blob: afcfda04cffd6e4cadf9e69ecee59f017309457c [file] [log] [blame]
2019-12-30 Corentin Gay <gay@adacore.com>
* acinclude.m4 (vxworks*): New entry. Set ac_has_nanosleep=yes.
* configure: Regenerate.
2019-12-30 Jerome Lambourg <lambourg@adacore.com>
Olivier Hainque <hainque@adacore.com>
* config/os/vxworks/os_defines.h
(NOMINMAX): Always redefine to 1.
(_NO_CPP_INLINES): Likewise.
(_GLIBCXX_USE_WEAK_REF): Define to 1 for RTP on
VxWorks >= 7, to 0 otherwise.
(_GLIBCXX_HAVE_TLS): Define to 1.
For VxWorks >= 7:
(_GLIBCXX_USE_C99_MATH): Define to 1.
(_GLIBCXX_USE_C99_MATH_FP_MACROS_DYNAMIC): Define to 0.
(_HAS_TR1_DECLARATIONS): Redefine to 0.
For VxWorks < 7, RTP:
(_GLIBCXX_INCLUDE_NEXT_C_HEADERS): Define to 1.
(_GLIBCXX_USE_C99_FP_MACROS_DYNAMIC): Redefine to 1.
(__CORRECT_ISO_CPP11_MATH_H_PROTO_FP): Define.
For VxWorks < 7, kernel: #include <vxWorks.h>
2019-12-25 Alexandre Oliva <oliva@adacore.com>
* crossconfig.m4 (GLIBCXX_CROSSCONFIG) [*-vxworks*]: Define
long double functions as available if declared by math.h.
(GLIBCXX_CHECK_MATH_DECL, GLIBCXX_CHECK_MATH_DECLS): New.
* configure: Rebuild.
2019-12-20 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/92927
* include/bits/alloc_traits.h (__alloc_on_copy, __alloc_on_move)
(__alloc_on_swap): Add inline specifier.
2019-12-20 Jerome Lambourg <lambourg@adacore.com>
* acinclude.m4 (GLIBCXX_CHECK_SETRLIMIT): Test with AC_LANG_CPLUSPLUS.
* configure: Regenerate.
2019-12-20 François Dumont <fdumont@gcc.gnu.org>
* testsuite/23_containers/map/48101_neg.cc: Add versioned namespace
pattern to tested error message.
* testsuite/23_containers/multimap/48101_neg.cc: Likewise.
* testsuite/30_threads/headers/stop_token/synopsis.cc: Add
dg-require-normal-namepace.
* python/libstdcxx/v6/printers.py (lookup_node_type): Remove redundant
call to lookup_node_type.
* testsuite/libstdc++-prettyprinters/80276.cc: Define
_GLIBCXX_USE_CXX11_ABI to 0.
* testsuite/libstdc++-prettyprinters/91997.cc: Use regexp-test to check
'a' content.
2019-12-20 Jerome Lambourg <lambourg@adacore.com>
* acinclude.m4 (_GLIBCXX_USE_PTHREAD_RWLOCK_T): Checks that _PTHREADS
is defined after including gthr.h.
* configure: Regenerate.
2019-12-12 Jonathan Wakely <jwakely@redhat.com>
* libsupc++/compare (common_comparison_category): Define without using
concepts and optimise for compilation time.
(__detail::__cmp_cat_ids): Remove.
(__detail::__common_cmp_cat): Replace class template and
specializations with constexpr function.
2019-12-12 François Dumont <fdumont@gcc.gnu.org>
* include/tr1/cctype: Add _GLIBCXX_BEGIN_VERSION_NAMESPACE and
_GLIBCXX_END_VERSION_NAMESPACE.
* include/tr1/cfenv: Likewise.
* include/tr1/cinttypes: Likewise.
* include/tr1/cstdint: Likewise.
* include/tr1/cstdio: Likewise.
* include/tr1/cstdlib: Likewise.
* include/tr1/cwchar: Likewise.
* include/tr1/cwctype: Likewise.
* src/c++11/random.cc: Include <cctype>.
(random_devise::_M_init_pretr1): Qualify isdigit call.
2019-12-10 Thomas Rodgers <trodgers@redhat.com>
* include/pstl/glue_numeric_defs.h: Restore enable_if lost during
original import of pstl.
* include/pstl/glue_numeric_impl.h: Likewise.
2019-12-10 Jonathan Wakely <jwakely@redhat.com>
(span(ContiguousIterator, Sentinel)): Add conditional noexcept.
* include/std/span (span(ContiguousIterator, size_type)): Change
noexcept to be unconditionally true.
* testsuite/23_containers/span/nothrow_cons.cc: New test.
2019-12-10 François Dumont <fdumont@gcc.gnu.org>
* include/bits/stl_algobase.h
(__copy_move_a1<>(_II, _II, _OI)): New.
(__copy_move_a1<>(_Deque_iterator<>, _Deque_iterator<>, _OI)): New.
(__copy_move_a1<>(_Deque_iterator<>, _Deque_iterator<>,
_Deque_iterator<>)): New.
(__copy_move_a1<>(_II, _II, _Deque_iterator<>)): New.
(__copy_move_a<>(_II, _II, _OI)): Adapt, call __copy_move_a1<>.
(__copy_move_a<>(const _Safe_iterator<>&, const _Safe_iterator<>&,
_OI)): New.
(__copy_move_a<>(const _Safe_iterator<>&, const _Safe_iterator<>&,
const _Safe_iterator<>&)): New.
(__copy_move_a<>(_II, _II, const _Safe_iterator<>&)): New.
(copy, move): Adapt, call __copy_move_a.
(__copy_move_backward_a1<>(_II, _II, _OI)): New,
call __copy_move_backward_a2.
(__copy_move_backward_a1<>(_Deque_iterator<>, _Deque_iterator<>, _OI)): New.
(__copy_move_backward_a1<>(_Deque_iterator<>, _Deque_iterator<>,
_Deque_iterator<>)): New.
(__copy_move_backward_a1<>(_II, _II, _Deque_iterator<>)): New.
(__copy_move_backward_a<>(_II, _II, _OI)): Adapt, call
__copy_move_backward_a1<>.
(__copy_move_backward_a<>(const _Safe_iterator<>&, const _Safe_iterator<>&,
_OI)): New.
(__copy_move_backward_a<>(const _Safe_iterator<>&, const _Safe_iterator<>&,
const _Safe_iterator<>&)): New.
(__copy_move_backward_a<>(_II, _II, const _Safe_iterator<>&)): New.
(copy_backward, move_backward): Adapt, call __copy_move_backward_a<>.
(__fill_a): Rename into...
(__fill_a1): ... this.
(__fill_a1(__normal_iterator<>, __normal_iterator<>, const _Tp&)): New.
(__fill_a1(const _Deque_iterator<>&, const _Deque_iterator<>&, _VTp)):
New.
(__fill_a(_FIte, _FIte, const _Tp&)): New, call __fill_a1.
(__fill_a(const _Safe_iterator<>&, const _Safe_iterator<>&,
const _Tp&)): New.
(fill): Adapt, remove __niter_base usage.
(__fill_n_a): Rename into...
(__fill_n_a1): ...this.
(__fill_n_a(const _Safe_iterator<>&, _Size, const _Tp&,
input_iterator_tag)): New.
(__fill_n_a(_OI, _Size, const _Tp&, output_iterator_tag)): New, call
__fill_n_a1.
(__fill_n_a(_OI, _Size, const _Tp&, random_access_iterator_tag)): New,
call __fill_a.
(__equal_aux): Rename into...
(__equal_aux1): ...this.
(__equal_aux1(_Deque_iterator<>, _Deque_iterator<>, _OI)): New.
(__equal_aux1(_Deque_iterator<>, _Deque_iterator<>,
_Deque_iterator<>)): New.
(__equal_aux1(_II, _II, _Deque_iterator<>)): New.
(__equal_aux(_II1, _II1, _II2)): New, call __equal_aux1.
(__equal_aux(const _Safe_iterator<>&, const _Safe_iterator<>&,
_OI)): New.
(__equal_aux(const _Safe_iterator<>&, const _Safe_iterator<>&,
const _Safe_iterator<>&)): New.
(__equal_aux(_II, _II, const _Safe_iterator<>&)): New.
(equal(_II1, _II1, _II2)): Adapt.
* include/bits/stl_deque.h
(fill, copy, copy_backward, move, move_backward): Remove.
* include/bits/deque.tcc: Include <bits/stl_algobase.h>.
(__fill_a1): New.
(__copy_move_dit): New.
(__copy_move_a1): New, use latter.
(__copy_move_a1(_II, _II, _Deque_iterator<>)): New.
(__copy_move_backward_dit): New.
(__copy_move_backward_a1): New, use latter.
(__copy_move_backward_a1(_II, _II, _Deque_iterator<>)): New.
(__equal_dit): New.
(__equal_aux1): New, use latter.
(__equal_aux1(_II, _II, _Deque_iterator<>)): New.
* include/std/numeric (__is_random_access_iter): Move...
* include/bits/stl_iterator_base_types.h (__is_random_access_iter): ...
here. Provide pre-C++11 definition.
* include/debug/debug.h (_Safe_iterator<>): New declaration.
* include/debug/safe_iterator.h (_Safe_iterator<>::_M_can_advance): Add
__strict parameter.
* include/debug/safe_iterator.tcc: Include <bits/stl_algobase.h>.
(_Safe_iterator<>::_M_can_advance): Adapt.
(std::__copy_move_a, std::__copy_move_backward_a, __fill_a): New.
(__fill_n_a, __equal_aux): New.
* include/debug/stl_iterator.h (__niter_base): Remove.
* include/debug/vector (__niter_base): Remove.
* testsuite/performance/25_algorithms/copy_backward_deque_iterators.cc:
Include <vector> and <list>. Add benches.
* testsuite/performance/25_algorithms/copy_deque_iterators.cc: Likewise.
* testsuite/performance/25_algorithms/equal_deque_iterators.cc: Likewise.
* testsuite/25_algorithms/copy/debug/1_neg.cc: New.
* testsuite/25_algorithms/copy/deque_iterators/2.cc: New.
* testsuite/25_algorithms/copy/deque_iterators/31.cc: New.
* testsuite/25_algorithms/copy/deque_iterators/32.cc: New.
* testsuite/25_algorithms/copy/deque_iterators/33.cc: New.
* testsuite/25_algorithms/copy/deque_iterators/41.cc: New.
* testsuite/25_algorithms/copy/deque_iterators/42.cc: New.
* testsuite/25_algorithms/copy/deque_iterators/43.cc: New.
* testsuite/25_algorithms/copy/streambuf_iterators/char/4.cc (test02):
New.
* testsuite/25_algorithms/copy_backward/deque_iterators/2.cc: New.
* testsuite/25_algorithms/equal/deque_iterators/1.cc: New.
* testsuite/25_algorithms/fill/deque_iterators/1.cc: New.
* testsuite/25_algorithms/move/deque_iterators/2.cc: New.
* testsuite/25_algorithms/move_backward/deque_iterators/2.cc: New.
2019-12-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/92886
* include/bits/ios_base.h (std::ios_base::trunc): Fix comment.
* include/std/complex (__cpp_lib_constexpr_complex): Define.
* include/std/version (__cpp_lib_constexpr_complex): Likewise.
* testsuite/26_numerics/complex/1.cc: New test.
* testsuite/26_numerics/complex/2.cc: New test.
* include/std/span: Do not include <tuple> and <utility>.
(tuple_size, tuple_element): Declare.
* include/bits/iterator_concepts.h (indirect_result_t): Do not apply
iter_reference_t to parameter pack.
* testsuite/24_iterators/indirect_callable/projected.cc: New test.
2019-12-09 Jonathan Wakely <jwakely@redhat.com>
* include/bits/range_access.h (ranges::enable_safe_range): Define.
(ranges::begin, ranges::end, ranges::rbegin, ranges::rend): Constrain
to only accept types satisfying safe_range and treat argument as an
lvalue when calling a member of performing ADL.
(ranges::__detail::__range_impl, ranges::__detail::__forwarding_range):
Remove.
(ranges::range): Adjust definition.
(ranges::safe_range): Define.
(ranges::iterator_t, ranges::range_difference_t): Reorder definitions
to match the synopsis in the working draft.
(ranges::disable_sized_range): Remove duplicate definition.
* include/experimental/string_view (ranges::enable_safe_range): Add
partial specialization for std::experimental::basic_string_view.
* include/std/ranges (ranges::viewable_range, ranges::subrange)
(ranges::empty_view, ranges::iota_view): Use safe_range. Specialize
enable_safe_range.
(ranges::safe_iterator_t, ranges::safe_subrange_t): Define.
* include/std/span (ranges::enable_safe_range): Add partial
specialization for std::span.
* include/std/string_view (ranges::enable_safe_range): Likewise for
std::basic_string_view.
* testsuite/std/ranges/access/begin.cc: Adjust expected results.
* testsuite/std/ranges/access/cbegin.cc: Likewise.
* testsuite/std/ranges/access/cdata.cc: Likewise.
* testsuite/std/ranges/access/cend.cc: Likewise.
* testsuite/std/ranges/access/crbegin.cc: Likewise.
* testsuite/std/ranges/access/crend.cc: Likewise.
* testsuite/std/ranges/access/data.cc: Likewise.
* testsuite/std/ranges/access/end.cc: Likewise.
* testsuite/std/ranges/access/rbegin.cc: Likewise.
* testsuite/std/ranges/access/rend.cc: Likewise.
* testsuite/std/ranges/empty_view.cc: Test ranges::begin and
ranges::end instead of unqualified calls to begin and end.
* testsuite/std/ranges/safe_range.cc: New test.
* testsuite/std/ranges/safe_range_types.cc: New test.
* testsuite/util/testsuite_iterators.h: Add comment about safe_range.
* testsuite/27_io/filesystem/path/concat/strings.cc: Test more cases.
PR libstdc++/92853
* src/c++17/fs_path.cc (filesystem::path::operator+=(const path&)):
Do not process a trailing directory separator twice.
* testsuite/27_io/filesystem/path/concat/92853.cc: New test.
* testsuite/27_io/filesystem/path/concat/path.cc: Test more cases.
2019-12-09 François Dumont <fdumont@gcc.gnu.org>
* testsuite/23_containers/array/tuple_interface/get_debug_neg.cc:
Fix static_assert line number.
* testsuite/23_containers/array/tuple_interface/
tuple_element_debug_neg.cc: Likewise.
2019-12-07 Andrew Pinski <apinski@marvell.com>
* config/cpu/aarch64/opt/ext/opt_random.h: Wrap around with check
for little-endian like ext/random is done.
2019-12-05 Jonathan Wakely <jwakely@redhat.com>
* testsuite/23_containers/span/lwg3255.cc: Fix test. Constructing a
span of non-const elements should not be possible from a const array
or an array of const elements.
2019-12-05 JeanHeyd "ThePhD" Meneide <phdofthehouse@gmail.com>
Implement P1872R0 and P1394R0 for std::span
* include/bits/range_access.h (__adl_begin, __adl_end): Remove.
(sentinel_t, range_value_t, range_reference_t)
(range_rvalue_reference_t, __forwarding_range, disable_sized_range)
(output_range, input_range, forward_range, bidirectional_range)
(random_access_range, contiguous_range, common_range): Move here from
<ranges>, to make this the "ranges lite" internal header.
* include/std/ranges: Move basic aliases and concepts to
<bits/range_access.h>.
* include/std/span: Use concepts and ranges:: calls instead of
enable_if and friends.
* include/std/type_traits: Add __is_array_convertible trait.
2019-12-05 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_algobase.h (lexicographical_compare_three_way):
Define for C++20.
* testsuite/25_algorithms/lexicographical_compare_three_way/1.cc: New
test.
* testsuite/25_algorithms/lexicographical_compare_three_way/
constexpr.cc: New test.
* python/libstdcxx/v6/printers.py (StdCmpCatPrinter): New printer.
* testsuite/libstdc++-prettyprinters/cxx20.cc: New test.
* include/bits/cpp_type_traits.h (__is_byte<char8_t>): Add
specialization.
* include/std/array (operator<=>): Likewise.
* testsuite/23_containers/array/comparison_operators/constexpr.cc:
Test three-way comparisons and arrays of unsigned char.
* testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust
dg-error line numbers.
2019-12-03 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_pair.h [__cpp_lib_three_way_comparison]
(operator<=>): Define for C++20.
* libsupc++/compare (__cmp2way_res_t): Rename to __cmp3way_res_t,
move into __detail namespace. Do not turn argument types into lvalues.
(__cmp3way_helper): Rename to __cmp3way_res_impl, move into __detail
namespace. Constrain with concepts instead of using void_t.
(compare_three_way_result): Adjust name of base class.
(compare_three_way_result_t): Use __cmp3way_res_impl directly.
(__detail::__3way_cmp_with): Add workaround for PR 91073.
(compare_three_way): Use workaround.
(__detail::__synth3way, __detail::__synth3way_t): Define new helpers
implementing synth-three-way and synth-three-way-result semantics.
* testsuite/20_util/pair/comparison_operators/constexpr_c++20.cc: New
test.
* include/bits/stl_pair.h (pair): Remove stray Doxygen closing marker.
* testsuite/util/slow_clock.h: Fix copyright date.
2019-12-02 Mike Crowe <mac@mcrowe.com>
Fix try_lock_until and try_lock_shared_until on arbitrary clock
* include/std/shared_mutex (shared_timed_mutex::try_lock_until)
(shared_timed_mutex::try_lock_shared_until): Loop until the absolute
timeout time is reached as measured against the appropriate clock.
* testsuite/30_threads/shared_timed_mutex/try_lock_until/1.cc: New
file. Test try_lock_until and try_lock_shared_until timeouts against
various clocks.
* testsuite/30_threads/shared_timed_mutex/try_lock_until/1.cc: New
file. Test try_lock_until and try_lock_shared_until timeouts against
various clocks.
Add full steady_clock support to shared_timed_mutex
* acinclude.m4 (GLIBCXX_CHECK_PTHREAD_RWLOCK_CLOCKLOCK): Define
to check for the presence of both pthread_rwlock_clockrdlock and
pthread_rwlock_clockwrlock.
* config.h.in: Regenerate.
* configure.ac: Call GLIBCXX_USE_PTHREAD_RWLOCK_CLOCKLOCK.
* configure: Regenerate.
* include/std/shared_mutex (shared_timed_mutex): Define __clock_t as
the best clock to use for relative waits.
(shared_timed_mutex::try_lock_for) Round up wait duration if necessary.
(shared_timed_mutex::try_lock_shared_for): Likewise.
(shared_timed_mutex::try_lock_until): Use existing try_lock_until
implementation for system_clock (which matches __clock_t when
_GLIBCCXX_USE_PTHREAD_RWLOCK_CLOCKLOCK is not defined). Add new
overload for steady_clock that uses pthread_rwlock_clockwrlock if it
is available. Simplify overload for non-standard clock to just call
try_lock_for with a relative timeout.
(shared_timed_mutex::try_lock_shared_until): Likewise.
PR libstdc++/91906 Fix timed_mutex::try_lock_until on arbitrary clock
* include/std/mutex (__timed_mutex_impl::_M_try_lock_until): Loop
until the absolute timeout time is reached as measured against the
appropriate clock.
* testsuite/util/slow_clock.h: New file. Move implementation of
slow_clock test class.
* testsuite/30_threads/condition_variable/members/2.cc: Include
slow_clock from header.
* testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Convert
existing test to templated function so that it can be called with
both system_clock and steady_clock.
* testsuite/30_threads/timed_mutex/try_lock_until/3.cc: Also run test
using slow_clock to test above fix.
* testsuite/30_threads/recursive_timed_mutex/try_lock_until/3.cc:
Likewise.
* testsuite/30_threads/recursive_timed_mutex/try_lock_until/4.cc: Add
new test that try_lock_until behaves as try_lock if the timeout has
already expired or exactly matches the current time.
PR libstdc++/78237 Add full steady_clock support to timed_mutex
* acinclude.m4 (GLIBCXX_CHECK_PTHREAD_MUTEX_CLOCKLOCK): Define to
detect presence of pthread_mutex_clocklock function.
* config.h.in: Regenerate.
* configure: Regenerate.
* configure.ac: Call GLIBCXX_CHECK_PTHREAD_MUTEX_CLOCKLOCK.
* include/std/mutex (__timed_mutex_impl): Remove unnecessary __clock_t.
(__timed_mutex_impl::_M_try_lock_for): Use best clock to turn relative
timeout into absolute timeout.
(__timed_mutex_impl::_M_try_lock_until): Keep existing implementation
for system_clock. Add new implementation for steady_clock that calls
_M_clocklock. Modify overload for user-defined clock to use a relative
wait so that it automatically uses the best clock.
[_GLIBCXX_USE_PTHREAD_MUTEX_CLOCKLOCK] (timed_mutex::_M_clocklock):
New member function.
(recursive_timed_mutex::_M_clocklock): Likewise.
* testsuite/30_threads/recursive_timed_mutex/try_lock_until/3.cc:
New test. Ensure that timed_mutex::try_lock_until actually times out
after the specified time when using both system_clock and
steady_clock.
* testsuite/30_threads/timed_mutex/try_lock_until/3.cc: New test.
Likewise but for recursive_timed_mutex.
* testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Template
test functions and use them to test both steady_clock and system_clock.
* testsuite/30_threads/unique_lock/locking/4.cc: Likewise. Wrap call
to timed_mutex::try_lock_until in VERIFY macro to check its return
value.
2019-11-30 Jonathan Wakely <jwakely@redhat.com>
* acinclude.m4 (GLIBCXX_ENABLE_FILESYSTEM_TS): Enable by default for
mingw targets.
* configure: Regenerate.
* include/bits/fs_path.h (u8path(InputIterator, InputIterator))
(u8path(const Source&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Simplify
conditions.
* include/experimental/bits/fs_path.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
(__u8path(const Source&, char)): Add overloads for std::string and
types convertible to std::string.
(_Cvt::_S_wconvert): Add a new overload for char8_t strings and use
codecvt_utf8_utf16 to do the correct conversion.
2019-11-29 Jonathan Wakely <jwakely@redhat.com>
* include/bits/fs_path.h (path::operator/=): Change template-head to
use typename instead of class.
* include/experimental/bits/fs_path.h (path::operator/=): Likewise.
* include/std/ostream (operator<<): Likewise.
2019-11-29 Tom Honermann <tom@honermann.net>
New tests
* testsuite/27_io/basic_ostream/inserters_character/char/deleted.cc:
New test to validate deleted overloads of character and string
inserters for narrow ostreams.
* testsuite/27_io/basic_ostream/inserters_character/wchar_t/deleted.cc:
New test to validate deleted overloads of character and string
inserters for wide ostreams.
* testsuite/27_io/filesystem/path/factory/u8path-char8_t.cc: New test
to validate u8path invocations with sequences of char8_t.
* testsuite/experimental/filesystem/path/factory/u8path-char8_t.cc:
New test to validate u8path invocations with sequences of char8_t.
Updates to existing tests
* testsuite/experimental/feat-char8_t.cc: Updated the expected
__cpp_lib_char8_t feature test macro value.
* testsuite/27_io/filesystem/path/factory/u8path.cc: Added testing of
u8path invocation with std::string, std::string_view, and iterators
thereof.
* testsuite/experimental/filesystem/path/factory/u8path.cc: Added
testing of u8path invocation with std::string, std::string_view, and
iterators thereof.
Update feature test macro, add deleted operators, update u8path
* include/bits/c++config: Bumped the value of the __cpp_lib_char8_t
feature test macro.
* include/bits/fs_path.h (u8path): Modified u8path to accept sequences
of char8_t.
* include/experimental/bits/fs_path.h (u8path): Modified u8path to
accept sequences of char8_t.
* include/std/ostream: Added deleted overloads of wchar_t, char8_t,
char16_t, and char32_t for ordinary and wide formatted character and
string inserters.
Decouple constraints for u8path from path constructors
* include/bits/fs_path.h: Moved helper utilities out of
std::filesystem::path into a detail namespace to make them
available for use by u8path.
* include/experimental/bits/fs_path.h: Moved helper utilities out
of std::experimental::filesystem::v1::path into a detail
namespace to make them available for use by u8path.
2019-11-29 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91997
* python/libstdcxx/v6/printers.py (find_type): Fail more gracefully
if we run out of base classes to look at.
(lookup_templ_spec, lookup_node_type): New utilities to find node
types for node-based containers.
(StdListPrinter.children, NodeIteratorPrinter.__init__)
(NodeIteratorPrinter.to_string, StdSlistPrinter.children)
(StdSlistIteratorPrinter.to_string, StdRbtreeIteratorPrinter.__init__)
(StdMapPrinter.children, StdSetPrinter.children)
(StdForwardListPrinter.children): Use lookup_node_type instead of
find_type.
(StdListIteratorPrinter.__init__, StdFwdListIteratorPrinter.__init__):
Pass name of node type to NodeIteratorPrinter constructor.
(Tr1HashtableIterator.__init__): Rename argument.
(StdHashtableIterator.__init__): Likewise. Use lookup_templ_spec
instead of find_type.
* testsuite/libstdc++-prettyprinters/59161.cc: Remove workaround for
_Node typedef not being present in debuginfo.
* testsuite/libstdc++-prettyprinters/91997.cc: New test.
2019-11-26 François Dumont <fdumont@gcc.gnu.org>
* include/debug/helper_functions.h (__valid_range_aux): Use C++98
std::input_iterator_tag default constructor invocation.
* include/debug/array (array<>::fill): Add C++20 constexpr.
(array<>::swap): Likewise.
* include/debug/safe_iterator.h
[__cpp_lib_concepts](_Safe_iterator<>::iterator_concept): Define for
C++20.
2019-11-25 Jonathan Wakely <jwakely@redhat.com>
* include/bits/iterator_concepts.h (ranges::iter_swap): Fix parameter
types of poison pill overload. Use remove_reference_t when checking
constraints.
* include/bits/stl_iterator.h (move_sentinel): Define for C++20.
(move_iterator): Adjust definitions of nested types for C++20. Add
hidden friends for move_sentinel operations, iter_move and iter_swap.
(common_iterator, counted_iterator): Define for C++20.
* testsuite/24_iterators/move_iterator/cust.cc: New test.
* testsuite/24_iterators/move_iterator/sentinel.cc: New test.
* testsuite/24_iterators/common_iterator/1.cc: New test.
* testsuite/24_iterators/counted_iterator/1.cc: New test.
PR libstdc++/91786
* include/bits/fs_path.h (filesystem_error): Move definition before
the use in u8path.
2019-11-24 François Dumont <fdumont@gcc.gnu.org>
* include/debug/functions.h: Remove <bits/move.h> include.
(__check_singular_aux, __check_singular): Move...
* include/debug/helper_functions.h:
(__check_singular_aux, __check_singular): ...here.
(__valid_range_aux): Adapt to use latter.
* testsuite/25_algorithms/copy/debug/2_neg.cc: New.
2019-11-20 Janne Blomqvist <jb@gcc.gnu.org>
* doc/html/api.html: Use https for gcc.gnu.org.
* doc/xml/api.xml: Likewise.
2019-11-19 Jonathan Wakely <jwakely@redhat.com>
* include/bits/regex.h (ranges::__detail::__enable_view_impl): Fix
declaration.
* include/bits/stl_multiset.h (ranges::__detail::__enable_view_impl):
Likewise.
* include/bits/stl_set.h (ranges::__detail::__enable_view_impl):
Likewise.
* include/bits/unordered_set.h (ranges::__detail::__enable_view_impl):
Likewise.
* include/debug/multiset.h (ranges::__detail::__enable_view_impl):
Likewise.
* include/debug/set.h (ranges::__detail::__enable_view_impl): Likewise.
* include/debug/unordered_set (ranges::__detail::__enable_view_impl):
Likewise.
2019-11-18 Jonathan Wakely <jwakely@redhat.com>
* include/std/thread: Reduce header dependencies.
(jthread::get_id()): Add missing return.
(jthread::get_stop_token()): Avoid unnecessary stop_source temporary.
(jthread::_S_create): Check is_invocable using decayed types. Add
static assertion.
* testsuite/30_threads/jthread/1.cc: Add dg-require-gthreads.
* testsuite/30_threads/jthread/2.cc: Likewise.
* testsuite/30_threads/jthread/3.cc: New test.
* testsuite/30_threads/jthread/jthread.cc: Add missing directives for
pthread and gthread support. Use VERIFY instead of assert.
* include/bits/alloc_traits.h (allocator_traits::construct)
(allocator_traits::destroy, allocator_traits::max_size): Add unused
attributes to parameters that are not used in C++20.
* include/std/bit (__ceil2): Add braces around assertion to avoid
-Wmissing-braces warning.
2019-11-16 Edward Smith-Rowland <3dw4rd@verizon.net>
Repair the <tuple> part of C++20 p1032 Misc constexpr bits.
* include/bits/uses_allocator.h (__uses_alloc0::_Sink::operaror=)
(__use_alloc(const _Alloc&)) : Constexpr.
2019-11-17 Jonathan Wakely <jwakely@redhat.com>
* include/std/string_view (basic_string_view(It, End)): Add range
constructor and deduction guide from P1391R4.
* testsuite/21_strings/basic_string_view/cons/char/range.cc: New test.
* include/bits/regex.h (match_results): Specialize __enable_view_impl.
* include/bits/stl_set.h (set): Likewise.
* include/bits/unordered_set.h (unordered_set, unordered_multiset):
Likewise.
* include/debug/multiset.h (__debug::multiset): Likewise.
* include/debug/set.h (__debug::set): Likewise.
* include/debug/unordered_set (__debug::unordered_set)
(__debug::unordered_multiset): Likewise.
* include/std/ranges (ranges::view, ranges::enable_view)
(ranges::view_interface, ranges::subrange, ranges::empty_view)
(ranges::single_view, ranges::views::single, ranges::iota_view)
(ranges::views::iota): Define for C++20.
* testsuite/std/ranges/empty_view.cc: New test.
* testsuite/std/ranges/iota_view.cc: New test.
* testsuite/std/ranges/single_view.cc: New test.
* testsuite/std/ranges/view.cc: New test.
2019-11-16 Jonathan Wakely <jwakely@redhat.com>
* include/std/ranges: Revert accidentally committed changes.
* include/std/thread (jthread::jthread()): Use nostopstate constant.
(jthread::jthread(Callable&&, Args&&...)): Use helper function to
create std::thread instead of indirection through a lambda. Use
remove_cvref_t instead of decay_t.
(jthread::joinable(), jthread::get_id(), jthread::native_handle())
(jthread::hardware_concurrency()): Add nodiscard attribute.
(swap(jthread&. jthread&)): Define hidden friend.
(jthread::_S_create): New helper function for constructor.
2019-11-15 Edward Smith-Rowland <3dw4rd@verizon.net>
Implement the <tuple> part of C++20 p1032 Misc constexpr bits.
* include/std/tuple (_Head_base, _Tuple_impl(allocator_arg_t,...)
(_M_assign, tuple(allocator_arg_t,...), _Inherited, operator=, _M_swap)
(swap, pair(piecewise_construct_t,): Constexpr.
* (__uses_alloc0::_Sink::operator=, __uses_alloc_t): Constexpr.
* testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc: New test.
* testsuite/20_util/tuple/constexpr_swap.cc : New test.
* testsuite/20_util/uses_allocator/69293_neg.cc: Extra error for C++20.
* testsuite/20_util/uses_allocator/cons_neg.cc: : Extra error for C++20.
2019-11-15 Jonathan Wakely <jwakely@redhat.com>
* include/std/stop_token: Reduce header dependencies by including
internal headers.
(stop_token::swap(stop_token&), swap(stop_token&, stop_token&)):
Define.
(operator!=(const stop_token&, const stop_token&)): Fix return value.
(stop_token::_Stop_cb::_Stop_cb(Cb&&)): Use std::forward instead of
(stop_token::_Stop_state_t) [_GLIBCXX_HAS_GTHREADS]: Use lock_guard
instead of unique_lock.
[!_GLIBCXX_HAS_GTHREADS]: Do not use mutex.
(stop_token::stop_token(_Stop_state)): Change parameter to lvalue
reference.
(stop_source): Remove unnecessary using-declarations for names only
used once.
(swap(stop_source&, stop_source&)): Define.
(stop_callback(const stop_token&, _Cb&&))
(stop_callback(stop_token&&, _Cb&&)): Replace lambdas with a named
function. Use std::forward instead of std::move. Run callbacks if a
stop request has already been made.
(stop_source::_M_execute()): Remove.
(stop_source::_S_execute(_Stop_cb*)): Define.
* include/std/version (__cpp_lib_jthread): Define conditionally.
* testsuite/30_threads/stop_token/stop_callback.cc: New test.
* testsuite/30_threads/stop_token/stop_source.cc: New test.
* testsuite/30_threads/stop_token/stop_token.cc: Enable test for
immediate execution of callback.
2019-11-15 Edward Smith-Rowland <3dw4rd@verizon.net>
Implement the default_searcher part of C++20 p1032 Misc constexpr bits.
* include/std/functional
(default_searcher, default_searcher::operator()): Constexpr.
* testsuite/20_util/function_objects/constexpr_searcher.cc: New.
2019-11-15 Jonathan Wakely <jwakely@redhat.com>
* include/bits/iterator_concepts.h (weakly_incrementable): Adjust.
* include/std/concepts (default_constructible): Rename to
default_initializable and require default-list-initialization and
default-initialization to be valid (LWG 3149).
(semiregular): Adjust to new name.
* testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
1.cc: Rename directory to concept.defaultinitializable and adjust to
new name.
* testsuite/std/concepts/concepts.lang/concept.defaultinitializable/
lwg3149.cc: New test.
* testsuite/util/testsuite_iterators.h (test_range): Adjust.
* src/c++17/fs_path.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
(is_disk_designator): New helper function.
(path::_Parser::root_path()): Use is_disk_designator.
(path::lexically_relative(const path&)): Implement resolution of
LWG 3070.
* testsuite/27_io/filesystem/path/generation/relative.cc: Check with
path components that look like a root-name.
* doc/doxygen/user.cfg.in: Add <stop_token>.
* include/precompiled/stdc++.h: Likewise.
* include/std/stop_token: Fix definition of std::nostopstate.
* testsuite/30_threads/headers/stop_token/synopsis.cc: New test.
* testsuite/30_threads/headers/thread/types_std_c++20.cc: New test.
* testsuite/30_threads/stop_token/stop_source.cc: New test.
* testsuite/30_threads/stop_token/stop_token.cc: Remove unnecessary
dg-require directives. Remove I/O and inclusion of <iostream>.
2019-11-14 Thomas Rodgers <trodgers@redhat.com>
* include/Makefile.am: Add <stop_token> header.
* include/Makefile.in: Regenerate.
* include/std/condition_variable: Add overloads for stop_token support
to condition_variable_any.
* include/std/stop_token: New file.
* include/std/thread: Add jthread type.
* include/std/version (__cpp_lib_jthread): New value.
* testsuite/30_threads/condition_variable_any/stop_token/1.cc: New test.
* testsuite/30_threads/condition_variable_any/stop_token/2.cc: New test.
* testsuite/30_threads/condition_variable_any/stop_token/wait_on.cc:
New test.
* testsuite/30_threads/jthread/1.cc: New test.
* testsuite/30_threads/jthread/2.cc: New test.
* testsuite/30_threads/jthread/jthread.cc: New test.
* testsuite/30_threads/stop_token/1.cc: New test.
* testsuite/30_threads/stop_token/2.cc: New test.
* testsuite/30_threads/stop_token/stop_token.cc: New test.
2019-11-14 Edward Smith-Rowland <3dw4rd@verizon.net>
Implement the <array> part of C++20 p1032 Misc constexpr bits.
* include/std/array (fill, swap): Make constexpr.
* testsuite/23_containers/array/requirements/constexpr_fill.cc: New.
* testsuite/23_containers/array/requirements/constexpr_swap.cc: New.
2019-11-14 Jonathan Wakely <jwakely@redhat.com>
* include/bits/iterator_concepts.h (__iter_concept_impl): Add
comments.
(indirect_relation): Rename to indirect_binary_predicate and adjust
definition as per P1716R3.
(indirect_equivalence_relation): Define.
(indirectly_comparable): Adjust definition.
* include/std/concepts (equivalence_relation): Define.
* testsuite/std/concepts/concepts.callable/relation.cc: Add tests for
equivalence_relation.
* include/bits/iterator_concepts.h (disable_sized_sentinel): Rename to
disable_sized_sentinel_for.
* testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: Adjust.
2019-11-13 Jonathan Wakely <jwakely@redhat.com>
* libsupc++/compare (strong_order, weak_order, partial_order)
(compare_strong_order_fallback, compare_weak_order_fallback)
(compare_partial_order_fallback): Define customization point objects
for C++20.
* testsuite/18_support/comparisons/algorithms/partial_order.cc: New
test.
* testsuite/18_support/comparisons/algorithms/strong_order.cc: New
test.
* testsuite/18_support/comparisons/algorithms/weak_order.cc: New test.
2019-11-11 Gerald Pfeifer <gerald@pfeifer.com>
* doc/xml/gnu/gpl-3.0.xml: Adjust link to "Why not LGPL".
2019-11-10 Gerald Pfeifer <gerald@pfeifer.com>
* doc/xml/manual/using.xml: Switch www.hboehm.info to https.
2019-11-07 Jonathan Wakely <jwakely@redhat.com>
* doc/doxygen/user.cfg.in (INPUT): Add <compare> header.
* include/precompiled/stdc++.h: Include <compare> header.
* libsupc++/compare (common_comparison_category)
(common_comparison_category_t): Define for C++20.
* testsuite/18_support/comparisons/common/1.cc: New test.
* include/bits/stl_algo.h (for_each_n): Handle negative count.
* testsuite/25_algorithms/for_each/for_each_n_debug.cc: New test.
2019-11-07 Jason Merrill <jason@redhat.com>
* libsupc++/compare: Remove strong_equality and weak_equality.
2019-11-06 Jonathan Wakely <jwakely@redhat.com>
* include/Makefile.in: Regenerate.
* libsupc++/Makefile.in: Regenerate.
* libsupc++/compare (__3way_builtin_ptr_cmp): Define helper.
(compare_three_way): Add missing implementation.
* include/bits/iterator_concepts.h (unreachable_sentinel_t): Remove
redundant equality operators.
* testsuite/util/testsuite_iterators.h (test_range::sentinel):
Likewise.
2019-11-05 Jonathan Wakely <jwakely@redhat.com>
* libsupc++/compare: New header.
* libsupc++/Makefile.am (std_HEADERS): Add compare.
* include/std/version: Define __cpp_lib_three_way_comparison.
* include/std/functional: #include <compare>.
* include/std/version [!_GLIBCXX_HOSTED]: Do not define feature test
macros for features that are only present in hosted builds.
* include/bits/iterator_concepts.h (__iter_without_nested_types):
Remove incorrect comment.
2019-10-31 Jonathan Wakely <jwakely@redhat.com>
* doc/html/*: Regenerate.
* include/bits/refwrap.h (reference_wrapper, ref, cref): Add constexpr
specifiers for C++20.
* include/std/functional (_Mem_fn, mem_fn, _Bind, _Bind_result, bind)
(bind_front, _Not_fn, not_fn): Likewise.
* testsuite/20_util/bind/constexpr.cc: New test.
* testsuite/20_util/function_objects/bind_front/constexpr.cc: New test.
* testsuite/20_util/function_objects/mem_fn/constexpr.cc: New test.
* testsuite/20_util/function_objects/not_fn/constexpr.cc: New test.
* testsuite/20_util/reference_wrapper/constexpr.cc: New test.
* doc/doxygen/user.cfg.in: Add new header.
* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/precompiled/stdc++.h: Include new header.
* include/std/ranges: New header.
(ranges::sentinel_t, ranges::range_value_t, ranges::range_reference_t)
(ranges::range_rvalue_reference_t, ranges::sized_range)
(ranges::output_range, ranges::input_ranges, ranges::forward_range)
(ranges::bidirectional_range, ranges::random_access_range)
(ranges::contiguous_range, ranges::common::range): Define.
* testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: Check
that disabled_sized_sentinel can be specialized.
* testsuite/std/ranges/access/begin.cc: Include <ranges> instead of
<iterator>.
* testsuite/std/ranges/access/cbegin.cc: Likewise.
* testsuite/std/ranges/access/cdata.cc: Likewise.
* testsuite/std/ranges/access/cend.cc: Likewise.
* testsuite/std/ranges/access/crbegin.cc: Likewise.
* testsuite/std/ranges/access/crend.cc: Likewise.
* testsuite/std/ranges/access/data.cc: Likewise.
* testsuite/std/ranges/access/empty.cc: Likewise.
* testsuite/std/ranges/access/end.cc: Likewise.
* testsuite/std/ranges/access/end_neg.cc: Likewise.
* testsuite/std/ranges/access/rbegin.cc: Likewise.
* testsuite/std/ranges/access/rend.cc: Likewise.
* testsuite/std/ranges/access/size.cc: Likewise.
* testsuite/std/ranges/access/size_neg.cc: Likewise.
* testsuite/std/ranges/headers/ranges/synopsis.cc: New test.
* testsuite/std/ranges/range.cc: New test.
* testsuite/std/ranges/refinements.cc: New test.
* testsuite/std/ranges/sized.cc: New test.
* testsuite/util/testsuite_iterators.h: Add aliases for range types.
(output_iterator_wrapper::WritableObject::operator=): Add const
qualifier so that output_iterator_wrapper satisfies writable.
* testsuite/20_util/add_pointer/value.cc: Check void types.
* include/bits/range_access.h (__sizable): Rename to __sentinel_size.
Remove workaround for PR c++/92268 and remove redundant requirements
that are already checked by sized_sentinel_for.
* testsuite/std/ranges/access/cend.cc: Fix failures.
* testsuite/std/ranges/access/end.cc: Likewise.
* include/bits/range_access.h (ranges::begin): Combine array and
non-array overloads into one function template. Only use ADL for
classes and enums.
(ranges::end, ranges::size): Likewise. Make unbounded arrays
ill-formed.
(ranges::rbegin, ranges::rend): Only use ADL for classes and enums.
Reformat _S_noexcept() functions to mirror operator() structure.
* testsuite/std/ranges/access/begin.cc: Check incomplete array.
* testsuite/std/ranges/access/end_neg.cc: New test.
* testsuite/std/ranges/access/size.cc: Check array of incomplete type.
* testsuite/std/ranges/access/size_neg.cc: New test.
* testsuite/24_iterators/range_access*.cc: Move to ...
* testsuite/24_iterators/range_access/range_access*.cc: ... here.
* testsuite/24_iterators/range_access/range_access_cpp20_neg.cc: New
test.
2019-10-30 Jonathan Wakely <jwakely@redhat.com>
* include/std/concepts (std::ranges::swap): Use a single overload for
the non-array cases, and switch using if-constexpr.
* include/bits/stl_iterator.h (__normal_iterator::iterator_concept):
Guard with __cpp_lib_concepts macro.
* include/std/bit (__cpp_lib_bitops): Define.
* include/std/version (__cpp_lib_constexpr): Remove.
(__cpp_lib_bitops, __cpp_lib_constexpr_dynamic_alloc): Define.
* testsuite/26_numerics/bit/header.cc: New test.
* testsuite/26_numerics/bit/header-2.cc: New test.
* testsuite/20_util/allocator_traits/header.cc: New test.
* testsuite/20_util/allocator_traits/header-2.cc: New test.
* include/bits/stl_iterator.h (namespace __gnu_cxx): Remove
using-declarations for std::iterator and std::iterator_traits.
(__gnu_cxx::__normal_iterator): Qualify iterator_traits.
* include/ext/algorithm (namespace __gnu_cxx): Remove
using-declarations for std names and qualify those names when used.
Also refer to std::min in parentheses to protect against function-like
macros.
* include/ext/rc_string_base.h: Qualify iterator_traits.
* include/ext/sso_string_base.h: Qualify iterator_traits.
PR libstdc++/92272
* include/bits/stl_bvector.h (_Bit_iterator::pointer)
(_Bit_const_iterator::pointer): Define as void for C++20.
* include/bits/stl_iterator.h (reverse_iterator::operator->()): Add
constraints for C++20.
(__normal_iterator::iterator_concept): Define for C++20.
* include/bits/streambuf_iterator.h (istreambuf_iterator::pointer):
Define as void for C++20.
(ostreambuf_iterator::difference_type): Define as ptrdiff_t for C++20.
(ostreambuf_iterator::ostreambuf_iterator()): Add default constructor
for C++20.
* testsuite/23_containers/vector/bool/iterator_c++20.cc: New test.
* testsuite/24_iterators/bidirectional/concept.cc: New test.
* testsuite/24_iterators/bidirectional/tag.cc: New test.
* testsuite/24_iterators/contiguous/concept.cc: New test.
* testsuite/24_iterators/contiguous/tag.cc: New test.
* testsuite/24_iterators/forward/concept.cc: New test.
* testsuite/24_iterators/forward/tag.cc: New test.
* testsuite/24_iterators/input/concept.cc: New test.
* testsuite/24_iterators/input/tag.cc: New test.
* testsuite/24_iterators/istreambuf_iterator/requirements/typedefs.cc:
New test.
* testsuite/24_iterators/ostreambuf_iterator/requirements/typedefs.cc:
New test.
* testsuite/24_iterators/output/concept.cc: New test.
* testsuite/24_iterators/output/tag.cc: New test.
* testsuite/24_iterators/random_access/concept.cc: New test.
* testsuite/24_iterators/random_access/tag.cc: New test.
* testsuite/24_iterators/range_operations/advance_debug_neg.cc: New
test.
* testsuite/24_iterators/random_access_iterator/26020.cc: Move to ...
* testsuite/24_iterators/operations/26020.cc: ... here.
* testsuite/24_iterators/random_access_iterator/
string_vector_iterators.cc: Move to ...
* testsuite/24_iterators/random_access/string_vector_iterators.cc: ...
here.
* testsuite/util/testsuite_iterators.h: Fix typo in __cplusplus check.
2019-10-29 Jonathan Wakely <jwakely@redhat.com>
* include/bits/range_access.h (ranges::disable_sized_range)
(ranges::begin, ranges::end, ranges::cbegin, ranges::cend)
(ranges::rbegin, ranges::rend, ranges::crbegin, ranges::crend)
(ranges::size, ranges::empty, ranges::data, ranges::cdata)
(ranges::range, ranges::sized_range, ranges::advance, ranges::distance)
(ranges::next, ranges::prev): Guard with __cpp_lib_concepts.
* include/bits/stl_iterator.h (disable_sized_sentinel): Likewise.
* include/bits/alloc_traits.h (__cpp_lib_constexpr_dynamic_alloc):
Define.
(allocator_traits::_S_construct, allocator_traits::_S_destroy)
(__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use
_GLIBCXX14_CONSTEXPR instead of constexpr.
* include/bits/stl_construct.h (_Destroy): Likewise.
* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/bits/iterator_concepts.h: New header.
(contiguous_iterator_tag, iter_reference_t, ranges::iter_move)
(iter_rvalue_reference_t, incrementable_traits, iter_difference_t)
(readable_traits, iter_value_t, readable, iter_common_reference_t)
(writable, waekly_incrementable, incrementable)
(input_or_output_iterator, sentinel_for, disable_sized_sentinel)
(sized_sentinel_for, input_iterator, output_iterator)
(forward_iterator, bidirectional_iterator, random_access_iterator)
(contiguous_iterator, indirectly_unary_invocable)
(indirectly_regular_unary_invocable, indirect_unary_predicate)
(indirect_relation, indirect_strict_weak_order, indirect_result_t)
(projected, indirectly_movable, indirectly_movable_storable)
(indirectly_copyable, indirectly_copyable_storable, ranges::iter_swap)
(indirectly_swappable, indirectly_comparable, permutable, mergeable)
(sortable, unreachable_sentinel_t, unreachable_sentinel)
(default_sentinel_t, default_sentinel): Define.
(__detail::__cpp17_iterator, __detail::__cpp17_input_iterator)
(__detail::__cpp17_fwd_iterator, __detail::__cpp17_bidi_iterator)
(__detail::__cpp17_randacc_iterator): Define.
(__iterator_traits): Define constrained specializations.
* include/bits/move.h (move): Only use old concept check for C++98.
* include/bits/range_access.h (ranges::disable_sized_range)
(ranges::begin, ranges::end, ranges::cbegin, ranges::cend)
(ranges::rbegin, ranges::rend, ranges::crbegin, ranges::crend)
(ranges::size, ranges::empty, ranges::data, ranges::cdata): Define
new customization points for C++20.
(ranges::range, ranges::sized_range): Define new concepts for C++20.
(ranges::advance, ranges::distance, ranges::next, ranges::prev):
Define new functions for C++20.
(__adl_end, __adl_cdata, __adl_cbegin, __adl_cend, __adl_rbegin)
(__adl_rend, __adl_crbegin, __adl_crend, __adl_cdata, __adl_size)
(__adl_empty): Remove.
* include/bits/stl_iterator.h (disable_sized_sentinel): Specialize
for reverse_iterator.
* include/bits/stl_iterator_base_types.h (contiguous_iterator_tag):
Define new struct for C++20.
(iterator_traits<_Tp*>): Constrain partial specialization in C++20.
* include/std/concepts (__is_class_or_enum): Move to __detail
namespace.
* testsuite/20_util/forward/c_neg.cc: Adjust dg-error line number.
* testsuite/20_util/forward/f_neg.cc: Likewise.
* testsuite/24_iterators/associated_types/incrementable.traits.cc: New
test.
* testsuite/24_iterators/associated_types/readable.traits.cc: New test.
* testsuite/24_iterators/contiguous/concept.cc: New test.
* testsuite/24_iterators/contiguous/tag.cc: New test.
* testsuite/24_iterators/customization_points/iter_move.cc: New test.
* testsuite/24_iterators/customization_points/iter_swap.cc: New test.
* testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: New test.
* testsuite/24_iterators/range_operations/advance.cc: New test.
* testsuite/24_iterators/range_operations/distance.cc: New test.
* testsuite/24_iterators/range_operations/next.cc: New test.
* testsuite/24_iterators/range_operations/prev.cc: New test.
* testsuite/26_numerics/adjacent_difference/requirements/
explicit_instantiation/2.cc: Rename types that conflict with C++20
concepts.
* testsuite/26_numerics/adjacent_difference/requirements/
explicit_instantiation/pod.cc: Likewise.
* testsuite/26_numerics/partial_sum/requirements/
explicit_instantiation/2.cc: Likewise.
* testsuite/26_numerics/partial_sum/requirements/
explicit_instantiation/pod.cc: Likewise.
* testsuite/experimental/iterator/requirements.cc: Likewise.
* testsuite/std/ranges/access/begin.cc: New test.
* testsuite/std/ranges/access/cbegin.cc: New test.
* testsuite/std/ranges/access/cdata.cc: New test.
* testsuite/std/ranges/access/cend.cc: New test.
* testsuite/std/ranges/access/crbegin.cc: New test.
* testsuite/std/ranges/access/crend.cc: New test.
* testsuite/std/ranges/access/data.cc: New test.
* testsuite/std/ranges/access/empty.cc: New test.
* testsuite/std/ranges/access/end.cc: New test.
* testsuite/std/ranges/access/rbegin.cc: New test.
* testsuite/std/ranges/access/rend.cc: New test.
* testsuite/std/ranges/access/size.cc: New test.
* testsuite/util/testsuite_iterators.h (contiguous_iterator_wrapper)
(test_range, test_sized_range): New test utilities.
* testsuite/util/testsuite_iterators.h (BoundsContainer::size()): Add
new member function.
(WritableObject::operator=): Constrain with enable_if when available.
(remove_cv): Use std::remove_if when available.
(test_container::it(int)): Use size().
(test_container::size()): Use BoundsContainer::size().
PR libstdc++/92267
* include/bits/stl_deque.h (_Deque_iterator(const _Deque_iterator&)):
Do not define as defaulted.
* testsuite/23_containers/deque/types/92267.cc: New test.
2019-10-26 Gerald Pfeifer <gerald@pfeifer.com>
* doc/xml/manual/codecvt.xml: Switch pubs.opengroup.org to https.
* doc/xml/manual/locale.xml (LC_ALL): Ditto.
* doc/xml/manual/messages.xml: Ditto.
2019-10-26 John David Anglin <danglin@gcc.gnu.org>
* config/abi/post/hppa-linux-gnu/baseline_symbols.txt: Update.
2019-10-25 Jonathan Wakely <jwakely@redhat.com>
* testsuite/util/testsuite_iterators.h (output_iterator_wrapper)
(input_iterator_wrapper, forward_iterator_wrapper)
bidirectional_iterator_wrapper, random_access_iterator_wrapper): Remove
user-provided copy constructors and copy assignment operators so they
are defined implicitly.
(input_iterator_wrapper): Initialize members in default constructor.
(forward_iterator_wrapper): Remove assignments to members of base.
* include/bits/allocator.h: Check __cpp_constexpr_dynamic_alloc
before making the std::allocator destructor constexpr.
* testsuite/20_util/allocator/requirements/constexpr.cc: New test.
* include/bits/range_cmp.h: Check __cpp_lib_concepts before defining
concepts. Fix comment.
* include/bits/allocator.h
2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
* doc/xml/manual/policy_data_structures_biblio.xml: Switch
pubs.opengroup.org to https.
2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
* doc/xml/gnu/gpl-3.0.xml: Switch www.gnu.org to https.
2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
* doc/xml/manual/status_cxx2020.xml: Add rows and update status.
2019-10-24 Jonathan Wakely <jwakely@redhat.com>
* include/bits/allocator.h (allocator<void>): Restore the explicit
specialization for C++20, but make its API consistent with the primary
template.
(allocator::~allocator()): Restore the destructor for C++20, but make
it constexpr.
* testsuite/20_util/allocator/rebind_c++20.cc: Check allocator<void>.
* testsuite/20_util/allocator/requirements/typedefs_c++20.cc: Likewise.
* testsuite/20_util/allocator/void.cc: Check that constructors and
destructors are trivial. Check for converting constructor in C++20.
* testsuite/ext/malloc_allocator/variadic_construct.cc: Simplify
dejagnu target selector.
* testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
* include/experimental/executor (__use_future_ct, use_future_t):
Define partial specializations for std::allocator.
(__use_future_ch): Overload constructor for completion tokens using
std::allocator.
PR libstdc++/88338 Implement P0898R3, C++20 concepts library
* doc/xml/manual/status_cxx2020.xml: Update status.
* doc/html/*: Regenerate.
* testsuite/std/concepts/1.cc: New test.
* testsuite/std/concepts/2.cc: New test.
* include/bits/random.h (uniform_random_bit_generator): Define for
C++20.
* testsuite/26_numerics/random/concept.cc: New test.
* testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error line.
2019-10-23 Jonathan Wakely <jwakely@redhat.com>
* include/std/functional (invoke): Add constexpr for C++20.
* include/std/version (__cpp_lib_constexpr_invoke): Define.
* testsuite/20_util/function_objects/invoke/constexpr.cc: New test.
PR c++/91369 Implement P0784R7 changes to allocation and construction
* include/bits/alloc_traits.h: Include <bits/stl_construct.h>.
(allocator_traits::_S_allocate, allocator_traits::_S_construct)
(allocator_traits::_S_destroy, allocator_traits::_S_max_size)
(allocator_traits::_S_select, allocator_traits::allocate)
(allocator_traits::deallocate, allocator_traits::construct)
(allocator_traits::destroy, allocator_traits::max_size)
(allocator_traits::select_on_container_copy_construction)
(allocator_traits<allocator<T>>): Add constexpr specifier for C++20.
(allocator_traits<allocator<T>>::construct): Use construct_at.
(allocator_traits<allocator<T>>::destroy): Use destroy_at.
(__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Add constexpr
specifier.
(_Destroy(ForwardIterator, ForwardIterator, Alloc&))
(_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move here
from <bits/stl_construct.h>.
* include/bits/allocator.h (allocator::~allocator): Remove for C++20.
(allocator::allocate, allocate::deallocate): Define for C++20 and up.
(operator==, operator!=): Add constexpr specifier for C++20.
* include/bits/stl_construct.h: Don't include <ext/alloc_traits.h>.
(destroy_at): For C++20 add constexpr specifier and support for
destroying arrays.
(construct_at): Define new function for C++20.
(_Construct): Return result of placement new-expression. For C++11 and
up add constexpr. For C++20 dispatch to std::construct_at during
constant evaluation.
(_Destroy(pointer)): Add constexpr specifier. For C++20 dispatch to
std::destroy_at during constant evaluation.
(_Destroy_aux::__destroy, _Destroy_n_aux::__destroy_n): Add constexpr
specifier for C++20.
(_Destroy(ForwardIterator, ForwardIterator))
(_Destroy(ForwardIterator, Size)): Likewise. Do not elide trivial
destructors during constant evaluation.
(destroy, destroy_n): Add constexpr specifier for C++20.
(_Destroy(ForwardIterator, ForwardIterator, Alloc&))
(_Destroy(ForwardIterator, ForwardIterator, allocator<T>&)): Move to
<bits/alloc_traits.h>, to remove dependency on allocators.
* include/bits/stl_uninitialized.h: Include <ext/alloc_traits.h>.
Include <bits/stl_pair.h> instead of <utility>.
* include/ext/alloc_traits.h: Always include <bits/alloc_traits.h>.
(__alloc_traits::construct, __alloc_traits::destroy)
(__alloc_traits::_S_select_on_copy, __alloc_traits::_S_on_swap): Add
constexpr specifier.
* include/ext/malloc_allocator.h (operator==, operator!=): Add
constexpr specifier for C++20.
* include/ext/new_allocator.h (operator==, operator!=): Likewise.
* testsuite/20_util/headers/memory/synopsis.cc: Add constexpr.
* testsuite/20_util/scoped_allocator/69293_neg.cc: Ignore additional
errors due to constexpr function called after failed static_assert.
* testsuite/20_util/specialized_algorithms/construct_at/1.cc: New test.
* testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
Ignore additional errors due to constexpr function called after failed
static_assert.
* testsuite/23_containers/vector/cons/destructible_neg.cc: Likewise.
* testsuite/20_util/bind/91371.cc: Fix test to compile as C++11.
* include/debug/helper_functions.h (__valid_range): Change
_GLIBCXX_CONSTEXPR to _GLIBCXX14_CONSTEXPR.
* include/ext/throw_allocator.h (throw_allocator_base): Qualify
size_t and ptrdiff_t.
* include/ext/pb_ds/detail/bin_search_tree_/bin_search_tree_.hpp:
Use detail::rebind_traits.
* include/ext/pb_ds/detail/bin_search_tree_/node_iterators.hpp:
Likewise.
* include/ext/pb_ds/detail/bin_search_tree_/traits.hpp: Likewise.
* include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp: Likewise.
* include/ext/pb_ds/detail/binary_heap_/entry_cmp.hpp: Likewise.
* include/ext/pb_ds/detail/binary_heap_/entry_pred.hpp: Likewise.
* include/ext/pb_ds/detail/binary_heap_/point_const_iterator.hpp:
Likewise.
* include/ext/pb_ds/detail/binomial_heap_base_/binomial_heap_base_.hpp:
Likewise.
* include/ext/pb_ds/detail/branch_policy/branch_policy.hpp: Likewise.
* include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp: Likewise.
* include/ext/pb_ds/detail/cond_dealtor.hpp: Likewise.
* include/ext/pb_ds/detail/eq_fn/hash_eq_fn.hpp (has_eq_fn): Likewise.
* include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp: Likewise.
* include/ext/pb_ds/detail/hash_fn/ranged_hash_fn.hpp: Likewise.
* include/ext/pb_ds/detail/hash_fn/ranged_probe_fn.hpp: Likewise.
* include/ext/pb_ds/detail/left_child_next_sibling_heap_/
left_child_next_sibling_heap_.hpp: Likewise.
* include/ext/pb_ds/detail/left_child_next_sibling_heap_/node.hpp:
Likewise.
* include/ext/pb_ds/detail/left_child_next_sibling_heap_/
point_const_iterator.hpp: Likewise.
* include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp: Likewise.
* include/ext/pb_ds/detail/ov_tree_map_/
constructors_destructor_fn_imps.hpp: Likewise.
* include/ext/pb_ds/detail/ov_tree_map_/node_iterators.hpp: Likewise.
* include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hpp: Likewise.
* include/ext/pb_ds/detail/pairing_heap_/pairing_heap_.hpp: Likewise.
* include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp: Likewise.
* include/ext/pb_ds/detail/pat_trie_/pat_trie_base.hpp: Likewise.
* include/ext/pb_ds/detail/rb_tree_map_/node.hpp: Likewise.
* include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp: Likewise.
* include/ext/pb_ds/detail/splay_tree_/node.hpp: Likewise.
* include/ext/pb_ds/detail/thin_heap_/thin_heap_.hpp: Likewise.
* include/ext/pb_ds/detail/trie_policy/sample_trie_access_traits.hpp:
Likewise.
* include/ext/pb_ds/detail/type_utils.hpp: Fix typo in comment.
* include/ext/pb_ds/detail/types_traits.hpp (stored_value): Add
bool parameter to control whether the hash value is stored.
(select_base_type): New class template and partial specialization.
(maybe_null_type): Likewise.
(rebind_traits): New class template.
(type_base): Remove four nearly identical specializations.
(type_dispatch): Remove.
(type_traits): Use select_base_type and maybe_null_type instead of
type_base to control differences between specializations.
* include/ext/pb_ds/list_update_policy.hpp: Use detail::rebind_traits.
* include/ext/pb_ds/priority_queue.hpp: Likewise.
* include/ext/pb_ds/tree_policy.hpp: Likewise.
* include/ext/pb_ds/trie_policy.hpp: Likewise.
* include/backward/hash_set (hash_set): Use __alloc_traits.
* include/backward/hashtable.h (_Hashtable): Likewise.
* include/ext/alloc_traits.h (__alloc_traits::allocate): Add overload
taking a hint.
* include/ext/extptr_allocator.h (_ExtPtr_allocator::allocate): Ignore
hint.
* include/ext/slist (_Slist_base): Use __alloc_traits.
* include/tr1/hashtable.h (_Hashtable): Likewise.
* include/tr1/regex (match_results): Use vector::const_reference
instead of assuming the allocator defines it.
* testsuite/backward/hash_map/23528.cc: Use allocator_traits in C++11.
* testsuite/tr1/6_containers/unordered_map/capacity/29134-map.cc: Use
__gnu_test::max_size.
* testsuite/tr1/6_containers/unordered_multimap/capacity/
29134-multimap.cc: Likewise.
* testsuite/tr1/6_containers/unordered_multiset/capacity/
29134-multiset.cc: Likewise.
* testsuite/tr1/6_containers/unordered_set/capacity/29134-set.cc:
Likewise.
2019-10-22 Jonathan Wakely <jwakely@redhat.com>
* testsuite/util/testsuite_abi.h: Restore use of tr1/unordered_map
when compiled as C++98.
* include/bits/memoryfwd.h (uses_allocator): Do not declare for C++98.
* testsuite/17_intro/names.cc: Check uses_allocator in C++98.
* include/bits/alloc_traits.h
(allocator_traits<allocator<T>>::allocate): Ignore hint for C++20.
(allocator_traits<allocator<T>>::construct): Perform placement new
directly for C++20, instead of calling allocator<T>::construct.
(allocator_traits<allocator<T>>::destroy): Call destructor directly
for C++20, instead of calling allocator<T>::destroy.
(allocator_traits<allocator<T>>::max_size): Return value directly
for C++20, instead of calling std::allocator<T>::max_size().
(__do_alloc_on_copy, __do_alloc_on_move, __do_alloc_on_swap): Do not
define for C++17 and up.
(__alloc_on_copy, __alloc_on_move, __alloc_on_swap): Use if-constexpr
for C++17 and up, instead of tag dispatching.
* include/bits/allocator.h (allocator<void>): Remove for C++20.
(allocator::pointer, allocator::const_pointer, allocator::reference)
(allocator::const_reference, allocator::rebind): Remove for C++20.
* include/bits/basic_string.h (basic_string): Use __alloc_traits to
rebind allocator.
* include/bits/memoryfwd.h (allocator<void>): Remove for C++20.
* include/ext/debug_allocator.h: Use __alloc_traits for rebinding.
* include/ext/malloc_allocator.h (malloc_allocator::~malloc_allocator)
(malloc_allocator::pointer, malloc_allocator::const_pointer)
(malloc_allocator::reference, malloc_allocator::const_reference)
(malloc_allocator::rebind, malloc_allocator::max_size)
(malloc_allocator::construct, malloc_allocator::destroy): Do not
define for C++20.
(malloc_allocator::_M_max_size): Define new function.
* include/ext/new_allocator.h (new_allocator::~new_allocator)
(new_allocator::pointer, new_allocator::const_pointer)
(new_allocator::reference, new_allocator::const_reference)
(new_allocator::rebind, new_allocator::max_size)
(new_allocator::construct, new_allocator::destroy): Do not
define for C++20.
(new_allocator::_M_max_size): Define new function.
* include/ext/rc_string_base.h (__rc_string_base::_Rep): Use
__alloc_traits to rebind allocator.
* include/ext/rope (_Rope_rep_base, _Rope_base): Likewise.
(rope::rope(CharT, const allocator_type&)): Use __alloc_traits
to construct character.
* include/ext/slist (_Slist_base): Use __alloc_traits to rebind
allocator.
* include/ext/sso_string_base.h (__sso_string_base::_M_max_size):
Use __alloc_traits.
* include/ext/throw_allocator.h (throw_allocator): Do not use optional
members of std::allocator, use __alloc_traits members instead.
* include/ext/vstring.h (__versa_string): Use __alloc_traits.
* include/ext/vstring_util.h (__vstring_utility): Likewise.
* include/std/memory: Include <bits/alloc_traits.h>.
* testsuite/20_util/allocator/8230.cc: Use __gnu_test::max_size.
* testsuite/20_util/allocator/rebind_c++20.cc: New test.
* testsuite/20_util/allocator/requirements/typedefs.cc: Do not check
for pointer, const_pointer, reference, const_reference or rebind in
C++20.
* testsuite/20_util/allocator/requirements/typedefs_c++20.cc: New test.
* testsuite/23_containers/deque/capacity/29134.cc: Use
__gnu_test::max_size.
* testsuite/23_containers/forward_list/capacity/1.cc: Likewise.
* testsuite/23_containers/list/capacity/29134.cc: Likewise.
* testsuite/23_containers/map/capacity/29134.cc: Likewise.
* testsuite/23_containers/multimap/capacity/29134.cc: Likewise.
* testsuite/23_containers/multiset/capacity/29134.cc: Likewise.
* testsuite/23_containers/set/capacity/29134.cc: Likewise.
* testsuite/23_containers/vector/capacity/29134.cc: Likewise.
* testsuite/ext/malloc_allocator/variadic_construct.cc: Do not run
test for C++20.
* testsuite/ext/new_allocator/variadic_construct.cc: Likewise.
* testsuite/ext/vstring/capacity/29134.cc: Use __gnu_test::max_size.
* testsuite/util/replacement_memory_operators.h: Do not assume
Alloc::pointer exists.
* testsuite/util/testsuite_allocator.h (__gnu_test::max_size): Define
helper to call max_size for any allocator.
2019-10-22 Andreas Schwab <schwab@suse.de>
* config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
2019-10-18 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/92143
* libsupc++/new_opa.cc (operator new) [__APPLE__]: Increase alignment
to at least sizeof(void*).
* include/bits/range_cmp.h (ranges::less::operator()): Inline the
logic from std::less::operator() to remove the dependency on it.
2019-10-17 Jonathan Wakely <jwakely@redhat.com>
* doc/doxygen/user.cfg.in (INPUT): Add new C++17 and C++20 headers.
* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/bits/range_cmp.h: New header for C++20 function objects.
* include/std/functional: Include new header.
* testsuite/20_util/function_objects/identity/1.cc: New test.
* testsuite/20_util/function_objects/range.cmp/equal_to.cc: New test.
* testsuite/20_util/function_objects/range.cmp/greater.cc: New test.
* testsuite/20_util/function_objects/range.cmp/greater_equal.cc: New
test.
* testsuite/20_util/function_objects/range.cmp/less.cc: New test.
* testsuite/20_util/function_objects/range.cmp/less_equal.cc: New test.
* testsuite/20_util/function_objects/range.cmp/not_equal_to.cc: New
test.
PR libstdc++/92124
* include/bits/forward_list.h
(_M_move_assign(forward_list&&, false_type)): Do not use
__make_move_if_noexcept, instead move unconditionally.
* include/bits/stl_deque.h (_M_move_assign2(deque&&, false_type)):
Likewise.
* include/bits/stl_list.h (_M_move_assign(list&&, false_type)):
Likewise.
* include/bits/stl_vector.h (_M_move_assign(vector&&, false_type)):
Likewise.
* testsuite/23_containers/vector/92124.cc: New test.
2019-10-16 Jonathan Wakely <jwakely@redhat.com>
* include/bits/c++config (_GLIBCXX_BUILTIN_IS_SAME_AS): Define to
one of __is_same_as or __is_same when available.
* include/std/concepts (__detail::__same_as): Use std::is_same_v.
* include/std/type_traits (is_same) [_GLIBCXX_BUILTIN_IS_SAME_AS]:
Use new macro instead of __is_same_as.
(is_same) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Restore partial
specialization.
(is_same_v) [_GLIBCXX_BUILTIN_IS_SAME_AS]: Use new macro.
(is_same_v) [!_GLIBCXX_BUILTIN_IS_SAME_AS]: Use std::is_same.
2019-10-16 François Dumont <fdumont@gcc.gnu.org>
* src/c++11/debug.cc (print_field): Replace constness_names <unknown>
entry with <unknown constness>. Replace state_names <unknown> entry with
<unknown state>.
2019-10-11 Jonathan Wakely <jwakely@redhat.com>
* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/precompiled/stdc++.h: Include <concepts>.
* include/std/concepts: New header for C++20.
* include/std/version (__cpp_lib_concepts): Define.
* scripts/create_testsuite_files: Look for test files in new std
directory.
* testsuite/libstdc++-dg/conformance.exp: Likewise.
* testsuite/std/concepts/concepts.callable/invocable.cc: New test.
* testsuite/std/concepts/concepts.callable/regular_invocable.cc: New
test.
* testsuite/std/concepts/concepts.callable/relation.cc: New test.
* testsuite/std/concepts/concepts.callable/strictweakorder.cc: New
test.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/
floating_point.cc: New test.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/integral.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/
signed_integral.cc: New test.
* testsuite/std/concepts/concepts.lang/concept.arithmetic/
unsigned_integral.cc: New test.
* testsuite/std/concepts/concepts.lang/concept.assignable/1.cc: New
test.
* testsuite/std/concepts/concepts.lang/concept.common/1.cc: New test.
* testsuite/std/concepts/concepts.lang/concept.commonref/1.cc: New
test.
* testsuite/std/concepts/concepts.lang/concept.constructible/1.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.convertible/1.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.copyconstructible/1.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.defaultconstructible/
1.cc: New test.
* testsuite/std/concepts/concepts.lang/concept.derived/1.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.destructible/1.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.moveconstructible/1.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.same/1.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.swappable/swap.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.swappable/swappable.cc:
New test.
* testsuite/std/concepts/concepts.lang/concept.swappable/
swappable_with.cc: New test.
* testsuite/std/concepts/concepts.object/copyable.cc: New test.
* testsuite/std/concepts/concepts.object/movable.cc: New test.
* testsuite/std/concepts/concepts.object/regular.cc: New test.
* testsuite/std/concepts/concepts.object/semiregular.cc: New test.
* include/std/type_traits (is_same): Replace partial specialization
by using __is_same_as built-in in primary template.
(is_same_v): Use __is_same_as built-in instead of instantiating the
is_same trait.
PR libstdc++/92059
* include/tr2/dynamic_bitset (__dynamic_bitset_base): Define all
special member functions as defaulted. Add noexcept to most members.
(__dynamic_bitset_base(size_t, unsigned long long, const _Alloc&)):
Mask off unwanted bits in the __val parameter. Avoid undefined left
shifts.
(__dynamic_bitset_base::_M_assign): Remove.
(__dynamic_bitset_base::_M_do_reset): Use std::fill.
(__dynamic_bitset_base::_M_are_all_aux): Avoid integer promotion when
block_type has lower rank than int.
(dynamic_bitset): Add noexcept to most members. Use injected-class-name
in return types and parameter types.
(dynamic_bitset::_M_Nb): Add default member initializer.
(dynamic_bitset(), dynamic_bitset(const dynamic_bitset&)): Define as
defaulted.
(dynamic_bitset(dynamic_bitset&&)): Clear source object after move.
(dynamic_bitset::operator=(const dynamic_bitset&)): Define as
defaulted.
(dynamic_bitset::operator=(dynamic_bitset&&)): Add noexcept-specifier.
Define without using swap, to propagate allocator correctly.
(dynamic_bitset(const char*, const _Alloc&)): Use strlen.
(dynamic_bitset::_M_do_sanitize, dynamic_bitset::_M_do_fill): Use
casts to avoid unwanted integer promotions.
(dynamic_bitset::_M_copy_from_ptr): Rearrange template parameters and
add default template arguments and default argument to simplify usage.
(dynamic_bitset::_M_copy_from_string): Adjust call to _M_copy_from_ptr.
(operator==(const dynamic_bitset&, const dynamic_bitset&))
(operator<(const dynamic_bitset&, const dynamic_bitset&)): Use _M_Nb.
* include/tr2/dynamic_bitset.tcc (dynamic_bitset::_M_copy_from_ptr):
Adjust template parameters to match declaration.
* testsuite/tr2/dynamic_bitset/cmp.cc: New test.
* testsuite/tr2/dynamic_bitset/cons.cc: New test.
* testsuite/tr2/dynamic_bitset/copy.cc: New test.
* testsuite/tr2/dynamic_bitset/move.cc: New test.
* testsuite/tr2/dynamic_bitset/pr92059.cc: New test.
* include/bits/charconv.h (__to_chars_len): Avoid -Wsign-compare
warnings.
2019-10-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91057
* src/c++98/locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]
(find_ldbl_sync_facet): Fix parameter type and missing return.
2019-10-09 Marek Polacek <polacek@redhat.com>
PR c++/91364 - P0388R4: Permit conversions to arrays of unknown bound.
PR c++/69531 - DR 1307: Differently bounded array parameters.
PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
* testsuite/23_containers/span/lwg3255.cc: Adjust test to match the
post-P0388R4 behavior.
2019-10-09 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91057
* src/c++98/locale.cc (locale::id::_M_id()) [__GTHREADS]: Use atomic
compare-exchange or double-checked lock to ensure only one thread sets
the _M_index variable.
[_GLIBCXX_LONG_DOUBLE_COMPAT]: Call find_ldbl_sync_facet to detect
facets that share another facet's ID.
[_GLIBCXX_LONG_DOUBLE_COMPAT] (find_ldbl_sync_facet): New function.
PR libstdc++/78552
* src/c++98/locale_init.cc (locale::classic()): Do not construct a new
locale object for every call.
(locale::_S_initialize_once()): Construct C locale here.
2019-10-08 Jonathan Wakely <jwakely@redhat.com>
* doc/Makefile.am (doc-html-docbook-regenerate): New target.
(${docbook_outdir}/html): Do not create unused 'html/ext' directory.
* doc/Makefile.in: Regenerate.
* doc/xml/manual/documentation_hacking.xml: Document new target.
* doc/html/*: Regenerate.
* doc/xml/manual/allocator.xml: Use archived copy of CUJ article.
* doc/html/*: Regenerate.
2019-10-06 François Dumont <fdumont@gcc.gnu.org>
* include/bits/stl_algo.h
(__copy_n_a(_IIte, _Size, _OIte)): New.
(__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New declaration.
(__copy_n(_IIte, _Size, _OIte, input_iterator_tag)): Adapt to use
latter.
* include/bits/streambuf_iterator.h (istreambuf_iterator<>): Declare
std::__copy_n_a friend.
(__copy_n_a(istreambuf_iterator<>, _Size, _CharT*)): New.
* testsuite/25_algorithms/copy_n/istreambuf_iterator/1.cc: New.
* testsuite/25_algorithms/copy_n/istreambuf_iterator/1_neg.cc: New.
* testsuite/25_algorithms/copy_n/istreambuf_iterator/2_neg.cc: New.
* include/bits/stl_iterator_base_types.h (__iterator_category_t): Define
for C++11.
(_RequireInputIte): Likewise and use __enable_if_t.
* include/std/numeric
(__is_random_access_iter): Use __iterator_category_t.
* include/bits/stl_algo.h (copy_n): Add __glibcxx_requires_can_increment
debug checks.
* testsuite/25_algorithms/copy_n/debug/1_neg.cc: New.
* testsuite/25_algorithms/copy_n/debug/2_neg.cc: New.
2019-10-04 François Dumont <fdumont@gcc.gnu.org>
* include/debug/forward_list
(_Sequence_traits<__debug::forward_list<>>::_S_size): Returns __dp_sign
distance when not empty.
* include/debug/list (_Sequence_traits<__debug::list<>>::_S_size):
Likewise.
* include/debug/helper_functions.h (__dp_sign_max_size): New
_Distance_precision enum entry.
(__valid_range_aux(_IIte, _IIte, _Distance_traits<>::__type,
__false_type)): Adapt.
* include/debug/safe_iterator.tcc
(_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator&)): Review
distance computation.
2019-10-04 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/81091
PR libstdc++/91947
* configure.ac: Use AC_SYS_LARGEFILE to enable 64-bit file APIs.
* config.h.in: Regenerate:
* configure: Regenerate:
* include/Makefile.am (${host_builddir}/largefile-config.h): New
target to generate config header for filesystem library.
(${host_builddir}/c++config.h): Rename macros for large file support.
* include/Makefile.in: Regenerate.
* src/c++17/fs_dir.cc: Include new config header.
* src/c++17/fs_ops.cc: Likewise.
(filesystem::file_size): Use uintmax_t for size.
* src/filesystem/dir.cc: Include new config header.
* src/filesystem/ops.cc: Likewise.
(experimental::filesystem::file_size): Use uintmax_t for size.
* testsuite/util/testsuite_abi.h: Use std::unordered_map instead of
std::tr1::unordered_map.
* testsuite/util/testsuite_allocator.h: Likewise.
* include/tr1/hashtable.h: Add header for __gnu_cxx::__alloc_traits.
* include/tr1/hashtable.h (tr1::_Hashtable::_M_allocate_node): Use
__gnu_cxx::__alloc_traits for allocator construct function.
(tr1::_Hashtable::_M_deallocate_node): Likewise for destroy function.
* include/precompiled/stdc++.h: Include <span> for C++20.
* testsuite/17_intro/names.cc: Do not define 'e' for C++20.
2019-10-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* include/parallel/multiway_merge.h (_RAIter3): Replace _C by _Cp.
2019-10-02 Jonathan Wakely <jwakely@redhat.com>
* config/abi/pre/gnu.ver: Tighten up greedy wildcards.
* doc/xml/manual/parallel_mode.xml: Add caveat about support for
recent standards.
* doc/html/*: Regenerate.
2019-10-01 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/algorithm (experimental::sample): Qualify call
to __sample correctly.
* include/parallel/algo.h (sample, for_each_n): Add using-declarations
for algorithms that don't have parallel implementations.
* include/parallel/algobase.h (equal, lexicographical_compare): Add
_GLIBCXX20_CONSTEXPR and dispatch to sequential algorithm when being
constant evaluated.
* include/parallel/algorithmfwd.h (equal, lexicographical_compare):
Add _GLIBCXX20_CONSTEXPR.
* testsuite/17_intro/using_namespace_std_tr1_neg.cc: Skip test for
parallel mode.
* testsuite/20_util/hash/84998.cc: Likewise.
* testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: Likewise.
* testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: Likewise.
* testsuite/23_containers/list/pmr_typedefs_debug.cc: Likewise.
* testsuite/23_containers/map/pmr_typedefs_debug.cc: Likewise.
* testsuite/23_containers/multimap/pmr_typedefs_debug.cc: Likewise.
* testsuite/23_containers/multiset/pmr_typedefs_debug.cc: Likewise.
* testsuite/23_containers/set/pmr_typedefs_debug.cc: Likewise.
* testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc:
Likewise.
* testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
Likewise.
* testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
Likewise.
* testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc:
Likewise.
* testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
Likewise.
* testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: Likewise.
* testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
* testsuite/25_algorithms/copy/86658.cc: Likewise.
* testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
* testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
* testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
* testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
* include/parallel/algo.h: Replace non-reserved names.
* include/parallel/multiway_merge.h: Likewise.
* include/parallel/multiway_mergesort.h: Likewise.
* include/parallel/numericfwd.h: Likewise.
* testsuite/17_intro/names.cc: Add RAI to test macros.
2019-09-30 François Dumont <fdumont@gcc.gnu.org>
* include/debug/array: Add C++20 constexpr to comparison operators.
* testsuite/23_containers/array/tuple_interface/get_debug_neg.cc: Adapt
dg-error line numbers.
* testsuite/23_containers/array/tuple_interface/
tuple_element_debug_neg.cc: Likewise.
2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
* include/experimental/internet: Include netinet/in.h if we have
_GLIBCXX_HAVE_NETINET_IN_H defined.
* testsuite/ext/special_functions/airy_ai/check_nan.cc: Ignore the
FreeBSD warning about lower advertised precision of tgammal.
* testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
* testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: Likewise.
* testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: Likewise.
* testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: Likewise.
* testsuite/special_functions/10_cyl_neumann/check_nan.cc: Likewise.
* testsuite/special_functions/19_sph_bessel/check_nan.cc: Likewise.
* testsuite/special_functions/21_sph_neumann/check_nan.cc: Likewise.
* testsuite/tr1/5_numerical_facilities/special_functions/
08_cyl_bessel_i/check_nan.cc: Likewise.
* testsuite/tr1/5_numerical_facilities/special_functions/
09_cyl_bessel_j/check_nan.cc: Likewise.
* testuite/tr1/5_numerical_facilities/special_functions/
10_cyl_bessel_k/check_nan.cc: Likewise.
* testsuite/tr1/5_numerical_facilities/special_functions/
11_cyl_neumann/check_nan.cc: Likewise.
* testsuite/tr1/5_numerical_facilities/special_functions/
21_sph_bessel/check_nan.cc: Likewise.
* testsuite/tr1/5_numerical_facilities/special_functions/
23_sph_neumann/check_nan.cc: Likewise.
2019-09-30 Jonathan Wakely <jwakely@redhat.com>
* include/std/span (span(element_type(&)[N]))
(span(array<value_type, N>&), span(const array<value_type, N>&)):
Deduce array element type to allow safe const conversions (LWG 3255).
[!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
remove_cv_t on arguments to __is_std_span and __is_std_array.
* testsuite/23_containers/span/lwg3255.cc: New test.
PR libstdc++/77936
* include/parallel/checkers.h (__is_sorted): Remove unused variable.
2019-09-28 François Dumont <fdumont@gcc.gnu.org>
* include/bits/stl_algo.h (merge): Fix documentation.
* include/debug/functions.h (__check_sorted_aux): Add C++20 constexpr.
(__check_sorted): Likewise and remove nested irreflexive check.
(__check_sorted_set_aux, __check_sorted_set): Add C++20 constexpr.
(__check_partitioned_lower, __check_partitioned_upper): Likewise.
(_Irreflexive_checker::_S_is_valid): Likewise.
(__is_irreflexive, __is_irreflexive_pred): Likewise.
* include/debug/helper_functions.h (__get_distance): Add constexpr.
(__valid_range_aux): Add C++20 constexpr.
(__valid_range(_Iter, _Iter, _Distance_traits<_Iter>::__type&)):
Likewise and add std::is_constant_evaluated check.
(__valid_range_aux(_Iter, _Iter, std::input_iterator_tag)): New.
(__valid_range_aux(_Iter, _Iter, std::random_accss_iterator_tag)): New.
(__valid_range_aux(_Integral, _Integral, std::__true_type)): New,
use latter.
(__valid_range(_Iter, _Iter)): Adapt to use latter, add constexpr and
__builtin_is_contant_evaludated check..
(__can_advance, __base): Add constexpr.
* include/debug/macros.h [_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED]
(_GLIBCXX_DEBUG_VERIFY_COND_AT): New.
(__glibcxx_check_sorted): Use __glibcxx_check_irreflexive.
(__glibcxx_check_sorted_pred): Use __glibcxx_check_irreflexive_pred.
* testsuite/25_algorithms/binary_search/constexpr.cc: Use irreflexive
std::less.
* testsuite/25_algorithms/is_sorted/constexpr.cc: Likewise.
* testsuite/25_algorithms/merge/constexpr.cc: Fix order in camm. Fix
lambda to be irreflexive.
2019-09-27 Maciej W. Rozycki <macro@wdc.com>
* configure: Regenerate.
2019-09-27 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91910
* src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
atomically and lock the mutex before accessing the sequence.
(_Safe_local_iterator_base::_M_detach()): Likewise.
(_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
2019-09-26 Jonathan Wakely <jwakely@redhat.com>
* include/debug/array (to_array): Define for debug mode.
* include/bits/stl_pair.h (pair): Add _GLIBCXX20_CONSTEXPR to
piecewise construction constructor, assignment operators, and swap.
* include/std/tuple (pair::pair(piecewise_construct_t, tuple, tuple)):
Add _GLIBCXX20_CONSTEXPR.
(pair::pair(tuple, tuple, _Index_tuple, _Index_tuple)): Likewise.
* testsuite/20_util/pair/constexpr_assign.cc: New test.
* testsuite/20_util/pair/constexpr_swap.cc: New test.
* include/experimental/internet (operator==, operator<): Fix loop
condition to avoid reading past the end of the array.
* include/std/array: Remove references to profile mode.
* include/std/bitset: Likewise.
* include/std/deque: Likewise.
* include/std/forward_list: Likewise.
* include/std/list: Likewise.
* include/std/map: Likewise.
* include/std/set: Likewise.
* include/std/unordered_map: Likewise.
* include/std/unordered_set: Likewise.
* include/std/vector: Likewise.
* testsuite/17_intro/headers/c++1998/profile_mode.cc: New test.
* testsuite/17_intro/headers/c++2011/profile_mode.cc: New test.
2019-09-25 Jonathan Wakely <jwakely@redhat.com>
* include/bits/regex.h
(basic_regex::assign(const C*, size_t, flag_type)): Add default
argument (LWG 3296).
* testsuite/28_regex/basic_regex/assign/char/lwg3296.cc: New test.
* testsuite/28_regex/basic_regex/assign/wchar_t/lwg3296.cc: New test.
2019-09-24 Jonathan Wakely <jwakely@redhat.com>
* include/std/variant (variant::index()): Remove impossible case.
PR libstdc++/91871
* testsuite/util/testsuite_hooks.h
(conversion::iterator_to_const_iterator()): Do not return an invalid
iterator. Test direct-initialization and direct-list-initialization
as well as implicit conversion.
2019-09-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91788 (partial)
* include/std/variant (variant::index()): Improve codegen for cases
where conversion to size_t already works correctly.
2019-09-23 Andreas Schwab <schwab@suse.de>
* config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2019-09-12 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91748
* include/bits/stl_algo.h (for_each_n): Fix random access iterator
case.
* testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
access iterators.
2019-09-11 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
Fix syntax error.
* testsuite/20_util/result_of/sfinae_friendly_1.cc: Add -Wno-volatile
for C++2a and up. Define HAS_52748_FIXED and fix incorrect tests.
* testsuite/tr1/3_function_objects/result_of.cc: Add -Wno-volatile
for C++2a and up.
2019-09-10 Jonathan Wakely <jwakely@redhat.com>
* include/std/type_traits (__do_common_type_impl): Implement
additional COND-RES(CREF(D1), CRED(D2)) condition for C++20.
(basic_common_reference, common_reference, common_reference_t): Define
for C++20.
* testsuite/20_util/common_reference/requirements/alias_decl.cc: New
test.
* testsuite/20_util/common_reference/requirements/
explicit_instantiation.cc: New test.
* testsuite/20_util/common_reference/requirements/typedefs.cc: New
test.
* include/std/charconv (to_chars): Rename to __to_chars_i. Define
non-template overloads for each signed and unsigned integer type and
char. Define deleted overload for bool (LWG 3266).
* testsuite/20_util/to_chars/1_neg.cc: Remove.
* testsuite/20_util/to_chars/3.cc: New test.
* testsuite/20_util/to_chars/lwg3266.cc: New test.
2019-09-10 Christophe Lyon <christophe.lyon@st.com>
* acinclude.m4: Handle uclinux*.
* configure: Regenerate.
* configure.host: Handle uclinux*
2019-09-10 Christophe Lyon <christophe.lyon@st.com>
Mickaël Guêné <mickael.guene@st.com>
* libsupc++/eh_personality.cc (get_ttype_entry): Add FDPIC
support.
2019-09-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91711
* testsuite/23_containers/span/get_neg.cc: Avoid ambiguity due to
0ul being a valid null pointer constant.
* include/std/type_traits (__remove_cv_t): New alias template.
(is_void, is_integral, is_floating_point, is_pointer)
(is_member_object_pointer, is_member_function_pointer, is_null_pointer)
(is_member_point), __is_signed_integer, __is_unsigned_integer)
(__make_unsigned_selector, __make_signed_selector, remove_pointer)
(__decay_selector): Use __remove_cv_t.
(remove_cv): Add partial specializations for cv-qualified types.
(__decay_t): New alias template.
(__decay_and_strip, __common_type_impl, __result_of_impl): Use
__decay_t.
(__enable_if_t): Move earlier in the file.
(_Require): Use __enable_if_t.
(swap(T&, T&)): Use _Require.
(swap(T(&)[N])): Use __enable_if_t.
2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
Implement C++20 p1424 - 'constexpr' feature macro concerns,
Issue 3256 - Feature testing macro for constexpr algorithms,
and Issue 3257 - Missing feature testing macro update from P0858.
* include/std/version (__cpp_lib_constexpr_algorithms): Bump value.
* include/bits/algorithmfwd.h: Ditto.
* include/std/utility: Ditto.
* testsuite/25_algorithms/constexpr_macro.cc: Ditto.
* testsuite/25_algorithms/cpp_lib_constexpr.cc: New check for
__cpp_lib_constexpr macro in <algorith>.
* testsuite/20_util/exchange/constexpr.cc: Add check for
__cpp_lib_constexpr macro in <utility>.
* testsuite/25_algorithms/adjacent_find/constexpr.cc: Remove check for
__cpp_lib_constexpr_algorithms.
* testsuite/25_algorithms/all_of/constexpr.cc: Ditto.
* testsuite/25_algorithms/any_of/constexpr.cc: Ditto.
* testsuite/25_algorithms/binary_search/constexpr.cc: Ditto.
* testsuite/25_algorithms/copy/constexpr.cc: Ditto.
* testsuite/25_algorithms/copy_backward/constexpr.cc: Ditto.
* testsuite/25_algorithms/copy_if/constexpr.cc: Ditto.
* testsuite/25_algorithms/copy_n/constexpr.cc: Ditto.
* testsuite/25_algorithms/count/constexpr.cc: Ditto.
* testsuite/25_algorithms/count_if/constexpr.cc: Ditto.
* testsuite/25_algorithms/equal/constexpr.cc: Ditto.
* testsuite/25_algorithms/equal_range/constexpr.cc: Ditto.
* testsuite/25_algorithms/fill/constexpr.cc: Ditto.
* testsuite/25_algorithms/fill_n/constexpr.cc: Ditto.
* testsuite/25_algorithms/find/constexpr.cc: Ditto.
* testsuite/25_algorithms/find_end/constexpr.cc: Ditto.
* testsuite/25_algorithms/find_first_of/constexpr.cc: Ditto.
* testsuite/25_algorithms/find_if/constexpr.cc: Ditto.
* testsuite/25_algorithms/find_if_not/constexpr.cc: Ditto.
* testsuite/25_algorithms/for_each/constexpr.cc: Ditto.
* testsuite/25_algorithms/generate/constexpr.cc: Ditto.
* testsuite/25_algorithms/generate_n/constexpr.cc: Ditto.
* testsuite/25_algorithms/is_heap/constexpr.cc: Ditto.
* testsuite/25_algorithms/is_heap_until/constexpr.cc: Ditto.
* testsuite/25_algorithms/is_partitioned/constexpr.cc: Ditto.
* testsuite/25_algorithms/is_permutation/constexpr.cc: Ditto.
* testsuite/25_algorithms/is_sorted/constexpr.cc: Ditto.
* testsuite/25_algorithms/is_sorted_until/constexpr.cc: Ditto.
* testsuite/25_algorithms/lexicographical_compare/constexpr.cc: Ditto.
* testsuite/25_algorithms/lower_bound/constexpr.cc: Ditto.
* testsuite/25_algorithms/merge/constexpr.cc: Ditto.
* testsuite/25_algorithms/mismatch/constexpr.cc: Ditto.
* testsuite/25_algorithms/none_of/constexpr.cc: Ditto.
* testsuite/25_algorithms/partition_copy/constexpr.cc: Ditto.
* testsuite/25_algorithms/partition_point/constexpr.cc: Ditto.
* testsuite/25_algorithms/remove/constexpr.cc: Ditto.
* testsuite/25_algorithms/remove_copy/constexpr.cc: Ditto.
* testsuite/25_algorithms/remove_copy_if/constexpr.cc: Ditto.
* testsuite/25_algorithms/remove_if/constexpr.cc: Ditto.
* testsuite/25_algorithms/replace_copy/constexpr.cc: Ditto.
* testsuite/25_algorithms/replace_copy_if/constexpr.cc: Ditto.
* testsuite/25_algorithms/replace_if/constexpr.cc: Ditto.
* testsuite/25_algorithms/reverse_copy/constexpr.cc: Ditto.
* testsuite/25_algorithms/rotate_copy/constexpr.cc: Ditto.
* testsuite/25_algorithms/search/constexpr.cc: Ditto.
* testsuite/25_algorithms/search_n/constexpr.cc: Ditto.
* testsuite/25_algorithms/set_difference/constexpr.cc: Ditto.
* testsuite/25_algorithms/set_intersection/constexpr.cc: Ditto.
* testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: Ditto.
* testsuite/25_algorithms/set_union/constexpr.cc: Ditto.
* testsuite/25_algorithms/transform/constexpr.cc: Ditto.
* testsuite/25_algorithms/unique/constexpr.cc: Ditto.
* testsuite/25_algorithms/unique_copy/constexpr.cc: Ditto.
* testsuite/25_algorithms/upper_bound/constexpr.cc: Ditto.
2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
Update docs for recent <span> and constexpr lib changes.
* doc/xml/manual/status_cxx2020.xml: Update p0202r3, p0858r0, p0879r0,
p1023r0, p1085r2 status.
* doc/html/manual/status.html: Regenerate.
2019-09-09 Antony Polukhin <antoshkka@gmail.com>
* include/bits/charconv.h (__detail::__to_chars_10_impl): Replace
final offsets with constants.
2019-09-09 Jonathan Wakely <jwakely@redhat.com>
* include/bits/range_access.h (__adl_to_address): Remove.
* include/std/span (__is_base_derived_safe_convertible_v): Replace
with span::__is_compatible.
(__is_std_array_v): Replace with __is_std_array class template and
partial specializations.
(__is_std_array, __is_std_span): New class templates and partial
specializations.
(span::__is_compatible): New alias template for SFINAE constraints.
(span::span(element_type (&)[N])): Remove redundant constraints. Do
not use __adl_data to obtain a pointer.
(span::span(array<value_type, N>&)): Likewise.
(span::span(const array<value_type, N>&)): Likewise.
[_GLIBCXX_P1394] (span::iter_reference_t, span::iterator_t)
(span::iter_value_t, span::derived_from): New alias templates for
SFINAE constraints, until the equivalents are supported in <concepts>
and <iterator>.
[_GLIBCXX_P1394] (span::__is_compatible_iterator): New alias template
for SFINAE constraints.
[_GLIBCXX_P1394] (span::is_compatible_range): New class template for
SFINAE constraints.
[_GLIBCXX_P1394] (span::span(Range&&)): Improve constraints.
[_GLIBCXX_P1394] (span::span(ContiguousIterator, Sentinel)): Likewise.
Use std::to_address instead of __adl_to_address.
[_GLIBCXX_P1394] (span::span(ContiguousIterator, size_type)): Likewise.
[!_GLIBCXX_P1394] (span::__is_compatible_container): New alias
template for SFINAE constraints.
[!_GLIBCXX_P1394] (span::span(Container&))
(span::span(const Container&)): Improve constraints.
[!_GLIBCXX_P1394] (span::span(pointer, size_type))
(span::span(pointer, pointer)): Remove redundant cast of pointer.
(span(const span<OType, OExtent>&)): New constructor.
2019-09-06 Jonathan Wakely <jwakely@redhat.com>
* include/bits/range_access.h (ssize): Define for C++20.
* testsuite/24_iterators/range_access_cpp20.cc: New test.
* doc/xml/manual/status_cxx2020.xml: Update P1227R2 status.
* doc/html/*: Regenerate.
2019-09-06 Florian Weimer <fweimer@redhat.com>
* configure: Regenerate.
2019-09-05 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2020.xml: Update status for P0122R7 and
P1024R3. Remove entry for P0920R2.
* include/std/span (__cpp_lib_span): Change value.
(__extent_storage, __extent_storage<dynamic_extent>): Remove default
constructor.
(span): Replace __extent_storage base class with data member.
(span::_S_subspan_extent): New function.
(span::empty()): Add nodiscard attribute.
(span::front, span::back, span::operator[]): Check preconditions.
(span::first, span::last, span::subspan): Add noexcept. Improve
precondition checks (LWG 3103).
(get): Remove redundant condition from static_assert.
(tuple_element<I, span<T, E>>): Fix static_assert message and simplify.
(as_writable_bytes): Add inline specifier.
* include/std/version (__cpp_lib_span): Change value.
* testsuite/23_containers/span/back_neg.cc: Remove stray semi-colon.
* testsuite/23_containers/span/front_neg.cc: Likewise.
* testsuite/23_containers/span/index_op_neg.cc: Likewise.
* testsuite/23_containers/span/last_neg.cc: Improve test.
* testsuite/23_containers/span/subspan_neg.cc: Likewise.
* testsuite/23_containers/span/1.cc: New test.
* testsuite/23_containers/span/2.cc: New test.
* testsuite/23_containers/span/back_assert_neg.cc: New test.
* testsuite/23_containers/span/first_2_assert_neg.cc: New test.
* testsuite/23_containers/span/first_assert_neg.cc: New test.
* testsuite/23_containers/span/first_neg.cc: New test.
* testsuite/23_containers/span/front_assert_neg.cc: New test.
* testsuite/23_containers/span/index_op_assert_neg.cc: New test.
* testsuite/23_containers/span/last_2_assert_neg.cc: New test.
* testsuite/23_containers/span/last_assert_neg.cc: New test.
* testsuite/23_containers/span/subspan_2_assert_neg.cc: New test.
* testsuite/23_containers/span/subspan_3_assert_neg.cc: New test.
* testsuite/23_containers/span/subspan_4_assert_neg.cc: New test.
* testsuite/23_containers/span/subspan_5_assert_neg.cc: New test.
* testsuite/23_containers/span/subspan_6_assert_neg.cc: New test.
* testsuite/23_containers/span/subspan_assert_neg.cc: New test.
2019-09-05 JeanHeyd Meneide <phdofthehouse@gmail.com>
* include/Makefile.am: Add <span> header.
* include/Makefile.in: Regenerate.
* include/bits/range_access.h (__adl_begin, __adl_end, __adl_cbegin)
(__adl_cend, __adl_rbegin, __adl_rend, __adl_crbegin, __adl_crend)
(__adl_data, __adl_cdata, __adl_size, __adl_empty, __adl_to_address):
New functions for performing argument-dependent lookup of range
customization points.
* include/bits/stl_iterator.h (__normal_iterator): Add
_GLIBCXX20_CONSTEXPR to all functions.
* include/std/span: New header.
* include/std/version (__cpp_lib_span): Define feature test macro.
* testsuite/23_containers/span/contiguous_range_neg.cc: New test.
* testsuite/23_containers/span/everything.cc: New test.
* testsuite/23_containers/span/get_neg.cc: New test.
* testsuite/23_containers/span/last_neg.cc: New test.
* testsuite/23_containers/span/subspan_neg.cc: New test.
* testsuite/23_containers/span/tuple_element_dynamic_neg.cc: New test.
* testsuite/23_containers/span/tuple_element_oob_neg.cc: New test.
* testsuite/23_containers/span/tuple_size_neg.cc: New test.
2019-09-05 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/allocator.xml: Remove URL for bibliography entry.
* doc/html/*: Regenerate.
2019-09-04 Mike Crowe <mac@mcrowe.com>
PR libstdc++/41861
* acinclude.m4 (GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT): Check for new
pthread_cond_clockwait function.
* configure.ac: Use GLIBCXX_CHECK_PTHREAD_COND_CLOCKWAIT.
* configure: Regenerate.
* config.h.in: Regenerate.
* include/std/condition_variable: (condition_variable): Rename
__steady_clock_t typedef and add system_clock. Change __clock_t to be
a typedef for the preferred clock to convert arbitrary other clocks to.
[_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (wait_until): Add a steady_clock
overload.
(wait_until): Change __clock_t overload to use system_clock.
[_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT] (__wait_until_impl): Add
steady_clock overload that calls pthread_cond_clockwait.
(__wait_until_impl): Change __clock_t overload to use system_clock.
(condition_variable_any) [_GLIBCXX_USE_PTHREAD_COND_CLOCKWAIT]: Use
steady_clock for __clock_t if pthread_cond_clockwait is available.
2019-09-04 Mike Crowe <mac@mcrowe.com>
* testsuite/30_threads/condition_variable/members/2.cc (test01):
Parameterise so that test can be run against an arbitrary clock.
(main): Test using std::chrono::steady_clock and a user-defined
clock in addition to the previous std::chrono::system_clock.
* testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
2019-09-03 Ulrich Weigand <uweigand@de.ibm.com>
* crossconfig.m4: Remove references to spu.
* configure: Regenerate.
* doc/xml/manual/appendix_contributing.xml: Remove references
to __ea as "badword" for spu.
* doc/html/manual/source_code_style.html: Regenerate.
* include/tr1/ell_integral.tcc (__ellint_rd): Do not attempt
to avoid __ea (as "badword" for spu).
(__ellint_rj): Likewise.
2019-09-03 Chung-Lin Tang <cltang@codesourcery.com>
PR other/79543
* acinclude.m4 (GLIBCXX_CHECK_LINKER_FEATURES): Fix GNU ld --version
scanning to conform to the GNU Coding Standards.
* configure: Regenerate.
2019-09-02 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/memory_resource.cc: Use __constinit keyword.
2019-09-02 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/abi.xml: Document 9.x library versions.
* doc/html/*: Regenerate.
2019-09-02 Jonathan Wakely <jwakely@redhat.com>
* include/std/charconv (__detail::__to_chars_2_len): Use std::log2p1.
(__detail::__to_chars_8_len): Remove.
(__detail::__to_chars_8): Inline length calculation here.
(__detail::__from_chars_binary): Use numeric_limits instead of
CHAR_BIT.
2019-09-02 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.
2019-09-01 François Dumont <fdumont@gcc.gnu.org>
* testsuite_files/util/testsuite_performance.h
(resource_counter::start): Ignore unused malloc(0) result.
2019-09-01 Gerald Pfeifer <gerald@pfeifer.com>
* doc/xml/manual/policy_data_structures_biblio.xml (COM: Component
Model Object Technologies): Adjust name and link.
2019-08-30 Antony Polukhin <antoshkka@gmail.com>
* include/std/charconv (__detail::__to_chars_8)
__detail::__to_chars_16): Replace array of precomputed digits with
arithmetic operations to avoid CPU cache misses. Remove zero
termination from array of digits to allow symbol merge with generic
implementation of __detail::__to_chars. Replace final offsets with
constants. Use __detail::__to_chars_len_2 instead of a generic
__detail::__to_chars_len.
(__detail::__to_chars): Remove zero termination from array of digits.
(__detail::__to_chars_2): Leading digit is always '1'.
2019-08-30 Jonathan Wakely <jwakely@redhat.com>
* testsuite/23_containers/vector/cons/89164_c++17.cc: Fix errors.
2019-08-30 Uros Bizjak <ubizjak@gmail.com>
* config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
2019-08-30 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/89164
* include/bits/stl_algobase.h (__copy_move): Give descriptive names
to template parameters.
* include/bits/stl_uninitialized.h (uninitialized_copy)
(uninitialized_fill, uninitialized_fill_n): Add static assertions to
diagnose invalid uses.
* testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
Adjust expected error.
* testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
New test.
* testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
89164.cc: New test.
* testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
New test.
* testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
89164.cc: New test.
* testsuite/23_containers/vector/cons/89164.cc: New test.
* testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
2019-08-29 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91067
* acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
* configure: Regenerate.
* config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
missing symbols.
* testsuite/27_io/filesystem/iterators/91067.cc: Test move
constructors.
* testsuite/util/testsuite_abi.cc: Add new symbol version.
2019-08-29 Jakub Jelinek <jakub@redhat.com>
* config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2019-08-28 Jonathan Wakely <jwakely@redhat.com>
* config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
* config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
* config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2019-08-23 Joseph Myers <joseph@codesourcery.com>
* src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
(std::filesystem::__gnu_posix::lstat): Add return type.
2019-08-20 Jonathan Wakely <jwakely@redhat.com>
* doc/doxygen/user.cfg.in (INPUT): Remove profile mode headers.
* include/std/numeric (reduce): Fix Doxygen markup.
PR libstdc++/91371
* include/std/type_traits (is_function): Simplify definition. Remove
partial specializations for function types.
(__is_referenceable): Simplify definition.
* testsuite/20_util/bind/91371.cc: New test.
* testsuite/20_util/is_function/91371.cc: New test.
* testsuite/20_util/is_function/value.cc: Check more pointer types.
* testsuite/20_util/is_member_function_pointer/91371.cc: New test.
* testsuite/20_util/is_object/91371.cc: New test.
2019-08-16 Uros Bizjak <ubizjak@gmail.com>
* config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
2019-08-15 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91456
* include/bits/std_function.h (__check_func_return_type): Remove.
(function::_Callable): Use std::__is_invocable_impl instead of
__check_func_return_type.
* include/std/type_traits (__is_invocable_impl): Add another defaulted
template parameter. Define a separate partial specialization for
INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
with a check that models delayed temporary materialization.
* testsuite/20_util/function/91456.cc: New test.
* testsuite/20_util/is_invocable/91456.cc: New test.
2019-08-14 Jonathan Wakely <jwakely@redhat.com>
* include/std/type_traits (__is_nullptr_t): Add deprecated attribute.
2019-08-14 Edward Smith-Rowland <3dw4rd@verizon.net>
Implement C++20 p0879 - Constexpr for swap and swap related functions.
* include/std/version (__cpp_lib_constexpr_swap_algorithms): New macro.
* include/bits/algorithmfwd.h (__cpp_lib_constexpr_swap_algorithms):
New macro.
(iter_swap, make_heap, next_permutation, partial_sort_copy, pop_heap)
(prev_permutation, push_heap, reverse, rotate, sort_heap, swap)
(swap_ranges, nth_element, partial_sort, sort): Add constexpr.
* include/bits/move.h (swap): Add constexpr.
* include/bits/stl_algo.h (__move_median_to_first, __reverse, reverse)
(__gcd, __rotate, rotate, __partition, __heap_select)
(__partial_sort_copy, partial_sort_copy, __unguarded_partition)
(__unguarded_partition_pivot, __partial_sort, __introsort_loop, __sort)
(__introselect, __chunk_insertion_sort, next_permutation)
(prev_permutation, partition, partial_sort, nth_element, sort)
(__iter_swap::iter_swap, iter_swap, swap_ranges): Add constexpr.
* include/bits/stl_algobase.h (__iter_swap::iter_swap, iter_swap)
(swap_ranges): Add constexpr.
* include/bits/stl_heap.h (__push_heap, push_heap, __adjust_heap,
__pop_heap, pop_heap, __make_heap, make_heap, __sort_heap, sort_heap):
Add constexpr.
* include/std/type_traits (swap): Add constexpr.
* testsuite/25_algorithms/headers/algorithm/synopsis.cc: Add constexpr.
* testsuite/25_algorithms/iter_swap/constexpr.cc: New test.
* testsuite/25_algorithms/make_heap/constexpr.cc: New test.
* testsuite/25_algorithms/next_permutation/constexpr.cc: New test.
* testsuite/25_algorithms/nth_element/constexpr.cc: New test.
* testsuite/25_algorithms/partial_sort/constexpr.cc: New test.
* testsuite/25_algorithms/partial_sort_copy/constexpr.cc: New test.
* testsuite/25_algorithms/partition/constexpr.cc: New test.
* testsuite/25_algorithms/pop_heap/constexpr.cc: New test.
* testsuite/25_algorithms/prev_permutation/constexpr.cc: New test.
* testsuite/25_algorithms/push_heap/constexpr.cc: New test.
* testsuite/25_algorithms/reverse/constexpr.cc: New test.
* testsuite/25_algorithms/rotate/constexpr.cc: New test.
* testsuite/25_algorithms/sort/constexpr.cc: New test.
* testsuite/25_algorithms/sort_heap/constexpr.cc: New test.
* testsuite/25_algorithms/swap/constexpr.cc: New test.
* testsuite/25_algorithms/swap_ranges/constexpr.cc: New test.
2019-08-12 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90361
* src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
* include/std/tuple (__unpack_std_tuple): New variable template and
partial specializations.
(apply, make_from_tuple): Add noexcept-specifier.
* testsuite/20_util/tuple/apply/2.cc: New test.
* testsuite/20_util/tuple/make_from_tuple/2.cc: New test.
2019-08-09 Corentin Gay <gay@adacore.com>
* testsuite/ext/random/beta_distribution/operators/serialize.cc,
testsuite/ext/random/hypergeometric_distribution/operators/serialize.cc,
testsuite/ext/random/normal_mv_distribution/operators/serialize.cc,
testsuite/ext/random/triangular_distribution/operators/serialize.cc,
testsuite/ext/random/von_mises_distribution/operators/serialize.cc:
Add call to `VERIFY`.
2019-08-09 Alexandre Oliva <oliva@adacore.com>
* include/ext/random
(normal_mv_distribution::param_type::param_type): New private
ctor taking a decomposed varcov matrix, for use by...
(operator>>): ... this, befriended.
* include/ext/random.tcc (operator>>): Use it.
(normal_mv_distribution::param_type::_M_init_lower): Adjust
member function name in exception message.
2019-08-08 Jonathan Wakely <jwakely@redhat.com>
P0325R4 to_array from LFTS with updates
* include/experimental/array (to_array): Qualify call to __to_array.
* include/std/array (__cpp_lib_to_array, to_array): Define for C++20.
* include/std/version (__cpp_lib_to_array): Likewise.
* testsuite/23_containers/array/creation/1.cc: New test.
* testsuite/23_containers/array/creation/2.cc: New test.
* testsuite/23_containers/array/creation/3_neg.cc: New test.
* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
Use zero for dg-error line number.
2019-08-06 Jonathan Wakely <jwakely@redhat.com>
P1651R0 bind_front should not unwrap reference_wrapper
* include/std/functional (bind_front): Don't unwrap reference_wrapper.
* include/std/version (__cpp_lib_bind_front): Update value.
* testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
feature test macro.
* testsuite/20_util/function_objects/bind_front/2.cc: New test.
* include/std/numbers [!__STRICT_ANSI__ && _GLIBCXX_USE_FLOAT128]
(e_v, log2e_v, log10e_v, pi_v, inv_pi_v, inv_sqrtpi_v, ln2_v, ln10_v)
(sqrt2_v, sqrt3_v, inv_sqrt3, egamma_v, phi_v): Add explicit
specializations for __float128.
* testsuite/26_numerics/numbers/float128.cc: New test.
2019-08-04 Gerald Pfeifer <gerald@pfeifer.com>
* doc/xml/manual/documentation_hacking.xml: doxygen.org is now
doxygen.nl.
2019-08-01 Edward Smith-Rowland <3dw4rd@verizon.net>
Implement C++20 p0202 - Add Constexpr Modifiers to Functions
in <algorithm> and <utility> Headers.
Implement C++20 p1023 - constexpr comparison operators for std::array.
* include/bits/algorithmfwd.h (all_of, any_of, binary_search, copy,
copy_backward, copy_if, copy_n, equal_range, fill, find_end,
find_if_not, includes, is_heap, is_heap_until, is_partitioned,
is_permutation, is_sorted, is_sorted_until, iter_swap, lower_bound,
none_of, partition_copy, partition_point, remove, remove_if,
remove_copy, remove_copy_if, replace_copy, replace_copy_if,
reverse_copy, rotate_copy, uunique, upper_bound, adjacent_find, count,
count_if, equal, find, find_first_of, find_if, for_each, generate,
generate_n, lexicographical_compare, merge, mismatch, replace,
replace_if, search, search_n, set_difference, set_intersection,
set_symmetric_difference, set_union, transform, unique_copy):
Mark constexpr.
* include/bits/cpp_type_traits.h (__miter_base): Mark constexpr.
* include/bits/predefined_ops.h (_Iter_less_val::operator(),
_Val_less_iter::operator(), _Iter_equal_to_iter::operator(),
_Iter_equal_to_val::operator(), _Iter_equals_val::operator()):
Use const ref instead of ref arg;
(_Iter_less_val, __iter_less_val, _Val_less_iter, __val_less_iter,
__iter_equal_to_iter, __iter_equal_to_val, __iter_comp_val,
_Iter_comp_val, _Val_comp_iter, __val_comp_iter, __iter_equals_val,
_Iter_equals_iter, __iter_comp_iter, _Iter_pred, __pred_iter,
_Iter_comp_to_val, __iter_comp_val, _Iter_comp_to_iter,
__iter_comp_iter): Mark constexpr.
* include/bits/stl_algo.h (__find_if, __find_if_not, __find_if_not_n,
__search, __search_n_aux, __search_n, __find_end, find_end, all_of,
none_of, any_of, find_if_not, is_partitioned, partition_point,
__remove_copy_if, remove_copy, remove_copy_if, copy_if, __copy_n,
copy_n, partition_copy, __remove_if, remove, remove_if, __adjacent_find,
__unique, unique, __unique_copy, reverse_copy, rotate_copy,
__unguarded_linear_insert, __insertion_sort, __unguarded_insertion_sort,
__final_insertion_sort, lower_bound, __upper_bound, upper_bound,
__equal_range, equal_range, binary_search, __includes, includes,
__next_permutation, __prev_permutation, __replace_copy_if, replace_copy,
replace_copy_if, __count_if, is_sorted, __is_sorted_until,
is_sorted_until, __is_permutation, is_permutation, for_each, find,
find_if, find_first_of, adjacent_find, count, count_if, search,
search_n, transform, replace, replace_if, generate, generate_n,
unique_copy, __merge, merge, __set_union, set_union, __set_intersection,
set_intersection, __set_difference, set_difference,
__set_symmetric_difference, set_symmetric_difference): Mark constexpr.
* include/bits/stl_algobase.h (__memmove, __memcmp): New maybe constexpr
wrappers around __builtin_memmove and __builtin_memcmp
respectively;
(__niter_base, __niter_wrap, __copy_m, __copy_move_a, __copy_move_a2,
copy, move, __copy_move_b, __copy_move_backward_a,
__copy_move_backward_a2, copy_backward, move_backward, __fill_a, fill,
__fill_n_a, fill_n, equal, __lc_rai::__newlast1, __lc_rai::__cnd2,
__lexicographical_compare_impl, __lexicographical_compare,
__lexicographical_compare<true>::__lc, __lexicographical_compare_aux,
__lower_bound, lower_bound, equal, __equal4, lexicographical_compare,
__mismatch, mismatch, __is_heap_until, __is_heap, is_heap_until,
is_heap): Mark constexpr.
* include/bits/stl_heap.h (__is_heap_until, __is_heap, is_heap_until,
is_heap): Mark constexpr.
* include/bits/stl_iterator.h (__niter_base, __miter_base): Mark constexpr.
* include/std/array: Make comparison ops constexpr.
* include/std/utility: Make exchange constexpr.
* include/std/version (__cpp_lib_constexpr_algorithms): New macro.
* testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
* testsuite/23_containers/array/tuple_interface/
tuple_element_neg.cc: Adjust.
* testsuite/20_util/exchange/constexpr.cc: New.
* testsuite/23_containers/array/comparison_operators/constexpr.cc: New.
* testsuite/25_algorithms/constexpr_macro.cc: New.
* testsuite/25_algorithms/adjacent_find/constexpr.cc: New.
* testsuite/25_algorithms/all_of/constexpr.cc: New.
* testsuite/25_algorithms/any_of/constexpr.cc: New.
* testsuite/25_algorithms/binary_search/constexpr.cc: New.
* testsuite/25_algorithms/copy/constexpr.cc: New.
* testsuite/25_algorithms/copy_backward/constexpr.cc: New.
* testsuite/25_algorithms/copy_if/constexpr.cc: New.
* testsuite/25_algorithms/copy_n/constexpr.cc: New.
* testsuite/25_algorithms/count/constexpr.cc: New.
* testsuite/25_algorithms/count_if/constexpr.cc: New.
* testsuite/25_algorithms/equal/constexpr.cc: New.
* testsuite/25_algorithms/equal_range/constexpr.cc: New.
* testsuite/25_algorithms/fill/constexpr.cc: New.
* testsuite/25_algorithms/fill_n/constexpr.cc: New.
* testsuite/25_algorithms/find/constexpr.cc: New.
* testsuite/25_algorithms/find_end/constexpr.cc: New.
* testsuite/25_algorithms/find_first_of/constexpr.cc: New.
* testsuite/25_algorithms/find_if/constexpr.cc: New.
* testsuite/25_algorithms/find_if_not/constexpr.cc: New.
* testsuite/25_algorithms/for_each/constexpr.cc: New.
* testsuite/25_algorithms/generate/constexpr.cc: New.
* testsuite/25_algorithms/generate_n/constexpr.cc: New.
* testsuite/25_algorithms/is_heap/constexpr.cc: New.
* testsuite/25_algorithms/is_heap_until/constexpr.cc: New.
* testsuite/25_algorithms/is_partitioned/constexpr.cc: New.
* testsuite/25_algorithms/is_permutation/constexpr.cc: New.
* testsuite/25_algorithms/is_sorted/constexpr.cc: New.
* testsuite/25_algorithms/is_sorted_until/constexpr.cc: New.
* testsuite/25_algorithms/lexicographical_compare/constexpr.cc: New.
* testsuite/25_algorithms/lower_bound/constexpr.cc: New.
* testsuite/25_algorithms/merge/constexpr.cc: New.
* testsuite/25_algorithms/mismatch/constexpr.cc: New.
* testsuite/25_algorithms/none_of/constexpr.cc: New.
* testsuite/25_algorithms/partition_copy/constexpr.cc: New.
* testsuite/25_algorithms/partition_point/constexpr.cc: New.
* testsuite/25_algorithms/remove/constexpr.cc: New.
* testsuite/25_algorithms/remove_copy/constexpr.cc: New.
* testsuite/25_algorithms/remove_copy_if/constexpr.cc: New.
* testsuite/25_algorithms/remove_if/constexpr.cc: New.
* testsuite/25_algorithms/replace_copy/constexpr.cc: New.
* testsuite/25_algorithms/replace_copy_if/constexpr.cc: New.
* testsuite/25_algorithms/replace_if/constexpr.cc: New.
* testsuite/25_algorithms/reverse_copy/constexpr.cc: New.
* testsuite/25_algorithms/rotate_copy/constexpr.cc: New.
* testsuite/25_algorithms/search/constexpr.cc: New.
* testsuite/25_algorithms/search_n/constexpr.cc: New.
* testsuite/25_algorithms/set_difference/constexpr.cc: New.
* testsuite/25_algorithms/set_intersection/constexpr.cc: New.
* testsuite/25_algorithms/set_symmetric_difference/constexpr.cc: New.
* testsuite/25_algorithms/set_union/constexpr.cc: New.
* testsuite/25_algorithms/transform/constexpr.cc: New.
* testsuite/25_algorithms/unique/constexpr.cc: New.
* testsuite/25_algorithms/unique_copy/constexpr.cc: New.
* testsuite/25_algorithms/upper_bound/constexpr.cc: New.
2019-07-31 Jonathan Wakely <jwakely@redhat.com>
* include/std/memory (make_obj_using_allocator): Qualify call to
uses_allocator_construction_args.
P0631R4 Math Constants
* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/precompiled/stdc++.h: Include new header.
* include/std/numbers: New header.
* include/std/version (__cpp_lib_math_constants): Define.
* testsuite/26_numerics/numbers/1.cc: New test.
* testsuite/26_numerics/numbers/2.cc: New test.
* testsuite/26_numerics/numbers/3.cc: New test.
* testsuite/26_numerics/numbers/nonfloat_neg.cc: New test.
* include/std/bit: Add Doxygen comments.
PR libstdc++/91308
* include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
constraints on deleter that should only apply to the constructor.
(unique_ptr<T[], D>::__safe_conversion_up): Likewise.
(unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
constraints on deleter here.
* testsuite/20_util/unique_ptr/assign/91308.cc: New test.
2019-07-29 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/51333
* libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
constructor inline.
* libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
constructor.
* testsuite/18_support/51333.cc: New test.
2019-07-28 Gerald Pfeifer <gerald@pfeifer.com>
* doc/xml/manual/documentation_hacking.xml: Fix broken reference
to the Doxygen manual. Avoid a "here" link on the way.
Fix another broken link to Doxygen docblocks.
2019-07-26 Jonathan Wakely <jwakely@redhat.com>
* include/std/bit (__cpp_lib_endian): Define.
* include/std/version (__cpp_lib_endian): Define.
* testsuite/26_numerics/endian/2.cc: New.
* testsuite/26_numerics/endian/3.cc: New.
* testsuite/26_numerics/endian/4.cc: New.
2019-07-26 François Dumont <fdumont@gcc.gnu.org>
* testsuite/util/testsuite_iterators.h
(bidirectional_iterator_wrapper): Fix type comment.
(random_access_iterator_wrapper): Likewise.
2019-07-25 Jonathan Wakely <jwakely@redhat.com>
* include/std/bit (endian): Move definition here as per P1612R1.
* include/std/type_traits (endian): Remove definition from here.
* testsuite/20_util/endian/1.cc: Rename to ...
* testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
2019-07-25 Martin Liska <mliska@suse.cz>
Dominik Infuhr <dominik.infuehr@theobroma-systems.com>
PR c++/23383
* testsuite/ext/bitmap_allocator/check_delete.cc: Add
-fno-allocation-dce.
* testsuite/ext/bitmap_allocator/check_new.cc: Likewise.
* testsuite/ext/new_allocator/check_delete.cc: Likewise.
* testsuite/ext/new_allocator/check_new.cc: Likewise.
2019-07-22 Jonathan Wakely <jwakely@redhat.com>
* testsuite/26_numerics/bit/bitops.count/*: Rename to ...
* testsuite/26_numerics/bit/bit.count/*: Here.
* include/std/bit (__rotl, __rotr): Change second parameter from
unsigned int to int and handle negative values.
(rotl, rotr): Remove check for __STRICT_ANSI__. Change second
parameter from unsigned int to int. Add nodiscard attribute.
* testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
* testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
shifts.
* testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
* testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
shifts.
* include/std/bit (__ceil2): Make unrepresentable results undefined,
as per P1355R2. Add debug assertion. Perform one left shift, not two,
so that out of range values cause undefined behaviour. Ensure that
shift will still be undefined if left operand is promoted.
* testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
unrepresentable values with checks that they are not core constant
expressions.
* testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
2019-07-19 François Dumont <fdumont@gcc.gnu.org>
* include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): Fix
sized deallocation size computation.
2019-07-19 Andreas Schwab <schwab@linux-m68k.org>
* config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
2019-07-18 François Dumont <fdumont@gcc.gnu.org>
* include/bits/stl_tempbuf.h (__detail::__return_temporary_buffer): New.
(~_Temporary_buffer()): Use latter.
(_Temporary_buffer(_FIterator, size_type)): Likewise.
2019-07-17 Andreas Schwab <schwab@suse.de>
* config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
2019-07-16 Jason Merrill <jason@redhat.com>
* include/std/memory (uses_allocator_construction_args): Add parens
around constraint.
2019-07-12 Jonathan Wakely <jwakely@redhat.com>
* testsuite/29_atomics/atomic_float/1.cc: Fix comment.
* include/experimental/string_view (__detail::__idt): Remove.
(operator==, operator!=, operator<, operator>, operator<=, operator>=):
Use __type_identity_t instead of __detail::__idt;
* include/std/string_view (__detail::__idt): Remove.
(operator==, operator!=, operator<, operator>, operator<=, operator>=):
Use __type_identity_t instead of __detail::__idt;
* include/std/type_traits (__type_identity_t): New alias template.
* doc/xml/manual/status_cxx2020.xml: Update status for atomic_ref
and floating point atomics.
2019-07-11 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/configure.xml: Improve documentation of
--enable-libstdcxx-time option.
* include/bits/atomic_base.h (__atomic_impl): New namespace for
wrappers around atomic built-ins.
(__atomic_float, __atomic_ref): New class templates for use as base
classes.
* include/std/atomic (atomic<float>, atomic<double>)
(atomic<long double>): New explicit specializations.
(atomic_ref): New class template.
(__cpp_lib_atomic_ref): Define.
* include/std/version (__cpp_lib_atomic_ref): Define.
* testsuite/29_atomics/atomic/60695.cc: Adjust dg-error.
* testsuite/29_atomics/atomic_float/1.cc: New test.
* testsuite/29_atomics/atomic_float/requirements.cc: New test.
* testsuite/29_atomics/atomic_ref/deduction.cc: New test.
* testsuite/29_atomics/atomic_ref/float.cc: New test.
* testsuite/29_atomics/atomic_ref/generic.cc: New test.
* testsuite/29_atomics/atomic_ref/integral.cc: New test.
* testsuite/29_atomics/atomic_ref/pointer.cc: New test.
* testsuite/29_atomics/atomic_ref/requirements.cc: New test.
2019-07-06 Jonathan Wakely <jwakely@redhat.com>
* include/ext/atomicity.h (__exchange_and_add, __atomic_add): Replace
throw() with _GLIBCXX_NOTHROW.
(__atomic_add_dispatch): Return after performing atomic increment.
2019-07-05 Jonathan Wakely <jwakely@redhat.com>
* include/ext/atomicity.h [_GLIBCXX_ATOMIC_BUILTINS] (__atomic_add)
(__exchange_and_add): Replace static specifier with always_inline
attribute.
(__exchange_and_add_single, __atomic_add_single): Likewise.
(__exchange_and_add_dispatch, __atomic_add_dispatch): Likewise. Also
combine !__gthread_active_p() and !__GTHREADS branches.
2019-07-03 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91067
* acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
* configure: Regenerate.
* config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
missing symbols.
* testsuite/27_io/filesystem/iterators/91067.cc: New test.
* testsuite/util/testsuite_abi.cc: Add new symbol version.
2019-07-02 Jonathan Wakely <jwakely@redhat.com>
* include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
(_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
instead of __is_identifier to detect Clang support.
2019-07-02 Jim Wilson <jimw@sifive.com>
* configure.ac (BUILD_PDF): Also test for doxygen, dot, xsltproc,
and xmllint.
* configure: Regenerate.
2019-06-27 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91012
* src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
for the what_arg parameters.
(filesystem_error::filesystem_error): Pass system_error::what() to
the _Impl constructor.
* testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
filesystem_error::what() contains system_error::what().
2019-06-26 Jonathan Wakely <jwakely@redhat.com>
* include/std/charconv (chars_format): Define bitmask type.
* testsuite/20_util/to_chars/chars_format.cc: New test.
* include/bits/fs_path.h (path::__is_encoded_char): Use __is_one_of.
* include/std/bit (_If_is_unsigned_integer_type): Remove.
(_If_is_unsigned_integer): Use __is_unsigned_integer.
(rotl(byte, unsigned), rotr(byte, unsigned), countl_zero(byte))
(countl_one(byte), countr_zero(byte), countr_one(byte))
(popcount(byte), ispow2(byte), ceil2(byte), floor2(byte))
(log2p1(byte)): Remove.
* include/std/charconv (__detail::__is_one_of): Move to <type_traits>.
(__detail::__is_int_to_chars_type): Remove.
(__detail::__integer_to_chars_result_type): Use __is_signed_integer
and __is_unsigned_integer.
* include/std/type_traits (__is_one_of): Move here from <charconv>.
(__is_signed_integer, __is_unsigned_integer): New helpers.
* testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
std::byte overload.
* testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
* testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
* testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
* testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
* testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
* testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
* testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
* testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
* testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
* testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
2019-06-25 Jonathan Wakely <jwakely@redhat.com>
* include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
function.
2019-06-25 Jakub Jelinek <jakub@redhat.com>
* include/pstl/pstl_config.h (_PSTL_PRAGMA_SIMD_SCAN,
_PSTL_PRAGMA_SIMD_INCLUSIVE_SCAN, _PSTL_PRAGMA_SIMD_EXCLUSIVE_SCAN):
Define to OpenMP 5.0 pragmas even for GCC 10.0+.
(_PSTL_UDS_PRESENT): Define to 1 for GCC 10.0+.
2019-06-24 Jonathan Wakely <jwakely@redhat.com>
* include/std/numeric (midpoint(T, T)): Change implementation for
floating-point types to avoid incorrect rounding of denormals.
* testsuite/26_numerics/midpoint/floating.cc: Add check for correct
rounding with denormals.
* testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
* testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
* testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
2019-06-20 Jonathan Wakely <jwakely@redhat.com>
* acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
stage of bootstrap.
* configure: Regenerate.
* include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
Qualify calls to __never_valueless.
* doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
C++17 working draft.
* testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
vector<bool> for test.
* testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2019-06-19 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
private.
(istream_iterator::_M_read()): Do not check stream state before
attempting extraction. Set stream pointer to null when extraction
fails (P0738R2).
(operator==(const istream_iterator&, const istream_iterator&)): Change
to be a hidden friend of istream_iterator.
(operator!=(const istream_iterator&, const istream_iterator&)):
Likewise.
(ostream_iterator::ostream_iterator()): Add default constructor.
(ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
addressof.
* testsuite/24_iterators/istream_iterator/1.cc: New test.
* testsuite/24_iterators/ostream_iterator/1.cc: New test.
* testsuite/24_iterators/ostream_iterator/70766.cc: Also check
constructor taking a string.
* testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
New test.
2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90945
* python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
values of type bool for vector<bool> elements.
* testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
* testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2019-06-19 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90920 partially revert r263433
* include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
(rotate): Remove checks.
* testsuite/25_algorithms/rotate/90920.cc: New test.
* include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
category used in invocable check.
(reduce(Iter, Iter, T)): Pass initial value as rvalue.
* testsuite/26_numerics/reduce/2.cc: New test.
2019-06-18 Jonathan Wakely <jwakely@redhat.com>
* include/bits/algorithmfwd.h: Change title of doc group.
* include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
P0024R2.
* include/bits/stl_numeric.h: Define doc group and add algos to it.
* include/std/numeric (__is_random_access_iter): New internal trait.
(reduce, transform_reduce, exclusive_scan, inclusive_scan)
(transform_exclusive_scan, transform_inclusive_scan): Likewise.
* testsuite/25_algorithms/for_each/for_each_n.cc: New test.
* testsuite/26_numerics/exclusive_scan/1.cc: New test.
* testsuite/26_numerics/inclusive_scan/1.cc: New test.
* testsuite/26_numerics/reduce/1.cc: New test.
* testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
* testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
* testsuite/26_numerics/transform_reduce/1.cc: New test.
* testsuite/util/testsuite_iterators.h (test_container::size()): New
member function.
* include/c_global/cstddef (std::byte): Perform arithmetic operations
in unsigned int to avoid promotion (LWG 2950).
2019-06-17 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
failure on AIX.
* include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
PR libstdc++/90281 Fix string conversions for filesystem::path
* include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
__str_codecvt_in_all to fail for partial conversions and throw on
error.
[!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
(path::_Cvt<char8_t>): Add explicit specialization.
[_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
overloads.
[_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
if-constexpr instead of dispatching to _S_wconvert. Use codecvt
instead of codecvt_utf8. Use __str_codecvt_in_all and
__str_codecvt_out_all.
[!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
(path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
after converting to UTF-8.
(path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
__str_codecvt_in_all.
(path::string): Fix initialization of string types with different
allocators.
(path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
* include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
runtime conditions.
(__str_codecvt_out_all, __str_codecvt_in_all): New functions that
return false for partial conversions.
* include/experimental/bits/fs_path.h (u8path):
[_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
[_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
instead of codecvt_utf8. Use __str_codecvt_in_all and
__str_codecvt_out_all.
[!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
(path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
(path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
__str_codecvt_in_all.
(path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
* src/c++17/fs_path.cc (path::_S_convert_loc): Use
__str_codecvt_in_all.
* src/filesystem/path.cc (path::_S_convert_loc): Likewise.
* testsuite/27_io/filesystem/path/construct/90281.cc: New test.
* testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
* testsuite/27_io/filesystem/path/native/string.cc: Test with empty
strings and with Unicode characters outside the basic multilingual
plane.
* testsuite/27_io/filesystem/path/native/alloc.cc: New test.
* testsuite/experimental/filesystem/path/construct/90281.cc: New test.
* testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
* testsuite/experimental/filesystem/path/native/alloc.cc: New test.
* testsuite/experimental/filesystem/path/native/string.cc: Test with
empty strings and with Unicode characters outside the basic
multilingual plane.
2019-06-17 François Dumont <fdumont@gcc.gnu.org>
Jonathan Wakely <jwakely@redhat.com>
* include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
(_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
deallocate node if insertion fails.
(_Hashtable::_M_insert_multi_node): Likewise.
(_Hashtable::_M_reinsert_node): Pass additional key argument.
(_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
(_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
(_Hashtable::extract(const_iterator)): Use _M_extract_node.
(_Hashtable::extract(const _Key&)): Likewise.
(_Hashtable::_M_merge_unique): Pass additional key argument.
(_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
_Scoped_node.
(_Hashtable::_M_insert): Likewise.
* include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
(_Hashtable_alloc): Add comments to functions with misleading names.
2019-06-17 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/bad_function_call/what.cc: Include <string> header
for std::string.
* testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
* testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
header for std::allocator.
* testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
using-declaration for std::size_t.
* testsuite/23_containers/array/tuple_interface/tuple_size.cc:
Likewise.
* testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
std::istream.
* testsuite/23_containers/vector/cons/55977.cc: Likewise.
* testsuite/experimental/map/erasure.cc: Include <string> for
std::string.