Update aosp/master clang for rebase to r233350

Change-Id: I12d4823f10bc9e445b8b86e7721b71f98d1df442
diff --git a/lib/Sema/AnalysisBasedWarnings.cpp b/lib/Sema/AnalysisBasedWarnings.cpp
index f52bc6e..8ee2410 100644
--- a/lib/Sema/AnalysisBasedWarnings.cpp
+++ b/lib/Sema/AnalysisBasedWarnings.cpp
@@ -1439,7 +1439,7 @@
 //===----------------------------------------------------------------------===//
 namespace clang {
 namespace threadSafety {
-
+namespace {
 class ThreadSafetyReporter : public clang::threadSafety::ThreadSafetyHandler {
   Sema &S;
   DiagList Warnings;
@@ -1704,9 +1704,9 @@
     CurrentFunction = 0;
   }
 };
-
-}
-}
+} // namespace
+} // namespace threadSafety
+} // namespace clang
 
 //===----------------------------------------------------------------------===//
 // -Wconsumed