Update clang to r339409.

Change-Id: I800772d2d838223be1f6b40d490c4591b937fca2
diff --git a/linux-x64/clang/include/llvm/MC/MCDisassembler/MCSymbolizer.h b/linux-x64/clang/include/llvm/MC/MCDisassembler/MCSymbolizer.h
index d85cf5e..0bfa569 100644
--- a/linux-x64/clang/include/llvm/MC/MCDisassembler/MCSymbolizer.h
+++ b/linux-x64/clang/include/llvm/MC/MCDisassembler/MCSymbolizer.h
@@ -27,7 +27,7 @@
 class MCInst;
 class raw_ostream;
 
-/// \brief Symbolize and annotate disassembled instructions.
+/// Symbolize and annotate disassembled instructions.
 ///
 /// For now this mimics the old symbolization logic (from both ARM and x86), that
 /// relied on user-provided (C API) callbacks to do the actual symbol lookup in
@@ -42,7 +42,7 @@
   std::unique_ptr<MCRelocationInfo> RelInfo;
 
 public:
-  /// \brief Construct an MCSymbolizer, taking ownership of \p RelInfo.
+  /// Construct an MCSymbolizer, taking ownership of \p RelInfo.
   MCSymbolizer(MCContext &Ctx, std::unique_ptr<MCRelocationInfo> RelInfo)
     : Ctx(Ctx), RelInfo(std::move(RelInfo)) {
   }
@@ -51,7 +51,7 @@
   MCSymbolizer &operator=(const MCSymbolizer &) = delete;
   virtual ~MCSymbolizer();
 
-  /// \brief Try to add a symbolic operand instead of \p Value to the MCInst.
+  /// Try to add a symbolic operand instead of \p Value to the MCInst.
   ///
   /// Instead of having a difficult to read immediate, a symbolic operand would
   /// represent this immediate in a more understandable way, for instance as a
@@ -70,7 +70,7 @@
                                         bool IsBranch, uint64_t Offset,
                                         uint64_t InstSize) = 0;
 
-  /// \brief Try to add a comment on the PC-relative load.
+  /// Try to add a comment on the PC-relative load.
   /// For instance, in Mach-O, this is used to add annotations to instructions
   /// that use C string literals, as found in __cstring.
   virtual void tryAddingPcLoadReferenceComment(raw_ostream &cStream,