--- old/src/java.base/share/classes/java/lang/LinkageError.java	2019-08-27 17:27:24.646324386 -0700
+++ new/src/java.base/share/classes/java/lang/LinkageError.java	2019-08-27 17:27:24.310324386 -0700
@@ -36,6 +36,7 @@
  */
 public
 class LinkageError extends Error {
+    @java.io.Serial
     private static final long serialVersionUID = 3579600108157160122L;
 
     /**