Comment 2 for bug 1303814

StacktraceTop:
 gtk_list_store_reorder (store=0x39330d0, new_order=0x3603030) at /build/buildd/gtk+3.0-3.10.7/./gtk/gtkliststore.c:1718
 handle_sort (tree_view=<optimized out>, compare=<optimized out>, button=<optimized out>) at datetime-prefs-locations.c:122
 _g_closure_invoke_va (closure=0x362c240, return_value=0x0, instance=0x2af1b00, args=0x7fff7c238d38, n_params=0, param_types=0x0) at /build/buildd/glib2.0-2.40.0/./gobject/gclosure.c:831
 g_signal_emit_valist (instance=0x2af1b00, signal_id=<optimized out>, detail=0, var_args=var_args@entry=0x7fff7c238d38) at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3215
 g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.40.0/./gobject/gsignal.c:3363