Comment 2 for bug 1201700

StacktraceTop:
 gtk_builder_get_object (builder=0x4, name=name@entry=0x7f931867d1ae "submit_error_reports") at /build/buildd/gtk+3.0-3.8.2/./gtk/gtkbuilder.c:1266
 on_properties_changed (interface=0x7f92f800a550, changed_properties=<optimized out>, invalidated_properties=<optimized out>, user_data=<optimized out>) at diagnostics-widget.c:154
 ffi_call_unix64 () at ../src/x86/unix64.S:76
 ffi_call (cif=cif@entry=0x7fff81bfe630, fn=0x7f9318676850 <on_properties_changed>, rvalue=0x7fff81bfe5a0, avalue=avalue@entry=0x7fff81bfe540) at ../src/x86/ffi64.c:522
 g_cclosure_marshal_generic (closure=0x7f933d97d110, return_gvalue=0x0, n_param_values=<optimized out>, param_values=<optimized out>, invocation_hint=<optimized out>, marshal_data=0x0) at /build/buildd/glib2.0-2.37.3/./gobject/gclosure.c:1454