Update clang to r339409.

Change-Id: I800772d2d838223be1f6b40d490c4591b937fca2
diff --git a/linux-x64/clang/include/llvm/Analysis/OrderedBasicBlock.h b/linux-x64/clang/include/llvm/Analysis/OrderedBasicBlock.h
index 2e716af..0776aa6 100644
--- a/linux-x64/clang/include/llvm/Analysis/OrderedBasicBlock.h
+++ b/linux-x64/clang/include/llvm/Analysis/OrderedBasicBlock.h
@@ -33,28 +33,28 @@
 
 class OrderedBasicBlock {
 private:
-  /// \brief Map a instruction to its position in a BasicBlock.
+  /// Map a instruction to its position in a BasicBlock.
   SmallDenseMap<const Instruction *, unsigned, 32> NumberedInsts;
 
-  /// \brief Keep track of last instruction inserted into \p NumberedInsts.
+  /// Keep track of last instruction inserted into \p NumberedInsts.
   /// It speeds up queries for uncached instructions by providing a start point
   /// for new queries in OrderedBasicBlock::comesBefore.
   BasicBlock::const_iterator LastInstFound;
 
-  /// \brief The position/number to tag the next instruction to be found.
+  /// The position/number to tag the next instruction to be found.
   unsigned NextInstPos;
 
-  /// \brief The source BasicBlock to map.
+  /// The source BasicBlock to map.
   const BasicBlock *BB;
 
-  /// \brief Given no cached results, find if \p A comes before \p B in \p BB.
+  /// Given no cached results, find if \p A comes before \p B in \p BB.
   /// Cache and number out instruction while walking \p BB.
   bool comesBefore(const Instruction *A, const Instruction *B);
 
 public:
   OrderedBasicBlock(const BasicBlock *BasicB);
 
-  /// \brief Find out whether \p A dominates \p B, meaning whether \p A
+  /// Find out whether \p A dominates \p B, meaning whether \p A
   /// comes before \p B in \p BB. This is a simplification that considers
   /// cached instruction positions and ignores other basic blocks, being
   /// only relevant to compare relative instructions positions inside \p BB.