https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66488
--- Comment #10 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Stanisław Halik from comment #9) > I'm sorry to be bumping this issue but it's been months. Patches should be posted to gcc-patches mailing list, as explained in https://gcc.gnu.org/contribute.html