From: Tanaka Akira <akr@...17n.org>
Date: 2004-10-25T00:00:17+09:00
Subject: [ruby-dev:24587] raise dumps core again

次のようにすると core を吐きます。

% ./ruby -e '
begin
  raise "xxx"
rescue => e 
  p e
  def e.backtrace
    //
  end
  raise e
end
'
#<RuntimeError: xxx>
-e:9: [BUG] Segmentation fault
ruby 1.9.0 (2004-10-24) [i686-linux]

zsh: abort (core dumped)  ./ruby -e 
% gdb ruby core 
GNU gdb 6.1-debian
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
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"...Using host libthread_db library "/lib/libthread_db.so.1".

Core was generated by `./ruby -e 
begin
  raise "xxx"
rescue => e
  p e
  def e.backtrace
    //
  end'.
Program terminated with signal 6, Aborted.
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  0x4009e741 in kill () from /lib/libc.so.6
(gdb) bt
#0  0x4009e741 in kill () from /lib/libc.so.6
#1  0x4009e4c5 in raise () from /lib/libc.so.6
#2  0x4009fa08 in abort () from /lib/libc.so.6
#3  0x080d2576 in rb_bug (fmt=0x0) at error.c:214
#4  0x080b0502 in sigsegv (sig=11) at signal.c:446
#5  <signal handler called>
#6  error_print () at eval.c:1126
#7  0x08055501 in error_handle (ex=6) at eval.c:1350
#8  0x0805578b in ruby_cleanup (ex=6) at eval.c:1432
#9  0x080558f1 in ruby_stop (ex=135503696) at eval.c:1482
#10 0x0805593f in ruby_run () at eval.c:1494
#11 0x080539c5 in main (argc=135503696, argv=0x8139f50, envp=0xbffff944) at main.c:38
(gdb) 
-- 
[田中 哲][たなか あきら][Tanaka Akira]