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diff --git a/test/built-ins/TypedArrays/ctors/length-arg/length-arg-custom-proto-access-throws.js b/test/built-ins/TypedArrays/ctors/length-arg/length-arg-custom-proto-access-throws.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.
+/*---
+esid: sec-typedarray-length
+description: >
+ Return abrupt completion getting newTarget's prototype
+info: |
+ 22.2.4.2 TypedArray ( length )
+
+ This description applies only if the TypedArray function is called with at
+ least one argument and the Type of the first argument is not Object.
+
+ ...
+ 8. Return ? AllocateTypedArray(constructorName, NewTarget,
+ %TypedArrayPrototype%, elementLength).
+
+ 22.2.4.2.1 Runtime Semantics: AllocateTypedArray (constructorName, newTarget,
+ defaultProto [ , length ])
+
+ 1. Let proto be ? GetPrototypeFromConstructor(newTarget, defaultProto).
+ ...
+
+ 9.1.15 GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto )
+
+ ...
+ 3. Let proto be ? Get(constructor, "prototype").
+ ...
+includes: [testTypedArray.js]
+features: [Reflect, TypedArray]
+---*/
+
+var newTarget = function() {}.bind(null);
+Object.defineProperty(newTarget, "prototype", {
+ get() {
+ throw new Test262Error();
+ }
+});
+
+testWithTypedArrayConstructors(function(TA) {
+ assert.throws(Test262Error, function() {
+ Reflect.construct(TA, [1], newTarget);
+ });
+});