'use strict'; // Copyright (c) 2012 Ecma International. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- es5id: 11.13.2-52-s description: > Strict Mode - TypeError is thrown if The LeftHandSide of a Compound Assignment operator(>>>=) is a reference to a non-existent property of an object whose [[Extensible]] internal property if false flags: [onlyStrict] ---*/ var obj = {}; Object.preventExtensions(obj); assert.throws(TypeError, function() { obj.len >>>= 10; }); reportCompare(0, 0);