Update clang to r339409b.

Change-Id: Ied8a188bb072c40035320acedc86164b66d920af
diff --git a/linux-x64/clang/include/llvm/ExecutionEngine/Orc/CompileUtils.h b/linux-x64/clang/include/llvm/ExecutionEngine/Orc/CompileUtils.h
index 213a591..3d02f9d 100644
--- a/linux-x64/clang/include/llvm/ExecutionEngine/Orc/CompileUtils.h
+++ b/linux-x64/clang/include/llvm/ExecutionEngine/Orc/CompileUtils.h
@@ -16,7 +16,7 @@
 
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ExecutionEngine/ObjectCache.h"
-#include "llvm/ExecutionEngine/Orc/ExecutionUtils.h"
+#include "llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h"
 #include "llvm/IR/LegacyPassManager.h"
 #include "llvm/Object/Binary.h"
 #include "llvm/Object/ObjectFile.h"