https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103559
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Oh it is because you are using the wrong test. Try: if (isless (x, 0)) __builtin_unreachable(); And yes there is a difference.
pinskia at gcc dot gnu.org via Gcc-bugs Sat, 04 Dec 2021 13:34:42 -0800
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103559
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Oh it is because you are using the wrong test. Try: if (isless (x, 0)) __builtin_unreachable(); And yes there is a difference.