diff --git a/clang/lib/StaticAnalyzer/Checkers/ObjCAtSyncChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/ObjCAtSyncChecker.cpp
index 1fce2bb..fbf2d73 100644
--- a/clang/lib/StaticAnalyzer/Checkers/ObjCAtSyncChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/ObjCAtSyncChecker.cpp
@@ -26,8 +26,8 @@
 namespace {
 class ObjCAtSyncChecker
     : public Checker< check::PreStmt<ObjCAtSynchronizedStmt> > {
-  mutable OwningPtr<BuiltinBug> BT_null;
-  mutable OwningPtr<BuiltinBug> BT_undef;
+  mutable std::unique_ptr<BuiltinBug> BT_null;
+  mutable std::unique_ptr<BuiltinBug> BT_undef;
 
 public:
   void checkPreStmt(const ObjCAtSynchronizedStmt *S, CheckerContext &C) const;