From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 69639 invoked by alias); 5 Mar 2015 01:30:44 -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 69576 invoked by uid 48); 5 Mar 2015 01:30:38 -0000 From: "madars+gccbug at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/65307] [4.9 Regression] Incorrect optimization breaks basic arithmetic Date: Thu, 05 Mar 2015 01:30:00 -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: 4.9.2 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: madars+gccbug at gmail dot com X-Bugzilla-Status: NEW X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.3 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: 2015-03/txt/msg00554.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65307 --- Comment #12 from madars+gccbug at gmail dot com --- By the way, in g++ the bug can be triggered even with -O1 and without marking any functions inline (implicitly or explicitly): http://web.mit.edu/madars/Public/gcc-basic-arithmetic-bug-O1.cpp