chain_from_overridden

Description:

public static void chain_from_overridden (Value[] instance_and_params, out Value return_value)

Calls the original class closure of a signal.

This function should only be called from an overridden class closure; see override_class_closure and override_class_handler.

instance_and_params	the argument list of the signal emission. The first element in the array is a Value for the instance the signal is being emitted on. The rest are any arguments to be passed to the signal.
return_value	Location for the return value.