From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-333679-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 28373 invoked by alias); 13 Oct 2010 11:28:56 -0000
Received: (qmail 28220 invoked by uid 22791); 13 Oct 2010 11:28:55 -0000
X-SWARE-Spam-Status: No, hits=-2.6 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; Wed, 13 Oct 2010 11:28:47 +0000
From: "zsojka at seznam dot cz" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/46002] New: ICE: in update_copy_costs, at ira-color.c:319 with -fira-algorithm=priority
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: rtl-optimization
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: zsojka at seznam dot cz
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:
Message-ID: <bug-46002-4@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
Date: Wed, 13 Oct 2010 11:28:00 -0000
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: 2010-10/txt/msg01068.txt.bz2

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46002

           Summary: ICE: in update_copy_costs, at ira-color.c:319 with
                    -fira-algorithm=priority
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: rtl-optimization
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: zsojka@seznam.cz


Created attachment 22028
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=22028
reduced testcase

Command line:
$ gcc -fira-algorithm=priority -Os pr46002.c

Compiler output:
$ gcc -fira-algorithm=priority -Os pr46002.c 
pr46002.c: In function 'foo':
pr46002.c:9:1: internal compiler error: in update_copy_costs, at
ira-color.c:319
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

Tested revisions:
r165354 - crash
r153685 - crash
4.4 r149995 - crash