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var x = new ArrayBuffer(2);
var test = function(newProto) {
try {
x.__proto__ = newProto;
return false;
} catch(e) {
return true;
}
}
// assert cycle doesn't work
assertEq(test(x), true);
// works
assertEq(test({}), false);
assertEq(test(null), false);
reportCompare(true, true);