https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70336
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 38173 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38173&action=edit gcc6-pr70336.patch Patch to revert (for GENERIC only) the match.pd change that causes this regression.