Merge pull request #71573 from bnbarham/add-missing-includes

Add a couple missing Optional includes

Author: bnbarham

include/swift/AST/IRGenOptions.h

@@ -25,6 +25,7 @@
 #include "swift/Basic/OptimizationMode.h"
 #include "swift/Config.h"
 #include "clang/Basic/PointerAuthOptions.h"
+#include "llvm/ADT/Optional.h"
 #include "llvm/IR/CallingConv.h"
 // FIXME: This include is just for llvm::SanitizerCoverageOptions. We should
 // split the header upstream so we don't include so much.

include/swift/Driver/Driver.h

@@ -25,6 +25,7 @@
 #include "swift/Basic/Sanitizers.h"
 #include "swift/Driver/Util.h"
 #include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/Optional.h"
 #include "llvm/ADT/StringRef.h"
 
 #include <functional>