emacs crushes when pressing the "read an existing file into ..." button on toolb

[emacs user]

emacs crushes when pressing the "read an existing file into an emacs
buffer" button on the toolbar, or the "open directory and operate etc"
button.

/usr/local/emacs/src $ gdb emacs
GNU gdb Red Hat Linux (5.3post-0.20021129.18rh)
Copyright 2003 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-redhat-linux-gnu"...
DISPLAY = :0.0
TERM = dumb
Breakpoint 1 at 0x8115316: file emacs.c, line 442.
Breakpoint 2 at 0x80f44c4: file xterm.c, line 7781.
(gdb) run -q --no-site-file
Starting program: /usr/local/emacs/src/emacs -q --no-site-file

Program received signal SIGSEGV, Segmentation fault.
0x403bdf12 in g_type_check_instance_is_a () from 
/usr/lib/libgobject-2.0.so.0
(gdb) xbacktrace
"read-file-name"
"find-file-read-args"
"call-interactively"
(gdb) backtrace
#0  0x403bdf12 in g_type_check_instance_is_a () from 
/usr/lib/libgobject-2.0.so.0
#1  0x401e45fd in gtk_widget_set_name () from /usr/lib/libgtk-x11-2.0.so.0
#2  0x0811212e in xg_get_file_name (f=0xd080,
   prompt=0x8203f18 "Find existing file: ",
   default_filename=0x853244c "/usr/local/emacs/src/", mustmatch_p=1,
   only_dir_p=0) at gtkutil.c:1335
#3  0x080ff3ed in Fx_file_dialog (prompt=136331016, dir=138276547,
   default_filename=138276544, mustmatch=137487929, only_dir_p=137487881)
   at xfns.c:5317
#4  0x08143dc2 in Fread_file_name (prompt=136331019, dir=138276547,
   default_filename=138276547, mustmatch=137487929, initial=137487881,
   predicate=137487881) at fileio.c:6343
#5  0x0817270f in Ffuncall (nargs=5, args=0xbfffdec0) at eval.c:2773
#6  0x08197f18 in Fbyte_code (bytestr=137868825, vector=4, 
maxdepth=-1073750208)
   at bytecode.c:686
#7  0x081729a5 in funcall_lambda (fun=136329844, nargs=2, 
arg_vector=0xbfffe000)
   at eval.c:2944
#8  0x08172847 in apply_lambda (fun=136329844, args=137487929, eval_flag=1)
   at eval.c:2866
#9  0x08171be8 in Feval (form=136329844) at eval.c:2170
#10 0x0816f0a1 in Fcall_interactively (function=137853665,
---Type <return> to continue, or q <return> to quit---
   record_flag=137487881, keys=137544764) at callint.c:383
#11 0x08122697 in Fcommand_execute (cmd=137853665, record_flag=137487881,
   keys=137487881, special=137487881) at keyboard.c:9679
#12 0x08118197 in command_loop_1 () at keyboard.c:1779
#13 0x08170c9a in internal_condition_case (bfun=0x8117e60 <command_loop_1>,
   handlers=137548857, hfun=0x81179e4 <cmd_error>) at eval.c:1367
#14 0x08117ce6 in command_loop_2 () at keyboard.c:1309
#15 0x08170841 in internal_catch (tag=53376, func=0x8117cc8 
<command_loop_2>,
   arg=137487881) at eval.c:1128
#16 0x08117c9d in command_loop () at keyboard.c:1288
#17 0x0811779c in recursive_edit_1 () at keyboard.c:981
#18 0x081178bc in Frecursive_edit () at keyboard.c:1042
#19 0x081160a7 in main (argc=3, argv=0xbfffe904) at emacs.c:1736
#20 0x42015704 in __libc_start_main () from /lib/tls/libc.so.6
(gdb) /usr/local/emacs/src $ gdb emacs
GNU gdb Red Hat Linux (5.3post-0.20021129.18rh)
Copyright 2003 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-redhat-linux-gnu"...
DISPLAY = :0.0
TERM = dumb
Breakpoint 1 at 0x8115316: file emacs.c, line 442.
Breakpoint 2 at 0x80f44c4: file xterm.c, line 7781.
(gdb) run -q --no-site-file
Starting program: /usr/local/emacs/src/emacs -q --no-site-file

Program received signal SIGSEGV, Segmentation fault.
0x403bdf12 in g_type_check_instance_is_a () from 
/usr/lib/libgobject-2.0.so.0
(gdb) xbacktrace
"read-file-name"
"find-file-read-args"
"call-interactively"
(gdb) backtrace
#0  0x403bdf12 in g_type_check_instance_is_a () from 
/usr/lib/libgobject-2.0.so.0
#1  0x401e45fd in gtk_widget_set_name () from /usr/lib/libgtk-x11-2.0.so.0
#2  0x0811212e in xg_get_file_name (f=0xd080,
   prompt=0x8203f18 "Find existing file: ",
   default_filename=0x853244c "/usr/local/emacs/src/", mustmatch_p=1,
   only_dir_p=0) at gtkutil.c:1335
#3  0x080ff3ed in Fx_file_dialog (prompt=136331016, dir=138276547,
   default_filename=138276544, mustmatch=137487929, only_dir_p=137487881)
   at xfns.c:5317
#4  0x08143dc2 in Fread_file_name (prompt=136331019, dir=138276547,
   default_filename=138276547, mustmatch=137487929, initial=137487881,
   predicate=137487881) at fileio.c:6343
#5  0x0817270f in Ffuncall (nargs=5, args=0xbfffdec0) at eval.c:2773
#6  0x08197f18 in Fbyte_code (bytestr=137868825, vector=4, 
maxdepth=-1073750208)
   at bytecode.c:686
#7  0x081729a5 in funcall_lambda (fun=136329844, nargs=2, 
arg_vector=0xbfffe000)
   at eval.c:2944
#8  0x08172847 in apply_lambda (fun=136329844, args=137487929, eval_flag=1)
   at eval.c:2866
#9  0x08171be8 in Feval (form=136329844) at eval.c:2170
#10 0x0816f0a1 in Fcall_interactively (function=137853665,
---Type <return> to continue, or q <return> to quit---
   record_flag=137487881, keys=137544764) at callint.c:383
#11 0x08122697 in Fcommand_execute (cmd=137853665, record_flag=137487881,
   keys=137487881, special=137487881) at keyboard.c:9679
#12 0x08118197 in command_loop_1 () at keyboard.c:1779
#13 0x08170c9a in internal_condition_case (bfun=0x8117e60 <command_loop_1>,
   handlers=137548857, hfun=0x81179e4 <cmd_error>) at eval.c:1367
#14 0x08117ce6 in command_loop_2 () at keyboard.c:1309
#15 0x08170841 in internal_catch (tag=53376, func=0x8117cc8 
<command_loop_2>,
   arg=137487881) at eval.c:1128
#16 0x08117c9d in command_loop () at keyboard.c:1288
#17 0x0811779c in recursive_edit_1 () at keyboard.c:981
#18 0x081178bc in Frecursive_edit () at keyboard.c:1042
#19 0x081160a7 in main (argc=3, argv=0xbfffe904) at emacs.c:1736
#20 0x42015704 in __libc_start_main () from /lib/tls/libc.so.6
(gdb)



In GNU Emacs 21.3.50.1 (i686-pc-linux-gnu, GTK+ Version 2.2.1)
of 2004-11-16 on beach.fas.harvard.edu
Distributor `The XFree86 Project, Inc', version 11.0.40300000
configured using `configure '--with-gtk''

Important settings:
 value of $LC_ALL: nil
 value of $LC_COLLATE: C
 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: en_US.UTF-8
 locale-coding-system: utf-8
 default-enable-multibyte-characters: t

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