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diff --git a/contrib/llvm-project/libcxx/include/__math/min_max.h b/contrib/llvm-project/libcxx/include/__math/min_max.h
new file mode 100644
index 000000000000..381b2af4a56c
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+++ b/contrib/llvm-project/libcxx/include/__math/min_max.h
@@ -0,0 +1,74 @@
+//===----------------------------------------------------------------------===//
+//
+// 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___MATH_MIN_MAX_H
+#define _LIBCPP___MATH_MIN_MAX_H
+
+#include <__config>
+#include <__type_traits/enable_if.h>
+#include <__type_traits/is_arithmetic.h>
+#include <__type_traits/is_same.h>
+#include <__type_traits/promote.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#  pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+namespace __math {
+
+// fmax
+
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI float fmax(float __x, float __y) _NOEXCEPT {
+  return __builtin_fmaxf(__x, __y);
+}
+
+template <class = int>
+_LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI double fmax(double __x, double __y) _NOEXCEPT {
+  return __builtin_fmax(__x, __y);
+}
+
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI long double fmax(long double __x, long double __y) _NOEXCEPT {
+  return __builtin_fmaxl(__x, __y);
+}
+
+template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type fmax(_A1 __x, _A2 __y) _NOEXCEPT {
+  using __result_type = typename __promote<_A1, _A2>::type;
+  static_assert((!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value)), "");
+  return __math::fmax((__result_type)__x, (__result_type)__y);
+}
+
+// fmin
+
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI float fmin(float __x, float __y) _NOEXCEPT {
+  return __builtin_fminf(__x, __y);
+}
+
+template <class = int>
+_LIBCPP_NODISCARD_EXT _LIBCPP_HIDE_FROM_ABI double fmin(double __x, double __y) _NOEXCEPT {
+  return __builtin_fmin(__x, __y);
+}
+
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI long double fmin(long double __x, long double __y) _NOEXCEPT {
+  return __builtin_fminl(__x, __y);
+}
+
+template <class _A1, class _A2, __enable_if_t<is_arithmetic<_A1>::value && is_arithmetic<_A2>::value, int> = 0>
+_LIBCPP_NODISCARD_EXT inline _LIBCPP_HIDE_FROM_ABI typename __promote<_A1, _A2>::type fmin(_A1 __x, _A2 __y) _NOEXCEPT {
+  using __result_type = typename __promote<_A1, _A2>::type;
+  static_assert((!(_IsSame<_A1, __result_type>::value && _IsSame<_A2, __result_type>::value)), "");
+  return __math::fmin((__result_type)__x, (__result_type)__y);
+}
+
+} // namespace __math
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___MATH_MIN_MAX_H