Comment 2 for bug 924089

StacktraceTop:
 dee_sequence_model_free_row (self=<optimized out>, iter=0x258aa30) at dee-sequence-model.c:981
 dee_sequence_model_remove (self=0x2541eb0, iter_=0x258aa30) at dee-sequence-model.c:482
 g_closure_invoke (closure=0x2579dc0, return_value=0x0, n_param_values=2, param_values=0x7faa78002a10, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.12/./gobject/gclosure.c:774
 signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x7faa78002a10) at /build/buildd/glib2.0-2.31.12/./gobject/gsignal.c:3302
 g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fff68c64c98) at /build/buildd/glib2.0-2.31.12/./gobject/gsignal.c:3033