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-rw-r--r--include/llvm/ADT/EquivalenceClasses.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/llvm/ADT/EquivalenceClasses.h b/include/llvm/ADT/EquivalenceClasses.h
index 0c62cb57db..a866cd67e1 100644
--- a/include/llvm/ADT/EquivalenceClasses.h
+++ b/include/llvm/ADT/EquivalenceClasses.h
@@ -16,6 +16,7 @@
#define LLVM_ADT_EQUIVALENCECLASSES_H
#include "llvm/ADT/iterator"
+#include "llvm/Support/DataTypes.h"
#include <set>
namespace llvm {