v8/test/mjsunit/regress/regress-crbug-688734.js
Igor Sheludko 9760851789 [ic] KeyedStoreIC should use a slow stub when a prototype chain contains dictionary elements.
BUG=chromium:688734

Change-Id: If5dd370971cb02c4463fa20a489d0fa60b0423c4
Reviewed-on: https://chromium-review.googlesource.com/446845
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Igor Sheludko <ishell@chromium.org>
Cr-Commit-Position: refs/heads/master@{#43451}
2017-02-27 13:41:11 +00:00

17 lines
372 B
JavaScript

// Copyright 2017 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.
function foo(a) {
a[0] = 3;
}
var v = [,6];
v.__proto__ = [];
foo(v);
delete v[0];
var count = 0;
v.__proto__.__defineSetter__(0, function() { count++; });
foo([1,,,2]);
foo(v);
assertEquals(1, count);