https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114147
--- Comment #10 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-12 branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>: https://gcc.gnu.org/g:fbdeeb1604d52a8ece8631f70ecd64d925d31741 commit r12-10221-gfbdeeb1604d52a8ece8631f70ecd64d925d31741 Author: Jonathan Wakely <jwak...@redhat.com> Date: Fri Mar 1 11:16:58 2024 +0000 libstdc++: Add missing std::tuple constructor [PR114147] I caused a regression with commit r10-908 by adding a constraint to the non-explicit allocator-extended default constructor, but seemingly forgot to add an explicit overload with the corresponding constraint. libstdc++-v3/ChangeLog: PR libstdc++/114147 * include/std/tuple (tuple::tuple(allocator_arg_t, const Alloc&)): Add missing overload of allocator-extended default constructor. (tuple<T1,T2>::tuple(allocator_arg_t, const Alloc&)): Likewise. * testsuite/20_util/tuple/cons/114147.cc: New test. (cherry picked from commit 0a545ac7000501844670add0b3560ebdbcb123c6)