From 06e8d835dde38ae25f995aac684bc0fab46dc514 Mon Sep 17 00:00:00 2001
From: Peter Johnson <johnson.peter@gmail.com>
Date: Fri, 31 Jul 2015 23:20:59 -0700
Subject: [PATCH] Provide ostream output for StringRef.

---
 include/llvm/StringRef.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/llvm/StringRef.h b/include/llvm/StringRef.h
index fabda60d07..1ffe29fe60 100644
--- a/include/llvm/StringRef.h
+++ b/include/llvm/StringRef.h
@@ -14,6 +14,7 @@
 #include <cassert>
 #include <cstring>
 #include <limits>
+#include <ostream>
 #include <string>
 #include <utility>
 
@@ -523,6 +524,11 @@ namespace llvm {
     return buffer.append(string.data(), string.size());
   }
 
+  inline std::ostream &operator<<(std::ostream &os, StringRef string) {
+    os.write(string.data(), string.size());
+    return os;
+  }
+
   /// @}
 
   // StringRefs can be treated like a POD type.