Add explicit #includes of <iostream>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25515 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/RegAllocLinearScan.cpp b/lib/CodeGen/RegAllocLinearScan.cpp
index fbf6692..f5b081a 100644
--- a/lib/CodeGen/RegAllocLinearScan.cpp
+++ b/lib/CodeGen/RegAllocLinearScan.cpp
@@ -28,6 +28,7 @@
 #include "llvm/Support/Debug.h"
 #include <algorithm>
 #include <cmath>
+#include <iostream>
 #include <set>
 #include <queue>
 #include <memory>