From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31510 invoked by alias); 1 Dec 2004 02:13:43 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 31405 invoked by uid 48); 1 Dec 2004 02:13:36 -0000 Date: Wed, 01 Dec 2004 02:13:00 -0000 Message-ID: <20041201021336.31404.qmail@sourceware.org> From: "pinskia at gcc dot gnu dot org" To: gcc-bugs@gcc.gnu.org In-Reply-To: <20041201005139.18746.kazu@cs.umass.edu> References: <20041201005139.18746.kazu@cs.umass.edu> Reply-To: gcc-bugzilla@gcc.gnu.org Subject: [Bug tree-optimization/18746] [4.0 Regression] segfault with cc1 compiled with checking disabled X-Bugzilla-Reason: CC X-SW-Source: 2004-12/txt/msg00059.txt.bz2 List-Id: ------- Additional Comments From pinskia at gcc dot gnu dot org 2004-12-01 02:13 ------- This does not make sense. This looks like a latent bug. With checking enabled we have the following for the statement: # bufD.1116_5 = V_MAY_DEF ; __builtin_memcpy (&bufD.1116, pD.1117_1, 6); but with checking disabled we get: # bufD.1116_4 = V_MAY_DEF ; # TMT.0D.1125 = V_MAY_DEF ; __builtin_memcpy (&bufD.1116, pD.1117_1, 6); Note the extra TMT.0D.1125. -- What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |4.0.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18746