StacktraceTop: lookup_type_node_I (type_instance=<value optimized out>, iface_type=139832090215592) at /build/buildd/glib2.0-2.29.14/./gobject/gtype.c:393 g_type_check_instance_is_a (type_instance=<value optimized out>, iface_type=139832090215592) at /build/buildd/glib2.0-2.29.14/./gobject/gtype.c:3950 g_object_unref (_object=0x7f2d328a4640) at /build/buildd/glib2.0-2.29.14/./gobject/gobject.c:2680 _gtk_pango_get_run_attributes (attributes=0x7f2d32832620, layout=<value optimized out>, offset=<value optimized out>, start_offset=0x7f2d30194682, end_offset=0x7f2d30190720) at /build/buildd/gtk+3.0-3.1.10/./gtk/gtkpango.c:462 ?? ()
StacktraceTop: <value optimized out>, iface_type= 139832090215592 ) at /build/ buildd/ glib2.0- 2.29.14/ ./gobject/ gtype.c: 393 check_instance_ is_a (type_instance= <value optimized out>, iface_type= 139832090215592 ) at /build/ buildd/ glib2.0- 2.29.14/ ./gobject/ gtype.c: 3950 0x7f2d328a4640) at /build/ buildd/ glib2.0- 2.29.14/ ./gobject/ gobject. c:2680 get_run_ attributes (attributes= 0x7f2d32832620, layout=<value optimized out>, offset=<value optimized out>, start_offset= 0x7f2d30194682, end_offset= 0x7f2d30190720) at /build/ buildd/ gtk+3.0- 3.1.10/ ./gtk/gtkpango. c:462
lookup_type_node_I (type_instance=
g_type_
g_object_unref (_object=
_gtk_pango_
?? ()