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libstdc++: Fix tests with non-const operator==

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These tests fail in strict -std=c++20 mode but their equality ops don't
need to be non-const, it looks like an accident.

This fixes two FAILs with -std=c++20:
FAIL: 20_util/tuple/swap.cc (test for excess errors)
FAIL: 26_numerics/valarray/87641.cc (test for excess errors)

libstdc++-v3/ChangeLog:

	* testsuite/20_util/tuple/swap.cc (MoveOnly::operator==): Add
	const qualifier.
	* testsuite/26_numerics/valarray/87641.cc (X::operator==):
	Likewise.
This commit is contained in:
Jonathan Wakely 2022-11-10 14:11:27 +00:00
parent f54ae4da1f
commit fbad7a74aa
2 changed files with 2 additions and 2 deletions
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2
libstdc++-v3/testsuite/20_util/tuple/swap.cc
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@ -38,7 +38,7 @@ struct MoveOnly
MoveOnly(MoveOnly const&) = delete;
MoveOnly& operator=(MoveOnly const&) = delete;
bool operator==(MoveOnly const& m)
bool operator==(MoveOnly const& m) const
{ return i == m.i; }
void swap(MoveOnly& m)

2
libstdc++-v3/testsuite/26_numerics/valarray/87641.cc
View file

@ -39,7 +39,7 @@ struct X
X() : val(1) { }
X& operator+=(const X& x) { val += x.val; return *this; }
bool operator==(const X& x) { return val == x.val; }
bool operator==(const X& x) const { return val == x.val; }
int val;
};