From d5987fe324fcaedcea12914d6f9644cc5329f364 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu@google.com>
Date: Sat, 10 Dec 2022 08:19:36 -0800
Subject: [PATCH] [DWARFLinker] Use std::optional in DWARFLinkerCompileUnit.h
 (NFC)

This is part of an effort to migrate from llvm::Optional to
std::optional:

https://discourse.llvm.org/t/deprecating-llvm-optional-x-hasvalue-getvalue-getvalueor/63716
---
 llvm/include/llvm/DWARFLinker/DWARFLinkerCompileUnit.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/llvm/include/llvm/DWARFLinker/DWARFLinkerCompileUnit.h b/llvm/include/llvm/DWARFLinker/DWARFLinkerCompileUnit.h
index 05e291c05132..94ac62243647 100644
--- a/llvm/include/llvm/DWARFLinker/DWARFLinkerCompileUnit.h
+++ b/llvm/include/llvm/DWARFLinker/DWARFLinkerCompileUnit.h
@@ -13,6 +13,7 @@
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/CodeGen/DIE.h"
 #include "llvm/DebugInfo/DWARF/DWARFUnit.h"
+#include <optional>
 
 namespace llvm {
 
@@ -243,7 +244,7 @@ private:
   DWARFUnit &OrigUnit;
   unsigned ID;
   std::vector<DIEInfo> Info; ///< DIE info indexed by DIE index.
-  Optional<BasicDIEUnit> NewUnit;
+  std::optional<BasicDIEUnit> NewUnit;
   MCSymbol *LabelBegin = nullptr;
 
   uint64_t StartOffset;
-- 
2.34.1