From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-399913-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 31018 invoked by alias); 2 Sep 2012 10:49:47 -0000
Received: (qmail 31009 invoked by uid 22791); 2 Sep 2012 10:49:46 -0000
X-SWARE-Spam-Status: No, hits=-4.3 required=5.0	tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED,TW_ZJ
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; Sun, 02 Sep 2012 10:49:34 +0000
From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/54455] [4.7/4.8 Regression] ICE: RTL check: expected elt 3 type 'B', have '0' (rtx barrier) in compute_bb_for_insn, at cfgrtl.c:418
Date: Sun, 02 Sep 2012 10:49:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: rtl-optimization
X-Bugzilla-Keywords: ice-on-valid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: ubizjak at gmail dot com
X-Bugzilla-Status: NEW
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 4.7.2
X-Bugzilla-Changed-Fields: Status Last reconfirmed Target Milestone Ever Confirmed
Message-ID: <bug-54455-4-CU8j5jYjgr@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-54455-4@http.gcc.gnu.org/bugzilla/>
References: <bug-54455-4@http.gcc.gnu.org/bugzilla/>
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: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2012-09/txt/msg00079.txt.bz2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54455

Uros Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2012-09-02
   Target Milestone|---                         |4.7.2
     Ever Confirmed|0                           |1

--- Comment #1 from Uros Bizjak <ubizjak at gmail dot com> 2012-09-02 10:49:33 UTC ---
Patch:

Index: cfgrtl.c
===================================================================
--- cfgrtl.c    (revision 190857)
+++ cfgrtl.c    (working copy)
@@ -415,7 +415,8 @@ compute_bb_for_insn (void)

       for (insn = BB_HEAD (bb); ; insn = NEXT_INSN (insn))
        {
-         BLOCK_FOR_INSN (insn) = bb;
+         if (!BARRIER_P (insn))
+           BLOCK_FOR_INSN (insn) = bb;
          if (insn == end)
            break;
        }