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diff --git a/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/regular-subclassing.js b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/regular-subclassing.js
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+++ b/js/src/tests/test262/language/statements/class/subclass/builtin-objects/TypedArray/regular-subclassing.js
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+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 22.2.4
+description: Subclassing TypedArrays
+info: |
+ 22.2.4 The TypedArray Constructors
+
+ ...
+
+ The TypedArray constructors are designed to be subclassable. They may be used
+ as the value of an extends clause of a class definition. Subclass constructors
+ that intend to inherit the specified TypedArray behaviour must include a super
+ call to the TypedArray constructor to create and initialize the subclass
+ instance with the internal state necessary to support the
+ %TypedArray%.prototype built-in methods.
+---*/
+
+[
+ Int8Array,
+ Uint8Array,
+ Uint8ClampedArray,
+ Int16Array,
+ Uint16Array,
+ Int32Array,
+ Uint32Array,
+ Float32Array,
+ Float64Array
+].forEach(function(Constructor) {
+ class Typed extends Constructor {}
+
+ var arr = new Typed(2);
+
+ assert.sameValue(arr.length, 2);
+});
+
+reportCompare(0, 0);