diff --git a/llvm/lib/Target/Alpha/AlphaCodeEmitter.cpp b/llvm/lib/Target/Alpha/AlphaCodeEmitter.cpp
index 8102626..f5d517f 100644
--- a/llvm/lib/Target/Alpha/AlphaCodeEmitter.cpp
+++ b/llvm/lib/Target/Alpha/AlphaCodeEmitter.cpp
@@ -23,6 +23,7 @@
 #include "llvm/Function.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/ADT/Statistic.h"
+#include <iostream>
 using namespace llvm;
 
 namespace {