From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 126735 invoked by alias); 14 Jun 2015 17:29:27 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 126691 invoked by uid 48); 14 Jun 2015 17:29:22 -0000 From: "segher at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/66425] (void) cast doesn't suppress __attribute__((warn_unused_result)) Date: Sun, 14 Jun 2015 17:29:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 4.9.2 X-Bugzilla-Keywords: X-Bugzilla-Severity: enhancement X-Bugzilla-Who: segher at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-06/txt/msg01294.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66425 Segher Boessenkool changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |segher at gcc dot gnu.org --- Comment #18 from Segher Boessenkool --- Another way of ignoring the unused result, friendlier on the eyes than ugly macros or horrible casts, and even *inviting* the programmer to write an explanatory comment, goes like if (foo()) { /* The return value of foo can be ignored here because X and Y. */ }