Fixing the ENABLE_OPTIMIZED=1 DISABLE_ASSERTIONS=1 build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31822 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
index fb187a6..c0c84b5 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
@@ -24,6 +24,7 @@
 #include "llvm/Config/config.h"
 #include <fstream>
 #include <sstream>
+#include <iostream>
 using namespace llvm;
 
 namespace llvm {