Remove old code

Signed-off-by: Richard Qin <richard.qin.x@gmail.com>

1 files changed, 0 insertions, 163 deletions

diff --git a/third_party/libcxx/include/c++/v1/execution b/third_party/libcxx/include/c++/v1/execution
deleted file mode 100644
index 652f38d..0000000
--- a/third_party/libcxx/include/c++/v1/execution
+++ /dev/null
@@ -1,163 +0,0 @@
-// -*- C++ -*-
-//===----------------------------------------------------------------------===//
-//
-// 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_EXECUTION
-#define _LIBCPP_EXECUTION
-
-/*
-namespace std::execution {
-  struct sequenced_policy;
-  struct parallel_policy;
-  struct parallel_unsequenced_policy;
-  struct unsequenced_policy; // since C++20
-
-  inline constexpr sequenced_policy seq = implementation-defined;
-  inline constexpr parallel_policy par = implementation-defined;
-  inline constexpr parallel_unsequenced_policy par_unseq = implementation-defined;
-  inline constexpr unsequenced_policy unseq = implementation-defined; // since C++20
-}
-
-namespace std {
-  template <class T>
-  struct is_execution_policy;
-
-  template <class T>
-  inline constexpr bool is_execution_policy_v;
-}
-*/
-
-#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
-#  include <__cxx03/__config>
-#else
-#  include <__config>
-#  include <__type_traits/is_execution_policy.h>
-#  include <__type_traits/is_same.h>
-#  include <__type_traits/remove_cvref.h>
-#  include <version>
-
-#  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#    pragma GCC system_header
-#  endif
-
-#  if _LIBCPP_HAS_EXPERIMENTAL_PSTL && _LIBCPP_STD_VER >= 17
-
-_LIBCPP_BEGIN_NAMESPACE_STD
-
-namespace execution {
-struct sequenced_policy {
-  _LIBCPP_HIDE_FROM_ABI constexpr explicit sequenced_policy(__disable_user_instantiations_tag) {}
-  sequenced_policy(const sequenced_policy&)            = delete;
-  sequenced_policy& operator=(const sequenced_policy&) = delete;
-};
-
-inline constexpr sequenced_policy seq{__disable_user_instantiations_tag{}};
-
-struct parallel_policy {
-  _LIBCPP_HIDE_FROM_ABI constexpr explicit parallel_policy(__disable_user_instantiations_tag) {}
-  parallel_policy(const parallel_policy&)            = delete;
-  parallel_policy& operator=(const parallel_policy&) = delete;
-};
-
-inline constexpr parallel_policy par{__disable_user_instantiations_tag{}};
-
-struct parallel_unsequenced_policy {
-  _LIBCPP_HIDE_FROM_ABI constexpr explicit parallel_unsequenced_policy(__disable_user_instantiations_tag) {}
-  parallel_unsequenced_policy(const parallel_unsequenced_policy&)            = delete;
-  parallel_unsequenced_policy& operator=(const parallel_unsequenced_policy&) = delete;
-};
-
-inline constexpr parallel_unsequenced_policy par_unseq{__disable_user_instantiations_tag{}};
-
-struct __unsequenced_policy {
-  _LIBCPP_HIDE_FROM_ABI constexpr explicit __unsequenced_policy(__disable_user_instantiations_tag) {}
-  __unsequenced_policy(const __unsequenced_policy&)            = delete;
-  __unsequenced_policy& operator=(const __unsequenced_policy&) = delete;
-};
-
-constexpr __unsequenced_policy __unseq{__disable_user_instantiations_tag{}};
-
-#    if _LIBCPP_STD_VER >= 20
-
-struct unsequenced_policy {
-  _LIBCPP_HIDE_FROM_ABI constexpr explicit unsequenced_policy(__disable_user_instantiations_tag) {}
-  unsequenced_policy(const unsequenced_policy&)            = delete;
-  unsequenced_policy& operator=(const unsequenced_policy&) = delete;
-};
-
-inline constexpr unsequenced_policy unseq{__disable_user_instantiations_tag{}};
-
-#    endif // _LIBCPP_STD_VER >= 20
-
-} // namespace execution
-
-_LIBCPP_DIAGNOSTIC_PUSH
-#    if __has_warning("-Winvalid-specialization")
-_LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Winvalid-specialization")
-#    endif
-template <>
-inline constexpr bool is_execution_policy_v<execution::sequenced_policy> = true;
-
-template <>
-inline constexpr bool is_execution_policy_v<execution::parallel_policy> = true;
-
-template <>
-inline constexpr bool is_execution_policy_v<execution::parallel_unsequenced_policy> = true;
-
-template <>
-inline constexpr bool is_execution_policy_v<execution::__unsequenced_policy> = true;
-_LIBCPP_DIAGNOSTIC_POP
-
-template <>
-inline constexpr bool __is_parallel_execution_policy_impl<execution::parallel_policy> = true;
-
-template <>
-inline constexpr bool __is_parallel_execution_policy_impl<execution::parallel_unsequenced_policy> = true;
-
-template <>
-inline constexpr bool __is_unsequenced_execution_policy_impl<execution::__unsequenced_policy> = true;
-
-template <>
-inline constexpr bool __is_unsequenced_execution_policy_impl<execution::parallel_unsequenced_policy> = true;
-
-#    if _LIBCPP_STD_VER >= 20
-_LIBCPP_DIAGNOSTIC_PUSH
-#      if __has_warning("-Winvalid-specialization")
-_LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Winvalid-specialization")
-#      endif
-template <>
-inline constexpr bool is_execution_policy_v<execution::unsequenced_policy> = true;
-_LIBCPP_DIAGNOSTIC_POP
-
-template <>
-inline constexpr bool __is_unsequenced_execution_policy_impl<execution::unsequenced_policy> = true;
-
-#    endif
-
-template <class _Tp>
-struct _LIBCPP_NO_SPECIALIZATIONS is_execution_policy : bool_constant<is_execution_policy_v<_Tp>> {};
-
-template <class _ExecutionPolicy>
-_LIBCPP_HIDE_FROM_ABI auto __remove_parallel_policy(const _ExecutionPolicy&) {
-  if constexpr (is_same_v<_ExecutionPolicy, execution::parallel_policy>) {
-    return execution::sequenced_policy(execution::__disable_user_instantiations_tag{});
-  } else if constexpr (is_same_v<_ExecutionPolicy, execution::parallel_unsequenced_policy>) {
-    return execution::__unsequenced_policy{execution::__disable_user_instantiations_tag{}};
-  }
-}
-
-_LIBCPP_END_NAMESPACE_STD
-
-#  endif // _LIBCPP_HAS_EXPERIMENTAL_PSTL && _LIBCPP_STD_VER >= 17
-
-#  if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
-#    include <cstddef>
-#  endif
-#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS)
-
-#endif // _LIBCPP_EXECUTION