https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66782
--- Comment #8 from Uroš Bizjak <ubizjak at gmail dot com> --- Created attachment 35931 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35931&action=edit Workaround patch that reintroduces direct call clobbers The patch vs. [trunk revision 225533] can be used as a workaround until the real problem is fixed.