From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10903 invoked by alias); 9 Jan 2014 23:45:07 -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 10849 invoked by uid 48); 9 Jan 2014 23:45:04 -0000 From: "jakub at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/59743] [4.9 Regression] ICE: Segmentation fault Date: Thu, 09 Jan 2014 23:45:00 -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-Version: 4.9.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: jakub at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: law at redhat dot com X-Bugzilla-Target-Milestone: 4.9.0 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: 2014-01/txt/msg01025.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59743 --- Comment #7 from Jakub Jelinek --- (In reply to Jeffrey A. Law from comment #5) > I think we can just check DF_INSN_LUIDs here to catch this case. My systems > are busy right now, but I should be able to nail this down as soon as one > frees up. But is DF_INSN_LUID always computed? I mean, for -O2 it probably is, but what about -O -free ? For -O I think the live problem isn't on and thus I think DF_INSN_LUID isn't computed. The DF documentation is unfortunately non-existent :(.