+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/experimental/feat-cxx14.cc: Remove dependency on
+ _GLIBCXX_USE_C99_STDINT_TR1.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/21_strings/basic_string_view/typedefs.cc: Remove
+ dependency on _GLIBCXX_USE_C99_STDINT_TR1.
+ * testsuite/experimental/string_view/typedefs.cc: Likewise.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 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.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-06-26 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/iterator_concepts.h (projected): Replace class
+ template with alias template denoting an ADL-proofed helper.
+ (incremental_traits<projected<Iter, Proj>>): Remove.
+ * testsuite/24_iterators/indirect_callable/projected-adl.cc:
+ New test.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-04-27 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/40380
+ * include/bits/basic_string.h: Improve doxygen comments.
+ * include/bits/cow_string.h: Likewise.
+ * include/bits/forward_list.h: Likewise.
+ * include/bits/fs_dir.h: Likewise.
+ * include/bits/fs_path.h: Likewise.
+ * include/bits/quoted_string.h: Likewise.
+ * include/bits/stl_bvector.h: Likewise.
+ * include/bits/stl_map.h: Likewise.
+ * include/bits/stl_multimap.h: Likewise.
+ * include/bits/stl_multiset.h: Likewise.
+ * include/bits/stl_set.h: Likewise.
+ * include/bits/stl_vector.h: Likewise.
+ * include/bits/unordered_map.h: Likewise.
+ * include/bits/unordered_set.h: Likewise.
+ * include/std/filesystem: Likewise.
+ * include/std/iomanip: Likewise.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-11-19 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/ptr_traits.h (pointer_traits::pointer_to): Rename
+ parameter.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-11-21 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/tuple: Add better Doxygen comments.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-11-08 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/18_support/new_nothrow.cc: Add missing noexcept
+ to operator delete replacements.
+ * testsuite/20_util/any/cons/92156.cc: Disable
+ -Winit-list-lifetime warnings from instantiating invalid
+ specialization of manager function.
+ * testsuite/20_util/any/modifiers/92156.cc: Likewise.
+ * testsuite/20_util/default_delete/void_neg.cc: Prune additional
+ diagnostics.
+ * testsuite/20_util/headers/memory/synopsis.cc: Add missing
+ noexcept.
+ * testsuite/20_util/shared_ptr/cons/void_neg.cc: Prune
+ additional diagnostic.
+ * testsuite/20_util/unique_ptr/creation/for_overwrite.cc: Add
+ missing noexcept to operator delete replacements.
+ * testsuite/21_strings/basic_string/cons/char/103919.cc:
+ Likewise.
+ * testsuite/23_containers/map/modifiers/emplace/92300.cc:
+ Likewise.
+ * testsuite/23_containers/map/modifiers/insert/92300.cc:
+ Likewise.
+ * testsuite/24_iterators/headers/iterator/range_access_c++11.cc:
+ Add missing noexcept to synopsis declarations.
+ * testsuite/24_iterators/headers/iterator/range_access_c++14.cc:
+ Likewise.
+ * testsuite/24_iterators/headers/iterator/range_access_c++17.cc:
+ Likewise.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-09-21 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/20_util/headers/memory/synopsis.cc: Add declarations
+ from C++11 and later.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-11-08 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/stl_tempbuf.h (_Temporary_buffer): Disable
+ warnings about get_temporary_buffer being deprecated.
+ * include/ext/functional (mem_fun1, mem_fun1_ref): Disable
+ warnings about mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t and
+ const_mem_fun1_ref_t being deprecated.
+ * include/std/spanstream (basic_spanbuf::setbuf): Add assertion
+ and adjust to avoid narrowing warning.
+ * libsupc++/exception_ptr.h [!__cpp_rtti && !__cpp_exceptions]
+ (make_exception_ptr): Add missing inline specifier.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/doxygen/user.cfg.in (PREDEFINED): Define
+ _GTHREAD_USE_MUTEX_TIMEDLOCK macro.
+ * include/bits/std_mutex.h (mutex, lock_guard): Use @since and
+ @headerfile.
+ * include/bits/unique_lock.h (unique_lock): Likewise.
+ * include/std/mutex (recursive_mutex, timed_mutex)
+ (recursive_timed_mutex, scoped_lock): Likewise.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/doxygen/user.cfg.in (PREDEFINED): Define
+ _GLIBCXX23_CONSTEXPR macro.
+ * include/backward/auto_ptr.h (auto_ptr): Use @deprecated.
+ * include/bits/unique_ptr.h (default_delete): Use @since and
+ @headerfile.
+ * include/std/scoped_allocator: Remove @ingroup from @file
+ block.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/ostream_insert.h: Mark helper functions as
+ undocumented by Doxygen.
+ * include/bits/stl_algo.h: Use markdown for formatting and mark
+ helper functions as undocumented.
+ * include/bits/stl_numeric.h: Likewise.
+ * include/bits/stl_pair.h (pair): Add @headerfile.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/doxygen/user.cfg.in (PREDEFINED): Define __allocator_base
+ so that Doxygen shows the right base-class for std::allocator.
+ * include/bits/alloc_traits.h: Improve doxygen docs.
+ * include/bits/allocator.h: Likewise.
+ * include/bits/new_allocator.h: Likewise.
+ * include/ext/new_allocator.h: Likewise.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/doxygen/user.cfg.in (PREDEFINED): Define macro
+ _GLIBCXX_DOXYGEN_ONLY to expand its argument.
+ * include/bits/c++config (_GLIBCXX_DOXYGEN_ONLY): Define.
+ * include/bits/regex.h: Improve doxygen docs.
+ * include/bits/regex_constants.h: Likewise.
+ * include/bits/regex_error.h: Likewise.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/atomic: Suppress doxygen docs for
+ implementation details.
+ * include/bits/atomic_base.h: Likewise.
+ * include/bits/shared_ptr_atomic.h: Use markdown. Fix grouping
+ so that std::atomic is not added to the pointer abstractions
+ group.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-05-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * src/Makefile.am [ENABLE_SYMVERS_GNU_NAMESPACE] (cxx11_sources):
+ Do not build the compatibility*-c++0x.cc objects.
+ * src/Makefile.in: Regenerate.
+ * src/c++11/compatibility-c++0x.cc [_GLIBCXX_INLINE_VERSION]:
+ Refuse to build for the versioned namespace.
+ * src/c++11/compatibility-chrono.cc: Likewise.
+ * src/c++11/compatibility-condvar.cc: Likewise.
+ * src/c++11/compatibility-thread-c++0x.cc: Likewise.
+ * src/c++11/chrono.cc (system_clock, steady_clock):
+ Use macros to define in inline namespace _V2, matching the
+ declarations in <system_error>.
+ * src/c++11/system_error.cc (system_category, generic_category):
+ Likewise.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/doxygen/user.cfg.in (PREDEFINED): Expand new macros to
+ nothing.
+ * include/bits/c++config (_GLIBCXX_BEGIN_INLINE_ABI_NAMESPACE)
+ (_GLIBCXX_END_INLINE_ABI_NAMESPACE): Define new macros.
+ * include/bits/algorithmfwd.h (_V2::__rotate): Use new macros
+ for the namespace.
+ * include/bits/chrono.h (chrono::_V2::system_clock): Likewise.
+ * include/bits/stl_algo.h (_V2::__rotate): Likewise.
+ * include/std/condition_variable (_V2::condition_variable_any):
+ Likewise.
+ * include/std/system_error (_V2::error_category): Likewise.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/doxygen/user.cfg.in (GROUP_NESTED_COMPOUNDS): Set to NO.
+ (CLASS_DIAGRAMS): Remove obsolete option.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-06-27 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/fs_path.h (__is_path_iter_src): Replace class
+ template with variable template.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-09-26 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/ptr_traits.h (__ptr_traits_elem) [__cpp_concepts]:
+ Also define the __ptr_traits_elem class template for the
+ concepts case.
+ (pointer_traits<Ptr>): Remove constrained partial
+ specialization.
+ * testsuite/20_util/pointer_traits/lwg3545.cc: Check for
+ ambiguitiy with program-defined partial specialization.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-09-24 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/alloc_traits.h (allocator_traits::is_always_equal):
+ Only instantiate is_empty if needed.
+ * include/bits/ptr_traits.h (__ptr_traits_impl::difference_type)
+ (__ptr_traits_impl::rebind): Use __detected_or.
+ * include/experimental/type_traits (is_same_v): Add a partial
+ specialization instead of instantiating the std::is_same class
+ template.
+ (detected_t): Redefine in terms of detected_or_t.
+ (is_detected, is_detected_v): Redefine in terms of detected_t.
+ * include/std/type_traits [__cpp_concepts] (__detected_or): Add
+ new definition using concepts.
+ (__detector::value_t): Rename to __is_detected.
+ * testsuite/17_intro/names.cc: Check value_t isn't used.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-05-13 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/ptr_traits.h: Add some doxygen comments.
+
+2024-03-18 Xi Ruoyao <xry111@xry111.site>
+
+ Backported from master:
+ 2022-06-24 Xi Ruoyao <xry111@xry111.site>
+
+ * scripts/extract_symvers.in: Use grep -E instead of egrep.
+ * scripts/run_doxygen: Likewise.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-10-28 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/107376
+ * include/bits/regex_executor.h (_Executor::_Executor): Use same
+ allocator for _M_cur_results and _M_results.
+ * include/bits/regex_executor.tcc (_Executor::_M_main_dispatch):
+ Prevent possibly incorrect allocator propagating to
+ _M_cur_results.
+ * testsuite/28_regex/algorithms/regex_match/107376.cc: New test.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-02-02 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/sstream (basic_stringbuf::view): Define for old
+ std::string ABI.
+ (basic_istringstream::view, basic_stringstream::view)
+ (basic_stringstream::view): Likewise.
+ * testsuite/27_io/basic_istringstream/view/char/1.cc: Remove
+ { dg-require-effective-target cxx11_abi }.
+ * testsuite/27_io/basic_istringstream/view/wchar_t/1.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/view/char/1.cc: Likewise.
+ * testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc: Likewise.
+ * testsuite/27_io/basic_stringstream/view/char/1.cc: Likewise.
+ * testsuite/27_io/basic_stringstream/view/wchar_t/1.cc:
+ Likewise.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 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.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 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.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 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.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-09-15 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/111172
+ * include/std/variant (get<T>): Remove !is_void static
+ assertions.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 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.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2024-02-29 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/113960
+ * include/bits/stl_algobase.h (__is_byte_iter): Replace with ...
+ (__memcmp_ordered_with): New concept.
+ (lexicographical_compare_three_way): Use __memcmp_ordered_with
+ instead of __is_byte_iter. Use correct length for memcmp.
+ * testsuite/25_algorithms/lexicographical_compare_three_way/113960.cc:
+ New test.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/108846
+ * include/bits/stl_algobase.h (__copy_move<false, false, RA>)
+ Add __assign_one static member function.
+ (__copy_move<true, false, RA>): Likewise.
+ (__copy_move<IsMove, true, RA>): Do not use memmove for a single
+ value.
+ (__copy_move_backward<IsMove, true, RA>): Likewise.
+ * testsuite/25_algorithms/copy/108846.cc: New test.
+ * testsuite/25_algorithms/copy_backward/108846.cc: New test.
+ * testsuite/25_algorithms/copy_n/108846.cc: New test.
+ * testsuite/25_algorithms/move/108846.cc: New test.
+ * testsuite/25_algorithms/move_backward/108846.cc: New test.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/stream_iterator.h (istream_iterator): Add
+ constexpr to copy constructor, as per LWG 3600.
+ * testsuite/24_iterators/istream_iterator/cons/constexpr.cc:
+ Check copy construction.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/regex.h (match_results): Add allocator-extended
+ copy and move constructors, as per LWG 2195.
+ * testsuite/28_regex/match_results/ctors/char/alloc.cc: New test.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-02-28 Jonathan Wakely <jwakely@redhat.com>
+
+ * src/c++11/codecvt.cc: Add [[likely]] and [[unlikely]]
+ attributes.
+
+2024-03-18 Dimitrij Mijoski <dmjpp@hotmail.com>
+
+ Backported from master:
+ 2023-01-13 Dimitrij Mijoski <dmjpp@hotmail.com>
+
+ PR libstdc++/86419
+ * src/c++11/codecvt.cc (read_utf8_code_point): Correctly detect
+ errors in incomplete multibyte sequences.
+ (utf16_in): Remove surrogates parameter. Fix conditions for
+ returning partial.
+ (utf16_out): Fix condition for returning partial.
+ (ucs2_in): Do not pass surrogates argument to utf16_in.
+ * testsuite/22_locale/codecvt/codecvt_unicode.cc: New test.
+ * testsuite/22_locale/codecvt/codecvt_unicode.h: New header for
+ tests.
+ * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: New
+ test.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 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.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-05-11 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/109758
+ * include/bits/std_abs.h (abs(__float128)): Handle negative NaN
+ and negative zero correctly.
+ * testsuite/26_numerics/headers/cmath/109758.cc: New test.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-05-12 Jonathan Wakely <jwakely@redhat.com>
+
+ * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Use a non-null pointer
+ to check for nan, nanf, and nanl.
+ * configure: Regenerate.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-05-31 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/scoped_allocator (scoped_allocator_adaptor): Add
+ noexcept to all constructors except the default constructor.
+ (scoped_allocator_adaptor::inner_allocator): Add noexcept.
+ (scoped_allocator_adaptor::outer_allocator): Likewise.
+ * testsuite/20_util/scoped_allocator/noexcept.cc: New test.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-06-01 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
+ Add const to equality operator.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-06-09 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/23_containers/deque/modifiers/emplace/52799.cc:
+ Removed.
+ * testsuite/23_containers/deque/modifiers/emplace/const_iterator.cc:
+ Removed.
+ * testsuite/23_containers/list/modifiers/emplace/52799.cc:
+ Removed.
+ * testsuite/23_containers/list/modifiers/emplace/const_iterator.cc:
+ Removed.
+ * testsuite/23_containers/vector/modifiers/emplace/52799.cc:
+ Removed.
+ * testsuite/23_containers/vector/modifiers/emplace/const_iterator.cc:
+ Removed.
+ * testsuite/23_containers/deque/modifiers/emplace/1.cc: New
+ test.
+ * testsuite/23_containers/list/modifiers/emplace/1.cc: New
+ test.
+ * testsuite/23_containers/vector/modifiers/emplace/1.cc: New
+ test.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-07-03 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/alloc_traits.h (_Destroy): Qualify call.
+ * include/bits/stl_construct.h (_Destroy, _Destroy_n): Likewise.
+ * testsuite/23_containers/vector/cons/destroy-adl.cc: New test.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 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.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 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.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 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.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-03-22 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/basic_string.tcc (basic_string::resize_and_overwrite):
+ Pass rvalues to the callback, as now allowed by LWG 3645.
+ Enforce preconditions on the return value.
+ * testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
+ Adjust.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 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/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.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-09-08 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/xml/manual/test.xml: Update reference to -std=gnu++14 as
+ the default.
+ * doc/html/manual/test.html: Regenerate.
+
+2024-03-18 Alexey Lapshin <alexey.lapshin@espressif.com>
+
+ Backported from master:
+ 2023-09-08 Alexey Lapshin <alexey.lapshin@espressif.com>
+
+ * src/libbacktrace/Makefile.am: Remove -Werror.
+ * src/libbacktrace/Makefile.in: Regenerate.
+
+2024-03-18 Nathaniel Shead <nathanieloshead@gmail.com>
+
+ Backported from master:
+ 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.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-11-02 Jonathan Wakely <jwakely@redhat.com>
+
+ * acinclude.m4 (GLIBCXX_ENABLE_C99): Fix snprintf checks.
+ * configure: Regenerate.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 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.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 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.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2023-11-23 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/util/testsuite_allocator.h (uneq_allocator): Fix
+ equality operator for heterogeneous comparisons.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2024-03-14 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/66146
+ * doc/xml/manual/status_cxx2011.xml: Remove mention of Linux in
+ note about std::call_once.
+ * doc/xml/manual/status_cxx2014.xml: Likewise.
+ * doc/xml/manual/status_cxx2017.xml: Likewise.
+ * doc/html/manual/status.html: Regenerate.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2024-03-13 Jonathan Wakely <jwakely@redhat.com>
+
+ * testsuite/libstdc++-prettyprinters/cxx11.cc: Move custom_cat
+ to namespace scope.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2024-02-28 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/xml/manual/appendix_contributing.xml: Change URLs to use
+ https.
+ * doc/html/manual/*: Regenerate.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2024-02-28 Jonathan Wakely <jwakely@redhat.com>
+
+ * doc/xml/manual/appendix_contributing.xml: Replace outdated
+ info on ChangeLog entries.
+ * doc/html/manual/appendix_contributing.html: Regenerate.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2022-11-04 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/107500
+ * libsupc++/eh_globals.cc (eh_globals): Remove immortalizing
+ wrapper.
+ (__cxxabiv1::__cxa_get_globals_fast): Adjust.
+ (__cxxabiv1::__cxa_get_globals): Adjust.
+
+2024-03-18 Jonathan Wakely <jwakely@redhat.com>
+
+ Backported from master:
+ 2024-03-04 Jonathan Wakely <jwakely@redhat.com>
+
+ PR libstdc++/114147
+ * include/std/tuple (tuple::tuple(allocator_arg_t, const Alloc&)):
+ Add missing overload of allocator-extended default constructor.
+ (tuple<T1,T2>::tuple(allocator_arg_t, const Alloc&)): Likewise.
+ * testsuite/20_util/tuple/cons/114147.cc: New test.
+
2024-03-13 Cassio Neri <cassio.neri@gmail.com>
Backported from master:
projects / thirdparty / gcc.git / commitdiff
