Comment 2 for bug 1160756

StacktraceTop:
 g_type_add_interface_dynamic (instance_type=140706685410448, interface_type=10038448, plugin=0x992cc0) at /build/buildd/glib2.0-2.36.0/./gobject/gtype.c:2896
 g_object_do_set_property (object=<optimized out>, property_id=0, value=<optimized out>, pspec=0x7ff8e7eee6cc <g_slice_free1+524>) at /build/buildd/glib2.0-2.36.0/./gobject/gobject.c:989
 g_object_init (object=<optimized out>, class=<optimized out>) at /build/buildd/glib2.0-2.36.0/./gobject/gobject.c:978
 app_menu_item_dispose (object=0x1) at app-menu-item.c:102
 g_object_init (object=0x656572662e67726c, class=0x96c398) at /build/buildd/glib2.0-2.36.0/./gobject/gobject.c:951