1 files changed, 8 insertions, 9 deletions
diff --git a/lib/AST/StmtViz.cpp b/lib/AST/StmtViz.cpp
index 96b5218ba2f0..61fd750ccc83 100644
--- a/lib/AST/StmtViz.cpp
+++ b/lib/AST/StmtViz.cpp
@@ -15,7 +15,6 @@
 #include "clang/AST/StmtGraphTraits.h"
 #include "clang/AST/Decl.h"
 #include "llvm/Support/GraphWriter.h"
-#include <sstream>
 
 using namespace clang;
 
@@ -23,8 +22,8 @@ void Stmt::viewAST() const {
 #ifndef NDEBUG
   llvm::ViewGraph(this,"AST");
 #else
-  llvm::cerr << "Stmt::viewAST is only available in debug builds on "
-  << "systems with Graphviz or gv!\n";
+  llvm::errs() << "Stmt::viewAST is only available in debug builds on "
+               << "systems with Graphviz or gv!\n";
 #endif
 }
 
@@ -33,26 +32,26 @@ template<>
 struct DOTGraphTraits<const Stmt*> : public DefaultDOTGraphTraits {
   static std::string getNodeLabel(const Stmt* Node, const Stmt* Graph,
                                   bool ShortNames) {
-    
+
 #ifndef NDEBUG
     std::string OutSStr;
     llvm::raw_string_ostream Out(OutSStr);
-    
+
     if (Node)
       Out << Node->getStmtClassName();
     else
       Out << "<NULL>";
-      
-    std::string OutStr = Out.str();    
+
+    std::string OutStr = Out.str();
     if (OutStr[0] == '\n') OutStr.erase(OutStr.begin());
-    
+
     // Process string output to make it nicer...
     for (unsigned i = 0; i != OutStr.length(); ++i)
       if (OutStr[i] == '\n') {                            // Left justify
         OutStr[i] = '\\';
         OutStr.insert(OutStr.begin()+i+1, 'l');
       }
-    
+
     return OutStr;
 #else
     return "";