diff -r 60a5d9c77c4c -r b1b37e21fb6f src/java.compiler/share/classes/javax/lang/model/util/AbstractElementVisitor6.java
--- a/src/java.compiler/share/classes/javax/lang/model/util/AbstractElementVisitor6.java	Thu Oct 26 16:57:35 2017 -0700
+++ b/src/java.compiler/share/classes/javax/lang/model/util/AbstractElementVisitor6.java	Thu Oct 26 17:06:52 2017 -0700
@@ -75,7 +75,7 @@
      * @deprecated Release 6 is obsolete; update to a visitor for a newer
      * release level.
      */
-    @Deprecated
+    @Deprecated(since="9")
     protected AbstractElementVisitor6(){}
 
     /**