diff --git a/llvm/lib/CodeGen/StackMapLivenessAnalysis.cpp b/llvm/lib/CodeGen/StackMapLivenessAnalysis.cpp
index d838f8a..051df72 100644
--- a/llvm/lib/CodeGen/StackMapLivenessAnalysis.cpp
+++ b/llvm/lib/CodeGen/StackMapLivenessAnalysis.cpp
@@ -21,6 +21,7 @@
 #include "llvm/CodeGen/StackMapLivenessAnalysis.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
+#include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetSubtargetInfo.h"
 
 using namespace llvm;