Update clang to r339409.

Change-Id: I800772d2d838223be1f6b40d490c4591b937fca2
diff --git a/linux-x64/clang/include/llvm/Support/BinaryStreamRef.h b/linux-x64/clang/include/llvm/Support/BinaryStreamRef.h
index 5cf355b..d8dc139 100644
--- a/linux-x64/clang/include/llvm/Support/BinaryStreamRef.h
+++ b/linux-x64/clang/include/llvm/Support/BinaryStreamRef.h
@@ -147,7 +147,7 @@
   Optional<uint32_t> Length;
 };
 
-/// \brief BinaryStreamRef is to BinaryStream what ArrayRef is to an Array.  It
+/// BinaryStreamRef is to BinaryStream what ArrayRef is to an Array.  It
 /// provides copy-semantics and read only access to a "window" of the underlying
 /// BinaryStream. Note that BinaryStreamRef is *not* a BinaryStream.  That is to
 /// say, it does not inherit and override the methods of BinaryStream.  In
@@ -266,7 +266,7 @@
   /// Conver this WritableBinaryStreamRef to a read-only BinaryStreamRef.
   operator BinaryStreamRef() const;
 
-  /// \brief For buffered streams, commits changes to the backing store.
+  /// For buffered streams, commits changes to the backing store.
   Error commit();
 };