Update clang to r339409.

Change-Id: I800772d2d838223be1f6b40d490c4591b937fca2
diff --git a/linux-x64/clang/include/llvm/Pass.h b/linux-x64/clang/include/llvm/Pass.h
index a29b377..d65347d 100644
--- a/linux-x64/clang/include/llvm/Pass.h
+++ b/linux-x64/clang/include/llvm/Pass.h
@@ -353,18 +353,18 @@
 
 /// If the user specifies the -time-passes argument on an LLVM tool command line
 /// then the value of this boolean will be true, otherwise false.
-/// @brief This is the storage for the -time-passes option.
+/// This is the storage for the -time-passes option.
 extern bool TimePassesIsEnabled;
 
 /// isFunctionInPrintList - returns true if a function should be printed via
 //  debugging options like -print-after-all/-print-before-all.
-//  @brief Tells if the function IR should be printed by PrinterPass.
+//  Tells if the function IR should be printed by PrinterPass.
 extern bool isFunctionInPrintList(StringRef FunctionName);
 
 /// forcePrintModuleIR - returns true if IR printing passes should
 //  be printing module IR (even for local-pass printers e.g. function-pass)
 //  to provide more context, as enabled by debugging option -print-module-scope
-//  @brief Tells if IR printer should be printing module IR
+//  Tells if IR printer should be printing module IR
 extern bool forcePrintModuleIR();
 
 } // end namespace llvm