made better error message for <atomic>

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/tags/libcpp-16@128699 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

@@ -9,12 +9,6 @@ OBJROOT=.
 SYMROOT=.
 export TRIPLE=-apple-
 
-ifeq (,$(RC_INDIGO))
-	INSTALL_PREFIX=""
-else
-	INSTALL_PREFIX="$(SDKROOT)"
-endif
-
 installsrc:: $(SRCROOT)
 
 	ditto $(SRCDIRS)/include $(SRCROOT)/include
@@ -26,19 +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

@@ -38,13 +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_;
@@ -54,22 +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) {}
+    __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;
@@ -79,7 +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;
@@ -89,7 +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;
@@ -113,18 +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);
 };
@@ -1063,14 +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++()
     {
@@ -1170,8 +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))
@@ -171,20 +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
@@ -192,9 +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
@@ -206,12 +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
@@ -231,6 +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
 

include/__functional_base

@@ -281,55 +281,161 @@ 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((_STD::forward<_A0>(__a0).*__f)(_STD::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 (_STD::forward<_A0>(__a0).*__f)(_STD::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(((*_STD::forward<_A0>(__a0)).*__f)(_STD::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 ((*_STD::forward<_A0>(__a0)).*__f)(_STD::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(_STD::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 _STD::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((*_STD::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 (*_STD::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(_STD::forward<_F>(__f)(_STD::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 _STD::forward<_F>(__f)(_STD::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>
@@ -350,19 +456,19 @@ 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(), _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/__hash_table

@@ -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>
@@ -80,7 +80,7 @@ public:
 #endif
                                                          pointer;
 
-    _LIBCPP_INLINE_VISIBILITY __hash_iterator() _NOEXCEPT {}
+    _LIBCPP_INLINE_VISIBILITY __hash_iterator() {}
 
     _LIBCPP_INLINE_VISIBILITY
         reference operator*() const {return __node_->__value_;}
@@ -111,7 +111,7 @@ public:
 
 private:
     _LIBCPP_INLINE_VISIBILITY
-    __hash_iterator(__node_pointer __node) _NOEXCEPT
+    __hash_iterator(__node_pointer __node)
         : __node_(__node)
         {}
 
@@ -154,9 +154,9 @@ 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_)
         {}
 
@@ -189,7 +189,7 @@ public:
 
 private:
     _LIBCPP_INLINE_VISIBILITY
-    __hash_const_iterator(__node_pointer __node) _NOEXCEPT
+    __hash_const_iterator(__node_pointer __node)
         : __node_(__node)
         {}
 
@@ -224,7 +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_;}
@@ -258,7 +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)
@@ -308,9 +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_)
@@ -348,7 +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)
@@ -374,19 +374,16 @@ 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_(_STD::move(__x.__data_))
     {
         __x.size() = 0;
@@ -394,18 +391,14 @@ public:
 
 #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());
     }
@@ -431,13 +424,13 @@ 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_, _STD::addressof(__p->__value_));
@@ -502,32 +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;
@@ -535,13 +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);
@@ -549,25 +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);
@@ -575,7 +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());
@@ -612,21 +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
@@ -647,7 +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;
@@ -668,25 +633,18 @@ 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
+    _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)
@@ -720,40 +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() =
                 _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,
@@ -766,7 +709,6 @@ private:
     static
     void
     __swap_alloc(_A& __x, _A& __y, true_type)
-        _NOEXCEPT_(__is_nothrow_swappable<_A>::value)
     {
         using _STD::swap;
         swap(__x, __y);
@@ -776,20 +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)
 {
@@ -853,11 +790,6 @@ __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_(_STD::move(__u.__bucket_list_)),
       __p1_(_STD::move(__u.__p1_)),
       __p2_(_STD::move(__u.__p2_)),
@@ -938,7 +870,6 @@ __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)
@@ -952,7 +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)
@@ -969,10 +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());
@@ -1045,11 +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>());
@@ -1129,7 +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_);
 }
@@ -1137,7 +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);
 }
@@ -1145,7 +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_);
 }
@@ -1153,14 +1075,14 @@ __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)
     {
@@ -1723,7 +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_);
@@ -1854,13 +1776,6 @@ __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();
@@ -1899,16 +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
@@ -146,7 +146,7 @@ locale::combine(const locale& __other) const
 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);
 }
@@ -451,7 +451,7 @@ public:
     _LIBCPP_ALWAYS_INLINE
     bool is(mask __m, char_type __c) const
     {
-        return isascii(__c) ? (__tab_ ? __tab_[__c] & __m : isctype(__c, __m)) : false;
+        return isascii(__c) ? __tab_[__c] & __m : false;
     }
 
     _LIBCPP_ALWAYS_INLINE
@@ -535,8 +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;
+    _LIBCPP_ALWAYS_INLINE const mask* table() const throw() {return __tab_;}
+    static const mask* classic_table() throw();
 
 protected:
     ~ctype();
@@ -755,13 +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();
     }
@@ -773,7 +773,7 @@ public:
     }
 
     _LIBCPP_ALWAYS_INLINE
-    int max_length() const  _NOEXCEPT
+    int max_length() const throw()
     {
         return do_max_length();
     }
@@ -795,10 +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>
@@ -840,13 +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();
     }
@@ -858,7 +858,7 @@ public:
     }
 
     _LIBCPP_ALWAYS_INLINE
-    int max_length() const  _NOEXCEPT
+    int max_length() const throw()
     {
         return do_max_length();
     }
@@ -878,10 +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>
@@ -924,13 +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();
     }
@@ -942,7 +942,7 @@ public:
     }
 
     _LIBCPP_ALWAYS_INLINE
-    int max_length() const  _NOEXCEPT
+    int max_length() const throw()
     {
         return do_max_length();
     }
@@ -964,10 +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>
@@ -1010,13 +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();
     }
@@ -1028,7 +1028,7 @@ public:
     }
 
     _LIBCPP_ALWAYS_INLINE
-    int max_length() const  _NOEXCEPT
+    int max_length() const throw()
     {
         return do_max_length();
     }
@@ -1050,10 +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/__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() = _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 _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)
         {}
 };
 
@@ -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)
 {
 }
@@ -355,7 +340,6 @@ __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_(_STD::move(__c.__first_)),
       __begin_(_STD::move(__c.__begin_)),
       __end_(_STD::move(__c.__end_)),
@@ -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();
@@ -418,8 +399,6 @@ __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)
 {
     _STD::swap(__first_, __x.__first_);
     _STD::swap(__begin_, __x.__begin_);
@@ -446,7 +425,7 @@ __split_buffer<_Tp, _Allocator>::reserve(size_type __n)
 
 template <class _Tp, class _Allocator>
 void
-__split_buffer<_Tp, _Allocator>::shrink_to_fit() _NOEXCEPT
+__split_buffer<_Tp, _Allocator>::shrink_to_fit()
 {
     if (capacity() > size())
     {
@@ -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

@@ -288,12 +288,12 @@ __stdoutbuf<_CharT>::sync()
         __r = __cv_->unshift(__st_, __extbuf,
                                     __extbuf + sizeof(__extbuf),
                                     __extbe);
-        if (__r == codecvt_base::error)
-            return -1;
         size_t __nmemb = static_cast<size_t>(__extbe - __extbuf);
         if (fwrite(__extbuf, 1, __nmemb, __file_) != __nmemb)
             return -1;
     } while (__r == codecvt_base::partial);
+    if (__r == codecvt_base::error)
+        return -1;
     if (fflush(__file_))
         return -1;
     return 0;

include/__tree

@@ -55,7 +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_;
 }
@@ -121,7 +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_;
@@ -133,7 +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_;
@@ -144,7 +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_);
@@ -157,7 +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_);
@@ -170,7 +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)
     {
@@ -194,7 +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_;
@@ -214,7 +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_;
@@ -239,7 +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_)
@@ -309,7 +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).
@@ -514,13 +514,13 @@ 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_, _STD::addressof(__p->__value_));
@@ -541,7 +541,7 @@ public:
     pointer __left_;
 
     _LIBCPP_INLINE_VISIBILITY
-    __tree_end_node() _NOEXCEPT : __left_() {}
+    __tree_end_node() : __left_() {}
 };
 
 template <class _VoidPtr>
@@ -580,8 +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>
@@ -633,7 +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_;}
@@ -663,7 +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;
@@ -717,8 +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_;}
@@ -748,8 +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;
@@ -772,7 +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>
@@ -783,10 +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>
@@ -808,7 +804,7 @@ private:
 
 public:
     _LIBCPP_INLINE_VISIBILITY
-    __node_pointer __end_node() _NOEXCEPT
+    __node_pointer __end_node()
     {
         return static_cast<__node_pointer>
                (
@@ -816,7 +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>
                (
@@ -824,45 +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);
@@ -872,40 +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
@@ -1016,21 +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)
@@ -1040,7 +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)
@@ -1054,42 +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() = _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 _STD::swap;
             swap(__x, __y);
         }
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__node_allocator& __x, __node_allocator& __y, false_type)
-        _NOEXCEPT
         {}
 
     __node_pointer __detach();
@@ -1098,9 +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();
@@ -1275,9 +1239,6 @@ __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_(_STD::move(__t.__begin_node_)),
       __pair1_(_STD::move(__t.__pair1_)),
       __pair3_(_STD::move(__t.__pair3_))
@@ -1322,8 +1283,6 @@ __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_;
@@ -1390,11 +1349,6 @@ __tree<_Tp, _Compare, _Allocator>::__move_assign(__tree& __t, false_type)
 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>());
@@ -1411,7 +1365,7 @@ __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)
     {
@@ -1426,10 +1380,6 @@ __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 _STD::swap;
     swap(__begin_node_, __t.__begin_node_);
@@ -1448,7 +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;
@@ -1460,8 +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();
@@ -1499,8 +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();
@@ -1541,9 +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
@@ -1577,8 +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();
@@ -1626,9 +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
@@ -1658,7 +1608,7 @@ __tree<_Tp, _Compare, _Allocator>::__find_equal(const_iterator __hint,
         const_iterator __next = _STD::next(__hint);
         if (__next == end() || value_comp()(__v, *__next))
         {
-            // *__hint < __v < *_STD::next(__hint)
+            // *__hint < __v < *next(__hint)
             if (__hint.__ptr_->__right_ == nullptr)
             {
                 __parent = const_cast<__node_pointer&>(__hint.__ptr_);
@@ -2254,7 +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)
@@ -2270,16 +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
 

include/algorithm

@@ -1659,7 +1659,13 @@ move_backward(_BidirectionalIterator1 __first, _BidirectionalIterator1 __last,
 
 // iter_swap
 
-// moved to <type_traits> for better swap / noexcept support
+template <class _ForwardIterator1, class _ForwardIterator2>
+inline _LIBCPP_INLINE_VISIBILITY
+void
+iter_swap(_ForwardIterator1 __a, _ForwardIterator2 __b)
+{
+    swap(*__a, *__b);
+}
 
 // transform
 

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
 
@@ -137,45 +137,29 @@ struct _LIBCPP_VISIBLE array
     // No explicit construct/copy/destroy for aggregate type
     _LIBCPP_INLINE_VISIBILITY void fill(const value_type& __u)
         {_STD::fill_n(__elems_, _Size, __u);}
-    _LIBCPP_INLINE_VISIBILITY
-    void swap(array& __a) _NOEXCEPT_(__is_nothrow_swappable<_Tp>::value)
+    _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>
@@ -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];
 }
@@ -324,7 +301,7 @@ 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 _STD::move(__a[_Ip]);
 }

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>&
@@ -155,34 +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;
@@ -193,7 +193,7 @@ private:
 
 template <size_t _N_words, size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
-__bitset<_N_words, _Size>::__bitset() _NOEXCEPT
+__bitset<_N_words, _Size>::__bitset()
 {
     _STD::fill_n(__first_, _N_words, __storage_type(0));
 }
@@ -221,7 +221,7 @@ __bitset<_N_words, _Size>::__init(unsigned long long __v, true_type)
 
 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)>());
 }
@@ -229,7 +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];
@@ -238,7 +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];
@@ -247,7 +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];
@@ -255,7 +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;
@@ -338,7 +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;
@@ -358,7 +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;
@@ -379,7 +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)
@@ -413,43 +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))
 {
 }
@@ -457,7 +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_;
 }
@@ -465,7 +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_;
 }
@@ -473,7 +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_;
 }
@@ -481,7 +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_;
@@ -507,7 +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);
@@ -516,7 +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;
@@ -525,7 +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_;
 }
@@ -554,40 +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)
 {
 }
 
@@ -606,8 +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,
@@ -620,17 +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:
@@ -649,21 +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>;
 };
@@ -732,7 +732,7 @@ bitset<_Size>::bitset(const basic_string<_CharT,_Traits,_Allocator>& __str,
 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;
@@ -741,7 +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;
@@ -750,7 +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;
@@ -758,7 +758,7 @@ 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 = _STD::min(__pos, _Size);
     _STD::copy_backward(base::__make_iter(0), base::__make_iter(_Size - __pos), base::__make_iter(_Size));
@@ -768,7 +768,7 @@ bitset<_Size>::operator<<=(size_t __pos) _NOEXCEPT
 
 template <size_t _Size>
 bitset<_Size>&
-bitset<_Size>::operator>>=(size_t __pos) _NOEXCEPT
+bitset<_Size>::operator>>=(size_t __pos)
 {
     __pos = _STD::min(__pos, _Size);
     _STD::copy(base::__make_iter(__pos), base::__make_iter(_Size), base::__make_iter(0));
@@ -779,7 +779,7 @@ bitset<_Size>::operator>>=(size_t __pos) _NOEXCEPT
 template <size_t _Size>
 inline _LIBCPP_INLINE_VISIBILITY
 bitset<_Size>&
-bitset<_Size>::set() _NOEXCEPT
+bitset<_Size>::set()
 {
     _STD::fill_n(base::__make_iter(0), _Size, true);
     return *this;
@@ -802,7 +802,7 @@ 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()
 {
     _STD::fill_n(base::__make_iter(0), _Size, false);
     return *this;
@@ -825,7 +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();
@@ -835,7 +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;
@@ -915,7 +915,7 @@ 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>(_STD::count(base::__make_iter(0), base::__make_iter(_Size), true));
 }
@@ -923,7 +923,7 @@ bitset<_Size>::count() const _NOEXCEPT
 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 _STD::equal(base::__make_iter(0), base::__make_iter(_Size), __rhs.__make_iter(0));
 }
@@ -931,7 +931,7 @@ bitset<_Size>::operator==(const bitset& __rhs) const _NOEXCEPT
 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);
 }
@@ -952,7 +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();
 }
@@ -960,7 +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();
 }
@@ -968,7 +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;
@@ -978,7 +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;
@@ -988,7 +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;
@@ -998,7 +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;
@@ -1008,7 +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;
@@ -1020,7 +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;
@@ -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/cstddef

@@ -84,17 +84,12 @@ inline _LIBCPP_ALWAYS_INLINE nullptr_t __get_nullptr_t() {return nullptr_t(0);}
 
 #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/deque

@@ -38,7 +38,7 @@ public:
     typedef std::reverse_iterator<const_iterator>    const_reverse_iterator;
 
     // construct/copy/destroy:
-    deque() noexcept(is_nothrow_default_constructible<allocator_type>::value);
+    deque();
     explicit deque(const allocator_type& a);
     explicit deque(size_type n);
     deque(size_type n, const value_type& v);
@@ -48,18 +48,14 @@ public:
     template <class InputIterator>
         deque(InputIterator f, InputIterator l, const allocator_type& a);
     deque(const deque& c);
-    deque(deque&& c)
-        noexcept(is_nothrow_move_constructible<allocator_type>::value);
+    deque(deque&& c);
     deque(initializer_list<value_type> il, const Allocator& a = allocator_type());
     deque(const deque& c, const allocator_type& a);
     deque(deque&& c, const allocator_type& a);
     ~deque();
 
     deque& operator=(const deque& c);
-    deque& operator=(deque&& c)
-        noexcept(
-             allocator_type::propagate_on_container_move_assignment::value &&
-             is_nothrow_move_assignable<allocator_type>::value);
+    deque& operator=(deque&& c);
     deque& operator=(initializer_list<value_type> il);
 
     template <class InputIterator>
@@ -67,32 +63,32 @@ 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;
 
     // 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:
-    size_type size() const noexcept;
-    size_type max_size() const noexcept;
+    size_type size() const;
+    size_type max_size() const;
     void resize(size_type n);
     void resize(size_type n, const value_type& v);
     void shrink_to_fit();
-    bool empty() const noexcept;
+    bool empty() const;
 
     // element access:
     reference operator[](size_type i);
@@ -122,10 +118,8 @@ public:
     void pop_back();
     iterator erase(const_iterator p);
     iterator erase(const_iterator f, const_iterator l);
-    void swap(deque& c)
-        noexcept(!allocator_type::propagate_on_container_swap::value ||
-                 __is_nothrow_swappable<allocator_type>::value);
-    void clear() noexcept;
+    void swap(deque& c);
+    void clear();
 };
 
 template <class T, class Allocator>
@@ -143,8 +137,7 @@ template <class T, class Allocator>
 
 // specialized algorithms:
 template <class T, class Allocator>
-    void swap(deque<T,Allocator>& x, deque<T,Allocator>& y)
-         noexcept(noexcept(x.swap(y)));
+    void swap(deque<T,Allocator>& x, deque<T,Allocator>& y);
 
 }  // std
 
@@ -274,12 +267,12 @@ public:
     typedef random_access_iterator_tag  iterator_category;
     typedef _Reference                  reference;
 
-    _LIBCPP_INLINE_VISIBILITY __deque_iterator() _NOEXCEPT {}
+    _LIBCPP_INLINE_VISIBILITY __deque_iterator() {}
 
     template <class _P, class _R, class _MP>
     _LIBCPP_INLINE_VISIBILITY
     __deque_iterator(const __deque_iterator<value_type, _P, _R, _MP, difference_type, __block_size>& __it,
-                typename enable_if<is_convertible<_P, pointer>::value>::type* = 0) _NOEXCEPT
+                typename enable_if<is_convertible<_P, pointer>::value>::type* = 0)
         : __m_iter_(__it.__m_iter_), __ptr_(__it.__ptr_) {}
 
     _LIBCPP_INLINE_VISIBILITY reference operator*() const {return *__ptr_;}
@@ -402,7 +395,7 @@ public:
         {return !(__x < __y);}
 
 private:
-    _LIBCPP_INLINE_VISIBILITY __deque_iterator(__map_iterator __m, pointer __p) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY __deque_iterator(__map_iterator __m, pointer __p)
         : __m_iter_(__m), __ptr_(__p) {}
 
     template <class _Tp, class _A> friend class __deque_base;
@@ -923,43 +916,33 @@ protected:
     size_type __start_;
     __compressed_pair<size_type, allocator_type> __size_;
 
-    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;
 
     _LIBCPP_INLINE_VISIBILITY size_type&            size()          {return __size_.first();}
-    _LIBCPP_INLINE_VISIBILITY
-    const size_type& size() const _NOEXCEPT {return __size_.first();}
+    _LIBCPP_INLINE_VISIBILITY const size_type&      size() const    {return __size_.first();}
     _LIBCPP_INLINE_VISIBILITY allocator_type&       __alloc()       {return __size_.second();}
-    _LIBCPP_INLINE_VISIBILITY
-    const allocator_type& __alloc() const _NOEXCEPT {return __size_.second();}
+    _LIBCPP_INLINE_VISIBILITY const allocator_type& __alloc() const {return __size_.second();}
 
-    __deque_base()
-        _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value);
+    __deque_base();
     explicit __deque_base(const allocator_type& __a);
-public:
     ~__deque_base();
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
-    __deque_base(__deque_base&& __c)
-        _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value);
+    __deque_base(__deque_base&& __c);
     __deque_base(__deque_base&& __c, const allocator_type& __a);
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    void swap(__deque_base& __c)
-        _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<allocator_type>::value);
-protected:
-    void clear() _NOEXCEPT;
+    void swap(__deque_base& __c);
+    void clear();
 
     bool __invariants() const;
 
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign(__deque_base& __c)
-        _NOEXCEPT_(__alloc_traits::propagate_on_container_move_assignment::value &&
-                   is_nothrow_move_assignable<allocator_type>::value)
     {
         __map_ = _STD::move(__c.__map_);
         __start_ = __c.__start_;
@@ -970,33 +953,27 @@ protected:
 
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(__deque_base& __c)
-        _NOEXCEPT_(!__alloc_traits::propagate_on_container_move_assignment::value ||
-                   is_nothrow_move_assignable<allocator_type>::value)
         {__move_assign_alloc(__c, integral_constant<bool,
                       __alloc_traits::propagate_on_container_move_assignment::value>());}
 
 private:
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(const __deque_base& __c, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value)
         {
             __alloc() = _STD::move(__c.__alloc());
         }
 
     _LIBCPP_INLINE_VISIBILITY
-    void __move_assign_alloc(const __deque_base& __c, false_type) _NOEXCEPT
+    void __move_assign_alloc(const __deque_base& __c, false_type)
         {}
 
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(allocator_type& __x, allocator_type& __y)
-        _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<allocator_type>::value)
         {__swap_alloc(__x, __y, integral_constant<bool,
                       __alloc_traits::propagate_on_container_swap::value>());}
 
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(allocator_type& __x, allocator_type& __y, true_type)
-        _NOEXCEPT_(__is_nothrow_swappable<allocator_type>::value)
         {
             using _STD::swap;
             swap(__x, __y);
@@ -1004,7 +981,6 @@ private:
 
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(allocator_type& __x, allocator_type& __y, false_type)
-        _NOEXCEPT
         {}
 };
 
@@ -1039,7 +1015,7 @@ __deque_base<_Tp, _Allocator>::__invariants() const
 
 template <class _Tp, class _Allocator>
 typename __deque_base<_Tp, _Allocator>::iterator
-__deque_base<_Tp, _Allocator>::begin() _NOEXCEPT
+__deque_base<_Tp, _Allocator>::begin()
 {
     __map_pointer __mp = __map_.begin() + __start_ / __block_size;
     return iterator(__mp, __map_.empty() ? 0 : *__mp + __start_ % __block_size);
@@ -1047,7 +1023,7 @@ __deque_base<_Tp, _Allocator>::begin() _NOEXCEPT
 
 template <class _Tp, class _Allocator>
 typename __deque_base<_Tp, _Allocator>::const_iterator
-__deque_base<_Tp, _Allocator>::begin() const _NOEXCEPT
+__deque_base<_Tp, _Allocator>::begin() const
 {
     __map_const_pointer __mp = __map_.begin() + __start_ / __block_size;
     return const_iterator(__mp, __map_.empty() ? 0 : *__mp + __start_ % __block_size);
@@ -1055,7 +1031,7 @@ __deque_base<_Tp, _Allocator>::begin() const _NOEXCEPT
 
 template <class _Tp, class _Allocator>
 typename __deque_base<_Tp, _Allocator>::iterator
-__deque_base<_Tp, _Allocator>::end() _NOEXCEPT
+__deque_base<_Tp, _Allocator>::end()
 {
     size_type __p = size() + __start_;
     __map_pointer __mp = __map_.begin() + __p / __block_size;
@@ -1064,7 +1040,7 @@ __deque_base<_Tp, _Allocator>::end() _NOEXCEPT
 
 template <class _Tp, class _Allocator>
 typename __deque_base<_Tp, _Allocator>::const_iterator
-__deque_base<_Tp, _Allocator>::end() const _NOEXCEPT
+__deque_base<_Tp, _Allocator>::end() const
 {
     size_type __p = size() + __start_;
     __map_const_pointer __mp = __map_.begin() + __p / __block_size;
@@ -1074,7 +1050,6 @@ __deque_base<_Tp, _Allocator>::end() const _NOEXCEPT
 template <class _Tp, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 __deque_base<_Tp, _Allocator>::__deque_base()
-    _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value)
     : __start_(0), __size_(0) {}
 
 template <class _Tp, class _Allocator>
@@ -1096,7 +1071,6 @@ __deque_base<_Tp, _Allocator>::~__deque_base()
 
 template <class _Tp, class _Allocator>
 __deque_base<_Tp, _Allocator>::__deque_base(__deque_base&& __c)
-    _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value)
     : __map_(_STD::move(__c.__map_)),
       __start_(_STD::move(__c.__start_)),
       __size_(_STD::move(__c.__size_))
@@ -1129,8 +1103,6 @@ __deque_base<_Tp, _Allocator>::__deque_base(__deque_base&& __c, const allocator_
 template <class _Tp, class _Allocator>
 void
 __deque_base<_Tp, _Allocator>::swap(__deque_base& __c)
-        _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value||
-                   __is_nothrow_swappable<allocator_type>::value)
 {
     __map_.swap(__c.__map_);
     _STD::swap(__start_, __c.__start_);
@@ -1140,7 +1112,7 @@ __deque_base<_Tp, _Allocator>::swap(__deque_base& __c)
 
 template <class _Tp, class _Allocator>
 void
-__deque_base<_Tp, _Allocator>::clear() _NOEXCEPT
+__deque_base<_Tp, _Allocator>::clear()
 {
     allocator_type& __a = __alloc();
     for (iterator __i = begin(), __e = end(); __i != __e; ++__i)
@@ -1188,10 +1160,7 @@ public:
     typedef _STD::reverse_iterator<const_iterator> const_reverse_iterator;
 
     // construct/copy/destroy:
-    _LIBCPP_INLINE_VISIBILITY
-    deque()
-        _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value)
-        {}
+    _LIBCPP_INLINE_VISIBILITY deque() {}
     _LIBCPP_INLINE_VISIBILITY deque(const allocator_type& __a) : __base(__a) {}
     explicit deque(size_type __n);
     deque(size_type __n, const value_type& __v);
@@ -1212,11 +1181,9 @@ public:
     deque& operator=(initializer_list<value_type> __il) {assign(__il); return *this;}
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    deque(deque&& __c) _NOEXCEPT_(is_nothrow_move_constructible<__base>::value);
+    deque(deque&& __c);
     deque(deque&& __c, const allocator_type& __a);
-    deque& operator=(deque&& __c)
-        _NOEXCEPT_(__alloc_traits::propagate_on_container_move_assignment::value &&
-                   is_nothrow_move_assignable<allocator_type>::value);
+    deque& operator=(deque&& __c);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     template <class _InputIter>
@@ -1230,56 +1197,45 @@ public:
     _LIBCPP_INLINE_VISIBILITY
     void assign(initializer_list<value_type> __il) {assign(__il.begin(), __il.end());}
 
-    allocator_type get_allocator() const _NOEXCEPT;
+    allocator_type get_allocator() const;
 
     // iterators:
 
     _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
-    reverse_iterator       rbegin() _NOEXCEPT
-        {return       reverse_iterator(__base::end());}
+    reverse_iterator       rbegin()       {return       reverse_iterator(__base::end());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator rbegin() const _NOEXCEPT
-        {return const_reverse_iterator(__base::end());}
+    const_reverse_iterator rbegin() const {return const_reverse_iterator(__base::end());}
     _LIBCPP_INLINE_VISIBILITY
-    reverse_iterator       rend() _NOEXCEPT
-        {return       reverse_iterator(__base::begin());}
+    reverse_iterator       rend()         {return       reverse_iterator(__base::begin());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator rend()   const _NOEXCEPT
-        {return const_reverse_iterator(__base::begin());}
+    const_reverse_iterator rend()   const {return const_reverse_iterator(__base::begin());}
 
     _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
-    const_reverse_iterator crbegin() const _NOEXCEPT
-        {return const_reverse_iterator(__base::end());}
+    const_reverse_iterator crbegin() const {return const_reverse_iterator(__base::end());}
     _LIBCPP_INLINE_VISIBILITY
-    const_reverse_iterator crend()   const _NOEXCEPT
-        {return const_reverse_iterator(__base::begin());}
+    const_reverse_iterator crend()   const {return const_reverse_iterator(__base::begin());}
 
     // capacity:
+    _LIBCPP_INLINE_VISIBILITY size_type size() const {return __base::size();}
     _LIBCPP_INLINE_VISIBILITY
-    size_type size() const _NOEXCEPT {return __base::size();}
-    _LIBCPP_INLINE_VISIBILITY
-    size_type max_size() const _NOEXCEPT
-        {return __alloc_traits::max_size(__base::__alloc());}
+    size_type max_size() const {return __alloc_traits::max_size(__base::__alloc());}
     void resize(size_type __n);
     void resize(size_type __n, const value_type& __v);
-    void shrink_to_fit() _NOEXCEPT;
-    _LIBCPP_INLINE_VISIBILITY
-    bool empty() const _NOEXCEPT {return __base::size() == 0;}
+    void shrink_to_fit();
+    _LIBCPP_INLINE_VISIBILITY bool empty() const {return __base::size() == 0;}
 
     // element access:
     reference operator[](size_type __i);
@@ -1321,10 +1277,8 @@ public:
     iterator erase(const_iterator __p);
     iterator erase(const_iterator __f, const_iterator __l);
 
-    void swap(deque& __c)
-        _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<allocator_type>::value);
-    void clear() _NOEXCEPT;
+    void swap(deque& __c);
+    void clear();
 
     _LIBCPP_INLINE_VISIBILITY
     bool __invariants() const {return __base::__invariants();}
@@ -1394,8 +1348,7 @@ private:
     void __copy_assign_alloc(const deque& __c, false_type)
         {}
 
-    void __move_assign(deque& __c, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value);
+    void __move_assign(deque& __c, true_type);
     void __move_assign(deque& __c, false_type);
 };
 
@@ -1482,7 +1435,6 @@ deque<_Tp, _Allocator>::operator=(const deque& __c)
 template <class _Tp, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 deque<_Tp, _Allocator>::deque(deque&& __c)
-    _NOEXCEPT_(is_nothrow_move_constructible<__base>::value)
     : __base(_STD::move(__c))
 {
 }
@@ -1503,8 +1455,6 @@ template <class _Tp, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 deque<_Tp, _Allocator>&
 deque<_Tp, _Allocator>::operator=(deque&& __c)
-        _NOEXCEPT_(__alloc_traits::propagate_on_container_move_assignment::value &&
-                   is_nothrow_move_assignable<allocator_type>::value)
 {
     __move_assign(__c, integral_constant<bool,
           __alloc_traits::propagate_on_container_move_assignment::value>());
@@ -1527,7 +1477,6 @@ deque<_Tp, _Allocator>::__move_assign(deque& __c, false_type)
 template <class _Tp, class _Allocator>
 void
 deque<_Tp, _Allocator>::__move_assign(deque& __c, true_type)
-    _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value)
 {
     clear();
     shrink_to_fit();
@@ -1586,7 +1535,7 @@ deque<_Tp, _Allocator>::assign(size_type __n, const value_type& __v)
 template <class _Tp, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 _Allocator
-deque<_Tp, _Allocator>::get_allocator() const _NOEXCEPT
+deque<_Tp, _Allocator>::get_allocator() const
 {
     return __base::__alloc();
 }
@@ -1613,7 +1562,7 @@ deque<_Tp, _Allocator>::resize(size_type __n, const value_type& __v)
 
 template <class _Tp, class _Allocator>
 void
-deque<_Tp, _Allocator>::shrink_to_fit() _NOEXCEPT
+deque<_Tp, _Allocator>::shrink_to_fit()
 {
     allocator_type& __a = __base::__alloc();
     if (empty())
@@ -1838,7 +1787,7 @@ deque<_Tp, _Allocator>::insert(const_iterator __p, const value_type& __v)
             --__base::__start_;
             ++__base::size();
             if (__pos > 1)
-                __b = __move_and_check(_STD::next(__b), __b + __pos, __b, __vt);
+                __b = __move_and_check(next(__b), __b + __pos, __b, __vt);
             *__b = *__vt;
         }
     }
@@ -1898,7 +1847,7 @@ deque<_Tp, _Allocator>::insert(const_iterator __p, value_type&& __v)
             --__base::__start_;
             ++__base::size();
             if (__pos > 1)
-                __b = _STD::move(_STD::next(__b), __b + __pos, __b);
+                __b = _STD::move(next(__b), __b + __pos, __b);
             *__b = _STD::move(__v);
         }
     }
@@ -1956,7 +1905,7 @@ deque<_Tp, _Allocator>::emplace(const_iterator __p, _Args&&... __args)
             --__base::__start_;
             ++__base::size();
             if (__pos > 1)
-                __b = _STD::move(_STD::next(__b), __b + __pos, __b);
+                __b = _STD::move(next(__b), __b + __pos, __b);
             *__b = value_type(_STD::forward<_Args>(__args)...);
         }
     }
@@ -2672,7 +2621,7 @@ deque<_Tp, _Allocator>::erase(const_iterator __f)
     }
     else
     {   // erase from back
-        iterator __i = _STD::move(_STD::next(__p), __base::end(), __p);
+        iterator __i = _STD::move(next(__p), __base::end(), __p);
         __alloc_traits::destroy(__a, _STD::addressof(*__i));
         --__base::size();
         if (__back_spare() >= 2 * __base::__block_size)
@@ -2751,8 +2700,6 @@ template <class _Tp, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 void
 deque<_Tp, _Allocator>::swap(deque& __c)
-        _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<allocator_type>::value)
 {
     __base::swap(__c);
 }
@@ -2760,7 +2707,7 @@ deque<_Tp, _Allocator>::swap(deque& __c)
 template <class _Tp, class _Allocator>
 inline _LIBCPP_INLINE_VISIBILITY
 void
-deque<_Tp, _Allocator>::clear() _NOEXCEPT
+deque<_Tp, _Allocator>::clear()
 {
     __base::clear();
 }
@@ -2818,7 +2765,6 @@ template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 void
 swap(deque<_Tp, _Allocator>& __x, deque<_Tp, _Allocator>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }

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)
@@ -204,10 +203,9 @@ throw_with_nested (_Tp& __t, typename enable_if<
 }
 
 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)

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
 
@@ -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
@@ -441,28 +421,22 @@ 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() = _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 _STD::swap;
             swap(__x, __y);
@@ -474,7 +448,6 @@ 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_(_STD::move(__x.__before_begin_))
 {
     __x.__before_begin()->__next_ = nullptr;
@@ -505,8 +478,6 @@ 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 _STD::swap;
@@ -515,7 +486,7 @@ __forward_list_base<_Tp, _Alloc>::swap(__forward_list_base& __x)
 
 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;)
@@ -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(_STD::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
@@ -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
 
@@ -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>());
@@ -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)
@@ -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/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;
 
@@ -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
 };
 
@@ -997,12 +1003,12 @@ public:
     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());
@@ -1053,7 +1059,7 @@ __func<_F, _Alloc, _R(_ArgTypes...)>::operator()(_ArgTypes&& ... __arg)
 
 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&&);
@@ -1158,7 +1149,7 @@ 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)
@@ -1166,7 +1157,7 @@ public:
 
     // 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;
@@ -1254,13 +1245,13 @@ 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(_STD::move(__f));
@@ -1280,14 +1271,14 @@ 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(_STD::move(__f));
@@ -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();
@@ -1356,7 +1347,7 @@ 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)
@@ -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_)
     {
@@ -1426,7 +1417,7 @@ function<_R(_ArgTypes...)>::operator()(_ArgTypes... __arg) const
 
 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(_STD::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)
 {
@@ -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
@@ -1657,12 +1655,10 @@ __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:
@@ -1679,16 +1675,17 @@ public:
 
     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&&...>(_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(),
@@ -1707,10 +1704,6 @@ class __bind_r
 public:
     typedef _R result_type;
 
-    _LIBCPP_INLINE_VISIBILITY
-    __bind_r(__bind_r&& __b)
-        : base(_STD::forward<base>(__b)) {}
-
     template <class _G, class ..._BA>
       _LIBCPP_INLINE_VISIBILITY
       explicit __bind_r(_G&& __f, _BA&& ...__bound_args)
@@ -1739,19 +1732,19 @@ 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;
+    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;
+    typedef __bind_r<_R, typename decay<_F>::type, typename decay<_BoundArgs>::type...> type;
     return type(_STD::forward<_F>(__f), _STD::forward<_BoundArgs>(__bound_args)...);
 }
 
@@ -1762,7 +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 <>
@@ -1770,7 +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 <>
@@ -1778,7 +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 <>
@@ -1786,7 +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
@@ -1796,7 +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 <>
@@ -1804,7 +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
@@ -1814,7 +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 <>
@@ -1822,7 +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 <>
@@ -1830,7 +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 <>
@@ -1838,7 +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 <>
@@ -1846,7 +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 <>
@@ -1854,7 +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 <>
@@ -1862,7 +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 <>
@@ -1870,7 +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);
@@ -1885,7 +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);
@@ -1900,7 +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;
@@ -1914,7 +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;
@@ -1931,7 +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

@@ -463,7 +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
@@ -543,7 +543,7 @@ class __assoc_state
 protected:
     _U __value_;
 
-    virtual void __on_zero_shared() _NOEXCEPT;
+    virtual void __on_zero_shared();
 public:
 
     template <class _Arg>
@@ -566,7 +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();
@@ -640,7 +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);
@@ -651,7 +651,7 @@ public:
 
 template <class _R>
 void
-__assoc_state<_R&>::__on_zero_shared() _NOEXCEPT
+__assoc_state<_R&>::__on_zero_shared()
 {
     delete this;
 }
@@ -700,7 +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)
@@ -709,7 +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();
@@ -725,7 +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)
@@ -734,7 +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();
@@ -748,7 +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)
@@ -757,7 +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_);
@@ -858,115 +858,6 @@ __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_(_STD::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_(_STD::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> class promise;
 template <class> class shared_future;
 template <class> class atomic_future;
@@ -983,14 +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
 {
@@ -1002,16 +885,11 @@ class _LIBCPP_VISIBLE future
     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:
@@ -1105,16 +983,11 @@ class _LIBCPP_VISIBLE future<_R&>
     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:
@@ -1203,16 +1076,11 @@ class _LIBCPP_VISIBLE future<void>
     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:
@@ -2166,72 +2034,36 @@ __make_deferred_assoc_state(_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>(_STD::forward<_F>(__f)));
-    _STD::thread(&__async_assoc_state<_R, _F>::__execute, __h.get()).detach();
-    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_(_STD::move(__f), _STD::move(__args)...) {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    __async_func(__async_func&& __f) : __f_(_STD::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(_STD::move(_STD::get<0>(__f_)), _STD::move(_STD::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 = _STD::__make_async_assoc_state<_R>(_BF(__decay_copy(_STD::forward<_F>(__f)),
-                                                     __decay_copy(_STD::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 = _STD::__make_deferred_assoc_state<_R>(_BF(__decay_copy(_STD::forward<_F>(__f)),
-                                                        __decay_copy(_STD::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 _STD::async(launch::any, _STD::forward<_F>(__f),
-                                    _STD::forward<_Args>(__args)...);
+    return async(launch::any, _STD::forward<_F>(__f),
+                              _STD::forward<_Args>(__args)...);
 }
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS

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/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/iterator

@@ -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
 
@@ -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 _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() = _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())
     {
@@ -512,8 +482,6 @@ __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 _STD::swap;
     __swap_alloc(__node_alloc(), __c.__node_alloc());
@@ -559,9 +527,7 @@ public:
     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);
 };
 
@@ -865,7 +816,6 @@ 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(_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());
 }
@@ -1591,7 +1537,7 @@ 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)
     {
@@ -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);
@@ -2346,12 +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;

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)
@@ -513,7 +472,7 @@ 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_, _STD::addressof(__p->__value_.second));
@@ -550,10 +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->();}
@@ -608,21 +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
@@ -718,10 +676,6 @@ public:
 
     _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
@@ -757,7 +711,6 @@ public:
 
     _LIBCPP_INLINE_VISIBILITY
     map(map&& __m)
-        _NOEXCEPT_(is_nothrow_move_constructible<__base>::value)
         : __tree_(_STD::move(__m.__tree_))
         {
         }
@@ -780,7 +733,6 @@ public:
 
     _LIBCPP_INLINE_VISIBILITY
     map& operator=(map&& __m)
-        _NOEXCEPT_(is_nothrow_move_assignable<__base>::value)
         {
             __tree_ = _STD::move(__m.__tree_);
             return *this;
@@ -809,41 +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
@@ -854,7 +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
@@ -947,12 +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);}
@@ -1397,7 +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);
 }
@@ -1459,10 +1405,6 @@ public:
 
     _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
@@ -1499,7 +1441,6 @@ public:
 
     _LIBCPP_INLINE_VISIBILITY
     multimap(multimap&& __m)
-        _NOEXCEPT_(is_nothrow_move_constructible<__base>::value)
         : __tree_(_STD::move(__m.__tree_))
         {
         }
@@ -1522,7 +1463,6 @@ public:
 
     _LIBCPP_INLINE_VISIBILITY
     multimap& operator=(multimap&& __m)
-        _NOEXCEPT_(is_nothrow_move_assignable<__base>::value)
         {
             __tree_ = _STD::move(__m.__tree_);
             return *this;
@@ -1550,48 +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
 
@@ -1678,9 +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);}
@@ -1886,7 +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
 
@@ -458,39 +455,6 @@ private:
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 };
 
-#ifndef _LIBCPP_HAS_NO_VARIADICS
-
-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_(_STD::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(_STD::move(_STD::get<0>(__f_)), _STD::move(_STD::get<_Indices>(__f_))...);
-    }
-};
-
-#else
-
 template <class _F>
 class __call_once_param
 {
@@ -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(_STD::forward<_Callable>(__func)),
-                                __decay_copy(_STD::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)
-#if !__has_feature(cxx_noexcept)
-    throw(std::bad_alloc)
-#endif
-;
-_LIBCPP_VISIBLE void* operator new(std::size_t, const std::nothrow_t&) _NOEXCEPT;
-_LIBCPP_VISIBLE void  operator delete(void*) _NOEXCEPT;
-_LIBCPP_VISIBLE void  operator delete(void*, 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)
-#if !__has_feature(cxx_noexcept)
-    throw(std::bad_alloc)
-#endif
-;
-_LIBCPP_VISIBLE void* operator new[](std::size_t, const std::nothrow_t&) _NOEXCEPT;
-_LIBCPP_VISIBLE void  operator delete[](void*) _NOEXCEPT;
-_LIBCPP_VISIBLE void  operator delete[](void*, 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

@@ -1276,7 +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(_STD::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 = _STD::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(_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
@@ -262,6 +222,12 @@ public:
                                                          _Alloc>::value>::type* = 0)
             : 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
@@ -295,7 +261,6 @@ public:
 
     _LIBCPP_INLINE_VISIBILITY
     void swap(queue& __q)
-        _NOEXCEPT_(__is_nothrow_swappable<container_type>::value)
     {
         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(_STD::move(__q.c)), comp(_STD::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 = _STD::move(__q.c); comp = _STD::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>
@@ -554,6 +489,23 @@ priority_queue<_Tp, _Container, _Compare>::priority_queue(_InputIter __f, _Input
     _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
 
 template <class _Tp, class _Container, class _Compare>
@@ -684,8 +636,6 @@ 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 _STD::swap;
     swap(c, __q.c);
@@ -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)
@@ -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)
@@ -2751,7 +2741,7 @@ public:
     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;}
@@ -2950,7 +2940,7 @@ public:
     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);}
@@ -3173,7 +3163,7 @@ public:
     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();}
@@ -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)

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/regex

@@ -1264,7 +1264,6 @@ struct __state
     vector<pair<size_t, const _CharT*> > __loop_data_;
     const __node<_CharT>* __node_;
     regex_constants::match_flag_type __flags_;
-    bool __at_first_;
 
     _LIBCPP_INLINE_VISIBILITY
     __state()
@@ -1891,40 +1890,6 @@ __word_boundary<_CharT, _Traits>::__exec(__state& __s) const
     }
 }
 
-// __l_anchor
-
-template <class _CharT>
-class __l_anchor
-    : public __owns_one_state<_CharT>
-{
-    typedef __owns_one_state<_CharT> base;
-
-public:
-    typedef _STD::__state<_CharT> __state;
-
-    _LIBCPP_INLINE_VISIBILITY
-    __l_anchor(__node<_CharT>* __s)
-        : base(__s) {}
-
-    virtual void __exec(__state&) const;
-};
-
-template <class _CharT>
-void
-__l_anchor<_CharT>::__exec(__state& __s) const
-{
-    if (__s.__at_first_ && __s.__current_ == __s.__first_)
-    {
-        __s.__do_ = __state::__accept_but_not_consume;
-        __s.__node_ = this->first();
-    }
-    else
-    {
-        __s.__do_ = __state::__reject;
-        __s.__node_ = nullptr;
-    }
-}
-
 // __r_anchor
 
 template <class _CharT>
@@ -2429,6 +2394,7 @@ private:
     int __open_count_;
     shared_ptr<__empty_state<_CharT> > __start_;
     __owns_one_state<_CharT>* __end_;
+    bool __left_anchor_;
 
     typedef _STD::__state<_CharT> __state;
     typedef _STD::__node<_CharT> __node;
@@ -2450,17 +2416,17 @@ public:
     _LIBCPP_INLINE_VISIBILITY
     basic_regex()
         : __flags_(), __marked_count_(0), __loop_count_(0), __open_count_(0),
-          __end_(0)
+          __end_(0), __left_anchor_(false)
         {}
     _LIBCPP_INLINE_VISIBILITY
     explicit basic_regex(const value_type* __p, flag_type __f = regex_constants::ECMAScript)
         : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
-          __end_(0)
+          __end_(0), __left_anchor_(false)
         {__parse(__p, __p + __traits_.length(__p));}
     _LIBCPP_INLINE_VISIBILITY
     basic_regex(const value_type* __p, size_t __len, flag_type __f)
         : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
-          __end_(0)
+          __end_(0), __left_anchor_(false)
         {__parse(__p, __p + __len);}
 //     basic_regex(const basic_regex&) = default;
 //     basic_regex(basic_regex&&) = default;
@@ -2469,20 +2435,20 @@ public:
         explicit basic_regex(const basic_string<value_type, _ST, _SA>& __p,
                              flag_type __f = regex_constants::ECMAScript)
         : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
-          __end_(0)
+          __end_(0), __left_anchor_(false)
         {__parse(__p.begin(), __p.end());}
     template <class _ForwardIterator>
         _LIBCPP_INLINE_VISIBILITY
         basic_regex(_ForwardIterator __first, _ForwardIterator __last,
                     flag_type __f = regex_constants::ECMAScript)
         : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
-          __end_(0)
+          __end_(0), __left_anchor_(false)
         {__parse(__first, __last);}
     _LIBCPP_INLINE_VISIBILITY
     basic_regex(initializer_list<value_type> __il,
                 flag_type __f = regex_constants::ECMAScript)
         : __flags_(__f), __marked_count_(0), __loop_count_(0), __open_count_(0),
-          __end_(0)
+          __end_(0), __left_anchor_(false)
         {__parse(__il.begin(), __il.end());}
 
 //    ~basic_regex() = default;
@@ -2540,6 +2506,7 @@ private:
         __loop_count_ = 0;
         __open_count_ = 0;
         __end_ = nullptr;
+        __left_anchor_ = false;
     }
 public:
 
@@ -2727,7 +2694,7 @@ private:
                           basic_string<_CharT>* __str = nullptr);
 
     _LIBCPP_INLINE_VISIBILITY
-    void __push_l_anchor();
+    void __push_l_anchor() {__left_anchor_ = true;}
     void __push_r_anchor();
     void __push_match_any();
     void __push_match_any_but_newline();
@@ -2765,22 +2732,22 @@ private:
         bool
         __match_at_start(const _CharT* __first, const _CharT* __last,
                  match_results<const _CharT*, _Allocator>& __m,
-                 regex_constants::match_flag_type __flags, bool) const;
+                 regex_constants::match_flag_type __flags) const;
     template <class _Allocator>
         bool
         __match_at_start_ecma(const _CharT* __first, const _CharT* __last,
                  match_results<const _CharT*, _Allocator>& __m,
-                 regex_constants::match_flag_type __flags, bool) const;
+                 regex_constants::match_flag_type __flags) const;
     template <class _Allocator>
         bool
         __match_at_start_posix_nosubs(const _CharT* __first, const _CharT* __last,
                  match_results<const _CharT*, _Allocator>& __m,
-                 regex_constants::match_flag_type __flags, bool) const;
+                 regex_constants::match_flag_type __flags) const;
     template <class _Allocator>
         bool
         __match_at_start_posix_subs(const _CharT* __first, const _CharT* __last,
                  match_results<const _CharT*, _Allocator>& __m,
-                 regex_constants::match_flag_type __flags, bool) const;
+                 regex_constants::match_flag_type __flags) const;
 
     template <class _B, class _A, class _C, class _T>
     friend
@@ -2842,6 +2809,7 @@ basic_regex<_CharT, _Traits>::swap(basic_regex& __r)
     swap(__open_count_, __r.__open_count_);
     swap(__start_, __r.__start_);
     swap(__end_, __r.__end_);
+    swap(__left_anchor_, __r.__left_anchor_);
 }
 
 template <class _CharT, class _Traits>
@@ -2882,9 +2850,7 @@ __lookahead<_CharT, _Traits>::__exec(__state& __s) const
     match_results<const _CharT*> __m;
     __m.__init(1 + __exp_.mark_count(), __s.__current_, __s.__last_);
     bool __matched = __exp_.__match_at_start_ecma(__s.__current_, __s.__last_,
-                                                  __m,
-                                                  __s.__flags_ | regex_constants::match_continuous,
-                                                  true);
+                                                  __m, __s.__flags_);
     if (__matched != __invert_)
     {
         __s.__do_ = __state::__accept_but_not_consume;
@@ -4121,6 +4087,7 @@ basic_regex<_CharT, _Traits>::__parse_assertion(_ForwardIterator __first,
                                 basic_regex __exp;
                                 __exp.__flags_ = __flags_;
                                 __temp = __exp.__parse(++__temp, __last);
+                                __exp.__push_l_anchor();
                                 __push_lookahead(_STD::move(__exp), false);
 #ifndef _LIBCPP_NO_EXCEPTIONS
                                 if (__temp == __last || *__temp != ')')
@@ -4134,6 +4101,7 @@ basic_regex<_CharT, _Traits>::__parse_assertion(_ForwardIterator __first,
                                 basic_regex __exp;
                                 __exp.__flags_ = __flags_;
                                 __temp = __exp.__parse(++__temp, __last);
+                                __exp.__push_l_anchor();
                                 __push_lookahead(_STD::move(__exp), true);
 #ifndef _LIBCPP_NO_EXCEPTIONS
                                 if (__temp == __last || *__temp != ')')
@@ -4608,14 +4576,6 @@ basic_regex<_CharT, _Traits>::__push_end_marked_subexpression(unsigned __sub)
     }
 }
 
-template <class _CharT, class _Traits>
-void
-basic_regex<_CharT, _Traits>::__push_l_anchor()
-{
-    __end_->first() = new __l_anchor<_CharT>(__end_->first());
-    __end_ = static_cast<__owns_one_state<_CharT>*>(__end_->first());
-}
-
 template <class _CharT, class _Traits>
 void
 basic_regex<_CharT, _Traits>::__push_r_anchor()
@@ -5481,7 +5441,7 @@ bool
 basic_regex<_CharT, _Traits>::__match_at_start_ecma(
         const _CharT* __first, const _CharT* __last,
         match_results<const _CharT*, _Allocator>& __m,
-        regex_constants::match_flag_type __flags, bool __at_first) const
+        regex_constants::match_flag_type __flags) const
 {
     vector<__state> __states;
     ptrdiff_t __j = 0;
@@ -5498,7 +5458,6 @@ basic_regex<_CharT, _Traits>::__match_at_start_ecma(
         __states.back().__loop_data_.resize(__loop_count());
         __states.back().__node_ = __st;
         __states.back().__flags_ = __flags;
-        __states.back().__at_first_ = __at_first;
         bool __matched = false;
         do
         {
@@ -5547,7 +5506,7 @@ bool
 basic_regex<_CharT, _Traits>::__match_at_start_posix_nosubs(
         const _CharT* __first, const _CharT* __last,
         match_results<const _CharT*, _Allocator>& __m,
-        regex_constants::match_flag_type __flags, bool __at_first) const
+        regex_constants::match_flag_type __flags) const
 {
     deque<__state> __states;
     ptrdiff_t __highest_j = 0;
@@ -5563,7 +5522,6 @@ basic_regex<_CharT, _Traits>::__match_at_start_posix_nosubs(
         __states.back().__loop_data_.resize(__loop_count());
         __states.back().__node_ = __st;
         __states.back().__flags_ = __flags;
-        __states.back().__at_first_ = __at_first;
         bool __matched = false;
         do
         {
@@ -5625,7 +5583,7 @@ bool
 basic_regex<_CharT, _Traits>::__match_at_start_posix_subs(
         const _CharT* __first, const _CharT* __last,
         match_results<const _CharT*, _Allocator>& __m,
-        regex_constants::match_flag_type __flags, bool __at_first) const
+        regex_constants::match_flag_type __flags) const
 {
     vector<__state> __states;
     __state __best_state;
@@ -5644,7 +5602,6 @@ basic_regex<_CharT, _Traits>::__match_at_start_posix_subs(
         __states.back().__loop_data_.resize(__loop_count());
         __states.back().__node_ = __st;
         __states.back().__flags_ = __flags;
-        __states.back().__at_first_ = __at_first;
         const _CharT* __current = __first;
         bool __matched = false;
         do
@@ -5710,13 +5667,13 @@ bool
 basic_regex<_CharT, _Traits>::__match_at_start(
         const _CharT* __first, const _CharT* __last,
         match_results<const _CharT*, _Allocator>& __m,
-        regex_constants::match_flag_type __flags, bool __at_first) const
+        regex_constants::match_flag_type __flags) const
 {
     if ((__flags_ & 0x1F0) == ECMAScript)
-        return __match_at_start_ecma(__first, __last, __m, __flags, __at_first);
+        return __match_at_start_ecma(__first, __last, __m, __flags);
     if (mark_count() == 0)
-        return __match_at_start_posix_nosubs(__first, __last, __m, __flags, __at_first);
-    return __match_at_start_posix_subs(__first, __last, __m, __flags, __at_first);
+        return __match_at_start_posix_nosubs(__first, __last, __m, __flags);
+    return __match_at_start_posix_subs(__first, __last, __m, __flags);
 }
 
 template <class _CharT, class _Traits>
@@ -5727,9 +5684,11 @@ basic_regex<_CharT, _Traits>::__search(
         match_results<const _CharT*, _Allocator>& __m,
         regex_constants::match_flag_type __flags) const
 {
+    if (__left_anchor_)
+        __flags |= regex_constants::match_continuous;
     __m.__init(1 + mark_count(), __first, __last,
                                     __flags & regex_constants::__no_update_pos);
-    if (__match_at_start(__first, __last, __m, __flags, true))
+    if (__match_at_start(__first, __last, __m, __flags))
     {
         __m.__prefix_.second = __m[0].first;
         __m.__prefix_.matched = __m.__prefix_.first != __m.__prefix_.second;
@@ -5743,7 +5702,7 @@ basic_regex<_CharT, _Traits>::__search(
         for (++__first; __first != __last; ++__first)
         {
             __m.__matches_.assign(__m.size(), __m.__unmatched_);
-            if (__match_at_start(__first, __last, __m, __flags, false))
+            if (__match_at_start(__first, __last, __m, __flags))
             {
                 __m.__prefix_.second = __m[0].first;
                 __m.__prefix_.matched = __m.__prefix_.first != __m.__prefix_.second;

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<
@@ -193,7 +190,7 @@ protected:
                       >::type>
         _LIBCPP_INLINE_VISIBILITY
         __scoped_allocator_storage(_OuterA2&& __outerAlloc,
-                                   const _InnerAllocs& ...__innerAllocs) _NOEXCEPT
+                                   const _InnerAllocs& ...__innerAllocs)
             : outer_allocator_type(_STD::forward<_OuterA2>(__outerAlloc)),
               __inner_(__innerAllocs...) {}
 
@@ -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()) {}
 
@@ -213,7 +210,7 @@ protected:
                       >::type>
         _LIBCPP_INLINE_VISIBILITY
         __scoped_allocator_storage(
-            __scoped_allocator_storage<_OuterA2, _InnerAllocs...>&& __other) _NOEXCEPT
+            __scoped_allocator_storage<_OuterA2, _InnerAllocs...>&& __other)
             : outer_allocator_type(_STD::move(__other.outer_allocator())),
               __inner_(_STD::move(__other.inner_allocator())) {}
 
@@ -223,27 +220,27 @@ protected:
                       >::type>
         _LIBCPP_INLINE_VISIBILITY
         __scoped_allocator_storage(_OuterA2&& __o,
-                                   const inner_allocator_type& __i) _NOEXCEPT
+                                   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...>
             (
@@ -266,14 +263,14 @@ 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
+        __scoped_allocator_storage(_OuterA2&& __outerAlloc)
             : outer_allocator_type(_STD::forward<_OuterA2>(__outerAlloc)) {}
 
     template <class _OuterA2,
@@ -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
+            __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>
@@ -358,7 +355,7 @@ struct __outermost<_Alloc, true>
                      >::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());}
 };
 
@@ -406,14 +403,14 @@ 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
+                                 const _InnerAllocs& ...__innerAllocs)
             : base(_STD::forward<_OuterA2>(__outerAlloc), __innerAllocs...) {}
     // scoped_allocator_adaptor(const scoped_allocator_adaptor& __other) = default;
     template <class _OuterA2,
@@ -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
+            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);}
 
@@ -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:
@@ -493,7 +490,7 @@ private:
                       >::type>
     _LIBCPP_INLINE_VISIBILITY
     scoped_allocator_adaptor(_OuterA2&& __o,
-                             const inner_allocator_type& __i) _NOEXCEPT
+                             const inner_allocator_type& __i)
         : base(_STD::forward<_OuterA2>(__o), __i) {}
 
     template <class _Tp, class... _Args>
@@ -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
 
@@ -375,10 +341,6 @@ public:
 
     _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)
@@ -411,7 +373,6 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     set(set&& __s)
-        _NOEXCEPT_(is_nothrow_move_constructible<__base>::value)
         : __tree_(_STD::move(__s.__tree_)) {}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
@@ -455,7 +416,6 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     set& operator=(set&& __s)
-        _NOEXCEPT_(is_nothrow_move_assignable<__base>::value)
         {
             __tree_ = _STD::move(__s.__tree_);
             return *this;
@@ -463,42 +423,38 @@ public:
 #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)
@@ -548,14 +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
@@ -665,7 +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);
 }
@@ -704,10 +658,6 @@ public:
     // 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)
@@ -741,7 +691,6 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     multiset(multiset&& __s)
-        _NOEXCEPT_(is_nothrow_move_constructible<__base>::value)
         : __tree_(_STD::move(__s.__tree_)) {}
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
@@ -782,7 +731,6 @@ public:
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     multiset& operator=(multiset&& __s)
-        _NOEXCEPT_(is_nothrow_move_assignable<__base>::value)
         {
             __tree_ = _STD::move(__s.__tree_);
             return *this;
@@ -790,42 +738,38 @@ public:
 #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)
@@ -874,15 +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
@@ -991,7 +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/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(_STD::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 = _STD::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(_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
@@ -203,7 +176,6 @@ public:
 
     _LIBCPP_INLINE_VISIBILITY
     void swap(stack& __s)
-        _NOEXCEPT_(__is_nothrow_swappable<container_type>::value)
     {
         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/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
@@ -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(_STD::move(_STD::get<0>(__t)), _STD::move(_STD::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;
-    _STD::unique_ptr<_G> __p(new _G(__decay_copy(_STD::forward<_F>(__f)),
-                                __decay_copy(_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>
 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());
 }
@@ -265,7 +256,7 @@ public:
         }
 
     _LIBCPP_INLINE_VISIBILITY
-    int swap(__tuple_leaf& __t) _NOEXCEPT_(__is_nothrow_swappable<__tuple_leaf>::value)
+    int swap(__tuple_leaf& __t)
     {
         _STD::swap(*this, __t);
         return 0;
@@ -333,9 +324,7 @@ public:
             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)
     {
         _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;
@@ -437,7 +412,6 @@ struct __tuple_impl<__tuple_indices<_Indx...>, _Tp...>
 
     _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))...);
     }
@@ -559,8 +533,7 @@ public:
         }
 
     _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
 

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)
@@ -478,7 +421,7 @@ 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_, _STD::addressof(__p->__value_.second));
@@ -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);
@@ -693,34 +632,33 @@ public:
     // ~unordered_map() = default;
     // 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
@@ -795,12 +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
@@ -831,9 +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
@@ -855,9 +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
@@ -959,7 +895,6 @@ 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_(_STD::move(__u.__table_))
 {
 }
@@ -1014,7 +949,6 @@ 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_ = _STD::move(__u.__table_);
     return *this;
@@ -1177,7 +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);
 }
@@ -1260,9 +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,
@@ -1283,8 +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);
@@ -1297,34 +1227,33 @@ public:
     // ~unordered_multimap() = default;
     // 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
@@ -1395,12 +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
@@ -1423,10 +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
@@ -1448,9 +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
@@ -1548,7 +1474,6 @@ 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_(_STD::move(__u.__table_))
 {
 }
@@ -1605,7 +1530,6 @@ 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_ = _STD::move(__u.__table_);
     return *this;
@@ -1713,7 +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);
 }

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);
@@ -375,34 +332,33 @@ public:
     // ~unordered_set() = default;
     // 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>
@@ -444,12 +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();}
@@ -470,9 +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);}
@@ -493,9 +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
@@ -582,7 +536,6 @@ 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_(_STD::move(__u.__table_))
 {
 }
@@ -635,7 +588,6 @@ 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_ = _STD::move(__u.__table_);
     return *this;
@@ -669,7 +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);
 }
@@ -733,9 +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,
@@ -754,8 +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);
@@ -768,34 +716,33 @@ public:
     // ~unordered_multiset() = default;
     // 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>
@@ -835,12 +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();}
@@ -861,9 +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);}
@@ -884,9 +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
@@ -974,7 +919,6 @@ 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_(_STD::move(__u.__table_))
 {
 }
@@ -1028,7 +972,6 @@ 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_ = _STD::move(__u.__table_);
     return *this;
@@ -1062,7 +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);
 }

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
 
@@ -181,7 +168,7 @@ 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])
 {
     _STD::swap_ranges(__a, __a + _N, __b);
 }
@@ -198,7 +185,7 @@ typename conditional
 #else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 const _Tp&
 #endif
-move_if_noexcept(_Tp& __x) _NOEXCEPT
+move_if_noexcept(_Tp& __x)
 {
     return _STD::move(__x);
 }
@@ -207,6 +194,9 @@ 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
 {
@@ -216,29 +206,11 @@ 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_convertible<_U1, _T1>::value &&
-                                    is_convertible<_U2, _T2>::value>::type* = 0)
-            : first(__p.first), second(__p.second) {}
-
-    _LIBCPP_INLINE_VISIBILITY
-    pair& operator=(const pair& __p)
-    {
-        first = __p.first;
-        second = __p.second;
-        return *this;
-    }
-
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
     template <class _U1, class _U2,
@@ -250,24 +222,6 @@ struct _LIBCPP_VISIBLE pair
               second(_STD::forward<_U2>(__u2))
             {}
 
-    template<class _U1, class _U2>
-        _LIBCPP_INLINE_VISIBILITY
-        pair(pair<_U1, _U2>&& __p,
-                 typename enable_if<is_convertible<_U1, _T1>::value &&
-                                    is_convertible<_U2, _T2>::value>::type* = 0)
-            : first(_STD::forward<_U1>(__p.first)),
-              second(_STD::forward<_U2>(__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 = _STD::forward<first_type>(__p.first);
-        second = _STD::forward<second_type>(__p.second);
-        return *this;
-    }
-
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template<class _Tuple,
@@ -307,15 +261,12 @@ struct _LIBCPP_VISIBLE pair
 
 #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)
-    {
-        _STD::iter_swap(&first, &__p.first);
-        _STD::iter_swap(&second, &__p.second);
-    }
+    void _LIBCPP_INLINE_VISIBILITY swap(pair& __p) {_STD::swap(*this, __p);}
 private:
 
 #ifndef _LIBCPP_HAS_NO_VARIADICS
@@ -377,17 +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
@@ -480,13 +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
 
@@ -494,7 +439,7 @@ struct __get_pair<0>
     static
     _LIBCPP_INLINE_VISIBILITY
     _T1&&
-    get(pair<_T1, _T2>&& __p) _NOEXCEPT {return _STD::forward<_T1>(__p.first);}
+    get(pair<_T1, _T2>&& __p) {return _STD::forward<_T1>(__p.first);}
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 };
@@ -506,13 +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
 
@@ -520,7 +465,7 @@ struct __get_pair<1>
     static
     _LIBCPP_INLINE_VISIBILITY
     _T2&&
-    get(pair<_T1, _T2>&& __p) _NOEXCEPT {return _STD::forward<_T2>(__p.second);}
+    get(pair<_T1, _T2>&& __p) {return _STD::forward<_T2>(__p.second);}
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 };
@@ -528,7 +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);
 }
@@ -536,7 +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);
 }
@@ -546,7 +491,7 @@ 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(_STD::move(__p));
 }

include/vector

@@ -34,53 +34,47 @@ public:
     typedef std::reverse_iterator<iterator>          reverse_iterator;
     typedef std::reverse_iterator<const_iterator>    const_reverse_iterator;
 
-    vector()
-        noexcept(is_nothrow_default_constructible<allocator_type>::value);
-    explicit vector(const allocator_type&);
+    explicit vector(const allocator_type& = allocator_type());
     explicit vector(size_type n);
     vector(size_type n, const value_type& value, const allocator_type& = allocator_type());
     template <class InputIterator>
         vector(InputIterator first, InputIterator last, const allocator_type& = allocator_type());
     vector(const vector& x);
-    vector(vector&& x)
-        noexcept(is_nothrow_move_constructible<allocator_type>::value);
+    vector(vector&& x);
     vector(initializer_list<value_type> il);
     vector(initializer_list<value_type> il, const allocator_type& a);
     ~vector();
     vector& operator=(const vector& x);
-    vector& operator=(vector&& x)
-        noexcept(
-             allocator_type::propagate_on_container_move_assignment::value &&
-             is_nothrow_move_assignable<allocator_type>::value);
+    vector& operator=(vector&& x);
     vector& operator=(initializer_list<value_type> il);
     template <class InputIterator>
         void assign(InputIterator first, InputIterator last);
     void assign(size_type n, const value_type& u);
     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;
 
-    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;
 
-    size_type size() const noexcept;
-    size_type max_size() const noexcept;
-    size_type capacity() const noexcept;
-    bool empty() const noexcept;
+    size_type size() const;
+    size_type max_size() const;
+    size_type capacity() const;
+    bool empty() const;
     void reserve(size_type n);
-    void shrink_to_fit() noexcept;
+    void shrink_to_fit();
 
     reference       operator[](size_type n);
     const_reference operator[](size_type n) const;
@@ -92,8 +86,8 @@ public:
     reference       back();
     const_reference back() const;
 
-    value_type*       data() noexcept;
-    const value_type* data() const noexcept;
+    value_type*       data();
+    const value_type* data() const;
 
     void push_back(const value_type& x);
     void push_back(value_type&& x);
@@ -112,14 +106,12 @@ public:
     iterator erase(const_iterator position);
     iterator erase(const_iterator first, const_iterator last);
 
-    void clear() noexcept;
+    void clear();
 
     void resize(size_type sz);
     void resize(size_type sz, const value_type& c);
 
-    void swap(vector&)
-        noexcept(!allocator_type::propagate_on_container_swap::value ||
-                 __is_nothrow_swappable<allocator_type>::value);
+    void swap(vector&);
 
     bool __invariants() const;
 };
@@ -142,68 +134,62 @@ public:
     class reference
     {
     public:
-        reference(const reference&) noexcept;
-        operator bool() const noexcept;
-        reference& operator=(const bool x) noexcept;
-        reference& operator=(const reference& x) noexcept;
-        iterator operator&() const noexcept;
-        void flip() noexcept;
+        reference(const reference&);
+        operator bool() const;
+        reference& operator=(const bool x);
+        reference& operator=(const reference& x);
+        iterator operator&() const;
+        void flip();
     };
 
     class const_reference
     {
     public:
-        const_reference(const reference&) noexcept;
-        operator bool() const noexcept;
-        const_iterator operator&() const noexcept;
+        const_reference(const reference&);
+        operator bool() const;
+        const_iterator operator&() const;
     };
 
-    vector()
-        noexcept(is_nothrow_default_constructible<allocator_type>::value);
     explicit vector(const allocator_type& = allocator_type());
     explicit vector(size_type n, const value_type& value = value_type(), const allocator_type& = allocator_type());
     template <class InputIterator>
         vector(InputIterator first, InputIterator last, const allocator_type& = allocator_type());
     vector(const vector& x);
-    vector(vector&& x)
-        noexcept(is_nothrow_move_constructible<allocator_type>::value);
+    vector(vector&& x);
     vector(initializer_list<value_type> il);
     vector(initializer_list<value_type> il, const allocator_type& a);
     ~vector();
     vector& operator=(const vector& x);
-    vector& operator=(vector&& x)
-        noexcept(
-             allocator_type::propagate_on_container_move_assignment::value &&
-             is_nothrow_move_assignable<allocator_type>::value);
+    vector& operator=(vector&& x);
     vector& operator=(initializer_list<value_type> il);
     template <class InputIterator>
         void assign(InputIterator first, InputIterator last);
     void assign(size_type n, const value_type& u);
     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;
 
-    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;
 
-    size_type size() const noexcept;
-    size_type max_size() const noexcept;
-    size_type capacity() const noexcept;
-    bool empty() const noexcept;
+    size_type size() const;
+    size_type max_size() const;
+    size_type capacity() const;
+    bool empty() const;
     void reserve(size_type n);
-    void shrink_to_fit() noexcept;
+    void shrink_to_fit();
 
     reference       operator[](size_type n);
     const_reference operator[](size_type n) const;
@@ -227,15 +213,13 @@ public:
     iterator erase(const_iterator position);
     iterator erase(const_iterator first, const_iterator last);
 
-    void clear() noexcept;
+    void clear();
 
     void resize(size_type sz);
     void resize(size_type sz, value_type x);
 
-    void swap(vector&)
-        noexcept(!allocator_type::propagate_on_container_swap::value ||
-                 __is_nothrow_swappable<allocator_type>::value);
-    void flip() noexcept;
+    void swap(vector&);
+    void flip();
 
     bool __invariants() const;
 };
@@ -249,9 +233,7 @@ template <class T, class Allocator> bool operator> (const vector<T,Allocator>& x
 template <class T, class Allocator> bool operator>=(const vector<T,Allocator>& x, const vector<T,Allocator>& y);
 template <class T, class Allocator> bool operator<=(const vector<T,Allocator>& x, const vector<T,Allocator>& y);
 
-template <class T, class Allocator>
-void swap(vector<T,Allocator>& x, vector<T,Allocator>& y)
-    noexcept(noexcept(x.swap(y)));
+template <class T, class Allocator> void swap(vector<T,Allocator>& x, vector<T,Allocator>& y);
 
 }  // std
 
@@ -331,38 +313,22 @@ protected:
     pointer                                         __end_;
     __compressed_pair<pointer, allocator_type> __end_cap_;
 
-    _LIBCPP_INLINE_VISIBILITY
-    allocator_type& __alloc() _NOEXCEPT
-        {return __end_cap_.second();}
-    _LIBCPP_INLINE_VISIBILITY
-    const allocator_type& __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 allocator_type&       __alloc()         {return __end_cap_.second();}
+    _LIBCPP_INLINE_VISIBILITY const allocator_type& __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();}
 
-    _LIBCPP_INLINE_VISIBILITY
-    __vector_base()
-        _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value);
+    _LIBCPP_INLINE_VISIBILITY __vector_base();
     _LIBCPP_INLINE_VISIBILITY __vector_base(const allocator_type& __a);
     ~__vector_base();
 
-    _LIBCPP_INLINE_VISIBILITY
-    void clear() _NOEXCEPT {__destruct_at_end(__begin_);}
-    _LIBCPP_INLINE_VISIBILITY
-    size_type capacity() const _NOEXCEPT
-        {return static_cast<size_type>(__end_cap() - __begin_);}
+    _LIBCPP_INLINE_VISIBILITY void clear() {__destruct_at_end(__begin_);}
+    _LIBCPP_INLINE_VISIBILITY size_type capacity() const {return static_cast<size_type>(__end_cap() - __begin_);}
 
-    _LIBCPP_INLINE_VISIBILITY
-    void __destruct_at_end(const_pointer __new_last) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY void __destruct_at_end(const_pointer __new_last)
         {__destruct_at_end(__new_last, is_trivially_destructible<value_type>());}
-    _LIBCPP_INLINE_VISIBILITY
-    void __destruct_at_end(const_pointer __new_last, false_type) _NOEXCEPT;
-    _LIBCPP_INLINE_VISIBILITY
-    void __destruct_at_end(const_pointer __new_last, true_type) _NOEXCEPT;
+    _LIBCPP_INLINE_VISIBILITY void __destruct_at_end(const_pointer __new_last, false_type);
+    _LIBCPP_INLINE_VISIBILITY void __destruct_at_end(const_pointer __new_last, true_type);
 
     _LIBCPP_INLINE_VISIBILITY
     void __copy_assign_alloc(const __vector_base& __c)
@@ -371,17 +337,11 @@ protected:
 
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(__vector_base& __c)
-        _NOEXCEPT_(
-            !__alloc_traits::propagate_on_container_move_assignment::value ||
-            is_nothrow_move_assignable<allocator_type>::value)
         {__move_assign_alloc(__c, integral_constant<bool,
                       __alloc_traits::propagate_on_container_move_assignment::value>());}
 
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(allocator_type& __x, allocator_type& __y)
-        _NOEXCEPT_(
-            !__alloc_traits::propagate_on_container_swap::value ||
-            __is_nothrow_swappable<allocator_type>::value)
         {__swap_alloc(__x, __y, integral_constant<bool,
                       __alloc_traits::propagate_on_container_swap::value>());}
 private:
@@ -403,33 +363,29 @@ private:
 
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(const __vector_base& __c, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value)
         {
             __alloc() = _STD::move(__c.__alloc());
         }
 
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(const __vector_base& __c, false_type)
-        _NOEXCEPT
         {}
 
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(allocator_type& __x, allocator_type& __y, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value)
         {
             using _STD::swap;
             swap(__x, __y);
         }
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(allocator_type& __x, allocator_type& __y, false_type)
-        _NOEXCEPT
         {}
 };
 
 template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 void
-__vector_base<_Tp, _Allocator>::__destruct_at_end(const_pointer __new_last, false_type) _NOEXCEPT
+__vector_base<_Tp, _Allocator>::__destruct_at_end(const_pointer __new_last, false_type)
 {
     while (__new_last < __end_)
         __alloc_traits::destroy(__alloc(), const_cast<pointer>(--__end_));
@@ -438,7 +394,7 @@ __vector_base<_Tp, _Allocator>::__destruct_at_end(const_pointer __new_last, fals
 template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 void
-__vector_base<_Tp, _Allocator>::__destruct_at_end(const_pointer __new_last, true_type) _NOEXCEPT
+__vector_base<_Tp, _Allocator>::__destruct_at_end(const_pointer __new_last, true_type)
 {
     __end_ = const_cast<pointer>(__new_last);
 }
@@ -446,7 +402,6 @@ __vector_base<_Tp, _Allocator>::__destruct_at_end(const_pointer __new_last, true
 template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 __vector_base<_Tp, _Allocator>::__vector_base()
-        _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value)
     : __begin_(0),
       __end_(0),
       __end_cap_(0)
@@ -510,10 +465,7 @@ public:
     typedef _STD::reverse_iterator<iterator>         reverse_iterator;
     typedef _STD::reverse_iterator<const_iterator>   const_reverse_iterator;
 
-    _LIBCPP_INLINE_VISIBILITY
-    vector()
-        _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value)
-        {}
+    _LIBCPP_INLINE_VISIBILITY vector() {}
     _LIBCPP_INLINE_VISIBILITY explicit vector(const allocator_type& __a) : __base(__a) {}
     explicit vector(size_type __n);
     vector(size_type __n, const_reference __x);
@@ -547,15 +499,11 @@ public:
     vector& operator=(const vector& __x);
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
-    vector(vector&& __x)
-        _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value);
+    vector(vector&& __x);
     _LIBCPP_INLINE_VISIBILITY
     vector(vector&& __x, const allocator_type& __a);
     _LIBCPP_INLINE_VISIBILITY
-    vector& operator=(vector&& __x)
-        _NOEXCEPT_(
-             __alloc_traits::propagate_on_container_move_assignment::value &&
-             is_nothrow_move_assignable<allocator_type>::value);
+    vector& operator=(vector&& __x);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     vector& operator=(initializer_list<value_type> __il)
@@ -582,53 +530,29 @@ public:
     void assign(initializer_list<value_type> __il)
         {assign(__il.begin(), __il.end());}
 
-    _LIBCPP_INLINE_VISIBILITY
-    allocator_type get_allocator() const _NOEXCEPT
-        {return this->__alloc();}
+    _LIBCPP_INLINE_VISIBILITY allocator_type get_allocator() const {return this->__alloc();}
 
-    _LIBCPP_INLINE_VISIBILITY iterator               begin() _NOEXCEPT;
-    _LIBCPP_INLINE_VISIBILITY const_iterator         begin()   const _NOEXCEPT;
-    _LIBCPP_INLINE_VISIBILITY iterator               end() _NOEXCEPT;
-    _LIBCPP_INLINE_VISIBILITY const_iterator         end()     const _NOEXCEPT;
+    _LIBCPP_INLINE_VISIBILITY iterator               begin();
+    _LIBCPP_INLINE_VISIBILITY const_iterator         begin()   const;
+    _LIBCPP_INLINE_VISIBILITY iterator               end();
+    _LIBCPP_INLINE_VISIBILITY const_iterator         end()     const;
 
-    _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();}
 
-    _LIBCPP_INLINE_VISIBILITY
-    size_type size() const _NOEXCEPT
-        {return static_cast<size_type>(this->__end_ - this->__begin_);}
-    _LIBCPP_INLINE_VISIBILITY
-    size_type capacity() const _NOEXCEPT
-        {return __base::capacity();}
-    _LIBCPP_INLINE_VISIBILITY
-    bool empty() const _NOEXCEPT
-        {return this->__begin_ == this->__end_;}
-    size_type max_size() const _NOEXCEPT;
+    _LIBCPP_INLINE_VISIBILITY size_type size() const {return static_cast<size_type>(this->__end_ - this->__begin_);}
+    _LIBCPP_INLINE_VISIBILITY size_type capacity() const {return __base::capacity();}
+    _LIBCPP_INLINE_VISIBILITY bool empty() const {return this->__begin_ == this->__end_;}
+    size_type max_size() const;
     void reserve(size_type __n);
-    void shrink_to_fit() _NOEXCEPT;
+    void shrink_to_fit();
 
     _LIBCPP_INLINE_VISIBILITY reference       operator[](size_type __n);
     _LIBCPP_INLINE_VISIBILITY const_reference operator[](size_type __n) const;
@@ -640,11 +564,9 @@ public:
     _LIBCPP_INLINE_VISIBILITY reference       back()        {return *(this->__end_ - 1);}
     _LIBCPP_INLINE_VISIBILITY const_reference back()  const {return *(this->__end_ - 1);}
 
-    _LIBCPP_INLINE_VISIBILITY
-    value_type*       data() _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY value_type*       data()
         {return _STD::__to_raw_pointer(this->__begin_);}
-    _LIBCPP_INLINE_VISIBILITY
-    const value_type* data() const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY const value_type* data() const
         {return _STD::__to_raw_pointer(this->__begin_);}
 
     _LIBCPP_INLINE_VISIBILITY void push_back(const_reference __x);
@@ -688,23 +610,19 @@ public:
     _LIBCPP_INLINE_VISIBILITY iterator erase(const_iterator __position);
     iterator erase(const_iterator __first, const_iterator __last);
 
-    _LIBCPP_INLINE_VISIBILITY
-    void clear() _NOEXCEPT
-        {__base::clear();}
+    _LIBCPP_INLINE_VISIBILITY void clear() {__base::clear();}
 
     void resize(size_type __sz);
     void resize(size_type __sz, const_reference __x);
 
-    void swap(vector&)
-        _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<allocator_type>::value);
+    void swap(vector&);
 
     bool __invariants() const;
 
 private:
     _LIBCPP_INLINE_VISIBILITY void __invalidate_all_iterators();
     void allocate(size_type __n);
-    void deallocate() _NOEXCEPT;
+    void deallocate();
     _LIBCPP_INLINE_VISIBILITY size_type __recommend(size_type __new_size) const;
     void __construct_at_end(size_type __n);
     void __construct_at_end(size_type __n, const_reference __x);
@@ -719,14 +637,13 @@ private:
     void __append(size_type __n);
     void __append(size_type __n, const_reference __x);
     _LIBCPP_INLINE_VISIBILITY
-    iterator       __make_iter(pointer __p) _NOEXCEPT;
+    iterator       __make_iter(pointer __p);
     _LIBCPP_INLINE_VISIBILITY
-    const_iterator __make_iter(const_pointer __p) const _NOEXCEPT;
+    const_iterator __make_iter(const_pointer __p) const;
     void __swap_out_circular_buffer(__split_buffer<value_type, allocator_type&>& __v);
     pointer __swap_out_circular_buffer(__split_buffer<value_type, allocator_type&>& __v, pointer __p);
     void __move_range(pointer __from_s, pointer __from_e, pointer __to);
-    void __move_assign(vector& __c, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value);
+    void __move_assign(vector& __c, true_type);
     void __move_assign(vector& __c, false_type);
 };
 
@@ -735,7 +652,7 @@ void
 vector<_Tp, _Allocator>::__swap_out_circular_buffer(__split_buffer<value_type, allocator_type&>& __v)
 {
     for (pointer __p = this->__end_; this->__begin_ < __p;)
-        __v.push_front(_STD::move_if_noexcept(*--__p));
+        __v.push_front(_STD::move(*--__p));
     _STD::swap(this->__begin_, __v.__begin_);
     _STD::swap(this->__end_, __v.__end_);
     _STD::swap(this->__end_cap(), __v.__end_cap());
@@ -749,9 +666,9 @@ vector<_Tp, _Allocator>::__swap_out_circular_buffer(__split_buffer<value_type, a
 {
     pointer __r = __v.__begin_;
     for (pointer __i = __p; this->__begin_ < __i;)
-        __v.push_front(_STD::move_if_noexcept(*--__i));
+        __v.push_front(_STD::move(*--__i));
     for (pointer __i = __p; __i < this->__end_; ++__i)
-        __v.push_back(_STD::move_if_noexcept(*__i));
+        __v.push_back(_STD::move(*__i));
     _STD::swap(this->__begin_, __v.__begin_);
     _STD::swap(this->__end_, __v.__end_);
     _STD::swap(this->__end_cap(), __v.__end_cap());
@@ -779,7 +696,7 @@ vector<_Tp, _Allocator>::allocate(size_type __n)
 
 template <class _Tp, class _Allocator>
 void
-vector<_Tp, _Allocator>::deallocate() _NOEXCEPT
+vector<_Tp, _Allocator>::deallocate()
 {
     if (this->__begin_ != 0)
     {
@@ -792,7 +709,7 @@ vector<_Tp, _Allocator>::deallocate() _NOEXCEPT
 
 template <class _Tp, class _Allocator>
 typename vector<_Tp, _Allocator>::size_type
-vector<_Tp, _Allocator>::max_size() const _NOEXCEPT
+vector<_Tp, _Allocator>::max_size() const
 {
     return _STD::min(__alloc_traits::max_size(this->__alloc()), numeric_limits<size_type>::max() / 2);  // end() >= begin(), always
 }
@@ -883,7 +800,7 @@ vector<_Tp, _Allocator>::__move_construct_at_end(pointer __first, pointer __last
 //  Default constructs __n objects starting at __end_
 //  throws if construction throws
 //  Postcondition:  size() == size() + __n
-//  Exception safety: strong.
+//  Exception safety: strong but assumes move ctor doesn't throw (copy ctor can)
 template <class _Tp, class _Allocator>
 void
 vector<_Tp, _Allocator>::__append(size_type __n)
@@ -902,7 +819,7 @@ vector<_Tp, _Allocator>::__append(size_type __n)
 //  Default constructs __n objects starting at __end_
 //  throws if construction throws
 //  Postcondition:  size() == size() + __n
-//  Exception safety: strong.
+//  Exception safety: strong but assumes move ctor doesn't throw (copy ctor can)
 template <class _Tp, class _Allocator>
 void
 vector<_Tp, _Allocator>::__append(size_type __n, const_reference __x)
@@ -1026,7 +943,6 @@ vector<_Tp, _Allocator>::vector(const vector& __x, const allocator_type& __a)
 template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 vector<_Tp, _Allocator>::vector(vector&& __x)
-        _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value)
     : __base(_STD::move(__x.__alloc()))
 {
     this->__begin_ = __x.__begin_;
@@ -1083,9 +999,6 @@ template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 vector<_Tp, _Allocator>&
 vector<_Tp, _Allocator>::operator=(vector&& __x)
-        _NOEXCEPT_(
-             __alloc_traits::propagate_on_container_move_assignment::value &&
-             is_nothrow_move_assignable<allocator_type>::value)
 {
     __move_assign(__x, integral_constant<bool,
           __alloc_traits::propagate_on_container_move_assignment::value>());
@@ -1108,7 +1021,6 @@ vector<_Tp, _Allocator>::__move_assign(vector& __c, false_type)
 template <class _Tp, class _Allocator>
 void
 vector<_Tp, _Allocator>::__move_assign(vector& __c, true_type)
-    _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value)
 {
     deallocate();
     this->__begin_ = __c.__begin_;
@@ -1206,7 +1118,7 @@ vector<_Tp, _Allocator>::assign(size_type __n, const_reference __u)
 template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::__make_iter(pointer __p) _NOEXCEPT
+vector<_Tp, _Allocator>::__make_iter(pointer __p)
 {
 #ifdef _LIBCPP_DEBUG
     return iterator(this, __p);
@@ -1218,7 +1130,7 @@ vector<_Tp, _Allocator>::__make_iter(pointer __p) _NOEXCEPT
 template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 typename vector<_Tp, _Allocator>::const_iterator
-vector<_Tp, _Allocator>::__make_iter(const_pointer __p) const _NOEXCEPT
+vector<_Tp, _Allocator>::__make_iter(const_pointer __p) const
 {
 #ifdef _LIBCPP_DEBUG
     return const_iterator(this, __p);
@@ -1230,7 +1142,7 @@ vector<_Tp, _Allocator>::__make_iter(const_pointer __p) const _NOEXCEPT
 template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::begin() _NOEXCEPT
+vector<_Tp, _Allocator>::begin()
 {
     return __make_iter(this->__begin_);
 }
@@ -1238,7 +1150,7 @@ vector<_Tp, _Allocator>::begin() _NOEXCEPT
 template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 typename vector<_Tp, _Allocator>::const_iterator
-vector<_Tp, _Allocator>::begin() const _NOEXCEPT
+vector<_Tp, _Allocator>::begin() const
 {
     return __make_iter(this->__begin_);
 }
@@ -1246,7 +1158,7 @@ vector<_Tp, _Allocator>::begin() const _NOEXCEPT
 template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 typename vector<_Tp, _Allocator>::iterator
-vector<_Tp, _Allocator>::end() _NOEXCEPT
+vector<_Tp, _Allocator>::end()
 {
     return __make_iter(this->__end_);
 }
@@ -1254,7 +1166,7 @@ vector<_Tp, _Allocator>::end() _NOEXCEPT
 template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 typename vector<_Tp, _Allocator>::const_iterator
-vector<_Tp, _Allocator>::end() const _NOEXCEPT
+vector<_Tp, _Allocator>::end() const
 {
     return __make_iter(this->__end_);
 }
@@ -1306,14 +1218,17 @@ vector<_Tp, _Allocator>::reserve(size_type __n)
     if (__n > capacity())
     {
         allocator_type& __a = this->__alloc();
-        __split_buffer<value_type, allocator_type&> __v(__n, size(), __a);
+        __split_buffer<value_type, allocator_type&> __v(__n, 0, __a);
+        __v.__construct_at_end(move_iterator<pointer>(this->__begin_),
+                               move_iterator<pointer>(this->__end_));
+        clear();
         __swap_out_circular_buffer(__v);
     }
 }
 
 template <class _Tp, class _Allocator>
 void
-vector<_Tp, _Allocator>::shrink_to_fit() _NOEXCEPT
+vector<_Tp, _Allocator>::shrink_to_fit()
 {
     if (capacity() > size())
     {
@@ -1322,7 +1237,10 @@ vector<_Tp, _Allocator>::shrink_to_fit() _NOEXCEPT
         {
 #endif  // _LIBCPP_NO_EXCEPTIONS
             allocator_type& __a = this->__alloc();
-            __split_buffer<value_type, allocator_type&> __v(size(), size(), __a);
+            __split_buffer<value_type, allocator_type&> __v(size(), 0, __a);
+            __v.__construct_at_end(move_iterator<pointer>(this->__begin_),
+                                   move_iterator<pointer>(this->__end_));
+            clear();
             __swap_out_circular_buffer(__v);
 #ifndef _LIBCPP_NO_EXCEPTIONS
         }
@@ -1695,8 +1613,6 @@ vector<_Tp, _Allocator>::resize(size_type __sz, const_reference __x)
 template <class _Tp, class _Allocator>
 void
 vector<_Tp, _Allocator>::swap(vector& __x)
-        _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<allocator_type>::value)
 {
     _STD::swap(this->__begin_, __x.__begin_);
     _STD::swap(this->__end_, __x.__end_);
@@ -1798,32 +1714,20 @@ private:
     size_type                                              __size_;
     __compressed_pair<size_type, __storage_allocator> __cap_alloc_;
 
-    _LIBCPP_INLINE_VISIBILITY
-    size_type& __cap() _NOEXCEPT
-        {return __cap_alloc_.first();}
-    _LIBCPP_INLINE_VISIBILITY
-    const size_type& __cap() const _NOEXCEPT
-        {return __cap_alloc_.first();}
-    _LIBCPP_INLINE_VISIBILITY
-    __storage_allocator& __alloc() _NOEXCEPT
-        {return __cap_alloc_.second();}
-    _LIBCPP_INLINE_VISIBILITY
-    const __storage_allocator& __alloc() const _NOEXCEPT
-        {return __cap_alloc_.second();}
+    _LIBCPP_INLINE_VISIBILITY       size_type&           __cap()         {return __cap_alloc_.first();}
+    _LIBCPP_INLINE_VISIBILITY const size_type&           __cap()   const {return __cap_alloc_.first();}
+    _LIBCPP_INLINE_VISIBILITY       __storage_allocator& __alloc()       {return __cap_alloc_.second();}
+    _LIBCPP_INLINE_VISIBILITY const __storage_allocator& __alloc() const {return __cap_alloc_.second();}
 
     static const unsigned __bits_per_word = static_cast<unsigned>(sizeof(__storage_type) * CHAR_BIT);
 
-    _LIBCPP_INLINE_VISIBILITY
-    static size_type __internal_cap_to_external(size_type __n) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY static size_type __internal_cap_to_external(size_type __n)
         {return __n * __bits_per_word;}
-    _LIBCPP_INLINE_VISIBILITY
-    static size_type __external_cap_to_internal(size_type __n) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY static size_type __external_cap_to_internal(size_type __n)
         {return (__n - 1) / __bits_per_word + 1;}
 
 public:
-    _LIBCPP_INLINE_VISIBILITY
-    vector()
-        _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value);
+    _LIBCPP_INLINE_VISIBILITY vector();
     _LIBCPP_INLINE_VISIBILITY explicit vector(const allocator_type& __a);
     ~vector();
     explicit vector(size_type __n);
@@ -1851,15 +1755,9 @@ public:
     vector(initializer_list<value_type> __il, const allocator_type& __a);
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
-    _LIBCPP_INLINE_VISIBILITY
-    vector(vector&& __v)
-        _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value);
+    _LIBCPP_INLINE_VISIBILITY vector(vector&& __v);
     vector(vector&& __v, const allocator_type& __a);
-    _LIBCPP_INLINE_VISIBILITY
-    vector& operator=(vector&& __v)
-        _NOEXCEPT_(
-             __alloc_traits::propagate_on_container_move_assignment::value &&
-             is_nothrow_move_assignable<allocator_type>::value);
+    _LIBCPP_INLINE_VISIBILITY vector& operator=(vector&& __v);
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
     _LIBCPP_INLINE_VISIBILITY
     vector& operator=(initializer_list<value_type> __il)
@@ -1886,60 +1784,30 @@ public:
     void assign(initializer_list<value_type> __il)
         {assign(__il.begin(), __il.end());}
 
-    _LIBCPP_INLINE_VISIBILITY allocator_type get_allocator() const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY allocator_type get_allocator() const
         {return allocator_type(this->__alloc());}
 
-    size_type max_size() const _NOEXCEPT;
-    _LIBCPP_INLINE_VISIBILITY
-    size_type capacity() const _NOEXCEPT
-        {return __internal_cap_to_external(__cap());}
-    _LIBCPP_INLINE_VISIBILITY
-    size_type size() const _NOEXCEPT
-        {return __size_;}
-    _LIBCPP_INLINE_VISIBILITY
-    bool empty() const _NOEXCEPT
-        {return __size_ == 0;}
+    size_type max_size() const;
+    _LIBCPP_INLINE_VISIBILITY size_type capacity() const {return __internal_cap_to_external(__cap());}
+    _LIBCPP_INLINE_VISIBILITY size_type size() const {return __size_;}
+    _LIBCPP_INLINE_VISIBILITY bool empty() const {return __size_ == 0;}
     void reserve(size_type __n);
-    void shrink_to_fit() _NOEXCEPT;
+    void shrink_to_fit();
 
-    _LIBCPP_INLINE_VISIBILITY
-    iterator begin() _NOEXCEPT
-        {return __make_iter(0);}
-    _LIBCPP_INLINE_VISIBILITY
-    const_iterator begin() const _NOEXCEPT
-        {return __make_iter(0);}
-    _LIBCPP_INLINE_VISIBILITY
-    iterator end() _NOEXCEPT
-        {return __make_iter(__size_);}
-    _LIBCPP_INLINE_VISIBILITY
-    const_iterator end()   const _NOEXCEPT
-        {return __make_iter(__size_);}
+    _LIBCPP_INLINE_VISIBILITY       iterator begin()       {return __make_iter(0);}
+    _LIBCPP_INLINE_VISIBILITY const_iterator begin() const {return __make_iter(0);}
+    _LIBCPP_INLINE_VISIBILITY       iterator end()         {return __make_iter(__size_);}
+    _LIBCPP_INLINE_VISIBILITY const_iterator end()   const {return __make_iter(__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 __make_iter(0);}
-    _LIBCPP_INLINE_VISIBILITY
-    const_iterator         cend()    const _NOEXCEPT
-        {return __make_iter(__size_);}
-    _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 __make_iter(0);}
+    _LIBCPP_INLINE_VISIBILITY const_iterator         cend()    const {return __make_iter(__size_);}
+    _LIBCPP_INLINE_VISIBILITY const_reverse_iterator crbegin() const {return rbegin();}
+    _LIBCPP_INLINE_VISIBILITY const_reverse_iterator crend()   const {return rend();}
 
     _LIBCPP_INLINE_VISIBILITY reference       operator[](size_type __n)       {return __make_ref(__n);}
     _LIBCPP_INLINE_VISIBILITY const_reference operator[](size_type __n) const {return __make_ref(__n);}
@@ -1979,24 +1847,20 @@ public:
     _LIBCPP_INLINE_VISIBILITY iterator erase(const_iterator __position);
     iterator erase(const_iterator __first, const_iterator __last);
 
-    _LIBCPP_INLINE_VISIBILITY
-    void clear() _NOEXCEPT {__size_ = 0;}
+    _LIBCPP_INLINE_VISIBILITY void clear() {__size_ = 0;}
 
-    void swap(vector&)
-        _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<allocator_type>::value);
+    void swap(vector&);
 
     void resize(size_type __sz, value_type __x = false);
-    void flip() _NOEXCEPT;
+    void flip();
 
     bool __invariants() const;
 
 private:
     _LIBCPP_INLINE_VISIBILITY void __invalidate_all_iterators();
     void allocate(size_type __n);
-    void deallocate() _NOEXCEPT;
-    _LIBCPP_INLINE_VISIBILITY
-    static size_type __align(size_type __new_size) _NOEXCEPT
+    void deallocate();
+    _LIBCPP_INLINE_VISIBILITY static size_type __align(size_type __new_size)
         {return __new_size + (__bits_per_word-1) & ~(__bits_per_word-1);};
     _LIBCPP_INLINE_VISIBILITY  size_type __recommend(size_type __new_size) const;
     _LIBCPP_INLINE_VISIBILITY void __construct_at_end(size_type __n, bool __x);
@@ -2008,11 +1872,9 @@ private:
         >::type
         __construct_at_end(_ForwardIterator __first, _ForwardIterator __last);
     void __append(size_type __n, const_reference __x);
-    _LIBCPP_INLINE_VISIBILITY
-    reference __make_ref(size_type __pos) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY reference __make_ref(size_type __pos)
         {return reference(__begin_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word);}
-    _LIBCPP_INLINE_VISIBILITY
-    const_reference __make_ref(size_type __pos) const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY const_reference __make_ref(size_type __pos) const
         {return const_reference(__begin_ + __pos / __bits_per_word, __storage_type(1) << __pos % __bits_per_word);}
 #ifdef _LIBCPP_DEBUG
     _LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_type __pos)
@@ -2022,14 +1884,11 @@ private:
     _LIBCPP_INLINE_VISIBILITY iterator __const_iterator_cast(const_iterator __p)
         {return iterator(this, pointer(const_cast<__storage_pointer>(__p.base().__seg_), __p.base().__ctz_));}
 #else  // _LIBCPP_DEBUG
-    _LIBCPP_INLINE_VISIBILITY
-    iterator __make_iter(size_type __pos) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY iterator __make_iter(size_type __pos)
         {return iterator(__begin_ + __pos / __bits_per_word, static_cast<unsigned>(__pos % __bits_per_word));}
-    _LIBCPP_INLINE_VISIBILITY
-    const_iterator __make_iter(size_type __pos) const _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY const_iterator __make_iter(size_type __pos) const
         {return const_iterator(__begin_ + __pos / __bits_per_word, static_cast<unsigned>(__pos % __bits_per_word));}
-    _LIBCPP_INLINE_VISIBILITY
-    iterator __const_iterator_cast(const_iterator __p) _NOEXCEPT
+    _LIBCPP_INLINE_VISIBILITY iterator __const_iterator_cast(const_iterator __p)
         {return iterator(const_cast<__storage_pointer>(__p.__seg_), __p.__ctz_);}
 #endif  // _LIBCPP_DEBUG
 
@@ -2050,48 +1909,37 @@ private:
         {}
 
     void __move_assign(vector& __c, false_type);
-    void __move_assign(vector& __c, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value);
+    void __move_assign(vector& __c, true_type);
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(vector& __c)
-        _NOEXCEPT_(
-            !__storage_traits::propagate_on_container_move_assignment::value ||
-            is_nothrow_move_assignable<allocator_type>::value)
         {__move_assign_alloc(__c, integral_constant<bool,
                       __storage_traits::propagate_on_container_move_assignment::value>());}
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(const vector& __c, true_type)
-        _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value)
         {
             __alloc() = _STD::move(__c.__alloc());
         }
 
     _LIBCPP_INLINE_VISIBILITY
     void __move_assign_alloc(const vector& __c, false_type)
-        _NOEXCEPT
         {}
 
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__storage_allocator& __x, __storage_allocator& __y)
-        _NOEXCEPT_(
-            !__storage_traits::propagate_on_container_swap::value ||
-            __is_nothrow_swappable<allocator_type>::value)
         {__swap_alloc(__x, __y, integral_constant<bool,
                       __storage_traits::propagate_on_container_swap::value>());}
 
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__storage_allocator& __x, __storage_allocator& __y, true_type)
-        _NOEXCEPT_(__is_nothrow_swappable<allocator_type>::value)
         {
             using _STD::swap;
             swap(__x, __y);
         }
     _LIBCPP_INLINE_VISIBILITY
     static void __swap_alloc(__storage_allocator& __x, __storage_allocator& __y, false_type)
-        _NOEXCEPT
         {}
 
-    size_t __hash_code() const _NOEXCEPT;
+    size_t __hash_code() const;
 
     friend class __bit_reference<vector>;
     friend class __bit_const_reference<vector>;
@@ -2135,7 +1983,7 @@ vector<bool, _Allocator>::allocate(size_type __n)
 
 template <class _Allocator>
 void
-vector<bool, _Allocator>::deallocate() _NOEXCEPT
+vector<bool, _Allocator>::deallocate()
 {
     if (this->__begin_ != 0)
     {
@@ -2148,7 +1996,7 @@ vector<bool, _Allocator>::deallocate() _NOEXCEPT
 
 template <class _Allocator>
 typename vector<bool, _Allocator>::size_type
-vector<bool, _Allocator>::max_size() const _NOEXCEPT
+vector<bool, _Allocator>::max_size() const
 {
     size_type __amax = __storage_traits::max_size(__alloc());
     size_type __nmax = numeric_limits<size_type>::max() / 2;  // end() >= begin(), always
@@ -2203,7 +2051,6 @@ vector<bool, _Allocator>::__construct_at_end(_ForwardIterator __first, _ForwardI
 template <class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 vector<bool, _Allocator>::vector()
-        _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value)
     : __begin_(0),
       __size_(0),
       __cap_alloc_(0)
@@ -2434,7 +2281,6 @@ vector<bool, _Allocator>::operator=(const vector& __v)
 template <class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 vector<bool, _Allocator>::vector(vector&& __v)
-        _NOEXCEPT_(is_nothrow_move_constructible<allocator_type>::value)
     : __begin_(__v.__begin_),
       __size_(__v.__size_),
       __cap_alloc_(__v.__cap_alloc_)
@@ -2469,9 +2315,6 @@ template <class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 vector<bool, _Allocator>&
 vector<bool, _Allocator>::operator=(vector&& __v)
-        _NOEXCEPT_(
-             __alloc_traits::propagate_on_container_move_assignment::value &&
-             is_nothrow_move_assignable<allocator_type>::value)
 {
     __move_assign(__v, integral_constant<bool,
           __storage_traits::propagate_on_container_move_assignment::value>());
@@ -2490,7 +2333,6 @@ vector<bool, _Allocator>::__move_assign(vector& __c, false_type)
 template <class _Allocator>
 void
 vector<bool, _Allocator>::__move_assign(vector& __c, true_type)
-    _NOEXCEPT_(is_nothrow_move_assignable<allocator_type>::value)
 {
     deallocate();
     this->__begin_ = __c.__begin_;
@@ -2577,7 +2419,7 @@ vector<bool, _Allocator>::reserve(size_type __n)
 
 template <class _Allocator>
 void
-vector<bool, _Allocator>::shrink_to_fit() _NOEXCEPT
+vector<bool, _Allocator>::shrink_to_fit()
 {
     if (__external_cap_to_internal(size()) > __cap())
     {
@@ -2776,8 +2618,6 @@ vector<bool, _Allocator>::erase(const_iterator __first, const_iterator __last)
 template <class _Allocator>
 void
 vector<bool, _Allocator>::swap(vector& __x)
-        _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value ||
-                   __is_nothrow_swappable<allocator_type>::value)
 {
     _STD::swap(this->__begin_, __x.__begin_);
     _STD::swap(this->__size_, __x.__size_);
@@ -2820,7 +2660,7 @@ vector<bool, _Allocator>::resize(size_type __sz, value_type __x)
 
 template <class _Allocator>
 void
-vector<bool, _Allocator>::flip() _NOEXCEPT
+vector<bool, _Allocator>::flip()
 {
     // do middle whole words
     size_type __n = __size_;
@@ -2858,7 +2698,7 @@ vector<bool, _Allocator>::__invariants() const
 
 template <class _Allocator>
 size_t
-vector<bool, _Allocator>::__hash_code() const _NOEXCEPT
+vector<bool, _Allocator>::__hash_code() const
 {
     size_t __h = 0;
     // do middle whole words
@@ -2880,7 +2720,7 @@ struct _LIBCPP_VISIBLE hash<vector<bool, _Allocator> >
     : public unary_function<vector<bool, _Allocator>, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
-    size_t operator()(const vector<bool, _Allocator>& __vec) const _NOEXCEPT
+    size_t operator()(const vector<bool, _Allocator>& __vec) const
         {return __vec.__hash_code();}
 };
 
@@ -2937,7 +2777,6 @@ template <class _Tp, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 void
 swap(vector<_Tp, _Allocator>& __x, vector<_Tp, _Allocator>& __y)
-    _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
 {
     __x.swap(__y);
 }

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";
 }
@@ -60,7 +60,7 @@ future_error::future_error(error_code __ec)
 }
 
 void
-__assoc_sub_state::__on_zero_shared() _NOEXCEPT
+__assoc_sub_state::__on_zero_shared()
 {
     delete this;
 }

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";
 }

src/locale.cpp

@@ -399,25 +399,25 @@ locale::__global()
     return g;
 }
 
-locale::locale()  _NOEXCEPT
+locale::locale() throw()
     : __locale_(__global().__locale_)
 {
     __locale_->__add_shared();
 }
 
-locale::locale(const locale& l)  _NOEXCEPT
+locale::locale(const locale& l) throw()
     : __locale_(l.__locale_)
 {
     __locale_->__add_shared();
 }
 
-locale::~locale()
+locale::~locale() throw()
 {
     __locale_->__release_shared();
 }
 
 const locale&
-locale::operator=(const locale& other)  _NOEXCEPT
+locale::operator=(const locale& other) throw()
 {
     other.__locale_->__add_shared();
     __locale_->__release_shared();
@@ -518,7 +518,7 @@ locale::facet::~facet()
 }
 
 void
-locale::facet::__on_zero_shared() _NOEXCEPT
+locale::facet::__on_zero_shared()
 {
     delete this;
 }
@@ -895,7 +895,7 @@ ctype<char>::do_narrow(const char_type* low, const char_type* high, char dfault,
 }
 
 const ctype<char>::mask*
-ctype<char>::classic_table()  _NOEXCEPT
+ctype<char>::classic_table() throw()
 {
 #ifdef __APPLE__
     return _DefaultRuneLocale.__runetype;
@@ -1164,13 +1164,13 @@ codecvt<char, char, mbstate_t>::do_unshift(state_type&,
 }
 
 int
-codecvt<char, char, mbstate_t>::do_encoding() const  _NOEXCEPT
+codecvt<char, char, mbstate_t>::do_encoding() const throw()
 {
     return 1;
 }
 
 bool
-codecvt<char, char, mbstate_t>::do_always_noconv() const  _NOEXCEPT
+codecvt<char, char, mbstate_t>::do_always_noconv() const throw()
 {
     return true;
 }
@@ -1183,7 +1183,7 @@ codecvt<char, char, mbstate_t>::do_length(state_type&,
 }
 
 int
-codecvt<char, char, mbstate_t>::do_max_length() const  _NOEXCEPT
+codecvt<char, char, mbstate_t>::do_max_length() const throw()
 {
     return 1;
 }
@@ -1365,7 +1365,7 @@ codecvt<wchar_t, char, mbstate_t>::do_unshift(state_type& st,
 }
 
 int
-codecvt<wchar_t, char, mbstate_t>::do_encoding() const  _NOEXCEPT
+codecvt<wchar_t, char, mbstate_t>::do_encoding() const throw()
 {
 #ifdef __APPLE__
     if (mbtowc_l(0, 0, MB_LEN_MAX, __l) == 0)
@@ -1382,7 +1382,7 @@ codecvt<wchar_t, char, mbstate_t>::do_encoding() const  _NOEXCEPT
 }
 
 bool
-codecvt<wchar_t, char, mbstate_t>::do_always_noconv() const  _NOEXCEPT
+codecvt<wchar_t, char, mbstate_t>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -1418,7 +1418,7 @@ codecvt<wchar_t, char, mbstate_t>::do_length(state_type& st,
 }
 
 int
-codecvt<wchar_t, char, mbstate_t>::do_max_length() const  _NOEXCEPT
+codecvt<wchar_t, char, mbstate_t>::do_max_length() const throw()
 {
 #ifdef __APPLE__
     return __l == 0 ? 1 : MB_CUR_MAX_L(__l);
@@ -2875,13 +2875,13 @@ codecvt<char16_t, char, mbstate_t>::do_unshift(state_type&,
 }
 
 int
-codecvt<char16_t, char, mbstate_t>::do_encoding() const  _NOEXCEPT
+codecvt<char16_t, char, mbstate_t>::do_encoding() const throw()
 {
     return 0;
 }
 
 bool
-codecvt<char16_t, char, mbstate_t>::do_always_noconv() const  _NOEXCEPT
+codecvt<char16_t, char, mbstate_t>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -2896,7 +2896,7 @@ codecvt<char16_t, char, mbstate_t>::do_length(state_type&,
 }
 
 int
-codecvt<char16_t, char, mbstate_t>::do_max_length() const  _NOEXCEPT
+codecvt<char16_t, char, mbstate_t>::do_max_length() const throw()
 {
     return 4;
 }
@@ -2952,13 +2952,13 @@ codecvt<char32_t, char, mbstate_t>::do_unshift(state_type&,
 }
 
 int
-codecvt<char32_t, char, mbstate_t>::do_encoding() const  _NOEXCEPT
+codecvt<char32_t, char, mbstate_t>::do_encoding() const throw()
 {
     return 0;
 }
 
 bool
-codecvt<char32_t, char, mbstate_t>::do_always_noconv() const  _NOEXCEPT
+codecvt<char32_t, char, mbstate_t>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -2973,7 +2973,7 @@ codecvt<char32_t, char, mbstate_t>::do_length(state_type&,
 }
 
 int
-codecvt<char32_t, char, mbstate_t>::do_max_length() const  _NOEXCEPT
+codecvt<char32_t, char, mbstate_t>::do_max_length() const throw()
 {
     return 4;
 }
@@ -3025,13 +3025,13 @@ __codecvt_utf8<wchar_t>::do_unshift(state_type&,
 }
 
 int
-__codecvt_utf8<wchar_t>::do_encoding() const  _NOEXCEPT
+__codecvt_utf8<wchar_t>::do_encoding() const throw()
 {
     return 0;
 }
 
 bool
-__codecvt_utf8<wchar_t>::do_always_noconv() const  _NOEXCEPT
+__codecvt_utf8<wchar_t>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -3046,7 +3046,7 @@ __codecvt_utf8<wchar_t>::do_length(state_type&,
 }
 
 int
-__codecvt_utf8<wchar_t>::do_max_length() const  _NOEXCEPT
+__codecvt_utf8<wchar_t>::do_max_length() const throw()
 {
     if (_Mode_ & consume_header)
         return 7;
@@ -3100,13 +3100,13 @@ __codecvt_utf8<char16_t>::do_unshift(state_type&,
 }
 
 int
-__codecvt_utf8<char16_t>::do_encoding() const  _NOEXCEPT
+__codecvt_utf8<char16_t>::do_encoding() const throw()
 {
     return 0;
 }
 
 bool
-__codecvt_utf8<char16_t>::do_always_noconv() const  _NOEXCEPT
+__codecvt_utf8<char16_t>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -3121,7 +3121,7 @@ __codecvt_utf8<char16_t>::do_length(state_type&,
 }
 
 int
-__codecvt_utf8<char16_t>::do_max_length() const  _NOEXCEPT
+__codecvt_utf8<char16_t>::do_max_length() const throw()
 {
     if (_Mode_ & consume_header)
         return 6;
@@ -3175,13 +3175,13 @@ __codecvt_utf8<char32_t>::do_unshift(state_type&,
 }
 
 int
-__codecvt_utf8<char32_t>::do_encoding() const  _NOEXCEPT
+__codecvt_utf8<char32_t>::do_encoding() const throw()
 {
     return 0;
 }
 
 bool
-__codecvt_utf8<char32_t>::do_always_noconv() const  _NOEXCEPT
+__codecvt_utf8<char32_t>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -3196,7 +3196,7 @@ __codecvt_utf8<char32_t>::do_length(state_type&,
 }
 
 int
-__codecvt_utf8<char32_t>::do_max_length() const  _NOEXCEPT
+__codecvt_utf8<char32_t>::do_max_length() const throw()
 {
     if (_Mode_ & consume_header)
         return 7;
@@ -3250,13 +3250,13 @@ __codecvt_utf16<wchar_t, false>::do_unshift(state_type&,
 }
 
 int
-__codecvt_utf16<wchar_t, false>::do_encoding() const  _NOEXCEPT
+__codecvt_utf16<wchar_t, false>::do_encoding() const throw()
 {
     return 0;
 }
 
 bool
-__codecvt_utf16<wchar_t, false>::do_always_noconv() const  _NOEXCEPT
+__codecvt_utf16<wchar_t, false>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -3271,7 +3271,7 @@ __codecvt_utf16<wchar_t, false>::do_length(state_type&,
 }
 
 int
-__codecvt_utf16<wchar_t, false>::do_max_length() const  _NOEXCEPT
+__codecvt_utf16<wchar_t, false>::do_max_length() const throw()
 {
     if (_Mode_ & consume_header)
         return 6;
@@ -3325,13 +3325,13 @@ __codecvt_utf16<wchar_t, true>::do_unshift(state_type&,
 }
 
 int
-__codecvt_utf16<wchar_t, true>::do_encoding() const  _NOEXCEPT
+__codecvt_utf16<wchar_t, true>::do_encoding() const throw()
 {
     return 0;
 }
 
 bool
-__codecvt_utf16<wchar_t, true>::do_always_noconv() const  _NOEXCEPT
+__codecvt_utf16<wchar_t, true>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -3346,7 +3346,7 @@ __codecvt_utf16<wchar_t, true>::do_length(state_type&,
 }
 
 int
-__codecvt_utf16<wchar_t, true>::do_max_length() const  _NOEXCEPT
+__codecvt_utf16<wchar_t, true>::do_max_length() const throw()
 {
     if (_Mode_ & consume_header)
         return 6;
@@ -3400,13 +3400,13 @@ __codecvt_utf16<char16_t, false>::do_unshift(state_type&,
 }
 
 int
-__codecvt_utf16<char16_t, false>::do_encoding() const  _NOEXCEPT
+__codecvt_utf16<char16_t, false>::do_encoding() const throw()
 {
     return 0;
 }
 
 bool
-__codecvt_utf16<char16_t, false>::do_always_noconv() const  _NOEXCEPT
+__codecvt_utf16<char16_t, false>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -3421,7 +3421,7 @@ __codecvt_utf16<char16_t, false>::do_length(state_type&,
 }
 
 int
-__codecvt_utf16<char16_t, false>::do_max_length() const  _NOEXCEPT
+__codecvt_utf16<char16_t, false>::do_max_length() const throw()
 {
     if (_Mode_ & consume_header)
         return 4;
@@ -3475,13 +3475,13 @@ __codecvt_utf16<char16_t, true>::do_unshift(state_type&,
 }
 
 int
-__codecvt_utf16<char16_t, true>::do_encoding() const  _NOEXCEPT
+__codecvt_utf16<char16_t, true>::do_encoding() const throw()
 {
     return 0;
 }
 
 bool
-__codecvt_utf16<char16_t, true>::do_always_noconv() const  _NOEXCEPT
+__codecvt_utf16<char16_t, true>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -3496,7 +3496,7 @@ __codecvt_utf16<char16_t, true>::do_length(state_type&,
 }
 
 int
-__codecvt_utf16<char16_t, true>::do_max_length() const  _NOEXCEPT
+__codecvt_utf16<char16_t, true>::do_max_length() const throw()
 {
     if (_Mode_ & consume_header)
         return 4;
@@ -3550,13 +3550,13 @@ __codecvt_utf16<char32_t, false>::do_unshift(state_type&,
 }
 
 int
-__codecvt_utf16<char32_t, false>::do_encoding() const  _NOEXCEPT
+__codecvt_utf16<char32_t, false>::do_encoding() const throw()
 {
     return 0;
 }
 
 bool
-__codecvt_utf16<char32_t, false>::do_always_noconv() const  _NOEXCEPT
+__codecvt_utf16<char32_t, false>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -3571,7 +3571,7 @@ __codecvt_utf16<char32_t, false>::do_length(state_type&,
 }
 
 int
-__codecvt_utf16<char32_t, false>::do_max_length() const  _NOEXCEPT
+__codecvt_utf16<char32_t, false>::do_max_length() const throw()
 {
     if (_Mode_ & consume_header)
         return 6;
@@ -3625,13 +3625,13 @@ __codecvt_utf16<char32_t, true>::do_unshift(state_type&,
 }
 
 int
-__codecvt_utf16<char32_t, true>::do_encoding() const  _NOEXCEPT
+__codecvt_utf16<char32_t, true>::do_encoding() const throw()
 {
     return 0;
 }
 
 bool
-__codecvt_utf16<char32_t, true>::do_always_noconv() const  _NOEXCEPT
+__codecvt_utf16<char32_t, true>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -3646,7 +3646,7 @@ __codecvt_utf16<char32_t, true>::do_length(state_type&,
 }
 
 int
-__codecvt_utf16<char32_t, true>::do_max_length() const  _NOEXCEPT
+__codecvt_utf16<char32_t, true>::do_max_length() const throw()
 {
     if (_Mode_ & consume_header)
         return 6;
@@ -3700,13 +3700,13 @@ __codecvt_utf8_utf16<wchar_t>::do_unshift(state_type&,
 }
 
 int
-__codecvt_utf8_utf16<wchar_t>::do_encoding() const  _NOEXCEPT
+__codecvt_utf8_utf16<wchar_t>::do_encoding() const throw()
 {
     return 0;
 }
 
 bool
-__codecvt_utf8_utf16<wchar_t>::do_always_noconv() const  _NOEXCEPT
+__codecvt_utf8_utf16<wchar_t>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -3721,7 +3721,7 @@ __codecvt_utf8_utf16<wchar_t>::do_length(state_type&,
 }
 
 int
-__codecvt_utf8_utf16<wchar_t>::do_max_length() const  _NOEXCEPT
+__codecvt_utf8_utf16<wchar_t>::do_max_length() const throw()
 {
     if (_Mode_ & consume_header)
         return 7;
@@ -3775,13 +3775,13 @@ __codecvt_utf8_utf16<char16_t>::do_unshift(state_type&,
 }
 
 int
-__codecvt_utf8_utf16<char16_t>::do_encoding() const  _NOEXCEPT
+__codecvt_utf8_utf16<char16_t>::do_encoding() const throw()
 {
     return 0;
 }
 
 bool
-__codecvt_utf8_utf16<char16_t>::do_always_noconv() const  _NOEXCEPT
+__codecvt_utf8_utf16<char16_t>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -3796,7 +3796,7 @@ __codecvt_utf8_utf16<char16_t>::do_length(state_type&,
 }
 
 int
-__codecvt_utf8_utf16<char16_t>::do_max_length() const  _NOEXCEPT
+__codecvt_utf8_utf16<char16_t>::do_max_length() const throw()
 {
     if (_Mode_ & consume_header)
         return 7;
@@ -3850,13 +3850,13 @@ __codecvt_utf8_utf16<char32_t>::do_unshift(state_type&,
 }
 
 int
-__codecvt_utf8_utf16<char32_t>::do_encoding() const  _NOEXCEPT
+__codecvt_utf8_utf16<char32_t>::do_encoding() const throw()
 {
     return 0;
 }
 
 bool
-__codecvt_utf8_utf16<char32_t>::do_always_noconv() const  _NOEXCEPT
+__codecvt_utf8_utf16<char32_t>::do_always_noconv() const throw()
 {
     return false;
 }
@@ -3871,7 +3871,7 @@ __codecvt_utf8_utf16<char32_t>::do_length(state_type&,
 }
 
 int
-__codecvt_utf8_utf16<char32_t>::do_max_length() const  _NOEXCEPT
+__codecvt_utf8_utf16<char32_t>::do_max_length() const throw()
 {
     if (_Mode_ & consume_header)
         return 7;

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

@@ -27,7 +27,7 @@
 
 __attribute__((__weak__, __visibility__("default")))
 void *
-operator new(std::size_t size)
+operator new(std::size_t size) throw (std::bad_alloc)
 {
     if (size == 0)
         size = 1;
@@ -51,7 +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
@@ -70,14 +70,14 @@ operator new(size_t size, const std::nothrow_t&) _NOEXCEPT
 
 __attribute__((__weak__, __visibility__("default")))
 void*
-operator new[](size_t size)
+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
@@ -96,7 +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);
@@ -104,21 +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);
 }
@@ -129,41 +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/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/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;
@@ -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";
 }