From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32720 invoked by alias); 10 Mar 2011 23:09:35 -0000 Received: (qmail 32707 invoked by uid 22791); 10 Mar 2011 23:09:34 -0000 X-SWARE-Spam-Status: No, hits=-2.8 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Thu, 10 Mar 2011 23:09:28 +0000 From: "burnus at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/48066] [4.3/4.4/4.5/4.6 Regression] Segfault with SUM of zero-sized array X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: fortran X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: burnus at gcc dot gnu.org 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 Date: Thu, 10 Mar 2011 23:09:00 -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 X-SW-Source: 2011-03/txt/msg01066.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48066 Tobias Burnus changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |tkoenig at gcc dot gnu.org --- Comment #1 from Tobias Burnus 2011-03-10 23:09:15 UTC --- Valgrind: ==9860== Invalid write of size 8 ==9860== at 0x4EAB980: _gfortran_sum_r8 (sum_r8.c:147) ==9860== by 0x400955: MAIN__ (test.f90:3) >>From libgfortran/generated/sum_r8.f90: dest = retarray->data; [...] if (len <= 0) *dest = 0; which fails if dest == NULL