https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67941
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 36727 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36727&action=edit gcc6-pr67941.patch Random attempt to write some condition, but I really have no idea if it is at least anywhere close to the right one.