2024-05-21 Release Manager * GCC 13.3.0 released. 2024-05-14 Jonathan Wakely Backported from master: 2024-05-14 Jonathan Wakely PR libstdc++/115063 * include/std/stacktrace (basic_stacktrace::max_size): Fix typo in reference to _M_alloc member. * testsuite/19_diagnostics/stacktrace/stacktrace.cc: Check max_size() compiles. 2024-05-14 Jonathan Wakely Backported from master: 2024-03-19 Jonathan Wakely PR libstdc++/114359 * include/bits/random.tcc (binomial_distribution::param_type): Ensure arithmetic is done as type double. * testsuite/26_numerics/random/binomial_distribution/114359.cc: New test. 2024-05-14 Jonathan Wakely Backported from master: 2024-04-10 Jonathan Wakely * testsuite/27_io/manipulators/extended/get_time/char/2.cc: Adjust input string so that it matches %a with or without a trailing period. * testsuite/std/time/year_month_day/io.cc: Adjust expected format for %x in the fr_FR locale. 2024-05-14 Jonathan Wakely Backported from master: 2024-04-25 Jonathan Wakely * include/std/chrono (tzdb_list): Fix typo in Doxygen comment. 2024-05-14 Jonathan Wakely Backported from master: 2024-04-25 Jonathan Wakely * scripts/run_doxygen: Adjust sed pattern to match '\fR' for new man output that Doxygen 1.10 generates. 2024-05-09 Jakub Jelinek Backported from master: 2024-04-22 Jakub Jelinek * testsuite/17_intro/names.cc (d, f): Undefine on s390*-linux*. * testsuite/17_intro/headers/c++1998/all_attributes.cc (packed): Don't define on s390. * testsuite/17_intro/headers/c++2011/all_attributes.cc (packed): Likewise. * testsuite/17_intro/headers/c++2014/all_attributes.cc (packed): Likewise. * testsuite/17_intro/headers/c++2017/all_attributes.cc (packed): Likewise. * testsuite/17_intro/headers/c++2020/all_attributes.cc (packed): Likewise. 2024-05-07 Matthias Kretz Backported from master: 2024-04-22 Matthias Kretz PR libstdc++/114803 * include/experimental/bits/simd_builtin.h (_SimdBase2::operator __vector_type_t): There is no __builtin() function in _SimdWrapper, instead use its conversion operator. * testsuite/experimental/simd/pr114803_vecbuiltin_cvt.cc: New test. 2024-05-07 Matthias Kretz Backported from master: 2024-04-22 Matthias Kretz * include/experimental/bits/simd.h: Ignore -Wnarrowing for arm_neon.h. (__int_for_sizeof): Replace tautological compare with checking for invalid template parameter value. * include/experimental/bits/simd_builtin.h (__extract_part): Remove tautological compare by combining two static_assert. 2024-05-07 Matthias Kretz Backported from master: 2024-04-17 Matthias Kretz * include/experimental/bits/numeric_traits.h: Add include guard. 2024-05-07 Matthias Kretz Backported from master: 2024-04-17 Matthias Kretz PR libstdc++/114750 * include/experimental/bits/simd_builtin.h (_SimdImplBuiltin::_S_load, _S_store): Fall back to copying scalars if the memory type cannot be vectorized for the target. 2024-05-07 Matthias Kretz Backported from master: 2024-03-27 Matthias Kretz * include/experimental/bits/simd_x86.h (_S_masked_unary): Cast inputs < 16 bytes to 16 byte vectors before calling the right subtraction builtin. Before returning, truncate to the return vector type. 2024-05-07 Matthias Kretz Backported from master: 2024-03-27 Matthias Kretz * include/experimental/bits/simd_x86.h (_S_masked_unary): Call the 4- and 8-byte variants of __builtin_ia32_subp[ds] without rounding direction argument. 2024-05-07 Matthias Kretz Backported from master: 2023-06-06 Matthias Kretz PR libstdc++/109822 * include/experimental/bits/simd_builtin.h (_S_store): Rewrite to avoid casts to other vector types. Implement store as succession of power-of-2 sized memcpy to avoid PR90424. 2024-05-07 Matthias Kretz Backported from master: 2023-06-06 Matthias Kretz PR libstdc++/110054 * include/experimental/bits/simd_builtin.h (_S_masked_store): Call into deduced ABI's SimdImpl after conversion. * include/experimental/bits/simd_x86.h (_S_masked_store_nocvt): Don't use _mm_maskmoveu_si128. Use the generic fall-back implementation. Also fix masked stores without SSE2, which were not doing anything before. 2024-05-07 Matthias Kretz Backported from master: 2023-06-06 Matthias Kretz * include/experimental/bits/simd.h (__bit_cast): Use __gnu__::__vector_size__ instead of gnu::vector_size. 2024-05-07 Matthias Kretz Backported from master: 2023-06-01 Matthias Kretz PR libstdc++/110050 * include/experimental/bits/simd.h (__vectorized_sizeof): With __have_neon_a32 only single-precision float works (in addition to integers). 2024-05-02 Jonathan Wakely Backported from master: 2024-04-15 Jonathan Wakely PR libstdc++/93672 * src/c++98/istream.cc (istream::ignore(streamsize, int_type)): Treat all negative delimiter values as eof(). * testsuite/27_io/basic_istream/ignore/char/93672.cc: New test. * testsuite/27_io/basic_istream/ignore/wchar_t/93672.cc: New test. 2024-05-02 Jonathan Wakely Backported from master: 2024-04-03 Jonathan Wakely PR libstdc++/104606 * include/std/optional (operator<=>(const optional&, const U&)): Reverse order of three_way_comparable_with template arguments. * testsuite/20_util/optional/relops/104606.cc: New test. 2024-04-30 Jonathan Wakely Backported from master: 2024-04-30 Jonathan Wakely PR libstdc++/114863 * include/std/format (__formatter_fp::format): Only use _M_localized for finite values. * testsuite/std/format/functions/format.cc: Check localized formatting of NaN and initiny. 2024-04-29 Rainer Orth * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate. * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise. * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise. * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt: Likewise. 2024-04-26 Jonathan Wakely * doc/html/manual/status.html: Regenerate. * doc/xml/manual/status_cxx1998.xml: Replace references to mainline GCC. * doc/xml/manual/status_cxx2011.xml: Likewise. * doc/xml/manual/status_cxx2014.xml: Likewise. * doc/xml/manual/status_cxx2017.xml: Likewise. * doc/xml/manual/status_cxx2020.xml: Likewise. * doc/xml/manual/status_cxx2023.xml: Likewise. * doc/xml/manual/status_cxxtr1.xml: Likewise. * doc/xml/manual/status_cxxtr24733.xml: Likewise. 2024-04-25 Jonathan Wakely * src/experimental/Makefile.am (install-exec-local): New target. (uninstall-local): New target. * src/experimental/Makefile.in: Regenerate. * src/libbacktrace/Makefile.am: Build libstdc++_libbacktrace as noinst_LTLIBRARIES so it's only a convenience library. * src/libbacktrace/Makefile.in: Regenerate. 2024-04-25 Jonathan Wakely Backported from master: 2024-02-04 Jonathan Wakely * src/experimental/Makefile.am: Use libstdc++fsconvenience.a instead of libstdc++fs.a. * src/experimental/Makefile.in: Regenerate. * src/filesystem/Makefile.am: Build libstdc++fsconvenience.a as well. * src/filesystem/Makefile.in: Regenerate. 2024-04-15 Andreas Schwab * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update. 2024-04-11 Jakub Jelinek Backported from master: 2024-04-11 Jakub Jelinek * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update. * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update. 2024-04-03 Iain Sandoe Backported from master: 2024-02-19 Iain Sandoe Jonathan Wakely PR target/112397 * configure: Regenerate. * configure.ac: Detect if we are building for Darwin. * libsupc++/Makefile.am: If we are building for Darwin, then suppress hot/cold partitioning for the array allocators. * libsupc++/Makefile.in: Regenerated. 2024-04-03 Iain Sandoe Backported from master: 2024-03-19 Iain Sandoe * testsuite/lib/dg-options.exp (atomic_link_flags): Emit a -B option for the path to the uninstalled libatomic. 2024-04-03 Iain Sandoe Backported from master: 2024-03-19 Iain Sandoe * testsuite/lib/libstdc++.exp (v3_target_compile): Instead of /dev/null, use a temporary file for test executables on Darwin. 2024-04-03 Jonathan Wakely Backported from master: 2024-03-22 Jonathan Wakely PR libstdc++/114401 * include/bits/hashtable.h (_Hashtable::_M_reinsert_node): Call release() on node handle instead of just zeroing its pointer. (_Hashtable::_M_reinsert_node_multi): Likewise. (_Hashtable::_M_merge_unique): Likewise. (_Hashtable::_M_merge_multi): Likewise. * include/bits/node_handle.h (_Node_handle_common::release()): New member function. (_Node_handle_common::_Optional_alloc::_M_empty): Remove unnecessary union member. (_Node_handle_common): Declare _Hashtable as a friend. * include/bits/stl_tree.h (_Rb_tree::_M_reinsert_node_unique): Call release() on node handle instead of just zeroing its pointer. (_Rb_tree::_M_reinsert_node_equal): Likewise. (_Rb_tree::_M_reinsert_node_hint_unique): Likewise. (_Rb_tree::_M_reinsert_node_hint_equal): Likewise. * testsuite/23_containers/multiset/modifiers/114401.cc: New test. * testsuite/23_containers/set/modifiers/114401.cc: New test. * testsuite/23_containers/unordered_multiset/modifiers/114401.cc: New test. * testsuite/23_containers/unordered_set/modifiers/114401.cc: New test. 2024-04-03 Jonathan Wakely Backported from master: 2024-03-22 Jonathan Wakely PR libstdc++/113841 * include/bits/allocator.h (allocator): Add default constructor to partial specializations for cv-qualified types. * include/bits/stl_vector.h (_Vector_impl::_Vector_impl()): Constrain so that it's only present if the allocator is default constructible. * include/bits/stl_bvector.h (_Bvector_impl::_Bvector_impl()): Likewise. * testsuite/23_containers/vector/cons/113841.cc: New test. 2024-04-03 Jonathan Wakely Backported from master: 2024-03-19 Jonathan Wakely PR libstdc++/114367 * include/bits/stl_bvector.h (_M_allocate): Use allocator's construct function to begin lifetime of words. 2024-03-20 François Dumont * include/std/iterator (__cpp_lib_null_iterators): Define regardless of _GLIBCXX_DEBUG. * include/std/version (__cpp_lib_null_iterators): Likewise. 2024-03-20 François Dumont Backported from master: 2024-03-18 François Dumont * include/debug/safe_iterator.tcc (_Safe_iterator<>::_M_can_advance): Accept 0 offset advance on value-initialized iterator. * testsuite/23_containers/vector/debug/n3644.cc: New test case. 2024-03-20 François Dumont Backported from master: 2024-03-18 François Dumont * include/debug/safe_local_iterator.tcc (_Safe_local_iterator::_M_valid_range): Add _M_value_initialized and _M_singular checks. * testsuite/23_containers/unordered_set/debug/114316.cc: New test case. 2024-03-18 Jonathan Wakely Backported from master: 2024-03-14 Jonathan Wakely 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 Backported from master: 2024-03-13 Jonathan Wakely * testsuite/libstdc++-prettyprinters/cxx11.cc: Move custom_cat to namespace scope. 2024-03-17 François Dumont Backported from master: 2024-03-17 François Dumont PR libstdc++/114316 * include/debug/safe_iterator.tcc (_Safe_iterator<>::_M_valid_range): First check if both iterators are value-initialized before checking if singular. * testsuite/23_containers/set/debug/114316.cc: New test case. * testsuite/23_containers/vector/debug/114316.cc: New test case. 2024-03-16 Jonathan Wakely Backported from master: 2023-08-17 Jonathan Wakely * 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. 2024-03-16 Jonathan Wakely Backported from master: 2024-03-04 Jonathan Wakely PR libstdc++/114147 * include/std/tuple (tuple::tuple(allocator_arg_t, const Alloc&)): Add missing overload of allocator-extended default constructor. (tuple::tuple(allocator_arg_t, const Alloc&)): Likewise. * testsuite/20_util/tuple/cons/114147.cc: New test. 2024-03-15 Jonathan Wakely * doc/xml/manual/status_cxx2023.xml: Close parenthesis. * doc/html/manual/status.html: Regenerate. 2024-03-12 Jonathan Wakely Backported from master: 2024-03-07 Jonathan Wakely * include/std/chrono (__get_leap_second_info): Update expiry time for hardcoded list of leap seconds. * testsuite/std/time/tzdb/leap_seconds.cc: Update comment. 2024-03-12 Jonathan Wakely Backported from master: 2024-02-29 Jonathan Wakely * include/std/format (basic_format_arg::handle::__maybe_const_t): Fix condition to check if const type is formattable. (basic_format_arg::handle::handle(T&)): Remove redundant static_assert. * testsuite/std/format/formatter/basic.cc: New test. 2024-03-12 Jonathan Wakely Backported from master: 2024-01-08 Jonathan Wakely * include/bits/chrono_io.h (__formatter_chrono): Always use lvalue arguments to make_format_args. * include/std/format (make_format_args): Change parameter pack from forwarding references to lvalue references. Remove use of remove_reference_t which is now unnecessary. (format_to, formatted_size): Remove incorrect forwarding of arguments. * testsuite/20_util/duration/io.cc: Use lvalues as arguments to make_format_args. * testsuite/std/format/arguments/args.cc: Likewise. * testsuite/std/format/arguments/lwg3810.cc: Likewise. * testsuite/std/format/functions/format.cc: Likewise. * testsuite/std/format/functions/vformat_to.cc: Likewise. * testsuite/std/format/string.cc: Likewise. * testsuite/std/time/day/io.cc: Likewise. * testsuite/std/time/month/io.cc: Likewise. * testsuite/std/time/weekday/io.cc: Likewise. * testsuite/std/time/year/io.cc: Likewise. * testsuite/std/time/year_month_day/io.cc: Likewise. * testsuite/std/format/arguments/args_neg.cc: New test. 2024-03-12 Cassio Neri Backported from master: 2024-01-05 Cassio Neri * include/std/chrono: Fix + and - for months and weekdays. * testsuite/std/time/month/1.cc: Add constexpr tests against overflow. * testsuite/std/time/month/2.cc: New test for extreme values. * testsuite/std/time/weekday/1.cc: Add constexpr tests against overflow. * testsuite/std/time/weekday/2.cc: New test for extreme values. 2024-03-12 Cassio Neri Backported from master: 2023-11-14 Cassio Neri * include/std/chrono (operator-(const weekday&, const weekday&)): Optimize. 2024-03-12 Cassio Neri Backported from master: 2023-11-14 Cassio Neri * include/std/chrono (year::is_leap): Clear code. 2024-03-12 Cassio Neri Backported from master: 2023-11-14 Cassio Neri * include/std/chrono (year_month_day_last::day): Remove &1. 2024-03-12 Cassio Neri Backported from master: 2023-11-14 Cassio Neri * include/std/chrono (weekday::_S_from_days): Fix UB. * testsuite/std/time/weekday/1.cc: Add test for overflow. 2024-03-12 Jonathan Wakely Backported from master: 2023-11-11 Jonathan Wakely * 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. 2024-03-12 Jonathan Wakely Backported from master: 2023-08-09 Jonathan Wakely * include/bits/list.tcc (list::sort(Cmp)): Fix -Wsign-compare warning for loop condition. 2024-03-12 Jonathan Wakely Backported from master: 2023-06-09 Jonathan Wakely PR libstdc++/110167 * include/std/array (to_array): Initialize arrays of trivial types using memcpy. For non-trivial types, use lambda expressions instead of a separate helper function. (__to_array): Remove. * testsuite/23_containers/array/creation/110167.cc: New test. 2024-03-01 Jonathan Wakely Backported from master: 2024-02-29 Jonathan Wakely 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. 2024-03-01 Jonathan Wakely Backported from master: 2024-02-28 Jonathan Wakely * doc/xml/manual/appendix_contributing.xml: Change URLs to use https. * doc/html/manual/*: Regenerate. 2024-03-01 Jonathan Wakely Backported from master: 2024-02-28 Jonathan Wakely * doc/xml/manual/appendix_contributing.xml: Replace outdated info on ChangeLog entries. * doc/html/manual/appendix_contributing.html: Regenerate. 2024-03-01 Jonathan Wakely Backported from master: 2023-11-21 Jonathan Wakely * include/tr2/dynamic_bitset (dynamic_bitset): Pass zero and one characters to _M_copy_from_string. * testsuite/tr2/dynamic_bitset/string.cc: New test. 2024-03-01 Jonathan Wakely Backported from master: 2023-11-14 Jonathan Wakely * 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. 2024-03-01 Jonathan Wakely Backported from master: 2023-11-23 Jonathan Wakely * testsuite/util/testsuite_allocator.h (uneq_allocator): Fix equality operator for heterogeneous comparisons. 2024-03-01 Jonathan Wakely Backported from master: 2024-02-28 Jonathan Wakely PR libstdc++/114152 * include/experimental/scope (scope_exit scope_fail): Make destructor unconditionally noexcept. (scope_sucess): Fix noexcept-specifier. * testsuite/experimental/scopeguard/114152.cc: New test. 2024-02-16 Paul Keir Backported from master: 2024-02-12 Paul Keir PR libstdc++/113294 * include/bits/basic_string.h (basic_string::operator=): Use _M_use_local_data() instead of _M_local_buf on the moved-from string. * testsuite/21_strings/basic_string/modifiers/constexpr.cc (test_move): New test. 2024-02-16 Jonathan Wakely Backported from master: 2024-02-15 Jonathan Wakely PR libstdc++/99117 * include/std/valarray (valarray::operator=(const _Expr&)): Use loop to copy instead of __valarray_copy with _Array. * testsuite/26_numerics/valarray/99117.cc: New test. 2024-02-16 Jonathan Wakely Backported from master: 2024-02-15 Jonathan Wakely * src/c++20/tzdata.zi: Import new file from 2024a release. * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds) Update expiry date for leap seconds list. 2024-02-16 Jonathan Wakely Backported from master: 2024-02-08 Jonathan Wakely * include/tr2/type_traits (bases, direct_bases): Use __has_builtin to check if required built-ins are supported. 2024-02-09 Jonathan Wakely Backported from master: 2023-11-11 Jonathan Wakely PR libstdc++/112467 * include/bits/stl_bvector.h (_M_assume_normalized): Do not use statement form of assume attribute for Clang. 2024-02-09 Alexandre Oliva Backported from master: 2023-11-09 Alexandre Oliva 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. 2024-02-08 Jonathan Wakely Backported from master: 2024-01-11 Jonathan Wakely PR libstdc++/113258 * libsupc++/new_opa.cc: Prefer to use posix_memalign if available. 2024-02-08 Jonathan Wakely Backported from master: 2024-01-13 Jonathan Wakely PR libstdc++/107466 * include/bits/random.tcc (subtract_with_carry_engine::seed): Implement proposed resolution of LWG 4014. * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error line number. * testsuite/26_numerics/random/subtract_with_carry_engine/cons/lwg3809.cc: Check for expected result of 64-bit engine with seed that doesn't fit in 32-bits. 2024-02-08 Jonathan Wakely Backported from master: 2024-02-02 Jonathan Wakely * include/experimental/internet (network_v6::network): Define. (network_v6::hosts): Finish implementing. (network_v6::to_string): Do not concatenate std::string to arbitrary std::basic_string specialization. * testsuite/experimental/net/internet/network/v6/cons.cc: New test. 2024-02-08 Jonathan Wakely Backported from master: 2024-02-02 Jonathan Wakely PR libstdc++/90276 * testsuite/util/pstl/test_utils.h (reverse_invoker): Do not use perfect forwarding for iterator arguments. 2024-02-08 Jonathan Wakely Backported from master: 2024-02-02 Jonathan Wakely * include/std/syncstream (basic_osyncstream::operator=): Remove noexcept, as per LWG 3867. 2024-02-08 Jonathan Wakely Backported from master: 2024-02-02 Jonathan Wakely * include/std/string_view (basic_string_view(R&&)): Remove constraint that traits_type must be the same, as per LWG 3857. * testsuite/21_strings/basic_string_view/cons/char/range_c++20.cc: Explicit conversion between different specializations should be allowed. * testsuite/21_strings/basic_string_view/cons/wchar_t/range_c++20.cc: Likewise. 2024-02-07 Hans-Peter Nilsson Backported from master: 2023-10-13 Hans-Peter Nilsson * 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. 2024-02-07 Hans-Peter Nilsson Backported from master: 2023-10-13 Hans-Peter Nilsson * testsuite/lib/dg-options.exp (dg-require-atomic-cmpxchg-word): New proc. * testsuite/lib/libstdc++.exp (check_v3_target_atomic_cmpxchg_word): Ditto. 2024-02-07 Christophe Lyon Backported from master: 2023-09-14 Christophe Lyon * 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. 2024-02-06 Torbjörn SVENSSON Backported from master: 2024-02-06 Torbjörn SVENSSON * testsuite/lib/libstdc++.exp: Use "nul" for Windows, "/dev/null" for other environments. 2024-01-30 Jonathan Wakely Backported from master: 2024-01-21 Jonathan Wakely PR libstdc++/113500 * include/bits/chrono_io.h (__formatter_chrono::_M_S): Fix printing of subseconds with floating-point rep. (__formatter_chrono::_M_format_to_ostream): Do not write time_point specializations directly to the ostream. (formatter, C>::parse): Do not allow an empty chrono-spec if the type fails to meet the constraints for writing to an ostream with operator<<. * testsuite/std/time/clock/file/io.cc: Check formatting non-integral times with empty chrono-specs. * testsuite/std/time/clock/gps/io.cc: Likewise. * testsuite/std/time/clock/utc/io.cc: Likewise. * testsuite/std/time/hh_mm_ss/io.cc: Likewise. 2024-01-30 Jonathan Wakely Backported from master: 2024-01-21 Jonathan Wakely * include/bits/chrono.h (__file_clock::from_sys) (__file_clock::to_sys, __file_clock::_S_from_sys) (__file_clock::_S_to_sys): Use common_type for return type. * testsuite/std/time/clock/file/members.cc: Check round trip conversion for time with lower precision that seconds. 2024-01-30 Jonathan Wakely Backported from master: 2024-01-21 Jonathan Wakely PR libstdc++/113512 * include/std/format (__formatter_fp::format): Fix logic for alternate forms. * testsuite/std/format/functions/format.cc: Check buggy cases of alternate forms with g presentation type. 2024-01-18 Jonathan Wakely Backported from master: 2024-01-18 Jonathan Wakely PR libstdc++/113450 * testsuite/std/format/functions/format.cc: Use signed char instead of int8_t. 2024-01-18 Jonathan Wakely Backported from master: 2024-01-15 Jonathan Wakely PR testsuite/113366 * include/std/format (basic_format_arg): Use __formattable variable template instead of __format::__formattable_with concept. 2024-01-18 Jonathan Wakely Backported from master: 2024-01-15 Jonathan Wakely * src/c++20/tzdata.zi: Import new file from 2023d release. * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds) Update expiry date for leap seconds list. 2024-01-12 Jonathan Wakely Backported from master: 2024-01-12 Jonathan Wakely * include/std/format (__format::_Arg_store): Fix PR number in comment. Simplify preprocessor code. 2024-01-11 Jonathan Wakely Backported from master: 2024-01-11 Jonathan Wakely * doc/xml/manual/evolution.xml: Fix spelling. * doc/html/manual/api.html: Regenerate. 2024-01-11 François Dumont PR libstdc++/112477 * src/c++11/debug.cc (_Safe_iterator_base::_M_attach): Reset _M_version to 0 if attaching to null sequence. (_Safe_iterator_base::_M_attach_single): Likewise. (_Safe_local_iterator_base::_M_attach): Likewise. (_Safe_local_iterator_base::_M_attach_single): Likewise. * testsuite/23_containers/map/debug/112477.cc: New test case. 2024-01-11 Jonathan Wakely Backported from master: 2024-01-11 Jonathan Wakely * doc/xml/manual/evolution.xml: Document addition of libstdc++exp.a. * doc/html/*: Regenerate. 2024-01-11 Ken Matsui Backported from master: 2024-01-11 Ken Matsui PR libstdc++/113250 * src/c++17/fs_ops.cc (fs::equivalent): Use || instead of &&. * src/filesystem/ops.cc (fs::equivalent): Likewise. * testsuite/27_io/filesystem/operations/equivalent.cc: Handle error codes. * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise. 2024-01-10 Jonathan Wakely Backported from master: 2023-09-08 Jonathan Wakely * doc/html/manual/*: Regenerate. * doc/xml/manual/using.xml: Update documentation on linking. * scripts/testsuite_flags.in: Adjust LDFLAGS to find libstdc++exp instead of libstdc++_libbacktrace. * src/c++20/Makefile.am: Fix comment. * src/c++20/Makefile.in: Regenerate. * src/experimental/Makefile.am: Use LIBADD to include other libraries. * src/experimental/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. 2024-01-08 Jonathan Wakely * testsuite/std/format/functions/format.cc: Add more checks for wstring formatting of arithmetic types. 2024-01-08 Jonathan Wakely Backported from master: 2024-01-08 Jonathan Wakely * include/std/format (formatter::format): Check for _Pres_c and call _M_format_character directly. Cast C to its unsigned equivalent for formatting as an integer. (formatter::format): Likewise. (basic_format_arg(T&)): Store char arguments as unsigned char for formatting to a wide string. (__cpp_lib_format_uchar): Define. * include/std/version (__cpp_lib_format_uchar): Define. * testsuite/std/format/functions/format.cc: Adjust test. Check formatting of characters using all integer presentation types. 2024-01-06 Jonathan Wakely Backported from master: 2024-01-05 Jonathan Wakely PR libstdc++/113241 * include/std/type_traits (is_convertible_v): Guard use of built-in with preprocessor check. 2024-01-06 Jonathan Wakely Backported from master: 2024-01-05 Jonathan Wakely PR libstdc++/113200 * include/bits/char_traits.h (__gnu_cxx::char_traits::move): Use __builtin_constant_p to check for unrelated pointers that cannot be compared during constant evaluation. * testsuite/21_strings/char_traits/requirements/113200.cc: New test. 2024-01-03 Patrick Palka Backported from master: 2024-01-03 Patrick Palka PR testsuite/113175 * testsuite/std/ranges/iota/max_size_type.cc (test02): Reduce 'limit' to 100 from 1000 and adjust 'log2_limit' accordingly. (test03): Likewise. 2023-12-15 Jonathan Wakely Backported from master: 2023-12-14 Jonathan Wakely * testsuite/27_io/objects/char/2.cc: Use dg-output. * testsuite/27_io/objects/wchar_t/2.cc: Use dg-output. 2023-12-15 Jonathan Wakely Backported from master: 2023-12-14 Jonathan Wakely * include/bits/chrono_io.h (__formatter_chrono::_M_S): Fix order of arguments to std::format_to. * testsuite/20_util/duration/io.cc: Test subsecond duration with floating-point rep. 2023-12-13 Jonathan Wakely Backported from master: 2023-12-13 Jonathan Wakely * include/bits/chrono_io.h (__formatter_chrono::_M_C_y_Y): Do not round century down for %Y formats. 2023-12-13 Jonathan Wakely Backported from master: 2023-12-12 Jonathan Wakely * testsuite/std/format/functions/format.cc: Check for expected output for char and bool arguments. * testsuite/std/format/string.cc: Check that 0 filling is rejected for character and string formats. 2023-12-13 Jonathan Wakely Backported from master: 2023-12-12 Jonathan Wakely * include/bits/chrono_io.h (__formatter_chrono::_M_C_y_Y): Fix rounding for negative centuries. * testsuite/std/time/year/io.cc: Check %C for negative years. 2023-12-09 Jonathan Wakely Backported from master: 2023-12-09 Jonathan Wakely PR libstdc++/111826 * include/std/format (__cpp_lib_format): Update value. * include/std/version (__cpp_lib_format): Likewise. * testsuite/std/format/functions/format.cc: Update expected value. 2023-12-09 Jonathan Wakely Backported from master: 2023-12-07 Jonathan Wakely * include/std/format (_Iter_sink): Remove uint64_t local type. 2023-12-09 Jonathan Wakely Backported from master: 2023-12-07 Jonathan Wakely * include/bits/atomic_wait.h: Include instead of . 2023-12-06 Jonathan Wakely Backported from master: 2023-12-05 Jonathan Wakely PR libstdc++/111948 * include/bits/ranges_util.h (subrange): Add constructor to _Size to avoid setting member in constructor. * testsuite/std/ranges/subrange/111948.cc: New test. 2023-12-06 Jonathan Wakely Backported from master: 2023-11-13 Jonathan Wakely PR libstdc++/112480 * include/std/optional (_Optional_payload_base::_M_reset): Set _M_engaged to false unconditionally. 2023-12-06 Jonathan Wakely Backported from master: 2023-11-11 Jonathan Wakely PR libstdc++/112473 * include/bits/utility.h (integer_sequence): Add static_assert. * testsuite/20_util/integer_sequence/112473.cc: New test. 2023-12-06 Jonathan Wakely Backported from master: 2023-12-05 Jonathan Wakely PR libstdc++/112832 * include/std/format (formatter::set_debug_format): Ensure this member is defined conditionally for all specializations. * testsuite/std/format/formatter/112832.cc: New test. 2023-12-06 Jonathan Wakely Backported from master: 2023-11-04 Jonathan Wakely 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. 2023-12-05 Jakub Jelinek Backported from master: 2023-10-13 Jakub Jelinek * 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. 2023-11-28 Jonathan Wakely Backported from master: 2023-11-18 Jonathan Wakely 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. 2023-11-28 Jonathan Wakely Backported from master: 2023-11-28 Jonathan Wakely * include/bits/atomic_wait.h: Include . 2023-11-28 Jonathan Wakely Backported from master: 2023-11-17 Jonathan Wakely * include/std/utility (in_range): Rename _Up parameter to _Res. 2023-11-15 Jonathan Wakely Backported from master: 2023-11-15 Jonathan Wakely 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 Backported from master: 2023-11-15 Jonathan Wakely * 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. 2023-11-14 Jonathan Wakely Backported from master: 2023-11-14 Jonathan Wakely PR libstdc++/112348 * include/std/stacktrace (hash>): Fix type of hash function for entries. * testsuite/19_diagnostics/stacktrace/hash.cc: New test. 2023-11-14 Jonathan Wakely Backported from master: 2023-11-14 Jonathan Wakely 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. 2023-11-14 Jonathan Wakely Backported from master: 2023-11-13 Jonathan Wakely * 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/system/io.cc: Likewise. * testsuite/std/time/clock/tai/io.cc: Likewise. * testsuite/std/time/clock/utc/io.cc: Likewise. 2023-11-13 Tom Tromey Backported from master: 2023-10-04 Tom Tromey * python/libstdcxx/v6/printers.py (StdExpAnyPrinter.__init__): Qualify call to _string_types. 2023-11-13 Tom Tromey Backported from master: 2023-10-04 Tom Tromey * 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. 2023-11-13 Tom Tromey Backported from master: 2023-10-04 Tom Tromey * python/libstdcxx/v6/xmethods.py (_versioned_namespace): Define. 2023-11-13 Tom Tromey Backported from master: 2023-09-28 Tom Tromey * python/libstdcxx/v6/printers.py (Printer.add_version) (add_one_template_type_printer) (FilteringTypePrinter.add_one_type_printer): Use Python "not in" operator. 2023-11-13 Tom Tromey Backported from master: 2023-09-28 Tom Tromey * python/libstdcxx/v6/printers.py (std_ratio_t_tuple): Remove. 2023-11-13 Tom Tromey Backported from master: 2023-09-28 Tom Tromey * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter.__init__, lookup_node_type): Remove unused variables. 2023-11-13 Tom Tromey Backported from master: 2023-09-28 Tom Tromey * python/libstdcxx/v6/printers.py: Don't import 'os'. * python/libstdcxx/v6/__init__.py: Don't import 'gdb'. 2023-11-13 Tom Tromey Backported from master: 2023-09-28 Tom Tromey * python/libstdcxx/v6/printers.py: Use gdb.ValuePrinter everywhere. Rename members to start with "_". 2023-11-13 Jonathan Wakely Backported from master: 2023-09-28 Jonathan Wakely * 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. 2023-11-13 Jonathan Wakely Backported from master: 2023-09-28 Jonathan Wakely * 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. 2023-11-13 Jonathan Wakely Backported from master: 2023-09-28 Jonathan Wakely * python/libstdcxx/v6/printers.py: Format docstrings according to PEP 257. * python/libstdcxx/v6/xmethods.py: Likewise. 2023-11-13 Jonathan Wakely Backported from master: 2023-09-27 Jonathan Wakely * python/libstdcxx/v6/printers.py (StdChronoTimeZoneRulePrinter): Fix incorrect number of replacement fields. 2023-11-13 Jonathan Wakely Backported from master: 2023-09-12 Jonathan Wakely * python/libstdcxx/v6/printers.py: Reformat. * python/libstdcxx/v6/xmethods.py: Likewise. 2023-11-13 Jonathan Wakely Backported from master: 2023-08-24 Jonathan Wakely * python/libstdcxx/v6/printers.py (StdLocalePrinter): New printer class. * testsuite/libstdc++-prettyprinters/locale.cc: New test. 2023-11-13 Jonathan Wakely Backported from master: 2023-08-24 Jonathan Wakely 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. 2023-11-09 Jonathan Wakely Backported from master: 2023-09-15 Jonathan Wakely * testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: Fix test to work for C++23 and C++26 too. 2023-11-09 Jonathan Wakely Backported from master: 2023-08-17 Jonathan Wakely * 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. 2023-11-09 Jonathan Wakely Backported from master: 2023-08-16 Jonathan Wakely * 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. 2023-11-09 Jonathan Wakely Backported from master: 2023-08-17 Jonathan Wakely * 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. 2023-11-09 Jonathan Wakely Backported from master: 2023-08-09 Jonathan Wakely * 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. 2023-11-09 Jonathan Wakely Backported from master: 2023-08-09 Jonathan Wakely * 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. 2023-11-09 Pekka Seppänen Backported from master: 2023-09-11 Pekka Seppänen * 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. 2023-11-09 Alexey Lapshin Backported from master: 2023-09-08 Alexey Lapshin * src/libbacktrace/Makefile.am: Remove -Werror. * src/libbacktrace/Makefile.in: Regenerate. 2023-11-09 Jonathan Wakely Backported from master: 2023-09-07 Jonathan Wakely * 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. 2023-11-09 Jonathan Wakely Backported from master: 2023-08-09 Jonathan Wakely * include/bits/new_allocator.h (__new_allocator): Define copy assignment operator as defaulted. * include/std/complex (complex, complex) (complex): Define copy constructor as defaulted. 2023-11-09 Jonathan Wakely Backported from master: 2023-09-07 Jonathan Wakely * 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. 2023-11-09 Jonathan Wakely Backported from master: 2023-09-15 Jonathan Wakely PR libstdc++/111172 * include/std/variant (get): Remove !is_void static assertions. 2023-11-09 Jonathan Wakely Backported from master: 2023-09-11 Jonathan Wakely * 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. 2023-11-09 Jonathan Wakely Backported from master: 2023-09-11 Jonathan Wakely * 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. 2023-11-08 Jonathan Wakely Backported from master: 2023-11-06 Jonathan Wakely * 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. 2023-11-08 Feng Jisen Backported from master: 2023-11-04 Feng Jisen * include/bits/utility.h (_Nth_type): Remove redundant partial specialization. 2023-11-08 Jonathan Wakely Backported from master: 2023-11-02 Jonathan Wakely 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. 2023-11-08 Jonathan Wakely Backported from master: 2023-11-02 Jonathan Wakely * acinclude.m4 (GLIBCXX_ENABLE_C99): Fix snprintf checks. * configure: Regenerate. 2023-11-08 Jonathan Wakely Backported from master: 2023-10-26 Jonathan Wakely 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. 2023-11-08 Jonathan Wakely Backported from master: 2023-10-26 Jonathan Wakely * 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. 2023-11-08 Jonathan Wakely Backported from master: 2023-10-21 Jonathan Wakely * 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. 2023-11-06 Ian Lance Taylor 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. 2023-10-30 François Dumont * src/experimental/contract.cc [_GLIBCXX_INLINE_VERSION](handle_contract_violation): Provide symbol without version namespace decoration for gcc. 2023-10-25 Jonathan Wakely Backported from master: 2023-10-25 Jonathan Wakely PR libstdc++/111936 * src/libbacktrace/Makefile.am: Add -prefer-pic to libtool compile commands. * src/libbacktrace/Makefile.in: Regenerate. 2023-10-25 Paul M. Bendixen Backported from master: 2023-10-24 Paul M. Bendixen * include/Makefile.am: Move cstdarg, cstdalign and cstdbool to freestanding. * include/Makefile.in: Regenerate. 2023-10-23 François Dumont * 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. 2023-10-21 Benjamin Brock Backported from master: 2023-10-21 Benjamin Brock * include/std/ranges (zip_view, adjacent_view): Implement workaround for LLVM-61763. 2023-10-21 Jonathan Wakely Backported from master: 2023-10-21 Jonathan Wakely * include/bits/fs_dir.h (operator==(default_sentinel_t)): Fix indentation. 2023-10-21 Nathaniel Shead Backported from master: 2023-09-29 Nathaniel Shead * 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. 2023-10-02 Tim Song Backported from master: 2023-09-28 Tim Song 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 Paul Dreik Backported from master: 2023-08-24 Paul Dreik PR libstdc++/111102 * testsuite/std/format/string.cc: Check wide character format strings with out-of-range widths. 2023-09-27 François Dumont Backported from master: 2023-09-13 François Dumont * include/std/format (std::__format::_Arg_store): Explicit version namespace on make_format_args friend declaration. 2023-09-27 Paul Dreik Backported from master: 2023-08-24 Paul Dreik PR libstdc++/111102 * include/std/format (__format::__parse_integer): Check for non-null pointer. 2023-09-27 Jonathan Wakely Backported from master: 2023-08-09 Jonathan Wakely * include/std/format: Fix some warnings. (__format::__write(Ctx&, basic_string_view)): Remove unused function template. 2023-09-27 Jonathan Wakely Backported from master: 2023-07-27 Jonathan Wakely 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. 2023-09-27 Jonathan Wakely Backported from master: 2023-08-09 Jonathan Wakely * 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. 2023-09-26 Jonathan Wakely Backported from master: 2023-09-25 Jonathan Wakely PR libstdc++/111511 PR c++/111512 * include/std/array (to_array): Qualify calls to __to_array. * testsuite/23_containers/array/creation/111512.cc: New test. 2023-09-18 Jonathan Wakely Backported from master: 2023-09-18 Jonathan Wakely * 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. 2023-09-14 Jonathan Wakely PR c++/111357 * include/bits/utility.h (make_integer_sequence): Add cast. * testsuite/20_util/integer_sequence/pr111357.cc: New test. 2023-09-08 Jonathan Wakely * doc/xml/manual/test.xml: Update reference to -std=gnu++14 as the default. * doc/html/manual/test.html: Regenerate. 2023-09-08 Jonathan Wakely * testsuite/20_util/uses_allocator/lwg3677.cc: Fix -std in dg-options. 2023-09-08 Jonathan Wakely Backported from master: 2023-09-01 Jonathan Wakely * testsuite/27_io/filesystem/path/108636.cc: Add dg-require for filesystem support. 2023-09-08 Jonathan Wakely Backported from master: 2023-09-01 Jonathan Wakely * src/c++20/tzdb.cc (tzdb::current_zone): Check configure macros for POSIX readlink before using filesystem::read_symlink. 2023-09-08 Jonathan Wakely Backported from master: 2023-09-01 Jonathan Wakely * include/std/format (__format::_Sink::_M_reset): Change second argument from iterator to offset. 2023-08-22 Jonathan Wakely Backported from master: 2023-08-17 Jonathan Wakely * 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. 2023-08-22 Jonathan Wakely Backported from master: 2023-08-17 Jonathan Wakely * src/c++20/tzdb.cc (tzdata_file, leaps_file): Change type to std::string_view. 2023-08-22 Jonathan Wakely Backported from master: 2023-08-17 Jonathan Wakely * include/experimental/internet (address_v4::to_string): Remove unused parameter name. 2023-08-22 Jonathan Wakely Backported from master: 2023-08-17 Jonathan Wakely * libsupc++/compare (__cmp_cat::__unseq): Make ctor consteval. * testsuite/18_support/comparisons/categories/zero_neg.cc: Prune excess errors caused by invalid consteval calls. 2023-08-14 Jonathan Wakely Backported from master: 2023-08-14 Paul Dreik PR libstdc++/110860 * include/std/format (__formatter_fp::format): Use frexp instead of log10. 2023-08-14 Jonathan Wakely Backported from master: 2023-08-11 Jonathan Wakely 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::_M_overflow): Only switch to the internal buffer after running out of space. (_Iter_sink::_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 Backported from master: 2023-08-11 Jonathan Wakely * 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 Backported from master: 2023-08-10 Jonathan Wakely PR libstdc++/110970 * include/bits/stl_iterator.h (__detail::__move_iter_cat): Use __iter_category_t. (iterator_traits>::_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. 2023-08-11 Jonathan Wakely Backported from master: 2023-08-10 Jonathan Wakely PR libstdc++/110974 * include/std/format (_Spec::_M_parse_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. 2023-08-11 Jonathan Wakely Backported from master: 2023-08-10 Jonathan Wakely PR libstdc++/110968 * include/std/format (__formatter_fp::format): Check return value of _M_localize. * testsuite/std/format/functions/format.cc: Check classic locale. 2023-08-08 Jonathan Wakely Backported from master: 2023-08-07 Jonathan Wakely PR libstdc++/110860 * include/std/format (__formatter_fp::format): Do not use __builtin_abs and __builtin_log10 with arbitrary floating-point types. 2023-08-08 Jonathan Wakely Backported from master: 2023-08-07 Jonathan Wakely PR libstdc++/110917 * include/std/format (__format::_Iter_sink): Constrain partial specialization for contiguous iterators to require the value type to be CharT. * testsuite/std/format/functions/format_to.cc: New test. 2023-08-08 Jonathan Wakely Backported from master: 2023-08-07 Jonathan Wakely 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. 2023-07-28 Jonathan Wakely Backported from master: 2023-07-19 Jonathan Wakely * 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. 2023-07-28 Jonathan Wakely Backported from master: 2023-07-19 Jonathan Wakely 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. 2023-07-28 Jonathan Wakely Backported from master: 2023-07-19 Jonathan Wakely 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. 2023-07-28 Jonathan Wakely Backported from master: 2023-07-19 Jonathan Wakely 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. 2023-07-28 Jonathan Wakely Backported from master: 2023-07-19 Jonathan Wakely * include/std/format (__write_padded): Initialize first element of array to avoid a -Wmaybe-uninitialized warning. 2023-07-28 Jonathan Wakely Backported from master: 2023-07-19 Jonathan Wakely 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. 2023-07-28 Deev Patel Backported from master: 2023-07-24 Deev Patel * include/std/format (_Formatting_scanner::_M_on_chars): Add missing constexpr specifier. (_Formatting_scanner::_M_format_arg): Likewise. 2023-07-28 Jonathan Wakely Backported from master: 2023-07-26 Jonathan Wakely PR libstdc++/110807 * include/bits/stl_bvector.h (vector(const vector&)): Access iterators before allocating. * include/bits/vector.tcc (vector::_M_insert_range): Likewise. * testsuite/23_containers/vector/bool/110807.cc: New test. 2023-07-28 Jonathan Wakely Backported from master: 2023-07-26 Jonathan Wakely * 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. 2023-07-27 Release Manager * GCC 13.2.0 released. 2023-07-19 Jonathan Wakely PR libstdc++/109921 * src/c++17/floating_from_chars.cc (USE_STRTOF128_FOR_FROM_CHARS): Only define when USE_STRTOD_FOR_FROM_CHARS is also defined. (USE_STRTOD_FOR_FROM_CHARS): Do not undefine when long double is binary64. (from_chars(const char*, const char*, double&, chars_format)): Check __LDBL_MANT_DIG__ == __DBL_MANT_DIG__ here. 2023-07-19 Jonathan Wakely Backported from master: 2023-06-30 Jonathan Wakely PR libstdc++/110432 * acinclude.m4 (GLIBCXX_CHECK_INIT_PRIORITY): New. * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Use GLIBCXX_CHECK_INIT_PRIORITY. * include/std/iostream: Use new autoconf macro as well as __has_attribute. * src/c++98/ios_base_init.h: Use new autoconf macro instead of __has_attribute. 2023-07-19 Iain Sandoe Backported from master: 2023-07-03 Iain Sandoe * testsuite/lib/libstdc++.exp: Remove additional flag handled by Darwin specs. 2023-07-18 Jonathan Wakely Backported from master: 2023-07-05 Jonathan Wakely PR libstdc++/110542 * include/bits/stl_uninitialized.h (__uninitialized_default_n): Do not use std::fill_n during constant evaluation. 2023-07-18 Jonathan Wakely Backported from master: 2023-06-26 Jonathan Wakely * include/bits/iterator_concepts.h (projected): Replace class template with alias template denoting an ADL-proofed helper. (incremental_traits>): Remove. * testsuite/24_iterators/indirect_callable/projected-adl.cc: New test. 2023-07-18 Jonathan Wakely Backported from master: 2023-07-12 Jonathan Wakely PR libstdc++/110574 * acinclude.m4 (GLIBCXX_CHECK_LFS): Check for fseeko and ftello and define _GLIBCXX_USE_FSEEKO_FTELLO. * config.h.in: Regenerate. * configure: Regenerate. * config/io/basic_file_stdio.cc (xwrite) [_GLIBCXX_USE_STDIO_PURE]: Check for fwrite error correctly. (__basic_file::xsgetn) [_GLIBCXX_USE_STDIO_PURE]: Check for fread error correctly. (get_file_offset): New function. (__basic_file::seekoff) [_GLIBCXX_USE_STDIO_PURE]: Use fseeko if available. Use get_file_offset instead of return value of fseek. (__basic_file::showmanyc): Use get_file_offset. 2023-07-18 Tianqiang Shuai <1101282468@qq.com> Backported from master: 2023-07-06 Tianqiang Shuai <1101282468@qq.com> * config/io/basic_file_stdio.cc (xwrite) [USE_STDIO_PURE]: Fix first argument. 2023-07-18 Jonathan Wakely Backported from master: 2023-07-05 Jonathan Wakely * testsuite/23_containers/forward_list/debug/iterator1_neg.cc: Skip as UNSUPPORTED for C++98 mode. * testsuite/23_containers/forward_list/debug/iterator3_neg.cc: Likewise. 2023-07-18 Jonathan Wakely Backported from master: 2023-07-03 Jonathan Wakely * testsuite/27_io/headers/iosfwd/synopsis.cc: Make wsyncbuf and wosyncstream depend on _GLIBCXX_USE_CXX11_ABI. 2023-07-18 Jonathan Wakely Backported from master: 2023-06-29 Jonathan Wakely * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define consistently with USE_ATOMIC_LIST_HEAD. (list_mutex): Replace global object with function. Use local static object when std::mutex constructor isn't constexpr. 2023-07-18 Jonathan Wakely Backported from master: 2023-07-03 Jonathan Wakely * 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. 2023-07-18 Jonathan Wakely Backported from master: 2023-06-26 Jonathan Wakely * include/debug/helper_functions.h (__get_distance) (__check_singular, __valid_range_aux, __valid_range): Qualify calls to disable ADL. (__check_singular_aux(const _Safe_iterator_base*)): Declare overload that was previously found via ADL. 2023-07-12 Jonathan Wakely Backported from master: 2023-07-12 Jonathan Wakely PR libstdc++/95048 * testsuite/27_io/filesystem/path/construct/95048.cc: Check conversions to wide strings. * testsuite/experimental/filesystem/path/construct/95048.cc: Likewise. 2023-07-06 Jonathan Wakely Backported from master: 2023-07-06 Jonathan Wakely PR libstdc++/104299 * doc/xml/manual/configure.xml: Describe stdio_pure argument to --enable-cstdio. * doc/html/manual/configure.html: Regenerate. 2023-06-29 Jonathan Wakely Backported from master: 2023-05-31 Jonathan Wakely * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Fix for 32-bit pointers to check __INT_PTR_WIDTH__ instead of sizeof(void*). * configure: Regenerate. 2023-06-29 Jonathan Wakely Backported from master: 2023-05-31 Jonathan Wakely * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Extend logic for avr and msp430 to all 16-bit targets. * configure: Regenerate. 2023-06-29 Jonathan Wakely Backported from master: 2023-06-26 Jonathan Wakely PR libstdc++/110239 * include/std/format (__format::__parse_integer): Fix buffer overflow for wide chars. (formatter::format): Cast to uintptr_t instead of uint64_t. * testsuite/std/format/string.cc: Test too-large widths. 2023-06-29 Jonathan Wakely Backported from master: 2023-06-09 Jonathan Wakely PR libstdc++/110149 * include/std/format (formatter::parse): Only alow 0 and P for C++26 and non-strict modes. (formatter::format): Use toupper for P type, and insert zero-fill characters for 0 option. * testsuite/std/format/functions/format.cc: Check pointer formatting. Only check P2510R3 extensions conditionally. * testsuite/std/format/parse_ctx.cc: Only check P2510R3 extensions conditionally. 2023-06-29 Jonathan Wakely Backported from master: 2023-05-16 Jonathan Wakely PR libstdc++/109741 * acinclude.m4 (GLIBCXX_CHECK_ALIGNAS_CACHELINE): Define. * config.h.in: Regenerate. * configure: Regenerate. * configure.ac: Use GLIBCXX_CHECK_ALIGNAS_CACHELINE. * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex): Do not align lock table if not supported. use __GCC_DESTRUCTIVE_SIZE instead of hardcoded 64. 2023-06-29 Jonathan Wakely Backported from master: 2023-06-09 Jonathan Wakely PR libstdc++/100285 * include/experimental/internet [IPPROTO_TCP || IPPROTO_UDP] (basic_endpoint, basic_resolver_entry, resolver_base) (basic_resolver_results, basic_resolver): Only define if the tcp or udp protocols will be defined. 2023-06-29 Jonathan Wakely Backported from master: 2023-06-07 Jonathan Wakely * testsuite/20_util/duration/cons/2.cc: Use values that aren't affected by rounding. * testsuite/20_util/from_chars/5.cc: Cast arithmetic result to double before comparing for equality. * testsuite/20_util/from_chars/6.cc: Likewise. * testsuite/20_util/variant/86874.cc: Use values that aren't affected by rounding. * testsuite/25_algorithms/lower_bound/partitioned.cc: Compare to original value instead of to floating-point-literal. * testsuite/26_numerics/random/discrete_distribution/cons/range.cc: Cast arithmetic result to double before comparing for equality. * testsuite/26_numerics/random/piecewise_constant_distribution/cons/range.cc: Likewise. * testsuite/26_numerics/random/piecewise_linear_distribution/cons/range.cc: Likewise. * testsuite/26_numerics/valarray/transcend.cc (eq): Check that the absolute difference is less than 0.01 instead of comparing to two decimal places. * testsuite/27_io/basic_istream/extractors_arithmetic/char/01.cc: Cast arithmetic result to double before comparing for equality. * testsuite/27_io/basic_istream/extractors_arithmetic/char/09.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/char/10.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/01.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/09.cc: Likewise. * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/10.cc: Likewise. * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise. 2023-06-29 Jonathan Wakely Backported from master: 2023-05-31 Jonathan Wakely * 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. 2023-06-29 Jonathan Wakely Backported from master: 2023-06-09 Jonathan Wakely * 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. 2023-06-06 Jonathan Wakely Backported from master: 2023-06-01 Jonathan Wakely * include/std/expected (expected::and_then, expected::or_else) (expected::transform_error): Use _M_val and _M_unex instead of calling value() and error(), as per LWG 3938. (expected::transform): Likewise. Remove incorrect std::move calls from lvalue overloads. (expected::and_then, expected::or_else) (expected::transform): Use _M_unex instead of calling error(). * testsuite/20_util/expected/lwg3877.cc: Add checks for and_then and transform, and for std::expected. * testsuite/20_util/expected/lwg3938.cc: New test. 2023-06-06 Jonathan Wakely Backported from master: 2023-05-17 Jonathan Wakely * include/std/expected (expected::and_then, expected::or_else) (expected::transform, expected::transform_error): Fix exception specifications as per LWG 3877. (expected::and_then, expected::transform): Likewise. * testsuite/20_util/expected/lwg3877.cc: New test. 2023-06-06 Jonathan Wakely Backported from master: 2023-06-06 Jonathan Wakely PR libstdc++/108178 * src/filesystem/ops-common.h (do_copy_file): Check for empty files by trying to read a character. * testsuite/27_io/filesystem/operations/copy_file_108178.cc: New test. 2023-06-06 Jonathan Wakely Backported from master: 2023-06-06 Jonathan Wakely * src/filesystem/ops-common.h (do_copy_file) [O_CLOEXEC]: Set close-on-exec flag on file descriptors. 2023-06-06 Jonathan Wakely Backported from master: 2023-06-06 Jonathan Wakely PR libstdc++/110139 * include/std/array (__array_traits::operator T*()): Make conversion operator explicit. (array::front): Use size_type as subscript operand. (array::data): Use static_cast to make conversion explicit. * testsuite/23_containers/array/element_access/110139.cc: New test. 2023-06-06 Joseph Faulls Backported from master: 2023-06-06 Joseph Faulls * include/bits/locale_classes.tcc: Remove check for codecvt facet. 2023-06-01 Jonathan Wakely Backported from master: 2023-05-11 Jonathan Wakely 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. 2023-06-01 Jonathan Wakely Backported from master: 2023-05-12 Jonathan Wakely * testsuite/experimental/feat-cxx14.cc: Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1. 2023-06-01 Jonathan Wakely Backported from master: 2023-05-12 Jonathan Wakely * testsuite/21_strings/basic_string_view/typedefs.cc: Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1. * testsuite/experimental/string_view/typedefs.cc: Likewise. 2023-06-01 Jonathan Wakely Backported from master: 2023-06-01 Jonathan Wakely * testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: Add const to equality operator. 2023-06-01 Jonathan Wakely Backported from master: 2023-06-01 Jonathan Wakely * doc/xml/manual/evolution.xml: Document removal of implicit allocator rebinding extensions in strict mode and for C++20. * doc/html/*: Regenerate. 2023-06-01 Jonathan Wakely Backported from master: 2023-05-12 Jonathan Wakely * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Use a non-null pointer to check for nan, nanf, and nanl. * configure: Regenerate. 2023-06-01 Jonathan Wakely Backported from master: 2023-05-16 Jonathan Wakely * testsuite/libstdc++-prettyprinters/chrono.cc: Only test printer for chrono::zoned_time for cx11 ABI and tzdb effective target. 2023-06-01 Jonathan Wakely Backported from master: 2023-05-09 Jonathan Wakely * python/libstdcxx/v6/printers.py (StdChronoDurationPrinter): Print floating-point durations correctly. (StdChronoTimePointPrinter): Support printing only the value, not the type name. Uncomment handling for known clocks. (StdChronoZonedTimePrinter): Remove type names from output. (StdChronoCalendarPrinter): Fix hh_mm_ss member access. (StdChronoTimeZonePrinter): Add equals sign to output. * testsuite/libstdc++-prettyprinters/chrono.cc: New test. 2023-05-30 Alexandre Oliva Backported from master: 2023-05-30 Alexandre Oliva * testsuite/20_util/from_chars/4.cc: Skip long double test06 on x86_64-vxworks. * testsuite/20_util/to_chars/long_double.cc: Xfail run on x86_64-vxworks. 2023-05-30 Matthias Kretz Backported from master: 2023-05-30 Matthias Kretz PR libstdc++/109822 * include/experimental/bits/simd.h (to_native): Use int NTTP as specified in PTS2. (to_compatible): Likewise. Add missing tag to call mask generator ctor. * testsuite/experimental/simd/pr109822_cast_functions.cc: New test. 2023-05-30 Matthias Kretz Backported from master: 2023-05-30 Matthias Kretz * testsuite/experimental/simd/tests/integer_operators.cc: Compute expected value differently to avoid getting turned into a vector shift. 2023-05-30 Matthias Kretz Backported from master: 2023-05-30 Matthias Kretz * testsuite/experimental/simd/tests/operator_cvt.cc: Make long double <-> (u)long conversion tests conditional on sizeof(long double) and sizeof(long). 2023-05-30 Matthias Kretz Backported from master: 2023-05-26 Matthias Kretz * include/experimental/bits/simd_ppc.h (_S_bit_shift_left): Negative __y is UB, so prefer signed compare. 2023-05-25 Alexandre Oliva Backported from master: 2023-05-25 Alexandre Oliva * testsuite/20_util/to_chars/long_double.cc: Expect execution fail on x86-vxworks. 2023-05-25 Matthias Kretz Backported from master: 2023-05-23 Matthias Kretz PR libstdc++/109261 * include/experimental/bits/simd.h (_SimdWrapper::_M_set): Avoid vector builtin subscripting in constant expressions. (resizing_simd_cast): Avoid memcpy if constant_evaluated. (const_where_expression, where_expression, where) (__extract_part, simd_mask, _SimdIntOperators, simd): Add either _GLIBCXX_SIMD_CONSTEXPR (on public APIs), or constexpr (on internal APIs). * include/experimental/bits/simd_builtin.h (__vector_permute) (__vector_shuffle, __extract_part, _GnuTraits::_SimdCastType1) (_GnuTraits::_SimdCastType2, _SimdImplBuiltin) (_MaskImplBuiltin::_S_store): Add constexpr. (_CommonImplBuiltin::_S_store_bool_array) (_SimdImplBuiltin::_S_load, _SimdImplBuiltin::_S_store) (_SimdImplBuiltin::_S_reduce, _MaskImplBuiltin::_S_load): Add constant_evaluated case. * include/experimental/bits/simd_fixed_size.h (_S_masked_load): Reword comment. (__tuple_element_meta, __make_meta, _SimdTuple::_M_apply_r) (_SimdTuple::_M_subscript_read, _SimdTuple::_M_subscript_write) (__make_simd_tuple, __optimize_simd_tuple, __extract_part) (__autocvt_to_simd, _Fixed::__traits::_SimdBase) (_Fixed::__traits::_SimdCastType, _SimdImplFixedSize): Add constexpr. (_SimdTuple::operator[], _M_set): Add constexpr and add constant_evaluated case. (_MaskImplFixedSize::_S_load): Add constant_evaluated case. * include/experimental/bits/simd_scalar.h: Add constexpr. * include/experimental/bits/simd_x86.h (_CommonImplX86): Add constexpr and add constant_evaluated case. (_SimdImplX86::_S_equal_to, _S_not_equal_to, _S_less) (_S_less_equal): Value-initialize to satisfy constexpr evaluation. (_MaskImplX86::_S_load): Add constant_evaluated case. (_MaskImplX86::_S_store): Add constexpr and constant_evaluated case. Value-initialize local variables. (_MaskImplX86::_S_logical_and, _S_logical_or, _S_bit_not) (_S_bit_and, _S_bit_or, _S_bit_xor): Add constant_evaluated case. * testsuite/experimental/simd/pr109261_constexpr_simd.cc: New test. 2023-05-25 Matthias Kretz Backported from master: 2023-05-24 Matthias Kretz PR libstdc++/109949 * include/experimental/bits/simd.h (__intrinsic_type): If __ALTIVEC__ is defined, map gnu::vector_size types to their corresponding __vector T types without losing unsignedness of integer types. Also prefer long long over long. * include/experimental/bits/simd_ppc.h (_S_popcount): Cast mask object to the expected unsigned vector type. 2023-05-25 Matthias Kretz Backported from master: 2023-05-24 Matthias Kretz PR libstdc++/109261 * include/experimental/bits/simd_neon.h (_S_reduce): Add constexpr and make NEON implementation conditional on not __builtin_is_constant_evaluated. 2023-05-25 Matthias Kretz Backported from master: 2023-05-24 Matthias Kretz PR libstdc++/109261 * include/experimental/bits/simd.h (__intrinsic_type): Specialize __intrinsic_type and __intrinsic_type in any case, but provide the member type only with __aarch64__. 2023-05-25 Matthias Kretz Backported from master: 2023-05-22 Matthias Kretz * include/experimental/bits/simd_builtin.h (_S_fpclassify): Move __infn into #ifdef'ed block. * testsuite/experimental/simd/tests/fpclassify.cc: Declare constants only when used. * testsuite/experimental/simd/tests/frexp.cc: Likewise. * testsuite/experimental/simd/tests/logarithm.cc: Likewise. * testsuite/experimental/simd/tests/trunc_ceil_floor.cc: Likewise. * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc: Move totest and expect1 into #ifdef'ed block. 2023-05-17 Jakub Jelinek Backported from master: 2023-05-17 Jakub Jelinek PR libstdc++/109883 * testsuite/26_numerics/headers/cmath/constexpr_std_c++23.cc: New test. 2023-05-17 Jakub Jelinek Backported from master: 2023-05-17 Jakub Jelinek PR libstdc++/109883 * include/c_global/cmath (atan2, fmod, pow): Move __gnu_cxx::__promote_2 using templates after _Float{16,32,64,128} and __gnu_cxx::__bfloat16_t overloads. (copysign, fdim, fmax, fmin, hypot, nextafter, remainder, remquo): Likewise. (fma): Move __gnu_cxx::__promote_3 using template after _Float{16,32,64,128} and __gnu_cxx::__bfloat16_t overloads. 2023-05-11 Jonathan Wakely Backported from master: 2023-05-11 Jonathan Wakely * config/abi/pre/gnu.ver: Export basic_string::_S_allocate. * include/bits/basic_string.h: (basic_string::_Alloc_traits_impl): Remove class template. (basic_string::_S_allocate): New static member function. (basic_string::assign): Use _S_allocate. * include/bits/basic_string.tcc (basic_string::_M_create) (basic_string::reserve, basic_string::_M_replace): Likewise. 2023-05-05 Alexandre Oliva Backported from master: 2023-05-05 Alexandre Oliva * testsuite/20_util/from_chars/4.cc: Skip long double test06 on aarch64-vxworks. * testsuite/20_util/to_chars/long_double.cc: Xfail run on aarch64-vxworks. 2023-05-04 Jonathan Wakely Backported from master: 2023-05-04 Jonathan Wakely * doc/xml/manual/abi.xml (abi.versioning.history): Document libstdc++.so.6.0.32 and GLIBCXX_3.4.32 version. * doc/html/manual/abi.html: Regenerate. 2023-05-04 Florian Weimer Backported from master: 2023-05-04 Florian Weimer * doc/xml/manual/abi.xml (abi.versioning.history): Add GCC_7.0.0, GCC_9.0.0, GCC_11.0, GCC_12.0.0, GCC_13.0.0 for libgcc_s. 2023-05-04 Jakub Jelinek Backported from master: 2023-05-03 Jakub Jelinek * src/c++17/floating_from_chars.cc (_ZSt10from_charsPKcS0_RDF128_St12chars_format): New alias to _ZSt10from_charsPKcS0_Ru9__ieee128St12chars_format. * src/c++17/floating_to_chars.cc (_ZSt8to_charsPcS_DF128_): New alias to _ZSt8to_charsPcS_u9__ieee128. (_ZSt8to_charsPcS_DF128_St12chars_format): New alias to _ZSt8to_charsPcS_u9__ieee128St12chars_format. (_ZSt8to_charsPcS_DF128_St12chars_formati): New alias to _ZSt8to_charsPcS_u9__ieee128St12chars_formati. * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: Updated. 2023-05-04 Jakub Jelinek Backported from master: 2023-05-03 Jakub Jelinek * configure.host (abi_baseline_pair): Use powerpc64le-linux-gnu rather than powerpc64-linux-gnu for powerpc64le*-linux*. * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Remove _ZTI*DF128_, _ZTI*DF64x symbols and symbols in GLIBCXX_IEEE128_3.4.{29,30,31} and CXXABI_IEEE128_1.3.13 symbol versions. * config/abi/post/powerpc64le-linux-gnu/baseline_symbols.txt: New file. 2023-05-04 Jakub Jelinek Backported from master: 2023-05-02 Jakub Jelinek * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update. * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update. 2023-05-04 Jakub Jelinek Backported from master: 2023-05-02 Jakub Jelinek PR libstdc++/109694 * src/c++98/ios_init.cc: Add #pragma GCC diagnostic ignored for -Wattribute-alias. 2023-05-04 Jakub Jelinek Backported from master: 2023-04-28 Jakub Jelinek PR libstdc++/108969 * config/abi/pre/gnu.ver (GLIBCXX_3.4.32): Export _ZSt21ios_base_library_initv. * testsuite/util/testsuite_abi.cc (check_version): Add GLIBCXX_3.4.32 symver and make it the latestp. * src/c++98/ios_init.cc (ios_base_library_init): New alias. * acinclude.m4 (libtool_VERSION): Change to 6:32:0. * include/std/iostream: If init_priority attribute is supported and _GLIBCXX_SYMVER_GNU, force undefined _ZSt21ios_base_library_initv symbol into the object. * configure: Regenerated. 2023-05-03 Kefu Chai Backported from master: 2023-05-03 Kefu Chai Jonathan Wakely PR libstdc++/109703 * include/bits/basic_string.h (basic_string(Iter, Iter, Alloc)): Initialize _M_string_length. 2023-04-28 Patrick Palka Backported from master: 2023-04-24 Patrick Palka * include/bits/max_size_type.h (__max_diff_type::operator>>=): Fix propagation of sign bit. * testsuite/std/ranges/iota/max_size_type.cc: Avoid using the non-standard 'signed typedef-name'. Add some compile-time tests for right-shifting a negative __max_diff_type value by more than one. 2023-04-28 Jonathan Wakely Backported from master: 2023-04-28 Jonathan Wakely * include/bits/random.h (gamma_distribution): Add to the right doxygen group. (discrete_distribution, piecewise_constant_distribution) (piecewise_linear_distribution): Create a new doxygen group and fix the incomplete doxygen comments. * include/bits/uniform_int_dist.h (uniform_int_distribution): Add to doxygen group. 2023-04-28 Jonathan Wakely Backported from master: 2023-04-28 Jonathan Wakely * include/bits/uses_allocator.h: Add missing @file comment. * include/bits/regex.tcc: Remove stray doxygen comments. * include/experimental/memory_resource: Likewise. * include/std/bit: Tweak doxygen @cond comments. * include/std/expected: Likewise. * include/std/numbers: Likewise. 2023-04-28 Jonathan Wakely Backported from master: 2023-04-28 Jonathan Wakely * doc/doxygen/user.cfg.in (STRIP_FROM_PATH): Remove prefixes from header paths. 2023-04-28 Jonathan Wakely Backported from master: 2023-04-28 Jonathan Wakely * include/bits/move.h: Simplify opening/closing namespace std. 2023-04-28 Jonathan Wakely Backported from master: 2023-04-27 Jonathan Wakely * include/bits/memory_resource.h: Improve doxygen comments. * include/std/memory_resource: Likewise. 2023-04-28 Jonathan Wakely Backported from master: 2023-04-27 Jonathan Wakely 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. 2023-04-27 Jonathan Wakely Backported from master: 2023-04-27 Jonathan Wakely * include/bits/mofunc_impl.h: Fix typo in doxygen comment. * include/std/format: Likewise. 2023-04-27 Jonathan Wakely Backported from master: 2023-04-27 Jonathan Wakely * doc/doxygen/user.cfg.in (SOURCE_BROWSER): Only set to YES for HTML docs. * include/bits/gslice_array.h (_DEFINE_VALARRAY_OPERATOR): Omit from doxygen docs. * include/bits/indirect_array.h (_DEFINE_VALARRAY_OPERATOR): Likewise. * include/bits/mask_array.h (_DEFINE_VALARRAY_OPERATOR): Likewise. * include/bits/slice_array.h (_DEFINE_VALARRAY_OPERATOR): Likewise. * include/std/valarray (_DEFINE_VALARRAY_UNARY_OPERATOR) (_DEFINE_VALARRAY_AUGMENTED_ASSIGNMENT) (_DEFINE_VALARRAY_EXPR_AUGMENTED_ASSIGNMENT) (_DEFINE_BINARY_OPERATOR): Likewise. 2023-04-26 Release Manager * GCC 13.1.0 released. 2023-04-19 Jonathan Wakely Revert: 2023-04-18 Jonathan Wakely PR libstdc++/108969 * src/Makefile.am: Move globals_io.cc to here. * src/Makefile.in: Regenerate. * src/c++98/Makefile.am: Remove globals_io.cc from here. * src/c++98/Makefile.in: Regenerate. * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust symbol name and then export with GLIBCXX_3.4.31 symver. (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise. * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Regenerate. * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Regenerate. * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Regenerate. * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Regenerate. * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Regenerate. * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Regenerate. * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Regenerate. * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Regenerate. * config/abi/pre/gnu.ver: Add iostream objects to new symver. 2023-04-19 Jonathan Wakely Revert: 2023-04-18 Jonathan Wakely PR libstdc++/108969 * config/abi/pre/gnu.ver: Fix preprocessor condition. 2023-04-18 Jonathan Wakely Backported from master: 2023-04-18 Jonathan Wakely PR libstdc++/108969 * config/abi/pre/gnu.ver: Fix preprocessor condition. 2023-04-18 Jonathan Wakely PR libstdc++/108969 * src/Makefile.am: Move globals_io.cc to here. * src/Makefile.in: Regenerate. * src/c++98/Makefile.am: Remove globals_io.cc from here. * src/c++98/Makefile.in: Regenerate. * src/c++98/globals_io.cc [_GLIBCXX_SYMVER_GNU] (cin): Adjust symbol name and then export with GLIBCXX_3.4.31 symver. (cout, cerr, clog, wcin, wcout, wcerr, wclog): Likewise. * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Regenerate. * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Regenerate. * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Regenerate. * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Regenerate. * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Regenerate. * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Regenerate. * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Regenerate. * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Regenerate. * config/abi/pre/gnu.ver: Add iostream objects to new symver. 2023-04-18 Patrick Palka Backported from master: 2023-04-18 Patrick Palka PR libstdc++/108827 * include/bits/ranges_cmp.h (__cpp_lib_ranges): Bump value for C++23. * include/std/ranges (range_adaptor_closure): Define for C++23. * include/std/version (__cpp_lib_ranges): Bump value for C++23. * testsuite/std/ranges/version_c++23.cc: Bump expected value of __cpp_lib_ranges. * testsuite/std/ranges/range_adaptor_closure.cc: New test. 2023-04-18 Patrick Palka Backported from master: 2023-04-18 Patrick Palka * include/bits/ranges_algo.h (__cpp_lib_ranges_contains): Define for C++23. (__cpp_lib_ranges_iota): Likewise. (__cpp_lib_ranges_find_last): Likewise. (__cpp_lib_fold): Rename to ... (__cpp_lib_ranges_fold): ... this. * include/std/version: As above. * testsuite/25_algorithms/fold_left/1.cc: Adjust after renaming __cpp_lib_fold. * testsuite/std/ranges/version_c++23.cc: Verify values of the above feature-test macros. 2023-04-18 Patrick Palka Backported from master: 2023-04-18 Patrick Palka PR libstdc++/109525 * include/std/ranges (views::_AsConst::operator()): Add missing const to constant_range test. * testsuite/std/ranges/adaptors/as_const/1.cc (test02): Improve formatting. Adjust expected type of v2. (test03): New test. 2023-04-14 Patrick Palka * include/bits/ranges_base.h (const_iterator_t): Define for C++23. (const_sentinel_t): Likewise. (range_const_reference_t): Likewise. (constant_range): Likewise. (__cust_access::__possibly_const_range): Likewise, replacing ... (__cust_access::__as_const): ... this. (__cust_access::_CBegin::operator()): Redefine for C++23 as per P2278R4. (__cust_access::_CEnd::operator()): Likewise. (__cust_access::_CRBegin::operator()): Likewise. (__cust_access::_CREnd::operator()): Likewise. (__cust_access::_CData::operator()): Likewise. * include/bits/ranges_util.h (ranges::__detail::__different_from): Make it an alias of std::__detail::__different_from. (view_interface::cbegin): Define for C++23. (view_interface::cend): Likewise. * include/bits/stl_iterator.h (__detail::__different_from): Define. (iter_const_reference_t): Define for C++23. (__detail::__constant_iterator): Likewise. (__detail::__is_const_iterator): Likewise. (__detail::__not_a_const_iterator): Likewise. (__detail::__iter_const_rvalue_reference_t): Likewise. (__detail::__basic_const_iter_cat):: Likewise. (const_iterator): Likewise. (__detail::__const_sentinel): Likewise. (const_sentinel): Likewise. (basic_const_iterator): Likewise. (common_type, _Up>): Likewise. (common_type<_Up, basic_const_iterator<_Tp>>): Likewise. (common_type, basic_const_iterator>): Likewise. (make_const_iterator): Define for C++23. (make_const_sentinel): Likewise. * include/std/ranges (__cpp_lib_ranges_as_const): Likewise. (as_const_view): Likewise. (enable_borrowed_range): Likewise. (views::__detail::__is_ref_view): Likewise. (views::__detail::__can_is_const_view): Likewise. (views::_AsConst, views::as_const): Likewise. * include/std/span (span::const_iterator): Likewise. (span::const_reverse_iterator): Likewise. (span::cbegin): Likewise. (span::cend): Likewise. (span::crbegin): Likewise. (span::crend): Likewise. * include/std/version (__cpp_lib_ranges_as_const): Likewise. * testsuite/std/ranges/adaptors/join.cc (test06): Adjust to behave independently of C++20 vs C++23. * testsuite/std/ranges/version_c++23.cc: Verify value of __cpp_lib_ranges_as_const macro. * testsuite/24_iterators/const_iterator/1.cc: New test. * testsuite/std/ranges/adaptors/as_const/1.cc: New test. 2023-04-14 Patrick Palka * include/bits/ranges_base.h (__cust_access::__as_const) (__cust_access::_CBegin, __cust::cbegin) (__cust_access::_CEnd, __cust::cend) (__cust_access::_CRBegin, __cust::crbegin) (__cust_access::_CREnd, __cust::crend) (__cust_access::_CData, __cust::cdata): Move down definitions to shortly after the definition of input_range. 2023-04-14 Patrick Palka * include/bits/ranges_algo.h: Include for C++23. (__cpp_lib_fold): Define for C++23. (in_value_result): Likewise. (__detail::__flipped): Likewise. (__detail::__indirectly_binary_left_foldable_impl): Likewise. (__detail::__indirectly_binary_left_foldable): Likewise. (___detail:__indirectly_binary_right_foldable): Likewise. (fold_left_with_iter_result): Likewise. (__fold_left_with_iter_fn, fold_left_with_iter): Likewise. (__fold_left_fn, fold_left): Likewise. (__fold_left_first_with_iter_fn, fold_left_first_with_iter): Likewise. (__fold_left_first_fn, fold_left_first): Likewise. (__fold_right_fn, fold_right): Likewise. (__fold_right_last_fn, fold_right_last): Likewise. * include/std/version (__cpp_lib_fold): Likewise. * testsuite/25_algorithms/fold_left/1.cc: New test. * testsuite/25_algorithms/fold_right/1.cc: New test. 2023-04-14 Jonathan Wakely * include/std/format (formatter): Add comment to deleted default constructor of primary template. (_Checking_scanner): Add static_assert. 2023-04-12 Jonathan Wakely * doc/xml/manual/using.xml: Document libstdc++exp.a library. * doc/html/*: Regenerate. 2023-04-12 Jonathan Wakely * testsuite/17_intro/names.cc [_AIX]: Do not define policy. * testsuite/19_diagnostics/error_code/cons/lwg3629.cc: Rename namespace to avoid clashing with libc struct. * testsuite/19_diagnostics/error_condition/cons/lwg3629.cc: Likewise. * testsuite/23_containers/unordered_map/96088.cc: Skip on AIX. * testsuite/23_containers/unordered_multimap/96088.cc: Likewise. * testsuite/23_containers/unordered_multiset/96088.cc: Likewise. * testsuite/23_containers/unordered_set/96088.cc: Likewise. * testsuite/experimental/synchronized_value.cc: Require gthreads and add missing option for pthreads targets. 2023-04-12 Patrick Palka * include/std/ranges (__cpp_lib_ranges_enumerate): Define for C++23. (__detail::__range_with_movable_reference): Likewise. (enumerate_view): Likewise. (enumerate_view::_Iterator): Likewise. (enumerate_view::_Sentinel): Likewise. (views::__detail::__can_enumerate_view): Likewise. (views::_Enumerate, views::enumerate): Likewise. * include/std/version (__cpp_lib_ranges_enumerate): Likewise. * testsuite/std/ranges/version_c++23.cc: Verify value of __cpp_lib_ranges_enumerate. * testsuite/std/ranges/adaptors/enumerate/1.cc: New test. 2023-04-12 Patrick Palka * include/std/ranges (lazy_split_view::_OuterIter::_OuterIter): Propagate _M_trailing_empty in the const-converting constructor as per LWG 3904. * testsuite/std/ranges/adaptors/adjacent/1.cc (test04): Correct assertion. * testsuite/std/ranges/adaptors/lazy_split.cc (test12): New test. 2023-04-12 Patrick Palka * src/c++17/floating_from_chars.cc: Include , , and . 2023-04-12 Patrick Palka PR libstdc++/108291 * include/std/ranges (chunk_by_view::_M_find_next): Generalize parameter types of the lambda wrapper passed to adjacent_find. (chunk_by_view::_M_find_prev): Likewise. * testsuite/std/ranges/adaptors/chunk_by/1.cc (test04, test05): New tests. 2023-04-12 Jonathan Wakely PR libstdc++/109482 * include/experimental/internet (basic_endpoint::basic_endpoint()): Ensure that the required union members are active. Only define as constexpr for C++20 and later. (basic_endpoint::basic_endpoint(const protocol_type&, port_type)): Likewise. * testsuite/experimental/net/internet/endpoint/cons.cc: Only check constexpr default constructor for C++20 and later. * testsuite/experimental/net/internet/endpoint/extensible.cc: Likewise. 2023-04-12 Jonathan Wakely * src/c++20/tzdata.zi: Import new file from 2023c release. 2023-04-05 Arsen Arsenović * include/precompiled/stdc++.h (C++17): Don't double-include , once with wrong conditions. * testsuite/18_support/96817.cc: Require hosted. * testsuite/18_support/bad_exception/59392.cc: Ditto. * testsuite/20_util/scoped_allocator/108952.cc: Ditto. * testsuite/20_util/uses_allocator/lwg3527.cc: Ditto. * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc: Ditto. 2023-04-05 Arsen Arsenović * include/bits/c++config: When __STDC_HOSTED__ is zero, disable _GLIBCXX_DEBUG and, if it was set, enable _GLIBCXX_ASSERTIONS. * testsuite/lib/libstdc++.exp (check_v3_target_debug_mode): Include when determining whether debug is set, in order to inherit the logic from above 2023-04-05 Arsen Arsenović * testsuite/17_intro/versionconflict.cc: New test. * include/std/version: Allow disabling the system_header pragma via _GLIBCXX_TESTING_SYSHDR. 2023-04-05 Arsen Arsenović * include/bits/unique_ptr.h (__cpp_lib_constexpr_memory): Synchronize the definition block with... * include/bits/ptr_traits.h (__cpp_lib_constexpr_memory): ... this one here. Also define the 202202L value, rather than leaving it up to purely unique_ptr.h, so that the value is synchronized across all headers. (__gnu_debug::_Safe_iterator_base): Move into new conditional block. * include/std/memory (__cpp_lib_atomic_value_initialization): Define on freestanding under the same conditions as in atomic_base.h. * include/std/version (__cpp_lib_robust_nonmodifying_seq_ops): Also define on freestanding. (__cpp_lib_to_chars): Ditto. (__cpp_lib_gcd): Ditto. (__cpp_lib_gcd_lcm): Ditto. (__cpp_lib_raw_memory_algorithms): Ditto. (__cpp_lib_array_constexpr): Ditto. (__cpp_lib_nonmember_container_access): Ditto. (__cpp_lib_clamp): Ditto. (__cpp_lib_constexpr_char_traits): Ditto. (__cpp_lib_constexpr_string): Ditto. (__cpp_lib_sample): Ditto. (__cpp_lib_lcm): Ditto. (__cpp_lib_constexpr_iterator): Ditto. (__cpp_lib_constexpr_char_traits): Ditto. (__cpp_lib_interpolate): Ditto. (__cpp_lib_constexpr_utility): Ditto. (__cpp_lib_shift): Ditto. (__cpp_lib_ranges): Ditto. (__cpp_lib_move_iterator_concept): Ditto. (__cpp_lib_constexpr_numeric): Ditto. (__cpp_lib_constexpr_functional): Ditto. (__cpp_lib_constexpr_algorithms): Ditto. (__cpp_lib_constexpr_tuple): Ditto. (__cpp_lib_constexpr_memory): Ditto. 2023-04-05 John David Anglin * testsuite/22_locale/locale/cons/12658_thread-2.cc: Double timeout factor on hppa*-*-*. 2023-04-05 Jonathan Wakely * include/bits/regex.h (sub_match::swap): New function. * testsuite/28_regex/sub_match/lwg3204.cc: New test. 2023-04-04 Jonathan Wakely * doc/xml/manual/extensions.xml: Remove std::bad_exception from example program. * doc/html/manual/ext_demangling.html: Regenerate. 2023-03-31 Jonathan Wakely PR tree-optimization/107087 * include/bits/cow_string.h (basic_string::size()): Add optimizer hint that _S_empty_rep()._M_length is always zero. (basic_string::length()): Call size(). 2023-03-31 Jonathan Wakely PR libstdc++/109339 * include/std/stop_token (_Stop_state_ptr(const stop_source&)): Add attribute access with access-mode 'none'. * testsuite/30_threads/stop_token/stop_source/109339.cc: New test. 2023-03-31 Jonathan Wakely * include/experimental/internet (ip::basic_endpoint::_M_if_v6): Revert change from member function to data member. Fix for constant evaluation by detecting which union member is active. (ip::basic_endpoint::resize): Revert changes to update _M_is_v6 flag. 2023-03-29 Jonathan Wakely PR libstdc++/109242 * testsuite/20_util/optional/monadic/pr109340.cc: Moved to... * testsuite/20_util/optional/monadic/pr109242.cc: ...here. 2023-03-29 Jonathan Wakely * include/experimental/internet (ip::make_address): Implement missing overload. (ip::address_v4::broadcast()): Avoid undefined shift. (ip::basic_endpoint): Fix member functions for constexpr. (ip::basic_endpoint::_M_is_v6): Replace member function with data member, adjust member functions using it. (ip::basic_endpoint::resize): Update _M_is_v6 based on sockaddr content. * testsuite/experimental/net/internet/address/v4/cons.cc: Fix constexpr checks to work in C++14. * testsuite/experimental/net/internet/address/v4/creation.cc: Likewise. * testsuite/experimental/net/internet/endpoint/cons.cc: Likewise. * testsuite/experimental/net/internet/network/v4/cons.cc: Likewise. * testsuite/experimental/net/internet/network/v4/members.cc: Likewise. * testsuite/experimental/net/internet/endpoint/extensible.cc: New test. 2023-03-29 Jonathan Wakely * include/std/expected (expected::value() &): Use const lvalue for unex member passed to bad_expected_access constructor, as per LWG 3843. 2023-03-29 Jonathan Wakely PR libstdc++/109340 * include/std/expected (expected::transform): Use std::remove_cv_t instead of std::remove_cvref_t. (expected::transform_error): Likewise. (expected::transform): Likewise. (expected::transform_error): Likewise. * include/std/optional (transform): Use std::remove_cv_t. * testsuite/20_util/optional/monadic/pr109340.cc: New test. 2023-03-29 Jonathan Wakely * include/std/optional (optional): Adjust static assertion to reject arrays and functions as well as references. * testsuite/20_util/optional/requirements_neg.cc: New test. 2023-03-28 Jonathan Wakely PR libstdc++/103387 * include/bits/istream.tcc (istream::_M_extract(ValueT&)): Use std::use_facet instead of cached _M_num_get facet. (istream::operator>>(short&)): Likewise. (istream::operator>>(int&)): Likewise. * include/bits/ostream.tcc (ostream::_M_insert(ValueT)): Use std::use_facet instead of cached _M_num_put facet. 2023-03-28 Jonathan Wakely * include/bits/char_traits.h (char_traits::copy): Return without using memcpy if n==0. (char_traits::assign): Likewise for memset. 2023-03-28 Jonathan Wakely PR libstdc++/109299 * include/bits/basic_string.h (basic_string::_M_is_local()): Add hint for compiler that local strings fit in the local buffer. 2023-03-28 Jonathan Wakely PR libstdc++/109288 * include/std/chrono (__detail::__get_leap_second_info): Update expiry date of hardcoded leapseconds list. * src/c++20/tzdb.cc (tzdb_list::_Node::_S_read_leap_seconds()): Likewise. * src/c++20/tzdata.zi: Import new file from 2023a release. * testsuite/std/time/time_zone/get_info_local.cc: Only check transitions for Egypt up to 2014. 2023-03-28 Matthias Kretz * include/experimental/bits/simd.h (is_simd_flag_type): New. (_IsSimdFlagType): New. (copy_from, copy_to, load ctors): Constrain _Flags using _IsSimdFlagType. 2023-03-28 Matthias Kretz * include/experimental/bits/simd_x86.h (_SimdImplX86): Use _Base::_S_divides if the optimized _S_divides function is hidden via the preprocessor. 2023-03-27 Jakub Jelinek * testsuite/experimental/net/timer/waitable/dest.cc: Avoid -Wformat warning if size_t is not unsigned long. 2023-03-22 Jonathan Wakely * include/bits/shared_ptr_atomic.h (atomic::operator=(nullptr_t)): Add overload, as per LWG 3893. * testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc: Check assignment from nullptr. 2023-03-22 Jonathan Wakely * include/std/format (formatter): Do not define partial speclialization, as per LWG 3833. * testsuite/std/format/formatter/requirements.cc: Check it. 2023-03-22 Jonathan Wakely * include/std/utility (__cpp_lib_constexpr_algorithms): Define, as per LWG 3792. * testsuite/20_util/exchange/constexpr.cc: Check for it. 2023-03-22 Jonathan Wakely * include/std/version (__cpp_lib_format): Define. * testsuite/std/format/functions/format.cc: Check it. 2023-03-22 Jonathan Wakely * 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. 2023-03-22 Jonathan Wakely * include/std/format: Add a comment noting that the resolution of LWG 3720 has been applied.. 2023-03-22 Jonathan Wakely * 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. 2023-03-22 Jonathan Wakely * 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. 2023-03-21 Matthias Kretz * include/experimental/bits/simd_x86.h (_SimdImplX86::_S_divides): Replace test for __GCC_IEC_559 == 0 with __RECIPROCAL_MATH__. 2023-03-21 Matthias Kretz * include/experimental/bits/simd_detail.h: Don't define _GLIBCXX_SIMD_WORKAROUND_PR90993 for Clang. * include/experimental/bits/simd_x86.h (_S_divides): Remove check for __clang__. 2023-03-21 Matthias Kretz * include/experimental/bits/simd_detail.h: Don't declare the simd API as constexpr with Clang. * include/experimental/bits/simd_x86.h (__movm): New. (_S_blend_avx512): Resolve FIXME. Implement blend using __movm and ?:. (_SimdImplX86::_S_masked_unary): Clang does not implement the same builtins. Implement the function using __movm, ?:, and - operators on vector_size types instead. 2023-03-21 Matthias Kretz * testsuite/experimental/simd/tests/operators.cc: Clang doesn't define __GCC_IEC_559. Use __STDC_IEC_559__ instead. 2023-03-20 Jonathan Wakely * src/filesystem/ops-common.h (get_temp_directory_from_env): Fix formatting. 2023-03-20 Marek Polacek PR c++/109159 * testsuite/20_util/pair/cons/explicit_construct.cc: Adjust dg-error. * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise. * testsuite/23_containers/span/explicit.cc: Likewise. 2023-03-20 Jonathan Wakely PR libstdc++/109182 * include/std/expected (expected::expected(in_place_t)): Remove template-head. 2023-03-18 Jonathan Wakely PR libstdc++/109165 * testsuite/18_support/coroutines/hash.cc: Use const object in second call. 2023-03-17 Jonathan Wakely PR libstdc++/109165 * include/std/coroutine (hash<>::operator()): Add const. * testsuite/18_support/coroutines/hash.cc: New test. 2023-03-14 Patrick Palka PR libstdc++/109111 * include/std/ranges (repeat_view): Remove redundant parentheses in requires-clause. (repeat_view::_Iterator): Correct the requires-clause. 2023-03-14 Patrick Palka * include/bits/stl_iterator.h (move_iterator::_S_iter_concept): Define. (__cpp_lib_move_iterator_concept): Define for C++20. (move_iterator::iterator_concept): Strengthen as per P2520R0. * include/std/version (__cpp_lib_move_iterator_concept): Define for C++20. * testsuite/24_iterators/move_iterator/p2520r0.cc: New test. 2023-03-14 Patrick Palka * include/bits/ranges_util.h (view_interface::empty): Add preferred overloads that use ranges::size when the range is sized as per LWG 3715. * testsuite/std/ranges/adaptors/lwg3715.cc: New test. 2023-03-14 Jonathan Wakely * include/bits/chrono.h (__is_duration_v, __is_time_point_v): Only define for C++17 and later. 2023-03-14 Jonathan Wakely * src/Makefile.am: Add comment about linker script fragments. * src/Makefile.in: Regenerate. 2023-03-14 Jonathan Wakely PR libstdc++/62196 * include/bits/mask_array.h (mask_array): Add assertions to assignment operators. * include/std/valarray (valarray::operator[](valarray)): Add assertions. * testsuite/26_numerics/valarray/mask-1_neg.cc: New test. * testsuite/26_numerics/valarray/mask-2_neg.cc: New test. * testsuite/26_numerics/valarray/mask-3_neg.cc: New test. * testsuite/26_numerics/valarray/mask-4_neg.cc: New test. * testsuite/26_numerics/valarray/mask-5_neg.cc: New test. * testsuite/26_numerics/valarray/mask-6_neg.cc: New test. * testsuite/26_numerics/valarray/mask-7_neg.cc: New test. * testsuite/26_numerics/valarray/mask-8_neg.cc: New test. * testsuite/26_numerics/valarray/mask.cc: New test. 2023-03-13 Jakub Jelinek * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update. 2023-03-13 Jonathan Wakely * doc/Makefile.am: Add comment referring to documentation. * doc/Makefile.in: Regenerate. 2023-03-13 Jonathan Wakely * doc/html/*: Regenerate. 2023-03-13 Jonny Grant * doc/xml/faq.xml: Update copyright year. 2023-03-13 Jonathan Wakely * include/bits/allocator.h: Fix typo in comment. 2023-03-12 Jakub Jelinek * config/abi/pre/gnu.ver (CXXABI_1.3.14): Also export __bf16 tinfos if it isn't mangled as DF16b but u6__bf16. 2023-03-12 Gerald Pfeifer * doc/xml/manual/documentation_hacking.xml: Move www.graphviz.org to https. * doc/html/manual/documentation_hacking.html: Regenerate. 2023-03-10 Jonathan Wakely PR libstdc++/109064 * python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker): Remove self-recursion in __init__. Add missing _supports. * testsuite/libstdc++-xmethods/shared_ptr.cc: Check use_count() and unique(). 2023-03-09 Patrick Palka * include/std/ranges (cartesian_product_view::_Iterator::_Iterator): Remove constraint on default constructor as per LWG 3849. (cartesian_product_view::_Iterator::_M_prev): Adjust position of _Nm > 0 test as per LWG 3820. (cartesian_product_view::_Iterator::_M_advance): Perform bounds checking only on sized cartesian products. * testsuite/std/ranges/cartesian_product/1.cc (test08): New test. 2023-03-09 Patrick Palka PR libstdc++/109024 * include/std/ranges (chunk_by_view::_M_pred): Remove DMI as per LWG 3796. (repeat_view::_M_pred): Likewise. * testsuite/std/ranges/adaptors/chunk_by/1.cc (test03): New test. * testsuite/std/ranges/repeat/1.cc (test05): New test. 2023-03-09 Patrick Palka PR libstdc++/108362 * include/std/ranges (__detail::__can_single_view): New concept. (_Single::operator()): Constrain it. Move [[nodiscard]] to the end of the function declarator. (__detail::__can_iota_view): New concept. (_Iota::operator()): Constrain it. Move [[nodiscard]] to the end of the function declarator. (__detail::__can_istream_view): New concept. (_Istream::operator()): Constrain it. Move [[nodiscard]] to the end of the function declarator. * testsuite/std/ranges/iota/iota_view.cc (test07): New test. * testsuite/std/ranges/istream_view.cc (test08): New test. * testsuite/std/ranges/single_view.cc (test07): New test. 2023-03-09 Patrick Palka PR libstdc++/107572 * include/std/ranges (cartesian_product_view::end): When building the tuple of iterators, avoid calling ranges::begin on the first range if __empty_tail is false. * testsuite/std/ranges/cartesian_product/1.cc (test07): New test. 2023-03-09 Jonathan Wakely PR libstdc++/108882 * config/os/gnu-linux/ldbl-ieee128-extra.ver: Fix incorrect patterns. 2023-03-07 Jakub Jelinek * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update. * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update. * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update. 2023-03-07 Jonathan Wakely PR libstdc++/108882 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Adjust patterns to not match symbols in namespace std::__gnu_cxx11_ieee128. * config/os/gnu-linux/ldbl-ieee128-extra.ver: Add patterns for std::__gnu_cxx11_ieee128::money_{get,put}. 2023-03-07 Jonathan Wakely * libsupc++/eh_personality.cc: Fix spelling in comment. 2023-03-03 Alexandre Oliva * testsuite/30_threads/async/async.cc (test04): Initialize steady_start, renamed from steady_begin, next to slow_start. Increase tolerance for final wait. 2023-03-03 Alexandre Oliva * testsuite/libstdc++-prettyprinters/80276.cc: Add std::string to debug info. * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise. 2023-03-03 Alexandre Oliva PR libstdc++/104852 PR libstdc++/95989 PR libstdc++/52590 * include/bits/std_thread.h (thread::_M_thread_deps): New static implicitly-inline member function. (std::thread template ctor): Pass it to _M_start_thread. * src/c++11/thread.cc (thread::_M_start_thread): Name depend parameter, force it live on entry. 2023-03-03 Rainer Orth * config/abi/post/i386-solaris/baseline_symbols.txt: Regenerate. * config/abi/post/i386-solaris/amd64/baseline_symbols.txt: Likewise. * config/abi/post/sparc-solaris/baseline_symbols.txt: Likewise. * config/abi/post/sparc-solaris/sparcv9/baseline_symbols.txt: Likewise. 2023-03-01 Jonathan Wakely * include/bits/cow_string.h: Fix typo in comment. 2023-03-01 Jonathan Wakely * src/c++20/tzdb.cc (chrono::tzdb::current_zone()) Use "UTC" if current time zone cannot be determined. * testsuite/std/time/tzdb/1.cc: Remove conditions based on HAVE_TZDB macro and test all members unconditionally. 2023-02-28 Jonathan Wakely PR libstdc++/108952 * include/bits/uses_allocator_args.h (uses_allocator_construction_args): Implement LWG 3527. * testsuite/20_util/pair/astuple/get-2.cc: New test. * testsuite/20_util/scoped_allocator/108952.cc: New test. * testsuite/20_util/uses_allocator/lwg3527.cc: New test. 2023-02-28 Jonathan Wakely PR libstdc++/108846 * include/bits/stl_algobase.h (__copy_move) Add __assign_one static member function. (__copy_move): Likewise. (__copy_move): Do not use memmove for a single value. (__copy_move_backward): 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. 2023-02-28 Jonathan Wakely * src/c++11/codecvt.cc: Add [[likely]] and [[unlikely]] attributes. 2023-02-27 Jonathan Wakely * include/bits/basic_ios.h (basic_ios::_M_setstate): Add caveat to comment. * include/bits/basic_string.h (resize_and_overwrite): Add doxygen comment. 2023-02-24 Matthias Kretz * include/experimental/bits/simd.h: Line breaks and indenting fixed to follow the libstdc++ standard. * include/experimental/bits/simd_builtin.h: Likewise. * include/experimental/bits/simd_fixed_size.h: Likewise. * include/experimental/bits/simd_neon.h: Likewise. * include/experimental/bits/simd_ppc.h: Likewise. * include/experimental/bits/simd_scalar.h: Likewise. * include/experimental/bits/simd_x86.h: Likewise. 2023-02-24 Matthias Kretz PR libstdc++/108030 * include/experimental/bits/simd_fixed_size.h (_SimdImplFixedSize::_S_broadcast): Replace inline with _GLIBCXX_SIMD_INTRINSIC. (_SimdImplFixedSize::_S_generate): Likewise. (_SimdImplFixedSize::_S_load): Likewise. (_SimdImplFixedSize::_S_masked_load): Likewise. (_SimdImplFixedSize::_S_store): Likewise. (_SimdImplFixedSize::_S_masked_store): Likewise. (_SimdImplFixedSize::_S_min): Likewise. (_SimdImplFixedSize::_S_max): Likewise. (_SimdImplFixedSize::_S_complement): Likewise. (_SimdImplFixedSize::_S_unary_minus): Likewise. (_SimdImplFixedSize::_S_plus): Likewise. (_SimdImplFixedSize::_S_minus): Likewise. (_SimdImplFixedSize::_S_multiplies): Likewise. (_SimdImplFixedSize::_S_divides): Likewise. (_SimdImplFixedSize::_S_modulus): Likewise. (_SimdImplFixedSize::_S_bit_and): Likewise. (_SimdImplFixedSize::_S_bit_or): Likewise. (_SimdImplFixedSize::_S_bit_xor): Likewise. (_SimdImplFixedSize::_S_bit_shift_left): Likewise. (_SimdImplFixedSize::_S_bit_shift_right): Likewise. (_SimdImplFixedSize::_S_remquo): Add inline keyword (to be explicit about not always-inline, yet). (_SimdImplFixedSize::_S_isinf): Likewise. (_SimdImplFixedSize::_S_isfinite): Likewise. (_SimdImplFixedSize::_S_isnan): Likewise. (_SimdImplFixedSize::_S_isnormal): Likewise. (_SimdImplFixedSize::_S_signbit): Likewise. 2023-02-24 Matthias Kretz PR libstdc++/108856 * include/experimental/bits/simd_builtin.h (_SimdImplBuiltin::_S_masked_unary): More efficient implementation of masked inc-/decrement for integers and floats without AVX2. * include/experimental/bits/simd_x86.h (_SimdImplX86::_S_masked_unary): New. Use AVX512 masked subtract builtins for masked inc-/decrement. 2023-02-24 Jonathan Wakely * include/experimental/executor (executor): Constrain template constructors. 2023-02-24 Jonathan Wakely * include/experimental/internet (basic_endpoint): Add missing constexpr to comparison operators. * testsuite/experimental/net/internet/endpoint/cons.cc: New test. 2023-02-24 Jonathan Wakely * include/experimental/internet (network_v4::netmask()): Avoid undefined shift. (network_v4::broadcast()): Optimize and fix for targets with uint_least32_t wider than 32 bits. (network_v4::to_string(const Allocator&)): Fix for custom allocators and optimize using to_chars. (operator==(const network_v4&, const network_v4&)): Add missing constexpr. (operator==(const network_v6&, const network_v6&)): Likewise. * testsuite/experimental/net/internet/network/v4/cons.cc: New test. * testsuite/experimental/net/internet/network/v4/members.cc: New test. 2023-02-24 Jonathan Wakely * include/experimental/internet (address_4(const bytes_type&)): Use __builtin_bit_cast if available, otherwise convert to network byte order. (address_v4::to_bytes()): Likewise, but convert from network byte order. * testsuite/experimental/net/internet/address/v4/cons.cc: Fix incorrect tests. Check for constexpr too. * testsuite/experimental/net/internet/address/v4/creation.cc: Likewise. * testsuite/experimental/net/internet/address/v4/members.cc: Check that bytes_type is a standard-layout type. 2023-02-24 Jonathan Wakely * include/experimental/internet (address_v4::to_string): Optimize. * testsuite/experimental/net/internet/address/v4/members.cc: Check more addresses. 2023-02-24 Jonathan Wakely * include/ext/aligned_buffer.h (__aligned_buffer): Add diagnostic pragmas. 2023-02-24 Jonathan Wakely * testsuite/std/format/arguments/lwg3810.cc: Move dg-options before dg-do. 2023-02-23 Matthias Kretz * testsuite/experimental/simd/tests/reductions.cc: Introduce max_distance as the type-dependent max error. 2023-02-23 Matthias Kretz * include/experimental/bits/simd_builtin.h (_S_set): Compare as int. The actual range of these indexes is very small. 2023-02-23 Matthias Kretz * include/experimental/bits/simd_x86.h (_S_bit_shift_left) (_S_bit_shift_right): Declare constexpr. The implementation was already expecting constexpr evaluation. 2023-02-23 Matthias Kretz PR libstdc++/108030 * include/experimental/bits/simd_detail.h (_GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA): Define as empty for __clang__. 2023-02-23 Matthias Kretz PR libstdc++/108030 * include/experimental/bits/simd.h (__vector_broadcast): Implement via __vector_broadcast_impl instead of __call_with_n_evaluations + 2 lambdas. (__vector_broadcast_impl): New. 2023-02-22 Alexandre Oliva * src/c++11/shared_ptr.cc (__gnu_internal::get_mutex): Avoid destruction of the mutex pool. 2023-02-22 Alexandre Oliva * testsuite/27_io/basic_ofstream/open/char/noreplace.cc: xfail on vxworks. * testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc: Likewise. 2023-02-22 Alexandre Oliva * testsuite/17_intro/names.cc: Undef func on vxworks >= 7 in kernel mode. 2023-02-20 Andreas Schwab * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update. 2023-02-20 Matthias Kretz * include/experimental/bits/simd.h (__extract_part, split): Use reserved name for template parameter. 2023-02-20 Andreas Schwab * config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update. 2023-02-18 Gerald Pfeifer * doc/xml/faq.xml: Switch two links to www.open-std.org to https. * doc/html/faq.html: Regenerate. 2023-02-16 Matthias Kretz * include/experimental/bits/simd_math.h (__hypot): Bitcasting between scalars requires the __bit_cast helper function instead of simd_bit_cast. 2023-02-16 Matthias Kretz * include/experimental/bits/simd_x86.h (_SimdImplX86::_S_not_equal_to, _SimdImplX86::_S_less) (_SimdImplX86::_S_less_equal): Do not call __builtin_is_constant_evaluated in constexpr-if. 2023-02-16 Matthias Kretz * testsuite/experimental/simd/tests/bits/verify.h (verify::verify): Use %zx for size_t in format string. 2023-02-16 Matthias Kretz * testsuite/experimental/simd/generate_makefile.sh: Generate and pre-compile pch.h, which includes all headers that do not depend on command-line macros. * testsuite/experimental/simd/tests/bits/main.h: New file. (iterate_abis, main): Moved from verify.h. * testsuite/experimental/simd/tests/bits/verify.h (iterate_abis, main): Moved to main.h. * testsuite/experimental/simd/tests/bits/conversions.h: Add include guard. (genHalfBits): Simplify. * testsuite/experimental/simd/tests/bits/make_vec.h: Add include guard. (make_alternating_mask): Moved from mask_loadstore. * testsuite/experimental/simd/tests/bits/mathreference.h: Add include guard. * testsuite/experimental/simd/tests/bits/test_values.h: Ditto. * testsuite/experimental/simd/tests/mask_loadstore.cc (make_mask, make_alternating_mask): Removed. * testsuite/experimental/simd/tests/mask_reductions.cc: Ditto. * testsuite/experimental/simd/tests/operators.cc (genHalfBits): Removed. * testsuite/experimental/simd/tests/abs.cc: Only include bits/main.h. Ditto. * testsuite/experimental/simd/tests/algorithms.cc: Ditto. * testsuite/experimental/simd/tests/broadcast.cc: Ditto. * testsuite/experimental/simd/tests/casts.cc: Ditto. * testsuite/experimental/simd/tests/fpclassify.cc: Ditto. * testsuite/experimental/simd/tests/frexp.cc: Ditto. * testsuite/experimental/simd/tests/generator.cc: Ditto. * testsuite/experimental/simd/tests/hypot3_fma.cc: Ditto. * testsuite/experimental/simd/tests/integer_operators.cc: Ditto. * testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc: * testsuite/experimental/simd/tests/loadstore.cc: Ditto. * testsuite/experimental/simd/tests/logarithm.cc: Ditto. * testsuite/experimental/simd/tests/mask_broadcast.cc: Ditto. * testsuite/experimental/simd/tests/mask_conversions.cc: Ditto. * testsuite/experimental/simd/tests/mask_implicit_cvt.cc: Ditto. * testsuite/experimental/simd/tests/mask_operator_cvt.cc: Ditto. * testsuite/experimental/simd/tests/mask_operators.cc: Ditto. * testsuite/experimental/simd/tests/math_1arg.cc: Ditto. * testsuite/experimental/simd/tests/math_2arg.cc: Ditto. * testsuite/experimental/simd/tests/operator_cvt.cc: Ditto. * testsuite/experimental/simd/tests/reductions.cc: Ditto. * testsuite/experimental/simd/tests/remqo.cc: Ditto. * testsuite/experimental/simd/tests/simd.cc: Ditto. * testsuite/experimental/simd/tests/sincos.cc: Ditto. * testsuite/experimental/simd/tests/split_concat.cc: Ditto. * testsuite/experimental/simd/tests/splits.cc: Ditto. * testsuite/experimental/simd/tests/trigonometric.cc: Ditto. * testsuite/experimental/simd/tests/trunc_ceil_floor.cc: Ditto. * testsuite/experimental/simd/tests/where.cc: Ditto. 2023-02-16 Matthias Kretz * testsuite/experimental/simd/README.md: Document the timeout and timeout-factor directives. Minor typo fixed. 2023-02-16 Matthias Kretz PR libstdc++/108030 * include/experimental/bits/simd_detail.h: Define _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA. * include/experimental/bits/simd.h: Annotate lambdas with _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA. * include/experimental/bits/simd_builtin.h: Ditto. * include/experimental/bits/simd_converter.h: Ditto. * include/experimental/bits/simd_fixed_size.h: Ditto. * include/experimental/bits/simd_math.h: Ditto. * include/experimental/bits/simd_neon.h: Ditto. * include/experimental/bits/simd_x86.h: Ditto. 2023-02-16 Matthias Kretz * include/experimental/bits/simd.h (_SimdWrapper::_M_is_constprop_none_of) (_SimdWrapper::_M_is_constprop_all_of): Return false unless the computed result still satisfies __builtin_constant_p. 2023-02-16 Jonathan Wakely * testsuite/std/format/arguments/lwg3810.cc: Replace UTF-8 ellipsis character. 2023-02-16 Jonathan Wakely * include/Makefile.am: Add new header. * include/Makefile.in: Regenerate. * include/experimental/synchronized_value: New file. * testsuite/experimental/synchronized_value.cc: New test. 2023-02-16 Jonathan Wakely * include/experimental/optional: Fix header name in comment. 2023-02-16 Jonathan Wakely * include/std/format (__format::_Arg_store): New class template. (basic_format_args): Remove nested type _Store and add deduction guide from _Arg_store. (basic_format_arg, make_format_args): Adjust. * testsuite/std/format/arguments/lwg3810.cc: New test. 2023-02-16 Jonathan Wakely * include/bits/stl_pair.h (pair) [C++20]: Add non-dangling constraints to constructors and add deleted overloads for the dangling cases, as per P2255R2. (pair) [!C++20 && _GLIBCXX_DEBUG]: Add static assertions to make dangling cases ill-formed. * testsuite/20_util/pair/dangling_ref.cc: New test. 2023-02-16 Jonathan Wakely * testsuite/17_intro/names_pstl.cc: Require et tbb_backend. 2023-02-16 Jonathan Wakely * include/ext/throw_allocator.h: Use reserved names for parameters. 2023-02-16 Jonathan Wakely * testsuite/17_intro/names_pstl.cc: Add space after effective target name. 2023-02-16 Jonathan Wakely * include/pstl/algorithm_fwd.h (__pattern_search_n) (__brick_unique_copy, __brick_adjacent_find) (__brick_generate_n, __pattern_generate_n): Use reserved names for parameters. * include/pstl/algorithm_impl.h (__brick_unique_copy) (__pattern_reverse, __brick_generate_n): Likewise. * include/pstl/execution_impl.h (__prefer_unsequenced_tag) (__prefer_parallel_tag): Likewise. * include/pstl/glue_algorithm_impl.h (transform): Likewise. * include/pstl/glue_numeric_defs.h (adjacent_difference): Likewise. * include/pstl/numeric_impl.h (__brick_adjacent_difference): Likewise. * include/pstl/parallel_backend_tbb.h (__merge_func): Likewise. * include/pstl/unseq_backend_simd.h (_Combiner) (__simd_min_element, __simd_minmax_element): Likewise. * testsuite/17_intro/names_pstl.cc: New test. 2023-02-16 Jonathan Wakely * include/bits/fs_ops.h (create_directory): Use reserved name for parameter. * include/bits/ranges_algo.h (__contains_subrange_fn): Likewise. * include/bits/regex_automaton.h (_State_base::_M_print): Likewise. * include/bits/regex_automaton.tcc(_State_base::_M_print): Likewise. * include/bits/regex_scanner.tcc(_Scanner::_M_print): Likewise. * include/experimental/bits/fs_ops.h (create_directory): Likewise. * include/std/mutex (timed_mutex::_M_clocklock): Likewise. (recursive_timed_mutex:_M_clocklock): Likewise. * include/std/tuple (basic_common_reference): Likewise. * libsupc++/cxxabi_init_exception.h (__cxa_init_primary_exception): Likewise. * testsuite/17_intro/names.cc: Add checks. 2023-02-14 Gerald Pfeifer * doc/xml/manual/status_cxx2017.xml: Update an open-std.org link to www.open-std.org and https. * doc/html/manual/status.html: Regenerate. 2023-02-14 Thomas W Rodgers PR libstdc++/103934 * include/std/atomic (atomic_flag_wait): Add. (atomic_flag_wait_explicit): Add. (atomic_flag_notify): Add. (atomic_flag_notify_explicit): Add. * testsuite/29_atomics/atomic_flag/wait_notify/1.cc: Add test case to cover missing atomic_flag free functions. 2023-02-14 Thomas W Rodgers PR libstdc++/103934 * include/std/atomic (atomic_flag_test): Add. (atomic_flag_test_explicit): Add. * testsuite/29_atomics/atomic_flag/test/explicit.cc: Add test case to cover missing atomic_flag free functions. * testsuite/29_atomics/atomic_flag/test/implicit.cc: Likewise. 2023-02-13 Gerald Pfeifer * doc/xml/manual/policy_data_structures_biblio.xml: Adjust "The Component Object Model" reference. * doc/html/manual/policy_data_structures.html: Regenerate. 2023-02-12 Gerald Pfeifer * doc/xml/manual/containers.xml: Tweak a link to N1780 (C++ standard). * doc/html/manual/associative.html: Regenerate. 2023-02-12 Gerald Pfeifer * doc/xml/manual/ctype.xml: Change www.unix.org to unix.org. * doc/html/manual/facets.html: Regenerate. 2023-02-11 Gerald Pfeifer * doc/xml/manual/policy_data_structures_biblio.xml: Update link to "Worst-case efficient priority queues". * doc/html/manual/policy_data_structures.html: Regenerate. 2023-02-06 Arsen Arsenović * doc/xml/manual/using.xml: Document newly-freestanding headers and the effect of the -ffreestanding flag. * doc/xml/manual/status_cxx2023.xml: Document P1642R11 as completed. * doc/xml/manual/configure.xml: Document that hosted installs respect __STDC_HOSTED__. * doc/xml/manual/test.xml: Document how to run tests in freestanding mode. * doc/html/*: Regenerate. 2023-02-06 Jonathan Wakely * include/bits/ranges_algo.h (__find_last_fn): Rename T to _Tp. (__find_last_if_fn): Likewise. 2023-02-06 Jonathan Wakely * include/std/type_traits: Add diagnostic pragmas around references to deprecated std::aligned_storage and std::aligned_union traits. * testsuite/20_util/aligned_storage/requirements/alias_decl.cc: Add dg-warning for et c++23. * testsuite/20_util/aligned_storage/requirements/explicit_instantiation.cc: Likewise. * testsuite/20_util/aligned_storage/value.cc: Likewise. * testsuite/20_util/aligned_union/1.cc: Likewise. * testsuite/20_util/aligned_union/requirements/alias_decl.cc: Likewise. 2023-02-06 Nathaniel Shead * doc/doxygen/user.cfg.in (PREDEFINED): Add new macros. * include/bits/c++config (_GLIBCXX23_DEPRECATED) (_GLIBCXX23_DEPRECATED_SUGGEST): New macros. * include/std/type_traits (aligned_storage, aligned_union) (aligned_storage_t, aligned_union_t): Deprecate for C++23. * testsuite/20_util/aligned_storage/deprecated-2b.cc: New test. * testsuite/20_util/aligned_union/deprecated-2b.cc: New test. 2023-02-06 Nathaniel Shead * doc/doxygen/user.cfg.in (PREDEFINED): Update macros. * include/bits/c++config (_GLIBCXX20_DEPRECATED): Make consistent with other 'deprecated' macros. * include/std/type_traits (is_pod, is_pod_v): Use _GLIBCXX20_DEPRECATED_SUGGEST instead. 2023-02-06 Arsen Arsenović * Makefile.am [!_GLIBCXX_HOSTED]: Enable src/ subdirectory. * Makefile.in: Regenerate. * src/Makefile.am [!_GLIBCXX_HOSTED]: Omit compatibility files. There's no history to be compatible with. * src/c++11/Makefile.am [!_GLIBCXX_HOSTED]: Omit hosted-only source files from the build. * src/c++17/Makefile.am [!_GLIBCXX_HOSTED]: Likewise. * src/c++20/Makefile.am [!_GLIBCXX_HOSTED]: Likewise. * src/c++98/Makefile.am [!_GLIBCXX_HOSTED]: Likewise. * src/Makefile.in: Regenerate. * src/c++11/Makefile.in: Regenerate. * src/c++17/Makefile.in: Regenerate. * src/c++20/Makefile.in: Regenerate. * src/c++98/Makefile.in: Regenerate. 2023-02-06 Jonathan Wakely * src/Makefile.am [GLIBCXX_HOSTED] (SUBDIRS): Do not add filesystem, libbacktrace and experimental. * src/Makefile.in: Regenerate. 2023-02-04 Hans-Peter Nilsson PR libstdc++/108672 * include/pstl/unseq_backend_simd.h (__simd_or): Use __INT32_TYPE__ instead of int32_t. 2023-02-04 Gerald Pfeifer * doc/xml/manual/documentation_hacking.xml: Adjust link to pdftex. * doc/html/manual/documentation_hacking.html: Regenerate. 2023-02-04 François Dumont * include/bits/basic_string.h (operator=(basic_string&&)): Transfer move-to storage to the move-from instance when allocators are equal. * testsuite/21_strings/basic_string/allocator/char/move_assign.cc (test04): New test case. 2023-02-03 Samuel Thibault * config/os/gnu-linux/os_defines.h [!__linux__] (_GLIBCXX_NATIVE_THREAD_ID, _GLIBCXX_GTHREAD_USE_WEAK): Do not define. 2023-02-03 Patrick Palka * include/bits/ranges_algo.h (__find_last_fn, find_last): Define. (__find_last_if_fn, find_last_if): Define. (__find_last_if_not_fn, find_last_if_not): Define. * testsuite/25_algorithms/find_last/1.cc: New test. * testsuite/25_algorithms/find_last_if/1.cc: New test. * testsuite/25_algorithms/find_last_if_not/1.cc: New test. 2023-02-03 Patrick Palka * include/bits/ranges_algo.h (out_value_result): Define. (iota_result): Define. (__iota_fn, iota): Define. * testsuite/25_algorithms/iota/1.cc: New test. 2023-02-03 Patrick Palka * include/bits/ranges_algo.h (__contains_fn, contains): Define. (__contains_subrange_fn, contains_subrange): Define. * testsuite/25_algorithms/contains/1.cc: New test. * testsuite/25_algorithms/contains_subrange/1.cc: New test. 2023-02-02 Gerald Pfeifer * doc/xml/manual/abi.xml: Tweak link to ABIcheck project. * doc/html/manual/abi.html: Regenerate. 2023-02-02 Jonathan Wakely * src/filesystem/ops-common.h [AVR] (__unsupported): Always use errc::function_not_supported instead of errc::not_supported. 2023-02-02 Jonathan Wakely * include/std/sstream (basic_stringbuf::view): Define for old std::string ABI. (basic_istringstream::view, basic_0stringstream::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. 2023-02-02 Jonathan Wakely PR libstdc++/108636 * config/abi/pre/gnu.ver (GLIBCXX_3.4.31): Export shared_ptr conversion operators for directory iterator comparisons with std::default_sentinel_t. * include/bits/fs_path.h (path::path(string_view, _Type)) (path::_Cmpt::_Cmpt(string_view, _Type, size_t)): Move inline definitions to ... * src/c++17/fs_path.cc: ... here. * testsuite/27_io/filesystem/path/108636.cc: New test. 2023-02-02 Jonathan Wakely * include/std/variant (variant::operator=): Implement resolution of LWG 3585. * testsuite/20_util/variant/lwg3585.cc: New test. 2023-02-02 Gerald Pfeifer * doc/xml/manual/using_exceptions.xml: Update a www.open-std.org link to https. * doc/html/manual/using_exceptions.html: Regenerate. 2023-02-02 Gerald Pfeifer * doc/xml/manual/debug.xml: Fix link to online GDB manual. * doc/html/manual/debug.html: Regenerate. 2023-02-01 Jonathan Wakely * src/c++11/random.cc (random_device::_M_fini): Do not try to close the file handle if the target doesn't support the /dev/random and /dev/urandom files. 2023-02-01 Jonathan Wakely * config/os/generic/error_constants.h (errc::value_too_large) [__AVR__]: Define. * src/c++11/system_error.cc (system_category::default_error_condition) [__AVR__]: Only match recognize values equal to EDOM, ERANGE, ENOSYS and EINTR. * src/c++17/fs_ops.cc (fs::current_path) [__AVR__]: Do not check for ENOENT etc. in switch. (fs::remove_all) [__AVR__]: Likewise. * src/filesystem/ops-common.h [__AVR__]: Do not use POSIX open, close etc. 2023-02-01 Jonathan Wakely * acinclude.m4 (GLIBCXX_ZONEINFO_DIR) [avr-*-*, msp430-*-*]: Set embed_zoneinfo=no * configure: Regenerate. 2023-02-01 Hans-Peter Nilsson PR testsuite/108632 * testsuite/std/time/hh_mm_ss/1.cc (size): Add empty struct at end of S0. 2023-01-30 Gerald Pfeifer * doc/xml/manual/shared_ptr.xml: Move links from both http://open-std.org and http://www.open-std.org to https://www.open-std.org. * doc/html/manual/memory.html: Regenerate. 2023-01-28 Gerald Pfeifer * doc/xml/manual/appendix_contributing.xml: Adjust link to ISO C++ standard at ANSI. Move link to www.open-std.org to https. * doc/html/manual/appendix_contributing.html: Regenerate. 2023-01-28 Gerald Pfeifer * doc/xml/manual/documentation_hacking.xml: Move sourceforge.net links to https. * doc/html/manual/documentation_hacking.html: Regenerate. 2023-01-28 Gerald Pfeifer * doc/xml/manual/abi.xml: Update www.open-std.org link to https. * doc/html/manual/abi.html: Regenerate. 2023-01-27 Jakub Jelinek PR libstdc++/108568 * testsuite/17_intro/names.cc (__unused): For linux or GNU hurd include features.h if present and then check __GLIBC__ and __GLIBC_MINOR__ macros for glibc prior to 2.19, instead of testing __GLIBC_PREREQ which isn't defined yet. 2023-01-27 Jonathan Wakely * src/c++20/tzdb.cc (tzdata_stream): Use constant instead of string literal. 2023-01-27 Jonathan Wakely PR libstdc++/108554 * testsuite/23_containers/map/modifiers/108554.cc: Use dg-bogus. 2023-01-26 Jonathan Wakely * src/c++20/tzdb.cc (operator>>(istream&, ZoneInfo&)): Allow rules named "+" for compatibility with older tzdata.zi files. 2023-01-26 Jonathan Wakely PR libstdc++/108554 * include/bits/stl_tree.h (_Rb_tree_insert_and_rebalance): Add nonnull attribute. (_Rb_tree_rebalance_for_erase): Add nonnull and returns_nonnull attributes. * testsuite/23_containers/map/modifiers/108554.cc: New test. 2023-01-26 Jonathan Wakely PR libstdc++/108530 * src/c++20/tzdb.cc (current_zone): Look for TIMEZONE or ZONE in /etc/sysconfig/clock, not DEFAULT_TIMEZONE. 2023-01-26 Gerald Pfeifer * doc/xml/manual/intro.xml: Update links to www.open-std.org to use https. * doc/html/manual/bugs.html: Regenerate. 2023-01-24 Jonathan Wakely PR libstdc++/108530 * src/c++20/tzdb.cc (current_zone): Look for DEFAULT_TIMEZONE in /etc/sysconfig/clock. 2023-01-24 Jonathan Wakely PR libstdc++/102301 * include/bits/ranges_base.h: Include for std::make_reverse_iterator. * include/std/tuple: Include for subrange. (make_from_tuple): Add static assertion from P2255 to diagnose dangling references. * testsuite/20_util/tuple/make_from_tuple/dangling_ref.cc: New test. * testsuite/20_util/tuple/make_from_tuple/tuple_like.cc: New test. 2023-01-23 François Dumont * include/debug/safe_iterator.h (_Safe_iterator<>::_Unchecked): New. (_Safe_iterator(const _Safe_iterator&, _Unchecked)): New. (_Safe_iterator::operator++(int)): Use latter. (_Safe_iterator::operator--(int)): Likewise. (_Safe_iterator(_Iterator, const _Safe_sequence_base*)): Remove !_M_insular() check. * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::_Unchecked): New. (_Safe_local_iterator(const _Safe_local_iterator&, _Unchecked)): New. (_Safe_local_iterator::operator++(int)): Use latter. * src/c++11/debug.cc (_S_debug_messages): Add as comment the _Debug_msg_id entry associated to the array entry. 2023-01-18 Jonathan Wakely * include/bits/fs_path.h (u8path): Add deprecated attribute. * testsuite/27_io/filesystem/path/construct/90281.cc: Add -Wno-deprecated-declarations for C++20 and later. * testsuite/27_io/filesystem/path/factory/u8path-char8_t.cc: Likewise. * testsuite/27_io/filesystem/path/factory/u8path.cc: Likewise. * testsuite/27_io/filesystem/path/native/string.cc: Likewise. * testsuite/27_io/filesystem/path/factory/u8path-depr.cc: New test. 2023-01-18 Jonathan Wakely * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]: Always call _M_fini and _M_getentropy. 2023-01-18 Gerald Pfeifer * doc/xml/manual/policy_data_structures_biblio.xml: Adjust links to www.open-std.org to use https. (COM: Component Model Object Technologies): Rename from... (The Component Object Model): ...to. * doc/html/manual/policy_data_structures.html: Regenerate. 2023-01-18 Dimitrij Mijoski * testsuite/22_locale/codecvt/codecvt_unicode.cc: Simplify. * testsuite/22_locale/codecvt/codecvt_unicode.h: Simplify. * testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: Simplify. 2023-01-17 Jonathan Wakely * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Check $target_os instead of $host. Fix check for file being present during native build. * configure: Regenerate. 2023-01-17 Martin Liska * src/libbacktrace/Makefile.in: Regenerate. 2023-01-16 Jonathan Wakely * src/c++20/tzdb.cc (_GLIBCXX_USE_CXX11_ABI): Define to 1. 2023-01-16 Jonathan Wakely PR libstdc++/108413 * include/c_compatibility/stdatomic.h: Change copyright line to be consistent with other headers contributed under DCO terms. * include/std/expected: Add full stop to copyright line. * src/c++20/tzdb.cc: Likewise. 2023-01-15 Gerald Pfeifer * doc/xml/manual/status_cxx2014.xml: Switch www.open-std.org to https. * doc/xml/manual/status_cxx2017.xml: Ditto. * doc/xml/manual/status_cxx2020.xml: Ditto. * doc/xml/manual/status_cxx2023.xml: Ditto. * doc/html/manual/status.html: Regenerate. 2023-01-15 Jonathan Wakely * testsuite/std/time/tzdb_list/1.cc: Remove dg-xfail-run-if and fail gracefully if defining the weak symbol doesn't work. 2023-01-15 François Dumont PR libstdc++/108288 * include/debug/safe_iterator.h (_Safe_iterator<>::operator++(int)): Extend deadlock fix to other iterator category. (_Safe_iterator<>::operator--(int)): Likewise. * include/debug/safe_local_iterator.h (_Safe_local_iterator<>::operator++(int)): Fix deadlock. * testsuite/util/debug/unordered_checks.h (invalid_local_iterator_pre_increment): New. (invalid_local_iterator_post_increment): New. * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_post_increment_neg.cc: New test. * testsuite/23_containers/unordered_map/debug/invalid_local_iterator_pre_increment_neg.cc: New test. 2023-01-15 Jonathan Wakely * testsuite/30_threads/jthread/jthread.cc: Remove -pthread from dg-options. 2023-01-15 Jonathan Wakely * testsuite/std/time/clock/utc/io.cc: Use ctype to widen char. 2023-01-14 Björn Schäpers * acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Add check for windows.h. Add pecoff as FORMAT_FILE. * config.h.in: Regenerate. * configure: Regenerate. * src/libbacktrace/Makefile.am: Regenerate. * src/libbacktrace/Makefile.in: Add pecoff.c as FORMAT_FILE. 2023-01-14 Björn Schäpers * include/std/stacktrace (stacktrace_entry::_S_demangle): Use raw __name if __cxa_demangle could not demangle it. 2023-01-14 Jonathan Wakely PR libstdc++/108409 * src/c++20/tzdb.cc (current_zone()) [_AIX]: Use TZ environment variable. 2023-01-14 Jonathan Wakely * src/c++20/tzdb.cc (TZDB_DISABLED): Disable all code for loading tzdb. * testsuite/std/time/tzdb/leap_seconds.cc: Require tzdb effective target. * testsuite/std/time/tzdb_list/1.cc: Likewise. 2023-01-14 Jonathan Wakely * acinclude.m4 (GLIBCXX_ZONEINFO_DIR): Replace the --with-libstdcxx-zoneinfo-dir configure option with --with-libstdcxx-zoneinfo with yes/no/static choices as well as a directory. * config.h.in: Regenerate. * configure: Regenerate. * doc/xml/manual/configure.xml: Document configure option. * doc/html/manual/configure.html: Regenerate. * src/c++20/Makefile.am: Generate tzdata.zi.h header. * src/c++20/Makefile.in: Regenerate. * src/c++20/tzdb.cc (__gnu_cxx::zoneinfo_dir_override): Return a null pointer if no directory is configured. (zoneinfo_dir): Replace with ... (zoneinfo_file): New function. (tzdata_stream): New istream class. (remote_version, reload_tzdb): Use tzdata_stream. * testsuite/lib/libstdc++.exp (check_effective_target_tzdb): Check new _GLIBCXX_STATIC_TZDATA macro and ignore presence of tzdata.zi file in default location. * src/c++20/tzdata.zi: New file. 2023-01-14 Jonathan Wakely * include/bits/chrono_io.h (operator<<): Fix syntax errors. * testsuite/std/time/month_day/io.cc: New test. * testsuite/std/time/month_day_last/io.cc: New test. * testsuite/std/time/month_weekday/io.cc: New test. * testsuite/std/time/month_weekday_last/io.cc: New test. * testsuite/std/time/weekday_indexed/io.cc: New test. * testsuite/std/time/weekday_last/io.cc: New test. * testsuite/std/time/year_month/io.cc: New test. * testsuite/std/time/year_month_day_last/io.cc: New test. * testsuite/std/time/year_month_weekday/io.cc: New test. * testsuite/std/time/year_month_weekday_last/io.cc: New test. 2023-01-14 François Dumont * include/std/format [_GLIBCXX_INLINE_VERSION](to_chars): Adapt __asm symbol specifications. * config/abi/pre/gnu-versioned-namespace.ver: Add to_chars/from_chars symbols export. 2023-01-13 Jonathan Wakely * include/bits/std_mutex.h: Include . 2023-01-13 Arsen Arsenović * testsuite/20_util/to_chars/version.cc: Mark hosted-only. * testsuite/20_util/uses_allocator/lwg3677.cc: Ditto. * testsuite/20_util/weak_ptr/cons/self_move.cc: Ditto. * testsuite/std/ranges/adaptors/as_rvalue/1.cc: Replace usage of std::make_unique with a freestanding-compatible wrapper around unique_ptr. * testsuite/21_strings/basic_string_view/operations/contains/char.cc: Don't test for presence of __cpp_lib_string_contains on !HOSTED. * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc: Ditto. * testsuite/std/ranges/version_c++23.cc: Don't test for presence of __cpp_lib_ranges in !HOSTED. 2023-01-13 Arsen Arsenović * include/Makefile.am: Install bits/char_traits.h, std/string_view * include/Makefile.in: Regenerate. * include/bits/char_traits.h: Gate hosted-only, wchar-only and mbstate-only bits behind appropriate #ifs. * include/std/string_view: Gate functionality behind HOSTED. * include/std/version: Enable __cpp_lib_constexpr_string_view and __cpp_lib_starts_ends_with in !HOSTED. * include/std/ranges: Re-enable __is_basic_string_view on freestanding, include directly. * include/precompiled/stdc++.h: Include when !HOSTED too. * testsuite/20_util/function_objects/searchers.cc: Skip testing boyer_moore searchers on freestanding * testsuite/21_strings/basic_string_view/capacity/1.cc: Guard -related tests behind __STDC_HOSTED__. * testsuite/21_strings/basic_string_view/cons/char/1.cc: Ditto. * testsuite/21_strings/basic_string_view/cons/char/2.cc: Remove unused include. * testsuite/21_strings/basic_string_view/cons/char/3.cc: Remove unused include. * testsuite/21_strings/basic_string_view/cons/char/range.cc: Guard related testing behind __STDC_HOSTED__. * testsuite/21_strings/basic_string_view/cons/wchar_t/1.cc: Guard related tests behind __STDC_HOSTED__. * testsuite/21_strings/basic_string_view/element_access/char/1.cc: Ditto. * testsuite/21_strings/basic_string_view/element_access/wchar_t/1.cc: Guard tests behind __STDC_HOSTED__. * testsuite/21_strings/basic_string_view/operations/contains/char/2.cc: Enable test on freestanding, guard bits behind __STDC_HOSTED__. * testsuite/21_strings/basic_string_view/operations/substr/char.cc: Guard bits behind __STDC_HOSTED__. * testsuite/21_strings/basic_string_view/operations/substr/wchar_t.cc: Ditto. 2023-01-13 Dimitrij Mijoski 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. 2023-01-13 Jonathan Wakely PR libstdc++/108331 * config/io/c_io_stdio.h (__c_lock): Define as a typedef for __GTHREAD_LEGACY_MUTEX_T if defined. 2023-01-13 Jonathan Wakely PR libstdc++/108327 * config/os/gnu-linux/ldbl-extra.ver (GLIBCXX_LDBL_3.4.31): Export __try_use_facet specializations for facets in namespace __gnu_cxx_ldbl128. * config/os/gnu-linux/ldbl-ieee128-extra.ver (GLIBCXX_IEEE128_3.4.31): Likewise for facets in namespace __gnu_cxx_ieee128. * testsuite/util/testsuite_abi.cc: Add to lists of known and latest versions. 2023-01-13 Jonathan Wakely * include/bits/std_mutex.h: Remove include. * include/std/condition_variable: Add include. * include/std/mutex: Likewise. * include/std/shared_mutex: Likewise. 2023-01-12 Jonathan Wakely PR libstdc++/77691 * include/experimental/memory_resource (_GLIBCXX_MAX_ALIGN_MATCHES_MALLOC): Define. (do_allocate, do_deallocate): Check it. * testsuite/experimental/memory_resource/new_delete_resource.cc: Relax expected behaviour for 64-bit hppa-hp-hpux11.11. 2023-01-12 Jonathan Wakely * doc/xml/manual/abi.xml: Add latest library versions. * doc/html/manual/abi.html: Regenerate. 2023-01-12 François Dumont PR libstdc++/107189 * include/bits/stl_tree.h (_Rb_tree<>::_M_insert_range_equal): Remove unused _Alloc_node instance. 2023-01-12 Jonathan Wakely * include/bits/atomic_wait.h (__detail::__platform_wait_t): Define as unsigned long if always lock-free, and unsigned int otherwise. 2023-01-10 Jonathan Wakely * src/c++20/tzdb.cc (tzdb_list::_S_init_tzdb): Use __try and __catch macros for exception handling. 2023-01-10 Jonathan Wakely PR libstdc++/108221 * include/bits/stl_algobase.h (__lg): Replace six overloads with a single function template for all integer types. * include/bits/stl_algo.h (__merge_adaptive_resize): Cast arithmetic results back to _Distance. 2023-01-10 Jonathan Wakely PR libstdc++/108221 * include/std/span (span::span()): Un-simplify constraint to work for size_t of lesser rank than int. 2023-01-07 LIU Hao PR middle-end/108300 * src/c++11/system_error.cc: Define `WIN32_LEAN_AND_MEAN` before . * src/c++11/thread.cc: Likewise. * src/c++17/fs_ops.cc: Likewise. * src/filesystem/ops.cc: Likewise. 2023-01-06 Jonathan Wakely PR libstdc++/108228 * src/c++20/tzdb.cc (zoneinfo_dir): Add diagnostic pragma. 2023-01-06 Jonathan Wakely PR libstdc++/108235 * src/c++20/tzdb.cc (time_zone::_Impl::RulesCounter): New class template and partial specialization for synchronizing access to time_zone::_Impl::infos. (time_zone::_M_get_sys_info, reload_tzdb): Adjust uses of rules_counter. 2023-01-06 Patrick Palka PR libstdc++/108260 * include/bits/utility.h (__cpp_lib_ranges_zip): Define for C++23. * include/std/ranges (__cpp_lib_ranges_zip): Likewise. (__cpp_lib_ranges_chunk): Likewise. (__cpp_lib_ranges_slide): Likewise. (__cpp_lib_ranges_chunk_by): Likewise. (__cpp_lib_ranges_join_with): Likewise. (__cpp_lib_ranges_repeat): Likewise. (__cpp_lib_ranges_stride): Likewise. (__cpp_lib_ranges_cartesian_product): Likewise. (__cpp_lib_ranges_as_rvalue): Likewise. * include/std/version: Ditto. * testsuite/20_util/tuple/p2321r2.cc: Verify value of feature-test macro. * 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/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/repeat/1.cc: Likewise. * testsuite/std/ranges/zip/1.cc: Likewise. * testsuite/std/ranges/version_c++23.cc: New test. 2023-01-06 Jonathan Wakely PR libstdc++/108214 * include/std/bitset (operator>>): Use alloca in the right scope, not in a constructor. * testsuite/20_util/bitset/io/input.cc: Check case from PR. 2023-01-06 Jonathan Wakely PR libstdc++/108221 * include/std/format (basic_format_arg) [!__cpp_lib_to_chars]: Disable visiting floating-point types. 2023-01-06 Jonathan Wakely PR libstdc++/108288 * include/debug/safe_iterator.h (_Safe_iterator::operator++(int)) (_Safe_iterator::operator--(int)): Do not hold lock around construction of return value. 2023-01-05 John David Anglin * config/cpu/hppa/atomicity.h (_PA_LDCW_INSN): Define. (__exchange_and_add): Use _PA_LDCW_INSN. Use ordered store for lock release. Revise loop. (__atomic_add): Likewise. 2023-01-05 Jonathan Wakely PR libstdc++/108212 * python/libstdcxx/v6/printers.py (_utc_timezone): New global variable. (StdChronoTimePointPrinter::to_string): Use it. 2023-01-05 Jonathan Wakely PR libstdc++/108290 * include/std/functional (_Bind_front): Add no_unique_address attribute to data members. * testsuite/20_util/function_objects/bind_front/107784.cc: Check size of call wrappers with empty types for targets and bound arguments. 2023-01-05 Jonathan Wakely PR libstdc++/108211 * src/c++20/tzdb.cc (chrono::current_zone()): Check for zone using only last component of the name. 2023-01-05 Jonathan Wakely PR libstdc++/108228 PR libstdc++/108235 * config/abi/pre/gnu.ver: Move zoneinfo_dir_override export to the latest symbol version. * src/c++20/tzdb.cc (USE_ATOMIC_SHARED_PTR): Define to 0 if atomic<_Node*> is not always lock free. (USE_ATOMIC_LIST_HEAD): New macro. [__hpux__] (__gnu_cxx::zoneinfo_dir_override()): Provide definition of weak symbol. (tzdb_list::_Node::_S_head): Rename to _S_head_cache. (tzdb_list::_Node::_S_list_head): New function for accessing list head efficiently. (tzdb_list::_Node::_S_cache_list_head): New function for updating _S_list_head. 2023-01-05 Jonathan Wakely PR libstdc++/108265 * include/std/chrono (hh_mm_ss): Do not use chrono::abs if duration rep is unsigned. * testsuite/std/time/hh_mm_ss/1.cc: Check unsigned rep. 2023-01-04 Iain Sandoe PR libstdc++/108228 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Add __gnu_cxx::zoneinfo_dir_override(). 2023-01-04 Jonathan Wakely PR libstdc++/108258 * include/std/array (__array_traits::operator T*()): Add constexpr. * testsuite/23_containers/array/element_access/constexpr_c++17.cc: Check std::array::data(). Copyright (C) 2023 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.