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// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
Object.prototype[1] = 153;
(function TestSloppyStoreToReadOnlyProperty() {
function foo(prototype_frozen) {
let ar = [];
for (let i = 0; i < 3; i++) {
ar[i] = 42;
if (prototype_frozen) {
if (i == 1) {
// Attempt to overwrite read-only element should not change
// array length.
assertEquals(1, ar.length);
} else {
assertEquals(i + 1, ar.length);
}
}
}
return ar;
}
// Warm-up store IC.
assertEquals([42,42,42], foo(false));
assertEquals([42,42,42], foo(false));
assertEquals([42,42,42], foo(false));
assertEquals([42,42,42], foo(false));
Object.freeze(Object.prototype);
// Ensure IC was properly invalidated.
assertEquals([42,153,42], foo(true));
})();
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