Harold Seigel 47bbcac667 8154587: Resolution fails for default method named 'clone'
Make sure default methods with the same names as those in j.l.Object get put in the default methods table where resolution can find them.

Reviewed-by: acorn, lfoltan
2017-12-15 11:23:50 -05:00

82 lines
2.9 KiB
Plaintext

/*
* Copyright (c) 2017, 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 -noverify 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 "<init>":"()V" stack 1 locals 1 {
aload_0;
invokespecial Method SuperClass."<init>":"()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 "<init>":"()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."<init>":"(Ljava/lang/String;)V";
athrow;
L31: stack_frame_type append;
locals_map class java/lang/Object;
return;
}
} // end Class NoLocalCloneAbstr