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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>
29 lines
514 B
JavaScript
29 lines
514 B
JavaScript
// Copyright 2015 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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"use strict";
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var B = class extends Int32Array {};
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function f(b) {
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if (b) {
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null instanceof B;
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}
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};
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%PrepareFunctionForOptimization(f);
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f();
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f();
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f();
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%OptimizeFunctionOnNextCall(f);
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f();
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function f2() {
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return new B();
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};
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%PrepareFunctionForOptimization(f2);
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%OptimizeFunctionOnNextCall(f2);
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f2();
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