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

[james.s.spencer at gmail dot com]

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

--- Comment #2 from james.s.spencer at gmail dot com ---
(In reply to kargl from comment #1)
> (In reply to james.s.spencer from comment #0)
> > I think if a pointer, p, is C_NULL_PTR then c_associated(p) should always
> > return false. However, I do not see this with gfortran 7.2.0with
> > -fsanitize=address or when the pointer is initialised when declared. 
> > 
> 
> Not a gfortran problem.  Re-assigning to sanitizer

The third example occurs without the sanitizer enabled.