--- a/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/ConfigurationImpl.java	Fri Aug 19 16:45:22 2016 +0100
+++ b/langtools/src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/ConfigurationImpl.java	Fri Aug 19 12:54:02 2016 -0700
@@ -223,6 +223,8 @@
 
     protected List<SearchIndexItem> memberSearchIndex = new ArrayList<>();
 
+    protected List<SearchIndexItem> moduleSearchIndex = new ArrayList<>();
+
     protected List<SearchIndexItem> packageSearchIndex = new ArrayList<>();
 
     protected List<SearchIndexItem> tagSearchIndex = new ArrayList<>();