|  | // Copyright (c) 2022, the R8 project authors. Please see the AUTHORS file | 
|  | // for details. All rights reserved. Use of this source code is governed by a | 
|  | // BSD-style license that can be found in the LICENSE file. | 
|  |  | 
|  | package jdk8272564; | 
|  |  | 
|  | public class Main { | 
|  | // From javac in JDK-18 all of the following three invokes of toString are compiled to | 
|  | // invokeinterface. Prior to JDK 18 the last two where compiled to invokevirtual. | 
|  | // See https://bugs.openjdk.java.net/browse/JDK-8272564. | 
|  | static void f(I i, J j, K k) { | 
|  | i.toString(); | 
|  | j.toString(); | 
|  | k.toString(); | 
|  | } | 
|  |  | 
|  | // Remaining public methods on Object. | 
|  | static void g(I i, J j, K k) throws InterruptedException { | 
|  | i.hashCode(); | 
|  | j.hashCode(); | 
|  | k.hashCode(); | 
|  | i.equals(new Object()); | 
|  | j.equals(new Object()); | 
|  | k.equals(new Object()); | 
|  | i.getClass(); | 
|  | j.getClass(); | 
|  | k.getClass(); | 
|  | i.notify(); | 
|  | j.notify(); | 
|  | k.notify(); | 
|  | i.notifyAll(); | 
|  | j.notifyAll(); | 
|  | k.notifyAll(); | 
|  | i.wait(); | 
|  | j.wait(); | 
|  | k.wait(); | 
|  | i.wait(1L); | 
|  | j.wait(1L); | 
|  | k.wait(1L); | 
|  | i.wait(1L, 1); | 
|  | j.wait(1L, 1); | 
|  | k.wait(1L, 1); | 
|  | } | 
|  |  | 
|  | public static void main(String[] args) { | 
|  | f(new A(), new B(), new C()); | 
|  | } | 
|  | } |