--- old/src/java.base/share/classes/java/lang/reflect/GenericSignatureFormatError.java	2019-08-27 17:27:49.242324386 -0700
+++ new/src/java.base/share/classes/java/lang/reflect/GenericSignatureFormatError.java	2019-08-27 17:27:49.062324386 -0700
@@ -34,6 +34,7 @@
  * @since 1.5
  */
 public class GenericSignatureFormatError extends ClassFormatError {
+    @java.io.Serial
     private static final long serialVersionUID = 6709919147137911034L;
 
     /**