Update clang to r339409b.

Change-Id: Ied8a188bb072c40035320acedc86164b66d920af
diff --git a/linux-x64/clang/include/llvm/ProfileData/InstrProf.h b/linux-x64/clang/include/llvm/ProfileData/InstrProf.h
index 206142b..dc45021 100644
--- a/linux-x64/clang/include/llvm/ProfileData/InstrProf.h
+++ b/linux-x64/clang/include/llvm/ProfileData/InstrProf.h
@@ -544,9 +544,9 @@
 void InstrProfSymtab::finalizeSymtab() {
   if (Sorted)
     return;
-  llvm::sort(MD5NameMap.begin(), MD5NameMap.end(), less_first());
-  llvm::sort(MD5FuncMap.begin(), MD5FuncMap.end(), less_first());
-  llvm::sort(AddrToMD5Map.begin(), AddrToMD5Map.end(), less_first());
+  llvm::sort(MD5NameMap, less_first());
+  llvm::sort(MD5FuncMap, less_first());
+  llvm::sort(AddrToMD5Map, less_first());
   AddrToMD5Map.erase(std::unique(AddrToMD5Map.begin(), AddrToMD5Map.end()),
                      AddrToMD5Map.end());
   Sorted = true;