[Bug middle-end/115498] Missing warning for comparing distinct (char*) pointers in much complex code path

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115498

--- Comment #3 from Drea Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Drea Pinski from comment #2)
> I think -Wanalyzer-undefined-behavior-ptrdiff solves this ...

Looks like that is not warning here but maybe because that only warns for
ptrdiff and not ==.