diff --git a/lib/Analysis/DataStructure/DataStructure.cpp b/lib/Analysis/DataStructure/DataStructure.cpp
index 6371196c1f7..27247897e57 100644
--- a/lib/Analysis/DataStructure/DataStructure.cpp
+++ b/lib/Analysis/DataStructure/DataStructure.cpp
@@ -799,7 +799,7 @@ void DSGraph::markIncompleteNodes(unsigned Flags) {
   // Mark all global nodes as incomplete...
   if ((Flags & DSGraph::IgnoreGlobals) == 0)
     for (unsigned i = 0, e = Nodes.size(); i != e; ++i)
-      if (Nodes[i]->NodeType & DSNode::GlobalNode)
+      if (Nodes[i]->NodeType & DSNode::GlobalNode && Nodes[i]->getNumLinks())
         markIncompleteNode(Nodes[i]);
 }