whole_func_string: function ObjectIsPrototypeOf(V) {
    if (!IS_RECEIVER(V)) return false;
    var O = TO_OBJECT(this);
    return %HasInPrototypeChain(V, O);
  }
func_code_string: function ObjectIsPrototypeOf(V) {
    if (!IS_RECEIVER(V)) return false;
    var O = TO_OBJECT(this);
    return %HasInPrototypeChain(V, O);
  }
func_documentation_string: ES6 19.1.3.3 Object.prototype.isPrototypeOf(V)