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Add parens around constraint in <memory>. 

C++20 concepts require parens around atomic constraints that are not
primary-expressions.

	* include/std/memory (uses_allocator_construction_args): Add parens
	around constraint.

From-SVN: r273515
This commit is contained in:
Jason Merrill 2019-07-16 04:54:47 -04:00 committed by Jason Merrill
parent fd860f7d44
commit e6c847fb8f
2 changed files with 6 additions and 1 deletions
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5
libstdc++-v3/ChangeLog
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@ -1,3 +1,8 @@
2019-07-16 Jason Merrill <jason@redhat.com>
* include/std/memory (uses_allocator_construction_args): Add parens
around constraint.
2019-07-12 Jonathan Wakely <jwakely@redhat.com>
* testsuite/29_atomics/atomic_float/1.cc: Fix comment.

2
libstdc++-v3/include/std/memory
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@ -261,7 +261,7 @@ get_pointer_safety() noexcept { return pointer_safety::relaxed; }
uses_allocator_construction_args(const _Alloc& __a,
_Args&&... __args) noexcept
#if __cpp_concepts
requires ! _Std_pair<_Tp>
requires (! _Std_pair<_Tp>)
#endif
{
return std::__uses_alloc_args<_Tp>(__a, std::forward<_Args>(__args)...);