v8/test/mjsunit/regress/regress-crbug-1041251.js
Igor Sheludko 68cc5c6796 [builtins] Fix FastCreateDataProperty
... which didn't check writability of array length on appending
a new element to an array.

Bug: chromium:1041251
Change-Id: I6935e505a4844e5b22abe9d4a42786619499daa6
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2023551
Reviewed-by: Toon Verwaest <verwaest@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#66023}
2020-01-29 12:25:03 +00:00

15 lines
413 B
JavaScript

// 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.
let v0 = [0, 1];
v0.constructor = {
[Symbol.species]: function() {
let v1 = [2];
Object.defineProperty(v1, "length", {writable: false});
return v1;
}
}
assertThrows(() => Array.prototype.map.call(v0, function() {}), TypeError);