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function test1() {
var o1 = {x: 1, y: 2, z: 3};
var o2 = Object.create(o1);
var o3 = Object.create(o2);
o2.x = 2; // Ensure teleporting is invalidated for o1.
for (var i = 0; i < 30; i++) {
assertEq(o3.y, i > 20 ? -1 : 2);
if (i === 20) {
// Add a (second) shadowing property to o2. The property access
// above must detect this properly.
o2.y = -1;
}
}
}
test1();
function test2() {
var o1 = {x: 1, y: 2, z: 3};
var o2 = Object.create(o1);
var o3 = Object.create(o2);
var o4 = Object.create(o3);
o2.x = 1;
o2.a = 2;
o3.a = 2;
for (var i = 0; i < 30; i++) {
assertEq(o4.y, i > 20 ? undefined : 2);
if (i === 20) {
o2.__proto__ = null;
}
}
}
test2();
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