diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index 3862858..f2cf336 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -256,7 +256,8 @@
 /// CreateStackObject - Create a stack object for a value of the specified type.
 ///
 int MachineFrameInfo::CreateStackObject(const Type *Ty, const TargetData &TD) {
-  return CreateStackObject(TD.getTypeSize(Ty), TD.getTypeAlignment(Ty));
+  return CreateStackObject((unsigned)TD.getTypeSize(Ty), 
+                           TD.getTypeAlignment(Ty));
 }