blob: c26a5b9995391634cc489fa93ff2f2529c8722fc [file] [log] [blame]
2025-04-08 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/119671
* include/std/format (__formatter_fp::format): Do not invalidate
__wstr unless _M_localized returns a valid string.
* testsuite/std/format/functions/format.cc: Check wide string
formatting of floating-point types with classic locale.
2025-04-07 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/119642
* include/bits/formatfwd.h: Remove stray pragma.
2025-04-07 Jonathan Wakely <jwakely@redhat.com>
* include/precompiled/stdc++.h: Include <stdbit.h> and
<stdckdint.h>. Include <stacktrace> unconditionally.
2025-04-07 Jonathan Wakely <jwakely@redhat.com>
* doc/doxygen/user.cfg.in (INPUT): Add flat_map, flat_set,
text_encoding, stdbit.h and stdckdint.h.
2025-04-07 Thomas Schwinge <tschwinge@baylibre.com>
PR target/119645
* acinclude.m4 (GLIBCXX_ENABLE_LOCK_POLICY) [GCN, nvptx]:
Hard-code results.
* configure: Regenerate.
* configure.host [GCN, nvptx] (atomicity_dir): Set to
'cpu/generic/atomicity_builtins'.
2025-04-04 Patrick Palka <ppalka@redhat.com>
PR libstdc++/119620
* include/std/flat_set (_Flat_set_impl::_M_try_emplace): Split
out into two overloads, one taking at least one argument and one
taking zero arguments. Turn __k into an auto&& reference bound
to __arg if it's already a value_type and otherwise bound to a
lifetime-extended value_type temporary.
* testsuite/23_containers/flat_multiset/1.cc (test08): New test.
* testsuite/23_containers/flat_set/1.cc (test08): New test.
2025-04-04 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/101587
* include/bits/ranges_uninitialized.h (__detail::__mindist):
Remove.
(ranges::uninitialized_copy, ranges::uninitialized_copy_n)
(ranges::uninitialized_move, ranges::uninitialized_move_n): Use
comparison and assignment instead of __mindist.
* testsuite/20_util/specialized_algorithms/uninitialized_copy/constrained.cc:
Check with ranges that use integer-like class type for
difference type.
* testsuite/20_util/specialized_algorithms/uninitialized_move/constrained.cc:
Likewise.
2025-04-04 Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/109162
* include/Makefile.am: Add bits/formatfwd.h.
* include/Makefile.in: Add bits/formatfwd.h.
* include/bits/version.def: Define __glibcxx_format_ranges without
corresponding std name.
* include/bits/version.h: Regenerate.
* include/std/format (basic_format_context, __format::__char):
Move declartions to bits/formatfwd.h.
(formatter<_Tp, _CharT>): Remove default argument for _CharT
parameter, now specified in forward declaration in bits/formatfwd.h.
* include/std/vector (formatter<_Bit_reference, _CharT>): Define.
* include/bits/formatfwd.h: New file with forward declarations
for bits of std/format.
* testsuite/23_containers/vector/bool/format.cc: New test.
2025-04-04 Jonathan Wakely <jwakely@redhat.com>
* include/bits/basic_string.h: Check __glibcxx_string_view and
__glibcxx_variant instead of __cplusplus >= 2017L.
* include/bits/cow_string.h: Likewise.
2025-04-04 Jonathan Wakely <jwakely@redhat.com>
* include/bits/basic_string.tcc: Fix whitespace.
2025-04-04 Arsen Arsenović <arsen@aarsen.me>
* include/bits/version.tpl: Implement no_stdname.
* include/bits/version.def: Document no_stdname.
2025-04-03 Thomas Schwinge <tschwinge@baylibre.com>
* config/cpu/nvptx/t-nvptx: Remove.
* configure.host [nvptx]: Adjust.
2025-04-03 Thomas Schwinge <tschwinge@baylibre.com>
PR target/119573
* config/cpu/nvptx/t-nvptx (AM_MAKEFLAGS): Don't amend.
2025-04-03 Tomasz Kamiński <tkaminsk@redhat.com>
* testsuite/std/format/functions/format.cc: Restored line.
2025-04-03 Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/119593
* include/bits/unicode.h
(__unicode::__literal_encoding_is_unicode<_CharT>):
Corrected handing for UTF-16 and UTF-32 with "LE" or "BE" suffix.
* include/std/format (__formatter_str::_S_character_width):
Define.
(__formatter_str::_S_character_width): Updated passed char
length.
* testsuite/std/format/functions/format.cc: Test for wchar_t.
2025-04-02 John David Anglin <danglin@gcc.gnu.org>
* config/os/hpux/os_defines.h: Only use long long when
__cplusplus >= 201103L.
2025-04-02 Iain Sandoe <iain@sandoe.co.uk>
* testsuite/lib/prune.exp: Prune ld warning about duplicatei
rpaths.
2025-04-01 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/114945
* include/bits/vector.tcc (vector::_M_default_append): Add
unreachable condition so the compiler knows that _M_finish is
not null.
* testsuite/23_containers/vector/capacity/114945.cc: New test.
2025-04-01 Thomas Schwinge <tschwinge@baylibre.com>
PR target/119369
* config/cpu/gcn/cpu_defines.h: New.
* configure.host [GCN] (cpu_defines_dir): Point to it.
2025-03-31 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/110498
* include/bits/vector.tcc (vector<bool, A>::_M_reallocate):
Hoist loads of begin() and end() before allocation and use them
to state an unreachable condition.
* testsuite/23_containers/vector/bool/capacity/110498.cc: New
test.
2025-03-31 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/114758
* include/bits/vector.tcc (vector<bool, A>::_M_fill_insert):
Hoist loads of begin() and end() before allocation.
* testsuite/23_containers/vector/bool/capacity/114758.cc: New
test.
2025-03-31 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/119550
* acinclude.m4 (GLIBCXX_STRUCT_TM_TM_ZONE): New macro.
* config.h.in: Regenerate.
* configure: Regenerate.
* configure.ac: Use GLIBCXX_STRUCT_TM_TM_ZONE.
* include/bits/chrono_io.h (__formatter_chrono::_M_c): Check
_GLIBCXX_USE_STRUCT_TM_TM_ZONE instead of
_GLIBCXX_HAVE_STRUCT_TM_TM_ZONE.
2025-03-31 Jonathan Wakely <jwakely@redhat.com>
* config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make
std::basic_string::_M_construct patterns more precise.
2025-03-31 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/119545
* include/std/tuple (operator==): Convert comparison results to
bool.
* testsuite/20_util/tuple/comparison_operators/119545.cc: New
test.
2025-03-31 Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/119517
* include/bits/chrono_io.h (formatter):
Add __format::__char for _CharT and adjust parse and format
method signatures.
* testsuite/std/time/format/pr119517.cc: New test.
2025-03-31 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/103827
PR tree-optimization/80331
PR tree-optimization/87502
* config/abi/pre/gnu.ver (GLIBCXX_3.4.34): Use [jmy] rather than m
in pattern for _M_construct<bool>(char const*, size_t).
2025-03-30 Jan Hubicka <hubicka@ucw.cz>
PR tree-optimization/103827
PR tree-optimization/80331
PR tree-optimization/87502
* config/abi/pre/gnu.ver: Add version for _M_construct<bool>
* include/bits/basic_string.h: (basic_string::_M_construct<bool>): Declare.
(basic_string constructors): Use it.
* include/bits/basic_string.tcc: (basic_string::_M_construct<bool>): New template.
* src/c++11/string-inst.cc: Instantated S::_M_construct<bool>.
2025-03-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/117983
* testsuite/23_containers/vector/modifiers/insert/117983.cc: New
test.
2025-03-28 David Malcolm <dmalcolm@redhat.com>
* testsuite/17_intro/shared_with_static_deps.cc: Fix malformed
dg-require-static-libstdcxx directive.
* testsuite/17_intro/static.cc: Likewise.
* testsuite/18_support/type_info/110572.cc: Likewise.
* testsuite/20_util/to_chars/4.cc: Likewise.
* testsuite/std/time/tzdb_list/pr118811.cc: Likewise.
2025-03-27 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/101587
* include/bits/ranges_uninitialized.h (__detail::__mindist):
New function object.
(ranges::uninitialized_copy, ranges::uninitialized_copy_n)
(ranges::uninitialized_move, ranges::uninitialized_move_n): Use
__mindist instead of std::min.
* testsuite/20_util/specialized_algorithms/uninitialized_copy/constrained.cc:
Check ranges with difference difference types.
* testsuite/20_util/specialized_algorithms/uninitialized_move/constrained.cc:
Likewise.
2025-03-27 Jonathan Wakely <jwakely@redhat.com>
* include/bits/chrono_io.h (__formatter_chrono::_M_c): Use
const_cast when setting tm.tm_zone.
2025-03-27 Jonathan Wakely <jwakely@redhat.com>
* src/c++20/tzdata.zi: Import new file from 2025b release.
2025-03-27 Sam James <sam@gentoo.org>
* testsuite/std/format/string_neg.cc: Add missing brace for dg-error.
2025-03-27 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
PR libstdc++/119488
* include/bits/version.def (constexpr_algorithms): Bump
the feature-testing macro.
* include/bits/version.h: Regenerate.
* testsuite/25_algorithms/cpp_lib_constexpr.cc: Test the
bumped value for the feature-testing macro.
2025-03-27 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
* include/bits/algorithmfwd.h (stable_partition): Mark it
as constexpr for C++26.
* include/bits/ranges_algo.h (__stable_partition_fn): Likewise.
* include/bits/stl_algo.h (stable_partition): Mark it as
constexpr for C++26; during constant evaluation use a new
codepath where a temporary buffer of 1 element is used.
* testsuite/25_algorithms/headers/algorithm/synopsis.cc
(stable_partition): Add constexpr.
* testsuite/25_algorithms/stable_partition/constexpr.cc: New test.
2025-03-27 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
* include/bits/algorithmfwd.h (inplace_merge): Mark it as
constexpr for C++26.
* include/bits/ranges_algo.h (__inplace_merge_fn): Likewise.
* include/bits/stl_algo.h (inplace_merge): Mark it as constexpr;
during constant evaluation, dispatch to the non-allocating
codepath.
* testsuite/25_algorithms/headers/algorithm/synopsis.cc
(inplace_merge): Add constexpr.
* testsuite/25_algorithms/inplace_merge/constexpr.cc: New test.
2025-03-27 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/119469
* include/bits/iterator_concepts.h (_IterMove::__result): Use
decltype-specifier instead of an explicit type.
* testsuite/24_iterators/customization_points/iter_move.cc:
Check results for function references.
2025-03-26 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
* include/bits/version.def (constexpr_algorithms): Change
the value of the feature-testing macro.
* include/bits/version.h: Regenerate.
* testsuite/25_algorithms/cpp_lib_constexpr.cc: Amend the
check of the feature-testing macro.
2025-03-26 Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/119415
* include/std/flat_set (_Flat_set_impl:insert_range):
Replace __detail::__cpp17_input_iterator with __has_input_iter_cat.
* testsuite/23_containers/flat_multiset/1.cc: New tests
* testsuite/23_containers/flat_set/1.cc: New tests
2025-03-26 Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/111055
* include/bits/deque.tcc (deque::prepend_range, deque::append_range)
(deque::insert_range, __advance_dist): Define.
(deque::_M_range_prepend, deque::_M_range_append):
Extract from _M_range_insert_aux for _ForwardIterator(s).
* include/bits/stl_deque.h (deque::assign_range): Define.
(deque::prepend_range, deque::append_range, deque::insert_range):
Declare.
(deque(from_range_t, _Rg&&, const allocator_type&)): Define constructor
and deduction guide.
* include/debug/deque (deque::prepend_range, deque::append_range)
(deque::assign_range): Define.
(deque(from_range_t, _Rg&&, const allocator_type&)): Define constructor
and deduction guide.
* testsuite/23_containers/deque/cons/from_range.cc: New test.
* testsuite/23_containers/deque/modifiers/append_range.cc: New test.
* testsuite/23_containers/deque/modifiers/assign/assign_range.cc:
New test.
* testsuite/23_containers/deque/modifiers/prepend_range.cc: New test.
* testsuite/23_containers/deque/modifiers/insert/insert_range.cc: New file.
2025-03-25 Jonathan Wakely <jwakely@redhat.com>
* include/std/ranges (ranges::to): Allow unions as well as
non-union class types.
* testsuite/std/ranges/conv/lwg4229.cc: New test.
2025-03-25 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/108487
* include/bits/stl_vector.h (vector(initializer_list)): Call
_M_range_initialize_n instead of _M_range_initialize.
(vector(InputIterator, InputIterator)): Use _M_range_initialize_n
for C++20 sized sentinels and forward iterators.
(vector(from_range_t, R&&)): Use _M_range_initialize_n for sized
ranges and forward ranges.
(vector::_M_range_initialize(FwIt, FwIt, forward_iterator_tag)):
Likewise.
(vector::_M_range_initialize_n): New function.
* testsuite/23_containers/vector/cons/108487.cc: New test.
2025-03-25 Jonathan Wakely <jwakely@redhat.com>
* include/debug/vector (vector::assign_range): Use change in
capacity to detect reallocation.
(vector::insert_range, vector::append_range): Likewise. Remove
unused variables.
2025-03-25 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_bvector.h (vector::assign_range): More
efficient implementation for forward/sized ranges.
(vector::append_range): Handle potentially overlapping range.
* include/bits/stl_vector.h (vector(from_range_t, R&&, Alloc)):
Do not use append_range for non-sized input range case.
(vector::append_range): Handle potentially overlapping range.
* include/bits/vector.tcc (vector::insert_range): Forward range
instead of moving it.
* testsuite/23_containers/vector/bool/modifiers/insert/append_range.cc:
Test overlapping ranges.
* testsuite/23_containers/vector/modifiers/append_range.cc:
Likewise.
2025-03-25 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/118699
* testsuite/27_io/filesystem/operations/copy.cc: Check copying a
file to a directory.
2025-03-25 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/119429
* include/std/format (__format::_Scanner::_Scanner): Cast
default argument to size_t.
2025-03-25 Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/119415
* include/std/flat_set (_Flat_set_impl:insert_range):
Add __detail::__cpp17_input_iterator check.
* testsuite/23_containers/flat_multiset/1.cc: New tests
* testsuite/23_containers/flat_set/1.cc: New tests
2025-03-24 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/policy_data_structures_biblio.xml: Fix two
broken links.
* doc/html/manual/policy_data_structures.html: Regenerate.
2025-03-24 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/101527
* testsuite/24_iterators/common_iterator/101527.cc: New test.
* testsuite/24_iterators/counted_iterator/101527.cc: New test.
2025-03-24 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_bvector.h (vector<bool, A>): Enforce the
C++20 requirement that the allocator's value_type matches the
container.
* testsuite/23_containers/vector/bool/cons/from_range.cc: Fix
incorrect allocator type.
2025-03-21 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/117214
* configure.ac: Use AC_STRUCT_TIMEZONE.
* config.h.in: Regenerate.
* configure: Regenerate.
* include/bits/chrono_io.h (__formatter_chrono::_M_c): Set
tm_isdst and tm_zone.
* testsuite/std/time/format/pr117214.cc: Check %c formatting of
zoned_time and local time.
2025-03-21 XU Kailiang <xu2k3l4@outlook.com>
Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/117214
* include/bits/chrono_io.h (__formatter_chrono::_M_c): Use
_M_locale_fmt to format %c time point.
* testsuite/std/time/format/pr117214.cc: New test.
2025-03-21 Jonathan Wakely <jwakely@redhat.com>
* include/bits/chrono_io.h (__formatter_chrono::_M_locale_fmt):
Imbue locale into ostringstream.
* testsuite/std/time/format/localized.cc: Check that correct
locale is used for call to time_put::put.
2025-03-21 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_vector.h (vector(from_range_t, Alloc)): Use
delegating constructor instead of RAII guards. Use append_range
for unsized input range case.
2025-03-21 Jonathan Wakely <jwakely@redhat.com>
* src/c++23/std.compat.cc.in: Only export <stdbit.h> and
<stdckdint.h> contents for C++26 and later.
2025-03-21 Jonathan Wakely <jwakely@redhat.com>
* src/c++23/std.cc.in (tuple_element, tuple_element_t)
(tuple_size, tuple_size_v, get): Export.
(ranges::cache_latest_view, views::cache_latest): Export.
(ranges::to_input_view, views::to_input): Export.
(from_range_t, from_range): Export.
2025-03-20 Tomasz Kamiński <tkaminsk@redhat.com>
* include/debug/unordered_map (unordered_map): Add from_range
constructors and deduction guides.
(unordered_multimap): Likewise.
* include/debug/unordered_set (unordered_set): Add from_range
constructors and deduction guides.
(unordered_multiset): Likewise.
2025-03-20 Jonathan Wakely <jwakely@redhat.com>
* include/debug/map.h (map): Add from_range constructors and
deduction guides.
* include/debug/multimap.h (multimap): Likewise.
* include/debug/multiset.h (multiset): Likewise.
* include/debug/set.h (set): Likewise.
2025-03-20 Jakub Jelinek <jakub@redhat.com>
* testsuite/18_support/numeric_limits/traps.cc (main): Fix comment
typo.
2025-03-19 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/test.xml: Fix default for -std option.
* doc/html/manual/test.html: Regenerate.
2025-03-19 Jonathan Wakely <jwakely@redhat.com>
* include/bits/locale_facets_nonio.tcc (time_put::do_put): Fix
typo in comment.
2025-03-19 François Dumont <frs.dumont@gmail.com>
* testsuite/23_containers/set/requirements/explicit_instantiation/alloc_ptr.cc:
Activate the template member tests involving __cpp_lib_ranges_to_container
support.
2025-03-19 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/stdbit/1.cc: Include <climits> instead of
<limits.h>.
2025-03-19 Tomasz Kamiński <tkaminsk@redhat.com>
* include/bits/ranges_base.h (__detail::__range_key_type):
Replace RV::first_type with tuple_element_t<0, RV>.
(__detail::__range_mapped_type) Replace RV::second_type
with tuple_element_t<1, RV>.
* testsuite/23_containers/flat_map/1.cc: New tests.
* testsuite/23_containers/flat_multimap/1.cc: New tests.
* testsuite/23_containers/map/cons/from_range.cc: New tests.
* testsuite/23_containers/multimap/cons/from_range.cc: New tests.
* testsuite/23_containers/unordered_map/cons/from_range.cc: New tests.
* testsuite/23_containers/unordered_multimap/cons/from_range.cc:
New tests.
2025-03-19 Tomasz Kamiński <tkaminsk@redhat.com>
* include/bits/unordered_map.h
(unordered_map(from_range_t, _Rg&&, const allocator_type&))
(unordered_multimap(from_range_t, _Rg&&, const allocator_type&)):
Define.
* include/bits/unordered_set.h
(unordered_set(from_range_t, _Rg&&, const allocator_type&))
(unordered_multiset(from_range_t, _Rg&&, const allocator_type&)):
Define.
* testsuite/23_containers/unordered_map/cons/from_range.cc: New tests.
New tests.
* testsuite/23_containers/unordered_multimap/cons/from_range.cc:
New tests.
* testsuite/23_containers/unordered_multiset/cons/from_range.cc:
New tests.
* testsuite/23_containers/unordered_set/cons/from_range.cc: New tests.
* testsuite/std/ranges/conv/1.cc: New tests.
2025-03-19 Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/119358
* include/bits/unordered_map.h (unordered_multimap::insert_range):
Cast ranges::distance to size_type before passing to _M_rehash_insert.
* include/bits/unordered_set.h (unordered_multiset::insert_range):
Same as unordered_multimap::insert_range.
* testsuite/23_containers/unordered_multimap/cons/from_range.cc:
New tests.
* testsuite/23_containers/unordered_multiset/cons/from_range.cc:
New tests.
2025-03-18 Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/111055
* include/bits/unordered_map.h (unordered_map): Define from_range
constructors and insert_range member.
(unordered_multimap): Likewise.
* testsuite/23_containers/unordered_multimap/cons/from_range.cc:
New test.
* testsuite/23_containers/unordered_multimap/modifiers/insert_range.cc:
New test.
* testsuite/23_containers/unordered_map/cons/from_range.cc:
New test.
* testsuite/23_containers/unordered_map/modifiers/insert_range.cc:
New test.
2025-03-18 Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/111055
* include/bits/hashtable.h (_M_rehash_insert)
(_M_insert_range_multi): Extracted rehashing for range insertion
to separate function.
* include/bits/unordered_set.h (unordered_set): Define from_range
constructors and insert_range member.
(unordered_multiset) Likewise.
* testsuite/23_containers/unordered_multiset/cons/from_range.cc:
New test.
* testsuite/23_containers/unordered_multiset/modifiers/insert_range.cc:
New test.
* testsuite/23_containers/unordered_set/cons/from_range.cc:
New test.
* testsuite/23_containers/unordered_set/modifiers/insert_range.cc:
New test.
2025-03-18 Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/111055
* include/bits/stl_multiset.h: (inser_range)
(multiset(from_range_t, _Rg&&, const _Compare&, const _Alloc&))
(multiset(from_range_t, _Rg&&, const _Alloc&)): Define.
* include/bits/stl_set.h: (set(from_range_t, _Rg&&, const _Alloc&))
(set(from_range_t, _Rg&&, const _Compare&, const _Alloc&), insert_range):
Define.
* testsuite/23_containers/multiset/cons/from_range.cc: New test.
* testsuite/23_containers/multiset/modifiers/insert/insert_range.cc:
New test.
* testsuite/23_containers/set/cons/from_range.cc: New test.
* testsuite/23_containers/set/modifiers/insert/insert_range.cc:
New test.
2025-03-18 Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/111055
* include/bits/ranges_base.h (__detail::__range_to_alloc_type):
Define.
* include/bits/stl_multimap.h: (inser_range)
(multimap(from_range_t, _Rg&&, const _Compare&, const _Alloc&))
(multimap(from_range_t, _Rg&&, const _Alloc&)): Define.
* include/bits/stl_map.h: (map(from_range_t, _Rg&&, const _Alloc&)) i
(map(from_range_t, _Rg&&, const _Compare&, const _Alloc&), insert_range):
Define.
* testsuite/23_containers/multimap/cons/from_range.cc: New test.
* testsuite/23_containers/multimap/modifiers/insert/insert_range.cc: New test.
* testsuite/23_containers/map/cons/from_range.cc: New test.
* testsuite/23_containers/map/modifiers/insert/insert_range.cc: New test.
2025-03-14 Patrick Palka <ppalka@redhat.com>
PR libstdc++/119282
* include/bits/stl_vector.h (vector::vector(from_range_t)): Add
missing 'constexpr' to local class _Clear.
* testsuite/std/ranges/conv/1.cc (test_pr119282): New test.
2025-03-14 Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/111138
* include/std/ranges (_ZipTransform::operator()):
Create separate overload for calls with empty range pack,
and add move_constructible, regular_invocable and
is_object_v<invoke_result_t<...>>> constraints.
* testsuite/std/ranges/zip_transform/1.cc: New tests
Jonathan Wakely <jwakely@redhat.com>
2025-03-14 Thomas Schwinge <tschwinge@baylibre.com>
PR target/92713
PR target/101544
* config/cpu/nvptx/cpu_defines.h: New.
* config/cpu/nvptx/t-nvptx: Likewise.
* configure.host: Handle GCN, nvptx.
2025-03-14 Tomasz Kamiński <tkaminsk@redhat.com>
* testsuite/23_containers/priority_queue/cons_from_range.cc:
Add `#include <algorithm>.
* testsuite/23_containers/priority_queue/members/push_range.cc:
Add `#include <algorithm>.
2025-03-14 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
* include/bits/shared_ptr_base.h (lock): Fixed a compile error
when calling lock() on a weak_ptr<T[]>, by removing an
erroneous usage of element_type from within lock().
* testsuite/20_util/shared_ptr/requirements/explicit_instantiation/1.cc:
Add more tests for array types.
* testsuite/20_util/weak_ptr/requirements/explicit_instantiation/1.cc:
Likewise.
* testsuite/20_util/shared_ptr/requirements/1.cc: New test.
* testsuite/20_util/weak_ptr/requirements/1.cc: New test.
2025-03-13 Patrick Palka <ppalka@redhat.com>
PR libstdc++/116440
* include/std/tuple (tuple::tuple(const _Elements&...))
[C++20]: Turn into a template.
* testsuite/20_util/tuple/116440.C: New test.
2025-03-13 Jonathan Wakely <jwakely@redhat.com>
Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/111055
* include/bits/stl_queue.h (queue(from_range_t, _Rg&&))
(queue(from_range_t, _Rg&&, const _Alloc&), push_range):
Define.
(priority_queue(from_range_t, R&&, const Compare&))
(push_range): Define.
* include/bits/stl_stack.h (stack(from_range_t, R&&))
(stack(from_range_t, R&&, const Alloc&), push_range): Define.
* testsuite/util/testsuite_iterators.h (test_range_nocopy): Define.
* testsuite/23_containers/priority_queue/cons_from_range.cc: New test.
* testsuite/23_containers/priority_queue/members/push_range.cc: New test.
* testsuite/23_containers/queue/cons_from_range.cc: New test.
* testsuite/23_containers/queue/members/push_range.cc: New test.
* testsuite/23_containers/stack/cons_from_range.cc: New test.
* testsuite/23_containers/stack/members/push_range.cc: New test.
2025-03-13 Jonathan Wakely <jwakely@redhat.com>
* include/Makefile.am: Add stdckdint.h.
* include/Makefile.in: Regenerate.
* src/c++23/std.compat.cc.in: Export <stdckdint.h> functions.
* include/c_compatibility/stdckdint.h: New file.
* testsuite/26_numerics/stdckdint/1.cc: New test.
* testsuite/26_numerics/stdckdint/2_neg.cc: New test.
2025-03-13 Jonathan Wakely <jwakely@redhat.com>
* include/Makefile.am: Add stdbit.h.
* include/Makefile.in: Regenerate.
* src/c++23/std.compat.cc.in: Export <stdbit.h> functions.
* include/c_compatibility/stdbit.h: New file.
* testsuite/20_util/stdbit/1.cc: New test.
* testsuite/20_util/stdbit/2_neg.cc: New test.
2025-03-13 Patrick Palka <ppalka@redhat.com>
PR libstdc++/119135
* include/std/ranges: Include <utility>.
(views::__detail::__is_ref_view): Replace with ...
(views::__detail::__is_constable_ref_view): ... this.
(views::_AsConst::operator()): Replace bogus use of element_type
in the ref_view branch.
* testsuite/std/ranges/adaptors/as_const/1.cc (test03): Extend
test.
2025-03-13 Thomas Schwinge <tschwinge@baylibre.com>
* acinclude.m4 (GLIBCXX_ENABLE_CXX_FLAGS): Append to
'EXTRA_CXX_FLAGS' any additional flags.
* configure: Regenerate.
* configure.host: Document 'EXTRA_CFLAGS', 'EXTRA_CXX_FLAGS'.
2025-03-13 Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/108053
* include/std/format (basic_format_arg::_M_visit_user):
Helper function for wrapping extension types into handle.
(visit_format_arg): Call `_M_visit_user` instead of `_M_visit`.
(basic_format_arg::visit): As above.
(__format::__visit_format_arg): Provides direct access to
values stored in basic_format_arg.
(__format::__int_from_arg): Use __format::__visit_format_arg
instead of std::visit_format_arg.
(_Formatting_scanner::_M_format_arg): As above.
(_Checking_scanner::__do_vformat_to): As above.
* testsuite/std/format/arguments/args.cc: New tests.
* testsuite/std/format/string.cc: Test for using __int128
as width/precision.
2025-03-12 Patrick Palka <ppalka@redhat.com>
* include/bits/version.def (ranges_to_input): Define.
* include/bits/version.h: Regenerate.
* include/std/ranges (ranges::to_input_view): Define for C++26.
(views::__detail::__can_to_input): Likewise.
(views::_ToInput, views::to_input): Likewise.
* testsuite/std/ranges/adaptors/to_input/1.cc: New test.
2025-03-12 Jonathan Wakely <jwakely@redhat.com>
* include/std/format: Include <bits/monostate.h> instead of
<variant>.
2025-03-12 Jonathan Wakely <jwakely@redhat.com>
* include/std/format (basic_format_parse_context::__once): New
variable template.
(basic_format_parse_context::__valid_types_for_check_dynamic_spec):
New function template for checking argument types.
(basic_format_parse_context::__check_dynamic_spec): New function
template to implement the common check_dynamic_spec logic.
(basic_format_parse_context::check_dynamic_spec_integral): Call
__check_dynamic_spec instead of check_dynamic_spec.
(basic_format_parse_context::check_dynamic_spec_string):
Likewise. Use _CharT instead of char_type consistently.
(basic_format_parse_context::check_dynamic_spec): Use
__valid_types_for_check_dynamic_spec for precondition checks and
call __check_dynamic_spec for checking the arg id.
* testsuite/std/format/parse_ctx_neg.cc: Adjust expected errors.
2025-03-12 Jonathan Wakely <jwakely@redhat.com>
* include/std/future (packaged_task::packaged_task(F&&)): Add
static_assert.
* testsuite/30_threads/packaged_task/cons/dangling_ref.cc: Add
dg-error for new static assertion.
* testsuite/30_threads/packaged_task/cons/lwg4154_neg.cc: New
test.
2025-03-12 Jonathan Wakely <jwakely@redhat.com>
* include/std/chrono (__detail::__get_leap_second_info): Update
expiry date for leap seconds list.
* src/c++20/tzdata.zi: Import new file from 2025a release.
* src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds)
Update expiry date for leap seconds list.
2025-03-12 Tomasz Kamiński <tkaminsk@redhat.com>
* include/std/format (formatter<_Float16, _CharT>): Define only if
_GLIBCXX_FLOAT_IS_IEEE_BINARY32 macro is defined.
(formatter<_Float16, _CharT>): As above.
(formatter<__gnu_cxx::__bfloat16_t, _CharT>): As above.
(formatter<_Float64, _CharT>): Define only if
_GLIBCXX_DOUBLE_IS_IEEE_BINARY64 is defined.
(basic_format_arg::_S_to_arg_type): Normalize _Float32 and _Float64
only to float and double respectivelly.
(basic_format_arg::_S_to_enum): Remove handling of _Float32 and _Float64.
2025-03-12 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/strings.xml: Tweak formatting. Add example
using lambda.
* doc/html/manual/strings.html: Regenerate.
2025-03-12 Jonathan Wakely <jwakely@redhat.com>
* include/bits/unique_ptr.h (unique_ptr::operator*): Add
static_assert to check for dangling reference, as per LWG 4148.
* testsuite/20_util/unique_ptr/lwg4148.cc: New test.
2025-03-12 Jonathan Wakely <jwakely@redhat.com>
* include/bits/ranges_util.h (ranges::_detail::__has_arrow):
Require operator->() to be valid on const-qualified type, as per
LWG 4112.
* testsuite/std/ranges/adaptors/lwg4112.cc: New test.
2025-03-12 Jonathan Wakely <jwakely@redhat.com>
* include/std/format
(basic_format_parse_context::check_dynamic_spec): Require a
non-empty parameter pack, as per LWG 4142.
* testsuite/std/format/parse_ctx.cc: Remove call of
check_dynamic_spec with empty template argument list.
* testsuite/std/format/parse_ctx_neg.cc: Add dg-error to call of
check_dynamic_spec with empty template argument list.
2025-03-08 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
* include/bits/version.def (atomic_value_initialization):
Guard the FTM with the language concepts FTM.
* include/bits/version.h: Regenerate.
* include/std/atomic (atomic): When atomic value init is
defined, change the defaulted default constructor to
a non-defaulted one, constraining it as per LWG4169.
Otherwise, keep the existing constructor.
Remove the NSDMI for the _M_i member.
(_GLIBCXX20_INIT): Drop the macro, as it is not needed any more.
* testsuite/29_atomics/atomic/69301.cc: Test that
an atomic wrapping a non-default-constructible type is
always itself non-default-constructible (in all language
modes).
* testsuite/29_atomics/atomic/cons/trivial.cc: New test.
2025-03-08 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_algobase.h (__nothrow_contiguous_iterator):
Remove.
(__memcpyable_iterators): Simplify.
(__copy_move_a2, __copy_n_a, __copy_move_backward_a2): Call
std::to_address on the iterators after advancing them.
* testsuite/25_algorithms/copy/contiguous.cc: New test.
* testsuite/25_algorithms/copy_backward/contiguous.cc: New test.
* testsuite/25_algorithms/copy_n/contiguous.cc: New test.
2025-03-07 Jonathan Wakely <jwakely@redhat.com>
* include/std/forward_list (erase): Change lambda to have
explicit return type and const parameter type.
* include/std/list (erase): Likewise.
* testsuite/23_containers/forward_list/erasure.cc: Check lambda
is correct.
* testsuite/23_containers/list/erasure.cc: Likewise.
2025-03-07 Jonathan Wakely <jwakely@redhat.com>
* include/bits/chrono_io.h (chrono::__detail::from_stream): Add
deleted function as poison pill for unqualified lookup.
2025-03-07 Jonathan Wakely <jwakely@redhat.com>
* include/std/expected (expected<cv void,E>::value()&&):
Add missing static_assert for LWG 3940.
* testsuite/20_util/expected/lwg3843.cc: New test.
2025-03-06 Jonathan Wakely <jwakely@redhat.com>
* include/bits/unique_lock.h (unique_lock::operator=): Fix for
self-move-assignment.
* include/std/shared_mutex (shared_lock::operator=): Add
comment.
* testsuite/30_threads/shared_lock/cons/lwg4172.cc: New test.
* testsuite/30_threads/unique_lock/cons/lwg4172.cc: New test.
2025-03-06 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_list.h (list::pop_front, list::pop_back):
Add non-empty assertions.
2025-03-06 Jonathan Wakely <jwakely@redhat.com>
* include/bits/ranges_util.h: Include <bits/stl_pair.h>.
2025-03-06 Jonathan Wakely <jwakely@redhat.com>
* include/std/span (span::~span): Remove, as per LWG 3903.
2025-03-06 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/119144
* testsuite/26_numerics/complex/tuple_like.cc: Include
<algorithm>, replace std::string with std::string_view,
instantiate tests for long instead of size_t.
2025-03-06 Jonathan Wakely <jwakely@redhat.com>
Thomas Schwinge <tschwinge@baylibre.com>
* src/c++20/tzdb.cc [__GTHREADS && !__GTHREADS_CXX0X]: Use
'__gnu_cxx::__mutex'.
2025-03-06 Thomas Schwinge <tschwinge@baylibre.com>
* src/c++20/format.cc (conv): Tag 'out' as '[[maybe_unused]]'.
2025-03-06 Thomas Schwinge <tschwinge@baylibre.com>
* src/c++17/fs_dir.cc (do_unlink): Tag 'is_directory' as
'[[maybe_unused]]'.
2025-03-06 Thomas Schwinge <tschwinge@baylibre.com>
* src/filesystem/dir-common.h (openat): Tag 'nofollow' as
'[[maybe_unused]]'.
2025-03-06 Thomas Schwinge <tschwinge@baylibre.com>
Jonathan Wakely <jwakely@redhat.com>
* include/bits/c++config [!__cpp_exceptions]
(_GLIBCXX_THROW_OR_ABORT): Reference '_EXC'.
2025-03-06 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/specialized_algorithms/uninitialized_copy/constexpr.cc:
Do not test COW std::string in constexpr contexts.
* testsuite/20_util/specialized_algorithms/uninitialized_default_construct/constexpr.cc:
Likewise.
* testsuite/20_util/specialized_algorithms/uninitialized_fill/constexpr.cc:
Likewise.
* testsuite/20_util/specialized_algorithms/uninitialized_move/constexpr.cc:
Likewise.
* testsuite/20_util/specialized_algorithms/uninitialized_value_construct/constexpr.cc:
Likewise.
2025-03-06 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
PR libstdc++/113310
* include/bits/stl_pair.h (get): Forward-declare std::get for
std::complex.
* include/bits/version.def (tuple_like): Bump the value of
the feature-testing macro in C++26.
* include/bits/version.h: Regenerate.
* include/std/complex: Implement the tuple protocol for
std::complex.
(tuple_size): Specialize for std::complex.
(tuple_element): Ditto.
(__is_tuple_like_v): Ditto.
(complex): Add a private getter to obtain references to the real
and the imaginary part, on the primary class template and on its
specializations.
(get): Add overloads of std::get for std::complex.
* testsuite/20_util/tuple/tuple_like_ftm.cc: New test.
* testsuite/26_numerics/complex/tuple_like.cc: New test.
2025-03-05 Jonathan Wakely <jwakely@redhat.com>
* include/std/ranges (enumerate_view::_Iterator::operator-):
Add noexcept, as per LWG 3912.
* testsuite/std/ranges/adaptors/enumerate/1.cc: Check iterator
difference is noexcept.
2025-03-05 yxj-github-437 <2457369732@qq.com>
* src/c++23/std-clib.cc.in (timespec): Move within preprocessor
group guarded by _GLIBCXX_HAVE_TIMESPEC_GET.
2025-03-05 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/119110
* testsuite/25_algorithms/move/constrained.cc: Move test06
function to ...
* testsuite/25_algorithms/move/105609.cc: New test.
* testsuite/25_algorithms/move_backward/constrained.cc: Move
test04 function to ...
* testsuite/25_algorithms/move_backward/105609.cc: New test.
2025-03-05 Patrick Palka <ppalka@redhat.com>
* include/bits/version.def (ranges_cache_latest): Define.
* include/bits/version.h: Regenerate.
* include/std/ranges (__detail::__non_propagating_cache::_M_reset):
Export from base class _Optional_base.
(cache_latest_view): Define for C++26.
(cache_latest_view::_Iterator): Likewise.
(cache_latest_view::_Sentinel): Likewise.
(views::__detail::__can_cache_latest): Likewise.
(views::_CacheLatest, views::cache_latest): Likewise.
* testsuite/std/ranges/adaptors/cache_latest/1.cc: New test.
2025-03-05 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
* include/bits/stl_algo.h (__stable_sort): Use if consteval
instead of is_constant_evaluated.
2025-03-05 Patrick Palka <ppalka@redhat.com>
PR libstdc++/115215
PR libstdc++/115218
* include/std/ranges
(concat_view::iterator::_S_invoke_with_runtime_index): Use
__builtin_unreachable in recursive lambda to certify it always
exits via 'return'.
(concat_view::iterator::iterator): In the const-converting
constructor, direct initialize _M_it.
(views::_Concat::operator()): Adjust constraints in the
single-argument case as per LWG 4082.
* testsuite/std/ranges/concat/1.cc (test01): Call it at runtime
too.
(test04): New test.
2025-03-05 Tomasz Kamiński <tkaminsk@redhat.com>
PR libstdc++/119121
* include/bits/ranges_util.h (__detail::__pair_like_convertible_from):
Use `_Tp` in `is_reference_v` check
* testsuite/std/ranges/subrange/tuple_like.cc: New tests for
pair-like conversion
2025-03-05 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
* include/bits/ranges_uninitialized.h: Mark the specialized
memory algorithms as constexpr in C++26. Also mark the members
of the _DestroyGuard helper class.
* include/bits/stl_uninitialized.h: Ditto.
* include/bits/stl_construct.h: (_Construct_novalue) Mark it
as constexpr in C++26.
* include/bits/version.def (raw_memory_algorithms): Bump the
feature-testing macro for C++26.
* include/bits/version.h: Regenerate.
* testsuite/20_util/headers/memory/synopsis.cc: Add constexpr to
the uninitialized_* algorithms (when in C++26) in the test.
* testsuite/20_util/specialized_algorithms/feature_test_macro.cc:
New test.
* testsuite/20_util/specialized_algorithms/uninitialized_copy/constexpr.cc:
New test.
* testsuite/20_util/specialized_algorithms/uninitialized_default_construct/constexpr.cc:
New test.
* testsuite/20_util/specialized_algorithms/uninitialized_fill/constexpr.cc:
New test.
* testsuite/20_util/specialized_algorithms/uninitialized_move/constexpr.cc:
New test.
* testsuite/20_util/specialized_algorithms/uninitialized_value_construct/constexpr.cc:
New test.
2025-03-04 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/test.xml: Remove stray comma.
* doc/html/manual/test.html: Regenerate.
2025-02-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/106612
* include/bits/iterator_concepts.h (_IterMove::__iter_ref_t):
New alias template.
(_IterMove::__result): Use __iter_ref_t instead of
std::iter_reference_t.
(_IterMove::__type): Remove incorrect __dereferenceable
constraint.
(_IterMove::operator()): Likewise. Add correct constraints. Use
__iter_ref_t instead of std::iter_reference_t. Forward parameter
as correct value category.
(iter_swap): Add comments.
* testsuite/24_iterators/customization_points/iter_move.cc: Test
that iter_move is found by ADL and that rvalue arguments are
handled correctly.
2025-02-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105609
* include/bits/ranges_algobase.h (__detail::__assign_one): New
helper function.
(__copy_or_move, __copy_or_move_backward): Use new function
instead of std::__assign_one.
* testsuite/25_algorithms/move/constrained.cc: Check that
ADL iter_move is used in preference to std::move.
* testsuite/25_algorithms/move_backward/constrained.cc:
Likewise.
2025-02-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/112803
* include/std/ranges (ranges::to): Add static assertions to
enforce Mandates conditions.
* testsuite/std/ranges/conv/112803.cc: New test.
2025-02-28 Patrick Palka <ppalka@redhat.com>
PR libstdc++/104606
* include/std/optional (operator<=>): Revert r14-9771 change.
Add constraint checking the validity of the return type
compare_three_way_result_t before the three_way_comparable_with
constraint.
2025-02-28 Patrick Palka <ppalka@redhat.com>
PR libstdc++/112490
* include/bits/stl_iterator.h (basic_const_iterator::operator<):
Replace non-dependent basic_const_iterator function parameter with
a dependent one of type basic_const_iterator<_It3> where _It3
matches _It.
(basic_const_iterator::operator>): Likewise.
(basic_const_iterator::operator<=): Likewise.
(basic_const_iterator::operator>=): Likewise.
* testsuite/24_iterators/const_iterator/112490.cc: New test.
2025-02-27 Jonathan Wakely <jwakely@redhat.com>
* include/std/stacktrace (_Impl::_M_allocate): Fix outdated
comment.
2025-02-26 Patrick Palka <ppalka@redhat.com>
PR libstdc++/118083
* include/bits/ranges_base.h
(ranges::__access::__possibly_const_range): Mention LWG 4027.
2025-02-25 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
* include/bits/algorithmfwd.h (stable_sort): Add constexpr.
* include/bits/ranges_algo.h (__stable_sort_fn): Add constexpr
to the function call operators.
* include/bits/stl_algo.h (__stable_sort): Add constexpr.
During constant evaluation, always use the non-allocating path.
(stable_sort): Add constexpr.
(__inplace_stable_sort): Likewise.
(__merge_without_buffer): Likewise.
* include/bits/version.def (constexpr_algorithms): Bump value
for C++26.
* include/bits/version.h: Regnerate.
* testsuite/25_algorithms/cpp_lib_constexpr.cc: Test the bumped
feature-testing macro.
* testsuite/25_algorithms/headers/algorithm/synopsis.cc: Adapt
the test to constexpr stable_sort.
* testsuite/25_algorithms/stable_sort/constexpr.cc: New test.
2025-02-25 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
* include/bits/c++config (_GLIBCXX26_CONSTEXPR): New macro.
2025-02-25 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/93059
* include/bits/stl_algobase.h (__fill_a1): Fix typo in SFINAE
constraint.
2025-02-25 François Dumont <frs.dumont@gmail.com>
* include/bits/hashtable_policy.h
(_Hash_code_base::_M_copy_code, _Hash_code_base::_M_store_code): Remove.
* include/bits/hashtable.h (_M_hash_code_ext): New.
(_M_merge_multi(_Hashtable&)): Use latter.
(_M_copy_code): New.
(_M_assign): Use latter.
(_M_bucket_index_ex): New.
(_M_equals): Use latter.
(_M_store_code): New.
(_M_src_hash_code): Remove key_type parameter.
* testsuite/23_containers/unordered_map/modifiers/merge.cc (test10): New
test case.
2025-02-25 Patrick Palka <ppalka@redhat.com>
PR libstdc++/118083
* include/bits/ranges_base.h
(ranges::__access::__possibly_const_range): Adjust logic as per
LWG 4027. Add missing input_range constraint.
* testsuite/std/ranges/access/cbegin.cc (test05): Verify LWG
4027 testcases.
* testsuite/std/ranges/access/cdata.cc: Adjust, simplify and
consolidate some tests after the above.
* 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/join.cc: Likewise.
* testsuite/std/ranges/adaptors/take_while.cc: Likewise.
* testsuite/std/ranges/adaptors/transform.cc: Likewise.
2025-02-22 Jonathan Wakely <jwakely@redhat.com>
PR c++/118981
* src/c++20/tzdb.cc: Use init_priority(98) instead of
init_priority(99).
2025-02-22 Thomas Schwinge <tschwinge@baylibre.com>
* testsuite/lib/prune.exp (proc libstdc++-dg-prune): Turn
'sorry, unimplemented: dynamic stack allocation not supported' into
UNSUPPORTED.
2025-02-22 Jonathan Wakely <jwakely@redhat.com>
* include/bits/atomic_base.h (__atomic_base<_ITp>): Remove
misleading comment.
2025-02-22 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/floating_from_chars.cc (__floating_from_chars_hex):
Remove redundant cast.
2025-02-20 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/118559
* include/std/type_traits (rank, rank_v): Do not use
__array_rank for Clang 19 and older.
2025-02-20 Jonathan Wakely <jwakely@redhat.com>
* include/bits/c++config (_GLIBCXX_HAS_BUILTIN): Add parentheses.
2025-02-20 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/118855
* include/std/bit (__count_lzero, __count_rzero, __popcount):
Use type-generic built-ins when available.
2025-02-20 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/bits/simd.h (__find_next_valid_abi): Cast
__bit_ceil argument to unsigned.
* src/c++17/floating_from_chars.cc (__floating_from_chars_hex):
Cast __bit_ceil argument to unsigned.
* src/c++17/memory_resource.cc (big_block): Cast __bit_width
argument to unsigned.
2025-02-20 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/memory_resource.cc (default_res): Define here
instead of including default_resource.h.
* src/c++98/globals_io.cc (__ioinit): Define here instead of
including ios_base_init.h.
* src/c++17/default_resource.h: Removed.
* src/c++98/ios_base_init.h: Removed.
2025-02-20 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/118811
* src/c++20/tzdb.cc (tzdb_list::_Node): Use init_priority
attribute on static data members.
* testsuite/std/time/tzdb_list/pr118811.cc: New test.
2025-02-20 Patrick Palka <ppalka@redhat.com>
* include/std/ranges (concat_view::iterator): Rename to ...
(concat_view::_Iterator): ... this throughout.
2025-02-20 Patrick Palka <ppalka@redhat.com>
PR libstdc++/115209
* include/bits/version.def (ranges_concat): Depend on
__cpp_pack_indexing.
* include/bits/version.h: Regenerate.
* include/std/ranges (__detail::__last_is_common): Remove.
(__detail::__all_but_first_sized): New.
(concat_view::end): Use C++26 pack indexing instead of
__last_is_common as per R8 of P2542.
(concat_view::iterator::operator-): Update constraints on
iter/sent overloads as per R8 of P2542.
2025-02-15 Jonathan Wakely <jwakely@redhat.com>
* include/bits/shared_ptr_base.h: Do not include <bit>.
2025-02-15 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/100612
* include/std/thread (__pmf_expects_stop_token): Constrain
variable template specialization with concept. Add comment.
2025-02-15 Jonathan Wakely <jwakely@redhat.com>
* include/bits/range_access.h (rbegin, rend, crbegin, crend):
Add conditional noexcept, as per P3623R0.
* testsuite/24_iterators/headers/iterator/range_access.cc: Add
noexcept-specifier to rbegin, rend, crbegin and crend
declarations.
2025-02-15 Jonathan Wakely <jwakely@redhat.com>
* testsuite/24_iterators/headers/iterator/range_access_c++11.cc:
Removed.
* testsuite/24_iterators/headers/iterator/range_access_c++14.cc:
Removed.
* testsuite/24_iterators/headers/iterator/range_access_c++17.cc:
Removed.
* testsuite/24_iterators/headers/iterator/range_access.cc:
New test.
2025-02-14 Andrew Pinski <quic_apinski@quicinc.com>
PR libstdc++/118865
* include/bits/stl_list.h (_M_initialize_dispatch): Add an
unreachable if the iterator was not empty that the list will
now be not empty.
2025-02-14 Jonathan Wakely <jwakely@redhat.com>
* include/parallel/algobase.h (__mismatch_switch): Qualify calls
to make_pair to avoid ADL.
2025-02-14 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_tree.h (_Rb_tree::_M_equal_range): Replace
unqualified call to make_pair with explicit construction of
std::pair.
* testsuite/23_containers/set/operations/equal_range_adl.cc:
New test.
2025-02-14 Matthew Malcomson <mmalcomson@nvidia.com>
Jonathan Wakely <jwakely@redhat.com>
* include/bits/atomic_base.h (__atomic_fetch_addable): Define
new concept.
(__atomic_impl::__fetch_add_flt): Use new concept to make use of
__atomic_fetch_add when available.
(__atomic_fetch_subtractable, __fetch_sub_flt): Likewise.
(__atomic_add_fetchable, __add_fetch_flt): Likewise.
(__atomic_sub_fetchable, __sub_fetch_flt): Likewise.
2025-02-08 Thomas Schwinge <tschwinge@baylibre.com>
* testsuite/lib/prune.exp (libstdc++-dg-prune): Turn
'sorry, unimplemented: exception handling not supported' into
UNSUPPORTED.
2025-02-08 Thomas Schwinge <tschwinge@baylibre.com>
* testsuite/lib/prune.exp (libstdc++-dg-prune): Clarify
effective-target 'exceptions_enabled'.
2025-02-07 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
PR libstdc++/118160
PR libstdc++/100249
* include/bits/ranges_algo.h (__is_permutation_fn): Avoid a
dangling reference by storing the result of the iterator
dereference and the result of the projection in two distinct
variables, in order to lifetime-extend each one.
Forward the projected value to the predicate.
* testsuite/25_algorithms/is_permutation/constrained.cc: Add a
test with a range returning prvalues. Test it in a constexpr
context, in order to rely on the compiler to catch UB.
2025-02-07 Jonathan Wakely <jwakely@redhat.com>
* include/bits/ostream.h (basic_ostream::_Disable_exceptions):
RAII helper type.
(basic_ostream::sentry::~sentry): Use _Disable_exceptions. Add
try-catch block around call to pubsync.
* testsuite/27_io/basic_ostream/exceptions/char/lwg4188.cc: New
test.
* testsuite/27_io/basic_ostream/exceptions/wchar_t/lwg4188.cc:
New test.
2025-02-07 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/111050
* include/bits/hashtable_policy.h (_Hash_node_value_base): Add
comment about always_inline attributes.
2025-02-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/118701
* config/abi/pre/gnu.ver (CXXABI_1.3.16): Move __riscv guard
around version.
* scripts/extract_symvers.pl: Allow for weak versions.
* testsuite/util/testsuite_abi.cc (check_version): Wrap
CXXABI_1.3.16 in __riscv.
2025-01-31 Patrick Palka <ppalka@redhat.com>
PR libstdc++/118156
* include/std/flat_map (_Flat_map_impl::_M_insert): Generalized
version of insert taking heterogenous iterator/sentinel pair.
(_Flat_map_impl::insert): Dispatch to _M_insert.
(_Flat_map_impl::insert_range): Likewise.
(flat_map): Export _Flat_map_impl::insert_range.
(flat_multimap): Likewise.
* include/std/flat_set (_Flat_set_impl::insert_range):
Reimplement directly, not in terms of insert.
(flat_set): Export _Flat_set_impl::insert_range.
(flat_multiset): Likewise.
* testsuite/23_containers/flat_map/1.cc (test06): New test.
* testsuite/23_containers/flat_multimap/1.cc (test06): New test.
* testsuite/23_containers/flat_multiset/1.cc (test06): New test.
* testsuite/23_containers/flat_set/1.cc (test06): New test.
2025-01-31 Patrick Palka <ppalka@redhat.com>
* include/bits/stl_bvector.h (vector<bool>::insert_range):
Consistently return an iterator pointing to the first element
inserted.
* include/bits/vector.tcc (vector::insert_range): Likewise.
* testsuite/23_containers/vector/bool/modifiers/insert/insert_range.cc:
Verify insert_range return values.
* testsuite/23_containers/vector/modifiers/insert/insert_range.cc:
Likewise.
2025-01-30 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/98749
* include/std/latch (latch::max()): Ensure the return value is
representable as the return type.
(latch::latch(ptrdiff_t)): Add assertion.
(latch::count_down): Fix copy & pasted duplicate assertion. Use
std::cmp_equal to compare __platform_wait_t and ptrdiff_t
values.
(latch::_M_a): Use defined constant for alignment.
* testsuite/30_threads/latch/1.cc: Check max(). Check constant
initialization works for values in the valid range. Check
alignment.
2025-01-29 Patrick Palka <ppalka@redhat.com>
PR libstdc++/118413
* include/std/ranges (views::__adaptor::_Partial): Adjust
constraints on the "simple" partial specializations to require
is_trivially_copy_constructible_v instead of
is_trivially_copyable_v.
* testsuite/std/ranges/adaptors/adjacent_transform/1.cc (test04):
Extend P2494R2 test.
* testsuite/std/ranges/adaptors/transform.cc (test09): Likewise.
2025-01-27 Andreas Schwab <schwab@suse.de>
PR libstdc++/118563
* testsuite/util/testsuite_abi.cc (check_version): Add
CXXABI_1.3.16.
* config/abi/pre/gnu.ver (CXXABI_1.3.14) [__riscv]: Exclude
typeinfo for bfloat16_t.
(CXXABI_1.3.16) [__riscv]: Add it here.
2025-01-23 Jan Hubicka <jh@suse.cz>
PR target/80813
* include/bits/stl_bvector.h (vector<bool, _Alloc>::operator []): Do
not use iterators.
2025-01-20 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
PR libstdc++/118185
PR libstdc++/100249
* include/bits/ranges_algo.h (__clamp_fn): Correctly forward the
projected value to the comparator.
* testsuite/25_algorithms/clamp/118185.cc: New test.
2025-01-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/99995
* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/bits/unique_ptr.h: Include bits/ostream.h instead of
ostream.
* include/std/ostream: Include new header.
* include/bits/ostream.h: New file.
2025-01-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/118158
* src/c++17/fs_ops.cc (fs::equivalent): Remove error reporting
for is_other(s1) && is_other(s2) case, as per LWG 2937.
* testsuite/27_io/filesystem/operations/pr118158.cc: New test.
2025-01-16 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_map.h: Check __glibcxx_node_extract instead
of __cplusplus.
* include/bits/stl_multimap.h: Likewise.
* include/bits/stl_multiset.h: Likewise.
* include/bits/stl_set.h: Likewise.
* include/bits/stl_tree.h: Likewise.
2025-01-15 Jonathan Wakely <jwakely@redhat.com>
* testsuite/27_io/ios_base/types/openmode/case_label.cc: Use
standard feature test macro not internal one.
2025-01-15 Jonathan Wakely <jwakely@redhat.com>
* testsuite/23_containers/set/requirements/explicit_instantiation/alloc_ptr.cc:
Guard node extraction checks with feature test macro. Remove
calls to non-existent range members.
* testsuite/23_containers/forward_list/requirements/explicit_instantiation/alloc_ptr.cc:
Use standard macro not internal one.
* testsuite/23_containers/list/requirements/explicit_instantiation/alloc_ptr.cc:
Likewise.
2025-01-15 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/109849
* include/bits/vector.tcc (vector::_M_range_insert): Fix
reversed args in length calculation.
2025-01-15 Jonathan Wakely <jwakely@redhat.com>
* testsuite/28_regex/traits/char/transform_primary.cc: Fix
subclause numbering in references to the standard.
2025-01-15 Jakub Jelinek <jakub@redhat.com>
PR c++/118387
* testsuite/25_algorithms/default_template_value.cc
(Input::operator<=>): Use auto as return type rather than bool.
2025-01-12 Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
* testsuite/27_io/print/1.cc: Allow both LF and CRLF in test.
* testsuite/27_io/print/3.cc: Likewise.
2025-01-12 Torbjörn SVENSSON <torbjorn.svensson@foss.st.com>
* testsuite/29_atomics/atomic_float/compare_exchange_padding.cc:
Use effective-target libatomic_available.
2025-01-10 Jonathan Wakely <jwakely@redhat.com>
* include/bits/atomic_futex.h (__atomic_futex_unsigned): Remove
names of unused parameters in non-futex implementation.
2025-01-08 Jonathan Wakely <jwakely@redhat.com>
* include/bits/move.h (__addressof, forward, forward_like, move)
(move_if_noexcept, addressof): Add always_inline attribute.
Replace _GLIBCXX_NODISCARD with [[__nodiscard__]].
2025-01-08 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/118260
* python/hook.in: Run 'skip' commands for some simple accessor
functions.
2025-01-08 Nicolas Werner <nicolas.werner@hotmail.de>
PR libstdc++/106852
* src/c++23/std.cc.in (to_underlying): Add.
2025-01-08 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/118177
* src/c++23/std-clib.cc.in: Use preprocessor conditions for
names which are not always defined.
* src/c++23/std.cc.in: Likewise.
2025-01-08 Jonathan Wakely <jwakely@redhat.com>
* include/std/span: Fix indentation.
2025-01-08 Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
* include/bits/version.def: Add the new feature-testing macro.
* include/bits/version.h: Regenerate.
* include/std/span: Add constructor from initializer_list.
* testsuite/23_containers/span/init_list_cons.cc: New test.
* testsuite/23_containers/span/init_list_cons_neg.cc: New test.
2025-01-08 Jonathan Wakely <jwakely@redhat.com>
* include/std/span (__detail::__extent_storage): Check
precondition in constructor. Add consteval constructor for valid
lengths and deleted constructor for invalid constant lengths.
Make member functions always_inline.
(__detail::__span_ptr): New class template.
(span): Adjust constructors to use a std::integral_constant
value for constant lengths. Declare all specializations of
std::span as friends.
(span::first<C>, span::last<C>, span::subspan<O,C>): Use new
private constructor.
(span(__span_ptr<T>)): New private constructor for constant
lengths.
2025-01-08 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/85824
PR libstdc++/94409
PR libstdc++/98723
PR libstdc++/118105
* include/bits/locale_classes.tcc (collate::do_transform): Check
errno after calling _M_transform. Use RAII type to manage the
buffer and to restore errno.
* include/bits/regex.h (regex_traits::transform_primary): Handle
exceptions from std::collate::transform and do not try to use
std::collate for user-defined facets.
2025-01-08 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/118093
* include/bits/atomic_futex.h (_M_load_and_test_until_impl):
Return false for times before the epoch.
* src/c++11/futex.cc (_M_futex_wait_until): Extend check for
negative times to check for subsecond times. Add unlikely
attribute.
(_M_futex_wait_until_steady): Likewise.
* testsuite/30_threads/future/members/118093.cc: New test.
2025-01-08 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90389
* include/bits/deque.tcc (_M_insert_aux): Rename variadic
overload to _M_emplace_aux.
* include/bits/stl_deque.h (_M_insert_aux): Define inline.
(_M_emplace_aux): Declare.
* testsuite/23_containers/deque/modifiers/emplace/90389.cc: New
test.
2025-01-08 Jonathan Wakely <jwakely@redhat.com>
* include/bits/move.h (forward, move, move_if_noexcept, addressof):
Add @since to Doxygen comments.
(forward_like): Add Doxygen comment.
2025-01-08 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/evolution.xml: Replace invalid <variable>
elements with <varname>.
* doc/html/*: Regenerate.
2025-01-01 Gerald Pfeifer <gerald@pfeifer.com>
* doc/html/manual/profile_mode.html: Delete.
* doc/html/manual/profile_mode_api.html: Ditto.
* doc/html/manual/profile_mode_cost_model.html: Ditto.
* doc/html/manual/profile_mode_design.html: Ditto.
* doc/html/manual/profile_mode_devel.html: Ditto.
* doc/html/manual/profile_mode_impl.html: Ditto.
Copyright (C) 2025 Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.