src/v8/test/js-perf-test/SixSpeed/super/es6.js

// Copyright 2017 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.

// This benchmark is based on the six-speed benchmark build output.
// Copyright 2014 Kevin Decker <https://github.com/kpdecker/six-speed/>

new BenchmarkSuite('ES6', [1000], [
  new Benchmark('ES6', false, false, 0, ES6),
]);

class C {
  constructor() {
    this.foo = 'bar';
  }
  bar() {
    return 41;
  }
}

class D extends C {
  constructor() {
    super();
    this.baz = 'bat';
  }
  bar() {
    return super.bar() + 1;
  }
}

function ES6() {
  var d = new D();
  return d.bar();
}