Comment 2 for bug 2012294

StacktraceTop:
 ?? ()
 g_closure_invoke (closure=0x564dafb6e6d0, return_value=0x0, n_param_values=2, param_values=0x7ffe7baf0340, invocation_hint=0x7ffe7baf02c0) at ../../../gobject/gclosure.c:832
 signal_emit_unlocked_R.isra.0 (node=node@entry=0x564dafa40b80, detail=detail@entry=552, instance=instance@entry=0x564dafac44a0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffe7baf0340) at ../../../gobject/gsignal.c:3802
 g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7ffe7baf0500) at ../../../gobject/gsignal.c:3555
 g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at ../../../gobject/gsignal.c:3612