Implement ES6 Array.of()

test/mjsunit/es6/array-of-1.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.
+
+// Based on: https://hg.mozilla.org/mozilla-central/file/d0c3168c3c47/js/src/jit-test/tests/collections/Array-of-1.js
+
+// Flags: --harmony-arrays
+
+
+// Array.of makes real arrays.
+
+function check(a) {
+    assertEquals(Object.getPrototypeOf(a), Array.prototype);
+    assertEquals(Array.isArray(a), true);
+    a[9] = 9;
+    assertEquals(a.length, 10);
+}
+
+
+check(Array.of());
+check(Array.of(0));
+check(Array.of(0, 1, 2));
+var f = Array.of;
+check(f());