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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>
26 lines
583 B
JavaScript
26 lines
583 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 --enable-slow-asserts
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class Base {
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constructor() {
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this.x = 1;
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}
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}
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class Derived extends Base {
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constructor() {
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super();
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}
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}
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// Feed a bound function as new.target
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// to the profiler, so HeapObjectMatcher
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// can find it.
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%PrepareFunctionForOptimization(Derived);
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Reflect.construct(Derived, [], Object.bind());
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%OptimizeFunctionOnNextCall(Derived);
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new Derived();
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