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Repair the <tuple> part of C++20 p1032 Misc constexpr bits. 

2019-11-16  Edward Smith-Rowland  <3dw4rd@verizon.net>

	Repair the <tuple> part of C++20 p1032 Misc constexpr bits.
	* include/bits/uses_allocator.h (__uses_alloc0::_Sink::operaror=)
	(__use_alloc(const _Alloc&)) : Constexpr.

From-SVN: r278373
This commit is contained in:
Edward Smith-Rowland 2019-11-17 03:31:15 +00:00 committed by Edward Smith-Rowland
parent 8857080c81
commit f6e86b3303
2 changed files with 8 additions and 1 deletions
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6
libstdc++-v3/ChangeLog
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@ -1,3 +1,9 @@
2019-11-16 Edward Smith-Rowland <3dw4rd@verizon.net>
Repair the <tuple> part of C++20 p1032 Misc constexpr bits.
* include/bits/uses_allocator.h (__uses_alloc0::_Sink::operaror=)
(__use_alloc(const _Alloc&)) : Constexpr.
2019-11-17 Jonathan Wakely <jwakely@redhat.com>
* include/std/string_view (basic_string_view(It, End)): Add range

3
libstdc++-v3/include/bits/uses_allocator.h
View File

@ -72,7 +72,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
struct __uses_alloc0 : __uses_alloc_base
{
struct _Sink { void operator=(const void*) { } } _M_a;
struct _Sink { void _GLIBCXX20_CONSTEXPR operator=(const void*) { } } _M_a;
};
template<typename _Alloc>
@ -109,6 +109,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
__uses_alloc<uses_allocator<_Tp, _Alloc>::value, _Tp, _Alloc, _Args...>;
template<typename _Tp, typename _Alloc, typename... _Args>
_GLIBCXX20_CONSTEXPR
inline __uses_alloc_t<_Tp, _Alloc, _Args...>
__use_alloc(const _Alloc& __a)
{