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

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/*
* @test
* @bug 8154587
* @summary Check that invokevirtual of clone() finds the clone() method that
* is local to the calling class.
* @compile DefMethClone.jasm SuperClass.jasm I1.java HasLocalClone.jasm
* @run main/othervm -noverify HasLocalClone
*/
// The below .jasm code implements the following java code:
//
// public class HasLocalClone extends SuperClass implements I1 {
//
// public Object clone() {
// return "In HasLocalClone's clone()";
// }
//
// static Object test(SuperClass a) { return a.clone(); }
//
// public static void main(String[] args) {
// String s = (String)test(new HasLocalClone());
// if (!s.equals("In HasLocalCloneC's clone()")) {
// throw new RuntimeException("Wrong clone() called: " + s);
// }
// }
// }
super public class HasLocalClone extends SuperClass implements I1 version 54:0 {
public Method "<init>":"()V" stack 1 locals 1 {
aload_0;
invokespecial Method SuperClass."<init>":"()V";
return;
}
public Method clone:"()Ljava/lang/Object;" stack 1 locals 1 {
ldc String "In HasLocalClone\'s clone()";
areturn;
}
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 HasLocalClone;
dup;
invokespecial Method "<init>":"()V";
invokestatic Method test:"(LSuperClass;)Ljava/lang/Object;";
checkcast class java/lang/String;
astore_1;
aload_1;
ldc String "In HasLocalClone\'s clone()";
invokevirtual Method java/lang/String.equals:"(Ljava/lang/Object;)Z";
ifne L37;
new class java/lang/RuntimeException;
dup;
aload_1;
invokedynamic InvokeDynamic REF_invokeStatic:java/lang/invoke/StringConcatFactory.makeConcatWithConstants:"(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/invoke/CallSite;":makeConcatWithConstants:"(Ljava/lang/String;)Ljava/lang/String;" String "Wrong clone() called: ";
invokespecial Method java/lang/RuntimeException."<init>":"(Ljava/lang/String;)V";
athrow;
L37: stack_frame_type append;
locals_map class java/lang/String;
return;
}
public static final InnerClass Lookup=class java/lang/invoke/MethodHandles$Lookup of class java/lang/invoke/MethodHandles;
} // end Class HasLocalClone