| // 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. |
| |
| // Flags: --allow-natives-syntax |
| |
| // This is to test if 'this' gets correctly initialized when inlining |
| // constructors in turbofan. |
| |
| class superClass { |
| constructor() {} |
| } |
| |
| class subClass extends superClass { |
| constructor() { |
| super(); |
| } |
| } |
| |
| function f() { |
| new subClass(); |
| }; |
| %PrepareFunctionForOptimization(f); |
| f(); // We need this to collect feedback, so that subClass gets inlined in f. |
| %OptimizeFunctionOnNextCall(f); |
| f(); |
