https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112870
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |INVALID Status|UNCONFIRMED |RESOLVED --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- This is all undefined behavior. Please read https://gcc.gnu.org/onlinedocs/gcc-13.2.0/gcc/Labels-as-Values.html . Specifically: You may not use this mechanism to jump to code in a different function.