539d2b7dc3
Unstable maps can transition to stable ones after a side effect, therefore we cannot trust the set of stable maps. The CL nukes from the set from stable_maps, equivalent of setting it to the universal set. Bug: v8:7700 Change-Id: I457f76efd48ec7eec747233ec063ebe265d3085a Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3978169 Reviewed-by: Toon Verwaest <verwaest@chromium.org> Auto-Submit: Victor Gomes <victorgomes@chromium.org> Commit-Queue: Toon Verwaest <verwaest@chromium.org> Cr-Commit-Position: refs/heads/main@{#83923}
18 lines
407 B
JavaScript
18 lines
407 B
JavaScript
// Copyright 2022 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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//
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// Flags: --allow-natives-syntax --maglev
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(function() {
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function foo(x) {
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x.a = 1;
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x.a;
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}
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%PrepareFunctionForOptimization(foo);
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foo({});
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%OptimizeMaglevOnNextCall(foo);
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foo({});
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assertTrue(isMaglevved(foo));
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})();
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