https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67391
--- Comment #25 from Kazumoto Kojima <kkojima at gcc dot gnu.org> --- (In reply to Oleg Endo from comment #24) > Could you please re-run that test with attachment 36400 [details]? Yes, 36400 fixes that failure: PASS: gcc.c-torture/compile/sync-3.c -O1 (test for warnings, line )