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f579e11940
PR-URL: https://github.com/nodejs/node/pull/26685 Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Refael Ackermann <refack@gmail.com>
30 lines
739 B
JavaScript
30 lines
739 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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(function ShortcutEmptyStringAddRight() {
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let ar = new Float32Array(1);
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function opt(i){
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return ar[i] + (NaN ? 0 : '');
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}
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%PrepareFunctionForOptimization(opt);
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ar[0] = 42;
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opt(1);
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%OptimizeFunctionOnNextCall(opt);
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assertEquals("42", opt(0));
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})();
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(function ShortcutiEmptyStringAddLeft() {
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let ar = new Float32Array(1);
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function opt(i){
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return (NaN ? 0 : '') + ar[i];
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}
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%PrepareFunctionForOptimization(opt);
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ar[0] = 42;
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opt(1);
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%OptimizeFunctionOnNextCall(opt);
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assertEquals("42", opt(0));
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})();
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