From a1580d7b59b65b17f2ce7fdb95f46379e7df4089 Mon Sep 17 00:00:00 2001
From: Kazu Hirata <kazu@google.com>
Date: Sat, 14 Jan 2023 11:07:21 -0800
Subject: [clang] Add #include <optional> (NFC)

This patch adds #include <optional> to those files containing
llvm::Optional<...> or Optional<...>.

I'll post a separate patch to actually replace llvm::Optional with
std::optional.

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
---
 clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp')

diff --git a/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp b/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp
index 5c7ab65..91b86bd 100644
--- a/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp
+++ b/clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp
@@ -26,6 +26,7 @@
 #include "llvm/Support/JSON.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/VersionTuple.h"
+#include <optional>
 #include <type_traits>
 
 using namespace clang;
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