New J2K: Split old j2k and new j2k tests

nj2k/testData/newJ2k/function/overrideObject2.kt

@@ -0,0 +1,21 @@
+// ERROR: Unresolved reference: clone
+internal open class Base
+
+internal class X : Base(), Cloneable {
+    override fun hashCode(): Int {
+        return super.hashCode()
+    }
+
+    override fun equals(o: Any?): Boolean {
+        return super.equals(o)
+    }
+
+    override fun toString(): String {
+        return super.toString()
+    }
+
+    @Throws(CloneNotSupportedException::class)
+    override fun clone(): Any {
+        return super.clone()
+    }
+}