From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 16977 invoked by alias); 11 Dec 2014 16:21:26 -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 16599 invoked by uid 48); 11 Dec 2014 16:21:20 -0000 From: "ebotcazou at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug ipa/64190] [4.9 Regression] FAIL: gcc.dg/ipa/pr63551.c (test for excess errors) Date: Thu, 11 Dec 2014 16:21:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: ipa X-Bugzilla-Version: 4.9.3 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: ebotcazou at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.4 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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: 2014-12/txt/msg01309.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64190 --- Comment #4 from Eric Botcazou --- > I'm not getting this warning neither on x86_64-linux nor on i686-linux, > otherwise I would not have committed the patch. Any information about > the platform you are getting the warning on would be appreciated. x86-64/Linux -m32 for me: eric@polaris:~/build/gcc-4_9-branch/native> gcc/xgcc -Bgcc pr63551.c -m32 pr63551.c: In function 'fn2': pr63551.c:24:9: warning: this decimal constant is unsigned only in ISO C90 union U b = { 4294967286 }; > If you can reproduce it, can you check whether providing option > -std=c90 or something like it would suppress it? -std=c99 works.