--- old/src/java.base/share/classes/java/lang/OutOfMemoryError.java	2019-08-27 17:27:31.814324386 -0700
+++ new/src/java.base/share/classes/java/lang/OutOfMemoryError.java	2019-08-27 17:27:31.630324386 -0700
@@ -39,6 +39,7 @@
  * @since   1.0
  */
 public class OutOfMemoryError extends VirtualMachineError {
+    @java.io.Serial
     private static final long serialVersionUID = 8228564086184010517L;
 
     /**