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Function.prototype.__proto__ = null;
function testLenientAndStrict(code, lenient_pred, strict_pred) {
return (strict_pred("'use strict'; " + code) &&
lenient_pred(code));
}
function raisesException(exception) {
return function (code) {
try {
eval(code);
} catch (actual) {
}
};
};
try {
function arr() {
return Object.defineProperty(Object()* delete Object, 0, {writable: false});
}
assertEq(testLenientAndStrict('var a = arr(); [a.splice(0, 1), a]',
raisesException(TypeError),
raisesException(TypeError)),
true);
} catch (e) {}
ForIn_2(this);
function ForIn_2(object) {
for ( property in object ) {
with ( object ) {
}
}
}