Comment 2 for bug 932632

StacktraceTop:
 g_type_check_instance_cast (type_instance=0xffffffffac77e9c0, iface_type=140315174804944) at /build/buildd/glib2.0-2.31.16/./gobject/gtype.c:3993
 create_cell (treeview=0x7f9dac2ee000, accessible=0x7f9daccead90, tree=0x7f9dacd47550, node=0x7f9dacc92c40, column=0xffffffffac77e9c0) at /build/buildd/gtk+3.0-3.3.14/./gtk/a11y/gtktreeviewaccessible.c:369
 _gtk_tree_view_accessible_add_state (treeview=0x7f9dac2ee000, tree=0x7f9dacd47550, node=0x7f9dacc92c40, state=<optimized out>) at /build/buildd/gtk+3.0-3.3.14/./gtk/a11y/gtktreeviewaccessible.c:1894
 gtk_tree_view_real_set_cursor (tree_view=0x7f9dac2ee000, path=0x7f9dace9f760, flags=<optimized out>) at /build/buildd/gtk+3.0-3.3.14/./gtk/gtktreeview.c:13305
 gtk_tree_view_button_press (widget=0x7f9dac2ee000, event=0x7f9d90002820) at /build/buildd/gtk+3.0-3.3.14/./gtk/gtktreeview.c:3112