From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-405291-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 1827 invoked by alias); 31 Oct 2012 16:40:13 -0000
Received: (qmail 429 invoked by uid 48); 31 Oct 2012 16:39:50 -0000
From: "rmansfield at qnx dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/55150] New: Crash in copy_rtx
Date: Wed, 31 Oct 2012 16:40:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: middle-end
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: rmansfield at qnx dot com
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-55150-4@http.gcc.gnu.org/bugzilla/>
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
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: 2012-10/txt/msg02967.txt.bz2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D55150

             Bug #: 55150
           Summary: Crash in copy_rtx
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: rmansfield@qnx.com
                CC: vmakarov@redhat.com


Created attachment 28581
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=3D28581
preprocessed src

It appears this regression was introduced during the LRA merge:

http://gcc.gnu.org/viewcvs?view=3Drevision&revision=3D192719

$ ./xgcc -B. -Os -g ~/ice.i -m32
/home/ryan/ice.i: In function =E2=80=98Camellia_Ekeygen=E2=80=99:
/home/ryan/ice.i:68:3: internal compiler error: in copy_rtx, at rtl.c:323
   }
   ^
0x890190 copy_rtx(rtx_def*)
    ../../gcc/rtl.c:323
0x800628 remove_pseudos
    ../../gcc/lra-spills.c:435
0x800693 remove_pseudos
    ../../gcc/lra-spills.c:443
0x800693 remove_pseudos
    ../../gcc/lra-spills.c:443
0x800693 remove_pseudos
    ../../gcc/lra-spills.c:443
0x800693 remove_pseudos
    ../../gcc/lra-spills.c:443
0x800c73 spill_pseudos
    ../../gcc/lra-spills.c:481
0x800c73 lra_spill()
    ../../gcc/lra-spills.c:568
0x7ec984 lra(_IO_FILE*)
    ../../gcc/lra.c:2327
0x7b4326 do_reload
    ../../gcc/ira.c:4624
0x7b4326 rest_of_handle_reload
    ../../gcc/ira.c:4736
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.