It turns out that this #include is needed because otherwise

ValueMapper.cpp ends up calling an out of line 
__ZNK4llvm12PATypeHolder3getEv, which is a template and llvm-config
determines arbitrarily to use the one in libipo.  This sucks, but
keeping the #include is a reasonable workaround.

llvm-svn: 94103

llvm/lib/Transforms/Utils/ValueMapper.cpp

@@ -13,7 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Transforms/Utils/ValueMapper.h"
-#include "llvm/DerivedTypes.h"
+#include "llvm/Type.h"
 #include "llvm/Constants.h"
 #include "llvm/Function.h"
 #include "llvm/Metadata.h"