v8/test/mjsunit/regress/regress-crbug-663750.js
ishell 45b9f15f44 [runtime] Treat empty property cells properly when doing Object.freeze() on a global object.
BUG=chromium:663750, chromium:664123

Review-Url: https://codereview.chromium.org/2495563002
Cr-Commit-Position: refs/heads/master@{#40902}
2016-11-10 16:01:15 +00:00

27 lines
444 B
JavaScript

// Copyright 2016 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.
// Flags: --allow-natives-syntax
var v = 0;
function foo(a) {
v = a;
}
this.x = 0;
delete x;
foo(1);
foo(2);
%OptimizeFunctionOnNextCall(foo);
foo(3);
assertEquals(3, v);
Object.freeze(this);
foo(4);
foo(5);
%OptimizeFunctionOnNextCall(foo);
foo(6);
assertEquals(3, v);