[Bug c++/77796] tautological compare warning emitted for inherited static method comparisons

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77796

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Eric Gallager from comment #2)
> (In reply to Eric Gallager from comment #1)
> > Confirmed. Also, it seems weird that the warning underlines all of
> > B::destroy, but only the "A" in A::destroy:
> > 
> > $ /usr/local/bin/g++ -c -Wall -Wextra -pedantic 77796.cc
> > 77796.cc:11:12: warning: self-comparison always evaluates to true
> > [-Wtautological-compare]
> >  B::destroy == A::destroy ? 0 : 1
> >  ~~~~~~~~~~~^~~~
> > $
> 
> Diagnostics maintainers, do you know what's up with that?

That was PR 87386, fixed on trunk.