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authorDimitry Andric <dim@FreeBSD.org>2025-12-06 20:24:15 +0000
committerDimitry Andric <dim@FreeBSD.org>2026-04-25 14:07:43 +0000
commit3b0a0e64bd9f0a65f0dd62dc157597e6d9ecc933 (patch)
tree21da013c8230dae1fdb882f2decd013837f8d658
parentf8152c67d4272e155460e4b3057b41924df8af1c (diff)
Revert "libcxx-compat: revert llvmorg-19-init-17853-g578c6191eff7:"
This reverts commit 2facc097b9b28a81b925c924f27f09b40f29fd4d, in preparation for merging llvm 21. PR: 292067 MFC after: 1 month
-rw-r--r--contrib/llvm-project/libcxx/include/__type_traits/is_void.h20
1 files changed, 2 insertions, 18 deletions
diff --git a/contrib/llvm-project/libcxx/include/__type_traits/is_void.h b/contrib/llvm-project/libcxx/include/__type_traits/is_void.h
index 4c27060530c8..46316b0d3a53 100644
--- a/contrib/llvm-project/libcxx/include/__type_traits/is_void.h
+++ b/contrib/llvm-project/libcxx/include/__type_traits/is_void.h
@@ -11,8 +11,6 @@
#include <__config>
#include <__type_traits/integral_constant.h>
-#include <__type_traits/is_same.h>
-#include <__type_traits/remove_cv.h>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
@@ -20,28 +18,14 @@
_LIBCPP_BEGIN_NAMESPACE_STD
-#if __has_builtin(__is_void)
-
template <class _Tp>
-struct _LIBCPP_TEMPLATE_VIS is_void : _BoolConstant<__is_void(_Tp)> {};
+struct _LIBCPP_TEMPLATE_VIS is_void : _BoolConstant<__is_same(__remove_cv(_Tp), void)> {};
# if _LIBCPP_STD_VER >= 17
template <class _Tp>
-inline constexpr bool is_void_v = __is_void(_Tp);
+inline constexpr bool is_void_v = __is_same(__remove_cv(_Tp), void);
# endif
-#else
-
-template <class _Tp>
-struct _LIBCPP_TEMPLATE_VIS is_void : public is_same<__remove_cv_t<_Tp>, void> {};
-
-# if _LIBCPP_STD_VER >= 17
-template <class _Tp>
-inline constexpr bool is_void_v = is_void<_Tp>::value;
-# endif
-
-#endif // __has_builtin(__is_void)
-
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___TYPE_TRAITS_IS_VOID_H