From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21347 invoked by alias); 4 Jul 2007 23:35:41 -0000 Received: (qmail 20927 invoked by uid 48); 4 Jul 2007 23:34:36 -0000 Date: Wed, 04 Jul 2007 23:35:00 -0000 Message-ID: <20070704233435.20926.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/32628] [4.3 Regression] bogus integer overflow warning In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "pinskia at gcc dot gnu dot org" 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: 2007-07/txt/msg00587.txt.bz2 ------- Comment #1 from pinskia at gcc dot gnu dot org 2007-07-04 23:34 ------- A simple example is: void *f(void) { char *a = ((char*)0)+(unsigned long long)(-1); return a; } This is caused by pointer_plus so mine. -- pinskia at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |pinskia at gcc dot gnu dot |dot org |org Status|UNCONFIRMED |ASSIGNED Component|c |middle-end Ever Confirmed|0 |1 Keywords| |diagnostic Last reconfirmed|0000-00-00 00:00:00 |2007-07-04 23:34:35 date| | Summary|bogus integer overflow |[4.3 Regression] bogus |warning |integer overflow warning Target Milestone|--- |4.3.0 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32628