emacs crashes with tooltip-mode

[Sven Schnelle]

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Please write in English if possible, because the Emacs maintainers
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Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

Hi,

my emacs crashes, if tooltip-mode is enabled. The best way to make 
it crash is running erc with erc-tab.el. If i switch off tooltip-mode,
everything is running fine. 

A backtrace is available at: http://userv.ath.cx/emacsbacktrace

A core dump is also available, but thats to big for my uplink, ;)

Bye,

 Sven.

In GNU Emacs 21.3.50.1 (i386-pc-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2004-10-29 on apollo
Distributor `The XFree86 Project, Inc', version 11.0.40300001
configured using `configure '--host=i386-linux' '--build=i386-linux' 
'--prefix=/usr' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' 
'CFLAGS=-Wall -g -O2' 'build_alias=i386-linux' 'host_alias=i386-linux''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: de_DE
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: nil
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

Major mode: ERC

Minor modes in effect:
  erc-autojoin-mode: t
  erc-tab-mode: t
  erc-track-mode: t
  erc-netsplit-mode: t
  erc-match-mode: t
  erc-fill-mode: t
  erc-stamp-mode: t
  erc-pcomplete-mode: t
  erc-button-mode: t
  erc-services-mode: t
  erc-ring-mode: t
  erc-notify-mode: t
  display-time-mode: t
  show-paren-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
<left> <left> <left> <left> <left> <left> <left> <left> 
<left> <left> <left> <left> <left> <left> <left> <left> 
<left> <left> <left> <left> <left> <left> <left> <right> 
<right> <backspace> <backspace> <backspace> <backspace> 
<backspace> d o e s ' n t <right> <right> <right> <right> 
<right> <right> <right> <right> <right> <backspace> 
<backspace> <backspace> <right> <right> <right> <right> 
<right> <right> <right> <right> <right> <right> <right> 
<right> <right> <right> <return> <help-echo> <help-echo> 
<help-echo> <help-echo> <help-echo> <menu-bar> <buffer> 
"#emacs" <down-mouse-1> <mouse-1> <down-mouse-1> <mouse-1> 
<down-mouse-1> <mouse-1> <help-echo> <help-echo> e 
<backspace> <help-echo> <help-echo> <help-echo> M-x 
r e p o <tab> r t - m <backspace> e m <tab> <retur
n>

Recent messages:
mouse-drag-header-line: Cannot move header-line at the top of the frame
call-interactively: Beginning of buffer [2 times]
call-interactively: End of buffer [9 times]
Connecting to gaos.org:ircd... ...done
Logging in as 'svens'...
Logging in without password
Logging in as 'svens'... done
mouse-drag-header-line: Cannot move header-line at the top of the frame [2 
times]
Making completion list... [6 times]
Loading emacsbug (source)...done