https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117312
--- Comment #10 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to H. Peter Anvin from comment #9) > I just want to reiterate that for the inline assembly case specifically, > just doing the "heavy hammer" thing of disabling the redzone (which looks to > me to be what the flags intrinsics currently do) is almost certainly just No, flag intrinsic do not disable redzone. They just silently clobber it.