From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5003 invoked by alias); 9 Mar 2006 23:31:46 -0000 Received: (qmail 4972 invoked by alias); 9 Mar 2006 23:31:42 -0000 Date: Thu, 09 Mar 2006 23:31:00 -0000 Message-ID: <20060309233142.4971.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/26626] [4.2 Regression] ICE in in add_virtual_operand In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "dberlin at dberlin dot org" 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 X-SW-Source: 2006-03/txt/msg01014.txt.bz2 List-Id: ------- Comment #4 from dberlin at gcc dot gnu dot org 2006-03-09 23:31 ------- Subject: Re: [4.2 Regression] ICE in in add_virtual_operand On Thu, 2006-03-09 at 22:54 +0000, pinskia at gcc dot gnu dot org wrote: > > ------- Comment #3 from pinskia at gcc dot gnu dot org 2006-03-09 22:54 ------- > The difference between copyprop and before is the following. > Before: > rv.0_3 = rv.0_2; > # VUSE ; > D.1900_4 = rv.0_3->d; > > After: > rv.0_3 = rv.0_2; > # VUSE ; > D.1900_4 = rv.0_2->d; This is nonsensical, and very bad. > > -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26626