1 files changed, 2 insertions, 1 deletions
diff --git a/clang/lib/StaticAnalyzer/Checkers/MacOSKeychainAPIChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/MacOSKeychainAPIChecker.cpp
index 635eb00e4ca9..c1b85ace3e2d 100644
--- a/clang/lib/StaticAnalyzer/Checkers/MacOSKeychainAPIChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/MacOSKeychainAPIChecker.cpp
@@ -21,6 +21,7 @@
 #include "clang/StaticAnalyzer/Core/PathSensitive/ProgramStateTrait.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/Support/raw_ostream.h"
+#include <optional>
 
 using namespace clang;
 using namespace ento;
@@ -209,7 +210,7 @@ static SymbolRef getAsPointeeSymbol(const Expr *Expr,
   ProgramStateRef State = C.getState();
   SVal ArgV = C.getSVal(Expr);
 
-  if (Optional<loc::MemRegionVal> X = ArgV.getAs<loc::MemRegionVal>()) {
+  if (std::optional<loc::MemRegionVal> X = ArgV.getAs<loc::MemRegionVal>()) {
     StoreManager& SM = C.getStoreManager();
     SymbolRef sym = SM.getBinding(State->getStore(), *X).getAsLocSymbol();
     if (sym)