Include Harmony Array/TypedArray methods unconditionally

test/mjsunit/es6/typedarray-tostring.js

 // 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: --harmony-arrays
-
 // Array's toString should call the object's own join method, if one exists and
 // is callable. Otherwise, just use the original Object.toString function.
 
 var typedArrayConstructors = [
   Uint8Array,
   Int8Array,
   Uint16Array,
   Int16Array,
   Uint32Array,
   Int32Array,
@@ skipping 62 matching lines @@
   // Redefining length does not change result
   var a5 = new constructor([1, 2, 3])
   Object.defineProperty(a5, 'length', { value: 2 });
   assertEquals("1,2,3", a5.join());
   assertEquals("1,2,3", a5.toString());
   assertEquals("1,2,3", a5.toLocaleString());
   assertEquals("1,2", Array.prototype.join.call(a5));
   assertEquals("1,2,3", Array.prototype.toString.call(a5));
   assertEquals("1,2", Array.prototype.toLocaleString.call(a5));
 }