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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>
31 lines
642 B
JavaScript
31 lines
642 B
JavaScript
// Copyright 2017 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() {
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function f(x) {
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return String.fromCharCode(x >>> 24);
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};
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var e = 0x41000001;
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%PrepareFunctionForOptimization(f);
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f(e);
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%OptimizeFunctionOnNextCall(f);
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assertEquals("A", f(e));
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})();
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(function() {
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function f(x) {
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return (x >>> 24) & 0xffff;
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};
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%PrepareFunctionForOptimization(f);
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f(1);
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%OptimizeFunctionOnNextCall(f);
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assertEquals(0, f(1));
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assertEquals(100, f((100 << 24) + 42));
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})();
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