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-rw-r--r--clang/include/clang/AST/ODRHash.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/include/clang/AST/ODRHash.h b/clang/include/clang/AST/ODRHash.h
index 75b36178921..0e52d3d8543 100644
--- a/clang/include/clang/AST/ODRHash.h
+++ b/clang/include/clang/AST/ODRHash.h
@@ -13,6 +13,9 @@
///
//===----------------------------------------------------------------------===//
+#ifndef LLVM_CLANG_AST_ODRHASH_H
+#define LLVM_CLANG_AST_ODRHASH_H
+
#include "clang/AST/DeclarationName.h"
#include "clang/AST/Type.h"
#include "clang/AST/TemplateBase.h"
@@ -91,3 +94,5 @@ public:
};
} // end namespace clang
+
+#endif
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