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-rw-r--r--clang/lib/Frontend/DependencyFile.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/Frontend/DependencyFile.cpp b/clang/lib/Frontend/DependencyFile.cpp
index 1c175c7..fe4218b 100644
--- a/clang/lib/Frontend/DependencyFile.cpp
+++ b/clang/lib/Frontend/DependencyFile.cpp
@@ -44,7 +44,7 @@ struct DepCollectorPPCallbacks : public PPCallbacks {
// Dependency generation really does want to go all the way to the
// file entry for a source location to find out what is depended on.
// We do not want #line markers to affect dependency generation!
- if (Optional<StringRef> Filename =
+ if (std::optional<StringRef> Filename =
PP.getSourceManager().getNonBuiltinFilenameForID(FID))
DepCollector.maybeAddDependency(
llvm::sys::path::remove_leading_dotslash(*Filename),