https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78614
--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 40204 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40204&action=edit gcc7-pr78614.patch This fixes the testcase for me in a cross. Could somebody try --enable-checking=yes,rtl bootstrap with that in?