/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

class SuperClass {
  public int doInvoke() {
    synchronized (this) {
      return 42;
    }
  }
}

public class Main extends SuperClass {

  public static void main(String[] args) {
    Main m = new Main();
    int value = doInvokeTypedSuperClass(m);
    if (value != 43) {
      throw new Error("Expected 43, got " + value);
    }
  }

  public static int doInvokeTypedSuperClass(SuperClass sc) {
    return sc.doInvoke();
  }

  public int doInvoke() {
    synchronized (this) {
      return super.doInvoke() + 1;
    }
  }
}