Implement subclassing Arrays.

test/mjsunit/harmony/regress/regress-3930.js

Index: test/mjsunit/harmony/regress/regress-3930.js
diff --git a/test/mjsunit/harmony/regress/regress-3930.js b/test/mjsunit/harmony/regress/regress-3930.js
deleted file mode 100644
index 2436a2d0c38f89da1430bd25d55a6a04a8332bf5..0000000000000000000000000000000000000000
--- a/test/mjsunit/harmony/regress/regress-3930.js
+++ /dev/null
@@ -1,28 +0,0 @@
-// 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-classes
-'use strict';
-
-class Stack extends Array { }
-
-assertThrows(function() { new Stack(); }, TypeError);
-
-class Stack1 extends Array {
-  constructor() { super(); }
-}
-
-assertThrows(function() { new Stack1(); }, TypeError);
-
-class Stack2 extends Array {
-  constructor() { super(1, 25); }
-}
-
-assertThrows(function() { new Stack2(); }, TypeError);
-
-let X = Array;
-
-class Stack4 extends X { }
-
-assertThrows(function() { new Stack2(); }, TypeError);