diff --git a/lib/Analysis/PostDominators.cpp b/lib/Analysis/PostDominators.cpp
index c3320ee..8b66ff6 100644
--- a/lib/Analysis/PostDominators.cpp
+++ b/lib/Analysis/PostDominators.cpp
@@ -4,7 +4,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Analysis/Dominators.h"
+#include "llvm/Analysis/PostDominators.h"
 #include "llvm/Transforms/Utils/UnifyFunctionExitNodes.h"
 #include "llvm/Support/CFG.h"
 #include "Support/DepthFirstIterator.h"
@@ -183,3 +183,7 @@
 
   return S;
 }
+
+// stub - a dummy function to make linking work ok.
+void PostDominanceFrontier::stub() {
+}