--- a/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/Navigation.java	Thu May 17 08:41:01 2018 -0700
+++ b/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/markup/Navigation.java	Thu May 17 12:59:53 2018 -0700
@@ -89,6 +89,8 @@
             + "//-->\n");
 
     public enum PageMode {
+        ALLCLASSES,
+        ALLPACKAGES,
         CLASS,
         CONSTANTVALUES,
         DEPRECATED,
@@ -378,6 +380,8 @@
                     addHelpLink(tree);
                 }
                 break;
+            case ALLCLASSES:
+            case ALLPACKAGES:
             case CONSTANTVALUES:
             case SERIALIZEDFORM:
                 addOverviewLink(tree);