convert the DIE printing stuff to use raw_ostream instead of std::ostream.
Tweak #includes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79800 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/AsmPrinter/DwarfLabel.cpp b/lib/CodeGen/AsmPrinter/DwarfLabel.cpp
index 8021b7c..6e9293a 100644
--- a/lib/CodeGen/AsmPrinter/DwarfLabel.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfLabel.cpp
@@ -13,7 +13,7 @@
 
 #include "DwarfLabel.h"
 #include "llvm/ADT/FoldingSet.h"
-#include <ostream>
+#include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
 
@@ -25,10 +25,7 @@
 }
 
 #ifndef NDEBUG
-void DWLabel::print(std::ostream *O) const {
-  if (O) print(*O);
-}
-void DWLabel::print(std::ostream &O) const {
+void DWLabel::print(raw_ostream &O) const {
   O << "." << Tag;
   if (Number) O << Number;
 }