test/843-default-interface/src/Main.java

/*
 * Copyright (C) 2022 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.
 */

public class Main {
  static SubItf itf = new Impl();
  public static void main(String[] args) throws Exception {
    // Loop enough to trigger the native OOME.
    for (int i = 0; i < 50000; ++i) {
      // Because the imt index was overwritten to 0, this call ended up
      // in the conflict trampoline which wrongly updated the 0th entry
      // of the imt table. This lead to this call always calling the
      // conflict trampoline.
      itf.foo();
    }
  }
}