9be747666c
For dictionary-mode receivers, the KeyedStoreGeneric stub can store properties directly in most cases. Doing so avoids the need to have an entry in the stub cache for every map/property combination. Original review: https://codereview.chromium.org/2504403005/ Review-Url: https://codereview.chromium.org/2528883003 Cr-Commit-Position: refs/heads/master@{#41272}
22 lines
479 B
JavaScript
22 lines
479 B
JavaScript
// Copyright 2016 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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function f(a, i, v) {
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a[i] = v;
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}
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f("make it generic", 0, 0);
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var a = new Array(3);
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// Fast properties.
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f(a, "length", 2);
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assertEquals(2, a.length);
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// Dictionary properties.
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%OptimizeObjectForAddingMultipleProperties(a, 1);
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f(a, "length", 1);
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assertEquals(1, a.length);
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