From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31474 invoked by alias); 13 Apr 2013 17:53:34 -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 31427 invoked by uid 48); 13 Apr 2013 17:53:31 -0000 From: "mikpe at it dot uu.se" To: gcc-bugs@gcc.gnu.org Subject: [Bug other/56881] Miscompilation (optimisation failure?) causing NULL dereference and segfault at runtime Date: Sat, 13 Apr 2013 17:53:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: other X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: mikpe at it dot uu.se X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: CC 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/msg01372.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56881 Mikael Pettersson changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mikpe at it dot uu.se --- Comment #6 from Mikael Pettersson 2013-04-13 17:53:30 UTC --- Thanks for the complete test case. I can reproduce the apparent wrong-code (runtime SEGV) on x86_64-linux w/ glibc-2.15 with gcc 4.9-20130407 and 4.8-20130411, but not with 4.7-20130406 or 4.6-20130405.