Update clang to r339409.

Change-Id: I800772d2d838223be1f6b40d490c4591b937fca2
diff --git a/linux-x64/clang/include/llvm/Analysis/IndirectCallPromotionAnalysis.h b/linux-x64/clang/include/llvm/Analysis/IndirectCallPromotionAnalysis.h
index 8b1c101..be3a284 100644
--- a/linux-x64/clang/include/llvm/Analysis/IndirectCallPromotionAnalysis.h
+++ b/linux-x64/clang/include/llvm/Analysis/IndirectCallPromotionAnalysis.h
@@ -48,7 +48,7 @@
 public:
   ICallPromotionAnalysis();
 
-  /// \brief Returns reference to array of InstrProfValueData for the given
+  /// Returns reference to array of InstrProfValueData for the given
   /// instruction \p I.
   ///
   /// The \p NumVals, \p TotalCount and \p NumCandidates