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-rw-r--r--include/llvm/Support/ScaledNumber.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/llvm/Support/ScaledNumber.h b/include/llvm/Support/ScaledNumber.h
index c0818d9bf6..2bd7e741dd 100644
--- a/include/llvm/Support/ScaledNumber.h
+++ b/include/llvm/Support/ScaledNumber.h
@@ -28,6 +28,7 @@
#include <cstdint>
#include <limits>
#include <string>
+#include <tuple>
#include <utility>
namespace llvm {