Moved definition of llvm_ostream wrappers to the Streams.cpp file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31819 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Debug.cpp b/lib/Support/Debug.cpp
index cbf12c7..9cea94c 100644
--- a/lib/Support/Debug.cpp
+++ b/lib/Support/Debug.cpp
@@ -23,9 +23,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Support/Debug.h"
 #include "llvm/Support/CommandLine.h"
-#include <iostream>
+#include "llvm/Support/Debug.h"
 using namespace llvm;
 
 bool llvm::DebugFlag;  // DebugFlag - Exported boolean set by the -debug option
@@ -71,7 +70,7 @@
 // 
 llvm_ostream llvm::getErrorOutputStream(const char *DebugType) {
   if (DebugFlag && isCurrentDebugType(DebugType))
-    return llvm_ostream(std::cerr);
+    return llvm_cerr;
   else
-    return llvm_ostream();
+    return llvm_null;
 }