[Bug c++/81928] if(!this) optimization leads to possible errors without warnings

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81928

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|---                         |INVALID

--- Comment #21 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Matthieu Brucher from comment #19)
> That was my original comment... Thanks for quoting me...
> The issue is that the warning doesn't tell me what you told me, that "this"
> is never equal to nullptr in that context. This is what the warning should
> be (and as such, yes, it is a bug).

Huh????
Yes it is:
nonnull argument ‘this’ compared to NULL

What more do you want it to say.  That comparing this to NULL Is undefined
behavior?