From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 22839 invoked by alias); 9 Aug 2002 19:05:01 -0000 Mailing-List: contact gcc-prs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-prs-owner@gcc.gnu.org Received: (qmail 22818 invoked by uid 61); 9 Aug 2002 19:05:00 -0000 Date: Fri, 09 Aug 2002 13:46:00 -0000 Message-ID: <20020809190500.22817.qmail@sources.redhat.com> To: gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, js@convergence.de, nobody@gcc.gnu.org From: sirl@gcc.gnu.org Reply-To: sirl@gcc.gnu.org, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, js@convergence.de, nobody@gcc.gnu.org, gcc-gnats@gcc.gnu.org Subject: Re: optimization/7557: gcc-3.1.1 (debian/i386): wrong code with -O2 / bitfields / pointer aliasing X-SW-Source: 2002-08/txt/msg00199.txt.bz2 List-Id: Synopsis: gcc-3.1.1 (debian/i386): wrong code with -O2 / bitfields / pointer aliasing State-Changed-From-To: open->closed State-Changed-By: sirl State-Changed-When: Fri Aug 9 12:05:00 2002 State-Changed-Why: You have written undefined C code (hint: the compiler is free to assume that fs, *f and *p are diffrent objects), either fixup your code or compile with -fno-strict-aliasing. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=7557