https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103780
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> ---
>a pointer that goes to 0 after decrement is still considered true.
Yes a pointer is never a null pointer if it is decremented and it was a valid
pointer to begin with.
Use -fno-delete-null-pointer-checks if you want to disable this optimization.
