From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8113 invoked by alias); 14 Jul 2012 21:10:39 -0000 Received: (qmail 8104 invoked by uid 22791); 14 Jul 2012 21:10:38 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Sat, 14 Jul 2012 21:10:26 +0000 From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/53966] procmail build deadloop on _autotst & -O3 Date: Sat, 14 Jul 2012 21:10:00 -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-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Component Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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 X-SW-Source: 2012-07/txt/msg01139.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53966 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Component|c |tree-optimization --- Comment #2 from Andrew Pinski 2012-07-14 21:10:26 UTC --- Are you sure you are not invoking some undefined behavior, like signed overflow or aliasing issues? Can you try with -fno-strict-aliasing and/or -fwrapv ? "-O3 -fno-ipa-cp-clone" causes it, then most likely -O2 -finline-functions will reproduce the issue too.