24 lines
519 B
JavaScript
24 lines
519 B
JavaScript
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// Copyright 2024 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 get_thin_string(a, b) {
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var str = a + b;
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var o = {};
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o[str];
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return str;
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}
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var str = get_thin_string("bar");
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function CheckCS() {
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return str.charCodeAt();
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}
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%PrepareFunctionForOptimization(CheckCS);
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assertEquals(CheckCS(), 98);
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%OptimizeFunctionOnNextCall(CheckCS);
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assertEquals(CheckCS(), 98);
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