https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115073
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |INVALID Status|UNCONFIRMED |RESOLVED --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Invalid as explained. The builtin has undefined behavior no matter what the backend says is the value at 0.