From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 74580 invoked by alias); 21 Sep 2015 12:33:59 -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 74537 invoked by uid 55); 21 Sep 2015 12:33:55 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/67651] Optimizer assumes nothing can reside at address 0 despite -fno-delete-null-pointer-checks Date: Mon, 21 Sep 2015 12:33:00 -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-Version: 4.9.2 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: FIXED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-09/txt/msg01705.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67651 --- Comment #4 from Richard Biener --- Author: rguenth Date: Mon Sep 21 12:33:23 2015 New Revision: 227968 URL: https://gcc.gnu.org/viewcvs?rev=227968&root=gcc&view=rev Log: 2015-09-21 Richard Biener PR middle-end/67651 * rtlanal.c (nonzero_address_p): SYMBOL_REFs may have zero address with -fno-delete-null-pointer-checks. Modified: trunk/gcc/ChangeLog trunk/gcc/rtlanal.c