https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81388
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |INVALID --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- -fno-strict-overflow Does not effect Pointers. Pointers overflow is separate from integer signed overflow and it is always undefined if the pointer overflow. That is once a pointer is non-null, adding to it can never reach be null.