Index: cfe/trunk/lib/Serialization/ModuleManager.cpp
===================================================================
--- cfe/trunk/lib/Serialization/ModuleManager.cpp
+++ cfe/trunk/lib/Serialization/ModuleManager.cpp
@@ -434,6 +434,7 @@
   template<>
   struct GraphTraits<ModuleManager> {
     typedef ModuleFile NodeType;
+    typedef ModuleFile *NodeRef;
     typedef llvm::SetVector<ModuleFile *>::const_iterator ChildIteratorType;
     typedef ModuleManager::ModuleConstIterator nodes_iterator;