[ruby-dev:23227] (retry; 0).xxx {} dumps core

ふと気がついたのですが、[ruby-dev:19293] に書いて誰にも反応されなかっ
た例が core を吐くように挙動が変化していることに気がつきました。

% ruby -ve '(retry; 0).xxx {}'
ruby 1.9.0 (2004-03-25) [i686-linux]
-e:1: warning: statement not reached

% gdb =ruby core              
GNU gdb 5.3-debian
Copyright 2002 Free Software Foundation, Inc.
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welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-linux"...
Core was generated by `ruby -ve (retry; 0).xxx {}'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib/libcrypt.so.1...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
#0  0x080589f8 in rb_eval (self=1075632616, n=0x401bdf98) at eval.c:3216
3216                BEGIN_CALLARGS;
(gdb) where
#0  0x080589f8 in rb_eval (self=1075632616, n=0x401bdf98) at eval.c:3216
#1  0x08057e02 in rb_eval (self=1075632616, n=0x401bdf70) at eval.c:2943
#2  0x08054e3c in eval_node (self=1075632616, node=0x401bdf70) at eval.c:1285
#3  0x08055325 in ruby_exec () at eval.c:1454
#4  0x08055385 in ruby_run () at eval.c:1475
#5  0x080537e6 in main (argc=3, argv=0xbffff994, envp=0xbffff9a4) at main.c:50
#6  0x40084e3e in __libc_start_main () from /lib/libc.so.6
(gdb) 
-- 
[田中 哲][たなか あきら][Tanaka Akira]