[clang] Use std::optional instead of llvm::Optional (NFC)

This patch replaces (llvm::|)Optional< with std::optional<.  I'll post
a separate patch to remove #include "llvm/ADT/Optional.h".

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

1 files changed, 1 insertions, 1 deletions

diff --git a/clang/lib/Tooling/JSONCompilationDatabase.cpp b/clang/lib/Tooling/JSONCompilationDatabase.cpp
index cc5bd4a..41e502d 100644
--- a/clang/lib/Tooling/JSONCompilationDatabase.cpp
+++ b/clang/lib/Tooling/JSONCompilationDatabase.cpp
@@ -350,7 +350,7 @@ bool JSONCompilationDatabase::parse(std::string &ErrorMessage) {
       return false;
     }
     llvm::yaml::ScalarNode *Directory = nullptr;
-    llvm::Optional<std::vector<llvm::yaml::ScalarNode *>> Command;
+    std::optional<std::vector<llvm::yaml::ScalarNode *>> Command;
     llvm::yaml::ScalarNode *File = nullptr;
     llvm::yaml::ScalarNode *Output = nullptr;
     for (auto& NextKeyValue : *Object) {