From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24156 invoked by alias); 16 Oct 2014 07:56:15 -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 24052 invoked by uid 55); 16 Oct 2014 07:56:09 -0000 From: "rguenther at suse dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/62031] [4.8 Regression] Different results between O2 and O2 -fpredictive-commoning Date: Thu, 16 Oct 2014 07:56:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 4.7.2 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenther at suse dot de X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.4 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: 2014-10/txt/msg01218.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62031 --- Comment #10 from rguenther at suse dot de --- On Wed, 15 Oct 2014, clyon at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62031 > > --- Comment #9 from clyon at gcc dot gnu.org --- > Forgot to mention that my observation is true on trunk and 4.9 branch. > > I didn't notice it earlier because I run validations for every commit on the > 4.9 branch, and not as often on trunk. Can you please try to investigate? (does it only fail at -O0?!)