code: public void invokespecial(ExecutableElement method) throws IOException
      {
          int index = subClass.resolveMethodIndex(method);
          invokespecial(index);
      }
docs: Invoke instance method; special handling for superclass, private, and instance initialization method invocations
  <p>Stack: ..., objectref, [arg1, [arg2 ...]] =&gt; ...
  @param method
  @throws IOException