https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117889
--- Comment #7 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>: https://gcc.gnu.org/g:29bea6921d0e2e3dd20bc78926ef0e98b1b1e4ad commit r15-5889-g29bea6921d0e2e3dd20bc78926ef0e98b1b1e4ad Author: Jonathan Wakely <jwak...@redhat.com> Date: Sat Nov 30 21:37:02 2024 +0000 libstdc++: Fix constraints on std::optional converting constructors [PR117889] The converting constructors had the same bug as the converting assignments, so need the same fix as r15-5833-gc2c7d71eeeab7c. libstdc++-v3/ChangeLog: PR libstdc++/117889 PR libstdc++/117858 * include/std/optional (optional(const optional<U>&)): Fix copy and paste error in constraints. (optional(optional<U>&&)): Likewise. * testsuite/20_util/optional/assignment/117858.cc: Move to ... * testsuite/20_util/optional/cons/117858.cc: New test.