From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18075 invoked by alias); 27 Nov 2009 16:48:18 -0000 Received: (qmail 18050 invoked by uid 48); 27 Nov 2009 16:48:05 -0000 Date: Fri, 27 Nov 2009 16:48:00 -0000 Message-ID: <20091127164805.18049.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug c++/42197] g++ 4.1.2 on x86_64 gives differing results in O0, O1 and O2, O3 In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "paolo dot carlini at oracle dot com" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2009-11/txt/msg02381.txt.bz2 ------- Comment #1 from paolo dot carlini at oracle dot com 2009-11-27 16:48 ------- 4.1.x is very old and not maintained anymore. Try something more recent, eg, 4.4.x, and, before reporting anything make sure you are not violating aliasing rules (double check if the result changes with -fno-strict-aliasing and whether -Wstrict-aliasing triggers any warnings, actually it **does**...) -- paolo dot carlini at oracle dot com changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42197