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diff --git a/deps/v8/test/js-perf-test/SixSpeed/super/babel.js b/deps/v8/test/js-perf-test/SixSpeed/super/babel.js
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+// 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/>
+
+'use strict';
+
+new BenchmarkSuite('Babel', [1000], [
+ new Benchmark('Babel', false, false, 0, Babel),
+]);
+
+var _get = function get(object, property, receiver) {
+ if (object === null) object = Function.prototype;
+ var desc = Object.getOwnPropertyDescriptor(object, property);
+ if (desc === undefined) {
+ var parent = Object.getPrototypeOf(object);
+ if (parent === null) {
+ return undefined;
+ } else {
+ return get(parent, property, receiver);
+ }
+ } else if ('value' in desc) {
+ return desc.value;
+ } else {
+ var getter = desc.get;
+ if (getter === undefined) {
+ return undefined;
+ }
+ return getter.call(receiver);
+ }
+};
+
+var _createClass = function() {
+ function defineProperties(target, props) {
+ for (var i = 0; i < props.length; i++) {
+ var descriptor = props[i];
+ descriptor.enumerable = descriptor.enumerable || false;
+ descriptor.configurable = true;
+ if ('value' in descriptor) descriptor.writable = true;
+ Object.defineProperty(target, descriptor.key, descriptor);
+ }
+ }
+ return function(Constructor, protoProps, staticProps) {
+ if (protoProps) defineProperties(Constructor.prototype, protoProps);
+ if (staticProps) defineProperties(Constructor, staticProps);
+ return Constructor;
+ };
+}();
+
+function _possibleConstructorReturn(self, call) {
+ if (!self) {
+ throw new ReferenceError(
+ 'this hasn\'t been initialised - super() hasn\'t been called');
+ }
+ return call && (typeof call === 'object' || typeof call === 'function') ?
+ call :
+ self;
+}
+
+function _inherits(subClass, superClass) {
+ if (typeof superClass !== 'function' && superClass !== null) {
+ throw new TypeError(
+ 'Super expression must either be null or a function, not ' +
+ typeof superClass);
+ }
+ subClass.prototype = Object.create(superClass && superClass.prototype, {
+ constructor: {
+ value: subClass,
+ enumerable: false,
+ writable: true,
+ configurable: true
+ }
+ });
+ if (superClass)
+ Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) :
+ subClass.__proto__ = superClass;
+}
+
+function _classCallCheck(instance, Constructor) {
+ if (!(instance instanceof Constructor)) {
+ throw new TypeError('Cannot call a class as a function');
+ }
+}
+
+var C = function() {
+ function C() {
+ _classCallCheck(this, C);
+
+ this.foo = 'bar';
+ }
+
+ _createClass(C, [{
+ key: 'bar',
+ value: function bar() {
+ return 41;
+ }
+ }]);
+
+ return C;
+}();
+
+var D = function(_C) {
+ _inherits(D, _C);
+
+ function D() {
+ _classCallCheck(this, D);
+
+ var _this = _possibleConstructorReturn(
+ this, (D.__proto__ || Object.getPrototypeOf(D)).call(this));
+
+ _this.baz = 'bat';
+ return _this;
+ }
+
+ _createClass(D, [{
+ key: 'bar',
+ value: function bar() {
+ return _get(
+ D.prototype.__proto__ ||
+ Object.getPrototypeOf(D.prototype),
+ 'bar', this)
+ .call(this) +
+ 1;
+ }
+ }]);
+
+ return D;
+}(C);
+
+function Babel() {
+ var d = new D();
+ return d.bar();
+}