Creating the libcxx release 3.3 branch.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/branches/release_33@181278 91177308-0d34-0410-b5e6-96231b3b80d8

.arcconfig

@@ -0,0 +1,4 @@
+{
+  "project_id" : "libcxx",
+  "conduit_uri" : "http://llvm-reviews.chandlerc.com/"
+}

CMakeLists.txt

@@ -39,6 +39,14 @@ option(LIBCXX_ENABLE_WERROR "Fail and stop if a warning is triggered." OFF)
 option(LIBCXX_ENABLE_CXX0X "Enable -std=c++0x and use of c++0x language features if the compiler supports it." ON)
 option(LIBCXX_ENABLE_SHARED "Build libc++ as a shared library." ON)
 
+set(CXXABIS none libcxxabi libcxxrt libsupc++)
+if (NOT DEFINED LIBCXX_CXX_ABI)
+  set(LIBCXX_CXX_ABI "none")
+endif()
+set(LIBCXX_CXX_ABI "${LIBCXX_CXX_ABI}" CACHE STRING
+    "Specify C++ ABI library to use." FORCE)
+set_property(CACHE LIBCXX_CXX_ABI PROPERTY STRINGS "";${CXXABIS})
+
 #===============================================================================
 # Configure System
 #===============================================================================
@@ -58,6 +66,91 @@ get_target_triple(LIBCXX_TARGET_TRIPLE
   )
 set(LIBCXX_TARGET_TRIPLE ${LIBCXX_TARGET_TRIPLE} CACHE STRING "Target triple.")
 
+#===============================================================================
+# Add an ABI library if appropriate
+#===============================================================================
+
+#
+# _setup_abi: Set up the build to use an ABI library
+#
+# Parameters:
+#   abidefines: A list of defines needed to compile libc++ with the ABI library
+#   abilibs   : A list of libraries to link against
+#   abifiles  : A list of files (which may be relative paths) to copy into the
+#               libc++ build tree for the build.  These files will also be
+#               installed alongside the libc++ headers.
+#   abidirs   : A list of relative paths to create under an include directory
+#               in the libc++ build directory.
+#
+macro(setup_abi_lib abipathvar abidefines abilibs abifiles abidirs)
+  list(APPEND LIBCXX_CXX_FEATURE_FLAGS ${abidefines})
+  set(${abipathvar} "${${abipathvar}}"
+    CACHE STRINGS
+    "Paths to ABI include directories separate by ';'."
+    )
+  set(LIBCXX_CXX_ABI_LIBRARIES ${abilibs})
+  set(LIBCXX_ABILIB_FILES ${abifiles})
+  file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/include")
+  foreach(_d ${abidirs})
+    file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/include/${_d}")
+  endforeach()
+  set(LIBCXX_ABILIB_FILE_PATHS)
+  foreach(fpath ${LIBCXX_ABILIB_FILES})
+    set(found FALSE)
+    foreach(incpath ${${abipathvar}})
+      if (EXISTS "${incpath}/${fpath}")
+        set(found TRUE)
+        get_filename_component(dstdir ${fpath} PATH)
+        get_filename_component(ifile ${fpath} NAME)
+        add_custom_command(
+          OUTPUT "${CMAKE_BINARY_DIR}/include/${dstdir}/${ifile}"
+          COMMAND ${CMAKE_COMMAND} -E copy_if_different
+            "${incpath}/${fpath}"
+            "${CMAKE_BINARY_DIR}/include/${dstdir}"
+          MAIN_DEPENDENCY "${incpath}/${fpath}"
+          )
+        list(APPEND LIBCXX_CXX_ABI_DEPS
+          "${CMAKE_BINARY_DIR}/include/${dstdir}/${ifile}"
+          )
+      endif()
+    endforeach()
+    if (NOT found)
+      message(FATAL_ERROR "Failed to find ${fpath}")
+    endif()
+  endforeach()
+  add_custom_target(abilib_headers DEPENDS ${LIBCXX_CXX_ABI_DEPS})
+  set(LIBCXX_CXX_ABI_DEPS abilib_headers)
+  include_directories("${CMAKE_BINARY_DIR}/include")
+  install(DIRECTORY "${CMAKE_BINARY_DIR}/include/"
+    DESTINATION include/c++/v1
+    FILES_MATCHING
+    PATTERN "*"
+    )
+endmacro()
+
+if ("${LIBCXX_CXX_ABI}" STREQUAL "libsupc++")
+  set(_LIBSUPCXX_INCLUDE_FILES
+    cxxabi.h bits/c++config.h bits/os_defines.h bits/cpu_defines.h
+    bits/cxxabi_tweaks.h bits/cxxabi_forced.h
+    )
+  setup_abi_lib("LIBCXX_LIBSUPCXX_INCLUDE_PATHS" "-D__GLIBCXX__"
+    "supc++" "${_LIBSUPCXX_INCLUDE_FILES}" "bits"
+    )
+elseif ("${LIBCXX_CXX_ABI}" STREQUAL "libcxxabi")
+  setup_abi_lib("LIBCXX_LIBCXXABI_INCLUDE_PATHS" ""
+    "c++abi" "cxxabi.h;cxa_demangle.h" ""
+    )
+elseif ("${LIBCXX_CXX_ABI}" STREQUAL "libcxxrt")
+  setup_abi_lib("LIBCXX_LIBCXXRT_INCLUDE_PATHS" "-DLIBCXXRT"
+    "cxxrt" "cxxabi.h;unwind.h;unwind-arm.h;unwind-itanium.h" ""
+    )
+elseif (NOT "${LIBCXX_CXX_ABI}" STREQUAL "none")
+  message(FATAL_ERROR
+    "Currently libsupc++, libcxxabi, libcxxrt and none are "
+    "supported for c++ abi."
+    )
+endif ()
+
 # Configure compiler.
 include(config-ix)
 
@@ -135,6 +228,10 @@ else()
     list(APPEND LIBCXX_CXX_FEATURE_FLAGS -DNDEBUG)
   endif()
 endif()
+# Static library
+if (NOT LIBCXX_ENABLE_SHARED)
+  list(APPEND LIBCXX_CXX_FEATURE_FLAGS -D_LIBCPP_BUILD_STATIC)
+endif()
 
 # This is the _ONLY_ place where add_definitions is called.
 add_definitions(

CREDITS.TXT

@@ -8,61 +8,10 @@ beautification by scripts.  The fields are: name (N), email (E), web-address
 (W), PGP key ID and fingerprint (P), description (D), and snail-mail address
 (S).
 
-N: Howard Hinnant
-E: hhinnant@apple.com
-D: Architect and primary author of libc++
-
-N: Marshall Clow
-E: mclow.lists@gmail.com
-E: marshall@idio.com
-D: Minor patches and bug fixes.
-
-N: Bjorn Reese
-E: breese@users.sourceforge.net
-D: Initial regex prototype
-
-N: David Chisnall
-E: theraven at theravensnest dot org
-D: FreeBSD and Solaris ports, libcxxrt support, some atomics work.
-
-N: Ruben Van Boxem
-E: vanboxem dot ruben at gmail dot com
-D: Initial Windows patches.
-
-N: Arvid Picciani
-E: aep at exys dot org
-D: Minor patches and musl port.
-
-N: Craig Silverstein
-E: csilvers@google.com
-D: Implemented Cityhash as the string hash function on 64-bit machines
-
-N: Google Inc.
-D: Copyright owner and contributor of the CityHash algorithm
-
-N: Jeffrey Yasskin
-E: jyasskin@gmail.com
-E: jyasskin@google.com
-D: Linux fixes.
-
-N: Jonathan Sauer
-D: Minor patches, mostly related to constexpr
-
-N: Richard Smith
-D: Minor patches.
-
-N: Andrew Morrow
-E: andrew.c.morrow@gmail.com
+N: Saleem Abdulrasool
+E: compnerd@compnerd.org
 D: Minor patches and Linux fixes.
 
-N: Hyeon-bin Jeong
-E: tuhertz@gmail.com
-D: Minor patches and bug fixes.
-
-N: Michel Morin
-E: mimomorin@gmail.com
-D: Minor patches to is_convertible.
-
 N: Dimitry Andric
 E: dimitry@andric.com
 D: Visibility fixes, minor FreeBSD portability patches.
@@ -71,6 +20,84 @@ N: Holger Arnold
 E: holgerar@gmail.com
 D: Minor fix.
 
+N: Ruben Van Boxem
+E: vanboxem dot ruben at gmail dot com
+D: Initial Windows patches.
+
+N: David Chisnall
+E: theraven at theravensnest dot org
+D: FreeBSD and Solaris ports, libcxxrt support, some atomics work.
+
+N: Marshall Clow
+E: mclow.lists@gmail.com
+E: marshall@idio.com
+D: Minor patches and bug fixes.
+
+N: Google Inc.
+D: Copyright owner and contributor of the CityHash algorithm
+
+N: Howard Hinnant
+E: hhinnant@apple.com
+D: Architect and primary author of libc++
+
+N: Hyeon-bin Jeong
+E: tuhertz@gmail.com
+D: Minor patches and bug fixes.
+
 N: Argyrios Kyrtzidis
 E: kyrtzidis@apple.com
 D: Bug fixes.
+
+N: Bruce Mitchener, Jr.
+E: bruce.mitchener@gmail.com
+D: Emscripten-related changes.
+
+N: Michel Morin
+E: mimomorin@gmail.com
+D: Minor patches to is_convertible.
+
+N: Andrew Morrow
+E: andrew.c.morrow@gmail.com
+D: Minor patches and Linux fixes.
+
+N: Arvid Picciani
+E: aep at exys dot org
+D: Minor patches and musl port.
+
+N: Bjorn Reese
+E: breese@users.sourceforge.net
+D: Initial regex prototype
+
+N: Jonathan Sauer
+D: Minor patches, mostly related to constexpr
+
+N: Craig Silverstein
+E: csilvers@google.com
+D: Implemented Cityhash as the string hash function on 64-bit machines
+
+N: Richard Smith
+D: Minor patches.
+
+N: Joerg Sonnenberger
+E: joerg@NetBSD.org
+D: NetBSD port.
+
+N: Stephan Tolksdorf
+E: st@quanttec.com
+D: Minor <atomic> fix
+
+N: Michael van der Westhuizen
+E: r1mikey at gmail dot com
+
+N: Klaas de Vries
+E: klaas at klaasgaaf dot nl
+D: Minor bug fix.
+
+N: Zhang Xiongpang
+E: zhangxiongpang@gmail.com
+D: Minor patches and bug fixes.
+
+N: Jeffrey Yasskin
+E: jyasskin@gmail.com
+E: jyasskin@google.com
+D: Linux fixes.

LICENSE.TXT

@@ -14,7 +14,7 @@ Full text of the relevant licenses is included below.
 University of Illinois/NCSA
 Open Source License
 
-Copyright (c) 2009-2012 by the contributors listed in CREDITS.TXT
+Copyright (c) 2009-2013 by the contributors listed in CREDITS.TXT
 
 All rights reserved.
 
@@ -55,7 +55,7 @@ SOFTWARE.
 
 ==============================================================================
 
-Copyright (c) 2009-2012 by the contributors listed in CREDITS.TXT
+Copyright (c) 2009-2013 by the contributors listed in CREDITS.TXT
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

Makefile

@@ -1,5 +1,5 @@
 ##
-# libcpp Makefile
+# libc++ Makefile
 ##
 
 SRCDIRS = .
@@ -33,9 +33,8 @@ clean::
 # The installheaders target is used by clang's runtime/libcxx makefile.
 installheaders::
 	mkdir -p $(HEADER_DIR)/c++/v1/ext
-	rsync -r --exclude=".*" --exclude="support" $(SRCDIRS)/include/* \
-	  $(HEADER_DIR)/c++/v1/
-	chown -R root:wheel $(HEADER_DIR)/c++
+	(cd $(SRCDIRS)/include && tar cf - --exclude=support .) | \
+	  (cd $(HEADER_DIR)/c++/v1 && tar xf -)
 	chmod 755 $(HEADER_DIR)/c++/v1
 	chmod 644 $(HEADER_DIR)/c++/v1/*
 	chmod 755 $(HEADER_DIR)/c++/v1/ext

include/__bit_reference

@@ -81,6 +81,16 @@ class __bit_reference<_Cp, false>
 {
 };
 
+template <class _Cp>
+_LIBCPP_INLINE_VISIBILITY inline
+void
+swap(__bit_reference<_Cp> __x, __bit_reference<_Cp> __y) _NOEXCEPT
+{
+    bool __t = __x;
+    __x = __y;
+    __y = __t;
+}
+
 template <class _Cp, class _Dp>
 _LIBCPP_INLINE_VISIBILITY inline
 void

include/__config

@@ -11,7 +11,7 @@
 #ifndef _LIBCPP_CONFIG
 #define _LIBCPP_CONFIG
 
-#if !_MSC_VER // explicit macro necessary because it is only defined below in this file
+#ifndef _MSC_VER // explicit macro necessary because it is only defined below in this file
 #pragma GCC system_header
 #endif
 
@@ -51,6 +51,9 @@
 #   define _LIBCPP_LITTLE_ENDIAN 0
 #   define _LIBCPP_BIG_ENDIAN    1
 # endif  // _BYTE_ORDER == _LITTLE_ENDIAN
+# ifndef __LONG_LONG_SUPPORTED
+#  define _LIBCPP_HAS_NO_LONG_LONG
+# endif  // __LONG_LONG_SUPPORTED
 #endif  // __FreeBSD__
 
 #ifdef _WIN32
@@ -63,6 +66,12 @@
 #  endif
 #endif  // _WIN32
 
+#ifdef __linux__
+#  if defined(__GNUC__) && _GNUC_VER >= 403
+#    define _LIBCP_HAS_IS_BASE_OF
+#  endif
+#endif
+
 #ifdef __sun__
 # include <sys/isa_defs.h>
 # ifdef _LITTLE_ENDIAN
@@ -87,24 +96,27 @@
 # endif
 #endif  // !defined(_LIBCPP_LITTLE_ENDIAN) || !defined(_LIBCPP_BIG_ENDIAN)
 
-#if _WIN32
+#ifdef _WIN32
 
 // only really useful for a DLL
 #ifdef _LIBCPP_DLL // this should be a compiler builtin define ideally...
 # ifdef cxx_EXPORTS
 #  define _LIBCPP_HIDDEN
-#  define _LIBCPP_VISIBLE __declspec(dllexport)
+#  define _LIBCPP_FUNC_VIS __declspec(dllexport)
+#  define _LIBCPP_TYPE_VIS __declspec(dllexport)
 # else
 #  define _LIBCPP_HIDDEN
-#  define _LIBCPP_VISIBLE __declspec(dllimport)
+#  define _LIBCPP_FUNC_VIS __declspec(dllimport)
+#  define _LIBCPP_TYPE_VIS __declspec(dllimport)
 # endif
 #else
 # define _LIBCPP_HIDDEN
-# define _LIBCPP_VISIBLE
+# define _LIBCPP_FUNC_VIS
+# define _LIBCPP_TYPE_VIS
 #endif
 
 #ifndef _LIBCPP_INLINE_VISIBILITY
-# if _MSC_VER
+# ifdef _MSC_VER
 #  define _LIBCPP_INLINE_VISIBILITY __forceinline
 # else // MinGW GCC and Clang
 #  define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__always_inline__))
@@ -112,23 +124,35 @@
 #endif
 
 #ifndef _LIBCPP_EXCEPTION_ABI
-#define _LIBCPP_EXCEPTION_ABI _LIBCPP_VISIBLE
+#define _LIBCPP_EXCEPTION_ABI _LIBCPP_TYPE_VIS
 #endif
 
 #ifndef _LIBCPP_ALWAYS_INLINE
-# if _MSC_VER
+# ifdef _MSC_VER
 #  define _LIBCPP_ALWAYS_INLINE __forceinline
 # endif
 #endif
 
 #endif // _WIN32
 
+#ifndef __has_attribute
+#define __has_attribute(__x) 0
+#endif
+
 #ifndef _LIBCPP_HIDDEN
 #define _LIBCPP_HIDDEN __attribute__ ((__visibility__("hidden")))
 #endif
 
-#ifndef _LIBCPP_VISIBLE
-#define _LIBCPP_VISIBLE __attribute__ ((__visibility__("default")))
+#ifndef _LIBCPP_FUNC_VIS
+#define _LIBCPP_FUNC_VIS __attribute__ ((__visibility__("default")))
+#endif
+
+#ifndef _LIBCPP_TYPE_VIS
+#  if __has_attribute(type_visibility)
+#    define _LIBCPP_TYPE_VIS __attribute__ ((__type_visibility__("default")))
+#  else
+#    define _LIBCPP_TYPE_VIS __attribute__ ((__visibility__("default")))
+#  endif
 #endif
 
 #ifndef _LIBCPP_INLINE_VISIBILITY
@@ -136,7 +160,7 @@
 #endif
 
 #ifndef _LIBCPP_EXCEPTION_ABI
-#define _LIBCPP_EXCEPTION_ABI __attribute__ ((__visibility__("default")))
+#define _LIBCPP_EXCEPTION_ABI _LIBCPP_TYPE_VIS
 #endif
 
 #ifndef _LIBCPP_CANTTHROW
@@ -192,7 +216,9 @@ typedef __char32_t char32_t;
 #  define _LIBCPP_NORETURN __attribute__ ((noreturn))
 #endif
 
+#if !(__has_feature(cxx_defaulted_functions))
 #define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
+#endif  // !(__has_feature(cxx_defaulted_functions))
 
 #if !(__has_feature(cxx_deleted_functions))
 #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
@@ -252,7 +278,7 @@ typedef __char32_t char32_t;
 #define _LIBCPP_HAS_NO_CONSTEXPR
 #endif
 
-#if __FreeBSD__ && (__ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L)
+#if defined(__FreeBSD__) && (__ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L)
 #define _LIBCPP_HAS_QUICK_EXIT
 #define _LIBCPP_HAS_C11_FEATURES
 #endif
@@ -398,8 +424,14 @@ template <unsigned> struct __static_assert_check {};
 #define _LIBCPP_CONSTEXPR constexpr
 #endif
 
+#ifdef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
+#define _LIBCPP_DEFAULT {}
+#else
+#define _LIBCPP_DEFAULT = default;
+#endif
+
 #ifdef __GNUC__
-#define _NOALIAS __attribute__((malloc))
+#define _NOALIAS __attribute__((__malloc__))
 #else
 #define _NOALIAS
 #endif
@@ -415,7 +447,7 @@ template <unsigned> struct __static_assert_check {};
 #endif
 
 #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
-#define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_VISIBLE x { enum __lx
+#define _LIBCPP_DECLARE_STRONG_ENUM(x) struct _LIBCPP_TYPE_VIS x { enum __lx
 #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x) \
     __lx __v_; \
     _LIBCPP_ALWAYS_INLINE x(__lx __v) : __v_(__v) {} \
@@ -423,7 +455,7 @@ template <unsigned> struct __static_assert_check {};
     _LIBCPP_ALWAYS_INLINE operator int() const {return __v_;} \
     };
 #else  // _LIBCPP_HAS_NO_STRONG_ENUMS
-#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_VISIBLE x
+#define _LIBCPP_DECLARE_STRONG_ENUM(x) enum class _LIBCPP_TYPE_VIS x
 #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
 #endif  // _LIBCPP_HAS_NO_STRONG_ENUMS
 
@@ -431,18 +463,18 @@ template <unsigned> struct __static_assert_check {};
 #define _LIBCPP_EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
 #endif
 
-#if __APPLE__ || __FreeBSD__ || _WIN32 || __sun__
+#if defined(__APPLE__) || defined(__FreeBSD__) || defined(_WIN32) || defined(__sun__)
 #define _LIBCPP_LOCALE__L_EXTENSIONS 1
 #endif
-#if __FreeBSD__
+#ifdef __FreeBSD__
 #define _DECLARE_C99_LDBL_MATH 1
 #endif
 
-#if __APPLE__ || __FreeBSD__
+#if defined(__APPLE__) || defined(__FreeBSD__)
 #define _LIBCPP_HAS_DEFAULTRUNELOCALE
 #endif
 
-#if __APPLE__ || __FreeBSD__ || __sun__
+#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__)
 #define _LIBCPP_WCTYPE_IS_MASK
 #endif
 

include/__debug

@@ -16,7 +16,9 @@
 #   include <cstdlib>
 #   include <cstdio>
 #   include <cstddef>
-#   define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : (_VSTD::printf("%s\n", m), _VSTD::abort()))
+#   ifndef _LIBCPP_ASSERT
+#      define _LIBCPP_ASSERT(x, m) ((x) ? (void)0 : (_VSTD::printf("%s\n", m), _VSTD::abort()))
+#   endif
 
 #endif
 
@@ -24,9 +26,9 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-struct _LIBCPP_VISIBLE __c_node;
+struct _LIBCPP_TYPE_VIS __c_node;
 
-struct _LIBCPP_VISIBLE __i_node
+struct _LIBCPP_TYPE_VIS __i_node
 {
     void* __i_;
     __i_node* __next_;
@@ -40,7 +42,7 @@ struct _LIBCPP_VISIBLE __i_node
     ~__i_node();
 };
 
-struct _LIBCPP_VISIBLE __c_node
+struct _LIBCPP_TYPE_VIS __c_node
 {
     void* __c_;
     __c_node* __next_;
@@ -117,7 +119,7 @@ _C_node<_Cont>::__subscriptable(const void* __i, ptrdiff_t __n) const
     return _Cp->__subscriptable(__j, __n);
 }
 
-class _LIBCPP_VISIBLE __libcpp_db
+class _LIBCPP_TYPE_VIS __libcpp_db
 {
     __c_node** __cbeg_;
     __c_node** __cend_;
@@ -176,11 +178,11 @@ private:
     _LIBCPP_HIDDEN
     __i_node* __find_iterator(const void* __i) const;
 
-    friend _LIBCPP_VISIBLE __libcpp_db* __get_db();
+    friend _LIBCPP_FUNC_VIS __libcpp_db* __get_db();
 };
 
-_LIBCPP_VISIBLE __libcpp_db* __get_db();
-_LIBCPP_VISIBLE const __libcpp_db* __get_const_db();
+_LIBCPP_FUNC_VIS __libcpp_db* __get_db();
+_LIBCPP_FUNC_VIS const __libcpp_db* __get_const_db();
 
 
 _LIBCPP_END_NAMESPACE_STD

include/__functional_03

@@ -203,7 +203,7 @@ class _LIBCPP_EXCEPTION_ABI bad_function_call
 {
 };
 
-template<class _Fp> class _LIBCPP_VISIBLE function; // undefined
+template<class _Fp> class _LIBCPP_TYPE_VIS function; // undefined
 
 namespace __function
 {
@@ -644,7 +644,7 @@ __func<_Fp, _Alloc, _Rp(_A0, _A1, _A2)>::target_type() const
 }  // __function
 
 template<class _Rp>
-class _LIBCPP_VISIBLE function<_Rp()>
+class _LIBCPP_TYPE_VIS function<_Rp()>
 {
     typedef __function::__base<_Rp()> __base;
     aligned_storage<3*sizeof(void*)>::type __buf_;
@@ -928,7 +928,7 @@ function<_Rp()>::target() const
 #endif  // _LIBCPP_NO_RTTI
 
 template<class _Rp, class _A0>
-class _LIBCPP_VISIBLE function<_Rp(_A0)>
+class _LIBCPP_TYPE_VIS function<_Rp(_A0)>
     : public unary_function<_A0, _Rp>
 {
     typedef __function::__base<_Rp(_A0)> __base;
@@ -1230,7 +1230,7 @@ function<_Rp(_A0)>::target() const
 #endif  // _LIBCPP_NO_RTTI
 
 template<class _Rp, class _A0, class _A1>
-class _LIBCPP_VISIBLE function<_Rp(_A0, _A1)>
+class _LIBCPP_TYPE_VIS function<_Rp(_A0, _A1)>
     : public binary_function<_A0, _A1, _Rp>
 {
     typedef __function::__base<_Rp(_A0, _A1)> __base;
@@ -1532,7 +1532,7 @@ function<_Rp(_A0, _A1)>::target() const
 #endif  // _LIBCPP_NO_RTTI
 
 template<class _Rp, class _A0, class _A1, class _A2>
-class _LIBCPP_VISIBLE function<_Rp(_A0, _A1, _A2)>
+class _LIBCPP_TYPE_VIS function<_Rp(_A0, _A1, _A2)>
 {
     typedef __function::__base<_Rp(_A0, _A1, _A2)> __base;
     aligned_storage<3*sizeof(void*)>::type __buf_;
@@ -1860,11 +1860,11 @@ swap(function<_Fp>& __x, function<_Fp>& __y)
 {return __x.swap(__y);}
 
 template<class _Tp> struct __is_bind_expression : public false_type {};
-template<class _Tp> struct _LIBCPP_VISIBLE is_bind_expression
+template<class _Tp> struct _LIBCPP_TYPE_VIS is_bind_expression
     : public __is_bind_expression<typename remove_cv<_Tp>::type> {};
 
 template<class _Tp> struct __is_placeholder : public integral_constant<int, 0> {};
-template<class _Tp> struct _LIBCPP_VISIBLE is_placeholder
+template<class _Tp> struct _LIBCPP_TYPE_VIS is_placeholder
     : public __is_placeholder<typename remove_cv<_Tp>::type> {};
 
 namespace placeholders

include/__functional_base

@@ -23,21 +23,21 @@
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Arg, class _Result>
-struct _LIBCPP_VISIBLE unary_function
+struct _LIBCPP_TYPE_VIS unary_function
 {
     typedef _Arg    argument_type;
     typedef _Result result_type;
 };
 
 template <class _Arg1, class _Arg2, class _Result>
-struct _LIBCPP_VISIBLE binary_function
+struct _LIBCPP_TYPE_VIS binary_function
 {
     typedef _Arg1   first_argument_type;
     typedef _Arg2   second_argument_type;
     typedef _Result result_type;
 };
 
-template <class _Tp> struct _LIBCPP_VISIBLE hash;
+template <class _Tp> struct _LIBCPP_TYPE_VIS hash;
 
 template <class _Tp>
 struct __has_result_type
@@ -51,7 +51,7 @@ public:
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE less : binary_function<_Tp, _Tp, bool>
+struct _LIBCPP_TYPE_VIS less : binary_function<_Tp, _Tp, bool>
 {
     _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const
         {return __x < __y;}
@@ -348,7 +348,7 @@ struct __invoke_return
 };
 
 template <class _Tp>
-class _LIBCPP_VISIBLE reference_wrapper
+class _LIBCPP_TYPE_VIS reference_wrapper
     : public __weak_result_type<_Tp>
 {
 public:

include/__functional_base_03

@@ -996,7 +996,7 @@ struct __invoke_return2
 };
 
 template <class _Tp>
-class _LIBCPP_VISIBLE reference_wrapper
+class _LIBCPP_TYPE_VIS reference_wrapper
     : public __weak_result_type<_Tp>
 {
 public:

include/__hash_table

@@ -26,7 +26,7 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-_LIBCPP_VISIBLE
+_LIBCPP_FUNC_VIS
 size_t __next_prime(size_t __n);
 
 template <class _NodePtr>
@@ -80,14 +80,14 @@ __next_pow2(size_t __n)
 }
 
 template <class _Tp, class _Hash, class _Equal, class _Alloc> class __hash_table;
-template <class _ConstNodePtr> class _LIBCPP_VISIBLE __hash_const_iterator;
-template <class _HashIterator> class _LIBCPP_VISIBLE __hash_map_iterator;
-template <class _HashIterator> class _LIBCPP_VISIBLE __hash_map_const_iterator;
+template <class _ConstNodePtr> class _LIBCPP_TYPE_VIS __hash_const_iterator;
+template <class _HashIterator> class _LIBCPP_TYPE_VIS __hash_map_iterator;
+template <class _HashIterator> class _LIBCPP_TYPE_VIS __hash_map_const_iterator;
 template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
-    class _LIBCPP_VISIBLE unordered_map;
+    class _LIBCPP_TYPE_VIS unordered_map;
 
 template <class _NodePtr>
-class _LIBCPP_VISIBLE __hash_iterator
+class _LIBCPP_TYPE_VIS __hash_iterator
 {
     typedef _NodePtr __node_pointer;
 
@@ -142,14 +142,14 @@ private:
         {}
 
     template <class, class, class, class> friend class __hash_table;
-    template <class> friend class _LIBCPP_VISIBLE __hash_const_iterator;
-    template <class> friend class _LIBCPP_VISIBLE __hash_map_iterator;
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE unordered_map;
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE unordered_multimap;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_const_iterator;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_map_iterator;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_map;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_multimap;
 };
 
 template <class _ConstNodePtr>
-class _LIBCPP_VISIBLE __hash_const_iterator
+class _LIBCPP_TYPE_VIS __hash_const_iterator
 {
     typedef _ConstNodePtr __node_pointer;
 
@@ -220,15 +220,15 @@ private:
         {}
 
     template <class, class, class, class> friend class __hash_table;
-    template <class> friend class _LIBCPP_VISIBLE __hash_map_const_iterator;
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE unordered_map;
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE unordered_multimap;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_map_const_iterator;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_map;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_multimap;
 };
 
-template <class _ConstNodePtr> class _LIBCPP_VISIBLE __hash_const_local_iterator;
+template <class _ConstNodePtr> class _LIBCPP_TYPE_VIS __hash_const_local_iterator;
 
 template <class _NodePtr>
-class _LIBCPP_VISIBLE __hash_local_iterator
+class _LIBCPP_TYPE_VIS __hash_local_iterator
 {
     typedef _NodePtr __node_pointer;
 
@@ -294,12 +294,12 @@ private:
         }
 
     template <class, class, class, class> friend class __hash_table;
-    template <class> friend class _LIBCPP_VISIBLE __hash_const_local_iterator;
-    template <class> friend class _LIBCPP_VISIBLE __hash_map_iterator;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_const_local_iterator;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_map_iterator;
 };
 
 template <class _ConstNodePtr>
-class _LIBCPP_VISIBLE __hash_const_local_iterator
+class _LIBCPP_TYPE_VIS __hash_const_local_iterator
 {
     typedef _ConstNodePtr __node_pointer;
 
@@ -384,7 +384,7 @@ private:
         }
 
     template <class, class, class, class> friend class __hash_table;
-    template <class> friend class _LIBCPP_VISIBLE __hash_map_const_iterator;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_map_const_iterator;
 };
 
 template <class _Alloc>

include/__locale

@@ -19,11 +19,11 @@
 #include <cstdint>
 #include <cctype>
 #include <locale.h>
-#if _WIN32
+#ifdef _WIN32
 # include <support/win32/locale_win32.h>
-#elif (__GLIBC__ || __APPLE__ || __FreeBSD__ || __sun__)
+#elif (defined(__GLIBC__) || defined(__APPLE__) || defined(__FreeBSD__) || defined(__sun__)) || defined(EMSCRIPTEN)
 # include <xlocale.h>
-#endif  // _WIN32 || __GLIBC__ || __APPLE__ || __FreeBSD_
+#endif  // _WIN32 || __GLIBC__ || __APPLE__ || __FreeBSD__ || __sun__ || EMSCRIPTEN
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #pragma GCC system_header
@@ -31,7 +31,7 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-class _LIBCPP_VISIBLE locale;
+class _LIBCPP_TYPE_VIS locale;
 
 template <class _Facet>
 _LIBCPP_INLINE_VISIBILITY
@@ -43,12 +43,12 @@ _LIBCPP_INLINE_VISIBILITY
 const _Facet&
 use_facet(const locale&);
 
-class _LIBCPP_VISIBLE locale
+class _LIBCPP_TYPE_VIS locale
 {
 public:
     // types:
-    class _LIBCPP_VISIBLE facet;
-    class _LIBCPP_VISIBLE id;
+    class _LIBCPP_TYPE_VIS facet;
+    class _LIBCPP_TYPE_VIS id;
 
     typedef int category;
     static const category // values assigned here are for exposition only
@@ -103,7 +103,7 @@ private:
     template <class _Facet> friend const _Facet& use_facet(const locale&);
 };
 
-class _LIBCPP_VISIBLE locale::facet
+class _LIBCPP_TYPE_VIS locale::facet
     : public __shared_count
 {
 protected:
@@ -119,7 +119,7 @@ private:
     virtual void __on_zero_shared() _NOEXCEPT;
 };
 
-class _LIBCPP_VISIBLE locale::id
+class _LIBCPP_TYPE_VIS locale::id
 {
     once_flag      __flag_;
     int32_t        __id_;
@@ -175,7 +175,7 @@ use_facet(const locale& __l)
 // template <class _CharT> class collate;
 
 template <class _CharT>
-class _LIBCPP_VISIBLE collate
+class _LIBCPP_TYPE_VIS collate
     : public locale::facet
 {
 public:
@@ -254,15 +254,15 @@ collate<_CharT>::do_hash(const char_type* __lo, const char_type* __hi) const
     return static_cast<long>(__h);
 }
 
-_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_VISIBLE collate<char>)
-_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_VISIBLE collate<wchar_t>)
+_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS collate<char>)
+_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_TYPE_VIS collate<wchar_t>)
 
 // template <class CharT> class collate_byname;
 
-template <class _CharT> class _LIBCPP_VISIBLE collate_byname;
+template <class _CharT> class _LIBCPP_TYPE_VIS collate_byname;
 
 template <>
-class _LIBCPP_VISIBLE collate_byname<char>
+class _LIBCPP_TYPE_VIS collate_byname<char>
     : public collate<char>
 {
     locale_t __l;
@@ -281,7 +281,7 @@ protected:
 };
 
 template <>
-class _LIBCPP_VISIBLE collate_byname<wchar_t>
+class _LIBCPP_TYPE_VIS collate_byname<wchar_t>
     : public collate<wchar_t>
 {
     locale_t __l;
@@ -312,10 +312,10 @@ locale::operator()(const basic_string<_CharT, _Traits, _Allocator>& __x,
 
 // template <class charT> class ctype
 
-class _LIBCPP_VISIBLE ctype_base
+class _LIBCPP_TYPE_VIS ctype_base
 {
 public:
-#if __GLIBC__
+#ifdef __GLIBC__
     typedef unsigned short mask;
     static const mask space  = _ISspace;
     static const mask print  = _ISprint;
@@ -327,7 +327,7 @@ public:
     static const mask punct  = _ISpunct;
     static const mask xdigit = _ISxdigit;
     static const mask blank  = _ISblank;
-#elif _WIN32
+#elif defined(_WIN32)
     typedef unsigned short mask;
     static const mask space  = _SPACE;
     static const mask print  = _BLANK|_PUNCT|_ALPHA|_DIGIT;
@@ -339,11 +339,13 @@ public:
     static const mask punct  = _PUNCT;
     static const mask xdigit = _HEX;
     static const mask blank  = _BLANK;
-#elif (__APPLE__ || __FreeBSD__)
-#if __APPLE__
+#elif (defined(__APPLE__) || defined(__FreeBSD__)) || defined(EMSCRIPTEN)
+#ifdef __APPLE__
     typedef __uint32_t mask;
-#elif __FreeBSD__
+#elif defined(__FreeBSD__)
     typedef unsigned long mask;
+#elif defined(EMSCRIPTEN)
+    typedef unsigned short mask;
 #endif
     static const mask space  = _CTYPE_S;
     static const mask print  = _CTYPE_R;
@@ -355,7 +357,7 @@ public:
     static const mask punct  = _CTYPE_P;
     static const mask xdigit = _CTYPE_X;
     static const mask blank  = _CTYPE_B;
-#elif __sun__
+#elif defined(__sun__)
     typedef unsigned int mask;
     static const mask space  = _ISSPACE;
     static const mask print  = _ISPRINT;
@@ -367,7 +369,7 @@ public:
     static const mask punct  = _ISPUNCT;
     static const mask xdigit = _ISXDIGIT;
     static const mask blank  = _ISBLANK;
-#else  // __GLIBC__ || _WIN32 || __APPLE__ || __FreeBSD__ || __sun__
+#else  // __GLIBC__ || _WIN32 || __APPLE__ || __FreeBSD__ || EMSCRIPTEN || __sun__
     typedef unsigned long mask;
     static const mask space  = 1<<0;
     static const mask print  = 1<<1;
@@ -386,10 +388,10 @@ public:
     _LIBCPP_ALWAYS_INLINE ctype_base() {}
 };
 
-template <class _CharT> class _LIBCPP_VISIBLE ctype;
+template <class _CharT> class _LIBCPP_TYPE_VIS ctype;
 
 template <>
-class _LIBCPP_VISIBLE ctype<wchar_t>
+class _LIBCPP_TYPE_VIS ctype<wchar_t>
     : public locale::facet,
       public ctype_base
 {
@@ -491,7 +493,7 @@ protected:
 };
 
 template <>
-class _LIBCPP_VISIBLE ctype<char>
+class _LIBCPP_TYPE_VIS ctype<char>
     : public locale::facet, public ctype_base
 {
     const mask* __tab_;
@@ -590,7 +592,7 @@ public:
 #endif
     _LIBCPP_ALWAYS_INLINE const mask* table() const  _NOEXCEPT {return __tab_;}
     static const mask* classic_table()  _NOEXCEPT;
-#if defined(__GLIBC__)
+#if defined(__GLIBC__) || defined(EMSCRIPTEN)
     static const int* __classic_upper_table() _NOEXCEPT;
     static const int* __classic_lower_table() _NOEXCEPT;
 #endif
@@ -609,10 +611,10 @@ protected:
 
 // template <class CharT> class ctype_byname;
 
-template <class _CharT> class _LIBCPP_VISIBLE ctype_byname;
+template <class _CharT> class _LIBCPP_TYPE_VIS ctype_byname;
 
 template <>
-class _LIBCPP_VISIBLE ctype_byname<char>
+class _LIBCPP_TYPE_VIS ctype_byname<char>
     : public ctype<char>
 {
     locale_t __l;
@@ -630,7 +632,7 @@ protected:
 };
 
 template <>
-class _LIBCPP_VISIBLE ctype_byname<wchar_t>
+class _LIBCPP_TYPE_VIS ctype_byname<wchar_t>
     : public ctype<wchar_t>
 {
     locale_t __l;
@@ -761,7 +763,7 @@ tolower(_CharT __c, const locale& __loc)
 
 // codecvt_base
 
-class _LIBCPP_VISIBLE codecvt_base
+class _LIBCPP_TYPE_VIS codecvt_base
 {
 public:
     _LIBCPP_ALWAYS_INLINE codecvt_base() {}
@@ -770,12 +772,12 @@ public:
 
 // template <class internT, class externT, class stateT> class codecvt;
 
-template <class _InternT, class _ExternT, class _StateT> class _LIBCPP_VISIBLE codecvt;
+template <class _InternT, class _ExternT, class _StateT> class _LIBCPP_TYPE_VIS codecvt;
 
 // template <> class codecvt<char, char, mbstate_t>
 
 template <>
-class _LIBCPP_VISIBLE codecvt<char, char, mbstate_t>
+class _LIBCPP_TYPE_VIS codecvt<char, char, mbstate_t>
     : public locale::facet,
       public codecvt_base
 {
@@ -861,7 +863,7 @@ protected:
 // template <> class codecvt<wchar_t, char, mbstate_t>
 
 template <>
-class _LIBCPP_VISIBLE codecvt<wchar_t, char, mbstate_t>
+class _LIBCPP_TYPE_VIS codecvt<wchar_t, char, mbstate_t>
     : public locale::facet,
       public codecvt_base
 {
@@ -944,7 +946,7 @@ protected:
 // template <> class codecvt<char16_t, char, mbstate_t>
 
 template <>
-class _LIBCPP_VISIBLE codecvt<char16_t, char, mbstate_t>
+class _LIBCPP_TYPE_VIS codecvt<char16_t, char, mbstate_t>
     : public locale::facet,
       public codecvt_base
 {
@@ -1030,7 +1032,7 @@ protected:
 // template <> class codecvt<char32_t, char, mbstate_t>
 
 template <>
-class _LIBCPP_VISIBLE codecvt<char32_t, char, mbstate_t>
+class _LIBCPP_TYPE_VIS codecvt<char32_t, char, mbstate_t>
     : public locale::facet,
       public codecvt_base
 {
@@ -1116,7 +1118,7 @@ protected:
 // template <class _InternT, class _ExternT, class _StateT> class codecvt_byname
 
 template <class _InternT, class _ExternT, class _StateT>
-class _LIBCPP_VISIBLE codecvt_byname
+class _LIBCPP_TYPE_VIS codecvt_byname
     : public codecvt<_InternT, _ExternT, _StateT>
 {
 public:
@@ -1140,7 +1142,7 @@ _LIBCPP_EXTERN_TEMPLATE(class codecvt_byname<wchar_t, char, mbstate_t>)
 _LIBCPP_EXTERN_TEMPLATE(class codecvt_byname<char16_t, char, mbstate_t>)
 _LIBCPP_EXTERN_TEMPLATE(class codecvt_byname<char32_t, char, mbstate_t>)
 
-_LIBCPP_VISIBLE void __throw_runtime_error(const char*);
+_LIBCPP_FUNC_VIS void __throw_runtime_error(const char*);
 
 template <size_t _Np>
 struct __narrow_to_utf8
@@ -1324,10 +1326,10 @@ struct __widen_from_utf8<32>
 
 // template <class charT> class numpunct
 
-template <class _CharT> class _LIBCPP_VISIBLE numpunct;
+template <class _CharT> class _LIBCPP_TYPE_VIS numpunct;
 
 template <>
-class _LIBCPP_VISIBLE numpunct<char>
+class _LIBCPP_TYPE_VIS numpunct<char>
     : public locale::facet
 {
 public:
@@ -1358,7 +1360,7 @@ protected:
 };
 
 template <>
-class _LIBCPP_VISIBLE numpunct<wchar_t>
+class _LIBCPP_TYPE_VIS numpunct<wchar_t>
     : public locale::facet
 {
 public:
@@ -1390,10 +1392,10 @@ protected:
 
 // template <class charT> class numpunct_byname
 
-template <class charT> class _LIBCPP_VISIBLE numpunct_byname;
+template <class charT> class _LIBCPP_TYPE_VIS numpunct_byname;
 
 template <>
-class _LIBCPP_VISIBLE numpunct_byname<char>
+class _LIBCPP_TYPE_VIS numpunct_byname<char>
 : public numpunct<char>
 {
 public:
@@ -1411,7 +1413,7 @@ private:
 };
 
 template <>
-class _LIBCPP_VISIBLE numpunct_byname<wchar_t>
+class _LIBCPP_TYPE_VIS numpunct_byname<wchar_t>
 : public numpunct<wchar_t>
 {
 public:

include/__mutex_base

@@ -32,7 +32,7 @@ template <class _Mutex> class upgrade_lock;
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-class _LIBCPP_VISIBLE mutex
+class _LIBCPP_TYPE_VIS mutex
 {
     pthread_mutex_t __m_;
 
@@ -58,9 +58,9 @@ public:
     _LIBCPP_INLINE_VISIBILITY native_handle_type native_handle() {return &__m_;}
 };
 
-struct _LIBCPP_VISIBLE defer_lock_t {};
-struct _LIBCPP_VISIBLE try_to_lock_t {};
-struct _LIBCPP_VISIBLE adopt_lock_t {};
+struct _LIBCPP_TYPE_VIS defer_lock_t {};
+struct _LIBCPP_TYPE_VIS try_to_lock_t {};
+struct _LIBCPP_TYPE_VIS adopt_lock_t {};
 
 #if defined(_LIBCPP_HAS_NO_CONSTEXPR) || defined(_LIBCPP_BUILDING_MUTEX)
 
@@ -77,7 +77,7 @@ constexpr adopt_lock_t  adopt_lock  = adopt_lock_t();
 #endif
 
 template <class _Mutex>
-class _LIBCPP_VISIBLE lock_guard
+class _LIBCPP_TYPE_VIS lock_guard
 {
 public:
     typedef _Mutex mutex_type;
@@ -101,7 +101,7 @@ private:
 };
 
 template <class _Mutex>
-class _LIBCPP_VISIBLE unique_lock
+class _LIBCPP_TYPE_VIS unique_lock
 {
 public:
     typedef _Mutex mutex_type;
@@ -285,7 +285,7 @@ void
 swap(unique_lock<_Mutex>& __x, unique_lock<_Mutex>& __y) _NOEXCEPT
     {__x.swap(__y);}
 
-struct _LIBCPP_VISIBLE cv_status
+struct _LIBCPP_TYPE_VIS cv_status
 {
     enum __lx {
         no_timeout,
@@ -299,7 +299,7 @@ struct _LIBCPP_VISIBLE cv_status
 
 };
 
-class _LIBCPP_VISIBLE condition_variable
+class _LIBCPP_TYPE_VIS condition_variable
 {
     pthread_cond_t __cv_;
 public:

include/__std_stream

@@ -41,7 +41,7 @@ public:
     typedef typename traits_type::off_type   off_type;
     typedef typename traits_type::state_type state_type;
 
-    explicit __stdinbuf(FILE* __fp);
+    __stdinbuf(FILE* __fp, state_type* __st);
 
 protected:
     virtual int_type underflow();
@@ -53,7 +53,7 @@ private:
 
     FILE* __file_;
     const codecvt<char_type, char, state_type>* __cv_;
-    state_type __st_;
+    state_type* __st_;
     int __encoding_;
     bool __always_noconv_;
 
@@ -64,9 +64,9 @@ private:
 };
 
 template <class _CharT>
-__stdinbuf<_CharT>::__stdinbuf(FILE* __fp)
+__stdinbuf<_CharT>::__stdinbuf(FILE* __fp, state_type* __st)
     : __file_(__fp),
-      __st_()
+      __st_(__st)
 {
     imbue(this->getloc());
 }
@@ -119,15 +119,15 @@ __stdinbuf<_CharT>::__getchar(bool __consume)
         codecvt_base::result __r;
         do
         {
-            state_type __sv_st = __st_;
-            __r = __cv_->in(__st_, __extbuf, __extbuf + __nread, __enxt,
+            state_type __sv_st = *__st_;
+            __r = __cv_->in(*__st_, __extbuf, __extbuf + __nread, __enxt,
                                    &__1buf, &__1buf + 1, __inxt);
             switch (__r)
             {
             case _VSTD::codecvt_base::ok:
                 break;
             case codecvt_base::partial:
-                __st_ = __sv_st;
+                *__st_ = __sv_st;
                 if (__nread == sizeof(__extbuf))
                     return traits_type::eof();
                 {
@@ -150,7 +150,7 @@ __stdinbuf<_CharT>::__getchar(bool __consume)
     {
         for (int __i = __nread; __i > 0;)
         {
-            if (ungetc(__extbuf[--__i], __file_) == EOF)
+            if (ungetc(traits_type::to_int_type(__extbuf[--__i]), __file_) == EOF)
                 return traits_type::eof();
         }
     }
@@ -167,7 +167,7 @@ __stdinbuf<_CharT>::pbackfail(int_type __c)
     char* __enxt;
     const char_type __ci = traits_type::to_char_type(__c);
     const char_type* __inxt;
-    switch (__cv_->out(__st_, &__ci, &__ci + 1, __inxt,
+    switch (__cv_->out(*__st_, &__ci, &__ci + 1, __inxt,
                               __extbuf, __extbuf + sizeof(__extbuf), __enxt))
     {
     case _VSTD::codecvt_base::ok:
@@ -200,7 +200,7 @@ public:
     typedef typename traits_type::off_type   off_type;
     typedef typename traits_type::state_type state_type;
 
-    explicit __stdoutbuf(FILE* __fp);
+    __stdoutbuf(FILE* __fp, state_type* __st);
 
 protected:
     virtual int_type overflow (int_type __c = traits_type::eof());
@@ -210,7 +210,7 @@ protected:
 private:
     FILE* __file_;
     const codecvt<char_type, char, state_type>* __cv_;
-    state_type __st_;
+    state_type* __st_;
     bool __always_noconv_;
 
     __stdoutbuf(const __stdoutbuf&);
@@ -218,10 +218,10 @@ private:
 };
 
 template <class _CharT>
-__stdoutbuf<_CharT>::__stdoutbuf(FILE* __fp)
+__stdoutbuf<_CharT>::__stdoutbuf(FILE* __fp, state_type* __st)
     : __file_(__fp),
       __cv_(&use_facet<codecvt<char_type, char, state_type> >(this->getloc())),
-      __st_(),
+      __st_(__st),
       __always_noconv_(__cv_->always_noconv())
 {
 }
@@ -249,7 +249,7 @@ __stdoutbuf<_CharT>::overflow(int_type __c)
             do
             {
                 const char_type* __e;
-                __r = __cv_->out(__st_, this->pbase(), this->pptr(), __e,
+                __r = __cv_->out(*__st_, this->pbase(), this->pptr(), __e,
                                         __extbuf,
                                         __extbuf + sizeof(__extbuf),
                                         __extbe);
@@ -289,7 +289,7 @@ __stdoutbuf<_CharT>::sync()
     do
     {
         char* __extbe;
-        __r = __cv_->unshift(__st_, __extbuf,
+        __r = __cv_->unshift(*__st_, __extbuf,
                                     __extbuf + sizeof(__extbuf),
                                     __extbe);
         size_t __nmemb = static_cast<size_t>(__extbe - __extbuf);

include/__tree

@@ -25,17 +25,17 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Tp, class _Compare, class _Allocator> class __tree;
 template <class _Tp, class _NodePtr, class _DiffType>
-    class _LIBCPP_VISIBLE __tree_iterator;
+    class _LIBCPP_TYPE_VIS __tree_iterator;
 template <class _Tp, class _ConstNodePtr, class _DiffType>
-    class _LIBCPP_VISIBLE __tree_const_iterator;
+    class _LIBCPP_TYPE_VIS __tree_const_iterator;
 template <class _Key, class _Tp, class _Compare, class _Allocator>
-    class _LIBCPP_VISIBLE map;
+    class _LIBCPP_TYPE_VIS map;
 template <class _Key, class _Tp, class _Compare, class _Allocator>
-    class _LIBCPP_VISIBLE multimap;
+    class _LIBCPP_TYPE_VIS multimap;
 template <class _Key, class _Compare, class _Allocator>
-    class _LIBCPP_VISIBLE set;
+    class _LIBCPP_TYPE_VIS set;
 template <class _Key, class _Compare, class _Allocator>
-    class _LIBCPP_VISIBLE multiset;
+    class _LIBCPP_TYPE_VIS multiset;
 
 /*
 
@@ -614,11 +614,11 @@ public:
 #endif  // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS)
 };
 
-template <class _TreeIterator> class _LIBCPP_VISIBLE __map_iterator;
-template <class _TreeIterator> class _LIBCPP_VISIBLE __map_const_iterator;
+template <class _TreeIterator> class _LIBCPP_TYPE_VIS __map_iterator;
+template <class _TreeIterator> class _LIBCPP_TYPE_VIS __map_const_iterator;
 
 template <class _Tp, class _NodePtr, class _DiffType>
-class _LIBCPP_VISIBLE __tree_iterator
+class _LIBCPP_TYPE_VIS __tree_iterator
 {
     typedef _NodePtr                                              __node_pointer;
     typedef typename pointer_traits<__node_pointer>::element_type __node;
@@ -673,16 +673,16 @@ private:
     _LIBCPP_INLINE_VISIBILITY
     explicit __tree_iterator(__node_pointer __p) _NOEXCEPT : __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;
-    template <class, class, class, class> friend class _LIBCPP_VISIBLE map;
-    template <class, class, class, class> friend class _LIBCPP_VISIBLE multimap;
-    template <class, class, class> friend class _LIBCPP_VISIBLE set;
-    template <class, class, class> friend class _LIBCPP_VISIBLE multiset;
+    template <class, class, class> friend class _LIBCPP_TYPE_VIS __tree_const_iterator;
+    template <class> friend class _LIBCPP_TYPE_VIS __map_iterator;
+    template <class, class, class, class> friend class _LIBCPP_TYPE_VIS map;
+    template <class, class, class, class> friend class _LIBCPP_TYPE_VIS multimap;
+    template <class, class, class> friend class _LIBCPP_TYPE_VIS set;
+    template <class, class, class> friend class _LIBCPP_TYPE_VIS multiset;
 };
 
 template <class _Tp, class _ConstNodePtr, class _DiffType>
-class _LIBCPP_VISIBLE __tree_const_iterator
+class _LIBCPP_TYPE_VIS __tree_const_iterator
 {
     typedef _ConstNodePtr                                         __node_pointer;
     typedef typename pointer_traits<__node_pointer>::element_type __node;
@@ -759,11 +759,11 @@ private:
     explicit __tree_const_iterator(__node_pointer __p) _NOEXCEPT
         : __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;
-    template <class, class, class> friend class _LIBCPP_VISIBLE set;
-    template <class, class, class> friend class _LIBCPP_VISIBLE multiset;
-    template <class> friend class _LIBCPP_VISIBLE __map_const_iterator;
+    template <class, class, class, class> friend class _LIBCPP_TYPE_VIS map;
+    template <class, class, class, class> friend class _LIBCPP_TYPE_VIS multimap;
+    template <class, class, class> friend class _LIBCPP_TYPE_VIS set;
+    template <class, class, class> friend class _LIBCPP_TYPE_VIS multiset;
+    template <class> friend class _LIBCPP_TYPE_VIS __map_const_iterator;
 };
 
 template <class _Tp, class _Compare, class _Allocator>

include/__tuple

@@ -27,46 +27,46 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _Tp> class _LIBCPP_VISIBLE tuple_size;
+template <class _Tp> class _LIBCPP_TYPE_VIS tuple_size;
 
 template <class _Tp>
-class _LIBCPP_VISIBLE tuple_size<const _Tp>
+class _LIBCPP_TYPE_VIS tuple_size<const _Tp>
     : public tuple_size<_Tp> {};
 
 template <class _Tp>
-class _LIBCPP_VISIBLE tuple_size<volatile _Tp>
+class _LIBCPP_TYPE_VIS tuple_size<volatile _Tp>
     : public tuple_size<_Tp> {};
 
 template <class _Tp>
-class _LIBCPP_VISIBLE tuple_size<const volatile _Tp>
+class _LIBCPP_TYPE_VIS tuple_size<const volatile _Tp>
     : public tuple_size<_Tp> {};
 
-template <size_t _Ip, class _Tp> class _LIBCPP_VISIBLE tuple_element;
+template <size_t _Ip, class _Tp> class _LIBCPP_TYPE_VIS tuple_element;
 
 template <size_t _Ip, class _Tp>
-class _LIBCPP_VISIBLE tuple_element<_Ip, const _Tp>
+class _LIBCPP_TYPE_VIS tuple_element<_Ip, const _Tp>
 {
 public:
     typedef typename add_const<typename tuple_element<_Ip, _Tp>::type>::type type;
 };
 
 template <size_t _Ip, class _Tp>
-class _LIBCPP_VISIBLE tuple_element<_Ip, volatile _Tp>
+class _LIBCPP_TYPE_VIS tuple_element<_Ip, volatile _Tp>
 {
 public:
     typedef typename add_volatile<typename tuple_element<_Ip, _Tp>::type>::type type;
 };
 
 template <size_t _Ip, class _Tp>
-class _LIBCPP_VISIBLE tuple_element<_Ip, const volatile _Tp>
+class _LIBCPP_TYPE_VIS tuple_element<_Ip, const volatile _Tp>
 {
 public:
     typedef typename add_cv<typename tuple_element<_Ip, _Tp>::type>::type type;
 };
 
-template <class ..._Tp> class _LIBCPP_VISIBLE tuple;
-template <class _T1, class _T2> struct _LIBCPP_VISIBLE pair;
-template <class _Tp, size_t _Size> struct _LIBCPP_VISIBLE array;
+template <class ..._Tp> class _LIBCPP_TYPE_VIS tuple;
+template <class _T1, class _T2> struct _LIBCPP_TYPE_VIS pair;
+template <class _Tp, size_t _Size> struct _LIBCPP_TYPE_VIS array;
 
 template <class _Tp> struct __tuple_like : false_type {};
 
@@ -154,7 +154,7 @@ struct __make_tuple_indices
 template <class ..._Tp> struct __tuple_types {};
 
 template <size_t _Ip>
-class _LIBCPP_VISIBLE tuple_element<_Ip, __tuple_types<> >
+class _LIBCPP_TYPE_VIS tuple_element<_Ip, __tuple_types<> >
 {
 public:
     static_assert(_Ip == 0, "tuple_element index out of range");
@@ -162,21 +162,21 @@ public:
 };
 
 template <class _Hp, class ..._Tp>
-class _LIBCPP_VISIBLE tuple_element<0, __tuple_types<_Hp, _Tp...> >
+class _LIBCPP_TYPE_VIS tuple_element<0, __tuple_types<_Hp, _Tp...> >
 {
 public:
     typedef _Hp type;
 };
 
 template <size_t _Ip, class _Hp, class ..._Tp>
-class _LIBCPP_VISIBLE tuple_element<_Ip, __tuple_types<_Hp, _Tp...> >
+class _LIBCPP_TYPE_VIS tuple_element<_Ip, __tuple_types<_Hp, _Tp...> >
 {
 public:
     typedef typename tuple_element<_Ip-1, __tuple_types<_Tp...> >::type type;
 };
 
 template <class ..._Tp>
-class _LIBCPP_VISIBLE tuple_size<__tuple_types<_Tp...> >
+class _LIBCPP_TYPE_VIS tuple_size<__tuple_types<_Tp...> >
     : public integral_constant<size_t, sizeof...(_Tp)>
 {
 };

include/__tuple_03

@@ -19,8 +19,8 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _Tp> class _LIBCPP_VISIBLE tuple_size;
-template <size_t _Ip, class _Tp> class _LIBCPP_VISIBLE tuple_element;
+template <class _Tp> class _LIBCPP_TYPE_VIS tuple_size;
+template <size_t _Ip, class _Tp> class _LIBCPP_TYPE_VIS tuple_element;
 
 _LIBCPP_END_NAMESPACE_STD
 

include/algorithm

@@ -1398,7 +1398,7 @@ __search_n(_RandomAccessIterator __first, _RandomAccessIterator __last,
         // Find first element in sequence that matchs __value_, with a mininum of loop checks
         while (true)
         {
-            if (__first == __s)  // return __last if no element matches __value_
+            if (__first >= __s)  // return __last if no element matches __value_
                 return __last;
             if (__pred(*__first, __value_))
                 break;
@@ -1528,10 +1528,10 @@ copy(_InputIterator __first, _InputIterator __last, _OutputIterator __result)
 
 // copy_backward
 
-template <class _InputIterator, class _OutputIterator>
+template <class _BidirectionalIterator, class _OutputIterator>
 inline _LIBCPP_INLINE_VISIBILITY
 _OutputIterator
-__copy_backward(_InputIterator __first, _InputIterator __last, _OutputIterator __result)
+__copy_backward(_BidirectionalIterator __first, _BidirectionalIterator __last, _OutputIterator __result)
 {
     while (__first != __last)
         *--__result = *--__last;
@@ -2764,7 +2764,7 @@ class __rs_default
 
     __rs_default();
 public:
-    typedef unsigned result_type;
+    typedef uint_fast32_t result_type;
 
     static const result_type _Min = 0;
     static const result_type _Max = 0xFFFFFFFF;

include/array

@@ -118,7 +118,7 @@ template <int I, class T, size_t N> T&& get(array<T, N>&&) noexcept;
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Tp, size_t _Size>
-struct _LIBCPP_VISIBLE array
+struct _LIBCPP_TYPE_VIS array
 {
     // types:
     typedef array __self;
@@ -284,22 +284,22 @@ swap(const array<_Tp, _Size>& __x, const array<_Tp, _Size>& __y)
 }
 
 template <class _Tp, size_t _Size>
-class _LIBCPP_VISIBLE tuple_size<array<_Tp, _Size> >
+class _LIBCPP_TYPE_VIS tuple_size<array<_Tp, _Size> >
     : public integral_constant<size_t, _Size> {};
 
 template <class _Tp, size_t _Size>
-class _LIBCPP_VISIBLE tuple_size<const array<_Tp, _Size> >
+class _LIBCPP_TYPE_VIS tuple_size<const array<_Tp, _Size> >
     : public integral_constant<size_t, _Size> {};
 
 template <size_t _Ip, class _Tp, size_t _Size>
-class _LIBCPP_VISIBLE tuple_element<_Ip, array<_Tp, _Size> >
+class _LIBCPP_TYPE_VIS tuple_element<_Ip, array<_Tp, _Size> >
 {
 public:
     typedef _Tp type;
 };
 
 template <size_t _Ip, class _Tp, size_t _Size>
-class _LIBCPP_VISIBLE tuple_element<_Ip, const array<_Tp, _Size> >
+class _LIBCPP_TYPE_VIS tuple_element<_Ip, const array<_Tp, _Size> >
 {
 public:
     typedef const _Tp type;
@@ -310,6 +310,7 @@ _LIBCPP_INLINE_VISIBILITY inline
 _Tp&
 get(array<_Tp, _Size>& __a) _NOEXCEPT
 {
+    static_assert(_Ip < _Size, "Index out of bounds in std::get<> (std::array)");
     return __a[_Ip];
 }
 
@@ -318,6 +319,7 @@ _LIBCPP_INLINE_VISIBILITY inline
 const _Tp&
 get(const array<_Tp, _Size>& __a) _NOEXCEPT
 {
+    static_assert(_Ip < _Size, "Index out of bounds in std::get<> (const std::array)");
     return __a[_Ip];
 }
 
@@ -328,6 +330,7 @@ _LIBCPP_INLINE_VISIBILITY inline
 _Tp&&
 get(array<_Tp, _Size>&& __a) _NOEXCEPT
 {
+    static_assert(_Ip < _Size, "Index out of bounds in std::get<> (std::array &&)");
     return _VSTD::move(__a[_Ip]);
 }
 

include/atomic

@@ -33,6 +33,7 @@ template <class T> T kill_dependency(T y) noexcept;
 
 // lock-free property
 
+#define ATOMIC_BOOL_LOCK_FREE unspecified
 #define ATOMIC_CHAR_LOCK_FREE unspecified
 #define ATOMIC_CHAR16_T_LOCK_FREE unspecified
 #define ATOMIC_CHAR32_T_LOCK_FREE unspecified
@@ -41,6 +42,7 @@ template <class T> T kill_dependency(T y) noexcept;
 #define ATOMIC_INT_LOCK_FREE unspecified
 #define ATOMIC_LONG_LOCK_FREE unspecified
 #define ATOMIC_LLONG_LOCK_FREE unspecified
+#define ATOMIC_POINTER_LOCK_FREE unspecified
 
 // flag type and operations
 
@@ -472,6 +474,7 @@ template <class T>
 
 // Atomics for standard typedef types
 
+typedef atomic<bool>               atomic_bool;
 typedef atomic<char>               atomic_char;
 typedef atomic<signed char>        atomic_schar;
 typedef atomic<unsigned char>      atomic_uchar;
@@ -619,7 +622,12 @@ struct __atomic_base  // false
         {return __c11_atomic_compare_exchange_strong(&__a_, &__e, __d, __m, __m);}
 
     _LIBCPP_INLINE_VISIBILITY
-    __atomic_base() _NOEXCEPT {} // = default;
+#ifndef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
+    __atomic_base() _NOEXCEPT = default;
+#else
+    __atomic_base() _NOEXCEPT : __a_() {}
+#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
+
     _LIBCPP_INLINE_VISIBILITY
     _LIBCPP_CONSTEXPR __atomic_base(_Tp __d) _NOEXCEPT : __a_(__d) {}
 #ifndef _LIBCPP_HAS_NO_DELETED_FUNCTIONS
@@ -642,7 +650,7 @@ struct __atomic_base<_Tp, true>
 {
     typedef __atomic_base<_Tp, false> __base;
     _LIBCPP_INLINE_VISIBILITY
-    __atomic_base() _NOEXCEPT {} // = default;
+    __atomic_base() _NOEXCEPT _LIBCPP_DEFAULT
     _LIBCPP_INLINE_VISIBILITY
     _LIBCPP_CONSTEXPR __atomic_base(_Tp __d) _NOEXCEPT : __base(__d) {}
 
@@ -723,7 +731,7 @@ struct atomic
 {
     typedef __atomic_base<_Tp> __base;
     _LIBCPP_INLINE_VISIBILITY
-    atomic() _NOEXCEPT {} // = default;
+    atomic() _NOEXCEPT _LIBCPP_DEFAULT
     _LIBCPP_INLINE_VISIBILITY
     _LIBCPP_CONSTEXPR atomic(_Tp __d) _NOEXCEPT : __base(__d) {}
 
@@ -743,7 +751,7 @@ struct atomic<_Tp*>
 {
     typedef __atomic_base<_Tp*> __base;
     _LIBCPP_INLINE_VISIBILITY
-    atomic() _NOEXCEPT {} // = default;
+    atomic() _NOEXCEPT _LIBCPP_DEFAULT
     _LIBCPP_INLINE_VISIBILITY
     _LIBCPP_CONSTEXPR atomic(_Tp* __d) _NOEXCEPT : __base(__d) {}
 
@@ -1364,7 +1372,12 @@ typedef struct atomic_flag
         {__c11_atomic_store(&__a_, false, __m);}
 
     _LIBCPP_INLINE_VISIBILITY
-    atomic_flag() _NOEXCEPT {} // = default;
+#ifndef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
+    atomic_flag() _NOEXCEPT = default;
+#else
+    atomic_flag() _NOEXCEPT : __a_() {}
+#endif // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
+
     _LIBCPP_INLINE_VISIBILITY
     atomic_flag(bool __b) _NOEXCEPT : __a_(__b) {}
 
@@ -1454,6 +1467,7 @@ atomic_signal_fence(memory_order __m) _NOEXCEPT
 
 // Atomics for standard typedef types
 
+typedef atomic<bool>               atomic_bool;
 typedef atomic<char>               atomic_char;
 typedef atomic<signed char>        atomic_schar;
 typedef atomic<unsigned char>      atomic_uchar;
@@ -1499,14 +1513,16 @@ typedef atomic<uintmax_t> atomic_uintmax_t;
 
 // lock-free property
 
-#define ATOMIC_CHAR_LOCK_FREE 0
-#define ATOMIC_CHAR16_T_LOCK_FREE 0
-#define ATOMIC_CHAR32_T_LOCK_FREE 0
-#define ATOMIC_WCHAR_T_LOCK_FREE 0
-#define ATOMIC_SHORT_LOCK_FREE 0
-#define ATOMIC_INT_LOCK_FREE 0
-#define ATOMIC_LONG_LOCK_FREE 0
-#define ATOMIC_LLONG_LOCK_FREE 0
+#define ATOMIC_BOOL_LOCK_FREE      __GCC_ATOMIC_BOOL_LOCK_FREE
+#define ATOMIC_CHAR_LOCK_FREE      __GCC_ATOMIC_CHAR_LOCK_FREE
+#define ATOMIC_CHAR16_T_LOCK_FREE  __GCC_ATOMIC_CHAR16_T_LOCK_FREE
+#define ATOMIC_CHAR32_T_LOCK_FREE  __GCC_ATOMIC_CHAR32_T_LOCK_FREE
+#define ATOMIC_WCHAR_T_LOCK_FREE   __GCC_ATOMIC_WCHAR_T_LOCK_FREE
+#define ATOMIC_SHORT_LOCK_FREE     __GCC_ATOMIC_SHORT_LOCK_FREE
+#define ATOMIC_INT_LOCK_FREE       __GCC_ATOMIC_INT_LOCK_FREE
+#define ATOMIC_LONG_LOCK_FREE      __GCC_ATOMIC_LONG_LOCK_FREE
+#define ATOMIC_LLONG_LOCK_FREE     __GCC_ATOMIC_LLONG_LOCK_FREE
+#define ATOMIC_POINTER_LOCK_FREE   __GCC_ATOMIC_POINTER_LOCK_FREE
 
 #endif  //  !__has_feature(cxx_atomic)
 

include/bitset

@@ -249,7 +249,13 @@ inline _LIBCPP_INLINE_VISIBILITY
 _LIBCPP_CONSTEXPR
 __bitset<_N_words, _Size>::__bitset(unsigned long long __v) _NOEXCEPT
 #ifndef _LIBCPP_HAS_NO_CONSTEXPR
+#if __SIZE_WIDTH__ == 64
     : __first_{__v}
+#elif __SIZE_WIDTH__ == 32
+    : __first_{__v, __v >> __bits_per_word}
+#else
+#error This constructor has not been ported to this platform
+#endif
 #endif
 {
 #ifdef _LIBCPP_HAS_NO_CONSTEXPR
@@ -626,13 +632,14 @@ __bitset<0, 0>::__bitset(unsigned long long) _NOEXCEPT
 {
 }
 
-template <size_t _Size> class _LIBCPP_VISIBLE bitset;
-template <size_t _Size> struct hash<bitset<_Size> >;
+template <size_t _Size> class _LIBCPP_TYPE_VIS bitset;
+template <size_t _Size> struct _LIBCPP_TYPE_VIS hash<bitset<_Size> >;
 
 template <size_t _Size>
-class _LIBCPP_VISIBLE bitset
+class _LIBCPP_TYPE_VIS bitset
     : private __bitset<_Size == 0 ? 0 : (_Size - 1) / (sizeof(size_t) * CHAR_BIT) + 1, _Size>
 {
+public:
     static const unsigned __n_words = _Size == 0 ? 0 : (_Size - 1) / (sizeof(size_t) * CHAR_BIT) + 1;
     typedef __bitset<__n_words, _Size> base;
 
@@ -1053,7 +1060,7 @@ operator^(const bitset<_Size>& __x, const bitset<_Size>& __y) _NOEXCEPT
 }
 
 template <size_t _Size>
-struct _LIBCPP_VISIBLE hash<bitset<_Size> >
+struct _LIBCPP_TYPE_VIS hash<bitset<_Size> >
     : public unary_function<bitset<_Size>, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY

include/chrono

@@ -279,7 +279,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 namespace chrono
 {
 
-template <class _Rep, class _Period = ratio<1> > class _LIBCPP_VISIBLE duration;
+template <class _Rep, class _Period = ratio<1> > class _LIBCPP_TYPE_VIS duration;
 
 template <class _Tp>
 struct __is_duration : false_type {};
@@ -299,7 +299,7 @@ struct __is_duration<const volatile duration<_Rep, _Period> > : true_type  {};
 } // chrono
 
 template <class _Rep1, class _Period1, class _Rep2, class _Period2>
-struct _LIBCPP_VISIBLE common_type<chrono::duration<_Rep1, _Period1>,
+struct _LIBCPP_TYPE_VIS common_type<chrono::duration<_Rep1, _Period1>,
                                    chrono::duration<_Rep2, _Period2> >
 {
     typedef chrono::duration<typename common_type<_Rep1, _Rep2>::type,
@@ -377,10 +377,10 @@ duration_cast(const duration<_Rep, _Period>& __fd)
 }
 
 template <class _Rep>
-struct _LIBCPP_VISIBLE treat_as_floating_point : is_floating_point<_Rep> {};
+struct _LIBCPP_TYPE_VIS treat_as_floating_point : is_floating_point<_Rep> {};
 
 template <class _Rep>
-struct _LIBCPP_VISIBLE duration_values
+struct _LIBCPP_TYPE_VIS duration_values
 {
 public:
     _LIBCPP_INLINE_VISIBILITY static _LIBCPP_CONSTEXPR _Rep zero() {return _Rep(0);}
@@ -391,7 +391,7 @@ public:
 // duration
 
 template <class _Rep, class _Period>
-class _LIBCPP_VISIBLE duration
+class _LIBCPP_TYPE_VIS duration
 {
     static_assert(!__is_duration<_Rep>::value, "A duration representation can not be a duration");
     static_assert(__is_ratio<_Period>::value, "Second template parameter of duration must be a std::ratio");
@@ -696,7 +696,7 @@ operator%(const duration<_Rep1, _Period1>& __lhs, const duration<_Rep2, _Period2
 //////////////////////////////////////////////////////////
 
 template <class _Clock, class _Duration = typename _Clock::duration>
-class _LIBCPP_VISIBLE time_point
+class _LIBCPP_TYPE_VIS time_point
 {
     static_assert(__is_duration<_Duration>::value,
                   "Second template parameter of time_point must be a std::chrono::duration");
@@ -740,7 +740,7 @@ public:
 } // chrono
 
 template <class _Clock, class _Duration1, class _Duration2>
-struct _LIBCPP_VISIBLE common_type<chrono::time_point<_Clock, _Duration1>,
+struct _LIBCPP_TYPE_VIS common_type<chrono::time_point<_Clock, _Duration1>,
                                    chrono::time_point<_Clock, _Duration2> >
 {
     typedef chrono::time_point<_Clock, typename common_type<_Duration1, _Duration2>::type> type;
@@ -863,7 +863,7 @@ operator-(const time_point<_Clock, _Duration1>& __lhs, const time_point<_Clock,
 /////////////////////// clocks ///////////////////////////
 //////////////////////////////////////////////////////////
 
-class _LIBCPP_VISIBLE system_clock
+class _LIBCPP_TYPE_VIS system_clock
 {
 public:
     typedef microseconds                     duration;
@@ -877,7 +877,7 @@ public:
     static time_point from_time_t(time_t __t) _NOEXCEPT;
 };
 
-class _LIBCPP_VISIBLE steady_clock
+class _LIBCPP_TYPE_VIS steady_clock
 {
 public:
     typedef nanoseconds                                   duration;

include/cmath

@@ -137,21 +137,21 @@ long double    tanhl(long double x);
 
 //  C99
 
-bool signbit(floating_point x);
+bool signbit(arithmetic x);
 
-int fpclassify(floating_point x);
+int fpclassify(arithmetic x);
 
-bool isfinite(floating_point x);
-bool isinf(floating_point x);
-bool isnan(floating_point x);
-bool isnormal(floating_point x);
+bool isfinite(arithmetic x);
+bool isinf(arithmetic x);
+bool isnan(arithmetic x);
+bool isnormal(arithmetic x);
 
-bool isgreater(floating_point x, floating_point y);
-bool isgreaterequal(floating_point x, floating_point y);
-bool isless(floating_point x, floating_point y);
-bool islessequal(floating_point x, floating_point y);
-bool islessgreater(floating_point x, floating_point y);
-bool isunordered(floating_point x, floating_point y);
+bool isgreater(arithmetic x, arithmetic y);
+bool isgreaterequal(arithmetic x, arithmetic y);
+bool isless(arithmetic x, arithmetic y);
+bool islessequal(arithmetic x, arithmetic y);
+bool islessgreater(arithmetic x, arithmetic y);
+bool isunordered(arithmetic x, arithmetic y);
 
 floating_point acosh (arithmetic x);
 float          acoshf(float x);
@@ -325,10 +325,10 @@ __libcpp_signbit(_A1 __x) _NOEXCEPT
 
 template <class _A1>
 inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
+typename std::enable_if<std::is_arithmetic<_A1>::value, bool>::type
 signbit(_A1 __x) _NOEXCEPT
 {
-    return __libcpp_signbit(__x);
+    return __libcpp_signbit((typename std::__promote<_A1>::type)__x);
 }
 
 #endif  // signbit
@@ -349,10 +349,10 @@ __libcpp_fpclassify(_A1 __x) _NOEXCEPT
 
 template <class _A1>
 inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if<std::is_floating_point<_A1>::value, int>::type
+typename std::enable_if<std::is_arithmetic<_A1>::value, int>::type
 fpclassify(_A1 __x) _NOEXCEPT
 {
-    return __libcpp_fpclassify(__x);
+    return __libcpp_fpclassify((typename std::__promote<_A1>::type)__x);
 }
 
 #endif  // fpclassify
@@ -373,10 +373,10 @@ __libcpp_isfinite(_A1 __x) _NOEXCEPT
 
 template <class _A1>
 inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
+typename std::enable_if<std::is_arithmetic<_A1>::value, bool>::type
 isfinite(_A1 __x) _NOEXCEPT
 {
-    return __libcpp_isfinite(__x);
+    return __libcpp_isfinite((typename std::__promote<_A1>::type)__x);
 }
 
 #endif  // isfinite
@@ -397,10 +397,10 @@ __libcpp_isinf(_A1 __x) _NOEXCEPT
 
 template <class _A1>
 inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
+typename std::enable_if<std::is_arithmetic<_A1>::value, bool>::type
 isinf(_A1 __x) _NOEXCEPT
 {
-    return __libcpp_isinf(__x);
+    return __libcpp_isinf((typename std::__promote<_A1>::type)__x);
 }
 
 #endif  // isinf
@@ -421,10 +421,10 @@ __libcpp_isnan(_A1 __x) _NOEXCEPT
 
 template <class _A1>
 inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
+typename std::enable_if<std::is_arithmetic<_A1>::value, bool>::type
 isnan(_A1 __x) _NOEXCEPT
 {
-    return __libcpp_isnan(__x);
+    return __libcpp_isnan((typename std::__promote<_A1>::type)__x);
 }
 
 #endif  // isnan
@@ -445,10 +445,10 @@ __libcpp_isnormal(_A1 __x) _NOEXCEPT
 
 template <class _A1>
 inline _LIBCPP_INLINE_VISIBILITY
-typename std::enable_if<std::is_floating_point<_A1>::value, bool>::type
+typename std::enable_if<std::is_arithmetic<_A1>::value, bool>::type
 isnormal(_A1 __x) _NOEXCEPT
 {
-    return __libcpp_isnormal(__x);
+    return __libcpp_isnormal((typename std::__promote<_A1>::type)__x);
 }
 
 #endif  // isnormal
@@ -471,13 +471,14 @@ 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,
+    std::is_arithmetic<_A1>::value &&
+    std::is_arithmetic<_A2>::value,
     bool
 >::type
 isgreater(_A1 __x, _A2 __y) _NOEXCEPT
 {
-    return __libcpp_isgreater(__x, __y);
+    typedef typename std::__promote<_A1, _A2>::type type;
+    return __libcpp_isgreater((type)__x, (type)__y);
 }
 
 #endif  // isgreater
@@ -500,13 +501,14 @@ 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,
+    std::is_arithmetic<_A1>::value &&
+    std::is_arithmetic<_A2>::value,
     bool
 >::type
 isgreaterequal(_A1 __x, _A2 __y) _NOEXCEPT
 {
-    return __libcpp_isgreaterequal(__x, __y);
+    typedef typename std::__promote<_A1, _A2>::type type;
+    return __libcpp_isgreaterequal((type)__x, (type)__y);
 }
 
 #endif  // isgreaterequal
@@ -529,13 +531,14 @@ 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,
+    std::is_arithmetic<_A1>::value &&
+    std::is_arithmetic<_A2>::value,
     bool
 >::type
 isless(_A1 __x, _A2 __y) _NOEXCEPT
 {
-    return __libcpp_isless(__x, __y);
+    typedef typename std::__promote<_A1, _A2>::type type;
+    return __libcpp_isless((type)__x, (type)__y);
 }
 
 #endif  // isless
@@ -558,13 +561,14 @@ 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,
+    std::is_arithmetic<_A1>::value &&
+    std::is_arithmetic<_A2>::value,
     bool
 >::type
 islessequal(_A1 __x, _A2 __y) _NOEXCEPT
 {
-    return __libcpp_islessequal(__x, __y);
+    typedef typename std::__promote<_A1, _A2>::type type;
+    return __libcpp_islessequal((type)__x, (type)__y);
 }
 
 #endif  // islessequal
@@ -587,13 +591,14 @@ 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,
+    std::is_arithmetic<_A1>::value &&
+    std::is_arithmetic<_A2>::value,
     bool
 >::type
 islessgreater(_A1 __x, _A2 __y) _NOEXCEPT
 {
-    return __libcpp_islessgreater(__x, __y);
+    typedef typename std::__promote<_A1, _A2>::type type;
+    return __libcpp_islessgreater((type)__x, (type)__y);
 }
 
 #endif  // islessgreater
@@ -616,13 +621,14 @@ 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,
+    std::is_arithmetic<_A1>::value &&
+    std::is_arithmetic<_A2>::value,
     bool
 >::type
 isunordered(_A1 __x, _A2 __y) _NOEXCEPT
 {
-    return __libcpp_isunordered(__x, __y);
+    typedef typename std::__promote<_A1, _A2>::type type;
+    return __libcpp_isunordered((type)__x, (type)__y);
 }
 
 #endif  // isunordered

include/codecvt

@@ -179,7 +179,7 @@ protected:
 
 template <class _Elem, unsigned long _Maxcode = 0x10ffff,
           codecvt_mode _Mode = (codecvt_mode)0>
-class _LIBCPP_VISIBLE codecvt_utf8
+class _LIBCPP_TYPE_VIS codecvt_utf8
     : public __codecvt_utf8<_Elem>
 {
 public:
@@ -407,7 +407,7 @@ protected:
 
 template <class _Elem, unsigned long _Maxcode = 0x10ffff,
           codecvt_mode _Mode = (codecvt_mode)0>
-class _LIBCPP_VISIBLE codecvt_utf16
+class _LIBCPP_TYPE_VIS codecvt_utf16
     : public __codecvt_utf16<_Elem, _Mode & little_endian>
 {
 public:
@@ -530,7 +530,7 @@ protected:
 
 template <class _Elem, unsigned long _Maxcode = 0x10ffff,
           codecvt_mode _Mode = (codecvt_mode)0>
-class _LIBCPP_VISIBLE codecvt_utf8_utf16
+class _LIBCPP_TYPE_VIS codecvt_utf8_utf16
     : public __codecvt_utf8_utf16<_Elem>
 {
 public:

include/complex

@@ -255,13 +255,13 @@ template<class T, class charT, class traits>
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template<class _Tp> class _LIBCPP_VISIBLE complex;
+template<class _Tp> class _LIBCPP_TYPE_VIS complex;
 
 template<class _Tp> complex<_Tp> operator*(const complex<_Tp>& __z, const complex<_Tp>& __w);
 template<class _Tp> complex<_Tp> operator/(const complex<_Tp>& __x, const complex<_Tp>& __y);
 
 template<class _Tp>
-class _LIBCPP_VISIBLE complex
+class _LIBCPP_TYPE_VIS complex
 {
 public:
     typedef _Tp value_type;
@@ -319,11 +319,11 @@ public:
         }
 };
 
-template<> class _LIBCPP_VISIBLE complex<double>;
-template<> class _LIBCPP_VISIBLE complex<long double>;
+template<> class _LIBCPP_TYPE_VIS complex<double>;
+template<> class _LIBCPP_TYPE_VIS complex<long double>;
 
 template<>
-class _LIBCPP_VISIBLE complex<float>
+class _LIBCPP_TYPE_VIS complex<float>
 {
     float __re_;
     float __im_;
@@ -379,7 +379,7 @@ public:
 };
 
 template<>
-class _LIBCPP_VISIBLE complex<double>
+class _LIBCPP_TYPE_VIS complex<double>
 {
     double __re_;
     double __im_;
@@ -435,7 +435,7 @@ public:
 };
 
 template<>
-class _LIBCPP_VISIBLE complex<long double>
+class _LIBCPP_TYPE_VIS complex<long double>
 {
     long double __re_;
     long double __im_;

include/condition_variable

@@ -117,7 +117,7 @@ public:
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-class _LIBCPP_VISIBLE condition_variable_any
+class _LIBCPP_TYPE_VIS condition_variable_any
 {
     condition_variable __cv_;
     shared_ptr<mutex>  __mut_;
@@ -248,7 +248,7 @@ condition_variable_any::wait_for(_Lock& __lock,
                       _VSTD::move(__pred));
 }
 
-_LIBCPP_VISIBLE
+_LIBCPP_FUNC_VIS
 void notify_all_at_thread_exit(condition_variable& cond, unique_lock<mutex> lk);
 
 _LIBCPP_END_NAMESPACE_STD

include/cstddef

@@ -56,7 +56,7 @@ typedef long double max_align_t;
 
 #ifdef _LIBCPP_HAS_NO_NULLPTR
 
-struct _LIBCPP_VISIBLE nullptr_t
+struct _LIBCPP_TYPE_VIS nullptr_t
 {
     void* __lx;
 

include/cstdlib

@@ -97,18 +97,26 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 using ::size_t;
 using ::div_t;
 using ::ldiv_t;
+#ifndef _LIBCPP_HAS_NO_LONG_LONG
 using ::lldiv_t;
+#endif // _LIBCPP_HAS_NO_LONG_LONG
 using ::atof;
 using ::atoi;
 using ::atol;
+#ifndef _LIBCPP_HAS_NO_LONG_LONG
 using ::atoll;
+#endif // _LIBCPP_HAS_NO_LONG_LONG
 using ::strtod;
 using ::strtof;
 using ::strtold;
 using ::strtol;
+#ifndef _LIBCPP_HAS_NO_LONG_LONG
 using ::strtoll;
+#endif // _LIBCPP_HAS_NO_LONG_LONG
 using ::strtoul;
+#ifndef _LIBCPP_HAS_NO_LONG_LONG
 using ::strtoull;
+#endif // _LIBCPP_HAS_NO_LONG_LONG
 using ::rand;
 using ::srand;
 using ::calloc;
@@ -125,10 +133,14 @@ using ::bsearch;
 using ::qsort;
 using ::abs;
 using ::labs;
+#ifndef _LIBCPP_HAS_NO_LONG_LONG
 using ::llabs;
+#endif // _LIBCPP_HAS_NO_LONG_LONG
 using ::div;
 using ::ldiv;
+#ifndef _LIBCPP_HAS_NO_LONG_LONG
 using ::lldiv;
+#endif // _LIBCPP_HAS_NO_LONG_LONG
 using ::mblen;
 using ::mbtowc;
 using ::wctomb;
@@ -145,10 +157,14 @@ using ::aligned_alloc;
 // MSVC already has the correct prototype in <stdlib.h.h> #ifdef __cplusplus
 #if !defined(_MSC_VER) && !defined(__sun__)
 inline _LIBCPP_INLINE_VISIBILITY long      abs(     long __x) _NOEXCEPT {return  labs(__x);}
+#ifndef _LIBCPP_HAS_NO_LONG_LONG
 inline _LIBCPP_INLINE_VISIBILITY long long abs(long long __x) _NOEXCEPT {return llabs(__x);}
+#endif // _LIBCPP_HAS_NO_LONG_LONG
 
 inline _LIBCPP_INLINE_VISIBILITY  ldiv_t div(     long __x,      long __y) _NOEXCEPT {return  ldiv(__x, __y);}
+#ifndef _LIBCPP_HAS_NO_LONG_LONG
 inline _LIBCPP_INLINE_VISIBILITY lldiv_t div(long long __x, long long __y) _NOEXCEPT {return lldiv(__x, __y);}
+#endif // _LIBCPP_HAS_NO_LONG_LONG
 #endif // _MSC_VER
 
 _LIBCPP_END_NAMESPACE_STD

include/cstring

@@ -94,7 +94,7 @@ using ::strspn;
 using ::strstr;
 
 // MSVC, GNU libc and its derivates already have the correct prototype in <string.h> #ifdef __cplusplus
-#if !defined(__GLIBC__) && !defined(_MSC_VER) && !defined(__sun__)
+#if !defined(__GLIBC__) && !defined(_MSC_VER) && !defined(__sun__) && !defined(_STRING_H_CPLUSPLUS_98_CONFORMANCE_)
 inline _LIBCPP_INLINE_VISIBILITY       char* strchr(      char* __s, int __c) {return ::strchr(__s, __c);}
 inline _LIBCPP_INLINE_VISIBILITY       char* strpbrk(      char* __s1, const char* __s2) {return ::strpbrk(__s1, __s2);}
 inline _LIBCPP_INLINE_VISIBILITY       char* strrchr(      char* __s, int __c) {return ::strrchr(__s, __c);}

include/cwchar

@@ -106,7 +106,7 @@ size_t wcsrtombs(char* restrict dst, const wchar_t** restrict src, size_t len,
 #include <__config>
 #include <cwctype>
 #include <wchar.h>
-#if _WIN32
+#ifdef _WIN32
 #include <support/win32/support.h> // pull in *swprintf defines
 #endif // _WIN32
 
@@ -151,9 +151,13 @@ using ::wcstof;
 using ::wcstold;
 #endif // _MSC_VER
 using ::wcstol;
+#ifndef _LIBCPP_HAS_NO_LONG_LONG
 using ::wcstoll;
+#endif // _LIBCPP_HAS_NO_LONG_LONG
 using ::wcstoul;
+#ifndef _LIBCPP_HAS_NO_LONG_LONG
 using ::wcstoull;
+#endif // _LIBCPP_HAS_NO_LONG_LONG
 using ::wcscpy;
 using ::wcsncpy;
 using ::wcscat;
@@ -163,28 +167,37 @@ using ::wcscoll;
 using ::wcsncmp;
 using ::wcsxfrm;
 
+#if defined(_WCHAR_H_CPLUSPLUS_98_CONFORMANCE_)
+
+using ::wcschr;
+using ::wcspbrk;
+using ::wcsrchr;
+using ::wcsstr;
+using ::wmemchr;
+
+#else
+
 inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wcschr(const wchar_t* __s, wchar_t __c) {return ::wcschr(__s, __c);}
 inline _LIBCPP_INLINE_VISIBILITY       wchar_t* wcschr(      wchar_t* __s, wchar_t __c) {return ::wcschr(__s, __c);}
 
-using ::wcscspn;
-using ::wcslen;
-
 inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wcspbrk(const wchar_t* __s1, const wchar_t* __s2) {return ::wcspbrk(__s1, __s2);}
 inline _LIBCPP_INLINE_VISIBILITY       wchar_t* wcspbrk(      wchar_t* __s1, const wchar_t* __s2) {return ::wcspbrk(__s1, __s2);}
 
 inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wcsrchr(const wchar_t* __s, wchar_t __c) {return ::wcsrchr(__s, __c);}
 inline _LIBCPP_INLINE_VISIBILITY       wchar_t* wcsrchr(      wchar_t* __s, wchar_t __c) {return ::wcsrchr(__s, __c);}
 
-using ::wcsspn;
-
 inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wcsstr(const wchar_t* __s1, const wchar_t* __s2) {return ::wcsstr(__s1, __s2);}
 inline _LIBCPP_INLINE_VISIBILITY       wchar_t* wcsstr(      wchar_t* __s1, const wchar_t* __s2) {return ::wcsstr(__s1, __s2);}
 
-using ::wcstok;
-
 inline _LIBCPP_INLINE_VISIBILITY const wchar_t* wmemchr(const wchar_t* __s, wchar_t __c, size_t __n) {return ::wmemchr(__s, __c, __n);}
 inline _LIBCPP_INLINE_VISIBILITY       wchar_t* wmemchr(      wchar_t* __s, wchar_t __c, size_t __n) {return ::wmemchr(__s, __c, __n);}
 
+#endif
+
+using ::wcscspn;
+using ::wcslen;
+using ::wcsspn;
+using ::wcstok;
 using ::wmemcmp;
 using ::wmemcpy;
 using ::wmemmove;

include/deque

@@ -170,7 +170,7 @@ template <class _Tp, class _Allocator> class __deque_base;
 
 template <class _ValueType, class _Pointer, class _Reference, class _MapPointer,
           class _DiffType, _DiffType _BlockSize>
-class _LIBCPP_VISIBLE __deque_iterator;
+class _LIBCPP_TYPE_VIS __deque_iterator;
 
 template <class _RAIter,
           class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
@@ -262,7 +262,7 @@ move_backward(__deque_iterator<_V1, _P1, _R1, _M1, _D1, _B1> __f,
 
 template <class _ValueType, class _Pointer, class _Reference, class _MapPointer,
           class _DiffType, _DiffType _BlockSize>
-class _LIBCPP_VISIBLE __deque_iterator
+class _LIBCPP_TYPE_VIS __deque_iterator
 {
     typedef _MapPointer __map_iterator;
 public:
@@ -410,9 +410,9 @@ private:
         : __m_iter_(__m), __ptr_(__p) {}
 
     template <class _Tp, class _Ap> friend class __deque_base;
-    template <class _Tp, class _Ap> friend class _LIBCPP_VISIBLE deque;
+    template <class _Tp, class _Ap> friend class _LIBCPP_TYPE_VIS deque;
     template <class _Vp, class _Pp, class _Rp, class _MP, class _Dp, _Dp>
-        friend class _LIBCPP_VISIBLE __deque_iterator;
+        friend class _LIBCPP_TYPE_VIS __deque_iterator;
 
     template <class _RAIter,
               class _V2, class _P2, class _R2, class _M2, class _D2, _D2 _B2>
@@ -1167,7 +1167,7 @@ __deque_base<_Tp, _Allocator>::clear() _NOEXCEPT
 }
 
 template <class _Tp, class _Allocator = allocator<_Tp> >
-class _LIBCPP_VISIBLE deque
+class _LIBCPP_TYPE_VIS deque
     : private __deque_base<_Tp, _Allocator>
 {
 public:

include/exception

@@ -105,23 +105,23 @@ public:
 };
 
 typedef void (*unexpected_handler)();
-_LIBCPP_VISIBLE unexpected_handler set_unexpected(unexpected_handler) _NOEXCEPT;
-_LIBCPP_VISIBLE unexpected_handler get_unexpected() _NOEXCEPT;
-_LIBCPP_NORETURN _LIBCPP_VISIBLE void unexpected();
+_LIBCPP_FUNC_VIS unexpected_handler set_unexpected(unexpected_handler) _NOEXCEPT;
+_LIBCPP_FUNC_VIS unexpected_handler get_unexpected() _NOEXCEPT;
+_LIBCPP_NORETURN _LIBCPP_FUNC_VIS void unexpected();
 
 typedef void (*terminate_handler)();
-_LIBCPP_VISIBLE terminate_handler set_terminate(terminate_handler) _NOEXCEPT;
-_LIBCPP_VISIBLE terminate_handler get_terminate() _NOEXCEPT;
-_LIBCPP_NORETURN _LIBCPP_VISIBLE void terminate() _NOEXCEPT;
+_LIBCPP_FUNC_VIS terminate_handler set_terminate(terminate_handler) _NOEXCEPT;
+_LIBCPP_FUNC_VIS terminate_handler get_terminate() _NOEXCEPT;
+_LIBCPP_NORETURN _LIBCPP_FUNC_VIS void terminate() _NOEXCEPT;
 
-_LIBCPP_VISIBLE bool uncaught_exception() _NOEXCEPT;
+_LIBCPP_FUNC_VIS bool uncaught_exception() _NOEXCEPT;
 
-class _LIBCPP_VISIBLE exception_ptr;
+class _LIBCPP_TYPE_VIS exception_ptr;
 
 exception_ptr current_exception() _NOEXCEPT;
 _LIBCPP_NORETURN void rethrow_exception(exception_ptr);
 
-class _LIBCPP_VISIBLE exception_ptr
+class _LIBCPP_TYPE_VIS exception_ptr
 {
     void* __ptr_;
 public:
@@ -143,7 +143,7 @@ public:
         {return !(__x == __y);}
 
     friend exception_ptr current_exception() _NOEXCEPT;
-    _LIBCPP_NORETURN friend void rethrow_exception(exception_ptr);
+    friend void rethrow_exception(exception_ptr);
 };
 
 template<class _Ep>

include/ext/__hash

@@ -19,10 +19,10 @@
 namespace __gnu_cxx {
 using namespace std;
 
-template <typename T> struct _LIBCPP_VISIBLE hash : public std::hash<T>
+template <typename T> struct _LIBCPP_TYPE_VIS hash : public std::hash<T>
     { };
 
-template <> struct _LIBCPP_VISIBLE hash<const char*>
+template <> struct _LIBCPP_TYPE_VIS hash<const char*>
     : public unary_function<const char*, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -32,7 +32,7 @@ template <> struct _LIBCPP_VISIBLE hash<const char*>
     }
 };
 
-template <> struct _LIBCPP_VISIBLE hash<char *>
+template <> struct _LIBCPP_TYPE_VIS hash<char *>
     : public unary_function<char*, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY

include/ext/hash_map

@@ -361,7 +361,7 @@ public:
 };
 
 template <class _HashIterator>
-class _LIBCPP_VISIBLE __hash_map_iterator
+class _LIBCPP_TYPE_VIS __hash_map_iterator
 {
     _HashIterator __i_;
 
@@ -404,15 +404,15 @@ public:
     bool operator!=(const __hash_map_iterator& __x, const __hash_map_iterator& __y)
         {return __x.__i_ != __y.__i_;}
 
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE hash_map;
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE hash_multimap;
-    template <class> friend class _LIBCPP_VISIBLE __hash_const_iterator;
-    template <class> friend class _LIBCPP_VISIBLE __hash_const_local_iterator;
-    template <class> friend class _LIBCPP_VISIBLE __hash_map_const_iterator;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS hash_map;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS hash_multimap;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_const_iterator;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_const_local_iterator;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_map_const_iterator;
 };
 
 template <class _HashIterator>
-class _LIBCPP_VISIBLE __hash_map_const_iterator
+class _LIBCPP_TYPE_VIS __hash_map_const_iterator
 {
     _HashIterator __i_;
 
@@ -463,15 +463,15 @@ public:
     bool operator!=(const __hash_map_const_iterator& __x, const __hash_map_const_iterator& __y)
         {return __x.__i_ != __y.__i_;}
 
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE hash_map;
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE hash_multimap;
-    template <class> friend class _LIBCPP_VISIBLE __hash_const_iterator;
-    template <class> friend class _LIBCPP_VISIBLE __hash_const_local_iterator;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS hash_map;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS hash_multimap;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_const_iterator;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_const_local_iterator;
 };
 
 template <class _Key, class _Tp, class _Hash = hash<_Key>, class _Pred = equal_to<_Key>,
           class _Alloc = allocator<pair<const _Key, _Tp> > >
-class _LIBCPP_VISIBLE hash_map
+class _LIBCPP_TYPE_VIS hash_map
 {
 public:
     // types
@@ -750,7 +750,7 @@ operator!=(const hash_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
 
 template <class _Key, class _Tp, class _Hash = hash<_Key>, class _Pred = equal_to<_Key>,
           class _Alloc = allocator<pair<const _Key, _Tp> > >
-class _LIBCPP_VISIBLE hash_multimap
+class _LIBCPP_TYPE_VIS hash_multimap
 {
 public:
     // types

include/ext/hash_set

@@ -208,7 +208,7 @@ using namespace std;
 
 template <class _Value, class _Hash = hash<_Value>, class _Pred = equal_to<_Value>,
           class _Alloc = allocator<_Value> >
-class _LIBCPP_VISIBLE hash_set
+class _LIBCPP_TYPE_VIS hash_set
 {
 public:
     // types
@@ -429,7 +429,7 @@ operator!=(const hash_set<_Value, _Hash, _Pred, _Alloc>& __x,
 
 template <class _Value, class _Hash = hash<_Value>, class _Pred = equal_to<_Value>,
           class _Alloc = allocator<_Value> >
-class _LIBCPP_VISIBLE hash_multiset
+class _LIBCPP_TYPE_VIS hash_multiset
 {
 public:
     // types

include/forward_list

@@ -212,11 +212,11 @@ struct __forward_list_node
     value_type __value_;
 };
 
-template<class _Tp, class _Alloc> class _LIBCPP_VISIBLE forward_list;
-template<class _NodeConstPtr> class _LIBCPP_VISIBLE __forward_list_const_iterator;
+template<class _Tp, class _Alloc> class _LIBCPP_TYPE_VIS forward_list;
+template<class _NodeConstPtr> class _LIBCPP_TYPE_VIS __forward_list_const_iterator;
 
 template <class _NodePtr>
-class _LIBCPP_VISIBLE __forward_list_iterator
+class _LIBCPP_TYPE_VIS __forward_list_iterator
 {
     typedef _NodePtr __node_pointer;
 
@@ -225,8 +225,8 @@ class _LIBCPP_VISIBLE __forward_list_iterator
     _LIBCPP_INLINE_VISIBILITY
     explicit __forward_list_iterator(__node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
 
-    template<class, class> friend class _LIBCPP_VISIBLE forward_list;
-    template<class> friend class _LIBCPP_VISIBLE __forward_list_const_iterator;
+    template<class, class> friend class _LIBCPP_TYPE_VIS forward_list;
+    template<class> friend class _LIBCPP_TYPE_VIS __forward_list_const_iterator;
 
 public:
     typedef forward_iterator_tag                              iterator_category;
@@ -276,7 +276,7 @@ public:
 };
 
 template <class _NodeConstPtr>
-class _LIBCPP_VISIBLE __forward_list_const_iterator
+class _LIBCPP_TYPE_VIS __forward_list_const_iterator
 {
     typedef _NodeConstPtr __node_const_pointer;
 
@@ -533,7 +533,7 @@ __forward_list_base<_Tp, _Alloc>::clear() _NOEXCEPT
 }
 
 template <class _Tp, class _Alloc = allocator<_Tp> >
-class _LIBCPP_VISIBLE forward_list
+class _LIBCPP_TYPE_VIS forward_list
     : private __forward_list_base<_Tp, _Alloc>
 {
     typedef __forward_list_base<_Tp, _Alloc> base;

include/fstream

@@ -180,7 +180,7 @@ typedef basic_fstream<wchar_t> wfstream;
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _CharT, class _Traits>
-class _LIBCPP_VISIBLE basic_filebuf
+class _LIBCPP_TYPE_VIS basic_filebuf
     : public basic_streambuf<_CharT, _Traits>
 {
 public:
@@ -807,9 +807,15 @@ basic_filebuf<_CharT, _Traits>::seekoff(off_type __off, ios_base::seekdir __way,
     default:
         return pos_type(off_type(-1));
     }
+#if _WIN32
+    if (fseek(__file_, __width > 0 ? __width * __off : 0, __whence))
+        return pos_type(off_type(-1));
+    pos_type __r = ftell(__file_);
+#else
     if (fseeko(__file_, __width > 0 ? __width * __off : 0, __whence))
         return pos_type(off_type(-1));
     pos_type __r = ftello(__file_);
+#endif
     __r.state(__st_);
     return __r;
 }
@@ -820,8 +826,13 @@ basic_filebuf<_CharT, _Traits>::seekpos(pos_type __sp, ios_base::openmode)
 {
     if (__file_ == 0 || sync())
         return pos_type(off_type(-1));
+#if _WIN32
+    if (fseek(__file_, __sp, SEEK_SET))
+        return pos_type(off_type(-1));
+#else
     if (fseeko(__file_, __sp, SEEK_SET))
         return pos_type(off_type(-1));
+#endif
     __st_ = __sp.state();
     return __sp;
 }
@@ -880,8 +891,13 @@ basic_filebuf<_CharT, _Traits>::sync()
                 }
             }
         }
+#if _WIN32
+        if (fseek(__file_, -__c, SEEK_CUR))
+            return -1;
+#else
         if (fseeko(__file_, -__c, SEEK_CUR))
             return -1;
+#endif
         if (__update_st)
             __st_ = __state;
         __extbufnext_ = __extbufend_ = __extbuf_;
@@ -978,7 +994,7 @@ basic_filebuf<_CharT, _Traits>::__write_mode()
 // basic_ifstream
 
 template <class _CharT, class _Traits>
-class _LIBCPP_VISIBLE basic_ifstream
+class _LIBCPP_TYPE_VIS basic_ifstream
     : public basic_istream<_CharT, _Traits>
 {
 public:
@@ -1123,7 +1139,7 @@ basic_ifstream<_CharT, _Traits>::close()
 // basic_ofstream
 
 template <class _CharT, class _Traits>
-class _LIBCPP_VISIBLE basic_ofstream
+class _LIBCPP_TYPE_VIS basic_ofstream
     : public basic_ostream<_CharT, _Traits>
 {
 public:
@@ -1268,7 +1284,7 @@ basic_ofstream<_CharT, _Traits>::close()
 // basic_fstream
 
 template <class _CharT, class _Traits>
-class _LIBCPP_VISIBLE basic_fstream
+class _LIBCPP_TYPE_VIS basic_fstream
     : public basic_iostream<_CharT, _Traits>
 {
 public:

include/functional

@@ -474,63 +474,63 @@ POLICY:  For non-variadic implementations, the number of arguments is limited
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE plus : binary_function<_Tp, _Tp, _Tp>
+struct _LIBCPP_TYPE_VIS plus : binary_function<_Tp, _Tp, _Tp>
 {
     _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const
         {return __x + __y;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE minus : binary_function<_Tp, _Tp, _Tp>
+struct _LIBCPP_TYPE_VIS minus : binary_function<_Tp, _Tp, _Tp>
 {
     _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const
         {return __x - __y;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE multiplies : binary_function<_Tp, _Tp, _Tp>
+struct _LIBCPP_TYPE_VIS multiplies : binary_function<_Tp, _Tp, _Tp>
 {
     _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const
         {return __x * __y;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE divides : binary_function<_Tp, _Tp, _Tp>
+struct _LIBCPP_TYPE_VIS divides : binary_function<_Tp, _Tp, _Tp>
 {
     _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const
         {return __x / __y;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE modulus : binary_function<_Tp, _Tp, _Tp>
+struct _LIBCPP_TYPE_VIS modulus : binary_function<_Tp, _Tp, _Tp>
 {
     _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const
         {return __x % __y;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE negate : unary_function<_Tp, _Tp>
+struct _LIBCPP_TYPE_VIS negate : unary_function<_Tp, _Tp>
 {
     _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x) const
         {return -__x;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE equal_to : binary_function<_Tp, _Tp, bool>
+struct _LIBCPP_TYPE_VIS equal_to : binary_function<_Tp, _Tp, bool>
 {
     _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const
         {return __x == __y;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE not_equal_to : binary_function<_Tp, _Tp, bool>
+struct _LIBCPP_TYPE_VIS not_equal_to : binary_function<_Tp, _Tp, bool>
 {
     _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const
         {return __x != __y;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE greater : binary_function<_Tp, _Tp, bool>
+struct _LIBCPP_TYPE_VIS greater : binary_function<_Tp, _Tp, bool>
 {
     _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const
         {return __x > __y;}
@@ -539,63 +539,63 @@ struct _LIBCPP_VISIBLE greater : binary_function<_Tp, _Tp, bool>
 // less in <__functional_base>
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE greater_equal : binary_function<_Tp, _Tp, bool>
+struct _LIBCPP_TYPE_VIS greater_equal : binary_function<_Tp, _Tp, bool>
 {
     _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const
         {return __x >= __y;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE less_equal : binary_function<_Tp, _Tp, bool>
+struct _LIBCPP_TYPE_VIS less_equal : binary_function<_Tp, _Tp, bool>
 {
     _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const
         {return __x <= __y;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE logical_and : binary_function<_Tp, _Tp, bool>
+struct _LIBCPP_TYPE_VIS logical_and : binary_function<_Tp, _Tp, bool>
 {
     _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const
         {return __x && __y;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE logical_or : binary_function<_Tp, _Tp, bool>
+struct _LIBCPP_TYPE_VIS logical_or : binary_function<_Tp, _Tp, bool>
 {
     _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x, const _Tp& __y) const
         {return __x || __y;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE logical_not : unary_function<_Tp, bool>
+struct _LIBCPP_TYPE_VIS logical_not : unary_function<_Tp, bool>
 {
     _LIBCPP_INLINE_VISIBILITY bool operator()(const _Tp& __x) const
         {return !__x;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE bit_and : binary_function<_Tp, _Tp, _Tp>
+struct _LIBCPP_TYPE_VIS bit_and : binary_function<_Tp, _Tp, _Tp>
 {
     _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const
         {return __x & __y;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE bit_or : binary_function<_Tp, _Tp, _Tp>
+struct _LIBCPP_TYPE_VIS bit_or : binary_function<_Tp, _Tp, _Tp>
 {
     _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const
         {return __x | __y;}
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE bit_xor : binary_function<_Tp, _Tp, _Tp>
+struct _LIBCPP_TYPE_VIS bit_xor : binary_function<_Tp, _Tp, _Tp>
 {
     _LIBCPP_INLINE_VISIBILITY _Tp operator()(const _Tp& __x, const _Tp& __y) const
         {return __x ^ __y;}
 };
 
 template <class _Predicate>
-class _LIBCPP_VISIBLE unary_negate
+class _LIBCPP_TYPE_VIS unary_negate
     : public unary_function<typename _Predicate::argument_type, bool>
 {
     _Predicate __pred_;
@@ -612,7 +612,7 @@ unary_negate<_Predicate>
 not1(const _Predicate& __pred) {return unary_negate<_Predicate>(__pred);}
 
 template <class _Predicate>
-class _LIBCPP_VISIBLE binary_negate
+class _LIBCPP_TYPE_VIS binary_negate
     : public binary_function<typename _Predicate::first_argument_type,
                              typename _Predicate::second_argument_type,
                              bool>
@@ -632,7 +632,7 @@ binary_negate<_Predicate>
 not2(const _Predicate& __pred) {return binary_negate<_Predicate>(__pred);}
 
 template <class __Operation>
-class _LIBCPP_VISIBLE binder1st
+class _LIBCPP_TYPE_VIS binder1st
     : public unary_function<typename __Operation::second_argument_type,
                             typename __Operation::result_type>
 {
@@ -658,7 +658,7 @@ bind1st(const __Operation& __op, const _Tp& __x)
     {return binder1st<__Operation>(__op, __x);}
 
 template <class __Operation>
-class _LIBCPP_VISIBLE binder2nd
+class _LIBCPP_TYPE_VIS binder2nd
     : public unary_function<typename __Operation::first_argument_type,
                             typename __Operation::result_type>
 {
@@ -684,7 +684,7 @@ bind2nd(const __Operation& __op, const _Tp& __x)
     {return binder2nd<__Operation>(__op, __x);}
 
 template <class _Arg, class _Result>
-class _LIBCPP_VISIBLE pointer_to_unary_function
+class _LIBCPP_TYPE_VIS pointer_to_unary_function
     : public unary_function<_Arg, _Result>
 {
     _Result (*__f_)(_Arg);
@@ -702,7 +702,7 @@ ptr_fun(_Result (*__f)(_Arg))
     {return pointer_to_unary_function<_Arg,_Result>(__f);}
 
 template <class _Arg1, class _Arg2, class _Result>
-class _LIBCPP_VISIBLE pointer_to_binary_function
+class _LIBCPP_TYPE_VIS pointer_to_binary_function
     : public binary_function<_Arg1, _Arg2, _Result>
 {
     _Result (*__f_)(_Arg1, _Arg2);
@@ -720,7 +720,7 @@ ptr_fun(_Result (*__f)(_Arg1,_Arg2))
     {return pointer_to_binary_function<_Arg1,_Arg2,_Result>(__f);}
 
 template<class _Sp, class _Tp>
-class _LIBCPP_VISIBLE mem_fun_t : public unary_function<_Tp*, _Sp>
+class _LIBCPP_TYPE_VIS mem_fun_t : public unary_function<_Tp*, _Sp>
 {
     _Sp (_Tp::*__p_)();
 public:
@@ -731,7 +731,7 @@ public:
 };
 
 template<class _Sp, class _Tp, class _Ap>
-class _LIBCPP_VISIBLE mem_fun1_t : public binary_function<_Tp*, _Ap, _Sp>
+class _LIBCPP_TYPE_VIS mem_fun1_t : public binary_function<_Tp*, _Ap, _Sp>
 {
     _Sp (_Tp::*__p_)(_Ap);
 public:
@@ -754,7 +754,7 @@ mem_fun(_Sp (_Tp::*__f)(_Ap))
     {return mem_fun1_t<_Sp,_Tp,_Ap>(__f);}
 
 template<class _Sp, class _Tp>
-class _LIBCPP_VISIBLE mem_fun_ref_t : public unary_function<_Tp, _Sp>
+class _LIBCPP_TYPE_VIS mem_fun_ref_t : public unary_function<_Tp, _Sp>
 {
     _Sp (_Tp::*__p_)();
 public:
@@ -765,7 +765,7 @@ public:
 };
 
 template<class _Sp, class _Tp, class _Ap>
-class _LIBCPP_VISIBLE mem_fun1_ref_t : public binary_function<_Tp, _Ap, _Sp>
+class _LIBCPP_TYPE_VIS mem_fun1_ref_t : public binary_function<_Tp, _Ap, _Sp>
 {
     _Sp (_Tp::*__p_)(_Ap);
 public:
@@ -788,7 +788,7 @@ mem_fun_ref(_Sp (_Tp::*__f)(_Ap))
     {return mem_fun1_ref_t<_Sp,_Tp,_Ap>(__f);}
 
 template <class _Sp, class _Tp>
-class _LIBCPP_VISIBLE const_mem_fun_t : public unary_function<const _Tp*, _Sp>
+class _LIBCPP_TYPE_VIS const_mem_fun_t : public unary_function<const _Tp*, _Sp>
 {
     _Sp (_Tp::*__p_)() const;
 public:
@@ -799,7 +799,7 @@ public:
 };
 
 template <class _Sp, class _Tp, class _Ap>
-class _LIBCPP_VISIBLE const_mem_fun1_t : public binary_function<const _Tp*, _Ap, _Sp>
+class _LIBCPP_TYPE_VIS const_mem_fun1_t : public binary_function<const _Tp*, _Ap, _Sp>
 {
     _Sp (_Tp::*__p_)(_Ap) const;
 public:
@@ -822,7 +822,7 @@ mem_fun(_Sp (_Tp::*__f)(_Ap) const)
     {return const_mem_fun1_t<_Sp,_Tp,_Ap>(__f);}
 
 template <class _Sp, class _Tp>
-class _LIBCPP_VISIBLE const_mem_fun_ref_t : public unary_function<_Tp, _Sp>
+class _LIBCPP_TYPE_VIS const_mem_fun_ref_t : public unary_function<_Tp, _Sp>
 {
     _Sp (_Tp::*__p_)() const;
 public:
@@ -833,7 +833,7 @@ public:
 };
 
 template <class _Sp, class _Tp, class _Ap>
-class _LIBCPP_VISIBLE const_mem_fun1_ref_t
+class _LIBCPP_TYPE_VIS const_mem_fun1_ref_t
     : public binary_function<_Tp, _Ap, _Sp>
 {
     _Sp (_Tp::*__p_)(_Ap) const;
@@ -932,7 +932,7 @@ class _LIBCPP_EXCEPTION_ABI bad_function_call
 {
 };
 
-template<class _Fp> class _LIBCPP_VISIBLE function; // undefined
+template<class _Fp> class _LIBCPP_TYPE_VIS function; // undefined
 
 namespace __function
 {
@@ -1083,12 +1083,12 @@ __func<_Fp, _Alloc, _Rp(_ArgTypes...)>::target_type() const _NOEXCEPT
 }  // __function
 
 template<class _Rp, class ..._ArgTypes>
-class _LIBCPP_VISIBLE function<_Rp(_ArgTypes...)>
+class _LIBCPP_TYPE_VIS function<_Rp(_ArgTypes...)>
     : public __function::__maybe_derive_from_unary_function<_Rp(_ArgTypes...)>,
       public __function::__maybe_derive_from_binary_function<_Rp(_ArgTypes...)>
 {
     typedef __function::__base<_Rp(_ArgTypes...)> __base;
-    aligned_storage<3*sizeof(void*)>::type __buf_;
+    typename aligned_storage<3*sizeof(void*)>::type __buf_;
     __base* __f_;
 
     template <class _Fp>
@@ -1496,11 +1496,11 @@ swap(function<_Rp(_ArgTypes...)>& __x, function<_Rp(_ArgTypes...)>& __y) _NOEXCE
 {return __x.swap(__y);}
 
 template<class _Tp> struct __is_bind_expression : public false_type {};
-template<class _Tp> struct _LIBCPP_VISIBLE is_bind_expression
+template<class _Tp> struct _LIBCPP_TYPE_VIS is_bind_expression
     : public __is_bind_expression<typename remove_cv<_Tp>::type> {};
 
 template<class _Tp> struct __is_placeholder : public integral_constant<int, 0> {};
-template<class _Tp> struct _LIBCPP_VISIBLE is_placeholder
+template<class _Tp> struct _LIBCPP_TYPE_VIS is_placeholder
     : public __is_placeholder<typename remove_cv<_Tp>::type> {};
 
 namespace placeholders
@@ -1624,16 +1624,38 @@ struct __mu_return
     : public ____mu_return<_Ti,
                            __is_reference_wrapper<_Ti>::value,
                            is_bind_expression<_Ti>::value,
-                           0 < is_placeholder<_Ti>::value,
+                           0 < is_placeholder<_Ti>::value &&
+                           is_placeholder<_Ti>::value <= tuple_size<_TupleUj>::value,
                            _TupleUj>
 {
 };
 
 template <class _Fp, class _BoundArgs, class _TupleUj>
+struct _is_valid_bind_return
+{
+    static const bool value = false;
+};
+
+template <class _Fp, class ..._BoundArgs, class _TupleUj>
+struct _is_valid_bind_return<_Fp, tuple<_BoundArgs...>, _TupleUj>
+{
+    static const bool value = __invokable<_Fp,
+                    typename __mu_return<_BoundArgs, _TupleUj>::type...>::value;
+};
+
+template <class _Fp, class ..._BoundArgs, class _TupleUj>
+struct _is_valid_bind_return<_Fp, const tuple<_BoundArgs...>, _TupleUj>
+{
+    static const bool value = __invokable<_Fp,
+                    typename __mu_return<const _BoundArgs, _TupleUj>::type...>::value;
+};
+
+template <class _Fp, class _BoundArgs, class _TupleUj,
+          bool = _is_valid_bind_return<_Fp, _BoundArgs, _TupleUj>::value>
 struct __bind_return;
 
 template <class _Fp, class ..._BoundArgs, class _TupleUj>
-struct __bind_return<_Fp, tuple<_BoundArgs...>, _TupleUj>
+struct __bind_return<_Fp, tuple<_BoundArgs...>, _TupleUj, true>
 {
     typedef typename __invoke_of
     <
@@ -1647,7 +1669,7 @@ struct __bind_return<_Fp, tuple<_BoundArgs...>, _TupleUj>
 };
 
 template <class _Fp, class ..._BoundArgs, class _TupleUj>
-struct __bind_return<_Fp, const tuple<_BoundArgs...>, _TupleUj>
+struct __bind_return<_Fp, const tuple<_BoundArgs...>, _TupleUj, true>
 {
     typedef typename __invoke_of
     <
@@ -1673,8 +1695,10 @@ template<class _Fp, class ..._BoundArgs>
 class __bind
     : public __weak_result_type<typename decay<_Fp>::type>
 {
+protected:
     typedef typename decay<_Fp>::type _Fd;
     typedef tuple<typename decay<_BoundArgs>::type...> _Td;
+private:
     _Fd __f_;
     _Td __bound_args_;
 
@@ -1731,7 +1755,7 @@ public:
 
     template <class ..._Args>
         _LIBCPP_INLINE_VISIBILITY
-        typename __bind_return<_Fd, _Td, tuple<_Args&&...> >::type
+        typename __bind_return<const _Fd, const _Td, tuple<_Args&&...> >::type
         operator()(_Args&& ...__args) const
         {
             return __apply_functor(__f_, __bound_args_, __indices(),
@@ -1747,6 +1771,8 @@ class __bind_r
     : public __bind<_Fp, _BoundArgs...>
 {
     typedef __bind<_Fp, _BoundArgs...> base;
+    typedef typename base::_Fd _Fd;
+    typedef typename base::_Td _Td;
 public:
     typedef _Rp result_type;
 
@@ -1784,7 +1810,12 @@ public:
 
     template <class ..._Args>
         _LIBCPP_INLINE_VISIBILITY
-        result_type
+        typename enable_if
+        <
+            is_convertible<typename __bind_return<_Fd, _Td, tuple<_Args&&...> >::type,
+                           result_type>::value,
+            result_type
+        >::type
         operator()(_Args&& ...__args)
         {
             return base::operator()(_VSTD::forward<_Args>(__args)...);
@@ -1792,7 +1823,12 @@ public:
 
     template <class ..._Args>
         _LIBCPP_INLINE_VISIBILITY
-        result_type
+        typename enable_if
+        <
+            is_convertible<typename __bind_return<const _Fd, const _Td, tuple<_Args&&...> >::type,
+                           result_type>::value,
+            result_type
+        >::type
         operator()(_Args&& ...__args) const
         {
             return base::operator()(_VSTD::forward<_Args>(__args)...);
@@ -1823,7 +1859,7 @@ bind(_Fp&& __f, _BoundArgs&&... __bound_args)
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 
 template <>
-struct _LIBCPP_VISIBLE hash<bool>
+struct _LIBCPP_TYPE_VIS hash<bool>
     : public unary_function<bool, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1831,7 +1867,7 @@ struct _LIBCPP_VISIBLE hash<bool>
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<char>
+struct _LIBCPP_TYPE_VIS hash<char>
     : public unary_function<char, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1839,7 +1875,7 @@ struct _LIBCPP_VISIBLE hash<char>
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<signed char>
+struct _LIBCPP_TYPE_VIS hash<signed char>
     : public unary_function<signed char, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1847,7 +1883,7 @@ struct _LIBCPP_VISIBLE hash<signed char>
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<unsigned char>
+struct _LIBCPP_TYPE_VIS hash<unsigned char>
     : public unary_function<unsigned char, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1857,7 +1893,7 @@ struct _LIBCPP_VISIBLE hash<unsigned char>
 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
 
 template <>
-struct _LIBCPP_VISIBLE hash<char16_t>
+struct _LIBCPP_TYPE_VIS hash<char16_t>
     : public unary_function<char16_t, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1865,7 +1901,7 @@ struct _LIBCPP_VISIBLE hash<char16_t>
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<char32_t>
+struct _LIBCPP_TYPE_VIS hash<char32_t>
     : public unary_function<char32_t, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1875,7 +1911,7 @@ struct _LIBCPP_VISIBLE hash<char32_t>
 #endif  // _LIBCPP_HAS_NO_UNICODE_CHARS
 
 template <>
-struct _LIBCPP_VISIBLE hash<wchar_t>
+struct _LIBCPP_TYPE_VIS hash<wchar_t>
     : public unary_function<wchar_t, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1883,7 +1919,7 @@ struct _LIBCPP_VISIBLE hash<wchar_t>
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<short>
+struct _LIBCPP_TYPE_VIS hash<short>
     : public unary_function<short, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1891,7 +1927,7 @@ struct _LIBCPP_VISIBLE hash<short>
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<unsigned short>
+struct _LIBCPP_TYPE_VIS hash<unsigned short>
     : public unary_function<unsigned short, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1899,7 +1935,7 @@ struct _LIBCPP_VISIBLE hash<unsigned short>
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<int>
+struct _LIBCPP_TYPE_VIS hash<int>
     : public unary_function<int, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1907,7 +1943,7 @@ struct _LIBCPP_VISIBLE hash<int>
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<unsigned int>
+struct _LIBCPP_TYPE_VIS hash<unsigned int>
     : public unary_function<unsigned int, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1915,7 +1951,7 @@ struct _LIBCPP_VISIBLE hash<unsigned int>
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<long>
+struct _LIBCPP_TYPE_VIS hash<long>
     : public unary_function<long, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1923,7 +1959,7 @@ struct _LIBCPP_VISIBLE hash<long>
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<unsigned long>
+struct _LIBCPP_TYPE_VIS hash<unsigned long>
     : public unary_function<unsigned long, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1931,19 +1967,19 @@ struct _LIBCPP_VISIBLE hash<unsigned long>
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<long long>
+struct _LIBCPP_TYPE_VIS hash<long long>
     : public __scalar_hash<long long>
 {
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<unsigned long long>
+struct _LIBCPP_TYPE_VIS hash<unsigned long long>
     : public __scalar_hash<unsigned long long>
 {
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<float>
+struct _LIBCPP_TYPE_VIS hash<float>
     : public __scalar_hash<float>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1957,7 +1993,7 @@ struct _LIBCPP_VISIBLE hash<float>
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<double>
+struct _LIBCPP_TYPE_VIS hash<double>
     : public __scalar_hash<double>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -1971,7 +2007,7 @@ struct _LIBCPP_VISIBLE hash<double>
 };
 
 template <>
-struct _LIBCPP_VISIBLE hash<long double>
+struct _LIBCPP_TYPE_VIS hash<long double>
     : public __scalar_hash<long double>
 {
     _LIBCPP_INLINE_VISIBILITY

include/future

@@ -387,11 +387,11 @@ _LIBCPP_DECLARE_STRONG_ENUM(future_errc)
 _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(future_errc)
 
 template <>
-struct _LIBCPP_VISIBLE is_error_code_enum<future_errc> : public true_type {};
+struct _LIBCPP_TYPE_VIS is_error_code_enum<future_errc> : public true_type {};
 
 #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
 template <>
-struct _LIBCPP_VISIBLE is_error_code_enum<future_errc::__lx> : public true_type { };
+struct _LIBCPP_TYPE_VIS is_error_code_enum<future_errc::__lx> : public true_type { };
 #endif
 
 //enum class launch
@@ -412,7 +412,7 @@ _LIBCPP_DECLARE_STRONG_ENUM(future_status)
 };
 _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(future_status)
 
-_LIBCPP_VISIBLE
+_LIBCPP_FUNC_VIS
 const error_category& future_category() _NOEXCEPT;
 
 inline _LIBCPP_INLINE_VISIBILITY
@@ -470,7 +470,11 @@ public:
         {return (__state_ & __constructed) || (__exception_ != nullptr);}
 
     _LIBCPP_INLINE_VISIBILITY
-    void __set_future_attached() {__state_ |= __future_attached;}
+    void __set_future_attached()
+    {
+        lock_guard<mutex> __lk(__mut_);
+        __state_ |= __future_attached;
+    }
     _LIBCPP_INLINE_VISIBILITY
     bool __has_future_attached() const {return __state_ & __future_attached;}
 
@@ -962,12 +966,12 @@ __async_assoc_state<void, _Fp>::__on_zero_shared() _NOEXCEPT
     base::__on_zero_shared();
 }
 
-template <class _Rp> class _LIBCPP_VISIBLE promise;
-template <class _Rp> class _LIBCPP_VISIBLE shared_future;
+template <class _Rp> class _LIBCPP_TYPE_VIS promise;
+template <class _Rp> class _LIBCPP_TYPE_VIS shared_future;
 
 // future
 
-template <class _Rp> class _LIBCPP_VISIBLE future;
+template <class _Rp> class _LIBCPP_TYPE_VIS future;
 
 template <class _Rp, class _Fp>
 future<_Rp>
@@ -986,7 +990,7 @@ __make_async_assoc_state(_Fp __f);
 #endif
 
 template <class _Rp>
-class _LIBCPP_VISIBLE future
+class _LIBCPP_TYPE_VIS future
 {
     __assoc_state<_Rp>* __state_;
 
@@ -1090,7 +1094,7 @@ future<_Rp>::get()
 }
 
 template <class _Rp>
-class _LIBCPP_VISIBLE future<_Rp&>
+class _LIBCPP_TYPE_VIS future<_Rp&>
 {
     __assoc_state<_Rp&>* __state_;
 
@@ -1189,7 +1193,7 @@ future<_Rp&>::get()
 }
 
 template <>
-class _LIBCPP_VISIBLE future<void>
+class _LIBCPP_TYPE_VIS future<void>
 {
     __assoc_sub_state* __state_;
 
@@ -1271,7 +1275,7 @@ swap(future<_Rp>& __x, future<_Rp>& __y) _NOEXCEPT
 template <class _Callable> class packaged_task;
 
 template <class _Rp>
-class _LIBCPP_VISIBLE promise
+class _LIBCPP_TYPE_VIS promise
 {
     __assoc_state<_Rp>* __state_;
 
@@ -1449,7 +1453,7 @@ promise<_Rp>::set_exception_at_thread_exit(exception_ptr __p)
 // promise<R&>
 
 template <class _Rp>
-class _LIBCPP_VISIBLE promise<_Rp&>
+class _LIBCPP_TYPE_VIS promise<_Rp&>
 {
     __assoc_state<_Rp&>* __state_;
 
@@ -1592,7 +1596,7 @@ promise<_Rp&>::set_exception_at_thread_exit(exception_ptr __p)
 // promise<void>
 
 template <>
-class _LIBCPP_VISIBLE promise<void>
+class _LIBCPP_TYPE_VIS promise<void>
 {
     __assoc_sub_state* __state_;
 
@@ -1666,7 +1670,7 @@ swap(promise<_Rp>& __x, promise<_Rp>& __y) _NOEXCEPT
 }
 
 template <class _Rp, class _Alloc>
-    struct _LIBCPP_VISIBLE uses_allocator<promise<_Rp>, _Alloc>
+    struct _LIBCPP_TYPE_VIS uses_allocator<promise<_Rp>, _Alloc>
         : public true_type {};
 
 #ifndef _LIBCPP_HAS_NO_VARIADICS
@@ -1753,7 +1757,7 @@ template<class _Rp, class ..._ArgTypes>
 class __packaged_task_function<_Rp(_ArgTypes...)>
 {
     typedef __packaged_task_base<_Rp(_ArgTypes...)> __base;
-    aligned_storage<3*sizeof(void*)>::type __buf_;
+    typename aligned_storage<3*sizeof(void*)>::type __buf_;
     __base* __f_;
 
 public:
@@ -1930,7 +1934,7 @@ __packaged_task_function<_Rp(_ArgTypes...)>::operator()(_ArgTypes... __arg) cons
 }
 
 template<class _Rp, class ..._ArgTypes>
-class _LIBCPP_VISIBLE packaged_task<_Rp(_ArgTypes...)>
+class _LIBCPP_TYPE_VIS packaged_task<_Rp(_ArgTypes...)>
 {
 public:
     typedef _Rp result_type;
@@ -2045,7 +2049,7 @@ packaged_task<_Rp(_ArgTypes...)>::reset()
 }
 
 template<class ..._ArgTypes>
-class _LIBCPP_VISIBLE packaged_task<void(_ArgTypes...)>
+class _LIBCPP_TYPE_VIS packaged_task<void(_ArgTypes...)>
 {
 public:
     typedef void result_type;
@@ -2170,7 +2174,7 @@ swap(packaged_task<_Callable>& __x, packaged_task<_Callable>& __y) _NOEXCEPT
 }
 
 template <class _Callable, class _Alloc>
-struct _LIBCPP_VISIBLE uses_allocator<packaged_task<_Callable>, _Alloc>
+struct _LIBCPP_TYPE_VIS uses_allocator<packaged_task<_Callable>, _Alloc>
     : public true_type {};
 
 template <class _Rp, class _Fp>
@@ -2259,7 +2263,7 @@ async(_Fp&& __f, _Args&&... __args)
 // shared_future
 
 template <class _Rp>
-class _LIBCPP_VISIBLE shared_future
+class _LIBCPP_TYPE_VIS shared_future
 {
     __assoc_state<_Rp>* __state_;
 
@@ -2333,7 +2337,7 @@ shared_future<_Rp>::operator=(const shared_future& __rhs)
 }
 
 template <class _Rp>
-class _LIBCPP_VISIBLE shared_future<_Rp&>
+class _LIBCPP_TYPE_VIS shared_future<_Rp&>
 {
     __assoc_state<_Rp&>* __state_;
 
@@ -2407,7 +2411,7 @@ shared_future<_Rp&>::operator=(const shared_future& __rhs)
 }
 
 template <>
-class _LIBCPP_VISIBLE shared_future<void>
+class _LIBCPP_TYPE_VIS shared_future<void>
 {
     __assoc_sub_state* __state_;
 

include/initializer_list

@@ -56,7 +56,7 @@ namespace std  // purposefully not versioned
 #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
 
 template<class _Ep>
-class _LIBCPP_VISIBLE initializer_list
+class _LIBCPP_TYPE_VIS initializer_list
 {
     const _Ep* __begin_;
     size_t    __size_;

include/ios

@@ -224,10 +224,10 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 
 typedef ptrdiff_t streamsize;
 
-class _LIBCPP_VISIBLE ios_base
+class _LIBCPP_TYPE_VIS ios_base
 {
 public:
-    class _LIBCPP_VISIBLE failure;
+    class _LIBCPP_TYPE_VIS failure;
 
     typedef unsigned int fmtflags;
     static const fmtflags boolalpha   = 0x0001;
@@ -271,7 +271,7 @@ public:
     typedef _VSTD::streamoff streamoff;
     typedef _VSTD::streampos streampos;
 
-    class _LIBCPP_VISIBLE Init;
+    class _LIBCPP_TYPE_VIS Init;
 
     // 27.5.2.2 fmtflags state:
     _LIBCPP_INLINE_VISIBILITY fmtflags flags() const;
@@ -380,14 +380,14 @@ _LIBCPP_DECLARE_STRONG_ENUM(io_errc)
 _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(io_errc)
 
 template <>
-struct _LIBCPP_VISIBLE is_error_code_enum<io_errc> : public true_type { };
+struct _LIBCPP_TYPE_VIS is_error_code_enum<io_errc> : public true_type { };
 
 #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
 template <>
-struct _LIBCPP_VISIBLE is_error_code_enum<io_errc::__lx> : public true_type { };
+struct _LIBCPP_TYPE_VIS is_error_code_enum<io_errc::__lx> : public true_type { };
 #endif
 
-_LIBCPP_VISIBLE
+_LIBCPP_FUNC_VIS
 const error_category& iostream_category();
 
 inline _LIBCPP_INLINE_VISIBILITY
@@ -413,7 +413,7 @@ public:
     virtual ~failure() throw();
 };
 
-class _LIBCPP_VISIBLE ios_base::Init
+class _LIBCPP_TYPE_VIS ios_base::Init
 {
 public:
     Init();
@@ -560,7 +560,7 @@ ios_base::exceptions(iostate __except)
 }
 
 template <class _CharT, class _Traits>
-class _LIBCPP_VISIBLE basic_ios
+class _LIBCPP_TYPE_VIS basic_ios
     : public ios_base
 {
 public:

include/iosfwd

@@ -95,49 +95,49 @@ typedef fpos<char_traits<wchar_t>::state_type> wstreampos;
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-class _LIBCPP_VISIBLE ios_base;
+class _LIBCPP_TYPE_VIS ios_base;
 
-template<class _CharT>  struct _LIBCPP_VISIBLE char_traits;
-template<class _Tp>     class _LIBCPP_VISIBLE allocator;
+template<class _CharT>  struct _LIBCPP_TYPE_VIS char_traits;
+template<class _Tp>     class _LIBCPP_TYPE_VIS allocator;
 
 template <class _CharT, class _Traits = char_traits<_CharT> >
-    class _LIBCPP_VISIBLE basic_ios;
+    class _LIBCPP_TYPE_VIS basic_ios;
 
 template <class _CharT, class _Traits = char_traits<_CharT> >
-    class _LIBCPP_VISIBLE basic_streambuf;
+    class _LIBCPP_TYPE_VIS basic_streambuf;
 template <class _CharT, class _Traits = char_traits<_CharT> >
-    class _LIBCPP_VISIBLE basic_istream;
+    class _LIBCPP_TYPE_VIS basic_istream;
 template <class _CharT, class _Traits = char_traits<_CharT> >
-    class _LIBCPP_VISIBLE basic_ostream;
+    class _LIBCPP_TYPE_VIS basic_ostream;
 template <class _CharT, class _Traits = char_traits<_CharT> >
-    class _LIBCPP_VISIBLE basic_iostream;
+    class _LIBCPP_TYPE_VIS basic_iostream;
 
 template <class _CharT, class _Traits = char_traits<_CharT>,
           class _Allocator = allocator<_CharT> >
-    class _LIBCPP_VISIBLE basic_stringbuf;
+    class _LIBCPP_TYPE_VIS basic_stringbuf;
 template <class _CharT, class _Traits = char_traits<_CharT>,
           class _Allocator = allocator<_CharT> >
-    class _LIBCPP_VISIBLE basic_istringstream;
+    class _LIBCPP_TYPE_VIS basic_istringstream;
 template <class _CharT, class _Traits = char_traits<_CharT>,
           class _Allocator = allocator<_CharT> >
-    class _LIBCPP_VISIBLE basic_ostringstream;
+    class _LIBCPP_TYPE_VIS basic_ostringstream;
 template <class _CharT, class _Traits = char_traits<_CharT>,
           class _Allocator = allocator<_CharT> >
-    class _LIBCPP_VISIBLE basic_stringstream;
+    class _LIBCPP_TYPE_VIS basic_stringstream;
 
 template <class _CharT, class _Traits = char_traits<_CharT> >
-    class _LIBCPP_VISIBLE basic_filebuf;
+    class _LIBCPP_TYPE_VIS basic_filebuf;
 template <class _CharT, class _Traits = char_traits<_CharT> >
-    class _LIBCPP_VISIBLE basic_ifstream;
+    class _LIBCPP_TYPE_VIS basic_ifstream;
 template <class _CharT, class _Traits = char_traits<_CharT> >
-    class _LIBCPP_VISIBLE basic_ofstream;
+    class _LIBCPP_TYPE_VIS basic_ofstream;
 template <class _CharT, class _Traits = char_traits<_CharT> >
-    class _LIBCPP_VISIBLE basic_fstream;
+    class _LIBCPP_TYPE_VIS basic_fstream;
 
 template <class _CharT, class _Traits = char_traits<_CharT> >
-    class _LIBCPP_VISIBLE istreambuf_iterator;
+    class _LIBCPP_TYPE_VIS istreambuf_iterator;
 template <class _CharT, class _Traits = char_traits<_CharT> >
-    class _LIBCPP_VISIBLE ostreambuf_iterator;
+    class _LIBCPP_TYPE_VIS ostreambuf_iterator;
 
 typedef basic_ios<char>              ios;
 typedef basic_ios<wchar_t>           wios;
@@ -172,7 +172,7 @@ typedef basic_ifstream<wchar_t>      wifstream;
 typedef basic_ofstream<wchar_t>      wofstream;
 typedef basic_fstream<wchar_t>       wfstream;
 
-template <class _State>             class _LIBCPP_VISIBLE fpos;
+template <class _State>             class _LIBCPP_TYPE_VIS fpos;
 typedef fpos<mbstate_t>    streampos;
 typedef fpos<mbstate_t>    wstreampos;
 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
@@ -185,7 +185,7 @@ typedef long long streamoff;        // for char_traits in <string>
 template <class _CharT,             // for <stdexcept>
           class _Traits = char_traits<_CharT>,
           class _Allocator = allocator<_CharT> >
-    class _LIBCPP_VISIBLE basic_string;
+    class _LIBCPP_TYPE_VIS basic_string;
 typedef basic_string<char, char_traits<char>, allocator<char> > string;
 typedef basic_string<wchar_t, char_traits<wchar_t>, allocator<wchar_t> > wstring;
 

include/iostream

@@ -46,14 +46,14 @@ extern wostream wclog;
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-extern _LIBCPP_VISIBLE istream cin;
-extern _LIBCPP_VISIBLE ostream cout;
-extern _LIBCPP_VISIBLE ostream cerr;
-extern _LIBCPP_VISIBLE ostream clog;
-extern _LIBCPP_VISIBLE wistream wcin;
-extern _LIBCPP_VISIBLE wostream wcout;
-extern _LIBCPP_VISIBLE wostream wcerr;
-extern _LIBCPP_VISIBLE wostream wclog;
+extern _LIBCPP_FUNC_VIS istream cin;
+extern _LIBCPP_FUNC_VIS ostream cout;
+extern _LIBCPP_FUNC_VIS ostream cerr;
+extern _LIBCPP_FUNC_VIS ostream clog;
+extern _LIBCPP_FUNC_VIS wistream wcin;
+extern _LIBCPP_FUNC_VIS wostream wcout;
+extern _LIBCPP_FUNC_VIS wostream wcerr;
+extern _LIBCPP_FUNC_VIS wostream wclog;
 
 _LIBCPP_END_NAMESPACE_STD
 

include/istream

@@ -164,7 +164,7 @@ template <class charT, class traits, class T>
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _CharT, class _Traits>
-class _LIBCPP_VISIBLE basic_istream
+class _LIBCPP_TYPE_VIS basic_istream
     : virtual public basic_ios<_CharT, _Traits>
 {
     streamsize __gc_;
@@ -194,7 +194,7 @@ protected:
 public:
 
     // 27.7.1.1.3 Prefix/suffix:
-    class _LIBCPP_VISIBLE sentry;
+    class _LIBCPP_TYPE_VIS sentry;
 
     // 27.7.1.2 Formatted input:
     basic_istream& operator>>(basic_istream& (*__pf)(basic_istream&));
@@ -244,7 +244,7 @@ public:
 };
 
 template <class _CharT, class _Traits>
-class _LIBCPP_VISIBLE basic_istream<_CharT, _Traits>::sentry
+class _LIBCPP_TYPE_VIS basic_istream<_CharT, _Traits>::sentry
 {
     bool __ok_;
 
@@ -1216,16 +1216,9 @@ basic_istream<_CharT, _Traits>::read(char_type* __s, streamsize __n)
         sentry __sen(*this, true);
         if (__sen)
         {
-            for (; __gc_ < __n; ++__gc_)
-            {
-                typename traits_type::int_type __i = this->rdbuf()->sbumpc();
-                if (traits_type::eq_int_type(__i, traits_type::eof()))
-                {
-                   this->setstate(ios_base::failbit | ios_base::eofbit);
-                   break;
-                }
-                *__s++ = traits_type::to_char_type(__i);
-            }
+            __gc_ = this->rdbuf()->sgetn(__s, __n);
+            if (__gc_ != __n)
+                this->setstate(ios_base::failbit | ios_base::eofbit);
         }
         else
             this->setstate(ios_base::failbit);
@@ -1243,6 +1236,7 @@ template<class _CharT, class _Traits>
 streamsize
 basic_istream<_CharT, _Traits>::readsome(char_type* __s, streamsize __n)
 {
+    __gc_ = 0;
     streamsize __c = this->rdbuf()->in_avail();
     switch (__c)
     {
@@ -1459,7 +1453,7 @@ operator>>(basic_istream<_CharT, _Traits>&& __is, _Tp& __x)
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
 template <class _CharT, class _Traits>
-class _LIBCPP_VISIBLE basic_iostream
+class _LIBCPP_TYPE_VIS basic_iostream
     : public basic_istream<_CharT, _Traits>,
       public basic_ostream<_CharT, _Traits>
 {

include/iterator

@@ -317,6 +317,10 @@ template <class T, size_t N> T* end(T (&array)[N]);
 #include <type_traits>
 #include <cstddef>
 #include <iosfwd>
+#ifdef __APPLE__
+#include <Availability.h>
+#endif
+
 #ifdef _LIBCPP_DEBUG
 #include <cassert>
 #endif
@@ -327,11 +331,11 @@ template <class T, size_t N> T* end(T (&array)[N]);
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-struct _LIBCPP_VISIBLE input_iterator_tag {};
-struct _LIBCPP_VISIBLE output_iterator_tag {};
-struct _LIBCPP_VISIBLE forward_iterator_tag       : public input_iterator_tag {};
-struct _LIBCPP_VISIBLE bidirectional_iterator_tag : public forward_iterator_tag {};
-struct _LIBCPP_VISIBLE random_access_iterator_tag : public bidirectional_iterator_tag {};
+struct _LIBCPP_TYPE_VIS input_iterator_tag {};
+struct _LIBCPP_TYPE_VIS output_iterator_tag {};
+struct _LIBCPP_TYPE_VIS forward_iterator_tag       : public input_iterator_tag {};
+struct _LIBCPP_TYPE_VIS bidirectional_iterator_tag : public forward_iterator_tag {};
+struct _LIBCPP_TYPE_VIS random_access_iterator_tag : public bidirectional_iterator_tag {};
 
 template <class _Tp>
 struct __has_iterator_category
@@ -374,11 +378,11 @@ struct __iterator_traits<_Iter, true>
 //    the client expects instead of failing at compile time.
 
 template <class _Iter>
-struct _LIBCPP_VISIBLE iterator_traits
+struct _LIBCPP_TYPE_VIS iterator_traits
     : __iterator_traits<_Iter, __has_iterator_category<_Iter>::value> {};
 
 template<class _Tp>
-struct _LIBCPP_VISIBLE iterator_traits<_Tp*>
+struct _LIBCPP_TYPE_VIS iterator_traits<_Tp*>
 {
     typedef ptrdiff_t difference_type;
     typedef typename remove_const<_Tp>::type value_type;
@@ -409,7 +413,7 @@ struct __is_random_access_iterator : public __has_iterator_category_convertible_
 
 template<class _Category, class _Tp, class _Distance = ptrdiff_t,
          class _Pointer = _Tp*, class _Reference = _Tp&>
-struct _LIBCPP_VISIBLE iterator
+struct _LIBCPP_TYPE_VIS iterator
 {
     typedef _Tp        value_type;
     typedef _Distance  difference_type;
@@ -506,7 +510,7 @@ prev(_BidiretionalIter __x,
 }
 
 template <class _Iter>
-class _LIBCPP_VISIBLE reverse_iterator
+class _LIBCPP_TYPE_VIS reverse_iterator
     : public iterator<typename iterator_traits<_Iter>::iterator_category,
                       typename iterator_traits<_Iter>::value_type,
                       typename iterator_traits<_Iter>::difference_type,
@@ -613,7 +617,7 @@ operator+(typename reverse_iterator<_Iter>::difference_type __n, const reverse_i
 }
 
 template <class _Container>
-class _LIBCPP_VISIBLE back_insert_iterator
+class _LIBCPP_TYPE_VIS back_insert_iterator
     : public iterator<output_iterator_tag,
                       void,
                       void,
@@ -646,7 +650,7 @@ back_inserter(_Container& __x)
 }
 
 template <class _Container>
-class _LIBCPP_VISIBLE front_insert_iterator
+class _LIBCPP_TYPE_VIS front_insert_iterator
     : public iterator<output_iterator_tag,
                       void,
                       void,
@@ -679,7 +683,7 @@ front_inserter(_Container& __x)
 }
 
 template <class _Container>
-class _LIBCPP_VISIBLE insert_iterator
+class _LIBCPP_TYPE_VIS insert_iterator
     : public iterator<output_iterator_tag,
                       void,
                       void,
@@ -715,7 +719,7 @@ inserter(_Container& __x, typename _Container::iterator __i)
 
 template <class _Tp, class _CharT = char,
           class _Traits = char_traits<_CharT>, class _Distance = ptrdiff_t>
-class _LIBCPP_VISIBLE istream_iterator
+class _LIBCPP_TYPE_VIS istream_iterator
     : public iterator<input_iterator_tag, _Tp, _Distance, const _Tp*, const _Tp&>
 {
 public:
@@ -754,7 +758,7 @@ public:
 };
 
 template <class _Tp, class _CharT = char, class _Traits = char_traits<_CharT> >
-class _LIBCPP_VISIBLE ostream_iterator
+class _LIBCPP_TYPE_VIS ostream_iterator
     : public iterator<output_iterator_tag, void, void, void, void>
 {
 public:
@@ -783,7 +787,7 @@ public:
 };
 
 template<class _CharT, class _Traits>
-class _LIBCPP_VISIBLE istreambuf_iterator
+class _LIBCPP_TYPE_VIS istreambuf_iterator
     : public iterator<input_iterator_tag, _CharT,
                       typename _Traits::off_type, _CharT*,
                       _CharT>
@@ -795,7 +799,7 @@ public:
     typedef basic_streambuf<_CharT,_Traits> streambuf_type;
     typedef basic_istream<_CharT,_Traits>   istream_type;
 private:
-    streambuf_type* __sbuf_;
+    mutable streambuf_type* __sbuf_;
 
     class __proxy
     {
@@ -809,17 +813,18 @@ private:
     };
 
     _LIBCPP_INLINE_VISIBILITY
-    void __test_for_eof()
+    bool __test_for_eof() const
     {
         if (__sbuf_ && traits_type::eq_int_type(__sbuf_->sgetc(), traits_type::eof()))
             __sbuf_ = 0;
+        return __sbuf_ == 0;
     }
 public:
-    _LIBCPP_INLINE_VISIBILITY istreambuf_iterator() _NOEXCEPT : __sbuf_(0) {}
+    _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR istreambuf_iterator() _NOEXCEPT : __sbuf_(0) {}
     _LIBCPP_INLINE_VISIBILITY istreambuf_iterator(istream_type& __s) _NOEXCEPT
-        : __sbuf_(__s.rdbuf()) {__test_for_eof();}
+        : __sbuf_(__s.rdbuf()) {}
     _LIBCPP_INLINE_VISIBILITY istreambuf_iterator(streambuf_type* __s) _NOEXCEPT
-        : __sbuf_(__s) {__test_for_eof();}
+        : __sbuf_(__s) {}
     _LIBCPP_INLINE_VISIBILITY istreambuf_iterator(const __proxy& __p) _NOEXCEPT
         : __sbuf_(__p.__sbuf_) {}
 
@@ -828,19 +833,16 @@ public:
     _LIBCPP_INLINE_VISIBILITY char_type* operator->() const {return nullptr;}
     _LIBCPP_INLINE_VISIBILITY istreambuf_iterator& operator++()
         {
-            if (traits_type::eq_int_type(__sbuf_->snextc(), traits_type::eof()))
-                __sbuf_ = 0;
+            __sbuf_->sbumpc();
             return *this;
         }
     _LIBCPP_INLINE_VISIBILITY __proxy              operator++(int)
         {
-            char_type __c = __sbuf_->sgetc();
-            ++(*this);
-            return __proxy(__c, __sbuf_);
+            return __proxy(__sbuf_->sbumpc(), __sbuf_);
         }
 
     _LIBCPP_INLINE_VISIBILITY bool equal(const istreambuf_iterator& __b) const
-        {return (__sbuf_ == 0) == (__b.__sbuf_ == 0);}
+        {return __test_for_eof() == __b.__test_for_eof();}
 };
 
 template <class _CharT, class _Traits>
@@ -856,7 +858,7 @@ bool operator!=(const istreambuf_iterator<_CharT,_Traits>& __a,
                 {return !__a.equal(__b);}
 
 template <class _CharT, class _Traits>
-class _LIBCPP_VISIBLE ostreambuf_iterator
+class _LIBCPP_TYPE_VIS ostreambuf_iterator
     : public iterator<output_iterator_tag, void, void, void, void>
 {
 public:
@@ -882,6 +884,10 @@ public:
     _LIBCPP_INLINE_VISIBILITY ostreambuf_iterator& operator++(int) {return *this;}
     _LIBCPP_INLINE_VISIBILITY bool failed() const _NOEXCEPT {return __sbuf_ == 0;}
 
+#if !defined(__APPLE__) || \
+    (defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED > __MAC_10_8) || \
+    (defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED > __IPHONE_6_0)
+
     template <class _Ch, class _Tr>
     friend
     _LIBCPP_HIDDEN
@@ -889,10 +895,11 @@ public:
     __pad_and_output(ostreambuf_iterator<_Ch, _Tr> __s,
                      const _Ch* __ob, const _Ch* __op, const _Ch* __oe,
                      ios_base& __iob, _Ch __fl);
+#endif
 };
 
 template <class _Iter>
-class _LIBCPP_VISIBLE move_iterator
+class _LIBCPP_TYPE_VIS move_iterator
 {
 private:
     _Iter __i;

include/limits

@@ -433,7 +433,7 @@ protected:
 };
 
 template <class _Tp>
-class _LIBCPP_VISIBLE numeric_limits
+class _LIBCPP_TYPE_VIS numeric_limits
     : private __libcpp_numeric_limits<typename remove_cv<_Tp>::type>
 {
     typedef __libcpp_numeric_limits<typename remove_cv<_Tp>::type> __base;
@@ -479,7 +479,54 @@ public:
 };
 
 template <class _Tp>
-class _LIBCPP_VISIBLE numeric_limits<const _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_specialized;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::digits;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::digits10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_digits10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_signed;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_integer;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_exact;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::radix;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::min_exponent;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::min_exponent10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_exponent;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<_Tp>::max_exponent10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_infinity;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_quiet_NaN;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_signaling_NaN;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<_Tp>::has_denorm;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::has_denorm_loss;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_iec559;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_bounded;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::is_modulo;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::traps;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<_Tp>::tinyness_before;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const float_round_style numeric_limits<_Tp>::round_style;
+
+template <class _Tp>
+class _LIBCPP_TYPE_VIS numeric_limits<const _Tp>
     : private numeric_limits<_Tp>
 {
     typedef numeric_limits<_Tp> __base;
@@ -525,7 +572,54 @@ public:
 };
 
 template <class _Tp>
-class _LIBCPP_VISIBLE numeric_limits<volatile _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_specialized;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::digits;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::digits10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_digits10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_signed;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_integer;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_exact;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::radix;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::min_exponent;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::min_exponent10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_exponent;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const _Tp>::max_exponent10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_infinity;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_quiet_NaN;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_signaling_NaN;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<const _Tp>::has_denorm;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::has_denorm_loss;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_iec559;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_bounded;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::is_modulo;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::traps;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const _Tp>::tinyness_before;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const float_round_style numeric_limits<const _Tp>::round_style;
+
+template <class _Tp>
+class _LIBCPP_TYPE_VIS numeric_limits<volatile _Tp>
     : private numeric_limits<_Tp>
 {
     typedef numeric_limits<_Tp> __base;
@@ -571,7 +665,54 @@ public:
 };
 
 template <class _Tp>
-class _LIBCPP_VISIBLE numeric_limits<const volatile _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_specialized;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::digits;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::digits10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_digits10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_signed;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_integer;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_exact;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::radix;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::min_exponent;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::min_exponent10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_exponent;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<volatile _Tp>::max_exponent10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_infinity;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_quiet_NaN;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_signaling_NaN;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<volatile _Tp>::has_denorm;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::has_denorm_loss;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_iec559;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_bounded;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::is_modulo;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::traps;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<volatile _Tp>::tinyness_before;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const float_round_style numeric_limits<volatile _Tp>::round_style;
+
+template <class _Tp>
+class _LIBCPP_TYPE_VIS numeric_limits<const volatile _Tp>
     : private numeric_limits<_Tp>
 {
     typedef numeric_limits<_Tp> __base;
@@ -616,6 +757,53 @@ public:
     static _LIBCPP_CONSTEXPR const float_round_style round_style = __base::round_style;
 };
 
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_specialized;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::digits;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::digits10;
+template <class _Tp>
+    const int numeric_limits<const volatile _Tp>::max_digits10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_signed;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_integer;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_exact;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::radix;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::min_exponent;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::min_exponent10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_exponent;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const int numeric_limits<const volatile _Tp>::max_exponent10;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_infinity;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_quiet_NaN;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_signaling_NaN;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const float_denorm_style numeric_limits<const volatile _Tp>::has_denorm;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::has_denorm_loss;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_iec559;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_bounded;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::is_modulo;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::traps;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const bool numeric_limits<const volatile _Tp>::tinyness_before;
+template <class _Tp>
+    _LIBCPP_CONSTEXPR const float_round_style numeric_limits<const volatile _Tp>::round_style;
+
 _LIBCPP_END_NAMESPACE_STD
 
 #endif  // _LIBCPP_LIMITS

include/list

@@ -213,12 +213,12 @@ struct __list_node
     _Tp __value_;
 };
 
-template <class _Tp, class _Alloc> class _LIBCPP_VISIBLE list;
+template <class _Tp, class _Alloc> class _LIBCPP_TYPE_VIS list;
 template <class _Tp, class _Alloc> class __list_imp;
-template <class _Tp, class _VoidPtr> class _LIBCPP_VISIBLE __list_const_iterator;
+template <class _Tp, class _VoidPtr> class _LIBCPP_TYPE_VIS __list_const_iterator;
 
 template <class _Tp, class _VoidPtr>
-class _LIBCPP_VISIBLE __list_iterator
+class _LIBCPP_TYPE_VIS __list_iterator
 {
     typedef typename pointer_traits<_VoidPtr>::template
 #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
@@ -348,7 +348,7 @@ public:
 };
 
 template <class _Tp, class _VoidPtr>
-class _LIBCPP_VISIBLE __list_const_iterator
+class _LIBCPP_TYPE_VIS __list_const_iterator
 {
     typedef typename pointer_traits<_VoidPtr>::template
 #ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
@@ -394,7 +394,7 @@ public:
 #endif
     }
     _LIBCPP_INLINE_VISIBILITY
-    __list_const_iterator(__list_iterator<_Tp, _VoidPtr> __p) _NOEXCEPT
+    __list_const_iterator(const __list_iterator<_Tp, _VoidPtr>& __p) _NOEXCEPT
         : __ptr_(__p.__ptr_)
     {
 #if _LIBCPP_DEBUG_LEVEL >= 2
@@ -767,7 +767,7 @@ __list_imp<_Tp, _Alloc>::swap(__list_imp& __c)
 }
 
 template <class _Tp, class _Alloc = allocator<_Tp> >
-class _LIBCPP_VISIBLE list
+class _LIBCPP_TYPE_VIS list
     : private __list_imp<_Tp, _Alloc>
 {
     typedef __list_imp<_Tp, _Alloc> base;
@@ -1292,7 +1292,11 @@ list<_Tp, _Alloc>::insert(const_iterator __p, const value_type& __x)
     __node_alloc_traits::construct(__na, _VSTD::addressof(__hold->__value_), __x);
     __link_nodes(const_cast<__node&>(*__p.__ptr_), *__hold, *__hold);
     ++base::__sz();
+#if _LIBCPP_DEBUG_LEVEL >= 2
+    return iterator(__hold.release(), this);
+#else
     return iterator(__hold.release());
+#endif
 }
 
 template <class _Tp, class _Alloc>
@@ -1518,6 +1522,11 @@ template <class... _Args>
 typename list<_Tp, _Alloc>::iterator
 list<_Tp, _Alloc>::emplace(const_iterator __p, _Args&&... __args)
 {
+#if _LIBCPP_DEBUG_LEVEL >= 2
+    _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this,
+        "list::emplace(iterator, args...) called with an iterator not"
+        " referring to this list");
+#endif
     __node_allocator& __na = base::__node_alloc();
     typedef __allocator_destructor<__node_allocator> _Dp;
     unique_ptr<__node, _Dp> __hold(__node_alloc_traits::allocate(__na, 1), _Dp(__na, 1));
@@ -1624,6 +1633,8 @@ list<_Tp, _Alloc>::erase(const_iterator __p)
         "list::erase(iterator) called with an iterator not"
         " referring to this list");
 #endif
+    _LIBCPP_ASSERT(__p != end(),
+        "list::erase(iterator) called with a non-dereferenceable iterator");
     __node_allocator& __na = base::__node_alloc();
     __node& __n = const_cast<__node&>(*__p.__ptr_);
     __node_pointer __r = __n.__next_;

include/locale

@@ -181,17 +181,21 @@ template <class charT> class messages_byname;
 #include <streambuf>
 #include <iterator>
 #include <limits>
-#if !__APPLE__
+#ifndef __APPLE__
 #include <cstdarg>
 #endif
 #include <cstdlib>
 #include <ctime>
-#if _WIN32
+#ifdef _WIN32
 #include <support/win32/locale_win32.h>
 #else // _WIN32
 #include <nl_types.h>
 #endif  // !_WIN32
 
+#ifdef __APPLE__
+#include <Availability.h>
+#endif
+
 #include <__undef_min_max>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
@@ -200,7 +204,7 @@ template <class charT> class messages_byname;
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-#if __APPLE__ || __FreeBSD__
+#if defined(__APPLE__) || defined(__FreeBSD__)
 #  define _LIBCPP_GET_C_LOCALE 0
 #else
 #  define _LIBCPP_GET_C_LOCALE __cloc()
@@ -218,7 +222,7 @@ typedef _VSTD::unique_ptr<__locale_struct, decltype(&uselocale)> __locale_raii;
 // OSX has nice foo_l() functions that let you turn off use of the global
 // locale.  Linux, not so much.  The following functions avoid the locale when
 // that's possible and otherwise do the wrong thing.  FIXME.
-#ifdef __linux__
+#if defined(__linux__) || defined(EMSCRIPTEN)
 
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
 decltype(MB_CUR_MAX_L(_VSTD::declval<locale_t>()))
@@ -350,7 +354,7 @@ size_t __mbsrtowcs_l(wchar_t *__dest, const char **__src, size_t __len,
 #endif
 }
 
-_LIBCPP_ALWAYS_INLINE inline
+inline
 int __sprintf_l(char *__s, locale_t __l, const char *__format, ...) {
   va_list __va;
   va_start(__va, __format);
@@ -364,7 +368,7 @@ int __sprintf_l(char *__s, locale_t __l, const char *__format, ...) {
   return __res;
 }
 
-_LIBCPP_ALWAYS_INLINE inline
+inline
 int __snprintf_l(char *__s, size_t __n, locale_t __l, const char *__format, ...) {
   va_list __va;
   va_start(__va, __format);
@@ -378,7 +382,7 @@ int __snprintf_l(char *__s, size_t __n, locale_t __l, const char *__format, ...)
   return __res;
 }
 
-_LIBCPP_ALWAYS_INLINE inline
+inline
 int __asprintf_l(char **__s, locale_t __l, const char *__format, ...) {
   va_list __va;
   va_start(__va, __format);
@@ -392,7 +396,7 @@ int __asprintf_l(char **__s, locale_t __l, const char *__format, ...) {
   return __res;
 }
 
-_LIBCPP_ALWAYS_INLINE inline
+inline
 int __sscanf_l(const char *__s, locale_t __l, const char *__format, ...) {
   va_list __va;
   va_start(__va, __format);
@@ -630,8 +634,7 @@ __num_get<_CharT>::__stage2_int_loop(_CharT __ct, int __base, char* __a, char*&
         }
         return -1;
     }
-    if (__a_end-__a < __num_get_buf_sz - 1)
-        *__a_end++ = __src[__f];
+    *__a_end++ = __src[__f];
     ++__dc;
     return 0;
 }
@@ -669,23 +672,26 @@ __num_get<_CharT>::__stage2_float_loop(_CharT __ct, bool& __in_units, char& __ex
     char __x = __src[__f];
     if (__x == '-' || __x == '+')
     {
-        if (__a_end == __a || (__a_end[-1] & 0xDF) == __exp)
+        if (__a_end == __a || (__a_end[-1] & 0x5F) == (__exp & 0x7F))
         {
             *__a_end++ = __x;
             return 0;
         }
         return -1;
     }
-    if (__a_end-__a < __num_get_buf_sz - 1)
-        *__a_end++ = __x;
     if (__x == 'x' || __x == 'X')
         __exp = 'P';
-    else if ((__x & 0xDF) == __exp)
+    else if ((__x & 0x5F) == __exp)
     {
-        __in_units = false;
-        if (__grouping.size() != 0 && __g_end-__g < __num_get_buf_sz)
-            *__g_end++ = __dc;
+        __exp |= 0x80;
+        if (__in_units)
+        {
+            __in_units = false;
+            if (__grouping.size() != 0 && __g_end-__g < __num_get_buf_sz)
+                *__g_end++ = __dc;
+        }
     }
+    *__a_end++ = __x;
     if (__f >= 22)
         return 0;
     ++__dc;
@@ -696,7 +702,7 @@ _LIBCPP_EXTERN_TEMPLATE(struct __num_get<char>)
 _LIBCPP_EXTERN_TEMPLATE(struct __num_get<wchar_t>)
 
 template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> >
-class _LIBCPP_VISIBLE num_get
+class _LIBCPP_TYPE_VIS num_get
     : public locale::facet,
       private __num_get<_CharT>
 {
@@ -826,11 +832,11 @@ __num_get_signed_integral(const char* __a, const char* __a_end,
 {
     if (__a != __a_end)
     {
-        int __save_errno = errno;
+        typename remove_reference<decltype(errno)>::type __save_errno = errno;
         errno = 0;
         char *__p2;
         long long __ll = strtoll_l(__a, &__p2, __base, _LIBCPP_GET_C_LOCALE);
-        int __current_errno = errno;
+        typename remove_reference<decltype(errno)>::type __current_errno = errno;
         if (__current_errno == 0)
             errno = __save_errno;
         if (__p2 != __a_end)
@@ -866,11 +872,11 @@ __num_get_unsigned_integral(const char* __a, const char* __a_end,
             __err = ios_base::failbit;
             return 0;
         }
-        int __save_errno = errno;
+        typename remove_reference<decltype(errno)>::type __save_errno = errno;
         errno = 0;
         char *__p2;
         unsigned long long __ll = strtoull_l(__a, &__p2, __base, _LIBCPP_GET_C_LOCALE);
-        int __current_errno = errno;
+        typename remove_reference<decltype(errno)>::type __current_errno = errno;
         if (__current_errno == 0)
             errno = __save_errno;
         if (__p2 != __a_end)
@@ -896,13 +902,20 @@ __num_get_float(const char* __a, const char* __a_end, ios_base::iostate& __err)
 {
     if (__a != __a_end)
     {
+        typename remove_reference<decltype(errno)>::type __save_errno = errno;
+        errno = 0;
         char *__p2;
         long double __ld = strtold_l(__a, &__p2, _LIBCPP_GET_C_LOCALE);
+        typename remove_reference<decltype(errno)>::type __current_errno = errno;
+        if (__current_errno == 0)
+            errno = __save_errno;
         if (__p2 != __a_end)
         {
             __err = ios_base::failbit;
             return 0;
         }
+        else if (__current_errno == ERANGE)
+            __err = ios_base::failbit;
         return static_cast<_Tp>(__ld);
     }
     __err = ios_base::failbit;
@@ -958,16 +971,28 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
     char_type __atoms[26];
     char_type __thousands_sep;
     string __grouping = this->__stage2_int_prep(__iob, __atoms, __thousands_sep);
-    char __a[__num_get_base::__num_get_buf_sz] = {0};
+    string __buf;
+    __buf.resize(__buf.capacity());
+    char* __a = &__buf[0];
     char* __a_end = __a;
     unsigned __g[__num_get_base::__num_get_buf_sz];
     unsigned* __g_end = __g;
     unsigned __dc = 0;
     for (; __b != __e; ++__b)
+    {
+        if (__a_end - __a == __buf.size())
+        {
+            size_t __tmp = __buf.size();
+            __buf.resize(2*__buf.size());
+            __buf.resize(__buf.capacity());
+            __a = &__buf[0];
+            __a_end = __a + __tmp;
+        }
         if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc,
                                     __thousands_sep, __grouping, __g, __g_end,
                                     __atoms))
             break;
+    }
     if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz)
         *__g_end++ = __dc;
     // Stage 3
@@ -993,16 +1018,28 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
     char_type __atoms[26];
     char_type __thousands_sep;
     string __grouping = this->__stage2_int_prep(__iob, __atoms, __thousands_sep);
-    char __a[__num_get_base::__num_get_buf_sz] = {0};
+    string __buf;
+    __buf.resize(__buf.capacity());
+    char* __a = &__buf[0];
     char* __a_end = __a;
     unsigned __g[__num_get_base::__num_get_buf_sz];
     unsigned* __g_end = __g;
     unsigned __dc = 0;
     for (; __b != __e; ++__b)
+    {
+        if (__a_end - __a == __buf.size())
+        {
+            size_t __tmp = __buf.size();
+            __buf.resize(2*__buf.size());
+            __buf.resize(__buf.capacity());
+            __a = &__buf[0];
+            __a_end = __a + __tmp;
+        }
         if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc,
                                     __thousands_sep, __grouping, __g, __g_end,
                                     __atoms))
             break;
+    }
     if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz)
         *__g_end++ = __dc;
     // Stage 3
@@ -1028,16 +1065,28 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
     char_type __atoms[26];
     char_type __thousands_sep;
     string __grouping = this->__stage2_int_prep(__iob, __atoms, __thousands_sep);
-    char __a[__num_get_base::__num_get_buf_sz] = {0};
+    string __buf;
+    __buf.resize(__buf.capacity());
+    char* __a = &__buf[0];
     char* __a_end = __a;
     unsigned __g[__num_get_base::__num_get_buf_sz];
     unsigned* __g_end = __g;
     unsigned __dc = 0;
     for (; __b != __e; ++__b)
+    {
+        if (__a_end - __a == __buf.size())
+        {
+            size_t __tmp = __buf.size();
+            __buf.resize(2*__buf.size());
+            __buf.resize(__buf.capacity());
+            __a = &__buf[0];
+            __a_end = __a + __tmp;
+        }
         if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc,
                                     __thousands_sep, __grouping, __g, __g_end,
                                     __atoms))
             break;
+    }
     if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz)
         *__g_end++ = __dc;
     // Stage 3
@@ -1063,16 +1112,28 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
     char_type __atoms[26];
     char_type __thousands_sep;
     string __grouping = this->__stage2_int_prep(__iob, __atoms, __thousands_sep);
-    char __a[__num_get_base::__num_get_buf_sz] = {0};
+    string __buf;
+    __buf.resize(__buf.capacity());
+    char* __a = &__buf[0];
     char* __a_end = __a;
     unsigned __g[__num_get_base::__num_get_buf_sz];
     unsigned* __g_end = __g;
     unsigned __dc = 0;
     for (; __b != __e; ++__b)
+    {
+        if (__a_end - __a == __buf.size())
+        {
+            size_t __tmp = __buf.size();
+            __buf.resize(2*__buf.size());
+            __buf.resize(__buf.capacity());
+            __a = &__buf[0];
+            __a_end = __a + __tmp;
+        }
         if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc,
                                     __thousands_sep, __grouping, __g, __g_end,
                                     __atoms))
             break;
+    }
     if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz)
         *__g_end++ = __dc;
     // Stage 3
@@ -1098,16 +1159,28 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
     char_type __atoms[26];
     char_type __thousands_sep;
     string __grouping = this->__stage2_int_prep(__iob, __atoms, __thousands_sep);
-    char __a[__num_get_base::__num_get_buf_sz] = {0};
+    string __buf;
+    __buf.resize(__buf.capacity());
+    char* __a = &__buf[0];
     char* __a_end = __a;
     unsigned __g[__num_get_base::__num_get_buf_sz];
     unsigned* __g_end = __g;
     unsigned __dc = 0;
     for (; __b != __e; ++__b)
+    {
+        if (__a_end - __a == __buf.size())
+        {
+            size_t __tmp = __buf.size();
+            __buf.resize(2*__buf.size());
+            __buf.resize(__buf.capacity());
+            __a = &__buf[0];
+            __a_end = __a + __tmp;
+        }
         if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc,
                                     __thousands_sep, __grouping, __g, __g_end,
                                     __atoms))
             break;
+    }
     if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz)
         *__g_end++ = __dc;
     // Stage 3
@@ -1133,16 +1206,28 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
     char_type __atoms[26];
     char_type __thousands_sep;
     string __grouping = this->__stage2_int_prep(__iob, __atoms, __thousands_sep);
-    char __a[__num_get_base::__num_get_buf_sz] = {0};
+    string __buf;
+    __buf.resize(__buf.capacity());
+    char* __a = &__buf[0];
     char* __a_end = __a;
     unsigned __g[__num_get_base::__num_get_buf_sz];
     unsigned* __g_end = __g;
     unsigned __dc = 0;
     for (; __b != __e; ++__b)
+    {
+        if (__a_end - __a == __buf.size())
+        {
+            size_t __tmp = __buf.size();
+            __buf.resize(2*__buf.size());
+            __buf.resize(__buf.capacity());
+            __a = &__buf[0];
+            __a_end = __a + __tmp;
+        }
         if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc,
                                     __thousands_sep, __grouping, __g, __g_end,
                                     __atoms))
             break;
+    }
     if (__grouping.size() != 0 && __g_end-__g < __num_get_base::__num_get_buf_sz)
         *__g_end++ = __dc;
     // Stage 3
@@ -1170,7 +1255,9 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
     string __grouping = this->__stage2_float_prep(__iob, __atoms,
                                                   __decimal_point,
                                                   __thousands_sep);
-    char __a[__num_get_base::__num_get_buf_sz] = {0};
+    string __buf;
+    __buf.resize(__buf.capacity());
+    char* __a = &__buf[0];
     char* __a_end = __a;
     unsigned __g[__num_get_base::__num_get_buf_sz];
     unsigned* __g_end = __g;
@@ -1178,11 +1265,21 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
     bool __in_units = true;
     char __exp = 'E';
     for (; __b != __e; ++__b)
+    {
+        if (__a_end - __a == __buf.size())
+        {
+            size_t __tmp = __buf.size();
+            __buf.resize(2*__buf.size());
+            __buf.resize(__buf.capacity());
+            __a = &__buf[0];
+            __a_end = __a + __tmp;
+        }
         if (this->__stage2_float_loop(*__b, __in_units, __exp, __a, __a_end,
                                       __decimal_point, __thousands_sep,
                                       __grouping, __g, __g_end,
                                       __dc, __atoms))
             break;
+    }
     if (__grouping.size() != 0 && __in_units && __g_end-__g < __num_get_base::__num_get_buf_sz)
         *__g_end++ = __dc;
     // Stage 3
@@ -1210,7 +1307,9 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
     string __grouping = this->__stage2_float_prep(__iob, __atoms,
                                                   __decimal_point,
                                                   __thousands_sep);
-    char __a[__num_get_base::__num_get_buf_sz] = {0};
+    string __buf;
+    __buf.resize(__buf.capacity());
+    char* __a = &__buf[0];
     char* __a_end = __a;
     unsigned __g[__num_get_base::__num_get_buf_sz];
     unsigned* __g_end = __g;
@@ -1218,11 +1317,21 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
     bool __in_units = true;
     char __exp = 'E';
     for (; __b != __e; ++__b)
+    {
+        if (__a_end - __a == __buf.size())
+        {
+            size_t __tmp = __buf.size();
+            __buf.resize(2*__buf.size());
+            __buf.resize(__buf.capacity());
+            __a = &__buf[0];
+            __a_end = __a + __tmp;
+        }
         if (this->__stage2_float_loop(*__b, __in_units, __exp, __a, __a_end,
                                       __decimal_point, __thousands_sep,
                                       __grouping, __g, __g_end,
                                       __dc, __atoms))
             break;
+    }
     if (__grouping.size() != 0 && __in_units && __g_end-__g < __num_get_base::__num_get_buf_sz)
         *__g_end++ = __dc;
     // Stage 3
@@ -1250,7 +1359,9 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
     string __grouping = this->__stage2_float_prep(__iob, __atoms,
                                                   __decimal_point,
                                                   __thousands_sep);
-    char __a[__num_get_base::__num_get_buf_sz] = {0};
+    string __buf;
+    __buf.resize(__buf.capacity());
+    char* __a = &__buf[0];
     char* __a_end = __a;
     unsigned __g[__num_get_base::__num_get_buf_sz];
     unsigned* __g_end = __g;
@@ -1258,11 +1369,21 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
     bool __in_units = true;
     char __exp = 'E';
     for (; __b != __e; ++__b)
+    {
+        if (__a_end - __a == __buf.size())
+        {
+            size_t __tmp = __buf.size();
+            __buf.resize(2*__buf.size());
+            __buf.resize(__buf.capacity());
+            __a = &__buf[0];
+            __a_end = __a + __tmp;
+        }
         if (this->__stage2_float_loop(*__b, __in_units, __exp, __a, __a_end,
                                       __decimal_point, __thousands_sep,
                                       __grouping, __g, __g_end,
                                       __dc, __atoms))
             break;
+    }
     if (__grouping.size() != 0 && __in_units && __g_end-__g < __num_get_base::__num_get_buf_sz)
         *__g_end++ = __dc;
     // Stage 3
@@ -1290,16 +1411,28 @@ num_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
     string __grouping;
     use_facet<ctype<_CharT> >(__iob.getloc()).widen(__num_get_base::__src,
                                                     __num_get_base::__src + 26, __atoms);
-    char __a[__num_get_base::__num_get_buf_sz] = {0};
+    string __buf;
+    __buf.resize(__buf.capacity());
+    char* __a = &__buf[0];
     char* __a_end = __a;
     unsigned __g[__num_get_base::__num_get_buf_sz];
     unsigned* __g_end = __g;
     unsigned __dc = 0;
     for (; __b != __e; ++__b)
+    {
+        if (__a_end - __a == __buf.size())
+        {
+            size_t __tmp = __buf.size();
+            __buf.resize(2*__buf.size());
+            __buf.resize(__buf.capacity());
+            __a = &__buf[0];
+            __a_end = __a + __tmp;
+        }
         if (this->__stage2_int_loop(*__b, __base, __a, __a_end, __dc,
                                     __thousands_sep, __grouping,
                                     __g, __g_end, __atoms))
             break;
+    }
     // Stage 3
     __a[sizeof(__a)-1] = 0;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
@@ -1468,7 +1601,7 @@ _LIBCPP_EXTERN_TEMPLATE(struct __num_put<char>)
 _LIBCPP_EXTERN_TEMPLATE(struct __num_put<wchar_t>)
 
 template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> >
-class _LIBCPP_VISIBLE num_put
+class _LIBCPP_TYPE_VIS num_put
     : public locale::facet,
       private __num_put<_CharT>
 {
@@ -1587,6 +1720,10 @@ __pad_and_output(_OutputIterator __s,
     return __s;
 }
 
+#if !defined(__APPLE__) || \
+    (defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED > __MAC_10_8) || \
+    (defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED > __IPHONE_6_0)
+
 template <class _CharT, class _Traits>
 _LIBCPP_HIDDEN
 ostreambuf_iterator<_CharT, _Traits>
@@ -1633,6 +1770,8 @@ __pad_and_output(ostreambuf_iterator<_CharT, _Traits> __s,
     return __s;
 }
 
+#endif
+
 template <class _CharT, class _OutputIterator>
 _OutputIterator
 num_put<_CharT, _OutputIterator>::do_put(iter_type __s, ios_base& __iob,
@@ -1974,7 +2113,7 @@ __get_up_to_n_digits(_InputIterator& __b, _InputIterator __e,
     return __r;
 }
 
-class _LIBCPP_VISIBLE time_base
+class _LIBCPP_TYPE_VIS time_base
 {
 public:
     enum dateorder {no_order, dmy, mdy, ymd, ydm};
@@ -1996,7 +2135,7 @@ protected:
 };
 
 template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> >
-class _LIBCPP_VISIBLE time_get
+class _LIBCPP_TYPE_VIS time_get
     : public locale::facet,
       public time_base,
       private __time_get_c_storage<_CharT>
@@ -2646,7 +2785,7 @@ private:
 };
 
 template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> >
-class _LIBCPP_VISIBLE time_get_byname
+class _LIBCPP_TYPE_VIS time_get_byname
     : public time_get<_CharT, _InputIterator>,
       private __time_get_storage<_CharT>
 {
@@ -2706,7 +2845,7 @@ protected:
 };
 
 template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> >
-class _LIBCPP_VISIBLE time_put
+class _LIBCPP_TYPE_VIS time_put
     : public locale::facet,
       private __time_put
 {
@@ -2805,7 +2944,7 @@ _LIBCPP_EXTERN_TEMPLATE(class time_put<char>)
 _LIBCPP_EXTERN_TEMPLATE(class time_put<wchar_t>)
 
 template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> >
-class _LIBCPP_VISIBLE time_put_byname
+class _LIBCPP_TYPE_VIS time_put_byname
     : public time_put<_CharT, _OutputIterator>
 {
 public:
@@ -2827,7 +2966,7 @@ _LIBCPP_EXTERN_TEMPLATE(class time_put_byname<wchar_t>)
 
 // money_base
 
-class _LIBCPP_VISIBLE money_base
+class _LIBCPP_TYPE_VIS money_base
 {
 public:
     enum part {none, space, symbol, sign, value};
@@ -2839,7 +2978,7 @@ public:
 // moneypunct
 
 template <class _CharT, bool _International = false>
-class _LIBCPP_VISIBLE moneypunct
+class _LIBCPP_TYPE_VIS moneypunct
     : public locale::facet,
       public money_base
 {
@@ -2885,6 +3024,10 @@ template <class _CharT, bool _International>
 locale::id
 moneypunct<_CharT, _International>::id;
 
+template <class _CharT, bool _International>
+const bool
+moneypunct<_CharT, _International>::intl;
+
 _LIBCPP_EXTERN_TEMPLATE(class moneypunct<char, false>)
 _LIBCPP_EXTERN_TEMPLATE(class moneypunct<char, true>)
 _LIBCPP_EXTERN_TEMPLATE(class moneypunct<wchar_t, false>)
@@ -2893,7 +3036,7 @@ _LIBCPP_EXTERN_TEMPLATE(class moneypunct<wchar_t, true>)
 // moneypunct_byname
 
 template <class _CharT, bool _International = false>
-class _LIBCPP_VISIBLE moneypunct_byname
+class _LIBCPP_TYPE_VIS moneypunct_byname
     : public moneypunct<_CharT, _International>
 {
 public:
@@ -3005,7 +3148,7 @@ _LIBCPP_EXTERN_TEMPLATE(class __money_get<char>)
 _LIBCPP_EXTERN_TEMPLATE(class __money_get<wchar_t>)
 
 template <class _CharT, class _InputIterator = istreambuf_iterator<_CharT> >
-class _LIBCPP_VISIBLE money_get
+class _LIBCPP_TYPE_VIS money_get
     : public locale::facet,
       private __money_get<_CharT>
 {
@@ -3339,7 +3482,7 @@ money_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
         if (__neg)
             *__nc++ = '-';
         for (const char_type* __w = __wb.get(); __w < __wn; ++__w, ++__nc)
-            *__nc = __src[find(__atoms, __atoms+sizeof(__atoms), *__w) - __atoms];
+            *__nc = __src[find(__atoms, _VSTD::end(__atoms), *__w) - __atoms];
         *__nc = char();
         if (sscanf(__nbuf, "%Lf", &__v) != 1)
             __throw_runtime_error("money_get error");
@@ -3561,7 +3704,7 @@ _LIBCPP_EXTERN_TEMPLATE(class __money_put<char>)
 _LIBCPP_EXTERN_TEMPLATE(class __money_put<wchar_t>)
 
 template <class _CharT, class _OutputIterator = ostreambuf_iterator<_CharT> >
-class _LIBCPP_VISIBLE money_put
+class _LIBCPP_TYPE_VIS money_put
     : public locale::facet,
       private __money_put<_CharT>
 {
@@ -3719,7 +3862,7 @@ _LIBCPP_EXTERN_TEMPLATE(class money_put<wchar_t>)
 
 // messages
 
-class _LIBCPP_VISIBLE messages_base
+class _LIBCPP_TYPE_VIS messages_base
 {
 public:
     typedef ptrdiff_t catalog;
@@ -3728,7 +3871,7 @@ public:
 };
 
 template <class _CharT>
-class _LIBCPP_VISIBLE messages
+class _LIBCPP_TYPE_VIS messages
     : public locale::facet,
       public messages_base
 {
@@ -3779,7 +3922,7 @@ template <class _CharT>
 typename messages<_CharT>::catalog
 messages<_CharT>::do_open(const basic_string<char>& __nm, const locale&) const
 {
-#if _WIN32
+#ifdef _WIN32
     return -1;
 #else // _WIN32
     catalog __cat = (catalog)catopen(__nm.c_str(), NL_CAT_LOCALE);
@@ -3794,7 +3937,7 @@ typename messages<_CharT>::string_type
 messages<_CharT>::do_get(catalog __c, int __set, int __msgid,
                          const string_type& __dflt) const
 {
-#if _WIN32
+#ifdef _WIN32
     return __dflt;
 #else // _WIN32
     string __ndflt;
@@ -3816,7 +3959,7 @@ template <class _CharT>
 void
 messages<_CharT>::do_close(catalog __c) const
 {
-#if !_WIN32
+#if !defined(_WIN32)
     if (__c != -1)
         __c <<= 1;
     nl_catd __cat = (nl_catd)__c;
@@ -3828,7 +3971,7 @@ _LIBCPP_EXTERN_TEMPLATE(class messages<char>)
 _LIBCPP_EXTERN_TEMPLATE(class messages<wchar_t>)
 
 template <class _CharT>
-class _LIBCPP_VISIBLE messages_byname
+class _LIBCPP_TYPE_VIS messages_byname
     : public messages<_CharT>
 {
 public:
@@ -3854,7 +3997,7 @@ _LIBCPP_EXTERN_TEMPLATE(class messages_byname<wchar_t>)
 template<class _Codecvt, class _Elem = wchar_t,
          class _Wide_alloc = allocator<_Elem>,
          class _Byte_alloc = allocator<char> >
-class _LIBCPP_VISIBLE wstring_convert
+class _LIBCPP_TYPE_VIS wstring_convert
 {
 public:
     typedef basic_string<char, char_traits<char>, _Byte_alloc>   byte_string;
@@ -4107,7 +4250,7 @@ wstring_convert<_Codecvt, _Elem, _Wide_alloc, _Byte_alloc>::
 }
 
 template <class _Codecvt, class _Elem = wchar_t, class _Tr = char_traits<_Elem> >
-class _LIBCPP_VISIBLE wbuffer_convert
+class _LIBCPP_TYPE_VIS wbuffer_convert
     : public basic_streambuf<_Elem, _Tr>
 {
 public:

include/map

@@ -537,7 +537,7 @@ template <class _Key, class _Tp, class _Compare, class _Allocator>
 template <class _TreeIterator> class __map_const_iterator;
 
 template <class _TreeIterator>
-class _LIBCPP_VISIBLE __map_iterator
+class _LIBCPP_TYPE_VIS __map_iterator
 {
     _TreeIterator __i_;
 
@@ -596,13 +596,13 @@ public:
     bool operator!=(const __map_iterator& __x, const __map_iterator& __y)
         {return __x.__i_ != __y.__i_;}
 
-    template <class, class, class, class> friend class _LIBCPP_VISIBLE map;
-    template <class, class, class, class> friend class _LIBCPP_VISIBLE multimap;
-    template <class> friend class _LIBCPP_VISIBLE __map_const_iterator;
+    template <class, class, class, class> friend class _LIBCPP_TYPE_VIS map;
+    template <class, class, class, class> friend class _LIBCPP_TYPE_VIS multimap;
+    template <class> friend class _LIBCPP_TYPE_VIS __map_const_iterator;
 };
 
 template <class _TreeIterator>
-class _LIBCPP_VISIBLE __map_const_iterator
+class _LIBCPP_TYPE_VIS __map_const_iterator
 {
     _TreeIterator __i_;
 
@@ -665,14 +665,14 @@ public:
     bool operator!=(const __map_const_iterator& __x, const __map_const_iterator& __y)
         {return __x.__i_ != __y.__i_;}
 
-    template <class, class, class, class> friend class _LIBCPP_VISIBLE map;
-    template <class, class, class, class> friend class _LIBCPP_VISIBLE multimap;
-    template <class, class, class> friend class _LIBCPP_VISIBLE __tree_const_iterator;
+    template <class, class, class, class> friend class _LIBCPP_TYPE_VIS map;
+    template <class, class, class, class> friend class _LIBCPP_TYPE_VIS multimap;
+    template <class, class, class> friend class _LIBCPP_TYPE_VIS __tree_const_iterator;
 };
 
 template <class _Key, class _Tp, class _Compare = less<_Key>,
           class _Allocator = allocator<pair<const _Key, _Tp> > >
-class _LIBCPP_VISIBLE map
+class _LIBCPP_TYPE_VIS map
 {
 public:
     // types:
@@ -684,7 +684,7 @@ public:
     typedef value_type&                              reference;
     typedef const value_type&                        const_reference;
 
-    class _LIBCPP_VISIBLE value_compare
+    class _LIBCPP_TYPE_VIS value_compare
         : public binary_function<value_type, value_type, bool>
     {
         friend class map;
@@ -1422,7 +1422,7 @@ swap(map<_Key, _Tp, _Compare, _Allocator>& __x,
 
 template <class _Key, class _Tp, class _Compare = less<_Key>,
           class _Allocator = allocator<pair<const _Key, _Tp> > >
-class _LIBCPP_VISIBLE multimap
+class _LIBCPP_TYPE_VIS multimap
 {
 public:
     // types:
@@ -1434,7 +1434,7 @@ public:
     typedef value_type&                              reference;
     typedef const value_type&                        const_reference;
 
-    class _LIBCPP_VISIBLE value_compare
+    class _LIBCPP_TYPE_VIS value_compare
         : public binary_function<value_type, value_type, bool>
     {
         friend class multimap;

include/memory

@@ -621,7 +621,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 _Tp*
 addressof(_Tp& __x) _NOEXCEPT
 {
-    return (_Tp*)&(char&)__x;
+    return (_Tp*)&reinterpret_cast<const volatile char&>(__x);
 }
 
 #if defined(_LIBCPP_HAS_OBJC_ARC) && !defined(_LIBCPP_PREDEFINED_OBJC_ARC_ADDRESSOF)
@@ -667,7 +667,7 @@ addressof(__unsafe_unretained _Tp& __x) _NOEXCEPT
 template <class _Tp> class allocator;
 
 template <>
-class _LIBCPP_VISIBLE allocator<void>
+class _LIBCPP_TYPE_VIS allocator<void>
 {
 public:
     typedef void*             pointer;
@@ -678,7 +678,7 @@ public:
 };
 
 template <>
-class _LIBCPP_VISIBLE allocator<const void>
+class _LIBCPP_TYPE_VIS allocator<const void>
 {
 public:
     typedef const void*       pointer;
@@ -913,7 +913,7 @@ struct __pointer_traits_rebind<_Sp<_Tp, _A0, _A1, _A2>, _Up, false>
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 
 template <class _Ptr>
-struct _LIBCPP_VISIBLE pointer_traits
+struct _LIBCPP_TYPE_VIS pointer_traits
 {
     typedef _Ptr                                                     pointer;
     typedef typename __pointer_traits_element_type<pointer>::type    element_type;
@@ -936,7 +936,7 @@ public:
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE pointer_traits<_Tp*>
+struct _LIBCPP_TYPE_VIS pointer_traits<_Tp*>
 {
     typedef _Tp*      pointer;
     typedef _Tp       element_type;
@@ -1443,7 +1443,7 @@ struct __alloc_traits_difference_type<_Alloc, _Ptr, true>
 };
 
 template <class _Alloc>
-struct _LIBCPP_VISIBLE allocator_traits
+struct _LIBCPP_TYPE_VIS allocator_traits
 {
     typedef _Alloc                              allocator_type;
     typedef typename allocator_type::value_type value_type;
@@ -1571,7 +1571,10 @@ struct _LIBCPP_VISIBLE allocator_traits
         __construct_backward(allocator_type& __a, _Ptr __begin1, _Ptr __end1, _Ptr& __end2)
         {
             while (__end1 != __begin1)
-                construct(__a, _VSTD::__to_raw_pointer(--__end2), _VSTD::move_if_noexcept(*--__end1));
+            {
+                construct(__a, _VSTD::__to_raw_pointer(__end2-1), _VSTD::move_if_noexcept(*--__end1));
+                --__end2;
+            }
         }
 
     template <class _Tp>
@@ -1646,7 +1649,7 @@ private:
 // allocator
 
 template <class _Tp>
-class _LIBCPP_VISIBLE allocator
+class _LIBCPP_TYPE_VIS allocator
 {
 public:
     typedef size_t            size_type;
@@ -1738,7 +1741,7 @@ public:
 };
 
 template <class _Tp>
-class _LIBCPP_VISIBLE allocator<const _Tp>
+class _LIBCPP_TYPE_VIS allocator<const _Tp>
 {
 public:
     typedef size_t            size_type;
@@ -1836,7 +1839,7 @@ inline _LIBCPP_INLINE_VISIBILITY
 bool operator!=(const allocator<_Tp>&, const allocator<_Up>&) _NOEXCEPT {return false;}
 
 template <class _OutputIterator, class _Tp>
-class _LIBCPP_VISIBLE raw_storage_iterator
+class _LIBCPP_TYPE_VIS raw_storage_iterator
     : public iterator<output_iterator_tag,
                       _Tp,                                         // purposefully not C++03
                       ptrdiff_t,                                   // purposefully not C++03
@@ -1889,7 +1892,7 @@ struct auto_ptr_ref
 };
 
 template<class _Tp>
-class _LIBCPP_VISIBLE auto_ptr
+class _LIBCPP_TYPE_VIS auto_ptr
 {
 private:
     _Tp* __ptr_;
@@ -1933,7 +1936,7 @@ public:
 };
 
 template <>
-class _LIBCPP_VISIBLE auto_ptr<void>
+class _LIBCPP_TYPE_VIS auto_ptr<void>
 {
 public:
     typedef void element_type;
@@ -2033,6 +2036,10 @@ public:
             return *this;
         }
 
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+#endif  // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
+
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2>
@@ -2048,10 +2055,6 @@ public:
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
-#endif  // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
-
     _LIBCPP_INLINE_VISIBILITY _T1_reference       first() _NOEXCEPT       {return __first_;}
     _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return __first_;}
 
@@ -2128,6 +2131,10 @@ public:
             return *this;
         }
 
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+#endif  // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
+
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2>
@@ -2143,10 +2150,6 @@ public:
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
-#endif  // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
-
     _LIBCPP_INLINE_VISIBILITY _T1_reference       first() _NOEXCEPT       {return *this;}
     _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return *this;}
 
@@ -2224,6 +2227,10 @@ public:
             return *this;
         }
 
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+#endif  // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
+
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2>
@@ -2240,10 +2247,6 @@ public:
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
-#endif  // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
-
     _LIBCPP_INLINE_VISIBILITY _T1_reference       first() _NOEXCEPT       {return __first_;}
     _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return __first_;}
 
@@ -2318,6 +2321,10 @@ public:
             return *this;
         }
 
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+#endif  // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
+
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template <class... _Args1, class... _Args2, size_t... _I1, size_t... _I2>
@@ -2333,10 +2340,6 @@ public:
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
-#endif  // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
-
     _LIBCPP_INLINE_VISIBILITY _T1_reference       first() _NOEXCEPT       {return *this;}
     _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return *this;}
 
@@ -2406,6 +2409,10 @@ public:
             return *this;
         }
 
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+#endif  // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
+
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
     template <class... _Args1, class... _Args2>
@@ -2419,10 +2426,6 @@ public:
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 
-#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
-
-#endif  // _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
-
     _LIBCPP_INLINE_VISIBILITY _T1_reference       first() _NOEXCEPT       {return base::first();}
     _LIBCPP_INLINE_VISIBILITY _T1_const_reference first() const _NOEXCEPT {return base::first();}
 
@@ -2469,7 +2472,7 @@ struct __same_or_less_cv_qualified<_Ptr1, _Ptr2, true>
 // default_delete
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE default_delete
+struct _LIBCPP_TYPE_VIS default_delete
 {
 #ifndef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
     _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR default_delete() _NOEXCEPT = default;
@@ -2482,12 +2485,13 @@ struct _LIBCPP_VISIBLE default_delete
     _LIBCPP_INLINE_VISIBILITY void operator() (_Tp* __ptr) const _NOEXCEPT
         {
             static_assert(sizeof(_Tp) > 0, "default_delete can not delete incomplete type");
+            static_assert(!is_void<_Tp>::value, "default_delete can not delete incomplete type");
             delete __ptr;
         }
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE default_delete<_Tp[]>
+struct _LIBCPP_TYPE_VIS default_delete<_Tp[]>
 {
 public:
 #ifndef _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
@@ -2504,12 +2508,13 @@ public:
                          typename enable_if<__same_or_less_cv_qualified<_Up*, _Tp*>::value>::type* = 0) const _NOEXCEPT
         {
             static_assert(sizeof(_Tp) > 0, "default_delete can not delete incomplete type");
+            static_assert(!is_void<_Tp>::value, "default_delete can not delete incomplete type");
             delete [] __ptr;
         }
 };
 
 template <class _Tp, class _Dp = default_delete<_Tp> >
-class _LIBCPP_VISIBLE unique_ptr
+class _LIBCPP_TYPE_VIS unique_ptr
 {
 public:
     typedef _Tp element_type;
@@ -2688,7 +2693,7 @@ public:
 };
 
 template <class _Tp, class _Dp>
-class _LIBCPP_VISIBLE unique_ptr<_Tp[], _Dp>
+class _LIBCPP_TYPE_VIS unique_ptr<_Tp[], _Dp>
 {
 public:
     typedef _Tp element_type;
@@ -3390,7 +3395,7 @@ struct __scalar_hash<_Tp, 4>
 };
 
 template<class _Tp>
-struct _LIBCPP_VISIBLE hash<_Tp*>
+struct _LIBCPP_TYPE_VIS hash<_Tp*>
     : public unary_function<_Tp*, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -3407,7 +3412,7 @@ struct _LIBCPP_VISIBLE hash<_Tp*>
 };
 
 template <class _Tp, class _Dp>
-struct _LIBCPP_VISIBLE hash<unique_ptr<_Tp, _Dp> >
+struct _LIBCPP_TYPE_VIS hash<unique_ptr<_Tp, _Dp> >
 {
     typedef unique_ptr<_Tp, _Dp> argument_type;
     typedef size_t               result_type;
@@ -3580,7 +3585,7 @@ public:
     virtual const char* what() const  _NOEXCEPT;
 };
 
-template<class _Tp> class _LIBCPP_VISIBLE weak_ptr;
+template<class _Tp> class _LIBCPP_TYPE_VIS weak_ptr;
 
 class __shared_count
 {
@@ -3626,10 +3631,13 @@ public:
     long use_count() const _NOEXCEPT {return __shared_count::use_count();}
     __shared_weak_count* lock() _NOEXCEPT;
 
-    // purposefully not protected with #ifndef _LIBCPP_NO_RTTI because doing so
-    //  breaks ABI for those clients who need to compile their projects with
-    //    -fno-rtti and yet link against a libc++.dylib compiled without -fno-rtti.
+    // Define the function out only if we build static libc++ without RTTI.
+    // Otherwise we may break clients who need to compile their projects with
+    // -fno-rtti and yet link against a libc++.dylib compiled
+    // without -fno-rtti.
+#if !defined(_LIBCPP_NO_RTTI) || !defined(_LIBCPP_BUILD_STATIC)
     virtual const void* __get_deleter(const type_info&) const _NOEXCEPT;
+#endif
 private:
     virtual void __on_zero_shared_weak() _NOEXCEPT = 0;
 };
@@ -3746,10 +3754,10 @@ __shared_ptr_emplace<_Tp, _Alloc>::__on_zero_shared_weak() _NOEXCEPT
     __a.deallocate(this, 1);
 }
 
-template<class _Tp> class _LIBCPP_VISIBLE enable_shared_from_this;
+template<class _Tp> class _LIBCPP_TYPE_VIS enable_shared_from_this;
 
 template<class _Tp>
-class _LIBCPP_VISIBLE shared_ptr
+class _LIBCPP_TYPE_VIS shared_ptr
 {
 public:
     typedef _Tp element_type;
@@ -4018,8 +4026,8 @@ private:
     _LIBCPP_INLINE_VISIBILITY
     void __enable_weak_this(const void*) _NOEXCEPT {}
 
-    template <class _Up> friend class _LIBCPP_VISIBLE shared_ptr;
-    template <class _Up> friend class _LIBCPP_VISIBLE weak_ptr;
+    template <class _Up> friend class _LIBCPP_TYPE_VIS shared_ptr;
+    template <class _Up> friend class _LIBCPP_TYPE_VIS weak_ptr;
 };
 
 template<class _Tp>
@@ -4915,7 +4923,7 @@ get_deleter(const shared_ptr<_Tp>& __p) _NOEXCEPT
 #endif  // _LIBCPP_NO_RTTI
 
 template<class _Tp>
-class _LIBCPP_VISIBLE weak_ptr
+class _LIBCPP_TYPE_VIS weak_ptr
 {
 public:
     typedef _Tp element_type;
@@ -4990,8 +4998,8 @@ public:
         bool owner_before(const weak_ptr<_Up>& __r) const
         {return __cntrl_ < __r.__cntrl_;}
 
-    template <class _Up> friend class _LIBCPP_VISIBLE weak_ptr;
-    template <class _Up> friend class _LIBCPP_VISIBLE shared_ptr;
+    template <class _Up> friend class _LIBCPP_TYPE_VIS weak_ptr;
+    template <class _Up> friend class _LIBCPP_TYPE_VIS shared_ptr;
 };
 
 template<class _Tp>
@@ -5191,7 +5199,7 @@ weak_ptr<_Tp>::lock() const _NOEXCEPT
 template <class _Tp> struct owner_less;
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE owner_less<shared_ptr<_Tp> >
+struct _LIBCPP_TYPE_VIS owner_less<shared_ptr<_Tp> >
     : binary_function<shared_ptr<_Tp>, shared_ptr<_Tp>, bool>
 {
     typedef bool result_type;
@@ -5207,7 +5215,7 @@ struct _LIBCPP_VISIBLE owner_less<shared_ptr<_Tp> >
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE owner_less<weak_ptr<_Tp> >
+struct _LIBCPP_TYPE_VIS owner_less<weak_ptr<_Tp> >
     : binary_function<weak_ptr<_Tp>, weak_ptr<_Tp>, bool>
 {
     typedef bool result_type;
@@ -5223,7 +5231,7 @@ struct _LIBCPP_VISIBLE owner_less<weak_ptr<_Tp> >
 };
 
 template<class _Tp>
-class _LIBCPP_VISIBLE enable_shared_from_this
+class _LIBCPP_TYPE_VIS enable_shared_from_this
 {
     mutable weak_ptr<_Tp> __weak_this_;
 protected:
@@ -5248,7 +5256,7 @@ public:
 };
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE hash<shared_ptr<_Tp> >
+struct _LIBCPP_TYPE_VIS hash<shared_ptr<_Tp> >
 {
     typedef shared_ptr<_Tp>      argument_type;
     typedef size_t               result_type;
@@ -5278,10 +5286,10 @@ private:
     __sp_mut(const __sp_mut&);
     __sp_mut& operator=(const __sp_mut&);
 
-    friend _LIBCPP_VISIBLE __sp_mut& __get_sp_mut(const void*);
+    friend _LIBCPP_FUNC_VIS __sp_mut& __get_sp_mut(const void*);
 };
 
-_LIBCPP_VISIBLE __sp_mut& __get_sp_mut(const void*);
+_LIBCPP_FUNC_VIS __sp_mut& __get_sp_mut(const void*);
 
 template <class _Tp>
 inline _LIBCPP_INLINE_VISIBILITY
@@ -5393,7 +5401,7 @@ atomic_compare_exchange_weak_explicit(shared_ptr<_Tp>* __p, shared_ptr<_Tp>* __v
 #endif  // __has_feature(cxx_atomic)
 
 //enum class
-struct _LIBCPP_VISIBLE pointer_safety
+struct _LIBCPP_TYPE_VIS pointer_safety
 {
     enum __lx
     {

include/mutex

@@ -187,7 +187,7 @@ template<class Callable, class ...Args>
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-class _LIBCPP_VISIBLE recursive_mutex
+class _LIBCPP_TYPE_VIS recursive_mutex
 {
     pthread_mutex_t __m_;
 
@@ -209,7 +209,7 @@ public:
     native_handle_type native_handle() {return &__m_;}
 };
 
-class _LIBCPP_VISIBLE timed_mutex
+class _LIBCPP_TYPE_VIS timed_mutex
 {
     mutex              __m_;
     condition_variable __cv_;
@@ -251,7 +251,7 @@ timed_mutex::try_lock_until(const chrono::time_point<_Clock, _Duration>& __t)
     return false;
 }
 
-class _LIBCPP_VISIBLE recursive_timed_mutex
+class _LIBCPP_TYPE_VIS recursive_timed_mutex
 {
     mutex              __m_;
     condition_variable __cv_;
@@ -425,7 +425,7 @@ lock(_L0& __l0, _L1& __l1, _L2& __l2, _L3& ...__l3)
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 
-struct _LIBCPP_VISIBLE once_flag;
+struct _LIBCPP_TYPE_VIS once_flag;
 
 #ifndef _LIBCPP_HAS_NO_VARIADICS
 
@@ -441,7 +441,7 @@ void call_once(once_flag&, _Callable);
 
 #endif  // _LIBCPP_HAS_NO_VARIADICS
 
-struct _LIBCPP_VISIBLE once_flag
+struct _LIBCPP_TYPE_VIS once_flag
 {
     _LIBCPP_INLINE_VISIBILITY
     _LIBCPP_CONSTEXPR

include/new

@@ -83,31 +83,31 @@ public:
 
 void __throw_bad_alloc();  // not in C++ spec
 
-struct _LIBCPP_VISIBLE nothrow_t {};
-extern _LIBCPP_VISIBLE const nothrow_t nothrow;
+struct _LIBCPP_TYPE_VIS nothrow_t {};
+extern _LIBCPP_FUNC_VIS 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_FUNC_VIS new_handler set_new_handler(new_handler) _NOEXCEPT;
+_LIBCPP_FUNC_VIS new_handler get_new_handler() _NOEXCEPT;
 
 }  // std
 
-_LIBCPP_VISIBLE void* operator new(std::size_t __sz)
+_LIBCPP_FUNC_VIS void* operator new(std::size_t __sz)
 #if !__has_feature(cxx_noexcept)
     throw(std::bad_alloc)
 #endif
 ;
-_LIBCPP_VISIBLE void* operator new(std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS;
-_LIBCPP_VISIBLE void  operator delete(void* __p) _NOEXCEPT;
-_LIBCPP_VISIBLE void  operator delete(void* __p, const std::nothrow_t&) _NOEXCEPT;
+_LIBCPP_FUNC_VIS void* operator new(std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS;
+_LIBCPP_FUNC_VIS void  operator delete(void* __p) _NOEXCEPT;
+_LIBCPP_FUNC_VIS void  operator delete(void* __p, const std::nothrow_t&) _NOEXCEPT;
 
-_LIBCPP_VISIBLE void* operator new[](std::size_t __sz)
+_LIBCPP_FUNC_VIS void* operator new[](std::size_t __sz)
 #if !__has_feature(cxx_noexcept)
     throw(std::bad_alloc)
 #endif
 ;
-_LIBCPP_VISIBLE void* operator new[](std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS;
-_LIBCPP_VISIBLE void  operator delete[](void* __p) _NOEXCEPT;
-_LIBCPP_VISIBLE void  operator delete[](void* __p, const std::nothrow_t&) _NOEXCEPT;
+_LIBCPP_FUNC_VIS void* operator new[](std::size_t __sz, const std::nothrow_t&) _NOEXCEPT _NOALIAS;
+_LIBCPP_FUNC_VIS void  operator delete[](void* __p) _NOEXCEPT;
+_LIBCPP_FUNC_VIS void  operator delete[](void* __p, const std::nothrow_t&) _NOEXCEPT;
 
 _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;}

include/ostream

@@ -140,7 +140,7 @@ template <class charT, class traits, class T>
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _CharT, class _Traits>
-class _LIBCPP_VISIBLE basic_ostream
+class _LIBCPP_TYPE_VIS basic_ostream
     : virtual public basic_ios<_CharT, _Traits>
 {
 public:
@@ -169,7 +169,7 @@ protected:
 public:
 
     // 27.7.2.4 Prefix/suffix:
-    class _LIBCPP_VISIBLE sentry;
+    class _LIBCPP_TYPE_VIS sentry;
 
     // 27.7.2.6 Formatted output:
     basic_ostream& operator<<(basic_ostream& (*__pf)(basic_ostream&));
@@ -207,7 +207,7 @@ protected:
 };
 
 template <class _CharT, class _Traits>
-class _LIBCPP_VISIBLE basic_ostream<_CharT, _Traits>::sentry
+class _LIBCPP_TYPE_VIS basic_ostream<_CharT, _Traits>::sentry
 {
     bool __ok_;
     basic_ostream<_CharT, _Traits>& __os_;
@@ -1100,17 +1100,8 @@ basic_ostream<_CharT, _Traits>::write(const char_type* __s, streamsize __n)
         sentry __sen(*this);
         if (__sen && __n)
         {
-            typedef ostreambuf_iterator<_CharT, _Traits> _Op;
-            _Op __o(*this);
-            for (; __n; --__n, ++__o, ++__s)
-            {
-                *__o = *__s;
-                if (__o.failed())
-                {
-                    this->setstate(ios_base::badbit);
-                    break;
-                }
-            }
+            if (this->rdbuf()->sputn(__s, __n) != __n)
+                this->setstate(ios_base::badbit);
         }
 #ifndef _LIBCPP_NO_EXCEPTIONS
     }

include/queue

@@ -177,7 +177,7 @@ template <class T, class Container, class Compare>
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _Tp, class _Container> class _LIBCPP_VISIBLE queue;
+template <class _Tp, class _Container> class _LIBCPP_TYPE_VIS queue;
 
 template <class _Tp, class _Container>
 _LIBCPP_INLINE_VISIBILITY
@@ -190,7 +190,7 @@ bool
 operator< (const queue<_Tp, _Container>& __x,const queue<_Tp, _Container>& __y);
 
 template <class _Tp, class _Container = deque<_Tp> >
-class _LIBCPP_VISIBLE queue
+class _LIBCPP_TYPE_VIS queue
 {
 public:
     typedef _Container                               container_type;
@@ -376,14 +376,14 @@ swap(queue<_Tp, _Container>& __x, queue<_Tp, _Container>& __y)
 }
 
 template <class _Tp, class _Container, class _Alloc>
-struct _LIBCPP_VISIBLE uses_allocator<queue<_Tp, _Container>, _Alloc>
+struct _LIBCPP_TYPE_VIS uses_allocator<queue<_Tp, _Container>, _Alloc>
     : public uses_allocator<_Container, _Alloc>
 {
 };
 
 template <class _Tp, class _Container = vector<_Tp>,
           class _Compare = less<typename _Container::value_type> >
-class _LIBCPP_VISIBLE priority_queue
+class _LIBCPP_TYPE_VIS priority_queue
 {
 public:
     typedef _Container                               container_type;
@@ -707,7 +707,7 @@ swap(priority_queue<_Tp, _Container, _Compare>& __x,
 }
 
 template <class _Tp, class _Container, class _Compare, class _Alloc>
-struct _LIBCPP_VISIBLE uses_allocator<priority_queue<_Tp, _Container, _Compare>, _Alloc>
+struct _LIBCPP_TYPE_VIS uses_allocator<priority_queue<_Tp, _Container, _Compare>, _Alloc>
     : public uses_allocator<_Container, _Alloc>
 {
 };

include/random

@@ -1813,7 +1813,7 @@ struct __lce_ta<__a, __c, __m, (unsigned short)(~0), __b>
 };
 
 template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
-class _LIBCPP_VISIBLE linear_congruential_engine;
+class _LIBCPP_TYPE_VIS linear_congruential_engine;
 
 template <class _CharT, class _Traits,
           class _Up, _Up _Ap, _Up _Cp, _Up _Np>
@@ -1829,7 +1829,7 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
            linear_congruential_engine<_Up, _Ap, _Cp, _Np>& __x);
 
 template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
-class _LIBCPP_VISIBLE linear_congruential_engine
+class _LIBCPP_TYPE_VIS linear_congruential_engine
 {
 public:
     // types
@@ -1930,6 +1930,22 @@ private:
                linear_congruential_engine<_Up, _Ap, _Cp, _Np>& __x);
 };
 
+template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
+    _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type
+    linear_congruential_engine<_UIntType, __a, __c, __m>::multiplier;
+
+template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
+    _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type
+    linear_congruential_engine<_UIntType, __a, __c, __m>::increment;
+
+template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
+    _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type
+    linear_congruential_engine<_UIntType, __a, __c, __m>::modulus;
+
+template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
+    _LIBCPP_CONSTEXPR const typename linear_congruential_engine<_UIntType, __a, __c, __m>::result_type
+    linear_congruential_engine<_UIntType, __a, __c, __m>::default_seed;
+
 template <class _UIntType, _UIntType __a, _UIntType __c, _UIntType __m>
 template<class _Sseq>
 void
@@ -2022,7 +2038,7 @@ typedef minstd_rand                                       default_random_engine;
 template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
           _UIntType __a, size_t __u, _UIntType __d, size_t __s,
           _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
-class _LIBCPP_VISIBLE mersenne_twister_engine;
+class _LIBCPP_TYPE_VIS mersenne_twister_engine;
 
 template <class _UI, size_t _Wp, size_t _Np, size_t _Mp, size_t _Rp,
           _UI _Ap, size_t _Up, _UI _Dp, size_t _Sp,
@@ -2064,7 +2080,7 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
           _UIntType __a, size_t __u, _UIntType __d, size_t __s,
           _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
-class _LIBCPP_VISIBLE mersenne_twister_engine
+class _LIBCPP_TYPE_VIS mersenne_twister_engine
 {
 public:
     // types
@@ -2227,6 +2243,90 @@ private:
         __rshift(result_type) {return result_type(0);}
 };
 
+template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
+          _UIntType __a, size_t __u, _UIntType __d, size_t __s,
+          _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
+    _LIBCPP_CONSTEXPR const size_t
+    mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::word_size;
+
+template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
+          _UIntType __a, size_t __u, _UIntType __d, size_t __s,
+          _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
+    _LIBCPP_CONSTEXPR const size_t 
+    mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::state_size;
+
+template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
+          _UIntType __a, size_t __u, _UIntType __d, size_t __s,
+          _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
+    _LIBCPP_CONSTEXPR const size_t 
+    mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::shift_size;
+
+template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
+          _UIntType __a, size_t __u, _UIntType __d, size_t __s,
+          _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
+    _LIBCPP_CONSTEXPR const size_t 
+    mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::mask_bits;
+
+template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
+          _UIntType __a, size_t __u, _UIntType __d, size_t __s,
+          _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
+    _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type
+    mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::xor_mask;
+
+template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
+          _UIntType __a, size_t __u, _UIntType __d, size_t __s,
+          _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
+    _LIBCPP_CONSTEXPR const size_t 
+    mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_u;
+
+template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
+          _UIntType __a, size_t __u, _UIntType __d, size_t __s,
+          _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
+    _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type
+    mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_d;
+
+template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
+          _UIntType __a, size_t __u, _UIntType __d, size_t __s,
+          _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
+    _LIBCPP_CONSTEXPR const size_t 
+    mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_s;
+
+template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
+          _UIntType __a, size_t __u, _UIntType __d, size_t __s,
+          _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
+    _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type
+    mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_b;
+
+template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
+          _UIntType __a, size_t __u, _UIntType __d, size_t __s,
+          _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
+    _LIBCPP_CONSTEXPR const size_t 
+    mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_t;
+
+template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
+          _UIntType __a, size_t __u, _UIntType __d, size_t __s,
+          _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
+    _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type
+    mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_c;
+
+template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
+          _UIntType __a, size_t __u, _UIntType __d, size_t __s,
+          _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
+    _LIBCPP_CONSTEXPR const size_t 
+    mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::tempering_l;
+
+template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
+          _UIntType __a, size_t __u, _UIntType __d, size_t __s,
+          _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
+    _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type
+    mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::initialization_multiplier;
+
+template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
+          _UIntType __a, size_t __u, _UIntType __d, size_t __s,
+          _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
+    _LIBCPP_CONSTEXPR const typename mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::result_type
+    mersenne_twister_engine<_UIntType, __w, __n, __m, __r, __a, __u, __d, __s, __b, __t, __c, __l, __f>::default_seed;
+
 template <class _UIntType, size_t __w, size_t __n, size_t __m, size_t __r,
           _UIntType __a, size_t __u, _UIntType __d, size_t __s,
           _UIntType __b, size_t __t, _UIntType __c, size_t __l, _UIntType __f>
@@ -2426,7 +2526,7 @@ typedef mersenne_twister_engine<uint_fast64_t, 64, 312, 156, 31,
 // subtract_with_carry_engine
 
 template<class _UIntType, size_t __w, size_t __s, size_t __r>
-class _LIBCPP_VISIBLE subtract_with_carry_engine;
+class _LIBCPP_TYPE_VIS subtract_with_carry_engine;
 
 template<class _UI, size_t _Wp, size_t _Sp, size_t _Rp>
 bool
@@ -2454,7 +2554,7 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
            subtract_with_carry_engine<_UI, _Wp, _Sp, _Rp>& __x);
 
 template<class _UIntType, size_t __w, size_t __s, size_t __r>
-class _LIBCPP_VISIBLE subtract_with_carry_engine
+class _LIBCPP_TYPE_VIS subtract_with_carry_engine
 {
 public:
     // types
@@ -2551,6 +2651,19 @@ private:
         void __seed(_Sseq& __q, integral_constant<unsigned, 2>);
 };
 
+template<class _UIntType, size_t __w, size_t __s, size_t __r>
+    _LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::word_size;
+
+template<class _UIntType, size_t __w, size_t __s, size_t __r>
+    _LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::short_lag;
+
+template<class _UIntType, size_t __w, size_t __s, size_t __r>
+    _LIBCPP_CONSTEXPR const size_t subtract_with_carry_engine<_UIntType, __w, __s, __r>::long_lag;
+
+template<class _UIntType, size_t __w, size_t __s, size_t __r>
+    _LIBCPP_CONSTEXPR const typename subtract_with_carry_engine<_UIntType, __w, __s, __r>::result_type
+    subtract_with_carry_engine<_UIntType, __w, __s, __r>::default_seed;
+
 template<class _UIntType, size_t __w, size_t __s, size_t __r>
 void
 subtract_with_carry_engine<_UIntType, __w, __s, __r>::seed(result_type __sd,
@@ -2724,7 +2837,7 @@ typedef subtract_with_carry_engine<uint_fast64_t, 48,  5, 12>     ranlux48_base;
 // discard_block_engine
 
 template<class _Engine, size_t __p, size_t __r>
-class _LIBCPP_VISIBLE discard_block_engine
+class _LIBCPP_TYPE_VIS discard_block_engine
 {
     _Engine __e_;
     int     __n_;
@@ -2822,6 +2935,12 @@ public:
                discard_block_engine<_Eng, _Pp, _Rp>& __x);
 };
 
+template<class _Engine, size_t __p, size_t __r>
+    _LIBCPP_CONSTEXPR const size_t discard_block_engine<_Engine, __p, __r>::block_size;
+
+template<class _Engine, size_t __p, size_t __r>
+    _LIBCPP_CONSTEXPR const size_t discard_block_engine<_Engine, __p, __r>::used_block;
+
 template<class _Engine, size_t __p, size_t __r>
 typename discard_block_engine<_Engine, __p, __r>::result_type
 discard_block_engine<_Engine, __p, __r>::operator()()
@@ -2891,7 +3010,7 @@ typedef discard_block_engine<ranlux48_base, 389, 11> ranlux48;
 // independent_bits_engine
 
 template<class _Engine, size_t __w, class _UIntType>
-class _LIBCPP_VISIBLE independent_bits_engine
+class _LIBCPP_TYPE_VIS independent_bits_engine
 {
     template <class _UI, _UI _R0, size_t _Wp, size_t _Mp>
     class __get_n
@@ -3154,7 +3273,7 @@ public:
 };
 
 template<class _Engine, size_t __k>
-class _LIBCPP_VISIBLE shuffle_order_engine
+class _LIBCPP_TYPE_VIS shuffle_order_engine
 {
     static_assert(0 < __k, "shuffle_order_engine invalid parameters");
 public:
@@ -3314,6 +3433,9 @@ private:
         }
 };
 
+template<class _Engine, size_t __k>
+    _LIBCPP_CONSTEXPR const size_t shuffle_order_engine<_Engine, __k>::table_size;
+
 template<class _Eng, size_t _Kp>
 bool
 operator==(
@@ -3378,7 +3500,7 @@ typedef shuffle_order_engine<minstd_rand0, 256>                         knuth_b;
 
 // random_device
 
-class _LIBCPP_VISIBLE random_device
+class _LIBCPP_TYPE_VIS random_device
 {
     int __f_;
 public:
@@ -3412,7 +3534,7 @@ private:
 
 // seed_seq
 
-class _LIBCPP_VISIBLE seed_seq
+class _LIBCPP_TYPE_VIS seed_seq
 {
 public:
     // types
@@ -3589,13 +3711,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // uniform_real_distribution
 
 template<class _RealType = double>
-class _LIBCPP_VISIBLE uniform_real_distribution
+class _LIBCPP_TYPE_VIS uniform_real_distribution
 {
 public:
     // types
     typedef _RealType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         result_type __a_;
         result_type __b_;
@@ -3710,13 +3832,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 
 // bernoulli_distribution
 
-class _LIBCPP_VISIBLE bernoulli_distribution
+class _LIBCPP_TYPE_VIS bernoulli_distribution
 {
 public:
     // types
     typedef bool result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         double __p_;
     public:
@@ -3819,13 +3941,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is, bernoulli_distribution& __x)
 // binomial_distribution
 
 template<class _IntType = int>
-class _LIBCPP_VISIBLE binomial_distribution
+class _LIBCPP_TYPE_VIS binomial_distribution
 {
 public:
     // types
     typedef _IntType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         result_type __t_;
         double __p_;
@@ -3984,13 +4106,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // exponential_distribution
 
 template<class _RealType = double>
-class _LIBCPP_VISIBLE exponential_distribution
+class _LIBCPP_TYPE_VIS exponential_distribution
 {
 public:
     // types
     typedef _RealType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         result_type __lambda_;
     public:
@@ -4099,13 +4221,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // normal_distribution
 
 template<class _RealType = double>
-class _LIBCPP_VISIBLE normal_distribution
+class _LIBCPP_TYPE_VIS normal_distribution
 {
 public:
     // types
     typedef _RealType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         result_type __mean_;
         result_type __stddev_;
@@ -4267,13 +4389,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // lognormal_distribution
 
 template<class _RealType = double>
-class _LIBCPP_VISIBLE lognormal_distribution
+class _LIBCPP_TYPE_VIS lognormal_distribution
 {
 public:
     // types
     typedef _RealType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         normal_distribution<result_type> __nd_;
     public:
@@ -4392,13 +4514,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // poisson_distribution
 
 template<class _IntType = int>
-class _LIBCPP_VISIBLE poisson_distribution
+class _LIBCPP_TYPE_VIS poisson_distribution
 {
 public:
     // types
     typedef _IntType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         double __mean_;
         double __s_;
@@ -4623,13 +4745,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // weibull_distribution
 
 template<class _RealType = double>
-class _LIBCPP_VISIBLE weibull_distribution
+class _LIBCPP_TYPE_VIS weibull_distribution
 {
 public:
     // types
     typedef _RealType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         result_type __a_;
         result_type __b_;
@@ -4737,13 +4859,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 }
 
 template<class _RealType = double>
-class _LIBCPP_VISIBLE extreme_value_distribution
+class _LIBCPP_TYPE_VIS extreme_value_distribution
 {
 public:
     // types
     typedef _RealType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         result_type __a_;
         result_type __b_;
@@ -4858,13 +4980,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // gamma_distribution
 
 template<class _RealType = double>
-class _LIBCPP_VISIBLE gamma_distribution
+class _LIBCPP_TYPE_VIS gamma_distribution
 {
 public:
     // types
     typedef _RealType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         result_type __alpha_;
         result_type __beta_;
@@ -5030,13 +5152,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // negative_binomial_distribution
 
 template<class _IntType = int>
-class _LIBCPP_VISIBLE negative_binomial_distribution
+class _LIBCPP_TYPE_VIS negative_binomial_distribution
 {
 public:
     // types
     typedef _IntType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         result_type __k_;
         double __p_;
@@ -5165,13 +5287,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // geometric_distribution
 
 template<class _IntType = int>
-class _LIBCPP_VISIBLE geometric_distribution
+class _LIBCPP_TYPE_VIS geometric_distribution
 {
 public:
     // types
     typedef _IntType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         double __p_;
     public:
@@ -5267,13 +5389,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // chi_squared_distribution
 
 template<class _RealType = double>
-class _LIBCPP_VISIBLE chi_squared_distribution
+class _LIBCPP_TYPE_VIS chi_squared_distribution
 {
 public:
     // types
     typedef _RealType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         result_type __n_;
     public:
@@ -5373,13 +5495,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // cauchy_distribution
 
 template<class _RealType = double>
-class _LIBCPP_VISIBLE cauchy_distribution
+class _LIBCPP_TYPE_VIS cauchy_distribution
 {
 public:
     // types
     typedef _RealType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         result_type __a_;
         result_type __b_;
@@ -5496,13 +5618,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // fisher_f_distribution
 
 template<class _RealType = double>
-class _LIBCPP_VISIBLE fisher_f_distribution
+class _LIBCPP_TYPE_VIS fisher_f_distribution
 {
 public:
     // types
     typedef _RealType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         result_type __m_;
         result_type __n_;
@@ -5618,13 +5740,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // student_t_distribution
 
 template<class _RealType = double>
-class _LIBCPP_VISIBLE student_t_distribution
+class _LIBCPP_TYPE_VIS student_t_distribution
 {
 public:
     // types
     typedef _RealType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         result_type __n_;
     public:
@@ -5731,13 +5853,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // discrete_distribution
 
 template<class _IntType = int>
-class _LIBCPP_VISIBLE discrete_distribution
+class _LIBCPP_TYPE_VIS discrete_distribution
 {
 public:
     // types
     typedef _IntType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         vector<double> __p_;
     public:
@@ -5962,13 +6084,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // piecewise_constant_distribution
 
 template<class _RealType = double>
-class _LIBCPP_VISIBLE piecewise_constant_distribution
+class _LIBCPP_TYPE_VIS piecewise_constant_distribution
 {
 public:
     // types
     typedef _RealType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         vector<result_type> __b_;
         vector<result_type> __densities_;
@@ -6286,13 +6408,13 @@ operator>>(basic_istream<_CharT, _Traits>& __is,
 // piecewise_linear_distribution
 
 template<class _RealType = double>
-class _LIBCPP_VISIBLE piecewise_linear_distribution
+class _LIBCPP_TYPE_VIS piecewise_linear_distribution
 {
 public:
     // types
     typedef _RealType result_type;
 
-    class _LIBCPP_VISIBLE param_type
+    class _LIBCPP_TYPE_VIS param_type
     {
         vector<result_type> __b_;
         vector<result_type> __densities_;

include/ratio

@@ -231,7 +231,7 @@ public:
 };
 
 template <intmax_t _Num, intmax_t _Den = 1>
-class _LIBCPP_VISIBLE ratio
+class _LIBCPP_TYPE_VIS ratio
 {
     static_assert(__static_abs<_Num>::value >= 0, "ratio numerator is out of range");
     static_assert(_Den != 0, "ratio divide by 0");
@@ -292,7 +292,7 @@ template <class _R1, class _R2> using ratio_multiply
 #else  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
 
 template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_multiply
+struct _LIBCPP_TYPE_VIS ratio_multiply
     : public __ratio_multiply<_R1, _R2>::type {};
 
 #endif  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
@@ -319,7 +319,7 @@ template <class _R1, class _R2> using ratio_divide
 #else  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
 
 template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_divide
+struct _LIBCPP_TYPE_VIS ratio_divide
     : public __ratio_divide<_R1, _R2>::type {};
 
 #endif  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
@@ -354,7 +354,7 @@ template <class _R1, class _R2> using ratio_add
 #else  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
 
 template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_add
+struct _LIBCPP_TYPE_VIS ratio_add
     : public __ratio_add<_R1, _R2>::type {};
 
 #endif  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
@@ -389,7 +389,7 @@ template <class _R1, class _R2> using ratio_subtract
 #else  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
 
 template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_subtract
+struct _LIBCPP_TYPE_VIS ratio_subtract
     : public __ratio_subtract<_R1, _R2>::type {};
 
 #endif  // _LIBCPP_HAS_NO_TEMPLATE_ALIASES
@@ -397,11 +397,11 @@ struct _LIBCPP_VISIBLE ratio_subtract
 // ratio_equal
 
 template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_equal
+struct _LIBCPP_TYPE_VIS ratio_equal
     : public integral_constant<bool, _R1::num == _R2::num && _R1::den == _R2::den> {};
 
 template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_not_equal
+struct _LIBCPP_TYPE_VIS ratio_not_equal
     : public integral_constant<bool, !ratio_equal<_R1, _R2>::value> {};
 
 // ratio_less
@@ -460,19 +460,19 @@ struct __ratio_less<_R1, _R2, -1LL, -1LL>
 };
 
 template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_less
+struct _LIBCPP_TYPE_VIS ratio_less
     : public integral_constant<bool, __ratio_less<_R1, _R2>::value> {};
 
 template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_less_equal
+struct _LIBCPP_TYPE_VIS ratio_less_equal
     : public integral_constant<bool, !ratio_less<_R2, _R1>::value> {};
 
 template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_greater
+struct _LIBCPP_TYPE_VIS ratio_greater
     : public integral_constant<bool, ratio_less<_R2, _R1>::value> {};
 
 template <class _R1, class _R2>
-struct _LIBCPP_VISIBLE ratio_greater_equal
+struct _LIBCPP_TYPE_VIS ratio_greater_equal
     : public integral_constant<bool, !ratio_less<_R1, _R2>::value> {};
 
 template <class _R1, class _R2>

include/regex

@@ -764,7 +764,7 @@ _LIBCPP_CONSTEXPR
 syntax_option_type
 operator~(syntax_option_type __x)
 {
-    return syntax_option_type(~int(__x));
+    return syntax_option_type(~int(__x) & 0x1FF);
 }
 
 inline _LIBCPP_INLINE_VISIBILITY
@@ -840,7 +840,7 @@ _LIBCPP_CONSTEXPR
 match_flag_type
 operator~(match_flag_type __x)
 {
-    return match_flag_type(~int(__x));
+    return match_flag_type(~int(__x) & 0x0FFF);
 }
 
 inline _LIBCPP_INLINE_VISIBILITY
@@ -925,7 +925,7 @@ public:
 };
 
 template <class _CharT>
-struct _LIBCPP_VISIBLE regex_traits
+struct _LIBCPP_TYPE_VIS regex_traits
 {
 public:
     typedef _CharT                  char_type;
@@ -1008,6 +1008,10 @@ private:
     int __value(wchar_t __ch, int __radix) const;
 };
 
+template <class _CharT>
+const typename regex_traits<_CharT>::char_class_type
+regex_traits<_CharT>::__regex_word;
+
 template <class _CharT>
 regex_traits<_CharT>::regex_traits()
 {
@@ -1231,11 +1235,11 @@ regex_traits<_CharT>::__value(wchar_t __ch, int __radix) const
 
 template <class _CharT> class __node;
 
-template <class _BidirectionalIterator> class _LIBCPP_VISIBLE sub_match;
+template <class _BidirectionalIterator> class _LIBCPP_TYPE_VIS sub_match;
 
 template <class _BidirectionalIterator,
           class _Allocator = allocator<sub_match<_BidirectionalIterator> > >
-class _LIBCPP_VISIBLE match_results;
+class _LIBCPP_TYPE_VIS match_results;
 
 template <class _CharT>
 struct __state
@@ -2411,7 +2415,7 @@ __exit:
 template <class _CharT, class _Traits> class __lookahead;
 
 template <class _CharT, class _Traits = regex_traits<_CharT> >
-class _LIBCPP_VISIBLE basic_regex
+class _LIBCPP_TYPE_VIS basic_regex
 {
 public:
     // types:
@@ -2842,6 +2846,27 @@ private:
     template <class, class> friend class __lookahead;
 };
 
+template <class _CharT, class _Traits>
+    const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::icase;
+template <class _CharT, class _Traits>
+    const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::nosubs;
+template <class _CharT, class _Traits>
+    const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::optimize;
+template <class _CharT, class _Traits>
+    const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::collate;
+template <class _CharT, class _Traits>
+    const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::ECMAScript;
+template <class _CharT, class _Traits>
+    const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::basic;
+template <class _CharT, class _Traits>
+    const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::extended;
+template <class _CharT, class _Traits>
+    const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::awk;
+template <class _CharT, class _Traits>
+    const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::grep;
+template <class _CharT, class _Traits>
+    const regex_constants::syntax_option_type basic_regex<_CharT, _Traits>::egrep;
+
 template <class _CharT, class _Traits>
 void
 basic_regex<_CharT, _Traits>::swap(basic_regex& __r)
@@ -4728,7 +4753,7 @@ typedef basic_regex<wchar_t> wregex;
 // sub_match
 
 template <class _BidirectionalIterator>
-class _LIBCPP_VISIBLE sub_match
+class _LIBCPP_TYPE_VIS sub_match
     : public pair<_BidirectionalIterator, _BidirectionalIterator>
 {
 public:
@@ -5151,7 +5176,7 @@ operator<<(basic_ostream<_CharT, _ST>& __os, const sub_match<_BiIter>& __m)
 }
 
 template <class _BidirectionalIterator, class _Allocator>
-class _LIBCPP_VISIBLE match_results
+class _LIBCPP_TYPE_VIS match_results
 {
 public:
     typedef _Allocator                                        allocator_type;
@@ -5937,7 +5962,7 @@ regex_match(const basic_string<_CharT, _ST, _SA>& __s,
 template <class _BidirectionalIterator,
           class _CharT = typename iterator_traits<_BidirectionalIterator>::value_type,
           class _Traits = regex_traits<_CharT> >
-class _LIBCPP_VISIBLE regex_iterator
+class _LIBCPP_TYPE_VIS regex_iterator
 {
 public:
     typedef basic_regex<_CharT, _Traits>          regex_type;
@@ -6049,7 +6074,7 @@ typedef regex_iterator<wstring::const_iterator> wsregex_iterator;
 template <class _BidirectionalIterator,
           class _CharT = typename iterator_traits<_BidirectionalIterator>::value_type,
           class _Traits = regex_traits<_CharT> >
-class _LIBCPP_VISIBLE regex_token_iterator
+class _LIBCPP_TYPE_VIS regex_token_iterator
 {
 public:
     typedef basic_regex<_CharT, _Traits>      regex_type;

include/scoped_allocator

@@ -365,7 +365,7 @@ struct __outermost<_Alloc, true>
 };
 
 template <class _OuterAlloc, class... _InnerAllocs>
-class _LIBCPP_VISIBLE scoped_allocator_adaptor<_OuterAlloc, _InnerAllocs...>
+class _LIBCPP_TYPE_VIS scoped_allocator_adaptor<_OuterAlloc, _InnerAllocs...>
     : public __scoped_allocator_storage<_OuterAlloc, _InnerAllocs...>
 {
     typedef __scoped_allocator_storage<_OuterAlloc, _InnerAllocs...> base;

include/set

@@ -346,7 +346,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Key, class _Compare = less<_Key>,
           class _Allocator = allocator<_Key> >
-class _LIBCPP_VISIBLE set
+class _LIBCPP_TYPE_VIS set
 {
 public:
     // types:
@@ -685,7 +685,7 @@ swap(set<_Key, _Compare, _Allocator>& __x,
 
 template <class _Key, class _Compare = less<_Key>,
           class _Allocator = allocator<_Key> >
-class _LIBCPP_VISIBLE multiset
+class _LIBCPP_TYPE_VIS multiset
 {
 public:
     // types:

include/sstream

@@ -186,7 +186,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 // basic_stringbuf
 
 template <class _CharT, class _Traits, class _Allocator>
-class _LIBCPP_VISIBLE basic_stringbuf
+class _LIBCPP_TYPE_VIS basic_stringbuf
     : public basic_streambuf<_CharT, _Traits>
 {
 public:
@@ -260,17 +260,36 @@ template <class _CharT, class _Traits, class _Allocator>
 basic_stringbuf<_CharT, _Traits, _Allocator>::basic_stringbuf(basic_stringbuf&& __rhs)
     : __mode_(__rhs.__mode_)
 {
-    ptrdiff_t __ninp = __rhs.gptr()  - __rhs.eback();
-    ptrdiff_t __einp = __rhs.egptr() - __rhs.eback();
-    ptrdiff_t __nout = __rhs.pptr()  - __rhs.pbase();
-    ptrdiff_t __eout = __rhs.epptr() - __rhs.pbase();
-    ptrdiff_t __hm   = __rhs.__hm_   - __rhs.pbase();
+    char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
+    ptrdiff_t __binp = -1;
+    ptrdiff_t __ninp = -1;
+    ptrdiff_t __einp = -1;
+    if (__rhs.eback() != nullptr)
+    {
+        __binp = __rhs.eback() - __p;
+        __ninp = __rhs.gptr() - __p;
+        __einp = __rhs.egptr() - __p;
+    }
+    ptrdiff_t __bout = -1;
+    ptrdiff_t __nout = -1;
+    ptrdiff_t __eout = -1;
+    if (__rhs.pbase() != nullptr)
+    {
+        __bout = __rhs.pbase() - __p;
+        __nout = __rhs.pptr() - __p;
+        __eout = __rhs.epptr() - __p;
+    }
+    ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
     __str_ = _VSTD::move(__rhs.__str_);
-    char_type* __p = const_cast<char_type*>(__str_.data());
-    this->setg(__p, __p + __ninp, __p + __einp);
-    this->setp(__p, __p + __eout);
-    this->pbump(__nout);
-    __hm_ = __p + __hm;
+    __p = const_cast<char_type*>(__str_.data());
+    if (__binp != -1)
+        this->setg(__p + __binp, __p + __ninp, __p + __einp);
+    if (__bout != -1)
+    {
+        this->setp(__p + __bout, __p + __eout);
+        this->pbump(__nout);
+    }
+    __hm_ = __hm == -1 ? nullptr : __p + __hm;
     __p = const_cast<char_type*>(__rhs.__str_.data());
     __rhs.setg(__p, __p, __p);
     __rhs.setp(__p, __p);
@@ -282,18 +301,37 @@ template <class _CharT, class _Traits, class _Allocator>
 basic_stringbuf<_CharT, _Traits, _Allocator>&
 basic_stringbuf<_CharT, _Traits, _Allocator>::operator=(basic_stringbuf&& __rhs)
 {
-    ptrdiff_t __ninp = __rhs.gptr()  - __rhs.eback();
-    ptrdiff_t __einp = __rhs.egptr() - __rhs.eback();
-    ptrdiff_t __nout = __rhs.pptr()  - __rhs.pbase();
-    ptrdiff_t __eout = __rhs.epptr() - __rhs.pbase();
-    ptrdiff_t __hm   = __rhs.__hm_   - __rhs.pbase();
-    __mode_ = __rhs.__mode_;
+    char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
+    ptrdiff_t __binp = -1;
+    ptrdiff_t __ninp = -1;
+    ptrdiff_t __einp = -1;
+    if (__rhs.eback() != nullptr)
+    {
+        __binp = __rhs.eback() - __p;
+        __ninp = __rhs.gptr() - __p;
+        __einp = __rhs.egptr() - __p;
+    }
+    ptrdiff_t __bout = -1;
+    ptrdiff_t __nout = -1;
+    ptrdiff_t __eout = -1;
+    if (__rhs.pbase() != nullptr)
+    {
+        __bout = __rhs.pbase() - __p;
+        __nout = __rhs.pptr() - __p;
+        __eout = __rhs.epptr() - __p;
+    }
+    ptrdiff_t __hm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
     __str_ = _VSTD::move(__rhs.__str_);
-    char_type* __p = const_cast<char_type*>(__str_.data());
-    this->setg(__p, __p + __ninp, __p + __einp);
-    this->setp(__p, __p + __eout);
-    this->pbump(__nout);
-    __hm_ = __p + __hm;
+    __p = const_cast<char_type*>(__str_.data());
+    if (__binp != -1)
+        this->setg(__p + __binp, __p + __ninp, __p + __einp);
+    if (__bout != -1)
+    {
+        this->setp(__p + __bout, __p + __eout);
+        this->pbump(__nout);
+    }
+    __hm_ = __hm == -1 ? nullptr : __p + __hm;
+    __mode_ = __rhs.__mode_;
     __p = const_cast<char_type*>(__rhs.__str_.data());
     __rhs.setg(__p, __p, __p);
     __rhs.setp(__p, __p);
@@ -308,28 +346,74 @@ template <class _CharT, class _Traits, class _Allocator>
 void
 basic_stringbuf<_CharT, _Traits, _Allocator>::swap(basic_stringbuf& __rhs)
 {
-    ptrdiff_t __rninp = __rhs.gptr()  - __rhs.eback();
-    ptrdiff_t __reinp = __rhs.egptr() - __rhs.eback();
-    ptrdiff_t __rnout = __rhs.pptr()  - __rhs.pbase();
-    ptrdiff_t __reout = __rhs.epptr() - __rhs.pbase();
-    ptrdiff_t __rhm   = __rhs.__hm_   - __rhs.pbase();
-    ptrdiff_t __lninp = this->gptr()  - this->eback();
-    ptrdiff_t __leinp = this->egptr() - this->eback();
-    ptrdiff_t __lnout = this->pptr()  - this->pbase();
-    ptrdiff_t __leout = this->epptr() - this->pbase();
-    ptrdiff_t __lhm   = this->__hm_   - this->pbase();
+    char_type* __p = const_cast<char_type*>(__rhs.__str_.data());
+    ptrdiff_t __rbinp = -1;
+    ptrdiff_t __rninp = -1;
+    ptrdiff_t __reinp = -1;
+    if (__rhs.eback() != nullptr)
+    {
+        __rbinp = __rhs.eback() - __p;
+        __rninp = __rhs.gptr() - __p;
+        __reinp = __rhs.egptr() - __p;
+    }
+    ptrdiff_t __rbout = -1;
+    ptrdiff_t __rnout = -1;
+    ptrdiff_t __reout = -1;
+    if (__rhs.pbase() != nullptr)
+    {
+        __rbout = __rhs.pbase() - __p;
+        __rnout = __rhs.pptr() - __p;
+        __reout = __rhs.epptr() - __p;
+    }
+    ptrdiff_t __rhm = __rhs.__hm_ == nullptr ? -1 : __rhs.__hm_ - __p;
+    __p = const_cast<char_type*>(__str_.data());
+    ptrdiff_t __lbinp = -1;
+    ptrdiff_t __lninp = -1;
+    ptrdiff_t __leinp = -1;
+    if (this->eback() != nullptr)
+    {
+        __lbinp = this->eback() - __p;
+        __lninp = this->gptr() - __p;
+        __leinp = this->egptr() - __p;
+    }
+    ptrdiff_t __lbout = -1;
+    ptrdiff_t __lnout = -1;
+    ptrdiff_t __leout = -1;
+    if (this->pbase() != nullptr)
+    {
+        __lbout = this->pbase() - __p;
+        __lnout = this->pptr() - __p;
+        __leout = this->epptr() - __p;
+    }
+    ptrdiff_t __lhm = __hm_ == nullptr ? -1 : __hm_ - __p;
     _VSTD::swap(__mode_, __rhs.__mode_);
     __str_.swap(__rhs.__str_);
-    char_type* __p = const_cast<char_type*>(__str_.data());
-    this->setg(__p, __p + __rninp, __p + __reinp);
-    this->setp(__p, __p + __reout);
-    this->pbump(__rnout);
-    __hm_ = __p + __rhm;
+    __p = const_cast<char_type*>(__str_.data());
+    if (__rbinp != -1)
+        this->setg(__p + __rbinp, __p + __rninp, __p + __reinp);
+    else
+        this->setg(nullptr, nullptr, nullptr);
+    if (__rbout != -1)
+    {
+        this->setp(__p + __rbout, __p + __reout);
+        this->pbump(__rnout);
+    }
+    else
+        this->setp(nullptr, nullptr);
+    __hm_ = __rhm == -1 ? nullptr : __p + __rhm;
     __p = const_cast<char_type*>(__rhs.__str_.data());
-    __rhs.setg(__p, __p + __lninp, __p + __leinp);
-    __rhs.setp(__p, __p + __leout);
-    __rhs.pbump(__lnout);
-    __rhs.__hm_ = __p + __lhm;
+    if (__lbinp != -1)
+        __rhs.setg(__p + __lbinp, __p + __lninp, __p + __leinp);
+    else
+        __rhs.setg(nullptr, nullptr, nullptr);
+    if (__lbout != -1)
+    {
+        __rhs.setp(__p + __lbout, __p + __leout);
+        __rhs.pbump(__lnout);
+    }
+    else
+        __rhs.setp(nullptr, nullptr);
+    __rhs.__hm_ = __lhm == -1 ? nullptr : __p + __lhm;
     locale __tl = __rhs.getloc();
     __rhs.pubimbue(this->getloc());
     this->pubimbue(__tl);
@@ -529,7 +613,7 @@ basic_stringbuf<_CharT, _Traits, _Allocator>::seekpos(pos_type __sp,
 // basic_istringstream
 
 template <class _CharT, class _Traits, class _Allocator>
-class _LIBCPP_VISIBLE basic_istringstream
+class _LIBCPP_TYPE_VIS basic_istringstream
     : public basic_istream<_CharT, _Traits>
 {
 public:
@@ -648,7 +732,7 @@ basic_istringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s)
 // basic_ostringstream
 
 template <class _CharT, class _Traits, class _Allocator>
-class _LIBCPP_VISIBLE basic_ostringstream
+class _LIBCPP_TYPE_VIS basic_ostringstream
     : public basic_ostream<_CharT, _Traits>
 {
 public:
@@ -767,7 +851,7 @@ basic_ostringstream<_CharT, _Traits, _Allocator>::str(const string_type& __s)
 // basic_stringstream
 
 template <class _CharT, class _Traits, class _Allocator>
-class _LIBCPP_VISIBLE basic_stringstream
+class _LIBCPP_TYPE_VIS basic_stringstream
     : public basic_iostream<_CharT, _Traits>
 {
 public:

include/stack

@@ -91,7 +91,7 @@ template <class T, class Container>
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template <class _Tp, class _Container> class _LIBCPP_VISIBLE stack;
+template <class _Tp, class _Container> class _LIBCPP_TYPE_VIS stack;
 
 template <class _Tp, class _Container>
 _LIBCPP_INLINE_VISIBILITY
@@ -104,7 +104,7 @@ bool
 operator< (const stack<_Tp, _Container>& __x, const stack<_Tp, _Container>& __y);
 
 template <class _Tp, class _Container = deque<_Tp> >
-class _LIBCPP_VISIBLE stack
+class _LIBCPP_TYPE_VIS stack
 {
 public:
     typedef _Container                               container_type;
@@ -282,7 +282,7 @@ swap(stack<_Tp, _Container>& __x, stack<_Tp, _Container>& __y)
 }
 
 template <class _Tp, class _Container, class _Alloc>
-struct _LIBCPP_VISIBLE uses_allocator<stack<_Tp, _Container>, _Alloc>
+struct _LIBCPP_TYPE_VIS uses_allocator<stack<_Tp, _Container>, _Alloc>
     : public uses_allocator<_Container, _Alloc>
 {
 };

include/streambuf

@@ -119,7 +119,7 @@ protected:
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _CharT, class _Traits>
-class _LIBCPP_VISIBLE basic_streambuf
+class _LIBCPP_TYPE_VIS basic_streambuf
 {
 public:
     // types:

include/string

@@ -457,7 +457,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 // fpos
 
 template <class _StateT>
-class _LIBCPP_VISIBLE fpos
+class _LIBCPP_TYPE_VIS fpos
 {
 private:
     _StateT __st_;
@@ -494,7 +494,7 @@ bool operator!=(const fpos<_StateT>& __x, const fpos<_StateT>& __y)
 // char_traits
 
 template <class _CharT>
-struct _LIBCPP_VISIBLE char_traits
+struct _LIBCPP_TYPE_VIS char_traits
 {
     typedef _CharT    char_type;
     typedef int       int_type;
@@ -620,7 +620,7 @@ char_traits<_CharT>::assign(char_type* __s, size_t __n, char_type __a)
 // char_traits<char>
 
 template <>
-struct _LIBCPP_VISIBLE char_traits<char>
+struct _LIBCPP_TYPE_VIS char_traits<char>
 {
     typedef char      char_type;
     typedef int       int_type;
@@ -676,7 +676,7 @@ struct _LIBCPP_VISIBLE char_traits<char>
 // char_traits<wchar_t>
 
 template <>
-struct _LIBCPP_VISIBLE char_traits<wchar_t>
+struct _LIBCPP_TYPE_VIS char_traits<wchar_t>
 {
     typedef wchar_t   char_type;
     typedef wint_t    int_type;
@@ -733,7 +733,7 @@ struct _LIBCPP_VISIBLE char_traits<wchar_t>
 #ifndef _LIBCPP_HAS_NO_UNICODE_CHARS
 
 template <>
-struct _LIBCPP_VISIBLE char_traits<char16_t>
+struct _LIBCPP_TYPE_VIS char_traits<char16_t>
 {
     typedef char16_t       char_type;
     typedef uint_least16_t int_type;
@@ -853,7 +853,7 @@ char_traits<char16_t>::assign(char_type* __s, size_t __n, char_type __a)
 }
 
 template <>
-struct _LIBCPP_VISIBLE char_traits<char32_t>
+struct _LIBCPP_TYPE_VIS char_traits<char32_t>
 {
     typedef char32_t       char_type;
     typedef uint_least32_t int_type;
@@ -1036,8 +1036,23 @@ _LIBCPP_EXTERN_TEMPLATE(class __basic_string_common<true>)
 #pragma warning( pop )
 #endif // _MSC_VER
 
+#ifdef _LIBCPP_ALTERNATE_STRING_LAYOUT
+
+template <class _CharT, size_t = sizeof(_CharT)>
+struct __padding
+{
+    unsigned char __xx[sizeof(_CharT)-1];
+};
+
+template <class _CharT>
+struct __padding<_CharT, 1>
+{
+};
+
+#endif  // _LIBCPP_ALTERNATE_STRING_LAYOUT
+
 template<class _CharT, class _Traits, class _Allocator>
-class _LIBCPP_VISIBLE basic_string
+class _LIBCPP_TYPE_VIS basic_string
     : private __basic_string_common<true>
 {
 public:
@@ -1069,6 +1084,39 @@ public:
     typedef _VSTD::reverse_iterator<const_iterator>       const_reverse_iterator;
 
 private:
+
+#ifdef _LIBCPP_ALTERNATE_STRING_LAYOUT
+
+    struct __long
+    {
+        pointer   __data_;
+        size_type __size_;
+        size_type __cap_;
+    };
+
+#if _LIBCPP_BIG_ENDIAN
+    enum {__short_mask = 0x01};
+    enum {__long_mask  = 0x1ul};
+#else  // _LIBCPP_BIG_ENDIAN
+    enum {__short_mask = 0x80};
+    enum {__long_mask  = ~(size_type(~0) >> 1)};
+#endif  // _LIBCPP_BIG_ENDIAN
+
+    enum {__min_cap = (sizeof(__long) - 1)/sizeof(value_type) > 2 ?
+                      (sizeof(__long) - 1)/sizeof(value_type) : 2};
+
+    struct __short
+    {
+        value_type __data_[__min_cap];
+        struct
+            : __padding<value_type>
+        {
+            unsigned char __size_;
+        };
+    };
+
+#else
+
     struct __long
     {
         size_type __cap_;
@@ -1084,8 +1132,6 @@ private:
     enum {__long_mask  = 0x1ul};
 #endif  // _LIBCPP_BIG_ENDIAN
 
-    enum {__mask = size_type(~0) >> 1};
-
     enum {__min_cap = (sizeof(__long) - 1)/sizeof(value_type) > 2 ?
                       (sizeof(__long) - 1)/sizeof(value_type) : 2};
 
@@ -1099,6 +1145,8 @@ private:
         value_type __data_[__min_cap];
     };
 
+#endif  // _LIBCPP_ALTERNATE_STRING_LAYOUT
+
     union __lx{__long __lx; __short __lxx;};
 
     enum {__n_words = sizeof(__lx) / sizeof(size_type)};
@@ -1462,6 +1510,11 @@ public:
     int compare(size_type __pos1, size_type __n1, const_pointer __s, size_type __n2) const;
 
     _LIBCPP_INLINE_VISIBILITY bool __invariants() const;
+
+    _LIBCPP_INLINE_VISIBILITY
+    bool __is_long() const _NOEXCEPT
+        {return bool(__r_.first().__s.__size_ & __short_mask);}
+
 private:
     _LIBCPP_INLINE_VISIBILITY
     allocator_type& __alloc() _NOEXCEPT
@@ -1470,24 +1523,44 @@ private:
     const allocator_type& __alloc() const _NOEXCEPT
         {return __r_.second();}
 
-    _LIBCPP_INLINE_VISIBILITY
-    bool __is_long() const _NOEXCEPT
-        {return bool(__r_.first().__s.__size_ & __short_mask);}
+#ifdef _LIBCPP_ALTERNATE_STRING_LAYOUT
 
     _LIBCPP_INLINE_VISIBILITY
     void __set_short_size(size_type __s) _NOEXCEPT
-#if _LIBCPP_BIG_ENDIAN
-        {__r_.first().__s.__size_ = (unsigned char)(__s);}
-#else
+#   if _LIBCPP_BIG_ENDIAN
         {__r_.first().__s.__size_ = (unsigned char)(__s << 1);}
-#endif
+#   else
+        {__r_.first().__s.__size_ = (unsigned char)(__s);}
+#   endif
+
     _LIBCPP_INLINE_VISIBILITY
     size_type __get_short_size() const _NOEXCEPT
-#if _LIBCPP_BIG_ENDIAN
-        {return __r_.first().__s.__size_;}
-#else
+#   if _LIBCPP_BIG_ENDIAN
         {return __r_.first().__s.__size_ >> 1;}
-#endif
+#   else
+        {return __r_.first().__s.__size_;}
+#   endif
+
+#else  // _LIBCPP_ALTERNATE_STRING_LAYOUT
+
+    _LIBCPP_INLINE_VISIBILITY
+    void __set_short_size(size_type __s) _NOEXCEPT
+#   if _LIBCPP_BIG_ENDIAN
+        {__r_.first().__s.__size_ = (unsigned char)(__s);}
+#   else
+        {__r_.first().__s.__size_ = (unsigned char)(__s << 1);}
+#   endif
+
+    _LIBCPP_INLINE_VISIBILITY
+    size_type __get_short_size() const _NOEXCEPT
+#   if _LIBCPP_BIG_ENDIAN
+        {return __r_.first().__s.__size_;}
+#   else
+        {return __r_.first().__s.__size_ >> 1;}
+#   endif
+
+#endif  // _LIBCPP_ALTERNATE_STRING_LAYOUT
+
     _LIBCPP_INLINE_VISIBILITY
     void __set_long_size(size_type __s) _NOEXCEPT
         {__r_.first().__l.__size_ = __s;}
@@ -2315,14 +2388,37 @@ template <class _CharT, class _Traits, class _Allocator>
 void
 basic_string<_CharT, _Traits, _Allocator>::push_back(value_type __c)
 {
-    size_type __cap = capacity();
-    size_type __sz = size();
+    bool __is_short = !__is_long();
+    size_type __cap;
+    size_type __sz;
+    if (__is_short)
+    {
+        __cap = __min_cap - 1;
+        __sz = __get_short_size();
+    }
+    else
+    {
+        __cap = __get_long_cap() - 1;
+        __sz = __get_long_size();
+    }
     if (__sz == __cap)
+    {
         __grow_by(__cap, 1, __sz, __sz, 0);
-    pointer __p = __get_pointer() + __sz;
+        __is_short = !__is_long();
+    }
+    pointer __p;
+    if (__is_short)
+    {
+        __p = __get_short_pointer() + __sz;
+        __set_short_size(__sz+1);
+    }
+    else
+    {
+        __p = __get_long_pointer() + __sz;
+        __set_long_size(__sz+1);
+    }
     traits_type::assign(*__p, __c);
     traits_type::assign(*++__p, value_type());
-    __set_size(__sz+1);
 }
 
 template <class _CharT, class _Traits, class _Allocator>
@@ -3374,7 +3470,7 @@ basic_string<_CharT, _Traits, _Allocator>::find_first_not_of(value_type __c,
     {
         const_pointer __p = data();
         const_pointer __pe = __p + __sz;
-        for (const_pointer __ps = __p + __pos; __p != __pe; ++__ps)
+        for (const_pointer __ps = __p + __pos; __ps != __pe; ++__ps)
             if (!traits_type::eq(*__ps, __c))
                 return static_cast<size_type>(__ps - __p);
     }
@@ -3561,9 +3657,29 @@ bool
 operator==(const basic_string<_CharT, _Traits, _Allocator>& __lhs,
            const basic_string<_CharT, _Traits, _Allocator>& __rhs) _NOEXCEPT
 {
-    return __lhs.size() == __rhs.size() && _Traits::compare(__lhs.data(),
-                                                            __rhs.data(),
-                                                            __lhs.size()) == 0;
+    size_t __lhs_sz = __lhs.size();
+    return __lhs_sz == __rhs.size() && _Traits::compare(__lhs.data(),
+                                                        __rhs.data(),
+                                                        __lhs_sz) == 0;
+}
+
+template<class _Allocator>
+_LIBCPP_INLINE_VISIBILITY inline
+bool
+operator==(const basic_string<char, char_traits<char>, _Allocator>& __lhs,
+           const basic_string<char, char_traits<char>, _Allocator>& __rhs) _NOEXCEPT
+{
+    size_t __lhs_sz = __lhs.size();
+    if (__lhs_sz != __rhs.size())
+        return false;
+    const char* __lp = __lhs.data();
+    const char* __rp = __rhs.data();
+    if (__lhs.__is_long())
+        return char_traits<char>::compare(__lp, __rp, __lhs_sz) == 0;
+    for (; __lhs_sz != 0; --__lhs_sz, ++__lp, ++__rp)
+        if (*__lp != *__rp)
+            return false;
+    return true;
 }
 
 template<class _CharT, class _Traits, class _Allocator>
@@ -3923,7 +4039,7 @@ size_t _LIBCPP_INLINE_VISIBILITY __do_string_hash(_Ptr __p, _Ptr __e)
 }
 
 template<class _CharT, class _Traits, class _Allocator>
-struct _LIBCPP_VISIBLE hash<basic_string<_CharT, _Traits, _Allocator> >
+struct _LIBCPP_TYPE_VIS hash<basic_string<_CharT, _Traits, _Allocator> >
     : public unary_function<basic_string<_CharT, _Traits, _Allocator>, size_t>
 {
     size_t

include/strstream

@@ -137,7 +137,7 @@ private:
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-class _LIBCPP_VISIBLE strstreambuf
+class _LIBCPP_TYPE_VIS strstreambuf
     : public streambuf
 {
 public:
@@ -228,7 +228,7 @@ strstreambuf::operator=(strstreambuf&& __rhs)
 
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
-class _LIBCPP_VISIBLE istrstream
+class _LIBCPP_TYPE_VIS istrstream
     : public istream
 {
 public:
@@ -281,7 +281,7 @@ private:
     strstreambuf __sb_;
 };
 
-class _LIBCPP_VISIBLE ostrstream
+class _LIBCPP_TYPE_VIS ostrstream
     : public ostream
 {
 public:
@@ -334,7 +334,7 @@ private:
     strstreambuf __sb_; // exposition only
 };
 
-class _LIBCPP_VISIBLE strstream
+class _LIBCPP_TYPE_VIS strstream
     : public iostream
 {
 public:

include/support/win32/locale_win32.h

@@ -65,8 +65,21 @@ decltype(MB_CUR_MAX) MB_CUR_MAX_L( locale_t __l )
 #define strtoull_l _strtoui64_l
 // FIXME: current msvcrt does not know about long double
 #define strtold_l _strtod_l
-#define islower_l _islower_l
-#define isupper_l _isupper_l
+
+inline _LIBCPP_INLINE_VISIBILITY
+int
+islower_l(int c, _locale_t loc)
+{
+ return _islower_l((int)c, loc);
+}
+
+inline _LIBCPP_INLINE_VISIBILITY
+int
+isupper_l(int c, _locale_t loc)
+{
+ return _isupper_l((int)c, loc);
+}
+
 #define isdigit_l _isdigit_l
 #define isxdigit_l _isxdigit_l
 #define strcoll_l _strcoll_l

include/system_error

@@ -232,13 +232,13 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 // is_error_code_enum
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE is_error_code_enum
+struct _LIBCPP_TYPE_VIS is_error_code_enum
     : public false_type {};
 
 // is_error_condition_enum
 
 template <class _Tp>
-struct _LIBCPP_VISIBLE is_error_condition_enum
+struct _LIBCPP_TYPE_VIS is_error_condition_enum
     : public false_type {};
 
 // Some error codes are not present on all platforms, so we provide equivalents
@@ -345,23 +345,23 @@ _LIBCPP_DECLARE_STRONG_ENUM(errc)
 _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(errc)
 
 template <>
-struct _LIBCPP_VISIBLE is_error_condition_enum<errc>
+struct _LIBCPP_TYPE_VIS is_error_condition_enum<errc>
     : true_type { };
 
 #ifdef _LIBCPP_HAS_NO_STRONG_ENUMS
 template <>
-struct _LIBCPP_VISIBLE is_error_condition_enum<errc::__lx>
+struct _LIBCPP_TYPE_VIS is_error_condition_enum<errc::__lx>
     : true_type { };
 #endif
 
-class _LIBCPP_VISIBLE error_condition;
-class _LIBCPP_VISIBLE error_code;
+class _LIBCPP_TYPE_VIS error_condition;
+class _LIBCPP_TYPE_VIS error_code;
 
 // class error_category
 
 class _LIBCPP_HIDDEN __do_message;
 
-class _LIBCPP_VISIBLE error_category
+class _LIBCPP_TYPE_VIS error_category
 {
 public:
     virtual ~error_category() _NOEXCEPT;
@@ -400,7 +400,7 @@ public:
 const error_category& generic_category() _NOEXCEPT;
 const error_category& system_category() _NOEXCEPT;
 
-class _LIBCPP_VISIBLE error_condition
+class _LIBCPP_TYPE_VIS error_condition
 {
     int __val_;
     const error_category* __cat_;
@@ -472,7 +472,7 @@ operator<(const error_condition& __x, const error_condition& __y) _NOEXCEPT
 
 // error_code
 
-class _LIBCPP_VISIBLE error_code
+class _LIBCPP_TYPE_VIS error_code
 {
     int __val_;
     const error_category* __cat_;
@@ -597,7 +597,7 @@ operator!=(const error_condition& __x, const error_condition& __y) _NOEXCEPT
 {return !(__x == __y);}
 
 template <>
-struct _LIBCPP_VISIBLE hash<error_code>
+struct _LIBCPP_TYPE_VIS hash<error_code>
     : public unary_function<error_code, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -609,7 +609,7 @@ struct _LIBCPP_VISIBLE hash<error_code>
 
 // system_error
 
-class _LIBCPP_VISIBLE system_error
+class _LIBCPP_TYPE_VIS system_error
     : public runtime_error
 {
     error_code __ec_;

include/thread

@@ -144,9 +144,11 @@ template <class _Tp>
 __thread_specific_ptr<_Tp>::__thread_specific_ptr()
 {
     int __ec = pthread_key_create(&__key_, &__thread_specific_ptr::__at_thread_exit);
+#ifndef _LIBCPP_NO_EXCEPTIONS
     if (__ec)
         throw system_error(error_code(__ec, system_category()),
                            "__thread_specific_ptr construction failed");
+#endif
 }
 
 template <class _Tp>
@@ -173,8 +175,8 @@ __thread_specific_ptr<_Tp>::reset(pointer __p)
     delete __p_old;
 }
 
-class _LIBCPP_VISIBLE thread;
-class _LIBCPP_VISIBLE __thread_id;
+class _LIBCPP_TYPE_VIS thread;
+class _LIBCPP_TYPE_VIS __thread_id;
 
 namespace this_thread
 {
@@ -183,10 +185,10 @@ _LIBCPP_INLINE_VISIBILITY __thread_id get_id() _NOEXCEPT;
 
 }  // this_thread
 
-class _LIBCPP_VISIBLE __thread_id;
-template<> struct _LIBCPP_VISIBLE hash<__thread_id>;
+class _LIBCPP_TYPE_VIS __thread_id;
+template<> struct _LIBCPP_TYPE_VIS hash<__thread_id>;
 
-class _LIBCPP_VISIBLE __thread_id
+class _LIBCPP_TYPE_VIS __thread_id
 {
     // FIXME: pthread_t is a pointer on Darwin but a long on Linux.
     // NULL is the no-thread value on Darwin.  Someone needs to check
@@ -228,12 +230,12 @@ private:
     __thread_id(pthread_t __id) : __id_(__id) {}
 
     friend __thread_id this_thread::get_id() _NOEXCEPT;
-    friend class _LIBCPP_VISIBLE thread;
-    friend struct _LIBCPP_VISIBLE hash<__thread_id>;
+    friend class _LIBCPP_TYPE_VIS thread;
+    friend struct _LIBCPP_TYPE_VIS hash<__thread_id>;
 };
 
 template<>
-struct _LIBCPP_VISIBLE hash<__thread_id>
+struct _LIBCPP_TYPE_VIS hash<__thread_id>
     : public unary_function<__thread_id, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY
@@ -255,7 +257,7 @@ get_id() _NOEXCEPT
 
 }  // this_thread
 
-class _LIBCPP_VISIBLE thread
+class _LIBCPP_TYPE_VIS thread
 {
     pthread_t __t_;
 
@@ -326,7 +328,7 @@ __thread_specific_ptr<__thread_struct>& __thread_local_data();
 template <class _Fp, class ..._Args, size_t ..._Indices>
 inline _LIBCPP_INLINE_VISIBILITY
 void
-__threaad_execute(tuple<_Fp, _Args...>& __t, __tuple_indices<_Indices...>)
+__thread_execute(tuple<_Fp, _Args...>& __t, __tuple_indices<_Indices...>)
 {
     __invoke(_VSTD::move(_VSTD::get<0>(__t)), _VSTD::move(_VSTD::get<_Indices>(__t))...);
 }
@@ -338,7 +340,7 @@ __thread_proxy(void* __vp)
     __thread_local_data().reset(new __thread_struct);
     std::unique_ptr<_Fp> __p(static_cast<_Fp*>(__vp));
     typedef typename __make_tuple_indices<tuple_size<_Fp>::value, 1>::type _Index;
-    __threaad_execute(*__p, _Index());
+    __thread_execute(*__p, _Index());
     return nullptr;
 }
 

include/tuple

@@ -128,7 +128,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 
 // allocator_arg_t
 
-struct _LIBCPP_VISIBLE allocator_arg_t { };
+struct _LIBCPP_TYPE_VIS allocator_arg_t { };
 
 #if defined(_LIBCPP_HAS_NO_CONSTEXPR) || defined(_LIBCPP_BUILDING_MEMORY)
 extern const allocator_arg_t allocator_arg;
@@ -163,7 +163,7 @@ struct __uses_allocator<_Tp, _Alloc, false>
 };
 
 template <class _Tp, class _Alloc>
-struct _LIBCPP_VISIBLE uses_allocator
+struct _LIBCPP_TYPE_VIS uses_allocator
     : public __uses_allocator<_Tp, _Alloc>
 {
 };
@@ -193,7 +193,7 @@ struct __uses_alloc_ctor
 // tuple_size
 
 template <class ..._Tp>
-class _LIBCPP_VISIBLE tuple_size<tuple<_Tp...> >
+class _LIBCPP_TYPE_VIS tuple_size<tuple<_Tp...> >
     : public integral_constant<size_t, sizeof...(_Tp)>
 {
 };
@@ -201,7 +201,7 @@ class _LIBCPP_VISIBLE tuple_size<tuple<_Tp...> >
 // tuple_element
 
 template <size_t _Ip, class ..._Tp>
-class _LIBCPP_VISIBLE tuple_element<_Ip, tuple<_Tp...> >
+class _LIBCPP_TYPE_VIS tuple_element<_Ip, tuple<_Tp...> >
 {
 public:
     typedef typename tuple_element<_Ip, __tuple_types<_Tp...> >::type type;
@@ -477,7 +477,7 @@ struct __tuple_impl<__tuple_indices<_Indx...>, _Tp...>
     template <class _Tuple,
               class = typename enable_if
                       <
-                         __tuple_convertible<_Tuple, tuple<_Tp...> >::value
+                         __tuple_constructible<_Tuple, tuple<_Tp...> >::value
                       >::type
              >
         _LIBCPP_INLINE_VISIBILITY
@@ -533,7 +533,7 @@ struct __tuple_impl<__tuple_indices<_Indx...>, _Tp...>
 };
 
 template <class ..._Tp>
-class _LIBCPP_VISIBLE tuple
+class _LIBCPP_TYPE_VIS tuple
 {
     typedef __tuple_impl<typename __make_tuple_indices<sizeof...(_Tp)>::type, _Tp...> base;
 
@@ -721,7 +721,7 @@ public:
 };
 
 template <>
-class _LIBCPP_VISIBLE tuple<>
+class _LIBCPP_TYPE_VIS tuple<>
 {
 public:
     _LIBCPP_INLINE_VISIBILITY
@@ -803,7 +803,7 @@ struct __ignore_t
 
 namespace { const __ignore_t<unsigned char> ignore = __ignore_t<unsigned char>(); }
 
-template <class _Tp> class _LIBCPP_VISIBLE reference_wrapper;
+template <class _Tp> class _LIBCPP_TYPE_VIS reference_wrapper;
 
 template <class _Tp>
 struct ___make_tuple_return
@@ -1071,7 +1071,7 @@ tuple_cat(_Tuple0&& __t0, _Tuples&&... __tpls)
 }
 
 template <class ..._Tp, class _Alloc>
-struct _LIBCPP_VISIBLE uses_allocator<tuple<_Tp...>, _Alloc>
+struct _LIBCPP_TYPE_VIS uses_allocator<tuple<_Tp...>, _Alloc>
     : true_type {};
 
 template <class _T1, class _T2>

include/typeindex

@@ -55,7 +55,7 @@ struct hash<type_index>
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-class _LIBCPP_VISIBLE type_index
+class _LIBCPP_TYPE_VIS type_index
 {
     const type_info* __t_;
 public:
@@ -87,10 +87,10 @@ public:
     const char* name() const _NOEXCEPT {return __t_->name();}
 };
 
-template <class _Tp> struct _LIBCPP_VISIBLE hash;
+template <class _Tp> struct _LIBCPP_TYPE_VIS hash;
 
 template <>
-struct _LIBCPP_VISIBLE hash<type_index>
+struct _LIBCPP_TYPE_VIS hash<type_index>
     : public unary_function<type_index, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY

include/unordered_map

@@ -544,7 +544,7 @@ public:
 };
 
 template <class _HashIterator>
-class _LIBCPP_VISIBLE __hash_map_iterator
+class _LIBCPP_TYPE_VIS __hash_map_iterator
 {
     _HashIterator __i_;
 
@@ -592,15 +592,15 @@ public:
         bool operator!=(const __hash_map_iterator& __x, const __hash_map_iterator& __y)
         {return __x.__i_ != __y.__i_;}
 
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE unordered_map;
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE unordered_multimap;
-    template <class> friend class _LIBCPP_VISIBLE __hash_const_iterator;
-    template <class> friend class _LIBCPP_VISIBLE __hash_const_local_iterator;
-    template <class> friend class _LIBCPP_VISIBLE __hash_map_const_iterator;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_map;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_multimap;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_const_iterator;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_const_local_iterator;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_map_const_iterator;
 };
 
 template <class _HashIterator>
-class _LIBCPP_VISIBLE __hash_map_const_iterator
+class _LIBCPP_TYPE_VIS __hash_map_const_iterator
 {
     _HashIterator __i_;
 
@@ -653,15 +653,15 @@ public:
         bool operator!=(const __hash_map_const_iterator& __x, const __hash_map_const_iterator& __y)
         {return __x.__i_ != __y.__i_;}
 
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE unordered_map;
-    template <class, class, class, class, class> friend class _LIBCPP_VISIBLE unordered_multimap;
-    template <class> friend class _LIBCPP_VISIBLE __hash_const_iterator;
-    template <class> friend class _LIBCPP_VISIBLE __hash_const_local_iterator;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_map;
+    template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_multimap;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_const_iterator;
+    template <class> friend class _LIBCPP_TYPE_VIS __hash_const_local_iterator;
 };
 
 template <class _Key, class _Tp, class _Hash = hash<_Key>, class _Pred = equal_to<_Key>,
           class _Alloc = allocator<pair<const _Key, _Tp> > >
-class _LIBCPP_VISIBLE unordered_map
+class _LIBCPP_TYPE_VIS unordered_map
 {
 public:
     // types
@@ -1294,7 +1294,7 @@ operator!=(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
 
 template <class _Key, class _Tp, class _Hash = hash<_Key>, class _Pred = equal_to<_Key>,
           class _Alloc = allocator<pair<const _Key, _Tp> > >
-class _LIBCPP_VISIBLE unordered_multimap
+class _LIBCPP_TYPE_VIS unordered_multimap
 {
 public:
     // types

include/unordered_set

@@ -313,7 +313,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
 
 template <class _Value, class _Hash = hash<_Value>, class _Pred = equal_to<_Value>,
           class _Alloc = allocator<_Value> >
-class _LIBCPP_VISIBLE unordered_set
+class _LIBCPP_TYPE_VIS unordered_set
 {
 public:
     // types
@@ -725,7 +725,7 @@ operator!=(const unordered_set<_Value, _Hash, _Pred, _Alloc>& __x,
 
 template <class _Value, class _Hash = hash<_Value>, class _Pred = equal_to<_Value>,
           class _Alloc = allocator<_Value> >
-class _LIBCPP_VISIBLE unordered_multiset
+class _LIBCPP_TYPE_VIS unordered_multiset
 {
 public:
     // types

include/utility

@@ -205,7 +205,7 @@ move_if_noexcept(_Tp& __x) _NOEXCEPT
     return _VSTD::move(__x);
 }
 
-struct _LIBCPP_VISIBLE piecewise_construct_t { };
+struct _LIBCPP_TYPE_VIS piecewise_construct_t { };
 #if defined(_LIBCPP_HAS_NO_CONSTEXPR) || defined(_LIBCPP_BUILDING_UTILITY)
 extern const piecewise_construct_t piecewise_construct;// = piecewise_construct_t();
 #else
@@ -213,7 +213,7 @@ constexpr piecewise_construct_t piecewise_construct = piecewise_construct_t();
 #endif
 
 template <class _T1, class _T2>
-struct _LIBCPP_VISIBLE pair
+struct _LIBCPP_TYPE_VIS pair
 {
     typedef _T1 first_type;
     typedef _T2 second_type;
@@ -419,7 +419,7 @@ swap(pair<_T1, _T2>& __x, pair<_T1, _T2>& __y)
 
 #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
-template <class _Tp> class _LIBCPP_VISIBLE reference_wrapper;
+template <class _Tp> class _LIBCPP_TYPE_VIS reference_wrapper;
 
 template <class _Tp>
 struct ___make_pair_return
@@ -461,36 +461,36 @@ make_pair(_T1 __x, _T2 __y)
 #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
 
 template <class _T1, class _T2>
-  class _LIBCPP_VISIBLE tuple_size<pair<_T1, _T2> >
+  class _LIBCPP_TYPE_VIS tuple_size<pair<_T1, _T2> >
     : public integral_constant<size_t, 2> {};
 
 template <class _T1, class _T2>
-  class _LIBCPP_VISIBLE tuple_size<const pair<_T1, _T2> >
+  class _LIBCPP_TYPE_VIS tuple_size<const pair<_T1, _T2> >
     : public integral_constant<size_t, 2> {};
 
 template <class _T1, class _T2>
-class _LIBCPP_VISIBLE tuple_element<0, pair<_T1, _T2> >
+class _LIBCPP_TYPE_VIS tuple_element<0, pair<_T1, _T2> >
 {
 public:
     typedef _T1 type;
 };
 
 template <class _T1, class _T2>
-class _LIBCPP_VISIBLE tuple_element<1, pair<_T1, _T2> >
+class _LIBCPP_TYPE_VIS tuple_element<1, pair<_T1, _T2> >
 {
 public:
     typedef _T2 type;
 };
 
 template <class _T1, class _T2>
-class _LIBCPP_VISIBLE tuple_element<0, const pair<_T1, _T2> >
+class _LIBCPP_TYPE_VIS tuple_element<0, const pair<_T1, _T2> >
 {
 public:
     typedef const _T1 type;
 };
 
 template <class _T1, class _T2>
-class _LIBCPP_VISIBLE tuple_element<1, const pair<_T1, _T2> >
+class _LIBCPP_TYPE_VIS tuple_element<1, const pair<_T1, _T2> >
 {
 public:
     typedef const _T2 type;

include/valarray

@@ -354,9 +354,9 @@ template <class T> unspecified2 end(const valarray<T>& v);
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-template<class _Tp> class _LIBCPP_VISIBLE valarray;
+template<class _Tp> class _LIBCPP_TYPE_VIS valarray;
 
-class _LIBCPP_VISIBLE slice
+class _LIBCPP_TYPE_VIS slice
 {
     size_t __start_;
     size_t __size_;
@@ -381,11 +381,11 @@ public:
     _LIBCPP_INLINE_VISIBILITY size_t stride() const {return __stride_;}
 };
 
-template <class _Tp> class _LIBCPP_VISIBLE slice_array;
-class _LIBCPP_VISIBLE gslice;
-template <class _Tp> class _LIBCPP_VISIBLE gslice_array;
-template <class _Tp> class _LIBCPP_VISIBLE mask_array;
-template <class _Tp> class _LIBCPP_VISIBLE indirect_array;
+template <class _Tp> class _LIBCPP_TYPE_VIS slice_array;
+class _LIBCPP_TYPE_VIS gslice;
+template <class _Tp> class _LIBCPP_TYPE_VIS gslice_array;
+template <class _Tp> class _LIBCPP_TYPE_VIS mask_array;
+template <class _Tp> class _LIBCPP_TYPE_VIS indirect_array;
 
 template <class _Tp>
 _LIBCPP_INLINE_VISIBILITY
@@ -671,7 +671,7 @@ public:
     _LIBCPP_INLINE_VISIBILITY
     size_t size() const {return __size_;}
 
-    template <class> friend class _LIBCPP_VISIBLE valarray;
+    template <class> friend class _LIBCPP_TYPE_VIS valarray;
 };
 
 template <class _ValExpr>
@@ -786,7 +786,7 @@ template<class _Tp>
 struct __is_val_expr<valarray<_Tp> > : true_type {};
 
 template<class _Tp>
-class _LIBCPP_VISIBLE valarray
+class _LIBCPP_TYPE_VIS valarray
 {
 public:
     typedef _Tp value_type;
@@ -976,12 +976,12 @@ public:
     void     resize(size_t __n, value_type __x = value_type());
 
 private:
-    template <class> friend class _LIBCPP_VISIBLE valarray;
-    template <class> friend class _LIBCPP_VISIBLE slice_array;
-    template <class> friend class _LIBCPP_VISIBLE gslice_array;
-    template <class> friend class _LIBCPP_VISIBLE mask_array;
+    template <class> friend class _LIBCPP_TYPE_VIS valarray;
+    template <class> friend class _LIBCPP_TYPE_VIS slice_array;
+    template <class> friend class _LIBCPP_TYPE_VIS gslice_array;
+    template <class> friend class _LIBCPP_TYPE_VIS mask_array;
     template <class> friend class __mask_expr;
-    template <class> friend class _LIBCPP_VISIBLE indirect_array;
+    template <class> friend class _LIBCPP_TYPE_VIS indirect_array;
     template <class> friend class __indirect_expr;
     template <class> friend class __val_expr;
 
@@ -1091,7 +1091,7 @@ struct _BinaryOp<_Op, valarray<_Tp>, valarray<_Tp> >
 // slice_array
 
 template <class _Tp>
-class _LIBCPP_VISIBLE slice_array
+class _LIBCPP_TYPE_VIS slice_array
 {
 public:
     typedef _Tp value_type;
@@ -1394,7 +1394,7 @@ slice_array<_Tp>::operator=(const value_type& __x) const
 
 // gslice
 
-class _LIBCPP_VISIBLE gslice
+class _LIBCPP_TYPE_VIS gslice
 {
     valarray<size_t> __size_;
     valarray<size_t> __stride_;
@@ -1461,7 +1461,7 @@ private:
 // gslice_array
 
 template <class _Tp>
-class _LIBCPP_VISIBLE gslice_array
+class _LIBCPP_TYPE_VIS gslice_array
 {
 public:
     typedef _Tp value_type;
@@ -1790,7 +1790,7 @@ gslice_array<_Tp>::operator=(const value_type& __x) const
 // mask_array
 
 template <class _Tp>
-class _LIBCPP_VISIBLE mask_array
+class _LIBCPP_TYPE_VIS mask_array
 {
 public:
     typedef _Tp value_type;
@@ -2134,7 +2134,7 @@ public:
 // indirect_array
 
 template <class _Tp>
-class _LIBCPP_VISIBLE indirect_array
+class _LIBCPP_TYPE_VIS indirect_array
 {
 public:
     typedef _Tp value_type;
@@ -2485,7 +2485,7 @@ public:
     _LIBCPP_INLINE_VISIBILITY
     size_t size() const {return __1d_.size();}
 
-    template <class> friend class _LIBCPP_VISIBLE valarray;
+    template <class> friend class _LIBCPP_TYPE_VIS valarray;
 };
 
 template<class _ValExpr>

include/vector

@@ -481,7 +481,7 @@ __vector_base<_Tp, _Allocator>::~__vector_base()
 }
 
 template <class _Tp, class _Allocator = allocator<_Tp> >
-class _LIBCPP_VISIBLE vector
+class _LIBCPP_TYPE_VIS vector
     : private __vector_base<_Tp, _Allocator>
 {
 private:
@@ -502,6 +502,9 @@ public:
     typedef _VSTD::reverse_iterator<iterator>         reverse_iterator;
     typedef _VSTD::reverse_iterator<const_iterator>   const_reverse_iterator;
 
+    static_assert((is_same<typename allocator_type::value_type, value_type>::value),
+                  "Allocator::value_type must be same type as value_type");
+
     _LIBCPP_INLINE_VISIBILITY
     vector()
         _NOEXCEPT_(is_nothrow_default_constructible<allocator_type>::value)
@@ -523,17 +526,29 @@ public:
     template <class _InputIterator>
         vector(_InputIterator __first, _InputIterator __last,
                typename enable_if<__is_input_iterator  <_InputIterator>::value &&
-                                 !__is_forward_iterator<_InputIterator>::value>::type* = 0);
+                                 !__is_forward_iterator<_InputIterator>::value &&
+                                 is_constructible<
+                                    value_type,
+                                    typename iterator_traits<_InputIterator>::reference>::value>::type* = 0);
     template <class _InputIterator>
         vector(_InputIterator __first, _InputIterator __last, const allocator_type& __a,
                typename enable_if<__is_input_iterator  <_InputIterator>::value &&
-                                 !__is_forward_iterator<_InputIterator>::value>::type* = 0);
+                                 !__is_forward_iterator<_InputIterator>::value &&
+                                 is_constructible<
+                                    value_type,
+                                    typename iterator_traits<_InputIterator>::reference>::value>::type* = 0);
     template <class _ForwardIterator>
         vector(_ForwardIterator __first, _ForwardIterator __last,
-               typename enable_if<__is_forward_iterator<_ForwardIterator>::value>::type* = 0);
+               typename enable_if<__is_forward_iterator<_ForwardIterator>::value &&
+                                 is_constructible<
+                                    value_type,
+                                    typename iterator_traits<_ForwardIterator>::reference>::value>::type* = 0);
     template <class _ForwardIterator>
         vector(_ForwardIterator __first, _ForwardIterator __last, const allocator_type& __a,
-               typename enable_if<__is_forward_iterator<_ForwardIterator>::value>::type* = 0);
+               typename enable_if<__is_forward_iterator<_ForwardIterator>::value &&
+                                 is_constructible<
+                                    value_type,
+                                    typename iterator_traits<_ForwardIterator>::reference>::value>::type* = 0);
 #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
     _LIBCPP_INLINE_VISIBILITY
     vector(initializer_list<value_type> __il);
@@ -574,14 +589,20 @@ public:
         typename enable_if
         <
              __is_input_iterator  <_InputIterator>::value &&
-            !__is_forward_iterator<_InputIterator>::value,
+            !__is_forward_iterator<_InputIterator>::value &&
+            is_constructible<
+                 value_type,
+                 typename iterator_traits<_InputIterator>::reference>::value,
             void
         >::type
         assign(_InputIterator __first, _InputIterator __last);
     template <class _ForwardIterator>
         typename enable_if
         <
-            __is_forward_iterator<_ForwardIterator>::value,
+            __is_forward_iterator<_ForwardIterator>::value &&
+            is_constructible<
+                 value_type,
+                 typename iterator_traits<_ForwardIterator>::reference>::value,
             void
         >::type
         assign(_ForwardIterator __first, _ForwardIterator __last);
@@ -697,14 +718,20 @@ public:
         typename enable_if
         <
              __is_input_iterator  <_InputIterator>::value &&
-            !__is_forward_iterator<_InputIterator>::value,
+            !__is_forward_iterator<_InputIterator>::value &&
+            is_constructible<
+                 value_type,
+                 typename iterator_traits<_InputIterator>::reference>::value,
             iterator
         >::type
         insert(const_iterator __position, _InputIterator __first, _InputIterator __last);
     template <class _ForwardIterator>
         typename enable_if
         <
-            __is_forward_iterator<_ForwardIterator>::value,
+            __is_forward_iterator<_ForwardIterator>::value &&
+            is_constructible<
+                 value_type,
+                 typename iterator_traits<_ForwardIterator>::reference>::value,
             iterator
         >::type
         insert(const_iterator __position, _ForwardIterator __first, _ForwardIterator __last);
@@ -1031,7 +1058,10 @@ template <class _Tp, class _Allocator>
 template <class _InputIterator>
 vector<_Tp, _Allocator>::vector(_InputIterator __first, _InputIterator __last,
        typename enable_if<__is_input_iterator  <_InputIterator>::value &&
-                         !__is_forward_iterator<_InputIterator>::value>::type*)
+                         !__is_forward_iterator<_InputIterator>::value &&
+                         is_constructible<
+                            value_type,
+                            typename iterator_traits<_InputIterator>::reference>::value>::type*)
 {
 #if _LIBCPP_DEBUG_LEVEL >= 2
     __get_db()->__insert_c(this);
@@ -1044,7 +1074,10 @@ template <class _Tp, class _Allocator>
 template <class _InputIterator>
 vector<_Tp, _Allocator>::vector(_InputIterator __first, _InputIterator __last, const allocator_type& __a,
        typename enable_if<__is_input_iterator  <_InputIterator>::value &&
-                         !__is_forward_iterator<_InputIterator>::value>::type*)
+                         !__is_forward_iterator<_InputIterator>::value &&
+                         is_constructible<
+                            value_type,
+                            typename iterator_traits<_InputIterator>::reference>::value>::type*)
     : __base(__a)
 {
 #if _LIBCPP_DEBUG_LEVEL >= 2
@@ -1057,7 +1090,10 @@ vector<_Tp, _Allocator>::vector(_InputIterator __first, _InputIterator __last, c
 template <class _Tp, class _Allocator>
 template <class _ForwardIterator>
 vector<_Tp, _Allocator>::vector(_ForwardIterator __first, _ForwardIterator __last,
-                                typename enable_if<__is_forward_iterator<_ForwardIterator>::value>::type*)
+                                typename enable_if<__is_forward_iterator<_ForwardIterator>::value &&
+                                is_constructible<
+                                   value_type,
+                                   typename iterator_traits<_ForwardIterator>::reference>::value>::type*)
 {
 #if _LIBCPP_DEBUG_LEVEL >= 2
     __get_db()->__insert_c(this);
@@ -1073,7 +1109,10 @@ vector<_Tp, _Allocator>::vector(_ForwardIterator __first, _ForwardIterator __las
 template <class _Tp, class _Allocator>
 template <class _ForwardIterator>
 vector<_Tp, _Allocator>::vector(_ForwardIterator __first, _ForwardIterator __last, const allocator_type& __a,
-                                typename enable_if<__is_forward_iterator<_ForwardIterator>::value>::type*)
+                                typename enable_if<__is_forward_iterator<_ForwardIterator>::value &&
+                                is_constructible<
+                                   value_type,
+                                   typename iterator_traits<_ForwardIterator>::reference>::value>::type*)
     : __base(__a)
 {
 #if _LIBCPP_DEBUG_LEVEL >= 2
@@ -1255,7 +1294,10 @@ template <class _InputIterator>
 typename enable_if
 <
      __is_input_iterator  <_InputIterator>::value &&
-    !__is_forward_iterator<_InputIterator>::value,
+    !__is_forward_iterator<_InputIterator>::value &&
+    is_constructible<
+       _Tp,
+       typename iterator_traits<_InputIterator>::reference>::value,
     void
 >::type
 vector<_Tp, _Allocator>::assign(_InputIterator __first, _InputIterator __last)
@@ -1269,7 +1311,10 @@ template <class _Tp, class _Allocator>
 template <class _ForwardIterator>
 typename enable_if
 <
-    __is_forward_iterator<_ForwardIterator>::value,
+    __is_forward_iterator<_ForwardIterator>::value &&
+    is_constructible<
+       _Tp,
+       typename iterator_traits<_ForwardIterator>::reference>::value,
     void
 >::type
 vector<_Tp, _Allocator>::assign(_ForwardIterator __first, _ForwardIterator __last)
@@ -1458,7 +1503,8 @@ vector<_Tp, _Allocator>::__push_back_slow_path(_Up& __x)
     allocator_type& __a = this->__alloc();
     __split_buffer<value_type, allocator_type&> __v(__recommend(size() + 1), size(), __a);
     // __v.push_back(_VSTD::forward<_Up>(__x));
-    __alloc_traits::construct(__a, _VSTD::__to_raw_pointer(__v.__end_++), _VSTD::forward<_Up>(__x));
+    __alloc_traits::construct(__a, _VSTD::__to_raw_pointer(__v.__end_), _VSTD::forward<_Up>(__x));
+    __v.__end_++;
     __swap_out_circular_buffer(__v);
 }
 
@@ -1505,7 +1551,8 @@ vector<_Tp, _Allocator>::__emplace_back_slow_path(_Args&&... __args)
     allocator_type& __a = this->__alloc();
     __split_buffer<value_type, allocator_type&> __v(__recommend(size() + 1), size(), __a);
 //    __v.emplace_back(_VSTD::forward<_Args>(__args)...);
-    __alloc_traits::construct(__a, _VSTD::__to_raw_pointer(__v.__end_++), _VSTD::forward<_Args>(__args)...);
+    __alloc_traits::construct(__a, _VSTD::__to_raw_pointer(__v.__end_), _VSTD::forward<_Args>(__args)...);
+    __v.__end_++;
     __swap_out_circular_buffer(__v);
 }
 
@@ -1548,6 +1595,8 @@ vector<_Tp, _Allocator>::erase(const_iterator __position)
         "vector::erase(iterator) called with an iterator not"
         " referring to this vector");
 #endif
+    _LIBCPP_ASSERT(__position != end(),
+        "vector::erase(iterator) called with a non-dereferenceable iterator");
     pointer __p = const_cast<pointer>(&*__position);
     iterator __r = __make_iter(__p);
     this->__destruct_at_end(_VSTD::move(__p + 1, this->__end_, __p));
@@ -1566,7 +1615,8 @@ vector<_Tp, _Allocator>::erase(const_iterator __first, const_iterator __last)
     _LIBCPP_ASSERT(__first <= __last, "vector::erase(first, last) called with invalid range");
     pointer __p = this->__begin_ + (__first - begin());
     iterator __r = __make_iter(__p);
-    this->__destruct_at_end(_VSTD::move(__p + (__last - __first), this->__end_, __p));
+    if (__first != __last)
+        this->__destruct_at_end(_VSTD::move(__p + (__last - __first), this->__end_, __p));
     return __r;
 }
 
@@ -1746,7 +1796,10 @@ template <class _InputIterator>
 typename enable_if
 <
      __is_input_iterator  <_InputIterator>::value &&
-    !__is_forward_iterator<_InputIterator>::value,
+    !__is_forward_iterator<_InputIterator>::value &&
+    is_constructible<
+       _Tp,
+       typename iterator_traits<_InputIterator>::reference>::value,
     typename vector<_Tp, _Allocator>::iterator
 >::type
 vector<_Tp, _Allocator>::insert(const_iterator __position, _InputIterator __first, _InputIterator __last)
@@ -1798,7 +1851,10 @@ template <class _Tp, class _Allocator>
 template <class _ForwardIterator>
 typename enable_if
 <
-    __is_forward_iterator<_ForwardIterator>::value,
+    __is_forward_iterator<_ForwardIterator>::value &&
+    is_constructible<
+       _Tp,
+       typename iterator_traits<_ForwardIterator>::reference>::value,
     typename vector<_Tp, _Allocator>::iterator
 >::type
 vector<_Tp, _Allocator>::insert(const_iterator __position, _ForwardIterator __first, _ForwardIterator __last)
@@ -1961,7 +2017,7 @@ struct __has_storage_type<vector<bool, _Allocator> >
 };
 
 template <class _Allocator>
-class _LIBCPP_VISIBLE vector<bool, _Allocator>
+class _LIBCPP_TYPE_VIS vector<bool, _Allocator>
     : private __vector_base_common<true>
 {
 public:
@@ -2319,7 +2375,7 @@ private:
     friend class __bit_iterator<vector, false>;
     friend class __bit_iterator<vector, true>;
     friend struct __bit_array<vector>;
-    friend struct _LIBCPP_VISIBLE hash<vector>;
+    friend struct _LIBCPP_TYPE_VIS hash<vector>;
 };
 
 template <class _Allocator>
@@ -3102,7 +3158,7 @@ vector<bool, _Allocator>::__hash_code() const _NOEXCEPT
 }
 
 template <class _Allocator>
-struct _LIBCPP_VISIBLE hash<vector<bool, _Allocator> >
+struct _LIBCPP_TYPE_VIS hash<vector<bool, _Allocator> >
     : public unary_function<vector<bool, _Allocator>, size_t>
 {
     _LIBCPP_INLINE_VISIBILITY

lib/CMakeLists.txt

@@ -31,7 +31,12 @@ else()
     )
 endif()
 
+if (DEFINED LIBCXX_CXX_ABI_DEPS)
+  add_dependencies(cxx ${LIBCXX_CXX_ABI_DEPS})
+endif()
+
 # Generate library list.
+set(libraries ${LIBCXX_CXX_ABI_LIBRARIES})
 append_if(libraries LIBCXX_HAS_PTHREAD_LIB pthread)
 append_if(libraries LIBCXX_HAS_C_LIB c)
 append_if(libraries LIBCXX_HAS_M_LIB m)

lib/buildit

@@ -8,13 +8,13 @@ set -e
 
 if [ `basename $(pwd)` != "lib" ]
 then
-	echo "current directory must be lib"
-	exit 1
+    echo "current directory must be lib"
+    exit 1
 fi
 
 if [ -z "$CXX" ]
 then
-	CXX=clang++
+    CXX=clang++
 fi
 
 if [ -z "$CC" ]
@@ -24,10 +24,10 @@ fi
 
 if [ -z $MACOSX_DEPLOYMENT_TARGET ]
 then
-	if [ -z $IPHONEOS_DEPLOYMENT_TARGET ]
-	then
-		MACOSX_DEPLOYMENT_TARGET=10.7
-	fi
+    if [ -z $IPHONEOS_DEPLOYMENT_TARGET ]
+    then
+        MACOSX_DEPLOYMENT_TARGET=10.7
+    fi
 fi
 
 if [ -z $RC_ProjectSourceVersion ]
@@ -37,7 +37,7 @@ fi
 
 EXTRA_FLAGS="-std=c++0x -fstrict-aliasing -Wall -Wextra -Wshadow -Wconversion \
              -Wnewline-eof -Wpadded -Wmissing-prototypes -Wstrict-aliasing=2 \
-             -Wstrict-overflow=4"
+             -Wstrict-overflow=4 "
 
 case $TRIPLE in
   *-apple-*)
@@ -46,41 +46,49 @@ case $TRIPLE in
       RC_CFLAGS="-arch i386 -arch x86_64"
     fi
     SOEXT=dylib
-	if [ "$MACOSX_DEPLOYMENT_TARGET" == "10.6" ]
-	then
-	    EXTRA_FLAGS="-std=c++0x -U__STRICT_ANSI__"
-		LDSHARED_FLAGS="-o libc++.1.dylib \
-			-dynamiclib -nodefaultlibs -current_version 1 \
-			-compatibility_version 1 \
-			-install_name /usr/lib/libc++.1.dylib \
-			-Wl,-reexport_library,/usr/lib/libc++abi.dylib \
-			-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 \
-			-dynamiclib -nodefaultlibs  \
-			-current_version ${RC_ProjectSourceVersion} \
-			-compatibility_version 1 \
-			-install_name /usr/lib/libc++.1.dylib \
-			-lSystem  \
-			-Wl,-unexported_symbols_list,libc++unexp.exp  \
-			${RE_EXPORT_LINE}  \
-			-Wl,-force_symbols_not_weak_list,notweak.exp \
-			-Wl,-force_symbols_weak_list,weak.exp"
-	fi
+    if [ "$MACOSX_DEPLOYMENT_TARGET" == "10.6" ]
+    then
+        EXTRA_FLAGS="-std=c++0x -U__STRICT_ANSI__"
+        LDSHARED_FLAGS="-o libc++.1.dylib \
+            -dynamiclib -nodefaultlibs -current_version 1 \
+            -compatibility_version 1 \
+            -install_name /usr/lib/libc++.1.dylib \
+            -Wl,-reexport_library,/usr/lib/libc++abi.dylib \
+            -Wl,-unexported_symbols_list,libc++unexp.exp  \
+            /usr/lib/libSystem.B.dylib"
+    else
+        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`
+        else
+            # Check if we have _LIBCPPABI_VERSION, to determine the reexport list to use.
+            if (echo "#include <cxxabi.h>" | $CXX -E -dM -x c++ - | \
+                grep _LIBCPPABI_VERSION > /dev/null)
+            then
+                RE_EXPORT_LINE="/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_list,libc++abi2.exp"
+            else
+                RE_EXPORT_LINE="/usr/lib/libc++abi.dylib -Wl,-reexported_symbols_list,libc++abi.exp"
+            fi
+        fi
+        LDSHARED_FLAGS="-o libc++.1.dylib \
+            -dynamiclib -nodefaultlibs  \
+            -current_version ${RC_ProjectSourceVersion} \
+            -compatibility_version 1 \
+            -install_name /usr/lib/libc++.1.dylib \
+            -lSystem  \
+            -Wl,-unexported_symbols_list,libc++unexp.exp  \
+            ${RE_EXPORT_LINE}  \
+            -Wl,-force_symbols_not_weak_list,notweak.exp \
+            -Wl,-force_symbols_weak_list,weak.exp"
+    fi
     ;;
   *-*-mingw*)
     # FIXME: removing libgcc and libsupc++ dependencies means porting libcxxrt and LLVM/compiler-rt
@@ -88,7 +96,7 @@ case $TRIPLE in
     LDSHARED_FLAGS="-o libc++.dll \
         -shared -nodefaultlibs -Wl,--export-all-symbols -Wl,--allow-multiple-definition -Wl,--out-implib,libc++.dll.a \
         -lsupc++ -lpthread -lmingw32 -lgcc_s -lgcc -lmoldname -lmingwex -lmsvcr100 -ladvapi32 -lshell32 -luser32 -lkernel32 -lmingw32 -lgcc_s -lgcc -lmoldname -lmingwex -lmsvcrt"
-	;;
+    ;;
   *)
     RC_CFLAGS="-fPIC"
     SOEXT=so
@@ -106,7 +114,7 @@ fi
 set -x
 
 for FILE in ../src/*.cpp; do
-	$CXX -c -g -Os $RC_CFLAGS $EXTRA_FLAGS -nostdinc++ -I../include $FILE
+    $CXX -c -g -Os $RC_CFLAGS $EXTRA_FLAGS -nostdinc++ -I../include $FILE
 done
 case $TRIPLE in
   *-*-mingw*)
@@ -119,6 +127,21 @@ $CC *.o $RC_CFLAGS $LDSHARED_FLAGS $EXTRA_FLAGS
 
 #libtool -static -o libc++.a *.o
 
+# Create the link for the final library name, so that we can use this directory
+# as a link target for the tests.
+case $TRIPLE in
+    *-apple-*)
+        rm -f libc++.dylib
+        ln -s libc++.1.dylib libc++.dylib
+        ;;
+    *-*-mingw*)
+        ;;
+    *)
+        rm -f libc++.so
+        ln -s libc++.so.1 libc++.so
+        ;;
+esac
+
 if [ -z $RC_XBS ]
 then
     rm *.o

src/chrono.cpp

@@ -9,7 +9,7 @@
 
 #include "chrono"
 #include <sys/time.h>        //for gettimeofday and timeval
-#if __APPLE__
+#ifdef __APPLE__
 #include <mach/mach_time.h>  // mach_absolute_time, mach_timebase_info_data_t
 #else  /* !__APPLE__ */
 #include <cerrno>  // errno
@@ -24,6 +24,8 @@ namespace chrono
 
 // system_clock
 
+const bool system_clock::is_steady;
+
 system_clock::time_point
 system_clock::now() _NOEXCEPT
 {
@@ -46,7 +48,9 @@ system_clock::from_time_t(time_t t) _NOEXCEPT
 
 // steady_clock
 
-#if __APPLE__
+const bool steady_clock::is_steady;
+
+#ifdef __APPLE__
 //   mach_absolute_time() * MachInfo.numer / MachInfo.denom is the number of
 //   nanoseconds since the computer booted up.  MachInfo.numer and MachInfo.denom
 //   are run time constants supplied by the OS.  This clock has no relationship

src/debug.cpp

@@ -17,15 +17,15 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-_LIBCPP_VISIBLE
+_LIBCPP_FUNC_VIS
 __libcpp_db*
 __get_db()
 {
     static __libcpp_db db;
     return &db;
-};
+}
 
-_LIBCPP_VISIBLE
+_LIBCPP_FUNC_VIS
 const __libcpp_db*
 __get_const_db()
 {
@@ -110,8 +110,7 @@ __libcpp_db::__find_c_from_i(void* __i) const
 {
     RLock _(mut());
     __i_node* i = __find_iterator(__i);
-    _LIBCPP_ASSERT(i != nullptr, "iterator constructed in translation unit with debug mode not enabled."
-                   "  #define _LIBCPP_DEBUG2 1 for that translation unit.");
+    _LIBCPP_ASSERT(i != nullptr, "iterator not found in debug database.");
     return i->__c_ != nullptr ? i->__c_->__c_ : nullptr;
 }
 
@@ -144,7 +143,7 @@ __libcpp_db::__insert_c(void* __c)
     if (__csz_ + 1 > static_cast<size_t>(__cend_ - __cbeg_))
     {
         size_t nc = __next_prime(2*static_cast<size_t>(__cend_ - __cbeg_) + 1);
-        __c_node** cbeg = (__c_node**)calloc(nc, sizeof(void*));
+        __c_node** cbeg = static_cast<__c_node**>(calloc(nc, sizeof(void*)));
         if (cbeg == nullptr)
 #ifndef _LIBCPP_NO_EXCEPTIONS
             throw bad_alloc();
@@ -169,7 +168,8 @@ __libcpp_db::__insert_c(void* __c)
     }
     size_t hc = hash<void*>()(__c) % static_cast<size_t>(__cend_ - __cbeg_);
     __c_node* p = __cbeg_[hc];
-    __c_node* r = __cbeg_[hc] = (__c_node*)malloc(sizeof(__c_node));
+    __c_node* r = __cbeg_[hc] =
+      static_cast<__c_node*>(malloc(sizeof(__c_node)));
     if (__cbeg_[hc] == nullptr)
 #ifndef _LIBCPP_NO_EXCEPTIONS
         throw bad_alloc();
@@ -302,7 +302,7 @@ __libcpp_db::__iterator_copy(void* __i, const void* __i0)
     __i_node* i = __find_iterator(__i);
     __i_node* i0 = __find_iterator(__i0);
     __c_node* c0 = i0 != nullptr ? i0->__c_ : nullptr;
-    if (i == nullptr && c0 != nullptr)
+    if (i == nullptr && i0 != nullptr)
         i = __insert_iterator(__i);
     __c_node* c = i != nullptr ? i->__c_ : nullptr;
     if (c != c0)
@@ -408,7 +408,8 @@ __c_node::__add(__i_node* i)
         size_t nc = 2*static_cast<size_t>(cap_ - beg_);
         if (nc == 0)
             nc = 1;
-        __i_node** beg = (__i_node**)malloc(nc * sizeof(__i_node*));
+        __i_node** beg =
+           static_cast<__i_node**>(malloc(nc * sizeof(__i_node*)));
         if (beg == nullptr)
 #ifndef _LIBCPP_NO_EXCEPTIONS
             throw bad_alloc();
@@ -434,7 +435,7 @@ __libcpp_db::__insert_iterator(void* __i)
     if (__isz_ + 1 > static_cast<size_t>(__iend_ - __ibeg_))
     {
         size_t nc = __next_prime(2*static_cast<size_t>(__iend_ - __ibeg_) + 1);
-        __i_node** ibeg = (__i_node**)calloc(nc, sizeof(void*));
+        __i_node** ibeg = static_cast<__i_node**>(calloc(nc, sizeof(void*)));
         if (ibeg == nullptr)
 #ifndef _LIBCPP_NO_EXCEPTIONS
             throw bad_alloc();
@@ -459,7 +460,8 @@ __libcpp_db::__insert_iterator(void* __i)
     }
     size_t hi = hash<void*>()(__i) % static_cast<size_t>(__iend_ - __ibeg_);
     __i_node* p = __ibeg_[hi];
-    __i_node* r = __ibeg_[hi] = (__i_node*)malloc(sizeof(__i_node));
+    __i_node* r = __ibeg_[hi] =
+      static_cast<__i_node*>(malloc(sizeof(__i_node)));
     if (r == nullptr)
 #ifndef _LIBCPP_NO_EXCEPTIONS
         throw bad_alloc();

src/exception.cpp

@@ -14,7 +14,7 @@
 #define __has_include(inc) 0
 #endif
 
-#if __APPLE__
+#ifdef __APPLE__
   #include <cxxabi.h>
 
   using namespace __cxxabiv1;
@@ -33,7 +33,7 @@
   #if defined(LIBCXXRT) || defined(_LIBCPPABI_VERSION)
     #define HAVE_DEPENDENT_EH_ABI 1
   #endif
-#else  // __has_include(<cxxabi.h>)
+#elif !defined(__GLIBCXX__) // __has_include(<cxxabi.h>)
   static std::terminate_handler  __terminate_handler;
   static std::unexpected_handler __unexpected_handler;
 #endif // __has_include(<cxxabi.h>)
@@ -41,7 +41,7 @@
 namespace std
 {
 
-#if !defined(LIBCXXRT) && !defined(_LIBCPPABI_VERSION)
+#if !defined(LIBCXXRT) && !defined(_LIBCPPABI_VERSION) && !defined(__GLIBCXX__)
 
 // libcxxrt provides implementations of these functions itself.
 unexpected_handler
@@ -77,6 +77,7 @@ get_terminate() _NOEXCEPT
     return __sync_fetch_and_add(&__terminate_handler, (terminate_handler)0);
 }
 
+#ifndef EMSCRIPTEN // We provide this in JS
 _LIBCPP_NORETURN
 void
 terminate() _NOEXCEPT
@@ -97,12 +98,13 @@ terminate() _NOEXCEPT
     }
 #endif  // _LIBCPP_NO_EXCEPTIONS
 }
+#endif // !EMSCRIPTEN
 #endif // !defined(LIBCXXRT) && !defined(_LIBCPPABI_VERSION)
 
-#ifndef LIBCXXRT
+#if !defined(LIBCXXRT) && !defined(__GLIBCXX__) && !defined(EMSCRIPTEN)
 bool uncaught_exception() _NOEXCEPT
 {
-#if __APPLE__ || defined(_LIBCPPABI_VERSION)
+#if defined(__APPLE__) || defined(_LIBCPPABI_VERSION)
     // on Darwin, there is a helper function so __cxa_get_globals is private
     return __cxa_uncaught_exception();
 #else  // __APPLE__
@@ -124,7 +126,7 @@ const char* exception::what() const _NOEXCEPT
 
 #endif  // _LIBCPPABI_VERSION
 #endif //LIBCXXRT
-#ifndef _LIBCPPABI_VERSION
+#if !defined(_LIBCPPABI_VERSION) && !defined(__GLIBCXX__)
 
 bad_exception::~bad_exception() _NOEXCEPT
 {

src/future.cpp

@@ -78,8 +78,8 @@ __assoc_sub_state::set_value()
         throw future_error(make_error_code(future_errc::promise_already_satisfied));
 #endif
     __state_ |= __constructed | ready;
-    __lk.unlock();
     __cv_.notify_all();
+    __lk.unlock();
 }
 
 void

src/hash.cpp

@@ -10,6 +10,11 @@
 #include "__hash_table"
 #include "algorithm"
 #include "stdexcept"
+#include "type_traits"
+
+#ifdef __clang__
+#pragma clang diagnostic ignored "-Wtautological-constant-out-of-range-compare"
+#endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
@@ -144,23 +149,29 @@ const unsigned indices[] =
 // are fewer potential primes to search, and fewer potential primes to divide
 // against.
 
+template <size_t _Sz = sizeof(size_t)>
 inline _LIBCPP_INLINE_VISIBILITY
-void
-__check_for_overflow(size_t N, integral_constant<size_t, 32>)
+typename enable_if<_Sz == 4, void>::type
+__check_for_overflow(size_t N)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS 
+#ifndef _LIBCPP_NO_EXCEPTIONS
     if (N > 0xFFFFFFFB)
         throw overflow_error("__next_prime overflow");
+#else
+    (void)N;
 #endif
 }
 
+template <size_t _Sz = sizeof(size_t)>
 inline _LIBCPP_INLINE_VISIBILITY
-void
-__check_for_overflow(size_t N, integral_constant<size_t, 64>)
+typename enable_if<_Sz == 8, void>::type
+__check_for_overflow(size_t N)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS 
+#ifndef _LIBCPP_NO_EXCEPTIONS
     if (N > 0xFFFFFFFFFFFFFFC5ull)
         throw overflow_error("__next_prime overflow");
+#else
+    (void)N;
 #endif
 }
 
@@ -174,8 +185,7 @@ __next_prime(size_t n)
         return *std::lower_bound(small_primes, small_primes + N, n);
     // Else n > largest small_primes
     // Check for overflow
-    __check_for_overflow(n, integral_constant<size_t, 
-                                                   sizeof(n) * __CHAR_BIT__>());
+    __check_for_overflow(n);
     // Start searching list of potential primes: L * k0 + indices[in]
     const size_t M = sizeof(indices) / sizeof(indices[0]);
     // Select first potential prime >= n

src/iostream.cpp

@@ -13,6 +13,8 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
+static mbstate_t state_types[6] = {};
+
 _ALIGNAS_TYPE (__stdinbuf<char> ) static char __cin [sizeof(__stdinbuf <char>)];
 _ALIGNAS_TYPE (__stdoutbuf<char>) static char __cout[sizeof(__stdoutbuf<char>)];
 _ALIGNAS_TYPE (__stdoutbuf<char>) static char __cerr[sizeof(__stdoutbuf<char>)];
@@ -33,17 +35,17 @@ ios_base::Init __start_std_streams;
 
 ios_base::Init::Init()
 {
-    istream* cin_ptr  = ::new(cin)  istream(::new(__cin)  __stdinbuf <char>(stdin) );
-    ostream* cout_ptr = ::new(cout) ostream(::new(__cout) __stdoutbuf<char>(stdout));
-    ostream* cerr_ptr = ::new(cerr) ostream(::new(__cerr) __stdoutbuf<char>(stderr));
+    istream* cin_ptr  = ::new(cin)  istream(::new(__cin)  __stdinbuf <char>(stdin, state_types+0) );
+    ostream* cout_ptr = ::new(cout) ostream(::new(__cout) __stdoutbuf<char>(stdout, state_types+1));
+    ostream* cerr_ptr = ::new(cerr) ostream(::new(__cerr) __stdoutbuf<char>(stderr, state_types+2));
                         ::new(clog) ostream(cerr_ptr->rdbuf());
     cin_ptr->tie(cout_ptr);
     _VSTD::unitbuf(*cerr_ptr);
     cerr_ptr->tie(cout_ptr);
 
-    wistream* wcin_ptr  = ::new(wcin)  wistream(::new(__wcin)  __stdinbuf <wchar_t>(stdin) );
-    wostream* wcout_ptr = ::new(wcout) wostream(::new(__wcout) __stdoutbuf<wchar_t>(stdout));
-    wostream* wcerr_ptr = ::new(wcerr) wostream(::new(__wcerr) __stdoutbuf<wchar_t>(stderr));
+    wistream* wcin_ptr  = ::new(wcin)  wistream(::new(__wcin)  __stdinbuf <wchar_t>(stdin, state_types+3) );
+    wostream* wcout_ptr = ::new(wcout) wostream(::new(__wcout) __stdoutbuf<wchar_t>(stdout, state_types+4));
+    wostream* wcerr_ptr = ::new(wcerr) wostream(::new(__wcerr) __stdoutbuf<wchar_t>(stderr, state_types+5));
                           ::new(wclog) wostream(wcerr_ptr->rdbuf());
     wcin_ptr->tie(wcout_ptr);
     _VSTD::unitbuf(*wcerr_ptr);
@@ -52,13 +54,13 @@ ios_base::Init::Init()
 
 ios_base::Init::~Init()
 {
-    ostream* cout_ptr = (ostream*)cout;
-    ostream* clog_ptr = (ostream*)clog;
+    ostream* cout_ptr = reinterpret_cast<ostream*>(cout);
+    ostream* clog_ptr = reinterpret_cast<ostream*>(clog);
     cout_ptr->flush();
     clog_ptr->flush();
 
-    wostream* wcout_ptr = (wostream*)wcout;
-    wostream* wclog_ptr = (wostream*)wclog;
+    wostream* wcout_ptr = reinterpret_cast<wostream*>(wcout);
+    wostream* wclog_ptr = reinterpret_cast<wostream*>(wclog);
     wcout_ptr->flush();
     wclog_ptr->flush();
 }

src/locale.cpp

@@ -25,13 +25,17 @@
 #include "cstring"
 #include "cwctype"
 #include "__sso_allocator"
-#if _WIN32
+#ifdef _WIN32
 #include <support/win32/locale_win32.h>
 #else // _WIN32
 #include <langinfo.h>
 #endif // _!WIN32
 #include <stdlib.h>
 
+// On Linux, wint_t and wchar_t have different signed-ness, and this causes
+// lots of noise in the build log, but no bugs that I know of. 
+#pragma clang diagnostic ignored "-Wsign-conversion"
+
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 #ifdef __cloc_defined
@@ -81,8 +85,35 @@ make(A0 a0, A1 a1, A2 a2)
     return *(T*)&buf;
 }
 
+template <typename T, size_t N>
+inline
+_LIBCPP_CONSTEXPR
+size_t
+countof(const T (&)[N])
+{
+    return N;
 }
 
+template <typename T>
+inline
+_LIBCPP_CONSTEXPR
+size_t
+countof(const T * const begin, const T * const end)
+{
+    return static_cast<size_t>(end - begin);
+}
+
+}
+
+const locale::category locale::none;
+const locale::category locale::collate;
+const locale::category locale::ctype;
+const locale::category locale::monetary;
+const locale::category locale::numeric;
+const locale::category locale::time;
+const locale::category locale::messages;
+const locale::category locale::all;
+
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wpadded"
 
@@ -197,6 +228,13 @@ locale::__imp::__imp(const string& name, size_t refs)
 #endif  // _LIBCPP_NO_EXCEPTIONS
 }
 
+// NOTE avoid the `base class should be explicitly initialized in the
+// copy constructor` warning emitted by GCC
+#if defined(__clang__) || _GNUC_VER >= 406
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wextra"
+#endif
+
 locale::__imp::__imp(const __imp& other)
     : facets_(max<size_t>(N, other.facets_.size())),
       name_(other.name_)
@@ -207,6 +245,10 @@ locale::__imp::__imp(const __imp& other)
             facets_[i]->__add_shared();
 }
 
+#if defined(__clang__) || _GNUC_VER >= 406
+#pragma GCC diagnostic pop
+#endif
+
 locale::__imp::__imp(const __imp& other, const string& name, locale::category c)
     : facets_(N),
       name_("*")
@@ -691,6 +733,19 @@ collate_byname<wchar_t>::do_transform(const char_type* lo, const char_type* hi)
 
 // template <> class ctype<wchar_t>;
 
+const ctype_base::mask ctype_base::space;
+const ctype_base::mask ctype_base::print;
+const ctype_base::mask ctype_base::cntrl;
+const ctype_base::mask ctype_base::upper;
+const ctype_base::mask ctype_base::lower;
+const ctype_base::mask ctype_base::alpha;
+const ctype_base::mask ctype_base::digit;
+const ctype_base::mask ctype_base::punct;
+const ctype_base::mask ctype_base::xdigit;
+const ctype_base::mask ctype_base::blank;
+const ctype_base::mask ctype_base::alnum;
+const ctype_base::mask ctype_base::graph;
+    
 locale::id ctype<wchar_t>::id;
 
 ctype<wchar_t>::~ctype()
@@ -735,7 +790,7 @@ ctype<wchar_t>::do_toupper(char_type c) const
 {
 #ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
     return isascii(c) ? _DefaultRuneLocale.__mapupper[c] : c;
-#elif defined(__GLIBC__)
+#elif defined(__GLIBC__) || defined(EMSCRIPTEN)
     return isascii(c) ? ctype<char>::__classic_upper_table()[c] : c;
 #else
     return (isascii(c) && iswlower_l(c, __cloc())) ? c-L'a'+L'A' : c;
@@ -748,7 +803,7 @@ ctype<wchar_t>::do_toupper(char_type* low, const char_type* high) const
     for (; low != high; ++low)
 #ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
         *low = isascii(*low) ? _DefaultRuneLocale.__mapupper[*low] : *low;
-#elif defined(__GLIBC__)
+#elif defined(__GLIBC__) || defined(EMSCRIPTEN)
         *low = isascii(*low) ? ctype<char>::__classic_upper_table()[*low]
                              : *low;
 #else
@@ -762,7 +817,7 @@ ctype<wchar_t>::do_tolower(char_type c) const
 {
 #ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
     return isascii(c) ? _DefaultRuneLocale.__maplower[c] : c;
-#elif defined(__GLIBC__)
+#elif defined(__GLIBC__) || defined(EMSCRIPTEN)
     return isascii(c) ? ctype<char>::__classic_lower_table()[c] : c;
 #else
     return (isascii(c) && isupper_l(c, __cloc())) ? c-L'A'+'a' : c;
@@ -775,7 +830,7 @@ ctype<wchar_t>::do_tolower(char_type* low, const char_type* high) const
     for (; low != high; ++low)
 #ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
         *low = isascii(*low) ? _DefaultRuneLocale.__maplower[*low] : *low;
-#elif defined(__GLIBC__)
+#elif defined(__GLIBC__) || defined(EMSCRIPTEN)
         *low = isascii(*low) ? ctype<char>::__classic_lower_table()[*low]
                              : *low;
 #else
@@ -842,8 +897,9 @@ ctype<char>::do_toupper(char_type c) const
 #ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
     return isascii(c) ?
       static_cast<char>(_DefaultRuneLocale.__mapupper[static_cast<ptrdiff_t>(c)]) : c;
-#elif defined(__GLIBC__)
-    return isascii(c) ? __classic_upper_table()[c] : c;
+#elif defined(__GLIBC__) || defined(EMSCRIPTEN)
+    return isascii(c) ? 
+      static_cast<char>(__classic_upper_table()[static_cast<size_t>(c)]) : c;
 #else
     return (isascii(c) && islower_l(c, __cloc())) ? c-'a'+'A' : c;
 #endif
@@ -856,8 +912,9 @@ ctype<char>::do_toupper(char_type* low, const char_type* high) const
 #ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
         *low = isascii(*low) ?
           static_cast<char>(_DefaultRuneLocale.__mapupper[static_cast<ptrdiff_t>(*low)]) : *low;
-#elif defined(__GLIBC__)
-        *low = isascii(*low) ? __classic_upper_table()[*low] : *low;
+#elif defined(__GLIBC__) || defined(EMSCRIPTEN)
+        *low = isascii(*low) ?
+          static_cast<char>(__classic_upper_table()[static_cast<size_t>(*low)]) : *low;
 #else
         *low = (isascii(*low) && islower_l(*low, __cloc())) ? *low-'a'+'A' : *low;
 #endif
@@ -870,8 +927,9 @@ ctype<char>::do_tolower(char_type c) const
 #ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
     return isascii(c) ?
       static_cast<char>(_DefaultRuneLocale.__maplower[static_cast<ptrdiff_t>(c)]) : c;
-#elif defined(__GLIBC__)
-    return isascii(c) ? __classic_lower_table()[c] : c;
+#elif defined(__GLIBC__) || defined(EMSCRIPTEN)
+    return isascii(c) ?
+      static_cast<char>(__classic_lower_table()[static_cast<size_t>(c)]) : c;
 #else
     return (isascii(c) && isupper_l(c, __cloc())) ? c-'A'+'a' : c;
 #endif
@@ -883,8 +941,8 @@ ctype<char>::do_tolower(char_type* low, const char_type* high) const
     for (; low != high; ++low)
 #ifdef _LIBCPP_HAS_DEFAULTRUNELOCALE
         *low = isascii(*low) ? static_cast<char>(_DefaultRuneLocale.__maplower[static_cast<ptrdiff_t>(*low)]) : *low;
-#elif defined(__GLIBC__)
-        *low = isascii(*low) ? __classic_lower_table()[*low] : *low;
+#elif defined(__GLIBC__) || defined(EMSCRIPTEN)
+        *low = isascii(*low) ? static_cast<char>(__classic_lower_table()[static_cast<size_t>(*low)]) : *low;
 #else
         *low = (isascii(*low) && isupper_l(*low, __cloc())) ? *low-'A'+'a' : *low;
 #endif
@@ -924,6 +982,12 @@ ctype<char>::do_narrow(const char_type* low, const char_type* high, char dfault,
     return low;
 }
 
+#ifdef EMSCRIPTEN
+extern "C" const unsigned short ** __ctype_b_loc();
+extern "C" const int ** __ctype_tolower_loc();
+extern "C" const int ** __ctype_toupper_loc();
+#endif
+
 const ctype<char>::mask*
 ctype<char>::classic_table()  _NOEXCEPT
 {
@@ -933,10 +997,12 @@ ctype<char>::classic_table()  _NOEXCEPT
     return __cloc()->__ctype_b;
 #elif __sun__
     return __ctype_mask;
-#elif _WIN32
+#elif defined(_WIN32)
     return _ctype+1; // internal ctype mask table defined in msvcrt.dll
 // This is assumed to be safe, which is a nonsense assumption because we're
 // going to end up dereferencing it later...
+#elif defined(EMSCRIPTEN)
+    return *__ctype_b_loc();
 #else
     // Platform not supported: abort so the person doing the port knows what to
     // fix
@@ -960,6 +1026,20 @@ ctype<char>::__classic_upper_table() _NOEXCEPT
 }
 #endif // __GLIBC__
 
+#if defined(EMSCRIPTEN)
+const int*
+ctype<char>::__classic_lower_table() _NOEXCEPT
+{
+    return *__ctype_tolower_loc();
+}
+
+const int*
+ctype<char>::__classic_upper_table() _NOEXCEPT
+{
+    return *__ctype_toupper_loc();
+}
+#endif // EMSCRIPTEN
+
 // template <> class ctype_byname<char>
 
 ctype_byname<char>::ctype_byname(const char* name, size_t refs)
@@ -992,28 +1072,28 @@ ctype_byname<char>::~ctype_byname()
 char
 ctype_byname<char>::do_toupper(char_type c) const
 {
-    return static_cast<char>(toupper_l(c, __l));
+    return static_cast<char>(toupper_l(static_cast<unsigned char>(c), __l));
 }
 
 const char*
 ctype_byname<char>::do_toupper(char_type* low, const char_type* high) const
 {
     for (; low != high; ++low)
-        *low = static_cast<char>(toupper_l(*low, __l));
+        *low = static_cast<char>(toupper_l(static_cast<unsigned char>(*low), __l));
     return low;
 }
 
 char
 ctype_byname<char>::do_tolower(char_type c) const
 {
-    return static_cast<char>(tolower_l(c, __l));
+    return static_cast<char>(tolower_l(static_cast<unsigned char>(c), __l));
 }
 
 const char*
 ctype_byname<char>::do_tolower(char_type* low, const char_type* high) const
 {
     for (; low != high; ++low)
-        *low = static_cast<char>(tolower_l(*low, __l));
+        *low = static_cast<char>(tolower_l(static_cast<unsigned char>(*low), __l));
     return low;
 }
 
@@ -1053,16 +1133,17 @@ ctype_byname<wchar_t>::do_is(mask m, char_type c) const
     return static_cast<bool>(iswctype_l(c, m, __l));
 #else
     bool result = false;
-    if (m & space) result |= (iswspace_l(c, __l) != 0);
-    if (m & print) result |= (iswprint_l(c, __l) != 0);
-    if (m & cntrl) result |= (iswcntrl_l(c, __l) != 0);
-    if (m & upper) result |= (iswupper_l(c, __l) != 0);
-    if (m & lower) result |= (iswlower_l(c, __l) != 0);
-    if (m & alpha) result |= (iswalpha_l(c, __l) != 0);
-    if (m & digit) result |= (iswdigit_l(c, __l) != 0);
-    if (m & punct) result |= (iswpunct_l(c, __l) != 0);
-    if (m & xdigit) result |= (iswxdigit_l(c, __l) != 0);
-    if (m & blank) result |= (iswblank_l(c, __l) != 0);
+    wint_t ch = static_cast<wint_t>(c);
+    if (m & space) result |= (iswspace_l(ch, __l) != 0);
+    if (m & print) result |= (iswprint_l(ch, __l) != 0);
+    if (m & cntrl) result |= (iswcntrl_l(ch, __l) != 0);
+    if (m & upper) result |= (iswupper_l(ch, __l) != 0);
+    if (m & lower) result |= (iswlower_l(ch, __l) != 0);
+    if (m & alpha) result |= (iswalpha_l(ch, __l) != 0);
+    if (m & digit) result |= (iswdigit_l(ch, __l) != 0);
+    if (m & punct) result |= (iswpunct_l(ch, __l) != 0);
+    if (m & xdigit) result |= (iswxdigit_l(ch, __l) != 0);
+    if (m & blank) result |= (iswblank_l(ch, __l) != 0);
     return result;
 #endif
 }
@@ -1077,23 +1158,24 @@ ctype_byname<wchar_t>::do_is(const char_type* low, const char_type* high, mask*
         else
         {
             *vec = 0;
-            if (iswspace_l(*low, __l))
+            wint_t ch = static_cast<wint_t>(*low);
+            if (iswspace_l(ch, __l))
                 *vec |= space;
-            if (iswprint_l(*low, __l))
+            if (iswprint_l(ch, __l))
                 *vec |= print;
-            if (iswcntrl_l(*low, __l))
+            if (iswcntrl_l(ch, __l))
                 *vec |= cntrl;
-            if (iswupper_l(*low, __l))
+            if (iswupper_l(ch, __l))
                 *vec |= upper;
-            if (iswlower_l(*low, __l))
+            if (iswlower_l(ch, __l))
                 *vec |= lower;
-            if (iswalpha_l(*low, __l))
+            if (iswalpha_l(ch, __l))
                 *vec |= alpha;
-            if (iswdigit_l(*low, __l))
+            if (iswdigit_l(ch, __l))
                 *vec |= digit;
-            if (iswpunct_l(*low, __l))
+            if (iswpunct_l(ch, __l))
                 *vec |= punct;
-            if (iswxdigit_l(*low, __l))
+            if (iswxdigit_l(ch, __l))
                 *vec |= xdigit;
         }
     }
@@ -1109,16 +1191,17 @@ ctype_byname<wchar_t>::do_scan_is(mask m, const char_type* low, const char_type*
         if (iswctype_l(*low, m, __l))
             break;
 #else
-        if (m & space && iswspace_l(*low, __l)) break;
-        if (m & print && iswprint_l(*low, __l)) break;
-        if (m & cntrl && iswcntrl_l(*low, __l)) break;
-        if (m & upper && iswupper_l(*low, __l)) break;
-        if (m & lower && iswlower_l(*low, __l)) break;
-        if (m & alpha && iswalpha_l(*low, __l)) break;
-        if (m & digit && iswdigit_l(*low, __l)) break;
-        if (m & punct && iswpunct_l(*low, __l)) break;
-        if (m & xdigit && iswxdigit_l(*low, __l)) break;
-        if (m & blank && iswblank_l(*low, __l)) break;
+        wint_t ch = static_cast<wint_t>(*low);
+        if (m & space && iswspace_l(ch, __l)) break;
+        if (m & print && iswprint_l(ch, __l)) break;
+        if (m & cntrl && iswcntrl_l(ch, __l)) break;
+        if (m & upper && iswupper_l(ch, __l)) break;
+        if (m & lower && iswlower_l(ch, __l)) break;
+        if (m & alpha && iswalpha_l(ch, __l)) break;
+        if (m & digit && iswdigit_l(ch, __l)) break;
+        if (m & punct && iswpunct_l(ch, __l)) break;
+        if (m & xdigit && iswxdigit_l(ch, __l)) break;
+        if (m & blank && iswblank_l(ch, __l)) break;
 #endif
     }
     return low;
@@ -1133,16 +1216,17 @@ ctype_byname<wchar_t>::do_scan_not(mask m, const char_type* low, const char_type
         if (!iswctype_l(*low, m, __l))
             break;
 #else
-        if (m & space && iswspace_l(*low, __l)) continue;
-        if (m & print && iswprint_l(*low, __l)) continue;
-        if (m & cntrl && iswcntrl_l(*low, __l)) continue;
-        if (m & upper && iswupper_l(*low, __l)) continue;
-        if (m & lower && iswlower_l(*low, __l)) continue;
-        if (m & alpha && iswalpha_l(*low, __l)) continue;
-        if (m & digit && iswdigit_l(*low, __l)) continue;
-        if (m & punct && iswpunct_l(*low, __l)) continue;
-        if (m & xdigit && iswxdigit_l(*low, __l)) continue;
-        if (m & blank && iswblank_l(*low, __l)) continue;
+        wint_t ch = static_cast<wint_t>(*low);
+        if (m & space && iswspace_l(ch, __l)) continue;
+        if (m & print && iswprint_l(ch, __l)) continue;
+        if (m & cntrl && iswcntrl_l(ch, __l)) continue;
+        if (m & upper && iswupper_l(ch, __l)) continue;
+        if (m & lower && iswlower_l(ch, __l)) continue;
+        if (m & alpha && iswalpha_l(ch, __l)) continue;
+        if (m & digit && iswdigit_l(ch, __l)) continue;
+        if (m & punct && iswpunct_l(ch, __l)) continue;
+        if (m & xdigit && iswxdigit_l(ch, __l)) continue;
+        if (m & blank && iswblank_l(ch, __l)) continue;
         break;
 #endif
     }
@@ -1207,7 +1291,7 @@ ctype_byname<wchar_t>::do_narrow(char_type c, char dfault) const
 #else
     int r = __wctob_l(c, __l);
 #endif
-    return r != WEOF ? static_cast<char>(r) : dfault;
+    return r != static_cast<int>(WEOF) ? static_cast<char>(r) : dfault;
 }
 
 const wchar_t*
@@ -1220,7 +1304,7 @@ ctype_byname<wchar_t>::do_narrow(const char_type* low, const char_type* high, ch
 #else
         int r = __wctob_l(*low, __l);
 #endif
-        *dest = r != WEOF ? static_cast<char>(r) : dfault;
+        *dest = r != static_cast<int>(WEOF) ? static_cast<char>(r) : dfault;
     }
     return low;
 }
@@ -1327,7 +1411,7 @@ codecvt<wchar_t, char, mbstate_t>::do_out(state_type& st,
     to_nxt = to;
     for (frm_nxt = frm; frm != frm_end && to != to_end; frm = frm_nxt, to = to_nxt)
     {
-        // save state in case needed to reover to_nxt on error
+        // save state in case it is needed to recover to_nxt on error
         mbstate_t save_state = st;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
         size_t n = wcsnrtombs_l(to, &frm_nxt, static_cast<size_t>(fend-frm),
@@ -1396,7 +1480,7 @@ codecvt<wchar_t, char, mbstate_t>::do_in(state_type& st,
     to_nxt = to;
     for (frm_nxt = frm; frm != frm_end && to != to_end; frm = frm_nxt, to = to_nxt)
     {
-        // save state in case needed to reover to_nxt on error
+        // save state in case it is needed to recover to_nxt on error
         mbstate_t save_state = st;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
         size_t n = mbsnrtowcs_l(to, &frm_nxt, static_cast<size_t>(fend-frm),
@@ -1542,9 +1626,9 @@ int
 codecvt<wchar_t, char, mbstate_t>::do_max_length() const  _NOEXCEPT
 {
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-    return __l == 0 ? 1 : MB_CUR_MAX_L(__l);
+    return __l == 0 ? 1 : static_cast<int>(  MB_CUR_MAX_L(__l));
 #else
-    return __l == 0 ? 1 : __mb_cur_max_l(__l);
+    return __l == 0 ? 1 : static_cast<int>(__mb_cur_max_l(__l));
 #endif
 }
 
@@ -2619,7 +2703,6 @@ utf16be_to_ucs4_length(const uint8_t* frm, const uint8_t* frm_end,
                        codecvt_mode mode = codecvt_mode(0))
 {
     const uint8_t* frm_nxt = frm;
-    frm_nxt = frm;
     if (mode & consume_header)
     {
         if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFE && frm_nxt[1] == 0xFF)
@@ -2752,7 +2835,6 @@ utf16le_to_ucs4_length(const uint8_t* frm, const uint8_t* frm_end,
                        codecvt_mode mode = codecvt_mode(0))
 {
     const uint8_t* frm_nxt = frm;
-    frm_nxt = frm;
     if (mode & consume_header)
     {
         if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFF && frm_nxt[1] == 0xFE)
@@ -2847,7 +2929,6 @@ utf16be_to_ucs2_length(const uint8_t* frm, const uint8_t* frm_end,
                        codecvt_mode mode = codecvt_mode(0))
 {
     const uint8_t* frm_nxt = frm;
-    frm_nxt = frm;
     if (mode & consume_header)
     {
         if (frm_end-frm_nxt >= 2 && frm_nxt[0] == 0xFE && frm_nxt[1] == 0xFF)
@@ -4559,6 +4640,7 @@ __time_get::~__time_get()
 }
 
 #pragma clang diagnostic ignored "-Wmissing-field-initializers"
+#pragma GCC   diagnostic ignored "-Wmissing-field-initializers"
 
 template <>
 string
@@ -4578,7 +4660,7 @@ __time_get_storage<char>::__analyze(char fmt, const ctype<char>& ct)
     char f[3] = {0};
     f[0] = '%';
     f[1] = fmt;
-    size_t n = strftime_l(buf, 100, f, &t, __loc_);
+    size_t n = strftime_l(buf, countof(buf), f, &t, __loc_);
     char* bb = buf;
     char* be = buf + n;
     string result;
@@ -4724,15 +4806,15 @@ __time_get_storage<wchar_t>::__analyze(char fmt, const ctype<wchar_t>& ct)
     char f[3] = {0};
     f[0] = '%';
     f[1] = fmt;
-    strftime_l(buf, 100, f, &t, __loc_);
+    strftime_l(buf, countof(buf), f, &t, __loc_);
     wchar_t wbuf[100];
     wchar_t* wbb = wbuf;
     mbstate_t mb = {0};
     const char* bb = buf;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-    size_t j = mbsrtowcs_l( wbb, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, __loc_);
+    size_t j = mbsrtowcs_l( wbb, &bb, countof(wbuf), &mb, __loc_);
 #else
-    size_t j = __mbsrtowcs_l( wbb, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, __loc_);
+    size_t j = __mbsrtowcs_l( wbb, &bb, countof(wbuf), &mb, __loc_);
 #endif
     if (j == size_t(-1))
         __throw_runtime_error("locale not supported");
@@ -4870,26 +4952,26 @@ __time_get_storage<char>::init(const ctype<char>& ct)
     for (int i = 0; i < 7; ++i)
     {
         t.tm_wday = i;
-        strftime_l(buf, 100, "%A", &t, __loc_);
+        strftime_l(buf, countof(buf), "%A", &t, __loc_);
         __weeks_[i] = buf;
-        strftime_l(buf, 100, "%a", &t, __loc_);
+        strftime_l(buf, countof(buf), "%a", &t, __loc_);
         __weeks_[i+7] = buf;
     }
     // __months_
     for (int i = 0; i < 12; ++i)
     {
         t.tm_mon = i;
-        strftime_l(buf, 100, "%B", &t, __loc_);
+        strftime_l(buf, countof(buf), "%B", &t, __loc_);
         __months_[i] = buf;
-        strftime_l(buf, 100, "%b", &t, __loc_);
+        strftime_l(buf, countof(buf), "%b", &t, __loc_);
         __months_[i+12] = buf;
     }
     // __am_pm_
     t.tm_hour = 1;
-    strftime_l(buf, 100, "%p", &t, __loc_);
+    strftime_l(buf, countof(buf), "%p", &t, __loc_);
     __am_pm_[0] = buf;
     t.tm_hour = 13;
-    strftime_l(buf, 100, "%p", &t, __loc_);
+    strftime_l(buf, countof(buf), "%p", &t, __loc_);
     __am_pm_[1] = buf;
     __c_ = __analyze('c', ct);
     __r_ = __analyze('r', ct);
@@ -4903,7 +4985,6 @@ __time_get_storage<wchar_t>::init(const ctype<wchar_t>& ct)
 {
     tm t = {0};
     char buf[100];
-    size_t be;
     wchar_t wbuf[100];
     wchar_t* wbe;
     mbstate_t mb = {0};
@@ -4911,25 +4992,25 @@ __time_get_storage<wchar_t>::init(const ctype<wchar_t>& ct)
     for (int i = 0; i < 7; ++i)
     {
         t.tm_wday = i;
-        be = strftime_l(buf, 100, "%A", &t, __loc_);
+        strftime_l(buf, countof(buf), "%A", &t, __loc_);
         mb = mbstate_t();
         const char* bb = buf;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-        size_t j = mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, __loc_);
+        size_t j = mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
 #else
-        size_t j = __mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, __loc_);
+        size_t j = __mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
 #endif
         if (j == size_t(-1))
             __throw_runtime_error("locale not supported");
         wbe = wbuf + j;
         __weeks_[i].assign(wbuf, wbe);
-        be = strftime_l(buf, 100, "%a", &t, __loc_);
+        strftime_l(buf, countof(buf), "%a", &t, __loc_);
         mb = mbstate_t();
         bb = buf;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-        j = mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, __loc_);
+        j = mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
 #else
-        j = __mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, __loc_);
+        j = __mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
 #endif
         if (j == size_t(-1))
             __throw_runtime_error("locale not supported");
@@ -4940,25 +5021,25 @@ __time_get_storage<wchar_t>::init(const ctype<wchar_t>& ct)
     for (int i = 0; i < 12; ++i)
     {
         t.tm_mon = i;
-        be = strftime_l(buf, 100, "%B", &t, __loc_);
+        strftime_l(buf, countof(buf), "%B", &t, __loc_);
         mb = mbstate_t();
         const char* bb = buf;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-        size_t j = mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, __loc_);
+        size_t j = mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
 #else
-        size_t j = __mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, __loc_);
+        size_t j = __mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
 #endif
         if (j == size_t(-1))
             __throw_runtime_error("locale not supported");
         wbe = wbuf + j;
         __months_[i].assign(wbuf, wbe);
-        be = strftime_l(buf, 100, "%b", &t, __loc_);
+        strftime_l(buf, countof(buf), "%b", &t, __loc_);
         mb = mbstate_t();
         bb = buf;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-        j = mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, __loc_);
+        j = mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
 #else
-        j = __mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, __loc_);
+        j = __mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
 #endif
         if (j == size_t(-1))
             __throw_runtime_error("locale not supported");
@@ -4967,26 +5048,26 @@ __time_get_storage<wchar_t>::init(const ctype<wchar_t>& ct)
     }
     // __am_pm_
     t.tm_hour = 1;
-    be = strftime_l(buf, 100, "%p", &t, __loc_);
+    strftime_l(buf, countof(buf), "%p", &t, __loc_);
     mb = mbstate_t();
     const char* bb = buf;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-    size_t j = mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, __loc_);
+    size_t j = mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
 #else
-    size_t j = __mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, __loc_);
+    size_t j = __mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
 #endif
     if (j == size_t(-1))
         __throw_runtime_error("locale not supported");
     wbe = wbuf + j;
     __am_pm_[0].assign(wbuf, wbe);
     t.tm_hour = 13;
-    be = strftime_l(buf, 100, "%p", &t, __loc_);
+    strftime_l(buf, countof(buf), "%p", &t, __loc_);
     mb = mbstate_t();
     bb = buf;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-    j = mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, __loc_);
+    j = mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
 #else
-    j = __mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, __loc_);
+    j = __mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, __loc_);
 #endif
     if (j == size_t(-1))
         __throw_runtime_error("locale not supported");
@@ -5249,7 +5330,7 @@ __time_put::__do_put(char* __nb, char*& __ne, const tm* __tm,
     char fmt[] = {'%', __fmt, __mod, 0};
     if (__mod != 0)
         swap(fmt[1], fmt[2]);
-    size_t n = strftime_l(__nb, static_cast<size_t>(__ne-__nb), fmt, __tm, __loc_);
+    size_t n = strftime_l(__nb, countof(__nb, __ne), fmt, __tm, __loc_);
     __ne = __nb + n;
 }
 
@@ -5263,9 +5344,9 @@ __time_put::__do_put(wchar_t* __wb, wchar_t*& __we, const tm* __tm,
     mbstate_t mb = {0};
     const char* __nb = __nar;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-    size_t j = mbsrtowcs_l(__wb, &__nb, 100, &mb, __loc_);
+    size_t j = mbsrtowcs_l(__wb, &__nb, countof(__wb, __we), &mb, __loc_);
 #else
-    size_t j = __mbsrtowcs_l(__wb, &__nb, 100, &mb, __loc_);
+    size_t j = __mbsrtowcs_l(__wb, &__nb, countof(__wb, __we), &mb, __loc_);
 #endif
     if (j == size_t(-1))
         __throw_runtime_error("locale not supported");
@@ -5724,7 +5805,7 @@ moneypunct_byname<char, true>::init(const char* nm)
         __frac_digits_ = lc->int_frac_digits;
     else
         __frac_digits_ = base::do_frac_digits();
-#if _WIN32
+#ifdef _WIN32
     if (lc->p_sign_posn == 0)
 #else // _WIN32
     if (lc->int_p_sign_posn == 0)
@@ -5732,7 +5813,7 @@ moneypunct_byname<char, true>::init(const char* nm)
         __positive_sign_ = "()";
     else
         __positive_sign_ = lc->positive_sign;
-#if _WIN32
+#ifdef _WIN32
     if(lc->n_sign_posn == 0)
 #else // _WIN32
     if (lc->int_n_sign_posn == 0)
@@ -5744,7 +5825,7 @@ moneypunct_byname<char, true>::init(const char* nm)
     // the same places in curr_symbol since there's no way to
     // represent anything else.
     string_type __dummy_curr_symbol = __curr_symbol_;
-#if _WIN32
+#ifdef _WIN32
     __init_pat(__pos_format_, __dummy_curr_symbol, true,
                lc->p_cs_precedes, lc->p_sep_by_space, lc->p_sign_posn, ' ');
     __init_pat(__neg_format_, __curr_symbol_, true,
@@ -5788,9 +5869,9 @@ moneypunct_byname<wchar_t, false>::init(const char* nm)
     mbstate_t mb = {0};
     const char* bb = lc->currency_symbol;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-    size_t j = mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, loc.get());
+    size_t j = mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
 #else
-    size_t j = __mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, loc.get());
+    size_t j = __mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
 #endif
     if (j == size_t(-1))
         __throw_runtime_error("locale not supported");
@@ -5807,9 +5888,9 @@ moneypunct_byname<wchar_t, false>::init(const char* nm)
         mb = mbstate_t();
         bb = lc->positive_sign;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-        j = mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, loc.get());
+        j = mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
 #else
-        j = __mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, loc.get());
+        j = __mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
 #endif
         if (j == size_t(-1))
             __throw_runtime_error("locale not supported");
@@ -5823,9 +5904,9 @@ moneypunct_byname<wchar_t, false>::init(const char* nm)
         mb = mbstate_t();
         bb = lc->negative_sign;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-        j = mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, loc.get());
+        j = mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
 #else
-        j = __mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, loc.get());
+        j = __mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
 #endif
         if (j == size_t(-1))
             __throw_runtime_error("locale not supported");
@@ -5871,9 +5952,9 @@ moneypunct_byname<wchar_t, true>::init(const char* nm)
     mbstate_t mb = {0};
     const char* bb = lc->int_curr_symbol;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-    size_t j = mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, loc.get());
+    size_t j = mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
 #else
-    size_t j = __mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, loc.get());
+    size_t j = __mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
 #endif
     if (j == size_t(-1))
         __throw_runtime_error("locale not supported");
@@ -5883,7 +5964,7 @@ moneypunct_byname<wchar_t, true>::init(const char* nm)
         __frac_digits_ = lc->int_frac_digits;
     else
         __frac_digits_ = base::do_frac_digits();
-#if _WIN32
+#ifdef _WIN32
     if (lc->p_sign_posn == 0)
 #else // _WIN32
     if (lc->int_p_sign_posn == 0)
@@ -5894,16 +5975,16 @@ moneypunct_byname<wchar_t, true>::init(const char* nm)
         mb = mbstate_t();
         bb = lc->positive_sign;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-        j = mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, loc.get());
+        j = mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
 #else
-        j = __mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, loc.get());
+        j = __mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
 #endif
         if (j == size_t(-1))
             __throw_runtime_error("locale not supported");
         wbe = wbuf + j;
         __positive_sign_.assign(wbuf, wbe);
     }
-#if _WIN32
+#ifdef _WIN32
     if (lc->n_sign_posn == 0)
 #else // _WIN32
     if (lc->int_n_sign_posn == 0)
@@ -5914,9 +5995,9 @@ moneypunct_byname<wchar_t, true>::init(const char* nm)
         mb = mbstate_t();
         bb = lc->negative_sign;
 #ifdef _LIBCPP_LOCALE__L_EXTENSIONS
-        j = mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, loc.get());
+        j = mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
 #else
-        j = __mbsrtowcs_l(wbuf, &bb, sizeof(wbuf)/sizeof(wbuf[0]), &mb, loc.get());
+        j = __mbsrtowcs_l(wbuf, &bb, countof(wbuf), &mb, loc.get());
 #endif
         if (j == size_t(-1))
             __throw_runtime_error("locale not supported");
@@ -5927,7 +6008,7 @@ moneypunct_byname<wchar_t, true>::init(const char* nm)
     // the same places in curr_symbol since there's no way to
     // represent anything else.
     string_type __dummy_curr_symbol = __curr_symbol_;
-#if _WIN32
+#ifdef _WIN32
     __init_pat(__pos_format_, __dummy_curr_symbol, true,
                lc->p_cs_precedes, lc->p_sep_by_space, lc->p_sign_posn, L' ');
     __init_pat(__neg_format_, __curr_symbol_, true,
@@ -5948,6 +6029,8 @@ void __throw_runtime_error(const char* msg)
 {
 #ifndef _LIBCPP_NO_EXCEPTIONS
     throw runtime_error(msg);
+#else
+    (void)msg;
 #endif
 }
 

src/memory.cpp

@@ -122,7 +122,15 @@ __shared_weak_count::__get_deleter(const type_info&) const _NOEXCEPT
 #if __has_feature(cxx_atomic)
 
 static const std::size_t __sp_mut_count = 16;
-static mutex mut_back[__sp_mut_count];
+static pthread_mutex_t mut_back_imp[__sp_mut_count] =
+{
+    PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER,
+    PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER,
+    PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER,
+    PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER, PTHREAD_MUTEX_INITIALIZER
+};
+
+static mutex* mut_back = reinterpret_cast<std::mutex*>(mut_back_imp);
 
 _LIBCPP_CONSTEXPR __sp_mut::__sp_mut(void* p) _NOEXCEPT
    : __lx(p)

src/new.cpp

@@ -15,7 +15,7 @@
 #define __has_include(inc) 0
 #endif
 
-#if __APPLE__
+#ifdef __APPLE__
     #include <cxxabi.h>
 
     #ifndef _LIBCPPABI_VERSION

src/stdexcept.cpp

@@ -20,7 +20,7 @@
 #define __has_include(inc) 0
 #endif
 
-#if __APPLE__
+#ifdef __APPLE__
 #include <cxxabi.h>
 #elif defined(LIBCXXRT) || __has_include(<cxxabi.h>)
 #include <cxxabi.h>

src/string.cpp

@@ -11,7 +11,7 @@
 #include "cstdlib"
 #include "cwchar"
 #include "cerrno"
-#if _WIN32
+#ifdef _WIN32
 #include "support/win32/support.h"
 #endif // _WIN32
 
@@ -31,17 +31,17 @@ stoi(const string& str, size_t* idx, int base)
 {
     char* ptr;
     const char* const p = str.c_str();
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
+    errno = 0;
     long r = strtol(p, &ptr, base);
-    if (r < numeric_limits<int>::min() || numeric_limits<int>::max() < r)
-        ptr = const_cast<char*>(p);
-    if (ptr == p)
-    {
+    swap(errno, errno_save);
 #ifndef _LIBCPP_NO_EXCEPTIONS
-        if (r == 0)
-            throw invalid_argument("stoi: no conversion");
+    if (errno_save == ERANGE || r < numeric_limits<int>::min() ||
+                                numeric_limits<int>::max() < r)
         throw out_of_range("stoi: out of range");
+    if (ptr == p)
+        throw invalid_argument("stoi: no conversion");
 #endif  // _LIBCPP_NO_EXCEPTIONS
-    }
     if (idx)
         *idx = static_cast<size_t>(ptr - p);
     return static_cast<int>(r);
@@ -52,17 +52,17 @@ stoi(const wstring& str, size_t* idx, int base)
 {
     wchar_t* ptr;
     const wchar_t* const p = str.c_str();
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
+    errno = 0;
     long r = wcstol(p, &ptr, base);
-    if (r < numeric_limits<int>::min() || numeric_limits<int>::max() < r)
-        ptr = const_cast<wchar_t*>(p);
-    if (ptr == p)
-    {
+    swap(errno, errno_save);
 #ifndef _LIBCPP_NO_EXCEPTIONS
-        if (r == 0)
-            throw invalid_argument("stoi: no conversion");
+    if (errno_save == ERANGE || r < numeric_limits<int>::min() ||
+                                numeric_limits<int>::max() < r)
         throw out_of_range("stoi: out of range");
+    if (ptr == p)
+        throw invalid_argument("stoi: no conversion");
 #endif  // _LIBCPP_NO_EXCEPTIONS
-    }
     if (idx)
         *idx = static_cast<size_t>(ptr - p);
     return static_cast<int>(r);
@@ -73,15 +73,16 @@ stol(const string& str, size_t* idx, int base)
 {
     char* ptr;
     const char* const p = str.c_str();
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
+    errno = 0;
     long r = strtol(p, &ptr, base);
-    if (ptr == p)
-    {
+    swap(errno, errno_save);
 #ifndef _LIBCPP_NO_EXCEPTIONS
-        if (r == 0)
-            throw invalid_argument("stol: no conversion");
+    if (errno_save == ERANGE)
         throw out_of_range("stol: out of range");
+    if (ptr == p)
+        throw invalid_argument("stol: no conversion");
 #endif  // _LIBCPP_NO_EXCEPTIONS
-    }
     if (idx)
         *idx = static_cast<size_t>(ptr - p);
     return r;
@@ -92,15 +93,16 @@ stol(const wstring& str, size_t* idx, int base)
 {
     wchar_t* ptr;
     const wchar_t* const p = str.c_str();
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
+    errno = 0;
     long r = wcstol(p, &ptr, base);
-    if (ptr == p)
-    {
+    swap(errno, errno_save);
 #ifndef _LIBCPP_NO_EXCEPTIONS
-        if (r == 0)
-            throw invalid_argument("stol: no conversion");
+    if (errno_save == ERANGE)
         throw out_of_range("stol: out of range");
+    if (ptr == p)
+        throw invalid_argument("stol: no conversion");
 #endif  // _LIBCPP_NO_EXCEPTIONS
-    }
     if (idx)
         *idx = static_cast<size_t>(ptr - p);
     return r;
@@ -111,15 +113,16 @@ stoul(const string& str, size_t* idx, int base)
 {
     char* ptr;
     const char* const p = str.c_str();
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
+    errno = 0;
     unsigned long r = strtoul(p, &ptr, base);
-    if (ptr == p)
-    {
+    swap(errno, errno_save);
 #ifndef _LIBCPP_NO_EXCEPTIONS
-        if (r == 0)
-            throw invalid_argument("stoul: no conversion");
+    if (errno_save == ERANGE)
         throw out_of_range("stoul: out of range");
+    if (ptr == p)
+        throw invalid_argument("stoul: no conversion");
 #endif  // _LIBCPP_NO_EXCEPTIONS
-    }
     if (idx)
         *idx = static_cast<size_t>(ptr - p);
     return r;
@@ -130,15 +133,16 @@ stoul(const wstring& str, size_t* idx, int base)
 {
     wchar_t* ptr;
     const wchar_t* const p = str.c_str();
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
+    errno = 0;
     unsigned long r = wcstoul(p, &ptr, base);
-    if (ptr == p)
-    {
+    swap(errno, errno_save);
 #ifndef _LIBCPP_NO_EXCEPTIONS
-        if (r == 0)
-            throw invalid_argument("stoul: no conversion");
+    if (errno_save == ERANGE)
         throw out_of_range("stoul: out of range");
+    if (ptr == p)
+        throw invalid_argument("stoul: no conversion");
 #endif  // _LIBCPP_NO_EXCEPTIONS
-    }
     if (idx)
         *idx = static_cast<size_t>(ptr - p);
     return r;
@@ -149,15 +153,16 @@ stoll(const string& str, size_t* idx, int base)
 {
     char* ptr;
     const char* const p = str.c_str();
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
+    errno = 0;
     long long r = strtoll(p, &ptr, base);
-    if (ptr == p)
-    {
+    swap(errno, errno_save);
 #ifndef _LIBCPP_NO_EXCEPTIONS
-        if (r == 0)
-            throw invalid_argument("stoll: no conversion");
+    if (errno_save == ERANGE)
         throw out_of_range("stoll: out of range");
+    if (ptr == p)
+        throw invalid_argument("stoll: no conversion");
 #endif  // _LIBCPP_NO_EXCEPTIONS
-    }
     if (idx)
         *idx = static_cast<size_t>(ptr - p);
     return r;
@@ -168,15 +173,16 @@ stoll(const wstring& str, size_t* idx, int base)
 {
     wchar_t* ptr;
     const wchar_t* const p = str.c_str();
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
+    errno = 0;
     long long r = wcstoll(p, &ptr, base);
-    if (ptr == p)
-    {
+    swap(errno, errno_save);
 #ifndef _LIBCPP_NO_EXCEPTIONS
-        if (r == 0)
-            throw invalid_argument("stoll: no conversion");
+    if (errno_save == ERANGE)
         throw out_of_range("stoll: out of range");
+    if (ptr == p)
+        throw invalid_argument("stoll: no conversion");
 #endif  // _LIBCPP_NO_EXCEPTIONS
-    }
     if (idx)
         *idx = static_cast<size_t>(ptr - p);
     return r;
@@ -187,15 +193,16 @@ stoull(const string& str, size_t* idx, int base)
 {
     char* ptr;
     const char* const p = str.c_str();
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
+    errno = 0;
     unsigned long long r = strtoull(p, &ptr, base);
-    if (ptr == p)
-    {
+    swap(errno, errno_save);
 #ifndef _LIBCPP_NO_EXCEPTIONS
-        if (r == 0)
-            throw invalid_argument("stoull: no conversion");
+    if (errno_save == ERANGE)
         throw out_of_range("stoull: out of range");
+    if (ptr == p)
+        throw invalid_argument("stoull: no conversion");
 #endif  // _LIBCPP_NO_EXCEPTIONS
-    }
     if (idx)
         *idx = static_cast<size_t>(ptr - p);
     return r;
@@ -206,15 +213,16 @@ stoull(const wstring& str, size_t* idx, int base)
 {
     wchar_t* ptr;
     const wchar_t* const p = str.c_str();
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
+    errno = 0;
     unsigned long long r = wcstoull(p, &ptr, base);
-    if (ptr == p)
-    {
+    swap(errno, errno_save);
 #ifndef _LIBCPP_NO_EXCEPTIONS
-        if (r == 0)
-            throw invalid_argument("stoull: no conversion");
+    if (errno_save == ERANGE)
         throw out_of_range("stoull: out of range");
+    if (ptr == p)
+        throw invalid_argument("stoull: no conversion");
 #endif  // _LIBCPP_NO_EXCEPTIONS
-    }
     if (idx)
         *idx = static_cast<size_t>(ptr - p);
     return r;
@@ -225,9 +233,9 @@ stof(const string& str, size_t* idx)
 {
     char* ptr;
     const char* const p = str.c_str();
-    int errno_save = errno;
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
     errno = 0;
-    double r = strtod(p, &ptr);
+    float r = strtof(p, &ptr);
     swap(errno, errno_save);
 #ifndef _LIBCPP_NO_EXCEPTIONS
     if (errno_save == ERANGE)
@@ -237,7 +245,7 @@ stof(const string& str, size_t* idx)
 #endif  // _LIBCPP_NO_EXCEPTIONS
     if (idx)
         *idx = static_cast<size_t>(ptr - p);
-    return static_cast<float>(r);
+    return r;
 }
 
 float
@@ -245,9 +253,9 @@ stof(const wstring& str, size_t* idx)
 {
     wchar_t* ptr;
     const wchar_t* const p = str.c_str();
-    int errno_save = errno;
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
     errno = 0;
-    double r = wcstod(p, &ptr);
+    float r = wcstof(p, &ptr);
     swap(errno, errno_save);
 #ifndef _LIBCPP_NO_EXCEPTIONS
     if (errno_save == ERANGE)
@@ -257,7 +265,7 @@ stof(const wstring& str, size_t* idx)
 #endif  // _LIBCPP_NO_EXCEPTIONS
     if (idx)
         *idx = static_cast<size_t>(ptr - p);
-    return static_cast<float>(r);
+    return r;
 }
 
 double
@@ -265,7 +273,7 @@ stod(const string& str, size_t* idx)
 {
     char* ptr;
     const char* const p = str.c_str();
-    int errno_save = errno;
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
     errno = 0;
     double r = strtod(p, &ptr);
     swap(errno, errno_save);
@@ -285,7 +293,7 @@ stod(const wstring& str, size_t* idx)
 {
     wchar_t* ptr;
     const wchar_t* const p = str.c_str();
-    int errno_save = errno;
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
     errno = 0;
     double r = wcstod(p, &ptr);
     swap(errno, errno_save);
@@ -305,7 +313,7 @@ stold(const string& str, size_t* idx)
 {
     char* ptr;
     const char* const p = str.c_str();
-    int errno_save = errno;
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
     errno = 0;
     long double r = strtold(p, &ptr);
     swap(errno, errno_save);
@@ -325,7 +333,7 @@ stold(const wstring& str, size_t* idx)
 {
     wchar_t* ptr;
     const wchar_t* const p = str.c_str();
-    int errno_save = errno;
+    typename remove_reference<decltype(errno)>::type errno_save = errno;
     errno = 0;
     long double r = wcstold(p, &ptr);
     swap(errno, errno_save);

src/strstream.cpp

@@ -158,6 +158,8 @@ strstreambuf::overflow(int_type __c)
             return int_type(EOF);
         streamsize old_size = (epptr() ? epptr() : egptr()) - eback();
         streamsize new_size = max<streamsize>(__alsize_, 2*old_size);
+        if (new_size == 0)
+            new_size = __default_alsize;
         char* buf = nullptr;
         if (__palloc_)
             buf = static_cast<char*>(__palloc_(static_cast<size_t>(new_size)));

src/support/win32/locale_win32.cpp

@@ -20,6 +20,8 @@ locale_t newlocale( int mask, const char * locale, locale_t /*base*/ )
 locale_t uselocale( locale_t newloc )
 {
     locale_t old_locale = _get_current_locale();
+    if ( newloc == NULL )
+        return old_locale;
     // uselocale sets the thread's locale by definition, so unconditionally use thread-local locale
     _configthreadlocale( _ENABLE_PER_THREAD_LOCALE );
     // uselocale sets all categories

src/support/win32/support.cpp

@@ -23,48 +23,130 @@ int asprintf(char **sptr, const char *__restrict fmt, ...)
     va_end(ap);
     return result;
 }
+
+// Like sprintf, but when return value >= 0 it returns a pointer to a malloc'd string in *sptr.
+// If return >= 0, use free to delete *sptr.
 int vasprintf( char **sptr, const char *__restrict fmt, va_list ap )
 {
     *sptr = NULL;
-    int count = vsnprintf( *sptr, 0, fmt, ap );
-    if( (count >= 0) && ((*sptr = (char*)malloc(count+1)) != NULL) )
-    {
-        vsprintf( *sptr, fmt, ap );
-        sptr[count] = '\0';
+    int count = vsnprintf( NULL, 0, fmt, ap ); // Query the buffer size required.
+    if( count >= 0 ) {
+        char* p = static_cast<char*>(malloc(count+1)); // Allocate memory for it and the terminator.
+        if ( p == NULL )
+            return -1;
+        if ( vsnprintf( p, count+1, fmt, ap ) == count ) // We should have used exactly what was required.
+            *sptr = p;
+        else { // Otherwise something is wrong, likely a bug in vsnprintf. If so free the memory and report the error.
+            free(p);
+            return -1;
+        }
     }
 
     return count;
 }
 
-// FIXME: use wcrtomb and avoid copy
-// use mbsrtowcs which is available, first copy first nwc elements of src
+// Returns >= 0: the number of wide characters found in the multi byte sequence src (of src_size_bytes),
+// that fit in the buffer dst (of max_dest_chars elements size). The count returned excludes the null terminator.
+// When dst is NULL, no characters are copied and no "out" parameters are updated.
+// Returns (size_t) -1: an incomplete sequence encountered.
+// Leaves *src pointing the next character to convert or NULL if a null character was converted from *src.
 size_t mbsnrtowcs( wchar_t *__restrict dst, const char **__restrict src,
-                   size_t nmc, size_t len, mbstate_t *__restrict ps )
+                   size_t src_size_bytes, size_t max_dest_chars, mbstate_t *__restrict ps )
 {
-    char* local_src = new char[nmc+1];
-    char* nmcsrc = local_src;
-    strncpy( nmcsrc, *src, nmc );
-    nmcsrc[nmc] = '\0';
-    const size_t result = mbsrtowcs( dst, const_cast<const char **>(&nmcsrc), len, ps );
-    // propagate error
-    if( nmcsrc == NULL )
-        *src = NULL;
-    delete[] local_src;
-    return result;
+    const size_t terminated_sequence = static_cast<size_t>(0);
+    //const size_t invalid_sequence = static_cast<size_t>(-1);
+    const size_t incomplete_sequence = static_cast< size_t>(-2);
+
+    size_t dest_converted = 0;
+    size_t source_converted = 0;
+    size_t source_remaining = src_size_bytes;
+    size_t result = 0;
+    bool have_result = false;
+
+    while ( source_remaining ) {
+        if ( dst && dest_converted >= max_dest_chars )
+            break;
+        // Converts one multi byte character.
+        // if result > 0, it's the size in bytes of that character.
+        // othewise if result is zero it indicates the null character has been found.
+        // otherwise it's an error and errno may be set.
+        size_t char_size = mbrtowc( dst ? dst + dest_converted : NULL, *src + source_converted, source_remaining, ps );
+        // Don't do anything to change errno from here on.
+        if ( char_size > 0 ) {
+            source_remaining -= char_size;
+            source_converted += char_size;
+            ++dest_converted;
+            continue;
+        }
+        result = char_size;
+        have_result = true;
+        break;
+    }
+    if ( dst ) {
+        if ( have_result && result == terminated_sequence )
+            *src = NULL;
+        else
+            *src += source_converted;
+    }
+    if ( have_result && result != terminated_sequence && result != incomplete_sequence )
+        return static_cast<size_t>(-1);
+
+    return dest_converted;
 }
-// FIXME: use wcrtomb and avoid copy
-// use wcsrtombs which is available, first copy first nwc elements of src
+
+// Converts max_source_chars from the wide character buffer pointer to by *src,
+// into the multi byte character sequence buffer stored at dst which must be dst_size_bytes bytes in size.
+// Returns >= 0: the number of bytes in the sequence sequence converted frome *src, excluding the null terminator.
+// Returns size_t(-1) if an error occurs, also sets errno.
+// If dst is NULL dst_size_bytes is ignored and no bytes are copied to dst and no "out" parameters are updated.
 size_t wcsnrtombs( char *__restrict dst, const wchar_t **__restrict src,
-                   size_t nwc, size_t len, mbstate_t *__restrict ps )
+                   size_t max_source_chars, size_t dst_size_bytes, mbstate_t *__restrict ps )
 {
-    wchar_t* local_src = new wchar_t[nwc];
-    wchar_t* nwcsrc = local_src;
-    wcsncpy(nwcsrc, *src, nwc);
-    nwcsrc[nwc] = '\0';
-    const size_t result = wcsrtombs( dst, const_cast<const wchar_t **>(&nwcsrc), len, ps );
-    // propogate error
-    if( nwcsrc == NULL )
-        *src = NULL;
-    delete[] nwcsrc;
-    return result;
+    //const size_t invalid_sequence = static_cast<size_t>(-1);
+
+    size_t source_converted = 0;
+    size_t dest_converted = 0;
+    size_t dest_remaining = dst_size_bytes;
+    size_t char_size = 0;
+    const errno_t no_error = ( errno_t) 0;
+    errno_t result = ( errno_t ) 0;
+    bool have_result = false;
+    bool terminator_found = false;
+
+    while ( source_converted != max_source_chars ) {
+        if ( ! dest_remaining )
+            break;
+        wchar_t c = (*src)[source_converted];
+        if ( dst )
+            result = wcrtomb_s( &char_size, dst + dest_converted, dest_remaining, c, ps);
+        else
+            result = wcrtomb_s( &char_size, NULL, 0, c, ps); 
+        // If result is zero there is no error and char_size contains the size of the multi-byte-sequence converted.
+        // Otherwise result indicates an errno type error.
+        if ( result == no_error ) {
+            if ( c == L'\0' ) {
+                terminator_found = true;
+                break;
+            }
+            ++source_converted;
+            if ( dst )
+                dest_remaining -= char_size;
+            dest_converted += char_size;
+            continue;
+        }
+        have_result = true;
+        break;
+    }
+    if ( dst ) {
+        if ( terminator_found )
+            *src = NULL;
+        else
+            *src = *src + source_converted;
+    }
+    if ( have_result && result != no_error ) {
+        errno = result;
+        return static_cast<size_t>(-1);
+    }
+
+    return dest_converted;
 }

src/system_error.cpp

@@ -195,6 +195,9 @@ __throw_system_error(int ev, const char* what_arg)
 {
 #ifndef _LIBCPP_NO_EXCEPTIONS
     throw system_error(error_code(ev, system_category()), what_arg);
+#else
+    (void)ev;
+    (void)what_arg;
 #endif
 }
 

src/thread.cpp

@@ -13,8 +13,8 @@
 #include "future"
 #include "limits"
 #include <sys/types.h>
-#if !_WIN32
-#if !__sun__ && !__linux__
+#if !defined(_WIN32)
+#if !defined(__sun__) && !defined(__linux__)
 #include <sys/sysctl.h>
 #else
 #include <unistd.h>
@@ -36,6 +36,8 @@ thread::join()
 #ifndef _LIBCPP_NO_EXCEPTIONS
     if (ec)
         throw system_error(error_code(ec, system_category()), "thread::join failed");
+#else
+    (void)ec;
 #endif  // _LIBCPP_NO_EXCEPTIONS
     __t_ = 0;
 }
@@ -65,11 +67,15 @@ thread::hardware_concurrency() _NOEXCEPT
     std::size_t s = sizeof(n);
     sysctl(mib, 2, &n, &s, 0, 0);
     return n;
-#elif defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && defined(_SC_NPROCESSORS_ONLN)
+#elif (defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L) && defined(_SC_NPROCESSORS_ONLN)) || defined(EMSCRIPTEN)
     long result = sysconf(_SC_NPROCESSORS_ONLN);
-    if (result < 0 || result > UINT_MAX)
-        result = 0;
-    return result;
+    // sysconf returns -1 if the name is invalid, the option does not exist or
+    // does not have a definite limit.
+    // if sysconf returns some other negative number, we have no idea
+    // what is going on. Default to something safe.
+    if (result < 0)
+        return 0;
+    return static_cast<unsigned>(result);
 #else  // defined(CTL_HW) && defined(HW_NCPU)
     // TODO: grovel through /proc or check cpuid on x86 and similar
     // instructions on other architectures.

src/typeinfo.cpp

@@ -12,7 +12,7 @@
 #define __has_include(inc) 0
 #endif
 
-#if __APPLE__
+#ifdef __APPLE__
 #include <cxxabi.h>
 #elif defined(LIBCXXRT) || __has_include(<cxxabi.h>)
 #include <cxxabi.h>
@@ -50,11 +50,21 @@ std::bad_typeid::what() const _NOEXCEPT
   return "std::bad_typeid";
 }
 
-#if __APPLE__
+#ifdef __APPLE__
   // On Darwin, the cxa_bad_* functions cannot be in the lower level library
   // because bad_cast and bad_typeid are defined in his higher level library
-  void __cxxabiv1::__cxa_bad_typeid() { throw std::bad_typeid(); }
-  void __cxxabiv1::__cxa_bad_cast() { throw std::bad_cast(); }
+  void __cxxabiv1::__cxa_bad_typeid()
+  {
+#ifndef _LIBCPP_NO_EXCEPTIONS
+     throw std::bad_typeid();
+#endif
+  }
+  void __cxxabiv1::__cxa_bad_cast()
+  {
+#ifndef _LIBCPP_NO_EXCEPTIONS
+      throw std::bad_cast();
+#endif
+  }
 #endif
 
 #endif  // _LIBCPPABI_VERSION

test/algorithms/alg.modifying.operations/alg.copy/copy.pass.cpp

@@ -16,7 +16,7 @@
 #include <algorithm>
 #include <cassert>
 
-#include "../../iterators.h"
+#include "test_iterators.h"
 
 template <class InIter, class OutIter>
 void

test/algorithms/alg.modifying.operations/alg.copy/copy_backward.pass.cpp

@@ -17,7 +17,7 @@
 #include <algorithm>
 #include <cassert>
 
-#include "../../iterators.h"
+#include "test_iterators.h"
 
 template <class InIter, class OutIter>
 void

test/algorithms/alg.modifying.operations/alg.copy/copy_if.pass.cpp

@@ -18,7 +18,7 @@
 #include <algorithm>
 #include <cassert>
 
-#include "../../iterators.h"
+#include "test_iterators.h"
 
 struct Pred
 {

test/algorithms/alg.modifying.operations/alg.copy/copy_n.pass.cpp

@@ -16,7 +16,7 @@
 #include <algorithm>
 #include <cassert>
 
-#include "../../iterators.h"
+#include "test_iterators.h"
 
 template <class InIter, class OutIter>
 void

test/algorithms/alg.modifying.operations/alg.fill/fill.pass.cpp

@@ -17,7 +17,7 @@
 #include <algorithm>
 #include <cassert>
 
-#include "../../iterators.h"
+#include "test_iterators.h"
 
 template <class Iter>
 void