------- Comment #2 from hjl at lucon dot org 2007-12-17 19:04 -------
Created an attachment (id=14786)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14786&action=view)
Dump files.
Here are dump files. I think there may be some memory corruptions:
GGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Compiler executable checksum: f98be6b5bc4201f3bb3844a43442bc6b
Program received signal SIGSEGV, Segmentation fault.
0x000000000080ae61 in safe_cond_expr_check (slot=0x10384c0, data=0x7fbffff254)
at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/ipa-struct-reorg.c:3081
3081 if (TREE_CODE (acc->stmt) == COND_EXPR)
(gdb) list
3076 static int
3077 safe_cond_expr_check (void **slot, void *data)
3078 {
3079 struct access_site *acc = *(struct access_site **) slot;
3080
3081 if (TREE_CODE (acc->stmt) == COND_EXPR)
3082 {
3083 if (!is_safe_cond_expr (acc->stmt))
3084 {
3085 if (dump_file)
(gdb) p acc
$1 = (struct access_site *) 0x70
(gdb) bt
#0 0x000000000080ae61 in safe_cond_expr_check (slot=0x10384c0,
data=0x7fbffff254)
at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/ipa-struct-reorg.c:3081
#1 0x0000000000ab5c8c in htab_traverse_noresize (htab=0x103fba0,
callback=0x80ae42 <safe_cond_expr_check>, info=0x7fbffff254)
at /net/gnu-13/export/gnu/src/gcc/gcc/libiberty/hashtab.c:750
#2 0x0000000000ab5cfb in htab_traverse (htab=0x103fba0,
callback=0x80ae42 <safe_cond_expr_check>, info=0x7fbffff254)
at /net/gnu-13/export/gnu/src/gcc/gcc/libiberty/hashtab.c:765
#3 0x000000000080bd49 in check_cond_exprs ()
at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/ipa-struct-reorg.c:3547
#4 0x000000000080c535 in collect_data_accesses ()
at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/ipa-struct-reorg.c:3830
#5 0x000000000080c71a in reorg_structs ()
at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/ipa-struct-reorg.c:3944
#6 0x000000000080c739 in reorg_structs_drive ()
at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/ipa-struct-reorg.c:3967
#7 0x00000000005e2530 in execute_one_pass (pass=0xf307a0)
at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/passes.c:1118
#8 0x00000000005e26ef in execute_ipa_pass_list (pass=0xf307a0)
at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/passes.c:1187
#9 0x00000000007fa210 in ipa_passes ()
at /net/gnu-13/export/gnu/src/gcc/gcc/gcc/cgraphunit.c:1339
BTW, I configured gcc with --enable-checking=assert.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34472
