[ruby-list:5972] [BUG?] singleton object

    silver% ruby
    class Foo
    end
    foo = Foo.new
    class << foo
      def foo
        print "foo\n"
      end
    end
    foo.foo
    -:5: [BUG] Segmentation fault
    zsh: 27780 IOT instruction  ruby

  ....これはあんまりうれしくないバグですよね?
 （on ruby-1.1b5 sparc-solaris2.4）

    Program received signal SIGSEGV, Segmentation fault.
    st_lookup (table=0x0, key=0x1f09 <Address 0x1f09 out of bounds>, 
        value=0xeffff13c) at st.c:129
    129         hash_val = do_hash(key, table);
    (gdb) where
    #0  st_lookup (table=0x0, key=0x1f09 <Address 0x1f09 out of bounds>, 
        value=0xeffff13c) at st.c:129
    #1  0x1f388 in search_method (class=711704, id=7945, origin=0xeffff220)
        at eval.c:125
    #2  0x23680 in rb_eval (self=711704, node=0xaddb0) at eval.c:2109
    #3  0x242dc in module_setup (module=0, node=0xadd68) at eval.c:2368
    #4  0x23ffc in rb_eval (self=764624, node=0xadd50) at eval.c:2298
    #5  0x21720 in rb_eval (self=764624, node=0xadd20) at eval.c:1416
    #6  0x20128 in eval_node (self=764624) at eval.c:783
    #7  0x201f8 in ruby_run () at eval.c:814
    #8  0x16af4 in main (argc=1, argv=0xeffff874, envp=0xeffff87c) at #main.c:32
    
  だそうです.

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  柳川 @ 情報システム学研究科 . 電気通信大学
  [e-mail]                             January 22nd, 1998.  
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