From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-410618-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 23602 invoked by alias); 22 Dec 2012 20:13:09 -0000
Received: (qmail 23554 invoked by uid 48); 22 Dec 2012 20:12:50 -0000
From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug bootstrap/55792] Bad memory access with profiledbootstrap and LTO
Date: Sat, 22 Dec 2012 20:13:00 -0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: bootstrap
X-Bugzilla-Keywords:
X-Bugzilla-Severity: normal
X-Bugzilla-Who: hjl.tools 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: ---
X-Bugzilla-Changed-Fields:
Message-ID: <bug-55792-4-izuG5r60bv@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-55792-4@http.gcc.gnu.org/bugzilla/>
References: <bug-55792-4@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: 2012-12/txt/msg02226.txt.bz2


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55792

--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2012-12-22 20:12:50 UTC ---
ASAN:SIGSEGV
=================================================================
==19402== ERROR: AddressSanitizer: SEGV on unknown address 0x000000000008 (pc
0x00000067ce31 sp 0x7ffff81baa60 bp 0x000001000000 T0)
AddressSanitizer can not provide additional info.
    #0 0x67ce30
(/export/build/gnu/gcc-lto-fdo-asan/build-x86_64-linux/prev-gcc/lto1+0x67ce30)

gnu-mic-2:pts/0[235]> addr2line -e lto1  0x67ce30
/export/gnu/import/git/gcc-misc/gcc/ggc-page.c:594
gnu-mic-2:pts/0[236]> 

Also

../../src-trunk/gcc/df-core.c: In function 'df_analyze':
../../src-trunk/gcc/df-core.c:1269:1: internal compiler error: Segmentation
fault
 }
 ^
0xb3adf7 crash_signal
    ../../src-trunk/gcc/toplev.c:334
0x546c3a lookup_page_table_entry
    ../../src-trunk/gcc/ggc-page.c:594
0x546c3a ggc_set_mark(void const*)
    ../../src-trunk/gcc/ggc-page.c:1477
0x8b65cf gt_ggc_mx_dw_loc_descr_struct(void*)
    /export/gnu/import/git/gcc-test-profile/bld/gcc/gtype-desc.c:390
0x8b65f8 gt_ggc_mx_dw_loc_descr_struct(void*)
    /export/gnu/import/git/gcc-test-profile/bld/gcc/gtype-desc.c:392
0x694b98 gt_ggc_mx_dw_loc_list_struct(void*)
    ./gt-dwarf2out.h:371
0x6a51d1 gt_ggc_mx(dw_attr_struct&)
    ./gt-dwarf2out.h:181
0x6a4d02 gt_ggc_mx<dw_attr_struct>
    ../../src-trunk/gcc/vec.h:1141
0x6a4d02 gt_ggc_mx_vec_dw_attr_node_va_gc_
    ./gt-dwarf2out.h:164
0x6a4d02 gt_ggc_mx_die_struct(void*)
    ./gt-dwarf2out.h:398
0x6a4b8d gt_ggc_mx_die_struct(void*)
    ./gt-dwarf2out.h:400
0x5039d2 gt_ggc_mx_lang_tree_node(void*)
    ./gtype-lto.h:369
0x503509 gt_ggc_mx_lang_tree_node(void*)
    ./gtype-lto.h:55
0x503937 gt_ggc_mx_lang_tree_node(void*)
    ./gtype-lto.h:357
0x503509 gt_ggc_mx_lang_tree_node(void*)
    ./gtype-lto.h:55
0x503919 gt_ggc_mx_lang_tree_node(void*)
    ./gtype-lto.h:356
0x503973 gt_ggc_mx_lang_tree_node(void*)
    ./gtype-lto.h:359
0x5038e5 gt_ggc_mx_lang_tree_node(void*)
    ./gtype-lto.h:354
0x501f1d gt_ggc_mx_lang_tree_node(void*)
    ./gtype-lto.h:263
0x8b7615 gt_ggc_mx_symtab_node_def(void*)
    /export/gnu/import/git/gcc-test-profile/bld/gcc/gtype-desc.c:708