From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15521 invoked by alias); 15 Oct 2012 11:28:36 -0000 Received: (qmail 15411 invoked by uid 55); 15 Oct 2012 11:28:20 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/54920] [4.8 Regression] segfault in tree-ssa-pre.c during Firefox build Date: Mon, 15 Oct 2012 11:28:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.0 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 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: 2012-10/txt/msg01395.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54920 --- Comment #4 from Richard Biener 2012-10-15 11:28:20 UTC --- Author: rguenth Date: Mon Oct 15 11:28:15 2012 New Revision: 192455 URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192455 Log: 2012-10-15 Richard Guenther PR tree-optimization/54920 * tree-ssa-pre.c (create_expression_by_pieces): Properly allocate temporary storage for all NARY elements. * gcc.dg/torture/pr54920.c: New testcase. Added: branches/gcc-4_7-branch/gcc/testsuite/gcc.dg/torture/pr54920.c Modified: branches/gcc-4_7-branch/gcc/ChangeLog branches/gcc-4_7-branch/gcc/testsuite/ChangeLog branches/gcc-4_7-branch/gcc/tree-ssa-pre.c