regress-653407.js 604 Bytes
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// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

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// Flags: --allow-natives-syntax
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// This is to test if 'this' gets correctly initialized when inlining
// constructors in turbofan.

class superClass {
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  constructor() {}
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}

class subClass extends superClass {
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  constructor() {
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    super();
  }
}

function f() {
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  new subClass();
};
%PrepareFunctionForOptimization(f);
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f(); // We need this to collect feedback, so that subClass gets inlined in f.
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%OptimizeFunctionOnNextCall(f);
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f();