[Wayland-bugs] [Bug 784319] Sometimes tooltip_popup_timeout() in gtk/gtktooltip.c causes crash after closing a window

[gtk+ (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=784319

--- Comment #15 from Olivier Fourdan <ofourdan at redhat.com> ---
Looking at that MozContainer, I find it weird that there is a
moz_container_unrealize() for Wayland alone, and even there, it doesn't seem to
do much:

https://github.com/stransky/gecko-dev/blob/master/widget/gtk/mozcontainer.cpp#L383

Looking at gtk_window_unrealize() it will destroy and unregister its windows:

https://git.gnome.org/browse/gtk+/tree/gtk/gtkwindow.c?h=gtk-3-22#n7448

I could be wrong, but considering that the issue is caused by a motion event
coming from a MozContainer widget while the toplevel is being destroyed, I
wonder if there might be some code missing in MozContainer.

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