--- old/src/java.base/share/classes/java/lang/annotation/AnnotationFormatError.java	2019-08-27 17:27:43.370324386 -0700
+++ new/src/java.base/share/classes/java/lang/annotation/AnnotationFormatError.java	2019-08-27 17:27:43.150324386 -0700
@@ -37,6 +37,7 @@
  * @since   1.5
  */
 public class AnnotationFormatError extends Error {
+    @java.io.Serial
     private static final long serialVersionUID = -4256701562333669892L;
 
     /**