inline _LIBCPP_INLINE_VISIBILITY
 priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& __comp,
                                                           container_type&& __c)
-    : c(_VSTD::move(__c)),
+    : c(_STD::move(__c)),
       comp(__comp)
 {
-    _VSTD::make_heap(c.begin(), c.end(), comp);
+    _STD::make_heap(c.begin(), c.end(), comp);
 }
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -523,7 +458,7 @@ priority_queue<_Tp, _Container, _Compare>::priority_queue(_InputIter __f, _Input
     : c(__f, __l),
       comp(__comp)
 {
-    _VSTD::make_heap(c.begin(), c.end(), comp);
+    _STD::make_heap(c.begin(), c.end(), comp);
 }
 
 template <class _Tp, class _Container, class _Compare>
@@ -536,7 +471,7 @@ priority_queue<_Tp, _Container, _Compare>::priority_queue(_InputIter __f, _Input
       comp(__comp)
 {
     c.insert(c.end(), __f, __l);
-    _VSTD::make_heap(c.begin(), c.end(), comp);
+    _STD::make_heap(c.begin(), c.end(), comp);
 }
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -547,11 +482,28 @@ inline _LIBCPP_INLINE_VISIBILITY
 priority_queue<_Tp, _Container, _Compare>::priority_queue(_InputIter __f, _InputIter __l,
                                                           const value_compare& __comp,
                                                           container_type&& __c)
-    : c(_VSTD::move(__c)),
+    : c(_STD::move(__c)),
       comp(__comp)
 {
     c.insert(c.end(), __f, __l);
-    _VSTD::make_heap(c.begin(), c.end(), comp);
+    _STD::make_heap(c.begin(), c.end(), comp);
+}
+
+template <class _Tp, class _Container, class _Compare>
+inline _LIBCPP_INLINE_VISIBILITY
+priority_queue<_Tp, _Container, _Compare>::priority_queue(priority_queue&& __q)
+    : c(_STD::move(__q.c)),
+      comp(_STD::move(__q.comp))
+{
+}
+
+template <class _Tp, class _Container, class _Compare>
+priority_queue<_Tp, _Container, _Compare>&
+priority_queue<_Tp, _Container, _Compare>::operator=(priority_queue&& __q)
+{
+    c = _STD::move(__q.c);
+    comp = _STD::move(__q.comp);
+    return *this;
 }
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -589,7 +541,7 @@ priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& _
     : c(__c, __a),
       comp(__comp)
 {
-    _VSTD::make_heap(c.begin(), c.end(), comp);
+    _STD::make_heap(c.begin(), c.end(), comp);
 }
 
 template <class _Tp, class _Container, class _Compare>
@@ -602,7 +554,7 @@ priority_queue<_Tp, _Container, _Compare>::priority_queue(const priority_queue&
     : c(__q.c, __a),
       comp(__q.comp)
 {
-    _VSTD::make_heap(c.begin(), c.end(), comp);
+    _STD::make_heap(c.begin(), c.end(), comp);
 }
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -615,10 +567,10 @@ priority_queue<_Tp, _Container, _Compare>::priority_queue(const value_compare& _
                                                           const _Alloc& __a,
                        typename enable_if<uses_allocator<container_type,
                                                          _Alloc>::value>::type*)
-    : c(_VSTD::move(__c), __a),
+    : c(_STD::move(__c), __a),
       comp(__comp)
 {
-    _VSTD::make_heap(c.begin(), c.end(), comp);
+    _STD::make_heap(c.begin(), c.end(), comp);
 }
 
 template <class _Tp, class _Container, class _Compare>
@@ -628,10 +580,10 @@ priority_queue<_Tp, _Container, _Compare>::priority_queue(priority_queue&& __q,
                                                           const _Alloc& __a,
                        typename enable_if<uses_allocator<container_type,
                                                          _Alloc>::value>::type*)
-    : c(_VSTD::move(__q.c), __a),
-      comp(_VSTD::move(__q.comp))
+    : c(_STD::move(__q.c), __a),
+      comp(_STD::move(__q.comp))
 {
-    _VSTD::make_heap(c.begin(), c.end(), comp);
+    _STD::make_heap(c.begin(), c.end(), comp);
 }
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -642,7 +594,7 @@ void
 priority_queue<_Tp, _Container, _Compare>::push(const value_type& __v)
 {
     c.push_back(__v);
-    _VSTD::push_heap(c.begin(), c.end(), comp);
+    _STD::push_heap(c.begin(), c.end(), comp);
 }
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -652,8 +604,8 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 priority_queue<_Tp, _Container, _Compare>::push(value_type&& __v)
 {
-    c.push_back(_VSTD::move(__v));
-    _VSTD::push_heap(c.begin(), c.end(), comp);
+    c.push_back(_STD::move(__v));
+    _STD::push_heap(c.begin(), c.end(), comp);
 }
 
 #ifndef _LIBCPP_HAS_NO_VARIADICS
@@ -664,8 +616,8 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 priority_queue<_Tp, _Container, _Compare>::emplace(_Args&&... __args)
 {
-    c.emplace_back(_VSTD::forward<_Args>(__args)...);
-    _VSTD::push_heap(c.begin(), c.end(), comp);
+    c.emplace_back(_STD::forward<_Args>(__args)...);
+    _STD::push_heap(c.begin(), c.end(), comp);
 }
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
@@ -676,7 +628,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 priority_queue<_Tp, _Container, _Compare>::pop()
 {
-    _VSTD::pop_heap(c.begin(), c.end(), comp);
+    _STD::pop_heap(c.begin(), c.end(), comp);
     c.pop_back();
 }
 
@@ -684,10 +636,8 @@ template <class _Tp, class _Container, class _Compare>
 inline _LIBCPP_INLINE_VISIBILITY
 void
 priority_queue<_Tp, _Container, _Compare>::swap(priority_queue& __q)
-        _NOEXCEPT_(__is_nothrow_swappable<container_type>::value &&
-                   __is_nothrow_swappable<value_compare>::value)
 {
-    using _VSTD::swap;
+    using _STD::swap;
     swap(c, __q.c);
     swap(comp, __q.comp);
 }
@@ -697,7 +647,6 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(priority_queue<_Tp, _Container, _Compare>& __x,
      priority_queue<_Tp, _Container, _Compare>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }

include/random

@@ -1650,16 +1650,6 @@ class piecewise_linear_distribution
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-// __is_seed_sequence
-
-template <class _Sseq, class _Engine>
-struct __is_seed_sequence
-{
-    static const bool value =
-              !is_convertible<_Sseq, typename _Engine::result_type>::value &&
-              !is_same<typename remove_cv<_Sseq>::type, _Engine>::value;
-};
-
 // linear_congruential_engine
 
 template <unsigned long long __a, unsigned long long __c,
@@ -1858,7 +1848,7 @@ public:
         {seed(__s);}
     template<class _Sseq> explicit linear_congruential_engine(_Sseq& __q,
         _LIBCPP_INLINE_VISIBILITY
-        typename enable_if<__is_seed_sequence<_Sseq, linear_congruential_engine>::value>::type* = 0)
+        typename enable_if<!is_convertible<_Sseq, result_type>::value>::type* = 0)
         {seed(__q);}
     _LIBCPP_INLINE_VISIBILITY
     void seed(result_type __s = default_seed)
@@ -1868,7 +1858,7 @@ public:
         _LIBCPP_INLINE_VISIBILITY
         typename enable_if
         <
-            __is_seed_sequence<_Sseq, linear_congruential_engine>::value,
+            !is_convertible<_Sseq, result_type>::value,
             void
         >::type
         seed(_Sseq& __q)
@@ -2114,14 +2104,14 @@ public:
         {seed(__sd);}
     template<class _Sseq> explicit mersenne_twister_engine(_Sseq& __q,
         _LIBCPP_INLINE_VISIBILITY
-        typename enable_if<__is_seed_sequence<_Sseq, mersenne_twister_engine>::value>::type* = 0)
+        typename enable_if<!is_convertible<_Sseq, result_type>::value>::type* = 0)
         {seed(__q);}
     void seed(result_type __sd = default_seed);
     template<class _Sseq>
         _LIBCPP_INLINE_VISIBILITY
         typename enable_if
         <
-            __is_seed_sequence<_Sseq, mersenne_twister_engine>::value,
+            !is_convertible<_Sseq, result_type>::value,
             void
         >::type
         seed(_Sseq& __q)
@@ -2313,37 +2303,37 @@ operator==(const mersenne_twister_engine<_UI, _W, _N, _M, _R, _A, _U, _D, _S,
                                          _B, _T, _C, _L, _F>& __y)
 {
     if (__x.__i_ == __y.__i_)
-        return _VSTD::equal(__x.__x_, __x.__x_ + _N, __y.__x_);
+        return _STD::equal(__x.__x_, __x.__x_ + _N, __y.__x_);
     if (__x.__i_ == 0 || __y.__i_ == 0)
     {
-        size_t __j = _VSTD::min(_N - __x.__i_, _N - __y.__i_);
-        if (!_VSTD::equal(__x.__x_ + __x.__i_, __x.__x_ + __x.__i_ + __j,
+        size_t __j = _STD::min(_N - __x.__i_, _N - __y.__i_);
+        if (!_STD::equal(__x.__x_ + __x.__i_, __x.__x_ + __x.__i_ + __j,
                          __y.__x_ + __y.__i_))
             return false;
         if (__x.__i_ == 0)
-            return _VSTD::equal(__x.__x_ + __j, __x.__x_ + _N, __y.__x_);
-        return _VSTD::equal(__x.__x_, __x.__x_ + (_N - __j), __y.__x_ + __j);
+            return _STD::equal(__x.__x_ + __j, __x.__x_ + _N, __y.__x_);
+        return _STD::equal(__x.__x_, __x.__x_ + (_N - __j), __y.__x_ + __j);
     }
     if (__x.__i_ < __y.__i_)
     {
         size_t __j = _N - __y.__i_;
-        if (!_VSTD::equal(__x.__x_ + __x.__i_, __x.__x_ + (__x.__i_ + __j),
+        if (!_STD::equal(__x.__x_ + __x.__i_, __x.__x_ + (__x.__i_ + __j),
                          __y.__x_ + __y.__i_))
             return false;
-        if (!_VSTD::equal(__x.__x_ + (__x.__i_ + __j), __x.__x_ + _N,
+        if (!_STD::equal(__x.__x_ + (__x.__i_ + __j), __x.__x_ + _N,
                          __y.__x_))
             return false;
-        return _VSTD::equal(__x.__x_, __x.__x_ + __x.__i_,
+        return _STD::equal(__x.__x_, __x.__x_ + __x.__i_,
                            __y.__x_ + (_N - (__x.__i_ + __j)));
     }
     size_t __j = _N - __x.__i_;
-    if (!_VSTD::equal(__y.__x_ + __y.__i_, __y.__x_ + (__y.__i_ + __j),
+    if (!_STD::equal(__y.__x_ + __y.__i_, __y.__x_ + (__y.__i_ + __j),
                      __x.__x_ + __x.__i_))
         return false;
-    if (!_VSTD::equal(__y.__x_ + (__y.__i_ + __j), __y.__x_ + _N,
+    if (!_STD::equal(__y.__x_ + (__y.__i_ + __j), __y.__x_ + _N,
                      __x.__x_))
         return false;
-    return _VSTD::equal(__y.__x_, __y.__x_ + __y.__i_,
+    return _STD::equal(__y.__x_, __y.__x_ + __y.__i_,
                        __x.__x_ + (_N - (__y.__i_ + __j)));
 }
 
@@ -2483,7 +2473,7 @@ public:
         {seed(__sd);}
     template<class _Sseq> explicit subtract_with_carry_engine(_Sseq& __q,
         _LIBCPP_INLINE_VISIBILITY
-        typename enable_if<__is_seed_sequence<_Sseq, subtract_with_carry_engine>::value>::type* = 0)
+        typename enable_if<!is_convertible<_Sseq, result_type>::value>::type* = 0)
         {seed(__q);}
     _LIBCPP_INLINE_VISIBILITY
     void seed(result_type __sd = default_seed)
@@ -2492,7 +2482,7 @@ public:
         _LIBCPP_INLINE_VISIBILITY
         typename enable_if
         <
-            __is_seed_sequence<_Sseq, subtract_with_carry_engine>::value,
+            !is_convertible<_Sseq, result_type>::value,
             void
         >::type
         seed(_Sseq& __q)
@@ -2621,37 +2611,37 @@ operator==(
     if (__x.__c_ != __y.__c_)
         return false;
     if (__x.__i_ == __y.__i_)
-        return _VSTD::equal(__x.__x_, __x.__x_ + _R, __y.__x_);
+        return _STD::equal(__x.__x_, __x.__x_ + _R, __y.__x_);
     if (__x.__i_ == 0 || __y.__i_ == 0)
     {
-        size_t __j = _VSTD::min(_R - __x.__i_, _R - __y.__i_);
-        if (!_VSTD::equal(__x.__x_ + __x.__i_, __x.__x_ + __x.__i_ + __j,
+        size_t __j = _STD::min(_R - __x.__i_, _R - __y.__i_);
+        if (!_STD::equal(__x.__x_ + __x.__i_, __x.__x_ + __x.__i_ + __j,
                          __y.__x_ + __y.__i_))
             return false;
         if (__x.__i_ == 0)
-            return _VSTD::equal(__x.__x_ + __j, __x.__x_ + _R, __y.__x_);
-        return _VSTD::equal(__x.__x_, __x.__x_ + (_R - __j), __y.__x_ + __j);
+            return _STD::equal(__x.__x_ + __j, __x.__x_ + _R, __y.__x_);
+        return _STD::equal(__x.__x_, __x.__x_ + (_R - __j), __y.__x_ + __j);
     }
     if (__x.__i_ < __y.__i_)
     {
         size_t __j = _R - __y.__i_;
-        if (!_VSTD::equal(__x.__x_ + __x.__i_, __x.__x_ + (__x.__i_ + __j),
+        if (!_STD::equal(__x.__x_ + __x.__i_, __x.__x_ + (__x.__i_ + __j),
                          __y.__x_ + __y.__i_))
             return false;
-        if (!_VSTD::equal(__x.__x_ + (__x.__i_ + __j), __x.__x_ + _R,
+        if (!_STD::equal(__x.__x_ + (__x.__i_ + __j), __x.__x_ + _R,
                          __y.__x_))
             return false;
-        return _VSTD::equal(__x.__x_, __x.__x_ + __x.__i_,
+        return _STD::equal(__x.__x_, __x.__x_ + __x.__i_,
                            __y.__x_ + (_R - (__x.__i_ + __j)));
     }
     size_t __j = _R - __x.__i_;
-    if (!_VSTD::equal(__y.__x_ + __y.__i_, __y.__x_ + (__y.__i_ + __j),
+    if (!_STD::equal(__y.__x_ + __y.__i_, __y.__x_ + (__y.__i_ + __j),
                      __x.__x_ + __x.__i_))
         return false;
-    if (!_VSTD::equal(__y.__x_ + (__y.__i_ + __j), __y.__x_ + _R,
+    if (!_STD::equal(__y.__x_ + (__y.__i_ + __j), __y.__x_ + _R,
                      __x.__x_))
         return false;
-    return _VSTD::equal(__y.__x_, __y.__x_ + __y.__i_,
+    return _STD::equal(__y.__x_, __y.__x_ + __y.__i_,
                        __x.__x_ + (_R - (__y.__i_ + __j)));
 }
 
@@ -2744,14 +2734,14 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     explicit discard_block_engine(_Engine&& __e)
-        : __e_(_VSTD::move(__e)), __n_(0) {}
+        : __e_(_STD::move(__e)), __n_(0) {}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     explicit discard_block_engine(result_type __sd) : __e_(__sd), __n_(0) {}
     template<class _Sseq>
         _LIBCPP_INLINE_VISIBILITY
         explicit discard_block_engine(_Sseq& __q,
-        typename enable_if<__is_seed_sequence<_Sseq, discard_block_engine>::value &&
+        typename enable_if<!is_convertible<_Sseq, result_type>::value &&
                            !is_convertible<_Sseq, _Engine>::value>::type* = 0)
         : __e_(__q), __n_(0) {}
     _LIBCPP_INLINE_VISIBILITY
@@ -2762,7 +2752,7 @@ public:
         _LIBCPP_INLINE_VISIBILITY
         typename enable_if
         <
-            __is_seed_sequence<_Sseq, discard_block_engine>::value,
+            !is_convertible<_Sseq, result_type>::value,
             void
         >::type
         seed(_Sseq& __q) {__e_.seed(__q); __n_ = 0;}
@@ -2944,13 +2934,13 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     explicit independent_bits_engine(_Engine&& __e)
-        : __e_(_VSTD::move(__e)) {}
+        : __e_(_STD::move(__e)) {}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     explicit independent_bits_engine(result_type __sd) : __e_(__sd) {}
     template<class _Sseq> explicit independent_bits_engine(_Sseq& __q,
         _LIBCPP_INLINE_VISIBILITY
-        typename enable_if<__is_seed_sequence<_Sseq, independent_bits_engine>::value &&
+        typename enable_if<!is_convertible<_Sseq, result_type>::value &&
                            !is_convertible<_Sseq, _Engine>::value>::type* = 0)
          : __e_(__q) {}
     _LIBCPP_INLINE_VISIBILITY
@@ -2961,7 +2951,7 @@ public:
         _LIBCPP_INLINE_VISIBILITY
         typename enable_if
         <
-            __is_seed_sequence<_Sseq, independent_bits_engine>::value,
+            !is_convertible<_Sseq, result_type>::value,
             void
         >::type
         seed(_Sseq& __q) {__e_.seed(__q);}
@@ -3167,13 +3157,13 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     explicit shuffle_order_engine(_Engine&& __e)
-        : __e_(_VSTD::move(__e)) {__init();}
+        : __e_(_STD::move(__e)) {__init();}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     explicit shuffle_order_engine(result_type __sd) : __e_(__sd) {__init();}
     template<class _Sseq> explicit shuffle_order_engine(_Sseq& __q,
         _LIBCPP_INLINE_VISIBILITY
-        typename enable_if<__is_seed_sequence<_Sseq, shuffle_order_engine>::value &&
+        typename enable_if<!is_convertible<_Sseq, result_type>::value &&
                            !is_convertible<_Sseq, _Engine>::value>::type* = 0)
          : __e_(__q) {__init();}
     _LIBCPP_INLINE_VISIBILITY
@@ -3184,7 +3174,7 @@ public:
         _LIBCPP_INLINE_VISIBILITY
         typename enable_if
         <
-            __is_seed_sequence<_Sseq, shuffle_order_engine>::value,
+            !is_convertible<_Sseq, result_type>::value,
             void
         >::type
         seed(_Sseq& __q) {__e_.seed(__q); __init();}
@@ -3292,7 +3282,7 @@ operator==(
     const shuffle_order_engine<_Eng, _K>& __x,
     const shuffle_order_engine<_Eng, _K>& __y)
 {
-    return __x._Y_ == __y._Y_ && _VSTD::equal(__x._V_, __x._V_ + _K, __y._V_) &&
+    return __x._Y_ == __y._Y_ && _STD::equal(__x._V_, __x._V_ + _K, __y._V_) &&
            __x.__e_ == __y.__e_;
 }
 
@@ -3418,7 +3408,7 @@ public:
     template<class _OutputIterator>
         _LIBCPP_INLINE_VISIBILITY
         void param(_OutputIterator __dest) const
-            {_VSTD::copy(__v_.begin(), __v_.end(), __dest);}
+            {_STD::copy(__v_.begin(), __v_.end(), __dest);}
 
 private:
     // no copy functions
@@ -3443,7 +3433,7 @@ seed_seq::generate(_RandomAccessIterator __first, _RandomAccessIterator __last)
 {
     if (__first != __last)
     {
-        _VSTD::fill(__first, __last, 0x8b8b8b8b);
+        _STD::fill(__first, __last, 0x8b8b8b8b);
         const size_t __n = static_cast<size_t>(__last - __first);
         const size_t __s = __v_.size();
         const size_t __t = (__n >= 623) ? 11
@@ -3453,7 +3443,7 @@ seed_seq::generate(_RandomAccessIterator __first, _RandomAccessIterator __last)
                          : (__n - 1) / 2;
         const size_t __p = (__n - __t) / 2;
         const size_t __q = __p + __t;
-        const size_t __m = _VSTD::max(__s + 1, __n);
+        const size_t __m = _STD::max(__s + 1, __n);
         // __k = 0;
         {
             result_type __r = 1664525 * _T(__first[0] ^ __first[__p]
@@ -3639,7 +3629,7 @@ typename uniform_real_distribution<_RealType>::result_type
 uniform_real_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p)
 {
     return (__p.b() - __p.a())
-        * _VSTD::generate_canonical<_RealType, numeric_limits<_RealType>::digits>(__g)
+        * _STD::generate_canonical<_RealType, numeric_limits<_RealType>::digits>(__g)
         + __p.a();
 }
 
@@ -3871,9 +3861,9 @@ binomial_distribution<_IntType>::param_type::param_type(result_type __t, double
     if (0 < __p_ && __p_ < 1)
     {
         __r0_ = static_cast<result_type>((__t_ + 1) * __p_);
-        __pr_ = _VSTD::exp(_VSTD::lgamma(__t_ + 1.) - _VSTD::lgamma(__r0_ + 1.) -
-                          _VSTD::lgamma(__t_ - __r0_ + 1.) + __r0_ * _VSTD::log(__p_) +
-                          (__t_ - __r0_) * _VSTD::log(1 - __p_));
+        __pr_ = _STD::exp(_STD::lgamma(__t_ + 1.) - _STD::lgamma(__r0_ + 1.) -
+                          _STD::lgamma(__t_ - __r0_ + 1.) + __r0_ * _STD::log(__p_) +
+                          (__t_ - __r0_) * _STD::log(1 - __p_));
         __odds_ratio_ = __p_ / (1 - __p_);
     }
 }
@@ -4025,10 +4015,10 @@ template<class _URNG>
 _RealType
 exponential_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p)
 {
-    return -_VSTD::log
+    return -_STD::log
                   (
                       result_type(1) -
-                      _VSTD::generate_canonical<result_type,
+                      _STD::generate_canonical<result_type,
                                        numeric_limits<result_type>::digits>(__g)
                   )
                   / __p.lambda();
@@ -4180,7 +4170,7 @@ normal_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p)
             __v = _Uni(__g);
             __s = __u * __u + __v * __v;
         } while (__s > 1 || __s == 0);
-        result_type _F = _VSTD::sqrt(-2 * _VSTD::log(__s) / __s);
+        result_type _F = _STD::sqrt(-2 * _STD::log(__s) / __s);
         _V_ = __v * _F;
         _V_hot_ = true;
         _U = __u * _F;
@@ -4297,7 +4287,7 @@ public:
     template<class _URNG>
         _LIBCPP_INLINE_VISIBILITY
         result_type operator()(_URNG& __g, const param_type& __p)
-        {return _VSTD::exp(const_cast<normal_distribution<result_type>&>(__p.__nd_)(__g));}
+        {return _STD::exp(const_cast<normal_distribution<result_type>&>(__p.__nd_)(__g));}
 
     // property functions
     _LIBCPP_INLINE_VISIBILITY
@@ -4446,7 +4436,7 @@ poisson_distribution<_IntType>::param_type::param_type(double __mean)
     {
         __s_ = 0;
         __d_ = 0;
-        __l_ = _VSTD::exp(-__mean_);
+        __l_ = _STD::exp(-__mean_);
         __omega_ = 0;
         __c3_ = 0;
         __c2_ = 0;
@@ -4456,7 +4446,7 @@ poisson_distribution<_IntType>::param_type::param_type(double __mean)
     }
     else
     {
-        __s_ = _VSTD::sqrt(__mean_);
+        __s_ = _STD::sqrt(__mean_);
         __d_ = 6 * __mean_ * __mean_;
         __l_ = static_cast<result_type>(__mean_ - 1.1484);
         __omega_ = .3989423 / __s_;
@@ -4477,7 +4467,7 @@ poisson_distribution<_IntType>::operator()(_URNG& __urng, const param_type& __pr
 {
     result_type __x;
     uniform_real_distribution<double> __urd;
-    if (__pr.__mean_ < 10)
+    if (__pr.__mean_ <= 10)
     {
          __x = 0;
         for (double __p = __urd(__urng); __p > __pr.__l_; ++__x)
@@ -4523,20 +4513,20 @@ poisson_distribution<_IntType>::operator()(_URNG& __urng, const param_type& __pr
                 const result_type __fac[] = {1, 1, 2, 6, 24, 120, 720, 5040,
                                              40320, 362880};
                 __px = -__pr.__mean_;
-                __py = _VSTD::pow(__pr.__mean_, (double)__x) / __fac[__x];
+                __py = _STD::pow(__pr.__mean_, (double)__x) / __fac[__x];
             }
             else
             {
                 double __del = .8333333E-1 / __x;
                 __del -= 4.8 * __del * __del * __del;
                 double __v = __difmuk / __x;
-                if (_VSTD::abs(__v) > 0.25)
-                    __px = __x * _VSTD::log(1 + __v) - __difmuk - __del;
+                if (_STD::abs(__v) > 0.25)
+                    __px = __x * _STD::log(1 + __v) - __difmuk - __del;
                 else
                     __px = __x * __v * __v * (((((((.1250060 * __v + -.1384794) *
                            __v + .1421878) * __v + -.1661269) * __v + .2000118) *
                            __v + -.2500068) * __v + .3333333) * __v + -.5) - __del;
-                __py = .3989423 / _VSTD::sqrt(__x);
+                __py = .3989423 / _STD::sqrt(__x);
             }
             double __r = (0.5 - __difmuk) / __pr.__s_;
             double __r2 = __r * __r;
@@ -4545,13 +4535,13 @@ poisson_distribution<_IntType>::operator()(_URNG& __urng, const param_type& __pr
                                         __r2 + __pr.__c1_) * __r2 + __pr.__c0_);
             if (__using_exp_dist)
             {
-                if (__pr.__c_ * _VSTD::abs(__u) <= __py * _VSTD::exp(__px + __e) -
-                                                   __fy * _VSTD::exp(__fx + __e))
+                if (__pr.__c_ * _STD::abs(__u) <= __py * _STD::exp(__px + __e) -
+                                                   __fy * _STD::exp(__fx + __e))
                     break;
             }
             else
             {
-                if (__fy - __u * __fy <= __py * _VSTD::exp(__px - __fx))
+                if (__fy - __u * __fy <= __py * _STD::exp(__px - __fx))
                     break;
             }
         }
@@ -4642,7 +4632,7 @@ public:
         _LIBCPP_INLINE_VISIBILITY
         result_type operator()(_URNG& __g, const param_type& __p)
         {return __p.b() *
-            _VSTD::pow(exponential_distribution<result_type>()(__g), 1/__p.a());}
+            _STD::pow(exponential_distribution<result_type>()(__g), 1/__p.a());}
 
     // property functions
     _LIBCPP_INLINE_VISIBILITY
@@ -4786,7 +4776,7 @@ _RealType
 extreme_value_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p)
 {
     return __p.a() - __p.b() *
-         _VSTD::log(-_VSTD::log(1-uniform_real_distribution<result_type>()(__g)));
+         _STD::log(-_STD::log(1-uniform_real_distribution<result_type>()(__g)));
 }
 
 template <class _CharT, class _Traits, class _RT>
@@ -4923,7 +4913,7 @@ gamma_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p)
             const result_type __w = __u * (1 - __u);
             if (__w != 0)
             {
-                const result_type __y = _VSTD::sqrt(__c / __w) *
+                const result_type __y = _STD::sqrt(__c / __w) *
                                         (__u - result_type(0.5));
                 __x = __b + __y;
                 if (__x >= 0)
@@ -4931,7 +4921,7 @@ gamma_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p)
                     const result_type __z = 64 * __w * __w * __w * __v * __v;
                     if (__z <= 1 - 2 * __y * __y / __x)
                         break;
-                    if (_VSTD::log(__z) <= 2 * (__b * _VSTD::log(__x / __b) - __y))
+                    if (_STD::log(__z) <= 2 * (__b * _STD::log(__x / __b) - __y))
                         break;
                 }
             }
@@ -4945,14 +4935,14 @@ gamma_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p)
             const result_type __es = __egen(__g);
             if (__u <= 1 - __a)
             {
-                __x = _VSTD::pow(__u, 1 / __a);
+                __x = _STD::pow(__u, 1 / __a);
                 if (__x <= __es)
                     break;
             }
             else
             {
-                const result_type __e = -_VSTD::log((1-__u)/__a);
-                __x = _VSTD::pow(1 - __a + __a * __e, 1 / __a);
+                const result_type __e = -_STD::log((1-__u)/__a);
+                __x = _STD::pow(1 - __a + __a * __e, 1 / __a);
                 if (__x <= __e + __es)
                     break;
             }
@@ -5424,7 +5414,7 @@ cauchy_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p)
 {
     uniform_real_distribution<result_type> __gen;
     // purposefully let tan arg get as close to pi/2 as it wants, tan will return a finite
-    return __p.a() + __p.b() * _VSTD::tan(3.1415926535897932384626433832795 * __gen(__g));
+    return __p.a() + __p.b() * _STD::tan(3.1415926535897932384626433832795 * __gen(__g));
 }
 
 template <class _CharT, class _Traits, class _RT>
@@ -5662,7 +5652,7 @@ _RealType
 student_t_distribution<_RealType>::operator()(_URNG& __g, const param_type& __p)
 {
     gamma_distribution<result_type> __gd(__p.n() * .5, 2);
-    return __nd_(__g) * _VSTD::sqrt(__p.n()/__gd(__g));
+    return __nd_(__g) * _STD::sqrt(__p.n()/__gd(__g));
 }
 
 template <class _CharT, class _Traits, class _RT>
@@ -5843,12 +5833,12 @@ discrete_distribution<_IntType>::param_type::__init()
     {
         if (__p_.size() > 1)
         {
-            double __s = _VSTD::accumulate(__p_.begin(), __p_.end(), 0.0);
-            for (_VSTD::vector<double>::iterator __i = __p_.begin(), __e = __p_.end();
+            double __s = _STD::accumulate(__p_.begin(), __p_.end(), 0.0);
+            for (_STD::vector<double>::iterator __i = __p_.begin(), __e = __p_.end();
                                                                        __i < __e; ++__i)
                 *__i /= __s;
             vector<double> __t(__p_.size() - 1);
-            _VSTD::partial_sum(__p_.begin(), __p_.end() - 1, __t.begin());
+            _STD::partial_sum(__p_.begin(), __p_.end() - 1, __t.begin());
             swap(__p_, __t);
         }
         else
@@ -5864,8 +5854,8 @@ vector<double>
 discrete_distribution<_IntType>::param_type::probabilities() const
 {
     size_t __n = __p_.size();
-    _VSTD::vector<double> __p(__n+1);
-    _VSTD::adjacent_difference(__p_.begin(), __p_.end(), __p.begin());
+    _STD::vector<double> __p(__n+1);
+    _STD::adjacent_difference(__p_.begin(), __p_.end(), __p.begin());
     if (__n > 0)
         __p[__n] = 1 - __p_[__n-1];
     else
@@ -5880,7 +5870,7 @@ discrete_distribution<_IntType>::operator()(_URNG& __g, const param_type& __p)
 {
     uniform_real_distribution<double> __gen;
     return static_cast<_IntType>(
-           _VSTD::upper_bound(__p.__p_.begin(), __p.__p_.end(), __gen(__g)) -
+           _STD::upper_bound(__p.__p_.begin(), __p.__p_.end(), __gen(__g)) -
                                                               __p.__p_.begin());
 }
 
@@ -6079,14 +6069,14 @@ void
 piecewise_constant_distribution<_RealType>::param_type::__init()
 {
     // __densities_ contains non-normalized areas
-    result_type __total_area = _VSTD::accumulate(__densities_.begin(),
+    result_type __total_area = _STD::accumulate(__densities_.begin(),
                                                 __densities_.end(),
                                                 result_type());
     for (size_t __i = 0; __i < __densities_.size(); ++__i)
         __densities_[__i] /= __total_area;
     // __densities_ contains normalized areas
     __areas_.assign(__densities_.size(), result_type());
-    _VSTD::partial_sum(__densities_.begin(), __densities_.end() - 1,
+    _STD::partial_sum(__densities_.begin(), __densities_.end() - 1,
                                                           __areas_.begin() + 1);
     // __areas_ contains partial sums of normalized areas: [0, __densities_ - 1]
     __densities_.back() = 1 - __areas_.back();  // correct round off error
@@ -6175,7 +6165,7 @@ piecewise_constant_distribution<_RealType>::operator()(_URNG& __g, const param_t
 {
     typedef uniform_real_distribution<result_type> _Gen;
     result_type __u = _Gen()(__g);
-    ptrdiff_t __k = _VSTD::upper_bound(__p.__areas_.begin(), __p.__areas_.end(),
+    ptrdiff_t __k = _STD::upper_bound(__p.__areas_.begin(), __p.__areas_.end(),
                                       __u) - __p.__areas_.begin() - 1;
     return (__u - __p.__areas_[__k]) / __p.__densities_[__k] + __p.__b_[__k];
 }
@@ -6496,7 +6486,7 @@ piecewise_linear_distribution<_RealType>::operator()(_URNG& __g, const param_typ
 {
     typedef uniform_real_distribution<result_type> _Gen;
     result_type __u = _Gen()(__g);
-    ptrdiff_t __k = _VSTD::upper_bound(__p.__areas_.begin(), __p.__areas_.end(),
+    ptrdiff_t __k = _STD::upper_bound(__p.__areas_.begin(), __p.__areas_.end(),
                                       __u) - __p.__areas_.begin() - 1;
     __u -= __p.__areas_[__k];
     const result_type __dk = __p.__densities_[__k];
@@ -6508,7 +6498,7 @@ piecewise_linear_distribution<_RealType>::operator()(_URNG& __g, const param_typ
     const result_type __bk1 = __p.__b_[__k+1];
     const result_type __deltab = __bk1 - __bk;
     return (__bk * __dk1 - __bk1 * __dk +
-        _VSTD::sqrt(__deltab * (__deltab * __dk * __dk + 2 * __deltad * __u))) /
+        _STD::sqrt(__deltab * (__deltab * __dk * __dk + 2 * __deltad * __u))) /
         __deltad;
 }
 

include/ratio

@@ -274,19 +274,10 @@ public:
         >::type type;
 };
 
-#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-
-template <class _R1, class _R2> using ratio_multiply
-                                    = typename __ratio_multiply<_R1, _R2>::type;
-
-#else  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-
 template <class _R1, class _R2>
 struct _LIBCPP_VISIBLE ratio_multiply
     : public __ratio_multiply<_R1, _R2>::type {};
 
-#endif  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-
 template <class _R1, class _R2>
 struct __ratio_divide
 {
@@ -301,19 +292,10 @@ public:
         >::type type;
 };
 
-#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-
-template <class _R1, class _R2> using ratio_divide
-                                      = typename __ratio_divide<_R1, _R2>::type;
-
-#else  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-
 template <class _R1, class _R2>
 struct _LIBCPP_VISIBLE ratio_divide
     : public __ratio_divide<_R1, _R2>::type {};
 
-#endif  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-
 template <class _R1, class _R2>
 struct __ratio_add
 {
@@ -336,19 +318,10 @@ public:
         >::type type;
 };
 
-#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-
-template <class _R1, class _R2> using ratio_add
-                                         = typename __ratio_add<_R1, _R2>::type;
-
-#else  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-
 template <class _R1, class _R2>
 struct _LIBCPP_VISIBLE ratio_add
     : public __ratio_add<_R1, _R2>::type {};
 
-#endif  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-
 template <class _R1, class _R2>
 struct __ratio_subtract
 {
@@ -371,19 +344,10 @@ public:
         >::type type;
 };
 
-#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-
-template <class _R1, class _R2> using ratio_subtract
-                                    = typename __ratio_subtract<_R1, _R2>::type;
-
-#else  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-
 template <class _R1, class _R2>
 struct _LIBCPP_VISIBLE ratio_subtract
     : public __ratio_subtract<_R1, _R2>::type {};
 
-#endif  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
-
 // ratio_equal
 
 template <class _R1, class _R2>

include/scoped_allocator

@@ -49,25 +49,24 @@ public:
     scoped_allocator_adaptor();
     template <class OuterA2>
         scoped_allocator_adaptor(OuterA2&& outerAlloc,
-                                 const InnerAllocs&... innerAllocs) noexcept;
-    scoped_allocator_adaptor(const scoped_allocator_adaptor& other) noexcept;
-    scoped_allocator_adaptor(scoped_allocator_adaptor&& other) noexcept;
+                                 const InnerAllocs&... innerAllocs);
+    scoped_allocator_adaptor(const scoped_allocator_adaptor& other);
     template <class OuterA2>
-        scoped_allocator_adaptor(const scoped_allocator_adaptor<OuterA2, InnerAllocs...>& other) noexcept;
+        scoped_allocator_adaptor(const scoped_allocator_adaptor<OuterA2, InnerAllocs...>& other);
     template <class OuterA2>
-        scoped_allocator_adaptor(const scoped_allocator_adaptor<OuterA2, InnerAllocs...>&& other) noexcept;
+        scoped_allocator_adaptor(const scoped_allocator_adaptor<OuterA2, InnerAllocs...>&& other);
 
     ~scoped_allocator_adaptor();
 
-    inner_allocator_type& inner_allocator() noexcept;
-    const inner_allocator_type& inner_allocator() const noexcept;
+    inner_allocator_type& inner_allocator();
+    const inner_allocator_type& inner_allocator() const;
 
-    outer_allocator_type& outer_allocator() noexcept;
-    const outer_allocator_type& outer_allocator() const noexcept;
+    outer_allocator_type& outer_allocator();
+    const outer_allocator_type& outer_allocator() const;
 
     pointer allocate(size_type n);
     pointer allocate(size_type n, const_void_pointer hint);
-    void deallocate(pointer p, size_type n) noexcept;
+    void deallocate(pointer p, size_type n);
 
     size_type max_size() const;
     template <class T, class... Args> void construct(T* p, Args&& args);
@@ -84,20 +83,18 @@ public:
         void construct(pair<T1, T2>* p, pair<U, V>&& x);
     template <class T> void destroy(T* p);
 
-    template <class T> void destroy(T* p) noexcept;
-
-    scoped_allocator_adaptor select_on_container_copy_construction() const noexcept;
+    scoped_allocator_adaptor select_on_container_copy_construction() const;
 };
 
 template <class OuterA1, class OuterA2, class... InnerAllocs>
     bool
     operator==(const scoped_allocator_adaptor<OuterA1, InnerAllocs...>& a,
-               const scoped_allocator_adaptor<OuterA2, InnerAllocs...>& b) noexcept;
+               const scoped_allocator_adaptor<OuterA2, InnerAllocs...>& b);
 
 template <class OuterA1, class OuterA2, class... InnerAllocs>
     bool
     operator!=(const scoped_allocator_adaptor<OuterA1, InnerAllocs...>& a,
-               const scoped_allocator_adaptor<OuterA2, InnerAllocs...>& b) noexcept;
+               const scoped_allocator_adaptor<OuterA2, InnerAllocs...>& b);
 
 }  // std
 
@@ -185,7 +182,7 @@ private:
 protected:
 
     _LIBCPP_INLINE_VISIBILITY
-    __scoped_allocator_storage() _NOEXCEPT {}
+    __scoped_allocator_storage() {}
 
     template <class _OuterA2,
               class = typename enable_if<
@@ -193,8 +190,8 @@ protected:
                       >::type>
         _LIBCPP_INLINE_VISIBILITY
         __scoped_allocator_storage(_OuterA2&& __outerAlloc,
-                                   const _InnerAllocs& ...__innerAllocs) _NOEXCEPT
-            : outer_allocator_type(_VSTD::forward<_OuterA2>(__outerAlloc)),
+                                   const _InnerAllocs& ...__innerAllocs)
+            : outer_allocator_type(_STD::forward<_OuterA2>(__outerAlloc)),
               __inner_(__innerAllocs...) {}
 
     template <class _OuterA2,
@@ -203,7 +200,7 @@ protected:
                       >::type>
         _LIBCPP_INLINE_VISIBILITY
         __scoped_allocator_storage(
-            const __scoped_allocator_storage<_OuterA2, _InnerAllocs...>& __other) _NOEXCEPT
+            const __scoped_allocator_storage<_OuterA2, _InnerAllocs...>& __other)
             : outer_allocator_type(__other.outer_allocator()),
               __inner_(__other.inner_allocator()) {}
 
@@ -213,9 +210,9 @@ protected:
                       >::type>
         _LIBCPP_INLINE_VISIBILITY
         __scoped_allocator_storage(
-            __scoped_allocator_storage<_OuterA2, _InnerAllocs...>&& __other) _NOEXCEPT
-            : outer_allocator_type(_VSTD::move(__other.outer_allocator())),
-              __inner_(_VSTD::move(__other.inner_allocator())) {}
+            __scoped_allocator_storage<_OuterA2, _InnerAllocs...>&& __other)
+            : outer_allocator_type(_STD::move(__other.outer_allocator())),
+              __inner_(_STD::move(__other.inner_allocator())) {}
 
     template <class _OuterA2,
               class = typename enable_if<
@@ -223,27 +220,27 @@ protected:
                       >::type>
         _LIBCPP_INLINE_VISIBILITY
         __scoped_allocator_storage(_OuterA2&& __o,
-                                   const inner_allocator_type& __i) _NOEXCEPT
-            : outer_allocator_type(_VSTD::forward<_OuterA2>(__o)),
+                                   const inner_allocator_type& __i)
+            : outer_allocator_type(_STD::forward<_OuterA2>(__o)),
               __inner_(__i)
         {
         }
 
     _LIBCPP_INLINE_VISIBILITY
-    inner_allocator_type& inner_allocator() _NOEXCEPT             {return __inner_;}
+    inner_allocator_type& inner_allocator()             {return __inner_;}
     _LIBCPP_INLINE_VISIBILITY
-    const inner_allocator_type& inner_allocator() const _NOEXCEPT {return __inner_;}
+    const inner_allocator_type& inner_allocator() const {return __inner_;}
 
     _LIBCPP_INLINE_VISIBILITY
-    outer_allocator_type& outer_allocator() _NOEXCEPT
+    outer_allocator_type& outer_allocator()
         {return static_cast<outer_allocator_type&>(*this);}
     _LIBCPP_INLINE_VISIBILITY
-    const outer_allocator_type& outer_allocator() const _NOEXCEPT
+    const outer_allocator_type& outer_allocator() const
         {return static_cast<const outer_allocator_type&>(*this);}
 
     scoped_allocator_adaptor<outer_allocator_type, _InnerAllocs...>
     _LIBCPP_INLINE_VISIBILITY
-    select_on_container_copy_construction() const _NOEXCEPT
+    select_on_container_copy_construction() const
         {
             return scoped_allocator_adaptor<outer_allocator_type, _InnerAllocs...>
             (
@@ -266,15 +263,15 @@ protected:
     typedef scoped_allocator_adaptor<_OuterAlloc> inner_allocator_type;
 
     _LIBCPP_INLINE_VISIBILITY
-    __scoped_allocator_storage() _NOEXCEPT {}
+    __scoped_allocator_storage() {}
 
     template <class _OuterA2,
               class = typename enable_if<
                         is_constructible<outer_allocator_type, _OuterA2>::value
                       >::type>
         _LIBCPP_INLINE_VISIBILITY
-        __scoped_allocator_storage(_OuterA2&& __outerAlloc) _NOEXCEPT
-            : outer_allocator_type(_VSTD::forward<_OuterA2>(__outerAlloc)) {}
+        __scoped_allocator_storage(_OuterA2&& __outerAlloc)
+            : outer_allocator_type(_STD::forward<_OuterA2>(__outerAlloc)) {}
 
     template <class _OuterA2,
               class = typename enable_if<
@@ -282,7 +279,7 @@ protected:
                       >::type>
         _LIBCPP_INLINE_VISIBILITY
         __scoped_allocator_storage(
-            const __scoped_allocator_storage<_OuterA2>& __other) _NOEXCEPT
+            const __scoped_allocator_storage<_OuterA2>& __other)
             : outer_allocator_type(__other.outer_allocator()) {}
 
     template <class _OuterA2,
@@ -291,33 +288,33 @@ protected:
                       >::type>
         _LIBCPP_INLINE_VISIBILITY
         __scoped_allocator_storage(
-            __scoped_allocator_storage<_OuterA2>&& __other) _NOEXCEPT
-            : outer_allocator_type(_VSTD::move(__other.outer_allocator())) {}
+            __scoped_allocator_storage<_OuterA2>&& __other)
+            : outer_allocator_type(_STD::move(__other.outer_allocator())) {}
 
     _LIBCPP_INLINE_VISIBILITY
-    inner_allocator_type& inner_allocator() _NOEXCEPT
+    inner_allocator_type& inner_allocator()
         {return static_cast<inner_allocator_type&>(*this);}
     _LIBCPP_INLINE_VISIBILITY
-    const inner_allocator_type& inner_allocator() const _NOEXCEPT
+    const inner_allocator_type& inner_allocator() const
         {return static_cast<const inner_allocator_type&>(*this);}
 
     _LIBCPP_INLINE_VISIBILITY
-    outer_allocator_type& outer_allocator() _NOEXCEPT
+    outer_allocator_type& outer_allocator()
         {return static_cast<outer_allocator_type&>(*this);}
     _LIBCPP_INLINE_VISIBILITY
-    const outer_allocator_type& outer_allocator() const _NOEXCEPT
+    const outer_allocator_type& outer_allocator() const
         {return static_cast<const outer_allocator_type&>(*this);}
 
     _LIBCPP_INLINE_VISIBILITY
     scoped_allocator_adaptor<outer_allocator_type>
-    select_on_container_copy_construction() const _NOEXCEPT
+    select_on_container_copy_construction() const
         {return scoped_allocator_adaptor<outer_allocator_type>(
             allocator_traits<outer_allocator_type>::
                 select_on_container_copy_construction(outer_allocator())
         );}
 
     __scoped_allocator_storage(const outer_allocator_type& __o,
-                               const inner_allocator_type& __i) _NOEXCEPT;
+                               const inner_allocator_type& __i);
 
     template <class...> friend class __scoped_allocator_storage;
 };
@@ -346,7 +343,7 @@ struct __outermost
 {
     typedef _Alloc type;
     _LIBCPP_INLINE_VISIBILITY
-    type& operator()(type& __a) const _NOEXCEPT {return __a;}
+    type& operator()(type& __a) const {return __a;}
 };
 
 template <class _Alloc>
@@ -354,11 +351,11 @@ struct __outermost<_Alloc, true>
 {
     typedef typename remove_reference
                      <
-                        decltype(_VSTD::declval<_Alloc>().outer_allocator())
+                        decltype(_STD::declval<_Alloc>().outer_allocator())
                      >::type                                    _OuterAlloc;
     typedef typename __outermost<_OuterAlloc>::type             type;
     _LIBCPP_INLINE_VISIBILITY
-    type& operator()(_Alloc& __a) const _NOEXCEPT
+    type& operator()(_Alloc& __a) const
         {return __outermost<_OuterAlloc>()(__a.outer_allocator());}
 };
 
@@ -406,15 +403,15 @@ public:
     };
 
     _LIBCPP_INLINE_VISIBILITY
-    scoped_allocator_adaptor() _NOEXCEPT {}
+    scoped_allocator_adaptor() {}
     template <class _OuterA2,
               class = typename enable_if<
                         is_constructible<outer_allocator_type, _OuterA2>::value
                       >::type>
         _LIBCPP_INLINE_VISIBILITY
         scoped_allocator_adaptor(_OuterA2&& __outerAlloc,
-                                 const _InnerAllocs& ...__innerAllocs) _NOEXCEPT
-            : base(_VSTD::forward<_OuterA2>(__outerAlloc), __innerAllocs...) {}
+                                 const _InnerAllocs& ...__innerAllocs)
+            : base(_STD::forward<_OuterA2>(__outerAlloc), __innerAllocs...) {}
     // scoped_allocator_adaptor(const scoped_allocator_adaptor& __other) = default;
     template <class _OuterA2,
               class = typename enable_if<
@@ -422,7 +419,7 @@ public:
                       >::type>
         _LIBCPP_INLINE_VISIBILITY
         scoped_allocator_adaptor(
-            const scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>& __other) _NOEXCEPT
+            const scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>& __other)
                 : base(__other) {}
     template <class _OuterA2,
               class = typename enable_if<
@@ -430,23 +427,23 @@ public:
                       >::type>
         _LIBCPP_INLINE_VISIBILITY
         scoped_allocator_adaptor(
-            scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>&& __other) _NOEXCEPT
-                : base(_VSTD::move(__other)) {}
+            scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>&& __other)
+                : base(_STD::move(__other)) {}
 
     // ~scoped_allocator_adaptor() = default;
 
     _LIBCPP_INLINE_VISIBILITY
-    inner_allocator_type& inner_allocator() _NOEXCEPT
+    inner_allocator_type& inner_allocator()
         {return base::inner_allocator();}
     _LIBCPP_INLINE_VISIBILITY
-    const inner_allocator_type& inner_allocator() const _NOEXCEPT
+    const inner_allocator_type& inner_allocator() const
         {return base::inner_allocator();}
 
     _LIBCPP_INLINE_VISIBILITY
-    outer_allocator_type& outer_allocator() _NOEXCEPT
+    outer_allocator_type& outer_allocator()
         {return base::outer_allocator();}
     _LIBCPP_INLINE_VISIBILITY
-    const outer_allocator_type& outer_allocator() const _NOEXCEPT
+    const outer_allocator_type& outer_allocator() const
         {return base::outer_allocator();}
 
     _LIBCPP_INLINE_VISIBILITY
@@ -459,7 +456,7 @@ public:
             allocate(outer_allocator(), __n, __hint);}
 
     _LIBCPP_INLINE_VISIBILITY
-    void deallocate(pointer __p, size_type __n) _NOEXCEPT
+    void deallocate(pointer __p, size_type __n)
         {allocator_traits<outer_allocator_type>::
             deallocate(outer_allocator(), __p, __n);}
 
@@ -471,7 +468,7 @@ public:
         _LIBCPP_INLINE_VISIBILITY
         void construct(_Tp* __p, _Args&& ...__args)
             {__construct(__uses_alloc_ctor<_Tp, inner_allocator_type, _Args...>(),
-                         __p, _VSTD::forward<_Args>(__args)...);}
+                         __p, _STD::forward<_Args>(__args)...);}
     template <class _Tp>
         _LIBCPP_INLINE_VISIBILITY
         void destroy(_Tp* __p)
@@ -482,7 +479,7 @@ public:
             }
 
     _LIBCPP_INLINE_VISIBILITY
-    scoped_allocator_adaptor select_on_container_copy_construction() const _NOEXCEPT
+    scoped_allocator_adaptor select_on_container_copy_construction() const
         {return base::select_on_container_copy_construction();}
 
 private:
@@ -493,8 +490,8 @@ private:
                       >::type>
     _LIBCPP_INLINE_VISIBILITY
     scoped_allocator_adaptor(_OuterA2&& __o,
-                             const inner_allocator_type& __i) _NOEXCEPT
-        : base(_VSTD::forward<_OuterA2>(__o), __i) {}
+                             const inner_allocator_type& __i)
+        : base(_STD::forward<_OuterA2>(__o), __i) {}
 
     template <class _Tp, class... _Args>
         _LIBCPP_INLINE_VISIBILITY
@@ -505,7 +502,7 @@ private:
                 (
                     _OM()(outer_allocator()),
                     __p,
-                    _VSTD::forward<_Args>(__args)...
+                    _STD::forward<_Args>(__args)...
                 );
             }
 
@@ -520,7 +517,7 @@ private:
                     __p,
                     allocator_arg,
                     inner_allocator(),
-                    _VSTD::forward<_Args>(__args)...
+                    _STD::forward<_Args>(__args)...
                 );
             }
 
@@ -533,7 +530,7 @@ private:
                 (
                     _OM()(outer_allocator()),
                     __p,
-                    _VSTD::forward<_Args>(__args)...,
+                    _STD::forward<_Args>(__args)...,
                     inner_allocator()
                 );
             }
@@ -545,16 +542,16 @@ template <class _OuterA1, class _OuterA2>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
 operator==(const scoped_allocator_adaptor<_OuterA1>& __a,
-           const scoped_allocator_adaptor<_OuterA2>& __b) _NOEXCEPT
+           const scoped_allocator_adaptor<_OuterA2>& __b)
 {
     return __a.outer_allocator() == __b.outer_allocator();
 }
 
-template <class _OuterA1, class _OuterA2, class _InnerA0, class... _InnerAllocs>
+template <class _OuterA1, class _OuterA2, class... _InnerAllocs>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator==(const scoped_allocator_adaptor<_OuterA1, _InnerA0, _InnerAllocs...>& __a,
-           const scoped_allocator_adaptor<_OuterA2, _InnerA0, _InnerAllocs...>& __b) _NOEXCEPT
+operator==(const scoped_allocator_adaptor<_OuterA1, _InnerAllocs...>& __a,
+           const scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>& __b)
 {
     return __a.outer_allocator() == __b.outer_allocator() &&
            __a.inner_allocator() == __b.inner_allocator();
@@ -564,7 +561,7 @@ template <class _OuterA1, class _OuterA2, class... _InnerAllocs>
 inline _LIBCPP_INLINE_VISIBILITY
 bool
 operator!=(const scoped_allocator_adaptor<_OuterA1, _InnerAllocs...>& __a,
-           const scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>& __b) _NOEXCEPT
+           const scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>& __b)
 {
     return !(__a == __b);
 }

include/set

@@ -42,12 +42,7 @@ public:
     typedef std::reverse_iterator<const_iterator>    const_reverse_iterator;
 
     // construct/copy/destroy:
-    set()
-        noexcept(
-            is_nothrow_default_constructible<allocator_type>::value &&
-            is_nothrow_default_constructible<key_compare>::value &&
-            is_nothrow_copy_constructible<key_compare>::value);
-    explicit set(const value_compare& comp);
+    explicit set(const value_compare& comp = value_compare());
     set(const value_compare& comp, const allocator_type& a);
     template <class InputIterator>
         set(InputIterator first, InputIterator last,
@@ -56,10 +51,7 @@ public:
         set(InputIterator first, InputIterator last, const value_compare& comp,
             const allocator_type& a);
     set(const set& s);
-    set(set&& s)
-        noexcept(
-            is_nothrow_move_constructible<allocator_type>::value &&
-            is_nothrow_move_constructible<key_compare>::value);
+    set(set&& s);
     explicit set(const allocator_type& a);
     set(const set& s, const allocator_type& a);
     set(set&& s, const allocator_type& a);
@@ -69,33 +61,29 @@ public:
     ~set();
 
     set& operator=(const set& s);
-    set& operator=(set&& s)
-        noexcept(
-            allocator_type::propagate_on_container_move_assignment::value &&
-            is_nothrow_move_assignable<allocator_type>::value &&
-            is_nothrow_move_assignable<key_compare>::value);
+    set& operator=(set&& s);
     set& operator=(initializer_list<value_type> il);
 
     // iterators:
-          iterator begin() noexcept;
-    const_iterator begin() const noexcept;
-          iterator end() noexcept;
-    const_iterator end()   const noexcept;
+          iterator begin();
+    const_iterator begin() const;
+          iterator end();
+    const_iterator end()   const;
 
-          reverse_iterator rbegin() noexcept;
-    const_reverse_iterator rbegin() const noexcept;
-          reverse_iterator rend() noexcept;
-    const_reverse_iterator rend()   const noexcept;
+          reverse_iterator rbegin();
+    const_reverse_iterator rbegin() const;
+          reverse_iterator rend();
+    const_reverse_iterator rend()   const;
 
-    const_iterator         cbegin()  const noexcept;
-    const_iterator         cend()    const noexcept;
-    const_reverse_iterator crbegin() const noexcept;
-    const_reverse_iterator crend()   const noexcept;
+    const_iterator         cbegin()  const;
+    const_iterator         cend()    const;
+    const_reverse_iterator crbegin() const;
+    const_reverse_iterator crend()   const;
 
     // capacity:
-    bool      empty()    const noexcept;
-    size_type size()     const noexcept;
-    size_type max_size() const noexcept;
+    bool      empty()    const;
+    size_type size()     const;
+    size_type max_size() const;
 
     // modifiers:
     template <class... Args>
@@ -113,16 +101,12 @@ public:
     iterator  erase(const_iterator position);
     size_type erase(const key_type& k);
     iterator  erase(const_iterator first, const_iterator last);
-    void clear() noexcept;
+    void clear();
 
-    void swap(set& s)
-        noexcept(
-            __is_nothrow_swappable<key_compare>::value &&
-            (!allocator_type::propagate_on_container_swap::value ||
-             __is_nothrow_swappable<allocator_type>::value));
+    void swap(set& s);
 
     // observers:
-    allocator_type get_allocator() const noexcept;
+    allocator_type get_allocator() const;
     key_compare    key_comp()      const;
     value_compare  value_comp()    const;
 
@@ -171,8 +155,7 @@ operator<=(const set<Key, Compare, Allocator>& x,
 // specialized algorithms:
 template <class Key, class Compare, class Allocator>
 void
-swap(set<Key, Compare, Allocator>& x, set<Key, Compare, Allocator>& y)
-    noexcept(noexcept(x.swap(y)));
+swap(set<Key, Compare, Allocator>& x, set<Key, Compare, Allocator>& y);
 
 template <class Key, class Compare = less<Key>,
           class Allocator = allocator<Key>>
@@ -198,12 +181,7 @@ public:
     typedef std::reverse_iterator<const_iterator>    const_reverse_iterator;
 
     // construct/copy/destroy:
-    multiset()
-        noexcept(
-            is_nothrow_default_constructible<allocator_type>::value &&
-            is_nothrow_default_constructible<key_compare>::value &&
-            is_nothrow_copy_constructible<key_compare>::value);
-    explicit multiset(const value_compare& comp);
+    explicit multiset(const value_compare& comp = value_compare());
     multiset(const value_compare& comp, const allocator_type& a);
     template <class InputIterator>
         multiset(InputIterator first, InputIterator last,
@@ -212,10 +190,7 @@ public:
         multiset(InputIterator first, InputIterator last,
                  const value_compare& comp, const allocator_type& a);
     multiset(const multiset& s);
-    multiset(multiset&& s)
-        noexcept(
-            is_nothrow_move_constructible<allocator_type>::value &&
-            is_nothrow_move_constructible<key_compare>::value);
+    multiset(multiset&& s);
     explicit multiset(const allocator_type& a);
     multiset(const multiset& s, const allocator_type& a);
     multiset(multiset&& s, const allocator_type& a);
@@ -225,33 +200,29 @@ public:
     ~multiset();
 
     multiset& operator=(const multiset& s);
-    multiset& operator=(multiset&& s)
-        noexcept(
-            allocator_type::propagate_on_container_move_assignment::value &&
-            is_nothrow_move_assignable<allocator_type>::value &&
-            is_nothrow_move_assignable<key_compare>::value);
+    multiset& operator=(multiset&& s);
     multiset& operator=(initializer_list<value_type> il);
 
     // iterators:
-          iterator begin() noexcept;
-    const_iterator begin() const noexcept;
-          iterator end() noexcept;
-    const_iterator end()   const noexcept;
+          iterator begin();
+    const_iterator begin() const;
+          iterator end();
+    const_iterator end()   const;
 
-          reverse_iterator rbegin() noexcept;
-    const_reverse_iterator rbegin() const noexcept;
-          reverse_iterator rend() noexcept;
-    const_reverse_iterator rend()   const noexcept;
+          reverse_iterator rbegin();
+    const_reverse_iterator rbegin() const;
+          reverse_iterator rend();
+    const_reverse_iterator rend()   const;
 
-    const_iterator         cbegin()  const noexcept;
-    const_iterator         cend()    const noexcept;
-    const_reverse_iterator crbegin() const noexcept;
-    const_reverse_iterator crend()   const noexcept;
+    const_iterator         cbegin()  const;
+    const_iterator         cend()    const;
+    const_reverse_iterator crbegin() const;
+    const_reverse_iterator crend()   const;
 
     // capacity:
-    bool      empty()    const noexcept;
-    size_type size()     const noexcept;
-    size_type max_size() const noexcept;
+    bool      empty()    const;
+    size_type size()     const;
+    size_type max_size() const;
 
     // modifiers:
     template <class... Args>
@@ -269,16 +240,12 @@ public:
     iterator  erase(const_iterator position);
     size_type erase(const key_type& k);
     iterator  erase(const_iterator first, const_iterator last);
-    void clear() noexcept;
+    void clear();
 
-    void swap(multiset& s)
-        noexcept(
-            __is_nothrow_swappable<key_compare>::value &&
-            (!allocator_type::propagate_on_container_swap::value ||
-             __is_nothrow_swappable<allocator_type>::value));
+    void swap(multiset& s);
 
     // observers:
-    allocator_type get_allocator() const noexcept;
+    allocator_type get_allocator() const;
     key_compare    key_comp()      const;
     value_compare  value_comp()    const;
 
@@ -327,8 +294,7 @@ operator<=(const multiset<Key, Compare, Allocator>& x,
 // specialized algorithms:
 template <class Key, class Compare, class Allocator>
 void
-swap(multiset<Key, Compare, Allocator>& x, multiset<Key, Compare, Allocator>& y)
-    noexcept(noexcept(x.swap(y)));
+swap(multiset<Key, Compare, Allocator>& x, multiset<Key, Compare, Allocator>& y);
 
 }  // std
 
@@ -370,15 +336,11 @@ public:
     typedef typename __base::difference_type       difference_type;
     typedef typename __base::const_iterator        iterator;
     typedef typename __base::const_iterator        const_iterator;
-    typedef _VSTD::reverse_iterator<iterator>       reverse_iterator;
-    typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator;
+    typedef _STD::reverse_iterator<iterator>       reverse_iterator;
+    typedef _STD::reverse_iterator<const_iterator> const_reverse_iterator;
 
     _LIBCPP_INLINE_VISIBILITY
     explicit set(const value_compare& __comp = value_compare())
-        _NOEXCEPT_(
-            is_nothrow_default_constructible<allocator_type>::value &&
-            is_nothrow_default_constructible<key_compare>::value &&
-            is_nothrow_copy_constructible<key_compare>::value)
         : __tree_(__comp) {}
     _LIBCPP_INLINE_VISIBILITY
     set(const value_compare& __comp, const allocator_type& __a)
@@ -408,18 +370,10 @@ public:
             insert(__s.begin(), __s.end());
         }
 
-    _LIBCPP_INLINE_VISIBILITY
-    set& operator=(const set& __s)
-        {
-            __tree_ = __s.__tree_;
-            return *this;
-        }
-
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     set(set&& __s)
-        _NOEXCEPT_(is_nothrow_move_constructible<__base>::value)
-        : __tree_(_VSTD::move(__s.__tree_)) {}
+        : __tree_(_STD::move(__s.__tree_)) {}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     _LIBCPP_INLINE_VISIBILITY
@@ -462,61 +416,56 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     set& operator=(set&& __s)
-        _NOEXCEPT_(is_nothrow_move_assignable<__base>::value)
         {
-            __tree_ = _VSTD::move(__s.__tree_);
+            __tree_ = _STD::move(__s.__tree_);
             return *this;
         }
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     _LIBCPP_INLINE_VISIBILITY
-          iterator begin() _NOEXCEPT       {return __tree_.begin();}
+          iterator begin()       {return __tree_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator begin() const _NOEXCEPT {return __tree_.begin();}
+    const_iterator begin() const {return __tree_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-          iterator end() _NOEXCEPT         {return __tree_.end();}
+          iterator end()         {return __tree_.end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator end()   const _NOEXCEPT {return __tree_.end();}
+    const_iterator end()   const {return __tree_.end();}
 
     _LIBCPP_INLINE_VISIBILITY
-          reverse_iterator rbegin() _NOEXCEPT
-            {return reverse_iterator(end());}
+          reverse_iterator rbegin()       {return       reverse_iterator(end());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator rbegin() const _NOEXCEPT
-        {return const_reverse_iterator(end());}
+    const_reverse_iterator rbegin() const {return const_reverse_iterator(end());}
     _LIBCPP_INLINE_VISIBILITY
-          reverse_iterator rend() _NOEXCEPT
-            {return reverse_iterator(begin());}
+          reverse_iterator rend()         {return       reverse_iterator(begin());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator rend() const _NOEXCEPT
-        {return const_reverse_iterator(begin());}
+    const_reverse_iterator rend()   const {return const_reverse_iterator(begin());}
 
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cbegin()  const _NOEXCEPT {return begin();}
+    const_iterator         cbegin()  const {return begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cend() const _NOEXCEPT {return end();}
+    const_iterator         cend()    const {return end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator crbegin() const _NOEXCEPT {return rbegin();}
+    const_reverse_iterator crbegin() const {return rbegin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator crend() const _NOEXCEPT {return rend();}
+    const_reverse_iterator crend()   const {return rend();}
 
     _LIBCPP_INLINE_VISIBILITY
-    bool empty() const _NOEXCEPT {return __tree_.size() == 0;}
+    bool      empty()    const {return __tree_.size() == 0;}
     _LIBCPP_INLINE_VISIBILITY
-    size_type size() const _NOEXCEPT {return __tree_.size();}
+    size_type size()     const {return __tree_.size();}
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_size() const _NOEXCEPT {return __tree_.max_size();}
+    size_type max_size() const {return __tree_.max_size();}
 
     // modifiers:
 #if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS)
     template <class... _Args>
         _LIBCPP_INLINE_VISIBILITY
         pair<iterator, bool> emplace(_Args&&... __args)
-            {return __tree_.__emplace_unique(_VSTD::forward<_Args>(__args)...);}
+            {return __tree_.__emplace_unique(_STD::forward<_Args>(__args)...);}
     template <class... _Args>
         _LIBCPP_INLINE_VISIBILITY
         iterator emplace_hint(const_iterator __p, _Args&&... __args)
-            {return __tree_.__emplace_hint_unique(__p, _VSTD::forward<_Args>(__args)...);}
+            {return __tree_.__emplace_hint_unique(__p, _STD::forward<_Args>(__args)...);}
 #endif  // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS)
     _LIBCPP_INLINE_VISIBILITY
     pair<iterator,bool> insert(const value_type& __v)
@@ -524,7 +473,7 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     pair<iterator,bool> insert(value_type&& __v)
-        {return __tree_.__insert_unique(_VSTD::move(__v));}
+        {return __tree_.__insert_unique(_STD::move(__v));}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     iterator insert(const_iterator __p, const value_type& __v)
@@ -532,7 +481,7 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     iterator insert(const_iterator __p, value_type&& __v)
-        {return __tree_.__insert_unique(__p, _VSTD::move(__v));}
+        {return __tree_.__insert_unique(__p, _STD::move(__v));}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     template <class _InputIterator>
         _LIBCPP_INLINE_VISIBILITY
@@ -555,14 +504,13 @@ public:
     iterator  erase(const_iterator __f, const_iterator __l)
         {return __tree_.erase(__f, __l);}
     _LIBCPP_INLINE_VISIBILITY
-    void clear() _NOEXCEPT {__tree_.clear();}
+    void clear() {__tree_.clear();}
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(set& __s) _NOEXCEPT_(__is_nothrow_swappable<__base>::value)
-        {__tree_.swap(__s.__tree_);}
+    void swap(set& __s) {__tree_.swap(__s.__tree_);}
 
     _LIBCPP_INLINE_VISIBILITY
-    allocator_type get_allocator() const _NOEXCEPT {return __tree_.__alloc();}
+    allocator_type get_allocator() const {return __tree_.__alloc();}
     _LIBCPP_INLINE_VISIBILITY
     key_compare    key_comp()      const {return __tree_.value_comp();}
     _LIBCPP_INLINE_VISIBILITY
@@ -600,13 +548,13 @@ public:
 
 template <class _Key, class _Compare, class _Allocator>
 set<_Key, _Compare, _Allocator>::set(set&& __s, const allocator_type& __a)
-    : __tree_(_VSTD::move(__s.__tree_), __a)
+    : __tree_(_STD::move(__s.__tree_), __a)
 {
     if (__a != __s.get_allocator())
     {
         const_iterator __e = cend();
         while (!__s.empty())
-            insert(__e, _VSTD::move(__s.__tree_.remove(__s.begin())->__value_));
+            insert(__e, _STD::move(__s.__tree_.remove(__s.begin())->__value_));
     }
 }
 
@@ -618,7 +566,7 @@ bool
 operator==(const set<_Key, _Compare, _Allocator>& __x,
            const set<_Key, _Compare, _Allocator>& __y)
 {
-    return __x.size() == __y.size() && _VSTD::equal(__x.begin(), __x.end(), __y.begin());
+    return __x.size() == __y.size() && _STD::equal(__x.begin(), __x.end(), __y.begin());
 }
 
 template <class _Key, class _Compare, class _Allocator>
@@ -627,7 +575,7 @@ bool
 operator< (const set<_Key, _Compare, _Allocator>& __x,
            const set<_Key, _Compare, _Allocator>& __y)
 {
-    return _VSTD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
+    return _STD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
 }
 
 template <class _Key, class _Compare, class _Allocator>
@@ -672,7 +620,6 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(set<_Key, _Compare, _Allocator>& __x,
      set<_Key, _Compare, _Allocator>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }
@@ -705,16 +652,12 @@ public:
     typedef typename __base::difference_type       difference_type;
     typedef typename __base::const_iterator        iterator;
     typedef typename __base::const_iterator        const_iterator;
-    typedef _VSTD::reverse_iterator<iterator>       reverse_iterator;
-    typedef _VSTD::reverse_iterator<const_iterator> const_reverse_iterator;
+    typedef _STD::reverse_iterator<iterator>       reverse_iterator;
+    typedef _STD::reverse_iterator<const_iterator> const_reverse_iterator;
 
     // construct/copy/destroy:
     _LIBCPP_INLINE_VISIBILITY
     explicit multiset(const value_compare& __comp = value_compare())
-        _NOEXCEPT_(
-            is_nothrow_default_constructible<allocator_type>::value &&
-            is_nothrow_default_constructible<key_compare>::value &&
-            is_nothrow_copy_constructible<key_compare>::value)
         : __tree_(__comp) {}
     _LIBCPP_INLINE_VISIBILITY
     multiset(const value_compare& __comp, const allocator_type& __a)
@@ -745,18 +688,10 @@ public:
             insert(__s.begin(), __s.end());
         }
 
-    _LIBCPP_INLINE_VISIBILITY
-    multiset& operator=(const multiset& __s)
-        {
-            __tree_ = __s.__tree_;
-            return *this;
-        }
-
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     multiset(multiset&& __s)
-        _NOEXCEPT_(is_nothrow_move_constructible<__base>::value)
-        : __tree_(_VSTD::move(__s.__tree_)) {}
+        : __tree_(_STD::move(__s.__tree_)) {}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     explicit multiset(const allocator_type& __a)
@@ -796,61 +731,56 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     multiset& operator=(multiset&& __s)
-        _NOEXCEPT_(is_nothrow_move_assignable<__base>::value)
         {
-            __tree_ = _VSTD::move(__s.__tree_);
+            __tree_ = _STD::move(__s.__tree_);
             return *this;
         }
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     _LIBCPP_INLINE_VISIBILITY
-          iterator begin() _NOEXCEPT       {return __tree_.begin();}
+          iterator begin()       {return __tree_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator begin() const _NOEXCEPT {return __tree_.begin();}
+    const_iterator begin() const {return __tree_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-          iterator end() _NOEXCEPT         {return __tree_.end();}
+          iterator end()         {return __tree_.end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator end()   const _NOEXCEPT {return __tree_.end();}
+    const_iterator end()   const {return __tree_.end();}
 
     _LIBCPP_INLINE_VISIBILITY
-          reverse_iterator rbegin() _NOEXCEPT
-            {return reverse_iterator(end());}
+          reverse_iterator rbegin()       {return       reverse_iterator(end());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator rbegin() const _NOEXCEPT
-        {return const_reverse_iterator(end());}
+    const_reverse_iterator rbegin() const {return const_reverse_iterator(end());}
     _LIBCPP_INLINE_VISIBILITY
-          reverse_iterator rend() _NOEXCEPT
-            {return       reverse_iterator(begin());}
+          reverse_iterator rend()         {return       reverse_iterator(begin());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator rend() const _NOEXCEPT
-        {return const_reverse_iterator(begin());}
+    const_reverse_iterator rend()   const {return const_reverse_iterator(begin());}
 
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cbegin()  const _NOEXCEPT {return begin();}
+    const_iterator         cbegin()  const {return begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cend() const _NOEXCEPT {return end();}
+    const_iterator         cend()    const {return end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator crbegin() const _NOEXCEPT {return rbegin();}
+    const_reverse_iterator crbegin() const {return rbegin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator crend() const _NOEXCEPT {return rend();}
+    const_reverse_iterator crend()   const {return rend();}
 
     _LIBCPP_INLINE_VISIBILITY
-    bool empty() const _NOEXCEPT {return __tree_.size() == 0;}
+    bool      empty()    const {return __tree_.size() == 0;}
     _LIBCPP_INLINE_VISIBILITY
-    size_type size() const _NOEXCEPT {return __tree_.size();}
+    size_type size()     const {return __tree_.size();}
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_size() const _NOEXCEPT {return __tree_.max_size();}
+    size_type max_size() const {return __tree_.max_size();}
 
     // modifiers:
 #if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS)
     template <class... _Args>
         _LIBCPP_INLINE_VISIBILITY
         iterator emplace(_Args&&... __args)
-            {return __tree_.__emplace_multi(_VSTD::forward<_Args>(__args)...);}
+            {return __tree_.__emplace_multi(_STD::forward<_Args>(__args)...);}
     template <class... _Args>
         _LIBCPP_INLINE_VISIBILITY
         iterator emplace_hint(const_iterator __p, _Args&&... __args)
-            {return __tree_.__emplace_hint_multi(__p, _VSTD::forward<_Args>(__args)...);}
+            {return __tree_.__emplace_hint_multi(__p, _STD::forward<_Args>(__args)...);}
 #endif  // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS)
     _LIBCPP_INLINE_VISIBILITY
     iterator insert(const value_type& __v)
@@ -858,7 +788,7 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     iterator insert(value_type&& __v)
-        {return __tree_.__insert_multi(_VSTD::move(__v));}
+        {return __tree_.__insert_multi(_STD::move(__v));}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     iterator insert(const_iterator __p, const value_type& __v)
@@ -866,7 +796,7 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     iterator insert(const_iterator __p, value_type&& __v)
-        {return __tree_.__insert_multi(_VSTD::move(__v));}
+        {return __tree_.__insert_multi(_STD::move(__v));}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     template <class _InputIterator>
         _LIBCPP_INLINE_VISIBILITY
@@ -888,15 +818,13 @@ public:
     iterator  erase(const_iterator __f, const_iterator __l)
         {return __tree_.erase(__f, __l);}
     _LIBCPP_INLINE_VISIBILITY
-    void clear() _NOEXCEPT {__tree_.clear();}
+    void clear() {__tree_.clear();}
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(multiset& __s)
-        _NOEXCEPT_(__is_nothrow_swappable<__base>::value)
-        {__tree_.swap(__s.__tree_);}
+    void swap(multiset& __s) {__tree_.swap(__s.__tree_);}
 
     _LIBCPP_INLINE_VISIBILITY
-    allocator_type get_allocator() const _NOEXCEPT {return __tree_.__alloc();}
+    allocator_type get_allocator() const {return __tree_.__alloc();}
     _LIBCPP_INLINE_VISIBILITY
     key_compare    key_comp()      const {return __tree_.value_comp();}
     _LIBCPP_INLINE_VISIBILITY
@@ -934,13 +862,13 @@ public:
 
 template <class _Key, class _Compare, class _Allocator>
 multiset<_Key, _Compare, _Allocator>::multiset(multiset&& __s, const allocator_type& __a)
-    : __tree_(_VSTD::move(__s.__tree_), __a)
+    : __tree_(_STD::move(__s.__tree_), __a)
 {
     if (__a != __s.get_allocator())
     {
         const_iterator __e = cend();
         while (!__s.empty())
-            insert(__e, _VSTD::move(__s.__tree_.remove(__s.begin())->__value_));
+            insert(__e, _STD::move(__s.__tree_.remove(__s.begin())->__value_));
     }
 }
 
@@ -952,7 +880,7 @@ bool
 operator==(const multiset<_Key, _Compare, _Allocator>& __x,
            const multiset<_Key, _Compare, _Allocator>& __y)
 {
-    return __x.size() == __y.size() && _VSTD::equal(__x.begin(), __x.end(), __y.begin());
+    return __x.size() == __y.size() && _STD::equal(__x.begin(), __x.end(), __y.begin());
 }
 
 template <class _Key, class _Compare, class _Allocator>
@@ -961,7 +889,7 @@ bool
 operator< (const multiset<_Key, _Compare, _Allocator>& __x,
            const multiset<_Key, _Compare, _Allocator>& __y)
 {
-    return _VSTD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
+    return _STD::lexicographical_compare(__x.begin(), __x.end(), __y.begin(), __y.end());
 }
 
 template <class _Key, class _Compare, class _Allocator>
@@ -1005,7 +933,6 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(multiset<_Key, _Compare, _Allocator>& __x,
      multiset<_Key, _Compare, _Allocator>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }

include/sstream

@@ -261,7 +261,7 @@ basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(basic_stringbuf&&
     ptrdiff_t __nout = __rhs.pptr()  - __rhs.pbase();
     ptrdiff_t __eout = __rhs.epptr() - __rhs.pbase();
     ptrdiff_t __hm   = __rhs.__hm_   - __rhs.pbase();
-    __str_ = _VSTD::move(__rhs.__str_);
+    __str_ = _STD::move(__rhs.__str_);
     char_type* __p = const_cast<char_type*>(__str_.data());
     this->setg(__p, __p + __ninp, __p + __einp);
     this->setp(__p, __p + __eout);
@@ -284,7 +284,7 @@ basic_stringbuf<_CharT, _Traits, _Allocator>::operator=(basic_stringbuf&& __rhs)
     ptrdiff_t __eout = __rhs.epptr() - __rhs.pbase();
     ptrdiff_t __hm   = __rhs.__hm_   - __rhs.pbase();
     __mode_ = __rhs.__mode_;
-    __str_ = _VSTD::move(__rhs.__str_);
+    __str_ = _STD::move(__rhs.__str_);
     char_type* __p = const_cast<char_type*>(__str_.data());
     this->setg(__p, __p + __ninp, __p + __einp);
     this->setp(__p, __p + __eout);
@@ -314,7 +314,7 @@ basic_stringbuf<_CharT, _Traits, _Allocator>::swap(basic_stringbuf& __rhs)
     ptrdiff_t __lnout = this->pptr()  - this->pbase();
     ptrdiff_t __leout = this->epptr() - this->pbase();
     ptrdiff_t __lhm   = this->__hm_   - this->pbase();
-    _VSTD::swap(__mode_, __rhs.__mode_);
+    _STD::swap(__mode_, __rhs.__mode_);
     __str_.swap(__rhs.__str_);
     char_type* __p = const_cast<char_type*>(__str_.data());
     this->setg(__p, __p + __rninp, __p + __reinp);
@@ -451,7 +451,7 @@ basic_stringbuf<_CharT, _Traits, _Allocator>::overflow(int_type __c)
             }
 #endif  // _LIBCPP_NO_EXCEPTIONS
         }
-        __hm_ = _VSTD::max(this->pptr() + 1, __hm_);
+        __hm_ = _STD::max(this->pptr() + 1, __hm_);
         if (__mode_ & ios_base::in)
         {
             char_type* __p = const_cast<char_type*>(__str_.data());
@@ -582,8 +582,8 @@ basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(const stri
 template <class _CharT, class _Traits, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 basic_istringstream<_CharT, _Traits, _Allocator>::basic_istringstream(basic_istringstream&& __rhs)
-    : basic_istream<_CharT, _Traits>(_VSTD::move(__rhs)),
-      __sb_(_VSTD::move(__rhs.__sb_))
+    : basic_istream<_CharT, _Traits>(_STD::move(__rhs)),
+      __sb_(_STD::move(__rhs.__sb_))
 {
     basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_);
 }
@@ -592,8 +592,8 @@ template <class _CharT, class _Traits, class _Allocator>
 basic_istringstream<_CharT, _Traits, _Allocator>&
 basic_istringstream<_CharT, _Traits, _Allocator>::operator=(basic_istringstream&& __rhs)
 {
-    basic_istream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
-    __sb_ = _VSTD::move(__rhs.__sb_);
+    basic_istream<char_type, traits_type>::operator=(_STD::move(__rhs));
+    __sb_ = _STD::move(__rhs.__sb_);
     return *this;
 }
 
@@ -701,8 +701,8 @@ basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(const stri
 template <class _CharT, class _Traits, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 basic_ostringstream<_CharT, _Traits, _Allocator>::basic_ostringstream(basic_ostringstream&& __rhs)
-    : basic_ostream<_CharT, _Traits>(_VSTD::move(__rhs)),
-      __sb_(_VSTD::move(__rhs.__sb_))
+    : basic_ostream<_CharT, _Traits>(_STD::move(__rhs)),
+      __sb_(_STD::move(__rhs.__sb_))
 {
     basic_ostream<_CharT, _Traits>::set_rdbuf(&__sb_);
 }
@@ -711,8 +711,8 @@ template <class _CharT, class _Traits, class _Allocator>
 basic_ostringstream<_CharT, _Traits, _Allocator>&
 basic_ostringstream<_CharT, _Traits, _Allocator>::operator=(basic_ostringstream&& __rhs)
 {
-    basic_ostream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
-    __sb_ = _VSTD::move(__rhs.__sb_);
+    basic_ostream<char_type, traits_type>::operator=(_STD::move(__rhs));
+    __sb_ = _STD::move(__rhs.__sb_);
     return *this;
 }
 
@@ -820,8 +820,8 @@ basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(const string
 template <class _CharT, class _Traits, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 basic_stringstream<_CharT, _Traits, _Allocator>::basic_stringstream(basic_stringstream&& __rhs)
-    : basic_iostream<_CharT, _Traits>(_VSTD::move(__rhs)),
-      __sb_(_VSTD::move(__rhs.__sb_))
+    : basic_iostream<_CharT, _Traits>(_STD::move(__rhs)),
+      __sb_(_STD::move(__rhs.__sb_))
 {
     basic_istream<_CharT, _Traits>::set_rdbuf(&__sb_);
 }
@@ -830,8 +830,8 @@ template <class _CharT, class _Traits, class _Allocator>
 basic_stringstream<_CharT, _Traits, _Allocator>&
 basic_stringstream<_CharT, _Traits, _Allocator>::operator=(basic_stringstream&& __rhs)
 {
-    basic_iostream<char_type, traits_type>::operator=(_VSTD::move(__rhs));
-    __sb_ = _VSTD::move(__rhs.__sb_);
+    basic_iostream<char_type, traits_type>::operator=(_STD::move(__rhs));
+    __sb_ = _STD::move(__rhs.__sb_);
     return *this;
 }
 

include/stack

@@ -31,21 +31,14 @@ protected:
     container_type c;
 
 public:
-    stack() = default;
-    ~stack() = default;
-
-    stack(const stack& q) = default;
-    stack(stack&& q) = default;
-
-    stack& operator=(const stack& q) = default;
-    stack& operator=(stack&& q) = default;
-
+    explicit stack();
     explicit stack(const container_type& c);
     explicit stack(container_type&& c);
+    stack(stack&& s);
+    stack& operator=(stack&& s);
     template <class Alloc> explicit stack(const Alloc& a);
     template <class Alloc> stack(const container_type& c, const Alloc& a);
     template <class Alloc> stack(container_type&& c, const Alloc& a);
-    template <class Alloc> stack(const stack& c, const Alloc& a);
     template <class Alloc> stack(stack&& c, const Alloc& a);
 
     bool empty() const;
@@ -58,7 +51,7 @@ public:
     template <class... Args> void emplace(Args&&... args);
     void pop();
 
-    void swap(stack& c) noexcept(noexcept(swap(c, q.c)));
+    void swap(stack& c);
 };
 
 template <class T, class Container>
@@ -75,8 +68,7 @@ template <class T, class Container>
   bool operator<=(const stack<T, Container>& x, const stack<T, Container>& y);
 
 template <class T, class Container>
-  void swap(stack<T, Container>& x, stack<T, Container>& y)
-  noexcept(noexcept(x.swap(y)));
+  void swap(stack<T, Container>& x, stack<T, Container>& y);
 
 }  // std
 
@@ -114,35 +106,16 @@ protected:
 
 public:
     _LIBCPP_INLINE_VISIBILITY
-    stack()
-        _NOEXCEPT_(is_nothrow_default_constructible<container_type>::value)
-        : c() {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    stack(const stack& __q) : c(__q.c) {}
-
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
-    stack(stack&& __q)
-        _NOEXCEPT_(is_nothrow_move_constructible<container_type>::value)
-        : c(_VSTD::move(__q.c)) {}
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
-    _LIBCPP_INLINE_VISIBILITY
-    stack& operator=(const stack& __q) {c = __q.c; return *this;}
-
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
-    stack& operator=(stack&& __q)
-        _NOEXCEPT_(is_nothrow_move_assignable<container_type>::value)
-        {c = _VSTD::move(__q.c); return *this;}
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
+    stack() : c() {}
     _LIBCPP_INLINE_VISIBILITY
     explicit stack(const container_type& __c) : c(__c) {}
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
-    explicit stack(container_type&& __c) : c(_VSTD::move(__c)) {}
+    explicit stack(container_type&& __c) : c(_STD::move(__c)) {}
+    _LIBCPP_INLINE_VISIBILITY
+    stack(stack&& __s) : c(_STD::move(__s.c)) {}
+    _LIBCPP_INLINE_VISIBILITY
+    stack& operator=(stack&& __s) {c = _STD::move(__s.c); return *this;}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     template <class _Alloc>
         _LIBCPP_INLINE_VISIBILITY
@@ -168,13 +141,13 @@ public:
         stack(container_type&& __c, const _Alloc& __a,
               typename enable_if<uses_allocator<container_type,
                                                 _Alloc>::value>::type* = 0)
-            : c(_VSTD::move(__c), __a) {}
+            : c(_STD::move(__c), __a) {}
     template <class _Alloc>
         _LIBCPP_INLINE_VISIBILITY
         stack(stack&& __s, const _Alloc& __a,
               typename enable_if<uses_allocator<container_type,
                                                 _Alloc>::value>::type* = 0)
-            : c(_VSTD::move(__s.c), __a) {}
+            : c(_STD::move(__s.c), __a) {}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     _LIBCPP_INLINE_VISIBILITY
@@ -190,12 +163,12 @@ public:
     void push(const value_type& __v) {c.push_back(__v);}
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
-    void push(value_type&& __v) {c.push_back(_VSTD::move(__v));}
+    void push(value_type&& __v) {c.push_back(_STD::move(__v));}
 #ifndef _LIBCPP_HAS_NO_VARIADICS
     template <class... _Args>
         _LIBCPP_INLINE_VISIBILITY
         void emplace(_Args&&... __args)
-        {c.emplace_back(_VSTD::forward<_Args>(__args)...);}
+        {c.emplace_back(_STD::forward<_Args>(__args)...);}
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
@@ -203,9 +176,8 @@ public:
 
     _LIBCPP_INLINE_VISIBILITY
     void swap(stack& __s)
-        _NOEXCEPT_(__is_nothrow_swappable<container_type>::value)
     {
-        using _VSTD::swap;
+        using _STD::swap;
         swap(c, __s.c);
     }
 
@@ -272,7 +244,6 @@ template <class _Tp, class _Container>
 inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(stack<_Tp, _Container>& __x, stack<_Tp, _Container>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }

include/stdexcept

@@ -33,9 +33,9 @@ class xxx_error : public exception // at least indirectly
 {
 public:
     explicit xxx_error(const string& what_arg);
-    explicit xxx_error(const char*   what_arg);
+    explicit xxx_error(const char*   what_arg);  // extension
 
-    virtual const char* what() const noexcept // returns what_arg
+    virtual const char* what() const // returns what_arg
 };
 
 }  // std
@@ -60,12 +60,12 @@ public:
     explicit logic_error(const string&);
     explicit logic_error(const char*);
 
-    logic_error(const logic_error&) _NOEXCEPT;
-    logic_error& operator=(const logic_error&) _NOEXCEPT;
+    logic_error(const logic_error&) throw();
+    logic_error& operator=(const logic_error&) throw();
 
-    virtual ~logic_error() _NOEXCEPT;
+    virtual ~logic_error() throw();
 
-    virtual const char* what() const _NOEXCEPT;
+    virtual const char* what() const throw();
 };
 
 class _LIBCPP_EXCEPTION_ABI runtime_error
@@ -77,12 +77,12 @@ public:
     explicit runtime_error(const string&);
     explicit runtime_error(const char*);
 
-    runtime_error(const runtime_error&) _NOEXCEPT;
-    runtime_error& operator=(const runtime_error&) _NOEXCEPT;
+    runtime_error(const runtime_error&) throw();
+    runtime_error& operator=(const runtime_error&) throw();
 
-    virtual ~runtime_error() _NOEXCEPT;
+    virtual ~runtime_error() throw();
 
-    virtual const char* what() const _NOEXCEPT;
+    virtual const char* what() const throw();
 };
 
 class _LIBCPP_EXCEPTION_ABI domain_error
@@ -92,7 +92,7 @@ public:
     _LIBCPP_INLINE_VISIBILITY explicit domain_error(const string& __s) : logic_error(__s) {}
     _LIBCPP_INLINE_VISIBILITY explicit domain_error(const char* __s)   : logic_error(__s) {}
 
-    virtual ~domain_error() _NOEXCEPT;
+    virtual ~domain_error() throw();
 };
 
 class _LIBCPP_EXCEPTION_ABI invalid_argument
@@ -102,7 +102,7 @@ public:
     _LIBCPP_INLINE_VISIBILITY explicit invalid_argument(const string& __s) : logic_error(__s) {}
     _LIBCPP_INLINE_VISIBILITY explicit invalid_argument(const char* __s)   : logic_error(__s) {}
 
-    virtual ~invalid_argument() _NOEXCEPT;
+    virtual ~invalid_argument() throw();
 };
 
 class _LIBCPP_EXCEPTION_ABI length_error
@@ -112,7 +112,7 @@ public:
     _LIBCPP_INLINE_VISIBILITY explicit length_error(const string& __s) : logic_error(__s) {}
     _LIBCPP_INLINE_VISIBILITY explicit length_error(const char* __s)   : logic_error(__s) {}
 
-    virtual ~length_error() _NOEXCEPT;
+    virtual ~length_error() throw();
 };
 
 class _LIBCPP_EXCEPTION_ABI out_of_range
@@ -122,7 +122,7 @@ public:
     _LIBCPP_INLINE_VISIBILITY explicit out_of_range(const string& __s) : logic_error(__s) {}
     _LIBCPP_INLINE_VISIBILITY explicit out_of_range(const char* __s)   : logic_error(__s) {}
 
-    virtual ~out_of_range() _NOEXCEPT;
+    virtual ~out_of_range() throw();
 };
 
 class _LIBCPP_EXCEPTION_ABI range_error
@@ -132,7 +132,7 @@ public:
     _LIBCPP_INLINE_VISIBILITY explicit range_error(const string& __s) : runtime_error(__s) {}
     _LIBCPP_INLINE_VISIBILITY explicit range_error(const char* __s)   : runtime_error(__s) {}
 
-    virtual ~range_error() _NOEXCEPT;
+    virtual ~range_error() throw();
 };
 
 class _LIBCPP_EXCEPTION_ABI overflow_error
@@ -142,7 +142,7 @@ public:
     _LIBCPP_INLINE_VISIBILITY explicit overflow_error(const string& __s) : runtime_error(__s) {}
     _LIBCPP_INLINE_VISIBILITY explicit overflow_error(const char* __s)   : runtime_error(__s) {}
 
-    virtual ~overflow_error() _NOEXCEPT;
+    virtual ~overflow_error() throw();
 };
 
 class _LIBCPP_EXCEPTION_ABI underflow_error
@@ -152,7 +152,7 @@ public:
     _LIBCPP_INLINE_VISIBILITY explicit underflow_error(const string& __s) : runtime_error(__s) {}
     _LIBCPP_INLINE_VISIBILITY explicit underflow_error(const char* __s)   : runtime_error(__s) {}
 
-    virtual ~underflow_error() _NOEXCEPT;
+    virtual ~underflow_error() throw();
 };
 
 }  // std

include/streambuf

@@ -399,13 +399,13 @@ template <class _CharT, class _Traits>
 void
 basic_streambuf<_CharT, _Traits>::swap(basic_streambuf& __sb)
 {
-    _VSTD::swap(__loc_, __sb.__loc_);
-    _VSTD::swap(__binp_, __sb.__binp_);
-    _VSTD::swap(__ninp_, __sb.__ninp_);
-    _VSTD::swap(__einp_, __sb.__einp_);
-    _VSTD::swap(__bout_, __sb.__bout_);
-    _VSTD::swap(__nout_, __sb.__nout_);
-    _VSTD::swap(__eout_, __sb.__eout_);
+    _STD::swap(__loc_, __sb.__loc_);
+    _STD::swap(__binp_, __sb.__binp_);
+    _STD::swap(__ninp_, __sb.__ninp_);
+    _STD::swap(__einp_, __sb.__einp_);
+    _STD::swap(__bout_, __sb.__bout_);
+    _STD::swap(__nout_, __sb.__nout_);
+    _STD::swap(__eout_, __sb.__eout_);
 }
 
 template <class _CharT, class _Traits>

include/strstream

@@ -150,9 +150,7 @@ public:
     strstreambuf(const unsigned char* __gnext, streamsize __n);
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
     strstreambuf(strstreambuf&& __rhs);
-    _LIBCPP_INLINE_VISIBILITY
     strstreambuf& operator=(strstreambuf&& __rhs);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
@@ -189,43 +187,6 @@ private:
     void __init(char* __gnext, streamsize __n, char* __pbeg);
 };
 
-#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
-inline _LIBCPP_INLINE_VISIBILITY
-strstreambuf::strstreambuf(strstreambuf&& __rhs)
-    : streambuf(__rhs),
-      __strmode_(__rhs.__strmode_),
-      __alsize_(__rhs.__alsize_),
-      __palloc_(__rhs.__palloc_),
-      __pfree_(__rhs.__pfree_)
-{
-    __rhs.setg(nullptr, nullptr, nullptr);
-    __rhs.setp(nullptr, nullptr);
-}
-
-inline _LIBCPP_INLINE_VISIBILITY
-strstreambuf&
-strstreambuf::operator=(strstreambuf&& __rhs)
-{
-    if (eback() && (__strmode_ & __allocated) != 0 && (__strmode_ & __frozen) == 0)
-    {
-        if (__pfree_)
-            __pfree_(eback());
-        else
-            delete [] eback();
-    }
-    streambuf::operator=(__rhs);
-    __strmode_ = __rhs.__strmode_;
-    __alsize_ = __rhs.__alsize_;
-    __palloc_ = __rhs.__palloc_;
-    __pfree_ = __rhs.__pfree_;
-    __rhs.setg(nullptr, nullptr, nullptr);
-    __rhs.setp(nullptr, nullptr);
-    return *this;
-}
-
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
 class _LIBCPP_VISIBLE istrstream
     : public istream
 {
@@ -246,8 +207,8 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     istrstream(istrstream&& __rhs)
-        : istream(_VSTD::move(__rhs)),
-          __sb_(_VSTD::move(__rhs.__sb_))
+        : istream(_STD::move(__rhs)),
+          __sb_(_STD::move(__rhs.__sb_))
     {
         istream::set_rdbuf(&__sb_);
     }
@@ -255,8 +216,8 @@ public:
     _LIBCPP_INLINE_VISIBILITY
     istrstream& operator=(istrstream&& __rhs)
     {
-        istream::operator=(_VSTD::move(__rhs));
-        __sb_ = _VSTD::move(__rhs.__sb_);
+        istream::operator=(_STD::move(__rhs));
+        __sb_ = _STD::move(__rhs.__sb_);
         return *this;
     }
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -295,8 +256,8 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     ostrstream(ostrstream&& __rhs)
-        : ostream(_VSTD::move(__rhs)),
-          __sb_(_VSTD::move(__rhs.__sb_))
+        : ostream(_STD::move(__rhs)),
+          __sb_(_STD::move(__rhs.__sb_))
     {
         ostream::set_rdbuf(&__sb_);
     }
@@ -304,8 +265,8 @@ public:
     _LIBCPP_INLINE_VISIBILITY
     ostrstream& operator=(ostrstream&& __rhs)
     {
-        ostream::operator=(_VSTD::move(__rhs));
-        __sb_ = _VSTD::move(__rhs.__sb_);
+        ostream::operator=(_STD::move(__rhs));
+        __sb_ = _STD::move(__rhs.__sb_);
         return *this;
     }
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -355,8 +316,8 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     strstream(strstream&& __rhs)
-        : iostream(_VSTD::move(__rhs)),
-          __sb_(_VSTD::move(__rhs.__sb_))
+        : iostream(_STD::move(__rhs)),
+          __sb_(_STD::move(__rhs.__sb_))
     {
         iostream::set_rdbuf(&__sb_);
     }
@@ -364,8 +325,8 @@ public:
     _LIBCPP_INLINE_VISIBILITY
     strstream& operator=(strstream&& __rhs)
     {
-        iostream::operator=(_VSTD::move(__rhs));
-        __sb_ = _VSTD::move(__rhs.__sb_);
+        iostream::operator=(_STD::move(__rhs));
+        __sb_ = _STD::move(__rhs.__sb_);
         return *this;
     }
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES

include/system_error

@@ -20,24 +20,24 @@ namespace std
 class error_category
 {
 public:
-    virtual ~error_category() noexcept;
+    virtual ~error_category();
 
     error_category(const error_category&) = delete;
     error_category& operator=(const error_category&) = delete;
 
-    virtual const char* name() const noexcept = 0;
-    virtual error_condition default_error_condition(int ev) const noexcept;
-    virtual bool equivalent(int code, const error_condition& condition) const noexcept;
-    virtual bool equivalent(const error_code& code, int condition) const noexcept;
+    virtual const char* name() const = 0;
+    virtual error_condition default_error_condition(int ev) const;
+    virtual bool equivalent(int code, const error_condition& condition) const;
+    virtual bool equivalent(const error_code& code, int condition) const;
     virtual string message(int ev) const = 0;
 
-    bool operator==(const error_category& rhs) const noexcept;
-    bool operator!=(const error_category& rhs) const noexcept;
-    bool operator<(const error_category& rhs) const noexcept;
+    bool operator==(const error_category& rhs) const;
+    bool operator!=(const error_category& rhs) const;
+    bool operator<(const error_category& rhs) const;
 };
 
-const error_category& generic_category() noexcept;
-const error_category& system_category() noexcept;
+const error_category& generic_category();
+const error_category& system_category();
 
 template <class T> struct is_error_code_enum
     : public false_type {};
@@ -49,27 +49,27 @@ class error_code
 {
 public:
     // constructors:
-    error_code() noexcept;
-    error_code(int val, const error_category& cat) noexcept;
+    error_code();
+    error_code(int val, const error_category& cat);
     template <class ErrorCodeEnum>
-        error_code(ErrorCodeEnum e) noexcept;
+        error_code(ErrorCodeEnum e);
 
     // modifiers:
-    void assign(int val, const error_category& cat) noexcept;
+    void assign(int val, const error_category& cat);
     template <class ErrorCodeEnum>
-        error_code& operator=(ErrorCodeEnum e) noexcept;
-    void clear() noexcept;
+        error_code& operator=(ErrorCodeEnum e);
+    void clear();
 
     // observers:
-    int value() const noexcept;
-    const error_category& category() const noexcept;
-    error_condition default_error_condition() const noexcept;
+    int value() const;
+    const error_category& category() const;
+    error_condition default_error_condition() const;
     string message() const;
-    explicit operator bool() const noexcept;
+    explicit operator bool() const;
 };
 
 // non-member functions:
-bool operator<(const error_code& lhs, const error_code& rhs) noexcept;
+bool operator<(const error_code& lhs, const error_code& rhs);
 template <class charT, class traits>
     basic_ostream<charT,traits>&
     operator<<(basic_ostream<charT,traits>& os, const error_code& ec);
@@ -78,25 +78,25 @@ class error_condition
 {
 public:
     // constructors:
-    error_condition() noexcept;
-    error_condition(int val, const error_category& cat) noexcept;
+    error_condition();
+    error_condition(int val, const error_category& cat);
     template <class ErrorConditionEnum>
-        error_condition(ErrorConditionEnum e) noexcept;
+        error_condition(ErrorConditionEnum e);
 
     // modifiers:
-    void assign(int val, const error_category& cat) noexcept;
+    void assign(int val, const error_category& cat);
     template <class ErrorConditionEnum>
-        error_condition& operator=(ErrorConditionEnum e) noexcept;
-    void clear() noexcept;
+        error_condition& operator=(ErrorConditionEnum e);
+    void clear();
 
     // observers:
-    int value() const noexcept;
-    const error_category& category() const noexcept;
-    string message() const noexcept;
-    explicit operator bool() const noexcept;
+    int value() const;
+    const error_category& category() const;
+    string message() const;
+    explicit operator bool() const;
 };
 
-bool operator<(const error_condition& lhs, const error_condition& rhs) noexcept;
+bool operator<(const error_condition& lhs, const error_condition& rhs);
 
 class system_error
     : public runtime_error
@@ -109,8 +109,8 @@ public:
     system_error(int ev, const error_category& ecat, const char* what_arg);
     system_error(int ev, const error_category& ecat);
 
-    const error_code& code() const noexcept;
-    const char* what() const noexcept;
+    const error_code& code() const throw();
+    const char* what() const throw();
 };
 
 enum class errc
@@ -198,18 +198,18 @@ enum class errc
 template <> struct is_error_condition_enum<errc>
     : true_type { }
 
-error_code make_error_code(errc e) noexcept;
-error_condition make_error_condition(errc e) noexcept;
+error_code make_error_code(errc e);
+error_condition make_error_condition(errc e);
 
 // Comparison operators:
-bool operator==(const error_code& lhs, const error_code& rhs) noexcept;
-bool operator==(const error_code& lhs, const error_condition& rhs) noexcept;
-bool operator==(const error_condition& lhs, const error_code& rhs) noexcept;
-bool operator==(const error_condition& lhs, const error_condition& rhs) noexcept;
-bool operator!=(const error_code& lhs, const error_code& rhs) noexcept;
-bool operator!=(const error_code& lhs, const error_condition& rhs) noexcept;
-bool operator!=(const error_condition& lhs, const error_code& rhs) noexcept;
-bool operator!=(const error_condition& lhs, const error_condition& rhs) noexcept;
+bool operator==(const error_code& lhs, const error_code& rhs);
+bool operator==(const error_code& lhs, const error_condition& rhs);
+bool operator==(const error_condition& lhs, const error_code& rhs);
+bool operator==(const error_condition& lhs, const error_condition& rhs);
+bool operator!=(const error_code& lhs, const error_code& rhs);
+bool operator!=(const error_code& lhs, const error_condition& rhs);
+bool operator!=(const error_condition& lhs, const error_code& rhs);
+bool operator!=(const error_condition& lhs, const error_condition& rhs);
 
 template <> struct hash<std::error_code>;
 
@@ -369,28 +369,28 @@ class __do_message;
 class _LIBCPP_VISIBLE error_category
 {
 public:
-    virtual ~error_category() _NOEXCEPT;
+    virtual ~error_category();
 
 private:
-    error_category() _NOEXCEPT;
+    error_category();
     error_category(const error_category&);// = delete;
     error_category& operator=(const error_category&);// = delete;
 
 public:
-    virtual const char* name() const _NOEXCEPT = 0;
-    virtual error_condition default_error_condition(int __ev) const _NOEXCEPT;
-    virtual bool equivalent(int __code, const error_condition& __condition) const _NOEXCEPT;
-    virtual bool equivalent(const error_code& __code, int __condition) const _NOEXCEPT;
+    virtual const char* name() const = 0;
+    virtual error_condition default_error_condition(int __ev) const;
+    virtual bool equivalent(int __code, const error_condition& __condition) const;
+    virtual bool equivalent(const error_code& __code, int __condition) const;
     virtual string message(int __ev) const = 0;
 
     _LIBCPP_ALWAYS_INLINE
-    bool operator==(const error_category& __rhs) const _NOEXCEPT {return this == &__rhs;}
+    bool operator==(const error_category& __rhs) const {return this == &__rhs;}
 
     _LIBCPP_ALWAYS_INLINE
-    bool operator!=(const error_category& __rhs) const _NOEXCEPT {return !(*this == __rhs);}
+    bool operator!=(const error_category& __rhs) const {return !(*this == __rhs);}
 
     _LIBCPP_ALWAYS_INLINE
-    bool operator< (const error_category& __rhs) const _NOEXCEPT {return this < &__rhs;}
+    bool operator< (const error_category& __rhs) const {return this < &__rhs;}
 
     friend class __do_message;
 };
@@ -402,8 +402,8 @@ public:
     virtual string message(int ev) const;
 };
 
-const error_category& generic_category() _NOEXCEPT;
-const error_category& system_category() _NOEXCEPT;
+const error_category& generic_category();
+const error_category& system_category();
 
 class _LIBCPP_VISIBLE error_condition
 {
@@ -411,21 +411,19 @@ class _LIBCPP_VISIBLE error_condition
     const error_category* __cat_;
 public:
     _LIBCPP_ALWAYS_INLINE
-    error_condition() _NOEXCEPT : __val_(0), __cat_(&generic_category()) {}
+    error_condition() : __val_(0), __cat_(&generic_category()) {}
 
     _LIBCPP_ALWAYS_INLINE
-    error_condition(int __val, const error_category& __cat) _NOEXCEPT
+    error_condition(int __val, const error_category& __cat)
         : __val_(__val), __cat_(&__cat) {}
 
     template <class _E>
         _LIBCPP_ALWAYS_INLINE
-        error_condition(_E __e,
-              typename enable_if<is_error_condition_enum<_E>::value>::type* = 0
-                                                                     ) _NOEXCEPT
+        error_condition(_E __e, typename enable_if<is_error_condition_enum<_E>::value>::type* = 0)
             {*this = make_error_condition(__e);}
 
     _LIBCPP_ALWAYS_INLINE
-    void assign(int __val, const error_category& __cat) _NOEXCEPT
+    void assign(int __val, const error_category& __cat)
     {
         __val_ = __val;
         __cat_ = &__cat;
@@ -438,38 +436,38 @@ public:
             is_error_condition_enum<_E>::value,
             error_condition&
         >::type
-        operator=(_E __e) _NOEXCEPT
+        operator=(_E __e)
             {*this = make_error_condition(__e); return *this;}
 
     _LIBCPP_ALWAYS_INLINE
-    void clear() _NOEXCEPT
+    void clear()
     {
         __val_ = 0;
         __cat_ = &generic_category();
     }
 
     _LIBCPP_ALWAYS_INLINE
-    int value() const _NOEXCEPT {return __val_;}
+    int value() const {return __val_;}
 
     _LIBCPP_ALWAYS_INLINE
-    const error_category& category() const _NOEXCEPT {return *__cat_;}
+    const error_category& category() const {return *__cat_;}
     string message() const;
 
     _LIBCPP_ALWAYS_INLINE
     //explicit
-        operator bool() const _NOEXCEPT {return __val_ != 0;}
+        operator bool() const {return __val_ != 0;}
 };
 
 inline _LIBCPP_INLINE_VISIBILITY
 error_condition
-make_error_condition(errc __e) _NOEXCEPT
+make_error_condition(errc __e)
 {
     return error_condition(static_cast<int>(__e), generic_category());
 }
 
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator<(const error_condition& __x, const error_condition& __y) _NOEXCEPT
+operator<(const error_condition& __x, const error_condition& __y)
 {
     return __x.category() < __y.category()
         || __x.category() == __y.category() && __x.value() < __y.value();
@@ -483,21 +481,19 @@ class _LIBCPP_VISIBLE error_code
     const error_category* __cat_;
 public:
     _LIBCPP_ALWAYS_INLINE
-    error_code() _NOEXCEPT : __val_(0), __cat_(&system_category()) {}
+    error_code() : __val_(0), __cat_(&system_category()) {}
 
     _LIBCPP_ALWAYS_INLINE
-    error_code(int __val, const error_category& __cat) _NOEXCEPT
+    error_code(int __val, const error_category& __cat)
         : __val_(__val), __cat_(&__cat) {}
 
     template <class _E>
         _LIBCPP_ALWAYS_INLINE
-        error_code(_E __e,
-                   typename enable_if<is_error_code_enum<_E>::value>::type* = 0
-                                                                     ) _NOEXCEPT
+        error_code(_E __e, typename enable_if<is_error_code_enum<_E>::value>::type* = 0)
             {*this = make_error_code(__e);}
 
     _LIBCPP_ALWAYS_INLINE
-    void assign(int __val, const error_category& __cat) _NOEXCEPT
+    void assign(int __val, const error_category& __cat)
     {
         __val_ = __val;
         __cat_ = &__cat;
@@ -510,43 +506,43 @@ public:
             is_error_code_enum<_E>::value,
             error_code&
         >::type
-        operator=(_E __e) _NOEXCEPT
+        operator=(_E __e)
             {*this = make_error_code(__e); return *this;}
 
     _LIBCPP_ALWAYS_INLINE
-    void clear() _NOEXCEPT
+    void clear()
     {
         __val_ = 0;
         __cat_ = &system_category();
     }
 
     _LIBCPP_ALWAYS_INLINE
-    int value() const _NOEXCEPT {return __val_;}
+    int value() const {return __val_;}
 
     _LIBCPP_ALWAYS_INLINE
-    const error_category& category() const _NOEXCEPT {return *__cat_;}
+    const error_category& category() const {return *__cat_;}
 
     _LIBCPP_ALWAYS_INLINE
-    error_condition default_error_condition() const _NOEXCEPT
+    error_condition default_error_condition() const
         {return __cat_->default_error_condition(__val_);}
 
     string message() const;
 
     _LIBCPP_ALWAYS_INLINE
     //explicit
-        operator bool() const _NOEXCEPT {return __val_ != 0;}
+        operator bool() const {return __val_ != 0;}
 };
 
 inline _LIBCPP_INLINE_VISIBILITY
 error_code
-make_error_code(errc __e) _NOEXCEPT
+make_error_code(errc __e)
 {
     return error_code(static_cast<int>(__e), generic_category());
 }
 
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator<(const error_code& __x, const error_code& __y) _NOEXCEPT
+operator<(const error_code& __x, const error_code& __y)
 {
     return __x.category() < __y.category()
         || __x.category() == __y.category() && __x.value() < __y.value();
@@ -554,14 +550,14 @@ operator<(const error_code& __x, const error_code& __y) _NOEXCEPT
 
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator==(const error_code& __x, const error_code& __y) _NOEXCEPT
+operator==(const error_code& __x, const error_code& __y)
 {
     return __x.category() == __y.category() && __x.value() == __y.value();
 }
 
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator==(const error_code& __x, const error_condition& __y) _NOEXCEPT
+operator==(const error_code& __x, const error_condition& __y)
 {
     return __x.category().equivalent(__x.value(), __y)
         || __y.category().equivalent(__x, __y.value());
@@ -569,44 +565,40 @@ operator==(const error_code& __x, const error_condition& __y) _NOEXCEPT
 
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator==(const error_condition& __x, const error_code& __y) _NOEXCEPT
+operator==(const error_condition& __x, const error_code& __y)
 {
     return __y == __x;
 }
 
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator==(const error_condition& __x, const error_condition& __y) _NOEXCEPT
+operator==(const error_condition& __x, const error_condition& __y)
 {
     return __x.category() == __y.category() && __x.value() == __y.value();
 }
 
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator!=(const error_code& __x, const error_code& __y) _NOEXCEPT
-{return !(__x == __y);}
+operator!=(const error_code& __x, const error_code& __y) {return !(__x == __y);}
 
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator!=(const error_code& __x, const error_condition& __y) _NOEXCEPT
-{return !(__x == __y);}
+operator!=(const error_code& __x, const error_condition& __y) {return !(__x == __y);}
 
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator!=(const error_condition& __x, const error_code& __y) _NOEXCEPT
-{return !(__x == __y);}
+operator!=(const error_condition& __x, const error_code& __y) {return !(__x == __y);}
 
 inline _LIBCPP_INLINE_VISIBILITY
 bool
-operator!=(const error_condition& __x, const error_condition& __y) _NOEXCEPT
-{return !(__x == __y);}
+operator!=(const error_condition& __x, const error_condition& __y) {return !(__x == __y);}
 
 template <>
 struct _LIBCPP_VISIBLE hash<error_code>
     : public unary_function<error_code, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(const error_code& __ec) const _NOEXCEPT
+    size_t operator()(const error_code& __ec) const
     {
         return static_cast<size_t>(__ec.value());
     }
@@ -625,10 +617,10 @@ public:
     system_error(int __ev, const error_category& __ecat, const string& __what_arg);
     system_error(int __ev, const error_category& __ecat, const char* __what_arg);
     system_error(int __ev, const error_category& __ecat);
-    ~system_error() _NOEXCEPT;
+    ~system_error() throw();
 
     _LIBCPP_ALWAYS_INLINE
-    const error_code& code() const _NOEXCEPT {return __ec_;}
+    const error_code& code() const throw() {return __ec_;}
 
 private:
     static string __init(const error_code&, string);

include/thread

@@ -95,9 +95,6 @@ void sleep_for(const chrono::duration<Rep, Period>& rel_time);
 #include <system_error>
 #include <chrono>
 #include <__mutex_base>
-#ifndef _LIBCPP_HAS_NO_VARIADICS
-#include <tuple>
-#endif
 #include <pthread.h>
 
 #pragma GCC system_header
@@ -284,7 +281,7 @@ public:
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(thread& __t) {_VSTD::swap(__t_, __t.__t_);}
+    void swap(thread& __t) {_STD::swap(__t_, __t.__t_);}
 
     _LIBCPP_INLINE_VISIBILITY
     bool joinable() const {return __t_ != 0;}
@@ -318,44 +315,6 @@ public:
 
 __thread_specific_ptr<__thread_struct>& __thread_local_data();
 
-#ifndef _LIBCPP_HAS_NO_VARIADICS
-
-template <class _F, class ..._Args, size_t ..._Indices>
-inline _LIBCPP_INLINE_VISIBILITY
-void
-__threaad_execute(tuple<_F, _Args...>& __t, __tuple_indices<_Indices...>)
-{
-    __invoke(_VSTD::move(_VSTD::get<0>(__t)), _VSTD::move(_VSTD::get<_Indices>(__t))...);
-}
-
-template <class _F>
-void*
-__thread_proxy(void* __vp)
-{
-    __thread_local_data().reset(new __thread_struct);
-    std::unique_ptr<_F> __p(static_cast<_F*>(__vp));
-    typedef typename __make_tuple_indices<tuple_size<_F>::value, 1>::type _Index;
-    __threaad_execute(*__p, _Index());
-    return nullptr;
-}
-
-template <class _F, class ..._Args,
-          class
-         >
-thread::thread(_F&& __f, _Args&&... __args)
-{
-    typedef tuple<typename decay<_F>::type, typename decay<_Args>::type...> _G;
-    _VSTD::unique_ptr<_G> __p(new _G(__decay_copy(_VSTD::forward<_F>(__f)),
-                                __decay_copy(_VSTD::forward<_Args>(__args))...));
-    int __ec = pthread_create(&__t_, 0, &__thread_proxy<_G>, __p.get());
-    if (__ec == 0)
-        __p.release();
-    else
-        __throw_system_error(__ec, "thread constructor failed");
-}
-
-#else  // _LIBCPP_HAS_NO_VARIADICS
-
 template <class _F>
 void*
 __thread_proxy(void* __vp)
@@ -366,6 +325,25 @@ __thread_proxy(void* __vp)
     return nullptr;
 }
 
+#ifndef _LIBCPP_HAS_NO_VARIADICS
+
+template <class _F, class ..._Args,
+          class
+         >
+thread::thread(_F&& __f, _Args&&... __args)
+{
+    typedef decltype(bind(std::forward<_F>(__f), std::forward<_Args>(__args)...)) _G;
+    std::unique_ptr<_G> __p(new _G(bind(std::forward<_F>(__f),
+                              std::forward<_Args>(__args)...)));
+    int __ec = pthread_create(&__t_, 0, &__thread_proxy<_G>, __p.get());
+    if (__ec == 0)
+        __p.release();
+    else
+        __throw_system_error(__ec, "thread constructor failed");
+}
+
+#else  // _LIBCPP_HAS_NO_VARIADICS
+
 template <class _F>
 thread::thread(_F __f)
 {

include/tuple

@@ -25,7 +25,7 @@ public:
     template <class... U>
         explicit tuple(U&&...);
     tuple(const tuple&) = default;
-    tuple(tuple&&) = default;
+    tuple(tuple&&);
     template <class... U>
         tuple(const tuple<U...>&);
     template <class... U>
@@ -56,8 +56,7 @@ public:
         tuple(allocator_arg_t, const Alloc& a, pair<U1, U2>&&);
 
     tuple& operator=(const tuple&);
-    tuple&
-        operator=(tuple&&) noexcept(AND(is_nothrow_move_assignable<T>::value ...));
+    tuple& operator=(tuple&&);
     template <class... U>
         tuple& operator=(const tuple<U...>&);
     template <class... U>
@@ -67,14 +66,14 @@ public:
     template <class U1, class U2>
         tuple& operator=(pair<U1, U2>&&); //iffsizeof...(T) == 2
 
-    void swap(tuple&) noexcept(AND(swap(declval<T&>(), declval<T&>())...));
+    void swap(tuple&);
 };
 
 const unspecified ignore;
 
 template <class... T> tuple<V...>  make_tuple(T&&...);
-template <class... T> tuple<ATypes...> forward_as_tuple(T&&...) noexcept;
-template <class... T> tuple<T&...> tie(T&...) noexcept;
+template <class... T> tuple<ATypes...> forward_as_tuple(T&&...);
+template <class... T> tuple<T&...> tie(T&...);
 template <class... Tuples> tuple<CTypes...> tuple_cat(Tuples&&... tpls);
   
 // 20.4.1.4, tuple helper classes:
@@ -84,15 +83,9 @@ template <intsize_t I, class T> class tuple_element; // undefined
 template <intsize_t I, class... T> class tuple_element<I, tuple<T...>>;
 
 // 20.4.1.5, element access:
-template <intsize_t I, class... T>
-    typename tuple_element<I, tuple<T...>>::type&
-    get(tuple<T...>&) noexcept;
-template <intsize_t I, class... T>
-    typename tuple_element<I, tuple<T...>>::type const&
-    get(const tuple<T...>&) noexcept;
-template <intsize_t I, class... T>
-    typename tuple_element<I, tuple<T...>>::type&&
-    get(tuple<T...>&&) noexcept;
+template <intsize_t I, class... T> typename tuple_element<I, tuple<T...>>::type& get(tuple<T...>&);
+template <intsize_t I, class... T> typename tuple_element<I, tuple<T...>>::type const& get(const tuple<T...>&);
+template <intsize_t I, class... T> typename tuple_element<I, tuple<T...>>::type&& get(tuple<T...>&&);
 
 // 20.4.1.6, relational operators:
 template<class... T, class... U> bool operator==(const tuple<T...>&, const tuple<U...>&);
@@ -106,8 +99,7 @@ template <class... Types, class Alloc>
   struct uses_allocator<tuple<Types...>, Alloc>;
 
 template <class... Types>
-  void
-  swap(tuple<Types...>& x, tuple<Types...>& y) noexcept(noexcept(x.swap(y)));
+  void swap(tuple<Types...>& x, tuple<Types...>& y);
 
 }  // std
 
@@ -150,7 +142,6 @@ class __tuple_leaf;
 template <size_t _Ip, class _Hp, bool _Ep>
 inline _LIBCPP_INLINE_VISIBILITY
 void swap(__tuple_leaf<_Ip, _Hp, _Ep>& __x, __tuple_leaf<_Ip, _Hp, _Ep>& __y)
-    _NOEXCEPT_(__is_nothrow_swappable<_Hp>::value)
 {
     swap(__x.get(), __y.get());
 }
@@ -191,7 +182,7 @@ public:
               class = typename enable_if<is_constructible<_Hp, _Tp>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         explicit __tuple_leaf(_Tp&& __t)
-            : value(_VSTD::forward<_Tp>(__t))
+            : value(_STD::forward<_Tp>(__t))
         {static_assert(!is_reference<_Hp>::value ||
                         is_lvalue_reference<_Hp>::value &&
                         (is_lvalue_reference<_Tp>::value ||
@@ -207,7 +198,7 @@ public:
     template <class _Tp, class _Alloc>
         _LIBCPP_INLINE_VISIBILITY
         explicit __tuple_leaf(integral_constant<int, 0>, const _Alloc&, _Tp&& __t)
-            : value(_VSTD::forward<_Tp>(__t))
+            : value(_STD::forward<_Tp>(__t))
         {static_assert(!is_lvalue_reference<_Hp>::value ||
                         is_lvalue_reference<_Hp>::value &&
                         (is_lvalue_reference<_Tp>::value ||
@@ -221,7 +212,7 @@ public:
     template <class _Tp, class _Alloc>
         _LIBCPP_INLINE_VISIBILITY
         explicit __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a, _Tp&& __t)
-            : value(allocator_arg_t(), __a, _VSTD::forward<_Tp>(__t))
+            : value(allocator_arg_t(), __a, _STD::forward<_Tp>(__t))
         {static_assert(!is_lvalue_reference<_Hp>::value ||
                         is_lvalue_reference<_Hp>::value &&
                         (is_lvalue_reference<_Tp>::value ||
@@ -235,7 +226,7 @@ public:
     template <class _Tp, class _Alloc>
         _LIBCPP_INLINE_VISIBILITY
         explicit __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a, _Tp&& __t)
-            : value(_VSTD::forward<_Tp>(__t), __a)
+            : value(_STD::forward<_Tp>(__t), __a)
         {static_assert(!is_lvalue_reference<_Hp>::value ||
                         is_lvalue_reference<_Hp>::value &&
                         (is_lvalue_reference<_Tp>::value ||
@@ -260,14 +251,14 @@ public:
         __tuple_leaf&
         operator=(_Tp&& __t)
         {
-            value = _VSTD::forward<_Tp>(__t);
+            value = _STD::forward<_Tp>(__t);
             return *this;
         }
 
     _LIBCPP_INLINE_VISIBILITY
-    int swap(__tuple_leaf& __t) _NOEXCEPT_(__is_nothrow_swappable<__tuple_leaf>::value)
+    int swap(__tuple_leaf& __t)
     {
-        _VSTD::swap(*this, __t);
+        _STD::swap(*this, __t);
         return 0;
     }
 
@@ -302,22 +293,22 @@ public:
               class = typename enable_if<is_constructible<_Hp, _Tp>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         explicit __tuple_leaf(_Tp&& __t)
-            : _Hp(_VSTD::forward<_Tp>(__t)) {}
+            : _Hp(_STD::forward<_Tp>(__t)) {}
 
     template <class _Tp, class _Alloc>
         _LIBCPP_INLINE_VISIBILITY
         explicit __tuple_leaf(integral_constant<int, 0>, const _Alloc&, _Tp&& __t)
-            : _Hp(_VSTD::forward<_Tp>(__t)) {}
+            : _Hp(_STD::forward<_Tp>(__t)) {}
 
     template <class _Tp, class _Alloc>
         _LIBCPP_INLINE_VISIBILITY
         explicit __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a, _Tp&& __t)
-            : _Hp(allocator_arg_t(), __a, _VSTD::forward<_Tp>(__t)) {}
+            : _Hp(allocator_arg_t(), __a, _STD::forward<_Tp>(__t)) {}
 
     template <class _Tp, class _Alloc>
         _LIBCPP_INLINE_VISIBILITY
         explicit __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a, _Tp&& __t)
-            : _Hp(_VSTD::forward<_Tp>(__t), __a) {}
+            : _Hp(_STD::forward<_Tp>(__t), __a) {}
 
     template <class _Tp>
         _LIBCPP_INLINE_VISIBILITY
@@ -329,15 +320,13 @@ public:
         __tuple_leaf&
         operator=(_Tp&& __t)
         {
-            _Hp::operator=(_VSTD::forward<_Tp>(__t));
+            _Hp::operator=(_STD::forward<_Tp>(__t));
             return *this;
         }
 
-    _LIBCPP_INLINE_VISIBILITY
-    int
-    swap(__tuple_leaf& __t) _NOEXCEPT_(__is_nothrow_swappable<__tuple_leaf>::value)
+    _LIBCPP_INLINE_VISIBILITY int swap(__tuple_leaf& __t)
     {
-        _VSTD::swap(*this, __t);
+        _STD::swap(*this, __t);
         return 0;
     }
 
@@ -349,20 +338,6 @@ template <class ..._Tp>
 _LIBCPP_INLINE_VISIBILITY
 void __swallow(_Tp&&...) {}
 
-template <bool ...> struct __all;
-
-template <>
-struct __all<>
-{
-    static const bool value = true;
-};
-
-template <bool _B0, bool ... _B>
-struct __all<_B0, _B...>
-{
-    static const bool value = _B0 && __all<_B...>::value;
-};
-
 // __tuple_impl
 
 template<class _Indx, class ..._Tp> struct __tuple_impl;
@@ -378,7 +353,7 @@ struct __tuple_impl<__tuple_indices<_Indx...>, _Tp...>
         __tuple_impl(__tuple_indices<_Uf...>, __tuple_types<_Tf...>,
                      __tuple_indices<_Ul...>, __tuple_types<_Tl...>,
                      _Up&&... __u) :
-            __tuple_leaf<_Uf, _Tf>(_VSTD::forward<_Up>(__u))...,
+            __tuple_leaf<_Uf, _Tf>(_STD::forward<_Up>(__u))...,
             __tuple_leaf<_Ul, _Tl>()...
             {}
 
@@ -391,7 +366,7 @@ struct __tuple_impl<__tuple_indices<_Indx...>, _Tp...>
                      __tuple_indices<_Ul...>, __tuple_types<_Tl...>,
                      _Up&&... __u) :
             __tuple_leaf<_Uf, _Tf>(__uses_alloc_ctor<_Tf, _Alloc, _Up>(), __a,
-            _VSTD::forward<_Up>(__u))...,
+            _STD::forward<_Up>(__u))...,
             __tuple_leaf<_Ul, _Tl>(__uses_alloc_ctor<_Tl, _Alloc>(), __a)...
             {}
 
@@ -403,8 +378,8 @@ struct __tuple_impl<__tuple_indices<_Indx...>, _Tp...>
              >
         _LIBCPP_INLINE_VISIBILITY
         __tuple_impl(_Tuple&& __t)
-            : __tuple_leaf<_Indx, _Tp>(_VSTD::forward<typename tuple_element<_Indx,
-                                       typename __make_tuple_types<_Tuple>::type>::type>(_VSTD::get<_Indx>(__t)))...
+            : __tuple_leaf<_Indx, _Tp>(_STD::forward<typename tuple_element<_Indx,
+                                       typename __make_tuple_types<_Tuple>::type>::type>(_STD::get<_Indx>(__t)))...
             {}
 
     template <class _Alloc, class _Tuple,
@@ -417,8 +392,8 @@ struct __tuple_impl<__tuple_indices<_Indx...>, _Tp...>
         __tuple_impl(allocator_arg_t, const _Alloc& __a, _Tuple&& __t)
             : __tuple_leaf<_Indx, _Tp>(__uses_alloc_ctor<_Tp, _Alloc, typename tuple_element<_Indx,
                                        typename __make_tuple_types<_Tuple>::type>::type>(), __a,
-                                       _VSTD::forward<typename tuple_element<_Indx,
-                                       typename __make_tuple_types<_Tuple>::type>::type>(_VSTD::get<_Indx>(__t)))...
+                                       _STD::forward<typename tuple_element<_Indx,
+                                       typename __make_tuple_types<_Tuple>::type>::type>(_STD::get<_Indx>(__t)))...
             {}
 
     template <class _Tuple>
@@ -430,14 +405,13 @@ struct __tuple_impl<__tuple_indices<_Indx...>, _Tp...>
         >::type
         operator=(_Tuple&& __t)
         {
-            __swallow(__tuple_leaf<_Indx, _Tp>::operator=(_VSTD::forward<typename tuple_element<_Indx,
-                                       typename __make_tuple_types<_Tuple>::type>::type>(_VSTD::get<_Indx>(__t)))...);
+            __swallow(__tuple_leaf<_Indx, _Tp>::operator=(_STD::forward<typename tuple_element<_Indx,
+                                       typename __make_tuple_types<_Tuple>::type>::type>(_STD::get<_Indx>(__t)))...);
             return *this;
         }
 
     _LIBCPP_INLINE_VISIBILITY
     void swap(__tuple_impl& __t)
-        _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value)
     {
         __swallow(__tuple_leaf<_Indx, _Tp>::swap(static_cast<__tuple_leaf<_Indx, _Tp>&>(__t))...);
     }
@@ -499,7 +473,7 @@ public:
                     typename __make_tuple_types<tuple, sizeof...(_Up)>::type(),
                     typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(),
                     typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(),
-                    _VSTD::forward<_Up>(__u)...) {}
+                    _STD::forward<_Up>(__u)...) {}
 
     template <class _Alloc, class ..._Up,
               class = typename enable_if
@@ -522,7 +496,7 @@ public:
                     typename __make_tuple_types<tuple, sizeof...(_Up)>::type(),
                     typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(),
                     typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(),
-                    _VSTD::forward<_Up>(__u)...) {}
+                    _STD::forward<_Up>(__u)...) {}
 
     template <class _Tuple,
               class = typename enable_if
@@ -532,7 +506,7 @@ public:
              >
         _LIBCPP_INLINE_VISIBILITY
         tuple(_Tuple&& __t)
-            : base_(_VSTD::forward<_Tuple>(__t)) {}
+            : base_(_STD::forward<_Tuple>(__t)) {}
 
     template <class _Alloc, class _Tuple,
               class = typename enable_if
@@ -542,7 +516,7 @@ public:
              >
         _LIBCPP_INLINE_VISIBILITY
         tuple(allocator_arg_t, const _Alloc& __a, _Tuple&& __t)
-            : base_(allocator_arg_t(), __a, _VSTD::forward<_Tuple>(__t)) {}
+            : base_(allocator_arg_t(), __a, _STD::forward<_Tuple>(__t)) {}
 
     template <class _Tuple,
               class = typename enable_if
@@ -554,13 +528,12 @@ public:
         tuple&
         operator=(_Tuple&& __t)
         {
-            base_.operator=(_VSTD::forward<_Tuple>(__t));
+            base_.operator=(_STD::forward<_Tuple>(__t));
             return *this;
         }
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(tuple& __t) _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value)
-        {base_.swap(__t.base_);}
+    void swap(tuple& __t) {base_.swap(__t.base_);}
 };
 
 template <>
@@ -582,19 +555,13 @@ public:
     _LIBCPP_INLINE_VISIBILITY
         tuple(allocator_arg_t, const _Alloc&, array<_U, 0>) {}
     _LIBCPP_INLINE_VISIBILITY
-    void swap(tuple&) _NOEXCEPT {}
+    void swap(tuple&) {}
 };
 
 template <class ..._Tp>
 inline _LIBCPP_INLINE_VISIBILITY
-typename enable_if
-<
-    __all<__is_swappable<_Tp>::value...>::value,
-    void
->::type
-swap(tuple<_Tp...>& __t, tuple<_Tp...>& __u)
-                 _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value)
-    {__t.swap(__u);}
+void
+swap(tuple<_Tp...>& __t, tuple<_Tp...>& __u) {__t.swap(__u);}
 
 // get
 
@@ -676,7 +643,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 tuple<typename __make_tuple_return<_Tp>::type...>
 make_tuple(_Tp&&... __t)
 {
-    return tuple<typename __make_tuple_return<_Tp>::type...>(_VSTD::forward<_Tp>(__t)...);
+    return tuple<typename __make_tuple_return<_Tp>::type...>(_STD::forward<_Tp>(__t)...);
 }
 
 template <class... _Tp>
@@ -684,7 +651,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 tuple<_Tp&&...>
 forward_as_tuple(_Tp&&... __t)
 {
-    return tuple<_Tp&&...>(_VSTD::forward<_Tp>(__t)...);
+    return tuple<_Tp&&...>(_STD::forward<_Tp>(__t)...);
 }
 
 template <size_t _I>
@@ -882,8 +849,8 @@ struct __tuple_cat<tuple<_Types...>, __tuple_indices<_I0...>, __tuple_indices<_J
     typename __tuple_cat_return_ref<tuple<_Types...>&&, _Tuple0&&>::type
     operator()(tuple<_Types...> __t, _Tuple0&& __t0)
     {
-        return _VSTD::forward_as_tuple(_VSTD::forward<_Types>(get<_I0>(__t))...,
-                                      get<_J0>(_VSTD::forward<_Tuple0>(__t0))...);
+        return _STD::forward_as_tuple(_STD::forward<_Types>(get<_I0>(__t))...,
+                                      get<_J0>(_STD::forward<_Tuple0>(__t0))...);
     }
 
     template <class _Tuple0, class _Tuple1, class ..._Tuples>
@@ -897,12 +864,12 @@ struct __tuple_cat<tuple<_Types...>, __tuple_indices<_I0...>, __tuple_indices<_J
            tuple<_Types..., typename __apply_cv<_Tuple0, typename tuple_element<_J0, _T0>::type>::type&&...>,
            typename __make_tuple_indices<sizeof ...(_Types) + tuple_size<_T0>::value>::type,
            typename __make_tuple_indices<tuple_size<_T1>::value>::type>()
-                           (_VSTD::forward_as_tuple(
-                              _VSTD::forward<_Types>(get<_I0>(__t))...,
-                              get<_J0>(_VSTD::forward<_Tuple0>(__t0))...
+                           (_STD::forward_as_tuple(
+                              _STD::forward<_Types>(get<_I0>(__t))...,
+                              get<_J0>(_STD::forward<_Tuple0>(__t0))...
                             ),
-                            _VSTD::forward<_Tuple1>(__t1),
-                            _VSTD::forward<_Tuples>(__tpls)...);
+                            _STD::forward<_Tuple1>(__t1),
+                            _STD::forward<_Tuples>(__tpls)...);
     }
 };
 
@@ -914,8 +881,8 @@ tuple_cat(_Tuple0&& __t0, _Tuples&&... __tpls)
     typedef typename remove_reference<_Tuple0>::type _T0;
     return __tuple_cat<tuple<>, __tuple_indices<>,
                   typename __make_tuple_indices<tuple_size<_T0>::value>::type>()
-                  (tuple<>(), _VSTD::forward<_Tuple0>(__t0),
-                                            _VSTD::forward<_Tuples>(__tpls)...);
+                  (tuple<>(), _STD::forward<_Tuple0>(__t0),
+                                            _STD::forward<_Tuples>(__tpls)...);
 }
 
 template <class ..._Tp, class _Alloc>
@@ -928,8 +895,8 @@ inline _LIBCPP_INLINE_VISIBILITY
 pair<_T1, _T2>::pair(piecewise_construct_t,
                      tuple<_Args1...>& __first_args, tuple<_Args2...>& __second_args,
                      __tuple_indices<_I1...>, __tuple_indices<_I2...>)
-    :  first(_VSTD::forward<_Args1>(get<_I1>( __first_args))...),
-      second(_VSTD::forward<_Args2>(get<_I2>(__second_args))...)
+    :  first(_STD::forward<_Args1>(get<_I1>( __first_args))...),
+      second(_STD::forward<_Args2>(get<_I2>(__second_args))...)
 {
 }
 

include/typeindex

@@ -21,24 +21,24 @@ namespace std
 class type_index
 {
 public:
-    type_index(const type_info& rhs) noexcept;
+    type_index(const type_info& rhs);
 
-    bool operator==(const type_index& rhs) const noexcept;
-    bool operator!=(const type_index& rhs) const noexcept;
-    bool operator< (const type_index& rhs) const noexcept;
-    bool operator<=(const type_index& rhs) const noexcept;
-    bool operator> (const type_index& rhs) const noexcept;
-    bool operator>=(const type_index& rhs) const noexcept;
+    bool operator==(const type_index& rhs) const;
+    bool operator!=(const type_index& rhs) const;
+    bool operator< (const type_index& rhs) const;
+    bool operator<=(const type_index& rhs) const;
+    bool operator> (const type_index& rhs) const;
+    bool operator>=(const type_index& rhs) const;
 
-    size_t hash_code() const noexcept;
-    const char* name() const noexcept;
+    size_t hash_code() const;
+    const char* name() const;
 };
 
 template <>
 struct hash<type_index>
     : public unary_function<type_index, size_t>
 {
-    size_t operator()(type_index index) const noexcept;
+    size_t operator()(type_index index) const;
 };
 
 }  // std
@@ -58,31 +58,25 @@ class _LIBCPP_VISIBLE type_index
     const type_info* __t_;
 public:
     _LIBCPP_INLINE_VISIBILITY
-    type_index(const type_info& __y) _NOEXCEPT : __t_(&__y) {}
+    type_index(const type_info& __y) : __t_(&__y) {}
 
     _LIBCPP_INLINE_VISIBILITY
-    bool operator==(const type_index& __y) const _NOEXCEPT
-        {return *__t_ == *__y.__t_;}
+    bool operator==(const type_index& __y) const {return *__t_ == *__y.__t_;}
     _LIBCPP_INLINE_VISIBILITY
-    bool operator!=(const type_index& __y) const _NOEXCEPT
-        {return *__t_ != *__y.__t_;}
+    bool operator!=(const type_index& __y) const {return *__t_ != *__y.__t_;}
     _LIBCPP_INLINE_VISIBILITY
-    bool operator< (const type_index& __y) const _NOEXCEPT
-        {return  __t_->before(*__y.__t_);}
+    bool operator< (const type_index& __y) const {return  __t_->before(*__y.__t_);}
     _LIBCPP_INLINE_VISIBILITY
-    bool operator<=(const type_index& __y) const _NOEXCEPT
-        {return !__y.__t_->before(*__t_);}
+    bool operator<=(const type_index& __y) const {return !__y.__t_->before(*__t_);}
     _LIBCPP_INLINE_VISIBILITY
-    bool operator> (const type_index& __y) const _NOEXCEPT
-        {return  __y.__t_->before(*__t_);}
+    bool operator> (const type_index& __y) const {return  __y.__t_->before(*__t_);}
     _LIBCPP_INLINE_VISIBILITY
-    bool operator>=(const type_index& __y) const _NOEXCEPT
-        {return !__t_->before(*__y.__t_);}
+    bool operator>=(const type_index& __y) const {return !__t_->before(*__y.__t_);}
 
     _LIBCPP_INLINE_VISIBILITY
-    size_t hash_code() const _NOEXCEPT {return __t_->hash_code();}
+    size_t hash_code() const {return __t_->hash_code();}
     _LIBCPP_INLINE_VISIBILITY
-    const char* name() const _NOEXCEPT {return __t_->name();}
+    const char* name() const {return __t_->name();}
 };
 
 template <class _Tp> struct _LIBCPP_VISIBLE hash;
@@ -92,8 +86,7 @@ struct _LIBCPP_VISIBLE hash<type_index>
     : public unary_function<type_index, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(type_index __index) const _NOEXCEPT
-        {return __index.hash_code();}
+    size_t operator()(type_index __index) const {return __index.hash_code();}
 };
 
 _LIBCPP_END_NAMESPACE_STD

include/typeinfo

@@ -22,12 +22,12 @@ class type_info
 public:
     virtual ~type_info();
 
-    bool operator==(const type_info& rhs) const noexcept;
-    bool operator!=(const type_info& rhs) const noexcept;
+    bool operator==(const type_info& rhs) const;
+    bool operator!=(const type_info& rhs) const;
 
-    bool before(const type_info& rhs) const noexcept;
-    size_t hash_code() const noexcept;
-    const char* name() const noexcept;
+    bool before(const type_info& rhs) const;
+    size_t hash_code() const throw();
+    const char* name() const;
 
     type_info(const type_info& rhs) = delete;
     type_info& operator=(const type_info& rhs) = delete;
@@ -37,20 +37,20 @@ class bad_cast
     : public exception
 {
 public:
-    bad_cast() noexcept;
-    bad_cast(const bad_cast&) noexcept;
-    bad_cast& operator=(const bad_cast&) noexcept;
-    virtual const char* what() const noexcept;
+    bad_cast() throw();
+    bad_cast(const bad_cast&) throw();
+    bad_cast& operator=(const bad_cast&) throw();
+    virtual const char* what() const throw();
 };
 
 class bad_typeid
     : public exception
 {
 public:
-    bad_typeid() noexcept;
-    bad_typeid(const bad_typeid&) noexcept;
-    bad_typeid& operator=(const bad_typeid&) noexcept;
-    virtual const char* what() const noexcept;
+    bad_typeid() throw();
+    bad_typeid(const bad_typeid&) throw();
+    bad_typeid& operator=(const bad_typeid&) throw();
+    virtual const char* what() const throw();
 };
 
 }  // std
@@ -81,20 +81,20 @@ public:
     virtual ~type_info();
 
     _LIBCPP_INLINE_VISIBILITY
-    const char* name() const _NOEXCEPT {return __type_name;}
+    const char* name() const {return __type_name;}
 
     _LIBCPP_INLINE_VISIBILITY
-    bool before(const type_info& __arg) const _NOEXCEPT
+    bool before(const type_info& __arg) const
         {return __type_name < __arg.__type_name;}
     _LIBCPP_INLINE_VISIBILITY
-    size_t hash_code() const _NOEXCEPT
+    size_t hash_code() const throw()
         {return *reinterpret_cast<const size_t*>(&__type_name);}
 
     _LIBCPP_INLINE_VISIBILITY
-    bool operator==(const type_info& __arg) const _NOEXCEPT
+    bool operator==(const type_info& __arg) const
         {return __type_name == __arg.__type_name;}
     _LIBCPP_INLINE_VISIBILITY
-    bool operator!=(const type_info& __arg) const _NOEXCEPT
+    bool operator!=(const type_info& __arg) const
         {return !operator==(__arg);}
 
 };
@@ -103,18 +103,18 @@ class _LIBCPP_EXCEPTION_ABI bad_cast
     : public exception
 {
 public:
-    bad_cast() _NOEXCEPT;
-    virtual ~bad_cast() _NOEXCEPT;
-    virtual const char* what() const _NOEXCEPT;
+    bad_cast() throw();
+    virtual ~bad_cast() throw();
+    virtual const char* what() const throw();
 };
 
 class _LIBCPP_EXCEPTION_ABI bad_typeid
     : public exception
 {
 public:
-    bad_typeid() _NOEXCEPT;
-    virtual ~bad_typeid() _NOEXCEPT;
-    virtual const char* what() const _NOEXCEPT;
+    bad_typeid() throw();
+    virtual ~bad_typeid() throw();
+    virtual const char* what() const throw();
 };
 
 }  // std

include/unordered_map

@@ -44,12 +44,7 @@ public:
     typedef /unspecified/ local_iterator;
     typedef /unspecified/ const_local_iterator;
 
-    unordered_map()
-        noexcept(
-            is_nothrow_default_constructible<hasher>::value &&
-            is_nothrow_default_constructible<key_equal>::value &&
-            is_nothrow_default_constructible<allocator_type>::value);
-    explicit unordered_map(size_type n, const hasher& hf = hasher(),
+    explicit unordered_map(size_type n = 0, const hasher& hf = hasher(),
                            const key_equal& eql = key_equal(),
                            const allocator_type& a = allocator_type());
     template <class InputIterator>
@@ -60,37 +55,28 @@ public:
     explicit unordered_map(const allocator_type&);
     unordered_map(const unordered_map&);
     unordered_map(const unordered_map&, const Allocator&);
-    unordered_map(unordered_map&&)
-        noexcept(
-            is_nothrow_move_constructible<hasher>::value &&
-            is_nothrow_move_constructible<key_equal>::value &&
-            is_nothrow_move_constructible<allocator_type>::value);
+    unordered_map(unordered_map&&);
     unordered_map(unordered_map&&, const Allocator&);
     unordered_map(initializer_list<value_type>, size_type n = 0,
                   const hasher& hf = hasher(), const key_equal& eql = key_equal(),
                   const allocator_type& a = allocator_type());
     ~unordered_map();
     unordered_map& operator=(const unordered_map&);
-    unordered_map& operator=(unordered_map&&)
-        noexcept(
-            allocator_type::propagate_on_container_move_assignment::value &&
-            is_nothrow_move_assignable<allocator_type>::value &&
-            is_nothrow_move_assignable<hasher>::value &&
-            is_nothrow_move_assignable<key_equal>::value);
+    unordered_map& operator=(unordered_map&&);
     unordered_map& operator=(initializer_list<value_type>);
 
-    allocator_type get_allocator() const noexcept;
+    allocator_type get_allocator() const;
 
-    bool      empty() const noexcept;
-    size_type size() const noexcept;
-    size_type max_size() const noexcept;
+    bool      empty() const;
+    size_type size() const;
+    size_type max_size() const;
 
-    iterator       begin() noexcept;
-    iterator       end() noexcept;
-    const_iterator begin()  const noexcept;
-    const_iterator end()    const noexcept;
-    const_iterator cbegin() const noexcept;
-    const_iterator cend()   const noexcept;
+    iterator       begin();
+    iterator       end();
+    const_iterator begin()  const;
+    const_iterator end()    const;
+    const_iterator cbegin() const;
+    const_iterator cend()   const;
 
     template <class... Args>
         pair<iterator, bool> emplace(Args&&... args);
@@ -109,14 +95,9 @@ public:
     iterator erase(const_iterator position);
     size_type erase(const key_type& k);
     iterator erase(const_iterator first, const_iterator last);
-    void clear() noexcept;
+    void clear();
 
-    void swap(unordered_map&)
-        noexcept(
-            (!allocator_type::propagate_on_container_swap::value ||
-             __is_nothrow_swappable<allocator_type>::value) &&
-            __is_nothrow_swappable<hasher>::value &&
-            __is_nothrow_swappable<key_equal>::value);
+    void swap(unordered_map&);
 
     hasher hash_function() const;
     key_equal key_eq() const;
@@ -133,8 +114,8 @@ public:
     mapped_type&       at(const key_type& k);
     const mapped_type& at(const key_type& k) const;
 
-    size_type bucket_count() const noexcept;
-    size_type max_bucket_count() const noexcept;
+    size_type bucket_count() const;
+    size_type max_bucket_count() const;
 
     size_type bucket_size(size_type n) const;
     size_type bucket(const key_type& k) const;
@@ -146,8 +127,8 @@ public:
     const_local_iterator cbegin(size_type n) const;
     const_local_iterator cend(size_type n) const;
 
-    float load_factor() const noexcept;
-    float max_load_factor() const noexcept;
+    float load_factor() const;
+    float max_load_factor() const;
     void max_load_factor(float z);
     void rehash(size_type n);
     void reserve(size_type n);
@@ -155,8 +136,7 @@ public:
 
 template <class Key, class T, class Hash, class Pred, class Alloc>
     void swap(unordered_map<Key, T, Hash, Pred, Alloc>& x,
-              unordered_map<Key, T, Hash, Pred, Alloc>& y)
-              noexcept(noexcept(x.swap(y)));
+              unordered_map<Key, T, Hash, Pred, Alloc>& y);
 
 template <class Key, class T, class Hash, class Pred, class Alloc>
     bool
@@ -192,12 +172,7 @@ public:
     typedef /unspecified/ local_iterator;
     typedef /unspecified/ const_local_iterator;
 
-    unordered_multimap()
-        noexcept(
-            is_nothrow_default_constructible<hasher>::value &&
-            is_nothrow_default_constructible<key_equal>::value &&
-            is_nothrow_default_constructible<allocator_type>::value);
-    explicit unordered_multimap(size_type n, const hasher& hf = hasher(),
+    explicit unordered_multimap(size_type n = 0, const hasher& hf = hasher(),
                            const key_equal& eql = key_equal(),
                            const allocator_type& a = allocator_type());
     template <class InputIterator>
@@ -208,37 +183,28 @@ public:
     explicit unordered_multimap(const allocator_type&);
     unordered_multimap(const unordered_multimap&);
     unordered_multimap(const unordered_multimap&, const Allocator&);
-    unordered_multimap(unordered_multimap&&)
-        noexcept(
-            is_nothrow_move_constructible<hasher>::value &&
-            is_nothrow_move_constructible<key_equal>::value &&
-            is_nothrow_move_constructible<allocator_type>::value);
+    unordered_multimap(unordered_multimap&&);
     unordered_multimap(unordered_multimap&&, const Allocator&);
     unordered_multimap(initializer_list<value_type>, size_type n = 0,
                   const hasher& hf = hasher(), const key_equal& eql = key_equal(),
                   const allocator_type& a = allocator_type());
     ~unordered_multimap();
     unordered_multimap& operator=(const unordered_multimap&);
-    unordered_multimap& operator=(unordered_multimap&&)
-        noexcept(
-            allocator_type::propagate_on_container_move_assignment::value &&
-            is_nothrow_move_assignable<allocator_type>::value &&
-            is_nothrow_move_assignable<hasher>::value &&
-            is_nothrow_move_assignable<key_equal>::value);
+    unordered_multimap& operator=(unordered_multimap&&);
     unordered_multimap& operator=(initializer_list<value_type>);
 
-    allocator_type get_allocator() const noexcept;
+    allocator_type get_allocator() const;
 
-    bool      empty() const noexcept;
-    size_type size() const noexcept;
-    size_type max_size() const noexcept;
+    bool      empty() const;
+    size_type size() const;
+    size_type max_size() const;
 
-    iterator       begin() noexcept;
-    iterator       end() noexcept;
-    const_iterator begin()  const noexcept;
-    const_iterator end()    const noexcept;
-    const_iterator cbegin() const noexcept;
-    const_iterator cend()   const noexcept;
+    iterator       begin();
+    iterator       end();
+    const_iterator begin()  const;
+    const_iterator end()    const;
+    const_iterator cbegin() const;
+    const_iterator cend()   const;
 
     template <class... Args>
         iterator emplace(Args&&... args);
@@ -257,14 +223,9 @@ public:
     iterator erase(const_iterator position);
     size_type erase(const key_type& k);
     iterator erase(const_iterator first, const_iterator last);
-    void clear() noexcept;
+    void clear();
 
-    void swap(unordered_multimap&)
-        noexcept(
-            (!allocator_type::propagate_on_container_swap::value ||
-             __is_nothrow_swappable<allocator_type>::value) &&
-            __is_nothrow_swappable<hasher>::value &&
-            __is_nothrow_swappable<key_equal>::value);
+    void swap(unordered_multimap&);
 
     hasher hash_function() const;
     key_equal key_eq() const;
@@ -275,8 +236,8 @@ public:
     pair<iterator, iterator>             equal_range(const key_type& k);
     pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
 
-    size_type bucket_count() const noexcept;
-    size_type max_bucket_count() const noexcept;
+    size_type bucket_count() const;
+    size_type max_bucket_count() const;
 
     size_type bucket_size(size_type n) const;
     size_type bucket(const key_type& k) const;
@@ -288,8 +249,8 @@ public:
     const_local_iterator cbegin(size_type n) const;
     const_local_iterator cend(size_type n) const;
 
-    float load_factor() const noexcept;
-    float max_load_factor() const noexcept;
+    float load_factor() const;
+    float max_load_factor() const;
     void max_load_factor(float z);
     void rehash(size_type n);
     void reserve(size_type n);
@@ -297,8 +258,7 @@ public:
 
 template <class Key, class T, class Hash, class Pred, class Alloc>
     void swap(unordered_multimap<Key, T, Hash, Pred, Alloc>& x,
-              unordered_multimap<Key, T, Hash, Pred, Alloc>& y)
-              noexcept(noexcept(x.swap(y)));
+              unordered_multimap<Key, T, Hash, Pred, Alloc>& y);
 
 template <class Key, class T, class Hash, class Pred, class Alloc>
     bool
@@ -329,15 +289,11 @@ class __unordered_map_hasher
 {
 public:
     _LIBCPP_INLINE_VISIBILITY
-    __unordered_map_hasher()
-        _NOEXCEPT_(is_nothrow_default_constructible<_Hash>::value)
-        : _Hash() {}
+    __unordered_map_hasher() : _Hash() {}
     _LIBCPP_INLINE_VISIBILITY
-    __unordered_map_hasher(const _Hash& __h)
-        _NOEXCEPT_(is_nothrow_copy_constructible<_Hash>::value)
-        : _Hash(__h) {}
+    __unordered_map_hasher(const _Hash& __h) : _Hash(__h) {}
     _LIBCPP_INLINE_VISIBILITY
-    const _Hash& hash_function() const _NOEXCEPT {return *this;}
+    const _Hash& hash_function() const {return *this;}
     _LIBCPP_INLINE_VISIBILITY
     size_t operator()(const _Tp& __x) const
         {return static_cast<const _Hash&>(*this)(__x.first);}
@@ -352,15 +308,11 @@ class __unordered_map_hasher<_Tp, _Hash, false>
     _Hash __hash_;
 public:
     _LIBCPP_INLINE_VISIBILITY
-    __unordered_map_hasher()
-        _NOEXCEPT_(is_nothrow_default_constructible<_Hash>::value)
-        : __hash_() {}
+    __unordered_map_hasher() : __hash_() {}
     _LIBCPP_INLINE_VISIBILITY
-    __unordered_map_hasher(const _Hash& __h)
-        _NOEXCEPT_(is_nothrow_copy_constructible<_Hash>::value)
-        : __hash_(__h) {}
+    __unordered_map_hasher(const _Hash& __h) : __hash_(__h) {}
     _LIBCPP_INLINE_VISIBILITY
-    const _Hash& hash_function() const _NOEXCEPT {return __hash_;}
+    const _Hash& hash_function() const {return __hash_;}
     _LIBCPP_INLINE_VISIBILITY
     size_t operator()(const _Tp& __x) const
         {return __hash_(__x.first);}
@@ -375,15 +327,11 @@ class __unordered_map_equal
 {
 public:
     _LIBCPP_INLINE_VISIBILITY
-    __unordered_map_equal()
-        _NOEXCEPT_(is_nothrow_default_constructible<_Pred>::value)
-        : _Pred() {}
+    __unordered_map_equal() : _Pred() {}
     _LIBCPP_INLINE_VISIBILITY
-    __unordered_map_equal(const _Pred& __p)
-        _NOEXCEPT_(is_nothrow_copy_constructible<_Pred>::value)
-        : _Pred(__p) {}
+    __unordered_map_equal(const _Pred& __p) : _Pred(__p) {}
     _LIBCPP_INLINE_VISIBILITY
-    const _Pred& key_eq() const _NOEXCEPT {return *this;}
+    const _Pred& key_eq() const {return *this;}
     _LIBCPP_INLINE_VISIBILITY
     bool operator()(const _Tp& __x, const _Tp& __y) const
         {return static_cast<const _Pred&>(*this)(__x.first, __y.first);}
@@ -405,15 +353,11 @@ class __unordered_map_equal<_Tp, _Pred, false>
     _Pred __pred_;
 public:
     _LIBCPP_INLINE_VISIBILITY
-    __unordered_map_equal()
-        _NOEXCEPT_(is_nothrow_default_constructible<_Pred>::value)
-        : __pred_() {}
+    __unordered_map_equal() : __pred_() {}
     _LIBCPP_INLINE_VISIBILITY
-    __unordered_map_equal(const _Pred& __p)
-        _NOEXCEPT_(is_nothrow_copy_constructible<_Pred>::value)
-        : __pred_(__p) {}
+    __unordered_map_equal(const _Pred& __p) : __pred_(__p) {}
     _LIBCPP_INLINE_VISIBILITY
-    const _Pred& key_eq() const _NOEXCEPT {return __pred_;}
+    const _Pred& key_eq() const {return __pred_;}
     _LIBCPP_INLINE_VISIBILITY
     bool operator()(const _Tp& __x, const _Tp& __y) const
         {return __pred_(__x.first, __y.first);}
@@ -450,7 +394,7 @@ public:
     bool __second_constructed;
 
     _LIBCPP_INLINE_VISIBILITY
-    explicit __hash_map_node_destructor(allocator_type& __na) _NOEXCEPT
+    explicit __hash_map_node_destructor(allocator_type& __na)
         : __na_(__na),
           __first_constructed(false),
           __second_constructed(false)
@@ -459,7 +403,6 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     __hash_map_node_destructor(__hash_node_destructor<allocator_type>&& __x)
-        _NOEXCEPT
         : __na_(__x.__na_),
           __first_constructed(__x.__value_constructed),
           __second_constructed(__x.__value_constructed)
@@ -478,12 +421,12 @@ public:
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     _LIBCPP_INLINE_VISIBILITY
-    void operator()(pointer __p) _NOEXCEPT
+    void operator()(pointer __p)
     {
         if (__second_constructed)
-            __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.second));
+            __alloc_traits::destroy(__na_, _STD::addressof(__p->__value_.second));
         if (__first_constructed)
-            __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.first));
+            __alloc_traits::destroy(__na_, _STD::addressof(__p->__value_.first));
         if (__p)
             __alloc_traits::deallocate(__na_, __p, 1);
     }
@@ -511,10 +454,10 @@ public:
                                                                  pointer;
 
     _LIBCPP_INLINE_VISIBILITY
-    __hash_map_iterator() _NOEXCEPT {}
+    __hash_map_iterator() {}
 
     _LIBCPP_INLINE_VISIBILITY
-    __hash_map_iterator(_HashIterator __i) _NOEXCEPT : __i_(__i) {}
+    __hash_map_iterator(_HashIterator __i) : __i_(__i) {}
 
     _LIBCPP_INLINE_VISIBILITY
     reference operator*() const {return *operator->();}
@@ -567,14 +510,13 @@ public:
                                                                  pointer;
 
     _LIBCPP_INLINE_VISIBILITY
-    __hash_map_const_iterator() _NOEXCEPT {}
+    __hash_map_const_iterator() {}
 
     _LIBCPP_INLINE_VISIBILITY
-    __hash_map_const_iterator(_HashIterator __i) _NOEXCEPT : __i_(__i) {}
+    __hash_map_const_iterator(_HashIterator __i) : __i_(__i) {}
     _LIBCPP_INLINE_VISIBILITY
     __hash_map_const_iterator(
             __hash_map_iterator<typename _HashIterator::__non_const_iterator> __i)
-                 _NOEXCEPT
                 : __i_(__i.__i_) {}
 
     _LIBCPP_INLINE_VISIBILITY
@@ -657,9 +599,7 @@ public:
     typedef __hash_map_const_iterator<typename __table::const_local_iterator> const_local_iterator;
 
     _LIBCPP_INLINE_VISIBILITY
-    unordered_map()
-        _NOEXCEPT_(is_nothrow_default_constructible<__table>::value)
-        {} // = default;
+    unordered_map() {} // = default;
     explicit unordered_map(size_type __n, const hasher& __hf = hasher(),
                            const key_equal& __eql = key_equal());
     unordered_map(size_type __n, const hasher& __hf,
@@ -680,8 +620,7 @@ public:
     unordered_map(const unordered_map& __u);
     unordered_map(const unordered_map& __u, const allocator_type& __a);
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    unordered_map(unordered_map&& __u)
-        _NOEXCEPT_(is_nothrow_move_constructible<__table>::value);
+    unordered_map(unordered_map&& __u);
     unordered_map(unordered_map&& __u, const allocator_type& __a);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     unordered_map(initializer_list<value_type> __il);
@@ -691,41 +630,35 @@ public:
                   const hasher& __hf, const key_equal& __eql,
                   const allocator_type& __a);
     // ~unordered_map() = default;
-    _LIBCPP_INLINE_VISIBILITY
-    unordered_map& operator=(const unordered_map& __u)
-    {
-        __table_ = __u.__table_;
-        return *this;
-    }
+    // unordered_map& operator=(const unordered_map& __u) = default;
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    unordered_map& operator=(unordered_map&& __u)
-        _NOEXCEPT_(is_nothrow_move_assignable<__table>::value);
+    unordered_map& operator=(unordered_map&& __u);
 #endif
     unordered_map& operator=(initializer_list<value_type> __il);
 
     _LIBCPP_INLINE_VISIBILITY
-    allocator_type get_allocator() const _NOEXCEPT
+    allocator_type get_allocator() const
         {return allocator_type(__table_.__node_alloc());}
 
     _LIBCPP_INLINE_VISIBILITY
-    bool      empty() const _NOEXCEPT {return __table_.size() == 0;}
+    bool      empty() const {return __table_.size() == 0;}
     _LIBCPP_INLINE_VISIBILITY
-    size_type size() const _NOEXCEPT  {return __table_.size();}
+    size_type size() const  {return __table_.size();}
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_size() const _NOEXCEPT {return __table_.max_size();}
+    size_type max_size() const {return __table_.max_size();}
 
     _LIBCPP_INLINE_VISIBILITY
-    iterator       begin() _NOEXCEPT        {return __table_.begin();}
+    iterator       begin()        {return __table_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    iterator       end() _NOEXCEPT          {return __table_.end();}
+    iterator       end()          {return __table_.end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator begin()  const _NOEXCEPT {return __table_.begin();}
+    const_iterator begin()  const {return __table_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator end()    const _NOEXCEPT {return __table_.end();}
+    const_iterator end()    const {return __table_.end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cbegin() const _NOEXCEPT {return __table_.begin();}
+    const_iterator cbegin() const {return __table_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cend()   const _NOEXCEPT {return __table_.end();}
+    const_iterator cend()   const {return __table_.end();}
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
@@ -733,15 +666,15 @@ public:
         {return __table_.__emplace_unique();}
 
     template <class _A0,
-              class = typename enable_if<is_constructible<value_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         pair<iterator, bool> emplace(_A0&& __a0)
-            {return __table_.__emplace_unique(_VSTD::forward<_A0>(__a0));}
+            {return __table_.__emplace_unique(_STD::forward<_A0>(__a0));}
 
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template <class _A0, class... _Args,
-              class = typename enable_if<is_constructible<key_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, key_type>::value>::type>
         pair<iterator, bool> emplace(_A0&& __a0, _Args&&... __args);
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
@@ -751,19 +684,19 @@ public:
         {return __table_.__emplace_unique().first;}
 
     template <class _A0,
-              class = typename enable_if<is_constructible<value_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         iterator emplace_hint(const_iterator, _A0&& __a0)
-            {return __table_.__emplace_unique(_VSTD::forward<_A0>(__a0)).first;}
+            {return __table_.__emplace_unique(_STD::forward<_A0>(__a0)).first;}
 
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template <class _A0, class... _Args,
-              class = typename enable_if<is_constructible<key_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, key_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         iterator emplace_hint(const_iterator, _A0&& __a0, _Args&&... __args)
-            {return emplace(_VSTD::forward<_A0>(__a0),
-                            _VSTD::forward<_Args>(__args)...).first;}
+            {return emplace(_STD::forward<_A0>(__a0),
+                            _STD::forward<_Args>(__args)...).first;}
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
@@ -771,20 +704,20 @@ public:
         {return __table_.__insert_unique(__x);}
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     template <class _P,
-              class = typename enable_if<is_constructible<value_type, _P>::value>::type>
+              class = typename enable_if<is_convertible<_P, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         pair<iterator, bool> insert(_P&& __x)
-            {return __table_.__insert_unique(_VSTD::forward<_P>(__x));}
+            {return __table_.__insert_unique(_STD::forward<_P>(__x));}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     iterator insert(const_iterator, const value_type& __x)
         {return insert(__x).first;}
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     template <class _P,
-              class = typename enable_if<is_constructible<value_type, _P>::value>::type>
+              class = typename enable_if<is_convertible<_P, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         iterator insert(const_iterator, _P&& __x)
-            {return insert(_VSTD::forward<_P>(__x)).first;}
+            {return insert(_STD::forward<_P>(__x)).first;}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     template <class _InputIterator>
         void insert(_InputIterator __first, _InputIterator __last);
@@ -800,12 +733,10 @@ public:
     iterator erase(const_iterator __first, const_iterator __last)
         {return __table_.erase(__first.__i_, __last.__i_);}
     _LIBCPP_INLINE_VISIBILITY
-    void clear() _NOEXCEPT {__table_.clear();}
+    void clear() {__table_.clear();}
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(unordered_map& __u)
-        _NOEXCEPT_(__is_nothrow_swappable<__table>::value)
-        {__table_.swap(__u.__table_);}
+    void swap(unordered_map& __u) {__table_.swap(__u.__table_);}
 
     _LIBCPP_INLINE_VISIBILITY
     hasher hash_function() const
@@ -836,9 +767,9 @@ public:
     const mapped_type& at(const key_type& __k) const;
 
     _LIBCPP_INLINE_VISIBILITY
-    size_type bucket_count() const _NOEXCEPT {return __table_.bucket_count();}
+    size_type bucket_count() const {return __table_.bucket_count();}
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_bucket_count() const _NOEXCEPT {return __table_.max_bucket_count();}
+    size_type max_bucket_count() const {return __table_.max_bucket_count();}
 
     _LIBCPP_INLINE_VISIBILITY
     size_type bucket_size(size_type __n) const
@@ -860,9 +791,9 @@ public:
     const_local_iterator cend(size_type __n) const   {return __table_.cend(__n);}
 
     _LIBCPP_INLINE_VISIBILITY
-    float load_factor() const _NOEXCEPT {return __table_.load_factor();}
+    float load_factor() const {return __table_.load_factor();}
     _LIBCPP_INLINE_VISIBILITY
-    float max_load_factor() const _NOEXCEPT {return __table_.max_load_factor();}
+    float max_load_factor() const {return __table_.max_load_factor();}
     _LIBCPP_INLINE_VISIBILITY
     void max_load_factor(float __mlf) {__table_.max_load_factor(__mlf);}
     _LIBCPP_INLINE_VISIBILITY
@@ -874,11 +805,11 @@ private:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 #ifndef _LIBCPP_HAS_NO_VARIADICS
     template <class _A0, class... _Args,
-              class = typename enable_if<is_constructible<key_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, key_type>::value>::type>
         __node_holder __construct_node(_A0&& __a0, _Args&&... __args);
 #endif  // _LIBCPP_HAS_NO_VARIADICS
     template <class _A0,
-              class = typename enable_if<is_constructible<value_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, value_type>::value>::type>
         __node_holder __construct_node(_A0&& __a0);
 #else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     __node_holder __construct_node(const key_type& __k);
@@ -964,22 +895,21 @@ template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
         unordered_map&& __u)
-    _NOEXCEPT_(is_nothrow_move_constructible<__table>::value)
-    : __table_(_VSTD::move(__u.__table_))
+    : __table_(_STD::move(__u.__table_))
 {
 }
 
 template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
 unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
         unordered_map&& __u, const allocator_type& __a)
-    : __table_(_VSTD::move(__u.__table_), __a)
+    : __table_(_STD::move(__u.__table_), __a)
 {
     if (__a != __u.get_allocator())
     {
         iterator __i = __u.begin();
         while (__u.size() != 0)
             __table_.__insert_unique(
-                _VSTD::move(__u.__table_.remove((__i++).__i_)->__value_)
+                _STD::move(__u.__table_.remove((__i++).__i_)->__value_)
                                     );
     }
 }
@@ -1019,9 +949,8 @@ template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&
 unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=(unordered_map&& __u)
-    _NOEXCEPT_(is_nothrow_move_assignable<__table>::value)
 {
-    __table_ = _VSTD::move(__u.__table_);
+    __table_ = _STD::move(__u.__table_);
     return *this;
 }
 
@@ -1042,7 +971,7 @@ unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=(
 
 template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
 template <class _A0, class... _Args,
-          class // = typename enable_if<is_constructible<key_type, _A0>::value>::type
+          class // = typename enable_if<is_convertible<_A0, key_type>::value>::type
          >
 typename unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__node_holder
 unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(_A0&& __a0,
@@ -1050,11 +979,11 @@ unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(_A0&& __a0,
 {
     __node_allocator& __na = __table_.__node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.first),
-                             _VSTD::forward<_A0>(__a0));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.first),
+                             _STD::forward<_A0>(__a0));
     __h.get_deleter().__first_constructed = true;
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.second),
-                             _VSTD::forward<_Args>(__args)...);
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.second),
+                             _STD::forward<_Args>(__args)...);
     __h.get_deleter().__second_constructed = true;
     return __h;
 }
@@ -1063,15 +992,15 @@ unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(_A0&& __a0,
 
 template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
 template <class _A0,
-          class // = typename enable_if<is_constructible<value_type, _A0>::value>::type
+          class // = typename enable_if<is_convertible<_A0, value_type>::value>::type
          >
 typename unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__node_holder
 unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(_A0&& __a0)
 {
     __node_allocator& __na = __table_.__node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_),
-                             _VSTD::forward<_A0>(__a0));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_),
+                             _STD::forward<_A0>(__a0));
     __h.get_deleter().__first_constructed = true;
     __h.get_deleter().__second_constructed = true;
     return __h;
@@ -1081,13 +1010,13 @@ unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(_A0&& __a0)
 
 template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
 template <class _A0, class... _Args,
-          class // = typename enable_if<is_constructible<key_type, _A0>::value>::type
+          class // = typename enable_if<is_convertible<_A0, key_type>::value>::type
          >
 pair<typename unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::iterator, bool>
 unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::emplace(_A0&& __a0, _Args&&... __args)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_A0>(__a0),
-                                         _VSTD::forward<_Args>(__args)...);
+    __node_holder __h = __construct_node(_STD::forward<_A0>(__a0),
+                                         _STD::forward<_Args>(__args)...);
     pair<iterator, bool> __r = __table_.__node_insert_unique(__h.get());
     if (__r.second)
         __h.release();
@@ -1103,11 +1032,11 @@ unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(const key_type&
 {
     __node_allocator& __na = __table_.__node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.first), __k);
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.first), __k);
     __h.get_deleter().__first_constructed = true;
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.second));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.second));
     __h.get_deleter().__second_constructed = true;
-    return _VSTD::move(__h);
+    return _STD::move(__h);
 }
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -1145,7 +1074,7 @@ unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](key_type&& __k)
     iterator __i = find(__k);
     if (__i != end())
         return __i->second;
-    __node_holder __h = __construct_node(_VSTD::move(__k));
+    __node_holder __h = __construct_node(_STD::move(__k));
     pair<iterator, bool> __r = __table_.__node_insert_unique(__h.get());
     __h.release();
     return __r.first->second;
@@ -1182,7 +1111,6 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
      unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }
@@ -1265,9 +1193,7 @@ public:
     typedef __hash_map_const_iterator<typename __table::const_local_iterator> const_local_iterator;
 
     _LIBCPP_INLINE_VISIBILITY
-    unordered_multimap()
-        _NOEXCEPT_(is_nothrow_default_constructible<__table>::value)
-        {} // = default;
+    unordered_multimap() {} // = default
     explicit unordered_multimap(size_type __n, const hasher& __hf = hasher(),
                                 const key_equal& __eql = key_equal());
     unordered_multimap(size_type __n, const hasher& __hf,
@@ -1288,8 +1214,7 @@ public:
     unordered_multimap(const unordered_multimap& __u);
     unordered_multimap(const unordered_multimap& __u, const allocator_type& __a);
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    unordered_multimap(unordered_multimap&& __u)
-        _NOEXCEPT_(is_nothrow_move_constructible<__table>::value);
+    unordered_multimap(unordered_multimap&& __u);
     unordered_multimap(unordered_multimap&& __u, const allocator_type& __a);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     unordered_multimap(initializer_list<value_type> __il);
@@ -1300,41 +1225,35 @@ public:
                        const hasher& __hf, const key_equal& __eql,
                        const allocator_type& __a);
     // ~unordered_multimap() = default;
-    _LIBCPP_INLINE_VISIBILITY
-    unordered_multimap& operator=(const unordered_multimap& __u)
-    {
-        __table_ = __u.__table_;
-        return *this;
-    }
+    // unordered_multimap& operator=(const unordered_multimap& __u) = default;
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    unordered_multimap& operator=(unordered_multimap&& __u)
-        _NOEXCEPT_(is_nothrow_move_assignable<__table>::value);
+    unordered_multimap& operator=(unordered_multimap&& __u);
 #endif
     unordered_multimap& operator=(initializer_list<value_type> __il);
 
     _LIBCPP_INLINE_VISIBILITY
-    allocator_type get_allocator() const _NOEXCEPT
+    allocator_type get_allocator() const
         {return allocator_type(__table_.__node_alloc());}
 
     _LIBCPP_INLINE_VISIBILITY
-    bool      empty() const _NOEXCEPT {return __table_.size() == 0;}
+    bool      empty() const {return __table_.size() == 0;}
     _LIBCPP_INLINE_VISIBILITY
-    size_type size() const _NOEXCEPT  {return __table_.size();}
+    size_type size() const  {return __table_.size();}
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_size() const _NOEXCEPT {return __table_.max_size();}
+    size_type max_size() const {return __table_.max_size();}
 
     _LIBCPP_INLINE_VISIBILITY
-    iterator       begin() _NOEXCEPT        {return __table_.begin();}
+    iterator       begin()        {return __table_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    iterator       end() _NOEXCEPT          {return __table_.end();}
+    iterator       end()          {return __table_.end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator begin()  const _NOEXCEPT {return __table_.begin();}
+    const_iterator begin()  const {return __table_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator end()    const _NOEXCEPT {return __table_.end();}
+    const_iterator end()    const {return __table_.end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cbegin() const _NOEXCEPT {return __table_.begin();}
+    const_iterator cbegin() const {return __table_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cend()   const _NOEXCEPT {return __table_.end();}
+    const_iterator cend()   const {return __table_.end();}
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
@@ -1342,15 +1261,15 @@ public:
         {return __table_.__emplace_multi();}
 
     template <class _A0,
-              class = typename enable_if<is_constructible<value_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         iterator emplace(_A0&& __a0)
-            {return __table_.__emplace_multi(_VSTD::forward<_A0>(__a0));}
+            {return __table_.__emplace_multi(_STD::forward<_A0>(__a0));}
 
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template <class _A0, class... _Args,
-              class = typename enable_if<is_constructible<key_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, key_type>::value>::type>
         iterator emplace(_A0&& __a0, _Args&&... __args);
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
@@ -1360,15 +1279,15 @@ public:
         {return __table_.__emplace_hint_multi(__p.__i_);}
 
     template <class _A0,
-              class = typename enable_if<is_constructible<value_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         iterator emplace_hint(const_iterator __p, _A0&& __a0)
-            {return __table_.__emplace_hint_multi(__p.__i_, _VSTD::forward<_A0>(__a0));}
+            {return __table_.__emplace_hint_multi(__p.__i_, _STD::forward<_A0>(__a0));}
 
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template <class _A0, class... _Args,
-              class = typename enable_if<is_constructible<key_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, key_type>::value>::type>
         iterator emplace_hint(const_iterator __p, _A0&& __a0, _Args&&... __args);
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -1376,20 +1295,20 @@ public:
     iterator insert(const value_type& __x) {return __table_.__insert_multi(__x);}
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     template <class _P,
-              class = typename enable_if<is_constructible<value_type, _P>::value>::type>
+              class = typename enable_if<is_convertible<_P, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         iterator insert(_P&& __x)
-            {return __table_.__insert_multi(_VSTD::forward<_P>(__x));}
+            {return __table_.__insert_multi(_STD::forward<_P>(__x));}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     iterator insert(const_iterator __p, const value_type& __x)
         {return __table_.__insert_multi(__p.__i_, __x);}
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     template <class _P,
-              class = typename enable_if<is_constructible<value_type, _P>::value>::type>
+              class = typename enable_if<is_convertible<_P, value_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         iterator insert(const_iterator __p, _P&& __x)
-            {return __table_.__insert_multi(__p.__i_, _VSTD::forward<_P>(__x));}
+            {return __table_.__insert_multi(__p.__i_, _STD::forward<_P>(__x));}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     template <class _InputIterator>
         void insert(_InputIterator __first, _InputIterator __last);
@@ -1405,12 +1324,10 @@ public:
     iterator erase(const_iterator __first, const_iterator __last)
         {return __table_.erase(__first.__i_, __last.__i_);}
     _LIBCPP_INLINE_VISIBILITY
-    void clear() _NOEXCEPT {__table_.clear();}
+    void clear() {__table_.clear();}
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(unordered_multimap& __u)
-        _NOEXCEPT_(__is_nothrow_swappable<__table>::value)
-        {__table_.swap(__u.__table_);}
+    void swap(unordered_multimap& __u) {__table_.swap(__u.__table_);}
 
     _LIBCPP_INLINE_VISIBILITY
     hasher hash_function() const
@@ -1433,10 +1350,9 @@ public:
         {return __table_.__equal_range_multi(__k);}
 
     _LIBCPP_INLINE_VISIBILITY
-    size_type bucket_count() const _NOEXCEPT {return __table_.bucket_count();}
+    size_type bucket_count() const {return __table_.bucket_count();}
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_bucket_count() const _NOEXCEPT
-        {return __table_.max_bucket_count();}
+    size_type max_bucket_count() const {return __table_.max_bucket_count();}
 
     _LIBCPP_INLINE_VISIBILITY
     size_type bucket_size(size_type __n) const
@@ -1458,9 +1374,9 @@ public:
     const_local_iterator cend(size_type __n) const   {return __table_.cend(__n);}
 
     _LIBCPP_INLINE_VISIBILITY
-    float load_factor() const _NOEXCEPT {return __table_.load_factor();}
+    float load_factor() const {return __table_.load_factor();}
     _LIBCPP_INLINE_VISIBILITY
-    float max_load_factor() const _NOEXCEPT {return __table_.max_load_factor();}
+    float max_load_factor() const {return __table_.max_load_factor();}
     _LIBCPP_INLINE_VISIBILITY
     void max_load_factor(float __mlf) {__table_.max_load_factor(__mlf);}
     _LIBCPP_INLINE_VISIBILITY
@@ -1471,10 +1387,10 @@ public:
 private:
 #if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS)
     template <class _A0, class... _Args,
-              class = typename enable_if<is_constructible<key_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, key_type>::value>::type>
         __node_holder __construct_node(_A0&& __a0, _Args&&... __args);
     template <class _A0,
-              class = typename enable_if<is_constructible<value_type, _A0>::value>::type>
+              class = typename enable_if<is_convertible<_A0, value_type>::value>::type>
         __node_holder __construct_node(_A0&& __a0);
 #endif  // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS)
 };
@@ -1558,15 +1474,14 @@ template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
         unordered_multimap&& __u)
-    _NOEXCEPT_(is_nothrow_move_constructible<__table>::value)
-    : __table_(_VSTD::move(__u.__table_))
+    : __table_(_STD::move(__u.__table_))
 {
 }
 
 template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
 unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
         unordered_multimap&& __u, const allocator_type& __a)
-    : __table_(_VSTD::move(__u.__table_), __a)
+    : __table_(_STD::move(__u.__table_), __a)
 {
     if (__a != __u.get_allocator())
     {
@@ -1574,7 +1489,7 @@ unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
         while (__u.size() != 0)
 {
             __table_.__insert_multi(
-                _VSTD::move(__u.__table_.remove((__i++).__i_)->__value_)
+                _STD::move(__u.__table_.remove((__i++).__i_)->__value_)
                                    );
 }
     }
@@ -1615,9 +1530,8 @@ template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>&
 unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=(unordered_multimap&& __u)
-    _NOEXCEPT_(is_nothrow_move_assignable<__table>::value)
 {
-    __table_ = _VSTD::move(__u.__table_);
+    __table_ = _STD::move(__u.__table_);
     return *this;
 }
 
@@ -1638,7 +1552,7 @@ unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=(
 
 template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
 template <class _A0, class... _Args,
-          class // = typename enable_if<is_constructible<key_type, _A0>::value>::type
+          class // = typename enable_if<is_convertible<_A0, key_type>::value>::type
          >
 typename unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__node_holder
 unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(
@@ -1646,11 +1560,11 @@ unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(
 {
     __node_allocator& __na = __table_.__node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.first),
-                             _VSTD::forward<_A0>(__a0));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.first),
+                             _STD::forward<_A0>(__a0));
     __h.get_deleter().__first_constructed = true;
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_.second),
-                             _VSTD::forward<_Args>(__args)...);
+    __node_traits::construct(__na, _STD::addressof(__h->__value_.second),
+                             _STD::forward<_Args>(__args)...);
     __h.get_deleter().__second_constructed = true;
     return __h;
 }
@@ -1659,15 +1573,15 @@ unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(
 
 template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
 template <class _A0,
-          class // = typename enable_if<is_constructible<value_type, _A0>::value>::type
+          class // = typename enable_if<is_convertible<_A0, value_type>::value>::type
          >
 typename unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__node_holder
 unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(_A0&& __a0)
 {
     __node_allocator& __na = __table_.__node_alloc();
     __node_holder __h(__node_traits::allocate(__na, 1), _D(__na));
-    __node_traits::construct(__na, _VSTD::addressof(__h->__value_),
-                             _VSTD::forward<_A0>(__a0));
+    __node_traits::construct(__na, _STD::addressof(__h->__value_),
+                             _STD::forward<_A0>(__a0));
     __h.get_deleter().__first_constructed = true;
     __h.get_deleter().__second_constructed = true;
     return __h;
@@ -1677,13 +1591,13 @@ unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(_A0&& __a0
 
 template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
 template <class _A0, class... _Args,
-          class // = typename enable_if<is_constructible<key_type, _A0>::value>::type
+          class // = typename enable_if<is_convertible<_A0, key_type>::value>::type
          >
 typename unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::iterator
 unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::emplace(_A0&& __a0, _Args&&... __args)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_A0>(__a0),
-                                         _VSTD::forward<_Args>(__args)...);
+    __node_holder __h = __construct_node(_STD::forward<_A0>(__a0),
+                                         _STD::forward<_Args>(__args)...);
     iterator __r = __table_.__node_insert_multi(__h.get());
     __h.release();
     return __r;
@@ -1691,14 +1605,14 @@ unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::emplace(_A0&& __a0, _Args&&
 
 template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
 template <class _A0, class... _Args,
-          class // = typename enable_if<is_constructible<key_type, _A0>::value>::type
+          class // = typename enable_if<is_convertible<_A0, key_type>::value>::type
          >
 typename unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::iterator
 unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::emplace_hint(
         const_iterator __p, _A0&& __a0, _Args&&... __args)
 {
-    __node_holder __h = __construct_node(_VSTD::forward<_A0>(__a0),
-                                         _VSTD::forward<_Args>(__args)...);
+    __node_holder __h = __construct_node(_STD::forward<_A0>(__a0),
+                                         _STD::forward<_Args>(__args)...);
     iterator __r = __table_.__node_insert_multi(__p.__i_, __h.get());
     __h.release();
     return __r;
@@ -1723,7 +1637,6 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
      unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }
@@ -1742,9 +1655,9 @@ operator==(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
     {
         _EqRng __xeq = __x.equal_range(__i->first);
         _EqRng __yeq = __y.equal_range(__i->first);
-        if (_VSTD::distance(__xeq.first, __xeq.second) !=
-            _VSTD::distance(__yeq.first, __yeq.second) ||
-                  !_VSTD::is_permutation(__xeq.first, __xeq.second, __yeq.first))
+        if (_STD::distance(__xeq.first, __xeq.second) !=
+            _STD::distance(__yeq.first, __yeq.second) ||
+                  !_STD::is_permutation(__xeq.first, __xeq.second, __yeq.first))
             return false;
         __i = __xeq.second;
     }

include/unordered_set

@@ -43,12 +43,7 @@ public:
     typedef /unspecified/ local_iterator;
     typedef /unspecified/ const_local_iterator;
 
-    unordered_set()
-        noexcept(
-            is_nothrow_default_constructible<hasher>::value &&
-            is_nothrow_default_constructible<key_equal>::value &&
-            is_nothrow_default_constructible<allocator_type>::value);
-    explicit unordered_set(size_type n, const hasher& hf = hasher(),
+    explicit unordered_set(size_type n = 0, const hasher& hf = hasher(),
                            const key_equal& eql = key_equal(),
                            const allocator_type& a = allocator_type());
     template <class InputIterator>
@@ -59,37 +54,28 @@ public:
     explicit unordered_set(const allocator_type&);
     unordered_set(const unordered_set&);
     unordered_set(const unordered_set&, const Allocator&);
-    unordered_set(unordered_set&&)
-        noexcept(
-            is_nothrow_move_constructible<hasher>::value &&
-            is_nothrow_move_constructible<key_equal>::value &&
-            is_nothrow_move_constructible<allocator_type>::value);
+    unordered_set(unordered_set&&);
     unordered_set(unordered_set&&, const Allocator&);
     unordered_set(initializer_list<value_type>, size_type n = 0,
                   const hasher& hf = hasher(), const key_equal& eql = key_equal(),
                   const allocator_type& a = allocator_type());
     ~unordered_set();
     unordered_set& operator=(const unordered_set&);
-    unordered_set& operator=(unordered_set&&)
-        noexcept(
-            allocator_type::propagate_on_container_move_assignment::value &&
-            is_nothrow_move_assignable<allocator_type>::value &&
-            is_nothrow_move_assignable<hasher>::value &&
-            is_nothrow_move_assignable<key_equal>::value);
+    unordered_set& operator=(unordered_set&&);
     unordered_set& operator=(initializer_list<value_type>);
 
-    allocator_type get_allocator() const noexcept;
+    allocator_type get_allocator() const;
 
-    bool      empty() const noexcept;
-    size_type size() const noexcept;
-    size_type max_size() const noexcept;
+    bool      empty() const;
+    size_type size() const;
+    size_type max_size() const;
 
-    iterator       begin() noexcept;
-    iterator       end() noexcept;
-    const_iterator begin()  const noexcept;
-    const_iterator end()    const noexcept;
-    const_iterator cbegin() const noexcept;
-    const_iterator cend()   const noexcept;
+    iterator       begin();
+    iterator       end();
+    const_iterator begin()  const;
+    const_iterator end()    const;
+    const_iterator cbegin() const;
+    const_iterator cend()   const;
 
     template <class... Args>
         pair<iterator, bool> emplace(Args&&... args);
@@ -106,14 +92,9 @@ public:
     iterator erase(const_iterator position);
     size_type erase(const key_type& k);
     iterator erase(const_iterator first, const_iterator last);
-    void clear() noexcept;
+    void clear();
 
-    void swap(unordered_set&)
-        noexcept(
-            (!allocator_type::propagate_on_container_swap::value ||
-             __is_nothrow_swappable<allocator_type>::value) &&
-            __is_nothrow_swappable<hasher>::value &&
-            __is_nothrow_swappable<key_equal>::value);
+    void swap(unordered_set&);
 
     hasher hash_function() const;
     key_equal key_eq() const;
@@ -124,8 +105,8 @@ public:
     pair<iterator, iterator>             equal_range(const key_type& k);
     pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
 
-    size_type bucket_count() const noexcept;
-    size_type max_bucket_count() const noexcept;
+    size_type bucket_count() const;
+    size_type max_bucket_count() const;
 
     size_type bucket_size(size_type n) const;
     size_type bucket(const key_type& k) const;
@@ -137,8 +118,8 @@ public:
     const_local_iterator cbegin(size_type n) const;
     const_local_iterator cend(size_type n) const;
 
-    float load_factor() const noexcept;
-    float max_load_factor() const noexcept;
+    float load_factor() const;
+    float max_load_factor() const;
     void max_load_factor(float z);
     void rehash(size_type n);
     void reserve(size_type n);
@@ -146,8 +127,7 @@ public:
 
 template <class Value, class Hash, class Pred, class Alloc>
     void swap(unordered_set<Value, Hash, Pred, Alloc>& x,
-              unordered_set<Value, Hash, Pred, Alloc>& y)
-              noexcept(noexcept(x.swap(y)));
+              unordered_set<Value, Hash, Pred, Alloc>& y);
 
 template <class Value, class Hash, class Pred, class Alloc>
     bool
@@ -182,12 +162,7 @@ public:
     typedef /unspecified/ local_iterator;
     typedef /unspecified/ const_local_iterator;
 
-    unordered_multiset()
-        noexcept(
-            is_nothrow_default_constructible<hasher>::value &&
-            is_nothrow_default_constructible<key_equal>::value &&
-            is_nothrow_default_constructible<allocator_type>::value);
-    explicit unordered_multiset(size_type n, const hasher& hf = hasher(),
+    explicit unordered_multiset(size_type n = 0, const hasher& hf = hasher(),
                            const key_equal& eql = key_equal(),
                            const allocator_type& a = allocator_type());
     template <class InputIterator>
@@ -198,37 +173,28 @@ public:
     explicit unordered_multiset(const allocator_type&);
     unordered_multiset(const unordered_multiset&);
     unordered_multiset(const unordered_multiset&, const Allocator&);
-    unordered_multiset(unordered_multiset&&)
-        noexcept(
-            is_nothrow_move_constructible<hasher>::value &&
-            is_nothrow_move_constructible<key_equal>::value &&
-            is_nothrow_move_constructible<allocator_type>::value);
+    unordered_multiset(unordered_multiset&&);
     unordered_multiset(unordered_multiset&&, const Allocator&);
     unordered_multiset(initializer_list<value_type>, size_type n = /see below/,
                   const hasher& hf = hasher(), const key_equal& eql = key_equal(),
                   const allocator_type& a = allocator_type());
     ~unordered_multiset();
     unordered_multiset& operator=(const unordered_multiset&);
-    unordered_multiset& operator=(unordered_multiset&&)
-        noexcept(
-            allocator_type::propagate_on_container_move_assignment::value &&
-            is_nothrow_move_assignable<allocator_type>::value &&
-            is_nothrow_move_assignable<hasher>::value &&
-            is_nothrow_move_assignable<key_equal>::value);
+    unordered_multiset& operator=(unordered_multiset&&);
     unordered_multiset& operator=(initializer_list<value_type>);
 
-    allocator_type get_allocator() const noexcept;
+    allocator_type get_allocator() const;
 
-    bool      empty() const noexcept;
-    size_type size() const noexcept;
-    size_type max_size() const noexcept;
+    bool      empty() const;
+    size_type size() const;
+    size_type max_size() const;
 
-    iterator       begin() noexcept;
-    iterator       end() noexcept;
-    const_iterator begin()  const noexcept;
-    const_iterator end()    const noexcept;
-    const_iterator cbegin() const noexcept;
-    const_iterator cend()   const noexcept;
+    iterator       begin();
+    iterator       end();
+    const_iterator begin()  const;
+    const_iterator end()    const;
+    const_iterator cbegin() const;
+    const_iterator cend()   const;
 
     template <class... Args>
         iterator emplace(Args&&... args);
@@ -245,14 +211,9 @@ public:
     iterator erase(const_iterator position);
     size_type erase(const key_type& k);
     iterator erase(const_iterator first, const_iterator last);
-    void clear() noexcept;
+    void clear();
 
-    void swap(unordered_multiset&)
-        noexcept(
-            (!allocator_type::propagate_on_container_swap::value ||
-             __is_nothrow_swappable<allocator_type>::value) &&
-            __is_nothrow_swappable<hasher>::value &&
-            __is_nothrow_swappable<key_equal>::value);
+    void swap(unordered_multiset&);
 
     hasher hash_function() const;
     key_equal key_eq() const;
@@ -263,8 +224,8 @@ public:
     pair<iterator, iterator>             equal_range(const key_type& k);
     pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
 
-    size_type bucket_count() const noexcept;
-    size_type max_bucket_count() const noexcept;
+    size_type bucket_count() const;
+    size_type max_bucket_count() const;
 
     size_type bucket_size(size_type n) const;
     size_type bucket(const key_type& k) const;
@@ -276,8 +237,8 @@ public:
     const_local_iterator cbegin(size_type n) const;
     const_local_iterator cend(size_type n) const;
 
-    float load_factor() const noexcept;
-    float max_load_factor() const noexcept;
+    float load_factor() const;
+    float max_load_factor() const;
     void max_load_factor(float z);
     void rehash(size_type n);
     void reserve(size_type n);
@@ -285,8 +246,7 @@ public:
 
 template <class Value, class Hash, class Pred, class Alloc>
     void swap(unordered_multiset<Value, Hash, Pred, Alloc>& x,
-              unordered_multiset<Value, Hash, Pred, Alloc>& y)
-              noexcept(noexcept(x.swap(y)));
+              unordered_multiset<Value, Hash, Pred, Alloc>& y);
 
 template <class Value, class Hash, class Pred, class Alloc>
     bool
@@ -340,9 +300,7 @@ public:
     typedef typename __table::const_local_iterator const_local_iterator;
 
     _LIBCPP_INLINE_VISIBILITY
-    unordered_set()
-        _NOEXCEPT_(is_nothrow_default_constructible<__table>::value)
-        {} // = default;
+    unordered_set() {} // = default;
     explicit unordered_set(size_type __n, const hasher& __hf = hasher(),
                            const key_equal& __eql = key_equal());
     unordered_set(size_type __n, const hasher& __hf, const key_equal& __eql,
@@ -361,8 +319,7 @@ public:
     unordered_set(const unordered_set& __u);
     unordered_set(const unordered_set& __u, const allocator_type& __a);
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    unordered_set(unordered_set&& __u)
-        _NOEXCEPT_(is_nothrow_move_constructible<__table>::value);
+    unordered_set(unordered_set&& __u);
     unordered_set(unordered_set&& __u, const allocator_type& __a);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     unordered_set(initializer_list<value_type> __il);
@@ -373,51 +330,45 @@ public:
                   const hasher& __hf, const key_equal& __eql,
                   const allocator_type& __a);
     // ~unordered_set() = default;
-    _LIBCPP_INLINE_VISIBILITY
-    unordered_set& operator=(const unordered_set& __u)
-    {
-        __table_ = __u.__table_;
-        return *this;
-    }
+    // unordered_set& operator=(const unordered_set& __u) = default;
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    unordered_set& operator=(unordered_set&& __u)
-        _NOEXCEPT_(is_nothrow_move_assignable<__table>::value);
+    unordered_set& operator=(unordered_set&& __u);
 #endif
     unordered_set& operator=(initializer_list<value_type> __il);
 
     _LIBCPP_INLINE_VISIBILITY
-    allocator_type get_allocator() const _NOEXCEPT
+    allocator_type get_allocator() const
         {return allocator_type(__table_.__node_alloc());}
 
     _LIBCPP_INLINE_VISIBILITY
-    bool      empty() const _NOEXCEPT {return __table_.size() == 0;}
+    bool      empty() const {return __table_.size() == 0;}
     _LIBCPP_INLINE_VISIBILITY
-    size_type size() const _NOEXCEPT  {return __table_.size();}
+    size_type size() const  {return __table_.size();}
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_size() const _NOEXCEPT {return __table_.max_size();}
+    size_type max_size() const {return __table_.max_size();}
 
     _LIBCPP_INLINE_VISIBILITY
-    iterator       begin() _NOEXCEPT        {return __table_.begin();}
+    iterator       begin()        {return __table_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    iterator       end() _NOEXCEPT          {return __table_.end();}
+    iterator       end()          {return __table_.end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator begin()  const _NOEXCEPT {return __table_.begin();}
+    const_iterator begin()  const {return __table_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator end()    const _NOEXCEPT {return __table_.end();}
+    const_iterator end()    const {return __table_.end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cbegin() const _NOEXCEPT {return __table_.begin();}
+    const_iterator cbegin() const {return __table_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cend()   const _NOEXCEPT {return __table_.end();}
+    const_iterator cend()   const {return __table_.end();}
 
 #if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS)
     template <class... _Args>
         _LIBCPP_INLINE_VISIBILITY
         pair<iterator, bool> emplace(_Args&&... __args)
-            {return __table_.__emplace_unique(_VSTD::forward<_Args>(__args)...);}
+            {return __table_.__emplace_unique(_STD::forward<_Args>(__args)...);}
     template <class... _Args>
         _LIBCPP_INLINE_VISIBILITY
         iterator emplace_hint(const_iterator, _Args&&... __args)
-            {return __table_.__emplace_unique(_VSTD::forward<_Args>(__args)...).first;}
+            {return __table_.__emplace_unique(_STD::forward<_Args>(__args)...).first;}
 #endif  // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS)
     _LIBCPP_INLINE_VISIBILITY
     pair<iterator, bool> insert(const value_type& __x)
@@ -425,7 +376,7 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     pair<iterator, bool> insert(value_type&& __x)
-        {return __table_.__insert_unique(_VSTD::move(__x));}
+        {return __table_.__insert_unique(_STD::move(__x));}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     iterator insert(const_iterator, const value_type& __x)
@@ -433,7 +384,7 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     iterator insert(const_iterator, value_type&& __x)
-        {return insert(_VSTD::move(__x)).first;}
+        {return insert(_STD::move(__x)).first;}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     template <class _InputIterator>
         void insert(_InputIterator __first, _InputIterator __last);
@@ -449,12 +400,10 @@ public:
     iterator erase(const_iterator __first, const_iterator __last)
         {return __table_.erase(__first, __last);}
     _LIBCPP_INLINE_VISIBILITY
-    void clear() _NOEXCEPT {__table_.clear();}
+    void clear() {__table_.clear();}
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(unordered_set& __u)
-        _NOEXCEPT_(__is_nothrow_swappable<__table>::value)
-        {__table_.swap(__u.__table_);}
+    void swap(unordered_set& __u) {__table_.swap(__u.__table_);}
 
     _LIBCPP_INLINE_VISIBILITY
     hasher hash_function() const {return __table_.hash_function();}
@@ -475,9 +424,9 @@ public:
         {return __table_.__equal_range_unique(__k);}
 
     _LIBCPP_INLINE_VISIBILITY
-    size_type bucket_count() const _NOEXCEPT {return __table_.bucket_count();}
+    size_type bucket_count() const {return __table_.bucket_count();}
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_bucket_count() const _NOEXCEPT {return __table_.max_bucket_count();}
+    size_type max_bucket_count() const {return __table_.max_bucket_count();}
 
     _LIBCPP_INLINE_VISIBILITY
     size_type bucket_size(size_type __n) const {return __table_.bucket_size(__n);}
@@ -498,9 +447,9 @@ public:
     const_local_iterator cend(size_type __n) const   {return __table_.cend(__n);}
 
     _LIBCPP_INLINE_VISIBILITY
-    float load_factor() const _NOEXCEPT {return __table_.load_factor();}
+    float load_factor() const {return __table_.load_factor();}
     _LIBCPP_INLINE_VISIBILITY
-    float max_load_factor() const _NOEXCEPT {return __table_.max_load_factor();}
+    float max_load_factor() const {return __table_.max_load_factor();}
     _LIBCPP_INLINE_VISIBILITY
     void max_load_factor(float __mlf) {__table_.max_load_factor(__mlf);}
     _LIBCPP_INLINE_VISIBILITY
@@ -587,21 +536,20 @@ template <class _Value, class _Hash, class _Pred, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set(
         unordered_set&& __u)
-    _NOEXCEPT_(is_nothrow_move_constructible<__table>::value)
-    : __table_(_VSTD::move(__u.__table_))
+    : __table_(_STD::move(__u.__table_))
 {
 }
 
 template <class _Value, class _Hash, class _Pred, class _Alloc>
 unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set(
         unordered_set&& __u, const allocator_type& __a)
-    : __table_(_VSTD::move(__u.__table_), __a)
+    : __table_(_STD::move(__u.__table_), __a)
 {
     if (__a != __u.get_allocator())
     {
         iterator __i = __u.begin();
         while (__u.size() != 0)
-            __table_.__insert_unique(_VSTD::move(__u.__table_.remove(__i++)->__value_));
+            __table_.__insert_unique(_STD::move(__u.__table_.remove(__i++)->__value_));
     }
 }
 
@@ -640,9 +588,8 @@ template <class _Value, class _Hash, class _Pred, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 unordered_set<_Value, _Hash, _Pred, _Alloc>&
 unordered_set<_Value, _Hash, _Pred, _Alloc>::operator=(unordered_set&& __u)
-    _NOEXCEPT_(is_nothrow_move_assignable<__table>::value)
 {
-    __table_ = _VSTD::move(__u.__table_);
+    __table_ = _STD::move(__u.__table_);
     return *this;
 }
 
@@ -674,7 +621,6 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(unordered_set<_Value, _Hash, _Pred, _Alloc>& __x,
      unordered_set<_Value, _Hash, _Pred, _Alloc>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }
@@ -738,9 +684,7 @@ public:
     typedef typename __table::const_local_iterator const_local_iterator;
 
     _LIBCPP_INLINE_VISIBILITY
-    unordered_multiset()
-        _NOEXCEPT_(is_nothrow_default_constructible<__table>::value)
-        {} // = default
+    unordered_multiset() {} // = default
     explicit unordered_multiset(size_type __n, const hasher& __hf = hasher(),
                                 const key_equal& __eql = key_equal());
     unordered_multiset(size_type __n, const hasher& __hf,
@@ -759,8 +703,7 @@ public:
     unordered_multiset(const unordered_multiset& __u);
     unordered_multiset(const unordered_multiset& __u, const allocator_type& __a);
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    unordered_multiset(unordered_multiset&& __u)
-        _NOEXCEPT_(is_nothrow_move_constructible<__table>::value);
+    unordered_multiset(unordered_multiset&& __u);
     unordered_multiset(unordered_multiset&& __u, const allocator_type& __a);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     unordered_multiset(initializer_list<value_type> __il);
@@ -771,57 +714,51 @@ public:
                        const hasher& __hf, const key_equal& __eql,
                        const allocator_type& __a);
     // ~unordered_multiset() = default;
-    _LIBCPP_INLINE_VISIBILITY
-    unordered_multiset& operator=(const unordered_multiset& __u)
-    {
-        __table_ = __u.__table_;
-        return *this;
-    }
+    // unordered_multiset& operator=(const unordered_multiset& __u) = default;
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    unordered_multiset& operator=(unordered_multiset&& __u)
-        _NOEXCEPT_(is_nothrow_move_assignable<__table>::value);
+    unordered_multiset& operator=(unordered_multiset&& __u);
 #endif
     unordered_multiset& operator=(initializer_list<value_type> __il);
 
     _LIBCPP_INLINE_VISIBILITY
-    allocator_type get_allocator() const _NOEXCEPT
+    allocator_type get_allocator() const
         {return allocator_type(__table_.__node_alloc());}
 
     _LIBCPP_INLINE_VISIBILITY
-    bool      empty() const _NOEXCEPT {return __table_.size() == 0;}
+    bool      empty() const {return __table_.size() == 0;}
     _LIBCPP_INLINE_VISIBILITY
-    size_type size() const _NOEXCEPT  {return __table_.size();}
+    size_type size() const  {return __table_.size();}
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_size() const _NOEXCEPT {return __table_.max_size();}
+    size_type max_size() const {return __table_.max_size();}
 
     _LIBCPP_INLINE_VISIBILITY
-    iterator       begin() _NOEXCEPT        {return __table_.begin();}
+    iterator       begin()        {return __table_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    iterator       end() _NOEXCEPT          {return __table_.end();}
+    iterator       end()          {return __table_.end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator begin()  const _NOEXCEPT {return __table_.begin();}
+    const_iterator begin()  const {return __table_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator end()    const _NOEXCEPT {return __table_.end();}
+    const_iterator end()    const {return __table_.end();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cbegin() const _NOEXCEPT {return __table_.begin();}
+    const_iterator cbegin() const {return __table_.begin();}
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator cend()   const _NOEXCEPT {return __table_.end();}
+    const_iterator cend()   const {return __table_.end();}
 
 #if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS)
     template <class... _Args>
         _LIBCPP_INLINE_VISIBILITY
         iterator emplace(_Args&&... __args)
-            {return __table_.__emplace_multi(_VSTD::forward<_Args>(__args)...);}
+            {return __table_.__emplace_multi(_STD::forward<_Args>(__args)...);}
     template <class... _Args>
         _LIBCPP_INLINE_VISIBILITY
         iterator emplace_hint(const_iterator __p, _Args&&... __args)
-            {return __table_.__emplace_hint_multi(__p, _VSTD::forward<_Args>(__args)...);}
+            {return __table_.__emplace_hint_multi(__p, _STD::forward<_Args>(__args)...);}
 #endif  // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS)
     _LIBCPP_INLINE_VISIBILITY
     iterator insert(const value_type& __x) {return __table_.__insert_multi(__x);}
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
-    iterator insert(value_type&& __x) {return __table_.__insert_multi(_VSTD::move(__x));}
+    iterator insert(value_type&& __x) {return __table_.__insert_multi(_STD::move(__x));}
 #endif
     _LIBCPP_INLINE_VISIBILITY
     iterator insert(const_iterator __p, const value_type& __x)
@@ -829,7 +766,7 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     iterator insert(const_iterator __p, value_type&& __x)
-        {return __table_.__insert_multi(__p, _VSTD::move(__x));}
+        {return __table_.__insert_multi(__p, _STD::move(__x));}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     template <class _InputIterator>
         void insert(_InputIterator __first, _InputIterator __last);
@@ -845,12 +782,10 @@ public:
     iterator erase(const_iterator __first, const_iterator __last)
         {return __table_.erase(__first, __last);}
     _LIBCPP_INLINE_VISIBILITY
-    void clear() _NOEXCEPT {__table_.clear();}
+    void clear() {__table_.clear();}
 
     _LIBCPP_INLINE_VISIBILITY
-    void swap(unordered_multiset& __u)
-        _NOEXCEPT_(__is_nothrow_swappable<__table>::value)
-        {__table_.swap(__u.__table_);}
+    void swap(unordered_multiset& __u) {__table_.swap(__u.__table_);}
 
     _LIBCPP_INLINE_VISIBILITY
     hasher hash_function() const {return __table_.hash_function();}
@@ -871,9 +806,9 @@ public:
         {return __table_.__equal_range_multi(__k);}
 
     _LIBCPP_INLINE_VISIBILITY
-    size_type bucket_count() const _NOEXCEPT {return __table_.bucket_count();}
+    size_type bucket_count() const {return __table_.bucket_count();}
     _LIBCPP_INLINE_VISIBILITY
-    size_type max_bucket_count() const _NOEXCEPT {return __table_.max_bucket_count();}
+    size_type max_bucket_count() const {return __table_.max_bucket_count();}
 
     _LIBCPP_INLINE_VISIBILITY
     size_type bucket_size(size_type __n) const {return __table_.bucket_size(__n);}
@@ -894,9 +829,9 @@ public:
     const_local_iterator cend(size_type __n) const   {return __table_.cend(__n);}
 
     _LIBCPP_INLINE_VISIBILITY
-    float load_factor() const _NOEXCEPT {return __table_.load_factor();}
+    float load_factor() const {return __table_.load_factor();}
     _LIBCPP_INLINE_VISIBILITY
-    float max_load_factor() const _NOEXCEPT {return __table_.max_load_factor();}
+    float max_load_factor() const {return __table_.max_load_factor();}
     _LIBCPP_INLINE_VISIBILITY
     void max_load_factor(float __mlf) {__table_.max_load_factor(__mlf);}
     _LIBCPP_INLINE_VISIBILITY
@@ -984,21 +919,20 @@ template <class _Value, class _Hash, class _Pred, class _Alloc>
 inline _LIBCPP_INLINE_VISIBILITY
 unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset(
         unordered_multiset&& __u)
-    _NOEXCEPT_(is_nothrow_move_constructible<__table>::value)
-    : __table_(_VSTD::move(__u.__table_))
+    : __table_(_STD::move(__u.__table_))
 {
 }
 
 template <class _Value, class _Hash, class _Pred, class _Alloc>
 unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset(
         unordered_multiset&& __u, const allocator_type& __a)
-    : __table_(_VSTD::move(__u.__table_), __a)
+    : __table_(_STD::move(__u.__table_), __a)
 {
     if (__a != __u.get_allocator())
     {
         iterator __i = __u.begin();
         while (__u.size() != 0)
-            __table_.__insert_multi(_VSTD::move(__u.__table_.remove(__i++)->__value_));
+            __table_.__insert_multi(_STD::move(__u.__table_.remove(__i++)->__value_));
     }
 }
 
@@ -1038,9 +972,8 @@ inline _LIBCPP_INLINE_VISIBILITY
 unordered_multiset<_Value, _Hash, _Pred, _Alloc>&
 unordered_multiset<_Value, _Hash, _Pred, _Alloc>::operator=(
         unordered_multiset&& __u)
-    _NOEXCEPT_(is_nothrow_move_assignable<__table>::value)
 {
-    __table_ = _VSTD::move(__u.__table_);
+    __table_ = _STD::move(__u.__table_);
     return *this;
 }
 
@@ -1072,7 +1005,6 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
      unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }
@@ -1091,9 +1023,9 @@ operator==(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
     {
         _EqRng __xeq = __x.equal_range(*__i);
         _EqRng __yeq = __y.equal_range(*__i);
-        if (_VSTD::distance(__xeq.first, __xeq.second) !=
-            _VSTD::distance(__yeq.first, __yeq.second) ||
-                  !_VSTD::is_permutation(__xeq.first, __xeq.second, __yeq.first))
+        if (_STD::distance(__xeq.first, __xeq.second) !=
+            _STD::distance(__yeq.first, __yeq.second) ||
+                  !_STD::is_permutation(__xeq.first, __xeq.second, __yeq.first))
             return false;
         __i = __xeq.second;
     }

include/utility

@@ -29,19 +29,11 @@ namespace rel_ops
     template<class T> bool operator>=(const T&, const T&);
 }
 
-template<class T>
-void
-swap(T& a, T& b) noexcept(is_nothrow_move_constructible<T>::value &&
-                          is_nothrow_move_assignable<T>::value);
+template<class T> void swap(T& a, T& b);
+template <class T, size_t N> void swap(T (&a)[N], T (&b)[N]);
 
-template <class T, size_t N>
-void
-swap(T (&a)[N], T (&b)[N]) noexcept(noexcept(swap(*a, *b)));
-
-template <class T> T&& forward(typename remove_reference<T>::type& t) noexcept;
-template <class T> T&& forward(typename remove_reference<T>::type&& t) noexcept;
-
-template <class T> typename remove_reference<T>::type&& move(T&&) noexcept;
+template <class T, class U> T&& forward(U&&);
+template <class T> typename remove_reference<T>::type&& move(T&&);
 
 template <class T>
     typename conditional
@@ -50,7 +42,7 @@ template <class T>
         const T&,
         T&&
     >::type
-    move_if_noexcept(T& x) noexcept;
+    move_if_noexcept(T& x);
 
 template <class T> typename add_rvalue_reference<T>::type declval() noexcept;
 
@@ -64,7 +56,6 @@ struct pair
     T2 second;
 
     pair(const pair&) = default;
-    pair(pair&&) = default;
     constexpr pair();
     pair(const T1& x, const T2& y);
     template <class U, class V> pair(U&& x, V&& y);
@@ -75,12 +66,10 @@ struct pair
              tuple<Args2...> second_args);
 
     template <class U, class V> pair& operator=(const pair<U, V>& p);
-    pair& operator=(pair&& p) noexcept(is_nothrow_move_assignable<T1>::value &&
-                                       is_nothrow_move_assignable<T2>::value);
+    pair& operator=(pair&& p);
     template <class U, class V> pair& operator=(pair<U, V>&& p);
 
-    void swap(pair& p) noexcept(noexcept(swap(first, p.first)) &&
-                                noexcept(swap(second, p.second)));
+    void swap(pair& p);
 };
 
 template <class T1, class T2> bool operator==(const pair<T1,T2>&, const pair<T1,T2>&);
@@ -91,9 +80,7 @@ template <class T1, class T2> bool operator>=(const pair<T1,T2>&, const pair<T1,
 template <class T1, class T2> bool operator<=(const pair<T1,T2>&, const pair<T1,T2>&);
 
 template <class T1, class T2> pair<V1, V2> make_pair(T1&&, T2&&);
-template <class T1, class T2>
-void
-swap(pair<T1, T2>& x, pair<T1, T2>& y) noexcept(noexcept(x.swap(y)));
+template <class T1, class T2> void swap(pair<T1, T2>& x, pair<T1, T2>& y);
 
 struct piecewise_construct_t { };
 constexpr piecewise_construct_t piecewise_construct = piecewise_construct_t();
@@ -107,15 +94,15 @@ template <class T1, class T2> struct tuple_element<1, std::pair<T1, T2> >;
 
 template<size_t I, class T1, class T2>
     typename tuple_element<I, std::pair<T1, T2> >::type&
-    get(std::pair<T1, T2>&) noexcept;
+    get(std::pair<T1, T2>&);
 
 template<size_t I, class T1, class T2>
     const typename const tuple_element<I, std::pair<T1, T2> >::type&
-    get(const std::pair<T1, T2>&) noexcept;
+    get(const std::pair<T1, T2>&);
 
 template<size_t I, class T1, class T2>
     typename tuple_element<I, std::pair<T1, T2> >::type&&
-    get(std::pair<T1, T2>&&) noexcept;
+    get(std::pair<T1, T2>&&);
 
 }  // std
 
@@ -181,9 +168,9 @@ swap_ranges(_ForwardIterator1 __first1, _ForwardIterator1 __last1, _ForwardItera
 template<class _Tp, size_t _N>
 inline _LIBCPP_INLINE_VISIBILITY
 void
-swap(_Tp (&__a)[_N], _Tp (&__b)[_N]) _NOEXCEPT_(__is_nothrow_swappable<_Tp>::value)
+swap(_Tp (&__a)[_N], _Tp (&__b)[_N])
 {
-    _VSTD::swap_ranges(__a, __a + _N, __b);
+    _STD::swap_ranges(__a, __a + _N, __b);
 }
 
 template <class _Tp>
@@ -198,15 +185,18 @@ typename conditional
 #else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 const _Tp&
 #endif
-move_if_noexcept(_Tp& __x) _NOEXCEPT
+move_if_noexcept(_Tp& __x)
 {
-    return _VSTD::move(__x);
+    return _STD::move(__x);
 }
 
 struct _LIBCPP_VISIBLE piecewise_construct_t { };
 //constexpr
 extern const piecewise_construct_t piecewise_construct;// = piecewise_construct_t();
 
+template <class _T1, class _T2> struct pair;
+template <class _T1, class _T2> void swap(pair<_T1, _T2>&, pair<_T1, _T2>&);
+
 template <class _T1, class _T2>
 struct _LIBCPP_VISIBLE pair
 {
@@ -216,86 +206,31 @@ struct _LIBCPP_VISIBLE pair
     _T1 first;
     _T2 second;
 
-    // pair(const pair&) = default;
-    // pair(pair&&) = default;
-
     _LIBCPP_INLINE_VISIBILITY pair() : first(), second() {}
 
     _LIBCPP_INLINE_VISIBILITY pair(const _T1& __x, const _T2& __y)
         : first(__x), second(__y) {}
 
-    template<class _U1, class _U2>
-        _LIBCPP_INLINE_VISIBILITY
-        pair(const pair<_U1, _U2>& __p,
-                 typename enable_if<is_constructible<_T1, _U1>::value &&
-                                    is_constructible<_T2, _U2>::value>::type* = 0)
-            : first(__p.first), second(__p.second) {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    pair(const pair& __p)
-        _NOEXCEPT_(is_nothrow_copy_constructible<first_type>::value &&
-                   is_nothrow_copy_constructible<second_type>::value)
-        : first(__p.first),
-          second(__p.second)
-    {
-    }
-
-    _LIBCPP_INLINE_VISIBILITY
-    pair& operator=(const pair& __p)
-        _NOEXCEPT_(is_nothrow_copy_assignable<first_type>::value &&
-                   is_nothrow_copy_assignable<second_type>::value)
-    {
-        first = __p.first;
-        second = __p.second;
-        return *this;
-    }
-
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     template <class _U1, class _U2,
-              class = typename enable_if<is_constructible<first_type, _U1 >::value &&
-                                         is_constructible<second_type, _U2>::value>::type>
+              class = typename enable_if<is_convertible<_U1, first_type >::value &&
+                                         is_convertible<_U2, second_type>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         pair(_U1&& __u1, _U2&& __u2)
-            : first(_VSTD::forward<_U1>(__u1)),
-              second(_VSTD::forward<_U2>(__u2))
+            : first(_STD::forward<_U1>(__u1)),
+              second(_STD::forward<_U2>(__u2))
             {}
 
-    template<class _U1, class _U2>
-        _LIBCPP_INLINE_VISIBILITY
-        pair(pair<_U1, _U2>&& __p,
-                 typename enable_if<is_constructible<_T1, _U1>::value &&
-                                    is_constructible<_T2, _U2>::value>::type* = 0)
-            : first(_VSTD::forward<_U1>(__p.first)),
-              second(_VSTD::forward<_U2>(__p.second)) {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    pair(pair&& __p) _NOEXCEPT_(is_nothrow_move_constructible<first_type>::value &&
-                                is_nothrow_move_constructible<second_type>::value)
-        : first(_VSTD::forward<first_type>(__p.first)),
-          second(_VSTD::forward<second_type>(__p.second))
-    {
-    }
-
-    _LIBCPP_INLINE_VISIBILITY
-    pair&
-    operator=(pair&& __p) _NOEXCEPT_(is_nothrow_move_assignable<first_type>::value &&
-                                     is_nothrow_move_assignable<second_type>::value)
-    {
-        first = _VSTD::forward<first_type>(__p.first);
-        second = _VSTD::forward<second_type>(__p.second);
-        return *this;
-    }
-
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template<class _Tuple,
              class = typename enable_if<__tuple_convertible<_Tuple, pair>::value>::type>
         _LIBCPP_INLINE_VISIBILITY
         pair(_Tuple&& __p)
-            : first(_VSTD::forward<typename tuple_element<0,
+            : first(_STD::forward<typename tuple_element<0,
                                   typename __make_tuple_types<_Tuple>::type>::type>(get<0>(__p))),
-              second(_VSTD::forward<typename tuple_element<1,
+              second(_STD::forward<typename tuple_element<1,
                                    typename __make_tuple_types<_Tuple>::type>::type>(get<1>(__p)))
             {}
 
@@ -319,22 +254,19 @@ struct _LIBCPP_VISIBLE pair
             typedef typename __make_tuple_types<_Tuple>::type _TupleRef;
             typedef typename tuple_element<0, _TupleRef>::type _U0;
             typedef typename tuple_element<1, _TupleRef>::type _U1;
-            first  = _VSTD::forward<_U0>(_VSTD::get<0>(__p));
-            second = _VSTD::forward<_U1>(_VSTD::get<1>(__p));
+            first  = _STD::forward<_U0>(_STD::get<0>(__p));
+            second = _STD::forward<_U1>(_STD::get<1>(__p));
             return *this;
         }
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 
+#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    template<class _U1, class _U2>
+        _LIBCPP_INLINE_VISIBILITY pair(const pair<_U1, _U2>& __p)
+            : first(__p.first), second(__p.second) {}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
-    void
-    swap(pair& __p) _NOEXCEPT_(__is_nothrow_swappable<first_type>::value &&
-                               __is_nothrow_swappable<second_type>::value)
-    {
-        _VSTD::iter_swap(&first, &__p.first);
-        _VSTD::iter_swap(&second, &__p.second);
-    }
+    void _LIBCPP_INLINE_VISIBILITY swap(pair& __p) {_STD::swap(*this, __p);}
 private:
 
 #ifndef _LIBCPP_HAS_NO_VARIADICS
@@ -396,17 +328,11 @@ operator<=(const pair<_T1,_T2>& __x, const pair<_T1,_T2>& __y)
 
 template <class _T1, class _T2>
 inline _LIBCPP_INLINE_VISIBILITY
-typename enable_if
-<
-    __is_swappable<_T1>::value &&
-    __is_swappable<_T2>::value,
-    void
->::type
+void
 swap(pair<_T1, _T2>& __x, pair<_T1, _T2>& __y)
-                     _NOEXCEPT_((__is_nothrow_swappable<_T1>::value &&
-                                 __is_nothrow_swappable<_T2>::value))
 {
-    __x.swap(__y);
+    swap(__x.first, __y.first);
+    swap(__x.second, __y.second);
 }
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -437,7 +363,7 @@ pair<typename __make_pair_return<_T1>::type, typename __make_pair_return<_T2>::t
 make_pair(_T1&& __t1, _T2&& __t2)
 {
     return pair<typename __make_pair_return<_T1>::type, typename __make_pair_return<_T2>::type>
-               (_VSTD::forward<_T1>(__t1), _VSTD::forward<_T2>(__t2));
+               (_STD::forward<_T1>(__t1), _STD::forward<_T2>(__t2));
 }
 
 #else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
@@ -499,13 +425,13 @@ struct __get_pair<0>
     static
     _LIBCPP_INLINE_VISIBILITY
     _T1&
-    get(pair<_T1, _T2>& __p) _NOEXCEPT {return __p.first;}
+    get(pair<_T1, _T2>& __p) {return __p.first;}
 
     template <class _T1, class _T2>
     static
     _LIBCPP_INLINE_VISIBILITY
     const _T1&
-    get(const pair<_T1, _T2>& __p) _NOEXCEPT {return __p.first;}
+    get(const pair<_T1, _T2>& __p) {return __p.first;}
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
@@ -513,7 +439,7 @@ struct __get_pair<0>
     static
     _LIBCPP_INLINE_VISIBILITY
     _T1&&
-    get(pair<_T1, _T2>&& __p) _NOEXCEPT {return _VSTD::forward<_T1>(__p.first);}
+    get(pair<_T1, _T2>&& __p) {return _STD::forward<_T1>(__p.first);}
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 };
@@ -525,13 +451,13 @@ struct __get_pair<1>
     static
     _LIBCPP_INLINE_VISIBILITY
     _T2&
-    get(pair<_T1, _T2>& __p) _NOEXCEPT {return __p.second;}
+    get(pair<_T1, _T2>& __p) {return __p.second;}
 
     template <class _T1, class _T2>
     static
     _LIBCPP_INLINE_VISIBILITY
     const _T2&
-    get(const pair<_T1, _T2>& __p) _NOEXCEPT {return __p.second;}
+    get(const pair<_T1, _T2>& __p) {return __p.second;}
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
@@ -539,7 +465,7 @@ struct __get_pair<1>
     static
     _LIBCPP_INLINE_VISIBILITY
     _T2&&
-    get(pair<_T1, _T2>&& __p) _NOEXCEPT {return _VSTD::forward<_T2>(__p.second);}
+    get(pair<_T1, _T2>&& __p) {return _STD::forward<_T2>(__p.second);}
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 };
@@ -547,7 +473,7 @@ struct __get_pair<1>
 template <size_t _Ip, class _T1, class _T2>
 _LIBCPP_INLINE_VISIBILITY inline
 typename tuple_element<_Ip, pair<_T1, _T2> >::type&
-get(pair<_T1, _T2>& __p) _NOEXCEPT
+get(pair<_T1, _T2>& __p)
 {
     return __get_pair<_Ip>::get(__p);
 }
@@ -555,7 +481,7 @@ get(pair<_T1, _T2>& __p) _NOEXCEPT
 template <size_t _Ip, class _T1, class _T2>
 _LIBCPP_INLINE_VISIBILITY inline
 const typename tuple_element<_Ip, pair<_T1, _T2> >::type&
-get(const pair<_T1, _T2>& __p) _NOEXCEPT
+get(const pair<_T1, _T2>& __p)
 {
     return __get_pair<_Ip>::get(__p);
 }
@@ -565,9 +491,9 @@ get(const pair<_T1, _T2>& __p) _NOEXCEPT
 template <size_t _Ip, class _T1, class _T2>
 _LIBCPP_INLINE_VISIBILITY inline
 typename tuple_element<_Ip, pair<_T1, _T2> >::type&&
-get(pair<_T1, _T2>&& __p) _NOEXCEPT
+get(pair<_T1, _T2>&& __p)
 {
-    return __get_pair<_Ip>::get(_VSTD::move(__p));
+    return __get_pair<_Ip>::get(_STD::move(__p));
 }
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES

include/valarray

@@ -2862,7 +2862,7 @@ valarray<_Tp>::operator=(const valarray& __v)
     {
         if (size() != __v.size())
             resize(__v.size());
-        _VSTD::copy(__v.__begin_, __v.__end_, __begin_);
+        _STD::copy(__v.__begin_, __v.__end_, __begin_);
     }
     return *this;
 }
@@ -2889,7 +2889,7 @@ valarray<_Tp>::operator=(initializer_list<value_type> __il)
 {
     if (size() != __il.size())
         resize(__il.size());
-    _VSTD::copy(__il.begin(), __il.end(), __begin_);
+    _STD::copy(__il.begin(), __il.end(), __begin_);
     return *this;
 }
 
@@ -2900,7 +2900,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 valarray<_Tp>&
 valarray<_Tp>::operator=(const value_type& __x)
 {
-    _VSTD::fill(__begin_, __end_, __x);
+    _STD::fill(__begin_, __end_, __x);
     return *this;
 }
 
@@ -3415,8 +3415,8 @@ inline _LIBCPP_INLINE_VISIBILITY
 void
 valarray<_Tp>::swap(valarray& __v)
 {
-    _VSTD::swap(__begin_, __v.__begin_);
-    _VSTD::swap(__end_, __v.__end_);
+    _STD::swap(__begin_, __v.__begin_);
+    _STD::swap(__end_, __v.__end_);
 }
 
 template <class _Tp>
@@ -3440,7 +3440,7 @@ valarray<_Tp>::min() const
 {
     if (__begin_ == __end_)
         return value_type();
-    return *_VSTD::min_element(__begin_, __end_);
+    return *_STD::min_element(__begin_, __end_);
 }
 
 template <class _Tp>
@@ -3450,7 +3450,7 @@ valarray<_Tp>::max() const
 {
     if (__begin_ == __end_)
         return value_type();
-    return *_VSTD::max_element(__begin_, __end_);
+    return *_STD::max_element(__begin_, __end_);
 }
 
 template <class _Tp>
@@ -3469,14 +3469,14 @@ valarray<_Tp>::shift(int __i) const
         value_type* __te;
         if (__i >= 0)
         {
-            __i = _VSTD::min(__i, static_cast<int>(__n));
+            __i = _STD::min(__i, static_cast<int>(__n));
             __sb = __begin_ + __i;
             __tb = __r.__begin_;
             __te = __r.__begin_ + (__n - __i);
         }
         else
         {
-            __i = _VSTD::min(-__i, static_cast<int>(__n));
+            __i = _STD::min(-__i, static_cast<int>(__n));
             __sb = __begin_;
             __tb = __r.__begin_ + __i;
             __te = __r.__begin_ + __n;

lib/CMakeLists.txt

@@ -27,7 +27,6 @@ endif()
 append_if(libraries LIBCXX_HAS_PTHREAD_LIB pthread)
 append_if(libraries LIBCXX_HAS_C_LIB c)
 append_if(libraries LIBCXX_HAS_M_LIB m)
-append_if(libraries LIBCXX_HAS_RT_LIB rt)
 append_if(libraries LIBCXX_HAS_GCC_S_LIB gcc_s)
 
 target_link_libraries(cxx ${libraries})

lib/buildit

@@ -17,17 +17,9 @@ then
 	CXX=clang++
 fi
 
-if [ -z "$CC" ]
-then
-    CC=clang
-fi
-
 if [ -z $MACOSX_DEPLOYMENT_TARGET ]
 then
-	if [ -z $IPHONEOS_DEPLOYMENT_TARGET ]
-	then
-		MACOSX_DEPLOYMENT_TARGET=10.6
-	fi
+  MACOSX_DEPLOYMENT_TARGET=10.6
 fi
 
 if [ -z $RC_ProjectSourceVersion ]
@@ -35,11 +27,9 @@ then
   RC_ProjectSourceVersion=1
 fi
 
-EXTRA_FLAGS="-std=c++0x "
-
 case $TRIPLE in
   *-apple-*)
-    if [ -z $RC_XBS ]
+    if [ -z $RC_BUILDIT ]
     then
       RC_CFLAGS="-arch i386 -arch x86_64"
     fi
@@ -55,27 +45,16 @@ case $TRIPLE in
 			-Wl,-unexported_symbols_list,libc++unexp.exp  \
 			/usr/lib/libSystem.B.dylib"
 	else
-		RE_EXPORT_LINE="/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_list,libc++abi.exp"
-		if [ -n "$SDKROOT" ]
-		then
-			EXTRA_FLAGS+="-isysroot ${SDKROOT}"
-			if echo "${RC_ARCHS}" | grep -q "armv7"  
-			then
-				RE_EXPORT_LINE="${SDKROOT}/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_list,libc++sjlj-abi.exp"
-			else
-				RE_EXPORT_LINE="-Wl,-reexport_library,${SDKROOT}/usr/lib/libc++abi.dylib"
-			fi
-			CXX=`xcrun -sdk "${SDKROOT}"  -find clang++`
-			CC=`xcrun -sdk "${SDKROOT}"  -find clang`
-		fi
-	    LDSHARED_FLAGS="-o libc++.1.dylib \
+	    EXTRA_FLAGS="-std=c++0x"
+		LDSHARED_FLAGS="-o libc++.1.dylib \
 			-dynamiclib -nodefaultlibs  \
 			-current_version ${RC_ProjectSourceVersion} -compatibility_version 1 \
 			-install_name /usr/lib/libc++.1.dylib \
+			${SDKROOT}/usr/lib/libc++abi.dylib \
 			-lSystem  \
 			-Wl,-unexported_symbols_list,libc++unexp.exp  \
-			${RE_EXPORT_LINE}  \
-			-Wl,-force_symbols_not_weak_list,notweak.exp "
+			-Wl,-reexported_symbols_list,libc++abi.exp \
+			-Wl,-force_symbols_not_weak_list,notweak.exp"
 	fi
     ;;
   *)
@@ -83,11 +62,11 @@ case $TRIPLE in
     SOEXT=so
     LDSHARED_FLAGS="-o libc++.so.1.0 \
         -shared -nodefaultlibs -Wl,-soname,libc++.so.1 \
-        -lpthread -lrt -lc -lstdc++"
+        -lpthread -lrt -lc"
     ;;
 esac
 
-if [ -z $RC_XBS ]
+if [ -z $RC_BUILDIT ]
 then
     rm -f libc++.1.$SOEXT*
 fi
@@ -99,11 +78,11 @@ for FILE in ../src/*.cpp; do
 done
 
 
-$CC *.o $RC_CFLAGS $LDSHARED_FLAGS $EXTRA_FLAGS
+cc *.o $RC_CFLAGS $LDSHARED_FLAGS
 
 #libtool -static -o libc++.a *.o
 
-if [ -z $RC_XBS ]
+if [ -z $RC_BUILDIT ]
 then
     rm *.o
 fi

lib/libc++sjlj-abi.exp

@@ -1,159 +0,0 @@
-___cxa_allocate_exception
-___cxa_end_catch
-___cxa_demangle
-___cxa_current_exception_type
-___cxa_call_unexpected
-___cxa_free_exception
-___cxa_get_exception_ptr
-___cxa_get_globals
-___cxa_get_globals_fast
-___cxa_guard_abort
-___cxa_guard_acquire
-___cxa_guard_release
-___cxa_rethrow
-___cxa_pure_virtual
-___cxa_begin_catch
-___cxa_throw
-___cxa_vec_cctor
-___cxa_vec_cleanup
-___cxa_vec_ctor
-___cxa_vec_delete
-___cxa_vec_delete2
-___cxa_vec_delete3
-___cxa_vec_dtor
-___cxa_vec_new
-___cxa_vec_new2
-___cxa_vec_new3
-___dynamic_cast
-___gxx_personality_sj0
-__ZTIDi
-__ZTIDn
-__ZTIDs
-__ZTIPDi
-__ZTIPDn
-__ZTIPDs
-__ZTIPKDi
-__ZTIPKDn
-__ZTIPKDs
-__ZTSPm
-__ZTSPl
-__ZTSPj
-__ZTSPi
-__ZTSPh
-__ZTSPf
-__ZTSPe
-__ZTSPd
-__ZTSPc
-__ZTSPb
-__ZTSPa
-__ZTSPKc
-__ZTSPKy
-__ZTSPKx
-__ZTSPKw
-__ZTSPKv
-__ZTSPKt
-__ZTSPKs
-__ZTSPKm
-__ZTSPKl
-__ZTSPKi
-__ZTSPKh
-__ZTSPs
-__ZTSPt
-__ZTSPv
-__ZTSPw
-__ZTSPKa
-__ZTSPx
-__ZTSPy
-__ZTSPKd
-__ZTSPKe
-__ZTSPKj
-__ZTSPKb
-__ZTSPKf
-__ZTSv
-__ZTSt
-__ZTSs
-__ZTSm
-__ZTSl
-__ZTSj
-__ZTSi
-__ZTSh
-__ZTSf
-__ZTSe
-__ZTSd
-__ZTSc
-__ZTSw
-__ZTSx
-__ZTSy
-__ZTSb
-__ZTSa
-__ZTIPKh
-__ZTIPKf
-__ZTIPKe
-__ZTIPKd
-__ZTIPKc
-__ZTIPKb
-__ZTIPKa
-__ZTIPy
-__ZTIPx
-__ZTIPw
-__ZTIPv
-__ZTIPt
-__ZTIPs
-__ZTIPm
-__ZTIPl
-__ZTIPj
-__ZTIPi
-__ZTIPKi
-__ZTIPKj
-__ZTIPKl
-__ZTIPKm
-__ZTIPKs
-__ZTIPKt
-__ZTIPKv
-__ZTIPKw
-__ZTIPKx
-__ZTIPKy
-__ZTIPa
-__ZTIPb
-__ZTIPc
-__ZTIPd
-__ZTIPe
-__ZTIPf
-__ZTIPh
-__ZTVN10__cxxabiv129__pointer_to_member_type_infoE
-__ZTVN10__cxxabiv116__enum_type_infoE
-__ZTVN10__cxxabiv117__array_type_infoE
-__ZTVN10__cxxabiv117__class_type_infoE
-__ZTVN10__cxxabiv117__pbase_type_infoE
-__ZTVN10__cxxabiv119__pointer_type_infoE
-__ZTVN10__cxxabiv120__function_type_infoE
-__ZTVN10__cxxabiv120__si_class_type_infoE
-__ZTVN10__cxxabiv121__vmi_class_type_infoE
-__ZTVN10__cxxabiv123__fundamental_type_infoE
-__ZTIa
-__ZTIb
-__ZTIc
-__ZTId
-__ZTIe
-__ZTIf
-__ZTIh
-__ZTIi
-__ZTIj
-__ZTIl
-__ZTIm
-__ZTIs
-__ZTIt
-__ZTSN10__cxxabiv129__pointer_to_member_type_infoE
-__ZTSN10__cxxabiv123__fundamental_type_infoE
-__ZTSN10__cxxabiv121__vmi_class_type_infoE
-__ZTSN10__cxxabiv120__si_class_type_infoE
-__ZTSN10__cxxabiv120__function_type_infoE
-__ZTSN10__cxxabiv119__pointer_type_infoE
-__ZTSN10__cxxabiv117__pbase_type_infoE
-__ZTSN10__cxxabiv117__class_type_infoE
-__ZTSN10__cxxabiv117__array_type_infoE
-__ZTSN10__cxxabiv116__enum_type_infoE
-__ZTIy
-__ZTIx
-__ZTIw
-__ZTIv

src/chrono.cpp

@@ -25,7 +25,7 @@ namespace chrono
 // system_clock
 
 system_clock::time_point
-system_clock::now() _NOEXCEPT
+system_clock::now()
 {
     timeval tv;
     gettimeofday(&tv, 0);
@@ -33,13 +33,13 @@ system_clock::now() _NOEXCEPT
 }
 
 time_t
-system_clock::to_time_t(const time_point& t) _NOEXCEPT
+system_clock::to_time_t(const time_point& t)
 {
     return time_t(duration_cast<seconds>(t.time_since_epoch()).count());
 }
 
 system_clock::time_point
-system_clock::from_time_t(time_t t) _NOEXCEPT
+system_clock::from_time_t(time_t t)
 {
     return system_clock::time_point(seconds(t));
 }
@@ -97,7 +97,7 @@ init_steady_clock()
 #pragma GCC visibility pop
 
 steady_clock::time_point
-steady_clock::now() _NOEXCEPT
+steady_clock::now()
 {
     static FP fp = init_steady_clock();
     return time_point(duration(fp()));
@@ -114,7 +114,7 @@ steady_clock::now() _NOEXCEPT
 //  instead.
 
 steady_clock::time_point
-steady_clock::now() _NOEXCEPT
+steady_clock::now()
 {
     struct timespec tp;
     if (0 != clock_gettime(CLOCK_MONOTONIC, &tp))

src/exception.cpp

@@ -24,18 +24,17 @@
 #endif  // __APPLE__
 
 std::unexpected_handler
-std::set_unexpected(std::unexpected_handler func) _NOEXCEPT
+std::set_unexpected(std::unexpected_handler func) throw()
 {
     return __sync_lock_test_and_set(&__unexpected_handler, func);
 }
 
 std::unexpected_handler
-std::get_unexpected() _NOEXCEPT
+std::get_unexpected() throw()
 {
     return __sync_fetch_and_add(&__unexpected_handler, (std::unexpected_handler)0);
 }
 
-_ATTRIBUTE(noreturn)
 void
 std::unexpected()
 {
@@ -45,19 +44,19 @@ std::unexpected()
 }
 
 std::terminate_handler
-std::set_terminate(std::terminate_handler func) _NOEXCEPT
+std::set_terminate(std::terminate_handler func) throw()
 {
     return __sync_lock_test_and_set(&__terminate_handler, func);
 }
 
 std::terminate_handler
-std::get_terminate() _NOEXCEPT
+std::get_terminate() throw()
 {
     return __sync_fetch_and_add(&__terminate_handler, (std::terminate_handler)0);
 }
 
 void
-std::terminate() _NOEXCEPT
+std::terminate()
 {
 #ifndef _LIBCPP_NO_EXCEPTIONS
     try
@@ -76,7 +75,7 @@ std::terminate() _NOEXCEPT
 #endif  // _LIBCPP_NO_EXCEPTIONS
 }
 
-bool std::uncaught_exception() _NOEXCEPT
+bool std::uncaught_exception() throw()
 {
 #if __APPLE__
     // on Darwin, there is a helper function so __cxa_get_globals is private
@@ -93,25 +92,25 @@ bool std::uncaught_exception() _NOEXCEPT
 namespace std
 {
 
-exception::~exception() _NOEXCEPT
+exception::~exception() throw()
 {
 }
 
-bad_exception::~bad_exception() _NOEXCEPT
+bad_exception::~bad_exception() throw()
 {
 }
 
-const char* exception::what() const _NOEXCEPT
+const char* exception::what() const throw()
 {
   return "std::exception";
 }
 
-const char* bad_exception::what() const _NOEXCEPT
+const char* bad_exception::what() const throw()
 {
   return "std::bad_exception";
 }
 
-exception_ptr::~exception_ptr() _NOEXCEPT
+exception_ptr::~exception_ptr()
 {
 #if __APPLE__
     __cxxabiapple::__cxa_decrement_exception_refcount(__ptr_);
@@ -121,7 +120,7 @@ exception_ptr::~exception_ptr() _NOEXCEPT
 #endif  // __APPLE__
 }
 
-exception_ptr::exception_ptr(const exception_ptr& other) _NOEXCEPT
+exception_ptr::exception_ptr(const exception_ptr& other)
     : __ptr_(other.__ptr_)
 {
 #if __APPLE__
@@ -132,7 +131,7 @@ exception_ptr::exception_ptr(const exception_ptr& other) _NOEXCEPT
 #endif  // __APPLE__
 }
 
-exception_ptr& exception_ptr::operator=(const exception_ptr& other) _NOEXCEPT
+exception_ptr& exception_ptr::operator=(const exception_ptr& other)
 {
 #if __APPLE__
     if (__ptr_ != other.__ptr_)
@@ -148,18 +147,17 @@ exception_ptr& exception_ptr::operator=(const exception_ptr& other) _NOEXCEPT
 #endif  // __APPLE__
 }
 
-nested_exception::nested_exception() _NOEXCEPT
+nested_exception::nested_exception()
     : __ptr_(current_exception())
 {
 }
 
-nested_exception::~nested_exception() _NOEXCEPT
+nested_exception::~nested_exception()
 {
 }
 
-_ATTRIBUTE(noreturn)
 void
-nested_exception::rethrow_nested() const
+nested_exception::rethrow_nested /*[[noreturn]]*/ () const
 {
     if (__ptr_ == nullptr)
         terminate();
@@ -168,7 +166,7 @@ nested_exception::rethrow_nested() const
 
 } // std
 
-std::exception_ptr std::current_exception() _NOEXCEPT
+std::exception_ptr std::current_exception()
 {
 #if __APPLE__
     // be nicer if there was a constructor that took a ptr, then

src/future.cpp

@@ -16,12 +16,12 @@ class _LIBCPP_HIDDEN __future_error_category
     : public __do_message
 {
 public:
-    virtual const char* name() const _NOEXCEPT;
+    virtual const char* name() const;
     virtual string message(int ev) const;
 };
 
 const char*
-__future_error_category::name() const _NOEXCEPT
+__future_error_category::name() const
 {
     return "future";
 }
@@ -59,12 +59,8 @@ future_error::future_error(error_code __ec)
 {
 }
 
-future_error::~future_error() _NOEXCEPT
-{
-}
-
 void
-__assoc_sub_state::__on_zero_shared() _NOEXCEPT
+__assoc_sub_state::__on_zero_shared()
 {
     delete this;
 }
@@ -73,10 +69,8 @@ void
 __assoc_sub_state::set_value()
 {
     unique_lock<mutex> __lk(__mut_);
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__has_value())
         throw future_error(make_error_code(future_errc::promise_already_satisfied));
-#endif
     __state_ |= __constructed | ready;
     __lk.unlock();
     __cv_.notify_all();
@@ -86,10 +80,8 @@ void
 __assoc_sub_state::set_value_at_thread_exit()
 {
     unique_lock<mutex> __lk(__mut_);
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__has_value())
         throw future_error(make_error_code(future_errc::promise_already_satisfied));
-#endif
     __state_ |= __constructed;
     __thread_local_data()->__make_ready_at_thread_exit(this);
     __lk.unlock();
@@ -99,10 +91,8 @@ void
 __assoc_sub_state::set_exception(exception_ptr __p)
 {
     unique_lock<mutex> __lk(__mut_);
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__has_value())
         throw future_error(make_error_code(future_errc::promise_already_satisfied));
-#endif
     __exception_ = __p;
     __state_ |= ready;
     __lk.unlock();
@@ -113,10 +103,8 @@ void
 __assoc_sub_state::set_exception_at_thread_exit(exception_ptr __p)
 {
     unique_lock<mutex> __lk(__mut_);
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__has_value())
         throw future_error(make_error_code(future_errc::promise_already_satisfied));
-#endif
     __exception_ = __p;
     __thread_local_data()->__make_ready_at_thread_exit(this);
     __lk.unlock();
@@ -167,18 +155,14 @@ __assoc_sub_state::__sub_wait(unique_lock<mutex>& __lk)
 void
 __assoc_sub_state::__execute()
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     throw future_error(make_error_code(future_errc::no_state));
-#endif
 }
 
 future<void>::future(__assoc_sub_state* __state)
     : __state_(__state)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_->__has_future_attached())
         throw future_error(make_error_code(future_errc::future_already_retrieved));
-#endif
     __state_->__add_shared();
     __state_->__set_future_attached();
 }
@@ -218,50 +202,40 @@ promise<void>::~promise()
 future<void>
 promise<void>::get_future()
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     return future<void>(__state_);
 }
 
 void
 promise<void>::set_value()
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     __state_->set_value();
 }
 
 void
 promise<void>::set_exception(exception_ptr __p)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     __state_->set_exception(__p);
 }
 
 void
 promise<void>::set_value_at_thread_exit()
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     __state_->set_value_at_thread_exit();
 }
 
 void
 promise<void>::set_exception_at_thread_exit(exception_ptr __p)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__state_ == nullptr)
         throw future_error(make_error_code(future_errc::no_state));
-#endif
     __state_->set_exception_at_thread_exit(__p);
 }
 

src/ios.cpp

@@ -38,12 +38,12 @@ class _LIBCPP_HIDDEN __iostream_category
     : public __do_message
 {
 public:
-    virtual const char* name() const _NOEXCEPT;
+    virtual const char* name() const;
     virtual string message(int ev) const;
 };
 
 const char*
-__iostream_category::name() const _NOEXCEPT
+__iostream_category::name() const
 {
     return "iostream";
 }
@@ -165,7 +165,7 @@ ios_base::iword(int index)
         size_t newcap;
         const size_t mx = std::numeric_limits<size_t>::max();
         if (req_size < mx/2)
-            newcap = _VSTD::max(2 * __iarray_cap_, req_size);
+            newcap = _STD::max(2 * __iarray_cap_, req_size);
         else
             newcap = mx;
         long* iarray = (long*)realloc(__iarray_, newcap * sizeof(long));
@@ -193,7 +193,7 @@ ios_base::pword(int index)
         size_t newcap;
         const size_t mx = std::numeric_limits<size_t>::max();
         if (req_size < mx/2)
-            newcap = _VSTD::max(2 * __parray_cap_, req_size);
+            newcap = _STD::max(2 * __parray_cap_, req_size);
         else
             newcap = mx;
         void** parray = (void**)realloc(__parray_, newcap * sizeof(void*));
@@ -223,7 +223,7 @@ ios_base::register_callback(event_callback fn, int index)
         size_t newcap;
         const size_t mx = std::numeric_limits<size_t>::max();
         if (req_size < mx/2)
-            newcap = _VSTD::max(2 * __event_cap_, req_size);
+            newcap = _STD::max(2 * __event_cap_, req_size);
         else
             newcap = mx;
         event_callback* fns = (event_callback*)realloc(__fn_, newcap * sizeof(event_callback));
@@ -403,24 +403,24 @@ ios_base::move(ios_base& rhs)
 void
 ios_base::swap(ios_base& rhs)
 {
-    _VSTD::swap(__fmtflags_, rhs.__fmtflags_);
-    _VSTD::swap(__precision_, rhs.__precision_);
-    _VSTD::swap(__width_, rhs.__width_);
-    _VSTD::swap(__rdstate_, rhs.__rdstate_);
-    _VSTD::swap(__exceptions_, rhs.__exceptions_);
+    _STD::swap(__fmtflags_, rhs.__fmtflags_);
+    _STD::swap(__precision_, rhs.__precision_);
+    _STD::swap(__width_, rhs.__width_);
+    _STD::swap(__rdstate_, rhs.__rdstate_);
+    _STD::swap(__exceptions_, rhs.__exceptions_);
     locale& lhs_loc = *(locale*)&__loc_;
     locale& rhs_loc = *(locale*)&rhs.__loc_;
-    _VSTD::swap(lhs_loc, rhs_loc);
-    _VSTD::swap(__fn_, rhs.__fn_);
-    _VSTD::swap(__index_, rhs.__index_);
-    _VSTD::swap(__event_size_, rhs.__event_size_);
-    _VSTD::swap(__event_cap_, rhs.__event_cap_);
-    _VSTD::swap(__iarray_, rhs.__iarray_);
-    _VSTD::swap(__iarray_size_, rhs.__iarray_size_);
-    _VSTD::swap(__iarray_cap_, rhs.__iarray_cap_);
-    _VSTD::swap(__parray_, rhs.__parray_);
-    _VSTD::swap(__parray_size_, rhs.__parray_size_);
-    _VSTD::swap(__parray_cap_, rhs.__parray_cap_);
+    _STD::swap(lhs_loc, rhs_loc);
+    _STD::swap(__fn_, rhs.__fn_);
+    _STD::swap(__index_, rhs.__index_);
+    _STD::swap(__event_size_, rhs.__event_size_);
+    _STD::swap(__event_cap_, rhs.__event_cap_);
+    _STD::swap(__iarray_, rhs.__iarray_);
+    _STD::swap(__iarray_size_, rhs.__iarray_size_);
+    _STD::swap(__iarray_cap_, rhs.__iarray_cap_);
+    _STD::swap(__parray_, rhs.__parray_);
+    _STD::swap(__parray_size_, rhs.__parray_size_);
+    _STD::swap(__parray_cap_, rhs.__parray_cap_);
 }
 
 void

src/iostream.cpp

@@ -33,11 +33,11 @@ ios_base::Init __start_std_streams;
 ios_base::Init::Init()
 {
     cin.tie(&cout);
-    _VSTD::unitbuf(cerr);
+    _STD::unitbuf(cerr);
     cerr.tie(&cout);
 
     wcin.tie(&wcout);
-    _VSTD::unitbuf(wcerr);
+    _STD::unitbuf(wcerr);
     wcerr.tie(&wcout);
 }
 

src/memory.cpp

@@ -16,14 +16,14 @@ namespace
 
 template <class T>
 inline T
-increment(T& t) _NOEXCEPT
+increment(T& t)
 {
     return __sync_add_and_fetch(&t, 1);
 }
 
 template <class T>
 inline T
-decrement(T& t) _NOEXCEPT
+decrement(T& t)
 {
     return __sync_add_and_fetch(&t, -1);
 }
@@ -32,10 +32,10 @@ decrement(T& t) _NOEXCEPT
 
 const allocator_arg_t allocator_arg = allocator_arg_t();
 
-bad_weak_ptr::~bad_weak_ptr() _NOEXCEPT {}
+bad_weak_ptr::~bad_weak_ptr() throw() {}
 
 const char*
-bad_weak_ptr::what() const _NOEXCEPT
+bad_weak_ptr::what() const throw()
 {
     return "bad_weak_ptr";
 }
@@ -45,13 +45,13 @@ __shared_count::~__shared_count()
 }
 
 void
-__shared_count::__add_shared() _NOEXCEPT
+__shared_count::__add_shared()
 {
     increment(__shared_owners_);
 }
 
 bool
-__shared_count::__release_shared() _NOEXCEPT
+__shared_count::__release_shared()
 {
     if (decrement(__shared_owners_) == -1)
     {
@@ -66,33 +66,33 @@ __shared_weak_count::~__shared_weak_count()
 }
 
 void
-__shared_weak_count::__add_shared() _NOEXCEPT
+__shared_weak_count::__add_shared()
 {
     __shared_count::__add_shared();
 }
 
 void
-__shared_weak_count::__add_weak() _NOEXCEPT
+__shared_weak_count::__add_weak()
 {
     increment(__shared_weak_owners_);
 }
 
 void
-__shared_weak_count::__release_shared() _NOEXCEPT
+__shared_weak_count::__release_shared()
 {
     if (__shared_count::__release_shared())
         __release_weak();
 }
 
 void
-__shared_weak_count::__release_weak() _NOEXCEPT
+__shared_weak_count::__release_weak()
 {
     if (decrement(__shared_weak_owners_) == -1)
         __on_zero_shared_weak();
 }
 
 __shared_weak_count*
-__shared_weak_count::lock() _NOEXCEPT
+__shared_weak_count::lock()
 {
     long object_owners = __shared_owners_;
     while (object_owners != -1)
@@ -112,7 +112,7 @@ __shared_weak_count::lock() _NOEXCEPT
 #ifndef _LIBCPP_NO_RTTI
 
 const void*
-__shared_weak_count::__get_deleter(const type_info&) const _NOEXCEPT
+__shared_weak_count::__get_deleter(const type_info&) const
 {
     return 0;
 }
@@ -135,7 +135,7 @@ undeclare_no_pointers(char*, size_t)
 }
 
 pointer_safety
-get_pointer_safety() _NOEXCEPT
+get_pointer_safety()
 {
     return pointer_safety::relaxed;
 }

src/new.cpp

@@ -27,10 +27,7 @@
 
 __attribute__((__weak__, __visibility__("default")))
 void *
-operator new(std::size_t size)
-#if !__has_feature(cxx_noexcept)
-    throw(std::bad_alloc)
-#endif
+operator new(std::size_t size) throw (std::bad_alloc)
 {
     if (size == 0)
         size = 1;
@@ -54,7 +51,7 @@ operator new(std::size_t size)
 
 __attribute__((__weak__, __visibility__("default")))
 void*
-operator new(size_t size, const std::nothrow_t&) _NOEXCEPT
+operator new(size_t size, const std::nothrow_t&) throw()
 {
     void* p = 0;
 #ifndef _LIBCPP_NO_EXCEPTIONS
@@ -73,17 +70,14 @@ operator new(size_t size, const std::nothrow_t&) _NOEXCEPT
 
 __attribute__((__weak__, __visibility__("default")))
 void*
-operator new[](size_t size)
-#if !__has_feature(cxx_noexcept)
-    throw(std::bad_alloc)
-#endif
+operator new[](size_t size) throw (std::bad_alloc)
 {
     return ::operator new(size);
 }
 
 __attribute__((__weak__, __visibility__("default")))
 void*
-operator new[](size_t size, const std::nothrow_t& nothrow) _NOEXCEPT
+operator new[](size_t size, const std::nothrow_t& nothrow) throw()
 {
     void* p = 0;
 #ifndef _LIBCPP_NO_EXCEPTIONS
@@ -102,7 +96,7 @@ operator new[](size_t size, const std::nothrow_t& nothrow) _NOEXCEPT
 
 __attribute__((__weak__, __visibility__("default")))
 void
-operator delete(void* ptr) _NOEXCEPT
+operator delete(void* ptr) throw ()
 {
     if (ptr)
         ::free(ptr);
@@ -110,21 +104,21 @@ operator delete(void* ptr) _NOEXCEPT
 
 __attribute__((__weak__, __visibility__("default")))
 void
-operator delete(void* ptr, const std::nothrow_t&) _NOEXCEPT
+operator delete(void* ptr, const std::nothrow_t&) throw ()
 {
     ::operator delete(ptr);
 }
 
 __attribute__((__weak__, __visibility__("default")))
 void
-operator delete[] (void* ptr) _NOEXCEPT
+operator delete[] (void* ptr) throw ()
 {
     ::operator delete (ptr);
 }
 
 __attribute__((__weak__, __visibility__("default")))
 void
-operator delete[] (void* ptr, const std::nothrow_t&) _NOEXCEPT
+operator delete[] (void* ptr, const std::nothrow_t&) throw ()
 {
     ::operator delete[](ptr);
 }
@@ -135,41 +129,41 @@ namespace std
 const nothrow_t nothrow = {};
 
 new_handler
-set_new_handler(new_handler handler) _NOEXCEPT
+set_new_handler(new_handler handler) throw()
 {
     return __sync_lock_test_and_set(&__new_handler, handler);
 }
 
 new_handler
-get_new_handler() _NOEXCEPT
+get_new_handler() throw()
 {
     return __sync_fetch_and_add(&__new_handler, (new_handler)0);
 }
 
-bad_alloc::bad_alloc() _NOEXCEPT
+bad_alloc::bad_alloc() throw()
 {
 }
 
-bad_alloc::~bad_alloc() _NOEXCEPT
+bad_alloc::~bad_alloc() throw()
 {
 }
 
 const char*
-bad_alloc::what() const _NOEXCEPT
+bad_alloc::what() const throw()
 {
     return "std::bad_alloc";
 }
 
-bad_array_new_length::bad_array_new_length() _NOEXCEPT
+bad_array_new_length::bad_array_new_length() throw()
 {
 }
 
-bad_array_new_length::~bad_array_new_length() _NOEXCEPT
+bad_array_new_length::~bad_array_new_length() throw()
 {
 }
 
 const char*
-bad_array_new_length::what() const _NOEXCEPT
+bad_array_new_length::what() const throw()
 {
     return "bad_array_new_length";
 }

src/regex.cpp

@@ -229,7 +229,7 @@ string
 __get_collation_name(const char* s)
 {
     const collationnames* i =
-            _VSTD::lower_bound(begin(collatenames), end(collatenames), s, use_strcmp());
+            _STD::lower_bound(begin(collatenames), end(collatenames), s, use_strcmp());
     string r;
     if (i != end(collatenames) && strcmp(s, i->elem_) == 0)
         r = char(i->char_);
@@ -240,7 +240,7 @@ ctype_base::mask
 __get_classname(const char* s, bool __icase)
 {
     const classnames* i =
-            _VSTD::lower_bound(begin(ClassNames), end(ClassNames), s, use_strcmp());
+            _STD::lower_bound(begin(ClassNames), end(ClassNames), s, use_strcmp());
     ctype_base::mask r = 0;
     if (i != end(ClassNames) && strcmp(s, i->elem_) == 0)
     {

src/stdexcept.cpp

@@ -34,13 +34,13 @@ private:
     static const std::ptrdiff_t offset = static_cast<std::ptrdiff_t>(2*sizeof(unused_t) +
                                                                        sizeof(count_t));
 
-    count_t& count() const _NOEXCEPT {return (count_t&)(*(str_ - sizeof(count_t)));}
+    count_t& count() const throw() {return (count_t&)(*(str_ - sizeof(count_t)));}
 public:
     explicit __libcpp_nmstr(const char* msg);
     __libcpp_nmstr(const __libcpp_nmstr& s) _LIBCPP_CANTTHROW;
     __libcpp_nmstr& operator=(const __libcpp_nmstr& s) _LIBCPP_CANTTHROW;
     ~__libcpp_nmstr() _LIBCPP_CANTTHROW;
-    const char* c_str() const _NOEXCEPT {return str_;}
+    const char* c_str() const throw() {return str_;}
 };
 
 __libcpp_nmstr::__libcpp_nmstr(const char* msg)
@@ -98,14 +98,14 @@ logic_error::logic_error(const char* msg)
     ::new(&s) __libcpp_nmstr(msg);
 }
 
-logic_error::logic_error(const logic_error& le) _NOEXCEPT
+logic_error::logic_error(const logic_error& le) throw()
 {
     __libcpp_nmstr& s = (__libcpp_nmstr&)__imp_;
     ::new(&s) __libcpp_nmstr((const __libcpp_nmstr&)le.__imp_);
 }
 
 logic_error&
-logic_error::operator=(const logic_error& le) _NOEXCEPT
+logic_error::operator=(const logic_error& le) throw()
 {
     __libcpp_nmstr& s1 = (__libcpp_nmstr&)__imp_;
     const __libcpp_nmstr& s2 = (const __libcpp_nmstr&)le.__imp_;
@@ -113,14 +113,14 @@ logic_error::operator=(const logic_error& le) _NOEXCEPT
     return *this;
 }
 
-logic_error::~logic_error() _NOEXCEPT
+logic_error::~logic_error() throw()
 {
     __libcpp_nmstr& s = (__libcpp_nmstr&)__imp_;
     s.~__libcpp_nmstr();
 }
 
 const char*
-logic_error::what() const _NOEXCEPT
+logic_error::what() const throw()
 {
     __libcpp_nmstr& s = (__libcpp_nmstr&)__imp_;
     return s.c_str();
@@ -138,14 +138,14 @@ runtime_error::runtime_error(const char* msg)
     ::new(&s) __libcpp_nmstr(msg);
 }
 
-runtime_error::runtime_error(const runtime_error& le) _NOEXCEPT
+runtime_error::runtime_error(const runtime_error& le) throw()
 {
     __libcpp_nmstr& s = (__libcpp_nmstr&)__imp_;
     ::new(&s) __libcpp_nmstr((const __libcpp_nmstr&)le.__imp_);
 }
 
 runtime_error&
-runtime_error::operator=(const runtime_error& le) _NOEXCEPT
+runtime_error::operator=(const runtime_error& le) throw()
 {
     __libcpp_nmstr& s1 = (__libcpp_nmstr&)__imp_;
     const __libcpp_nmstr& s2 = (const __libcpp_nmstr&)le.__imp_;
@@ -153,26 +153,26 @@ runtime_error::operator=(const runtime_error& le) _NOEXCEPT
     return *this;
 }
 
-runtime_error::~runtime_error() _NOEXCEPT
+runtime_error::~runtime_error() throw()
 {
     __libcpp_nmstr& s = (__libcpp_nmstr&)__imp_;
     s.~__libcpp_nmstr();
 }
 
 const char*
-runtime_error::what() const _NOEXCEPT
+runtime_error::what() const throw()
 {
     __libcpp_nmstr& s = (__libcpp_nmstr&)__imp_;
     return s.c_str();
 }
 
-domain_error::~domain_error() _NOEXCEPT {}
-invalid_argument::~invalid_argument() _NOEXCEPT {}
-length_error::~length_error() _NOEXCEPT {}
-out_of_range::~out_of_range() _NOEXCEPT {}
+domain_error::~domain_error() throw() {}
+invalid_argument::~invalid_argument() throw() {}
+length_error::~length_error() throw() {}
+out_of_range::~out_of_range() throw() {}
 
-range_error::~range_error() _NOEXCEPT {}
-overflow_error::~overflow_error() _NOEXCEPT {}
-underflow_error::~underflow_error() _NOEXCEPT {}
+range_error::~range_error() throw() {}
+overflow_error::~overflow_error() throw() {}
+underflow_error::~underflow_error() throw() {}
 
 }  // std

src/string.cpp

@@ -19,6 +19,52 @@ template class __basic_string_common<true>;
 template class basic_string<char>;
 template class basic_string<wchar_t>;
 
+template enable_if<__is_forward_iterator<char const*>::value, void>::type
+    basic_string<char, char_traits<char>, allocator<char> >
+    ::__init<char const*>(char const*, char const*);
+
+template enable_if<__is_forward_iterator<wchar_t const*>::value, void>::type
+    basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >
+    ::__init<wchar_t const*>(wchar_t const*, wchar_t const*);
+
+template
+    enable_if<__is_forward_iterator<char*>::value,
+    basic_string<char, char_traits<char>, allocator<char> >&>::type
+    basic_string<char, char_traits<char>, allocator<char> >::
+    append<char*>(char*, char*);
+
+template
+    enable_if<__is_forward_iterator<wchar_t*>::value,
+    basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >&>::type
+    basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> >::
+    append<wchar_t*>(wchar_t*, wchar_t*);
+
+template
+    enable_if<__is_forward_iterator<char const*>::value,
+    string::iterator>::type
+    string::
+    insert<char const*>(string::const_iterator, char const*, char const*);
+
+template
+    enable_if<__is_forward_iterator<wchar_t const*>::value,
+    wstring::iterator>::type
+    wstring::
+    insert<wchar_t const*>(wstring::const_iterator, wchar_t const*, wchar_t const*);
+
+template
+    enable_if<__is_input_iterator<char const*>::value, string&>::type
+    string::
+    replace<char const*>(string::const_iterator, string::const_iterator, char const*, char const*);
+
+template
+    enable_if<__is_input_iterator<wchar_t const*>::value, wstring&>::type
+    wstring::
+    replace<wchar_t const*>(wstring::const_iterator, wstring::const_iterator, wchar_t const*, wchar_t const*);
+
+template
+    enable_if<__is_forward_iterator<wchar_t*>::value, wstring&>::type
+    wstring::assign<wchar_t*>(wchar_t*, wchar_t*);
+
 template
     string
     operator+<char, char_traits<char>, allocator<char> >(char const*, string const&);

src/strstream.cpp

@@ -100,6 +100,41 @@ strstreambuf::strstreambuf(const unsigned char* __gnext, streamsize __n)
     __init((char*)__gnext, __n, nullptr);
 }
 
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+strstreambuf::strstreambuf(strstreambuf&& __rhs)
+    : streambuf(__rhs),
+      __strmode_(__rhs.__strmode_),
+      __alsize_(__rhs.__alsize_),
+      __palloc_(__rhs.__palloc_),
+      __pfree_(__rhs.__pfree_)
+{
+    __rhs.setg(nullptr, nullptr, nullptr);
+    __rhs.setp(nullptr, nullptr);
+}
+
+strstreambuf&
+strstreambuf::operator=(strstreambuf&& __rhs)
+{
+    if (eback() && (__strmode_ & __allocated) != 0 && (__strmode_ & __frozen) == 0)
+    {
+        if (__pfree_)
+            __pfree_(eback());
+        else
+            delete [] eback();
+    }
+    streambuf::operator=(__rhs);
+    __strmode_ = __rhs.__strmode_;
+    __alsize_ = __rhs.__alsize_;
+    __palloc_ = __rhs.__palloc_;
+    __pfree_ = __rhs.__pfree_;
+    __rhs.setg(nullptr, nullptr, nullptr);
+    __rhs.setp(nullptr, nullptr);
+    return *this;
+}
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
 strstreambuf::~strstreambuf()
 {
     if (eback() && (__strmode_ & __allocated) != 0 && (__strmode_ & __frozen) == 0)
@@ -115,10 +150,10 @@ void
 strstreambuf::swap(strstreambuf& __rhs)
 {
     streambuf::swap(__rhs);
-    _VSTD::swap(__strmode_, __rhs.__strmode_);
-    _VSTD::swap(__alsize_, __rhs.__alsize_);
-    _VSTD::swap(__palloc_, __rhs.__palloc_);
-    _VSTD::swap(__pfree_, __rhs.__pfree_);
+    _STD::swap(__strmode_, __rhs.__strmode_);
+    _STD::swap(__alsize_, __rhs.__alsize_);
+    _STD::swap(__palloc_, __rhs.__palloc_);
+    _STD::swap(__pfree_, __rhs.__pfree_);
 }
 
 void
@@ -267,7 +302,7 @@ strstreambuf::seekoff(off_type __off, ios_base::seekdir __way, ios_base::openmod
         {
             char* newpos = eback() + newoff;
             if (pos_in)
-                setg(eback(), newpos, _VSTD::max(newpos, egptr()));
+                setg(eback(), newpos, _STD::max(newpos, egptr()));
             if (pos_out)
             {
                 // min(pbase, newpos), newpos, epptr()
@@ -297,7 +332,7 @@ strstreambuf::seekpos(pos_type __sp, ios_base::openmode __which)
             {
                 char* newpos = eback() + newoff;
                 if (pos_in)
-                    setg(eback(), newpos, _VSTD::max(newpos, egptr()));
+                    setg(eback(), newpos, _STD::max(newpos, egptr()));
                 if (pos_out)
                 {
                     // min(pbase, newpos), newpos, epptr()

src/system_error.cpp

@@ -15,28 +15,28 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 
 // class error_category
 
-error_category::error_category() _NOEXCEPT
+error_category::error_category()
 {
 }
 
-error_category::~error_category() _NOEXCEPT
+error_category::~error_category()
 {
 }
 
 error_condition
-error_category::default_error_condition(int ev) const _NOEXCEPT
+error_category::default_error_condition(int ev) const
 {
     return error_condition(ev, *this);
 }
 
 bool
-error_category::equivalent(int code, const error_condition& condition) const _NOEXCEPT
+error_category::equivalent(int code, const error_condition& condition) const
 {
     return default_error_condition(code) == condition;
 }
 
 bool
-error_category::equivalent(const error_code& code, int condition) const _NOEXCEPT
+error_category::equivalent(const error_code& code, int condition) const
 {
     return *this == code.category() && code.value() == condition;
 }
@@ -51,12 +51,12 @@ class _LIBCPP_HIDDEN __generic_error_category
     : public __do_message
 {
 public:
-    virtual const char* name() const _NOEXCEPT;
+    virtual const char* name() const;
     virtual string message(int ev) const;
 };
 
 const char*
-__generic_error_category::name() const _NOEXCEPT
+__generic_error_category::name() const
 {
     return "generic";
 }
@@ -72,7 +72,7 @@ __generic_error_category::message(int ev) const
 }
 
 const error_category&
-generic_category() _NOEXCEPT
+generic_category()
 {
     static __generic_error_category s;
     return s;
@@ -82,13 +82,13 @@ class _LIBCPP_HIDDEN __system_error_category
     : public __do_message
 {
 public:
-    virtual const char* name() const _NOEXCEPT;
+    virtual const char* name() const;
     virtual string message(int ev) const;
-    virtual error_condition default_error_condition(int ev) const _NOEXCEPT;
+    virtual error_condition default_error_condition(int ev) const;
 };
 
 const char*
-__system_error_category::name() const _NOEXCEPT
+__system_error_category::name() const
 {
     return "system";
 }
@@ -104,7 +104,7 @@ __system_error_category::message(int ev) const
 }
 
 error_condition
-__system_error_category::default_error_condition(int ev) const _NOEXCEPT
+__system_error_category::default_error_condition(int ev) const
 {
 #ifdef ELAST
     if (ev > ELAST)
@@ -114,7 +114,7 @@ __system_error_category::default_error_condition(int ev) const _NOEXCEPT
 }
 
 const error_category&
-system_category() _NOEXCEPT
+system_category()
 {
     static __system_error_category s;
     return s;
@@ -147,7 +147,7 @@ system_error::__init(const error_code& ec, string what_arg)
             what_arg += ": ";
         what_arg += ec.message();
     }
-    return _VSTD::move(what_arg);
+    return _STD::move(what_arg);
 }
 
 system_error::system_error(error_code ec, const string& what_arg)
@@ -186,7 +186,7 @@ system_error::system_error(int ev, const error_category& ecat)
 {
 }
 
-system_error::~system_error() _NOEXCEPT
+system_error::~system_error() throw()
 {
 }
 

src/typeinfo.cpp

@@ -13,30 +13,30 @@
 
 #include "typeinfo"
 
-std::bad_cast::bad_cast() _NOEXCEPT
+std::bad_cast::bad_cast() throw()
 {
 }
 
-std::bad_cast::~bad_cast() _NOEXCEPT
+std::bad_cast::~bad_cast() throw()
 {
 }
 
 const char*
-std::bad_cast::what() const _NOEXCEPT
+std::bad_cast::what() const throw()
 {
   return "std::bad_cast";
 }
 
-std::bad_typeid::bad_typeid() _NOEXCEPT
+std::bad_typeid::bad_typeid() throw()
 {
 }
 
-std::bad_typeid::~bad_typeid() _NOEXCEPT
+std::bad_typeid::~bad_typeid() throw()
 {
 }
 
 const char*
-std::bad_typeid::what() const _NOEXCEPT
+std::bad_typeid::what() const throw()
 {
   return "std::bad_typeid";
 }

test/containers/Emplaceable.h

@@ -24,7 +24,7 @@ public:
     bool operator==(const Emplaceable& x) const
         {return int_ == x.int_ && double_ == x.double_;}
     bool operator<(const Emplaceable& x) const
-        {return int_ < x.int_ || (int_ == x.int_ && double_ < x.double_);}
+        {return int_ < x.int_ || int_ == x.int_ && double_ < x.double_;}
 
     int get() const {return int_;}
 };

test/containers/associative/map/map.cons/default_noexcept.pass.cpp

@@ -1,53 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <map>
-
-// map()
-//    noexcept(
-//        is_nothrow_default_constructible<allocator_type>::value &&
-//        is_nothrow_default_constructible<key_compare>::value &&
-//        is_nothrow_copy_constructible<key_compare>::value);
-
-// This tests a conforming extension
-
-#include <map>
-#include <cassert>
-
-#include "../../../MoveOnly.h"
-#include "../../../test_allocator.h"
-
-template <class T>
-struct some_comp
-{
-    typedef T value_type;
-    some_comp();
-};
-
-int main()
-{
-#if __has_feature(cxx_noexcept)
-    {
-        typedef std::map<MoveOnly, MoveOnly> C;
-        static_assert(std::is_nothrow_default_constructible<C>::value, "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_default_constructible<C>::value, "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
-        static_assert(!std::is_nothrow_default_constructible<C>::value, "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
-        static_assert(!std::is_nothrow_default_constructible<C>::value, "");
-    }
-#endif
-}

test/containers/associative/map/map.cons/dtor_noexcept.pass.cpp

@@ -1,51 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <map>
-
-// ~map() // implied noexcept;
-
-#include <map>
-#include <cassert>
-
-#include "../../../MoveOnly.h"
-#include "../../../test_allocator.h"
-
-#if __has_feature(cxx_noexcept)
-
-template <class T>
-struct some_comp
-{
-    typedef T value_type;
-    ~some_comp() noexcept(false);
-};
-
-#endif
-
-int main()
-{
-#if __has_feature(cxx_noexcept)
-    {
-        typedef std::map<MoveOnly, MoveOnly> C;
-        static_assert(std::is_nothrow_destructible<C>::value, "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_destructible<C>::value, "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_destructible<C>::value, "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
-        static_assert(!std::is_nothrow_destructible<C>::value, "");
-    }
-#endif
-}

test/containers/associative/map/map.cons/move_assign_noexcept.pass.cpp

@@ -1,53 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <map>
-
-// map& operator=(map&& c)
-//     noexcept(
-//          allocator_type::propagate_on_container_move_assignment::value &&
-//          is_nothrow_move_assignable<allocator_type>::value &&
-//          is_nothrow_move_assignable<key_compare>::value);
-
-// This tests a conforming extension
-
-#include <map>
-#include <cassert>
-
-#include "../../../MoveOnly.h"
-#include "../../../test_allocator.h"
-
-template <class T>
-struct some_comp
-{
-    typedef T value_type;
-    some_comp& operator=(const some_comp&);
-};
-
-int main()
-{
-#if __has_feature(cxx_noexcept)
-    {
-        typedef std::map<MoveOnly, MoveOnly> C;
-        static_assert(std::is_nothrow_move_assignable<C>::value, "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
-        static_assert(!std::is_nothrow_move_assignable<C>::value, "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_move_assignable<C>::value, "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
-        static_assert(!std::is_nothrow_move_assignable<C>::value, "");
-    }
-#endif
-}

test/containers/associative/map/map.cons/move_noexcept.pass.cpp

@@ -1,51 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <map>
-
-// map(map&&)
-//        noexcept(is_nothrow_move_constructible<allocator_type>::value &&
-//                 is_nothrow_move_constructible<key_compare>::value);
-
-// This tests a conforming extension
-
-#include <map>
-#include <cassert>
-
-#include "../../../MoveOnly.h"
-#include "../../../test_allocator.h"
-
-template <class T>
-struct some_comp
-{
-    typedef T value_type;
-    some_comp(const some_comp&);
-};
-
-int main()
-{
-#if __has_feature(cxx_noexcept)
-    {
-        typedef std::map<MoveOnly, MoveOnly> C;
-        static_assert(std::is_nothrow_move_constructible<C>::value, "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_move_constructible<C>::value, "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_move_constructible<C>::value, "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
-        static_assert(!std::is_nothrow_move_constructible<C>::value, "");
-    }
-#endif
-}

test/containers/associative/map/map.special/swap_noexcept.pass.cpp

@@ -1,60 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <map>
-
-// void swap(map& c)
-//     noexcept(!allocator_type::propagate_on_container_swap::value ||
-//              __is_nothrow_swappable<allocator_type>::value);
-
-// This tests a conforming extension
-
-#include <map>
-#include <cassert>
-
-#include "../../../MoveOnly.h"
-#include "../../../test_allocator.h"
-
-template <class T>
-struct some_comp
-{
-    typedef T value_type;
-    
-    some_comp() {}
-    some_comp(const some_comp&) {}
-    void deallocate(void*, unsigned) {}
-
-    typedef std::true_type propagate_on_container_swap;
-};
-
-int main()
-{
-#if __has_feature(cxx_noexcept)
-    {
-        typedef std::map<MoveOnly, MoveOnly> C;
-        C c1, c2;
-        static_assert(noexcept(swap(c1, c2)), "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
-        C c1, c2;
-        static_assert(noexcept(swap(c1, c2)), "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
-        C c1, c2;
-        static_assert(noexcept(swap(c1, c2)), "");
-    }
-    {
-        typedef std::map<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
-        C c1, c2;
-        static_assert(!noexcept(swap(c1, c2)), "");
-    }
-#endif
-}

test/containers/associative/multimap/multimap.cons/default_noexcept.pass.cpp

@@ -1,53 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <map>
-
-// multimap()
-//    noexcept(
-//        is_nothrow_default_constructible<allocator_type>::value &&
-//        is_nothrow_default_constructible<key_compare>::value &&
-//        is_nothrow_copy_constructible<key_compare>::value);
-
-// This tests a conforming extension
-
-#include <map>
-#include <cassert>
-
-#include "../../../MoveOnly.h"
-#include "../../../test_allocator.h"
-
-template <class T>
-struct some_comp
-{
-    typedef T value_type;
-    some_comp();
-};
-
-int main()
-{
-#if __has_feature(cxx_noexcept)
-    {
-        typedef std::multimap<MoveOnly, MoveOnly> C;
-        static_assert(std::is_nothrow_default_constructible<C>::value, "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_default_constructible<C>::value, "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
-        static_assert(!std::is_nothrow_default_constructible<C>::value, "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
-        static_assert(!std::is_nothrow_default_constructible<C>::value, "");
-    }
-#endif
-}

test/containers/associative/multimap/multimap.cons/dtor_noexcept.pass.cpp

@@ -1,51 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <map>
-
-// ~multimap() // implied noexcept;
-
-#include <map>
-#include <cassert>
-
-#include "../../../MoveOnly.h"
-#include "../../../test_allocator.h"
-
-#if __has_feature(cxx_noexcept)
-
-template <class T>
-struct some_comp
-{
-    typedef T value_type;
-    ~some_comp() noexcept(false);
-};
-
-#endif
-
-int main()
-{
-#if __has_feature(cxx_noexcept)
-    {
-        typedef std::multimap<MoveOnly, MoveOnly> C;
-        static_assert(std::is_nothrow_destructible<C>::value, "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_destructible<C>::value, "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_destructible<C>::value, "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
-        static_assert(!std::is_nothrow_destructible<C>::value, "");
-    }
-#endif
-}

test/containers/associative/multimap/multimap.cons/move_assign_noexcept.pass.cpp

@@ -1,53 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <map>
-
-// multimap& operator=(multimap&& c)
-//     noexcept(
-//          allocator_type::propagate_on_container_move_assignment::value &&
-//          is_nothrow_move_assignable<allocator_type>::value &&
-//          is_nothrow_move_assignable<key_compare>::value);
-
-// This tests a conforming extension
-
-#include <map>
-#include <cassert>
-
-#include "../../../MoveOnly.h"
-#include "../../../test_allocator.h"
-
-template <class T>
-struct some_comp
-{
-    typedef T value_type;
-    some_comp& operator=(const some_comp&);
-};
-
-int main()
-{
-#if __has_feature(cxx_noexcept)
-    {
-        typedef std::multimap<MoveOnly, MoveOnly> C;
-        static_assert(std::is_nothrow_move_assignable<C>::value, "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
-        static_assert(!std::is_nothrow_move_assignable<C>::value, "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_move_assignable<C>::value, "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
-        static_assert(!std::is_nothrow_move_assignable<C>::value, "");
-    }
-#endif
-}

test/containers/associative/multimap/multimap.cons/move_noexcept.pass.cpp

@@ -1,51 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <map>
-
-// multimap(multimap&&)
-//        noexcept(is_nothrow_move_constructible<allocator_type>::value &&
-//                 is_nothrow_move_constructible<key_compare>::value);
-
-// This tests a conforming extension
-
-#include <map>
-#include <cassert>
-
-#include "../../../MoveOnly.h"
-#include "../../../test_allocator.h"
-
-template <class T>
-struct some_comp
-{
-    typedef T value_type;
-    some_comp(const some_comp&);
-};
-
-int main()
-{
-#if __has_feature(cxx_noexcept)
-    {
-        typedef std::multimap<MoveOnly, MoveOnly> C;
-        static_assert(std::is_nothrow_move_constructible<C>::value, "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_move_constructible<C>::value, "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_move_constructible<C>::value, "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
-        static_assert(!std::is_nothrow_move_constructible<C>::value, "");
-    }
-#endif
-}

test/containers/associative/multimap/multimap.special/swap_noexcept.pass.cpp

@@ -1,60 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <map>
-
-// void swap(multimap& c)
-//     noexcept(!allocator_type::propagate_on_container_swap::value ||
-//              __is_nothrow_swappable<allocator_type>::value);
-
-// This tests a conforming extension
-
-#include <map>
-#include <cassert>
-
-#include "../../../MoveOnly.h"
-#include "../../../test_allocator.h"
-
-template <class T>
-struct some_comp
-{
-    typedef T value_type;
-    
-    some_comp() {}
-    some_comp(const some_comp&) {}
-    void deallocate(void*, unsigned) {}
-
-    typedef std::true_type propagate_on_container_swap;
-};
-
-int main()
-{
-#if __has_feature(cxx_noexcept)
-    {
-        typedef std::multimap<MoveOnly, MoveOnly> C;
-        C c1, c2;
-        static_assert(noexcept(swap(c1, c2)), "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
-        C c1, c2;
-        static_assert(noexcept(swap(c1, c2)), "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
-        C c1, c2;
-        static_assert(noexcept(swap(c1, c2)), "");
-    }
-    {
-        typedef std::multimap<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
-        C c1, c2;
-        static_assert(!noexcept(swap(c1, c2)), "");
-    }
-#endif
-}

test/containers/associative/multiset/multiset.cons/default_noexcept.pass.cpp

@@ -1,53 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <set>
-
-// multiset()
-//    noexcept(
-//        is_nothrow_default_constructible<allocator_type>::value &&
-//        is_nothrow_default_constructible<key_compare>::value &&
-//        is_nothrow_copy_constructible<key_compare>::value);
-
-// This tests a conforming extension
-
-#include <set>
-#include <cassert>
-
-#include "../../../MoveOnly.h"
-#include "../../../test_allocator.h"
-
-template <class T>
-struct some_comp
-{
-    typedef T value_type;
-    some_comp();
-};
-
-int main()
-{
-#if __has_feature(cxx_noexcept)
-    {
-        typedef std::multiset<MoveOnly> C;
-        static_assert(std::is_nothrow_default_constructible<C>::value, "");
-    }
-    {
-        typedef std::multiset<MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_default_constructible<C>::value, "");
-    }
-    {
-        typedef std::multiset<MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
-        static_assert(!std::is_nothrow_default_constructible<C>::value, "");
-    }
-    {
-        typedef std::multiset<MoveOnly, some_comp<MoveOnly>> C;
-        static_assert(!std::is_nothrow_default_constructible<C>::value, "");
-    }
-#endif
-}

test/containers/associative/multiset/multiset.cons/dtor_noexcept.pass.cpp

@@ -1,51 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <set>
-
-// ~multiset() // implied noexcept;
-
-#include <set>
-#include <cassert>
-
-#include "../../../MoveOnly.h"
-#include "../../../test_allocator.h"
-
-#if __has_feature(cxx_noexcept)
-
-template <class T>
-struct some_comp
-{
-    typedef T value_type;
-    ~some_comp() noexcept(false);
-};
-
-#endif
-
-int main()
-{
-#if __has_feature(cxx_noexcept)
-    {
-        typedef std::multiset<MoveOnly> C;
-        static_assert(std::is_nothrow_destructible<C>::value, "");
-    }
-    {
-        typedef std::multiset<MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_destructible<C>::value, "");
-    }
-    {
-        typedef std::multiset<MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_destructible<C>::value, "");
-    }
-    {
-        typedef std::multiset<MoveOnly, some_comp<MoveOnly>> C;
-        static_assert(!std::is_nothrow_destructible<C>::value, "");
-    }
-#endif
-}

test/containers/associative/multiset/multiset.cons/move_assign_noexcept.pass.cpp

@@ -1,53 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <set>
-
-// multiset& operator=(multiset&& c)
-//     noexcept(
-//          allocator_type::propagate_on_container_move_assignment::value &&
-//          is_nothrow_move_assignable<allocator_type>::value &&
-//          is_nothrow_move_assignable<key_compare>::value);
-
-// This tests a conforming extension
-
-#include <set>
-#include <cassert>
-
-#include "../../../MoveOnly.h"
-#include "../../../test_allocator.h"
-
-template <class T>
-struct some_comp
-{
-    typedef T value_type;
-    some_comp& operator=(const some_comp&);
-};
-
-int main()
-{
-#if __has_feature(cxx_noexcept)
-    {
-        typedef std::multiset<MoveOnly> C;
-        static_assert(std::is_nothrow_move_assignable<C>::value, "");
-    }
-    {
-        typedef std::multiset<MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
-        static_assert(!std::is_nothrow_move_assignable<C>::value, "");
-    }
-    {
-        typedef std::multiset<MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_move_assignable<C>::value, "");
-    }
-    {
-        typedef std::multiset<MoveOnly, some_comp<MoveOnly>> C;
-        static_assert(!std::is_nothrow_move_assignable<C>::value, "");
-    }
-#endif
-}

test/containers/associative/multiset/multiset.cons/move_noexcept.pass.cpp

@@ -1,51 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is dual licensed under the MIT and the University of Illinois Open
-// Source Licenses. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-// <set>
-
-// multiset(multiset&&)
-//        noexcept(is_nothrow_move_constructible<allocator_type>::value &&
-//                 is_nothrow_move_constructible<key_compare>::value);
-
-// This tests a conforming extension
-
-#include <set>
-#include <cassert>
-
-#include "../../../MoveOnly.h"
-#include "../../../test_allocator.h"
-
-template <class T>
-struct some_comp
-{
-    typedef T value_type;
-    some_comp(const some_comp&);
-};
-
-int main()
-{
-#if __has_feature(cxx_noexcept)
-    {
-        typedef std::multiset<MoveOnly> C;
-        static_assert(std::is_nothrow_move_constructible<C>::value, "");
-    }
-    {
-        typedef std::multiset<MoveOnly, std::less<MoveOnly>, test_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_move_constructible<C>::value, "");
-    }
-    {
-        typedef std::multiset<MoveOnly, std::less<MoveOnly>, other_allocator<MoveOnly>> C;
-        static_assert(std::is_nothrow_move_constructible<C>::value, "");
-    }
-    {
-        typedef std::multiset<MoveOnly, some_comp<MoveOnly>> C;
-        static_assert(!std::is_nothrow_move_constructible<C>::value, "");
-    }
-#endif
-}