--- old/src/java.base/share/classes/java/lang/Float.java	2019-08-27 17:27:13.070324386 -0700
+++ new/src/java.base/share/classes/java/lang/Float.java	2019-08-27 17:27:12.778324386 -0700
@@ -1014,5 +1014,6 @@
     }
 
     /** use serialVersionUID from JDK 1.0.2 for interoperability */
+    @java.io.Serial
     private static final long serialVersionUID = -2671257302660747028L;
 }