diff --git a/clang/lib/Analysis/UnsafeBufferUsage.cpp b/clang/lib/Analysis/UnsafeBufferUsage.cpp
index 037efc9c5d0095..3b58a51195f802 100644
--- a/clang/lib/Analysis/UnsafeBufferUsage.cpp
+++ b/clang/lib/Analysis/UnsafeBufferUsage.cpp
@@ -1269,6 +1269,7 @@ std::optional<FixItList> UPCStandalonePointerGadget::getFixits(const Strategy &S
         return FixItList{{FixItHint::CreateInsertion(
             *EndOfOperand, ".data()")}};
     }
+      [[fallthrough]];
     case Strategy::Kind::Wontfix:
     case Strategy::Kind::Iterator:
     case Strategy::Kind::Array: