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>
25 lines
548 B
JavaScript
25 lines
548 B
JavaScript
// Copyright 2018 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 bar(iterator) {
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for (const entry of iterator) {}
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}
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%NeverOptimizeFunction(bar);
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function foo(a) {
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const iterator = a.values();
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bar(iterator);
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return iterator.next().done;
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}
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const a = [1, 2, 3];
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%PrepareFunctionForOptimization(foo);
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assertTrue(foo(a));
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assertTrue(foo(a));
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%OptimizeFunctionOnNextCall(foo);
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assertTrue(foo(a));
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