Index: Constants.cpp
===================================================================
--- Constants.cpp	(revision 77448)
+++ Constants.cpp	(working copy)
@@ -32,6 +32,7 @@
 #include "llvm/System/Threading.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/MetaData.h"
 #include <algorithm>
 #include <map>
 using namespace llvm;
