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setJitCompilerOption("ic.force-megamorphic", 1);
function testAddToIntermediate() {
var C = Object.create(null);
var B = Object.create(C);
var A = Object.create(B);
C.x = 1;
for (var i = 0; i < 50; i++) {
assertEq(A.x, i <= 45 ? 1 : 0);
if (i === 45) {
B.x = 0;
}
}
}
for (var i = 0; i < 5; i++) {
testAddToIntermediate();
}
function testAddToReceiver() {
var C = Object.create(null);
var B = Object.create(C);
var A = Object.create(B);
C.x = 1;
for (var i = 0; i < 50; i++) {
assertEq(A.x, i <= 45 ? 1 : 0);
if (i === 45) {
A.x = 0;
}
}
}
for (var i = 0; i < 5; i++) {
testAddToReceiver();
}
function testDelete() {
var C = Object.create(null);
var B = Object.create(C);
var A = Object.create(B);
C.x = 1;
for (var i = 0; i < 50; i++) {
assertEq(A.x, i <= 45 ? 1 : undefined);
if (i === 45) {
delete C.x;
}
}
}
for (var i = 0; i < 5; i++) {
testDelete();
}
function testDataToAccessor() {
var C = Object.create(null);
var B = Object.create(C);
var A = Object.create(B);
C.x = 1;
for (var i = 0; i < 50; i++) {
assertEq(A.x, i <= 45 ? 1 : 7);
if (i === 45) {
Object.defineProperty(C, "x", {get: () => 7});
}
}
}
for (var i = 0; i < 5; i++) {
testDataToAccessor();
}
function testProtoChange() {
var C = Object.create(null);
var B = Object.create(C);
var A = Object.create(B);
C.x = 1;
for (var i = 0; i < 50; i++) {
assertEq(A.x, i <= 45 ? 1 : 8);
if (i === 45) {
Object.setPrototypeOf(B, {a: 0, b: 1, x: 8});
}
}
}
for (var i = 0; i < 5; i++) {
testProtoChange();
}
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