From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32015 invoked by alias); 17 Nov 2002 14:28:10 -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 31993 invoked by uid 61); 17 Nov 2002 14:28:07 -0000 Date: Fri, 22 Nov 2002 11:26:00 -0000 Message-ID: <20021117142807.31992.qmail@sources.redhat.com> To: gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org, wagnerjd@prodigy.net From: fw@gcc.gnu.org Reply-To: fw@gcc.gnu.org, gcc-bugs@gcc.gnu.org, gcc-prs@gcc.gnu.org, nobody@gcc.gnu.org, wagnerjd@prodigy.net, gcc-gnats@gcc.gnu.org Subject: Re: optimization/8537: Optimizer Removes Code Necessary for Security X-SW-Source: 2002-11/txt/msg00850.txt.bz2 List-Id: Synopsis: Optimizer Removes Code Necessary for Security State-Changed-From-To: open->closed State-Changed-By: fw State-Changed-When: Sun Nov 17 06:28:05 2002 State-Changed-Why: This is not a bug in GCC. The call to memset() clear hasn't any externally visible effect according to the C language specification, so it can be removed by the optimizer. See the discussion around http://gcc.gnu.org/ml/gcc/2002-01/msg00518.html for additional information on a very similar topic. http://gcc.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&database=gcc&pr=8537