[llvm-cov] Use std::optional in SourceCoverageViewHTML.cpp (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

1 files changed, 2 insertions, 1 deletions

diff --git a/llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp b/llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp
index 46782c9..03f1107 100644
--- a/llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp
+++ b/llvm/tools/llvm-cov/SourceCoverageViewHTML.cpp
@@ -17,6 +17,7 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/Format.h"
 #include "llvm/Support/Path.h"
+#include <optional>
 
 using namespace llvm;
 
@@ -533,7 +534,7 @@ void SourceCoverageViewHTML::renderLine(raw_ostream &OS, LineRef L,
   //    1 to set the highlight for snippet 2, segment 2 to set the highlight for
   //    snippet 3, and so on.
 
-  Optional<StringRef> Color;
+  std::optional<StringRef> Color;
   SmallVector<std::pair<unsigned, unsigned>, 2> HighlightedRanges;
   auto Highlight = [&](const std::string &Snippet, unsigned LC, unsigned RC) {
     if (getOptions().Debug)