Remove --harmony-arrow-functions flag

test/mjsunit/harmony/arrow-functions.js

-// Copyright 2014 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: --harmony-arrow-functions
-
-// Arrow functions are like functions, except they throw when using the
-// "new" operator on them.
-assertEquals("function", typeof (() => {}));
-assertEquals(Function.prototype, Object.getPrototypeOf(() => {}));
-assertThrows(function() { new (() => {}); }, TypeError);
-assertFalse("prototype" in (() => {}));
-
-// Check the different syntax variations
-assertEquals(1, (() => 1)());
-assertEquals(2, (a => a + 1)(1));
-assertEquals(3, (() => { return 3; })());
-assertEquals(4, (a => { return a + 3; })(1));
-assertEquals(5, ((a, b) => a + b)(1, 4));
-assertEquals(6, ((a, b) => { return a + b; })(1, 5));
-
-// The following are tests from:
-// http://wiki.ecmascript.org/doku.php?id=harmony:arrow_function_syntax
-
-// Empty arrow function returns undefined
-var empty = () => {};
-assertEquals(undefined, empty());
-
-// Single parameter case needs no parentheses around parameter list
-var identity = x => x;
-assertEquals(empty, identity(empty));
-
-// No need for parentheses even for lower-precedence expression body
-var square = x => x * x;
-assertEquals(9, square(3));
-
-// Parenthesize the body to return an object literal expression
-var key_maker = val => ({key: val});
-assertEquals(empty, key_maker(empty).key);
-
-// Statement body needs braces, must use 'return' explicitly if not void
-var evens = [0, 2, 4, 6, 8];
-assertEquals([1, 3, 5, 7, 9], evens.map(v => v + 1));
-
-var fives = [];
-[1, 2, 3, 4, 5, 6, 7, 8, 9, 10].forEach(v => {
-  if (v % 5 === 0) fives.push(v);
-});
-assertEquals([5, 10], fives);
-
-(function testRestrictedFunctionPropertiesStrict() {
-  var arrowFn = () => { "use strict"; };
-  assertFalse(arrowFn.hasOwnProperty("arguments"));
-  assertThrows(function() { return arrowFn.arguments; }, TypeError);
-  assertThrows(function() { arrowFn.arguments = {}; }, TypeError);
-
-  assertFalse(arrowFn.hasOwnProperty("caller"));
-  assertThrows(function() { return arrowFn.caller; }, TypeError);
-  assertThrows(function() { arrowFn.caller = {}; }, TypeError);
-})();
-
-
-(function testRestrictedFunctionPropertiesSloppy() {
-  var arrowFn = () => {};
-  assertFalse(arrowFn.hasOwnProperty("arguments"));
-  assertThrows(function() { return arrowFn.arguments; }, TypeError);
-  assertThrows(function() { arrowFn.arguments = {}; }, TypeError);
-
-  assertFalse(arrowFn.hasOwnProperty("caller"));
-  assertThrows(function() { return arrowFn.caller; }, TypeError);
-  assertThrows(function() { arrowFn.caller = {}; }, TypeError);
-})();