--- old/src/java.base/share/classes/sun/reflect/annotation/AnnotationInvocationHandler.java	2019-08-27 17:29:35.410324386 -0700
+++ new/src/java.base/share/classes/sun/reflect/annotation/AnnotationInvocationHandler.java	2019-08-27 17:29:35.234324386 -0700
@@ -41,6 +41,7 @@
  * @since   1.5
  */
 class AnnotationInvocationHandler implements InvocationHandler, Serializable {
+    @java.io.Serial
     private static final long serialVersionUID = 6182022883658399397L;
     private final Class<? extends Annotation> type;
     private final Map<String, Object> memberValues;
@@ -603,6 +604,7 @@
         return Arrays.hashCode((Object[]) value);
     }
 
+    @java.io.Serial
     private void readObject(java.io.ObjectInputStream s)
         throws java.io.IOException, ClassNotFoundException {
         ObjectInputStream.GetField fields = s.readFields();