https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101953
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |INVALID Status|UNCONFIRMED |RESOLVED --- Comment #16 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Undefined mean it could do anything. Sorry but if you want something that has defined behavior like this, a different language is needed.