http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53228
--- Comment #6 from Uros Bizjak <ubizjak at gmail dot com> 2012-05-04 12:46:24 UTC --- (In reply to comment #5) > I can confirm the patch works though I don't trivially see how it fixes the > interaction with the option save/restore code ;) It doesn't "fix" anything in option processing code, the patch avoids changing ix86_arch_features behind option processing back.