Add #include <iostream> since Value.h does not #include it any more.

llvm-svn: 14622
diff --git a/llvm/lib/Target/SparcV9/SparcV9RegClassInfo.cpp b/llvm/lib/Target/SparcV9/SparcV9RegClassInfo.cpp
index 0f83bb2..df4e44c 100644
--- a/llvm/lib/Target/SparcV9/SparcV9RegClassInfo.cpp
+++ b/llvm/lib/Target/SparcV9/SparcV9RegClassInfo.cpp
@@ -19,6 +19,7 @@
 #include "SparcV9RegInfo.h"
 #include "RegAlloc/RegAllocCommon.h"
 #include "RegAlloc/IGNode.h"
+#include <iostream>
 
 namespace llvm {