https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83252
--- Comment #13 from Vladimir Makarov <vmakarov at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #12) > This broke again with r255377. > Testcase in patch form at > https://gcc.gnu.org/ml/gcc-patches/2017-12/msg00133.html I've started to work on it. In any case the patch will need a lot of testing. I hope to have a fix on this week or at the start of next week.