Add explicit #includes of <iostream>

llvm-svn: 25515
diff --git a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
index d5160cd..125a18dd 100644
--- a/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/llvm/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -34,6 +34,7 @@
 #include "llvm/ADT/STLExtras.h"
 #include <algorithm>
 #include <cmath>
+#include <iostream>
 using namespace llvm;
 
 namespace {