e31f0a7d25
PR-URL: https://github.com/nodejs/node/pull/28918 Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Rich Trott <rtrott@gmail.com>
35 lines
665 B
JavaScript
35 lines
665 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() {
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var arguments_ = arguments;
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if (undefined) {
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while (true) {
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arguments_[0];
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}
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} else {
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%DeoptimizeNow();
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return arguments_[0];
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}
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};
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%PrepareFunctionForOptimization(f);
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;
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f(0);
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f(0);
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%OptimizeFunctionOnNextCall(f);
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assertEquals(1, f(1));
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function g() {
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var a = arguments;
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%DeoptimizeNow();
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return a.length;
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};
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%PrepareFunctionForOptimization(g);
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g(1);
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g(1);
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%OptimizeFunctionOnNextCall(g);
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assertEquals(1, g(1));
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