remove aligned storage, as it's deprecated in C++23

CMakeLists.txt

@@ -192,7 +192,6 @@ set(libtorrent_extensions_include_files
 
 set(libtorrent_aux_include_files
 	alert_manager.hpp
-	aligned_storage.hpp
 	aligned_union.hpp
 	alloca.hpp
 	allocating_handler.hpp

Makefile

@@ -569,7 +569,6 @@ HEADERS = \
   xml_parse.hpp                \
   \
   aux_/alert_manager.hpp            \
-  aux_/aligned_storage.hpp          \
   aux_/aligned_union.hpp            \
   aux_/alloca.hpp                   \
   aux_/allocating_handler.hpp       \

include/libtorrent/aux_/allocating_handler.hpp

@@ -38,7 +38,6 @@ POSSIBILITY OF SUCH DAMAGE.
 
 #include "libtorrent/config.hpp"
 #include "libtorrent/error_code.hpp"
-#include "libtorrent/aux_/aligned_storage.hpp"
 
 #include "libtorrent/debug.hpp" // for TORRENT_ASSERT
 
@@ -157,7 +156,7 @@ namespace libtorrent { namespace aux {
 		static constexpr std::size_t size = Size;
 		static constexpr HandlerName name = Name;
 
-		typename aux::aligned_storage<Size, alignof(std::max_align_t)>::type bytes;
+		alignas(alignof(std::max_align_t)) std::array<std::uint8_t, Size> bytes;
 #if TORRENT_USE_ASSERTS
 		bool used = false;
 #endif
@@ -225,7 +224,7 @@ namespace libtorrent { namespace aux {
 #ifdef TORRENT_ASIO_DEBUGGING
 			record_handler_allocation<T>(static_cast<int>(Name), Size);
 #endif
-			return reinterpret_cast<T*>(&m_storage->bytes);
+			return reinterpret_cast<T*>(m_storage->bytes.data());
 		}
 
 		void deallocate(T* ptr, std::size_t size)
@@ -235,7 +234,7 @@ namespace libtorrent { namespace aux {
 
 			TORRENT_ASSERT_VAL(size == 1, size);
 			TORRENT_ASSERT_VAL(sizeof(T) <= Size, sizeof(T));
-			TORRENT_ASSERT(ptr == reinterpret_cast<T*>(&m_storage->bytes));
+			TORRENT_ASSERT(ptr == reinterpret_cast<T*>(m_storage->bytes.data()));
 			TORRENT_ASSERT(m_storage->used);
 #if TORRENT_USE_ASSERTS
 			m_storage->used = false;

include/libtorrent/aux_/chained_buffer.hpp

@@ -35,7 +35,6 @@ POSSIBILITY OF SUCH DAMAGE.
 #define TORRENT_CHAINED_BUFFER_HPP_INCLUDED
 
 #include "libtorrent/config.hpp"
-#include "libtorrent/aux_/aligned_storage.hpp"
 #include "libtorrent/debug.hpp"
 #include "libtorrent/aux_/buffer.hpp"
 
@@ -113,7 +112,8 @@ namespace aux {
 #if TORRENT_CPP98_DEQUE
 			move_construct_holder_fun move_holder;
 #endif
-			aux::aligned_storage<32>::type holder;
+			alignas(alignof(std::max_align_t)) std::array<std::uint8_t, 32> holder;
+
 			char* buf = nullptr; // the first byte of the buffer
 			int size = 0; // the total size of the buffer
 			int used_size = 0; // this is the number of bytes to send/receive