https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62109
--- Comment #10 from David <gccbugzilla at limegreensocks dot com> --- (In reply to Kai Tietz from comment #5) > This patch is clear stage 1 material. We're in stage 1. Is it time? The patch adds the memory clobber, but I think the conclusion here was to remove __gthr_i486_lock_cmp_xchg since it only applies to (the no longer supported) win95.