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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 9.5.4
description: >
Throws a TypeError exception if handler is null.
features: [Proxy]
---*/
var p = Proxy.revocable({}, {});
p.revoke();
assert.throws(TypeError, function() {
Object.preventExtensions(p.proxy);
});
reportCompare(0, 0);