Bug #953: 深い入れ子の配列の取り扱いで落ちる
http://redmine.ruby-lang.org/issues/show/953

起票者: tadayoshi funaba
ステータス: Open, 優先度: Normal

以下のスクリプトを実行すると Segmentation fault で落ちました。

$ cat ./nest.rb 
a = [0]
10000.times do
  a = [a]
end
p a

$ ./ruby -v ./nest.rb 
ruby 1.9.1 (2008-12-30 patchlevel-5000 trunk 21202) [i686-linux]
Segmentation fault

(gdb) bt
#0  0x08111407 in vm_get_ruby_level_next_cfp (th=0x81ae758, cfp=0xb7c734a8)
    at vm.c:131
#1  0x0811159b in rb_sourceline () at vm.c:757
#2  0x0814ead7 in rb_bug (fmt=0x81737d3 "Segmentation fault") at error.c:230
#3  0x080d49e6 in sigsegv (sig=11, info=0x82152fc, ctx=0x821537c)
    at signal.c:600
#4  <signal handler called>
#5  frame_func_id (cfp=0xb7c734a8) at eval.c:730
#6  0x0812696a in rb_exec_recursive (func=0x812d040 <inspect_ary>, 
    obj=135994660, arg=0) at thread.c:3237
#7  0x0812d01a in rb_ary_inspect (ary=4) at array.c:1574
#8  0x0811d854 in vm_call0 (th=0x81ae758, klass=136124880, recv=135994660, 
    id=760, oid=760, argc=0, argv=0x0, body=0x81d1818, nosuper=0)
    at vm_eval.c:70
#9  0x0811ddb2 in rb_funcall (recv=<value optimized out>, mid=760, n=0)
    at vm_eval.c:248
#10 0x080840aa in rb_inspect (obj=135994660) at object.c:312
#11 0x0812d0f3 in inspect_ary (ary=135994500, dummy=0, recur=0) at array.c:1550
#12 0x08126b5f in rb_exec_recursive (func=0x812d040 <inspect_ary>, 
    obj=135994500, arg=0) at thread.c:3273
#13 0x0812d01a in rb_ary_inspect (ary=4) at array.c:1574
#14 0x0811d854 in vm_call0 (th=0x81ae758, klass=136124880, recv=135994500, 
    id=760, oid=760, argc=0, argv=0x0, body=0x81d1818, nosuper=0)
---Type <return> to continue, or q <return> to quit---


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