Merge pull request #1767 from waywardmonkeys/update-libcxx1.7.2

 Update libcxx

107 files changed, 6016 insertions, 3062 deletions

diff --git a/system/include/libcxx/CREDITS.TXT b/system/include/libcxx/CREDITS.TXT
index 5e4d14ec..368b526f 100644
--- a/system/include/libcxx/CREDITS.TXT
+++ b/system/include/libcxx/CREDITS.TXT
@@ -31,7 +31,7 @@ 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.
+D: C++14 support, patches and bug fixes.
 
 N: Bill Fisher
 E: william.w.fisher@gmail.com
@@ -76,6 +76,10 @@ N: Bjorn Reese
 E: breese@users.sourceforge.net
 D: Initial regex prototype
 
+N: Nico Rieck
+E: nico.rieck@gmail.com
+D: Windows fixes
+
 N: Jonathan Sauer
 D: Minor patches, mostly related to constexpr
 
@@ -105,6 +109,10 @@ N: Zhang Xiongpang
 E: zhangxiongpang@gmail.com
 D: Minor patches and bug fixes.
 
+N: Xing Xue
+E: xingxue@ca.ibm.com
+D: AIX port
+
 N: Zhihao Yuan
 E: lichray@gmail.com
 D: Standard compatibility fixes.
diff --git a/system/include/libcxx/__bit_reference b/system/include/libcxx/__bit_reference
index 857dd5a4..37b79237 100644
--- a/system/include/libcxx/__bit_reference
+++ b/system/include/libcxx/__bit_reference
@@ -40,7 +40,7 @@ class __bit_reference
     __storage_pointer __seg_;
     __storage_type    __mask_;
 
-#if defined(__clang__)
+#if defined(__clang__) || defined(__IBMCPP__) || defined(_LIBCPP_MSVC)
     friend typename _Cp::__self;
 #else
     friend class _Cp::__self;
@@ -82,7 +82,7 @@ class __bit_reference<_Cp, false>
 };
 
 template <class _Cp>
-_LIBCPP_INLINE_VISIBILITY inline
+inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(__bit_reference<_Cp> __x, __bit_reference<_Cp> __y) _NOEXCEPT
 {
@@ -92,7 +92,7 @@ swap(__bit_reference<_Cp> __x, __bit_reference<_Cp> __y) _NOEXCEPT
 }
 
 template <class _Cp, class _Dp>
-_LIBCPP_INLINE_VISIBILITY inline
+inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(__bit_reference<_Cp> __x, __bit_reference<_Dp> __y) _NOEXCEPT
 {
@@ -102,7 +102,7 @@ swap(__bit_reference<_Cp> __x, __bit_reference<_Dp> __y) _NOEXCEPT
 }
 
 template <class _Cp>
-_LIBCPP_INLINE_VISIBILITY inline
+inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(__bit_reference<_Cp> __x, bool& __y) _NOEXCEPT
 {
@@ -112,7 +112,7 @@ swap(__bit_reference<_Cp> __x, bool& __y) _NOEXCEPT
 }
 
 template <class _Cp>
-_LIBCPP_INLINE_VISIBILITY inline
+inline _LIBCPP_INLINE_VISIBILITY
 void
 swap(bool& __x, __bit_reference<_Cp> __y) _NOEXCEPT
 {
@@ -130,7 +130,7 @@ class __bit_const_reference
     __storage_pointer        __seg_;
     __storage_type __mask_;
 
-#if defined(__clang__)
+#if defined(__clang__) || defined(__IBMCPP__) || defined(_LIBCPP_MSVC)
     friend typename _Cp::__self;
 #else
     friend class _Cp::__self;
@@ -379,7 +379,7 @@ __fill_n_true(__bit_iterator<_Cp, false> __first, typename _Cp::size_type __n)
 }
 
 template <class _Cp>
-_LIBCPP_INLINE_VISIBILITY inline
+inline _LIBCPP_INLINE_VISIBILITY
 void
 fill_n(__bit_iterator<_Cp, false> __first, typename _Cp::size_type __n, bool __value_)
 {
@@ -1222,7 +1222,7 @@ private:
     __bit_iterator(__storage_pointer __s, unsigned __ctz) _NOEXCEPT
         : __seg_(__s), __ctz_(__ctz) {}
 
-#if defined(__clang__)
+#if defined(__clang__) || defined(__IBMCPP__) || defined(_LIBCPP_MSVC)
     friend typename _Cp::__self;
 #else
     friend class _Cp::__self;
diff --git a/system/include/libcxx/__config b/system/include/libcxx/__config
index b1f0d958..a45b02de 100644
--- a/system/include/libcxx/__config
+++ b/system/include/libcxx/__config
@@ -79,8 +79,14 @@
 #  endif
 #  if defined(_MSC_VER) && !defined(__clang__)
 #    define _LIBCPP_MSVC // Using Microsoft Visual C++ compiler
+#    define _LIBCPP_TOSTRING2(x) #x
+#    define _LIBCPP_TOSTRING(x) _LIBCPP_TOSTRING2(x)
+#    define _LIBCPP_WARNING(x) __pragma(message(__FILE__ "(" _LIBCPP_TOSTRING(__LINE__) ") : warning note: " x))
+#  endif
+#  // If mingw not explicitly detected, assume using MS C runtime only.
+#  ifndef __MINGW32__
+#    define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library
 #  endif
-#  define _LIBCPP_MSVCRT // Using Microsoft's C Runtime library
 #endif  // _WIN32
 
 #ifdef __linux__
@@ -132,6 +138,9 @@
 # define _LIBCPP_TYPE_VIS
 #endif
 
+#define _LIBCPP_TYPE_VIS_ONLY
+#define _LIBCPP_FUNC_VIS_ONLY
+
 #ifndef _LIBCPP_INLINE_VISIBILITY
 # ifdef _LIBCPP_MSVC
 #  define _LIBCPP_INLINE_VISIBILITY __forceinline
@@ -172,6 +181,14 @@
 #  endif
 #endif
 
+#ifndef _LIBCPP_TYPE_VIS_ONLY
+# define _LIBCPP_TYPE_VIS_ONLY _LIBCPP_TYPE_VIS
+#endif
+
+#ifndef _LIBCPP_FUNC_VIS_ONLY
+# define _LIBCPP_FUNC_VIS_ONLY _LIBCPP_FUNC_VIS
+#endif
+
 #ifndef _LIBCPP_INLINE_VISIBILITY
 #define _LIBCPP_INLINE_VISIBILITY __attribute__ ((__visibility__("hidden"), __always_inline__))
 #endif
@@ -180,10 +197,6 @@
 #define _LIBCPP_EXCEPTION_ABI _LIBCPP_TYPE_VIS
 #endif
 
-#ifndef _LIBCPP_CANTTHROW
-#define _LIBCPP_CANTTHROW __attribute__ ((__nothrow__))
-#endif
-
 #ifndef _LIBCPP_ALWAYS_INLINE
 #define _LIBCPP_ALWAYS_INLINE  __attribute__ ((__visibility__("hidden"), __always_inline__))
 #endif
@@ -408,6 +421,7 @@ using namespace _LIBCPP_NAMESPACE __attribute__((__strong__));
 #define _LIBCPP_HAS_NO_CONSTEXPR
 #define _LIBCPP_HAS_NO_UNICODE_CHARS
 #define _LIBCPP_HAS_NO_DELETED_FUNCTIONS
+#define _LIBCPP_HAS_NO_DEFAULTED_FUNCTIONS
 #define __alignof__ __alignof
 #define _LIBCPP_NORETURN __declspec(noreturn)
 #define _ALIGNAS(x) __declspec(align(x))
@@ -420,10 +434,43 @@ using namespace _LIBCPP_NAMESPACE __attribute__((__strong__));
 #define _LIBCPP_END_NAMESPACE_STD  }
 #define _VSTD std
 
+#  define _LIBCPP_WEAK
+namespace std {
+}
+
+#elif defined(__IBMCPP__)
+
+#define _ALIGNAS(x) __attribute__((__aligned__(x)))
+#define _ALIGNAS_TYPE(x) __attribute__((__aligned__(__alignof(x))))
+#define _ATTRIBUTE(x) __attribute__((x))
+#define _LIBCPP_NORETURN __attribute__((noreturn))
+
+#define _NOEXCEPT throw()
+#define _NOEXCEPT_(x)
+
+#define _LIBCPP_HAS_NO_TEMPLATE_ALIASES
+#define _LIBCPP_HAS_NO_ADVANCED_SFINAE
+#define _LIBCPP_HAS_NO_ALWAYS_INLINE_VARIADICS
+#define _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
+#define _LIBCPP_HAS_NO_NULLPTR
+#define _LIBCPP_HAS_NO_UNICODE_CHARS
+#define _LIBCPP_HAS_NO_STRONG_ENUMS
+#define _LIBCPP_HAS_IS_BASE_OF
+
+#if defined(_AIX)
+#define __MULTILOCALE_API
+#endif
+
+#define _LIBCPP_BEGIN_NAMESPACE_STD namespace std {inline namespace _LIBCPP_NAMESPACE {
+#define _LIBCPP_END_NAMESPACE_STD  } }
+#define _VSTD std::_LIBCPP_NAMESPACE
+
 namespace std {
+  inline namespace _LIBCPP_NAMESPACE {
+  }
 }
 
-#endif // __clang__ || __GNUC__ || _LIBCPP_MSVC
+#endif // __clang__ || __GNUC___ || _MSC_VER || __IBMCPP__
 
 #ifdef _LIBCPP_HAS_NO_UNICODE_CHARS
 typedef unsigned short char16_t;
@@ -486,8 +533,23 @@ template <unsigned> struct __static_assert_check {};
 #define _LIBCPP_DECLARE_STRONG_ENUM_EPILOG(x)
 #endif  // _LIBCPP_HAS_NO_STRONG_ENUMS
 
+#ifdef _LIBCPP_DEBUG
+#   if _LIBCPP_DEBUG == 0
+#       define _LIBCPP_DEBUG_LEVEL 1
+#   elif _LIBCPP_DEBUG == 1
+#