bug#4285: 23.1; speedbar crash

[frog]

This is happened very often,when I use speedbar to chose file to
open.The speedbar crashed with no prompt
and make the emacs closed too.


In GNU Emacs 23.1.1 (i686-pc-linux-gnu, GTK+ Version 2.14.4)
 of 2009-07-30 on Android
Windowing system distributor `The X.Org Foundation', version 11.0.10502000
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: fr_CA.UTF-8
  value of $XMODIFIERS: @im=SCIM
  locale-coding-system: utf-8-unix
  default-enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  global-linum-mode: t
  linum-mode: t
  iswitchb-mode: t
  global-auto-complete-mode: t
  auto-complete-mode: t
  tooltip-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  global-auto-composition-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
<help-echo> x M-x r e SPC <backspace> p SPC o r SPC
b SPC <return>

Recent messages:
Loading /home/frog/.xemacs/init.el (source)...done
Loading /home/frog/.xemacs/custom.el (source)...done
Loading /home/frog/.viper...done
For information about GNU Emacs and the GNU system, type C-h C-a.
viper-delete-char: Viper bell
Making completion list...