https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116678
--- Comment #2 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Jakub Jelinek <ja...@gcc.gnu.org>: https://gcc.gnu.org/g:b7b67732e20217196f2a13a10fc3df4605b2b2ab commit r15-3628-gb7b67732e20217196f2a13a10fc3df4605b2b2ab Author: Jakub Jelinek <ja...@redhat.com> Date: Fri Sep 13 16:13:01 2024 +0200 c++: Don't emit deprecated/unavailable attribute diagnostics when creating cdtor thunks [PR116678] Another spot where we mark_used a function (in this case ctor or dtor) even when it is just artificially used inside of thunks (emitted on mingw with -Os for the testcase). 2024-09-13 Jakub Jelinek <ja...@redhat.com> PR c++/116678 * optimize.cc: Include decl.h. (maybe_thunk_body): Temporarily change deprecated_state to UNAVAILABLE_DEPRECATED_SUPPRESS. * g++.dg/warn/deprecated-20.C: New test.