[llvm-cov] Use std::optional in SourceCoverageViewText.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

diff --git a/llvm/tools/llvm-cov/SourceCoverageViewText.cpp b/llvm/tools/llvm-cov/SourceCoverageViewText.cpp
index 948414a..5f3eca3 100644 (file)
--- a/llvm/tools/llvm-cov/SourceCoverageViewText.cpp
+++ b/llvm/tools/llvm-cov/SourceCoverageViewText.cpp
@@ -16,6 +16,7 @@
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/Support/Format.h"
+#include <optional>
 
 using namespace llvm;
 
@@ -102,7 +103,7 @@ void SourceCoverageViewText::renderLine(raw_ostream &OS, LineRef L,
   auto *WrappedSegment = LCS.getWrappedSegment();
   CoverageSegmentArray Segments = LCS.getLineSegments();
 
-  Optional<raw_ostream::Colors> Highlight;
+  std::optional<raw_ostream::Colors> Highlight;
   SmallVector<std::pair<unsigned, unsigned>, 2> HighlightedRanges;
 
   // The first segment overlaps from a previous line, so we treat it specially.