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[libc++] Remove workaround for broken __is_trivially_copyable on old GCC

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All supported versions of GCC now do the right thing.

Differential Revision: https://reviews.llvm.org/D108997
This commit is contained in:
Louis Dionne
2021-08-31 10:41:13 -04:00
parent c28473fe4a
commit e781e03e40
2 changed files with 0 additions and 10 deletions
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6
libcxx/include/type_traits
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@@ -3708,13 +3708,7 @@ _LIBCPP_INLINE_VAR _LIBCPP_CONSTEXPR bool is_standard_layout_v
// is_trivially_copyable;
template <class _Tp> struct _LIBCPP_TEMPLATE_VIS is_trivially_copyable
#if __has_feature(is_trivially_copyable)
: public integral_constant<bool, __is_trivially_copyable(_Tp)>
#elif _GNUC_VER >= 501
: public integral_constant<bool, !is_volatile<_Tp>::value && __is_trivially_copyable(_Tp)>
#else
: integral_constant<bool, is_scalar<typename remove_all_extents<_Tp>::type>::value>
#endif
{};
#if _LIBCPP_STD_VER > 14 && !defined(_LIBCPP_HAS_NO_VARIABLE_TEMPLATES)

4
libcxx/test/std/utilities/meta/meta.unary/meta.unary.prop/is_trivially_copyable.pass.cpp
View File

@@ -10,10 +10,6 @@
// is_trivially_copyable
// GCC has not implemented Core 2094 which makes volatile
// qualified types trivially copyable.
// XFAIL: gcc
#include <type_traits>
#include <cassert>
#include "test_macros.h"