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-rw-r--r--clang-tools-extra/unittests/clangd/TestFS.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/clang-tools-extra/unittests/clangd/TestFS.h b/clang-tools-extra/unittests/clangd/TestFS.h
index bec8817c20b..06a1d8aca3d 100644
--- a/clang-tools-extra/unittests/clangd/TestFS.h
+++ b/clang-tools-extra/unittests/clangd/TestFS.h
@@ -10,6 +10,8 @@
// Allows setting up fake filesystem environments for tests.
//
//===----------------------------------------------------------------------===//
+#ifndef LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANGD_TESTFS_H
+#define LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANGD_TESTFS_H
#include "ClangdServer.h"
#include "clang/Basic/VirtualFileSystem.h"
#include "llvm/ADT/IntrusiveRefCntPtr.h"
@@ -56,3 +58,4 @@ std::string testPath(PathRef File);
} // namespace clangd
} // namespace clang
+#endif
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