d59db06bf5
Bug: v8:8179 Change-Id: I7f699073807d1874d0c10a4f1641de6bfb0efe6f Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2741582 Commit-Queue: Shu-yu Guo <syg@chromium.org> Reviewed-by: Shu-yu Guo <syg@chromium.org> Reviewed-by: Adam Klein <adamk@chromium.org> Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org> Cr-Commit-Position: refs/heads/master@{#73871}
39 lines
807 B
JavaScript
39 lines
807 B
JavaScript
// Copyright 2019 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: --expose-gc --noincremental-marking
|
|
|
|
let cleanedUp = false;
|
|
let r = Realm.create();
|
|
let FG = Realm.eval(r, "FinalizationRegistry");
|
|
Realm.detachGlobal(r);
|
|
|
|
let fg_not_run = new FG(() => {
|
|
assertUnreachable();
|
|
});
|
|
(() => {
|
|
fg_not_run.register({});
|
|
})();
|
|
|
|
gc();
|
|
|
|
// Disposing the realm cancels the already scheduled fg_not_run's finalizer.
|
|
Realm.dispose(r);
|
|
|
|
let fg = new FG(()=> {
|
|
cleanedUp = true;
|
|
});
|
|
|
|
// FGs that are alive after disposal can still schedule tasks.
|
|
(() => {
|
|
let object = {};
|
|
fg.register(object, {});
|
|
|
|
// object becomes unreachable.
|
|
})();
|
|
|
|
gc();
|
|
|
|
setTimeout(function() { assertTrue(cleanedUp); }, 0);
|