Restoring authorship annotation for Andrey Khalyavin <halyavin@gmail.com>. Commit 2 of 2.

22 files changed, 955 insertions, 955 deletions

diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/arithmetic.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/arithmetic.h
index 52d203f05b..9a1383904d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/arithmetic.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/arithmetic.h
@@ -1,48 +1,48 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_ARITHMETIC_H 
-#define _LIBCPP___CONCEPTS_ARITHMETIC_H 
- 
-#include <__config> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concepts.arithmetic], arithmetic concepts 
- 
-template<class _Tp> 
-concept integral = is_integral_v<_Tp>; 
- 
-template<class _Tp> 
-concept signed_integral = integral<_Tp> && is_signed_v<_Tp>; 
- 
-template<class _Tp> 
-concept unsigned_integral = integral<_Tp> && !signed_integral<_Tp>; 
- 
-template<class _Tp> 
-concept floating_point = is_floating_point_v<_Tp>; 
- 
-// Concept helpers for the internal type traits for the fundamental types. 
- 
-template <class _Tp> 
-concept __libcpp_unsigned_integer = __libcpp_is_unsigned_integer<_Tp>::value; 
-template <class _Tp> 
-concept __libcpp_signed_integer = __libcpp_is_signed_integer<_Tp>::value; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_ARITHMETIC_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_ARITHMETIC_H
+#define _LIBCPP___CONCEPTS_ARITHMETIC_H
+
+#include <__config>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concepts.arithmetic], arithmetic concepts
+
+template<class _Tp>
+concept integral = is_integral_v<_Tp>;
+
+template<class _Tp>
+concept signed_integral = integral<_Tp> && is_signed_v<_Tp>;
+
+template<class _Tp>
+concept unsigned_integral = integral<_Tp> && !signed_integral<_Tp>;
+
+template<class _Tp>
+concept floating_point = is_floating_point_v<_Tp>;
+
+// Concept helpers for the internal type traits for the fundamental types.
+
+template <class _Tp>
+concept __libcpp_unsigned_integer = __libcpp_is_unsigned_integer<_Tp>::value;
+template <class _Tp>
+concept __libcpp_signed_integer = __libcpp_is_signed_integer<_Tp>::value;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_ARITHMETIC_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/assignable.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/assignable.h
index 1e68ebf114..9cfc7c0e83 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/assignable.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/assignable.h
@@ -1,40 +1,40 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_ASSIGNABLE_H 
-#define _LIBCPP___CONCEPTS_ASSIGNABLE_H 
- 
-#include <__concepts/common_reference_with.h> 
-#include <__concepts/same_as.h> 
-#include <__config> 
-#include <__utility/forward.h> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.assignable] 
- 
-template<class _Lhs, class _Rhs> 
-concept assignable_from = 
-  is_lvalue_reference_v<_Lhs> && 
-  common_reference_with<__make_const_lvalue_ref<_Lhs>, __make_const_lvalue_ref<_Rhs>> && 
-  requires (_Lhs __lhs, _Rhs&& __rhs) { 
-    { __lhs = _VSTD::forward<_Rhs>(__rhs) } -> same_as<_Lhs>; 
-  }; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_ASSIGNABLE_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_ASSIGNABLE_H
+#define _LIBCPP___CONCEPTS_ASSIGNABLE_H
+
+#include <__concepts/common_reference_with.h>
+#include <__concepts/same_as.h>
+#include <__config>
+#include <__utility/forward.h>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.assignable]
+
+template<class _Lhs, class _Rhs>
+concept assignable_from =
+  is_lvalue_reference_v<_Lhs> &&
+  common_reference_with<__make_const_lvalue_ref<_Lhs>, __make_const_lvalue_ref<_Rhs>> &&
+  requires (_Lhs __lhs, _Rhs&& __rhs) {
+    { __lhs = _VSTD::forward<_Rhs>(__rhs) } -> same_as<_Lhs>;
+  };
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_ASSIGNABLE_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/boolean_testable.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/boolean_testable.h
index 34e1ff655a..638fc3b203 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/boolean_testable.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/boolean_testable.h
@@ -1,38 +1,38 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_BOOLEAN_TESTABLE_H 
-#define _LIBCPP___CONCEPTS_BOOLEAN_TESTABLE_H 
- 
-#include <__concepts/convertible_to.h> 
-#include <__config> 
-#include <__utility/forward.h> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concepts.booleantestable] 
- 
-template<class _Tp> 
-concept __boolean_testable_impl = convertible_to<_Tp, bool>; 
- 
-template<class _Tp> 
-concept __boolean_testable = __boolean_testable_impl<_Tp> && requires(_Tp&& __t) { 
-  { !_VSTD::forward<_Tp>(__t) } -> __boolean_testable_impl; 
-}; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_BOOLEAN_TESTABLE_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_BOOLEAN_TESTABLE_H
+#define _LIBCPP___CONCEPTS_BOOLEAN_TESTABLE_H
+
+#include <__concepts/convertible_to.h>
+#include <__config>
+#include <__utility/forward.h>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concepts.booleantestable]
+
+template<class _Tp>
+concept __boolean_testable_impl = convertible_to<_Tp, bool>;
+
+template<class _Tp>
+concept __boolean_testable = __boolean_testable_impl<_Tp> && requires(_Tp&& __t) {
+  { !_VSTD::forward<_Tp>(__t) } -> __boolean_testable_impl;
+};
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_BOOLEAN_TESTABLE_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/class_or_enum.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/class_or_enum.h
index bab1cb2fee..43c7636d9c 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/class_or_enum.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/class_or_enum.h
@@ -1,32 +1,32 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_CLASS_OR_ENUM_H 
-#define _LIBCPP___CONCEPTS_CLASS_OR_ENUM_H 
- 
-#include <__config> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// Whether a type is a class type or enumeration type according to the Core wording. 
- 
-template<class _Tp> 
-concept __class_or_enum = is_class_v<_Tp> || is_union_v<_Tp> || is_enum_v<_Tp>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_CLASS_OR_ENUM_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_CLASS_OR_ENUM_H
+#define _LIBCPP___CONCEPTS_CLASS_OR_ENUM_H
+
+#include <__config>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// Whether a type is a class type or enumeration type according to the Core wording.
+
+template<class _Tp>
+concept __class_or_enum = is_class_v<_Tp> || is_union_v<_Tp> || is_enum_v<_Tp>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_CLASS_OR_ENUM_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/common_reference_with.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/common_reference_with.h
index 3551a12f98..3269e3ae89 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/common_reference_with.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/common_reference_with.h
@@ -1,37 +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___CONCEPTS_COMMON_REFERENCE_WITH_H 
-#define _LIBCPP___CONCEPTS_COMMON_REFERENCE_WITH_H 
- 
-#include <__concepts/convertible_to.h> 
-#include <__concepts/same_as.h> 
-#include <__config> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.commonref] 
- 
-template<class _Tp, class _Up> 
-concept common_reference_with = 
-  same_as<common_reference_t<_Tp, _Up>, common_reference_t<_Up, _Tp>> && 
-  convertible_to<_Tp, common_reference_t<_Tp, _Up>> && 
-  convertible_to<_Up, common_reference_t<_Tp, _Up>>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_COMMON_REFERENCE_WITH_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_COMMON_REFERENCE_WITH_H
+#define _LIBCPP___CONCEPTS_COMMON_REFERENCE_WITH_H
+
+#include <__concepts/convertible_to.h>
+#include <__concepts/same_as.h>
+#include <__config>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.commonref]
+
+template<class _Tp, class _Up>
+concept common_reference_with =
+  same_as<common_reference_t<_Tp, _Up>, common_reference_t<_Up, _Tp>> &&
+  convertible_to<_Tp, common_reference_t<_Tp, _Up>> &&
+  convertible_to<_Up, common_reference_t<_Tp, _Up>>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_COMMON_REFERENCE_WITH_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/common_with.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/common_with.h
index 86875fddbb..b575aea5f7 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/common_with.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/common_with.h
@@ -1,47 +1,47 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_COMMON_WITH_H 
-#define _LIBCPP___CONCEPTS_COMMON_WITH_H 
- 
-#include <__concepts/common_reference_with.h> 
-#include <__concepts/same_as.h> 
-#include <__config> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.common] 
- 
-template<class _Tp, class _Up> 
-concept common_with = 
-  same_as<common_type_t<_Tp, _Up>, common_type_t<_Up, _Tp>> && 
-  requires { 
-    static_cast<common_type_t<_Tp, _Up>>(declval<_Tp>()); 
-    static_cast<common_type_t<_Tp, _Up>>(declval<_Up>()); 
-  } && 
-  common_reference_with< 
-    add_lvalue_reference_t<const _Tp>, 
-    add_lvalue_reference_t<const _Up>> && 
-  common_reference_with< 
-    add_lvalue_reference_t<common_type_t<_Tp, _Up>>, 
-    common_reference_t< 
-      add_lvalue_reference_t<const _Tp>, 
-      add_lvalue_reference_t<const _Up>>>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_COMMON_WITH_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_COMMON_WITH_H
+#define _LIBCPP___CONCEPTS_COMMON_WITH_H
+
+#include <__concepts/common_reference_with.h>
+#include <__concepts/same_as.h>
+#include <__config>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.common]
+
+template<class _Tp, class _Up>
+concept common_with =
+  same_as<common_type_t<_Tp, _Up>, common_type_t<_Up, _Tp>> &&
+  requires {
+    static_cast<common_type_t<_Tp, _Up>>(declval<_Tp>());
+    static_cast<common_type_t<_Tp, _Up>>(declval<_Up>());
+  } &&
+  common_reference_with<
+    add_lvalue_reference_t<const _Tp>,
+    add_lvalue_reference_t<const _Up>> &&
+  common_reference_with<
+    add_lvalue_reference_t<common_type_t<_Tp, _Up>>,
+    common_reference_t<
+      add_lvalue_reference_t<const _Tp>,
+      add_lvalue_reference_t<const _Up>>>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_COMMON_WITH_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/constructible.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/constructible.h
index 21e58787ef..9bba8118b8 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/constructible.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/constructible.h
@@ -1,56 +1,56 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_CONSTRUCTIBLE_H 
-#define _LIBCPP___CONCEPTS_CONSTRUCTIBLE_H 
- 
-#include <__concepts/convertible_to.h> 
-#include <__concepts/destructible.h> 
-#include <__config> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.constructible] 
-template<class _Tp, class... _Args> 
-concept constructible_from = 
-    destructible<_Tp> && is_constructible_v<_Tp, _Args...>; 
- 
-// [concept.default.init] 
- 
-template<class _Tp> 
-concept __default_initializable = requires { ::new _Tp; }; 
- 
-template<class _Tp> 
-concept default_initializable = constructible_from<_Tp> && 
-    requires { _Tp{}; } && __default_initializable<_Tp>; 
- 
-// [concept.moveconstructible] 
-template<class _Tp> 
-concept move_constructible = 
-  constructible_from<_Tp, _Tp> && convertible_to<_Tp, _Tp>; 
- 
-// [concept.copyconstructible] 
-template<class _Tp> 
-concept copy_constructible = 
-  move_constructible<_Tp> && 
-  constructible_from<_Tp, _Tp&> && convertible_to<_Tp&, _Tp> && 
-  constructible_from<_Tp, const _Tp&> && convertible_to<const _Tp&, _Tp> && 
-  constructible_from<_Tp, const _Tp> && convertible_to<const _Tp, _Tp>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_CONSTRUCTIBLE_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_CONSTRUCTIBLE_H
+#define _LIBCPP___CONCEPTS_CONSTRUCTIBLE_H
+
+#include <__concepts/convertible_to.h>
+#include <__concepts/destructible.h>
+#include <__config>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.constructible]
+template<class _Tp, class... _Args>
+concept constructible_from =
+    destructible<_Tp> && is_constructible_v<_Tp, _Args...>;
+
+// [concept.default.init]
+
+template<class _Tp>
+concept __default_initializable = requires { ::new _Tp; };
+
+template<class _Tp>
+concept default_initializable = constructible_from<_Tp> &&
+    requires { _Tp{}; } && __default_initializable<_Tp>;
+
+// [concept.moveconstructible]
+template<class _Tp>
+concept move_constructible =
+  constructible_from<_Tp, _Tp> && convertible_to<_Tp, _Tp>;
+
+// [concept.copyconstructible]
+template<class _Tp>
+concept copy_constructible =
+  move_constructible<_Tp> &&
+  constructible_from<_Tp, _Tp&> && convertible_to<_Tp&, _Tp> &&
+  constructible_from<_Tp, const _Tp&> && convertible_to<const _Tp&, _Tp> &&
+  constructible_from<_Tp, const _Tp> && convertible_to<const _Tp, _Tp>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_CONSTRUCTIBLE_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/convertible_to.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/convertible_to.h
index d9ac68a484..ec68967106 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/convertible_to.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/convertible_to.h
@@ -1,36 +1,36 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_CONVERTIBLE_TO_H 
-#define _LIBCPP___CONCEPTS_CONVERTIBLE_TO_H 
- 
-#include <__config> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.convertible] 
- 
-template<class _From, class _To> 
-concept convertible_to = 
-  is_convertible_v<_From, _To> && 
-  requires (add_rvalue_reference_t<_From> (&__f)()) { 
-    static_cast<_To>(__f()); 
-  }; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_CONVERTIBLE_TO_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_CONVERTIBLE_TO_H
+#define _LIBCPP___CONCEPTS_CONVERTIBLE_TO_H
+
+#include <__config>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.convertible]
+
+template<class _From, class _To>
+concept convertible_to =
+  is_convertible_v<_From, _To> &&
+  requires (add_rvalue_reference_t<_From> (&__f)()) {
+    static_cast<_To>(__f());
+  };
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_CONVERTIBLE_TO_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/copyable.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/copyable.h
index 8c2f990b67..cfeeec8691 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/copyable.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/copyable.h
@@ -1,39 +1,39 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_COPYABLE_H 
-#define _LIBCPP___CONCEPTS_COPYABLE_H 
- 
-#include <__concepts/assignable.h> 
-#include <__concepts/constructible.h> 
-#include <__concepts/movable.h> 
-#include <__config> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concepts.object] 
- 
-template<class _Tp> 
-concept copyable = 
-  copy_constructible<_Tp> && 
-  movable<_Tp> && 
-  assignable_from<_Tp&, _Tp&> && 
-  assignable_from<_Tp&, const _Tp&> && 
-  assignable_from<_Tp&, const _Tp>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_COPYABLE_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_COPYABLE_H
+#define _LIBCPP___CONCEPTS_COPYABLE_H
+
+#include <__concepts/assignable.h>
+#include <__concepts/constructible.h>
+#include <__concepts/movable.h>
+#include <__config>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concepts.object]
+
+template<class _Tp>
+concept copyable =
+  copy_constructible<_Tp> &&
+  movable<_Tp> &&
+  assignable_from<_Tp&, _Tp&> &&
+  assignable_from<_Tp&, const _Tp&> &&
+  assignable_from<_Tp&, const _Tp>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_COPYABLE_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/derived_from.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/derived_from.h
index bd372cf069..f7c83bf31f 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/derived_from.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/derived_from.h
@@ -1,34 +1,34 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_DERIVED_FROM_H 
-#define _LIBCPP___CONCEPTS_DERIVED_FROM_H 
- 
-#include <__config> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.derived] 
- 
-template<class _Dp, class _Bp> 
-concept derived_from = 
-  is_base_of_v<_Bp, _Dp> && 
-  is_convertible_v<const volatile _Dp*, const volatile _Bp*>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_DERIVED_FROM_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_DERIVED_FROM_H
+#define _LIBCPP___CONCEPTS_DERIVED_FROM_H
+
+#include <__config>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.derived]
+
+template<class _Dp, class _Bp>
+concept derived_from =
+  is_base_of_v<_Bp, _Dp> &&
+  is_convertible_v<const volatile _Dp*, const volatile _Bp*>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_DERIVED_FROM_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/destructible.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/destructible.h
index 3e59415b8f..800ee2d56f 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/destructible.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/destructible.h
@@ -1,32 +1,32 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_DESTRUCTIBLE_H 
-#define _LIBCPP___CONCEPTS_DESTRUCTIBLE_H 
- 
-#include <__config> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.destructible] 
- 
-template<class _Tp> 
-concept destructible = is_nothrow_destructible_v<_Tp>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_DESTRUCTIBLE_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_DESTRUCTIBLE_H
+#define _LIBCPP___CONCEPTS_DESTRUCTIBLE_H
+
+#include <__config>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.destructible]
+
+template<class _Tp>
+concept destructible = is_nothrow_destructible_v<_Tp>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_DESTRUCTIBLE_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/different_from.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/different_from.h
index 24e5f4a8b0..5def31e652 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/different_from.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/different_from.h
@@ -1,31 +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___CONCEPTS_DIFFERENT_FROM_H 
-#define _LIBCPP___CONCEPTS_DIFFERENT_FROM_H 
- 
-#include <__concepts/same_as.h> 
-#include <__config> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-template<class _Tp, class _Up> 
-concept __different_from = !same_as<remove_cvref_t<_Tp>, remove_cvref_t<_Up>>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_DIFFERENT_FROM_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_DIFFERENT_FROM_H
+#define _LIBCPP___CONCEPTS_DIFFERENT_FROM_H
+
+#include <__concepts/same_as.h>
+#include <__config>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+template<class _Tp, class _Up>
+concept __different_from = !same_as<remove_cvref_t<_Tp>, remove_cvref_t<_Up>>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_DIFFERENT_FROM_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/equality_comparable.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/equality_comparable.h
index d64e296cf4..5df812c260 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/equality_comparable.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/equality_comparable.h
@@ -1,53 +1,53 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_EQUALITY_COMPARABLE_H 
-#define _LIBCPP___CONCEPTS_EQUALITY_COMPARABLE_H 
- 
-#include <__concepts/boolean_testable.h> 
-#include <__concepts/common_reference_with.h> 
-#include <__config> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.equalitycomparable] 
- 
-template<class _Tp, class _Up> 
-concept __weakly_equality_comparable_with = 
-  requires(__make_const_lvalue_ref<_Tp> __t, __make_const_lvalue_ref<_Up> __u) { 
-    { __t == __u } -> __boolean_testable; 
-    { __t != __u } -> __boolean_testable; 
-    { __u == __t } -> __boolean_testable; 
-    { __u != __t } -> __boolean_testable; 
-  }; 
- 
-template<class _Tp> 
-concept equality_comparable = __weakly_equality_comparable_with<_Tp, _Tp>; 
- 
-template<class _Tp, class _Up> 
-concept equality_comparable_with = 
-  equality_comparable<_Tp> && equality_comparable<_Up> && 
-  common_reference_with<__make_const_lvalue_ref<_Tp>, __make_const_lvalue_ref<_Up>> && 
-  equality_comparable< 
-    common_reference_t< 
-      __make_const_lvalue_ref<_Tp>, 
-      __make_const_lvalue_ref<_Up>>> && 
-  __weakly_equality_comparable_with<_Tp, _Up>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_EQUALITY_COMPARABLE_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_EQUALITY_COMPARABLE_H
+#define _LIBCPP___CONCEPTS_EQUALITY_COMPARABLE_H
+
+#include <__concepts/boolean_testable.h>
+#include <__concepts/common_reference_with.h>
+#include <__config>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.equalitycomparable]
+
+template<class _Tp, class _Up>
+concept __weakly_equality_comparable_with =
+  requires(__make_const_lvalue_ref<_Tp> __t, __make_const_lvalue_ref<_Up> __u) {
+    { __t == __u } -> __boolean_testable;
+    { __t != __u } -> __boolean_testable;
+    { __u == __t } -> __boolean_testable;
+    { __u != __t } -> __boolean_testable;
+  };
+
+template<class _Tp>
+concept equality_comparable = __weakly_equality_comparable_with<_Tp, _Tp>;
+
+template<class _Tp, class _Up>
+concept equality_comparable_with =
+  equality_comparable<_Tp> && equality_comparable<_Up> &&
+  common_reference_with<__make_const_lvalue_ref<_Tp>, __make_const_lvalue_ref<_Up>> &&
+  equality_comparable<
+    common_reference_t<
+      __make_const_lvalue_ref<_Tp>,
+      __make_const_lvalue_ref<_Up>>> &&
+  __weakly_equality_comparable_with<_Tp, _Up>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_EQUALITY_COMPARABLE_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/invocable.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/invocable.h
index 2b0d7a6930..0a8d9b7255 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/invocable.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/invocable.h
@@ -1,41 +1,41 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_INVOCABLE_H 
-#define _LIBCPP___CONCEPTS_INVOCABLE_H 
- 
-#include <__config> 
-#include <__functional/invoke.h> 
-#include <__utility/forward.h> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.invocable] 
- 
-template<class _Fn, class... _Args> 
-concept invocable = requires(_Fn&& __fn, _Args&&... __args) { 
-  _VSTD::invoke(_VSTD::forward<_Fn>(__fn), _VSTD::forward<_Args>(__args)...); // not required to be equality preserving 
-}; 
- 
-// [concept.regular.invocable] 
- 
-template<class _Fn, class... _Args> 
-concept regular_invocable = invocable<_Fn, _Args...>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_INVOCABLE_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_INVOCABLE_H
+#define _LIBCPP___CONCEPTS_INVOCABLE_H
+
+#include <__config>
+#include <__functional/invoke.h>
+#include <__utility/forward.h>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.invocable]
+
+template<class _Fn, class... _Args>
+concept invocable = requires(_Fn&& __fn, _Args&&... __args) {
+  _VSTD::invoke(_VSTD::forward<_Fn>(__fn), _VSTD::forward<_Args>(__args)...); // not required to be equality preserving
+};
+
+// [concept.regular.invocable]
+
+template<class _Fn, class... _Args>
+concept regular_invocable = invocable<_Fn, _Args...>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_INVOCABLE_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/movable.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/movable.h
index 555839973b..dd0b8fb56d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/movable.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/movable.h
@@ -1,39 +1,39 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_MOVABLE_H 
-#define _LIBCPP___CONCEPTS_MOVABLE_H 
- 
-#include <__concepts/assignable.h> 
-#include <__concepts/constructible.h> 
-#include <__concepts/swappable.h> 
-#include <__config> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concepts.object] 
- 
-template<class _Tp> 
-concept movable = 
-  is_object_v<_Tp> && 
-  move_constructible<_Tp> && 
-  assignable_from<_Tp&, _Tp> && 
-  swappable<_Tp>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_MOVABLE_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_MOVABLE_H
+#define _LIBCPP___CONCEPTS_MOVABLE_H
+
+#include <__concepts/assignable.h>
+#include <__concepts/constructible.h>
+#include <__concepts/swappable.h>
+#include <__config>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concepts.object]
+
+template<class _Tp>
+concept movable =
+  is_object_v<_Tp> &&
+  move_constructible<_Tp> &&
+  assignable_from<_Tp&, _Tp> &&
+  swappable<_Tp>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_MOVABLE_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/predicate.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/predicate.h
index 7215f52405..8e88540631 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/predicate.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/predicate.h
@@ -1,35 +1,35 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_PREDICATE_H 
-#define _LIBCPP___CONCEPTS_PREDICATE_H 
- 
-#include <__concepts/boolean_testable.h> 
-#include <__concepts/invocable.h> 
-#include <__config> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.predicate] 
- 
-template<class _Fn, class... _Args> 
-concept predicate = 
-  regular_invocable<_Fn, _Args...> && __boolean_testable<invoke_result_t<_Fn, _Args...>>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_PREDICATE_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_PREDICATE_H
+#define _LIBCPP___CONCEPTS_PREDICATE_H
+
+#include <__concepts/boolean_testable.h>
+#include <__concepts/invocable.h>
+#include <__config>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.predicate]
+
+template<class _Fn, class... _Args>
+concept predicate =
+  regular_invocable<_Fn, _Args...> && __boolean_testable<invoke_result_t<_Fn, _Args...>>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_PREDICATE_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/regular.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/regular.h
index 37c3a3e88b..d292e8d72d 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/regular.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/regular.h
@@ -1,33 +1,33 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_REGULAR_H 
-#define _LIBCPP___CONCEPTS_REGULAR_H 
- 
-#include <__concepts/equality_comparable.h> 
-#include <__concepts/semiregular.h> 
-#include <__config> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.object] 
- 
-template<class _Tp> 
-concept regular = semiregular<_Tp> && equality_comparable<_Tp>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_REGULAR_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_REGULAR_H
+#define _LIBCPP___CONCEPTS_REGULAR_H
+
+#include <__concepts/equality_comparable.h>
+#include <__concepts/semiregular.h>
+#include <__config>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.object]
+
+template<class _Tp>
+concept regular = semiregular<_Tp> && equality_comparable<_Tp>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_REGULAR_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/relation.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/relation.h
index bab0c20aae..c6ff20d151 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/relation.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/relation.h
@@ -1,44 +1,44 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_RELATION_H 
-#define _LIBCPP___CONCEPTS_RELATION_H 
- 
-#include <__concepts/predicate.h> 
-#include <__config> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.relation] 
- 
-template<class _Rp, class _Tp, class _Up> 
-concept relation = 
-  predicate<_Rp, _Tp, _Tp> && predicate<_Rp, _Up, _Up> && 
-  predicate<_Rp, _Tp, _Up> && predicate<_Rp, _Up, _Tp>; 
- 
-// [concept.equiv] 
- 
-template<class _Rp, class _Tp, class _Up> 
-concept equivalence_relation = relation<_Rp, _Tp, _Up>; 
- 
-// [concept.strictweakorder] 
- 
-template<class _Rp, class _Tp, class _Up> 
-concept strict_weak_order = relation<_Rp, _Tp, _Up>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_RELATION_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_RELATION_H
+#define _LIBCPP___CONCEPTS_RELATION_H
+
+#include <__concepts/predicate.h>
+#include <__config>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.relation]
+
+template<class _Rp, class _Tp, class _Up>
+concept relation =
+  predicate<_Rp, _Tp, _Tp> && predicate<_Rp, _Up, _Up> &&
+  predicate<_Rp, _Tp, _Up> && predicate<_Rp, _Up, _Tp>;
+
+// [concept.equiv]
+
+template<class _Rp, class _Tp, class _Up>
+concept equivalence_relation = relation<_Rp, _Tp, _Up>;
+
+// [concept.strictweakorder]
+
+template<class _Rp, class _Tp, class _Up>
+concept strict_weak_order = relation<_Rp, _Tp, _Up>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_RELATION_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/same_as.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/same_as.h
index 06e70b723a..5a912b6f41 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/same_as.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/same_as.h
@@ -1,35 +1,35 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_SAME_AS_H 
-#define _LIBCPP___CONCEPTS_SAME_AS_H 
- 
-#include <__config> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.same] 
- 
-template<class _Tp, class _Up> 
-concept __same_as_impl = _IsSame<_Tp, _Up>::value; 
- 
-template<class _Tp, class _Up> 
-concept same_as = __same_as_impl<_Tp, _Up> && __same_as_impl<_Up, _Tp>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_SAME_AS_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_SAME_AS_H
+#define _LIBCPP___CONCEPTS_SAME_AS_H
+
+#include <__config>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.same]
+
+template<class _Tp, class _Up>
+concept __same_as_impl = _IsSame<_Tp, _Up>::value;
+
+template<class _Tp, class _Up>
+concept same_as = __same_as_impl<_Tp, _Up> && __same_as_impl<_Up, _Tp>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_SAME_AS_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/semiregular.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/semiregular.h
index 9bc63cacd9..4b96fe6dfb 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/semiregular.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/semiregular.h
@@ -1,33 +1,33 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_SEMIREGULAR_H 
-#define _LIBCPP___CONCEPTS_SEMIREGULAR_H 
- 
-#include <__concepts/constructible.h> 
-#include <__concepts/copyable.h> 
-#include <__config> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.object] 
- 
-template<class _Tp> 
-concept semiregular = copyable<_Tp> && default_initializable<_Tp>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_SEMIREGULAR_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_SEMIREGULAR_H
+#define _LIBCPP___CONCEPTS_SEMIREGULAR_H
+
+#include <__concepts/constructible.h>
+#include <__concepts/copyable.h>
+#include <__config>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.object]
+
+template<class _Tp>
+concept semiregular = copyable<_Tp> && default_initializable<_Tp>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_SEMIREGULAR_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/swappable.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/swappable.h
index 00240df059..423b3a89fa 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/swappable.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/swappable.h
@@ -1,115 +1,115 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_SWAPPABLE_H 
-#define _LIBCPP___CONCEPTS_SWAPPABLE_H 
- 
-#include <__concepts/assignable.h> 
-#include <__concepts/class_or_enum.h> 
-#include <__concepts/common_reference_with.h> 
-#include <__concepts/constructible.h> 
-#include <__config> 
-#include <__utility/exchange.h> 
-#include <__utility/forward.h> 
-#include <__utility/move.h> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.swappable] 
-namespace ranges::__swap { 
-  // Deleted to inhibit ADL 
-  template<class _Tp> 
-  void swap(_Tp&, _Tp&) = delete; 
- 
- 
-  // [1] 
-  template<class _Tp, class _Up> 
-  concept __unqualified_swappable_with = 
-    (__class_or_enum<remove_cvref_t<_Tp>> || __class_or_enum<remove_cvref_t<_Up>>) && 
-    requires(_Tp&& __t, _Up&& __u) { 
-      swap(_VSTD::forward<_Tp>(__t), _VSTD::forward<_Up>(__u)); 
-    }; 
- 
-  struct __fn; 
- 
-  template<class _Tp, class _Up, size_t _Size> 
-  concept __swappable_arrays = 
-    !__unqualified_swappable_with<_Tp(&)[_Size], _Up(&)[_Size]> && 
-    extent_v<_Tp> == extent_v<_Up> && 
-    requires(_Tp(& __t)[_Size], _Up(& __u)[_Size], const __fn& __swap) { 
-      __swap(__t[0], __u[0]); 
-    }; 
- 
-  template<class _Tp> 
-  concept __exchangeable = 
-    !__unqualified_swappable_with<_Tp&, _Tp&> && 
-    move_constructible<_Tp> && 
-    assignable_from<_Tp&, _Tp>; 
- 
-  struct __fn { 
-    // 2.1   `S` is `(void)swap(E1, E2)`* if `E1` or `E2` has class or enumeration type and... 
-    // *The name `swap` is used here unqualified. 
-    template<class _Tp, class _Up> 
-      requires __unqualified_swappable_with<_Tp, _Up> 
-    constexpr void operator()(_Tp&& __t, _Up&& __u) const 
-      noexcept(noexcept(swap(_VSTD::forward<_Tp>(__t), _VSTD::forward<_Up>(__u)))) 
-    { 
-      swap(_VSTD::forward<_Tp>(__t), _VSTD::forward<_Up>(__u)); 
-    } 
- 
-    // 2.2   Otherwise, if `E1` and `E2` are lvalues of array types with equal extent and... 
-    template<class _Tp, class _Up, size_t _Size> 
-      requires __swappable_arrays<_Tp, _Up, _Size> 
-    constexpr void operator()(_Tp(& __t)[_Size], _Up(& __u)[_Size]) const 
-      noexcept(noexcept((*this)(*__t, *__u))) 
-    { 
-      // TODO(cjdb): replace with `ranges::swap_ranges`. 
-      for (size_t __i = 0; __i < _Size; ++__i) { 
-        (*this)(__t[__i], __u[__i]); 
-      } 
-    } 
- 
-    // 2.3   Otherwise, if `E1` and `E2` are lvalues of the same type `T` that models... 
-    template<__exchangeable _Tp> 
-    constexpr void operator()(_Tp& __x, _Tp& __y) const 
-      noexcept(is_nothrow_move_constructible_v<_Tp> && is_nothrow_move_assignable_v<_Tp>) 
-    { 
-      __y = _VSTD::exchange(__x, _VSTD::move(__y)); 
-    } 
-  }; 
-} // namespace ranges::__swap 
- 
-namespace ranges::inline __cpo { 
-  inline constexpr auto swap = __swap::__fn{}; 
-} // namespace ranges::__cpo 
- 
-template<class _Tp> 
-concept swappable = requires(_Tp& __a, _Tp& __b) { ranges::swap(__a, __b); }; 
- 
-template<class _Tp, class _Up> 
-concept swappable_with = 
-  common_reference_with<_Tp, _Up> && 
-  requires(_Tp&& __t, _Up&& __u) { 
-    ranges::swap(_VSTD::forward<_Tp>(__t), _VSTD::forward<_Tp>(__t)); 
-    ranges::swap(_VSTD::forward<_Up>(__u), _VSTD::forward<_Up>(__u)); 
-    ranges::swap(_VSTD::forward<_Tp>(__t), _VSTD::forward<_Up>(__u)); 
-    ranges::swap(_VSTD::forward<_Up>(__u), _VSTD::forward<_Tp>(__t)); 
-  }; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_SWAPPABLE_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_SWAPPABLE_H
+#define _LIBCPP___CONCEPTS_SWAPPABLE_H
+
+#include <__concepts/assignable.h>
+#include <__concepts/class_or_enum.h>
+#include <__concepts/common_reference_with.h>
+#include <__concepts/constructible.h>
+#include <__config>
+#include <__utility/exchange.h>
+#include <__utility/forward.h>
+#include <__utility/move.h>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.swappable]
+namespace ranges::__swap {
+  // Deleted to inhibit ADL
+  template<class _Tp>
+  void swap(_Tp&, _Tp&) = delete;
+
+
+  // [1]
+  template<class _Tp, class _Up>
+  concept __unqualified_swappable_with =
+    (__class_or_enum<remove_cvref_t<_Tp>> || __class_or_enum<remove_cvref_t<_Up>>) &&
+    requires(_Tp&& __t, _Up&& __u) {
+      swap(_VSTD::forward<_Tp>(__t), _VSTD::forward<_Up>(__u));
+    };
+
+  struct __fn;
+
+  template<class _Tp, class _Up, size_t _Size>
+  concept __swappable_arrays =
+    !__unqualified_swappable_with<_Tp(&)[_Size], _Up(&)[_Size]> &&
+    extent_v<_Tp> == extent_v<_Up> &&
+    requires(_Tp(& __t)[_Size], _Up(& __u)[_Size], const __fn& __swap) {
+      __swap(__t[0], __u[0]);
+    };
+
+  template<class _Tp>
+  concept __exchangeable =
+    !__unqualified_swappable_with<_Tp&, _Tp&> &&
+    move_constructible<_Tp> &&
+    assignable_from<_Tp&, _Tp>;
+
+  struct __fn {
+    // 2.1   `S` is `(void)swap(E1, E2)`* if `E1` or `E2` has class or enumeration type and...
+    // *The name `swap` is used here unqualified.
+    template<class _Tp, class _Up>
+      requires __unqualified_swappable_with<_Tp, _Up>
+    constexpr void operator()(_Tp&& __t, _Up&& __u) const
+      noexcept(noexcept(swap(_VSTD::forward<_Tp>(__t), _VSTD::forward<_Up>(__u))))
+    {
+      swap(_VSTD::forward<_Tp>(__t), _VSTD::forward<_Up>(__u));
+    }
+
+    // 2.2   Otherwise, if `E1` and `E2` are lvalues of array types with equal extent and...
+    template<class _Tp, class _Up, size_t _Size>
+      requires __swappable_arrays<_Tp, _Up, _Size>
+    constexpr void operator()(_Tp(& __t)[_Size], _Up(& __u)[_Size]) const
+      noexcept(noexcept((*this)(*__t, *__u)))
+    {
+      // TODO(cjdb): replace with `ranges::swap_ranges`.
+      for (size_t __i = 0; __i < _Size; ++__i) {
+        (*this)(__t[__i], __u[__i]);
+      }
+    }
+
+    // 2.3   Otherwise, if `E1` and `E2` are lvalues of the same type `T` that models...
+    template<__exchangeable _Tp>
+    constexpr void operator()(_Tp& __x, _Tp& __y) const
+      noexcept(is_nothrow_move_constructible_v<_Tp> && is_nothrow_move_assignable_v<_Tp>)
+    {
+      __y = _VSTD::exchange(__x, _VSTD::move(__y));
+    }
+  };
+} // namespace ranges::__swap
+
+namespace ranges::inline __cpo {
+  inline constexpr auto swap = __swap::__fn{};
+} // namespace ranges::__cpo
+
+template<class _Tp>
+concept swappable = requires(_Tp& __a, _Tp& __b) { ranges::swap(__a, __b); };
+
+template<class _Tp, class _Up>
+concept swappable_with =
+  common_reference_with<_Tp, _Up> &&
+  requires(_Tp&& __t, _Up&& __u) {
+    ranges::swap(_VSTD::forward<_Tp>(__t), _VSTD::forward<_Tp>(__t));
+    ranges::swap(_VSTD::forward<_Up>(__u), _VSTD::forward<_Up>(__u));
+    ranges::swap(_VSTD::forward<_Tp>(__t), _VSTD::forward<_Up>(__u));
+    ranges::swap(_VSTD::forward<_Up>(__u), _VSTD::forward<_Tp>(__t));
+  };
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_SWAPPABLE_H
diff --git a/contrib/libs/cxxsupp/libcxx/include/__concepts/totally_ordered.h b/contrib/libs/cxxsupp/libcxx/include/__concepts/totally_ordered.h
index 1bd1c9f2b0..d8dd4a4944 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__concepts/totally_ordered.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__concepts/totally_ordered.h
@@ -1,57 +1,57 @@
-//===----------------------------------------------------------------------===// 
-// 
-// 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___CONCEPTS_TOTALLY_ORDERED_H 
-#define _LIBCPP___CONCEPTS_TOTALLY_ORDERED_H 
- 
-#include <__concepts/boolean_testable.h> 
-#include <__concepts/equality_comparable.h> 
-#include <__config> 
-#include <type_traits> 
- 
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 
-#pragma GCC system_header 
-#endif 
- 
-_LIBCPP_BEGIN_NAMESPACE_STD 
- 
-#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-// [concept.totallyordered] 
- 
-template<class _Tp, class _Up> 
-concept __partially_ordered_with = 
-  requires(__make_const_lvalue_ref<_Tp> __t, __make_const_lvalue_ref<_Up> __u) { 
-    { __t <  __u } -> __boolean_testable; 
-    { __t >  __u } -> __boolean_testable; 
-    { __t <= __u } -> __boolean_testable; 
-    { __t >= __u } -> __boolean_testable; 
-    { __u <  __t } -> __boolean_testable; 
-    { __u >  __t } -> __boolean_testable; 
-    { __u <= __t } -> __boolean_testable; 
-    { __u >= __t } -> __boolean_testable; 
-  }; 
- 
-template<class _Tp> 
-concept totally_ordered = equality_comparable<_Tp> && __partially_ordered_with<_Tp, _Tp>; 
- 
-template<class _Tp, class _Up> 
-concept totally_ordered_with = 
-  totally_ordered<_Tp> && totally_ordered<_Up> && 
-  equality_comparable_with<_Tp, _Up> && 
-  totally_ordered< 
-    common_reference_t< 
-      __make_const_lvalue_ref<_Tp>, 
-      __make_const_lvalue_ref<_Up>>> && 
-  __partially_ordered_with<_Tp, _Up>; 
- 
-#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS) 
- 
-_LIBCPP_END_NAMESPACE_STD 
- 
-#endif // _LIBCPP___CONCEPTS_TOTALLY_ORDERED_H 
+//===----------------------------------------------------------------------===//
+//
+// 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___CONCEPTS_TOTALLY_ORDERED_H
+#define _LIBCPP___CONCEPTS_TOTALLY_ORDERED_H
+
+#include <__concepts/boolean_testable.h>
+#include <__concepts/equality_comparable.h>
+#include <__config>
+#include <type_traits>
+
+#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
+#pragma GCC system_header
+#endif
+
+_LIBCPP_BEGIN_NAMESPACE_STD
+
+#if _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+// [concept.totallyordered]
+
+template<class _Tp, class _Up>
+concept __partially_ordered_with =
+  requires(__make_const_lvalue_ref<_Tp> __t, __make_const_lvalue_ref<_Up> __u) {
+    { __t <  __u } -> __boolean_testable;
+    { __t >  __u } -> __boolean_testable;
+    { __t <= __u } -> __boolean_testable;
+    { __t >= __u } -> __boolean_testable;
+    { __u <  __t } -> __boolean_testable;
+    { __u >  __t } -> __boolean_testable;
+    { __u <= __t } -> __boolean_testable;
+    { __u >= __t } -> __boolean_testable;
+  };
+
+template<class _Tp>
+concept totally_ordered = equality_comparable<_Tp> && __partially_ordered_with<_Tp, _Tp>;
+
+template<class _Tp, class _Up>
+concept totally_ordered_with =
+  totally_ordered<_Tp> && totally_ordered<_Up> &&
+  equality_comparable_with<_Tp, _Up> &&
+  totally_ordered<
+    common_reference_t<
+      __make_const_lvalue_ref<_Tp>,
+      __make_const_lvalue_ref<_Up>>> &&
+  __partially_ordered_with<_Tp, _Up>;
+
+#endif // _LIBCPP_STD_VER > 17 && !defined(_LIBCPP_HAS_NO_CONCEPTS)
+
+_LIBCPP_END_NAMESPACE_STD
+
+#endif // _LIBCPP___CONCEPTS_TOTALLY_ORDERED_H