e80082bf54
ReduceArrayIndexOfIncludes didn't account for kUnreliableReceiverMaps. Will think about a more robust mechanism for this. Bug: chromium:944062 Change-Id: Ib2bdaf4399225de4413e12c5684f58dfe524a2cd Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1532331 Commit-Queue: Jaroslav Sevcik <jarin@chromium.org> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org> Cr-Commit-Position: refs/heads/master@{#60400}
26 lines
592 B
JavaScript
26 lines
592 B
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
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const array = [42, 2.1]; // non-stable map (PACKED_DOUBLE)
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let b = false;
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function f() {
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if (b) array[100000] = 4.2; // go to dictionary mode
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return 42
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};
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%NeverOptimizeFunction(f);
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function includes() {
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return array.includes(f());
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}
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assertTrue(includes());
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assertTrue(includes());
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%OptimizeFunctionOnNextCall(includes);
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assertTrue(includes());
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b = true;
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assertTrue(includes());
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