mirror of
https://github.com/nodejs/node.git
synced 2025-05-15 17:51:35 +00:00
6bd756d7c6
PR-URL: https://github.com/nodejs/node/pull/44741 Fixes: https://github.com/nodejs/node/issues/44650 Fixes: https://github.com/nodejs/node/issues/37472 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
20 lines
454 B
JavaScript
20 lines
454 B
JavaScript
// Copyright 2022 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 --turbofan
|
|
|
|
function f() {
|
|
const a = {'x': 5};
|
|
a.x = {};
|
|
Object.freeze(a);
|
|
return Object.is(a.x, 5)
|
|
}
|
|
|
|
%PrepareFunctionForOptimization(f);
|
|
assertFalse(f());
|
|
assertFalse(f());
|
|
%OptimizeFunctionOnNextCall(f);
|
|
assertFalse(f());
|
|
assertOptimized(f);
|