1 files changed, 37 insertions, 0 deletions
diff --git a/libcxx/include/__tuple_dir/tuple_indices.h b/libcxx/include/__tuple_dir/tuple_indices.h
new file mode 100644
index 000000000000..18666d5948c9
--- /dev/null
+++ b/libcxx/include/__tuple_dir/tuple_indices.h
@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef _LIBCPP___TUPLE_MAKE_TUPLE_INDICES_H
+#define _LIBCPP___TUPLE_MAKE_TUPLE_INDICES_H
+
+#include <__config>
+#include <__utility/integer_sequence.h>
+#include <cstddef>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+#ifndef _LIBCPP_CXX03_LANG
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <size_t...> struct __tuple_indices {};
+
+template <size_t _Ep, size_t _Sp = 0>
+struct __make_tuple_indices
+{
+    static_assert(_Sp <= _Ep, "__make_tuple_indices input error");
+    typedef __make_indices_imp<_Ep, _Sp> type;
+};
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP_CXX03_LANG
+
+#endif // _LIBCPP___TUPLE_MAKE_TUPLE_INDICES_H