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[Bug c++/81928] if(!this) optimization leads to possible errors without warnings
- From: "redi at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 23 Aug 2017 20:04:09 +0000
- Subject: [Bug c++/81928] if(!this) optimization leads to possible errors without warnings
- Auto-submitted: auto-generated
- References: <bug-81928-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81928
--- Comment #14 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Matthieu Brucher from comment #11)
> 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.
It is always false in a valid program. If you create a situation where the this
pointer is null that's a bug in your program, not in GCC.