From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11118 invoked by alias); 12 Oct 2005 20:58:07 -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 11086 invoked by uid 48); 12 Oct 2005 20:58:03 -0000 Date: Wed, 12 Oct 2005 20:58:00 -0000 Message-ID: <20051012205803.11085.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug tree-optimization/16306] [4.0/4.1 Regression] restrict and copying pointers problem In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "steven at gcc dot gnu dot org" X-SW-Source: 2005-10/txt/msg01612.txt.bz2 List-Id: ------- Comment #3 from steven at gcc dot gnu dot org 2005-10-12 20:58 ------- The patch mentioned in #2 is not sufficient anymore. copy propagation and VRP also propagate copies of this kind. And may_propagate_copy is not used in most places, and even when it _is_ used, it doesn't help because it allows this kind of copies to be performed. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=16306