From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10210 invoked by alias); 29 Oct 2011 12:33:07 -0000 Received: (qmail 10200 invoked by uid 22791); 29 Oct 2011 12:33:06 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 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, 29 Oct 2011 12:32:53 +0000 From: "vries at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/50764] [4.7 Regression] ICE: in maybe_record_trace_start, at dwarf2cfi.c:2243 with -O2 -fsched2-use-superblocks -ftree-tail-merge Date: Sat, 29 Oct 2011 12:33:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: vries at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.7.0 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: 2011-10/txt/msg03061.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50764 --- Comment #8 from vries at gcc dot gnu.org 2011-10-29 12:32:37 UTC --- > Using this patch, the dead label introduced by cfg_layout_finalize is removed: To be more precise: Using this patch, the dead label introduced by cfg_layout_finalize is removed before sched2 (in pass_reorder_blocks) rather than after sched2 (in pass_duplicate_computed_gotos).