From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10410 invoked by alias); 12 Apr 2013 11:50:26 -0000 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 Received: (qmail 10377 invoked by uid 48); 12 Apr 2013 11:50:23 -0000 From: "glisse at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/56932] [regression 4.8]: vrp and/or niter-related wrong-code bug Date: Fri, 12 Apr 2013 11:50:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: glisse at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 X-SW-Source: 2013-04/txt/msg01063.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56932 --- Comment #2 from Marc Glisse 2013-04-12 11:50:23 UTC --- The testcase in gcc.c-torture/execute/pr55875.c does seem off by 1. For i==250, i+5 is 255 and we don't exit yet (that happens for 251) but we do write to the array. Increasing the size of the array to 251 is enough.