1 files changed, 31 insertions, 0 deletions
diff --git a/contrib/llvm-project/libcxx/include/__random/is_seed_sequence.h b/contrib/llvm-project/libcxx/include/__random/is_seed_sequence.h
new file mode 100644
index 000000000000..c7171cff2eda
--- /dev/null
+++ b/contrib/llvm-project/libcxx/include/__random/is_seed_sequence.h
@@ -0,0 +1,31 @@
+//===----------------------------------------------------------------------===//
+//
+// 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___RANDOM_IS_SEED_SEQUENCE_H
+#define _LIBCPP___RANDOM_IS_SEED_SEQUENCE_H
+
+#include <__config>
+#include <__type_traits/is_convertible.h>
+#include <__type_traits/is_same.h>
+#include <__type_traits/remove_cv.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+template <class _Sseq, class _Engine>
+struct __is_seed_sequence {
+  static _LIBCPP_CONSTEXPR const bool value =
+      !is_convertible<_Sseq, typename _Engine::result_type>::value && !is_same<__remove_cv_t<_Sseq>, _Engine>::value;
+};
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___RANDOM_IS_SEED_SEQUENCE_H