From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-452150-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 21677 invoked by alias); 21 May 2014 12:17:06 -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
Received: (qmail 21601 invoked by uid 48); 21 May 2014 12:17:03 -0000
From: "ro at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/61268] New: [4.10 regression] ICE in vt_expand_var_loc_chain, at var-tracking.c:8262
Date: Wed, 21 May 2014 12:17:00 -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-Version: 4.10.0
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: ro at gcc dot gnu.org
X-Bugzilla-Status: UNCONFIRMED
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags:
X-Bugzilla-Changed-Fields: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter cc cf_gcchost cf_gcctarget cf_gccbuild
Message-ID: <bug-61268-4@http.gcc.gnu.org/bugzilla/>
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: 2014-05/txt/msg01842.txt.bz2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61268

            Bug ID: 61268
           Summary: [4.10 regression] ICE in vt_expand_var_loc_chain, at
                    var-tracking.c:8262
           Product: gcc
           Version: 4.10.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: ro at gcc dot gnu.org
                CC: ebotcazou at gcc dot gnu.org
              Host: sparc-sun-solaris2.11
            Target: sparc-sun-solaris2.11
             Build: sparc-sun-solaris2.11

Between 20140516 (r210514) and 20140520 (r210655) a new testsuite failure
occured, both 32 and 64-bit:

FAIL: gcc.c-torture/compile/limits-fndefn.c  -O3 -g  (internal compiler error)
FAIL: gcc.c-torture/compile/limits-fndefn.c  -O3 -g  (test for excess errors)

/vol/gcc/src/hg/trunk/local/gcc/testsuite/gcc.c-torture/compile/limits-fndefn.c:19:1:
internal compiler error: in vt_expand_var_loc_chain, at var-tracking.c:8262
0x9b06d7 vt_expand_var_loc_chain
        /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8262
0x9b06d7 vt_expand_loc_callback
        /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8458
0x371903 cselib_expand_value_rtx_1
        /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1691
0x3716df cselib_expand_value_rtx_1
        /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1729
0x373193 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def*
(*)(rtx_def*, bitmap_head*, int, void*), void*)
        /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1538
0x9        /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1538
0x9afd4f vt_expand_var_loc_chain
        /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8296
0x9afd4f vt_expand_loc_callback
        /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8458
0x371903 cselib_expand_value_rtx_1
        /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1691
0x3716df cselib_expand_value_rtx_1
        /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1729
0x373193 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def*
(*)(rtx_def*, bitmap_head*, int, void*), void*)
        /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1538
0x9afd4f vt_expand_var_loc_chain
        /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8296
0x9afd4f vt_expand_loc_callback
        /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8458
0x371903 cselib_expand_value_rtx_1
        /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1691
0x373193 cselib_expand_value_rtx_cb(rtx_def*, bitmap_head*, int, rtx_def*
(*)(rtx_def*, bitmap_head*, int, void*), void*)
        /vol/gcc/src/hg/trunk/local/gcc/cselib.c:1538
0x9a43fb vt_expand_var_loc_chain
        /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8296
afd4f vt_expand_var_loc_chain
0x9a43fb vt_expand_var_loc_chain
        /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8296
0x9a43fb vt_expand_1pvar
        /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8571
0x9a43fb emit_note_insn_var_location(variable_def**, emit_note_data_def*)
        /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8625
0x9b3613 traverse_noresize<emit_note_data_def*, emit_note_insn_var_location>
        /vol/gcc/src/hg/trunk/local/gcc/hash-table.h:928
0x9b3613 traverse<emit_note_data_def*, emit_note_insn_var_location>
        /vol/gcc/src/hg/trunk/local/gcc/hash-table.h:950
0x9b3613 emit_notes_for_changes
        /vol/gcc/src/hg/trunk/local/gcc/var-tracking.c:8985