diff --git a/lib/Analysis/DataStructure/EquivClassGraphs.cpp b/lib/Analysis/DataStructure/EquivClassGraphs.cpp
index e895ef3c135..ef78d66f7a5 100644
--- a/lib/Analysis/DataStructure/EquivClassGraphs.cpp
+++ b/lib/Analysis/DataStructure/EquivClassGraphs.cpp
@@ -102,6 +102,7 @@ bool EquivClassGraphs::runOnModule(Module &M) {
   DEBUG(CheckAllGraphs(&M, *this));
 
   getGlobalsGraph().removeTriviallyDeadNodes();
+  getGlobalsGraph().markIncompleteNodes(DSGraph::IgnoreGlobals);
 
   // Merge the globals variables (not the calls) from the globals graph back
   // into the main function's graph so that the main function contains all of