[Bug ada/24994] raised STORAGE_ERROR : stack overflow or erroneous memory access

["danglin at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #14 from danglin at gcc dot gnu dot org  2006-01-06 01:29 -------
(gdb) r `cat xx.sh`
Starting program: /home/dave/gcc-4.2/objdir/gcc/gnat1 `cat xx.sh`

Program received signal SIGSEGV, Segmentation fault.
0x0042a09c in gt_ggc_mx_basic_block_def (x_p=Variable "x_p" is not available.
) at gtype-desc.c:460
460       while (x != xlimit)
(gdb) bt
#0  0x0042a09c in gt_ggc_mx_basic_block_def (x_p=Variable "x_p" is not
available.
) at gtype-desc.c:460
#1  0x0042c5a4 in gt_ggc_mx_tree_ann_d (x_p=Variable "x_p" is not available.
) at gtype-desc.c:386
#2  0x0003ac64 in gt_ggc_mx_lang_tree_node (x_p=0x400bea50) at gtype-ada.h:333
#3  0x00426af8 in gt_ggc_m_P15throw_stmt_node4htab (x_p=Variable "x_p" is not
available.
) at gtype-desc.c:1549
#4  0x0042c31c in gt_ggc_mx_function (x_p=Variable "x_p" is not available.
) at gtype-desc.c:623
#5  0x0003a52c in gt_ggc_mx_lang_tree_node (x_p=0x4157b700) at gtype-ada.h:279
#6  0x00039ef8 in gt_ggc_mx_lang_tree_node (x_p=0x419d12c0) at gtype-ada.h:166
#7  0x0042ab30 in gt_ggc_mx_rtx_def (x_p=0x42508790) at gtype-desc.c:1258
#8  0x00312dac in gt_ggc_ma_reg_known_value (x_p=Variable "x_p" is not
available.
) at gt-alias.h:367
#9  0x004212a8 in ggc_mark_roots () at ../../gcc/gcc/ggc-common.c:118
#10 0x0050697c in ggc_collect () at ../../gcc/gcc/ggc-page.c:1880
#11 0x0036732c in cse_main (f=Variable "f" is not available.
) at ../../gcc/gcc/cse.c:6856
#12 0x00367408 in rest_of_handle_cse2 () at ../../gcc/gcc/cse.c:7856
#13 0x0050818c in execute_one_pass (pass=0x784bf4)
    at ../../gcc/gcc/passes.c:845
#14 0x005082b4 in execute_pass_list (pass=0x784bf4)
    at ../../gcc/gcc/passes.c:877
#15 0x005082c8 in execute_pass_list (pass=0x7858a0)
    at ../../gcc/gcc/passes.c:878
#16 0x002c3204 in tree_rest_of_compilation (fndecl=0x4157b700)
    at ../../gcc/gcc/tree-optimize.c:419
#17 0x00035de0 in gnat_expand_body (gnu_decl=0x4157b700)
    at ../../gcc/gcc/ada/misc.c:649
---Type <return> to continue, or q <return> to quit---
#18 0x0054a22c in cgraph_expand_function (node=0x41a0a200)
    at ../../gcc/gcc/cgraphunit.c:1055
#19 0x0054c99c in cgraph_optimize () at ../../gcc/gcc/cgraphunit.c:1121
#20 0x00036828 in gnat_parse_file (set_yydebug=Variable "set_yydebug" is not
available.
)
    at ../../gcc/gcc/ada/misc.c:245
#21 0x004d5f88 in toplev_main (argc=Variable "argc" is not available.
) at ../../gcc/gcc/toplev.c:990
#22 0x408326e4 in __libc_start_main () from /lib/libc.so.6
#23 0x0001b828 in _start () at ../sysdeps/hppa/elf/start.S:84
(gdb) disass 0x0042a07c 0x0042a0bc
Dump of assembler code from 0x42a07c to 0x42a0bc:
0x0042a07c <gt_ggc_mx_basic_block_def+196>:     b,l 0x40a884 <fold+2444>,rp
0x0042a080 <gt_ggc_mx_basic_block_def+200>:     nop
0x0042a084 <gt_ggc_mx_basic_block_def+204>:     ldw 2c(,r4),r26
0x0042a088 <gt_ggc_mx_basic_block_def+208>:     cmpib,=,n 0,r26,0x42a094
<gt_ggc_mx_basic_block_def+220>
0x0042a08c <gt_ggc_mx_basic_block_def+212>:     b,l 0x429f34
<gt_ggc_mx_edge_prediction>,rp
0x0042a090 <gt_ggc_mx_basic_block_def+216>:     nop
0x0042a094 <gt_ggc_mx_basic_block_def+220>:     ldw 20(,r4),r4
0x0042a098 <gt_ggc_mx_basic_block_def+224>:     cmpb,<>,n r5,r4,0x42a020
<gt_ggc_mx_basic_block_def+104>
0x0042a09c <gt_ggc_mx_basic_block_def+228>:     ldw 0(,r4),r26
0x0042a0a0 <gt_ggc_mx_basic_block_def+232>:     ldw -54(,sp),rp
0x0042a0a4 <gt_ggc_mx_basic_block_def+236>:     ldw -3c(,sp),r4
0x0042a0a8 <gt_ggc_mx_basic_block_def+240>:     ldw -38(,sp),r3
0x0042a0ac <gt_ggc_mx_basic_block_def+244>:     bv r0(rp)
0x0042a0b0 <gt_ggc_mx_basic_block_def+248>:     ldw,mb -40(,sp),r5
0x0042a0b4 <gt_ggc_mx_basic_block_def+252>:     b,l 0x40ae04 <fold+3852>,rp
0x0042a0b8 <gt_ggc_mx_basic_block_def+256>:     copy r3,r26
End of assembler dump.
(gdb) p/x $r4
$1 = 0x0


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=24994