From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 23559 invoked by alias); 29 Oct 2012 14:25:54 -0000 Received: (qmail 23454 invoked by uid 55); 29 Oct 2012 14:25:35 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/53695] [4.8 Regression] ICE: in dfs_enumerate_from, at cfganal.c:1221 with -O2 -ftracer and labels/gotos Date: Mon, 29 Oct 2012 14:25:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.0 X-Bugzilla-Changed-Fields: 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: 2012-10/txt/msg02680.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53695 --- Comment #23 from Richard Biener 2012-10-29 14:25:32 UTC --- Author: rguenth Date: Mon Oct 29 14:25:22 2012 New Revision: 192943 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192943 Log: 2012-10-29 Richard Guenther PR middle-end/53695 * tracer.c (tracer): Fixup loop structure. * cfgloopmanip.c (force_single_succ_latches): Add assert. (fix_loop_structure): Re-compute loop latches and disambiguate loops with multiple latches if required. * gcc.dg/torture/pr53695.c: New testcase. Added: trunk/gcc/testsuite/gcc.dg/torture/pr53695.c Modified: trunk/gcc/ChangeLog trunk/gcc/cfgloopmanip.c trunk/gcc/testsuite/ChangeLog trunk/gcc/tracer.c