/* * Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ /* * @test * @bug 8154587 * @summary Check that invokevirtual of clone() calls java.lang.Object.clone() * even if a superinterface has an abstract method named clone(). * @compile DefMethClone.jasm SuperClass.jasm I1Abstr.java NoLocalCloneAbstr.jasm * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:-BytecodeVerificationRemote -XX:-BytecodeVerificationLocal NoLocalCloneAbstr */ // The below .jasm code implements the following java code: // // public class NoLocalCloneAbstr extends SuperClass implements Cloneable,I1Abstr { // // static Object test(SuperClass a) { return a.clone(); } // // public static void main(String[] args) { // Object obj = test(new NoLocalCloneAbstr()); // if (!(obj instanceof NoLocalCloneAbstr)) { // throw new RuntimeException("Wrong clone() called."); // } // } // } super public class NoLocalCloneAbstr extends SuperClass implements java/lang/Cloneable, I1Abstr version 54:0 { public Method "":"()V" stack 1 locals 1 { aload_0; invokespecial Method SuperClass."":"()V"; return; } static Method test:"(LSuperClass;)Ljava/lang/Object;" stack 1 locals 1 { aload_0; invokevirtual Method SuperClass.clone:"()Ljava/lang/Object;"; areturn; } public static Method main:"([Ljava/lang/String;)V" stack 3 locals 2 { new class NoLocalCloneAbstr; dup; invokespecial Method "":"()V"; invokestatic Method test:"(LSuperClass;)Ljava/lang/Object;"; astore_1; aload_1; instanceof class NoLocalCloneAbstr; ifne L31; new class java/lang/RuntimeException; dup; ldc String "Wrong clone() called."; invokespecial Method java/lang/RuntimeException."":"(Ljava/lang/String;)V"; athrow; L31: stack_frame_type append; locals_map class java/lang/Object; return; } } // end Class NoLocalCloneAbstr