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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/62182] New warning wished: operator== and "equality comparison result unused [-Wunused-comparison]"/-Wunsed-value
Date: Thu, 16 Apr 2015 06:05:00 -0000 [thread overview]
Message-ID: <bug-62182-4-gvoLJxiwk9@http.gcc.gnu.org/bugzilla/> (raw)
In-Reply-To: <bug-62182-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62182
--- Comment #5 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
(In reply to Arnaud Bienner from comment #3)
> One thing that doesn't work is turning on this warning using
> -Wunused-comparison parameter. But surprisingly, turning it off with
> -Wno-unused-comparison (when -Wunused or -Wall is used) works. Not sure what
> I'm missing here.
Because the emit_side_effect_warnings calls are guarded by warn_unused_value.
prev parent reply other threads:[~2015-04-16 6:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-62182-4@http.gcc.gnu.org/bugzilla/>
2015-02-28 16:43 ` manu at gcc dot gnu.org
2015-04-13 16:38 ` arnaud.bienner at ensimag dot fr
2015-04-15 22:40 ` arnaud.bienner at ensimag dot fr
2015-04-16 0:43 ` manu at gcc dot gnu.org
2015-04-16 6:05 ` mpolacek at gcc dot gnu.org [this message]
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