Update to LLVM 3.5a.

Change-Id: Ifadecab779f128e62e430c2b4f6ddd84953ed617
diff --git a/lib/Support/Twine.cpp b/lib/Support/Twine.cpp
index 3d04bc3..56ed964 100644
--- a/lib/Support/Twine.cpp
+++ b/lib/Support/Twine.cpp
@@ -163,9 +163,9 @@
 }
 
 void Twine::dump() const {
-  print(llvm::dbgs());
+  print(dbgs());
 }
 
 void Twine::dumpRepr() const {
-  printRepr(llvm::dbgs());
+  printRepr(dbgs());
 }