// Copyright 2015 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. // Flags: --allow-natives-syntax function receiver() { return this; } function construct(f) { "use strict"; class B {} class C extends B { bar() { return super.foo() } } B.prototype.foo = f; return new C(); } function check(x, value, type) { assertEquals("object", typeof x); assertInstanceof(x, type); assertEquals(value, x); } var o = construct(receiver); check(o.bar.call(123), Object(123), Number); check(o.bar.call("a"), Object("a"), String); check(o.bar.call(undefined), this, Object); check(o.bar.call(null), this, Object); %OptimizeFunctionOnNextCall(o.bar); check(o.bar.call(456), Object(456), Number); check(o.bar.call("b"), Object("b"), String); check(o.bar.call(undefined), this, Object); check(o.bar.call(null), this, Object);