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-rw-r--r--clang-tools-extra/clang-tidy/utils/FileExtensionsUtils.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/clang-tools-extra/clang-tidy/utils/FileExtensionsUtils.cpp b/clang-tools-extra/clang-tidy/utils/FileExtensionsUtils.cpp
index 07c9eb0..6b1fe06 100644
--- a/clang-tools-extra/clang-tidy/utils/FileExtensionsUtils.cpp
+++ b/clang-tools-extra/clang-tidy/utils/FileExtensionsUtils.cpp
@@ -9,6 +9,7 @@
#include "FileExtensionsUtils.h"
#include "clang/Basic/CharInfo.h"
#include "llvm/Support/Path.h"
+#include <optional>
namespace clang {
namespace tidy {