From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17914 invoked by alias); 23 Jul 2007 23:30:34 -0000 Received: (qmail 17729 invoked by uid 48); 23 Jul 2007 23:30:20 -0000 Date: Mon, 23 Jul 2007 23:30:00 -0000 Message-ID: <20070723233020.17728.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/32873] [4.3 Regression] glibc ICE's gcc-4.3.0 SSA corruption In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "pinskia at gcc dot gnu dot org" 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: 2007-07/txt/msg02392.txt.bz2 ------- Comment #1 from pinskia at gcc dot gnu dot org 2007-07-23 23:30 ------- Value numbering spec_28(ab) stmt = spec_28(ab) = PHI Setting value number of spec_28(ab) to spec_7(ab) We should not value number this PHI node, yes it is a copy but a needed copy for abnormal edges. Note the reduced testcase is missing an optimization but that is already filed as PR 32810. -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Ever Confirmed|0 |1 Last reconfirmed|0000-00-00 00:00:00 |2007-07-23 23:30:20 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32873