[Bug sanitizer/82869] c_associated does not always give false for null pointers

[jb at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82869

Janne Blomqvist <jb at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |jb at gcc dot gnu.org

--- Comment #5 from Janne Blomqvist <jb at gcc dot gnu.org> ---
(In reply to Martin Liška from comment #4)
> Confirmed, I see Fortran discrepancy since r243830:
> 
> $ gfortran pr82869-2.f90  -O0 && ./a.out 
>  (Expect F F)  F F
> $ gfortran pr82869-2.f90  -O2 && ./a.out 
>  (Expect F F)  T T
> 
> Comparison of sanitized and not sanitized tree dump looks the same (modulo
> memory checks).

Hmm. Actually, I have prepared a patch to fix some other minor fallout due to
r243830, I'll have to check whether it fixes this issue as well. Assigning to
myself.