https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95321
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #1)
> I don't think this is valid:
> BY the time operator delete gets called the deconstructor is called and
> therefor the object no longer exists therefor:
> void operator delete (void * ptr)
> {
> if (ptr != nullptr) static_cast<IDestroyable *>(ptr)->Destroy();
> }
>
> Is invalid code as the vtable in ptr is no longer valid.
s/invalid/undefined/
