2025-07-11 Release Manager
* GCC 12.5.0 released.
2025-07-07 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2023-07-03 Iain Sandoe <iain@sandoe.co.uk>
* testsuite/lib/libstdc++.exp: Remove additional flag handled
by Darwin specs.
2025-06-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-10-16 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py (strip_fundts_namespace): New.
(StdExpAnyPrinter, StdExpOptionalPrinter): Use it.
2025-06-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2025-06-04 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/99832
* include/bits/chrono.h (system_clock::to_time_t): Add
always_inline attribute to be agnostic to the underlying type of
time_t.
(system_clock::from_time_t): Add always_inline for consistency
with to_time_t.
* testsuite/20_util/system_clock/99832.cc: New test.
2025-06-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2025-05-20 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/faq.xml: Update URL for archived SGI STL docs.
* doc/xml/manual/containers.xml: Likewise.
* doc/xml/manual/extensions.xml: Likewise.
* doc/xml/manual/using.xml: Likewise.
* doc/xml/manual/utilities.xml: Likewise.
* doc/html/*: Regenerate.
2025-04-17 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-06-26 Jonathan Wakely <jwakely@redhat.com>
* 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.
2025-04-17 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-04-15 Jonathan Wakely <jwakely@redhat.com>
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.
2025-04-17 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2025-03-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/117983
* include/bits/vector.tcc (vector::_M_range_insert): Add
unreachable condition to tell the compiler begin() <= end().
* testsuite/23_containers/vector/modifiers/insert/117983.cc: New
test.
2025-04-17 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-12-17 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/118035
* include/bits/deque.tcc (_M_range_insert_aux): Return
immediately if inserting an empty range.
* testsuite/23_containers/deque/modifiers/insert/118035.cc: New
test.
2025-04-16 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2025-04-16 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/integer_sequence/112473.cc: Compile with
-std=gnu++20.
* testsuite/21_strings/char_traits/requirements/113200.cc:
Likewise.
* testsuite/23_containers/array/comparison_operators/106212.cc:
Likewise.
* testsuite/23_containers/span/117966.cc: Likewise.
* testsuite/23_containers/vector/cons/113841.cc: Compile with
-std=gnu++20.
* testsuite/24_iterators/move_iterator/lwg3736.cc: Likewise.
* testsuite/25_algorithms/lexicographical_compare_three_way/113960.cc:
Likewise.
* testsuite/27_io/filesystem/iterators/lwg3480.cc: Likewise.
* testsuite/29_atomics/headers/stdatomic.h/115807.cc: Compile
with -std=gnu++23.
* testsuite/std/ranges/subrange/lwg3589.cc: Likewise.
* testsuite/std/time/month/2.cc: Likewise.
* testsuite/std/time/weekday/2.cc: Likewise.
2025-04-16 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-11-14 Jonathan Wakely <jwakely@redhat.com>
* include/bits/ranges_util.h (subrange::begin): Fix constraint,
as per LWG 3589.
* testsuite/std/ranges/subrange/lwg3589.cc: New test.
2025-04-16 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-12-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/106212
* include/std/array (operator==): Use std::__equal_aux1 instead
of std::equal.
* testsuite/23_containers/array/comparison_operators/106212.cc:
New test.
2025-04-16 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-12-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/117966
* include/std/span (span(T (&)[N])): Do not delegate to
constructor that performs redundant checks.
(span(array<T, N>&), span(const array<T, N>&)): Likewise.
(span(Range&&), span(const span<T, N>&)): Likewise.
* testsuite/23_containers/span/117966.cc: New test.
2025-04-16 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-03-22 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/113841
* include/bits/allocator.h (allocator<cv T>): 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.
2025-04-16 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-09-03 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/116549
* include/bits/stl_iterator.h (disable_sized_sentinel_for):
Define specialization for two move_iterator types, as per LWG
3736.
* testsuite/24_iterators/move_iterator/lwg3736.cc: New test.
2025-04-16 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-11-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/117560
* include/bits/fs_dir.h (enable_borrowed_range, enable_view):
Define specializations for directory iterators, as per LWG 3480.
* testsuite/27_io/filesystem/iterators/lwg3480.cc: New test.
2025-04-15 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2025-04-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/21334
* doc/xml/manual/using.xml: Document that container data race
avoidance rules do not apply to COW std::string.
* doc/html/*: Regenerate.
2025-04-02 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-03-31 Jonathan Wakely <jwakely@redhat.com>
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().
2025-04-02 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-02-15 Jonathan Wakely <jwakely@redhat.com>
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.
2024-10-07 Jonathan Wakely <jwakely@redhat.com>
* include/std/string_view (basic_string_view::copy) Use explicit
template argument for call to std::min<size_t>.
(basic_string_view::substr): Likewise.
2024-10-07 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-06-21 Jonathan Wakely <jwakely@redhat.com>
* testsuite/util/testsuite_allocator.h (tracker_allocator):
Initialize base class in copy constructor.
2024-10-07 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/fs_ops.cc (remove_all) [__FreeBSD__ || __DragonFly__]:
Check for EMLINK as well as ELOOP.
[__NetBSD__]: Check for EFTYPE as well as ELOOP.
2024-10-07 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-06-12 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/115399
* include/tr2/dynamic_bitset (operator>>=): Remove redundant
call to _M_do_sanitize.
* include/tr2/dynamic_bitset.tcc (_M_do_left_shift): Zero out
low bits in words that should no longer be populated.
(_M_do_right_shift): Likewise for high bits.
* testsuite/tr2/dynamic_bitset/pr115399.cc: New test.
2024-10-07 Kim Grﾃ､sman <kim.grasman@gmail.com>
Backported from master:
2024-08-28 Kim Grﾃ､sman <kim.grasman@gmail.com>
* include/bits/cpp_type_traits.h: Improve doxygen file docs.
2024-10-07 Kim Grﾃ､sman <kim.grasman@gmail.com>
Backported from master:
2024-08-28 Kim Grﾃ､sman <kim.grasman@gmail.com>
* config/cpu/aarch64/opt/ext/opt_random.h: Improve doxygen file
docs.
* config/cpu/i486/opt/ext/opt_random.h: Likewise.
2024-10-07 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-07-06 Jonathan Wakely <jwakely@redhat.com>
* include/std/variant (_Variant_storage::_M_reset): Use
__unlikely__ form of attribute instead of unlikely.
2024-10-07 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-08-28 Jonathan Wakely <jwakely@redhat.com>
* configure.ac: Fix check for O_NONBLOCK.
* config.h.in: Regenerate.
* configure: Regenerate.
2024-10-07 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-09-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/116641
* include/bits/basic_string.h (operator=(basic_string&&)): Call
_M_assign instead of assign.
* testsuite/21_strings/basic_string/allocator/116641.cc: New
test.
2024-10-07 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-06-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/115585
* src/c++11/assert_fail.cc (__glibcxx_assert_fail): Add
definition for non-verbose builds.
2024-07-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-07-08 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/115807
* include/c_compatibility/stdatomic.h (_Atomic): Ensure it
refers to std::atomic in the global namespace.
* testsuite/29_atomics/headers/stdatomic.h/115807.cc: New test.
2024-06-27 Alexandre Oliva <oliva@adacore.com>
Backported from master:
2024-06-27 Alexandre Oliva <oliva@adacore.com>
PR libstdc++/115454
* testsuite/experimental/simd/pr115454_find_last_set.cc: Defer
to check_vect_support_and_set_flags's default dg-do action.
2024-06-25 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2023.xml: Change reference from
mainline GCC to the release branch.
* doc/xml/manual/status_cxx1998.xml: Remove confusing "not in
any particular release" text.
* 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_cxxtr1.xml: Likewise.
* doc/xml/manual/status_cxxtr24733.xml: Likewise.
* doc/html/manual/status.html: Regenerate.
2024-06-21 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2024-06-21 Matthias Kretz <m.kretz@gsi.de>
PR libstdc++/115575
* testsuite/experimental/simd/pr115454_find_last_set.cc: Require
avx512f_runtime. Don't memcpy fixed_size masks.
2024-06-21 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2024-06-20 Matthias Kretz <m.kretz@gsi.de>
PR libstdc++/115454
* include/experimental/bits/simd_x86.h (_S_not_equal_to): Use
neq comparison instead of bitwise negation after eq.
(_S_find_last_set): Clear unused high bits before computing
bit_width.
* testsuite/experimental/simd/pr115454_find_last_set.cc: New
test.
2024-06-20 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2024-06-04 Matthias Kretz <m.kretz@gsi.de>
PR libstdc++/115308
* include/experimental/bits/simd.h (__int_for_sizeof): Remove
special cases for __clang__.
(_SimdWrapper): Change constructor overload set to allow
conversion from vector types with integral conversions via bit
reinterpretation.
2024-06-20 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2024-05-29 Matthias Kretz <m.kretz@gsi.de>
PR libstdc++/115247
* include/experimental/bits/simd.h (__as_vector): Don't use
vector_size(8) on __i386__.
(__vec_shuffle): Never return MMX vectors, widen to 16 bytes
instead.
(concat): Fix padding calculation to pick up widening logic from
__as_vector.
2024-06-20 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2024-05-13 Matthias Kretz <m.kretz@gsi.de>
PR libstdc++/114958
* include/experimental/bits/simd.h (__as_vector): Return scalar
simd as one-element vector. Return vector from single-vector
fixed_size simd.
(__vec_shuffle): New.
(__extract_part): Adjust return type signature.
(split): Use __extract_part for any split into non-fixed_size
simds.
(concat): If the return type stores a single vector, use
__vec_shuffle (which calls __builtin_shufflevector) to produce
the return value.
* include/experimental/bits/simd_builtin.h
(__shift_elements_right): Removed.
(__extract_part): Return single elements directly. Use
__vec_shuffle (which calls __builtin_shufflevector) to for all
non-trivial cases.
* include/experimental/bits/simd_fixed_size.h (__extract_part):
Return single elements directly.
* testsuite/experimental/simd/pr114958.cc: New test.
2024-06-20 Release Manager
* GCC 12.4.0 released.
2024-06-17 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-06-14 Jonathan Wakely <jwakely@redhat.com>
* libsupc++/new_opa.cc [!_GLIBCXX_HOSTED]: Fix declaration of
posix_memalign.
2024-06-11 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.
2024-06-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-03-22 Jonathan Wakely <jwakely@redhat.com>
* include/std/utility (__cpp_lib_constexpr_algorithms): Define,
as per LWG 3792.
* testsuite/20_util/exchange/constexpr.cc: Check for it.
2024-06-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-02-16 Jonathan Wakely <jwakely@redhat.com>
* include/bits/fs_ops.h (create_directory): Use reserved name
for parameter.
* 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.
* libsupc++/cxxabi_init_exception.h
(__cxa_init_primary_exception): Likewise.
* testsuite/17_intro/names.cc: Add checks.
2024-06-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-02-02 Jonathan Wakely <jwakely@redhat.com>
* 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.
2024-06-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-06-09 Jonathan Wakely <jwakely@redhat.com>
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.
2024-06-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-07-05 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/110542
* include/bits/stl_uninitialized.h (__uninitialized_default_n):
Do not use std::fill_n during constant evaluation.
2024-06-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-04-10 Jonathan Wakely <jwakely@redhat.com>
* testsuite/27_io/manipulators/extended/get_time/char/2.cc:
Adjust input string so that it matches %a with or without a
trailing period.
2024-06-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-03-19 Jonathan Wakely <jwakely@redhat.com>
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.
2024-06-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-03-19 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/114367
* include/bits/stl_bvector.h (_M_allocate): Use allocator's
construct function to begin lifetime of words.
2024-06-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-04-03 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104606
* include/std/optional (operator<=>(const optional<T>&, const U&)):
Reverse order of three_way_comparable_with template arguments.
* testsuite/20_util/optional/relops/104606.cc: New test.
2024-06-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-03-22 Jonathan Wakely <jwakely@redhat.com>
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.
2024-06-01 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-06-01 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/115269
* doc/xml/manual/using.xml: Replace link to gcc-4.3.2 docs.
Replace list of -std=... options with a single entry for -std.
* doc/html/manual/using.html: Regenerate.
2024-05-08 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2024-04-22 Matthias Kretz <m.kretz@gsi.de>
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.
2024-05-08 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2024-04-22 Matthias Kretz <m.kretz@gsi.de>
* 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.
2024-05-08 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2024-04-17 Matthias Kretz <m.kretz@gsi.de>
* include/experimental/bits/numeric_traits.h: Add include guard.
2024-05-08 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2024-04-17 Matthias Kretz <m.kretz@gsi.de>
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.
2024-05-08 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2024-03-27 Matthias Kretz <m.kretz@gsi.de>
* 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.
2024-05-08 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2024-03-27 Matthias Kretz <m.kretz@gsi.de>
* 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.
2024-05-08 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-06-06 Matthias Kretz <m.kretz@gsi.de>
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.
2024-05-08 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-06-06 Matthias Kretz <m.kretz@gsi.de>
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.
2024-05-08 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-06-06 Matthias Kretz <m.kretz@gsi.de>
* include/experimental/bits/simd.h (__bit_cast): Use
__gnu__::__vector_size__ instead of gnu::vector_size.
2024-04-21 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2024-02-19 Iain Sandoe <iain@sandoe.co.uk>
Jonathan Wakely <jwakely@redhat.com>
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.
2024-04-21 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2024-03-19 Iain Sandoe <iain@sandoe.co.uk>
* testsuite/lib/dg-options.exp (atomic_link_flags): Emit a -B
option for the path to the uninstalled libatomic.
2024-04-21 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2024-03-19 Iain Sandoe <iain@sandoe.co.uk>
* testsuite/lib/libstdc++.exp (v3_target_compile): Instead of
/dev/null, use a temporary file for test executables on Darwin.
2024-04-18 Iain Sandoe <iain@sandoe.co.uk>
Backported from master:
2022-12-04 Iain Sandoe <iain@sandoe.co.uk>
* config/os/bsd/darwin/os_defines.h
(_GTHREAD_USE_RECURSIVE_MUTEX_INIT_FUNC): Limit use of this macro
to OS versions that need it.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-05-12 Jonathan Wakely <jwakely@redhat.com>
* testsuite/experimental/feat-cxx14.cc: Remove dependency on
_GLIBCXX_USE_C99_STDINT_TR1.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-05-12 Jonathan Wakely <jwakely@redhat.com>
* testsuite/21_strings/basic_string_view/typedefs.cc: Remove
dependency on _GLIBCXX_USE_C99_STDINT_TR1.
* testsuite/experimental/string_view/typedefs.cc: Likewise.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-09-11 Jonathan Wakely <jwakely@redhat.com>
* src/c++11/Makefile.am: Add new file.
* src/c++11/Makefile.in: Regenerate.
* src/c++11/debug.cc (__glibcxx_assert_fail): Move to ...
* src/c++11/assert_fail.cc: New file.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-06-26 Jonathan Wakely <jwakely@redhat.com>
* include/bits/iterator_concepts.h (projected): Replace class
template with alias template denoting an ADL-proofed helper.
(incremental_traits<projected<Iter, Proj>>): Remove.
* testsuite/24_iterators/indirect_callable/projected-adl.cc:
New test.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-04-27 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/40380
* include/bits/basic_string.h: Improve doxygen comments.
* include/bits/cow_string.h: Likewise.
* include/bits/forward_list.h: Likewise.
* include/bits/fs_dir.h: Likewise.
* include/bits/fs_path.h: Likewise.
* include/bits/quoted_string.h: Likewise.
* include/bits/stl_bvector.h: Likewise.
* include/bits/stl_map.h: Likewise.
* include/bits/stl_multimap.h: Likewise.
* include/bits/stl_multiset.h: Likewise.
* include/bits/stl_set.h: Likewise.
* include/bits/stl_vector.h: Likewise.
* include/bits/unordered_map.h: Likewise.
* include/bits/unordered_set.h: Likewise.
* include/std/filesystem: Likewise.
* include/std/iomanip: Likewise.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-19 Jonathan Wakely <jwakely@redhat.com>
* include/bits/ptr_traits.h (pointer_traits::pointer_to): Rename
parameter.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-21 Jonathan Wakely <jwakely@redhat.com>
* include/std/tuple: Add better Doxygen comments.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-08 Jonathan Wakely <jwakely@redhat.com>
* testsuite/18_support/new_nothrow.cc: Add missing noexcept
to operator delete replacements.
* testsuite/20_util/any/cons/92156.cc: Disable
-Winit-list-lifetime warnings from instantiating invalid
specialization of manager function.
* testsuite/20_util/any/modifiers/92156.cc: Likewise.
* testsuite/20_util/default_delete/void_neg.cc: Prune additional
diagnostics.
* testsuite/20_util/headers/memory/synopsis.cc: Add missing
noexcept.
* testsuite/20_util/shared_ptr/cons/void_neg.cc: Prune
additional diagnostic.
* testsuite/20_util/unique_ptr/creation/for_overwrite.cc: Add
missing noexcept to operator delete replacements.
* testsuite/21_strings/basic_string/cons/char/103919.cc:
Likewise.
* testsuite/23_containers/map/modifiers/emplace/92300.cc:
Likewise.
* testsuite/23_containers/map/modifiers/insert/92300.cc:
Likewise.
* testsuite/24_iterators/headers/iterator/range_access_c++11.cc:
Add missing noexcept to synopsis declarations.
* testsuite/24_iterators/headers/iterator/range_access_c++14.cc:
Likewise.
* testsuite/24_iterators/headers/iterator/range_access_c++17.cc:
Likewise.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-09-21 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/headers/memory/synopsis.cc: Add declarations
from C++11 and later.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-08 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_tempbuf.h (_Temporary_buffer): Disable
warnings about get_temporary_buffer being deprecated.
* include/ext/functional (mem_fun1, mem_fun1_ref): Disable
warnings about mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t and
const_mem_fun1_ref_t being deprecated.
* include/std/spanstream (basic_spanbuf::setbuf): Add assertion
and adjust to avoid narrowing warning.
* libsupc++/exception_ptr.h [!__cpp_rtti && !__cpp_exceptions]
(make_exception_ptr): Add missing inline specifier.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-13 Jonathan Wakely <jwakely@redhat.com>
* doc/doxygen/user.cfg.in (PREDEFINED): Define
_GTHREAD_USE_MUTEX_TIMEDLOCK macro.
* include/bits/std_mutex.h (mutex, lock_guard): Use @since and
@headerfile.
* include/bits/unique_lock.h (unique_lock): Likewise.
* include/std/mutex (recursive_mutex, timed_mutex)
(recursive_timed_mutex, scoped_lock): Likewise.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-13 Jonathan Wakely <jwakely@redhat.com>
* doc/doxygen/user.cfg.in (PREDEFINED): Define
_GLIBCXX23_CONSTEXPR macro.
* include/backward/auto_ptr.h (auto_ptr): Use @deprecated.
* include/bits/unique_ptr.h (default_delete): Use @since and
@headerfile.
* include/std/scoped_allocator: Remove @ingroup from @file
block.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-13 Jonathan Wakely <jwakely@redhat.com>
* include/bits/ostream_insert.h: Mark helper functions as
undocumented by Doxygen.
* include/bits/stl_algo.h: Use markdown for formatting and mark
helper functions as undocumented.
* include/bits/stl_numeric.h: Likewise.
* include/bits/stl_pair.h (pair): Add @headerfile.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-13 Jonathan Wakely <jwakely@redhat.com>
* doc/doxygen/user.cfg.in (PREDEFINED): Define __allocator_base
so that Doxygen shows the right base-class for std::allocator.
* include/bits/alloc_traits.h: Improve doxygen docs.
* include/bits/allocator.h: Likewise.
* include/bits/new_allocator.h: Likewise.
* include/ext/new_allocator.h: Likewise.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-13 Jonathan Wakely <jwakely@redhat.com>
* doc/doxygen/user.cfg.in (PREDEFINED): Define macro
_GLIBCXX_DOXYGEN_ONLY to expand its argument.
* include/bits/c++config (_GLIBCXX_DOXYGEN_ONLY): Define.
* include/bits/regex.h: Improve doxygen docs.
* include/bits/regex_constants.h: Likewise.
* include/bits/regex_error.h: Likewise.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-13 Jonathan Wakely <jwakely@redhat.com>
* include/std/atomic: Suppress doxygen docs for
implementation details.
* include/bits/atomic_base.h: Likewise.
* include/bits/shared_ptr_atomic.h: Use markdown. Fix grouping
so that std::atomic is not added to the pointer abstractions
group.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-17 Jonathan Wakely <jwakely@redhat.com>
* src/Makefile.am [ENABLE_SYMVERS_GNU_NAMESPACE] (cxx11_sources):
Do not build the compatibility*-c++0x.cc objects.
* src/Makefile.in: Regenerate.
* src/c++11/compatibility-c++0x.cc [_GLIBCXX_INLINE_VERSION]:
Refuse to build for the versioned namespace.
* src/c++11/compatibility-chrono.cc: Likewise.
* src/c++11/compatibility-condvar.cc: Likewise.
* src/c++11/compatibility-thread-c++0x.cc: Likewise.
* src/c++11/chrono.cc (system_clock, steady_clock):
Use macros to define in inline namespace _V2, matching the
declarations in <system_error>.
* src/c++11/system_error.cc (system_category, generic_category):
Likewise.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-13 Jonathan Wakely <jwakely@redhat.com>
* doc/doxygen/user.cfg.in (PREDEFINED): Expand new macros to
nothing.
* include/bits/c++config (_GLIBCXX_BEGIN_INLINE_ABI_NAMESPACE)
(_GLIBCXX_END_INLINE_ABI_NAMESPACE): Define new macros.
* include/bits/algorithmfwd.h (_V2::__rotate): Use new macros
for the namespace.
* include/bits/chrono.h (chrono::_V2::system_clock): Likewise.
* include/bits/stl_algo.h (_V2::__rotate): Likewise.
* include/std/condition_variable (_V2::condition_variable_any):
Likewise.
* include/std/system_error (_V2::error_category): Likewise.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-13 Jonathan Wakely <jwakely@redhat.com>
* doc/doxygen/user.cfg.in (GROUP_NESTED_COMPOUNDS): Set to NO.
(CLASS_DIAGRAMS): Remove obsolete option.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-06-27 Jonathan Wakely <jwakely@redhat.com>
* include/bits/fs_path.h (__is_path_iter_src): Replace class
template with variable template.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-09-26 Jonathan Wakely <jwakely@redhat.com>
* include/bits/ptr_traits.h (__ptr_traits_elem) [__cpp_concepts]:
Also define the __ptr_traits_elem class template for the
concepts case.
(pointer_traits<Ptr>): Remove constrained partial
specialization.
* testsuite/20_util/pointer_traits/lwg3545.cc: Check for
ambiguitiy with program-defined partial specialization.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-09-24 Jonathan Wakely <jwakely@redhat.com>
* include/bits/alloc_traits.h (allocator_traits::is_always_equal):
Only instantiate is_empty if needed.
* include/bits/ptr_traits.h (__ptr_traits_impl::difference_type)
(__ptr_traits_impl::rebind): Use __detected_or.
* include/experimental/type_traits (is_same_v): Add a partial
specialization instead of instantiating the std::is_same class
template.
(detected_t): Redefine in terms of detected_or_t.
(is_detected, is_detected_v): Redefine in terms of detected_t.
* include/std/type_traits [__cpp_concepts] (__detected_or): Add
new definition using concepts.
(__detector::value_t): Rename to __is_detected.
* testsuite/17_intro/names.cc: Check value_t isn't used.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-13 Jonathan Wakely <jwakely@redhat.com>
* include/bits/ptr_traits.h: Add some doxygen comments.
2024-03-18 Xi Ruoyao <xry111@xry111.site>
Backported from master:
2022-06-24 Xi Ruoyao <xry111@xry111.site>
* scripts/extract_symvers.in: Use grep -E instead of egrep.
* scripts/run_doxygen: Likewise.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-10-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/107376
* include/bits/regex_executor.h (_Executor::_Executor): Use same
allocator for _M_cur_results and _M_results.
* include/bits/regex_executor.tcc (_Executor::_M_main_dispatch):
Prevent possibly incorrect allocator propagating to
_M_cur_results.
* testsuite/28_regex/algorithms/regex_match/107376.cc: New test.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-02-02 Jonathan Wakely <jwakely@redhat.com>
* include/std/sstream (basic_stringbuf::view): Define for old
std::string ABI.
(basic_istringstream::view, basic_stringstream::view)
(basic_stringstream::view): Likewise.
* testsuite/27_io/basic_istringstream/view/char/1.cc: Remove
{ dg-require-effective-target cxx11_abi }.
* testsuite/27_io/basic_istringstream/view/wchar_t/1.cc:
Likewise.
* testsuite/27_io/basic_ostringstream/view/char/1.cc: Likewise.
* testsuite/27_io/basic_ostringstream/view/wchar_t/1.cc:
Likewise.
* testsuite/27_io/basic_stringbuf/view/char/1.cc: Likewise.
* testsuite/27_io/basic_stringbuf/view/wchar_t/1.cc: Likewise.
* testsuite/27_io/basic_stringstream/view/char/1.cc: Likewise.
* testsuite/27_io/basic_stringstream/view/wchar_t/1.cc:
Likewise.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-09-07 Jonathan Wakely <jwakely@redhat.com>
* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for mkdir,
chmod, chdir, and getcwd.
* config.h.in: Regenerate.
* configure: Regenerate.
* src/c++17/fs_ops.cc (create_dir): Use USE_MKDIR macro.
(fs::current_path): Use USE_GETCWD and USE_CHDIR macros.
(fs::permissions): Use USE_CHMOD macro.
* src/filesystem/ops-common.h [FILESYSTEM_IS_WINDOWS]
(chmod, mkdir, getcwd, chdir): Define new macros.
[FILESYSTEM_IS_WINDOWS] (chmod, mkdir, getcwd, chdir): Use
new macros.
* src/filesystem/ops.cc (create_dir): Use USE_MKDIR macro.
(fs::current_path): Use USE_GETCWD and USE_CHDIR macros.
(fs::permissions): Use USE_CHMOD macro.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-08-09 Jonathan Wakely <jwakely@redhat.com>
* include/bits/new_allocator.h (__new_allocator): Define copy
assignment operator as defaulted.
* include/std/complex (complex<float>, complex<double>)
(complex<long double>): Define copy constructor as defaulted.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-11-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/112473
* include/bits/utility.h (integer_sequence): Add static_assert.
* testsuite/20_util/integer_sequence/112473.cc: New test.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-09-15 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/111172
* include/std/variant (get<T>): Remove !is_void static
assertions.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-10-26 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/112089
* include/std/shared_mutex (shared_lock::unlock): Change errc
constant to operation_not_permitted.
* testsuite/30_threads/shared_lock/locking/112089.cc: New test.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-02-29 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/113960
* include/bits/stl_algobase.h (__is_byte_iter): Replace with ...
(__memcmp_ordered_with): New concept.
(lexicographical_compare_three_way): Use __memcmp_ordered_with
instead of __is_byte_iter. Use correct length for memcmp.
* testsuite/25_algorithms/lexicographical_compare_three_way/113960.cc:
New test.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-02-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/108846
* include/bits/stl_algobase.h (__copy_move<false, false, RA>)
Add __assign_one static member function.
(__copy_move<true, false, RA>): Likewise.
(__copy_move<IsMove, true, RA>): Do not use memmove for a single
value.
(__copy_move_backward<IsMove, true, RA>): Likewise.
* testsuite/25_algorithms/copy/108846.cc: New test.
* testsuite/25_algorithms/copy_backward/108846.cc: New test.
* testsuite/25_algorithms/copy_n/108846.cc: New test.
* testsuite/25_algorithms/move/108846.cc: New test.
* testsuite/25_algorithms/move_backward/108846.cc: New test.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-03-22 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stream_iterator.h (istream_iterator): Add
constexpr to copy constructor, as per LWG 3600.
* testsuite/24_iterators/istream_iterator/cons/constexpr.cc:
Check copy construction.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-03-22 Jonathan Wakely <jwakely@redhat.com>
* include/bits/regex.h (match_results): Add allocator-extended
copy and move constructors, as per LWG 2195.
* testsuite/28_regex/match_results/ctors/char/alloc.cc: New test.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-02-28 Jonathan Wakely <jwakely@redhat.com>
* src/c++11/codecvt.cc: Add [[likely]] and [[unlikely]]
attributes.
2024-03-18 Dimitrij Mijoski <dmjpp@hotmail.com>
Backported from master:
2023-01-13 Dimitrij Mijoski <dmjpp@hotmail.com>
PR libstdc++/86419
* src/c++11/codecvt.cc (read_utf8_code_point): Correctly detect
errors in incomplete multibyte sequences.
(utf16_in): Remove surrogates parameter. Fix conditions for
returning partial.
(utf16_out): Fix condition for returning partial.
(ucs2_in): Do not pass surrogates argument to utf16_in.
* testsuite/22_locale/codecvt/codecvt_unicode.cc: New test.
* testsuite/22_locale/codecvt/codecvt_unicode.h: New header for
tests.
* testsuite/22_locale/codecvt/codecvt_unicode_wchar_t.cc: New
test.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-07-26 Jonathan Wakely <jwakely@redhat.com>
* include/bits/algorithmfwd.h (random_shuffle): Add deprecated
attribute.
* include/bits/stl_algo.h (random_shuffle): Correct comments.
* testsuite/25_algorithms/random_shuffle/1.cc: Disable
deprecated warnings.
* testsuite/25_algorithms/random_shuffle/59603.cc: Likewise.
* testsuite/25_algorithms/random_shuffle/moveable.cc: Likewise.
* testsuite/25_algorithms/random_shuffle/deprecated.cc: New
test.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-05-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/109758
* include/bits/std_abs.h (abs(__float128)): Handle negative NaN
and negative zero correctly.
* testsuite/26_numerics/headers/cmath/109758.cc: New test.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-05-12 Jonathan Wakely <jwakely@redhat.com>
* acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Use a non-null pointer
to check for nan, nanf, and nanl.
* configure: Regenerate.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-05-31 Jonathan Wakely <jwakely@redhat.com>
* include/std/scoped_allocator (scoped_allocator_adaptor): Add
noexcept to all constructors except the default constructor.
(scoped_allocator_adaptor::inner_allocator): Add noexcept.
(scoped_allocator_adaptor::outer_allocator): Likewise.
* testsuite/20_util/scoped_allocator/noexcept.cc: New test.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-06-01 Jonathan Wakely <jwakely@redhat.com>
* testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc:
Add const to equality operator.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-06-09 Jonathan Wakely <jwakely@redhat.com>
* testsuite/23_containers/deque/modifiers/emplace/52799.cc:
Removed.
* testsuite/23_containers/deque/modifiers/emplace/const_iterator.cc:
Removed.
* testsuite/23_containers/list/modifiers/emplace/52799.cc:
Removed.
* testsuite/23_containers/list/modifiers/emplace/const_iterator.cc:
Removed.
* testsuite/23_containers/vector/modifiers/emplace/52799.cc:
Removed.
* testsuite/23_containers/vector/modifiers/emplace/const_iterator.cc:
Removed.
* testsuite/23_containers/deque/modifiers/emplace/1.cc: New
test.
* testsuite/23_containers/list/modifiers/emplace/1.cc: New
test.
* testsuite/23_containers/vector/modifiers/emplace/1.cc: New
test.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-07-03 Jonathan Wakely <jwakely@redhat.com>
* include/bits/alloc_traits.h (_Destroy): Qualify call.
* include/bits/stl_construct.h (_Destroy, _Destroy_n): Likewise.
* testsuite/23_containers/vector/cons/destroy-adl.cc: New test.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-07-19 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/110593
* include/bits/chrono.h (duration): Improve static assert
messages.
(__is_ratio): Move to ...
* include/std/ratio (__is_ratio): ... here.
(__is_ratio_v): New variable template and partial
specialization.
(__are_both_ratios): New function template.
(__ratio_multiply, ratio_equal, ratio_less, __ratio_add):
Add static assertion.
* testsuite/20_util/ratio/requirements/type_constraints.cc:
New test.
* testsuite/20_util/duration/requirements/typedefs_neg1.cc:
Adjust expected error.
* testsuite/20_util/duration/requirements/typedefs_neg2.cc:
Likewise.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-09-11 Jonathan Wakely <jwakely@redhat.com>
* src/c++11/debug.cc (acquire_sequence_ptr_for_lock): New
function.
(reset_sequence_ptr): New function.
(_Safe_iterator_base::_M_detach)
(_Safe_local_iterator_base::_M_detach): Replace bare atomic_load
with acquire_sequence_ptr_for_lock.
(_Safe_iterator_base::_M_reset): Replace bare atomic_store with
reset_sequence_ptr.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-08-16 Jonathan Wakely <jwakely@redhat.com>
* include/bits/basic_string.tcc (resize_and_overwrite): Invoke
the callable with the same size as resize_and_overwrite was
called with.
* testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
Check with small values for the new size.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-03-22 Jonathan Wakely <jwakely@redhat.com>
* include/bits/basic_string.tcc (basic_string::resize_and_overwrite):
Pass rvalues to the callback, as now allowed by LWG 3645.
Enforce preconditions on the return value.
* testsuite/21_strings/basic_string/capacity/char/resize_and_overwrite.cc:
Adjust.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-08-09 Jonathan Wakely <jwakely@redhat.com>
* include/bits/shared_ptr_atomic.h (atomic): Change class-head
to struct.
* include/bits/stl_tree.h (_Rb_tree_merge_helper): Change
class-head to struct in friend declaration.
* include/std/future (_Task_state_base, _Task_state): Likewise.
* include/std/scoped_allocator (__inner_type_impl): Likewise.
* include/std/valarray (_BinClos, _SClos, _GClos, _IClos)
(_ValFunClos, _RefFunClos): Change class-head to struct.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-09-08 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/test.xml: Update reference to -std=gnu++14 as
the default.
* doc/html/manual/test.html: Regenerate.
2024-03-18 Alexey Lapshin <alexey.lapshin@espressif.com>
Backported from master:
2023-09-08 Alexey Lapshin <alexey.lapshin@espressif.com>
* src/libbacktrace/Makefile.am: Remove -Werror.
* src/libbacktrace/Makefile.in: Regenerate.
2024-03-18 Nathaniel Shead <nathanieloshead@gmail.com>
Backported from master:
2023-09-29 Nathaniel Shead <nathanieloshead@gmail.com>
* include/bits/basic_string.h: (basic_string(basic_string&&)):
Activate _M_local_buf when needed.
(basic_string(basic_string&&, const _Alloc&)): Likewise.
* include/bits/basic_string.tcc: (basic_string::swap): Likewise.
* include/std/variant: (__detail::__variant::__construct_n): New.
(__detail::__variant::__emplace): Use __construct_n.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-11-02 Jonathan Wakely <jwakely@redhat.com>
* acinclude.m4 (GLIBCXX_ENABLE_C99): Fix snprintf checks.
* configure: Regenerate.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-11-21 Jonathan Wakely <jwakely@redhat.com>
* include/tr2/dynamic_bitset (dynamic_bitset): Pass zero and one
characters to _M_copy_from_string.
* testsuite/tr2/dynamic_bitset/string.cc: New test.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-11-14 Jonathan Wakely <jwakely@redhat.com>
* include/std/charconv (__from_chars_pow2_base): Convert base to
unsigned for call to __countr_zero.
(__from_chars_alnum): Likewise for call to __bit_width.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-11-23 Jonathan Wakely <jwakely@redhat.com>
* testsuite/util/testsuite_allocator.h (uneq_allocator): Fix
equality operator for heterogeneous comparisons.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-03-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/66146
* doc/xml/manual/status_cxx2011.xml: Remove mention of Linux in
note about std::call_once.
* doc/xml/manual/status_cxx2014.xml: Likewise.
* doc/xml/manual/status_cxx2017.xml: Likewise.
* doc/html/manual/status.html: Regenerate.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-03-13 Jonathan Wakely <jwakely@redhat.com>
* testsuite/libstdc++-prettyprinters/cxx11.cc: Move custom_cat
to namespace scope.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-02-28 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/appendix_contributing.xml: Change URLs to use
https.
* doc/html/manual/*: Regenerate.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-02-28 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/appendix_contributing.xml: Replace outdated
info on ChangeLog entries.
* doc/html/manual/appendix_contributing.html: Regenerate.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-04 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/107500
* libsupc++/eh_globals.cc (eh_globals): Remove immortalizing
wrapper.
(__cxxabiv1::__cxa_get_globals_fast): Adjust.
(__cxxabiv1::__cxa_get_globals): Adjust.
2024-03-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-03-04 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/114147
* include/std/tuple (tuple::tuple(allocator_arg_t, const Alloc&)):
Add missing overload of allocator-extended default constructor.
(tuple<T1,T2>::tuple(allocator_arg_t, const Alloc&)): Likewise.
* testsuite/20_util/tuple/cons/114147.cc: New test.
2024-03-13 Cassio Neri <cassio.neri@gmail.com>
Backported from master:
2024-01-05 Cassio Neri <cassio.neri@gmail.com>
* 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.
2024-03-13 Cassio Neri <cassio.neri@gmail.com>
Backported from master:
2023-11-14 Cassio Neri <cassio.neri@gmail.com>
* include/std/chrono (operator-(const weekday&, const weekday&)):
Optimize.
2024-03-13 Cassio Neri <cassio.neri@gmail.com>
Backported from master:
2023-11-14 Cassio Neri <cassio.neri@gmail.com>
* include/std/chrono (year::is_leap): Clear code.
2024-03-13 Cassio Neri <cassio.neri@gmail.com>
Backported from master:
2023-11-14 Cassio Neri <cassio.neri@gmail.com>
* include/std/chrono (year_month_day_last::day): Remove &1.
2024-03-13 Cassio Neri <cassio.neri@gmail.com>
Backported from master:
2023-11-14 Cassio Neri <cassio.neri@gmail.com>
* include/std/chrono (weekday::_S_from_days): Fix UB.
* testsuite/std/time/weekday/1.cc: Add test for overflow.
2024-03-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-08-09 Jonathan Wakely <jwakely@redhat.com>
* include/bits/list.tcc (list::sort(Cmp)): Fix -Wsign-compare
warning for loop condition.
2024-03-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-06-09 Jonathan Wakely <jwakely@redhat.com>
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.
2024-02-08 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-02-02 Jonathan Wakely <jwakely@redhat.com>
* 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.
2024-02-08 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-02-02 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90276
* testsuite/util/pstl/test_utils.h (reverse_invoker): Do not use
perfect forwarding for iterator arguments.
2024-02-08 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-02-02 Jonathan Wakely <jwakely@redhat.com>
* include/std/syncstream (basic_osyncstream::operator=): Remove
noexcept, as per LWG 3867.
2024-02-08 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-01-13 Jonathan Wakely <jwakely@redhat.com>
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 <jwakely@redhat.com>
Backported from master:
2024-01-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/113258
* libsupc++/new_opa.cc: Prefer to use posix_memalign if
available.
2024-02-02 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/108636
* include/bits/shared_ptr_base.h (__shared_ptr::operator bool):
Add always_inline attribute for C++20 and later.
2024-01-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2024-01-05 Jonathan Wakely <jwakely@redhat.com>
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.
2024-01-11 Ken Matsui <kmatsui@gcc.gnu.org>
Backported from master:
2024-01-11 Ken Matsui <kmatsui@gcc.gnu.org>
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.
2024-01-03 Patrick Palka <ppalka@redhat.com>
Backported from master:
2024-01-03 Patrick Palka <ppalka@redhat.com>
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.
2023-12-16 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2023-10-13 Jakub Jelinek <jakub@redhat.com>
* testsuite/tr1/8_c_compatibility/cstdio/functions.cc (test01):
Initialize stream to va_arg(ap, FILE*) rather than 0.
* testsuite/tr1/8_c_compatibility/cwchar/functions.cc (test01):
Likewise.
2023-12-06 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-11-02 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/112314
* include/std/string_view (string_view::remove_suffix): Add
debug assertion.
* testsuite/21_strings/basic_string_view/modifiers/remove_prefix/debug.cc:
New test.
* testsuite/21_strings/basic_string_view/modifiers/remove_suffix/debug.cc:
New test.
2023-12-06 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-11-17 Jonathan Wakely <jwakely@redhat.com>
* include/std/utility (in_range): Rename _Up parameter to _Res.
2023-11-15 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-11-15 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/112491
* python/libstdcxx/v6/xmethods.py (DequeWorkerBase.index):
Correctly handle unused capacity at the start of the first node.
* testsuite/libstdc++-xmethods/deque.cc: Check index operator
when elements have been removed from the front.
2023-11-15 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-11-15 Jonathan Wakely <jwakely@redhat.com>
* include/std/stacktrace (basic_stacktrace::at): Fix class name
in exception message.
* testsuite/19_diagnostics/stacktrace/hash.cc: Do not fail if
current() returns a non-empty stacktrace.
2023-11-14 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-11-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/112348
* include/std/stacktrace (hash<basic_stacktrace<Alloc>>): Fix
type of hash function for entries.
* testsuite/19_diagnostics/stacktrace/hash.cc: New test.
2023-11-14 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-11-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/112491
* python/libstdcxx/v6/xmethods.py (DequeWorkerBase.size): Fix
calculation to use _M_start._M_cur.
* testsuite/libstdc++-xmethods/deque.cc: Check failing cases.
2023-11-13 Tom Tromey <tromey@adacore.com>
Backported from master:
2023-10-04 Tom Tromey <tromey@adacore.com>
* python/libstdcxx/v6/printers.py
(StdExpAnyPrinter.__init__): Qualify call to
_string_types.
2023-11-13 Tom Tromey <tromey@adacore.com>
Backported from master:
2023-10-04 Tom Tromey <tromey@adacore.com>
* python/libstdcxx/v6/printers.py: Assume that
_versioned_namespace is non-None.
* python/libstdcxx/v6/xmethods.py (is_specialization_of):
Assume that _versioned_namespace is non-None.
2023-11-13 Tom Tromey <tromey@adacore.com>
Backported from master:
2023-09-28 Tom Tromey <tromey@adacore.com>
* python/libstdcxx/v6/printers.py (Printer.add_version)
(add_one_template_type_printer)
(FilteringTypePrinter.add_one_type_printer): Use Python
"not in" operator.
2023-11-13 Tom Tromey <tromey@adacore.com>
Backported from master:
2023-10-04 Tom Tromey <tromey@adacore.com>
* python/libstdcxx/v6/xmethods.py (_versioned_namespace):
Define.
2023-11-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-09-28 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/xmethods.py (is_specialization_of): Define
new function.
(ArrayMethodsMatcher, DequeMethodsMatcher)
(ForwardListMethodsMatcher, ListMethodsMatcher)
(VectorMethodsMatcher, AssociativeContainerMethodsMatcher)
(UniquePtrGetWorker, UniquePtrMethodsMatcher)
(SharedPtrSubscriptWorker, SharedPtrMethodsMatcher): Use
is_specialization_of instead of re.match.
2023-11-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-09-28 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py: Break long lines. Use raw
strings for regular expressions. Add whitespace around
operators.
(is_member_of_namespace): Use isinstance to check type.
(is_specialization_of): Likewise. Adjust template_name
for versioned namespace instead of duplicating the re.match
call.
(StdExpAnyPrinter._string_types): New static method.
(StdExpAnyPrinter.to_string): Use _string_types.
2023-11-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-09-28 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py: Format docstrings according
to PEP 257.
* python/libstdcxx/v6/xmethods.py: Likewise.
2023-11-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-09-12 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py: Reformat.
* python/libstdcxx/v6/xmethods.py: Likewise.
2023-11-06 Ian Lance Taylor <iant@golang.org>
PR libbacktrace/111315
PR libbacktrace/112263
* acinclude.m4: Set -D_GNU_SOURCE in BACKTRACE_CPPFLAGS and when
grepping link.h for dl_iterate_phdr.
* configure: Regenerate.
2023-10-25 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-10-25 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/111936
* src/libbacktrace/Makefile.am: Add -prefer-pic to libtool
compile commands.
* src/libbacktrace/Makefile.in: Regenerate.
2023-10-23 Franﾃｧois Dumont <fdumont@gcc.gnu.org>
* include/bits/hashtable_policy.h
(_Hash_code_base::_M_hash_code(const _Hash&, const _Hash_node_value<>&)): Remove.
(_Hash_code_base::_M_hash_code<_H2>(const _H2&, const _Hash_node_value<>&)): Remove.
* include/bits/hashtable.h
(_M_src_hash_code<_H2>(const _H2&, const key_type&, const __node_value_type&)): New.
(_M_merge_unique<>, _M_merge_multi<>): Use latter.
* testsuite/23_containers/unordered_map/modifiers/merge.cc
(test04, test05, test06): New test cases.
2023-10-03 Jonathan Wakely <jwakely@redhat.com>
* include/bits/fs_dir.h (directory_iterator::operator==):
Define without using a non-exported shared_ptr symbol.
(recursive_directory_iterator::operator==): Likewise.
2023-10-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-09-01 Jonathan Wakely <jwakely@redhat.com>
* testsuite/27_io/filesystem/path/108636.cc: Add dg-require for
filesystem support.
2023-10-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-06-06 Jonathan Wakely <jwakely@redhat.com>
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.
2023-10-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-06-06 Jonathan Wakely <jwakely@redhat.com>
* src/filesystem/ops-common.h (do_copy_file) [O_CLOEXEC]: Set
close-on-exec flag on file descriptors.
2023-10-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-03-20 Jonathan Wakely <jwakely@redhat.com>
* src/filesystem/ops-common.h (get_temp_directory_from_env): Fix
formatting.
2023-10-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-02-02 Jonathan Wakely <jwakely@redhat.com>
* src/filesystem/ops-common.h [AVR] (__unsupported): Always use
errc::function_not_supported instead of errc::not_supported.
2023-10-02 Tim Song <t.canens.cpp@gmail.com>
Backported from master:
2023-09-28 Tim Song <t.canens.cpp@gmail.com>
PR libstdc++/111050
* include/bits/hashtable_policy.h
(_Hash_node_value_base<>::_M_valptr(), _Hash_node_value_base<>::_M_v())
Add [[__gnu__::__always_inline__]].
2023-09-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-08-09 Jonathan Wakely <jwakely@redhat.com>
* 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 <jwakely@redhat.com>
Backported from master:
2023-09-25 Jonathan Wakely <jwakely@redhat.com>
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 <jwakely@redhat.com>
Backported from master:
2023-09-18 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/configure.xml: Use conventional option name.
* doc/xml/manual/status_cxx2020.xml: Update.
* doc/html/*: Regenerate.
2023-09-14 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-09-14 Jonathan Wakely <jwakely@redhat.com>
PR c++/111357
* include/bits/utility.h (make_integer_sequence): Add cast.
* testsuite/20_util/integer_sequence/pr111357.cc: New test.
2023-07-12 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-07-12 Jonathan Wakely <jwakely@redhat.com>
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 <jwakely@redhat.com>
Backported from master:
2023-07-06 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104299
* doc/xml/manual/configure.xml: Describe stdio_pure argument to
--enable-cstdio.
* doc/html/manual/configure.html: Regenerate.
2023-06-23 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-06-01 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/evolution.xml: Document removal of implicit
allocator rebinding extensions in strict mode and for C++20.
* doc/html/*: Regenerate.
2023-06-21 Jason Merrill <jason@redhat.com>
PR tree-optimization/105651
* include/bits/basic_string.tcc (_M_replace): Add an assert
to avoid -Wrestrict false positive.
2023-05-30 Alexandre Oliva <oliva@adacore.com>
Backported from master:
2023-05-30 Alexandre Oliva <oliva@adacore.com>
* 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 Alexandre Oliva <oliva@adacore.com>
Backported from master:
2023-05-25 Alexandre Oliva <oliva@adacore.com>
* testsuite/20_util/to_chars/long_double.cc: Expect execution
fail on x86-vxworks.
2023-05-30 Alexandre Oliva <oliva@adacore.com>
Backported from master:
2023-05-05 Alexandre Oliva <oliva@adacore.com>
* 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.
2023-05-30 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-05-30 Matthias Kretz <m.kretz@gsi.de>
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 <m.kretz@gsi.de>
Backported from master:
2023-05-30 Matthias Kretz <m.kretz@gsi.de>
* testsuite/experimental/simd/tests/integer_operators.cc:
Compute expected value differently to avoid getting turned into
a vector shift.
2023-05-30 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-05-30 Matthias Kretz <m.kretz@gsi.de>
* 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 <m.kretz@gsi.de>
Backported from master:
2023-05-26 Matthias Kretz <m.kretz@gsi.de>
* include/experimental/bits/simd_ppc.h (_S_bit_shift_left):
Negative __y is UB, so prefer signed compare.
2023-05-24 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-05-24 Matthias Kretz <m.kretz@gsi.de>
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.
2023-05-24 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-05-24 Matthias Kretz <m.kretz@gsi.de>
PR libstdc++/109261
* include/experimental/bits/simd.h (__intrinsic_type):
Specialize __intrinsic_type<double, 8> and
__intrinsic_type<double, 16> in any case, but provide the member
type only with __aarch64__.
2023-05-24 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-05-24 Matthias Kretz <m.kretz@gsi.de>
PR libstdc++/109261
* include/experimental/bits/simd_neon.h (_S_reduce): Add
constexpr and make NEON implementation conditional on
not __builtin_is_constant_evaluated.
2023-05-23 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-05-23 Matthias Kretz <m.kretz@gsi.de>
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.
2023-05-23 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-05-22 Matthias Kretz <m.kretz@gsi.de>
* 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.
2023-05-23 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-03-28 Matthias Kretz <m.kretz@gsi.de>
* include/experimental/bits/simd.h (is_simd_flag_type): New.
(_IsSimdFlagType): New.
(copy_from, copy_to, load ctors): Constrain _Flags using
_IsSimdFlagType.
2023-05-23 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-03-28 Matthias Kretz <m.kretz@gsi.de>
* include/experimental/bits/simd_x86.h (_SimdImplX86): Use
_Base::_S_divides if the optimized _S_divides function is hidden
via the preprocessor.
2023-05-23 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-03-21 Matthias Kretz <m.kretz@gsi.de>
* 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.
2023-05-23 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-02-24 Matthias Kretz <m.kretz@gsi.de>
* 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.
2023-05-23 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-02-24 Matthias Kretz <m.kretz@gsi.de>
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.
2023-05-23 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-02-24 Matthias Kretz <m.kretz@gsi.de>
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.
2023-05-23 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-02-23 Matthias Kretz <m.kretz@gsi.de>
* testsuite/experimental/simd/tests/reductions.cc: Introduce
max_distance as the type-dependent max error.
2023-05-23 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-02-23 Matthias Kretz <m.kretz@gsi.de>
PR libstdc++/108030
* include/experimental/bits/simd_detail.h
(_GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA): Define as empty for
__clang__.
2023-05-23 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-02-16 Matthias Kretz <m.kretz@gsi.de>
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.
2023-05-16 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/107801
* src/c++17/memory_resource.cc (chunk::_M_bytes): Change type
from uint32_t to bitset::size_type. Adjust static assertion.
(__pool_resource::_Pool::replenish): Cast to size_t after
multiplication instead of before.
(__pool_resource::_M_alloc_pools): Ensure both arguments to
std::max have type size_t.
2023-05-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-16 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py (StdExpAnyPrinter): Make
expansion of std::string in manager name more robust.
2023-05-08 Release Manager
* GCC 12.3.0 released.
2023-05-03 Kefu Chai <kefu.chai@scylladb.com>
Backported from master:
2023-05-03 Kefu Chai <kefu.chai@scylladb.com>
Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/109703
* include/bits/basic_string.h (basic_string(Iter, Iter, Alloc)):
Initialize _M_string_length.
2023-05-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-04-28 Jonathan Wakely <jwakely@redhat.com>
* doc/doxygen/user.cfg.in (STRIP_FROM_PATH): Remove prefixes
from header paths.
2023-04-29 Patrick Palka <ppalka@redhat.com>
Backported from master:
2023-04-12 Patrick Palka <ppalka@redhat.com>
* 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/lazy_split.cc (test12): New test.
2023-04-29 Patrick Palka <ppalka@redhat.com>
Backported from master:
2023-03-14 Patrick Palka <ppalka@redhat.com>
* 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.
2023-04-29 Patrick Palka <ppalka@redhat.com>
Backported from master:
2023-03-09 Patrick Palka <ppalka@redhat.com>
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/lwg3292_neg.cc: Prune "in
requirements" diagnostic.
* 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.
2023-04-28 Patrick Palka <ppalka@redhat.com>
Backported from master:
2023-04-24 Patrick Palka <ppalka@redhat.com>
* 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.
2023-04-27 Jonathan Wakely <jwakely@redhat.com>
* include/std/atomic: Add missing @endcond doxygen comment.
2023-04-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-25 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/107850
* include/bits/erase_if.h (__erase_nodes_if): Use non-const
reference to the container.
* include/experimental/map (erase_if): Likewise.
* include/experimental/set (erase_if): Likewise.
* include/experimental/unordered_map (erase_if): Likewise.
* include/experimental/unordered_set (erase_if): Likewise.
* include/std/map (erase_if): Likewise.
* include/std/set (erase_if): Likewise.
* include/std/unordered_map (erase_if): Likewise.
* include/std/unordered_set (erase_if): Likewise.
* testsuite/23_containers/map/erasure.cc: Check with
const-incorrect predicate.
* testsuite/23_containers/set/erasure.cc: Likewise.
* testsuite/23_containers/unordered_map/erasure.cc: Likewise.
* testsuite/23_containers/unordered_set/erasure.cc: Likewise.
* testsuite/experimental/map/erasure.cc: Likewise.
* testsuite/experimental/set/erasure.cc: Likewise.
* testsuite/experimental/unordered_map/erasure.cc: Likewise.
* testsuite/experimental/unordered_set/erasure.cc: Likewise.
2023-04-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-28 Jonathan Wakely <jwakely@redhat.com>
* testsuite/26_numerics/random/subtract_with_carry_engine/cons/lwg3809.cc:
Replace non-ASCII character.
2023-04-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-02-28 Jonathan Wakely <jwakely@redhat.com>
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.
2023-04-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-03-31 Jonathan Wakely <jwakely@redhat.com>
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.
2023-04-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/107466
* include/bits/random.h (subtract_with_carry_engine): Use 32-bit
type for default seed. Use 0u as default argument for
subtract_with_carry_engine(result_type) constructor and
seed(result_type) member function.
* include/bits/random.tcc (subtract_with_carry_engine): Use
32-bit type for default seed and engine used for initial state.
* testsuite/26_numerics/random/subtract_with_carry_engine/cons/lwg3809.cc:
New test.
2023-04-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-04-27 Jonathan Wakely <jwakely@redhat.com>
* include/bits/mofunc_impl.h: Fix typo in doxygen comment.
2023-04-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-04-27 Jonathan Wakely <jwakely@redhat.com>
* 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.
2023-04-21 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103755
* include/bits/locale_classes.tcc (try_facet, use_facet): Do not
check array index or dynamic type when accessing required
specializations of std::ctype, std::num_get, or std::num_put.
* testsuite/22_locale/ctype/is/string/89728_neg.cc: Adjust
expected errors.
2023-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-29 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/107852
PR libstdc++/106199
PR libstdc++/100366
* include/bits/vector.tcc (vector::_M_fill_insert): Copy
_M_start and _M_finish members before allocating.
(vector::_M_default_append): Likewise.
(vector::_M_range_insert): Likewise.
2023-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-04-04 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/extensions.xml: Remove std::bad_exception from
example program.
* doc/html/manual/ext_demangling.html: Regenerate.
2023-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-04-05 Jonathan Wakely <jwakely@redhat.com>
* include/bits/regex.h (sub_match::swap): New function.
* testsuite/28_regex/sub_match/lwg3204.cc: New test.
2023-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
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.
2023-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-01-15 Jonathan Wakely <jwakely@redhat.com>
* testsuite/30_threads/jthread/jthread.cc: Remove -pthread from
dg-options.
2023-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-03-22 Jonathan Wakely <jwakely@redhat.com>
* 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.
2023-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-03-29 Jonathan Wakely <jwakely@redhat.com>
* include/std/expected (expected::value() &): Use const lvalue
for unex member passed to bad_expected_access constructor, as
per LWG 3843.
2023-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-02-02 Jonathan Wakely <jwakely@redhat.com>
* include/std/variant (variant::operator=): Implement resolution
of LWG 3585.
* testsuite/20_util/variant/lwg3585.cc: New test.
2023-04-12 Patrick Palka <ppalka@redhat.com>
Backported from master:
2023-04-12 Patrick Palka <ppalka@redhat.com>
* src/c++17/floating_from_chars.cc: Include <algorithm>,
<iterator>, <limits> and <cstdint>.
2023-03-30 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-03-29 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/109242
* include/std/optional (transform): Use std::remove_cv_t.
* testsuite/20_util/optional/monadic/pr109242.cc: New test.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-12-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/108118
* include/bits/shared_ptr_base.h (weak_ptr::operator=):
Implement as move-and-swap exactly as specified in the standard.
* testsuite/20_util/weak_ptr/cons/self_move.cc: New test.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-03 Jonathan Wakely <jwakely@redhat.com>
* include/bits/ranges_algobase.h (__detail::__copy_or_move):
Move output iterator.
* testsuite/25_algorithms/copy/constrained.cc: Check copying to
move-only output iterator.
2023-03-28 Bjﾃｶrn Schﾃ､pers <bjoern@hazardy.de>
Backported from master:
2023-01-14 Bjﾃｶrn Schﾃ､pers <bjoern@hazardy.de>
* include/std/stacktrace (stacktrace_entry::_S_demangle): Use
raw __name if __cxa_demangle could not demangle it.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-12-12 Jonathan Wakely <jwakely@redhat.com>
* include/std/stacktrace (operator<<): Only output to narrow
ostreams (LWG 3515).
* testsuite/19_diagnostics/stacktrace/synopsis.cc:
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-12-09 Jonathan Wakely <jwakely@redhat.com>
* include/bits/chrono.h (duration_cast, floor, round, abs, ceil)
(time_point_cast): Add [[nodiscard]] attribute and doxygen
comments.
(treat_as_floating_point): Add doxygen commen.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-12-09 Jonathan Wakely <jwakely@redhat.com>
* include/bits/chrono.h (duration, time_point): Change 'struct'
to 'class'.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-01-26 Jonathan Wakely <jwakely@redhat.com>
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.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-09-23 Jonathan Wakely <jwakely@redhat.com>
* include/std/bitset (bitset::_M_copy_to_string): Find set bits
instead of iterating over individual bits.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-09-15 Jonathan Wakely <jwakely@redhat.com>
* include/bits/shared_ptr_atomic.h (_GLIBCXX_TSAN_MUTEX_PRE_LOCK):
Replace with ...
(_GLIBCXX_TSAN_MUTEX_TRY_LOCK): ... this, add try_lock flag.
(_GLIBCXX_TSAN_MUTEX_TRY_LOCK_FAILED): New macro using
try_lock_failed flag
(_GLIBCXX_TSAN_MUTEX_POST_LOCK): Rename to ...
(_GLIBCXX_TSAN_MUTEX_LOCKED): ... this.
(_GLIBCXX_TSAN_MUTEX_PRE_UNLOCK): Remove invalid flag.
(_GLIBCXX_TSAN_MUTEX_POST_UNLOCK): Remove invalid flag.
(_Sp_atomic::_Atomic_count::lock): Use new macros.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-09-14 Jonathan Wakely <jwakely@redhat.com>
* include/bits/shared_ptr_atomic.h (_GLIBCXX_TSAN_MUTEX_DESTROY)
(_GLIBCXX_TSAN_MUTEX_PRE_LOCK, _GLIBCXX_TSAN_MUTEX_POST_LOCK)
(_GLIBCXX_TSAN_MUTEX_PRE_UNLOCK, _GLIBCXX_TSAN_MUTEX_POST_UNLOCK)
(_GLIBCXX_TSAN_MUTEX_PRE_SIGNAL, _GLIBCXX_TSAN_MUTEX_POST_SIGNAL):
Define macros for TSan annotation functions.
(_Sp_atomic::_Atomic_count): Add annotations.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-17 Jonathan Wakely <jwakely@redhat.com>
* include/std/memory_resource (new_delete_resource): Add
nodiscard, returns_nonnull and const attributes.
(null_memory_resource): Likewise.
(set_default_resource, get_default_resource): Add returns_nonnull
attribute.
(memory_resource::is_equal): Add nodiscard attribute.
(operator==, operator!=): Likewise.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-09-14 Jonathan Wakely <jwakely@redhat.com>
* include/std/future
(_State_baseV2::__setter(exception_ptr&, promise&)): Add
assertion for LWG 2276 precondition.
* testsuite/30_threads/promise/members/set_exception_neg.cc:
New test.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-09-08 Jonathan Wakely <jwakely@redhat.com>
* include/c_global/cstddef (byte): Add always_inline attribute
to all operator overloads.
(to_integer): Add always_inline attribute.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-09-08 Jonathan Wakely <jwakely@redhat.com>
* include/std/system_error (__adl_only::make_error_code): Add
deleted function.
(__adl_only::make_error_condition): Likewise.
(error_code::error_code(ErrorCodeEnum)): Add using-declaration
for deleted function.
(error_condition::error_condition(ErrorConditionEnum)):
Likewise.
* testsuite/19_diagnostics/error_code/cons/lwg3629.cc: New test.
* testsuite/19_diagnostics/error_condition/cons/lwg3629.cc: New test.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-17 Jonathan Wakely <jwakely@redhat.com>
* include/bits/ios_base.h (io_category): Add const and nodiscard
attributes.
(make_error_code, make_error_condition): Add nodiscard.
* include/std/future (future_category): Add const and nodiscard.
(make_error_code, make_error_condition): Add nodiscard.
* include/std/system_error (generic_category system_category):
Add nodiscard. Replace _GLIBCXX_CONST with C++11 attribute.
(error_code::value, error_code::category, error_code::operator bool)
(error_condition::value, error_condition::category)
(error_condition::operator bool, make_error_code)
(make_error_condition, operator==, operator!=, operator<=>): Add
nodiscard.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-13 Jonathan Wakely <jwakely@redhat.com>
* include/bits/std_thread.h (thread, thread::id): Improve
doxygen docs.
* include/std/future: Likewise.
* include/std/thread (jthread): Likewise.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-13 Jonathan Wakely <jwakely@redhat.com>
* include/std/system_error: Improve doxygen comments.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-02-16 Jonathan Wakely <jwakely@redhat.com>
* include/ext/throw_allocator.h: Use reserved names for
parameters.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-25 Jonathan Wakely <jwakely@redhat.com>
* acinclude.m4 (GLIBCXX_CHECK_UCHAR_H): Don't use AC_MSG_RESULT
unless the AC_MSG_CHECKING happened.
* configure: Regenerate.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-01-12 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/abi.xml: Add latest library versions.
* doc/html/manual/abi.html: Regenerate.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
* 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 <jwakely@redhat.com>
Backported from master:
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
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 <jwakely@redhat.com>
Backported from master:
2023-03-01 Jonathan Wakely <jwakely@redhat.com>
* include/bits/cow_string.h: Fix typo in comment.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-02-16 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/optional: Fix header name in comment.
2023-03-28 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-01-16 Jonathan Wakely <jwakely@redhat.com>
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.
2023-03-21 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-03-21 Matthias Kretz <m.kretz@gsi.de>
* include/experimental/bits/simd_x86.h
(_SimdImplX86::_S_divides): Replace test for __GCC_IEC_559 == 0
with __RECIPROCAL_MATH__.
2023-03-21 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-03-21 Matthias Kretz <m.kretz@gsi.de>
* 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 <m.kretz@gsi.de>
Backported from master:
2023-03-21 Matthias Kretz <m.kretz@gsi.de>
* testsuite/experimental/simd/tests/operators.cc: Clang doesn't
define __GCC_IEC_559. Use __STDC_IEC_559__ instead.
2023-03-20 Franﾃｧois Dumont <fdumont@gcc.gnu.org>
Backported from master:
2022-11-16 Franﾃｧois Dumont <fdumont@gcc.gnu.org>
* python/libstdcxx/v6/printers.py (FilteringTypePrinter): Rename 'match' field
'template'. Add self.targ1 to specify the first template parameter of the instantiation
to match.
(add_one_type_printer): Add targ1 optional parameter, default to None.
Use gdb.types.get_basic_type to compare the type to recognize and the type
returned from the typedef lookup.
(register_type_printers): Adapt calls to add_one_type_printers.
2023-03-20 Franﾃｧois Dumont <fdumont@gcc.gnu.org>
Backported from master:
2022-10-03 Franﾃｧois Dumont <fdumont@gcc.gnu.org>
* python/libstdcxx/v6/printers.py (Printer.add_version): Do not add version
namespace for __cxx11 symbols.
(add_one_template_type_printer): Likewise.
(add_one_type_printer): Likewise.
(FilteringTypePrinter._recognizer.recognize): Add a workaround for std::string & al
ambiguous typedef matching both std:: and std::__cxx11:: symbols.
* testsuite/libstdc++-prettyprinters/cxx17.cc: Remove obsolete
\#define _GLIBCXX_USE_CXX11_ABI 0.
* testsuite/libstdc++-prettyprinters/simple.cc: Likewise. Adapt test to accept
std::__cxx11::list.
* testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
* testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
* testsuite/libstdc++-prettyprinters/80276.cc: Likewise and remove xfail for c++20
and debug mode.
* testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
2023-03-20 Franﾃｧois Dumont <fdumont@gcc.gnu.org>
Backported from master:
2022-09-22 Franﾃｧois Dumont <fdumont@gcc.gnu.org>
* python/libstdcxx/v6/printers.py: Remove ptinter registration for non-existing
types std::__debug::unique_ptr, std::__debug::stack, std::__debug::queue,
std::__debug::priority_queue.
2023-03-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-03-10 Jonathan Wakely <jwakely@redhat.com>
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().
2023-03-20 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/109182
* include/std/expected (expected<void>::expected(in_place_t)):
Remove template-head.
2023-03-20 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/109165
* include/std/coroutine (hash<>::operator()): Add const.
* testsuite/18_support/coroutines/hash.cc: New test.
2023-03-10 Thomas W Rodgers <rodgert@twrodgers.com>
Backported from master:
2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
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.
2023-02-23 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-02-23 Matthias Kretz <m.kretz@gsi.de>
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.
2023-02-23 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-02-23 Matthias Kretz <m.kretz@gsi.de>
* 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 <m.kretz@gsi.de>
Backported from master:
2023-02-23 Matthias Kretz <m.kretz@gsi.de>
* 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 <m.kretz@gsi.de>
Backported from master:
2023-02-20 Matthias Kretz <m.kretz@gsi.de>
* include/experimental/bits/simd.h (__extract_part, split):
Use reserved name for template parameter.
2023-02-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-08-31 Jonathan Wakely <jwakely@redhat.com>
* include/bits/refwrap.h (reference_wrapper::operator()): Add
noexcept-specifier and use __invoke_result instead of result_of.
* testsuite/20_util/reference_wrapper/invoke-noexcept.cc: New test.
2023-02-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-02-02 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/108636
* 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.
2023-02-16 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-02-16 Matthias Kretz <m.kretz@gsi.de>
* 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 <m.kretz@gsi.de>
Backported from master:
2023-02-16 Matthias Kretz <m.kretz@gsi.de>
* 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 <m.kretz@gsi.de>
Backported from master:
2023-02-16 Matthias Kretz <m.kretz@gsi.de>
* testsuite/experimental/simd/tests/bits/verify.h
(verify::verify): Use %zx for size_t in format string.
2023-02-16 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-02-16 Matthias Kretz <m.kretz@gsi.de>
* testsuite/experimental/simd/README.md: Document the timeout
and timeout-factor directives. Minor typo fixed.
2023-02-16 Matthias Kretz <m.kretz@gsi.de>
Backported from master:
2023-02-16 Matthias Kretz <m.kretz@gsi.de>
* 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.
2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
Backported from master:
2023-02-14 Thomas W Rodgers <rodgert@twrodgers.com>
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.
2023-02-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-11-24 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/107468
* src/c++17/fast_float/fast_float.h: Partial merge from fast_float
2ef9abbcf6a11958b6fa685a89d0150022e82e78 commit.
2023-02-10 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2022-11-07 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/107468
* src/c++17/fast_float/fast_float.h: Partial merge from fast_float
662497742fea7055f0e0ee27e5a7ddc382c2c38e commit.
* testsuite/20_util/from_chars/pr107468.cc: New test.
2023-02-02 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-02-01 Jonathan Wakely <jwakely@redhat.com>
* 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.
2023-02-02 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-02-01 Jonathan Wakely <jwakely@redhat.com>
* 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.
2023-02-02 Patrick Palka <ppalka@redhat.com>
Backported from master:
2022-11-06 Patrick Palka <ppalka@redhat.com>
* include/bits/atomic_wait.h (_detail::__platform_wait_alignment):
Declare inline. Remove redundant static specifier.
(__detail::__atomic_spin_count_relax): Declare inline.
(__detail::__atomic_spin_count): Likewise.
* include/bits/regex_automaton.h (__detail::_S_invalid_state_id):
Declare inline for C++17. Declare constexpr. Remove
redundant const and static specifiers.
* include/bits/regex_error.h (regex_constants::error_collate):
Declare inline for C++17 as per P0607R0.
(regex_constants::error_ctype): Likewise.
(regex_constants::error_escape): Likewise.
(regex_constants::error_backref): Likewise.
(regex_constants::error_brack): Likewise.
(regex_constants::error_paren): Likewise.
(regex_constants::error_brace): Likewise.
(regex_constants::error_badbrace): Likewise.
(regex_constants::error_range): Likewise.
(regex_constants::error_space): Likewise.
(regex_constants::error_badrepeat): Likewise.
(regex_constants::error_complexity): Likewise.
(regex_constants::error_stack): Likewise.
* include/ext/concurrence.h (__gnu_cxx::__default_lock_policy):
Likewise. Remove redundant static specifier.
* include/pstl/execution_defs.h (execution::seq): Declare inline
for C++17 as per P0607R0.
(execution::par): Likewise.
(execution::par_unseq): Likewise.
(execution::unseq): Likewise.
2023-01-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-12-22 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105730
* src/c++11/compatibility-condvar.cc (__nothrow_wait_cv::wait):
Access private data member of base class and call its wait
member.
2023-01-16 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-08-04 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/106183
* include/bits/atomic_wait.h (__waiter_pool_base::_M_notify):
Move increment of _M_ver here.
[!_GLIBCXX_HAVE_PLATFORM_WAIT]: Lock mutex around increment.
Use relaxed memory order and always notify all waiters.
(__waiter_base::_M_do_wait) [!_GLIBCXX_HAVE_PLATFORM_WAIT]:
Check value again after locking mutex.
(__waiter_base::_M_notify): Remove increment of _M_ver.
2023-01-05 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2023-01-05 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/108265
* include/std/chrono (hh_mm_ss): Do not use chrono::abs if
duration rep is unsigned. Remove incorrect noexcept-specifier.
* testsuite/std/time/hh_mm_ss/1.cc: Check unsigned rep. Check
floating-point representations. Check default construction.
2022-12-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/107814
* testsuite/experimental/filesystem/iterators/error_reporting.cc:
Use a static buffer with space after it.
2022-12-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-12-16 Jonathan Wakely <jwakely@redhat.com>
* include/std/expected (expected::_M_swap_val_unex): Guard the
correct object.
(expected::swap): Move is_swappable
requirement from static_assert to constraint.
(swap): Likewise.
(operator==): Remove noexcept-specifier.
* testsuite/20_util/expected/swap.cc: Check swapping of
types without non-throwing move constructor. Check constraints
on swap.
* testsuite/20_util/expected/unexpected.cc: Check constraints on
swap.
* testsuite/20_util/expected/equality.cc: New test.
2022-12-14 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-12-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/108097
* include/std/stacktrace (basic_stracktrace::_Impl): Do not
multiply N by sizeof(value_type) when allocating.
2022-11-24 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-09-15 Jonathan Wakely <jwakely@redhat.com>
* include/std/memory: Do not include <bits/stl_algobase.h>.
2022-11-24 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-11 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/tuple/swap.cc (MoveOnly::operator==): Add
const qualifier.
* testsuite/26_numerics/valarray/87641.cc (X::operator==):
Likewise.
2022-11-24 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-02 Jonathan Wakely <jwakely@redhat.com>
* include/std/expected (expected::_M_invalid): Remove.
2022-11-24 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-21 Jonathan Wakely <jwakely@redhat.com>
* include/bits/chrono.h (duration): Check preconditions on
template arguments before using them.
2022-11-24 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-10-28 Jonathan Wakely <jwakely@redhat.com>
* include/bits/fs_path.h (path::filename()): Fix dangling
reference.
2022-11-24 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-09-14 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/intro.xml: Document LWG 1203.
* doc/html/*: Regenerate.
2022-11-24 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-09-07 Jonathan Wakely <jwakely@redhat.com>
* include/std/barrier: Add missing runtime exception.
2022-11-24 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-08-04 Jonathan Wakely <jwakely@redhat.com>
* include/bits/fs_dir.h (directory_iterator): Add comparison
with std::default_sentinel_t. Remove redundant operator!= for
C++20.
* (recursive_directory_iterator): Likewise.
* include/bits/iterator_concepts.h [!__cpp_lib_concepts]
(default_sentinel_t, default_sentinel): Define even if concepts
are not supported.
* include/bits/regex.h (regex_iterator): Add comparison with
std::default_sentinel_t. Remove redundant operator!= for C++20.
(regex_token_iterator): Likewise.
(regex_token_iterator::_M_end_of_seq()): Add noexcept.
* testsuite/27_io/filesystem/iterators/lwg3719.cc: New test.
* testsuite/28_regex/iterators/regex_iterator/lwg3719.cc:
New test.
* testsuite/28_regex/iterators/regex_token_iterator/lwg3719.cc:
New test.
2022-11-24 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-09-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91456
* include/std/type_traits (__is_nothrow_invocable): Remove.
(__is_invocable_impl::__nothrow_type): New member type which
checks if the conversion can throw.
(__is_nt_invocable_impl): Replace class template with alias
template to __is_nt_invocable_impl::__nothrow_type.
* testsuite/20_util/is_nothrow_invocable/91456.cc: New test.
* testsuite/20_util/is_nothrow_convertible/value.cc: Remove
macro used by value_ext.cc test.
* testsuite/20_util/is_nothrow_convertible/value_ext.cc: Remove
test for non-standard __is_nothrow_invocable trait.
2022-11-22 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/106201
* include/bits/fs_path.h (filesystem::swap(path&, path&)):
Replace with abbreviated function template.
* include/experimental/bits/fs_path.h (filesystem::swap):
Likewise.
* testsuite/27_io/filesystem/iterators/106201.cc: New test.
* testsuite/experimental/filesystem/iterators/106201.cc: New test.
2022-11-22 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-22 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/107801
* src/c++17/memory_resource.cc (pool_sizes): Disable large pools
for targets with 16-bit int.
2022-11-14 Jonathan Wakely <jwakely@redhat.com>
* include/bits/mofunc_impl.h (move_only_function::__param_t):
Use __is_scalar instead of is_trivially_copyable.
* testsuite/20_util/move_only_function/call.cc: Check parameters
involving incomplete types.
2022-11-14 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/95048
* include/bits/fs_path.h (path::_Codecvt): New class template
that selects the kind of code conversion done.
(path::_Codecvt<wchar_t>): Select based on sizeof(wchar_t).
(_GLIBCXX_CONV_FROM_UTF8): New macro to allow the same code to
be used for Windows and POSIX.
(path::_S_convert(const EcharT*, const EcharT*)): Simplify by
using _Codecvt and _GLIBCXX_CONV_FROM_UTF8 abstractions.
(path::_S_str_convert(basic_string_view<value_type>, const A&)):
Simplify nested conditions.
* include/experimental/bits/fs_path.h (path::_Cvt): Define
nested typedef controlling type of code conversion done.
(path::_Cvt::_S_wconvert): Use new typedef.
(path::string(const A&)): Likewise.
* testsuite/27_io/filesystem/path/construct/95048.cc: New test.
* testsuite/experimental/filesystem/path/construct/95048.cc: New
test.
2022-11-14 Nathaniel Shead <nathanieloshead@gmail.com>
Backported from master:
2022-11-11 Nathaniel Shead <nathanieloshead@gmail.com>
PR libstdc++/103295
* include/bits/basic_string.h (_M_use_local_data): Set active
member to _M_local_buf.
2022-11-08 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-11-08 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/authors.xml: Remove empty author element.
* doc/xml/manual/spine.xml: Likewise.
* doc/html/manual/index.html: Regenerate.
2022-10-19 Alexandre Oliva <oliva@adacore.com>
Backported from master:
2022-06-22 Alexandre Oliva <oliva@adacore.com>
* libsupc++/eh_globals.cc [!_GLIBCXX_HAVE_TLS]
(__eh_globals_init::~__eh_globals_init): Clear _S_init first.
2022-09-29 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-09-28 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/evolution.xml: Document std::bind API
changes.
* doc/xml/manual/intro.xml: Document LWG 2487 status.
* doc/xml/manual/using.xml: Clarify default value of
_GLIBCXX_USE_DEPRECATED.
* doc/html/*: Regenerate.
* include/std/functional (_Bind::operator()(Args&&...) volatile)
(_Bind::operator()(Args&&...) const volatile)
(_Bind_result::operator()(Args&&...) volatile)
(_Bind_result::operator()(Args&&...) const volatile): Replace
with deleted overload for C++20 and later.
* testsuite/20_util/bind/cv_quals.cc: Check for deprecated
warnings in C++17.
* testsuite/20_util/bind/cv_quals_2.cc: Likewise, and check for
ill-formed in C++20.
2022-09-16 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/abi.xml: Document GLIBCXX_3.4.30 version.
* doc/html/manual/abi.html: Regenerate.
2022-09-12 Patrick Palka <ppalka@redhat.com>
Backported from master:
2022-09-12 Patrick Palka <ppalka@redhat.com>
PR libstdc++/106320
* testsuite/std/ranges/adaptors/join.cc (test13): New test.
2022-09-07 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-08-22 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/106695
* include/bits/std_thread.h (thread::_State_impl): Forward
individual arguments to _Invoker constructor.
(thread::_Invoker): Add constructor. Delete copies.
* include/std/future (__future_base::_Deferred_state): Forward
individual arguments to _Invoker constructor.
(__future_base::_Async_state_impl): Likewise.
* testsuite/30_threads/async/106695.cc: New test.
* testsuite/30_threads/thread/106695.cc: New test.
2022-09-07 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-08-22 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/106607
* include/bits/regex_compiler.tcc (_Compiler::_M_cur_int_value):
Use built-ins to check for integer overflow in back-reference
number.
* testsuite/28_regex/basic_regex/106607.cc: New test.
2022-08-24 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-08-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/106589
* include/std/variant (__do_visit): Handle is_void<R> for zero
argument case.
* testsuite/20_util/variant/visit_r.cc: Check std::visit<void>(v).
2022-08-23 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-08-22 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105678
* doc/xml/manual/using.xml: Document -lstdc++_libbacktrace
requirement for using std::stacktrace. Also adjust -frtti and
-fexceptions to document non-default (i.e. negative) forms.
* doc/html/*: Regenerate.
2022-08-19 Release Manager
* GCC 12.2.0 released.
2022-08-05 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-08-04 Jonathan Wakely <jwakely@redhat.com>
* include/std/string_view (basic_string_view(Range&&)): Add
explicit as per P2499R0.
* testsuite/21_strings/basic_string_view/cons/char/range_c++20.cc:
Adjust implicit conversions. Check implicit conversions fail.
* testsuite/21_strings/basic_string_view/cons/wchar_t/range_c++20.cc:
Likewise.
2022-08-05 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-08-04 Jonathan Wakely <jwakely@redhat.com>
* include/std/expected (unexpected::_M_val): Rename to _M_unex.
(bad_expected_access::_M_val): Likewise.
2022-08-05 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-08-04 Jonathan Wakely <jwakely@redhat.com>
* include/bits/ios_base.h (__cpp_lib_ios_noreplace): Update
value to 202207L.
* include/std/version (__cpp_lib_ios_noreplace): Likewise.
* testsuite/27_io/basic_ofstream/open/char/noreplace.cc: Check
for new value.
* testsuite/27_io/basic_ofstream/open/wchar_t/noreplace.cc:
Likewise.
2022-08-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-06-28 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/fs_dir.cc (_Dir::dir_and_pathname):: Replace with
current() returning _At_path.
(_Dir::_Dir, _Dir::open_subdir, _Dir::do_unlink): Adjust.
* src/filesystem/dir-common.h (_Dir_base::_At_path): New class.
(_Dir_base::_Dir_Base, _Dir_base::openat): Use _At_path.
* src/filesystem/dir.cc (_Dir::dir_and_pathname): Replace with
current() returning _At_path.
(_Dir::_Dir, _Dir::open_subdir): Adjust.
2022-08-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-07-29 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104443
* include/bits/stl_iterator.h (common_iterator::operator->):
Change return type to just auto.
2022-08-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-07-12 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/106248
* include/std/istream [C++17] (operator>>(istream&, char*)):
Set eofbit if we stopped extracting at EOF.
* testsuite/27_io/basic_istream/extractors_character/char/pr106248.cc:
New test.
* testsuite/27_io/basic_istream/extractors_character/wchar_t/pr106248.cc:
New test.
2022-08-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-07-01 Jonathan Wakely <jwakely@redhat.com>
* include/bits/fs_ops.h: Add nodiscard to all pure functions.
* include/experimental/bits/fs_ops.h: Likewise.
* testsuite/27_io/filesystem/operations/all.cc: Do not discard
results of absolute and canonical.
* testsuite/27_io/filesystem/operations/absolute.cc: Cast
discarded result to void.
* testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
* testsuite/27_io/filesystem/operations/exists.cc: Likewise.
* testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
* testsuite/27_io/filesystem/operations/read_symlink.cc:
Likewise.
* testsuite/27_io/filesystem/operations/status.cc: Likewise.
* testsuite/27_io/filesystem/operations/symlink_status.cc:
Likewise.
* testsuite/27_io/filesystem/operations/temp_directory_path.cc:
Likewise.
* testsuite/experimental/filesystem/operations/canonical.cc:
Likewise.
* testsuite/experimental/filesystem/operations/exists.cc:
Likewise.
* testsuite/experimental/filesystem/operations/is_empty.cc:
Likewise.
* testsuite/experimental/filesystem/operations/read_symlink.cc:
Likewise.
* testsuite/experimental/filesystem/operations/temp_directory_path.cc:
Likewise.
2022-08-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-06-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105995
* include/bits/basic_string.h (_M_use_local_data): Initialize
the entire SSO buffer.
* testsuite/21_strings/basic_string/cons/char/105995.cc: New test.
2022-08-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-06-14 Jonathan Wakely <jwakely@redhat.com>
* include/bits/new_allocator.h: Fix indentation.
* include/ext/malloc_allocator.h: Likewise.
2022-08-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-06-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105957
* include/bits/allocator.h (allocator::allocate): Check for
overflow in constexpr allocation.
* testsuite/20_util/allocator/105975.cc: New test.
2022-08-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-06-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105844
* include/experimental/numeric (experimental::gcd): Simplify
assertions. Use __abs_r instead of __absu.
(experimental::lcm): Likewise. Remove use of __detail::__lcm so
overflow can be detected.
* include/std/numeric (__detail::__absu): Rename to __abs_r and
change to allow signed result type, so overflow can be detected.
(__detail::__lcm): Remove.
(gcd): Simplify assertions. Use __abs_r instead of __absu.
(lcm): Likewise. Remove use of __detail::__lcm so overflow can
be detected.
* testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error lines.
* testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
* testsuite/26_numerics/gcd/105844.cc: New test.
* testsuite/26_numerics/lcm/105844.cc: New test.
2022-07-26 Thomas Rodgers <trodgers@redhat.com>
Backported from master:
2022-07-26 Thomas Rodgers <trodgers@redhat.com>
* include/bits/atomic_wait.h (__atomic_spin): Merge spin loops.
2022-07-22 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-06-28 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/fs_dir.cc (_Dir::_Dir) [!_GLIBCXX_HAVE_OPENAT]:
Always store pathname if we don't have openat or unlinkat,
because the full path is needed to open sub-directories and
remove entries.
2022-07-22 Alexandre Oliva <oliva@adacore.com>
Backported from master:
2022-06-27 Alexandre Oliva <oliva@adacore.com>
* src/c++17/fs_dir.cc (dir_and_pathname): Use dirfd if
_GLIBCXX_HAVE_OPENAT.
2022-07-22 Alexandre Oliva <oliva@adacore.com>
Backported from master:
2022-06-24 Alexandre Oliva <oliva@adacore.com>
* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for
openat.
* configure, config.h.in: Rebuilt.
* src/filesystem/dir-common.h (openat): Use ::openat if
_GLIBCXX_HAVE_OPENAT.
* src/filesystem/dir.cc (dir_and_pathname): Use dirfd if
_GLIBCXX_HAVE_OPENAT.
2022-07-22 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-06 Jonathan Wakely <jwakely@redhat.com>
* include/std/stacktrace: Do not include <cxxabi.h>.
(__cxa_demangle): Declare.
2022-07-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-07-20 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/100823
* include/bits/stl_iterator.h (common_iterator): Define move
constructor and move assignment operator.
(common_iterator::_M_assign): New function implementing
assignment.
(common_iterator::operator=): Use _M_assign.
(common_iterator::_S_valueless): New constant.
* testsuite/24_iterators/common_iterator/100823.cc: New test.
2022-07-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-07-20 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_iterator.h (common_iterator): Fix incorrect
uses of is_nothrow_assignable_v. Fix inconsistent constraints on
friend declaration. Do not move argument in copy constructor.
* testsuite/24_iterators/common_iterator/1.cc: Check for
noexcept constructibnle/assignable.
2022-07-21 Nathan Sidwell <nathan@acm.org>
Backported from master:
2022-05-26 Nathan Sidwell <nathan@acm.org>
* include/bits/hashtable.h: Include required headers.
* include/bits/hashtable_policy.h: Likewise.
* include/bits/stl_heap.h: Likewise.
* include/bits/stl_iterator_base_funcs.h: Likewise.
2022-07-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-06-30 Jonathan Wakely <jwakely@redhat.com>
* include/bits/utility.h: Fix comment typos.
2022-07-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-06-28 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/from_chars/4.cc: Only use log2 if C99 math
functions are available.
2022-07-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-06-23 Jonathan Wakely <jwakely@redhat.com>
* testsuite/26_numerics/random/random_device/entropy.cc: Use
numeric_limits<unsigned>::digits.
2022-07-21 Marco Falke <falke.marco@gmail.com>
Backported from master:
2022-07-19 Marco Falke <falke.marco@gmail.com>
* include/std/charconv (__from_chars_alnum_to_val): Replace
implicit conversion from int to unsigned char with explicit
cast.
2022-07-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-06-30 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/88881
* src/filesystem/ops.cc (has_trailing_slash): New helper
function.
(fs::status): Strip trailing slashes.
(fs::symlink_status): Likewise.
* testsuite/experimental/filesystem/operations/temp_directory_path.cc:
Clean the environment before each test and use TMP instead of
TMPDIR so the test passes on Windows.
2022-07-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-06-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105880
* libsupc++/eh_globals.cc (eh_globals): Ensure constant init and
prevent destruction during termination.
(__eh_globals_init::_M_init): Replace with static member _S_init.
(__cxxabiv1::__cxa_get_globals_fast): Update.
(__cxxabiv1::__cxa_get_globals): Likewise.
2022-07-07 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-07-01 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/106162
* include/Makefile.am (largefile-config.h): Add
stamp-${host_alias} prerequisite.
* include/Makefile.in: Regenerate.
2022-07-07 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-06-23 Jonathan Wakely <jwakely@redhat.com>
* testsuite/27_io/filesystem/iterators/error_reporting.cc: Use
rmdir to remove directories.
* testsuite/experimental/filesystem/iterators/error_reporting.cc:
Likewise.
2022-06-14 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-06-13 Jonathan Wakely <jwakely@redhat.com>
* include/std/atomic (__atomic_val_t): Use __type_identity_t
instead of atomic<T>::value_type, as per LWG 3220.
* testsuite/29_atomics/atomic/lwg3220.cc: New test.
2022-06-14 Mark Mentovai <mark@mentovai.com>
Backported from master:
2022-06-13 Mark Mentovai <mark@mentovai.com>
* include/experimental/bits/fs_path.h (__detail::__null_terminated):
Rename to __nul_terminated to avoid colliding with a macro in
Apple's SDK.
2022-06-08 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-27 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105671
* include/std/sstream (basic_stringbuf::_M_high_mark): Add
always_inline attribute.
2022-06-08 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-26 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105681
* include/ext/pb_ds/detail/resize_policy/hash_prime_size_policy_imp.hpp:
Limit ga_sizes array to values that fit in size_t.
* include/ext/random [__SIZE_WIDTH < 32] (sfmt86243)
(sfmt86243_64, sfmt132049, sfmt132049_64, sfmt216091)
(sfmt216091_64): Do not declare.
2022-06-08 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-19 Jonathan Wakely <jwakely@redhat.com>
* include/bits/basic_string.h: Do not include <ext/atomicity.h>
here.
* include/bits/cow_string.h: Include it here.
2022-05-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-26 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py (StdErrorCodePrinter): Make
lookup for ios_errc and future_errc check versioned namespace.
(StdAtomicPrinter): Strip versioned namespace from typename.
2022-05-27 Franﾃｧois Dumont <fdumont@gcc.gnu.org>
Backported from master:
2022-05-26 Franﾃｧois Dumont <fdumont@gcc.gnu.org>
* python/libstdcxx/v6/printers.py (StdSpanPrinter.__init__):
Strip typename from version namespace.
2022-05-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-26 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py (SharedPointerPrinter): Strip
versioned namespace from the template argument too.
2022-05-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-26 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_iterator.h (counted_iterator::operator++(int)):
Add 'constexpr' as per LWG 3643.
* testsuite/24_iterators/counted_iterator/lwg3643.cc: New test.
2022-05-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-19 Jonathan Wakely <jwakely@redhat.com>
* include/std/memory_resource (polymorphic_allocator): Add
non-template equality operator, as proposed for LWG 3683.
* testsuite/20_util/polymorphic_allocator/lwg3683.cc: New test.
2022-05-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-20 Jonathan Wakely <jwakely@redhat.com>
* testsuite/26_numerics/random/bernoulli_distribution/operators/values.cc:
Run fewer iterations for simulator targets.
* testsuite/26_numerics/random/binomial_distribution/operators/values.cc:
Likewise.
* testsuite/26_numerics/random/discrete_distribution/operators/values.cc:
Likewise.
* testsuite/26_numerics/random/geometric_distribution/operators/values.cc:
Likewise.
* testsuite/26_numerics/random/negative_binomial_distribution/operators/values.cc:
Likewise.
* testsuite/26_numerics/random/poisson_distribution/operators/values.cc:
Likewise.
* testsuite/26_numerics/random/uniform_int_distribution/operators/values.cc:
Likewise.
2022-05-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-17 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/expected/synopsis.cc: Skip for versioned
namespace.
* testsuite/27_io/headers/iosfwd/synopsis.cc: Likewise.
2022-05-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-13 Jonathan Wakely <jwakely@redhat.com>
* include/bits/mofunc_impl.h: Fix doxygen command.
2022-05-27 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-13 Jonathan Wakely <jwakely@redhat.com>
* include/std/future (launch): Make operators noexcept.
2022-05-16 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-16 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/prerequisites.xml: Fix attributes for external
hyperlink.
* doc/html/manual/setup.html: Regenerate.
2022-05-16 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-16 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2023.xml: Update with gcc-12 support.
* doc/html/*: Regenerate.
2022-05-16 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-16 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/intro.xml: Include new chapter.
* doc/xml/manual/status_cxx2020.xml: Tweak release numbers.
* doc/xml/manual/status_cxx2023.xml: New file.
* doc/html/*: Regenerate.
2022-05-16 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-16 Jonathan Wakely <jwakely@redhat.com>
* doc/html/manual/status.html: Regenerate.
* doc/xml/manual/status_cxx2020.xml: Fix supported version for
C++20 bit operations.
2022-05-13 Alexandre Oliva <oliva@adacore.com>
Backported from master:
2022-05-06 Alexandre Oliva <oliva@adacore.com>
* include/experimental/bits/simd.h [__ALTIVEC__]: Require VSX
for double, long long, and 64-bit long intrinsic types.
[__ALTIVEC__] (__intrinsic_type): Mention 128-bit in
preexisting long double diagnostic, adjust no-VSX double
diagnostic to cover 64-bit long double as well.
2022-05-10 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105284
* include/std/iosfwd: Add declarations for <spanstream> class
templates and typedefs.
* include/std/spanstream (basic_spanbuf, basic_ispanstream)
(basic_ospanstream, basic_spanstream): Remove default template
arguments.
* testsuite/27_io/headers/iosfwd/synopsis.cc: Add <spanstream>
declarations.
* testsuite/27_io/headers/iosfwd/types.cc: Check <spanstream>
default arguments.
2022-05-10 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105284
* include/std/iosfwd: Add declarations for <synstream> class
templates and typedefs.
* include/std/syncstream (basic_syncbuf, basic_osyncstream):
Remove default template arguments.
* testsuite/27_io/headers/iosfwd/synopsis.cc: New test.
* testsuite/27_io/headers/iosfwd/types.cc: New test.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-06 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104731
* testsuite/27_io/filesystem/iterators/error_reporting.cc:
Use a trailing char array as storage for dirent::d_name.
2022-05-06 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-06 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105502
* include/bits/random.tcc
(operator>>(basic_istream<C,T>&, normal_distribution<R>&)):
Update state when __state_avail is false.
* testsuite/26_numerics/random/normal_distribution/operators/serialize.cc:
Check that deserialized object equals serialized one.
2022-05-06 Patrick Palka <ppalka@redhat.com>
Backported from master:
2022-05-02 Patrick Palka <ppalka@redhat.com>
PR libstdc++/103911
* src/c++17/floating_from_chars.cc (find_end_of_float): Accept
two delimeters for the exponent part in the form of a possibly
NULL string of length two. Don't use std::tolower.
(pattern): Adjust calls to find_end_of_float accordingly.
2022-05-06 Alexandre Oliva <oliva@adacore.com>
Backported from master:
2022-05-03 Alexandre Oliva <oliva@adacore.com>
PR c++/105324
* testsuite/20_util/from_chars/pr105324.cc: Guard test body
with conditional for floating-point overloads of from_char.
2022-05-06 Release Manager
* GCC 12.1.0 released.
2022-05-02 Patrick Palka <ppalka@redhat.com>
Backported from master:
2022-05-02 Patrick Palka <ppalka@redhat.com>
PR libstdc++/105441
* src/c++17/floating_from_chars.cc (__floating_from_chars_hex):
Also accept 'P' as the start of the exponent.
* testsuite/20_util/from_chars/7.cc: Add corresponding testcase.
2022-04-29 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-04-29 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105417
* config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt:
Regenerate.
* src/c++11/compatibility-ldbl-alt128.cc [_GLIBCXX_USE_DUAL_ABI]:
Define __gnu_ieee128::num_get<C>::_M_extract_int[abi:cxx11]<I>
symbols as aliases for corresponding symbols without abi-tag.
2022-04-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* 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.
2022-04-28 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx1998.xml: Refer to GCC 12 not
mainline.
* 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_cxxtr1.xml: Likewise.
* doc/xml/manual/status_cxxtr24733.xml: Likewise.
* doc/html/manual/status.html: Regenerate.
2022-04-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/99290
* src/c++17/fs_ops.cc (fs::copy): Pass error_code to
directory_iterator constructor, and check on each iteration.
* src/filesystem/ops.cc (fs::copy): Likewise.
* testsuite/27_io/filesystem/operations/copy.cc: Check for
errors during recursion.
* testsuite/experimental/filesystem/operations/copy.cc:
Likewise.
2022-04-28 Franﾃｧois Dumont <fdumont@gcc.gnu.org>
* config/abi/pre/gnu-versioned-namespace.ver: Remove
std::random_device::* pattern.
2022-04-27 Jakub Jelinek <jakub@redhat.com>
* 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.
* config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
2022-04-27 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py (SharedPointerPrinter): Add
support for atomic<shared_ptr<T>> and atomic<weak_ptr<T>>.
(StdAtomicPrinter): New printer.
(build_libstdcxx_dictionary): Register new printer.
* testsuite/libstdc++-prettyprinters/cxx11.cc: Test std::atomic.
* testsuite/libstdc++-prettyprinters/cxx20.cc: Test atomic smart
pointers.
2022-04-26 Jonathan Wakely <jwakely@redhat.com>
* include/bits/shared_ptr_atomic.h (atomic<shared_ptr>): Add
constructor for constant initialization from nullptr_t.
* testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
Check for new constructor.
2022-04-26 Jonathan Wakely <jwakely@redhat.com>
* include/bits/fs_path.h (hash<filesystem::path>): Define.
* testsuite/27_io/filesystem/path/nonmember/hash_value.cc:
Check std::hash specialization.
2022-04-25 Jonathan Wakely <jwakely@redhat.com>
* include/bits/ptr_traits.h (__cpp_lib_constexpr_memory): Define
conditionally.
* include/bits/unique_ptr.h (__cpp_lib_constexpr_memory):
Define for C++23.
(default_delete, default_delete<T[]>, __uniq_ptr_impl)
(unique_ptr, unique_ptr<T[], D>): Add constexpr to all member
functions.
* include/std/version (__cpp_lib_constexpr_memory): Define new
value for C++23.
* testsuite/20_util/unique_ptr/assign/constexpr.cc: New test.
* testsuite/20_util/unique_ptr/comparison/constexpr.cc: New test.
* testsuite/20_util/unique_ptr/cons/constexpr_c++20.cc: New test.
* testsuite/20_util/unique_ptr/creation/constexpr.cc: New test.
* testsuite/20_util/unique_ptr/modifiers/constexpr.cc: New test.
* testsuite/20_util/unique_ptr/specialized_algorithms/constexpr.cc:
New test.
2022-04-25 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105375
* include/std/future (packaged_task): Add deduction guides.
* testsuite/30_threads/packaged_task/cons/deduction.cc: New test.
2022-04-25 Philipp Fent <fent@in.tum.de>
* python/libstdcxx/v6/printers.py (StdSpanPrinter._iterator):
Rename as iterator.
(StdInitializerListPrinter): Define new printer.
(build_libstdcxx_dictionary): Register new printer.
* testsuite/libstdc++-prettyprinters/cxx11.cc: Check printer for
initializer_list.
2022-04-22 Thomas W Rodgers <trodgers@redhat.com>
PR libstdc++/102994
* include/bits/atomic_base.h (atomic_flag::notify_one,
notify_all): Remove const qualification.
(__atomic_base::notify_one, notify_all): Likewise.
* include/std/atomic (atomic<bool>::notify_one, notify_all):
Likewise.
(atomic::notify_one, notify_all): Likewise.
(atomic<T*>::notify_one, notify_all): Likewise.
(atomic_notify_one, atomic_notify_all): Likewise.
* testsuite/29_atomics/atomic/wait_notify/102994.cc: Adjust test
to account for change in notify_one/notify_all signature.
2022-04-21 Patrick Palka <ppalka@redhat.com>
* include/std/charconv (__from_chars_alnum_to_val_table):
Simplify initialization of __lower/__upper_letters.
(__from_chars_alnum_to_val): Default the template parameter to
false.
* src/c++17/floating_from_chars.cc (starts_with_ci): Don't
assume the uppercase and lowercase letters are contiguous.
(__floating_from_chars_hex): Likewise.
2022-04-21 Patrick Palka <ppalka@redhat.com>
PR c++/105297
PR c++/105322
* include/std/charconv (__from_chars_alnum_to_val): Make
initializer for __table dependent in an artificial way.
2022-04-21 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105324
* src/c++17/floating_from_chars.cc (buffer_resource::do_allocate):
Remove assertion.
* testsuite/20_util/from_chars/pr105324.cc: New test.
2022-04-20 Jonathan Wakely <jwakely@redhat.com>
* testsuite/21_strings/basic_string_view/operations/copy/char/constexpr.cc:
Check correct feature test macro.
2022-04-20 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/93602
* doc/xml/manual/prerequisites.xml: Document libiconv
workarounds.
* doc/html/manual/setup.html: Regenerate.
* src/Makefile.am (CXXLINK): Add $(LTLIBICONV).
* src/Makefile.in: Regenerate.
2022-04-19 Patrick Palka <ppalka@redhat.com>
* src/c++17/floating_to_chars.cc (_GLIBCXX_ASSERTIONS): Don't
define.
(__floating_to_chars_shortest): Add __builtin_unreachable calls to
squelch false-positive -Wmaybe-uninitialized and -Wreturn-type
warnings.
(__floating_to_chars_precision): Likewise.
2022-04-19 Philipp Fent <fent@in.tum.de>
* python/libstdcxx/v6/printers.py (StdSpanPrinter): Define.
* testsuite/libstdc++-prettyprinters/cxx20.cc: Test it.
2022-04-19 Jonathan Wakely <jwakely@redhat.com>
* acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Fix shell operators.
* configure: Regenerate.
2022-04-18 Patrick Palka <ppalka@redhat.com>
* include/std/charconv (__from_chars_pow2_base): Manually
unroll the first iteration of the main loop and simplify
accordingly.
2022-04-15 Patrick Palka <ppalka@redhat.com>
PR libstdc++/104858
* include/bits/ranges_algo.h (__minmax_fn): Avoid dereferencing
__first twice at the start.
* testsuite/25_algorithms/minmax/constrained.cc (test06): New test.
2022-04-15 Patrick Palka <ppalka@redhat.com>
* include/std/charconv (__from_chars_alnum_to_val_table): Define.
(__from_chars_alnum_to_val): Define.
(__from_chars_binary): Rename to ...
(__from_chars_pow2_base): ... this. Generalize to handle any
power-of-two base using __from_chars_alnum_to_val.
(__from_chars_digit): Optimize digit recognition to a single
test instead of two tests. Use [[__unlikely___]] attribute.
(__from_chars_alpha_to_num): Remove.
(__from_chars_alnum): Use __from_chars_alnum_to_val. Use a
nested loop for the overflow case. Maintain a lower bound
on the number of available bits in the result and use it to
omit the overflow check.
(from_chars): Adjust appropriately.
* src/c++17/floating_from_chars.cc (ascii_to_hexit): Remove.
(__floating_from_chars_hex): Use __from_chars_alnum_to_val
to recognize a hex digit instead.
2022-04-14 Palmer Dabbelt <palmer@rivosinc.com>
* acinclude.m4 (GLIBCXX_ENABLE_LOCK_POLICY): Force auto to mutex
for RISC-V.
* configure: Regenerate.
2022-04-14 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/intro.xml: Fix comment.
2022-04-14 Jonathan Wakely <jwakely@redhat.com>
* include/precompiled/stdc++.h: Include <stacktrace> and
<stdatomic.h> for C++23.
2022-04-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105269
* include/bits/stl_vector.h (__cpp_lib_constexpr_vector):
Define.
* include/c_compatibility/stdatomic.h (__cpp_lib_stdatomic_h):
Define.
* include/std/optional (__cpp_lib_optional): Define new value
for C++23.
(__cpp_lib_monadic_optional): Remove.
* include/std/version (__cpp_lib_constexpr_vector): Define.
(__cpp_lib_stdatomic_h): Define.
(__cpp_lib_optional): Define new value for C++23.
(__cpp_lib_monadic_optional): Remove.
* testsuite/20_util/optional/monadic/and_then.cc: Adjust.
* testsuite/20_util/optional/requirements.cc: Adjust for C++23.
* testsuite/20_util/optional/version.cc: Likewise.
* testsuite/23_containers/vector/cons/constexpr.cc: Check
feature test macro.
* testsuite/29_atomics/headers/stdatomic.h/c_compat.cc:
Likewise.
* testsuite/20_util/optional/monadic/version.cc: Removed.
* testsuite/23_containers/vector/requirements/version.cc: New test.
* testsuite/29_atomics/headers/stdatomic.h/version.cc: New test.
2022-04-12 Jonathan Wakely <jwakely@redhat.com>
* acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): Check for mmap.
* config.h.in: Regenerate.
* configure: Regenerate.
2022-04-12 Jonathan Wakely <jwakely@redhat.com>
* include/std/stacktrace (basic_stacktrace::current): Reallocate
a smaller container if the unused capacity is larger than the
used size.
2022-04-12 Jonathan Wakely <jwakely@redhat.com>
* include/std/stacktrace (basic_stacktrace): Use _Impl::_M_clone
or _Impl::_M_assign to initialize elements in allocated storage.
(basic_stacktrace::_M_clear()): Use _Impl::_M_resize instead of
_Impl::_M_destroy.
(basic_stacktrace::_Impl::_M_destroy()): Replace with ...
(basic_stacktrace::_Impl::_M_resize(size_type, allocator&)): New
function.
(basic_stacktrace::_Impl::_M_push_back): Use _M_xclone. Construct
new element using allocator.
(basic_stacktrace::_Impl::_M_clone): New function.
(basic_stacktrace::_Impl::_M_xclone): New function.
(basic_stacktrace::_Impl::_M_assign): New function.
2022-04-12 Jonathan Wakely <jwakely@redhat.com>
* include/std/stacktrace (basic_stacktrace::_Impl::_M_allocate):
Use nothrow new instead of try block for std::allocator.
(basic_stacktrace::_Impl::_M_deallocate): Use delete for
std::allocator.
2022-04-12 Jonathan Wakely <jwakely@redhat.com>
* include/std/stacktrace (basic_stacktrace::current): Replace
calls to _M_reserve and _S_curr_cb with call to _M_prepare.
Check return value of backtrace_simple when max depth given.
(basic_stacktrace::_M_reserve): Remove.
(basic_stacktrace::_S_curr_cb): Remove.
(basic_stacktrace::_M_prepare(size_type)): New function to
reserve initial capacity and return callback.
(basic_stacktrace::_Impl::_M_allocate): Remove check for 0 < n
and remove redundant zeroing of _M_frames and _M_capacity.
(basic_stacktrace::_Impl::_M_push_back): Add [[unlikely]]
attribute. Assign _Impl instead of swapping.
* testsuite/19_diagnostics/stacktrace/current.cc: New test.
2022-04-11 Jonathan Wakely <jwakely@redhat.com>
* include/std/stacktrace (basic_stacktrace::_Impl::_M_allocate):
Change [[unlikely]] attribute to [[likely]].
2022-04-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105031
* include/std/stacktrace (basic_stacktrace::basic_stacktrace):
Fix allocator usage in constructors.
(basic_stacktrace::operator=(const basic_stacktrace&)): Do not
try to reallocate using const allocator.
(basic_stacktrace::operator=(basic_stacktrace&&)): Fix
if-constexpr with non-constant condition. Do not allocate new
storage if allocator propagates. Do not set _M_size if
allocation fails.
(basic_stacktrace::swap(basic_stacktrace&)): Fix typo. Add
assertion that non-propagating allocators are equal.
* testsuite/19_diagnostics/stacktrace/stacktrace.cc: New test.
2022-04-11 Jonathan Wakely <jwakely@redhat.com>
* include/std/stacktrace (basic_stacktrace::current): Duplicate
implementation into each overload. Add noinline attribute and
skip current frame.
(basic_stacktrace::max_size()): Call _Impl::_S_max_size.
(basic_stacktrace::_S_curr_cb()): New function defining lambda.
(basic_stacktrace::_Impl::_S_max_size): New function defining
maximum size in terms of allocator and size_type.
(basic_stacktrace::_Impl::_M_allocate): Check against
max_size().
* testsuite/19_diagnostics/stacktrace/entry.cc: Call function
for non-constexpr checks. Check line number is correct.
2022-04-11 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/stacktrace/entry.cc: Moved to...
* testsuite/19_diagnostics/stacktrace/entry.cc: ...here.
* testsuite/20_util/stacktrace/synopsis.cc: Moved to...
* testsuite/19_diagnostics/stacktrace/synopsis.cc: ...here.
* testsuite/20_util/stacktrace/version.cc: Moved to...
* testsuite/19_diagnostics/stacktrace/version.cc: ...here.
2022-04-11 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/bits/fs_path.h (path): Define special
members after path::_Cmpt is complete.
2022-04-08 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105153
* include/std/expected
(expected<void,E>::expected(expected<U,G>&&)): Fix constraints.
* testsuite/20_util/expected/cons.cc: Check constructor.
2022-04-08 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105154
* include/std/expected (expected<void, E>::swap): Set
_M_has_value to false for objects that previously had a value.
* testsuite/20_util/expected/swap.cc: Fix test to check void
specialization.
2022-04-08 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105146
* include/std/expected (bad_expected_access): Move constructor
parameter.
* testsuite/20_util/expected/bad.cc: New test.
2022-04-07 Hans-Peter Nilsson <hp@axis.com>
* testsuite/20_util/expected/requirements.cc: Correct minimal-size
test.
2022-04-02 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/105128
* include/std/source_location (std::source_location::__impl): Move
definition before using __builtin_ret_type.
2022-04-01 Jonathan Wakely <jwakely@redhat.com>
* include/std/utility (unreachable): Define for C++23.
* include/std/version (__cpp_lib_unreachable): Define.
* src/c++11/debug.cc (__glibcxx_assert_fail): Check for valid
arguments. Handle only the function being given.
* testsuite/20_util/unreachable/1.cc: New test.
* testsuite/20_util/unreachable/version.cc: New test.
2022-04-01 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/bits/fs_fwd.h (copy_file): Remove
incorrect noexcept from declaration.
* include/experimental/bits/fs_path.h (path::begin, path::end):
Add noexcept to declarations, to match definitions.
2022-04-01 Timm Bﾃ､der <tbaeder@redhat.com>
* include/bits/fs_ops.h: Fix filename in Doxygen comment.
* include/experimental/bits/fs_ops.h: Likewise.
2022-03-31 Jonathan Wakely <jwakely@redhat.com>
* libsupc++/new_opa.cc (aligned_alloc): Add comment.
2022-03-29 Jonathan Wakely <jwakely@redhat.com>
* testsuite/18_support/exception/38732.cc: Disable for C++23.
* testsuite/18_support/headers/exception/synopsis.cc: Likewise.
* testsuite/18_support/unexpected_handler.cc: Likewise.
2022-03-29 Jonathan Wakely <jwakely@redhat.com>
* libsupc++/compare (_Strong_order) [!__cpp_using_enum]: Add
static data members for _Fp_fmt enumerators.
2022-03-29 Jonathan Wakely <jwakely@redhat.com>
* include/std/version (__cpp_lib_variant): Fix conditions to
match <variant>.
(__cpp_lib_expected): Fix condition to match <expected>.
2022-03-28 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/optional/monadic/and_then.cc: Fix typo.
* testsuite/20_util/optional/monadic/transform.cc: Likewise.
* testsuite/22_locale/codecvt/always_noconv/char/1.cc: Likewise.
* testsuite/22_locale/codecvt/encoding/char/1.cc: Likewise.
* testsuite/22_locale/codecvt/in/char/1.cc: Likewise.
* testsuite/22_locale/codecvt/max_length/char/1.cc: Likewise.
* testsuite/22_locale/codecvt/out/char/1.cc: Likewise.
* testsuite/22_locale/codecvt/unshift/char/1.cc: Likewise.
2022-03-27 Jonathan Wakely <jwakely@redhat.com>
* doc/doxygen/user.cfg.in: Add new header.
* include/Makefile.am: Likewise.
* include/Makefile.in: Regenerate.
* include/precompiled/stdc++.h: Add new header.
* include/std/version (__cpp_lib_expected): Define.
* libsupc++/exception [__cplusplus > 202002] (unexpected)
(unexpected_handler, set_unexpected): Do not declare for C++23.
* include/std/expected: New file.
* testsuite/20_util/expected/assign.cc: New test.
* testsuite/20_util/expected/cons.cc: New test.
* testsuite/20_util/expected/illformed_neg.cc: New test.
* testsuite/20_util/expected/observers.cc: New test.
* testsuite/20_util/expected/requirements.cc: New test.
* testsuite/20_util/expected/swap.cc: New test.
* testsuite/20_util/expected/synopsis.cc: New test.
* testsuite/20_util/expected/unexpected.cc: New test.
* testsuite/20_util/expected/version.cc: New test.
2022-03-25 Jonathan Wakely <jwakely@redhat.com>
* include/std/bit (bit_cast, byteswap, endian): Add doxygen
comments.
2022-03-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105027
* include/std/bit (bit_cast): Add constraints.
* testsuite/26_numerics/bit/bit.cast/105027.cc: New test.
2022-03-23 Jonathan Wakely <jwakely@redhat.com>
* include/std/version [!_GLIBCXX_HOSTED]
(__cpp_lib_hardware_interference_size): Define for freestanding.
(__cpp_lib_bit_cast): Likewise.
(__cpp_lib_is_layout_compatible): Likewise.
(__cpp_lib_is_pointer_interconvertible): Likewise.
(__cpp_lib_adaptor_iterator_pair_constructor): Do not define for
freestanding.
(__cpp_lib_invoke_r): Likewise.
(__cpp_lib_ios_noreplace): Likewise.
(__cpp_lib_monadic_optional): Likewise.
(__cpp_lib_move_only_function): Likewise.
(__cpp_lib_spanstream): Likewise.
(__cpp_lib_stacktrace): Likewise.
(__cpp_lib_string_contains): Likewise.
(__cpp_lib_string_resize_and_overwrite): Likewise.
(__cpp_lib_to_underlying): Likewise.
2022-03-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105021
* include/bits/atomic_base.h [!_GLIBCXX_HOSTED]: Do not include
<bits/atomic_wait.h> for freestanding.
2022-03-22 Hans-Peter Nilsson <hp@axis.com>
* testsuite/20_util/from_chars/6.cc (test01) [FE_DOWNWARD]:
Conditionalize call to fesetround.
2022-03-21 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/104990
* include/bits/locale_facets_nonio.tcc (get): Don't check if do_get
isn't overloaded if __clang__ is defined.
2022-03-18 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104242
* include/std/any (any(T&&)): Revert change to constraints.
* testsuite/20_util/any/cons/104242.cc: New test.
2022-03-18 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/92546
* include/pstl/glue_algorithm_defs.h: Replace <functional> with
<bits/stl_pair.h>.
* include/pstl/utils.h: Replace <iterator> with <type_traits>.
(__pstl::__internal::__except_handler): Use std::__terminate
instead of std::terminate.
* src/c++17/fs_path.cc: Include <array>.
* testsuite/25_algorithms/adjacent_find/constexpr.cc: Include
<functional>.
* testsuite/25_algorithms/binary_search/constexpr.cc: Likewise.
* testsuite/25_algorithms/clamp/constrained.cc: Likewise.
* testsuite/25_algorithms/equal/constrained.cc: Likewise.
* testsuite/25_algorithms/for_each/constrained.cc: Likewise.
* testsuite/25_algorithms/includes/constrained.cc: Likewise.
* testsuite/25_algorithms/is_heap/constexpr.cc: Likewise.
* testsuite/25_algorithms/is_heap_until/constexpr.cc: Likewise.
* testsuite/25_algorithms/is_permutation/constrained.cc: Include
<iterator>.
* testsuite/25_algorithms/is_sorted/constexpr.cc: Include
<functional>.
* testsuite/25_algorithms/is_sorted_until/constexpr.cc:
Likewise.
* testsuite/25_algorithms/lexicographical_compare/constexpr.cc:
Likewise.
* testsuite/25_algorithms/lexicographical_compare/constrained.cc:
Likewise.
* testsuite/25_algorithms/lexicographical_compare_three_way/1.cc:
Include <array>.
* testsuite/25_algorithms/lower_bound/constexpr.cc: Include
<functional>.
* testsuite/25_algorithms/max/constrained.cc: Likewise.
* testsuite/25_algorithms/max_element/constrained.cc: Likewise.
* testsuite/25_algorithms/min/constrained.cc: Likewise.
* testsuite/25_algorithms/min_element/constrained.cc: Likewise.
* testsuite/25_algorithms/minmax_element/constrained.cc:
Likewise.
* testsuite/25_algorithms/mismatch/constexpr.cc: Likewise.
* testsuite/25_algorithms/move/93872.cc: Likewise.
* testsuite/25_algorithms/move_backward/93872.cc: Include
<iterator>.
* testsuite/25_algorithms/nth_element/constexpr.cc: Include
<functional>.
* testsuite/25_algorithms/partial_sort/constexpr.cc: Likewise.
* testsuite/25_algorithms/partial_sort_copy/constexpr.cc:
Likewise.
* testsuite/25_algorithms/search/constexpr.cc: Likewise.
* testsuite/25_algorithms/search_n/constrained.cc: Likewise.
* testsuite/25_algorithms/set_difference/constexpr.cc: Likewise.
* testsuite/25_algorithms/set_difference/constrained.cc:
Likewise.
* testsuite/25_algorithms/set_intersection/constexpr.cc:
Likewise.
* testsuite/25_algorithms/set_intersection/constrained.cc:
Likewise.
* testsuite/25_algorithms/set_symmetric_difference/constexpr.cc:
Likewise.
* testsuite/25_algorithms/set_union/constexpr.cc: Likewise.
* testsuite/25_algorithms/set_union/constrained.cc: Likewise.
* testsuite/25_algorithms/sort/constexpr.cc: Likewise.
* testsuite/25_algorithms/sort_heap/constexpr.cc: Likewise.
* testsuite/25_algorithms/transform/constrained.cc: Likewise.
* testsuite/25_algorithms/unique/constexpr.cc: Likewise.
* testsuite/25_algorithms/unique/constrained.cc: Likewise.
* testsuite/25_algorithms/unique_copy/constexpr.cc: Likewise.
* testsuite/25_algorithms/upper_bound/constexpr.cc: Likewise.
* testsuite/std/ranges/adaptors/elements.cc: Include <vector>.
* testsuite/std/ranges/adaptors/lazy_split.cc: Likewise.
* testsuite/std/ranges/adaptors/split.cc: Likewise.
2022-03-17 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/92546
* include/bits/fs_path.h (path::make_preferred): Use
handwritten loop instead of std::replace.
2022-03-17 Jonathan Wakely <jwakely@redhat.com>
PR middle-end/104966
* include/bits/locale_facets_nonio.tcc
(__moneypunct_cache::_M_cache): Replace try-catch with RAII and
make all string copies before any stores to *this.
2022-03-17 Jonathan Wakely <jwakely@redhat.com>
* testsuite/util/testsuite_character.h: Fix comment.
2022-03-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103407
* config/abi/pre/gnu.ver: Make version for std::from_chars
depend on HAVE_USELOCALE macro.
* testsuite/util/testsuite_abi.cc (compare_symbols): Treat
std::from_chars for floating-point types as undesignated if
not found in the baseline symbols file.
2022-03-16 Jonathan Wakely <jwakely@redhat.com>
* include/std/charconv (__cpp_lib_to_chars): Only define when
both from_chars and to_chars are supported for floating-point
types.
(from_chars, to_chars): Adjust preprocessor conditions guarding
declarations.
* include/std/version (__cpp_lib_to_chars): Adjust condition to
match <charconv> definition.
* src/c++17/floating_from_chars.cc (from_chars_strtod): New
function template.
(from_chars): Simplify preprocessor checks and use
from_chars_strtod when appropriate.
2022-03-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104875
* src/c++11/codecvt.cc (read_utf8_code_point): Use char32_t to
hold octets that will be left-shifted.
2022-03-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104870
* src/c++17/floating_from_chars.cc: Check __SIZE_WIDTH__ >= 32
before using fast_float.
2022-03-10 Detlef Vollmann <dv@vollmann.ch>
PR libstdc++/104866
* include/bits/this_thread_sleep.h: Fix order of #endif and
closing brace of namespace.
2022-03-10 Jonathan Wakely <jwakely@redhat.com>
* libsupc++/compare (_Strong_order::_S_fp_cmp) [__vax__]:
Handle NaN.
2022-03-10 Jonathan Wakely <jwakely@redhat.com>
* libsupc++/compare (_Strong_ordering::_S_fp_cmp) [__vax__]: Use
<=> comparison.
2022-03-09 Patrick Palka <ppalka@redhat.com>
PR libstdc++/104859
* src/c++17/floating_to_chars.cc (__floating_to_chars_hex):
Be explicit when narrowing the shifted effective_mantissa,
since it may have an integer-class type.
2022-03-08 Jonathan Wakely <jwakely@redhat.com>
* include/bits/uses_allocator_args.h: Remove incorrect copyright
notice.
2022-03-07 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104807
* include/bits/c++config (__terminate, __glibcxx_assert_fail):
Replace _GLIBCXX_VISIBILITY on function with visibility pragma.
(__is_constant_evaluated): Add visibility pragma.
2022-03-07 Rasmus Villemoes <rasmus.villemoes@prevas.dk>
* config/locale/vxworks/ctype_members.cc: Remove <iostream>
include.
2022-03-05 Jonathan Wakely <jwakely@redhat.com>
* include/bits/c++config (__glibcxx_assert_fail): Add visibility
attribute.
(__terminate): Likewise.
2022-03-04 Jonathan Wakely <jwakely@redhat.com>
* libsupc++/compare (strong_order::_S_fp_cmp): Move typedef
inside #if condition.
2022-03-03 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104748
* testsuite/std/ranges/adaptors/all.cc: Use non-debug vector for
constexpr test.
2022-03-03 Jonathan Wakely <jwakely@redhat.com>
* testsuite/17_intro/names.cc (func): Undef on AIX.
2022-03-03 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/96526
* libsupc++/compare (strong_order): Add missing support for
floating-point types.
* testsuite/18_support/comparisons/algorithms/strong_order_floats.cc:
New test.
2022-03-01 Jonathan Wakely <jwakely@redhat.com>
PR middle-end/103984
* include/bits/regex_compiler.h (_BracketMatcher::_M_char): Use
default member initializer.
2022-02-24 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104602
* include/std/source_location (source_location::current): Use
deduced type of __builtin_source_location().
2022-02-22 Patrick Palka <ppalka@redhat.com>
* include/bits/ranges_base.h (__detail::__is_initializer_list):
Define.
(viewable_range): Adjust as per P2415R2.
* include/bits/ranges_cmp.h (__cpp_lib_ranges): Adjust value.
* include/std/ranges (owning_view): Define as per P2415R2.
(enable_borrowed_range<owning_view>): Likewise.
(views::__detail::__can_subrange): Replace with ...
(views::__detail::__can_owning_view): ... this.
(views::_All::_S_noexcept): Sync with operator().
(views::_All::operator()): Use owning_view instead of subrange
as per P2415R2.
* include/std/version (__cpp_lib_ranges): Adjust value.
* testsuite/std/ranges/adaptors/all.cc (test06): Adjust now that
views::all uses owning_view instead of subrange.
(test08): New test.
* testsuite/std/ranges/adaptors/lazy_split.cc (test09): Adjust
now that rvalue non-view non-borrowed ranges are viewable.
* testsuite/std/ranges/adaptors/split.cc (test06): Likewise.
2022-02-17 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104559
* doc/xml/manual/evolution.xml: Document deprecation.
* doc/html/manual/api.html: Regenerate.
* include/bits/stl_bvector.h (insert(const_iterator, const bool&)):
Remove default argument.
(insert(const_iterator)): New overload with deprecated attribute.
* testsuite/23_containers/vector/bool/modifiers/insert/104559.cc:
New test.
2022-02-17 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py (StdErrorCodePrinter): Replace
code that call cat->name() on std::error_category objects.
Identify known categories by symbol name and use a hardcoded
name. Print error code values as enumerators where appopriate.
* testsuite/libstdc++-prettyprinters/cxx11.cc: Adjust expected
name of custom category. Check io_errc and future_errc errors.
2022-02-15 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104542
* include/bits/uses_allocator_args.h (make_obj_using_allocator)
(uninitialized_construct_using_allocator): Add constexpr.
* testsuite/20_util/uses_allocator/make_obj.cc: Check constexpr.
* testsuite/20_util/uses_allocator/uninitialized_construct.cc: New test.
2022-02-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/100912
* config/locale/gnu/c_locale.h (__convert_from_v): Use inline
namespace for IEEE128 long double mode.
* config/os/gnu-linux/ldbl-ieee128-extra.ver: Add new symbol
version and export __gnu_cxx_ieee128::__convert_from_v.
* include/bits/locale_facets_nonio.tcc (money_put::__do_put):
Make __ibm128 overload use snprintf directly
* testsuite/util/testsuite_abi.cc: Add new symbol version.
Remove stable IEEE128/LDBL versions.
2022-02-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103891
* include/bits/c++config (_GLIBCXX_HAVE_COND_TRIVIAL_SPECIAL_MEMBERS):
Remove.
* include/std/variant: Check feature test macros instead.
* include/std/version: Likewise.
2022-02-14 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/unsynchronized_pool_resource/allocate.cc:
Fix typo.
2022-02-14 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/floating_to_chars.cc (FLOAT128_TO_CHARS): Depend on
LONG_DOUBLE_ALT128_COMPAT instead of USE_FLOAT128.
2022-02-11 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/temporary_buffer.cc: Fix dg-warning target
selector.
2022-02-11 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/monotonic_buffer_resource/allocate.cc:
Ignore -Walloc-larger-than warning.
* testsuite/20_util/unsynchronized_pool_resource/allocate.cc:
Likewise.
* testsuite/29_atomics/atomic/cons/user_pod.cc: Compile with -O1
to avoid linker error for __atomic_is_lock_free.
2022-02-10 Thomas Rodgers <rodgert@appliantology.com>
* include/bits/atomic_wait.h (__waiter_base::_S_do_spin,
__waiter_base::_S_do_spin_v): Change memory order from relaxed
to acquire.
2022-02-10 Jonathan Wakely <jwakely@redhat.com>
* include/c_compatibility/stdatomic.h (atomic_fetch_xor): Add
using-declaration.
(atomic_fetch_xor_explicit): Likewise.
* testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Check
arithmetic and logical operations for atomic_int.
2022-02-10 Jonathan Wakely <jwakely@redhat.com>
* src/filesystem/dir-common.h (_GLIBCXX_HAVE_DIRFD): Undefine
when <dirent.h> is not available.
(_GLIBCXX_HAVE_UNLINKAT): Likewise.
2022-02-09 Thomas Rodgers <rodgert@appliantology.com>
PR libstdc++/104442
* include/bits/atomic_wait.h (__waiter::_M_do_wait_v): Move spin
loop inside do loop so that threads failing the wait, reload
_M_ver.
2022-02-08 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/fs_dir.cc (_Dir(DIR*, const path&)): Change first
parameter to _Dir_base&&.
* src/filesystem/dir-common.h (_Dir_base(DIR*)): Remove.
* src/filesystem/dir.cc (_Dir(DIR*, const path&)): Change first
parameter to _Dir_base&&.
2022-02-08 Jonathan Wakely <jwakely@redhat.com>
* acinclude.m4 (GLIBCXX_ENABLE_LOCK_POLICY): Add comment about
checking for CAS on correct word size.
2022-02-08 Jonathan Wakely <jwakely@redhat.com>
* testsuite/experimental/filesystem/operations/create_directories.cc:
Adjust expected results for Windows.
2022-02-08 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104161
* src/c++17/fs_dir.cc (fs::recursive_directory_iterator::__erase):
[i_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Refresh entry._M_type member,
instead of checking for errno values indicating a directory.
* src/c++17/fs_ops.cc (fs::remove_all(const path&)): Use similar
logic to non-throwing overload.
(fs::remove_all(const path&, error_code&)): Add comments.
* src/filesystem/ops-common.h: Likewise.
2022-02-04 Jonathan Wakely <jwakely@redhat.com>
* src/filesystem/dir-common.h (_Dir_base::openat): Change return
type to use portable posix::DIR alias.
2022-02-04 Jonathan Wakely <jwakely@redhat.com>
* include/c_compatibility/stdatomic.h [__clang__]: Use
#include_next <stdatomic.h>.
2022-02-04 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/bits/fs_ops.h (fs::copy_file): Remove
noexcept.
(fs::create_directories): Likewise.
(fs::remove_all): Likewise.
* src/filesystem/ops.cc (fs::copy_file): Remove noexcept.
(fs::create_directories): Likewise.
(fs::remove_all): Likewise.
2022-02-04 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104161
* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for dirfd
and unlinkat.
* config.h.in: Regenerate.
* configure: Regenerate.
* include/bits/fs_dir.h (recursive_directory_iterator): Declare
remove_all overloads as friends.
(recursive_directory_iterator::__erase): Declare new member
function.
* include/bits/fs_fwd.h (remove, remove_all): Declare.
* src/c++17/fs_dir.cc (_Dir): Add filename_only parameter to
constructor. Pass file descriptor argument to base constructor.
(_Dir::dir_and_pathname, _Dir::open_subdir, _Dir::do_unlink)
(_Dir::unlink, _Dir::rmdir): Define new member functions.
(directory_iterator): Pass filename_only argument to _Dir
constructor.
(recursive_directory_iterator::_Dir_stack): Adjust constructor
parameters to take a _Dir rvalue instead of creating one.
(_Dir_stack::orig): Add data member for storing original path.
(_Dir_stack::report_error): Define new member function.
(__directory_iterator_nofollow): Move here from dir-common.h and
fix value to be a power of two.
(__directory_iterator_filename_only): Define new constant.
(recursive_directory_iterator): Construct _Dir object and move
into _M_dirs stack. Pass skip_permission_denied argument to first
advance call.
(recursive_directory_iterator::increment): Use _Dir::open_subdir.
(recursive_directory_iterator::__erase): Define new member
function.
* src/c++17/fs_ops.cc (ErrorReporter, do_remove_all): Remove.
(fs::remove_all): Use new recursive_directory_iterator::__erase
member function.
* src/filesystem/dir-common.h (_Dir_base): Add int parameter to
constructor and use openat to implement nofollow semantics.
(_Dir_base::fdcwd, _Dir_base::set_close_on_exec, _Dir_base::openat):
Define new member functions.
(__directory_iterator_nofollow): Move to fs_dir.cc.
* src/filesystem/dir.cc (_Dir): Pass file descriptor argument to
base constructor.
(_Dir::dir_and_pathname, _Dir::open_subdir): Define new member
functions.
(recursive_directory_iterator::_Dir_stack): Adjust constructor
parameters to take a _Dir rvalue instead of creating one.
(recursive_directory_iterator): Check for new nofollow option.
Construct _Dir object and move into _M_dirs stack. Pass
skip_permission_denied argument to first advance call.
(recursive_directory_iterator::increment): Use _Dir::open_subdir.
* src/filesystem/ops.cc (fs::remove_all): Use C++17 remove_all.
2022-02-04 Jonathan Wakely <jwakely@redhat.com>
* include/bits/allocator.h: Qualify std::allocator_traits in
deprecated warnings.
* libsupc++/exception (uncaught_exception): Add suggestion to
deprecated warning.
2022-02-02 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/fs_dir.cc (fs::recursive_directory_iterator::pop):
Add [[maybe_unused]] attribute.
* src/filesystem/dir.cc (fs::recursive_directory_iterator::pop):
Likewise.
2022-02-02 Jonathan Wakely <jwakely@redhat.com>
* testsuite/23_containers/multiset/operators/cmp_c++20.cc: Use
custom comparison function for multiset.
* testsuite/23_containers/set/operators/cmp_c++20.cc: Use custom
comparison function for set.
2022-02-02 Jonathan Wakely <jwakely@redhat.com>
* include/bits/boost_concept_check.h (_OutputIteratorConcept):
Change member function to data member of function pointer type.
2022-02-02 Martin Sebor <msebor@redhat.com>
PR libstdc++/101831
* include/std/array (begin): Declare const member function attribute
const.
(end, rbegin, rend, size, max_size, empty, data): Same.
* testsuite/23_containers/array/capacity/empty.cc: Add test cases.
* testsuite/23_containers/array/capacity/max_size.cc: Same.
* testsuite/23_containers/array/capacity/size.cc: Same.
* testsuite/23_containers/array/iterators/begin_end.cc: New test.
2022-02-02 Jonathan Wakely <jwakely@redhat.com>
* testsuite/27_io/filesystem/iterators/error_reporting.cc: Use
autoconf macro to check whether d_type is present.
* testsuite/experimental/filesystem/iterators/error_reporting.cc:
Likewise.
2022-02-01 Jonathan Wakely <jwakely@redhat.com>
* testsuite/27_io/filesystem/iterators/97731.cc: New test.
* testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
Check follow_directory_symlink option.
* testsuite/experimental/filesystem/iterators/recursive_directory_iterator.cc:
Likewise.
2022-02-01 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/fs_dir.cc (recursive_directory_iterator::increment):
Reset state to past-the-end iterator on error.
(fs::recursive_directory_iterator::pop(error_code&)): Likewise.
(fs::recursive_directory_iterator::pop()): Check _M_dirs before
it might get reset.
* src/filesystem/dir.cc (recursive_directory_iterator): Likewise,
for the TS implementation.
* testsuite/27_io/filesystem/iterators/error_reporting.cc: New test.
* testsuite/experimental/filesystem/iterators/error_reporting.cc: New test.
2022-02-01 Jonathan Wakely <jwakely@redhat.com>
* include/bits/fs_fwd.h (filesystem::perms): Fix comment.
2022-02-01 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104301
* acinclude.m4 (GLIBCXX_ENABLE_CSTDIO): Print different messages
for stdio_pure and stdio_posix options.
* configure: Regenerate.
2022-02-01 Thomas Rodgers <rodgert@appliantology.com>
* include/bits/atomic_wait.h: Change memory order from
Acquire/Release with relaxed loads to SeqCst+Release for
accesses to the waiter's count.
2022-01-31 Martin Liska <mliska@suse.cz>
* acinclude.m4: Detect *_ld_is_mold and use it.
* configure: Regenerate.
2022-01-30 Hans-Peter Nilsson <hp@axis.com>
* testsuite/27_io/basic_istream/get/char/lwg3464.cc: Don't run on
simulator targets.
* testsuite/27_io/basic_istream/get/wchar_t/lwg3464.cc: Likewise.
2022-01-27 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/100516
* include/bits/deque.tcc (_M_range_initialize<ForwardIterator>):
Add __builtin_unreachable to loop.
* testsuite/23_containers/deque/100516.cc: New test.
2022-01-27 Jonathan Wakely <jwakely@redhat.com>
* include/bits/ranges_base.h (ranges::advance): Avoid signed
overflow. Do nothing if already equal to desired result.
* testsuite/24_iterators/range_operations/advance_overflow.cc:
New test.
2022-01-27 Martin Liska <mliska@suse.cz>
PR libstdc++/104259
* acinclude.m4: Fix typo.
* configure: Regenerate.
2022-01-25 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104019
* include/bits/istream.tcc (basic_istream::sentry): Add braces
around try-block.
* include/bits/shared_ptr_base.h (_Sp_counted_array_base::_M_init):
Add pragmas to disable bogus warnings from PR 61596.
2022-01-25 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104217
* src/c++17/fs_ops.cc (_GNU_SOURCE): Define.
* src/filesystem/dir.cc (_GNU_SOURCE): Define.
* src/filesystem/ops.cc (_GNU_SOURCE): Define.
2022-01-25 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104161
* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for
fdopendir.
* config.h.in: Regenerate.
* configure: Regenerate.
* src/c++17/fs_dir.cc (_Dir): Add nofollow flag to constructor
and pass it to base class constructor.
(directory_iterator): Pass nofollow flag to _Dir constructor.
(fs::recursive_directory_iterator::increment): Likewise.
* src/c++17/fs_ops.cc (do_remove_all): Use nofollow option for
directory_iterator constructor. Move error check outside loop.
* src/filesystem/dir-common.h (_Dir_base): Add nofollow flag to
constructor and when it's set use ::open with O_NOFOLLOW and
O_DIRECTORY.
* src/filesystem/dir.cc (_Dir): Add nofollow flag to constructor
and pass it to base class constructor.
(directory_iterator): Pass nofollow flag to _Dir constructor.
(fs::recursive_directory_iterator::increment): Likewise.
* src/filesystem/ops.cc (remove_all): Use nofollow option for
directory_iterator constructor. Move error check outside loop.
2022-01-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104032
* include/std/spanstream (basic_spanbuf(basic_spanbuf&&)): Use
mem-initializer for _M_buf.
(basic_spanbuf::Operator=(basic_spanbuf&&)): Fix ill-formed
member access.
* testsuite/27_io/spanstream/2.cc: New test.
2022-01-23 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/floating_from_chars.cc (USE_STRTOD_FOR_FROM_CHARS):
Define macro for case where std::from_chars is implemented in
terms of strtod, strtof or strtold.
(buffer_resource, valid_fmt, find_end_of_float, pattern)
(from_chars_impl, make_result, reserve_string): Do not define
unless USE_STRTOD_FOR_FROM_CHARS is defined.
(from_chars): Define when at least one of USE_LIB_FAST_FLOAT and
USE_STRTOD_FOR_FROM_CHARS is defined, instead of
_GLIBCXX_HAVE_USELOCALE. Use fast_float for long double when it
is binary64.
2022-01-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104174
* include/bits/hashtable_policy.h (_Map_base): Add partial
specialization for maps with const key types.
* testsuite/23_containers/unordered_map/104174.cc: New test.
2022-01-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104019
* include/bits/shared_ptr_base.h (_Sp_counted_base<>::_M_release):
Set members to zero without type punning.
2022-01-21 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/shared_ptr/cons/array.cc: Fix comment.
2022-01-21 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/87193
PR libstdc++/104019
* include/bits/alloc_traits.h (__cpp_lib_allocator_traits_is_always_equal):
Define as type long.
* include/bits/allocator.h (__cpp_lib_incomplete_container_elements):
Likewise.
* include/bits/basic_string.h (__cpp_lib_string_udls): Likewise.
* include/bits/chrono.h (__cpp_lib_chrono): Likewise.
(__cpp_lib_chrono_udls): Likewise.
* include/bits/move.h (__cpp_lib_addressof_constexpr): Likewise.
* include/bits/node_handle.h (__cpp_lib_node_extract): Likewise.
* include/bits/range_access.h (__cpp_lib_nonmember_container_access):
Likewise.
* include/bits/shared_ptr.h (__cpp_lib_enable_shared_from_this):
Likewise.
* include/bits/stl_algo.h (__cpp_lib_clamp): Likewise.
(__cpp_lib_sample): Likewise.
* include/bits/stl_algobase.h (__cpp_lib_robust_nonmodifying_seq_ops):
Likewise.
* include/bits/stl_function.h (__cpp_lib_transparent_operators):
Likewise.
* include/bits/stl_iterator.h (__cpp_lib_make_reverse_iterator):
Likewise.
* include/bits/stl_map.h (__cpp_lib_map_try_emplace):
Likewise.
* include/bits/stl_tree.h (__cpp_lib_generic_associative_lookup):
Likewise.
* include/bits/unique_ptr.h (__cpp_lib_make_unique):
Likewise.
* include/bits/unordered_map.h (__cpp_lib_unordered_map_try_emplace):
Likewise.
* include/c_global/cmath (__cpp_lib_hypot): Likewise.
* include/c_global/cstddef (__cpp_lib_byte): Likewise.
* include/std/atomic (__cpp_lib_atomic_is_always_lock_free):
Likewise.
* include/std/complex (__cpp_lib_complex_udls): Likewise.
* include/std/filesystem (__cpp_lib_filesystem): Likewise.
* include/std/functional (__cpp_lib_not_fn): Likewise.
(__cpp_lib_boyer_moore_searcher): Likewise.
* include/std/iomanip (__cpp_lib_quoted_string_io): Likewise.
* include/std/mutex (__cpp_lib_scoped_lock): Likewise.
* include/std/numeric (__cpp_lib_gcd_lcm): Likewise.
(__cpp_lib_gcd, __cpp_lib_lcm): Likewise.
* include/std/tuple (__cpp_lib_apply): Likewise.
(__cpp_lib_make_from_tuple): Likewise.
* include/std/type_traits (__cpp_lib_integral_constant_callable)
(__cpp_lib_bool_constant, __cpp_lib_logical_traits)
(__cpp_lib_is_null_pointer, __cpp_lib_transformation_trait_aliases)
(__cpp_lib_result_of_sfinae, __cpp_lib_void_t)
(__cpp_lib_is_swappable, __cpp_lib_is_invocable)
(__cpp_lib_has_unique_object_representations)
(__cpp_lib_is_aggregate): Likewise.
* include/std/version: Likewise.
* libsupc++/new (__cpp_lib_launder): Likewise.
2022-01-21 Jonathan Wakely <jwakely@redhat.com>
* include/std/version (__cpp_lib_shared_ptr_arrays): Fix
condition for C++17 definition.
2022-01-21 Jonathan Wakely <jwakely@redhat.com>
* include/bits/shared_ptr_atomic.h (_Sp_atomic::_Atomic_count):
Add constexpr.
(_Sp_atomic::_M_ptr): Add default member-initializer.
* testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc:
Check constant initialization.
* testsuite/20_util/weak_ptr/atomic_weak_ptr.cc: Likewise.
2022-01-20 Jonathan Wakely <jwakely@redhat.com>
* src/c++11/cxx11-ios_failure.cc (__constinit): Define as
equivalent attribute for Clang.
* src/c++11/future.cc (__constinit): Likewise.
* src/c++11/system_error.cc (__constinit): Likewise.
* src/c++17/memory_resource.cc (__constinit): Likewise.
2022-01-20 Jonathan Wakely <jwakely@redhat.com>
* scripts/testsuite_flags.in: Only add src/filesystem/.libs and
src/libbacktrace/.libs to LDFLAGS if those directories exist.
2022-01-19 Jonathan Wakely <jwakely@redhat.com>
* configure.ac (GLIBCXX_ENABLE_DEBUG_FLAGS): Remove -gdwarf-4
from default flags.
* configure: Regenerate.
2022-01-19 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104123
* testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: Include
<stddef.h>.
2022-01-19 Jonathan Wakely <jwakely@redhat.com>
* scripts/testsuite_flags.in: Add src/libbacktrace/.libs to
linker search paths.
* src/Makefile.am: Fix src/debug/libbacktrace build.
* src/Makefile.in: Regenerate.
* src/libbacktrace/Makefile.am: Use per-library CPPFLAGS
variable. Use symlinks for the source files.
* src/libbacktrace/Makefile.in: Regenerate.
2022-01-19 Matthias Kretz <m.kretz@gsi.de>
* include/experimental/bits/simd.h (__floating_point_flags): Do
not rely on math_errhandling to expand to a constant expression.
2022-01-19 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/evolution.xml: Document deprecations.
* doc/xml/manual/status_cxx2017.xml: Update status.
* doc/html/*: Regenerate.
2022-01-19 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_tempbuf.h (get_temporary_buffer): Change
_GLIBCXX14_DEPRECATED to _GLIBCXX17_DEPRECATED.
2022-01-19 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_pair.h (_PCC::_DeprConsPair): Remove unused
function.
2022-01-19 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104101
* include/bits/shared_ptr_atomic.h (_Sp_atomic::_Atomic_count::lock):
Only use __thread_relax if __cpp_lib_atomic_wait is defined.
2022-01-18 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104099
* include/bits/basic_string.h (basic_string(nullptr_t)): Only
define for C++23.
(operator=(nullptr_t)): Likewise.
* include/bits/cow_string.h: Likewise.
* include/std/string_view (basic_string_view(nullptr_t)):
Likewise.
* testsuite/21_strings/basic_string/cons/char/nullptr.cc: Adjust
expected error. Add examples that become ill-formed in C++23.
* testsuite/21_strings/basic_string_view/cons/char/nonnull.cc:
Adjust expected errors.
* testsuite/21_strings/basic_string_view/cons/wchar_t/nonnull.cc:
Likewise.
2022-01-18 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104098
* include/bits/stl_iterator.h (reverse_iterator): Check
__cpp_lib_concepts instead of __cplusplus.
2022-01-18 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/101124
* include/bits/stl_pair.h (pair): Adjust constraints on
deprecated constructors accepting literal zero as null pointer
constant. Improve wording of deprecated attribute.
* testsuite/20_util/pair/cons/99957.cc: Check that deprecated
constructors do not cause ambiguities for copyable types.
2022-01-18 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_function.h (ptr_fun): Fix suggestion for
non-deprecated alternative.
2022-01-18 Tom Honermann <tom@honermann.net>
* acinclude.m4: Define config macros if uchar.h provides
c8rtomb() and mbrtoc8().
* config.h.in: Regenerate.
* configure: Regenerate.
* include/c_compatibility/uchar.h (c8rtomb, mbrtoc8): Define.
* include/c_global/cuchar (c8rtomb, mbrtoc8): Likewise.
* include/c_std/cuchar (c8rtomb, mbrtoc8): Likewise.
* testsuite/21_strings/headers/cuchar/functions_std_cxx20.cc:
New test.
* testsuite/21_strings/headers/cuchar/functions_std_fchar8_t.cc:
New test.
2022-01-18 Jonathan Wakely <jwakely@redhat.com>
* include/Makefile.am: Install new header.
* include/Makefile.in: Regenerate.
* include/c_compatibility/stdatomic.h: New file.
* testsuite/29_atomics/headers/stdatomic.h/c_compat.cc: New test.
2022-01-18 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104080
* src/c++17/fast_float/LOCAL_PATCHES: Update.
* src/c++17/fast_float/fast_float.h (FASTFLOAT_IS_BIG_ENDIAN):
Define in terms of __BYTE_ORDER__.
2022-01-18 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/104080
* src/c++17/fast_float/LOCAL_PATCHES: UPDATE.
* src/c++17/fast_float/fast_float.h (round): Use explicit
template argument list for std::min.
2022-01-18 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2017.xml: Update C++17 status.
* doc/xml/manual/status_cxx2020.xml: Use 12.1 instead of 12 for
upcoming release.
* doc/html/manual/status.html: Regenerate.
2022-01-18 Jonathan Wakely <jwakely@redhat.com>
* acinclude.m4 (GLIBCXX_ENABLE_FULLY_DYNAMIC_STRING): Improve
comments.
* configure: Regenerate.
2022-01-17 Patrick Palka <ppalka@redhat.com>
* src/c++17/floating_from_chars.cc: (USE_LIB_FAST_FLOAT):
Conditionally define, and use it to conditionally include
fast_float.
(from_chars): Use fast_float for float and double when
USE_LIB_FAST_FLOAT.
2022-01-17 Patrick Palka <ppalka@redhat.com>
* src/c++17/fast_float/LOCAL_PATCHES: Update.
* src/c++17/fast_float/fast_float.h (from_chars_advanced): In
case of over/underflow, return errc::result_out_of_range and don't
modify 'value'.
2022-01-17 Patrick Palka <ppalka@redhat.com>
* src/c++17/fast_float/LOCAL_PATCHES: Update.
* src/c++17/fast_float/fast_float.h: Apply local modifications.
2022-01-17 Patrick Palka <ppalka@redhat.com>
* src/c++17/fast_float/LOCAL_PATCHES: New file.
* src/c++17/fast_float/MERGE: New file.
* src/c++17/fast_float/README.md: New file, copied from the
fast_float repository.
* src/c++17/fast_float/fast_float.h: New file, an amalgamation
of the fast_float library.
2022-01-17 Patrick Palka <ppalka@redhat.com>
* src/c++17/floating_from_chars.cc: Include <bit>.
(ascii_to_hexit, starts_with_ci): Conditionally define.
(__floating_from_chars_hex): Conditionally define.
(from_chars): Use __floating_from_chars_hex for
chars_format::hex parsing of binary32/64 float/double.
(testsuite/20_util/from_chars/7.cc): New test.
* testsuite/20_util/from_chars/7.cc: New file.
2022-01-17 Jonathan Wakely <jwakely@redhat.com>
* acinclude.m4 (GLIBCXX_ENABLE_BACKTRACE): New macro.
* configure.ac: Use GLIBCXX_ENABLE_BACKTRACE.
* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/std/stacktrace: New header.
* include/std/version (__cpp_lib_stacktrace): Define.
* Makefile.in: Regenerate.
* config.h.in: Regenerate.
* configure: Regenerate.
* doc/Makefile.in: Regenerate.
* libsupc++/Makefile.in: Regenerate.
* po/Makefile.in: Regenerate.
* python/Makefile.in: Regenerate.
* src/Makefile.am: Regenerate.
* 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.
* src/filesystem/Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
* src/libbacktrace/Makefile.am: New file.
* src/libbacktrace/Makefile.in: New file.
* src/libbacktrace/backtrace-rename.h: New file.
* src/libbacktrace/backtrace-supported.h.in: New file.
* src/libbacktrace/config.h.in: New file.
* testsuite/lib/libstdc++.exp (check_effective_target_stacktrace):
New proc.
* testsuite/20_util/stacktrace/entry.cc: New test.
* testsuite/20_util/stacktrace/synopsis.cc: New test.
* testsuite/20_util/stacktrace/version.cc: New test.
2022-01-17 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2020.xml: Use final C++20 option
names.
* doc/html/manual/status.html: Regenerate.
2022-01-17 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103650
* include/Makefile.am: Rename LT_OBJDIR and STDC_HEADERS.
* include/Makefile.in: Regenerate.
* testsuite/17_intro/headers/c++1998/103650.cc: New test.
2022-01-17 Matthias Kretz <m.kretz@gsi.de>
* include/experimental/bits/simd.h (__floating_point_flags): Do
not rely on the presence of the math_errhandling macro.
2022-01-17 Jonathan Wakely <jwakely@redhat.com>
* include/bits/shared_ptr_atomic.h (_Sp_atomic): Add typename
to qualified-id for dependent type.
2022-01-17 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2020.xml: Update.
* doc/html/manual/status.html: Regenerate.
2022-01-17 Jonathan Wakely <jwakely@redhat.com>
Thomas Rodgers <trodgers@redhat.com>
* include/bits/shared_ptr_atomic.h (__cpp_lib_atomic_shared_ptr):
New macro.
(_Sp_atomic): New class template.
(atomic<shared_ptr<T>>, atomic<weak_ptr<T>>): New partial
specializations.
* include/bits/shared_ptr_base.h (__shared_count, __weak_count)
(__shared_ptr, __weak_ptr): Declare _Sp_atomic as a friend.
* include/std/version (__cpp_lib_atomic_shared_ptr): New macro.
* testsuite/20_util/shared_ptr/atomic/atomic_shared_ptr.cc: New
test.
* testsuite/20_util/weak_ptr/atomic_weak_ptr.cc: New test.
2022-01-15 Matthias Kretz <m.kretz@gsi.de>
* include/experimental/bits/simd.h: Move feature detection bools
and add __have_avx512bitalg, __have_avx512vbmi2,
__have_avx512vbmi, __have_avx512ifma, __have_avx512cd,
__have_avx512vnni, __have_avx512vpopcntdq.
(__detail::__machine_flags): New function which returns a unique
uint64 depending on relevant -m and -f flags.
(__detail::__odr_helper): New type alias for either an anonymous
type or a type specialized with the __machine_flags number.
(_SimdIntOperators): Change template parameters from _Impl to
_Tp, _Abi because _Impl now has an __odr_helper parameter which
may be _OdrEnforcer from the anonymous namespace, which makes
for a bad base class.
(many): Either add __odr_helper template parameter or mark as
always_inline.
* include/experimental/bits/simd_detail.h: Add defines for
AVX512BITALG, AVX512VBMI2, AVX512VBMI, AVX512IFMA, AVX512CD,
AVX512VNNI, AVX512VPOPCNTDQ, and AVX512VP2INTERSECT.
* include/experimental/bits/simd_builtin.h: Add __odr_helper
template parameter or mark as always_inline.
* include/experimental/bits/simd_fixed_size.h: Ditto.
* include/experimental/bits/simd_math.h: Ditto.
* include/experimental/bits/simd_scalar.h: Ditto.
* include/experimental/bits/simd_neon.h: Add __odr_helper
template parameter.
* include/experimental/bits/simd_ppc.h: Ditto.
* include/experimental/bits/simd_x86.h: Ditto.
2022-01-14 Uroﾅ｡ Bizjak <ubizjak@gmail.com>
* testsuite/22_locale/numpunct/members/char/3.cc:
Require pt_PT locale instead of nl_NL.
(test02): Use pt_PT locale instead of nl_NL.
2022-01-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91260
PR libstdc++/91383
PR libstdc++/95065
* include/backward/binders.h (bind1st, bind2nd): Add deprecated
attribute.
* include/bits/refwrap.h (_Maybe_unary_or_binary_function):
Disable deprecated warnings for base classes.
(_Reference_wrapper_base): Likewise.
* include/bits/shared_ptr_base.h (_Sp_owner_less): Likewise.
* include/bits/stl_bvector.h (_Bit_iterator_base): Likewise.
* include/bits/stl_function.h (unary_function, binary_function):
Add deprecated attribute.
(unary_negate, not1, binary_negate, not2, ptr_fun)
(pointer_to_unary_function, pointer_to_binary_function)
(mem_fun_t, const_mem_fun_t, mem_fun_ref_t, const_mem_fun_ref_t)
(mem_fun1_t, const_mem_fun1_t, mem_fun_ref1_t)
(const_mem_fun1_ref_t, mem_fun, mem_fun_ref): Add deprecated
attributes.
* include/bits/stl_iterator.h: Disable deprecated warnings for
std::iterator base classes.
* include/bits/stl_iterator_base_types.h (iterator): Add
deprecated attribute.
* include/bits/stl_map.h (map::value_compare): Disable
deprecated warnings for base class.
* include/bits/stl_multimap.h (multimap::value_compare):
Likewise.
* include/bits/stl_raw_storage_iter.h (raw_storage_iterator):
Add deprecated attribute.
* include/bits/stl_tempbuf.h (get_temporary_buffer): Likewise.
* include/bits/stream_iterator.h: Disable deprecated warnings.
* include/bits/streambuf_iterator.h: Likewise.
* include/ext/bitmap_allocator.h: Remove unary_function base
classes.
* include/ext/functional: Disable deprecated warnings.
* include/ext/rope: Likewise.
* include/ext/throw_allocator.h: Likewise.
* include/std/type_traits (result_of): Add deprecated attribute.
* include/tr1/functional: Disable deprecated warnings.
* include/tr1/functional_hash.h: Likewise.
* testsuite/20_util/function_objects/binders/1.cc: Add
-Wno-disable-deprecations.
* testsuite/20_util/function_objects/binders/3113.cc: Likewise.
* testsuite/20_util/function_objects/constexpr.cc: Add
dg-warning.
* testsuite/20_util/raw_storage_iterator/base.cc: Likewise.
* testsuite/20_util/raw_storage_iterator/dr2127.cc: Likewise.
* testsuite/20_util/raw_storage_iterator/requirements/base_classes.cc:
Likewise.
* testsuite/20_util/raw_storage_iterator/requirements/explicit_instantiation/1.cc:
Likewise.
* testsuite/20_util/raw_storage_iterator/requirements/typedefs.cc:
Likewise.
* testsuite/20_util/reference_wrapper/24803.cc:
Likewise.
* testsuite/20_util/reference_wrapper/typedefs.cc: Enable for
C++20 and check for absence of nested types.
* testsuite/20_util/shared_ptr/comparison/less.cc: Remove
std::binary_function base class.
* testsuite/20_util/temporary_buffer.cc: Add dg-warning.
* testsuite/21_strings/basic_string/cons/char/69092.cc: Remove
std::iterator base class.
* testsuite/24_iterators/back_insert_iterator/requirements/base_classes.cc:
Likewise.
* testsuite/24_iterators/front_insert_iterator/requirements/base_classes.cc:
Likewise.
* testsuite/24_iterators/insert_iterator/requirements/base_classes.cc:
Likewise.
* testsuite/24_iterators/istream_iterator/requirements/base_classes.cc:
Likewise.
* testsuite/24_iterators/istreambuf_iterator/92285.cc:
Likewise.
* testsuite/24_iterators/istreambuf_iterator/requirements/base_classes.cc:
Likewise.
* testsuite/24_iterators/ostream_iterator/requirements/base_classes.cc:
Likewise.
* testsuite/24_iterators/ostreambuf_iterator/requirements/base_classes.cc:
Likewise.
* testsuite/24_iterators/reverse_iterator/requirements/base_classes.cc:
Likewise.
* testsuite/25_algorithms/copy/34595.cc:
Likewise.
* testsuite/25_algorithms/minmax/3.cc: Remove std::binary_function
base class.
* testsuite/25_algorithms/all_of/requirements/explicit_instantiation/2.cc:
Disable deprecated warnings.
* testsuite/25_algorithms/all_of/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/any_of/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/any_of/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/copy_if/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/copy_if/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/count_if/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/count_if/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/find_end/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/find_end/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/find_first_of/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/find_first_of/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/find_if/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/find_if/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/find_if_not/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/find_if_not/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/for_each/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/for_each/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/is_partitioned/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/is_partitioned/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/is_permutation/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/is_permutation/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/none_of/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/none_of/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/partition/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/partition/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/partition_copy/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/partition_copy/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/partition_point/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/partition_point/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/random_shuffle/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/random_shuffle/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/remove_copy_if/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/remove_copy_if/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/remove_if/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/remove_if/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/replace_copy_if/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/replace_copy_if/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/replace_if/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/replace_if/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/search/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/search/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/search_n/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/search_n/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/stable_partition/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/stable_partition/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/25_algorithms/transform/requirements/explicit_instantiation/2.cc:
Likewise.
* testsuite/25_algorithms/transform/requirements/explicit_instantiation/pod.cc:
Likewise.
* testsuite/27_io/basic_filebuf/underflow/wchar_t/9178.cc: Add
dg-warning.
* testsuite/ext/pb_ds/example/priority_queue_erase_if.cc:
Likewise.
* testsuite/ext/pb_ds/example/priority_queue_split_join.cc:
Likewise.
* testsuite/tr1/3_function_objects/reference_wrapper/typedefs.cc:
Disable deprecated warnings.
* testsuite/tr1/6_containers/hash/requirements/base_classes.cc:
Likewise.
* testsuite/util/regression/trait/erase_if_fn.hpp: Remove
std::unary_function base classes.
* testsuite/util/testsuite_iterators.h (output_iterator_wrapper):
Remove std::iterator base classes.
2022-01-14 Jonathan Wakely <jwakely@redhat.com>
* include/bits/shared_ptr.h (__cpp_lib_shared_ptr_weak_type):
Correct type of macro value.
(shared_ptr): Add additional friend declarations.
(make_shared, allocate_shared): Constrain existing overloads and
remove static_assert.
* include/bits/shared_ptr_base.h (__cpp_lib_smart_ptr_for_overwrite):
New macro.
(_Sp_counted_ptr_inplace<T, Alloc, Lp>): New partial
specialization for use with make_shared_for_overwrite.
(__cpp_lib_shared_ptr_arrays): Update value for C++20.
(_Sp_counted_array_base): New class template.
(_Sp_counted_array): New class template.
(__shared_count(_Tp*&, const _Sp_counted_array_base&, _Init)):
New constructor for allocating shared arrays.
(__shared_ptr(const _Sp_counted_array_base&, _Init)): Likewise.
* include/std/version (__cpp_lib_shared_ptr_weak_type): Correct
type.
(__cpp_lib_shared_ptr_arrays): Update value for C++20.
(__cpp_lib_smart_ptr_for_overwrite): New macro.
* testsuite/20_util/shared_ptr/creation/99006.cc: Adjust
expected errors.
* testsuite/20_util/shared_ptr/creation/array.cc: New test.
* testsuite/20_util/shared_ptr/creation/overwrite.cc: New test.
* testsuite/20_util/shared_ptr/creation/version.cc: New test.
* testsuite/20_util/unique_ptr/creation/for_overwrite.cc: Check
feature test macro. Test non-trivial default-initialization.
2022-01-14 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_construct.h (_Construct, _Construct_novalue):
Also cast away cv-qualifiers when converting pointer to void.
* testsuite/20_util/allocator/void.cc: Test construct function
with cv-qualified types.
2022-01-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103992
* include/bits/stl_iterator.h (common_iterator): Use
std::construct_at instead of placement new.
* testsuite/24_iterators/common_iterator/1.cc: Check copy
construction is usable in constant expressions.
2022-01-14 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2011.xml: Document new tokens
accepted by std::random_device constructor.
* doc/html/manual/status.html: Regenerate.
2022-01-12 Patrick Palka <ppalka@redhat.com>
* testsuite/20_util/to_chars/103955.cc: Add explicit dg-do
directive.
2022-01-12 Patrick Palka <ppalka@redhat.com>
PR libstdc++/103955
* src/c++17/floating_to_chars.cc (__floating_to_chars_hex):
Track the excess precision separately from the effective
precision. Avoid overflow in bounds check by splitting it into
two checks.
(__floating_to_chars_precision): Avoid overflow in bounds checks
similarly.
* testsuite/20_util/to_chars/103955.cc: New test.
2022-01-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103726
* include/Makefile.am: Install <source_location> for
freestanding.
* include/Makefile.in: Regenerate.
* include/std/version (__cpp_lib_source_location): Define for
freestanding.
2022-01-11 Jonathan Wakely <jwakely@redhat.com>
* include/std/ranges (ranges::lazy_split_view::_InnerIter::end()):
Add neoxcept (LWG 3593).
2022-01-11 Jonathan Wakely <jwakely@redhat.com>
* include/std/ranges (ranges::__detail::__box): Add constexpr to
assignment operators (LWG 3572).
* testsuite/std/ranges/adaptors/filter.cc: Check assignment of a
view that uses copyable-box.
2022-01-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103726
* include/Makefile.am: Install <coroutine> for freestanding.
* include/Makefile.in: Regenerate.
* include/std/coroutine: Adjust headers and preprocessor
conditions.
(__coroutine_traits_impl): Use concepts when available.
[_GLIBCXX_HOSTED] (hash<coroutine_handle>): Define.
2022-01-11 Jonathan Wakely <jwakely@redhat.com>
* include/std/ostream (operator<<(basic_ostream&, charT)):
Use unformatted input if no padding is needed.
(operator<<(basic_ostream<char>&, char)): Likewise.
2022-01-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103891
* include/bits/c++config (_GLIBCXX_HAVE_COND_TRIVIAL_SPECIAL_MEMBERS):
Define.
* include/std/variant (__cpp_lib_variant): Only define C++20
value when the compiler is known to support conditionally
trivial destructors.
* include/std/version (__cpp_lib_variant): Likewise.
2022-01-11 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_iterator.h (common_iterator): Add constexpr
to all member functions (LWG 3574).
* testsuite/24_iterators/common_iterator/1.cc: Evaluate some
tests as constant expressions.
* testsuite/24_iterators/common_iterator/2.cc: Likewise.
2022-01-10 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/77760
* include/bits/locale_facets_nonio.h (__time_get_state): New struct.
(time_get::_M_extract_via_format): Declare new method with
__time_get_state& as an extra argument.
* include/bits/locale_facets_nonio.tcc (_M_extract_via_format): Add
__state argument, set various fields in it while parsing. Handle %j,
%U, %w and %W, fix up handling of %y, %Y and %C, don't adjust tm_hour
for %p immediately. Add a wrapper around the method without the
__state argument for backwards compatibility.
(_M_extract_num): Remove all __len == 4 special cases.
(time_get::do_get_time, time_get::do_get_date, time_get::do_get): Zero
initialize __state, pass it to _M_extract_via_format and finalize it
at the end.
(do_get_year): For 1-2 digit parsed years, map 0-68 to 2000-2068,
69-99 to 1969-1999. For 3-4 digit parsed years use that as year.
(get): If do_get isn't overloaded from the locale_facets_nonio.tcc
version, don't call do_get but call _M_extract_via_format instead to
pass around state.
* config/abi/pre/gnu.ver (GLIBCXX_3.4.30): Export _M_extract_via_format
with extra __time_get_state and __time_get_state::_M_finalize_state.
* src/c++98/locale_facets.cc (is_leap, day_of_the_week,
day_of_the_year): New functions in anon namespace.
(mon_yday): New var in anon namespace.
(__time_get_state::_M_finalize_state): Define.
* testsuite/22_locale/time_get/get/char/4.cc: New test.
* testsuite/22_locale/time_get/get/wchar_t/4.cc: New test.
* testsuite/22_locale/time_get/get_year/char/1.cc (test01): Parse 197
as year 197AD instead of error.
* testsuite/22_locale/time_get/get_year/char/5.cc (test01): Parse 1 as
year 2001 instead of error.
* testsuite/22_locale/time_get/get_year/char/6.cc: New test.
* testsuite/22_locale/time_get/get_year/wchar_t/1.cc (test01): Parse
197 as year 197AD instead of error.
* testsuite/22_locale/time_get/get_year/wchar_t/5.cc (test01): Parse
1 as year 2001 instead of error.
* testsuite/22_locale/time_get/get_year/wchar_t/6.cc: New test.
2022-01-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103866
* acinclude.m4 (GLIBCXX_COMPUTE_STDIO_INTEGER_CONSTANTS): Do
nothing for freestanding builds.
(GLIBCXX_ENABLE_HOSTED): Define FREESTANDING_FLAGS.
* configure.ac: Do not use AC_LIBTOOL_DLOPEN when configured
with --without-headers. Do not use GCC_HEADER_STDINT for
freestanding builds.
* libsupc++/Makefile.am (HOSTED_CXXFLAGS): Use -ffreestanding
for freestanding builds.
* configure: Regenerate.
* Makefile.in: Regenerate.
* doc/Makefile.in: Regenerate.
* include/Makefile.in: Regenerate.
* libsupc++/Makefile.in: Regenerate.
* po/Makefile.in: Regenerate.
* python/Makefile.in: Regenerate.
* 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.
* src/filesystem/Makefile.in: Regenerate.
* testsuite/Makefile.in: Regenerate.
2022-01-10 Jonathan Wakely <jwakely@redhat.com>
* testsuite/28_regex/algorithms/regex_replace/char/103664.cc:
Add dg-timeout-factor directive.
* testsuite/28_regex/basic_regex/84110.cc: Likewise.
* testsuite/28_regex/basic_regex/ctors/char/other.cc: Likewise.
* testsuite/28_regex/match_results/102667.cc: Likewise.
2022-01-10 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/using.xml: Update documentation around default
-std option.
* doc/html/*: Regenerate.
2022-01-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/100017
* src/c++17/Makefile.am (AM_CXXFLAGS): Add -nostdinc++.
* src/c++17/Makefile.in: Regenerate.
2022-01-09 Sandra Loosemore <sandra@codesourcery.com>
* testsuite/18_support/type_info/constexpr.cc: Add explicit
-fdelete-null-pointer-checks option.
2022-01-06 Pavel I. Kryukov <pavel.kryukov@phystech.edu>
Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103853
* include/bits/forward_list.tcc (forward_list::merge): Check for
self-merge.
* testsuite/23_containers/forward_list/operations/merge.cc: New test.
2022-01-06 Jonathan Wakely <jwakely@redhat.com>
* include/bits/regex.h (basic_regex, match_results): Qualify
name in friend declaration, to work around Clang bug.
2022-01-06 Jonathan Wakely <jwakely@redhat.com>
* testsuite/ext/rope/pthread7-rope.cc: Add dg-timeout-factor.
2022-01-06 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103911
* include/std/charconv (__from_chars_alpha_to_num): Return
char instead of unsigned char. Change invalid return value to
127 instead of using numeric trait.
(__from_chars_alnum): Fix comment. Do not use std::isdigit.
Change type of variable to char.
2022-01-05 Franﾃｧois Dumont <fdumont@gcc.gnu.org>
PR libstdc++/68303
* include/bits/hashtable_policy.h
(_Hashtable_hash_traits<_Hash>): New.
(_Hash_code_base<>::_M_hash_code(const _Hash_node_value<>&)): New.
(_Hashtable_base<>::_M_key_equals): New.
(_Hashtable_base<>::_M_equals): Use latter.
(_Hashtable_base<>::_M_key_equals_tr): New.
(_Hashtable_base<>::_M_equals_tr): Use latter.
* include/bits/hashtable.h
(_Hashtable<>::__small_size_threshold()): New, use _Hashtable_hash_traits.
(_Hashtable<>::find): Loop through elements to look for key if size is lower
than __small_size_threshold().
(_Hashtable<>::_M_emplace(true_type, _Args&&...)): Likewise.
(_Hashtable<>::_M_insert_unique(_Kt&&, _Args&&, const _NodeGenerator&)): Likewise.
(_Hashtable<>::_M_compute_hash_code(const_iterator, const key_type&)): New.
(_Hashtable<>::_M_emplace(const_iterator, false_type, _Args&&...)): Use latter.
(_Hashtable<>::_M_find_before_node(const key_type&)): New.
(_Hashtable<>::_M_erase(true_type, const key_type&)): Use latter.
(_Hashtable<>::_M_erase(false_type, const key_type&)): Likewise.
* src/c++11/hashtable_c++0x.cc: Include <bits/functional_hash.h>.
* testsuite/util/testsuite_performance.h
(report_performance): Use 9 width to display memory.
* testsuite/performance/23_containers/insert_erase/unordered_small_size.cc:
New performance test case.
2022-01-05 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103919
* include/bits/basic_string.h (basic_string(const T&, size_t, size_t)):
Relax constraints on string_view parameter.
* include/bits/cow_string.h (basic_string(const T&, size_t, size_t)):
Likewise.
* testsuite/21_strings/basic_string/cons/char/103919.cc: New test.
2022-01-05 Jonathan Wakely <jwakely@redhat.com>
* config/abi/pre/gnu.ver (GLIBCXX_3.4.30): Export new symbol for
ARM EABI.
* include/bits/c++config (_GLIBCXX23_CONSTEXPR): Define.
* include/std/version (__cpp_lib_constexpr_typeinfo): Define.
* libsupc++/tinfo.cc: Add #error to ensure non-inline definition
is emitted.
(type_info::__equal): Define alias symbol.
* libsupc++/typeinfo (type_info::before): Combine different
implementations into one.
(type_info::operator==): Likewise. Use address equality for
constant evaluation. Call __equal for targets that require the
definition to be non-inline.
* testsuite/18_support/type_info/constexpr.cc: New test.
2022-01-05 Jonathan Wakely <jwakely@redhat.com>
* src/c++11/cxx11-ios_failure.cc (io_error_category): Define
class and virtual functions as 'final'.
(io_category_instance): Use constinit union to make the object
immortal.
* src/c++11/future.cc (future_error_category): Define class and
virtual functions as 'final'.
(future_category_instance): Use constinit union.
2022-01-05 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py (StdErrorCodePrinter): Strip
versioned namespace from the type name that is printed.
2022-01-05 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py (StdRegexStatePrinter): New
printer for std::regex NFA states.
2022-01-05 Jonathan Wakely <jwakely@redhat.com>
* testsuite/23_containers/forward_list/operations/1.cc: Fill in
placeholders in comments.
* testsuite/23_containers/forward_list/operations/2.cc:
Likewise.
* testsuite/23_containers/forward_list/operations/3.cc:
Likewise.
* testsuite/23_containers/forward_list/operations/4.cc:
Likewise.
* testsuite/23_containers/forward_list/operations/5.cc:
Likewise.
* testsuite/23_containers/forward_list/operations/6.cc:
Likewise.
* testsuite/23_containers/forward_list/operations/7.cc:
Likewise.
2022-01-05 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103848
* include/bits/stl_deque.h (operator-): Do not use 0 as null
pointer constant.
2022-01-05 Jonathan Wakely <jwakely@redhat.com>
* include/bits/alloc_traits.h (allocator_traits<allocator<void>>):
Use std::_Construct for construct.
2022-01-05 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103877
* doc/xml/faq.xml: Add '-x c++' to preprocessor command.
* doc/html/faq.html: Regenerate.
2022-01-05 Jonathan Wakely <jwakely@redhat.com>
* include/bits/regex.h (__regex_algo_impl): Change __policy and
__match_mode template parameters to be function parameters.
(regex_match, regex_search): Pass policy and match mode as
function arguments.
* include/bits/regex.tcc (__regex_algo_impl): Change template
parameters to function parameters.
* include/bits/regex_compiler.h (_RegexTranslatorBase): Use
'if constexpr' for conditions using template parameters.
(_RegexTranslator): Likewise.
* include/bits/regex_executor.tcc (_Executor::_M_handle_accept):
Likewise.
* testsuite/util/testsuite_regex.h (regex_match_debug)
(regex_search_debug): Move template arguments to function
arguments.
2022-01-05 Jonathan Wakely <jwakely@redhat.com>
* testsuite/util/testsuite_regex.h (regex_match_debug): Compare
results even if the match failed.
2022-01-05 Jonathan Wakely <jwakely@redhat.com>
* include/bits/regex_compiler.tcc: Adjust all calls to
__throw_regex_error.
* include/bits/regex_error.h (__throw_regex_error): Add noreturn
attribute.
* include/bits/regex_scanner.tcc: Likewise.
* src/c++11/regex.cc (desc): New helper function.
(regex_error::regex_error(error_type)): Use desc to get a string
corresponding to the error code.
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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.