+2023-11-30 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/ranges (__detail::__toable): Fix incorrect use of
+ _Range instead of _Cont.
+ (__detail::_ToClosure, __detail::_ToClosure2): Add missing
+ constexpr specifier on constructors.
+ * testsuite/std/ranges/conv/1.cc (_Cont, _Cont2, _Cont3): Remove
+ unnecessary begin() and end() members.
+ (test_constexpr): New function to check range adaptors are
+ usable in constant expressions.
+
+2023-11-29 Thomas Schwinge <thomas@codesourcery.com>
+
+ * testsuite/23_containers/span/at.cc: Fix for '-fno-exceptions'
+ configurations.
+
+2023-11-28 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/atomic_wait.h: Include <stdint.h>.
+
+2023-11-28 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/stl_uninitialized.h: Fix typo in comment.
+
+2023-11-24 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/109849
+ * include/bits/stl_uninitialized.h (__relocate_a_1): Use memcpy instead
+ of memmove.
+
+2023-11-23 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/111055
+ * include/bits/ranges_base.h (from_range_t): Define new tag
+ type.
+ (from_range): Define new tag object.
+ * include/bits/version.def (ranges_to_container): Define.
+ * include/bits/version.h: Regenerate.
+ * include/std/ranges (ranges::to): Define.
+ * testsuite/std/ranges/conv/1.cc: New test.
+ * testsuite/std/ranges/conv/2_neg.cc: New test.
+ * testsuite/std/ranges/conv/version.cc: New test.
+
+2023-11-23 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/util/testsuite_allocator.h (uneq_allocator): Fix
+ equality operator for heterogeneous comparisons.
+
+2023-11-21 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/version.def (freestanding_cstring): Add.
+ * include/bits/version.h: Regenerate.
+ * include/c_compatibility/string.h (strtok): Do not declare for
+ C++26 freestanding.
+ * include/c_global/cstring (strtok): Likewise.
+ * testsuite/21_strings/headers/cstring/version.cc: New test.
+
+2023-11-21 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/version.def (freestanding_algorithm)
+ (freestanding_array, freestanding_optional)
+ (freestanding_string_view, freestanding_variant): Add.
+ * include/bits/version.h: Regenerate.
+ * include/std/algorithm (__glibcxx_want_freestanding_algorithm):
+ Define.
+ * include/std/array (__glibcxx_want_freestanding_array):
+ Define.
+ * include/std/optional (__glibcxx_want_freestanding_optional):
+ Define.
+ * include/std/string_view
+ (__glibcxx_want_freestanding_string_view): Define.
+ * include/std/variant (__glibcxx_want_freestanding_variant):
+ Define.
+ * testsuite/20_util/optional/version.cc: Add checks for
+ __cpp_lib_freestanding_optional.
+ * testsuite/20_util/variant/version.cc: Add checks for
+ __cpp_lib_freestanding_variant.
+ * testsuite/23_containers/array/tuple_interface/get_neg.cc:
+ Adjust dg-error line numbers.
+ * testsuite/21_strings/basic_string_view/requirements/version.cc:
+ New test.
+ * testsuite/23_containers/array/requirements/version.cc: New
+ test.
+ * testsuite/25_algorithms/fill_n/requirements/version.cc: New
+ test.
+ * testsuite/25_algorithms/swap_ranges/requirements/version.cc:
+ New test.
+
+2023-11-21 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/version.def (freestanding_expected): New macro.
+ (span): Add C++26 value.
+ * include/bits/version.h: Regenerate.
+ * include/std/expected (__glibcxx_want_freestanding_expected):
+ Define.
+ * include/std/span (span::at): New member function.
+ * testsuite/20_util/expected/version.cc: Add checks for
+ __cpp_lib_freestanding_expected.
+ * testsuite/23_containers/span/2.cc: Moved to...
+ * testsuite/23_containers/span/version.cc: ...here. Add checks
+ for __cpp_lib_span in <span> as well as in <version>.
+ * testsuite/23_containers/span/1.cc: Removed.
+ * testsuite/23_containers/span/at.cc: New test.
+
+2023-11-21 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/tr2/dynamic_bitset (dynamic_bitset): Pass zero and one
+ characters to _M_copy_from_string.
+ * testsuite/tr2/dynamic_bitset/string.cc: New test.
+
+2023-11-21 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/html/*: Regenerate.
+ * doc/xml/faq.xml: Remove reference to buildstat.html pages.
+ * doc/xml/manual/test.xml: Likewise
+
+2023-11-21 Jan Hubicka <jh@suse.cz>
+
+ PR libstdc++/110287
+ PR middle-end/109811
+ PR middle-end/109849
+ * include/bits/stl_vector.h (_M_realloc_append): New member function.
+ (push_back): Use it.
+ * include/bits/vector.tcc: (emplace_back): Use it.
+ (_M_realloc_insert): Let compiler know that new vector size is non-zero.
+ (_M_realloc_append): New member function.
+
+2023-11-18 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/112607
+ * include/std/format (basic_format_arg::_S_to_arg_type): Check
+ value_type for basic_string_view and basic_string
+ specializations.
+ * testsuite/std/format/arguments/112607.cc: New test.
+
+2023-11-18 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110801
+ * include/std/format (_Sink_iter::_M_reserve): New member
+ function.
+ (_Sink::_Reservation): New nested class.
+ (_Sink::_M_reserve, _Sink::_M_bump): New virtual functions.
+ (_Seq_sink::_M_reserve, _Seq_sink::_M_bump): New virtual
+ overrides.
+ (_Iter_sink<O, ContigIter>::_M_reserve): Likewise.
+ (__do_vformat_to): Use new functions to optimize "{}" case.
+
+2023-11-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * config.h.in: Regenerate.
+
+2023-11-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/Makefile.am: Add new header.
+ * include/Makefile.in: Regenerate.
+ * include/bits/version.def (saturation_arithmetic): Define.
+ * include/bits/version.h: Regenerate.
+ * include/std/numeric: Include new header.
+ * include/bits/sat_arith.h: New file.
+ * testsuite/26_numerics/saturation/add.cc: New test.
+ * testsuite/26_numerics/saturation/cast.cc: New test.
+ * testsuite/26_numerics/saturation/div.cc: New test.
+ * testsuite/26_numerics/saturation/mul.cc: New test.
+ * testsuite/26_numerics/saturation/sub.cc: New test.
+ * testsuite/26_numerics/saturation/version.cc: New test.
+
+2023-11-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/utility (in_range): Rename _Up parameter to _Res.
+
+2023-11-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/out_ptr.h: Add Doxygen comments. Remove a
+ redundant preprocessor condition.
+ * testsuite/20_util/smartptr.adapt/version.cc: New test.
+
+2023-11-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/chrono_io.h: Fix Doxygen markup.
+
+2023-11-16 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/112564
+ * include/std/stacktrace (formatter::format): Format according
+ to format-spec.
+ * include/std/thread (formatter::format): Use _Align_right as
+ default.
+ * testsuite/19_diagnostics/stacktrace/output.cc: Check
+ fill-and-align handling. Change compile test to run.
+ * testsuite/30_threads/thread/id/output.cc: Check fill-and-align
+ handling.
+
+2023-11-16 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/111667
+ * include/Makefile.am: Add new header.
+ * include/Makefile.in: Regenerate.
+ * include/bits/out_ptr.h: New file.
+ * include/bits/shared_ptr.h (__is_shared_ptr): Move definition
+ to here ...
+ * include/bits/shared_ptr_atomic.h (__is_shared_ptr): ... from
+ here.
+ * include/bits/shared_ptr_base.h (__shared_count): Declare
+ out_ptr_t as a friend.
+ (_Sp_counted_deleter, __shared_ptr): Likewise.
+ * include/bits/unique_ptr.h (unique_ptr, unique_ptr<T[], D>):
+ Declare out_ptr_t and inout_ptr_t as friends.
+ (__is_unique_ptr): Define new variable template.
+ * include/bits/version.def (out_ptr): Define.
+ * include/bits/version.h: Regenerate.
+ * include/std/memory: Include new header.
+ * testsuite/20_util/smartptr.adapt/inout_ptr/1.cc: New test.
+ * testsuite/20_util/smartptr.adapt/inout_ptr/2.cc: New test.
+ * testsuite/20_util/smartptr.adapt/inout_ptr/shared_ptr_neg.cc:
+ New test.
+ * testsuite/20_util/smartptr.adapt/inout_ptr/void_ptr.cc: New
+ test.
+ * testsuite/20_util/smartptr.adapt/out_ptr/1.cc: New test.
+ * testsuite/20_util/smartptr.adapt/out_ptr/2.cc: New test.
+ * testsuite/20_util/smartptr.adapt/out_ptr/shared_ptr_neg.cc:
+ New test.
+ * testsuite/20_util/smartptr.adapt/out_ptr/void_ptr.cc: New
+ test.
+
+2023-11-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/algorithmfwd.h: Do not define standard feature
+ test macro here.
+ * include/bits/align.h: Likewise. Test internal macros instead
+ of standard macros.
+ * include/bits/alloc_traits.h: Likewise.
+ * include/bits/allocator.h: Likewise.
+ * include/bits/atomic_base.h: Likewise.
+ * include/bits/atomic_timed_wait.h: Likewise.
+ * include/bits/atomic_wait.h: Likewise.
+ * include/bits/basic_string.h: Likewise.
+ * include/bits/basic_string.tcc: Likewise.
+ * include/bits/char_traits.h: Likewise.
+ * include/bits/chrono.h: Likewise.
+ * include/bits/cow_string.h: Likewise.
+ * include/bits/forward_list.h: Likewise.
+ * include/bits/hashtable.h: Likewise.
+ * include/bits/ios_base.h: Likewise.
+ * include/bits/memory_resource.h: Likewise.
+ * include/bits/move.h: Likewise.
+ * include/bits/move_only_function.h: Likewise.
+ * include/bits/node_handle.h: Likewise.
+ * include/bits/ptr_traits.h: Likewise.
+ * include/bits/range_access.h: Likewise.
+ * include/bits/ranges_algo.h: Likewise.
+ * include/bits/ranges_cmp.h: Likewise.
+ * include/bits/ranges_util.h: Likewise.
+ * include/bits/semaphore_base.h: Likewise.
+ * include/bits/shared_ptr.h: Likewise.
+ * include/bits/shared_ptr_atomic.h: Likewise.
+ * include/bits/shared_ptr_base.h: Likewise.
+ * include/bits/stl_algo.h: Likewise.
+ * include/bits/stl_algobase.h: Likewise.
+ * include/bits/stl_function.h: Likewise.
+ * include/bits/stl_iterator.h: Likewise.
+ * include/bits/stl_list.h: Likewise.
+ * include/bits/stl_map.h: Likewise.
+ * include/bits/stl_pair.h: Likewise.
+ * include/bits/stl_queue.h: Likewise.
+ * include/bits/stl_stack.h: Likewise.
+ * include/bits/stl_tree.h: Likewise.
+ * include/bits/stl_uninitialized.h: Likewise.
+ * include/bits/stl_vector.h: Likewise.
+ * include/bits/unique_ptr.h: Likewise.
+ * include/bits/unordered_map.h: Likewise.
+ * include/bits/uses_allocator_args.h: Likewise.
+ * include/bits/utility.h: Likewise.
+ * include/bits/erase_if.h: Add comment.
+ * include/std/algorithm: Define standard feature test macros
+ here.
+ * include/std/atomic: Likewise.
+ * include/std/array: Likewise.
+ * include/std/chrono: Likewise.
+ * include/std/condition_variable: Likewise.
+ * include/std/deque: Likewise.
+ * include/std/format: Likewise.
+ * include/std/functional: Likewise.
+ * include/std/forward_list: Likewise.
+ * include/std/ios: Likewise.
+ * include/std/iterator: Likewise.
+ * include/std/list: Likewise.
+ * include/std/map: Likewise.
+ * include/std/memory: Likewise.
+ * include/std/numeric: Likewise.
+ * include/std/queue: Likewise.
+ * include/std/ranges: Likewise.
+ * include/std/regex: Likewise.
+ * include/std/set: Likewise.
+ * include/std/stack: Likewise.
+ * include/std/stop_token: Likewise.
+ * include/std/string: Likewise.
+ * include/std/string_view:
+ * include/std/tuple: Likewise.
+ * include/std/unordered_map:
+ * include/std/unordered_set:
+ * include/std/utility: Likewise.
+ * include/std/vector: Likewise.
+ * include/std/scoped_allocator: Query internal macros instead of
+ standard macros.
+
+2023-11-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/18_support/byte/requirements.cc: Disable PCH.
+ * testsuite/18_support/destroying_delete.cc: Likewise.
+ * testsuite/18_support/source_location/1.cc: Likewise.
+ * testsuite/18_support/source_location/version.cc: Likewise.
+ * testsuite/18_support/type_info/constexpr.cc: Likewise.
+ * testsuite/18_support/uncaught_exceptions/uncaught_exceptions.cc:
+ Likewise.
+ * testsuite/19_diagnostics/stacktrace/output.cc: Likewise.
+ * testsuite/19_diagnostics/stacktrace/synopsis.cc: Likewise.
+ * testsuite/19_diagnostics/stacktrace/version.cc: Likewise.
+ * testsuite/20_util/addressof/requirements/constexpr.cc:
+ Likewise.
+ * testsuite/20_util/allocator_traits/header-2.cc: Likewise.
+ * testsuite/20_util/allocator_traits/header.cc: Likewise.
+ * testsuite/20_util/as_const/1.cc: Likewise. Likewise.
+ * testsuite/20_util/bitset/cons/constexpr_c++23.cc: Likewise.
+ * testsuite/20_util/bitset/version.cc: Likewise.
+ * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc:
+ Likewise.
+ * testsuite/20_util/duration_cast/rounding.cc: Likewise.
+ * testsuite/20_util/enable_shared_from_this/members/weak_from_this.cc:
+ Likewise.
+ * testsuite/20_util/exchange/constexpr.cc: Likewise.
+ * testsuite/20_util/expected/synopsis.cc: Likewise.
+ * testsuite/20_util/expected/version.cc: Likewise.
+ * testsuite/20_util/function_objects/bind_front/1.cc: Likewise.
+ * testsuite/20_util/function_objects/bind_front/2.cc: Likewise.
+ * testsuite/20_util/function_objects/invoke/3.cc: Likewise.
+ * testsuite/20_util/function_objects/invoke/4.cc: Likewise.
+ * testsuite/20_util/function_objects/invoke/constexpr.cc:
+ Likewise.
+ * testsuite/20_util/function_objects/invoke/version.cc:
+ Likewise.
+ * testsuite/20_util/function_objects/searchers.cc: Likewise.
+ * testsuite/20_util/integer_comparisons/1.cc: Likewise.
+ * testsuite/20_util/integer_comparisons/2.cc: Likewise.
+ * testsuite/20_util/is_bounded_array/value.cc: Likewise.
+ * testsuite/20_util/is_layout_compatible/value.cc: Likewise.
+ * testsuite/20_util/is_layout_compatible/version.cc: Likewise.
+ * testsuite/20_util/is_nothrow_swappable/requirements/explicit_instantiation.cc:
+ Likewise.
+ * testsuite/20_util/is_nothrow_swappable/requirements/typedefs.cc:
+ Likewise.
+ * testsuite/20_util/is_nothrow_swappable/value.cc: Likewise.
+ * testsuite/20_util/is_nothrow_swappable/value.h: Likewise.
+ * testsuite/20_util/is_nothrow_swappable_with/requirements/explicit_instantiation.cc:
+ Remove redundant checks already tested elsewhere.
+ * testsuite/20_util/is_nothrow_swappable_with/requirements/typedefs.cc:
+ Likewise.
+ * testsuite/20_util/is_nothrow_swappable_with/value.cc: Disable
+ PCH.
+ * testsuite/20_util/is_pointer_interconvertible/value.cc:
+ Likewise.
+ * testsuite/20_util/is_pointer_interconvertible/version.cc:
+ Likewise.
+ * testsuite/20_util/is_scoped_enum/value.cc: Likewise.
+ * testsuite/20_util/is_scoped_enum/version.cc: Likewise.
+ * testsuite/20_util/is_swappable/requirements/explicit_instantiation.cc:
+ Remove redundant checks already tested elsewhere.
+ * testsuite/20_util/is_swappable/requirements/typedefs.cc:
+ Remove redundant checks already tested elsewhere.
+ * testsuite/20_util/is_swappable/value.cc: Disable PCH.
+ * testsuite/20_util/is_swappable/value.h: Reorder headers.
+ * testsuite/20_util/is_swappable_with/requirements/explicit_instantiation.cc:
+ Remove redundant checks already tested elsewhere.
+ * testsuite/20_util/is_swappable_with/requirements/typedefs.cc:
+ Remove redundant checks already tested elsewhere.
+ * testsuite/20_util/is_swappable_with/value.cc: Disable PCH.
+ * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
+ * testsuite/20_util/move_only_function/cons.cc: Likewise.
+ * testsuite/20_util/move_only_function/version.cc: Likewise.
+ * testsuite/20_util/optional/monadic/and_then.cc: Likewise.
+ * testsuite/20_util/optional/requirements.cc: Likewise.
+ * testsuite/20_util/optional/version.cc: Likewise.
+ * testsuite/20_util/owner_less/void.cc: Likewise.
+ * testsuite/20_util/reference_from_temporary/value.cc: Likewise.
+ * testsuite/20_util/reference_from_temporary/version.cc:
+ Likewise.
+ * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
+ Likewise.
+ * testsuite/20_util/shared_ptr/creation/array.cc: Likewise.
+ * testsuite/20_util/shared_ptr/creation/overwrite.cc: Likewise.
+ * testsuite/20_util/shared_ptr/creation/version.cc: Likewise.
+ * testsuite/20_util/time_point_cast/rounding.cc: Likewise.
+ * testsuite/20_util/to_chars/constexpr.cc: Likewise.
+ * testsuite/20_util/to_chars/result.cc: Likewise.
+ * testsuite/20_util/to_chars/version.cc: Likewise.
+ * testsuite/20_util/to_underlying/1.cc: Likewise.
+ * testsuite/20_util/to_underlying/version.cc: Likewise.
+ * testsuite/20_util/tuple/apply/1.cc: Likewise.
+ * testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc:
+ Likewise.
+ * testsuite/20_util/tuple/make_from_tuple/1.cc: Likewise.
+ * testsuite/20_util/tuple/p2321r2.cc: Likewise.
+ * testsuite/20_util/tuple/tuple_element_t.cc: Likewise.
+ * testsuite/20_util/unique_ptr/cons/constexpr_c++20.cc:
+ Likewise.
+ * testsuite/20_util/unique_ptr/creation/for_overwrite.cc:
+ Likewise.
+ * testsuite/20_util/unreachable/1.cc: Likewise.
+ * testsuite/20_util/unreachable/version.cc: Likewise.
+ * testsuite/20_util/unwrap_reference/1.cc: Likewise.
+ * testsuite/20_util/unwrap_reference/3.cc: Likewise.
+ * testsuite/20_util/variant/constexpr.cc: Likewise.
+ * testsuite/20_util/variant/version.cc: Likewise.
+ * testsuite/20_util/variant/visit_inherited.cc: Likewise.
+ * testsuite/20_util/void_t/1.cc: Likewise.
+ * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/cons/char/constexpr.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/cons/wchar_t/constexpr.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/erasure.cc: Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_float.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/version.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/version.cc: Likewise.
+ * testsuite/21_strings/basic_string_view/operations/contains/char.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string_view/operations/copy/char/constexpr.cc:
+ Likewise.
+ * testsuite/21_strings/char_traits/requirements/constexpr_functions_c++17.cc:
+ Likewise.
+ * testsuite/21_strings/char_traits/requirements/constexpr_functions_c++20.cc:
+ Likewise.
+ * testsuite/21_strings/char_traits/requirements/version.cc:
+ Likewise.
+ * testsuite/23_containers/array/comparison_operators/constexpr.cc:
+ Likewise.
+ * testsuite/23_containers/array/creation/1.cc: Likewise.
+ * testsuite/23_containers/array/creation/2.cc: Likewise.
+ * testsuite/23_containers/array/element_access/constexpr_c++17.cc:
+ Likewise.
+ * testsuite/23_containers/array/requirements/constexpr_fill.cc:
+ Likewise.
+ * testsuite/23_containers/array/requirements/constexpr_iter.cc:
+ Likewise.
+ * testsuite/23_containers/deque/erasure.cc: Likewise.
+ * testsuite/23_containers/forward_list/erasure.cc: Likewise.
+ * testsuite/23_containers/list/erasure.cc: Likewise.
+ * testsuite/23_containers/map/erasure.cc: Likewise.
+ * testsuite/23_containers/queue/cons_from_iters.cc: Likewise.
+ * testsuite/23_containers/set/erasure.cc: Likewise.
+ * testsuite/23_containers/span/1.cc: Likewise.
+ * testsuite/23_containers/span/2.cc: Likewise.
+ * testsuite/23_containers/stack/cons_from_iters.cc: Likewise.
+ * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
+ * testsuite/23_containers/unordered_map/operations/1.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
+ * testsuite/23_containers/unordered_set/operations/1.cc:
+ Likewise.
+ * testsuite/23_containers/vector/cons/constexpr.cc: Likewise.
+ * testsuite/23_containers/vector/erasure.cc: Likewise.
+ * testsuite/23_containers/vector/requirements/version.cc:
+ Likewise.
+ * testsuite/24_iterators/insert_iterator/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/clamp/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/clamp/requirements/explicit_instantiation/1.cc:
+ Remove redundant checks already tested elsewhere.
+ * testsuite/25_algorithms/constexpr_macro.cc: Likewise.
+ * testsuite/25_algorithms/cpp_lib_constexpr.cc: Likewise.
+ * testsuite/25_algorithms/fold_left/1.cc: Likewise.
+ * testsuite/25_algorithms/pstl/feature_test-2.cc: Likewise.
+ * testsuite/25_algorithms/pstl/feature_test-3.cc: Likewise.
+ * testsuite/25_algorithms/pstl/feature_test-4.cc: Likewise.
+ * testsuite/25_algorithms/pstl/feature_test-5.cc: Likewise.
+ * testsuite/25_algorithms/pstl/feature_test.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.byteswap/byteswap.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.byteswap/version.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.cast/bit_cast.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.cast/version.cc: Likewise.
+ * testsuite/26_numerics/bit/header-2.cc: Likewise.
+ * testsuite/26_numerics/bit/header.cc: Likewise.
+ * testsuite/26_numerics/complex/1.cc: Likewise.
+ * testsuite/26_numerics/complex/2.cc: Likewise.
+ * testsuite/26_numerics/endian/2.cc: Likewise.
+ * testsuite/26_numerics/endian/3.cc: Likewise.
+ * testsuite/26_numerics/gcd/1.cc: Likewise.
+ * testsuite/26_numerics/lcm/1.cc: Likewise.
+ * testsuite/26_numerics/lerp/1.cc: Likewise.
+ * testsuite/26_numerics/lerp/version.cc: Likewise.
+ * testsuite/26_numerics/midpoint/integral.cc: Likewise.
+ * testsuite/26_numerics/midpoint/version.cc: Likewise.
+ * testsuite/26_numerics/numbers/1.cc: Likewise.
+ * testsuite/26_numerics/numbers/2.cc: Likewise.
+ * testsuite/27_io/basic_filebuf/native_handle/char/1.cc:
+ Likewise.
+ * testsuite/27_io/basic_filebuf/native_handle/version.cc:
+ Likewise.
+ * testsuite/27_io/basic_ofstream/open/char/noreplace.cc:
+ Likewise.
+ * testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc:
+ Likewise.
+ * testsuite/27_io/basic_syncbuf/1.cc: Likewise.
+ * testsuite/27_io/basic_syncbuf/2.cc: Likewise.
+ * testsuite/27_io/basic_syncstream/1.cc: Likewise.
+ * testsuite/27_io/basic_syncstream/2.cc: Likewise.
+ * testsuite/27_io/spanstream/1.cc: Likewise.
+ * testsuite/27_io/spanstream/version.cc: Likewise.
+ * testsuite/29_atomics/atomic/cons/value_init.cc: Likewise.
+ * testsuite/29_atomics/atomic/lock_free_aliases.cc: Likewise.
+ * testsuite/29_atomics/atomic/wait_notify/1.cc: Likewise.
+ * testsuite/29_atomics/atomic/wait_notify/2.cc: Likewise.
+ * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
+ Likewise.
+ * testsuite/29_atomics/headers/stdatomic.h/version.cc: Likewise.
+ * testsuite/30_threads/barrier/1.cc: Likewise.
+ * testsuite/30_threads/barrier/2.cc: Likewise.
+ * testsuite/30_threads/condition_variable_any/stop_token/1.cc:
+ Likewise.
+ * testsuite/30_threads/condition_variable_any/stop_token/2.cc:
+ Likewise.
+ * testsuite/30_threads/jthread/1.cc: Likewise.
+ * testsuite/30_threads/jthread/version.cc: Likewise.
+ * testsuite/30_threads/latch/1.cc: Likewise.
+ * testsuite/30_threads/latch/2.cc: Likewise.
+ * testsuite/30_threads/scoped_lock/requirements/typedefs.cc:
+ Likewise.
+ * testsuite/30_threads/semaphore/1.cc: Likewise.
+ * testsuite/30_threads/semaphore/2.cc: Likewise.
+ * testsuite/30_threads/stop_token/1.cc: Likewise.
+ * testsuite/30_threads/stop_token/2.cc: Likewise.
+ * testsuite/experimental/feat-char8_t.cc: Likewise.
+ * testsuite/experimental/iterator/ostream_joiner.cc: Likewise.
+ * testsuite/experimental/numeric/gcd.cc: Likewise.
+ * testsuite/experimental/scopeguard/uniqueres.cc: Likewise.
+ * testsuite/std/concepts/1.cc: Likewise.
+ * testsuite/std/concepts/2.cc: Likewise.
+ * testsuite/std/ranges/adaptors/as_const/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/chunk/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/chunk_by/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/enumerate/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/join_with/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/slide/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/stride/1.cc: Likewise.
+ * testsuite/std/ranges/cartesian_product/1.cc: Likewise.
+ * testsuite/std/ranges/headers/ranges/synopsis.cc: Likewise.
+ * testsuite/std/ranges/repeat/1.cc: Likewise.
+ * testsuite/std/ranges/version_c++23.cc: Likewise.
+ * testsuite/std/ranges/zip/1.cc: Likewise.
+ * testsuite/std/time/syn_c++20.cc: Likewise.
+ * testsuite/experimental/feat-cxx14.cc: Likewise. Include
+ <algorithm> and <iterator>.
+ * testsuite/23_containers/array/tuple_interface/get_neg.cc:
+ Adjust dg-error line numbers.
+
+2023-11-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/version.def (stds): Use >= 202100 for C++23
+ condition.
+ * include/bits/version.h: Regenerate.
+ * include/std/thread: Use > C++20 instead of >= C++23 for
+ __cplusplus condition.
+
+2023-11-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/istream (__rvalue_stream_extraction_t): Test
+ __cpp_concepts instead of __cpp_lib_concepts.
+ * include/std/ostream (__derived_from_ios_base): Likewise.
+ (__rvalue_stream_insertion_t): Likewise.
+
+2023-11-15 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/112491
+ * python/libstdcxx/v6/xmethods.py (DequeWorkerBase.index):
+ Correctly handle unused capacity at the start of the first node.
+ * testsuite/libstdc++-xmethods/deque.cc: Check index operator
+ when elements have been removed from the front.
+
+2023-11-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/stacktrace (basic_stacktrace::at): Fix class name
+ in exception message.
+ * testsuite/19_diagnostics/stacktrace/hash.cc: Do not fail if
+ current() returns a non-empty stacktrace.
+
+2023-11-15 Alexandre Oliva <oliva@gnu.org>
+
+ Revert:
+ 2023-11-15 Alexandre Oliva <oliva@adacore.com>
+
+ * include/bits/stl_bvector.h (_GLIBCXX_ALWAYS_INLINE): Undef.
+
+2023-11-15 Alexandre Oliva <oliva@adacore.com>
+
+ * include/bits/stl_bvector.h (_GLIBCXX_ALWAYS_INLINE): Undef.
+
+2023-11-14 Cassio Neri <cassio.neri@gmail.com>
+
+ * include/std/chrono (operator-(const weekday&, const weekday&)):
+ Optimize.
+
+2023-11-14 Cassio Neri <cassio.neri@gmail.com>
+
+ * include/std/chrono (weekday::_S_from_days): Fix UB.
+ * testsuite/std/time/weekday/1.cc: Add test for overflow.
+
+2023-11-14 Cassio Neri <cassio.neri@gmail.com>
+
+ * include/std/chrono (year::is_leap): Clear code.
+
+2023-11-14 Cassio Neri <cassio.neri@gmail.com>
+
+ * include/std/chrono (year_month_day_last::day): Remove &1.
+
+2023-11-14 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/charconv (__from_chars_pow2_base): Convert base to
+ unsigned for call to __countr_zero.
+ (__from_chars_alnum): Likewise for call to __bit_width.
+
+2023-11-14 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/112348
+ * include/std/stacktrace (hash<basic_stacktrace<Alloc>>): Fix
+ type of hash functio nfor entries.
+ * testsuite/19_diagnostics/stacktrace/hash.cc: New test.
+
+2023-11-14 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/112491
+ * python/libstdcxx/v6/xmethods.py (DequeWorkerBase.size): Fix
+ calculation to use _M_start._M_cur.
+ * testsuite/libstdc++-xmethods/deque.cc: Check failing cases.
+
+2023-11-13 Arsen Arsenović <arsen@aarsen.me>
+
+ * configure: Regenerate.
+
+2023-11-13 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/std/time/clock/file/io.cc: Double timeout using
+ dg-timeout-factor.
+ * testsuite/std/time/clock/gps/io.cc: Likewise.
+ * testsuite/std/time/clock/local/io.cc: Likewise.
+ * testsuite/std/time/clock/system/io.cc: Likewise.
+ * testsuite/std/time/clock/tai/io.cc: Likewise.
+ * testsuite/std/time/clock/utc/io.cc: Likewise.
+
+2023-11-13 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/112480
+ * include/std/optional (_Optional_payload_base::_M_reset): Set
+ _M_engaged to false unconditionally.
+
+2023-11-11 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/112467
+ * include/bits/stl_bvector.h (_M_assume_normalized): Do not use
+ statement form of assume attribute for Clang.
+
+2023-11-11 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/string_view (operator==, operator<=>): Remove
+ redundant overloads (LWG 3950).
+
+2023-11-11 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/26_numerics/headers/complex.h/std_c++11.h: Moved to...
+ * testsuite/26_numerics/headers/complex.h/std_c++11.cc: ...here.
+ * testsuite/26_numerics/headers/complex.h/std_c++98.h: Moved to...
+ * testsuite/26_numerics/headers/complex.h/std_c++98.cc: ...here.
+ Check macro first and then #undef.
+ * testsuite/26_numerics/headers/complex.h/std_gnu++11.h: Moved to...
+ * testsuite/26_numerics/headers/complex.h/std_gnu++11.cc: ...here.
+
+2023-11-11 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/112473
+ * include/bits/utility.h (integer_sequence): Add static_assert.
+ * testsuite/20_util/integer_sequence/112473.cc: New test.
+
+2023-11-11 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/20_util/pair/dangling_ref.cc: Add hosted effective
+ target for specifiers using c++17_down.
+
+2023-11-11 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/shared_ptr_atomic.h (atomic_is_lock_free)
+ (atomic_load_explicit, atomic_load, atomic_store_explicit)
+ (atomic_store, atomic_exchange_explicit, atomic_exchange)
+ (atomic_compare_exchange_strong, atomic_compare_exchange_weak)
+ (atomic_compare_exchange_strong_explicit)
+ (atomic_compare_exchange_weak_explicit): Add deprecated
+ attribute for C++20 and later.
+ * testsuite/20_util/shared_ptr/atomic/1.cc: Suppress deprecated
+ warnings.
+ * testsuite/20_util/shared_ptr/atomic/2.cc: Likewise.
+ * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
+ * testsuite/29_atomics/atomic/lwg3220.cc: Likewise.
+
+2023-11-11 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/std_mutex.h (lock_guard): Add [[nodiscard]]
+ attribute to constructors.
+ * include/bits/unique_lock.h (unique_lock): Likewise.
+ * include/std/mutex (scoped_lock, scoped_lock<Mutex>): Likewise.
+ * testsuite/30_threads/lock_guard/cons/nodiscard.cc: New test.
+ * testsuite/30_threads/scoped_lock/cons/nodiscard.cc: New test.
+ * testsuite/30_threads/unique_lock/cons/nodiscard.cc: New test.
+
+2023-11-11 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/span (span, as_bytes, as_writable_bytes): Add
+ [[nodiscard]] attribute on all non-void functions.
+ * testsuite/23_containers/span/back_assert_neg.cc: Suppress
+ nodiscard warning.
+ * testsuite/23_containers/span/back_neg.cc: Likewise.
+ * testsuite/23_containers/span/first_2_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/first_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/first_neg.cc: Likewise.
+ * testsuite/23_containers/span/front_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/front_neg.cc: Likewise.
+ * testsuite/23_containers/span/index_op_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/index_op_neg.cc: Likewise.
+ * testsuite/23_containers/span/last_2_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/last_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/last_neg.cc: Likewise.
+ * testsuite/23_containers/span/subspan_2_assert_neg.cc:
+ Likewise.
+ * testsuite/23_containers/span/subspan_3_assert_neg.cc:
+ Likewise.
+ * testsuite/23_containers/span/subspan_4_assert_neg.cc:
+ Likewise.
+ * testsuite/23_containers/span/subspan_5_assert_neg.cc:
+ Likewise.
+ * testsuite/23_containers/span/subspan_6_assert_neg.cc:
+ Likewise.
+ * testsuite/23_containers/span/subspan_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/subspan_neg.cc: Likewise.
+ * testsuite/23_containers/span/nodiscard.cc: New test.
+
+2023-11-11 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/111638
+ * config.h.in: Regenerate.
+ * configure: Regenerate.
+ * linkage.m4 (GLIBCXX_MAYBE_UNDERSCORED_FUNCS): Remove.
+ (GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_1): Do not check for _foo.
+ (GLIBCXX_CHECK_MATH_DECLS_AND_LINKAGES_1): Likewise.
+ (GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_2): Likewise.
+ (GLIBCXX_CHECK_MATH_DECL_AND_LINKAGE_3): Likewise.
+ (GLIBCXX_CHECK_STDLIB_DECL_AND_LINKAGE_2): Do not use
+ GLIBCXX_MAYBE_UNDERSCORED_FUNCS.
+
+2023-11-11 Nathaniel Shead <nathanieloshead@gmail.com>
+
+ PR libstdc++/79700
+ * include/c_global/cmath (acosf, acosl, asinf, asinl, atanf)
+ (atanl, atan2f, atan2l, ceilf, ceill, cosf, cosl, coshf, coshl)
+ (expf, expl, fabsf, fabsl, floorf, floorl, fmodf, fmodl, frexpf)
+ (frexpl, ldexpf, ldexpl, logf, logl, log10f, log10l, modff)
+ (modfl, powf, powl, sinf, sinl, sinhf, sinhl, sqrtf, sqrtl, tanf)
+ (tanl, tanhf, tanhl): Add using-declarations in namespace std.
+ * testsuite/26_numerics/headers/cmath/equivalent_functions.cc:
+ New test.
+ * testsuite/26_numerics/headers/cmath/functions_std_c++17.cc:
+ Add checks for existence of above names.
+
+2023-11-09 Arsen Arsenović <arsen@aarsen.me>
+
+ * testsuite/20_util/scoped_allocator/noexcept.cc: Mark as
+ requiring hosted.
+
+2023-11-09 Arsen Arsenović <arsen@aarsen.me>
+
+ * include/bits/memoryfwd.h: Remove HOSTED check around allocator
+ and its specializations.
+
+2023-11-09 Patrick Palka <ppalka@redhat.com>
+
+ PR libstdc++/112453
+ * include/std/ranges (__detail::__box<_Tp>::operator*): Define
+ && overloads as well.
+ (__detail::__take_of_repeat_view): Forward __r when accessing
+ its _M_value member.
+ (__detail::__drop_of_repeat_view): Likewise.
+ * testsuite/std/ranges/repeat/1.cc (test07): New test.
+
+2023-11-09 François Dumont <fdumont@gcc.gnu.org>
+
+ * include/bits/hashtable_policy.h (_RehashStateGuard): New.
+ (_Insert_base<>::_M_insert_range(_IIt, _IIt, const _NodeGet&, false_type)):
+ Adapt.
+ * include/bits/hashtable.h (__rehash_guard_t): New.
+ (__rehash_state): Remove.
+ (_M_rehash): Remove.
+ (_M_rehash_aux): Rename into _M_rehash.
+ (_M_assign_elements, _M_insert_unique_node, _M_insert_multi_node): Adapt.
+ (rehash): Adapt.
+
+2023-11-09 François Dumont <fdumont@gcc.gnu.org>
+
+ * include/bits/hashtable_policy.h
+ (struct _NodePtrGuard<_HashtableAlloc, _NodePtr>): New.
+ (_ReuseAllocNode::operator()(_Args&&...)): Use latter to guard allocated node
+ pointer while constructing in place the value_type instance.
+
+2023-11-09 Alexandre Oliva <oliva@adacore.com>
+
+ PR libstdc++/110807
+ * include/bits/stl_bvector.h (_Bit_iterator_base): Add
+ _M_assume_normalized member function. Call it in _M_bump_up,
+ _M_bump_down, _M_incr, operator==, operator<=>, operator<, and
+ operator-.
+ (_Bit_iterator): Also call it in operator*.
+ (_Bit_const_iterator): Likewise.
+
+2023-11-07 François Dumont <fdumont@gcc.gnu.org>
+
+ * include/bits/hashtable_policy.h
+ (_Hashtable_alloc<>::_M_allocate_node): Add missing call to node destructor
+ on construct exception.
+
+2023-11-07 Richard Biener <rguenther@suse.de>
+
+ PR libstdc++/112351
+ * src/c++98/locale.cc (locale::facet::_S_initialize_once):
+ Check whether _S_c_locale is already initialized.
+ (locale::facet::_S_get_c_locale): Always perform non-threadsafe
+ init when threadsafe init failed.
+
+2023-11-06 Ian Lance Taylor <iant@golang.org>
+
+ PR libbacktrace/111315
+ PR libbacktrace/112263
+ * acinclude.m4: Set -D_GNU_SOURCE in BACKTRACE_CPPFLAGS and when
+ grepping link.h for dl_iterate_phdr.
+ * configure: Regenerate.
+
+2023-11-06 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/expected (expected::and_then, expected::or_else):
+ Add string literals to static assertions.
+ * include/std/optional (optional::and_then, optional::or_else):
+ Likewise.
+
+2023-11-04 Feng Jisen <J1senn@outlook.com>
+
+ * include/bits/utility.h (_Nth_type): Remove redundant partial
+ specialization.
+
+2023-11-04 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110133
+ * include/std/system_error (system_error::system_error): Group
+ arguments so that concatenation can reuse rvalue's capacity.
+ * src/c++11/system_error.cc (strerror_string): New function.
+ [_GLIBCXX_HAVE_STRERROR_R] (use_strerror_result): New functions.
+ (generic_error_category::message): Use strerror_string.
+ (system_error_category::message): Likewise.
+
+2023-11-04 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/xml/manual/appendix_contributing.xml: Replace example that
+ uses a BADNAME.
+ * doc/html/manual/source_code_style.html: Regenerate.
+
+2023-11-02 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/112314
+ * include/std/string_view (string_view::remove_suffix): Add
+ debug assertion.
+ * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/debug.cc:
+ New test.
+ * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/debug.cc:
+ New test.
+
+2023-11-02 Jonathan Wakely <jwakely@redhat.com>
+
+ * acinclude.m4 (GLIBCXX_ENABLE_C99): Fix snprintf checks.
+ * configure: Regenerate.
+
+2023-10-30 François Dumont <fdumont@gcc.gnu.org>
+
+ * config/abi/pre/gnu-versioned-namespace.ver: Add comment on recently
+ added emul TLS symbols.
+
+2023-10-30 François Dumont <fdumont@gcc.gnu.org>
+
+ * src/experimental/contract.cc
+ [_GLIBCXX_INLINE_VERSION](handle_contract_violation): Rework comment.
+ Remove weak attribute.
+
+2023-10-29 François Dumont <fdumont@gcc.gnu.org>
+
+ * config/abi/pre/gnu-versioned-namespace.ver: Add missing emul TLS
+ symbols.
+
+2023-10-29 François Dumont <fdumont@gcc.gnu.org>
+
+ * src/experimental/contract.cc
+ [_GLIBCXX_INLINE_VERSION](handle_contract_violation): Provide symbol
+ without version namespace decoration for gcc.
+
+2023-10-26 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/112089
+ * include/std/shared_mutex (shared_lock::unlock): Change errc
+ constant to operation_not_permitted.
+ * testsuite/30_threads/shared_lock/locking/112089.cc: New test.
+
+2023-10-26 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/20_util/duration/io.cc: Double timeout using
+ dg-timeout-factor.
+ * testsuite/std/time/day/io.cc: Likewise.
+ * testsuite/std/time/format.cc: Likewise.
+ * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
+ * testsuite/std/time/month/io.cc: Likewise.
+ * testsuite/std/time/month_day/io.cc: Likewise.
+ * testsuite/std/time/month_day_last/io.cc: Likewise.
+ * testsuite/std/time/month_weekday/io.cc: Likewise.
+ * testsuite/std/time/month_weekday_last/io.cc: Likewise.
+ * testsuite/std/time/weekday/io.cc: Likewise.
+ * testsuite/std/time/weekday_indexed/io.cc: Likewise.
+ * testsuite/std/time/weekday_last/io.cc: Likewise.
+ * testsuite/std/time/year/io.cc: Likewise.
+ * testsuite/std/time/year_month/io.cc: Likewise.
+ * testsuite/std/time/year_month_day/io.cc: Likewise.
+ * testsuite/std/time/year_month_day_last/io.cc: Likewise.
+ * testsuite/std/time/year_month_weekday/io.cc: Likewise.
+ * testsuite/std/time/year_month_weekday_last/io.cc: Likewise.
+ * testsuite/std/time/zoned_time/io.cc: Likewise.
+
+2023-10-25 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/111936
+ * src/libbacktrace/Makefile.am: Add -prefer-pic to libtool
+ compile commands.
+ * src/libbacktrace/Makefile.in: Regenerate.
+
+2023-10-24 Paul M. Bendixen <paulbendixen@gmail.com>
+
+ * include/Makefile.am: Move cstdarg, cstdalign and cstdbool to
+ freestanding.
+ * include/Makefile.in: Regenerate.
+
+2023-10-22 Iain Sandoe <iain@sandoe.co.uk>
+
+ * configure: Regenerate.
+ * configure.ac: Handle Darwin rpaths.
+ * src/Makefile.am: Handle Darwin rpaths.
+ * src/Makefile.in: Regenerate.
+
+2023-10-21 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/basic_string.h (_M_init_local_buf()): New
+ function.
+ (_M_use_local_data()): Use _M_init_local_buf.
+ (basic_string(), basic_string(const Alloc&))
+ (basic_string(basic_string&&))
+ (basic_string(basic_string&&, const Alloc&)): Use
+ _M_init_local_buf instead of _M_use_local_data().
+ * include/bits/basic_string.tcc (swap(basic_string&))
+ (_M_construct(InIter, InIter, input_iterator_tag))
+ (_M_construct(InIter, InIter, forward_iterator_tag))
+ (_M_construct(size_type, CharT), reserve()): Likewise.
+
+2023-10-21 Benjamin Brock <brock@cs.berkeley.edu>
+
+ * include/std/ranges (zip_view, adjacent_view): Implement
+ workaround for LLVM-61763.
+
+2023-10-21 Dimitrij Mijoski <dmjpp@hotmail.com>
+
+ * testsuite/22_locale/codecvt/codecvt_unicode.h: Test length()
+
+2023-10-21 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/fs_dir.h (operator==(default_sentinel_t)): Fix
+ indentation.
+
+2023-10-20 Marek Polacek <polacek@redhat.com>
+
+ PR testsuite/111883
+ * include/std/charconv (from_chars): Add explicit casts.
+
+2023-10-19 François Dumont <fdumont@gcc.gnu.org>
+
+ * include/bits/hashtable_policy.h
+ (_Hash_code_base::_M_hash_code(const _Hash&, const _Hash_node_value<>&)): Remove.
+ (_Hash_code_base::_M_hash_code<_H2>(const _H2&, const _Hash_node_value<>&)): Remove.
+ * include/bits/hashtable.h
+ (_M_src_hash_code<_H2>(const _H2&, const key_type&, const __node_value_type&)): New.
+ (_M_merge_unique<>, _M_merge_multi<>): Use latter.
+ * testsuite/23_containers/unordered_map/modifiers/merge.cc
+ (test04, test05, test06): New test cases.
+
+2023-10-13 Jakub Jelinek <jakub@redhat.com>
+
+ * testsuite/tr1/8_c_compatibility/cstdio/functions.cc (test01):
+ Initialize stream to va_arg(ap, FILE*) rather than 0.
+ * testsuite/tr1/8_c_compatibility/cwchar/functions.cc (test01):
+ Likewise.
+
+2023-10-13 Hans-Peter Nilsson <hp@axis.com>
+
+ * testsuite/29_atomics/atomic/compare_exchange_padding.cc,
+ testsuite/29_atomics/atomic_flag/clear/1.cc,
+ testsuite/29_atomics/atomic_flag/cons/value_init.cc,
+ testsuite/29_atomics/atomic_flag/test_and_set/explicit.cc,
+ testsuite/29_atomics/atomic_flag/test_and_set/implicit.cc,
+ testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc,
+ testsuite/29_atomics/atomic_ref/generic.cc,
+ testsuite/29_atomics/atomic_ref/integral.cc,
+ testsuite/29_atomics/atomic_ref/pointer.cc: Replace
+ dg-require-thread-fence with dg-require-atomic-cmpxchg-word.
+
+2023-10-13 Hans-Peter Nilsson <hp@axis.com>
+
+ * testsuite/lib/dg-options.exp (dg-require-atomic-cmpxchg-word):
+ New proc.
+ * testsuite/lib/libstdc++.exp (check_v3_target_atomic_cmpxchg_word):
+ Ditto.
+
+2023-10-05 François Dumont <fdumont@gcc.gnu.org>
+
+ * config/abi/pre/gnu-versioned-namespace.ver: Add missing symbols
+ for _Float{16,32,64,128,32x,64x,128x}.
+
+2023-10-04 Tom Tromey <tromey@adacore.com>
+
+ * python/libstdcxx/v6/printers.py
+ (StdExpAnyPrinter.__init__): Qualify call to
+ _string_types.
+
+2023-10-04 Tom Tromey <tromey@adacore.com>
+
+ * python/libstdcxx/v6/printers.py: Assume that
+ _versioned_namespace is non-None.
+ * python/libstdcxx/v6/xmethods.py (is_specialization_of):
+ Assume that _versioned_namespace is non-None.
+
+2023-10-04 Tom Tromey <tromey@adacore.com>
+
+ * python/libstdcxx/v6/xmethods.py (_versioned_namespace):
+ Define.
+
+2023-09-29 Dimitrij Mijoski <dmjpp@hotmail.com>
+
+ PR libstdc++/108976
+ * src/c++11/codecvt.cc (read_utf8_code_point): Fix handing of
+ surrogates in UTF-8.
+ (ucs4_out): Fix handling of surrogates in UCS-4 -> UTF-8.
+ (ucs4_in): Fix handling of range with odd number of bytes.
+ (ucs4_out): Fix handling of surrogates in UCS-4 -> UTF-16.
+ (ucs2_out): Fix handling of surrogates in UCS-2 -> UTF-16.
+ (ucs2_in): Fix handling of range with odd number of bytes.
+ (__codecvt_utf16_base<char16_t>::do_in): Likewise.
+ (__codecvt_utf16_base<char32_t>::do_in): Likewise.
+ (__codecvt_utf16_base<wchar_t>::do_in): Likewise.
+ * testsuite/22_locale/codecvt/codecvt_unicode.cc: Renames, add
+ tests for codecvt_utf16<char16_t> and codecvt_utf16<char32_t>.
+ * testsuite/22_locale/codecvt/codecvt_unicode.h: Refactor UTF-8
+ testing functions for char8_t, add more test cases for errors,
+ add testing functions for codecvt_utf16.
+ * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc:
+ Renames, add tests for codecvt_utf16<whchar_t>.
+ * testsuite/22_locale/codecvt/codecvt_utf16/79980.cc (test06):
+ Fix test.
+ * testsuite/22_locale/codecvt/codecvt_unicode_char8_t.cc: New
+ test.
+
+2023-09-29 Nathaniel Shead <nathanieloshead@gmail.com>
+
+ * include/bits/basic_string.h: (basic_string(basic_string&&)):
+ Activate _M_local_buf when needed.
+ (basic_string(basic_string&&, const _Alloc&)): Likewise.
+ * include/bits/basic_string.tcc: (basic_string::swap): Likewise.
+ * include/std/variant: (__detail::__variant::__construct_n): New.
+ (__detail::__variant::__emplace): Use __construct_n.
+
+2023-09-28 Tom Tromey <tromey@adacore.com>
+
+ * python/libstdcxx/v6/printers.py (Printer.add_version)
+ (add_one_template_type_printer)
+ (FilteringTypePrinter.add_one_type_printer): Use Python
+ "not in" operator.
+
+2023-09-28 Tom Tromey <tromey@adacore.com>
+
+ * python/libstdcxx/v6/printers.py (std_ratio_t_tuple):
+ Remove.
+
+2023-09-28 Tom Tromey <tromey@adacore.com>
+
+ * python/libstdcxx/v6/printers.py
+ (StdExpOptionalPrinter.__init__, lookup_node_type):
+ Remove unused variables.
+
+2023-09-28 Tom Tromey <tromey@adacore.com>
+
+ * python/libstdcxx/v6/printers.py: Don't import 'os'.
+ * python/libstdcxx/v6/__init__.py: Don't import 'gdb'.
+
+2023-09-28 Tom Tromey <tromey@adacore.com>
+
+ * python/libstdcxx/v6/printers.py: Use gdb.ValuePrinter
+ everywhere. Rename members to start with "_".
+
+2023-09-28 Tom Tromey <tromey@adacore.com>
+
+ * testsuite/lib/gdb-test.exp (gdb-test): Enable Python
+ stack traces from gdb.
+
+2023-09-28 Jonathan Wakely <jwakely@redhat.com>
+
+ * python/libstdcxx/v6/xmethods.py (is_specialization_of): Define
+ new function.
+ (ArrayMethodsMatcher, DequeMethodsMatcher)
+ (ForwardListMethodsMatcher, ListMethodsMatcher)
+ (VectorMethodsMatcher, AssociativeContainerMethodsMatcher)
+ (UniquePtrGetWorker, UniquePtrMethodsMatcher)
+ (SharedPtrSubscriptWorker, SharedPtrMethodsMatcher): Use
+ is_specialization_of instead of re.match.
+
+2023-09-28 Jonathan Wakely <jwakely@redhat.com>
+
+ * python/libstdcxx/v6/printers.py: Break long lines. Use raw
+ strings for regular expressions. Add whitespace around
+ operators.
+ (is_member_of_namespace): Use isinstance to check type.
+ (is_specialization_of): Likewise. Adjust template_name
+ for versioned namespace instead of duplicating the re.match
+ call.
+ (StdExpAnyPrinter._string_types): New static method.
+ (StdExpAnyPrinter.to_string): Use _string_types.
+
+2023-09-28 Jonathan Wakely <jwakely@redhat.com>
+
+ * python/libstdcxx/v6/printers.py: Format docstrings according
+ to PEP 257.
+ * python/libstdcxx/v6/xmethods.py: Likewise.
+
+2023-09-28 Tim Song <t.canens.cpp@gmail.com>
+
+ PR libstdc++/111050
+ * include/bits/hashtable_policy.h
+ (_Hash_node_value_base<>::_M_valptr(), _Hash_node_value_base<>::_M_v())
+ Add [[__gnu__::__always_inline__]].
+
+2023-09-27 Jonathan Wakely <jwakely@redhat.com>
+
+ * python/libstdcxx/v6/printers.py (StdChronoTimeZoneRulePrinter):
+ Fix incorrect number of replacement fields.
+
+2023-09-26 Hans-Peter Nilsson <hp@axis.com>
+
+ * testsuite/29_atomics/atomic_flag/cons/value_init.cc: Add
+ dg-require-thread-fence.
+
+2023-09-25 Patrick Palka <ppalka@redhat.com>
+
+ * include/std/charconv (__detail::__integer_to_chars_result_type):
+ Remove.
+ (__detail::__to_chars_16): Use to_chars_result as return type.
+ (__detail::__to_chars_10): Likewise.
+ (__detail::__to_chars_8): Likewise.
+ (__detail::__to_chars_2): Likewise.
+ (__detail::__to_chars_i): Likewise.
+ (__detail::__integer_from_chars_result_type): Inline the
+ constraint into ...
+ (from_chars): ... here. Use __is_standard_integer in the
+ constraint. Encode constraint as a defaulted non-type template
+ parameter instead of within the return type.
+
+2023-09-25 John David Anglin <danglin@gcc.gnu.org>
+
+ * config/abi/post/hppa-linux-gnu/baseline_symbols.txt: Update.
+
+2023-09-25 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/111511
+ PR c++/111512
+ * include/std/array (to_array): Cast memcpy arguments to void*.
+ * testsuite/23_containers/array/creation/111512.cc: New test.
+
+2023-09-25 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/move.h (forward_list): Define for C++23.
+ * include/bits/version.def (forward_like): Define.
+ * include/bits/version.h: Regenerate.
+ * include/std/utility (__glibcxx_want_forward_like): Define.
+ * testsuite/20_util/forward_like/1.cc: New test.
+ * testsuite/20_util/forward_like/2_neg.cc: New test.
+ * testsuite/20_util/forward_like/version.cc: New test.
+
+2023-09-19 Marek Polacek <polacek@redhat.com>
+
+ * testsuite/20_util/allocator/105975.cc: Add dg-error.
+
+2023-09-18 Patrick Palka <ppalka@redhat.com>
+
+ PR c++/63198
+ PR c++/18474
+ * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
+ Make data member seed_seq::called mutable.
+ * testsuite/26_numerics/random/independent_bits_engine/cons/seed_seq2.cc:
+ Likewise.
+ * testsuite/26_numerics/random/linear_congruential_engine/cons/seed_seq2.cc:
+ Likewise.
+ * testsuite/26_numerics/random/mersenne_twister_engine/cons/seed_seq2.cc:
+ Likewise.
+ * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
+ Likewise.
+ * testsuite/26_numerics/random/subtract_with_carry_engine/cons/seed_seq2.cc:
+ Likewise.
+ * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/seed_seq2.cc:
+ Likewise.
+
+2023-09-18 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/xml/manual/status_cxx2020.xml: Tweak P1466R3 status.
+ * doc/html/manual/status.html: Regenerate.
+
+2023-09-18 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/xml/manual/configure.xml: Use conventional option name.
+ * doc/xml/manual/status_cxx2020.xml: Update.
+ * doc/xml/manual/status_cxx2023.xml: Update.
+ * doc/html/*: Regenerate.
+
+2023-09-18 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/xml/manual/intro.xml: Clarify that building libstdc++
+ separately from GCC is not supported.
+ * doc/xml/manual/prerequisites.xml: Note msgfmt prerequisite for
+ testing.
+ * doc/html/manual/setup.html: Regenerate.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/29_atomics/atomic_ref/wait_notify.cc: Do not
+ restrict to pthreads targets.
+ * testsuite/30_threads/jthread/3.cc: Likewise.
+ * testsuite/30_threads/semaphore/100806.cc: Likewise.
+ * testsuite/30_threads/semaphore/try_acquire.cc: Likewise.
+ * testsuite/30_threads/semaphore/try_acquire_for.cc: Likewise.
+ * testsuite/30_threads/semaphore/try_acquire_posix.cc: Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/18_support/coroutines/95917.cc: Remove dg-options
+ -std=gnu++2a.
+ * testsuite/18_support/coroutines/hash.cc: Likewise.
+ * testsuite/18_support/coroutines/lwg3460.cc: Likewise.
+ * testsuite/18_support/destroying_delete.cc: Likewise.
+ * testsuite/18_support/source_location/1.cc: Likewise.
+ * testsuite/18_support/source_location/consteval.cc: Likewise.
+ * testsuite/18_support/source_location/version.cc: Likewise.
+ * testsuite/19_diagnostics/error_category/operators/three_way.cc:
+ Likewise.
+ * testsuite/19_diagnostics/error_code/operators/three_way.cc:
+ Likewise.
+ * testsuite/19_diagnostics/error_condition/operators/three_way.cc:
+ Likewise.
+ * testsuite/19_diagnostics/stacktrace/output.cc: Likewise.
+ * testsuite/26_numerics/adjacent_difference/lwg2055.cc:
+ Likewise.
+ * testsuite/26_numerics/bit/bit.count/countl_zero.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.count/countr_one.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.count/countr_zero.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.count/popcount.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.pow.two/bit_ceil.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.pow.two/has_single_bit.cc:
+ Likewise.
+ * testsuite/28_regex/iterators/regex_iterator/lwg3719.cc:
+ Likewise.
+ * testsuite/28_regex/iterators/regex_token_iterator/lwg3719.cc:
+ Likewise.
+ * testsuite/28_regex/sub_match/compare_c++20.cc: Likewise.
+ * testsuite/experimental/filesystem/iterators/106201.cc:
+ Likewise.
+ * testsuite/experimental/scopeguard/exit.cc: Likewise.
+ * testsuite/experimental/scopeguard/uniqueres.cc: Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/30_threads/barrier/1.cc: Remove dg-options
+ -std=gnu++20.
+ * testsuite/30_threads/barrier/2.cc: Likewise.
+ * testsuite/30_threads/barrier/arrive.cc: Likewise.
+ * testsuite/30_threads/barrier/arrive_and_drop.cc: Likewise.
+ * testsuite/30_threads/barrier/arrive_and_wait.cc: Likewise.
+ * testsuite/30_threads/barrier/completion.cc: Likewise.
+ * testsuite/30_threads/condition_variable/members/clock_neg.cc:
+ Likewise.
+ * testsuite/30_threads/condition_variable_any/members/clock_neg.cc:
+ Likewise.
+ * testsuite/30_threads/condition_variable_any/stop_token/1.cc:
+ Likewise.
+ * testsuite/30_threads/condition_variable_any/stop_token/2.cc:
+ Likewise.
+ * testsuite/30_threads/future/members/clock_neg.cc: Likewise.
+ * testsuite/30_threads/headers/stop_token/synopsis.cc: Likewise.
+ * testsuite/30_threads/headers/thread/types_std_c++20.cc:
+ Likewise.
+ * testsuite/30_threads/jthread/1.cc: Likewise.
+ * testsuite/30_threads/jthread/100612.cc: Likewise.
+ * testsuite/30_threads/jthread/95989.cc: Likewise.
+ * testsuite/30_threads/jthread/jthread.cc: Likewise.
+ * testsuite/30_threads/jthread/version.cc: Likewise.
+ * testsuite/30_threads/latch/1.cc: Likewise.
+ * testsuite/30_threads/latch/2.cc: Likewise.
+ * testsuite/30_threads/latch/3.cc: Likewise.
+ * testsuite/30_threads/recursive_timed_mutex/try_lock_until/clock_neg.cc:
+ Likewise.
+ * testsuite/30_threads/semaphore/1.cc: Likewise.
+ * testsuite/30_threads/semaphore/2.cc: Likewise.
+ * testsuite/30_threads/semaphore/least_max_value_neg.cc:
+ Likewise.
+ * testsuite/30_threads/semaphore/try_acquire_until.cc: Likewise.
+ * testsuite/30_threads/shared_future/members/clock_neg.cc:
+ Likewise.
+ * testsuite/30_threads/shared_lock/locking/clock_neg.cc:
+ Likewise.
+ * testsuite/30_threads/shared_timed_mutex/try_lock_until/clock_neg.cc:
+ Likewise.
+ * testsuite/30_threads/stop_token/1.cc: Likewise.
+ * testsuite/30_threads/stop_token/2.cc: Likewise.
+ * testsuite/30_threads/stop_token/stop_callback.cc: Likewise.
+ * testsuite/30_threads/stop_token/stop_callback/deadlock.cc:
+ Likewise.
+ * testsuite/30_threads/stop_token/stop_callback/destructible_neg.cc:
+ Likewise.
+ * testsuite/30_threads/stop_token/stop_callback/invocable_neg.cc:
+ Likewise.
+ * testsuite/30_threads/stop_token/stop_callback/invoke.cc:
+ Likewise.
+ * testsuite/30_threads/stop_token/stop_source.cc: Likewise.
+ * testsuite/30_threads/stop_token/stop_source/assign.cc:
+ Likewise.
+ * testsuite/30_threads/stop_token/stop_token.cc: Likewise.
+ * testsuite/30_threads/stop_token/stop_token/stop_possible.cc:
+ Likewise.
+ * testsuite/30_threads/thread/id/operators_c++20.cc: Likewise.
+ * testsuite/30_threads/timed_mutex/try_lock_until/clock_neg.cc:
+ Likewise.
+ * testsuite/30_threads/unique_lock/locking/clock_neg.cc:
+ Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/27_io/basic_istream/extractors_character/char/lwg2499.cc:
+ Remove dg-options -std=gnu++2a.
+ * testsuite/27_io/basic_istream/extractors_character/char/lwg2499_neg.cc:
+ Likewise.
+ * testsuite/27_io/basic_istream/extractors_character/wchar_t/lwg2499.cc:
+ Likewise.
+ * testsuite/27_io/basic_istream/extractors_character/wchar_t/lwg2499_neg.cc:
+ Likewise.
+ * testsuite/27_io/basic_istringstream/cons/char/1.cc: Likewise.
+ * testsuite/27_io/basic_istringstream/cons/wchar_t/1.cc:
+ Likewise.
+ * testsuite/27_io/basic_istringstream/str/char/2.cc: Likewise.
+ * testsuite/27_io/basic_istringstream/str/wchar_t/2.cc:
+ Likewise.
+ * testsuite/27_io/basic_istringstream/view/char/1.cc: Likewise.
+ * testsuite/27_io/basic_istringstream/view/wchar_t/1.cc:
+ Likewise.
+ * testsuite/27_io/basic_ostream/emit/1.cc: Likewise.
+ * testsuite/27_io/basic_ostream/inserters_character/char/deleted.cc:
+ Likewise.
+ * testsuite/27_io/basic_ostream/inserters_character/wchar_t/deleted.cc:
+ Likewise.
+ * testsuite/27_io/basic_ostringstream/cons/char/1.cc: Likewise.
+ * testsuite/27_io/basic_ostringstream/cons/wchar_t/1.cc:
+ Likewise.
+ * testsuite/27_io/basic_ostringstream/str/char/3.cc: Likewise.
+ * testsuite/27_io/basic_ostringstream/str/wchar_t/3.cc:
+ Likewise.
+ * testsuite/27_io/basic_ostringstream/view/char/1.cc: Likewise.
+ * testsuite/27_io/basic_ostringstream/view/wchar_t/1.cc:
+ Likewise.
+ * testsuite/27_io/basic_stringbuf/cons/char/2.cc: Likewise.
+ * testsuite/27_io/basic_stringbuf/cons/wchar_t/2.cc: Likewise.
+ * testsuite/27_io/basic_stringbuf/str/char/4.cc: Likewise.
+ * testsuite/27_io/basic_stringbuf/str/wchar_t/4.cc: Likewise.
+ * testsuite/27_io/basic_stringbuf/view/char/1.cc: Likewise.
+ * testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc: Likewise.
+ * testsuite/27_io/basic_stringstream/cons/char/1.cc: Likewise.
+ * testsuite/27_io/basic_stringstream/cons/char/97719.cc:
+ Likewise.
+ * testsuite/27_io/basic_stringstream/cons/wchar_t/1.cc:
+ Likewise.
+ * testsuite/27_io/basic_stringstream/str/char/5.cc: Likewise.
+ * testsuite/27_io/basic_stringstream/str/wchar_t/5.cc.cc:
+ Likewise.
+ * testsuite/27_io/basic_stringstream/view/char/1.cc: Likewise.
+ * testsuite/27_io/basic_stringstream/view/wchar_t/1.cc:
+ Likewise.
+ * testsuite/27_io/basic_syncbuf/1.cc: Likewise.
+ * testsuite/27_io/basic_syncbuf/2.cc: Likewise.
+ * testsuite/27_io/basic_syncbuf/basic_ops/1.cc: Likewise.
+ * testsuite/27_io/basic_syncbuf/requirements/types.cc: Likewise.
+ * testsuite/27_io/basic_syncbuf/sync_ops/1.cc: Likewise.
+ * testsuite/27_io/basic_syncstream/1.cc: Likewise.
+ * testsuite/27_io/basic_syncstream/2.cc: Likewise.
+ * testsuite/27_io/basic_syncstream/basic_ops/1.cc: Likewise.
+ * testsuite/27_io/basic_syncstream/requirements/types.cc:
+ Likewise.
+ * testsuite/27_io/filesystem/iterators/106201.cc: Likewise.
+ * testsuite/27_io/filesystem/iterators/lwg3719.cc: Likewise.
+ * testsuite/27_io/filesystem/path/factory/u8path-depr.cc:
+ Likewise.
+ * testsuite/27_io/filesystem/path/nonmember/cmp_c++20.cc:
+ Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/26_numerics/accumulate/constexpr.cc: Remove
+ dg-options -std=gnu++2a.
+ * testsuite/26_numerics/accumulate/lwg2055.cc: Likewise.
+ * testsuite/26_numerics/adjacent_difference/constexpr.cc:
+ Likewise.
+ * testsuite/26_numerics/bit/bit.cast/105027.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.cast/bit_cast.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.cast/version.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.count/countl_one.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.pow.two/bit_ceil_neg.cc:
+ Likewise.
+ * testsuite/26_numerics/bit/bit.pow.two/bit_floor.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.pow.two/bit_width.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.pow.two/lwg3656.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.rotate/rotl.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.rotate/rotr.cc: Likewise.
+ * testsuite/26_numerics/bit/header-2.cc: Likewise.
+ * testsuite/26_numerics/bit/header.cc: Likewise.
+ * testsuite/26_numerics/complex/1.cc: Likewise.
+ * testsuite/26_numerics/complex/2.cc: Likewise.
+ * testsuite/26_numerics/complex/comparison_operators/more_constexpr.cc:
+ Likewise.
+ * testsuite/26_numerics/complex/operators/more_constexpr.cc:
+ Likewise.
+ * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
+ Likewise.
+ * testsuite/26_numerics/complex/value_operations/more_constexpr.cc:
+ Likewise.
+ * testsuite/26_numerics/endian/1.cc: Likewise.
+ * testsuite/26_numerics/endian/2.cc: Likewise.
+ * testsuite/26_numerics/endian/3.cc: Likewise.
+ * testsuite/26_numerics/exclusive_scan/constexpr.cc: Likewise.
+ * testsuite/26_numerics/inclusive_scan/constexpr.cc: Likewise.
+ * testsuite/26_numerics/inner_product/constexpr.cc: Likewise.
+ * testsuite/26_numerics/inner_product/lwg2055.cc: Likewise.
+ * testsuite/26_numerics/iota/constexpr.cc: Likewise.
+ * testsuite/26_numerics/lerp/1.cc: Likewise.
+ * testsuite/26_numerics/lerp/constexpr.cc: Likewise.
+ * testsuite/26_numerics/lerp/version.cc: Likewise.
+ * testsuite/26_numerics/midpoint/floating.cc: Likewise.
+ * testsuite/26_numerics/midpoint/integral.cc: Likewise.
+ * testsuite/26_numerics/midpoint/pointer.cc: Likewise.
+ * testsuite/26_numerics/midpoint/pointer_neg.cc: Likewise.
+ * testsuite/26_numerics/midpoint/version.cc: Likewise.
+ * testsuite/26_numerics/numbers/1.cc: Likewise.
+ * testsuite/26_numerics/numbers/2.cc: Likewise.
+ * testsuite/26_numerics/numbers/3.cc: Likewise.
+ * testsuite/26_numerics/numbers/float128.cc: Likewise.
+ * testsuite/26_numerics/numbers/nonfloat_neg.cc: Likewise.
+ * testsuite/26_numerics/partial_sum/constexpr.cc: Likewise.
+ * testsuite/26_numerics/partial_sum/lwg2055.cc: Likewise.
+ * testsuite/26_numerics/random/concept.cc: Likewise.
+ * testsuite/26_numerics/reduce/constexpr.cc: Likewise.
+ * testsuite/26_numerics/slice/compare.cc: Likewise.
+ * testsuite/26_numerics/transform_exclusive_scan/constexpr.cc:
+ Likewise.
+ * testsuite/26_numerics/transform_inclusive_scan/constexpr.cc:
+ Likewise.
+ * testsuite/26_numerics/transform_reduce/constexpr.cc: Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/24_iterators/aliases.cc: Remove dg-options
+ -std=gnu++2a.
+ * testsuite/24_iterators/associated_types/incrementable.traits.cc:
+ Likewise.
+ * testsuite/24_iterators/associated_types/iterator.traits.cc:
+ Likewise.
+ * testsuite/24_iterators/associated_types/readable.traits.cc:
+ Likewise.
+ * testsuite/24_iterators/back_insert_iterator/constexpr.cc:
+ Likewise.
+ * testsuite/24_iterators/back_insert_iterator/pr93884.cc:
+ Likewise.
+ * testsuite/24_iterators/bidirectional/concept.cc: Likewise.
+ * testsuite/24_iterators/common_iterator/1.cc: Likewise.
+ * testsuite/24_iterators/common_iterator/100823.cc: Likewise.
+ * testsuite/24_iterators/common_iterator/2.cc: Likewise.
+ * testsuite/24_iterators/contiguous/concept.cc: Likewise.
+ * testsuite/24_iterators/contiguous/tag.cc: Likewise.
+ * testsuite/24_iterators/counted_iterator/1.cc: Likewise.
+ * testsuite/24_iterators/counted_iterator/lwg3389.cc: Likewise.
+ * testsuite/24_iterators/counted_iterator/lwg3643.cc: Likewise.
+ * testsuite/24_iterators/customization_points/92894.cc:
+ Likewise.
+ * testsuite/24_iterators/customization_points/iter_move.cc:
+ Likewise.
+ * testsuite/24_iterators/customization_points/iter_swap.cc:
+ Likewise.
+ * testsuite/24_iterators/customization_points/lwg3420.cc:
+ Likewise.
+ * testsuite/24_iterators/forward/concept.cc: Likewise.
+ * testsuite/24_iterators/front_insert_iterator/constexpr.cc:
+ Likewise.
+ * testsuite/24_iterators/front_insert_iterator/pr93884.cc:
+ Likewise.
+ * testsuite/24_iterators/headers/iterator/synopsis_c++20.cc:
+ Likewise.
+ * testsuite/24_iterators/indirect_callable/92894.cc: Likewise.
+ * testsuite/24_iterators/indirect_callable/projected-adl.cc:
+ Likewise.
+ * testsuite/24_iterators/indirect_callable/projected.cc:
+ Likewise.
+ * testsuite/24_iterators/input/concept.cc: Likewise.
+ * testsuite/24_iterators/insert_iterator/constexpr.cc: Likewise.
+ * testsuite/24_iterators/istream_iterator/cons/sentinel.cc:
+ Likewise.
+ * testsuite/24_iterators/istream_iterator/sentinel.cc: Likewise.
+ * testsuite/24_iterators/istreambuf_iterator/cons/sentinel.cc:
+ Likewise.
+ * testsuite/24_iterators/istreambuf_iterator/sentinel.cc:
+ Likewise.
+ * testsuite/24_iterators/move_iterator/cust.cc: Likewise.
+ * testsuite/24_iterators/move_iterator/dr3435.cc: Likewise.
+ * testsuite/24_iterators/move_iterator/input_iterator.cc:
+ Likewise.
+ * testsuite/24_iterators/move_iterator/lwg3390.cc: Likewise.
+ * testsuite/24_iterators/move_iterator/lwg3391.cc: Likewise.
+ * testsuite/24_iterators/move_iterator/move_only.cc: Likewise.
+ * testsuite/24_iterators/move_iterator/p2520r0.cc: Likewise.
+ * testsuite/24_iterators/move_iterator/rel_ops_c++20.cc:
+ Likewise.
+ * testsuite/24_iterators/move_iterator/sentinel.cc: Likewise.
+ * testsuite/24_iterators/normal_iterator/cmp_c++20.cc: Likewise.
+ * testsuite/24_iterators/output/concept.cc: Likewise.
+ * testsuite/24_iterators/random_access/concept.cc: Likewise.
+ * testsuite/24_iterators/range_access/range_access_cpp20.cc:
+ Likewise.
+ * testsuite/24_iterators/range_access/range_access_cpp20_neg.cc:
+ Likewise.
+ * testsuite/24_iterators/range_operations/100768.cc: Likewise.
+ * testsuite/24_iterators/range_operations/advance.cc: Likewise.
+ * testsuite/24_iterators/range_operations/advance_overflow.cc:
+ Likewise.
+ * testsuite/24_iterators/range_operations/distance.cc: Likewise.
+ * testsuite/24_iterators/range_operations/lwg3392.cc: Likewise.
+ * testsuite/24_iterators/range_operations/next.cc: Likewise.
+ * testsuite/24_iterators/range_operations/prev.cc: Likewise.
+ * testsuite/24_iterators/reverse_iterator/cust.cc: Likewise.
+ * testsuite/24_iterators/reverse_iterator/dr3435.cc: Likewise.
+ * testsuite/24_iterators/reverse_iterator/rel_ops_c++20.cc:
+ Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/23_containers/array/comparison_operators/96851.cc:
+ Remove dg-options -std=gnu++2a.
+ * testsuite/23_containers/array/comparison_operators/constexpr.cc:
+ Likewise.
+ * testsuite/23_containers/array/creation/1.cc: Likewise.
+ * testsuite/23_containers/array/creation/110167.cc: Likewise.
+ * testsuite/23_containers/array/creation/2.cc: Likewise.
+ * testsuite/23_containers/array/creation/3_neg.cc: Likewise.
+ * testsuite/23_containers/array/requirements/constexpr_fill.cc:
+ Likewise.
+ * testsuite/23_containers/array/requirements/constexpr_swap.cc:
+ Likewise.
+ * testsuite/23_containers/deque/48101-3_neg.cc: Likewise.
+ * testsuite/23_containers/deque/erasure.cc: Likewise.
+ * testsuite/23_containers/deque/modifiers/emplace/92878_92947.cc:
+ Likewise.
+ * testsuite/23_containers/deque/operators/cmp_c++20.cc:
+ Likewise.
+ * testsuite/23_containers/forward_list/48101-3_neg.cc: Likewise.
+ * testsuite/23_containers/forward_list/cmp_c++20.cc: Likewise.
+ * testsuite/23_containers/forward_list/erasure.cc: Likewise.
+ * testsuite/23_containers/forward_list/modifiers/92878_92947.cc:
+ Likewise.
+ * testsuite/23_containers/forward_list/operations/remove_cxx20_return.cc:
+ Likewise.
+ * testsuite/23_containers/forward_list/operations/unique_cxx20_return.cc:
+ Likewise.
+ * testsuite/23_containers/list/48101-3_neg.cc: Likewise.
+ * testsuite/23_containers/list/cmp_c++20.cc: Likewise.
+ * testsuite/23_containers/list/erasure.cc: Likewise.
+ * testsuite/23_containers/list/modifiers/emplace/92878_92947.cc:
+ Likewise.
+ * testsuite/23_containers/list/operations/remove_cxx20_return.cc:
+ Likewise.
+ * testsuite/23_containers/list/operations/unique_cxx20_return.cc:
+ Likewise.
+ * testsuite/23_containers/map/48101-3_neg.cc: Likewise.
+ * testsuite/23_containers/map/erasure.cc: Likewise.
+ * testsuite/23_containers/map/modifiers/emplace/92878_92947.cc:
+ Likewise.
+ * testsuite/23_containers/map/operations/contains.cc: Likewise.
+ * testsuite/23_containers/map/operators/cmp_c++20.cc: Likewise.
+ * testsuite/23_containers/multimap/48101-3_neg.cc: Likewise.
+ * testsuite/23_containers/multimap/modifiers/emplace/92878_92947.cc:
+ Likewise.
+ * testsuite/23_containers/multimap/operations/contains.cc:
+ Likewise.
+ * testsuite/23_containers/multimap/operators/cmp_c++20.cc:
+ Likewise.
+ * testsuite/23_containers/multiset/48101-3_neg.cc: Likewise.
+ * testsuite/23_containers/multiset/modifiers/emplace/92878_92947.cc:
+ Likewise.
+ * testsuite/23_containers/multiset/operations/contains.cc:
+ Likewise.
+ * testsuite/23_containers/multiset/operators/cmp_c++20.cc:
+ Likewise.
+ * testsuite/23_containers/priority_queue/92878_92947.cc:
+ Likewise.
+ * testsuite/23_containers/queue/92878_92947.cc: Likewise.
+ * testsuite/23_containers/queue/cmp_c++20.cc: Likewise.
+ * testsuite/23_containers/set/48101-3_neg.cc: Likewise.
+ * testsuite/23_containers/set/erasure.cc: Likewise.
+ * testsuite/23_containers/set/modifiers/emplace/92878_92947.cc:
+ Likewise.
+ * testsuite/23_containers/set/operations/contains.cc: Likewise.
+ * testsuite/23_containers/set/operators/cmp_c++20.cc: Likewise.
+ * testsuite/23_containers/span/1.cc: Likewise.
+ * testsuite/23_containers/span/101411.cc: Likewise.
+ * testsuite/23_containers/span/2.cc: Likewise.
+ * testsuite/23_containers/span/deduction.cc: Likewise.
+ * testsuite/23_containers/span/explicit.cc: Likewise.
+ * testsuite/23_containers/span/layout_compat.cc: Likewise.
+ * testsuite/23_containers/span/lwg3255.cc: Likewise.
+ * testsuite/23_containers/span/nothrow_cons.cc: Likewise.
+ * testsuite/23_containers/span/trivially_copyable.cc: Likewise.
+ * testsuite/23_containers/stack/92878_92947.cc: Likewise.
+ * testsuite/23_containers/stack/cmp_c++20.cc: Likewise.
+ * testsuite/23_containers/unordered_map/48101-3_neg.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
+ * testsuite/23_containers/unordered_map/modifiers/92878_92947.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_map/operations/1.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_map/operations/contains.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_multimap/48101-3_neg.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_multimap/modifiers/92878_92947.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_multimap/operations/1.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_multimap/operations/contains.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_multiset/48101-3_neg.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_multiset/modifiers/92878_92947.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_multiset/operations/1.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_multiset/operations/contains.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_set/48101-3_neg.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
+ * testsuite/23_containers/unordered_set/modifiers/92878_92947.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_set/operations/1.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_set/operations/contains.cc:
+ Likewise.
+ * testsuite/23_containers/vector/48101-3_neg.cc: Likewise.
+ * testsuite/23_containers/vector/bool/capacity/constexpr.cc:
+ Likewise.
+ * testsuite/23_containers/vector/bool/cmp_c++20.cc: Likewise.
+ * testsuite/23_containers/vector/bool/cons/constexpr.cc:
+ Likewise.
+ * testsuite/23_containers/vector/bool/element_access/constexpr.cc:
+ Likewise.
+ * testsuite/23_containers/vector/bool/iterator_c++20.cc:
+ Likewise.
+ * testsuite/23_containers/vector/bool/modifiers/assign/constexpr.cc:
+ Likewise.
+ * testsuite/23_containers/vector/bool/modifiers/constexpr.cc:
+ Likewise.
+ * testsuite/23_containers/vector/bool/modifiers/swap/constexpr.cc:
+ Likewise.
+ * testsuite/23_containers/vector/capacity/constexpr.cc:
+ Likewise.
+ * testsuite/23_containers/vector/cmp_c++20.cc: Likewise.
+ * testsuite/23_containers/vector/cons/constexpr.cc: Likewise.
+ * testsuite/23_containers/vector/data_access/constexpr.cc:
+ Likewise.
+ * testsuite/23_containers/vector/element_access/constexpr.cc:
+ Likewise.
+ * testsuite/23_containers/vector/erasure.cc: Likewise.
+ * testsuite/23_containers/vector/modifiers/assign/constexpr.cc:
+ Likewise.
+ * testsuite/23_containers/vector/modifiers/constexpr.cc:
+ Likewise.
+ * testsuite/23_containers/vector/modifiers/emplace/92878_92947.cc:
+ Likewise.
+ * testsuite/23_containers/vector/modifiers/swap/constexpr.cc:
+ Likewise.
+ * testsuite/23_containers/vector/requirements/version.cc:
+ Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/21_strings/basic_string/cons/char/105995.cc: Remove
+ dg-options -std=gnu++20.
+ * testsuite/21_strings/basic_string/cons/char/constexpr.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/cons/wchar_t/constexpr.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/erasure.cc: Likewise.
+ * testsuite/21_strings/basic_string/hash/hash_char8_t.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/literals/constexpr.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/modifiers/constexpr.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/modifiers/swap/constexpr-wchar_t.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/modifiers/swap/constexpr.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/operations/ends_with/char.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/operations/ends_with/nonnull.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/operations/ends_with/wchar_t.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/operations/starts_with/char.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/operations/starts_with/nonnull.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/operations/starts_with/wchar_t.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/operators/char/cmp_c++20.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/operators/wchar_t/cmp_c++20.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string_view/cons/char/range.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string_view/operations/copy/char/constexpr.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string_view/operations/copy/wchar_t/constexpr.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string_view/operations/ends_with/char.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string_view/operations/ends_with/nonnull.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string_view/operations/ends_with/wchar_t.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string_view/operations/starts_with/char.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string_view/operations/starts_with/nonnull.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string_view/operations/starts_with/wchar_t.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string_view/operators/char/cmp_c++20.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string_view/operators/wchar_t/cmp_c++20.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
+ Likewise.
+ * testsuite/21_strings/char_traits/requirements/constexpr_functions_c++20.cc:
+ Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/20_util/allocator/105975.cc: Remove dg-options
+ -std=gnu++2a.
+ * testsuite/20_util/allocator/rebind_c++20.cc: Likewise.
+ * testsuite/20_util/allocator/requirements/constexpr.cc:
+ Likewise.
+ * testsuite/20_util/allocator/requirements/typedefs_c++20.cc:
+ Likewise.
+ * testsuite/20_util/allocator_traits/header-2.cc: Likewise.
+ * testsuite/20_util/allocator_traits/header.cc: Likewise.
+ * testsuite/20_util/allocator_traits/members/92878_92947.cc:
+ Likewise.
+ * testsuite/20_util/any/assign/92878_92947.cc: Likewise.
+ * testsuite/20_util/any/cons/92878_92947.cc: Likewise.
+ * testsuite/20_util/assume_aligned/1.cc: Likewise.
+ * testsuite/20_util/assume_aligned/2_neg.cc: Likewise.
+ * testsuite/20_util/assume_aligned/3.cc: Likewise.
+ * testsuite/20_util/assume_aligned/97132.cc: Likewise.
+ * testsuite/20_util/bind/constexpr.cc: Likewise.
+ * testsuite/20_util/bitset/operations/96303.cc: Likewise.
+ * testsuite/20_util/common_reference/100894.cc: Likewise.
+ * testsuite/20_util/common_reference/requirements/alias_decl.cc:
+ Likewise.
+ * testsuite/20_util/common_reference/requirements/explicit_instantiation.cc:
+ Likewise.
+ * testsuite/20_util/common_reference/requirements/typedefs.cc:
+ Likewise.
+ * testsuite/20_util/duration/comparison_operators/three_way.cc:
+ Likewise.
+ * testsuite/20_util/exchange/constexpr.cc: Likewise.
+ * testsuite/20_util/exchange/noexcept.cc: Likewise.
+ * testsuite/20_util/from_chars/1_c++20_neg.cc: Likewise.
+ * testsuite/20_util/from_chars/compare.cc: Likewise.
+ * testsuite/20_util/function_objects/bind_front/1.cc: Likewise.
+ * testsuite/20_util/function_objects/bind_front/107784.cc:
+ Likewise.
+ * testsuite/20_util/function_objects/bind_front/111327.cc:
+ Likewise.
+ * testsuite/20_util/function_objects/bind_front/2.cc: Likewise.
+ * testsuite/20_util/function_objects/bind_front/97101.cc:
+ Likewise.
+ * testsuite/20_util/function_objects/bind_front/constexpr.cc:
+ Likewise.
+ * testsuite/20_util/function_objects/constexpr_searcher.cc:
+ Likewise.
+ * testsuite/20_util/function_objects/identity/1.cc: Likewise.
+ * testsuite/20_util/function_objects/invoke/constexpr.cc:
+ Likewise.
+ * testsuite/20_util/function_objects/mem_fn/constexpr.cc:
+ Likewise.
+ * testsuite/20_util/function_objects/not_fn/constexpr.cc:
+ Likewise.
+ * testsuite/20_util/integer_comparisons/1.cc: Likewise.
+ * testsuite/20_util/integer_comparisons/2.cc: Likewise.
+ * testsuite/20_util/integer_comparisons/equal.cc: Likewise.
+ * testsuite/20_util/integer_comparisons/equal_neg.cc: Likewise.
+ * testsuite/20_util/integer_comparisons/greater.cc: Likewise.
+ * testsuite/20_util/integer_comparisons/greater_equal.cc:
+ Likewise.
+ * testsuite/20_util/integer_comparisons/greater_equal_neg.cc:
+ Likewise.
+ * testsuite/20_util/integer_comparisons/greater_neg.cc:
+ Likewise.
+ * testsuite/20_util/integer_comparisons/in_range.cc: Likewise.
+ * testsuite/20_util/integer_comparisons/in_range_neg.cc:
+ Likewise.
+ * testsuite/20_util/integer_comparisons/less.cc: Likewise.
+ * testsuite/20_util/integer_comparisons/less_equal.cc: Likewise.
+ * testsuite/20_util/integer_comparisons/less_equal_neg.cc:
+ Likewise.
+ * testsuite/20_util/integer_comparisons/less_neg.cc: Likewise.
+ * testsuite/20_util/integer_comparisons/not_equal.cc: Likewise.
+ * testsuite/20_util/integer_comparisons/not_equal_neg.cc:
+ Likewise.
+ * testsuite/20_util/is_bounded_array/requirements/explicit_instantiation.cc:
+ Likewise.
+ * testsuite/20_util/is_bounded_array/requirements/typedefs.cc:
+ Likewise.
+ * testsuite/20_util/is_bounded_array/value.cc: Likewise.
+ * testsuite/20_util/is_constant_evaluated/1.cc: Likewise.
+ * testsuite/20_util/is_constant_evaluated/noexcept.cc: Likewise.
+ * testsuite/20_util/is_constructible/92878_92947.cc: Likewise.
+ * testsuite/20_util/is_layout_compatible/is_corresponding_member.cc:
+ Likewise.
+ * testsuite/20_util/is_layout_compatible/value.cc: Likewise.
+ * testsuite/20_util/is_layout_compatible/version.cc: Likewise.
+ * testsuite/20_util/is_nothrow_constructible/value_c++20.cc:
+ Likewise.
+ * testsuite/20_util/is_nothrow_convertible/requirements/explicit_instantiation.cc:
+ Likewise.
+ * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
+ Likewise.
+ * testsuite/20_util/is_nothrow_convertible/value.cc: Likewise.
+ * testsuite/20_util/is_pod/deprecated-2a.cc: Likewise.
+ * testsuite/20_util/is_pointer_interconvertible/value.cc:
+ Likewise.
+ * testsuite/20_util/is_pointer_interconvertible/version.cc:
+ Likewise.
+ * testsuite/20_util/is_pointer_interconvertible/with_class.cc:
+ Likewise.
+ * testsuite/20_util/is_unbounded_array/requirements/explicit_instantiation.cc:
+ Likewise.
+ * testsuite/20_util/is_unbounded_array/requirements/typedefs.cc:
+ Likewise.
+ * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
+ * testsuite/20_util/optional/assignment/92878_92947.cc:
+ Likewise.
+ * testsuite/20_util/optional/cons/92878_92947.cc: Likewise.
+ * testsuite/20_util/optional/constexpr/assign.cc: Likewise.
+ * testsuite/20_util/optional/constexpr/cons/conv.cc: Likewise.
+ * testsuite/20_util/optional/constexpr/modifiers.cc: Likewise.
+ * testsuite/20_util/optional/constexpr/swap.cc: Likewise.
+ * testsuite/20_util/optional/relops/96269.cc: Likewise.
+ * testsuite/20_util/optional/relops/three_way.cc: Likewise.
+ * testsuite/20_util/pair/comparison_operators/constexpr_c++20.cc:
+ Likewise.
+ * testsuite/20_util/pair/cons/92878_92947.cc: Likewise.
+ * testsuite/20_util/pair/constexpr_assign.cc: Likewise.
+ * testsuite/20_util/pair/constexpr_swap.cc: Likewise.
+ * testsuite/20_util/pair/requirements/structural.cc: Likewise.
+ * testsuite/20_util/pointer_traits/pointer_to_constexpr.cc:
+ Likewise.
+ * testsuite/20_util/polymorphic_allocator/allocate_object.cc:
+ Likewise.
+ * testsuite/20_util/polymorphic_allocator/construct_c++2a.cc:
+ Likewise.
+ * testsuite/20_util/polymorphic_allocator/lwg3237.cc: Likewise.
+ * testsuite/20_util/reference_wrapper/constexpr.cc: Likewise.
+ * testsuite/20_util/reference_wrapper/incomplete.cc: Likewise.
+ * testsuite/20_util/remove_cvref/requirements/alias_decl.cc:
+ Likewise.
+ * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
+ Likewise.
+ * testsuite/20_util/remove_cvref/value.cc: Likewise.
+ * testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:
+ Likewise.
+ * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
+ Likewise.
+ * testsuite/20_util/shared_ptr/casts/rval.cc: Likewise.
+ * testsuite/20_util/shared_ptr/comparison/cmp_c++20.cc:
+ Likewise.
+ * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Likewise.
+ * testsuite/20_util/shared_ptr/creation/92878_92947.cc:
+ Likewise.
+ * testsuite/20_util/shared_ptr/creation/array.cc: Likewise.
+ * testsuite/20_util/shared_ptr/creation/overwrite.cc: Likewise.
+ * testsuite/20_util/shared_ptr/creation/version.cc: Likewise.
+ * testsuite/20_util/time_point/4.cc: Likewise.
+ * testsuite/20_util/time_point/comparison_operators/three_way.cc:
+ Likewise.
+ * testsuite/20_util/to_address/1.cc: Likewise.
+ * testsuite/20_util/to_address/1_neg.cc: Likewise.
+ * testsuite/20_util/to_address/debug.cc: Likewise.
+ * testsuite/20_util/to_address/lwg3545.cc: Likewise.
+ * testsuite/20_util/to_chars/compare.cc: Likewise.
+ * testsuite/20_util/tuple/comparison_operators/three_way.cc:
+ Likewise.
+ * testsuite/20_util/tuple/cons/102270.cc: Likewise.
+ * testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc:
+ Likewise.
+ * testsuite/20_util/tuple/constexpr_swap.cc: Likewise.
+ * testsuite/20_util/type_identity/requirements/alias_decl.cc:
+ Likewise.
+ * testsuite/20_util/type_identity/requirements/explicit_instantiation.cc:
+ Likewise.
+ * testsuite/20_util/type_identity/requirements/typedefs.cc:
+ Likewise.
+ * testsuite/20_util/typeindex/comparison_operators_c++20.cc:
+ Likewise.
+ * testsuite/20_util/unique_ptr/comparison/compare_c++20.cc:
+ Likewise.
+ * testsuite/20_util/unique_ptr/creation/92878_92947.cc:
+ Likewise.
+ * testsuite/20_util/unique_ptr/creation/for_overwrite.cc:
+ Likewise.
+ * testsuite/20_util/unique_ptr/creation/for_overwrite__neg.cc:
+ Likewise.
+ * testsuite/20_util/unique_ptr/io/lwg2948.cc: Likewise.
+ * testsuite/20_util/unwrap_reference/1.cc: Likewise.
+ * testsuite/20_util/unwrap_reference/2.cc: Likewise.
+ * testsuite/20_util/unwrap_reference/3.cc: Likewise.
+ * testsuite/20_util/uses_allocator/92878_92947.cc: Likewise.
+ * testsuite/20_util/uses_allocator/lwg3527.cc: Likewise.
+ * testsuite/20_util/uses_allocator/make_obj.cc: Likewise.
+ * testsuite/20_util/uses_allocator/uninitialized_construct.cc:
+ Likewise.
+ * testsuite/20_util/variant/92878_92947.cc: Likewise.
+ * testsuite/20_util/variant/95915.cc: Likewise.
+ * testsuite/20_util/variant/constexpr.cc: Likewise.
+ * testsuite/20_util/variant/relops/three_way.cc: Likewise.
+ * testsuite/20_util/variant/visit_neg.cc: Likewise.
+ * testsuite/20_util/variant/visit_r.cc: Likewise.
+ * testsuite/20_util/weak_ptr/atomic_weak_ptr.cc: Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/18_support/comparisons/algorithms/fallback.cc:
+ Remove dg-options -std=gnu++2a.
+ * testsuite/18_support/comparisons/algorithms/partial_order.cc:
+ Likewise.
+ * testsuite/18_support/comparisons/algorithms/strong_order.cc:
+ Likewise.
+ * testsuite/18_support/comparisons/algorithms/strong_order_floats.cc:
+ Likewise.
+ * testsuite/18_support/comparisons/algorithms/weak_order.cc:
+ Likewise.
+ * testsuite/18_support/comparisons/categories/94565.cc:
+ Likewise.
+ * testsuite/18_support/comparisons/categories/partialord.cc:
+ Likewise.
+ * testsuite/18_support/comparisons/categories/strongord.cc:
+ Likewise.
+ * testsuite/18_support/comparisons/categories/weakord.cc:
+ Likewise.
+ * testsuite/18_support/comparisons/categories/zero_neg.cc:
+ Likewise.
+ * testsuite/18_support/comparisons/common/1.cc: Likewise.
+ * testsuite/18_support/comparisons/object/93479.cc: Likewise.
+ * testsuite/18_support/comparisons/object/lwg3530.cc: Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/29_atomics/atomic/compare_exchange_padding.cc:
+ Remove dg-options -std=gnu++2a.
+ * testsuite/29_atomics/atomic/cons/value_init.cc: Likewise.
+ * testsuite/29_atomics/atomic/lock_free_aliases.cc: Likewise.
+ * testsuite/29_atomics/atomic/requirements/types_neg.cc:
+ Likewise.
+ * testsuite/29_atomics/atomic/wait_notify/1.cc: Likewise.
+ * testsuite/29_atomics/atomic/wait_notify/100334.cc: Likewise.
+ * testsuite/29_atomics/atomic/wait_notify/102994.cc: Likewise.
+ * testsuite/29_atomics/atomic/wait_notify/2.cc: Likewise.
+ * testsuite/29_atomics/atomic/wait_notify/bool.cc: Likewise.
+ * testsuite/29_atomics/atomic/wait_notify/generic.cc: Likewise.
+ * testsuite/29_atomics/atomic/wait_notify/pointers.cc: Likewise.
+ * testsuite/29_atomics/atomic_flag/cons/value_init.cc: Likewise.
+ * testsuite/29_atomics/atomic_flag/test/explicit.cc: Likewise.
+ * testsuite/29_atomics/atomic_flag/test/implicit.cc: Likewise.
+ * testsuite/29_atomics/atomic_flag/wait_notify/1.cc: Likewise.
+ * testsuite/29_atomics/atomic_float/1.cc: Likewise.
+ * testsuite/29_atomics/atomic_float/95282.cc: Likewise.
+ * testsuite/29_atomics/atomic_float/requirements.cc: Likewise.
+ * testsuite/29_atomics/atomic_float/value_init.cc: Likewise.
+ * testsuite/29_atomics/atomic_float/wait_notify.cc: Likewise.
+ * testsuite/29_atomics/atomic_integral/cons/value_init.cc:
+ Likewise.
+ * testsuite/29_atomics/atomic_integral/wait_notify.cc: Likewise.
+ * testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc:
+ Likewise.
+ * testsuite/29_atomics/atomic_ref/deduction.cc: Likewise.
+ * testsuite/29_atomics/atomic_ref/float.cc: Likewise.
+ * testsuite/29_atomics/atomic_ref/generic.cc: Likewise.
+ * testsuite/29_atomics/atomic_ref/integral.cc: Likewise.
+ * testsuite/29_atomics/atomic_ref/pointer.cc: Likewise.
+ * testsuite/29_atomics/atomic_ref/requirements.cc: Likewise.
+ * testsuite/29_atomics/headers/atomic/types_std_c++20.cc:
+ Likewise.
+ * testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc:
+ Likewise.
+ * testsuite/29_atomics/headers/atomic/types_std_c++2a.cc:
+ Likewise.
+ * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc:
+ Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/27_io/basic_filebuf/native_handle/char/1.cc: New test.
+ * testsuite/27_io/basic_filebuf/native_handle/wchar_t/1.cc: New test.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * acinclude.m4 (GLIBCXX_CHECK_FILEBUF_NATIVE_HANDLES): New
+ macro.
+ * config.h.in: Regenerate.
+ * config/abi/pre/gnu.ver (GLIBCXX_3.4.32): Export new
+ basic_filebuf members.
+ * config/io/basic_file_stdio.cc (__basic_file::native_handle):
+ Define new function.
+ * config/io/basic_file_stdio.h (__basic_file::native_handle):
+ Declare new function.
+ * configure: Regenerate.
+ * configure.ac: Use GLIBCXX_CHECK_FILEBUF_NATIVE_HANDLES.
+ * include/bits/version.def (fstream_native_handles): New macro.
+ * include/bits/version.h: Regenerate.
+ * include/std/fstream (basic_filebuf::native_handle)
+ (basic_fstream::native_handle, basic_ifstream::native_handle)
+ (basic_ofstream::native_handle): New functions.
+ * src/c++11/Makefile.am: Move compilation of basic_file.cc,
+ locale_init.cc and localename.cc to here.
+ * src/c++11/Makefile.in: Regenerate.
+ * src/c++98/locale_init.cc: Moved to...
+ * src/c++11/locale_init.cc: ...here.
+ * src/c++98/localename.cc: Moved to...
+ * src/c++11/localename.cc: ...here.
+ * src/c++98/Makefile.am: Remove basic_file.cc, locale_init.cc
+ and localename.cc from here.
+ * src/c++98/Makefile.in: Regenerate.
+ * testsuite/27_io/basic_filebuf/native_handle/version.cc: New test.
+ * testsuite/27_io/basic_fstream/native_handle/char/1.cc: New test.
+ * testsuite/27_io/basic_fstream/native_handle/wchar_t/1.cc: New test.
+ * testsuite/27_io/basic_ifstream/native_handle/char/1.cc: New test.
+ * testsuite/27_io/basic_ifstream/native_handle/wchar_t/1.cc: New test.
+ * testsuite/27_io/basic_ofstream/native_handle/char/1.cc: New test.
+ * testsuite/27_io/basic_ofstream/native_handle/wchar_t/1.cc: New test.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/libstdc++-dg/conformance.exp: Add log line when
+ using testsuite_files.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/20_util/shared_ptr/atomic/3.cc: Simplify dg
+ directives.
+ * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
+ Likewise.
+ * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc:
+ Likewise.
+ * testsuite/20_util/synchronized_pool_resource/allocate.cc:
+ Likewise.
+ * testsuite/20_util/synchronized_pool_resource/allocate_single.cc:
+ Likewise.
+ * testsuite/20_util/synchronized_pool_resource/cons.cc:
+ Likewise.
+ * testsuite/20_util/synchronized_pool_resource/cons_single.cc:
+ Likewise.
+ * testsuite/20_util/synchronized_pool_resource/is_equal.cc:
+ Likewise.
+ * testsuite/20_util/synchronized_pool_resource/multithreaded.cc:
+ Likewise.
+ * testsuite/20_util/synchronized_pool_resource/options.cc:
+ Likewise.
+ * testsuite/20_util/synchronized_pool_resource/release.cc:
+ Likewise.
+ * testsuite/20_util/synchronized_pool_resource/release_single.cc:
+ Likewise.
+ * testsuite/30_threads/condition_variable_any/stop_token/wait_on.cc:
+ Likewise.
+ * testsuite/30_threads/stop_token/stop_callback/deadlock-mt.cc:
+ Likewise.
+ * testsuite/30_threads/stop_token/stop_callback/destroy.cc:
+ Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/23_containers/span/back_assert_neg.cc: Remove
+ dg-options and add effective target selector to dg-do. Add
+ no_pch.
+ * testsuite/23_containers/span/back_neg.cc: Likewise.
+ * testsuite/23_containers/span/cons_1_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/cons_2_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/first_2_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/first_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/first_neg.cc: Likewise.
+ * testsuite/23_containers/span/front_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/front_neg.cc: Likewise.
+ * testsuite/23_containers/span/index_op_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/index_op_neg.cc: Likewise.
+ * testsuite/23_containers/span/last_2_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/last_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/last_neg.cc: Likewise.
+ * testsuite/23_containers/span/subspan_2_assert_neg.cc:
+ Likewise.
+ * testsuite/23_containers/span/subspan_3_assert_neg.cc:
+ Likewise.
+ * testsuite/23_containers/span/subspan_4_assert_neg.cc:
+ Likewise.
+ * testsuite/23_containers/span/subspan_5_assert_neg.cc:
+ Likewise.
+ * testsuite/23_containers/span/subspan_6_assert_neg.cc:
+ Likewise.
+ * testsuite/23_containers/span/subspan_assert_neg.cc: Likewise.
+ * testsuite/23_containers/span/subspan_neg.cc: Likewise.
+ * testsuite/24_iterators/range_operations/advance_debug_neg.cc:
+ Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/18_support/headers/limits/synopsis_cxx23.cc: Remove
+ dg-options.
+ * testsuite/18_support/headers/stdfloat/types_std.cc: Likewise.
+ * testsuite/18_support/type_info/constexpr.cc: Likewise.
+ * testsuite/19_diagnostics/stacktrace/current.cc: Likewise.
+ * testsuite/19_diagnostics/stacktrace/entry.cc: Likewise.
+ * testsuite/19_diagnostics/stacktrace/stacktrace.cc: Likewise.
+ * testsuite/19_diagnostics/stacktrace/synopsis.cc: Likewise.
+ * testsuite/19_diagnostics/stacktrace/version.cc: Likewise.
+ * testsuite/20_util/aligned_storage/deprecated-2b.cc: Likewise.
+ * testsuite/20_util/aligned_union/deprecated-2b.cc: Likewise.
+ * testsuite/20_util/bitset/access/constexpr.cc: Likewise.
+ * testsuite/20_util/bitset/cons/constexpr_c++23.cc: Likewise.
+ * testsuite/20_util/bitset/count/constexpr.cc: Likewise.
+ * testsuite/20_util/bitset/ext/constexpr.cc: Likewise.
+ * testsuite/20_util/bitset/operations/constexpr_c++23.cc:
+ Likewise.
+ * testsuite/20_util/bitset/version.cc: Likewise.
+ * testsuite/20_util/from_chars/8.cc: Likewise.
+ * testsuite/20_util/from_chars/constexpr.cc: Likewise.
+ * testsuite/20_util/function/cons/deduction_c++23.cc: Likewise.
+ * testsuite/20_util/function_objects/invoke/4.cc: Likewise.
+ * testsuite/20_util/function_objects/invoke/dangling_ref.cc:
+ Likewise.
+ * testsuite/20_util/is_scoped_enum/value.cc: Likewise.
+ * testsuite/20_util/is_scoped_enum/version.cc: Likewise.
+ * testsuite/20_util/move_only_function/call.cc: Likewise.
+ * testsuite/20_util/move_only_function/cons.cc: Likewise.
+ * testsuite/20_util/move_only_function/move.cc: Likewise.
+ * testsuite/20_util/move_only_function/version.cc: Likewise.
+ * testsuite/20_util/optional/monadic/and_then.cc: Likewise.
+ * testsuite/20_util/optional/monadic/or_else.cc: Likewise.
+ * testsuite/20_util/optional/monadic/or_else_neg.cc: Likewise.
+ * testsuite/20_util/optional/monadic/pr109242.cc: Likewise.
+ * testsuite/20_util/optional/monadic/transform.cc: Likewise.
+ * testsuite/20_util/pair/p2321r2.cc: Likewise.
+ * testsuite/20_util/reference_from_temporary/value.cc: Likewise.
+ * testsuite/20_util/reference_from_temporary/value2.cc:
+ Likewise.
+ * testsuite/20_util/reference_from_temporary/version.cc:
+ Likewise.
+ * testsuite/20_util/to_chars/constexpr.cc: Likewise.
+ * testsuite/20_util/to_chars/float128_c++23.cc: Likewise.
+ * testsuite/20_util/to_chars/float16_c++23.cc: Likewise.
+ * testsuite/20_util/to_chars/version.cc: Likewise.
+ * testsuite/20_util/to_underlying/1.cc: Likewise.
+ * testsuite/20_util/to_underlying/version.cc: Likewise.
+ * testsuite/20_util/tuple/p2321r2.cc: Likewise.
+ * testsuite/20_util/unique_ptr/assign/constexpr.cc: Likewise.
+ * testsuite/20_util/unique_ptr/comparison/constexpr.cc:
+ Likewise.
+ * testsuite/20_util/unique_ptr/cons/constexpr_c++20.cc:
+ Likewise.
+ * testsuite/20_util/unique_ptr/creation/constexpr.cc: Likewise.
+ * testsuite/20_util/unique_ptr/modifiers/constexpr.cc: Likewise.
+ * testsuite/20_util/unique_ptr/specialized_algorithms/constexpr.cc: Likewise.
+ * testsuite/20_util/unreachable/1.cc: Likewise.
+ * testsuite/20_util/unreachable/version.cc: Likewise.
+ * testsuite/20_util/uses_allocator/lwg3677.cc: Likewise.
+ * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc: Likewise.
+ * testsuite/21_strings/basic_string/operations/contains/char.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/operations/contains/nonnull.cc: Likewise.
+ * testsuite/21_strings/basic_string/operations/contains/wchar_t.cc: Likewise.
+ * testsuite/21_strings/basic_string_view/cons/char/range_c++20.cc: Likewise.
+ * testsuite/21_strings/basic_string_view/cons/wchar_t/range_c++20.cc: Likewise.
+ * testsuite/21_strings/basic_string_view/operations/contains/char.cc: Likewise.
+ * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc: Likewise.
+ * testsuite/21_strings/basic_string_view/operations/contains/nonnull.cc: Likewise.
+ * testsuite/21_strings/basic_string_view/operations/contains/wchar_t.cc: Likewise.
+ * testsuite/23_containers/queue/cons_from_iters.cc: Likewise.
+ * testsuite/23_containers/stack/cons_from_iters.cc: Likewise.
+ * testsuite/23_containers/vector/bool/element_access/1.cc:
+ Likewise.
+ * testsuite/24_iterators/const_iterator/1.cc: Likewise.
+ * testsuite/25_algorithms/contains/1.cc: Likewise.
+ * testsuite/25_algorithms/contains_subrange/1.cc: Likewise.
+ * testsuite/25_algorithms/find_last/1.cc: Likewise.
+ * testsuite/25_algorithms/find_last_if/1.cc: Likewise.
+ * testsuite/25_algorithms/find_last_if_not/1.cc: Likewise.
+ * testsuite/25_algorithms/fold_left/1.cc: Likewise.
+ * testsuite/25_algorithms/fold_right/1.cc: Likewise.
+ * testsuite/25_algorithms/iota/1.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.byteswap/byteswap.cc: Likewise.
+ * testsuite/26_numerics/bit/bit.byteswap/version.cc: Likewise.
+ * testsuite/26_numerics/complex/ext_c++23.cc: Likewise.
+ * testsuite/26_numerics/headers/cmath/c99_classification_macros_c++23.cc: Likewise.
+ * testsuite/26_numerics/headers/cmath/constexpr_std_c++23.cc:
+ Likewise.
+ * testsuite/26_numerics/headers/cmath/functions_std_c++23.cc:
+ Likewise.
+ * testsuite/26_numerics/headers/cmath/nextafter_c++23.cc:
+ Likewise.
+ * testsuite/26_numerics/numbers/4.cc: Likewise.
+ * testsuite/27_io/basic_ostream/inserters_other/char/volatile_ptr.cc: Likewise.
+ * testsuite/27_io/filesystem/path/native/conv_c++23.cc:
+ Likewise.
+ * testsuite/27_io/spanstream/1.cc: Likewise.
+ * testsuite/27_io/spanstream/2.cc: Likewise.
+ * testsuite/27_io/spanstream/version.cc: Likewise.
+ * testsuite/29_atomics/atomic_float/requirements_cxx23.cc:
+ Likewise.
+ * testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
+ Likewise.
+ * testsuite/29_atomics/headers/stdatomic.h/version.cc: Likewise.
+ * testsuite/30_threads/packaged_task/cons/deduction_c++23.cc:
+ Likewise.
+ * testsuite/experimental/filesystem/path/native/conv_c++23.cc:
+ Likewise.
+ * testsuite/std/ranges/adaptors/adjacent/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/adjacent_transform/1.cc:
+ Likewise.
+ * testsuite/std/ranges/adaptors/as_const/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/chunk/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/chunk_by/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/enumerate/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/join_with/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/lwg3715.cc: Likewise.
+ * testsuite/std/ranges/adaptors/slide/1.cc: Likewise.
+ * testsuite/std/ranges/adaptors/stride/1.cc: Likewise.
+ * testsuite/std/ranges/cartesian_product/1.cc: Likewise.
+ * testsuite/std/ranges/range_adaptor_closure.cc: Likewise.
+ * testsuite/std/ranges/repeat/1.cc: Likewise.
+ * testsuite/std/ranges/version_c++23.cc: Likewise.
+ * testsuite/std/ranges/zip/1.cc: Likewise.
+ * testsuite/std/ranges/zip_transform/1.cc: Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/20_util/expected/assign.cc: Remove dg-options.
+ * testsuite/20_util/expected/bad.cc: Likewise.
+ * testsuite/20_util/expected/cons.cc: Likewise.
+ * testsuite/20_util/expected/equality.cc: Likewise.
+ * testsuite/20_util/expected/illformed_neg.cc: Likewise.
+ * testsuite/20_util/expected/lwg3877.cc: Likewise.
+ * testsuite/20_util/expected/lwg3938.cc: Likewise.
+ * testsuite/20_util/expected/monadic.cc: Likewise.
+ * testsuite/20_util/expected/observers.cc: Likewise.
+ * testsuite/20_util/expected/requirements.cc: Likewise.
+ * testsuite/20_util/expected/swap.cc: Likewise.
+ * testsuite/20_util/expected/synopsis.cc: Likewise.
+ * testsuite/20_util/expected/unexpected.cc: Likewise.
+ * testsuite/20_util/expected/version.cc: Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/20_util/duration/arithmetic/overflow_c++20.cc:
+ Remove dg-options.
+ * testsuite/20_util/duration/io.cc: Likewise.
+ * testsuite/std/time/clock/file/io.cc: Likewise.
+ * testsuite/std/time/clock/file/members.cc: Likewise.
+ * testsuite/std/time/clock/file/overview.cc: Likewise.
+ * testsuite/std/time/clock/gps/1.cc: Likewise.
+ * testsuite/std/time/clock/gps/io.cc: Likewise.
+ * testsuite/std/time/clock/local/io.cc: Likewise.
+ * testsuite/std/time/clock/system/io.cc: Likewise.
+ * testsuite/std/time/clock/tai/1.cc: Likewise.
+ * testsuite/std/time/clock/tai/io.cc: Likewise.
+ * testsuite/std/time/clock/utc/1.cc: Likewise.
+ * testsuite/std/time/clock/utc/io.cc: Likewise.
+ * testsuite/std/time/clock/utc/leap_second_info.cc: Likewise.
+ * testsuite/std/time/day/1.cc: Likewise.
+ * testsuite/std/time/day/io.cc: Likewise.
+ * testsuite/std/time/exceptions.cc: Likewise.
+ * testsuite/std/time/format.cc: Likewise.
+ * testsuite/std/time/hh_mm_ss/1.cc: Likewise.
+ * testsuite/std/time/hh_mm_ss/109772.cc: Likewise.
+ * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
+ * testsuite/std/time/is_am/1.cc: Likewise.
+ * testsuite/std/time/is_pm/1.cc: Likewise.
+ * testsuite/std/time/make12/1.cc: Likewise.
+ * testsuite/std/time/make24/1.cc: Likewise.
+ * testsuite/std/time/month/1.cc: Likewise.
+ * testsuite/std/time/month/io.cc: Likewise.
+ * testsuite/std/time/month_day/1.cc: Likewise.
+ * testsuite/std/time/month_day/io.cc: Likewise.
+ * testsuite/std/time/month_day_last/1.cc: Likewise.
+ * testsuite/std/time/month_day_last/io.cc: Likewise.
+ * testsuite/std/time/month_weekday/1.cc: Likewise.
+ * testsuite/std/time/month_weekday/io.cc: Likewise.
+ * testsuite/std/time/month_weekday_last/1.cc: Likewise.
+ * testsuite/std/time/month_weekday_last/io.cc: Likewise.
+ * testsuite/std/time/parse.cc: Likewise.
+ * testsuite/std/time/syn_c++20.cc: Likewise.
+ * testsuite/std/time/time_zone/get_info_local.cc: Likewise.
+ * testsuite/std/time/time_zone/get_info_sys.cc: Likewise.
+ * testsuite/std/time/time_zone/requirements.cc: Likewise.
+ * testsuite/std/time/traits/is_clock.cc: Likewise.
+ * testsuite/std/time/tzdb/1.cc: Likewise.
+ * testsuite/std/time/tzdb/leap_seconds.cc: Likewise.
+ * testsuite/std/time/tzdb_list/1.cc: Likewise.
+ * testsuite/std/time/tzdb_list/requirements.cc: Likewise.
+ * testsuite/std/time/weekday/1.cc: Likewise.
+ * testsuite/std/time/weekday/io.cc: Likewise.
+ * testsuite/std/time/weekday_indexed/io.cc: Likewise.
+ * testsuite/std/time/weekday_last/1.cc: Likewise.
+ * testsuite/std/time/weekday_last/io.cc: Likewise.
+ * testsuite/std/time/year/1.cc: Likewise.
+ * testsuite/std/time/year/2.cc: Likewise.
+ * testsuite/std/time/year/io.cc: Likewise.
+ * testsuite/std/time/weekday_indexed/1.cc: Likewise.
+ * testsuite/std/time/year_month/1.cc: Likewise.
+ * testsuite/std/time/year_month/2.cc: Likewise.
+ * testsuite/std/time/year_month/io.cc: Likewise.
+ * testsuite/std/time/year_month_day/1.cc: Likewise.
+ * testsuite/std/time/year_month_day/2.cc: Likewise.
+ * testsuite/std/time/year_month_day/3.cc: Likewise.
+ * testsuite/std/time/year_month_day/4.cc: Likewise.
+ * testsuite/std/time/year_month_day/io.cc: Likewise.
+ * testsuite/std/time/year_month_day_last/1.cc: Likewise.
+ * testsuite/std/time/year_month_day_last/2.cc: Likewise.
+ * testsuite/std/time/year_month_day_last/io.cc: Likewise.
+ * testsuite/std/time/year_month_weekday/1.cc: Likewise.
+ * testsuite/std/time/year_month_weekday/2.cc: Likewise.
+ * testsuite/std/time/year_month_weekday/3.cc: Likewise.
+ * testsuite/std/time/year_month_weekday/io.cc: Likewise.
+ * testsuite/std/time/year_month_weekday_last/1.cc: Likewise.
+ * testsuite/std/time/year_month_weekday_last/2.cc: Likewise.
+ * testsuite/std/time/year_month_weekday_last/io.cc: Likewise.
+ * testsuite/std/time/zoned_time/1.cc: Likewise.
+ * testsuite/std/time/zoned_time/custom.cc: Likewise.
+ * testsuite/std/time/zoned_time/deduction.cc: Likewise.
+ * testsuite/std/time/zoned_time/io.cc: Likewise.
+ * testsuite/std/time/zoned_time/req_neg.cc: Likewise.
+ * testsuite/std/time/zoned_time/requirements.cc: Likewise.
+ * testsuite/std/time/zoned_traits.cc: Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/std/format/arguments/args.cc: Remove dg-options.
+ * testsuite/std/format/arguments/lwg3810.cc: Likewise.
+ * testsuite/std/format/error.cc: Likewise.
+ * testsuite/std/format/format_string.cc: Likewise.
+ * testsuite/std/format/formatter/concept.cc: Likewise.
+ * testsuite/std/format/formatter/ext_float.cc: Likewise.
+ * testsuite/std/format/formatter/requirements.cc: Likewise.
+ * testsuite/std/format/functions/107871.cc: Likewise.
+ * testsuite/std/format/functions/format.cc: Likewise.
+ * testsuite/std/format/functions/format_to.cc: Likewise.
+ * testsuite/std/format/functions/format_to_n.cc: Likewise.
+ * testsuite/std/format/functions/size.cc: Likewise.
+ * testsuite/std/format/functions/vformat_to.cc: Likewise.
+ * testsuite/std/format/parse_ctx.cc: Likewise.
+ * testsuite/std/format/string.cc: Likewise.
+ * testsuite/std/format/string_neg.cc: Likewise.
+ * testsuite/std/format/functions/format_c++23.cc: Removed.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/20_util/function_objects/range.cmp/equal_to.cc:
+ Remove dg-options.
+ * testsuite/20_util/function_objects/range.cmp/greater.cc:
+ Likewise.
+ * testsuite/20_util/function_objects/range.cmp/greater_equal.cc:
+ Likewise.
+ * testsuite/20_util/function_objects/range.cmp/less.cc:
+ Likewise.
+ * testsuite/20_util/function_objects/range.cmp/less_equal.cc:
+ Likewise.
+ * testsuite/20_util/function_objects/range.cmp/lwg3530.cc:
+ Likewise.
+ * testsuite/20_util/function_objects/range.cmp/not_equal_to.cc:
+ Likewise.
+ * testsuite/20_util/specialized_algorithms/construct_at/1.cc:
+ Likewise.
+ * testsuite/20_util/specialized_algorithms/construct_at/92878_92947.cc:
+ Likewise.
+ * testsuite/20_util/specialized_algorithms/construct_at/95788.cc:
+ Likewise.
+ * testsuite/20_util/specialized_algorithms/destroy/constrained.cc:
+ Likewise.
+ * testsuite/20_util/specialized_algorithms/uninitialized_copy/constrained.cc:
+ Likewise.
+ * testsuite/20_util/specialized_algorithms/uninitialized_default_construct/constrained.cc:
+ Likewise.
+ * testsuite/20_util/specialized_algorithms/uninitialized_fill/94017.cc:
+ Likewise.
+ * testsuite/20_util/specialized_algorithms/uninitialized_fill/constrained.cc:
+ Likewise.
+ * testsuite/20_util/specialized_algorithms/uninitialized_fill_n/94017.cc:
+ Likewise.
+ * testsuite/20_util/specialized_algorithms/uninitialized_move/constrained.cc:
+ Likewise.
+ * testsuite/20_util/specialized_algorithms/uninitialized_value_construct/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/adjacent_find/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/adjacent_find/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/all_of/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/all_of/constrained.cc: Likewise.
+ * testsuite/25_algorithms/any_of/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/any_of/constrained.cc: Likewise.
+ * testsuite/25_algorithms/binary_search/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/binary_search/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/clamp/constrained.cc: Likewise.
+ * testsuite/25_algorithms/constexpr_macro.cc: Likewise.
+ * testsuite/25_algorithms/copy/95578.cc: Likewise.
+ * testsuite/25_algorithms/copy/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/copy/constrained.cc: Likewise.
+ * testsuite/25_algorithms/copy/debug/constexpr_neg.cc: Likewise.
+ * testsuite/25_algorithms/copy_backward/95578.cc: Likewise.
+ * testsuite/25_algorithms/copy_backward/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/copy_backward/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/copy_backward/debug/constexpr_neg.cc:
+ Likewise.
+ * testsuite/25_algorithms/copy_if/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/copy_if/constrained.cc: Likewise.
+ * testsuite/25_algorithms/copy_n/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/copy_n/constrained.cc: Likewise.
+ * testsuite/25_algorithms/count/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/count/constrained.cc: Likewise.
+ * testsuite/25_algorithms/count_if/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/count_if/constrained.cc: Likewise.
+ * testsuite/25_algorithms/cpp_lib_constexpr.cc: Likewise.
+ * testsuite/25_algorithms/equal/95578.cc: Likewise.
+ * testsuite/25_algorithms/equal/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/equal/constexpr_neg.cc: Likewise.
+ * testsuite/25_algorithms/equal/constrained.cc: Likewise.
+ * testsuite/25_algorithms/equal/debug/constexpr_neg.cc:
+ Likewise.
+ * testsuite/25_algorithms/equal_range/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/equal_range/constrained.cc: Likewise.
+ * testsuite/25_algorithms/fill/94017.cc: Likewise.
+ * testsuite/25_algorithms/fill/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/fill/constrained.cc: Likewise.
+ * testsuite/25_algorithms/fill_n/94017.cc: Likewise.
+ * testsuite/25_algorithms/fill_n/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/fill_n/constrained.cc: Likewise.
+ * testsuite/25_algorithms/find/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/find/constrained.cc: Likewise.
+ * testsuite/25_algorithms/find_end/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/find_end/constrained.cc: Likewise.
+ * testsuite/25_algorithms/find_first_of/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/find_first_of/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/find_if/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/find_if/constrained.cc: Likewise.
+ * testsuite/25_algorithms/find_if_not/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/find_if_not/constrained.cc: Likewise.
+ * testsuite/25_algorithms/for_each/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/for_each/constrained.cc: Likewise.
+ * testsuite/25_algorithms/generate/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/generate/constrained.cc: Likewise.
+ * testsuite/25_algorithms/generate_n/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/generate_n/constrained.cc: Likewise.
+ * testsuite/25_algorithms/heap/constrained.cc: Likewise.
+ * testsuite/25_algorithms/includes/constrained.cc: Likewise.
+ * testsuite/25_algorithms/inplace_merge/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/is_heap/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/is_heap_until/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/is_partitioned/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/is_partitioned/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/is_permutation/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/is_permutation/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/is_sorted/constrained.cc: Likewise.
+ * testsuite/25_algorithms/is_sorted_until/constexpr.cc:
+ Likewise.
+ * testsuite/25_algorithms/is_sorted_until/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/iter_swap/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/lexicographical_compare/93972.cc:
+ Likewise.
+ * testsuite/25_algorithms/lexicographical_compare/95578.cc:
+ Likewise.
+ * testsuite/25_algorithms/lexicographical_compare/constexpr.cc:
+ Likewise.
+ * testsuite/25_algorithms/lexicographical_compare/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/lexicographical_compare_three_way/1.cc:
+ Likewise.
+ * testsuite/25_algorithms/lexicographical_compare_three_way/constexpr.cc:
+ Likewise.
+ * testsuite/25_algorithms/lower_bound/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/lower_bound/constrained.cc: Likewise.
+ * testsuite/25_algorithms/lower_bound/debug/constexpr_partitioned_neg.cc:
+ Likewise.
+ * testsuite/25_algorithms/lower_bound/debug/constexpr_partitioned_pred_neg.cc:
+ Likewise.
+ * testsuite/25_algorithms/lower_bound/debug/constexpr_valid_range_neg.cc:
+ Likewise.
+ * testsuite/25_algorithms/make_heap/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/max/constrained.cc: Likewise.
+ * testsuite/25_algorithms/max_element/constrained.cc: Likewise.
+ * testsuite/25_algorithms/merge/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/merge/constrained.cc: Likewise.
+ * testsuite/25_algorithms/min/constrained.cc: Likewise.
+ * testsuite/25_algorithms/min_element/constrained.cc: Likewise.
+ * testsuite/25_algorithms/minmax/constrained.cc: Likewise.
+ * testsuite/25_algorithms/minmax_element/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/mismatch/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/mismatch/constrained.cc: Likewise.
+ * testsuite/25_algorithms/move/93872.cc: Likewise.
+ * testsuite/25_algorithms/move/95578.cc: Likewise.
+ * testsuite/25_algorithms/move/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/move/constrained.cc: Likewise.
+ * testsuite/25_algorithms/move_backward/93872.cc: Likewise.
+ * testsuite/25_algorithms/move_backward/95578.cc: Likewise.
+ * testsuite/25_algorithms/move_backward/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/next_permutation/constexpr.cc:
+ Likewise.
+ * testsuite/25_algorithms/next_permutation/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/none_of/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/none_of/constrained.cc: Likewise.
+ * testsuite/25_algorithms/nth_element/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/nth_element/constrained.cc: Likewise.
+ * testsuite/25_algorithms/partial_sort/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/partial_sort/constrained.cc: Likewise.
+ * testsuite/25_algorithms/partial_sort_copy/constexpr.cc:
+ Likewise.
+ * testsuite/25_algorithms/partial_sort_copy/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/partition/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/partition/constrained.cc: Likewise.
+ * testsuite/25_algorithms/partition_copy/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/partition_copy/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/partition_point/constexpr.cc:
+ Likewise.
+ * testsuite/25_algorithms/partition_point/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/pop_heap/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/prev_permutation/constexpr.cc:
+ Likewise.
+ * testsuite/25_algorithms/prev_permutation/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/push_heap/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/remove/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/remove/constrained.cc: Likewise.
+ * testsuite/25_algorithms/remove_copy/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/remove_copy/constrained.cc: Likewise.
+ * testsuite/25_algorithms/remove_copy_if/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/remove_copy_if/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/remove_if/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/remove_if/constrained.cc: Likewise.
+ * testsuite/25_algorithms/replace/constrained.cc: Likewise.
+ * testsuite/25_algorithms/replace_copy/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/replace_copy/constrained.cc: Likewise.
+ * testsuite/25_algorithms/replace_copy_if/constexpr.cc:
+ Likewise.
+ * testsuite/25_algorithms/replace_copy_if/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/replace_if/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/replace_if/constrained.cc: Likewise.
+ * testsuite/25_algorithms/reverse/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/reverse/constrained.cc: Likewise.
+ * testsuite/25_algorithms/reverse_copy/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/reverse_copy/constrained.cc: Likewise.
+ * testsuite/25_algorithms/rotate/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/rotate/constrained.cc: Likewise.
+ * testsuite/25_algorithms/rotate_copy/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/rotate_copy/constrained.cc: Likewise.
+ * testsuite/25_algorithms/sample/constrained.cc: Likewise.
+ * testsuite/25_algorithms/search/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/search/constrained.cc: Likewise.
+ * testsuite/25_algorithms/search_n/97828.cc: Likewise.
+ * testsuite/25_algorithms/search_n/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/search_n/constrained.cc: Likewise.
+ * testsuite/25_algorithms/set_difference/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/set_difference/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/set_intersection/constexpr.cc:
+ Likewise.
+ * testsuite/25_algorithms/set_intersection/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/set_symmetric_difference/constexpr.cc:
+ Likewise.
+ * testsuite/25_algorithms/set_symmetric_difference/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/set_union/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/set_union/constrained.cc: Likewise.
+ * testsuite/25_algorithms/shift_left/1.cc: Likewise.
+ * testsuite/25_algorithms/shift_right/1.cc: Likewise.
+ * testsuite/25_algorithms/shuffle/constrained.cc: Likewise.
+ * testsuite/25_algorithms/sort/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/sort/constrained.cc: Likewise.
+ * testsuite/25_algorithms/sort_heap/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/stable_partition/constrained.cc:
+ Likewise.
+ * testsuite/25_algorithms/stable_sort/constrained.cc: Likewise.
+ * testsuite/25_algorithms/swap/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/swap_ranges/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/swap_ranges/constrained.cc: Likewise.
+ * testsuite/25_algorithms/transform/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/transform/constrained.cc: Likewise.
+ * testsuite/25_algorithms/unique/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/unique/constrained.cc: Likewise.
+ * testsuite/25_algorithms/unique_copy/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/unique_copy/constrained.cc: Likewise.
+ * testsuite/25_algorithms/upper_bound/constexpr.cc: Likewise.
+ * testsuite/25_algorithms/upper_bound/constrained.cc: Likewise.
+ * testsuite/25_algorithms/upper_bound/debug/constexpr_partitioned_neg.cc:
+ Likewise.
+ * testsuite/25_algorithms/upper_bound/debug/constexpr_partitioned_pred_neg.cc:
+ Likewise.
+ * testsuite/25_algorithms/upper_bound/debug/constexpr_valid_range_neg.cc:
+ Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/std/concepts/1.cc: Remove dg-options.
+ * testsuite/std/concepts/2.cc: Likewise.
+ * testsuite/std/concepts/concepts.callable/invocable.cc:
+ Likewise.
+ * testsuite/std/concepts/concepts.callable/regular_invocable.cc:
+ Likewise.
+ * testsuite/std/concepts/concepts.callable/relation.cc:
+ Likewise.
+ * testsuite/std/concepts/concepts.callable/strictweakorder.cc:
+ Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.arithmetic/floating_point.cc: Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc: Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.arithmetic/signed_integral.cc: Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.arithmetic/unsigned_integral.cc: Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.assignable/1.cc:
+ Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.common/1.cc:
+ Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.commonref/1.cc:
+ Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.constructible/1.cc: Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
+ Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc: Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.defaultinitializable/1.cc: Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.defaultinitializable/lwg3149.cc: Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
+ Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.destructible/1.cc: Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc: Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.same/1.cc:
+ Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc: Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc: Likewise.
+ * testsuite/std/concepts/concepts.lang/concept.swappable/swappable_with.cc: Likewise.
+ * testsuite/std/concepts/concepts.object/copyable.cc: Likewise.
+ * testsuite/std/concepts/concepts.object/movable.cc: Likewise.
+ * testsuite/std/concepts/concepts.object/regular.cc: Likewise.
+ * testsuite/std/concepts/concepts.object/semiregular.cc:
+ Likewise.
+ * testsuite/std/ranges/97600.cc: Likewise.
+ * testsuite/std/ranges/access/101782.cc: Likewise.
+ * testsuite/std/ranges/access/begin.cc: Likewise.
+ * testsuite/std/ranges/access/begin_neg.cc: Likewise.
+ * testsuite/std/ranges/access/cbegin.cc: Likewise.
+ * testsuite/std/ranges/access/cdata.cc: Likewise.
+ * testsuite/std/ranges/access/cend.cc: Likewise.
+ * testsuite/std/ranges/access/crbegin.cc: Likewise.
+ * testsuite/std/ranges/access/crend.cc: Likewise.
+ * testsuite/std/ranges/access/data.cc: Likewise.
+ * testsuite/std/ranges/access/empty.cc: Likewise.
+ * testsuite/std/ranges/access/end.cc: Likewise.
+ * testsuite/std/ranges/access/end_neg.cc: Likewise.
+ * testsuite/std/ranges/access/lwg3467.cc: Likewise.
+ * testsuite/std/ranges/access/p2602.cc: Likewise.
+ * testsuite/std/ranges/access/rbegin.cc: Likewise.
+ * testsuite/std/ranges/access/rend.cc: Likewise.
+ * testsuite/std/ranges/access/size.cc: Likewise.
+ * testsuite/std/ranges/access/size_neg.cc: Likewise.
+ * testsuite/std/ranges/access/ssize.cc: Likewise.
+ * testsuite/std/ranges/adaptors/100479.cc: Likewise.
+ * testsuite/std/ranges/adaptors/100577.cc: Likewise.
+ * testsuite/std/ranges/adaptors/93978.cc: Likewise.
+ * testsuite/std/ranges/adaptors/95322.cc: Likewise.
+ * testsuite/std/ranges/adaptors/99433.cc: Likewise.
+ * testsuite/std/ranges/adaptors/all.cc: Likewise.
+ * testsuite/std/ranges/adaptors/common.cc: Likewise.
+ * testsuite/std/ranges/adaptors/conditionally_borrowed.cc:
+ Likewise.
+ * testsuite/std/ranges/adaptors/counted.cc: Likewise.
+ * testsuite/std/ranges/adaptors/detail/copyable_box.cc:
+ Likewise.
+ * testsuite/std/ranges/adaptors/drop.cc: Likewise.
+ * testsuite/std/ranges/adaptors/drop_while.cc: Likewise.
+ * testsuite/std/ranges/adaptors/elements.cc: Likewise.
+ * testsuite/std/ranges/adaptors/filter.cc: Likewise.
+ * testsuite/std/ranges/adaptors/join.cc: Likewise.
+ * testsuite/std/ranges/adaptors/lazy_split.cc: Likewise.
+ * testsuite/std/ranges/adaptors/lazy_split_neg.cc: Likewise.
+ * testsuite/std/ranges/adaptors/lwg3286.cc: Likewise.
+ * testsuite/std/ranges/adaptors/lwg3313_neg.cc: Likewise.
+ * testsuite/std/ranges/adaptors/lwg3325_neg.cc: Likewise.
+ * testsuite/std/ranges/adaptors/lwg3406.cc: Likewise.
+ * testsuite/std/ranges/adaptors/p1739.cc: Likewise.
+ * testsuite/std/ranges/adaptors/p2281.cc: Likewise.
+ * testsuite/std/ranges/adaptors/p2770r0.cc: Likewise.
+ * testsuite/std/ranges/adaptors/reverse.cc: Likewise.
+ * testsuite/std/ranges/adaptors/sizeof.cc: Likewise.
+ * testsuite/std/ranges/adaptors/split.cc: Likewise.
+ * testsuite/std/ranges/adaptors/take.cc: Likewise.
+ * testsuite/std/ranges/adaptors/take_while.cc: Likewise.
+ * testsuite/std/ranges/adaptors/transform.cc: Likewise.
+ * testsuite/std/ranges/empty_view.cc: Likewise.
+ * testsuite/std/ranges/headers/ranges/synopsis.cc: Likewise.
+ * testsuite/std/ranges/iota/difference_type.cc: Likewise.
+ * testsuite/std/ranges/iota/iota_view.cc: Likewise.
+ * testsuite/std/ranges/iota/iterator.cc: Likewise.
+ * testsuite/std/ranges/iota/lwg3292_neg.cc: Likewise.
+ * testsuite/std/ranges/iota/max_size_type.cc: Likewise.
+ * testsuite/std/ranges/istream_view.cc: Likewise.
+ * testsuite/std/ranges/p2259.cc: Likewise.
+ * testsuite/std/ranges/p2325.cc: Likewise.
+ * testsuite/std/ranges/p2367.cc: Likewise.
+ * testsuite/std/ranges/range.cc: Likewise.
+ * testsuite/std/ranges/refinements.cc: Likewise.
+ * testsuite/std/ranges/safe_range.cc: Likewise.
+ * testsuite/std/ranges/safe_range_types.cc: Likewise.
+ * testsuite/std/ranges/single_view.cc: Likewise.
+ * testsuite/std/ranges/sized.cc: Likewise.
+ * testsuite/std/ranges/subrange/1.cc: Likewise.
+ * testsuite/std/ranges/subrange/97512.cc: Likewise.
+ * testsuite/std/ranges/subrange/constexpr.cc: Likewise.
+ * testsuite/std/ranges/subrange/lwg3282_neg.cc: Likewise.
+ * testsuite/std/ranges/subrange/lwg3286.cc: Likewise.
+ * testsuite/std/ranges/subrange/lwg3433.cc: Likewise.
+ * testsuite/std/ranges/subrange/sizeof.cc: Likewise.
+ * testsuite/std/ranges/subrange/tuple_like.cc: Likewise.
+ * testsuite/std/ranges/view.cc: Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/21_strings/headers/cuchar/functions_std_cxx20.cc:
+ Remove dg-options.
+ * testsuite/23_containers/span/contiguous_range_neg.cc:
+ Likewise.
+ * testsuite/23_containers/span/everything.cc: Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/24_iterators/reverse_iterator/100639.cc: Remove
+ dg-options and add dg-add-options strict_std.
+ * testsuite/std/ranges/iota/93267.cc: Likewise.
+ * testsuite/std/ranges/iota/96042.cc: Likewise.
+ * testsuite/std/ranges/iota/size.cc: Likewise.
+ * testsuite/std/ranges/subrange/96042.cc: Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/tr1/5_numerical_facilities/special_functions/07_conf_hyperg/compile_cxx17.cc:
+ Replace dg-options -std=c++17 with dg-add-options strict_std.
+ * testsuite/tr1/5_numerical_facilities/special_functions/17_hyperg/compile_cxx17.cc:
+ Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/23_containers/deque/48101-2_neg.cc: Replace
+ dg-options with target selector.
+ * testsuite/23_containers/forward_list/48101-2_neg.cc: Likewise.
+ * testsuite/23_containers/list/48101-2_neg.cc: Likewise.
+ * testsuite/23_containers/map/48101-2_neg.cc: Likewise.
+ * testsuite/23_containers/map/48101_neg.cc: Likewise.
+ * testsuite/23_containers/multimap/48101-2_neg.cc: Likewise.
+ * testsuite/23_containers/multimap/48101_neg.cc: Likewise.
+ * testsuite/23_containers/multiset/48101-2_neg.cc: Likewise.
+ * testsuite/23_containers/set/48101-2_neg.cc: Likewise.
+ * testsuite/23_containers/unordered_map/48101-2_neg.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_multimap/48101-2_neg.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_multiset/48101-2_neg.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_set/48101-2_neg.cc:
+ Likewise.
+ * testsuite/23_containers/vector/48101-2_neg.cc: Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/xml/manual/test.xml: Update documentation on running and
+ writing tests.
+ * doc/html/manual/test.html: Regenerate.
+ * testsuite/Makefile.am: Add v3-use-std-list to site.tmp
+ * testsuite/Makefile.in: Regenerate.
+ * testsuite/lib/dg-options.exp (add_options_for_strict_std): New
+ proc.
+ * testsuite/lib/libstdc++.exp (search_for): New utility proc.
+ (v3-dg-runtest): New proc to replace dg-runtest.
+ * testsuite/libstdc++-dg/conformance.exp: Use v3-dg-runtest.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc:
+ Fix test to work for C++23 and C++26 too.
+
+2023-09-15 Patrick Palka <ppalka@redhat.com>
+
+ * include/std/bit: Include <concepts>.
+ (byteswap): Use a type-constraint instead of enable_if_t
+ inside the return type, and use std::integral.
+ (_If_is_unsigned_integer): Replace with ...
+ (__unsigned_integer): ... this.
+ (rotl): Use a type-constraint instead of enable_if_t inside
+ the return type.
+ (countl_zero): Likewise.
+ (countl_one): Likewise.
+ (countr_zero): Likewise.
+ (countr_one): Likewise.
+ (popcount): Likewise.
+ (has_single_bit): Likewise.
+ (bit_ceil): Likewise.
+ (bit_floor): Likewise.
+ (bit_width): Likewise.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/variant (variant): Remove derivation from
+ _Enable_default_constructor base class.
+ (variant::variant()): Constrain.
+ * testsuite/20_util/variant/default_ctor.cc: New test.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/111172
+ * include/std/variant (get<T>): Remove !is_void static
+ assertions.
+
+2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/version.def (to_chars): Define new value for
+ C++26.
+ * include/bits/version.h: Regenerate.
+ * include/std/charconv (to_chars_result::operator bool): New
+ function.
+ (from_chars_result::operator bool): New function.
+ * testsuite/20_util/to_chars/version.cc: Update expected value.
+ * testsuite/20_util/from_chars/result.cc: New test.
+ * testsuite/20_util/to_chars/result.cc: New test.
+
+2023-09-14 Jonathan Wakely <jwakely@redhat.com>
+
+ PR c++/111357
+ * testsuite/20_util/integer_sequence/pr111357.cc: New test.
+
+2023-09-14 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/27_io/basic_filebuf/seekoff/char/1-io.cc: Use
+ dg-additional-files. Remove @require@ and @diff@ comments.
+ * testsuite/27_io/basic_filebuf/seekoff/char/2-io.cc: Likewise.
+ * testsuite/27_io/basic_filebuf/seekpos/char/1-io.cc: Likewise.
+ * testsuite/27_io/basic_filebuf/seekpos/char/2-io.cc: Likewise.
+ * testsuite/lib/dg-options.exp (v3_additional_files): New
+ global variable.
+ (dg-additional-files): New proc.
+ * testsuite/lib/libstdc++.exp (v3_target_compile): Copy
+ additional files to test directory.
+
+2023-09-14 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/experimental/io_context (io_context) [!_GLIBCXX_HAS_GTHREADS]:
+ Use a plain integer for _M_work_count for single-threaded
+ targets.
+ * include/experimental/memory_resource (__get_default_resource)
+ [!_GLIBCXX_HAS_GTHREADS]: Use unsynchronized type for
+ single-threaded targets.
+ * src/c++17/default_resource.h: Adjust preprocessor conditions
+ to match memory_resource.cc.
+ * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
+ (atomic_mem_res): Use unsynchronized type for single-threaded
+ targets.
+
+2023-09-14 Christophe Lyon <christophe.lyon@linaro.org>
+
+ * testsuite/29_atomics/atomic/compare_exchange_padding.cc: Likewise.
+ * testsuite/29_atomics/atomic/cons/value_init.cc: Likewise.
+ * testsuite/29_atomics/atomic_float/value_init.cc: Likewise.
+ * testsuite/29_atomics/atomic_integral/cons/value_init.cc: Likewise.
+ * testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc: Likewise.
+ * testsuite/29_atomics/atomic_ref/generic.cc: Likewise.
+ * testsuite/29_atomics/atomic_ref/integral.cc: Likewise.
+ * testsuite/29_atomics/atomic_ref/pointer.cc: Likewise.
+
+2023-09-14 François Dumont <fdumont@gcc.gnu.org>
+
+ * testsuite/19_diagnostics/stacktrace/synopsis.cc: Add
+ { dg-require-normal-namespace "" }.
+
+2023-09-13 François Dumont <fdumont@gcc.gnu.org>
+
+ * include/std/format (std::__format::_Arg_store): Explicit version
+ namespace on make_format_args friend declaration.
+
+2023-09-12 Patrick Palka <ppalka@redhat.com>
+
+ PR libstdc++/111327
+ * include/std/functional (_GLIBCXX_NOT_FN_CALL_OP): Also define
+ a deleted fallback operator() overload. Constrain both the
+ enabled and deleted overloads accordingly.
+ * testsuite/20_util/function_objects/not_fn/111327.cc: New test.
+
+2023-09-12 Patrick Palka <ppalka@redhat.com>
+
+ PR libstdc++/111327
+ * include/std/functional (_Bind_front::operator()): Add deleted
+ fallback overloads for each const/ref qualifier pair. Give the
+ enabled overloads dummy constraints to make each one more
+ specialized than the corresponding deleted overload.
+ * testsuite/20_util/function_objects/bind_front/111327.cc: New test.
+
+2023-09-12 Patrick Palka <ppalka@redhat.com>
+
+ * include/std/functional (_Bind_front0): Remove.
+ (_Bind_front_t): Adjust.
+
+2023-09-12 Jonathan Wakely <jwakely@redhat.com>
+
+ * python/libstdcxx/v6/printers.py: Reformat.
+ * python/libstdcxx/v6/xmethods.py: Likewise.
+
+2023-09-11 Jonathan Wakely <jwakely@redhat.com>
+
+ * src/c++11/debug.cc (acquire_sequence_ptr_for_lock): New
+ function.
+ (reset_sequence_ptr): New function.
+ (_Safe_iterator_base::_M_detach)
+ (_Safe_local_iterator_base::_M_detach): Replace bare atomic_load
+ with acquire_sequence_ptr_for_lock.
+ (_Safe_iterator_base::_M_reset): Replace bare atomic_store with
+ reset_sequence_ptr.
+
+2023-09-11 Jonathan Wakely <jwakely@redhat.com>
+
+ * src/c++11/Makefile.am: Add new file.
+ * src/c++11/Makefile.in: Regenerate.
+ * src/c++11/debug.cc (__glibcxx_assert_fail): Move to ...
+ * src/c++11/assert_fail.cc: New file.
+
+2023-09-11 Ken Matsui <kmatsui@gcc.gnu.org>
+
+ * include/bits/c++config (_GLIBCXX_HAS_BUILTIN): Do not undef.
+ (_GLIBCXX_USE_BUILTIN_TRAIT): Define.
+
+2023-09-11 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/version.def (__cpp_lib_formatters): Define.
+ * include/bits/version.h: Regenerate.
+ * include/std/stacktrace (formatter<stacktrace_entry>)
+ (formatter<basic_stacktrace<Alloc>>): Define.
+ * include/std/thread (formatter<thread::id, charT>): Define.
+ * testsuite/19_diagnostics/stacktrace/output.cc: New test.
+ * testsuite/19_diagnostics/stacktrace/synopsis.cc: Add
+ std::formatter specializations.
+ * testsuite/19_diagnostics/stacktrace/version.cc: Check
+ __cpp_lib_formatters macro.
+ * testsuite/30_threads/thread/id/hash.cc: Remove gthreads
+ dependency.
+ * testsuite/30_threads/thread/id/operators.cc: Likewise.
+ * testsuite/30_threads/thread/id/operators_c++20.cc: Likewise.
+ * testsuite/30_threads/thread/id/output.cc: New test.
+
+2023-09-11 Pekka Seppänen <pexu@gcc.mail.kapsi.fi>
+
+ * src/c++11/cow-locale_init.cc: Add [[maybe_unused]] attribute.
+ * src/c++17/fs_path.cc (path::_S_convert_loc): Likewise.
+ * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
+
+2023-09-08 Jonathan Wakely <jwakely@redhat.com>
+
+ * acinclude.m4 (GLIBCXX_CONFIGURE): Add c++23 directory.
+ * configure: Regenerate.
+ * doc/html/manual/*: Regenerate.
+ * doc/xml/manual/using.xml: Update documentation on linking.
+ * include/std/stacktrace: Remove declarations of libbacktrace
+ APIs.
+ (stacktrace_entry::_S_err_handler, stacktrace_entry::_S_init):
+ Remove.
+ (stacktrace_entry::_Info): New class.
+ (stacktrace_entry::_M_get_info): Use _Info.
+ (__stacktrace_impl): New class.
+ (basic_stacktrace): Derive from __stacktrace_impl.
+ (basic_stacktrace::current): Use __stacktrace_impl::_S_current.
+ * scripts/testsuite_flags.in: Adjust LDFLAGS to find
+ libstdc++exp instead of libstdc++_libbacktrace.
+ * src/Makefile.am (SUBDIRS): Add c++23 directory.
+ * src/Makefile.in: Regenerate.
+ * src/c++20/Makefile.am: Fix comment.
+ * src/c++20/Makefile.in: Regenerate.
+ * src/c++23/Makefile.am: New file.
+ * src/c++23/Makefile.in: New file.
+ * src/c++23/stacktrace.cc: New file with definitions of
+ stacktrace_entry::_Info and __stacktrace_impl members.
+ * src/experimental/Makefile.am: Use LIBADD to include other
+ libraries.
+ * src/experimental/Makefile.in: Regenerate.
+ * src/libbacktrace/Makefile.am: Use noinst_LTLIBRARIES.
+ * src/libbacktrace/Makefile.in: Regenerate.
+ * testsuite/19_diagnostics/stacktrace/current.cc: Adjust
+ dg-options to use -lstdc++exp.
+ * testsuite/19_diagnostics/stacktrace/entry.cc: Likewise.
+ * testsuite/19_diagnostics/stacktrace/stacktrace.cc: Likewise.
+ * testsuite/23_containers/vector/debug/assign4_backtrace_neg.cc:
+ Likewise.
+
+2023-09-08 Alexey Lapshin <alexey.lapshin@espressif.com>
+
+ * src/libbacktrace/Makefile.am: Remove -Werror.
+ * src/libbacktrace/Makefile.in: Regenerate.
+
+2023-09-08 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/Makefile.am (check-DEJAGNU): Use @ in recipe.
+ * testsuite/Makefile.in: Regenerate.
+
+2023-09-08 Yang Yujie <yangyujie@loongson.cn>
+
+ * configure.host: Register t-loongarch in tmake_file.
+ * config/cpu/loongarch/t-loongarch: New file. Manually refresh
+ MULTISUBDIR with $(shell $(CXX) --print-multi-directory).
+
+2023-09-07 Bruno Victal <mirai@makinata.eu>
+
+ * acinclude.m4: Update docbook xsl URI.
+ * configure: Regenerate.
+
+2023-09-07 Bruno Victal <mirai@makinata.eu>
+
+ * doc/Makefile.am: Fix 'doc-install-info' rule.
+ Fix typo in commment.
+ * doc/Makefile.in: Regenerate.
+
+2023-09-07 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/27_io/filesystem/path/concat/94063.cc: Simplify
+ dg-do target selector.
+
+2023-09-07 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/config/default.exp: Remove trailing whitespace.
+ * testsuite/lib/dg-options.exp: Likewise.
+ * testsuite/lib/prune.exp: Likewise.
+ * testsuite/libstdc++-abi/abi.exp: Likewise.
+ * testsuite/libstdc++-dg/conformance.exp: Likewise.
+ * testsuite/libstdc++-prettyprinters/prettyprinters.exp:
+ Likewise.
+ * testsuite/libstdc++-xmethods/xmethods.exp: Likewise.
+ * testsuite/lib/libstdc++.exp: Likewise.
+ (check_v3_target_c_std): Fix filename for temporary source file.
+
+2023-09-07 Jonathan Wakely <jwakely@redhat.com>
+
+ * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for mkdir,
+ chmod, chdir, and getcwd.
+ * config.h.in: Regenerate.
+ * configure: Regenerate.
+ * src/c++17/fs_ops.cc (create_dir): Use USE_MKDIR macro.
+ (fs::current_path): Use USE_GETCWD and USE_CHDIR macros.
+ (fs::permissions): Use USE_CHMOD macro.
+ * src/filesystem/ops-common.h [FILESYSTEM_IS_WINDOWS]
+ (chmod, mkdir, getcwd, chdir): Define new macros.
+ [FILESYSTEM_IS_WINDOWS] (chmod, mkdir, getcwd, chdir): Use
+ new macros.
+ * src/filesystem/ops.cc (create_dir): Use USE_MKDIR macro.
+ (fs::current_path): Use USE_GETCWD and USE_CHDIR macros.
+ (fs::permissions): Use USE_CHMOD macro.
+
+2023-09-07 Jonathan Wakely <jwakely@redhat.com>
+
+ * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Disable by default
+ for avr.
+ * configure: Regenerate.
+
+2023-09-07 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/23_containers/unordered_map/operations/1.cc: Add
+ dg-options for C++20 mode.
+ * testsuite/23_containers/unordered_multimap/operations/1.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_multiset/operations/1.cc:
+ Likewise.
+ * testsuite/23_containers/unordered_set/operations/1.cc:
+ Likewise.
+ * testsuite/std/time/parse.cc: Move dg-options before dg-do.
+
+2023-09-07 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/std/ranges/access/cbegin.cc: Adjust for C++23
+ compatibility.
+ * testsuite/std/ranges/access/cdata.cc: Likewise.
+ * testsuite/std/ranges/access/cend.cc: Likewise.
+ * testsuite/std/ranges/access/crbegin.cc: Likewise.
+ * testsuite/std/ranges/access/crend.cc: Likewise.
+ * testsuite/std/ranges/adaptors/take.cc: Likewise.
+ * testsuite/std/ranges/adaptors/take_while.cc: Likewise.
+ * testsuite/std/ranges/adaptors/transform.cc: Likewise.
+
+2023-09-07 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/iterator_concepts.h (__imove::iter_move): Define
+ poison pill as deleted for consistency.
+ (__access::begin): Replace with a single declaration.
+ * include/bits/ranges_base.h (__access::end, __access::rbegin)
+ (__access::rend, __access::size): Likewise.
+ * include/bits/version.def (ranges): Update value for C++23.
+ * include/bits/version.h: Regenerate.
+ * libsupc++/compare (__compare): Add missing poison pill
+ overloads.
+ * testsuite/std/ranges/version_c++23.cc: Adjust expected value
+ of __cpp_lib_ranges.
+ * testsuite/std/ranges/access/p2602.cc: New test.
+
+2023-09-07 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/iterator_concepts.h (ranges::__cust_imove):
+ Rename to ranges::__imove.
+ (_IMove): Rename to _IterMove.
+ (ranges::__cust_iswap): Rename to ranges::__iswap.
+ (ranges::__cust): Rename to ranges::_Cpo.
+ (ranges::__cust_access): Rename to ranges::__access.
+ * include/bits/ranges_base.h (ranges::__cust_access): Rename to
+ ranges::__access.
+ (ranges::__cust): Rename to ranges::_Cpo.
+ * include/std/concepts (ranges::__cust_swap): Rename to
+ ranges::__swap.
+ (ranges::__cust): Rename to ranges::_Cpo.
+ * libsupc++/compare (__cmp_cust): Rename to __compare.
+ (__cmp_algo): Rename to _Cpo.
+
+2023-09-07 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/version.def (ranges): Update value.
+ * include/bits/version.h: Regenerate.
+ * include/std/ranges (__detail::__boxable): Use
+ move_constructible instead of copy_constructible for C++23.
+ (__detail::__box<T>): Adjust constraints for partial
+ specialization.
+ (single_view, transform_view): Use __box_constructible instead
+ of copy_constructible in constraints.
+ (zip_transform_view, adjacent_transform_view, repeat_view): Use
+ move_constructible instead of copy_constructible in constraints.
+ * testsuite/std/ranges/adaptors/adjacent_transform/1.cc: Check
+ construction from move-only argument.
+ * testsuite/std/ranges/adaptors/transform.cc: Likewise.
+ * testsuite/std/ranges/repeat/1.cc: Likewise.
+ * testsuite/std/ranges/single_view.cc: Likewise.
+ * testsuite/std/ranges/zip_transform/1.cc: Likewise.
+ * testsuite/std/ranges/version_c++23.cc: Adjust expected value
+ of __cpp_lib_ranges.
+
+2023-09-07 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/util/testsuite_iterators.h (is_customization_point_object):
+ Remove parameter name.
+
+2023-09-06 Jonathan Wakely <jwakely@redhat.com>
+
+ * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Disable by default
+ for freestanding.
+ * configure: Regenerate.
+
+2023-09-04 Christophe Lyon <christophe.lyon@linaro.org>
+
+ Revert
+ 2023-09-04 Christophe Lyon <christophe.lyon@linaro.org>
+
+ PR libstdc++/111238
+ * configure: Regenerate.
+ * configure.ac: Call GLIBCXX_CHECK_LINKER_FEATURES in cross,
+ non-Canadian builds.
+
+2023-09-04 Christophe Lyon <christophe.lyon@linaro.org>
+
+ PR libstdc++/111238
+ * configure: Regenerate.
+ * configure.ac: Call GLIBCXX_CHECK_LINKER_FEATURES in cross,
+ non-Canadian builds.
+
+2023-09-04 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/26_numerics/complex/literals/types.cc: Remove
+ dg-options and add target selector instead.
+
+2023-09-04 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/tr1/6_containers/utility/pair.cc: Remove dg-options
+ and qualify ambiguous calls to get.
+ * testsuite/tr1/8_c_compatibility/cmath/pow_cmath.cc: Adjust
+ expected result for std::pow(float, int) as per DR 550.
+
+2023-09-04 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/20_util/auto_ptr/1.cc: Remove dg-options -std=c++03
+ and add dg-warning for deprecation warnings.
+ * testsuite/20_util/auto_ptr/2.cc: Likewise.
+ * testsuite/20_util/auto_ptr/3.cc: Likewise.
+ * testsuite/20_util/auto_ptr/3946.cc: Likewise.
+ * testsuite/20_util/auto_ptr/4.cc: Likewise.
+ * testsuite/20_util/auto_ptr/5.cc: Likewise.
+ * testsuite/20_util/auto_ptr/6.cc: Likewise.
+ * testsuite/20_util/auto_ptr/7.cc: Likewise.
+ * testsuite/20_util/auto_ptr/assign_neg.cc: Likewise.
+ * testsuite/20_util/auto_ptr/requirements/explicit_instantiation/1.cc:
+ Likewise.
+ * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr.cc:
+ Likewise.
+ * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr_neg.cc:
+ Likewise.
+ * testsuite/tr1/2_general_utilities/shared_ptr/assign/auto_ptr_rvalue_neg.cc:
+ Likewise.
+ * testsuite/tr1/2_general_utilities/shared_ptr/cons/43820_neg.cc:
+ Likewise.
+ * testsuite/tr1/2_general_utilities/shared_ptr/cons/auto_ptr.cc:
+ Likewise.
+ * testsuite/tr1/2_general_utilities/shared_ptr/cons/auto_ptr_neg.cc:
+ Likewise.
+
+2023-09-04 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/26142
+ * testsuite/23_containers/vector/26412-1.cc: Moved to...
+ * testsuite/23_containers/vector/26142-1.cc: ...here.
+ * testsuite/23_containers/vector/26412-2.cc: Moved to...
+ * testsuite/23_containers/vector/26142-2.cc: ...here.
+
+2023-09-04 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/20_util/bitset/107037.cc: Add c++98_only selector.
+ * testsuite/26_numerics/complex/56111.cc: Likewise.
+
+2023-09-04 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/23_containers/deque/requirements/explicit_instantiation/2.cc:
+ Add dg-options to restrict the test to C++98 mode.
+ * testsuite/23_containers/list/requirements/explicit_instantiation/2.cc:
+ Likewise.
+
+2023-09-04 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/20_util/expected/bad.cc: Add missing target
+ selector.
+
+2023-09-01 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/25_algorithms/copy/debug/constexpr_neg.cc: Adjust
+ expected errors.
+ * testsuite/25_algorithms/equal/debug/constexpr_neg.cc:
+ Likewise.
+
+2023-09-01 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/27_io/filesystem/iterators/91067.cc: Add
+ -Wno-self-move to options.
+ * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
+
+2023-09-01 Vladimir Palevich <palevichva@gmail.com>
+
+ PR libstdc++/110879
+ * include/bits/vector.tcc (_M_realloc_insert): End guard
+ lifetime just before assignment to class members.
+ (_M_default_append): Likewise.
+
+2023-09-01 Jonathan Wakely <jwakely@redhat.com>
+
+ * src/c++17/fs_ops.cc (fs::absolute) [FILESYSTEM_IS_WINDOWS]:
+ Use __resize_and_overwrite to fill buffer.
+ (fs::read_symlink) [HAVE_READLINK]: Likewise.
+ * src/filesystem/ops-common.h (get_temp_directory_from_env)
+ [FILESYSTEM_IS_WINDOWS]: Likewise.
+
+2023-09-01 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/111077
+ * include/bits/atomic_base.h (__atomic_impl::__compare_exchange):
+ Add _AtomicRef non-type template parameter and use a loop if it
+ is true.
+ (__atomic_impl::compare_exchange_weak): Add _AtomicRef NTTP.
+ (__atomic_impl::compare_exchange_strong): Likewise.
+ (atomic_ref::compare_exchange_weak): Use true for NTTP.
+ (atomic_ref::compare_exchange_strong): Use true for NTTP.
+ * testsuite/29_atomics/atomic_ref/compare_exchange_padding.cc:
+ Fix test to not rely on atomic_ref::load() to return an object
+ with padding preserved.
+
+2023-09-01 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/27_io/filesystem/path/108636.cc: Add dg-require for
+ filesystem support.
+
+2023-09-01 Jonathan Wakely <jwakely@redhat.com>
+
+ * src/c++20/tzdb.cc (tzdb::current_zone): Check configure macros
+ for POSIX readlink before using filesystem::read_symlink.
+
+2023-09-01 Jonathan Wakely <jwakely@redhat.com>
+
+ * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Default to yes.
+ * configure: Regenerate.
+
+2023-09-01 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/chrono_io.h (_Parser::operator()): Set failbit
+ early if invalid values are read when _M_need & _TimeOfDay is
+ non-zero.
+ * testsuite/std/time/parse.cc: Check that "25:59" cannot be
+ parsed for "%H:%M".
+
+2023-09-01 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/111162
+ * include/bits/chrono_io.h (_Parser::Operator()): Check %C
+ values are in range of year::min() to year::max().
+ * testsuite/std/time/parse.cc: Check out of range centuries.
+
+2023-09-01 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/format (__format::_Sink::_M_reset): Change second
+ argument from iterator to offset.
+
+2023-08-24 Paul Dreik <gccpatches@pauldreik.se>
+
+ PR libstdc++/111102
+ * testsuite/std/format/string.cc: Check wide character format
+ strings with out-of-range widths.
+
+2023-08-24 Paul Dreik <gccpatches@pauldreik.se>
+
+ PR libstdc++/111102
+ * include/std/format (__format::__parse_integer): Check for
+ non-null pointer.
+
+2023-08-24 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/std/format/functions/format_to.cc: Avoid warning for
+ unused variables.
+
+2023-08-24 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/atomic: Add comment to #ifdef and fix indentation.
+ * include/std/ostream: Check __glibcxx_syncbuf instead of
+ __cplusplus and _GLIBCXX_HOSTED.
+ * include/std/thread: Add comment to #ifdef.
+
+2023-08-24 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/version.def (__cpp_lib_ratio): Define.
+ * include/bits/version.h: Regenerate.
+ * include/std/ratio (quecto, ronto, yocto, zepto)
+ (zetta, yotta, ronna, quetta): Define.
+ * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Adjust
+ dg-error line numbers.
+
+2023-08-24 Jonathan Wakely <jwakely@redhat.com>
+
+ * python/libstdcxx/v6/printers.py (StdLocalePrinter): New
+ printer class.
+ * testsuite/libstdc++-prettyprinters/locale.cc: New test.
+
+2023-08-24 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110944
+ * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Do
+ not show template arguments.
+ (StdVariantPrinter): Likewise.
+ * testsuite/libstdc++-prettyprinters/compat.cc: Adjust expected
+ output.
+ * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
+ * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
+
+2023-08-23 François Dumont <fdumont@gcc.gnu.org>
+
+ * testsuite/util/replacement_memory_operators.h
+ (counter::scope): New, capture and reset counter count at construction and
+ restore it at destruction.
+ (counter::check_new): Add scope instantiation.
+ * testsuite/23_containers/unordered_map/96088.cc (main):
+ Add counter::scope instantiation.
+ * testsuite/23_containers/unordered_multimap/96088.cc (main): Likewise.
+ * testsuite/23_containers/unordered_multiset/96088.cc (main): Likewise.
+ * testsuite/23_containers/unordered_set/96088.cc (main): Likewise.
+ * testsuite/ext/malloc_allocator/deallocate_local.cc (main): Likewise.
+ * testsuite/ext/new_allocator/deallocate_local.cc (main): Likewise.
+ * testsuite/ext/throw_allocator/deallocate_local.cc (main): Likewise.
+ * testsuite/ext/pool_allocator/allocate_chunk.cc (started): New global.
+ (operator new(size_t)): Check started.
+ (main): Set/Unset started.
+ * testsuite/17_intro/no_library_allocation.cc: New test case.
+
+2023-08-21 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/18_support/nested_exception/rethrow_if_nested-term.cc:
+ Call std::set_terminate before throwing the nested exception.
+
+2023-08-18 Jonathan Wakely <jwakely@redhat.com>
+
+ PR target/111060
+ * include/std/format (formatter): Only define specializations
+ for 16-bit floating-point types for C++23.
+ * include/std/limits (numeric_limits): Likewise.
+
+2023-08-18 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/chrono_io.h (operator<<): Make uses of wide
+ strings with streams and std::format type-dependent on _CharT.
+ * include/std/format [!_GLIBCXX_USE_WCHAR_T] Do not use
+ __to_wstring_numeric.
+
+2023-08-18 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/chrono_io.h (operator<<): Use __format_context.
+ * include/std/format (__format::__format_context): New alias
+ template.
+ [!_GLIBCXX_USE_WCHAR_T] (wformat_args, make_wformat_arg):
+ Disable.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ Revert:
+ 2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
+ double overload for long double if possible.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * src/c++20/tzdb.cc (tzdata_file, leaps_file): Change type to
+ std::string_view.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * config/locale/generic/c_locale.cc (__convert_to_v): Reuse
+ double overload for long double if possible.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * src/c++98/localename.cc (is_C_locale): New function.
+ (locale::locale(const char*)): Use is_C_locale.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110945
+ * include/bits/basic_string.h (basic_string::assign(Iter, Iter)):
+ Dispatch to _M_replace or move assignment from a temporary,
+ based on the iterator type.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/format (formatter): Add partial specializations
+ for extended floating-point types.
+ * testsuite/std/format/functions/format.cc: Move test_float128()
+ to ...
+ * testsuite/std/format/formatter/ext_float.cc: New test.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/c++config (__gnu_cxx::__bfloat16_t): Define
+ whenever __BFLT16_DIG__ is defined, not only for C++23.
+ * include/std/limits (numeric_limits<bfloat16_t>): Likewise.
+ (numeric_limits<_Float16>, numeric_limits<_Float32>)
+ (numeric_limits<_Float64>): Likewise for other extended
+ floating-point types.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/experimental/internet (address_v4::to_string): Remove
+ unused parameter name.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * libsupc++/compare (__cmp_cat::__unseq): Make ctor consteval.
+ * testsuite/18_support/comparisons/categories/zero_neg.cc: Prune
+ excess errors caused by invalid consteval calls.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/chrono_io.h (__units_suffix_misc): Remove.
+ (__units_suffix): Return a known suffix as string view, do not
+ write unknown suffixes to a buffer.
+ (__fmt_units_suffix): New function that formats the suffix using
+ std::format_to.
+ (operator<<, __chrono_formatter::_M_q): Use __fmt_units_suffix.
+ (__chrono_formatter::_M_Z): Correct lifetime of wstring.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/format [_GLIBCXX_USE_WCHAR_T]: Guard all wide
+ string formatters with this macro.
+ (__formatter_int::_M_format_int, __formatter_fp::format)
+ (formatter<const void*, C>::format): Use __to_wstring_numeric
+ instead of std::ctype::widen.
+ (__formatter_fp::_M_localize): Use hardcoded wchar_t values
+ instead of std::ctype::widen.
+ * testsuite/std/format/functions/format.cc: Add more checks for
+ wstring formatting of arithmetic types.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/basic_string.h (to_string(floating-point-type)):
+ Implement using std::to_chars for C++26.
+ * include/bits/version.def (__cpp_lib_to_string): Define.
+ * include/bits/version.h: Regenerate.
+ * testsuite/21_strings/basic_string/numeric_conversions/char/dr1261.cc:
+ Adjust expected result in C++26 mode.
+ * testsuite/21_strings/basic_string/numeric_conversions/char/to_string.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/dr1261.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_float.cc:
+ New test.
+ * testsuite/21_strings/basic_string/numeric_conversions/wchar_t/to_wstring_float.cc:
+ New test.
+ * testsuite/21_strings/basic_string/numeric_conversions/version.cc:
+ New test.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/basic_string.h (to_string(integral-type)): Use
+ resize_and_overwrite when available.
+ (__to_wstring_numeric): New helper functions.
+ (to_wstring): Use std::to_string then __to_wstring_numeric.
+ * testsuite/21_strings/basic_string/numeric_conversions/char/to_string_int.cc:
+ Remove check for no excess capacity.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/basic_string.h (__resize_and_overwrite): New
+ function.
+ * include/bits/basic_string.tcc (__resize_and_overwrite): New
+ function.
+ (resize_and_overwrite): Simplify by using reserve instead of
+ growing the string manually. Adjust for C++11 compatibility.
+ * include/bits/cow_string.h (resize_and_overwrite): New
+ function.
+ (__resize_and_overwrite): New function.
+ * include/bits/version.def (__cpp_lib_string_resize_and_overwrite):
+ Do not depend on cxx11abi.
+ * include/bits/version.h: Regenerate.
+ * include/std/format (__formatter_fp::_S_resize_and_overwrite):
+ Remove.
+ (__formatter_fp::format, __formatter_fp::_M_localize): Use
+ __resize_and_overwrite instead of _S_resize_and_overwrite.
+ * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
+ Adjust for C++11 compatibility when included by ...
+ * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite_ext.cc:
+ New test.
+
+2023-08-17 Patrick Palka <ppalka@redhat.com>
+
+ * include/bits/regex.h (regex_iterator::iterator_concept):
+ Define for C++20 as per P2770R0.
+ (regex_token_iterator::iterator_concept): Likewise.
+ * include/std/ranges (__detail::__as_lvalue): Define.
+ (join_view::_Iterator): Befriend join_view.
+ (join_view::_Iterator::_M_satisfy): Use _M_get_outer
+ instead of _M_outer.
+ (join_view::_Iterator::_M_get_outer): Define.
+ (join_view::_Iterator::_Iterator): Split constructor taking
+ _Parent argument into two as per P2770R0. Remove constraint on
+ default constructor.
+ (join_view::_Iterator::_M_outer): Make this data member present
+ only when the underlying range is forward.
+ (join_view::_Iterator::operator++): Use _M_get_outer instead of
+ _M_outer.
+ (join_view::_Iterator::operator--): Use __as_lvalue helper.
+ (join_view::_Iterator::operator==): Adjust constraints as per
+ P2770R0.
+ (join_view::_Sentinel::__equal): Use _M_get_outer instead of
+ _M_outer.
+ (join_view::_M_outer): New data member when the underlying range
+ is non-forward.
+ (join_view::begin): Adjust definition as per P2770R0.
+ (join_view::end): Likewise.
+ (join_with_view::_M_outer_it): New data member when the
+ underlying range is non-forward.
+ (join_with_view::begin): Adjust definition as per P2770R0.
+ (join_with_view::end): Likewise.
+ (join_with_view::_Iterator::_M_outer_it): Make this data member
+ present only when the underlying range is forward.
+ (join_with_view::_Iterator::_M_get_outer): Define.
+ (join_with_view::_Iterator::_Iterator): Split constructor
+ taking _Parent argument into two as per P2770R0. Remove
+ constraint on default constructor.
+ (join_with_view::_Iterator::_M_update_inner): Adjust definition
+ as per P2770R0.
+ (join_with_view::_Iterator::_M_get_inner): Likewise.
+ (join_with_view::_Iterator::_M_satisfy): Adjust calls to
+ _M_get_inner. Use _M_get_outer instead of _M_outer_it.
+ (join_with_view::_Iterator::operator==): Adjust constraints
+ as per P2770R0.
+ (join_with_view::_Sentinel::operator==): Use _M_get_outer
+ instead of _M_outer_it.
+ * testsuite/std/ranges/adaptors/p2770r0.cc: New test.
+
+2023-08-17 Patrick Palka <ppalka@redhat.com>
+
+ PR libstdc++/108827
+ * include/std/ranges (__adaptor::_RangeAdaptorClosure):
+ Convert into a CRTP class template. Move hidden operator|
+ friends into namespace scope and adjust their constraints.
+ (__closure::__is_range_adaptor_closure_fn): Define.
+ (__closure::__is_range_adaptor_closure): Define.
+ (__adaptor::_Partial): Adjust use of _RangeAdaptorClosure.
+ (__adaptor::_Pipe): Likewise.
+ (views::_All): Likewise.
+ (views::_Join): Likewise.
+ (views::_Common): Likewise.
+ (views::_Reverse): Likewise.
+ (views::_Elements): Likewise.
+ (views::_Adjacent): Likewise.
+ (views::_AsRvalue): Likewise.
+ (views::_Enumerate): Likewise.
+ (views::_AsConst): Likewise.
+ * testsuite/std/ranges/adaptors/all.cc: Reinstate assertion
+ expecting that adding empty range adaptor closure objects to a
+ pipeline doesn't increase the size of a pipeline.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/format (__format::_Pres_type): Add _Pres_F.
+ (__formatter_fp::parse): Use _Pres_F for 'F'.
+ (__formatter_fp::format): Set __upper for _Pres_F.
+ * testsuite/std/format/functions/format.cc: Check formatting of
+ infinity and NaN for each presentation type.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/Makefile.in: Regenerate.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/24_iterators/move_iterator/p2520r0.cc: Add no_pch.
+ * testsuite/std/format/functions/format.cc: Likewise.
+ * testsuite/std/format/functions/format_c++23.cc: Likewise.
+
+2023-08-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/lib/dg-options.exp (add_options_for_no_pch): Remove
+ any "-include bits/stdc++.h" from options and add the macro to
+ the existing options instead of replacing them.
+
+2023-08-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/basic_string.tcc (resize_and_overwrite): Invoke
+ the callable with the same size as resize_and_overwrite was
+ called with.
+ * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
+ Check with small values for the new size.
+ * testsuite/std/format/functions/format.cc: Check wide
+ formatting of double values that produce small strings.
+ * testsuite/std/format/functions/format_c++23.cc: New test.
+
+2023-08-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/version.def (stds): Update value for C++23.
+ * include/bits/version.h: Regenerate.
+
+2023-08-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/25_algorithms/pstl/alg_sorting/set_difference.cc:
+ Fix name of upstream file this was derived from.
+ * testsuite/25_algorithms/pstl/alg_sorting/set_intersection.cc:
+ Likewise.
+ * testsuite/25_algorithms/pstl/alg_sorting/set_symmetric_difference.cc:
+ Likewise.
+ * testsuite/25_algorithms/pstl/alg_sorting/set_union.cc:
+ Likewise.
+ * testsuite/25_algorithms/pstl/alg_sorting/set_util.h: Likewise.
+
+2023-08-16 Arsen Arsenović <arsen@aarsen.me>
+
+ * libsupc++/typeinfo: Switch to bits/version.h for
+ __cpp_lib_constexpr_typeinfo.
+ * libsupc++/new: Switch to bits/version.h for
+ __cpp_lib_{launder,hardware_interference_size,destroying_delete}.
+ (launder): Guard behind __cpp_lib_launder.
+ (hardware_destructive_interference_size)
+ (hardware_constructive_interference_size): Guard behind
+ __cpp_lib_hardware_interference_size.
+ * libsupc++/exception: Switch to bits/version.h for
+ __cpp_lib_uncaught_exceptions.
+ (uncaught_exceptions): Guard behind __cpp_lib_uncaught_exceptions.
+ * libsupc++/compare: Switch to bits/version.h for
+ __cpp_lib_three_way_comparison.
+ (three_way_comparable, three_way_comparable_with)
+ (compare_three_way, weak_order, strong_order, partial_order):
+ Guard behind __cpp_lib_three_way_comparison >= 201907L.
+ * include/std/chrono: Drop __cpp_lib_chrono definition.
+ * include/std/vector: Switch to bits/version.h for
+ __cpp_lib_erase_if.
+ (erase, erase_if): Guard behind __cpp_lib_erase_if.
+ * include/std/variant: Switch to bits/version.h for
+ __cpp_lib_variant. Guard whole header behind that FTM.
+ * include/std/utility: Switch to bits/version.h for
+ __cpp_lib_{exchange_function,constexpr_algorithms,as_const},
+ __cpp_lib_{integer_comparison_functions,to_underlying}, and
+ __cpp_lib_unreachable.
+ (exchange): Guard behind __cpp_lib_exchange_function.
+ (cmp_equal, cmp_not_equal, cmp_less, cmp_greater, cmp_less_equal)
+ (cmp_greater_equal, in_range): Guard behind
+ __cpp_lib_integer_comparison_functions.
+ (to_underlying): Guard behind __cpp_lib_to_underlying.
+ (unreachable): Guard behind __cpp_lib_unreachable.
+ * include/std/type_traits: Switch to bits/version.h for
+ __cpp_lib_is_{null_pointer,final,nothrow_convertible,aggregate},
+ __cpp_lib_is_{constant_evaluated,invocable,layout_compatible},
+ __cpp_lib_is_{pointer_interconvertible,scoped_enum,swappable},
+ __cpp_lib_{logical_traits,reference_from_temporary,remove_cvref},
+ __cpp_lib_{result_of_sfinae,transformation_trait_aliases},
+ __cpp_lib_{type_identity,type_trait_variable_templates},
+ __cpp_lib_{unwrap_ref,void_t,integral_constant_callable},
+ __cpp_lib_{bool_constant,bounded_array_traits}, and
+ __cpp_lib_has_unique_object_representations.
+ (integral_constant::operator()): Guard behind
+ __cpp_lib_integral_constant_callable.
+ (bool_constant): Guard behind __cpp_lib_bool_constant.
+ (conjunction, disjunction, negation, conjunction_v, disjunction_v)
+ (negation_v): Guard behind __cpp_lib_logical_traits.
+ (is_null_pointer): Guard behind __cpp_lib_is_null_pointer.
+ (is_final): Guard behind __cpp_lib_is_final.
+ (is_nothrow_convertible, is_nothrow_convertible_v): Guard behind
+ __cpp_lib_is_nothrow_convertible.
+ (remove_const_t, remove_volatile_t, remove_cv_t)
+ (add_const_t, add_volatile_t, add_cv_t): Guard behind
+ __cpp_lib_transformation_trait_aliases.
+ (void_t): Guard behind __cpp_lib_void_t.
+ (is_swappable_with_v, is_nothrow_swappable_with_v)
+ (is_swappable_with, is_nothrow_swappable_with): Guard behind
+ __cpp_lib_is_swappable.
+ (is_nothrow_invocable_r, is_invocable_r, invoke_result)
+ (is_invocable, invoke_result_t): Guard behind
+ __cpp_lib_is_invocable.
+ (alignment_of_v, extent_v, has_virtual_destructor_v)
+ (is_abstract_v, is_arithmetic_v, is_array_v)
+ (is_assignable_v, is_base_of_v, is_class_v, is_compound_v)
+ (is_constructible_v, is_const_v, is_convertible_v)
+ (is_copy_assignable_v, is_copy_constructible_v)
+ (is_default_constructible_v, is_destructible_v)
+ (is_empty_v, is_enum_v, is_final_v, is_floating_point_v)
+ (is_function_v, is_fundamental_v, is_integral_v)
+ (is_invocable_r_v, is_invocable_v, is_literal_type_v)
+ (is_lvalue_reference_v, is_member_function_pointer_v)
+ (is_member_object_pointer_v, is_member_pointer_v)
+ (is_move_assignable_v, is_move_constructible_v)
+ (is_nothrow_assignable_v, is_nothrow_constructible_v)
+ (is_nothrow_copy_assignable_v, is_nothrow_copy_constructible_v)
+ (is_nothrow_default_constructible_v, is_nothrow_destructible_v)
+ (is_nothrow_invocable_r_v, is_nothrow_invocable_v)
+ (is_nothrow_move_assignable_v, is_nothrow_move_constructible_v)
+ (is_null_pointer_v, is_object_v, is_pod_v, is_pointer_v)
+ (is_polymorphic_v, is_reference_v, is_rvalue_reference_v)
+ (is_same_v, is_scalar_v, is_signed_v, is_standard_layout_v)
+ (is_trivially_assignable_v, is_trivially_constructible_v)
+ (is_trivially_copyable_v, is_trivially_copy_assignable_v)
+ (is_trivially_copy_constructible_v)
+ (is_trivially_default_constructible_v)
+ (is_trivially_destructible_v, is_trivially_move_assignable_v)
+ (is_trivially_move_constructible_v, is_trivial_v, is_union_v)
+ (is_unsigned_v, is_void_v, is_volatile_v, rank_v, as variadic):
+ Guard behind __cpp_lib_type_trait_variable_templates.
+ (has_unique_object_representations)
+ (has_unique_object_representations_v): Guard behind
+ __cpp_lib_has_unique_object_representation.
+ (is_aggregate): Guard behind __cpp_lib_is_aggregate.
+ (remove_cvref, remove_cvref_t): Guard behind
+ __cpp_lib_remove_cvref.
+ (type_identity, type_identity_t): Guard behind
+ __cpp_lib_type_identity.
+ (unwrap_reference, unwrap_reference_t, unwrap_ref_decay)
+ (unwrap_ref_decay_t): Guard behind __cpp_lib_unwrap_ref.
+ (is_bounded_array_v, is_unbounded_array_v, is_bounded_array)
+ (is_unbounded_array): Guard behind __cpp_lib_bounded_array_traits.
+ (is_scoped_enum, is_scoped_enum_v): Guard behind
+ __cpp_lib_is_scoped_enum.
+ (reference_constructs_from_temporary)
+ (reference_constructs_from_temporary_v): Guard behind
+ __cpp_lib_reference_from_temporary.
+ * include/std/tuple: Switch to bits/version.h for
+ __cpp_lib_{constexpr_tuple,tuple_by_type,apply_make_from_tuple}.
+ (get<T>): Guard behind __cpp_lib_tuple_by_type.
+ (apply): Guard behind __cpp_lib_apply.
+ (make_from_tuple): Guard behind __cpp_lib_make_from_tuple.
+ * include/std/syncstream: Switch to bits/version.h for
+ __cpp_lib_syncbuf. Guard header behind that FTM.
+ * include/std/string_view: Switch to bits/version.h for
+ __cpp_lib_{string_{view,contains},constexpr_string_view} and
+ __cpp_lib_starts_ends_with.
+ (basic_string_view::starts_with, basic_string_view::ends_with):
+ Guard behind __cpp_lib_starts_ends_with.
+ [C++23 && _GLIBCXX_HOSTED && !defined(__cpp_lib_string_contains)]:
+ Assert as impossible ithout a bug in C++23.
+ * include/std/string: Switch to bits/version.h for
+ __cpp_lib_erase_if.
+ (erase, erase_if): Guard behind __cpp_lib_erase_if.
+ * include/std/thread: Switch to bits/version.h for
+ __cpp_lib_jthread.
+ * include/std/stop_token: Switch to bits/version.h for
+ __cpp_lib_jthread.
+ * include/std/spanstream: Switch to bits/version.h for
+ __cpp_lib_spanstream. Guard header behind that FTM.
+ * include/std/span: Switch to bits/version.h for __cpp_lib_span.
+ Guard header behind that FTM.
+ * include/std/source_location: Switch to bits/version.h for
+ __cpp_lib_source_location. Guard header with that FTM.
+ * include/std/shared_mutex: Switch to bits/version.h for
+ __cpp_lib_shared{,_timed}_mutex.
+ (shared_mutex): Guard behind __cpp_lib_shared_mutex.
+ * include/std/semaphore: Switch to bits/version.h for
+ __cpp_lib_semaphore. Guard header behind that FTM.
+ * include/std/ranges: Switch to bits/version.h for
+ __cpp_lib_ranges_{zip,chunk{,_by},slide,join_with},
+ __cpp_lib_ranges_{repeat_stride,cartesian_product,as_rvalue},
+ and __cpp_lib_ranges_{as_const,enumerate,iota}.
+ (ranges::zip et al, ranges::chunk et al, ranges::slide et al)
+ (ranges::chunk_by et al, ranges::join_with et al)
+ (ranges::stride et al, ranges::cartesian_product et al)
+ (ranges::as_rvalue et al, ranges::as_const et al)
+ (ranges::enumerate et al): Guard behind appropriate FTM.
+ * include/std/optional: Switch to bits/version.h for
+ __cpp_lib_optional. Guard header behind that FTM.
+ * include/std/numeric: Switch to bits/version.h for
+ __cpp_lib_{gcd{,_lcm},lcm,constexpr_numeric,interpolate}
+ and __cpp_lib_parallel_algorithm.
+ (gcd, lcm): Guard behind __cpp_lib_gcd_lcm.
+ (midpoint): Guard behind __cpp_lib_interpolate.
+ * include/std/numbers: Switch to bits/version.h for
+ __cpp_lib_math_constants. Guard header behind that FTM.
+ * include/std/mutex: Switch to bits/version.h for
+ __cpp_lib_scoped_lock.
+ (scoped_Lock): Guard behind __cpp_lib_scoped_lock.
+ * include/std/memory_resource: Switch to bits/version.h for
+ __cpp_lib_{polymorphic_allocator,memory_resource}.
+ (synchronized_pool_resource): Guard behind
+ __cpp_lib_memory_resource >= 201603L.
+ (polymorphic_allocator): Guard behind
+ __cpp_lib_polymorphic_allocator.
+ * include/std/memory: Switch to bits/version.h for
+ __cpp_lib_{parallel_algorithm,atomic_value_initialization}.
+ * include/std/list: Switch to bits/version.h for
+ __cpp_lib_erase_if.
+ (erase, erase_if): Guard behind __cpp_lib_erase_if.
+ * include/std/latch: Switch to bits/version.h for __cpp_lib_latch.
+ Guard header behind that FTM.
+ * include/std/iterator: Switch to bits/version.h for
+ __cpp_lib_null_iterators.
+ * include/std/iomanip: Switch to bits/version.h for
+ __cpp_lib_quoted_string_io.
+ (quoted): Guard behind __cpp_lib_quoted_string_io.
+ * include/std/functional: Switch to bits/version.h for
+ __cpp_lib_{invoke{,_r},constexpr_functional,bind_front} and
+ __cpp_lib_{not_fn,booyer_moore_searcher}.
+ (invoke): Guard behind __cpp_lib_invoke.
+ (invoke_r): Guard behind __cpp_lib_invoke_r.
+ (bind_front): Guard behind __cpp_lib_bind_front.
+ (not_fn): Guard behind __cpp_lib_not_fn.
+ (boyer_moore_searcher, boyer_moore_horspool_searcher): Guard
+ definition behind __cpp_lib_boyer_moore_searcher.
+ * include/std/forward_list: Switch to bits/version.h for
+ __cpp_lib_erase_if.
+ (erase, erase_if): Guard behind __cpp_lib_erase_if.
+ * include/std/format: Switch to bits/version.h for
+ __cpp_lib_format. Guard header behind that FTM.
+ * include/std/filesystem: Switch to bits/version.h for
+ __cpp_lib_filesystem. Guard header behind that FTM.
+ * include/std/expected: Switch to bits/version.h for
+ __cpp_lib_expected. Guard header behind it.
+ * include/std/execution: Switch to bits/version.h for
+ __cpp_lib_{execution,parallel_algorithm}. Guard header behind
+ either.
+ * include/std/deque: Switch to bits/version.h for
+ __cpp_lib_erase_if.
+ (erase, erase_if): Guard behind __cpp_lib_erase_if.
+ * include/std/coroutine: Switch to bits/version.h for
+ __cpp_lib_coroutine. Guard header behind that FTM.
+ * include/std/concepts: Switch to bits/version.h for
+ __cpp_lib_concepts. Guard header behind that FTM.
+ * include/std/complex: Switch to bits/version.h for
+ __cpp_lib_{complex_udls,constexpr_complex}.
+ (operator""if, operator""i, operator""il): Guard behind
+ __cpp_lib_complex_udls.
+ * include/std/charconv: Swtich to bits/version.h for
+ __cpp_lib_{to_chars,constexpr_charconv}.
+ * include/std/bitset: Switch to bits/version.h for
+ __cpp_lib_constexpr_bitset.
+ * include/std/bit: Switch to bits/version.h for
+ __cpp_lib_{bit_cast,byteswap,bitops,int_pow2,endian}.
+ (bit_cast): Guard behind __cpp_lib_bit_cast.
+ (byteswap): Guard behind __cpp_lib_byteswap.
+ (rotl, rotr, countl_zero, countl_one, countr_zero, countr_one)
+ (popcount): Guard behind __cpp_lib_bitops.
+ (has_single_bit, bit_ceil, bit_floor, bit_width): Guard behind
+ __cpp_lib_int_pow2.
+ (endian): Guard behind __cpp_lib_endian.
+ * include/std/barrier: Switch to bits/version.h for
+ __cpp_lib_barrier. Guard header behind that FTM.
+ * include/std/atomic: Switch to bits/version.h for
+ __cpp_lib_atomic_{is_always_lock_free,float,ref}
+ and __cpp_lib_lock_free_type_aliases.
+ (*::is_always_lock_free): Guard behind
+ __cpp_lib_atomic_is_always_lock_free.
+ (atomic<float>): Guard behind __cpp_lib_atomic_float.
+ (atomic_ref): Guard behind __cpp_lib_atomic_ref.
+ (atomic_signed_lock_free, atomic_unsigned_lock_free): Guard behind
+ __cpp_lib_atomic_lock_free_type_aliases.
+ * include/std/array: Switch to bits/version.h for
+ __cpp_lib_to_array.
+ (to_array): Guard behind __cpp_lib_to_array.
+ * include/std/any: Switch to bits/version.h for __cpp_lib_any.
+ Guard header behind that FTM.
+ * include/std/algorithm: Switch to bits/version.h for
+ __cpp_lib_parallel_algorithm.
+ * include/c_global/cstddef: Switch to bits/version.h for
+ __cpp_lib_byte.
+ (byte): Guard behind __cpp_lib_byte.
+ * include/c_global/cmath: Switch to bits/version.h for
+ __cpp_lib_{hypot,interpolate}.
+ (hypot3): Guard behind __cpp_lib_hypot.
+ (lerp): Guard behind __cpp_lib_interpolate.
+ * include/c_compatibility/stdatomic.h: Switch to
+ bits/stl_version.h for __cpp_lib_atomic. Guard header behind that
+ FTM.
+ * include/bits/utility.h: Switch to bits/version.h for
+ __cpp_lib_{tuple_element_t,integer_sequence,ranges_zip}.
+ (tuple_element_t): Guard behind __cpp_lib_tuple_element_t.
+ (integer_sequence et al): Guard behind __cpp_lib_integer_sequence.
+ * include/bits/uses_allocator_args.h: Switch to bits/version.h for
+ __cpp_lib_make_obj_using_allocator. Guard header behind that FTM.
+ * include/bits/unordered_map.h: Switch to bits/version.h for
+ __cpp_lib_unordered_map_try_emplace.
+ (try_emplace): Guard behind __cpp_lib_unordered_map_try_emplace.
+ * include/bits/unique_ptr.h: Switch to bits/version.h for
+ __cpp_lib_{constexpr_memory,make_unique}.
+ (make_unique): Guard behind __cpp_lib_make_unique.
+ * include/bits/stl_vector.h: Switch to bits/version.h for
+ __cpp_lib_constexpr_vector.
+ * include/bits/stl_uninitialized.h: Switch to bits/version.h for
+ __cpp_lib_raw_memory_algorithms.
+ (uninitialized_default_construct)
+ (uninitialized_default_construct_n, uninitialized_move)
+ (uninitialized_move_n, uninitialized_value_construct)
+ (uninitialized_value_construct_n): Guard behind
+ __cpp_lib_raw_memory_algorithms.
+ * include/bits/stl_tree.h: Switch to bits/version.h for
+ __cpp_lib_generic_associative_lookup.
+ * include/bits/stl_stack.h: Switch to bits/version.h for
+ __cpp_lib_adaptor_iterator_pair_constructor.
+ (stack): Guard iterator-pair constructor behind
+ __cpp_lib_adaptor_iterator_pair_constructor.
+ * include/bits/stl_queue.h: Switch to bits/version.h for
+ __cpp_lib_adaptor_iterator_pair_constructor.
+ (queue): Guard iterator-pair constructor behind
+ __cpp_lib_adaptor_iterator_pair_constructor.
+ * include/bits/stl_pair.h: Switch to bits/version.h for
+ __cpp_lib_{concepts,tuples_by_type}.
+ (get): Guard type-getting overloads behind
+ __cpp_lib_tuples_by_type.
+ * include/bits/stl_map.h: Switch to bits/version.h for
+ __cpp_lib_map_try_emplace.
+ (map<>::try_emplace): Guard behind __cpp_lib_map_try_emplace.
+ * include/bits/stl_list.h: Switch to bits/version.h for
+ __cpp_lib_list_remove_return_type.
+ (__remove_return_type, _GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG)
+ [C++20]: guard behind __cpp_lib_list_remove_return_type instead.
+ * include/bits/stl_iterator.h: Switch to bits/version.h for
+ __cpp_lib_{constexpr_iterator,array_constexpr} and
+ __cpp_lib_{make_reverse_iterator,move_iterator_concept}.
+ (make_reverse_iterator): Guard behind
+ __cpp_lib_make_reverse_iterator.
+ (iterator_concept et al): Guard __cpp_lib_move_iterator_concept
+ changes behind that FTM.
+ * include/bits/stl_function.h: Switch to bits/version.h for
+ __cpp_lib_transparent_operators.
+ (equal_to, not_equal_to, greater, less, greater_equal)
+ (less_equal, bit_and, bit_or, bit_xor, bit_not, logical_and)
+ (logical_or, logical_not, plus, minus, multiplies, divides)
+ (modulus, negate): Guard '= void' fwdecls behind
+ __cpp_lib_transparent_operators.
+ (plus<void>, minus<void>, multiplies<void>, divides<void>)
+ (modulus<void>, negate<void>, logical_and<void>, logical_or<void>)
+ (logical_not<void>, bit_and<void>, bit_or<void>, bit_xor<void>)
+ (equal_to<void>, not_equal_to<void>, greater<void>, less<void>)
+ (greater_equal<void>, less_equal<void>, bit_not<void>)
+ (__has_is_transparent): Guard behind
+ __cpp_lib_transparent_operators.
+ * include/bits/stl_algobase.h: Switch to bits/version.h for
+ __cpp_lib_robust_nonmodifying_seq_ops.
+ (robust equal, mismatch): Guard behind
+ __cpp_lib_nonmember_container_access.
+ * include/bits/stl_algo.h: Swtich to bits/version.h for
+ __cpp_lib_{clamp,sample}.
+ (clamp): Guard behind __cpp_lib_clamp.
+ (sample): Guard behind __cpp_lib_sample.
+ * include/bits/specfun.h: Switch to bits/version.h for
+ __cpp_lib_math_special_functions and __STDCPP_MATH_SPEC_FUNCS__.
+ * include/bits/shared_ptr_base.h: Switch to bits/version.h for
+ __cpp_lib_{smart_ptr_for_overwrite,shared_ptr_arrays}.
+ (_Sp_overwrite_tag): Guard behind
+ __cpp_lib_smart_ptr_for_overwrite.
+ * include/bits/shared_ptr_atomic.h: Switch to bits/version.h for
+ __cpp_lib_atomic_shared_ptr.
+ * include/bits/shared_ptr.h: Switch to bits/version.h for
+ __cpp_lib_{enable_shared_from_this,shared_ptr_weak_type}.
+ (shared_ptr<T>::weak_type): Guard behind
+ __cpp_lib_shared_ptr_weak_type.
+ (enable_shared_from_this<T>::weak_from_this): Guard behind
+ __cpp_lib_enable_shared_from_this.
+ * include/bits/ranges_cmp.h: Switch to bits/version.h for
+ __cpp_lib_ranges.
+ * include/bits/ranges_algo.h: Switch to bits/version.h for
+ __cpp_lib_{shift,ranges_{contains,find_last,fold,iota}}.
+ * include/bits/range_access.h: Switch to bits/version.h for
+ __cpp_lib_nonmember_container_access
+ (size, empty, data): Guard behind
+ __cpp_lib_nonmember_container_access.
+ (ssize): Guard behind __cpp_lib_ssize.
+ * include/bits/ptr_traits.h: Switch to bits/version.h. for
+ __cpp_lib_{constexpr_memory,to_address}.
+ (to_address): Guard behind __cpp_lib_to_address.
+ * include/bits/node_handle.h: Switch to bits/version.h for
+ __cpp_lib_node_extract. Guard header behind that FTM.
+ * include/bits/move_only_function.h: Switch to bits/version.h for
+ __cpp_lib_move_only_function. Guard header behind that FTM.
+ * include/bits/move.h: Switch to bits/version.h for
+ __cpp_lib_addressof_constexpr.
+ * include/bits/ios_base.h: Switch to bits/version.h for
+ __cpp_lib_ios_noreplace.
+ (noreplace): Guard with __cpp_lib_ios_noreplace.
+ * include/bits/hashtable.h: Switch to bits/version.h for
+ __cpp_lib_generic_unordered_lookup.
+ (_M_equal_range_tr, _M_count_tr, _M_find_tr): Guard behind
+ __cpp_lib_generic_unordered_lookup.
+ * include/bits/forward_list.h: Switch to bits/version.h for
+ __cpp_lib_list_remove_return_type.
+ (__remove_return_type): Guard behind
+ __cpp_lib_list_remove_return_type.
+ * include/bits/erase_if.h: Switch to bits/version.h for
+ __cpp_lib_erase_if.
+ * include/bits/cow_string.h: Switch to bits/version.h for
+ __cpp_lib_constexpr_string.
+ * include/bits/chrono.h: Swtich to bits/version.h for
+ __cpp_lib_chrono{,_udls}.
+ (ceil): Guard behind __cpp_lib_chrono.
+ (operator""ns et al): Guard behind __cpp_lib_chrono_udls.
+ * include/bits/char_traits.h: Switch to bits/version.h for
+ __cpp_lib_constexpr_char_traits.
+ * include/bits/basic_string.h: Switch to bits/version.h for
+ __cpp_lib_{constexpr_string,string_{resize_and_overwrite,udls}}.
+ (resize_and_overwrite): Guard behind
+ __cpp_lib_string_resize_and_overwrite.
+ (operator""s): Guard behind __cpp_lib_string_udls.
+ * include/bits/atomic_wait.h: Switch to bits/version.h for
+ __cpp_lib_atomic_wait. Guard header behind that FTM.
+ * include/bits/atomic_base.h: Switch to bits/version.h for
+ __cpp_lib_atomic_value_initialization and
+ __cpp_lib_atomic_flag_test.
+ (atomic_flag::test): Guard behind __cpp_lib_atomic_flag_test,
+ rather than C++20.
+ * include/bits/allocator.h: Switch to bits/version.h for
+ __cpp_lib_incomplete_container_elements.
+ * include/bits/alloc_traits.h: Switch to using bits/version.h for
+ __cpp_lib_constexpr_dynamic_alloc and
+ __cpp_lib_allocator_traits_is_always_equal.
+ * include/bits/align.h: Switch to bits/version.h for defining
+ __cpp_lib_assume_aligned.
+ (assume_aligned): Guard with __cpp_lib_assume_aligned.
+ * include/bits/algorithmfwd.h: Switch to bits/version.h for
+ defining __cpp_lib_constexpr_algorithms.
+ * include/std/stacktrace: Switch to bits/version.h for
+ __cpp_lib_stacktrace. Guard header behind that FTM.
+ * testsuite/23_containers/array/tuple_interface/get_neg.cc:
+ Update line numbers.
+
+2023-08-16 Arsen Arsenović <arsen@aarsen.me>
+
+ * include/Makefile.am (bits_freestanding): Add version.h.
+ (allcreated): Add version.h.
+ (${bits_srcdir}/version.h): New rule. Regenerates
+ version.h out of version.{def,tpl}.
+ * include/Makefile.in: Regenerate.
+ * include/bits/version.def: New file. Declares a list of
+ all feature test macros, their values and their preconditions.
+ * include/bits/version.tpl: New file. Turns version.def
+ into a sequence of #if blocks.
+ * include/bits/version.h: New file. Generated from
+ version.def.
+ * include/std/version: Replace with a __glibcxx_want_all define
+ and bits/version.h include.
+
+2023-08-14 Paul Dreik <gccpatches@pauldreik.se>
+
+ PR libstdc++/110860
+ * include/std/format (__formatter_fp::format): Use frexp instead
+ of log10.
+
+2023-08-12 Ken Matsui <kmatsui@gcc.gnu.org>
+
+ * include/std/type_traits (true_type): Use __bool_constant
+ instead.
+ (false_type): Likewise.
+ (bool_constant): Likewise.
+
+2023-08-11 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110990
+ * include/std/format (_Seq_sink::get): Only call _M_overflow if
+ its precondition is met.
+ (_Iter_sink::_M_finish): Likewise.
+ (_Iter_sink<C, ContigIter>::_M_overflow): Only switch to the
+ internal buffer after running out of space.
+ (_Iter_sink<C, ContigIter>::_M_finish): Do not use _M_overflow.
+ (_Counting_sink::count): Likewise.
+ * testsuite/std/format/functions/format_to_n.cc: Check cases
+ where the output fits into the buffer.
+
+2023-08-11 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/104167
+ * include/bits/chrono_io.h (operator|=, operator|): Add noexcept
+ to _ChronoParts operators.
+ (from_stream, parse): Define new functions.
+ (__detail::_Parse, __detail::_Parser): New class templates.
+ * include/std/chrono (__cpp_lib_chrono): Define to 201907L for
+ C++20.
+ * include/std/version (__cpp_lib_chrono): Likewise.
+ * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc:
+ Adjust expected value of feature test macro.
+ * testsuite/20_util/duration/io.cc: Test parsing.
+ * testsuite/std/time/clock/file/io.cc: Likewise.
+ * testsuite/std/time/clock/gps/io.cc: Likewise.
+ * testsuite/std/time/clock/system/io.cc: Likewise.
+ * testsuite/std/time/clock/tai/io.cc: Likewise.
+ * testsuite/std/time/clock/utc/io.cc: Likewise.
+ * testsuite/std/time/day/io.cc: Likewise.
+ * testsuite/std/time/month/io.cc: Likewise.
+ * testsuite/std/time/month_day/io.cc: Likewise.
+ * testsuite/std/time/weekday/io.cc: Likewise.
+ * testsuite/std/time/year/io.cc: Likewise.
+ * testsuite/std/time/year_month/io.cc: Likewise.
+ * testsuite/std/time/year_month_day/io.cc: Likewise.
+ * testsuite/std/time/syn_c++20.cc: Check value of macro and for
+ the existence of parse and from_stream in namespace chrono.
+ * testsuite/std/time/clock/local/io.cc: New test.
+ * testsuite/std/time/parse.cc: New test.
+
+2023-08-11 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110860
+ * include/std/format (__formatter_fp::format): Do not call log10
+ with zero values.
+
+2023-08-11 Jonathan Wakely <jwakely@redhat.com>
+
+ * python/libstdcxx/v6/printers.py (StdChronoCalendarPrinter):
+ Check for out-of-range month an weekday indices.
+ * testsuite/libstdc++-prettyprinters/chrono.cc: Check invalid
+ month and weekday values.
+
+2023-08-11 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/stl_iterator.h (__clamped_iter_cat_t): Remove.
+
+2023-08-10 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110974
+ * include/std/format (_Spec::_S_parse_width_or_precision): Check
+ for empty range before dereferencing iterator.
+ * testsuite/std/format/string.cc: Check for expected exception.
+ Fix expected exception message in test_pr110862() and actually
+ call it.
+
+2023-08-10 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110968
+ * include/std/format (__formatter_fp::format): Check return
+ value of _M_localize.
+ * testsuite/std/format/functions/format.cc: Check classic
+ locale.
+
+2023-08-10 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110970
+ * include/bits/stl_iterator.h (__detail::__move_iter_cat): Use
+ __iter_category_t.
+ (iterator_traits<common_iterator<I, S>>::_S_iter_cat): Likewise.
+ (__detail::__basic_const_iterator_iter_cat): Likewise.
+ * include/bits/stl_iterator_base_types.h (__iterator_category_t):
+ Rename to __iter_category_t.
+
+2023-08-09 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/chrono.h (duration_cast): Do not use braces
+ around statements for C++11 constexpr rules.
+ * include/bits/stl_algobase.h (__lg): Rewrite as a single
+ statement for C++11 constexpr rules.
+ * include/experimental/bits/fs_path.h (path::string): Use
+ _GLIBCXX17_CONSTEXPR not _GLIBCXX_CONSTEXPR for 'if constexpr'.
+ * include/std/charconv (__to_chars_8): Initialize variable for
+ C++17 constexpr rules.
+
+2023-08-09 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/list.tcc (list::sort(Cmp)): Fix -Wsign-compare
+ warning for loop condition.
+
+2023-08-09 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/complex: Add diagnostic pragma for clang.
+
+2023-08-09 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/shared_ptr_atomic.h (atomic): Change class-head
+ to struct.
+ * include/bits/stl_tree.h (_Rb_tree_merge_helper): Change
+ class-head to struct in friend declaration.
+ * include/std/chrono (tzdb_list::_Node): Likewise.
+ * include/std/future (_Task_state_base, _Task_state): Likewise.
+ * include/std/scoped_allocator (__inner_type_impl): Likewise.
+ * include/std/valarray (_BinClos, _SClos, _GClos, _IClos)
+ (_ValFunClos, _RefFunClos): Change class-head to struct.
+
+2023-08-09 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/alloc_traits.h (allocate): Add [[maybe_unused]]
+ attribute.
+ * include/bits/regex_executor.tcc: Remove name of unused
+ parameter.
+ * include/bits/shared_ptr_atomic.h (atomic_is_lock_free):
+ Likewise.
+ * include/bits/stl_uninitialized.h: Likewise.
+ * include/bits/streambuf_iterator.h (operator==): Likewise.
+ * include/bits/uses_allocator.h: Likewise.
+ * include/c_global/cmath (isfinite, isinf, isnan): Likewise.
+ * include/std/chrono (zoned_time): Likewise.
+ * include/std/future (__future_base::_S_allocate_result):
+ Likewise.
+ (packaged_task): Likewise.
+ * include/std/optional (_Optional_payload_base): Likewise.
+ * include/std/scoped_allocator (__inner_type_impl): Likewise.
+ * include/std/tuple (_Tuple_impl): Likewise.
+
+2023-08-09 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/new_allocator.h (__new_allocator): Define copy
+ assignment operator as defaulted.
+ * include/std/complex (complex<float>, complex<double>)
+ (complex<long double>): Define copy constructor as defaulted.
+
+2023-08-09 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/format: Fix some warnings.
+ (__format::__write(Ctx&, basic_string_view<CharT>)): Remove
+ unused function template.
+
+2023-08-07 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110860
+ * include/std/format (__formatter_fp::format): Do not use
+ __builtin_abs and __builtin_log10 with arbitrary floating-point
+ types.
+
+2023-08-07 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110917
+ * include/std/format (__format::_Iter_sink<CharT, OutIter>):
+ Constrain partial specialization for contiguous iterators to
+ require the value type to be CharT.
+ * testsuite/std/format/functions/format_to.cc: New test.
+
+2023-08-07 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110862
+ * include/std/format (_Scanner::_M_on_replacement_field):
+ Check for expected '}' before incrementing iterator.
+ * testsuite/std/format/string.cc: Check "{0:{0}" format string.
+
+2023-08-07 Nick Alcock <nick.alcock@oracle.com>
+
+ * configure: Regenerate.
+
+2023-08-07 Alan Modra <amodra@gmail.com>
+
+ * configure: Regenerate.
+
+2023-08-07 Alexander von Gluck IV <kallisti5@unixzen.com>
+
+ * configure: Regenerate.
+
+2023-08-07 Nick Alcock <nick.alcock@oracle.com>
+
+ * configure: Regenerate.
+
+2023-08-07 Nick Alcock <nick.alcock@oracle.com>
+
+ * configure: Regenerate.
+
+2023-08-07 H.J. Lu <hjl.tools@gmail.com>
+
+ * configure: Regenerate.
+
+2023-08-07 H.J. Lu <hjl.tools@gmail.com>
+
+ * configure: Regenerate.
+
+2023-08-06 François Dumont <fdumont@gcc.gnu.org>
+
+ * config/abi/pre/gnu-versioned-namespace.ver: Add __cxa_call_terminate
+ symbol export.
+
+2023-07-30 François Dumont <fdumont@gcc.gnu.org>
+
+ * src/c++11/compatibility-ldbl-facets-aliases.h: Replace #define with
+ proper #error.
+ * src/c++11/locale-inst-monetary.h: Likewise.
+ * src/c++11/locale-inst-numeric.h: Likewise.
+
+2023-07-27 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/108046
+ * include/std/format (__formatter_fp::format): Ensure __expc is
+ always set for all presentation types. Set __z correctly for
+ zero precision.
+ * testsuite/std/format/functions/format.cc: Check problem cases.
+
+2023-07-26 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110807
+ * testsuite/23_containers/vector/bool/110807.cc: Require c++11.
+
+2023-07-26 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110807
+ * include/bits/stl_bvector.h (vector(const vector&)): Access
+ iterators before allocating.
+ * include/bits/vector.tcc (vector<bool>::_M_insert_range):
+ Likewise.
+ * testsuite/23_containers/vector/bool/110807.cc: New test.
+
+2023-07-26 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/algorithmfwd.h (random_shuffle): Add deprecated
+ attribute.
+ * include/bits/stl_algo.h (random_shuffle): Correct comments.
+ * testsuite/25_algorithms/random_shuffle/1.cc: Disable
+ deprecated warnings.
+ * testsuite/25_algorithms/random_shuffle/59603.cc: Likewise.
+ * testsuite/25_algorithms/random_shuffle/moveable.cc: Likewise.
+ * testsuite/25_algorithms/random_shuffle/deprecated.cc: New
+ test.
+
+2023-07-26 Nathaniel Shead <nathanieloshead@gmail.com>
+
+ * testsuite/25_algorithms/equal/constexpr_neg.cc: Update diagnostic
+ locations.
+ * testsuite/26_numerics/gcd/105844.cc: Likewise.
+ * testsuite/26_numerics/lcm/105844.cc: Likewise.
+
+2023-07-24 Deev Patel <pateldeev@nevada.unr.edu>
+
+ * include/std/format (_Formatting_scanner::_M_on_chars): Add
+ missing constexpr specifier.
+ (_Formatting_scanner::_M_format_arg): Likewise.
+
+2023-07-24 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110653
+ * include/bits/basic_string.h [!HAVE_STOF] (stof): Do not
+ throw an exception for zero result.
+ [HAVE_BROKEN_STRTOLD] (stold): Do not use strtold.
+
+2023-07-19 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110077
+ * src/c++17/floating_from_chars.cc (from_chars): Only define
+ _Float128 overload when using __strfromf128.
+
+2023-07-19 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110593
+ * include/bits/chrono.h (duration): Improve static assert
+ messages.
+ (__is_ratio): Move to ...
+ * include/std/ratio (__is_ratio): ... here.
+ (__is_ratio_v): New variable template and partial
+ specialization.
+ (__are_both_ratios): New function template.
+ (__ratio_multiply, ratio_equal, ratio_less, __ratio_add):
+ Add static assertion.
+ * testsuite/20_util/ratio/requirements/type_constraints.cc:
+ New test.
+ * testsuite/20_util/duration/requirements/typedefs_neg1.cc:
+ Adjust expected error.
+ * testsuite/20_util/duration/requirements/typedefs_neg2.cc:
+ Likewise.
+
+2023-07-19 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/chrono_io.h (__formatter_chrono::_M_format):
+ Do not set __is_neg for hh_mm_ss before calling
+ _M_format_to_ostream. Change __print_sign lambda to only check
+ __is_neg for durations and hh_mm_ss types.
+ (__formatter_chrono::_M_format_to_ostream): Only check __is_neg
+ for duration types.
+ * testsuite/std/time/hh_mm_ss/io.cc: Check negative values.
+
+2023-07-19 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110719
+ * include/bits/chrono_io.h (__formatter_chrono::_S_floor_seconds):
+ Handle duration and hh_mm_ss.
+ * testsuite/20_util/duration/io.cc: Check locale-specific
+ formats.
+ * testsuite/std/time/hh_mm_ss/io.cc: Likewise.
+
+2023-07-19 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/format (__write_padded): Initialize first element
+ of array to avoid a -Wmaybe-uninitialized warning.
+
+2023-07-19 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110719
+ * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Fix
+ allowed modifiers for %z and %Z. Fix -Wparentheses and
+ -Wnarrowing warnings.
+ (__formatter_chrono::_M_format): Call new functions for %d, %e,
+ %H, %I, %m and %M.
+ (__formatter_chrono::_M_c): Use _S_floor_seconds to remove
+ subsecond precision.
+ (__formatter_chrono::_M_C_y_Y): Use _M_locale_fmt to handle
+ modifiers.
+ (__formatter_chrono::_M_e): Replace with _M_d_e and use
+ _M_locale_fmt.
+ (__formatter_chrono::_M_I): Replace with _M_H_I and use
+ _M_locale_fmt.
+ (__formatter_chrono::_M_m): New function.
+ (__formatter_chrono::_M_M): New function.
+ (__formatter_chrono::_M_r): Use _M_locale_fmt.
+ (__formatter_chrono::_M_S): Likewise.
+ (__formatter_chrono::_M_u_w): Likewise.
+ (__formatter_chrono::_M_U_V_W): Likewise.
+ (__formatter_chrono::_M_X): Use _S_floor_seconds.
+ (__formatter_chrono::_M_Z): Fix untested branch for wchar_t.
+ (__formatter_chrono::_S_altnum): Remove function.
+ (__formatter_chrono::_S_dd_zero_fill): Remove function.
+ (__formatter_chrono::_S_floor_seconds): New function.
+ (__formatter_chrono::_M_locale_fmt): New function.
+ * testsuite/std/time/clock/system/io.cc: Adjust expected output
+ for locale-specific formats and check modified formats.
+ * testsuite/std/time/clock/utc/io.cc: Likewise.
+ * testsuite/std/time/zoned_time/io.cc: New test.
+
+2023-07-19 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110708
+ * include/bits/chrono_io.h (__formatter_chrono::_M_parse): Only
+ allow a single modifier.
+ * testsuite/std/time/format.cc: Check multiple modifiers.
+
+2023-07-19 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110653
+ * testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
+ Remove dg-require-string-conversions.
+ * testsuite/21_strings/basic_string/numeric_conversions/char/stof.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/char/stoi.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/char/stol.cc:
+ Likewise.
+ * testsuite/21_strings/basic_string/numeric_conversions/char/stoul.cc:
+ Likewise.
+
+2023-07-19 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110653
+ * include/bits/basic_string.h [!_GLIBCXX_HAVE_STRTOF] (stof):
+ Define in terms of std::stod.
+
+2023-07-19 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110653
+ * include/bits/basic_string.h [_GLIBCXX_HAVE_STRTOF] (stof):
+ Define.
+ [_GLIBCXX_HAVE_STRTOLD] (stold): Define.
+ * include/c_global/cstdlib [_GLIBCXX_HAVE_STRTOF] (strtof):
+ Declare in namespace std.
+ [_GLIBCXX_HAVE_STRTOLD] (strtold): Likewise.
+
+2023-07-13 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/110653
+ * include/bits/basic_string.h (stoi, stol, stoul, stod): Do not
+ depend on _GLIBCXX_USE_C99_STDLIB.
+ [__LONG_WIDTH__ == __LONG_LONG_WIDTH__] (stoll, stoull): Define
+ in terms of stol and stoul respectively.
+ [__DBL_MANT_DIG__ == __LDBL_MANT_DIG__] (stold): Define in terms
+ of stod.
+
2023-07-12 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/95048
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