[mlir] Include type_traits to support latest libc++

for std::make_unsigned_t

diff --git a/mlir/include/mlir/ExecutionEngine/SparseTensor/ArithmeticUtils.h b/mlir/include/mlir/ExecutionEngine/SparseTensor/ArithmeticUtils.h
index f36da5f..c31337a 100644 (file)
--- a/mlir/include/mlir/ExecutionEngine/SparseTensor/ArithmeticUtils.h
+++ b/mlir/include/mlir/ExecutionEngine/SparseTensor/ArithmeticUtils.h
@@ -26,6 +26,7 @@
 #include <cassert>
 #include <cinttypes>
 #include <limits>
+#include <type_traits>
 
 namespace mlir {
 namespace sparse_tensor {