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Subject: [Bug libstdc++/102270] std::tuple<>::swap missing constexpr specifier
Date: Fri, 17 Sep 2021 19:45:48 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102270

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jonathan Wakely <redi@gcc.gnu.org>:

https://gcc.gnu.org/g:1fa2c5a695bb962ffcf8abed49f69cdcc59d0e61

commit r12-3637-g1fa2c5a695bb962ffcf8abed49f69cdcc59d0e61
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Fri Sep 17 12:27:02 2021 +0100

    libstdc++: Fix last std::tuple constructor missing 'constexpr' [PR10227=
0]

    Also rename the test so it actually runs.

    Signed-off-by: Jonathan Wakely <jwakely@redhat.com>

    libstdc++-v3/ChangeLog:

            PR libstdc++/102270
            * include/std/tuple (_Tuple_impl): Add constexpr to constructor
            missed in previous patch.
            * testsuite/20_util/tuple/cons/102270.C: Moved to...
            * testsuite/20_util/tuple/cons/102270.cc: ...here.
            * testsuite/util/testsuite_allocator.h (SimpleAllocator): Add
            constexpr to constructor so it can be used for C++20 tests.=