https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98997
--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Andy Lutomirski from comment #4) > I should add: on brief inspection, that patch looks like an ABI break for > -fcf-protection=none True if __builtin_longjmp and __builtin_setjmp are compiled by different compilers.