reproductible crash in gnome-window-decorator

[Sebastien ESTIENNE]

hello,

i notice a reproductible crash wih g-w-d under gnome:
i start 20 xeyes like this: (the crash doesn't happen with 10 for example):
for i in ``seq 1 20`; do ( xeyes &) ; done

then
killall xeyes

it makes g-w-d crash with some gnome applet at the same time, there is 
the following messages:
(gnome-window-decorator:22024): Wnck-CRITICAL **: 
_wnck_application_remove_window: assertion `WNCK_IS_APPLICATION (app)' 
failed

(gnome-window-decorator:22024): Wnck-CRITICAL **: 
wnck_application_get_windows: assertion `WNCK_IS_APPLICATION (app)' failed

(gnome-window-decorator:22024): Wnck-CRITICAL **: 
_wnck_class_group_remove_window: assertion `WNCK_IS_CLASS_GROUP 
(class_group)' failed

(gnome-window-decorator:22024): Wnck-CRITICAL **: 
wnck_class_group_get_windows: assertion `class_group != NULL' failed

(gnome-window-decorator:22024): Wnck-CRITICAL **: 
_wnck_application_remove_window: assertion `WNCK_IS_APPLICATION (app)' 
failed

(gnome-window-decorator:22024): Wnck-CRITICAL **: 
wnck_application_get_windows: assertion `WNCK_IS_APPLICATION (app)' failed

(gnome-window-decorator:22024): Wnck-CRITICAL **: 
_wnck_class_group_remove_window: assertion `WNCK_IS_CLASS_GROUP 
(class_group)' failed

(gnome-window-decorator:22024): Wnck-CRITICAL **: 
wnck_class_group_get_windows: assertion `class_group != NULL' failed
*** glibc detected *** double free or corruption (!prev): 0x0816af98 ***


i also noticed that xeyes windows don't expose (F12)

regards,
-- 
sebastien estienne