[Bug bootstrap/55792] Bad memory access with profiledbootstrap and LTO

[hjl.tools at gmail dot com]

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