https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102270
--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-11 branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>: https://gcc.gnu.org/g:9c2eea2841aa2ca165b9055763fffcee5008bf83 commit r11-9105-g9c2eea2841aa2ca165b9055763fffcee5008bf83 Author: Jonathan Wakely <jwak...@redhat.com> Date: Fri Sep 17 12:27:02 2021 +0100 libstdc++: Fix last std::tuple constructor missing 'constexpr' [PR102270] Also rename the test so it actually runs. Signed-off-by: Jonathan Wakely <jwak...@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. (cherry picked from commit 1fa2c5a695bb962ffcf8abed49f69cdcc59d0e61)