Java to Kotlin converter: minor corrections after code review

j2k/tests/testData/ast/function/overrideObject2.java

@@ -0,0 +1,24 @@
+//file
+class Base {}
+
+class X extends Base {
+    @Override
+    public int hashCode() {
+        return super.hashCode();
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        return super.equals(o);
+    }
+
+    @Override
+    public String toString() {
+        return super.toString();
+    }
+
+    @Override
+    protected Object clone() throws CloneNotSupportedException {
+        return super.clone();
+    }
+}