f902b9dd8d
Bug: v8:8179 Change-Id: I0cd43db6558db616690de2dd012bf7518c49345d Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2138563 Commit-Queue: Shu-yu Guo <syg@chromium.org> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org> Reviewed-by: Ulan Degenbaev <ulan@chromium.org> Cr-Commit-Position: refs/heads/master@{#67069}
26 lines
628 B
JavaScript
26 lines
628 B
JavaScript
// Copyright 2020 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-weak-refs --expose-gc --noincremental-marking
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let cleanup_called = false;
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function cleanup(holdings) {
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cleanup_called = true;
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};
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(function() {
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let fg = new FinalizationRegistry(cleanup);
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(function() {
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let x = {};
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fg.register(x, {});
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x = null;
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})();
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// Schedule fg for cleanup.
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gc();
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})();
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// Collect fg, which should result in cleanup not called.
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gc();
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setTimeout(function() { assertFalse(cleanup_called); }, 0);
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