https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91946
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Component|c |middle-end Resolution|--- |INVALID --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- 32bit ABIs have a ssize_t of 32bits which means you can only describe 31bits really. This makes wrapping around of the pointer is undefined.