From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 41388 invoked by alias); 22 Jul 2015 13:54:54 -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 38942 invoked by uid 48); 22 Jul 2015 13:54:48 -0000 From: "wschmidt at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/66868] [5/6 Regression] wrong code generated with -O3 (dead code removal?) Date: Wed, 22 Jul 2015 13:54:00 -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: 5.1.1 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: wschmidt 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: 5.3 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: 2015-07/txt/msg01908.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66868 --- Comment #5 from Bill Schmidt --- Using current trunk, I compared the 193t.optimized dumps for the original cdrom.ii attachment and for the same attachment modified to add the debug output statement from the end of comment 2. Other than the added statements for the debug output, there don't appear to be any changes. This bug is marked as 5.1/6 regression -- are you certain that it regresses on trunk? Will check 5.1 the same way.