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Revert "[libc++][NFC] Remove __has_keyword"

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This reverts commit cd34e89cfabbc43a89bac5f0e4e84ebee0e4e167.

See https://reviews.llvm.org/D158215#inline-1544266 for details.
This commit is contained in:
Xing Xue 2023-09-07 14:48:45 -04:00
parent f8843efbb2
commit 7f302f220e
2 changed files with 4 additions and 2 deletions
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4
libcxx/include/__config
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@ -356,6 +356,8 @@
# define __has_declspec_attribute(__x) 0
# endif
# define __has_keyword(__x) !(__is_identifier(__x))
# ifndef __has_include
# define __has_include(...) 0
# endif
@ -1104,7 +1106,7 @@ __sanitizer_verify_double_ended_contiguous_container(const void*, const void*, c
# define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE
# endif
# if __has_feature(cxx_atomic) || __has_extension(c_atomic)
# if __has_feature(cxx_atomic) || __has_extension(c_atomic) || __has_keyword(_Atomic)
# define _LIBCPP_HAS_C_ATOMIC_IMP
# elif defined(_LIBCPP_COMPILER_GCC)
# define _LIBCPP_HAS_GCC_ATOMIC_IMP

2
libcxx/include/tuple
View File

@ -308,7 +308,7 @@ class __tuple_leaf
template <class _Tp>
static _LIBCPP_HIDE_FROM_ABI constexpr bool __can_bind_reference() {
#if __has_builtin(__reference_binds_to_temporary)
#if __has_keyword(__reference_binds_to_temporary)
return !__reference_binds_to_temporary(_Hp, _Tp);
#else
return true;