https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89585
--- Comment #31 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 45914 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45914&action=edit gcc9-pr89585.patch Incremental patch to warn for GCC 9 instead of error.