#ifndef _GLIBCXX_DEBUG // PR libstdc++/70303
# define __cpp_lib_null_iterators 201304L
#endif
+#define __cpp_lib_robust_nonmodifying_seq_ops 201304L
#define __cpp_lib_transformation_trait_aliases 201304L
#define __cpp_lib_transparent_operators 201510L
#define __cpp_lib_tuple_element_t 201402L
#define __cpp_lib_tuples_by_type 201304L
+#if _GLIBCXX_FLOAT_IS_IEEE_BINARY32 && _GLIBCXX_DOUBLE_IS_IEEE_BINARY64 \
+ && __SIZE_WIDTH__ >= 32
+# define __cpp_lib_to_chars 201611L
+#endif
+
#if _GLIBCXX_HOSTED
# define __cpp_lib_chrono_udls 201304L
# define __cpp_lib_complex_udls 201309L
# define __cpp_lib_generic_associative_lookup 201304L
# define __cpp_lib_make_unique 201304L
# define __cpp_lib_quoted_string_io 201304L
-# define __cpp_lib_robust_nonmodifying_seq_ops 201304L
# ifdef _GLIBCXX_HAS_GTHREADS
# define __cpp_lib_shared_timed_mutex 201402L
# endif
#define __cpp_lib_atomic_is_always_lock_free 201603L
#define __cpp_lib_bool_constant 201505L
#define __cpp_lib_byte 201603L
+#define __cpp_lib_clamp 201603L
+#define __cpp_lib_gcd 201606L
+#define __cpp_lib_gcd_lcm 201606L
#ifdef _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP
# define __cpp_lib_has_unique_object_representations 201606L
#endif
#ifdef _GLIBCXX_HAVE_BUILTIN_LAUNDER
# define __cpp_lib_launder 201606L
#endif
+#define __cpp_lib_lcm 201606L
#define __cpp_lib_logical_traits 201510L
#define __cpp_lib_make_from_tuple 201606L
+#define __cpp_lib_nonmember_container_access 201411L
#define __cpp_lib_not_fn 201603L
#if __cplusplus == 201703L // N.B. updated value in C++20
# define __cpp_lib_optional 201606L
#endif
+#define __cpp_lib_raw_memory_algorithms 201606L
+#define __cpp_lib_sample 201603L
#define __cpp_lib_type_trait_variable_templates 201510L
#define __cpp_lib_uncaught_exceptions 201411L
#if !(__cpp_concepts >= 202002L && __cpp_constexpr >= 201811L)
# define __cpp_lib_variant 202102L
#endif
#define __cpp_lib_void_t 201411L
-
-#if _GLIBCXX_HOSTED
#if __cplusplus == 201703L // N.B. updated value in C++20
# define __cpp_lib_array_constexpr 201803L
#endif
-#define __cpp_lib_boyer_moore_searcher 201603L
-#define __cpp_lib_chrono 201611L
-#define __cpp_lib_clamp 201603L
#if __cplusplus == 201703L // N.B. updated value in C++20
# if _GLIBCXX_HAVE_IS_CONSTANT_EVALUATED
# define __cpp_lib_constexpr_char_traits 201611L
# define __cpp_lib_constexpr_string 201611L
# endif
#endif
+
+#if _GLIBCXX_HOSTED
+#define __cpp_lib_boyer_moore_searcher 201603L
+#define __cpp_lib_chrono 201611L
#define __cpp_lib_enable_shared_from_this 201603L
#define __cpp_lib_execution 201902L // FIXME: should be 201603L
#define __cpp_lib_filesystem 201703L
-#define __cpp_lib_gcd 201606L
-#define __cpp_lib_gcd_lcm 201606L
#define __cpp_lib_hypot 201603L
-#define __cpp_lib_lcm 201606L
#define __cpp_lib_map_try_emplace 201411L
#define __cpp_lib_math_special_functions 201603L
#ifdef _GLIBCXX_HAS_GTHREADS
# define __cpp_lib_memory_resource 1
#endif
#define __cpp_lib_node_extract 201606L
-#define __cpp_lib_nonmember_container_access 201411L
#define __cpp_lib_parallel_algorithm 201603L
-#define __cpp_lib_raw_memory_algorithms 201606L
-#define __cpp_lib_sample 201603L
#ifdef _GLIBCXX_HAS_GTHREADS
# define __cpp_lib_scoped_lock 201703L
# define __cpp_lib_shared_mutex 201505L
#endif
#define __cpp_lib_shared_ptr_weak_type 201606L
#define __cpp_lib_string_view 201803L
-#if _GLIBCXX_FLOAT_IS_IEEE_BINARY32 && _GLIBCXX_DOUBLE_IS_IEEE_BINARY64 \
- && __SIZE_WIDTH__ >= 32
-# define __cpp_lib_to_chars 201611L
-#endif
#define __cpp_lib_unordered_map_try_emplace 201411L
#endif
#if __cpp_lib_concepts
# define __cpp_lib_make_obj_using_allocator 201811L
#endif
-#define __cpp_lib_optional 202106L
+#if __cplusplus <= 202002L // N.B. updated value in C++23
+# define __cpp_lib_optional 202106L
+#endif
#define __cpp_lib_remove_cvref 201711L
#if __has_builtin(__builtin_source_location)
# define __cpp_lib_source_location 201907L
#if __cpp_concepts >= 202002L && __cpp_constexpr >= 201811L
# define __cpp_lib_variant 202106L
#endif
+#define __cpp_lib_constexpr_algorithms 201806L
+#define __cpp_lib_constexpr_functional 201907L
+#if __cplusplus <= 202002L // N.B. updated value in C++23
+# define __cpp_lib_constexpr_memory 201811L
+#endif // C++20
+#define __cpp_lib_constexpr_numeric 201911L
+#define __cpp_lib_constexpr_tuple 201811L
+#define __cpp_lib_array_constexpr 201811L
+#ifdef __cpp_lib_is_constant_evaluated
+# define __cpp_lib_constexpr_char_traits 201811L
+#endif
+#define __cpp_lib_constexpr_iterator 201811L
+#define __cpp_lib_constexpr_utility 201811L
+#define __cpp_lib_interpolate 201902L
+#if __cpp_lib_concepts
+# define __cpp_lib_move_iterator_concept 202207L
+# define __cpp_lib_ranges 202110L
+#endif
+#define __cpp_lib_shift 201806L
#if _GLIBCXX_HOSTED
-#define __cpp_lib_array_constexpr 201811L
#define __cpp_lib_atomic_shared_ptr 201711L
#if defined _GLIBCXX_HAS_GTHREADS || defined _GLIBCXX_HAVE_LINUX_FUTEX
# define __cpp_lib_atomic_wait 201907L
// #undef __cpp_lib_chrono
// #define __cpp_lib_chrono 201907L
// FIXME: #define __cpp_lib_execution 201902L
-#define __cpp_lib_constexpr_algorithms 201806L
-#ifdef __cpp_lib_is_constant_evaluated
-# define __cpp_lib_constexpr_char_traits 201811L
-#endif
#define __cpp_lib_constexpr_complex 201711L
#define __cpp_lib_constexpr_dynamic_alloc 201907L
-#define __cpp_lib_constexpr_functional 201907L
-#define __cpp_lib_constexpr_iterator 201811L
-#define __cpp_lib_constexpr_memory 201811L
-#define __cpp_lib_constexpr_numeric 201911L
+#define __cpp_lib_constexpr_tuple 201811L
#ifdef __cpp_lib_is_constant_evaluated
# if _GLIBCXX_USE_CXX11_ABI
# define __cpp_lib_constexpr_string 201907L
# define __cpp_lib_constexpr_string 201811L
# endif
#endif
-#define __cpp_lib_constexpr_tuple 201811L
-#define __cpp_lib_constexpr_utility 201811L
#define __cpp_lib_constexpr_vector 201907L
#define __cpp_lib_erase_if 202002L
#define __cpp_lib_format 202106L
#define __cpp_lib_generic_unordered_lookup 201811L
-#define __cpp_lib_interpolate 201902L
#ifdef _GLIBCXX_HAS_GTHREADS
# define __cpp_lib_jthread 201911L
#endif
#endif
#define __cpp_lib_list_remove_return_type 201806L
#define __cpp_lib_polymorphic_allocator 201902L
-#if __cpp_lib_concepts
-# define __cpp_lib_ranges 202110L
-# define __cpp_lib_move_iterator_concept 202207L
-#endif
#if __cpp_lib_atomic_wait || _GLIBCXX_HAVE_POSIX_SEMAPHORE
# define __cpp_lib_semaphore 201907L
#endif
#define __cpp_lib_shared_ptr_arrays 201707L
-#define __cpp_lib_shift 201806L
#define __cpp_lib_smart_ptr_for_overwrite 202002L
# if _GLIBCXX_USE_CXX11_ABI
// Only supported with cxx11-abi
#define __cpp_lib_ranges_stride 202207L
#define __cpp_lib_ranges_cartesian_product 202207L
#define __cpp_lib_ranges_as_rvalue 202207L
-
-#if _GLIBCXX_HOSTED
-#define __cpp_lib_adaptor_iterator_pair_constructor 202106L
#if __cpp_constexpr_dynamic_alloc
-# define __cpp_lib_constexpr_bitset 202202L
+# if _GLIBCXX_HOSTED
+# define __cpp_lib_constexpr_bitset 202202L
+# endif
# undef __cpp_lib_constexpr_memory
# define __cpp_lib_constexpr_memory 202202L
#endif
+#define __cpp_lib_stdatomic_h 202011L
+
+#if _GLIBCXX_HOSTED
+#define __cpp_lib_adaptor_iterator_pair_constructor 202106L
#define __cpp_lib_ios_noreplace 202207L
#define __cpp_lib_move_only_function 202110L
#if __cpp_lib_span