Twine: Use raw_ostream::write_hex, remove unused itohexstr method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77617 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Support/Twine.cpp b/lib/Support/Twine.cpp
index 2b0cf06..83a3a61 100644
--- a/lib/Support/Twine.cpp
+++ b/lib/Support/Twine.cpp
@@ -60,8 +60,7 @@
     OS << *static_cast<const int64_t*>(Ptr);
     break;
   case Twine::UHexKind:
-    // FIXME: Add raw_ostream functionality for this.
-    OS << ::utohexstr(*static_cast<const uint64_t*>(Ptr));
+    OS.write_hex(*static_cast<const uint64_t*>(Ptr));
     break;
   }
 }