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

[matthieu.brucher at gmail dot com]

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

--- Comment #11 from Matthieu Brucher <matthieu.brucher at gmail dot com> ---
Oh, and if this is always false, why isn't it the case in debug mode? It is
then a bug according to what you said.