procyberian/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Fix test for __has_unique_object_representations support in Clang

Browse source 
* include/std/type_traits (_GLIBCXX_NO_BUILTIN_HAS_UNIQ_OBJ_REP):
	Replace with _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP and use
	__is_identifier to set it.

From-SVN: r251009
This commit is contained in:
Jonathan Wakely 2017-08-09 22:38:05 +01:00 • committed by Jonathan Wakely
parent 2ae804bf9d
commit 2d763763ed
2 changed files with 14 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
libstdc++-v3/ChangeLog
View file

@ -1,3 +1,9 @@
2017-08-09 Jonathan Wakely <jwakely@redhat.com>
* include/std/type_traits (_GLIBCXX_NO_BUILTIN_HAS_UNIQ_OBJ_REP):
Replace with _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP and use
__is_identifier to set it.
2017-08-09 Katsuhiko Nishimra <ktns.87@gmail.com>
* include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Use

14
libstdc++-v3/include/std/type_traits
View file

@ -2873,14 +2873,16 @@ template <typename _Base, typename _Derived>
template <typename _From, typename _To>
inline constexpr bool is_convertible_v = is_convertible<_From, _To>::value;
#ifdef __has_builtin
# if !__has_builtin(__has_unique_object_representations)
// Try not to break non-GNU compilers that don't support the built-in:
# define _GLIBCXX_NO_BUILTIN_HAS_UNIQ_OBJ_REP 1
#if __GNUC__ >= 7
# define _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP 1
#elif defined(__is_identifier)
// For non-GNU compilers:
# if ! __is_identifier(__has_unique_object_representations)
# define _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP 1
# endif
#endif
#ifndef _GLIBCXX_NO_BUILTIN_HAS_UNIQ_OBJ_REP
#ifdef _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP
# define __cpp_lib_has_unique_object_representations 201606
/// has_unique_object_representations
template<typename _Tp>
@ -2890,7 +2892,7 @@ template <typename _From, typename _To>
)>
{ };
#endif
#undef _GLIBCXX_NO_BUILTIN_HAS_UNIQ_OBJ_REP
#undef _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP
#if __GNUC__ >= 7
# define _GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE 1