diff --git a/llvm/lib/Analysis/DataStructure/EquivClassGraphs.cpp b/llvm/lib/Analysis/DataStructure/EquivClassGraphs.cpp
index e895ef3..ef78d66 100644
--- a/llvm/lib/Analysis/DataStructure/EquivClassGraphs.cpp
+++ b/llvm/lib/Analysis/DataStructure/EquivClassGraphs.cpp
@@ -102,6 +102,7 @@
   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