https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78390
--- Comment #10 from Michael Matz <matz at gcc dot gnu.org> --- (In reply to Dominik Vogt from comment #9) > On Thu, Nov 17, 2016 at 03:03:03PM +0000, matz at gcc dot gnu.org wrote: > > I'm just bootstrapping s390x with the fix; would you like me to > run a regression test against the fixed patch? Cool, thanks. If bootstrap is still not working then it would help to have a testcase that breaks on s390x, not a whole miscompiled compiler :) So, if still broken please run a reg-test without bootstrap with and without that revision and see if there are any testcases breaking.