diff --git a/libcxx/include/__type_traits/aligned_storage.h b/libcxx/include/__type_traits/aligned_storage.h index 49b4e971bbb67..2e39afb7f8808 100644 --- a/libcxx/include/__type_traits/aligned_storage.h +++ b/libcxx/include/__type_traits/aligned_storage.h @@ -11,7 +11,6 @@ #include <__config> #include <__cstddef/size_t.h> -#include <__type_traits/conditional.h> #include <__type_traits/integral_constant.h> #include <__type_traits/nat.h> #include <__type_traits/type_list.h> @@ -50,22 +49,6 @@ typedef __type_list<__align_type, > > > > > > > > > > __all_types; // clang-format on -template -struct _ALIGNAS(_Align) __fallback_overaligned {}; - -template -struct __find_pod; - -template -struct __find_pod<__type_list<_Hp, __nat>, _Align> { - typedef __conditional_t<_Align == _Hp::value, typename _Hp::type, __fallback_overaligned<_Align> > type; -}; - -template -struct __find_pod<__type_list<_Hp, _Tp>, _Align> { - typedef __conditional_t<_Align == _Hp::value, typename _Hp::type, typename __find_pod<_Tp, _Align>::type> type; -}; - template struct __find_max_align; @@ -88,9 +71,7 @@ struct __find_max_align<__type_list<_Hp, _Tp>, _Len> template ::value> struct _LIBCPP_DEPRECATED_IN_CXX23 _LIBCPP_TEMPLATE_VIS aligned_storage { - typedef typename __find_pod<__all_types, _Align>::type _Aligner; - union type { - _Aligner __align; + union _ALIGNAS(_Align) type { unsigned char __data[(_Len + _Align - 1) / _Align * _Align]; }; }; @@ -104,35 +85,6 @@ _LIBCPP_SUPPRESS_DEPRECATED_POP #endif -#define _CREATE_ALIGNED_STORAGE_SPECIALIZATION(n) \ - template \ - struct _LIBCPP_DEPRECATED_IN_CXX23 _LIBCPP_TEMPLATE_VIS aligned_storage<_Len, n> { \ - struct _ALIGNAS(n) type { \ - unsigned char __lx[(_Len + n - 1) / n * n]; \ - }; \ - } - -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x1); -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x2); -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x4); -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x8); -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x10); -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x20); -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x40); -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x80); -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x100); -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x200); -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x400); -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x800); -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x1000); -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x2000); -// PE/COFF does not support alignment beyond 8192 (=0x2000) -#if !defined(_LIBCPP_OBJECT_FORMAT_COFF) -_CREATE_ALIGNED_STORAGE_SPECIALIZATION(0x4000); -#endif // !defined(_LIBCPP_OBJECT_FORMAT_COFF) - -#undef _CREATE_ALIGNED_STORAGE_SPECIALIZATION - _LIBCPP_END_NAMESPACE_STD #endif // _LIBCPP___TYPE_TRAITS_ALIGNED_STORAGE_H