v8/test/mjsunit/harmony/regress/regress-crbug-1372500.js
Shu-yu Guo 1fada6b36f [symbol-as-weakmap-key] Fix DCHECKs when clearing JS weakrefs
Bug: chromium:1372500, v8:12947
Fixed: chromium:1372500
Change-Id: Id6330de5886e4ea72544b307c358e2190ea47d9c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3942586
Reviewed-by: Anton Bikineev <bikineev@chromium.org>
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83632}
2022-10-11 14:55:03 +00:00

15 lines
521 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: --harmony-symbol-as-weakmap-key --expose-gc
// Register an object in a FinalizationRegistry with a Symbol as the unregister
// token.
let fr = new FinalizationRegistry(function () {});
(function register() {
fr.register({}, "holdings", Symbol('unregisterToken'));
})();
// The unregister token should be dead, trigger its collection.
gc();