Running the following on ruby 1.5.3 (2000-04-11) [i686-linux]

    callcc {|cont|
      for i in 0..4
        print "\n#{i}: "
        for j in i*5...(i+1)*5
          cont.call() if j == 17
          printf "%3d", j
        end
      end
    }
    print "\n"

I get


    0:   0  1  2  3  4
    1:   5  6  7  8  9
    2:  10 11 12 13 14
    3:  15 16
    t.rb:10: [BUG] Segmentation fault
    zsh: abort      ruby -w t.rb

The backtrace is

   #0  0x4008bab1 in __kill () from /lib/libc.so.6
   (gdb) bt
   #0  0x4008bab1 in __kill () from /lib/libc.so.6
   #1  0x4008b6bf in raise (sig=6) at ../sysdeps/posix/raise.c:27
   #2  0x4008cef3 in abort () at ../sysdeps/generic/abort.c:88
   #3  0x80afa0d in rb_bug (fmt=0x80c3aca "Segmentation fault") at error.c:162
   #4  0x80978ed in sigsegv (sig=11) at signal.c:372
   #5  0x4008b9b8 in __restore ()
       at ../sysdeps/unix/sysv/linux/i386/sigaction.c:125
   #6  0x806595b in rb_gc_call_finalizer_at_exit () at gc.c:1198
   #7  0x8051cba in ruby_run () at eval.c:1113
   #8  0x80504ac in main (argc=3, argv=0xbffff5d4, envp=0xbffff5e4) at main.c:39


Let me know if you need any stack info.


Dave