5d6a571f6e
This is a reland of 30c6bd45be
Original change's description:
> [weakrefs] Ship WeakRef and FinalizationRegistry.
>
> I2S: https://groups.google.com/a/chromium.org/g/blink-dev/c/L04PqDk9eMU
> Bug: v8:8179
> Change-Id: I52aaa62cdab981b802fa4a986d60421ef6efcfbb
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2158371
> Commit-Queue: Shu-yu Guo <syg@chromium.org>
> Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#67295}
Bug: v8:8179
Change-Id: If132d88b5a8dbe06ba7a8f80f19f33d9553ca62f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2160017
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#67324}
39 lines
1.0 KiB
JavaScript
39 lines
1.0 KiB
JavaScript
// Copyright 2019 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: --allow-natives-syntax --opt --no-always-opt
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const big = 2n ** BigInt((2 ** 30)-1);
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function testAdd(x, y) {
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return x + y;
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}
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%PrepareFunctionForOptimization(testAdd);
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testAdd(3n, 7n);
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testAdd(17n, -54n);
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%OptimizeFunctionOnNextCall(testAdd);
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assertEquals(testAdd(6n, 2n), 8n);
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// Re-prepare the function immediately to make sure type feedback isn't cleared
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// by an untimely gc, as re-optimization on new feedback is tested below
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%PrepareFunctionForOptimization(testAdd);
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assertOptimized(testAdd);
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assertThrows(() => testAdd(big, big), RangeError);
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assertUnoptimized(testAdd);
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testAdd(30n, -50n);
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testAdd(23n, 5n);
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%OptimizeFunctionOnNextCall(testAdd);
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assertEquals(testAdd(-7n, -12n), -19n);
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assertOptimized(testAdd);
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assertThrows(() => testAdd(big, big), RangeError);
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assertOptimized(testAdd);
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assertThrows(() => testAdd(big, big), RangeError);
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assertOptimized(testAdd);
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