http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57637
--- Comment #5 from ktkachov at gcc dot gnu.org --- > Please try the attached patch. If it works, I will send it for community > review. Hi Zhenqiang, This seems to fix the miscompare on my setup, thanks! I haven't ran a full regression test on it though, but it seems reasonable at first glance. Kyrill