From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20012 invoked by alias); 10 Oct 2014 11:05:18 -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 19770 invoked by uid 55); 10 Oct 2014 11:05:14 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/63476] [5 Regression] ICE: tree check: expected ssa_name, have var_decl in walk_aliased_vdefs_1, at tree-ssa-alias.c:2689 Date: Fri, 10 Oct 2014 11:05:00 -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-Version: 5.0 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: 5.0 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: 2014-10/txt/msg00763.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63476 --- Comment #3 from Richard Biener --- Author: rguenth Date: Fri Oct 10 11:04:39 2014 New Revision: 216065 URL: https://gcc.gnu.org/viewcvs?rev=216065&root=gcc&view=rev Log: 2014-10-10 Richard Biener PR tree-optimization/63476 * tree-ssa-pre.c (struct bb_bitmap_sets): Add vop_on_exit member. (BB_LIVE_VOP_ON_EXIT): New define. (create_expression_by_pieces): Assign VUSEs to stmts. (compute_avail): Track BB_LIVE_VOP_ON_EXIT. (pass_pre::execute): Assert virtual SSA form is up-to-date after insertion. * g++.dg/torture/pr63476.C: New testcase. Added: trunk/gcc/testsuite/g++.dg/torture/pr63476.C Modified: trunk/gcc/ChangeLog trunk/gcc/testsuite/ChangeLog trunk/gcc/tree-ssa-pre.c