Update libcxx to 19 Oct d173ce4a670e88b65c52f6fc1bf10d133ee35704

commit_hash:c1da7a8a6580c15e8af41b1a4847da2163706905

1 files changed, 60 insertions, 18 deletions

diff --git a/contrib/libs/cxxsupp/libcxx/include/__algorithm/pstl_find.h b/contrib/libs/cxxsupp/libcxx/include/__algorithm/pstl_find.h
index c2894d0875..adc05ea1a9 100644
--- a/contrib/libs/cxxsupp/libcxx/include/__algorithm/pstl_find.h
+++ b/contrib/libs/cxxsupp/libcxx/include/__algorithm/pstl_find.h
@@ -19,7 +19,7 @@
 #include <__type_traits/is_execution_policy.h>
 #include <__type_traits/remove_cvref.h>
 #include <__utility/move.h>
-#include <__utility/terminate_on_exception.h>
+#include <optional>
 
 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
 #  pragma GCC system_header
@@ -34,13 +34,26 @@ template <class _ExecutionPolicy,
           class _Predicate,
           class _RawPolicy                                    = __remove_cvref_t<_ExecutionPolicy>,
           enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
-_LIBCPP_HIDE_FROM_ABI _ForwardIterator
-find_if(_ExecutionPolicy&&, _ForwardIterator __first, _ForwardIterator __last, _Predicate __pred) {
-  _LIBCPP_REQUIRE_CPP17_FORWARD_ITERATOR(_ForwardIterator);
+[[nodiscard]] _LIBCPP_HIDE_FROM_ABI optional<__remove_cvref_t<_ForwardIterator>>
+__find_if(_ExecutionPolicy&&, _ForwardIterator&& __first, _ForwardIterator&& __last, _Predicate&& __pred) noexcept {
   using _Backend = typename __select_backend<_RawPolicy>::type;
   return std::__pstl_find_if<_RawPolicy>(_Backend{}, std::move(__first), std::move(__last), std::move(__pred));
 }
 
+template <class _ExecutionPolicy,
+          class _ForwardIterator,
+          class _Predicate,
+          class _RawPolicy                                    = __remove_cvref_t<_ExecutionPolicy>,
+          enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
+_LIBCPP_HIDE_FROM_ABI _ForwardIterator
+find_if(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __last, _Predicate __pred) {
+  _LIBCPP_REQUIRE_CPP17_FORWARD_ITERATOR(_ForwardIterator);
+  auto __res = std::__find_if(__policy, std::move(__first), std::move(__last), std::move(__pred));
+  if (!__res)
+    std::__throw_bad_alloc();
+  return *std::move(__res);
+}
+
 template <class>
 void __pstl_find_if_not();
 
@@ -49,21 +62,36 @@ template <class _ExecutionPolicy,
           class _Predicate,
           class _RawPolicy                                    = __remove_cvref_t<_ExecutionPolicy>,
           enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
-_LIBCPP_HIDE_FROM_ABI _ForwardIterator
-find_if_not(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __last, _Predicate __pred) {
-  _LIBCPP_REQUIRE_CPP17_FORWARD_ITERATOR(_ForwardIterator);
+[[nodiscard]] _LIBCPP_HIDE_FROM_ABI optional<__remove_cvref_t<_ForwardIterator>>
+__find_if_not(_ExecutionPolicy&& __policy, _ForwardIterator&& __first, _ForwardIterator&& __last, _Predicate&& __pred) {
   return std::__pstl_frontend_dispatch(
       _LIBCPP_PSTL_CUSTOMIZATION_POINT(__pstl_find_if_not, _RawPolicy),
-      [&](_ForwardIterator __g_first, _ForwardIterator __g_last, _Predicate __g_pred) {
-        return std::find_if(__policy, __g_first, __g_last, [&](__iter_reference<_ForwardIterator> __value) {
-          return !__g_pred(__value);
-        });
+      [&](_ForwardIterator&& __g_first, _ForwardIterator&& __g_last, _Predicate&& __g_pred)
+          -> optional<__remove_cvref_t<_ForwardIterator>> {
+        return std::__find_if(
+            __policy, __g_first, __g_last, [&](__iter_reference<__remove_cvref_t<_ForwardIterator>> __value) {
+              return !__g_pred(__value);
+            });
       },
       std::move(__first),
       std::move(__last),
       std::move(__pred));
 }
 
+template <class _ExecutionPolicy,
+          class _ForwardIterator,
+          class _Predicate,
+          class _RawPolicy                                    = __remove_cvref_t<_ExecutionPolicy>,
+          enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
+_LIBCPP_HIDE_FROM_ABI _ForwardIterator
+find_if_not(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __last, _Predicate __pred) {
+  _LIBCPP_REQUIRE_CPP17_FORWARD_ITERATOR(_ForwardIterator);
+  auto __res = std::__find_if_not(__policy, std::move(__first), std::move(__last), std::move(__pred));
+  if (!__res)
+    std::__throw_bad_alloc();
+  return *std::move(__res);
+}
+
 template <class>
 void __pstl_find();
 
@@ -72,21 +100,35 @@ template <class _ExecutionPolicy,
           class _Tp,
           class _RawPolicy                                    = __remove_cvref_t<_ExecutionPolicy>,
           enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
-_LIBCPP_HIDE_FROM_ABI _ForwardIterator
-find(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) {
-  _LIBCPP_REQUIRE_CPP17_FORWARD_ITERATOR(_ForwardIterator);
+[[nodiscard]] _LIBCPP_HIDE_FROM_ABI optional<__remove_cvref_t<_ForwardIterator>>
+__find(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) noexcept {
   return std::__pstl_frontend_dispatch(
       _LIBCPP_PSTL_CUSTOMIZATION_POINT(__pstl_find, _RawPolicy),
-      [&](_ForwardIterator __g_first, _ForwardIterator __g_last, const _Tp& __g_value) {
-        return std::find_if(__policy, __g_first, __g_last, [&](__iter_reference<_ForwardIterator> __element) {
-          return __element == __g_value;
-        });
+      [&](_ForwardIterator __g_first, _ForwardIterator __g_last, const _Tp& __g_value) -> optional<_ForwardIterator> {
+        return std::find_if(
+            __policy, __g_first, __g_last, [&](__iter_reference<__remove_cvref_t<_ForwardIterator>> __element) {
+              return __element == __g_value;
+            });
       },
       std::move(__first),
       std::move(__last),
       __value);
 }
 
+template <class _ExecutionPolicy,
+          class _ForwardIterator,
+          class _Tp,
+          class _RawPolicy                                    = __remove_cvref_t<_ExecutionPolicy>,
+          enable_if_t<is_execution_policy_v<_RawPolicy>, int> = 0>
+_LIBCPP_HIDE_FROM_ABI _ForwardIterator
+find(_ExecutionPolicy&& __policy, _ForwardIterator __first, _ForwardIterator __last, const _Tp& __value) {
+  _LIBCPP_REQUIRE_CPP17_FORWARD_ITERATOR(_ForwardIterator);
+  auto __res = std::__find(__policy, std::move(__first), std::move(__last), __value);
+  if (!__res)
+    std::__throw_bad_alloc();
+  return *std::move(__res);
+}
+
 _LIBCPP_END_NAMESPACE_STD
 
 #endif // !defined(_LIBCPP_HAS_NO_INCOMPLETE_PSTL) && _LIBCPP_STD_VER >= 17