diff --git a/llvm/lib/CodeGen/MachineOperand.cpp b/llvm/lib/CodeGen/MachineOperand.cpp
index 3ff7a3c..80011d4 100644
--- a/llvm/lib/CodeGen/MachineOperand.cpp
+++ b/llvm/lib/CodeGen/MachineOperand.cpp
@@ -24,6 +24,7 @@
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/IRPrintingPasses.h"
 #include "llvm/IR/ModuleSlotTracker.h"
+#include "llvm/MC/MCDwarf.h"
 #include "llvm/Target/TargetIntrinsicInfo.h"
 #include "llvm/Target/TargetMachine.h"