2020-02-24 23:01:29 +01:00
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2020-02-25 Patrick Palka <ppalka@redhat.com>
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2020-02-24 23:13:40 +01:00
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LWG 3397 basic_istream_view::iterator should not provide
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iterator_category
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* include/std/ranges (basic_istream_view:_Iterator::iterator_category):
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Rename to ...
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(basic_istream_view:_Iterator::iterator_concept): ... this.
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* testsuite/std/ranges/istream_view.cc: Augment test.
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2020-02-24 22:21:55 +01:00
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LWG 3325 Constrain return type of transformation function for
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transform_view
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* include/std/ranges (transform_view): Constrain the return type of the
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transformation function as per LWG 3325.
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* testsuite/std/ranges/adaptors/lwg3325_neg.cc: New test.
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2020-02-24 22:09:48 +01:00
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LWG 3313 join_view::_Iterator::operator-- is incorrectly constrained
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* include/std/ranges (join_view::_Iterator::operator--): Require that
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range_reference_t<_Base> models common_range.
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* testsuite/std/ranges/adaptors/lwg3313_neg.cc: New test.
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2020-02-24 22:38:07 +01:00
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LWG 3301 transform_view::_Iterator has incorrect iterator_category
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* include/std/ranges (transform_view::_Iterator::_S_iter_cat): Adjust
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determination of iterator_category as per LWG 3301.
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* testsuite/std/ranges/adaptors/transform.cc: Augment test.
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2020-02-24 23:01:29 +01:00
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LWG 3292 iota_view is under-constrained
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* include/std/ranges (iota_view): Require that _Winc models semiregular
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as per LWG 3292.
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* testsuite/std/ranges/iota/lwg3292_neg.cc: New test.
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2020-02-25 17:58:52 +01:00
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2020-02-25 Jonathan Wakely <jwakely@redhat.com>
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2020-02-25 13:21:44 +01:00
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libstdc++: Remove __memmove wrapper for constexpr algorithms
The mutating sequence algorithms std::copy, std::copy_backward,
std::move and std::move_backward conditionally use __builtin_memmove
for trivially copyable types. However, because memmove isn't usable in
constant expressions the use of __builtin_memmove is wrapped in a
__memmove function which replaces __builtin_memmove with a handwritten
loop when std::is_constant_evaluated() is true.
This means we have a manual loop for non-trivially copyable cases, and a
different manual loop for trivially copyable but constexpr cases. The
latter loop has incorrect semantics for the {copy,move}_backward cases
and so isn't used for them. Until earlier today the latter loop also had
incorrect semantics for the std::move cases, trying to move from const
rvalues.
The approach taken by this patch is to remove the __memmove function
entirely and use the original (and correct) manual loops for the
constexpr cases as well as the non-trivially copyable cases. This was
already done for move_backward and copy_backward, but was incorrectly
turning copy_backward into move_backward, by failing to use the _IsMove
constant to select the right specialization. This patch also fixes that.
* include/bits/ranges_algobase.h (__copy_or_move): Do not use memmove
during constant evaluation. Call __builtin_memmove directly instead of
__memmove.
(__copy_or_move_backward): Likewise.
* include/bits/stl_algobase.h (__memmove): Remove.
(__copy_move<M, true, random_access_iterator_tag>::__copy_m)
(__copy_move_backward<M, true, random_access_iterator_tag>::__copy_m):
Use __builtin_memmove directly instead of __memmove.
(__copy_move_a2): Do not use memmove during constant evaluation.
(__copy_move_backward_a2): Use _IsMove constant to select correct
__copy_move_backward specialization.
* testsuite/25_algorithms/copy_backward/constexpr.cc: Check for copies
begin turned into moves during constant evaluation.
2020-02-25 15:16:42 +01:00
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* include/bits/ranges_algobase.h (__copy_or_move): Do not use memmove
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during constant evaluation. Call __builtin_memmove directly instead of
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__memmove.
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(__copy_or_move_backward): Likewise.
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* include/bits/stl_algobase.h (__memmove): Remove.
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(__copy_move<M, true, random_access_iterator_tag>::__copy_m)
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(__copy_move_backward<M, true, random_access_iterator_tag>::__copy_m):
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Use __builtin_memmove directly instead of __memmove.
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(__copy_move_a2): Do not use memmove during constant evaluation.
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(__copy_move_backward_a2): Use _IsMove constant to select correct
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__copy_move_backward specialization.
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* testsuite/25_algorithms/copy_backward/constexpr.cc: Check for copies
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begin turned into moves during constant evaluation.
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2020-02-25 13:42:03 +01:00
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* testsuite/25_algorithms/move_backward/93872.cc: Add test left out of
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previous commit.
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2020-02-25 13:21:44 +01:00
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PR libstdc++/93872
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* include/bits/stl_algobase.h (__memmove): Cast away const before
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doing move assignment.
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* testsuite/25_algorithms/move/93872.cc: New test.
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* testsuite/25_algorithms/move_backward/93872.cc: New test.
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2020-02-21 19:55:01 +01:00
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2020-02-24 Patrick Palka <ppalka@redhat.com>
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2020-02-24 13:59:08 +01:00
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PR libstdc++/93884
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* include/bits/ranges_algobase.h (__copy_or_move,
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__copy_or_move_backward): Don't inspect the iter_value_t of the output
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iterator, instead inspect its iterator_traits directly.
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* include/bits/stl_iterator.h (back_insert_iterator::container):
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Conditionally initialize.
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(back_insert_iterator::difference_type): Conditionally define.
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(back_insert_iterator::back_insert_iterator): Conditionally define this
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default constructor.
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(front_insert_iterator::container): Conditionally initialize.
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(front_insert_iterator::difference_type): Conditionally define.
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(front_insert_iterator::front_insert_iterator): Conditionally define
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this default constructor.
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* 24_iterators/back_insert_iterator/pr93884.cc: New test.
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* 24_iterators/front_insert_iterator/pr93884.cc: New test.
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2020-02-21 19:55:01 +01:00
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P0769R2 Add shift to <algorithm>
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* include/bits/ranges_algo.h (shift_left, shift_right): New.
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* testsuite/25_algorithms/shift_left/1.cc: New test.
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* testsuite/25_algorithms/shift_right/1.cc: New test.
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2020-02-24 12:45:20 +01:00
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2020-02-24 Jonathan Wakely <jwakely@redhat.com>
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2020-02-24 15:22:21 +01:00
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* include/bits/stream_iterator.h (istream_iterator(default_sentinel_t)):
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Make noexcept-specifier conditional.
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* testsuite/24_iterators/istream_iterator/cons/sentinel.cc: Check
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noexcept-specifier.
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2020-02-24 14:11:31 +01:00
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* include/bits/stream_iterator.h (istream_iterator(default_sentinel_t)):
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Add constructor.
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(operator==(istream_iterator, default_sentinel_t)): Add operator.
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(ostream_iterator::difference_type): Define to ptrdiff_t for C++20.
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* include/bits/streambuf_iterator.h
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(istreambuf_iterator(default_sentinel_t)): Add constructor.
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(operator==(istreambuf_iterator, default_sentinel_t)): Add operator.
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* testsuite/24_iterators/istream_iterator/cons/sentinel.cc:
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New test.
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* testsuite/24_iterators/istream_iterator/sentinel.cc: New test.
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* testsuite/24_iterators/istreambuf_iterator/cons/sentinel.cc:
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New test.
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* testsuite/24_iterators/istreambuf_iterator/sentinel.cc: New test.
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2020-02-24 12:45:20 +01:00
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* include/std/ranges (__deep_const_range, __enable_view_impl): Remove.
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(ranges::enable_view): Simplify (LWG 3326).
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* include/bits/range_access.h (ranges::enable_view): Declare.
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* include/bits/regex.h (__enable_view_impl): Remove partial
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specialization.
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* include/bits/stl_multiset.h (__enable_view_impl): Likewise.
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* include/bits/stl_set.h (__enable_view_impl): Likewise.
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* include/bits/unordered_set.h (__enable_view_impl): Likewise.
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* include/debug/multiset.h (__enable_view_impl): Likewise.
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* include/debug/set.h (__enable_view_impl): Likewise.
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* include/debug/unordered_set (__enable_view_impl): Likewise.
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* include/experimental/string_view (ranges::enable_view): Define
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partial specialization.
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* include/std/span (ranges::enable_view): Likewise.
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* include/std/string_view (ranges::enable_view): Likewise.
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* testsuite/std/ranges/view.cc: Check satisfaction of updated concept.
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2020-02-21 13:02:15 +01:00
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2020-02-21 Jonathan Wakely <jwakely@redhat.com>
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* include/std/optional (operator<=>(optional<T>, optional<U>))
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(operator<=>(optional<T>, nullopt), operator<=>(optional<T>, U)):
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Define for C++20.
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* include/std/tuple (__tuple_cmp): New helper function for <=>.
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(operator<=>(tuple<T...>, tuple<U>...)): Define for C++20.
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* include/std/variant (operator<=>(variant<T...>, variant<T...>))
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(operator<=>(monostate, monostate)): Define for C++20.
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* testsuite/20_util/optional/relops/three_way.cc: New test.
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* testsuite/20_util/tuple/comparison_operators/three_way.cc: New test.
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* testsuite/20_util/variant/89851.cc: Move to ...
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* testsuite/20_util/variant/relops/89851.cc: ... here.
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* testsuite/20_util/variant/90008.cc: Move to ...
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* testsuite/20_util/variant/relops/90008.cc: ... here.
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* testsuite/20_util/variant/relops/three_way.cc: New test.
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2020-02-20 05:14:02 +01:00
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2020-02-20 Patrick Palka <ppalka@redhat.com>
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2020-02-19 20:10:32 +01:00
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* include/std/ranges (views::__adaptor::__maybe_refwrap): New utility
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function.
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(views::__adaptor::_RangeAdaptor::operator()): Add comments. Use
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__maybe_refwrap to capture lvalue references by reference, and then use
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unwrap_reference_t to forward the by-reference captures as references.
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* testsuite/std/ranges/adaptors/split.cc: Augment test.
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* testsuite/std/ranges/adaptors/split_neg.cc: New test.
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2020-02-20 05:14:02 +01:00
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* include/std/ranges (iota_view): Forward declare _Sentinel.
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(iota_view::_Iterator): Befriend _Sentinel.
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(iota_view::_Sentinel::_M_equal): New member function.
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(iota_view::_Sentinel::operator==): Use it.
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(views::_Iota::operator()): Forward __f using the correct type.
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* testsuite/std/ranges/access/ssize.cc (test06): Don't call views::iota
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with integers of different signedness, to appease iota_view's deduction
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guide.
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* testsuite/std/ranges/iota/iota_view.cc: Augment test.
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2020-02-07 21:28:06 +01:00
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2020-02-20 Jonathan Wakely <jwakely@redhat.com>
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2020-02-20 14:20:44 +01:00
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* include/bits/range_access.h (ranges::begin): Reject array of
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incomplete type.
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(ranges::end, ranges::size): Require arrays to be bounded.
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(ranges::data): Require lvalue or borrowed_range.
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(ranges::iterator_t): Remove constraint.
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* testsuite/std/ranges/access/begin.cc: Do not check array of
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incomplete type.
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* testsuite/std/ranges/access/begin_neg.cc: New test.
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* testsuite/std/ranges/access/end_neg.cc: Adjust expected error.
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* testsuite/std/ranges/access/size_neg.cc: Adjust expected error.
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* testsuite/std/ranges/access/ssize.cc: Do not check array of
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incomplete type.
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2020-02-07 21:50:00 +01:00
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* include/std/system_error (error_category::operator<=>)
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(operator<=>(const error_code&, const error_code&))
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(operator<=>(const error_condition&, const error_condition&)): Define
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for C++20.
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* testsuite/19_diagnostics/error_category/operators/less.cc: New test.
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* testsuite/19_diagnostics/error_category/operators/three_way.cc: New
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test.
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* testsuite/19_diagnostics/error_code/operators/equal.cc: Remove
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incorrect comment.
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* testsuite/19_diagnostics/error_code/operators/less.cc: New test.
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* testsuite/19_diagnostics/error_code/operators/not_equal.cc: Remove
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incorrect comment.
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* testsuite/19_diagnostics/error_code/operators/three_way.cc: New test.
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* testsuite/19_diagnostics/error_condition/operators/equal.cc: Remove
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incorrect comment.
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* testsuite/19_diagnostics/error_condition/operators/less.cc: New test.
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* testsuite/19_diagnostics/error_condition/operators/not_equal.cc:
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Remove incorrect comment.
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* testsuite/19_diagnostics/error_condition/operators/three_way.cc: New
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test.
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2020-02-07 21:50:00 +01:00
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* libsupc++/typeinfo (type_info::operator!=): Remove for C++20.
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2020-02-07 21:28:06 +01:00
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* include/std/thread (thread::id::operator<=>): Define for C++20.
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* testsuite/30_threads/thread/id/70294.cc: Do not take addresses of
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functions in namespace std.
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* testsuite/30_threads/thread/id/operators_c++20.cc: New test.
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2020-02-19 19:54:21 +01:00
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2020-02-19 Patrick Palka <ppalka@redhat.com>
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* testsuite/std/ranges/adaptors/split.cc (test03): Don't include the
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null terminator of the underlying string as part of the test_range.
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(main): Call test03.
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2020-02-19 11:40:24 +01:00
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2020-02-19 Jonathan Wakely <jwakely@redhat.com>
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2020-02-19 22:56:29 +01:00
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* include/bits/stl_iterator.h (common_iterator): Add copyable<I>
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requirement (LWG 3385).
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* testsuite/24_iterators/headers/iterator/synopsis_c++20.cc: Adjust
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expected declaration.
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2020-02-19 23:00:14 +01:00
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* include/std/ranges (take_while_view, drop_view, drop_while_view)
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(elements_view:_Iterator): Initialize data members (LWG 3364).
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2020-02-19 22:45:59 +01:00
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* libsupc++/compare (three_way_comparable): Remove always-false check
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that should have been removed with weak_equality (P1959R0).
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(three_way_comparable_with): Likewise. Reorder requirements (LWG 3360).
|
|
|
|
|
|
|
2020-02-19 22:40:03 +01:00
|
|
|
|
* include/std/concepts (__detail::__partially_ordered_with): Move here
|
|
|
|
|
|
from <compare>.
|
|
|
|
|
|
(totally_ordered, totally_ordered_with): Use __partially_ordered_with
|
|
|
|
|
|
to simplify definition (LWG 3331).
|
|
|
|
|
|
* libsupc++/compare (__detail::__partially_ordered_with): Move to
|
|
|
|
|
|
<concepts>.
|
|
|
|
|
|
|
2020-02-19 22:31:06 +01:00
|
|
|
|
* include/std/concepts (totally_ordered_with): Remove redundant
|
|
|
|
|
|
requirement (LWG 3329).
|
|
|
|
|
|
|
2020-02-19 18:04:07 +01:00
|
|
|
|
* include/std/ranges (__detail::__convertible_to_non_slicing): New
|
|
|
|
|
|
helper concept.
|
|
|
|
|
|
(__detail::__pair_like_convertible_to): Remove.
|
|
|
|
|
|
(__detail::__pair_like_convertible_from): Add requirements for
|
|
|
|
|
|
non-slicing conversions.
|
|
|
|
|
|
(subrange): Constrain constructors with __convertible_to_non_slicing.
|
|
|
|
|
|
Remove constructors from pair-like types. Add new deduction guide.
|
|
|
|
|
|
* testsuite/std/ranges/subrange/lwg3282_neg.cc: New test.
|
|
|
|
|
|
|
2020-02-19 17:43:07 +01:00
|
|
|
|
* include/bits/iterator_concepts.h (iter_move): Add declaration to
|
|
|
|
|
|
prevent unqualified lookup finding a suitable declaration (LWG 3247).
|
|
|
|
|
|
|
2020-02-19 16:21:31 +01:00
|
|
|
|
* include/std/memory_resource (polymorphic_allocator::allocate)
|
|
|
|
|
|
(polymorphic_allocator::allocate_object): Change type of exception to
|
|
|
|
|
|
bad_array_new_length (LWG 3237).
|
|
|
|
|
|
* testsuite/20_util/polymorphic_allocator/lwg3237.cc: New test.
|
|
|
|
|
|
|
2020-02-19 16:06:24 +01:00
|
|
|
|
* include/std/type_traits (__cpp_lib_unwrap_ref): Define (LWG 3348).
|
|
|
|
|
|
* include/std/version (__cpp_lib_unwrap_ref): Likewise.
|
|
|
|
|
|
* testsuite/20_util/unwrap_reference/1.cc: Check macro.
|
|
|
|
|
|
* testsuite/20_util/unwrap_reference/3.cc: New test.
|
|
|
|
|
|
|
2020-02-19 16:01:41 +01:00
|
|
|
|
* include/std/numeric (midpoint(T8, T*)): Do not check for complete
|
|
|
|
|
|
type during overload resolution, use static assert instead (LWG 3200).
|
|
|
|
|
|
* testsuite/26_numerics/midpoint/pointer.cc: Do not test with
|
|
|
|
|
|
incomplete type.
|
|
|
|
|
|
* testsuite/26_numerics/midpoint/pointer_neg.cc: New test.
|
|
|
|
|
|
|
2020-02-19 15:41:46 +01:00
|
|
|
|
* include/std/span (span(T (&)[N])): Use non-deduced context to
|
|
|
|
|
|
prevent first parameter from interfering with class template argument
|
|
|
|
|
|
deduction (LWG 3369).
|
|
|
|
|
|
* testsuite/23_containers/span/deduction.cc: Add missing 'const'.
|
|
|
|
|
|
* testsuite/23_containers/span/lwg3255.cc: Check for construction from
|
|
|
|
|
|
rvalues.
|
|
|
|
|
|
|
2020-02-19 15:00:59 +01:00
|
|
|
|
* include/std/span (span::const_iterator, span::const_reverse_iterator)
|
|
|
|
|
|
(span::cbegin(), span::cend(), span::crbegin(), span::crend()):
|
|
|
|
|
|
Remove (LWG 3320).
|
|
|
|
|
|
* testsuite/23_containers/span/everything.cc: Replace uses of cbegin
|
|
|
|
|
|
and cend.
|
|
|
|
|
|
* testsuite/20_util/specialized_algorithms/destroy/constrained.cc:
|
|
|
|
|
|
Likewise.
|
|
|
|
|
|
* testsuite/20_util/specialized_algorithms/uninitialized_copy/
|
|
|
|
|
|
constrained.cc: Likewise.
|
|
|
|
|
|
* testsuite/20_util/specialized_algorithms/
|
|
|
|
|
|
uninitialized_default_construct/constrained.cc: Likewise.
|
|
|
|
|
|
* testsuite/20_util/specialized_algorithms/uninitialized_fill/
|
|
|
|
|
|
constrained.cc: Likewise.
|
|
|
|
|
|
* testsuite/20_util/specialized_algorithms/uninitialized_move/
|
|
|
|
|
|
constrained.cc: Likewise.
|
|
|
|
|
|
* testsuite/20_util/specialized_algorithms/
|
|
|
|
|
|
uninitialized_value_construct/constrained.cc: Likewise.
|
|
|
|
|
|
|
2020-02-19 13:30:10 +01:00
|
|
|
|
* include/bits/range_access.h (range_size_t): Define alias template.
|
|
|
|
|
|
* include/std/ranges (all_view): Rename to views::all_t (LWG 3335).
|
|
|
|
|
|
* testsuite/std/ranges/adaptors/filter.cc: Adjust to new name.
|
|
|
|
|
|
|
2020-02-19 13:26:19 +01:00
|
|
|
|
* include/std/ranges (filter_view, transform_view, take_view)
|
|
|
|
|
|
(join_view, split_view, reverse_view): Remove commented-out converting
|
|
|
|
|
|
constructors (LWG 3280).
|
|
|
|
|
|
|
2020-02-19 13:14:54 +01:00
|
|
|
|
* include/std/memory (uninitialized_construct_using_allocator): Use
|
|
|
|
|
|
std::construct_at (LWG 3321).
|
|
|
|
|
|
|
2020-02-19 13:04:53 +01:00
|
|
|
|
* include/std/memory_resource (polymorphic_allocator::allocate_bytes)
|
|
|
|
|
|
(polymorphic_allocator::allocate_object)
|
|
|
|
|
|
(polymorphic_allocator::new_object): Add nodiscard attribute (LWG3304).
|
|
|
|
|
|
|
2020-02-19 12:54:19 +01:00
|
|
|
|
LWG 3379. "safe" in several library names is misleading
|
|
|
|
|
|
* include/bits/range_access.h (enable_safe_range): Rename to
|
|
|
|
|
|
enable_borrowed_range.
|
|
|
|
|
|
(__detail::__maybe_safe_range): Rename to __maybe_borrowed_range.
|
|
|
|
|
|
(safe_range): Rename to borrowed_range.
|
|
|
|
|
|
* include/bits/ranges_algo.h: Adjust to use new names.
|
|
|
|
|
|
* include/bits/ranges_algobase.h: Likewise.
|
|
|
|
|
|
* include/bits/ranges_uninitialized.h: Likewise.
|
|
|
|
|
|
* include/std/ranges: Likewise.
|
|
|
|
|
|
(safe_iterator_t): Rename to borrowed_iterator_t.
|
|
|
|
|
|
(safe_subrange_t): Rename to borrowed_subrange_t.
|
|
|
|
|
|
* include/std/span: Adjust to use new names.
|
|
|
|
|
|
* include/std/string_view: Likewise.
|
|
|
|
|
|
* include/experimental/string_view: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/access/begin.cc: Likewise.
|
|
|
|
|
|
* 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/safe_range.cc: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/safe_range_types.cc: Likewise.
|
|
|
|
|
|
* testsuite/util/testsuite_iterators.h: Likewise.
|
|
|
|
|
|
|
2020-02-19 12:37:54 +01:00
|
|
|
|
* include/std/ranges (tuple_element<0, const subrange<I, S, K>>)
|
|
|
|
|
|
(tuple_element<1, const subrange<I, S, K>>): Add partial
|
|
|
|
|
|
specializations (LWG 3398).
|
|
|
|
|
|
* testsuite/std/ranges/subrange/tuple_like.cc: New test.
|
|
|
|
|
|
|
2020-02-19 11:40:24 +01:00
|
|
|
|
* include/bits/ranges_algo.h (__find_fn, __find_first_of_fn)
|
|
|
|
|
|
(__adjacent_find_fn, __remove_if_fn, __remove_copy_if_fn)
|
|
|
|
|
|
(__unique_fn, __unique_copy_fn): Remove redundant conversions to bool.
|
|
|
|
|
|
|
libstdc++: P1983R0 Wording for GB301, US296, US292, US291, and US283
Among other changes, P1983R0 resolves LWG 3278 in a different way, so this patch
also reverts the already-applied wording of LWG 3278.
The wording for US291 (the join_view::begin hunk) also required adding the
friend _Iterator<!_Const> to join_view::_Iterator. This friend is needed so
that _Iterator's converting constructor can access the private members of an
_Iterator of the opposite constness.
The wording for US283 has already been applied it seems.
libstdc++-v3/ChangeLog:
P1983R0 Wording for GB301, US296, US292, US291, and US283
* include/std/ranges (filter_view::pred): New member function.
(join_view::_Iterator::_Iterator): Remove now-redundant comment since
P1983R0 fixes the highlighted issue in the same way.
(join_view::_Iterator<_Const>): Add friend
join_view::_Iterator<!_Const>.
(join_view::_M_inner): Remove mutable specifier, effectively reverting
the proposed wording changes of P3278.
(join_view::begin): Refine the condition for when to return a const
iterator.
(split_view::_OuterIter::_OuterIter): Adjust constraints.
* testsuite/std/ranges/adaptors/filter.cc: Test that filter_view::pred
exists and works.
2020-02-18 18:31:25 +01:00
|
|
|
|
2020-02-18 Patrick Palka <ppalka@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
P1983R0 Wording for GB301, US296, US292, US291, and US283
|
|
|
|
|
|
* include/std/ranges (filter_view::pred): New member function.
|
|
|
|
|
|
(join_view::_Iterator::_Iterator): Remove now-redundant comment since
|
|
|
|
|
|
P1983R0 fixes the highlighted issue in the same way.
|
|
|
|
|
|
(join_view::_Iterator<_Const>): Add friend
|
|
|
|
|
|
join_view::_Iterator<!_Const>.
|
|
|
|
|
|
(join_view::_M_inner): Remove mutable specifier, effectively reverting
|
|
|
|
|
|
the proposed wording changes of P3278.
|
|
|
|
|
|
(join_view::begin): Refine the condition for when to return a const
|
|
|
|
|
|
iterator.
|
|
|
|
|
|
(split_view::_OuterIter::_OuterIter): Adjust constraints.
|
|
|
|
|
|
* testsuite/std/ranges/adaptors/filter.cc: Test that filter_view::pred
|
|
|
|
|
|
exists and works.
|
|
|
|
|
|
|
2020-02-18 13:29:29 +01:00
|
|
|
|
2020-02-18 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
2020-02-19 00:22:25 +01:00
|
|
|
|
PR libstdc++/93818
|
|
|
|
|
|
* include/std/ranges (_RangeAdaptor): Add deduction guide.
|
|
|
|
|
|
(filter_view::_Iterator): Add alias _Vp_iter and use in place of
|
|
|
|
|
|
iterator_t<_Vp>.
|
|
|
|
|
|
(filter_view::_Iterator::_S_iter_cat()): Add 'typename'.
|
|
|
|
|
|
(transform_view::_Iterator): Add alias _Base_iter and use in place of
|
|
|
|
|
|
iterator_t<_Base>.
|
|
|
|
|
|
(transform_view::_Iterator::_S_iter_cat()): Add 'typename'.
|
|
|
|
|
|
(join_view::_Iterator): Add _Outer_iter and _Inner_iter aliases.
|
|
|
|
|
|
(join_view::_Iterator::_S_iter_cat()): Add 'typename'.
|
|
|
|
|
|
(split_view::_InnerIter::_S_iter_cat()): Likewise.
|
|
|
|
|
|
|
2020-02-18 19:56:30 +01:00
|
|
|
|
* testsuite/20_util/integer_comparisons/equal.cc: Fix invalid
|
|
|
|
|
|
assumption that long is wider than int.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/greater_equal.cc: Likewise.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/less.cc: Likewise.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/less_equal.cc: Likewise.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/not_equal.cc: Likewise.
|
|
|
|
|
|
|
2020-02-18 16:51:27 +01:00
|
|
|
|
P1976R2 Fixed-size span construction from dynamic range
|
|
|
|
|
|
* include/std/span (__cpp_lib_span): Update value.
|
|
|
|
|
|
(span(It, size_type), span(It, End)): Make conditionally explicit. Add
|
|
|
|
|
|
assertion.
|
|
|
|
|
|
(span(R&&), span(const span<OType, OExtent>&)): Likewise and relax
|
|
|
|
|
|
constraints.
|
|
|
|
|
|
(span::first<Count>(), span::last<Count>()): Use explicit type in
|
|
|
|
|
|
return statement.
|
|
|
|
|
|
(as_bytes, as_writable_bytes): Likewise.
|
|
|
|
|
|
* include/std/version (__cpp_lib_span): Update value.
|
|
|
|
|
|
* testsuite/23_containers/span/1.cc: Check new value.
|
|
|
|
|
|
* testsuite/23_containers/span/2.cc: Check new value.
|
|
|
|
|
|
* testsuite/23_containers/span/explicit.cc: New test.
|
|
|
|
|
|
|
2020-02-18 14:12:44 +01:00
|
|
|
|
* include/std/span (span::__is_compatible_array): Simplify alias
|
|
|
|
|
|
template by using requires-clause.
|
|
|
|
|
|
(span::__is_compatible_ref): New alias template for constraining
|
|
|
|
|
|
constructors.
|
|
|
|
|
|
(span::__is_compatible_iterator, span::__is_compatible_range): Remove.
|
|
|
|
|
|
(span(It, size_type), span(It, End)): Use __is_compatible_ref.
|
|
|
|
|
|
(span(T(&)[N], span(array<T, N>&), span(const array<T, N>&)): Remove
|
|
|
|
|
|
redundant parentheses.
|
|
|
|
|
|
(span(R&&)): Add missing constraints.
|
|
|
|
|
|
|
2020-02-18 13:33:07 +01:00
|
|
|
|
* include/std/span (span): Reorder members and rename template
|
|
|
|
|
|
parameters to match declarations in the C++2a working paper.
|
|
|
|
|
|
|
2020-02-18 13:29:29 +01:00
|
|
|
|
P2116R0 Remove tuple-like protocol support from fixed-extent span
|
|
|
|
|
|
* include/std/span (get, tuple_size, tuple_element): Remove.
|
|
|
|
|
|
* testsuite/23_containers/span/everything.cc: Remove checks for
|
|
|
|
|
|
tuple-like API.
|
|
|
|
|
|
* testsuite/23_containers/span/get_neg.cc: Remove.
|
|
|
|
|
|
* testsuite/23_containers/span/tuple_element_dynamic_neg.cc: Remove.
|
|
|
|
|
|
* testsuite/23_containers/span/tuple_element_oob_neg.cc: Remove.
|
|
|
|
|
|
* testsuite/23_containers/span/tuple_size_neg.cc: Remove.
|
|
|
|
|
|
|
2020-02-17 17:50:29 +01:00
|
|
|
|
2020-02-17 Patrick Palka <ppalka@redhat.com>
|
|
|
|
|
|
|
libstdc++: P2106R0 Alternative wording for GB315 and GB316
libstdc++-v3/ChangeLog:
P2106R0 Alternative wording for GB315 and GB316
* include/bits/ranges_algo.h (in_fun_result): New.
(for_each_result, for_each_n_result): Change into an alias of
in_fun_result.
(in_in_result): New.
(mismatch_result): Change into an alias of in_in_result.
(copy_if_result): Change into an alias of in_out_result.
(swap_ranges_result): Change into an alias of in_in_result.
(unary_transform_result): Change into an alias of in_out_result.
(in_in_out_result): New.
(binary_transform_result): Change into an alias of in_in_out_result.
(replace_copy_result, replace_copy_if_result, remove_copy_if_result,
remove_copy_result, unique_copy_result, reverse_copy_result,
rotate_copy_result, partial_sort_copy_result): Change into an alias of
in_out_result.
(in_out_out_result): New.
(partition_copy_result, merge_result): Change into an alias of
in_out_out_result.
(set_union_result, set_intersection_result): Change into an alias of
in_in_out_result.
(set_difference_result): Change into an alias of in_out_result.
(set_symmetric_difference): Change into an alias of in_in_out_result.
(min_max_result): New.
(minmax_result, minmax_element_result): Change into an alias of
min_max_result.
(in_found_result): New.
(next_permutation_result, prev_permutation_result): Change into an alias
of in_found_result.
(__next_permutation_fn::operator(), __prev_permutation_fn::operator()):
Adjust following changes to next_permutation_result and
prev_permutation_result.
* include/bits/ranges_algobase.h (in_out_result): New.
(copy_result, move_result, move_backward_result, copy_backward_result,
copy_n_result): Change into an alias of in_out_result.
* include/bits/ranges_uninitialized.h (uninitialized_copy_result,
uninitialized_copy_n_result, uninitialized_move_result,
uninitialized_move_n_result): Likewise.
* testsuite/25_algorithms/next_permutation/constrained.cc: Adjust uses of
structured bindings.
* testsuite/25_algorithms/prev_permutation/constrained.cc: Likewise.
2020-02-17 22:13:28 +01:00
|
|
|
|
P2106R0 Alternative wording for GB315 and GB316
|
|
|
|
|
|
* include/bits/ranges_algo.h (in_fun_result): New.
|
|
|
|
|
|
(for_each_result, for_each_n_result): Change into an alias of
|
|
|
|
|
|
in_fun_result.
|
|
|
|
|
|
(in_in_result): New.
|
|
|
|
|
|
(mismatch_result): Change into an alias of in_in_result.
|
|
|
|
|
|
(copy_if_result): Change into an alias of in_out_result.
|
|
|
|
|
|
(swap_ranges_result): Change into an alias of in_in_result.
|
|
|
|
|
|
(unary_transform_result): Change into an alias of in_out_result.
|
|
|
|
|
|
(in_in_out_result): New.
|
|
|
|
|
|
(binary_transform_result): Change into an alias of in_in_out_result.
|
|
|
|
|
|
(replace_copy_result, replace_copy_if_result, remove_copy_if_result,
|
|
|
|
|
|
remove_copy_result, unique_copy_result, reverse_copy_result,
|
|
|
|
|
|
rotate_copy_result, partial_sort_copy_result): Change into an alias of
|
|
|
|
|
|
in_out_result.
|
|
|
|
|
|
(in_out_out_result): New.
|
|
|
|
|
|
(partition_copy_result, merge_result): Change into an alias of
|
|
|
|
|
|
in_out_out_result.
|
|
|
|
|
|
(set_union_result, set_intersection_result): Change into an alias of
|
|
|
|
|
|
in_in_out_result.
|
|
|
|
|
|
(set_difference_result): Change into an alias of in_out_result.
|
|
|
|
|
|
(set_symmetric_difference): Change into an alias of in_in_out_result.
|
|
|
|
|
|
(min_max_result): New.
|
|
|
|
|
|
(minmax_result, minmax_element_result): Change into an alias of
|
|
|
|
|
|
min_max_result.
|
|
|
|
|
|
(in_found_result): New.
|
|
|
|
|
|
(next_permutation_result, prev_permutation_result): Change into an alias
|
|
|
|
|
|
of in_found_result.
|
|
|
|
|
|
(__next_permutation_fn::operator(), __prev_permutation_fn::operator()):
|
|
|
|
|
|
Adjust following changes to next_permutation_result and
|
|
|
|
|
|
prev_permutation_result.
|
|
|
|
|
|
* include/bits/ranges_algobase.h (in_out_result): New.
|
|
|
|
|
|
(copy_result, move_result, move_backward_result, copy_backward_result,
|
|
|
|
|
|
copy_n_result): Change into an alias of in_out_result.
|
|
|
|
|
|
* include/bits/ranges_uninitialized.h (uninitialized_copy_result,
|
|
|
|
|
|
uninitialized_copy_n_result, uninitialized_move_result,
|
|
|
|
|
|
uninitialized_move_n_result): Likewise.
|
|
|
|
|
|
* testsuite/25_algorithms/next_permutation/constrained.cc: Adjust uses of
|
|
|
|
|
|
structured bindings.
|
|
|
|
|
|
* testsuite/25_algorithms/prev_permutation/constrained.cc: Likewise.
|
|
|
|
|
|
|
2020-02-17 17:50:29 +01:00
|
|
|
|
P1243R4 Rangify new algorithms
|
|
|
|
|
|
* include/bits/ranges_algo.h (for_each_n_result, __for_each_n_fn,
|
|
|
|
|
|
for_each_n, __sample_fn, sample, __clamp_fn, clamp): New.
|
|
|
|
|
|
* testsuite/25_algorithms/clamp/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/for_each/constrained.cc: Augment test.
|
|
|
|
|
|
* testsuite/25_algorithms/sample/constrained.cc: New test.
|
|
|
|
|
|
|
2020-02-17 14:20:57 +01:00
|
|
|
|
2020-02-17 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
2020-02-17 19:15:00 +01:00
|
|
|
|
P1964R2 Wording for boolean-testable
|
|
|
|
|
|
* include/bits/ranges_algo.h (__find_fn, __find_first_of_fn)
|
|
|
|
|
|
(__adjacent_find_fn): Cast result of predicate to bool.
|
|
|
|
|
|
* include/std/concepts (__boolean): Remove.
|
|
|
|
|
|
(__detail::__boolean_testable_impl, __detail::__boolean_testable): Add
|
|
|
|
|
|
new helper concepts.
|
|
|
|
|
|
(__detail::__weakly_eq_cmp_with, totally_ordered, totally_ordered_with)
|
|
|
|
|
|
(predicate): Use __boolean_testable instead of boolean.
|
|
|
|
|
|
* libsupc++/compare (__detail::__partially_ordered, _Synth3way):
|
|
|
|
|
|
Likewise.
|
|
|
|
|
|
|
2020-02-17 18:58:09 +01:00
|
|
|
|
P1970R2 Consistency for size() functions: Add ranges::ssize
|
|
|
|
|
|
* include/bits/range_access.h (_SSize, ssize): Define for C++20.
|
|
|
|
|
|
* testsuite/std/ranges/access/ssize.cc: New test.
|
|
|
|
|
|
|
2020-02-17 17:03:48 +01:00
|
|
|
|
P1956R1 On the names of low-level bit manipulation functions
|
|
|
|
|
|
* include/bits/hashtable_policy.h: Update comment.
|
|
|
|
|
|
* include/std/bit (__ispow2, __ceil2, __floor2, __log2p1): Rename.
|
|
|
|
|
|
(ispow2, ceil2, floor2, log2p1): Likewise.
|
|
|
|
|
|
(__cpp_lib_int_pow2): Add feature test macro.
|
|
|
|
|
|
* include/std/charconv (__to_chars_len_2): Adjust use of __log2p1.
|
|
|
|
|
|
* include/std/memory (assume_aligned): Adjust use of ispow2.
|
|
|
|
|
|
* include/std/version (__cpp_lib_int_pow2): Add.
|
|
|
|
|
|
* libsupc++/new_opa.cc: Adjust use of __ispow2.
|
|
|
|
|
|
* src/c++17/memory_resource.cc: Likewise, and for __ceil2 and __log2p1.
|
|
|
|
|
|
* testsuite/17_intro/freestanding.cc: Adjust use of ispow2.
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Rename to ...
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.pow.two/bit_ceil.cc: ... here.
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: Rename to ...
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.pow.two/bit_ceil_neg.cc: ... here.
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Rename to ...
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.pow.two/bit_floor.cc: ... here.
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Rename to ...
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.pow.two/bit_width.cc: ... here.
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Rename to ...
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.pow.two/has_single_bit.cc: ... here.
|
|
|
|
|
|
|
2020-02-17 16:44:03 +01:00
|
|
|
|
* include/std/charconv: Add comment.
|
|
|
|
|
|
|
2020-02-17 16:25:33 +01:00
|
|
|
|
PR libstdc++/92546 (partial)
|
|
|
|
|
|
* include/bits/random.h (uniform_random_bit_generator): Move definition
|
|
|
|
|
|
to <bits/uniform_int_dist.h>.
|
|
|
|
|
|
* include/bits/ranges_algo.h: Include <bits/uniform_int_dist.h> instead
|
|
|
|
|
|
of <bits/random.h>.
|
|
|
|
|
|
* include/bits/ranges_algobase.h: Do not include <cmath>.
|
|
|
|
|
|
* include/bits/uniform_int_dist.h (uniform_random_bit_generator):
|
|
|
|
|
|
Move here.
|
|
|
|
|
|
* include/std/ranges: Do not include <limits>.
|
|
|
|
|
|
* testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
|
|
|
|
|
|
|
libstdc++: Add lightweight replacement for std::numeric_limits (PR 92546)
Many uses of std::numeric_limits in C++17 and C++20 features only really
need the min(), max() and digits constants for integral types. By adding
__detail::__int_limits we can avoid including the whole <limits> header.
The <limits> header isn't especially large, but avoiding it still gives
small savings in compilation time and memory usage for the compiler.
There are also C++11 features that could benefit from this change (e.g.
<bits/hashtable_policy.h> and <bits/uniform_int_dist.h>) but I won't
change those until stage 1.
The implementation of __int_limits assumes two's complement integers,
which is true for all targets supported by GCC.
PR libstdc++/92546 (partial)
* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/bits/int_limits.h: New header.
* include/bits/parse_numbers.h (__select_int::_Select_int): Replace
numeric_limits with __detail::__int_limits.
* include/std/bit (__rotl, __rotr, __countl_zero, __countl_one)
(__countr_zero, __countr_one, __popcount, __ceil2, __floor2, __log2p1):
Likewise.
* include/std/charconv (__to_chars_8, __from_chars_binary)
(__from_chars_alpha_to_num, from_chars): Likewise.
* include/std/memory_resource (polymorphic_allocator::allocate)
(polymorphic_allocator::allocate_object): Likewise.
* include/std/string_view (basic_string_view::_S_compare): Likewise.
* include/std/utility (in_range): Likewise.
* testsuite/20_util/integer_comparisons/in_range_neg.cc: Adjust for
extra error about incomplete type __int_limits<bool>.
* testsuite/26_numerics/bit/bit.count/countl_one.cc: Include <limits>.
* testsuite/26_numerics/bit/bit.count/countl_zero.cc: Likewise.
* testsuite/26_numerics/bit/bit.count/countr_one.cc: Likewise.
* testsuite/26_numerics/bit/bit.count/countr_zero.cc: Likewise.
* testsuite/26_numerics/bit/bit.count/popcount.cc: Likewise.
* testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: Likewise.
* testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Likewise.
* 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/bit.rotate/rotl.cc: Likewise.
* testsuite/26_numerics/bit/bit.rotate/rotr.cc: Likewise.
2020-02-17 15:30:02 +01:00
|
|
|
|
PR libstdc++/92546 (partial)
|
|
|
|
|
|
* include/Makefile.am: Add new header.
|
|
|
|
|
|
* include/Makefile.in: Regenerate.
|
|
|
|
|
|
* include/bits/int_limits.h: New header.
|
|
|
|
|
|
* include/bits/parse_numbers.h (__select_int::_Select_int): Replace
|
|
|
|
|
|
numeric_limits with __detail::__int_limits.
|
|
|
|
|
|
* include/std/bit (__rotl, __rotr, __countl_zero, __countl_one)
|
|
|
|
|
|
(__countr_zero, __countr_one, __popcount, __ceil2, __floor2, __log2p1):
|
|
|
|
|
|
Likewise.
|
|
|
|
|
|
* include/std/charconv (__to_chars_8, __from_chars_binary)
|
|
|
|
|
|
(__from_chars_alpha_to_num, from_chars): Likewise.
|
|
|
|
|
|
* include/std/memory_resource (polymorphic_allocator::allocate)
|
|
|
|
|
|
(polymorphic_allocator::allocate_object): Likewise.
|
|
|
|
|
|
* include/std/string_view (basic_string_view::_S_compare): Likewise.
|
|
|
|
|
|
* include/std/utility (in_range): Likewise.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/in_range_neg.cc: Adjust for
|
|
|
|
|
|
extra error about incomplete type __int_limits<bool>.
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.count/countl_one.cc: Include <limits>.
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.count/countl_zero.cc: Likewise.
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.count/countr_one.cc: Likewise.
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.count/countr_zero.cc: Likewise.
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.count/popcount.cc: Likewise.
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: Likewise.
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Likewise.
|
|
|
|
|
|
* 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/bit.rotate/rotl.cc: Likewise.
|
|
|
|
|
|
* testsuite/26_numerics/bit/bit.rotate/rotr.cc: Likewise.
|
|
|
|
|
|
|
2020-02-17 14:20:57 +01:00
|
|
|
|
* python/libstdcxx/v6/printers.py (StdCmpCatPrinter.to_string): Update
|
|
|
|
|
|
value for partial_ordering::unordered.
|
|
|
|
|
|
|
2020-02-17 14:20:57 +01:00
|
|
|
|
* include/bits/iterator_concepts.h (indirectly_copyable_storable): Add
|
|
|
|
|
|
const-qualified expression variations.
|
|
|
|
|
|
* include/std/concepts (copyable): Likewise.
|
|
|
|
|
|
|
2020-02-17 14:20:57 +01:00
|
|
|
|
* include/std/type_traits (__is_standard_integer): New helper trait.
|
|
|
|
|
|
* include/std/utility (cmp_equal, cmp_not_equal, cmp_less, cmp_greater)
|
|
|
|
|
|
(cmp_less_equal, cmp_greater_equal, in_range): Define for C++20.
|
|
|
|
|
|
* include/std/version (__cpp_lib_integer_comparison_functions): Define.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/1.cc: New test.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/2.cc: New test.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/equal.cc: New test.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/equal_neg.cc: New test.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/greater_equal.cc: New test.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/greater_equal_neg.cc: New test.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/greater_neg.cc: New test.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/in_range.cc: New test.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/in_range_neg.cc: New test.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/less.cc: New test.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/less_equal.cc: New test.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/less_equal_neg.cc: New test.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/less_neg.cc: New test.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/not_equal.cc: New test.
|
|
|
|
|
|
* testsuite/20_util/integer_comparisons/not_equal_neg.cc: New test.
|
|
|
|
|
|
|
2020-02-15 16:59:36 +01:00
|
|
|
|
2020-02-16 Patrick Palka <ppalka@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
* include/bits/ranges_algo.h (__lexicographical_compare_fn::operator()):
|
|
|
|
|
|
Move code after an early exit constexpr if to under an else branch.
|
|
|
|
|
|
* include/bits/ranges_algobase.h (__equal_fn::operator()): Likewise.
|
|
|
|
|
|
|
2020-02-13 16:55:10 +01:00
|
|
|
|
2020-02-15 Patrick Palka <ppalka@redhat.com>
|
|
|
|
|
|
|
2020-02-13 21:03:50 +01:00
|
|
|
|
* include/bits/ranges_algo.h: Adjust whitespace and formatting.
|
|
|
|
|
|
* include/bits/ranges_algobase.h: Likewise.
|
|
|
|
|
|
* include/bits/ranges_uninitialized.h: Likewise.
|
|
|
|
|
|
|
libstdc++: Convert the ranges algorithm entities into function objects
This is the standard way to inhibit ADL for these entities, which is required as
per [algorithms.requirements] p2 and [specialized.algorithms] p4. The
conversion was done mostly mechanically with a custom Vim macro.
libstdc++-v3/ChangeLog:
* include/bits/ranges_algo.h: (adjacent_find, all_of, any_of,
binary_search, copy_if, count, count_if, equal_range, find, find_end,
find_first_of, find_if, find_if_not, for_each, generate, generate_n,
includes, inplace_merge, is_heap, is_heap_until, is_partitioned,
is_permutation, is_sorted, is_sorted_until, lexicographical_compare,
lower_bound, make_heap, max, max_element, merge, min, min_element,
minmax, minmax_element, mismatch, next_permutation, none_of,
nth_element, partial_sort, partial_sort_copy, partition, partition_copy,
partition_point, pop_heap, prev_permutation, push_heap, remove,
remove_copy, remove_copy_if, remove_if, replace, replace_copy,
replace_copy_if, replace_if, reverse, reverse_copy, rotate, rotate_copy,
search, search_n, set_difference, set_intersection,
set_symmetric_difference, set_union, shuffle, sort, sort_heap,
stable_partition, stable_sort, swap_ranges, transform, unique,
unique_copy, upper_bound): Convert into function objects.
* include/bits/ranges_algobase.h: (equal, copy, move, copy_n, fill_n,
fill, move_backward, copy_backward): Likewise.
* include/bits/ranges_uninitialized.h (uninitialized_default_construct,
uninitialized_default_construct_n, uninitialized_value_construct,
uninitialized_value_construct_n, uninitialized_copy,
uninitialized_copy_n, uninitialized_move, uninitialized_move_n,
uninitialized_fill, uninitialized_fill_n, construct_at, destroy_at,
destroy, destroy_n): Likewise.
2020-02-13 18:17:01 +01:00
|
|
|
|
* include/bits/ranges_algo.h: (adjacent_find, all_of, any_of,
|
|
|
|
|
|
binary_search, copy_if, count, count_if, equal_range, find, find_end,
|
|
|
|
|
|
find_first_of, find_if, find_if_not, for_each, generate, generate_n,
|
|
|
|
|
|
includes, inplace_merge, is_heap, is_heap_until, is_partitioned,
|
|
|
|
|
|
is_permutation, is_sorted, is_sorted_until, lexicographical_compare,
|
|
|
|
|
|
lower_bound, make_heap, max, max_element, merge, min, min_element,
|
|
|
|
|
|
minmax, minmax_element, mismatch, next_permutation, none_of,
|
|
|
|
|
|
nth_element, partial_sort, partial_sort_copy, partition, partition_copy,
|
|
|
|
|
|
partition_point, pop_heap, prev_permutation, push_heap, remove,
|
|
|
|
|
|
remove_copy, remove_copy_if, remove_if, replace, replace_copy,
|
|
|
|
|
|
replace_copy_if, replace_if, reverse, reverse_copy, rotate, rotate_copy,
|
|
|
|
|
|
search, search_n, set_difference, set_intersection,
|
|
|
|
|
|
set_symmetric_difference, set_union, shuffle, sort, sort_heap,
|
|
|
|
|
|
stable_partition, stable_sort, swap_ranges, transform, unique,
|
|
|
|
|
|
unique_copy, upper_bound): Convert into function objects.
|
|
|
|
|
|
* include/bits/ranges_algobase.h: (equal, copy, move, copy_n, fill_n,
|
|
|
|
|
|
fill, move_backward, copy_backward): Likewise.
|
|
|
|
|
|
* include/bits/ranges_uninitialized.h (uninitialized_default_construct,
|
|
|
|
|
|
uninitialized_default_construct_n, uninitialized_value_construct,
|
|
|
|
|
|
uninitialized_value_construct_n, uninitialized_copy,
|
|
|
|
|
|
uninitialized_copy_n, uninitialized_move, uninitialized_move_n,
|
|
|
|
|
|
uninitialized_fill, uninitialized_fill_n, construct_at, destroy_at,
|
|
|
|
|
|
destroy, destroy_n): Likewise.
|
|
|
|
|
|
|
2020-02-13 16:55:10 +01:00
|
|
|
|
* include/bits/ranges_algo.h (ranges::__find_end): Fold into ...
|
|
|
|
|
|
(ranges::find_end): ... here.
|
|
|
|
|
|
(ranges::__lexicographical_compare): Fold into ...
|
|
|
|
|
|
(ranges::lexicographical_compare): ... here.
|
|
|
|
|
|
* include/bits/ranges_algobase.h (ranges::__equal): Fold into ...
|
|
|
|
|
|
(ranges::equal): ... here.
|
|
|
|
|
|
|
2020-02-15 10:02:30 +01:00
|
|
|
|
2020-02-15 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
* include/bits/erase_if.h (__cpp_lib_erase_if): Define to 202002L.
|
|
|
|
|
|
* include/std/deque: Likewise.
|
|
|
|
|
|
* include/std/forward_list: Likewise.
|
|
|
|
|
|
* include/std/list: Likewise.
|
|
|
|
|
|
* include/std/string: Likewise.
|
|
|
|
|
|
* include/std/vector: Likewise.
|
|
|
|
|
|
* include/std/version: Likewise.
|
|
|
|
|
|
* testsuite/23_containers/deque/erasure.cc: Test for new value.
|
|
|
|
|
|
* testsuite/23_containers/forward_list/erasure.cc: Likewise.
|
|
|
|
|
|
* testsuite/23_containers/list/erasure.cc: Likewise.
|
|
|
|
|
|
* testsuite/23_containers/map/erasure.cc: Likewise.
|
|
|
|
|
|
* testsuite/23_containers/set/erasure.cc: Likewise.
|
|
|
|
|
|
* testsuite/23_containers/unordered_map/erasure.cc: Likewise.
|
|
|
|
|
|
* testsuite/23_containers/unordered_set/erasure.cc: Likewise.
|
|
|
|
|
|
* testsuite/23_containers/vector/erasure.cc: Likewise.
|
|
|
|
|
|
|
2020-02-15 09:58:43 +01:00
|
|
|
|
2020-02-15 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
* include/bits/random.h (uniform_random_bit_generator): Require min()
|
|
|
|
|
|
and max() to be constant expressions and min() to be less than max().
|
|
|
|
|
|
* testsuite/26_numerics/random/concept.cc: Check additional cases.
|
|
|
|
|
|
* testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
|
|
|
|
|
|
|
libstdc++: Move some ranges algos to a new header <bits/ranges_algobase.h>
This roughly mirrors the existing split between <bits/stl_algo.h> and
<bits/stl_algobase.h>. The ranges [specialized.algorithms] will use this new
header to avoid including all of of <bits/ranges_algo.h>.
libstdc++-v3/ChangeLog:
* include/Makefile.am: Add bits/ranges_algobase.h
* include/Makefile.in: Regenerate.
* bits/ranges_algo.h: Include <bits/ranges_algobase.h> and refactor
existing #includes.
(__detail::__is_normal_iterator, __detail::is_reverse_iterator,
__detail::__is_move_iterator, copy_result, move_result,
__equal, equal, copy_result, move_result, move_backward_result,
copy_backward_result, __copy_or_move_backward, __copy_or_move, copy,
move, copy_backward, move_backward, copy_n_result, copy_n, fill_n,
fill): Split out into ...
* bits/range_algobase.h: ... this new header.
2020-02-12 18:30:57 +01:00
|
|
|
|
2020-02-13 Patrick Palka <ppalka@redhat.com>
|
|
|
|
|
|
|
2020-02-12 18:54:47 +01:00
|
|
|
|
* include/Makefile.am: Add <bits/ranges_uninitialized.h>.
|
|
|
|
|
|
* include/Makefile.in: Regenerate.
|
|
|
|
|
|
* include/bits/ranges_uninitialized.h: New header.
|
|
|
|
|
|
* include/std/memory: Include it.
|
|
|
|
|
|
* testsuite/20_util/specialized_algorithms/destroy/constrained.cc: New
|
|
|
|
|
|
test.
|
|
|
|
|
|
* .../uninitialized_copy/constrained.cc: New test.
|
|
|
|
|
|
* .../uninitialized_default_construct/constrained.cc: New test.
|
|
|
|
|
|
* .../uninitialized_fill/constrained.cc: New test.
|
|
|
|
|
|
* .../uninitialized_move/constrained.cc: New test.
|
|
|
|
|
|
* .../uninitialized_value_construct/constrained.cc: New test.
|
|
|
|
|
|
|
libstdc++: Move some ranges algos to a new header <bits/ranges_algobase.h>
This roughly mirrors the existing split between <bits/stl_algo.h> and
<bits/stl_algobase.h>. The ranges [specialized.algorithms] will use this new
header to avoid including all of of <bits/ranges_algo.h>.
libstdc++-v3/ChangeLog:
* include/Makefile.am: Add bits/ranges_algobase.h
* include/Makefile.in: Regenerate.
* bits/ranges_algo.h: Include <bits/ranges_algobase.h> and refactor
existing #includes.
(__detail::__is_normal_iterator, __detail::is_reverse_iterator,
__detail::__is_move_iterator, copy_result, move_result,
__equal, equal, copy_result, move_result, move_backward_result,
copy_backward_result, __copy_or_move_backward, __copy_or_move, copy,
move, copy_backward, move_backward, copy_n_result, copy_n, fill_n,
fill): Split out into ...
* bits/range_algobase.h: ... this new header.
2020-02-12 18:30:57 +01:00
|
|
|
|
* include/Makefile.am: Add bits/ranges_algobase.h
|
|
|
|
|
|
* include/Makefile.in: Regenerate.
|
|
|
|
|
|
* bits/ranges_algo.h: Include <bits/ranges_algobase.h> and refactor
|
|
|
|
|
|
existing #includes.
|
|
|
|
|
|
(__detail::__is_normal_iterator, __detail::is_reverse_iterator,
|
|
|
|
|
|
__detail::__is_move_iterator, copy_result, move_result,
|
|
|
|
|
|
__equal, equal, copy_result, move_result, move_backward_result,
|
|
|
|
|
|
copy_backward_result, __copy_or_move_backward, __copy_or_move, copy,
|
|
|
|
|
|
move, copy_backward, move_backward, copy_n_result, copy_n, fill_n,
|
|
|
|
|
|
fill): Split out into ...
|
|
|
|
|
|
* bits/range_algobase.h: ... this new header.
|
|
|
|
|
|
|
2020-02-11 16:45:26 +01:00
|
|
|
|
2020-02-12 Patrick Palka <ppalka@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
LWG 3389 and LWG 3390
|
|
|
|
|
|
* include/bits/stl_iterator.h (move_move_iterator): Use std::move when
|
|
|
|
|
|
constructing the move_iterator with __i.
|
|
|
|
|
|
(counted_iterator::counted_iterator): Use std::move when initializing
|
|
|
|
|
|
M_current with __i.
|
|
|
|
|
|
* testsuite/24_iterators/counted_iterator/lwg3389.cc: New test.
|
|
|
|
|
|
* testsuite/24_iterators/move_iterator/lwg3390.cc: New test.
|
|
|
|
|
|
|
2020-02-12 21:20:15 +01:00
|
|
|
|
2020-02-12 Sandra Loosemore <sandra@codesourcery.com>
|
|
|
|
|
|
|
|
|
|
|
|
PR libstdc++/79193
|
|
|
|
|
|
PR libstdc++/88999
|
|
|
|
|
|
|
|
|
|
|
|
* configure: Regenerated.
|
|
|
|
|
|
|
2020-02-11 19:09:48 +01:00
|
|
|
|
2020-02-12 François Dumont <fdumont@gcc.gnu.org>
|
|
|
|
|
|
|
|
|
|
|
|
* include/bits/hashtable.h
|
|
|
|
|
|
(_Hashtable<>(_Hashtable&&, std::allocator_type&)): Add
|
|
|
|
|
|
missing std namespace qualification to forward call.
|
|
|
|
|
|
|
2020-02-09 14:37:43 +01:00
|
|
|
|
2020-02-09 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
2020-02-09 14:58:16 +01:00
|
|
|
|
* testsuite/20_util/function_objects/range.cmp/equal_to.cc: Fix
|
|
|
|
|
|
comment.
|
|
|
|
|
|
* testsuite/20_util/function_objects/range.cmp/less.ccL Likewise.
|
|
|
|
|
|
|
2020-02-09 14:54:32 +01:00
|
|
|
|
* include/std/ranges: Fix non-ASCII characters in comment.
|
|
|
|
|
|
|
2020-02-09 14:37:43 +01:00
|
|
|
|
* include/bits/range_cmp.h (__detail::__eq_builtin_ptr_cmp): Require
|
|
|
|
|
|
equality comparison to be valid and return bool.
|
|
|
|
|
|
(__detail::__less_builtin_ptr_cmp): Likewise for less-than comparison.
|
|
|
|
|
|
* testsuite/20_util/function_objects/range.cmp/equal_to.cc: Check
|
|
|
|
|
|
type with ambiguous conversion to fundamental types.
|
|
|
|
|
|
* testsuite/20_util/function_objects/range.cmp/less.cc: Likewise.
|
|
|
|
|
|
|
2020-02-07 17:46:42 +01:00
|
|
|
|
2020-02-07 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
2020-02-06 12:21:25 +01:00
|
|
|
|
* include/bits/iterator_concepts.h (iter_difference_t, iter_value_t):
|
|
|
|
|
|
Use remove_cvref_t.
|
|
|
|
|
|
(readable_traits): Rename to indirectly_readable_traits.
|
|
|
|
|
|
(readable): Rename to indirectly_readable.
|
|
|
|
|
|
(writable): Rename to indirectly_writable.
|
|
|
|
|
|
(__detail::__iter_exchange_move): Do not use remove_reference_t.
|
|
|
|
|
|
(indirectly_swappable): Adjust requires expression parameter types.
|
|
|
|
|
|
expression.
|
|
|
|
|
|
* include/bits/ranges_algo.h (ranges::transform, ranges::replace)
|
|
|
|
|
|
(ranges::replace_if, ranges::generate_n, ranges::generate)
|
|
|
|
|
|
(ranges::remove): Use new name for writable.
|
|
|
|
|
|
* include/bits/stl_iterator.h (__detail::__common_iter_has_arrow):
|
|
|
|
|
|
Use new name for readable.
|
|
|
|
|
|
* include/ext/pointer.h (readable_traits<_Pointer_adapter<P>>): Use
|
|
|
|
|
|
new name for readable_traits.
|
|
|
|
|
|
* testsuite/24_iterators/associated_types/readable.traits.cc: Likewise.
|
|
|
|
|
|
* testsuite/24_iterators/indirect_callable/projected.cc: Adjust for
|
|
|
|
|
|
new definition of indirectly_readable.
|
|
|
|
|
|
|
2020-02-07 17:46:42 +01:00
|
|
|
|
* include/bits/stl_iterator.h (__detail::__common_iter_ptr): Change
|
|
|
|
|
|
to take parameters of common_iterator, instead of the common_iterator
|
|
|
|
|
|
type itself. Fix argument for __common_iter_has_arrow constraint.
|
|
|
|
|
|
(iterator_traits<common_iterator<I, S>>::pointer): Adjust.
|
|
|
|
|
|
|
2020-02-07 17:06:43 +01:00
|
|
|
|
2020-02-07 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
* include/std/ranges (iota_view): Add braces to prevent -Wempty-body
|
|
|
|
|
|
warning.
|
|
|
|
|
|
(basic_istream_view::_Iterator::operator++()): Add missing return.
|
|
|
|
|
|
|
libstdc++: Implement C++20 range adaptors
This patch implements [range.adaptors]. It also includes the changes from P3280
and P3278 and P3323, without which many standard examples won't work.
The implementation is mostly dictated by the spec and there was not much room
for implementation discretion. The most interesting part that was not specified
by the spec is the design of the range adaptors and range adaptor closures,
which I tried to design in a way that minimizes boilerplate and statefulness (so
that e.g. the composition of two stateless closures is stateless).
What is left unimplemented is caching of calls to begin() in filter_view,
drop_view and reverse_view, which is required to guarantee that begin() has
amortized constant time complexity. I can implement this in a subsequent patch.
"Interesting" parts of the patch are marked with XXX comments.
libstdc++-v3/ChangeLog:
Implement C++20 range adaptors
* include/std/ranges: Include <bits/refwrap.h> and <tuple>.
(subrange::_S_store_size): Mark as const instead of constexpr to
avoid what seems to be a bug in GCC.
(__detail::__box): Give it defaulted copy and move constructors.
(views::_Single::operator()): Mark constexpr.
(views::_Iota::operator()): Mark constexpr.
(__detail::Empty): Define.
(views::_RangeAdaptor, views::_RangeAdaptorClosure, ref_view, all_view,
views::all, filter_view, views::filter, transform_view,
views::transform, take_view, views::take, take_while_view,
views::take_while, drop_view, views::drop, join_view, views::join,
__detail::require_constant, __detail::tiny_range, split_view,
views::split, views::_Counted, views::counted, common_view,
views::common, reverse_view, views::reverse,
views::__detail::__is_reversible_subrange,
views::__detail::__is_reverse_view, reverse_view, views::reverse,
__detail::__has_tuple_element, elements_view, views::elements,
views::keys, views::values): Define.
* testsuite/std/ranges/adaptors/all.cc: New test.
* testsuite/std/ranges/adaptors/common.cc: Likewise.
* testsuite/std/ranges/adaptors/counted.cc: Likewise.
* testsuite/std/ranges/adaptors/drop.cc: Likewise.
* testsuite/std/ranges/adaptors/drop_while.cc: Likewise.
* testsuite/std/ranges/adaptors/elements.cc: Likewise.
* testsuite/std/ranges/adaptors/filter.cc: Likewise.
* testsuite/std/ranges/adaptors/join.cc: Likewise.
* testsuite/std/ranges/adaptors/reverse.cc: Likewise.
* testsuite/std/ranges/adaptors/split.cc: Likewise.
* testsuite/std/ranges/adaptors/take.cc: Likewise.
* testsuite/std/ranges/adaptors/take_while.cc: Likewise.
* testsuite/std/ranges/adaptors/transform.cc: Likewise.
2020-01-30 23:37:07 +01:00
|
|
|
|
2020-02-07 Patrick Palka <ppalka@redhat.com>
|
|
|
|
|
|
|
2020-02-07 16:08:06 +01:00
|
|
|
|
* include/bits/ranges_algo.h: Remove extraneous &&.
|
|
|
|
|
|
|
2020-02-07 01:24:03 +01:00
|
|
|
|
* include/std/ranges (ranges::__detail::__stream_extractable,
|
|
|
|
|
|
ranges::basic_istream_view, ranges::istream_view): Define.
|
|
|
|
|
|
* testsuite/std/ranges/istream_view: New test.
|
|
|
|
|
|
|
libstdc++: Implement C++20 range adaptors
This patch implements [range.adaptors]. It also includes the changes from P3280
and P3278 and P3323, without which many standard examples won't work.
The implementation is mostly dictated by the spec and there was not much room
for implementation discretion. The most interesting part that was not specified
by the spec is the design of the range adaptors and range adaptor closures,
which I tried to design in a way that minimizes boilerplate and statefulness (so
that e.g. the composition of two stateless closures is stateless).
What is left unimplemented is caching of calls to begin() in filter_view,
drop_view and reverse_view, which is required to guarantee that begin() has
amortized constant time complexity. I can implement this in a subsequent patch.
"Interesting" parts of the patch are marked with XXX comments.
libstdc++-v3/ChangeLog:
Implement C++20 range adaptors
* include/std/ranges: Include <bits/refwrap.h> and <tuple>.
(subrange::_S_store_size): Mark as const instead of constexpr to
avoid what seems to be a bug in GCC.
(__detail::__box): Give it defaulted copy and move constructors.
(views::_Single::operator()): Mark constexpr.
(views::_Iota::operator()): Mark constexpr.
(__detail::Empty): Define.
(views::_RangeAdaptor, views::_RangeAdaptorClosure, ref_view, all_view,
views::all, filter_view, views::filter, transform_view,
views::transform, take_view, views::take, take_while_view,
views::take_while, drop_view, views::drop, join_view, views::join,
__detail::require_constant, __detail::tiny_range, split_view,
views::split, views::_Counted, views::counted, common_view,
views::common, reverse_view, views::reverse,
views::__detail::__is_reversible_subrange,
views::__detail::__is_reverse_view, reverse_view, views::reverse,
__detail::__has_tuple_element, elements_view, views::elements,
views::keys, views::values): Define.
* testsuite/std/ranges/adaptors/all.cc: New test.
* testsuite/std/ranges/adaptors/common.cc: Likewise.
* testsuite/std/ranges/adaptors/counted.cc: Likewise.
* testsuite/std/ranges/adaptors/drop.cc: Likewise.
* testsuite/std/ranges/adaptors/drop_while.cc: Likewise.
* testsuite/std/ranges/adaptors/elements.cc: Likewise.
* testsuite/std/ranges/adaptors/filter.cc: Likewise.
* testsuite/std/ranges/adaptors/join.cc: Likewise.
* testsuite/std/ranges/adaptors/reverse.cc: Likewise.
* testsuite/std/ranges/adaptors/split.cc: Likewise.
* testsuite/std/ranges/adaptors/take.cc: Likewise.
* testsuite/std/ranges/adaptors/take_while.cc: Likewise.
* testsuite/std/ranges/adaptors/transform.cc: Likewise.
2020-01-30 23:37:07 +01:00
|
|
|
|
Implement C++20 range adaptors
|
|
|
|
|
|
* include/std/ranges: Include <bits/refwrap.h> and <tuple>.
|
|
|
|
|
|
(subrange::_S_store_size): Mark as const instead of constexpr to
|
|
|
|
|
|
avoid what seems to be a bug in GCC.
|
|
|
|
|
|
(__detail::__box): Give it defaulted copy and move constructors.
|
2020-02-07 15:30:53 +01:00
|
|
|
|
(ranges::views::_Single::operator()): Mark constexpr.
|
|
|
|
|
|
(ranges::views::_Iota::operator()): Mark constexpr.
|
libstdc++: Implement C++20 range adaptors
This patch implements [range.adaptors]. It also includes the changes from P3280
and P3278 and P3323, without which many standard examples won't work.
The implementation is mostly dictated by the spec and there was not much room
for implementation discretion. The most interesting part that was not specified
by the spec is the design of the range adaptors and range adaptor closures,
which I tried to design in a way that minimizes boilerplate and statefulness (so
that e.g. the composition of two stateless closures is stateless).
What is left unimplemented is caching of calls to begin() in filter_view,
drop_view and reverse_view, which is required to guarantee that begin() has
amortized constant time complexity. I can implement this in a subsequent patch.
"Interesting" parts of the patch are marked with XXX comments.
libstdc++-v3/ChangeLog:
Implement C++20 range adaptors
* include/std/ranges: Include <bits/refwrap.h> and <tuple>.
(subrange::_S_store_size): Mark as const instead of constexpr to
avoid what seems to be a bug in GCC.
(__detail::__box): Give it defaulted copy and move constructors.
(views::_Single::operator()): Mark constexpr.
(views::_Iota::operator()): Mark constexpr.
(__detail::Empty): Define.
(views::_RangeAdaptor, views::_RangeAdaptorClosure, ref_view, all_view,
views::all, filter_view, views::filter, transform_view,
views::transform, take_view, views::take, take_while_view,
views::take_while, drop_view, views::drop, join_view, views::join,
__detail::require_constant, __detail::tiny_range, split_view,
views::split, views::_Counted, views::counted, common_view,
views::common, reverse_view, views::reverse,
views::__detail::__is_reversible_subrange,
views::__detail::__is_reverse_view, reverse_view, views::reverse,
__detail::__has_tuple_element, elements_view, views::elements,
views::keys, views::values): Define.
* testsuite/std/ranges/adaptors/all.cc: New test.
* testsuite/std/ranges/adaptors/common.cc: Likewise.
* testsuite/std/ranges/adaptors/counted.cc: Likewise.
* testsuite/std/ranges/adaptors/drop.cc: Likewise.
* testsuite/std/ranges/adaptors/drop_while.cc: Likewise.
* testsuite/std/ranges/adaptors/elements.cc: Likewise.
* testsuite/std/ranges/adaptors/filter.cc: Likewise.
* testsuite/std/ranges/adaptors/join.cc: Likewise.
* testsuite/std/ranges/adaptors/reverse.cc: Likewise.
* testsuite/std/ranges/adaptors/split.cc: Likewise.
* testsuite/std/ranges/adaptors/take.cc: Likewise.
* testsuite/std/ranges/adaptors/take_while.cc: Likewise.
* testsuite/std/ranges/adaptors/transform.cc: Likewise.
2020-01-30 23:37:07 +01:00
|
|
|
|
(__detail::Empty): Define.
|
2020-02-07 15:30:53 +01:00
|
|
|
|
(ranges::views::__closure::_RangeAdaptor,
|
|
|
|
|
|
ranges::views::__closure::_RangeAdaptorClosure, ref_view, all_view,
|
|
|
|
|
|
ranges::views::all, ranges::__detail::find_if,
|
|
|
|
|
|
ranges::__detail::find_if_not, ranges::__detail::mismatch,
|
|
|
|
|
|
ranges::detail::min, filter_view, ranges::views::filter, transform_view,
|
|
|
|
|
|
ranges::views::transform, take_view, ranges::views::take,
|
|
|
|
|
|
take_while_view, ranges::views::take_while, drop_view,
|
|
|
|
|
|
ranges::views::drop, join_view, ranges::views::join,
|
libstdc++: Implement C++20 range adaptors
This patch implements [range.adaptors]. It also includes the changes from P3280
and P3278 and P3323, without which many standard examples won't work.
The implementation is mostly dictated by the spec and there was not much room
for implementation discretion. The most interesting part that was not specified
by the spec is the design of the range adaptors and range adaptor closures,
which I tried to design in a way that minimizes boilerplate and statefulness (so
that e.g. the composition of two stateless closures is stateless).
What is left unimplemented is caching of calls to begin() in filter_view,
drop_view and reverse_view, which is required to guarantee that begin() has
amortized constant time complexity. I can implement this in a subsequent patch.
"Interesting" parts of the patch are marked with XXX comments.
libstdc++-v3/ChangeLog:
Implement C++20 range adaptors
* include/std/ranges: Include <bits/refwrap.h> and <tuple>.
(subrange::_S_store_size): Mark as const instead of constexpr to
avoid what seems to be a bug in GCC.
(__detail::__box): Give it defaulted copy and move constructors.
(views::_Single::operator()): Mark constexpr.
(views::_Iota::operator()): Mark constexpr.
(__detail::Empty): Define.
(views::_RangeAdaptor, views::_RangeAdaptorClosure, ref_view, all_view,
views::all, filter_view, views::filter, transform_view,
views::transform, take_view, views::take, take_while_view,
views::take_while, drop_view, views::drop, join_view, views::join,
__detail::require_constant, __detail::tiny_range, split_view,
views::split, views::_Counted, views::counted, common_view,
views::common, reverse_view, views::reverse,
views::__detail::__is_reversible_subrange,
views::__detail::__is_reverse_view, reverse_view, views::reverse,
__detail::__has_tuple_element, elements_view, views::elements,
views::keys, views::values): Define.
* testsuite/std/ranges/adaptors/all.cc: New test.
* testsuite/std/ranges/adaptors/common.cc: Likewise.
* testsuite/std/ranges/adaptors/counted.cc: Likewise.
* testsuite/std/ranges/adaptors/drop.cc: Likewise.
* testsuite/std/ranges/adaptors/drop_while.cc: Likewise.
* testsuite/std/ranges/adaptors/elements.cc: Likewise.
* testsuite/std/ranges/adaptors/filter.cc: Likewise.
* testsuite/std/ranges/adaptors/join.cc: Likewise.
* testsuite/std/ranges/adaptors/reverse.cc: Likewise.
* testsuite/std/ranges/adaptors/split.cc: Likewise.
* testsuite/std/ranges/adaptors/take.cc: Likewise.
* testsuite/std/ranges/adaptors/take_while.cc: Likewise.
* testsuite/std/ranges/adaptors/transform.cc: Likewise.
2020-01-30 23:37:07 +01:00
|
|
|
|
__detail::require_constant, __detail::tiny_range, split_view,
|
2020-02-07 15:30:53 +01:00
|
|
|
|
ranges::views::split, ranges::views::_Counted, ranges::views::counted,
|
|
|
|
|
|
common_view, ranges::views::common, reverse_view,
|
|
|
|
|
|
ranges::views::reverse,
|
|
|
|
|
|
ranges::views::__detail::__is_reversible_subrange,
|
|
|
|
|
|
ranges::views::__detail::__is_reverse_view, reverse_view,
|
|
|
|
|
|
ranges::views::reverse, __detail::__has_tuple_element, elements_view,
|
|
|
|
|
|
ranges::views::elements, ranges::views::keys, ranges::views::values):
|
|
|
|
|
|
Define.
|
|
|
|
|
|
(views): Alias for ranges::views.
|
|
|
|
|
|
(tuple_size<ranges::subrange<>>, tuple_element<0, ranges::subrange>,
|
|
|
|
|
|
tuple_element<1, ranges::subrange>): New partial specializations.
|
libstdc++: Implement C++20 range adaptors
This patch implements [range.adaptors]. It also includes the changes from P3280
and P3278 and P3323, without which many standard examples won't work.
The implementation is mostly dictated by the spec and there was not much room
for implementation discretion. The most interesting part that was not specified
by the spec is the design of the range adaptors and range adaptor closures,
which I tried to design in a way that minimizes boilerplate and statefulness (so
that e.g. the composition of two stateless closures is stateless).
What is left unimplemented is caching of calls to begin() in filter_view,
drop_view and reverse_view, which is required to guarantee that begin() has
amortized constant time complexity. I can implement this in a subsequent patch.
"Interesting" parts of the patch are marked with XXX comments.
libstdc++-v3/ChangeLog:
Implement C++20 range adaptors
* include/std/ranges: Include <bits/refwrap.h> and <tuple>.
(subrange::_S_store_size): Mark as const instead of constexpr to
avoid what seems to be a bug in GCC.
(__detail::__box): Give it defaulted copy and move constructors.
(views::_Single::operator()): Mark constexpr.
(views::_Iota::operator()): Mark constexpr.
(__detail::Empty): Define.
(views::_RangeAdaptor, views::_RangeAdaptorClosure, ref_view, all_view,
views::all, filter_view, views::filter, transform_view,
views::transform, take_view, views::take, take_while_view,
views::take_while, drop_view, views::drop, join_view, views::join,
__detail::require_constant, __detail::tiny_range, split_view,
views::split, views::_Counted, views::counted, common_view,
views::common, reverse_view, views::reverse,
views::__detail::__is_reversible_subrange,
views::__detail::__is_reverse_view, reverse_view, views::reverse,
__detail::__has_tuple_element, elements_view, views::elements,
views::keys, views::values): Define.
* testsuite/std/ranges/adaptors/all.cc: New test.
* testsuite/std/ranges/adaptors/common.cc: Likewise.
* testsuite/std/ranges/adaptors/counted.cc: Likewise.
* testsuite/std/ranges/adaptors/drop.cc: Likewise.
* testsuite/std/ranges/adaptors/drop_while.cc: Likewise.
* testsuite/std/ranges/adaptors/elements.cc: Likewise.
* testsuite/std/ranges/adaptors/filter.cc: Likewise.
* testsuite/std/ranges/adaptors/join.cc: Likewise.
* testsuite/std/ranges/adaptors/reverse.cc: Likewise.
* testsuite/std/ranges/adaptors/split.cc: Likewise.
* testsuite/std/ranges/adaptors/take.cc: Likewise.
* testsuite/std/ranges/adaptors/take_while.cc: Likewise.
* testsuite/std/ranges/adaptors/transform.cc: Likewise.
2020-01-30 23:37:07 +01:00
|
|
|
|
* testsuite/std/ranges/adaptors/all.cc: New test.
|
|
|
|
|
|
* testsuite/std/ranges/adaptors/common.cc: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/adaptors/counted.cc: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/adaptors/drop.cc: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/adaptors/drop_while.cc: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/adaptors/elements.cc: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/adaptors/filter.cc: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/adaptors/join.cc: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/adaptors/reverse.cc: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/adaptors/split.cc: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/adaptors/take.cc: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/adaptors/take_while.cc: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/adaptors/transform.cc: Likewise.
|
|
|
|
|
|
|
2020-02-07 12:31:12 +01:00
|
|
|
|
2020-02-07 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
2020-02-06 14:31:36 +01:00
|
|
|
|
* libsupc++/compare (__cmp_cat::type): Define typedef for underlying
|
|
|
|
|
|
type of enumerations and comparison category types.
|
|
|
|
|
|
(__cmp_cat::_Ord, __cmp_cat::_Ncmp): Add underlying type.
|
|
|
|
|
|
(__cmp_cat::_Ncmp::unordered): Change value to 2.
|
|
|
|
|
|
(partial_ordering::_M_value, weak_ordering::_M_value)
|
|
|
|
|
|
(strong_ordering::_M_value): Change type to __cmp_cat::type.
|
|
|
|
|
|
(partial_ordering::_M_is_ordered): Remove data member.
|
|
|
|
|
|
(partial_ordering): Use second bit of _M_value for unordered. Adjust
|
|
|
|
|
|
comparison operators.
|
|
|
|
|
|
(weak_ordering::operator partial_ordering): Simplify to remove
|
|
|
|
|
|
branches.
|
|
|
|
|
|
(operator<=>(unspecified, weak_ordering)): Likewise.
|
|
|
|
|
|
(strong_ordering::operator partial_ordering): Likewise.
|
|
|
|
|
|
(strong_ordering::operator weak_ordering): Likewise.
|
|
|
|
|
|
(operator<=>(unspecified, strong_ordering)): Likewise.
|
|
|
|
|
|
* testsuite/18_support/comparisons/categories/partialord.cc: New test.
|
|
|
|
|
|
* testsuite/18_support/comparisons/categories/strongord.cc: New test.
|
|
|
|
|
|
* testsuite/18_support/comparisons/categories/weakord.cc: New test.
|
|
|
|
|
|
|
2020-02-07 12:31:12 +01:00
|
|
|
|
* include/std/ranges (iota_view::_Iterator): Fix typo in name of
|
|
|
|
|
|
__cpp_lib_three_way_comparison macro and use deduced return type for
|
|
|
|
|
|
operator<=>.
|
|
|
|
|
|
* testsuite/std/ranges/iota/iterator.cc: New test.
|
|
|
|
|
|
|
libstdc++: Implement C++20 constrained algorithms
This patch implements the C++20 ranges overloads for the algorithms in
[algorithms]. Most of the algorithms were reimplemented, with each of their
implementations very closely following the existing implementation in
bits/stl_algo.h and bits/stl_algobase.h. The reason for reimplementing most of
the algorithms instead of forwarding to their STL-style overload is because
forwarding cannot be conformantly and efficiently performed for algorithms that
operate on non-random-access iterators. But algorithms that operate on random
access iterators can safely and efficiently be forwarded to the STL-style
implementation, and this patch does so for push_heap, pop_heap, make_heap,
sort_heap, sort, stable_sort, nth_element, inplace_merge and stable_partition.
What's missing from this patch is debug-iterator and container specializations
that are present for some of the STL-style algorithms that need to be ported
over to the ranges algos. I marked them missing at TODO comments. There are
also some other minor outstanding TODOs.
The code that could use the most thorough review is ranges::__copy_or_move,
ranges::__copy_or_move_backward, ranges::__equal and
ranges::__lexicographical_compare. In the tests, I tried to test the interface
of each new overload, as well as the correctness of the new implementation.
libstdc++-v3/ChangeLog:
Implement C++20 constrained algorithms
* include/Makefile.am: Add new header.
* include/Makefile.in: Regenerate.
* include/std/algorithm: Include <bits/ranges_algo.h>.
* include/bits/ranges_algo.h: New file.
* testsuite/25_algorithms/adjacent_find/constrained.cc: New test.
* testsuite/25_algorithms/all_of/constrained.cc: New test.
* testsuite/25_algorithms/any_of/constrained.cc: New test.
* testsuite/25_algorithms/binary_search/constrained.cc: New test.
* testsuite/25_algorithms/copy/constrained.cc: New test.
* testsuite/25_algorithms/copy_backward/constrained.cc: New test.
* testsuite/25_algorithms/copy_if/constrained.cc: New test.
* testsuite/25_algorithms/copy_n/constrained.cc: New test.
* testsuite/25_algorithms/count/constrained.cc: New test.
* testsuite/25_algorithms/count_if/constrained.cc: New test.
* testsuite/25_algorithms/equal/constrained.cc: New test.
* testsuite/25_algorithms/equal_range/constrained.cc: New test.
* testsuite/25_algorithms/fill/constrained.cc: New test.
* testsuite/25_algorithms/fill_n/constrained.cc: New test.
* testsuite/25_algorithms/find/constrained.cc: New test.
* testsuite/25_algorithms/find_end/constrained.cc: New test.
* testsuite/25_algorithms/find_first_of/constrained.cc: New test.
* testsuite/25_algorithms/find_if/constrained.cc: New test.
* testsuite/25_algorithms/find_if_not/constrained.cc: New test.
* testsuite/25_algorithms/for_each/constrained.cc: New test.
* testsuite/25_algorithms/generate/constrained.cc: New test.
* testsuite/25_algorithms/generate_n/constrained.cc: New test.
* testsuite/25_algorithms/heap/constrained.cc: New test.
* testsuite/25_algorithms/includes/constrained.cc: New test.
* testsuite/25_algorithms/inplace_merge/constrained.cc: New test.
* testsuite/25_algorithms/is_partitioned/constrained.cc: New test.
* testsuite/25_algorithms/is_permutation/constrained.cc: New test.
* testsuite/25_algorithms/is_sorted/constrained.cc: New test.
* testsuite/25_algorithms/is_sorted_until/constrained.cc: New test.
* testsuite/25_algorithms/lexicographical_compare/constrained.cc: New
test.
* testsuite/25_algorithms/lower_bound/constrained.cc: New test.
* testsuite/25_algorithms/max/constrained.cc: New test.
* testsuite/25_algorithms/max_element/constrained.cc: New test.
* testsuite/25_algorithms/merge/constrained.cc: New test.
* testsuite/25_algorithms/min/constrained.cc: New test.
* testsuite/25_algorithms/min_element/constrained.cc: New test.
* testsuite/25_algorithms/minmax/constrained.cc: New test.
* testsuite/25_algorithms/minmax_element/constrained.cc: New test.
* testsuite/25_algorithms/mismatch/constrained.cc: New test.
* testsuite/25_algorithms/move/constrained.cc: New test.
* testsuite/25_algorithms/move_backward/constrained.cc: New test.
* testsuite/25_algorithms/next_permutation/constrained.cc: New test.
* testsuite/25_algorithms/none_of/constrained.cc: New test.
* testsuite/25_algorithms/nth_element/constrained.cc: New test.
* testsuite/25_algorithms/partial_sort/constrained.cc: New test.
* testsuite/25_algorithms/partial_sort_copy/constrained.cc: New test.
* testsuite/25_algorithms/partition/constrained.cc: New test.
* testsuite/25_algorithms/partition_copy/constrained.cc: New test.
* testsuite/25_algorithms/partition_point/constrained.cc: New test.
* testsuite/25_algorithms/prev_permutation/constrained.cc: New test.
* testsuite/25_algorithms/remove/constrained.cc: New test.
* testsuite/25_algorithms/remove_copy/constrained.cc: New test.
* testsuite/25_algorithms/remove_copy_if/constrained.cc: New test.
* testsuite/25_algorithms/remove_if/constrained.cc: New test.
* testsuite/25_algorithms/replace/constrained.cc: New test.
* testsuite/25_algorithms/replace_copy/constrained.cc: New test.
* testsuite/25_algorithms/replace_copy_if/constrained.cc: New test.
* testsuite/25_algorithms/replace_if/constrained.cc: New test.
* testsuite/25_algorithms/reverse/constrained.cc: New test.
* testsuite/25_algorithms/reverse_copy/constrained.cc: New test.
* testsuite/25_algorithms/rotate/constrained.cc: New test.
* testsuite/25_algorithms/rotate_copy/constrained.cc: New test.
* testsuite/25_algorithms/search/constrained.cc: New test.
* testsuite/25_algorithms/search_n/constrained.cc: New test.
* testsuite/25_algorithms/set_difference/constrained.cc: New test.
* testsuite/25_algorithms/set_intersection/constrained.cc: New test.
* testsuite/25_algorithms/set_symmetric_difference/constrained.cc: New
test.
* testsuite/25_algorithms/set_union/constrained.cc: New test.
* testsuite/25_algorithms/shuffle/constrained.cc: New test.
* testsuite/25_algorithms/sort/constrained.cc: New test.
* testsuite/25_algorithms/stable_partition/constrained.cc: New test.
* testsuite/25_algorithms/stable_sort/constrained.cc: New test.
* testsuite/25_algorithms/swap_ranges/constrained.cc: New test.
* testsuite/25_algorithms/transform/constrained.cc: New test.
* testsuite/25_algorithms/unique/constrained.cc: New test.
* testsuite/25_algorithms/unique_copy/constrained.cc: New test.
* testsuite/25_algorithms/upper_bound/constrained.cc: New test.
2020-01-10 23:11:07 +01:00
|
|
|
|
2020-02-07 Patrick Palka <ppalka@redhat.com>
|
|
|
|
|
|
Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
Implement C++20 constrained algorithms
|
|
|
|
|
|
* include/Makefile.am: Add new header.
|
|
|
|
|
|
* include/Makefile.in: Regenerate.
|
|
|
|
|
|
* include/std/algorithm: Include <bits/ranges_algo.h>.
|
|
|
|
|
|
* include/bits/ranges_algo.h: New file.
|
|
|
|
|
|
* testsuite/25_algorithms/adjacent_find/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/all_of/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/any_of/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/binary_search/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/copy/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/copy_backward/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/copy_if/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/copy_n/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/count/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/count_if/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/equal/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/equal_range/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/fill/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/fill_n/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/find/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/find_end/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/find_first_of/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/find_if/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/find_if_not/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/for_each/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/generate/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/generate_n/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/heap/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/includes/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/inplace_merge/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/is_partitioned/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/is_permutation/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/is_sorted/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/is_sorted_until/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/lexicographical_compare/constrained.cc: New
|
|
|
|
|
|
test.
|
|
|
|
|
|
* testsuite/25_algorithms/lower_bound/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/max/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/max_element/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/merge/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/min/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/min_element/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/minmax/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/minmax_element/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/mismatch/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/move/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/move_backward/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/next_permutation/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/none_of/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/nth_element/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/partial_sort/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/partial_sort_copy/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/partition/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/partition_copy/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/partition_point/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/prev_permutation/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/remove/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/remove_copy/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/remove_copy_if/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/remove_if/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/replace/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/replace_copy/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/replace_copy_if/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/replace_if/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/reverse/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/reverse_copy/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/rotate/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/rotate_copy/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/search/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/search_n/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/set_difference/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/set_intersection/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/set_symmetric_difference/constrained.cc: New
|
|
|
|
|
|
test.
|
|
|
|
|
|
* testsuite/25_algorithms/set_union/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/shuffle/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/sort/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/stable_partition/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/stable_sort/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/swap_ranges/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/transform/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/unique/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/unique_copy/constrained.cc: New test.
|
|
|
|
|
|
* testsuite/25_algorithms/upper_bound/constrained.cc: New test.
|
|
|
|
|
|
|
2020-02-06 11:45:38 +01:00
|
|
|
|
2020-02-06 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
2020-02-06 12:33:12 +01:00
|
|
|
|
* include/bits/stl_iterator.h (__detail::__common_iter_ptr): Fix PR
|
|
|
|
|
|
number in comment. Fix indentation.
|
|
|
|
|
|
|
2020-02-06 11:45:38 +01:00
|
|
|
|
* include/bits/stl_algobase.h (__iter_swap, __iter_swap<true>): Remove
|
|
|
|
|
|
redundant _GLIBCXX20_CONSTEXPR.
|
|
|
|
|
|
|
2020-02-06 12:30:30 +01:00
|
|
|
|
* include/std/ranges (viewable_range): Replace decay_t with
|
|
|
|
|
|
remove_cvref_t (LWG 3375).
|
|
|
|
|
|
|
2020-02-05 11:35:19 +01:00
|
|
|
|
2020-02-05 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
* include/bits/iterator_concepts.h (iter_reference_t)
|
|
|
|
|
|
(iter_rvalue_reference_t, iter_common_reference_t, indirect_result_t):
|
|
|
|
|
|
Remove workarounds for PR c++/67704.
|
|
|
|
|
|
* testsuite/24_iterators/aliases.cc: New test.
|
|
|
|
|
|
|
2020-01-22 22:51:19 +01:00
|
|
|
|
2020-02-05 Patrick Palka <ppalka@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
* include/bits/stl_iterator.h (move_iterator::move_iterator): Move __i
|
|
|
|
|
|
when initializing _M_current.
|
|
|
|
|
|
(move_iterator::base): Split into two overloads differing in
|
|
|
|
|
|
ref-qualifiers as in P1207R4 for C++20.
|
|
|
|
|
|
|
2020-02-04 13:59:14 +01:00
|
|
|
|
2020-02-04 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
2020-02-04 14:30:57 +01:00
|
|
|
|
* include/std/functional (_GLIBCXX_NOT_FN_CALL_OP): Un-define after
|
|
|
|
|
|
use.
|
|
|
|
|
|
|
2020-02-04 13:59:14 +01:00
|
|
|
|
PR libstdc++/93562
|
|
|
|
|
|
* include/bits/unique_ptr.h (__uniq_ptr_impl::swap): Define.
|
|
|
|
|
|
(unique_ptr::swap, unique_ptr<T[], D>::swap): Call it.
|
|
|
|
|
|
* testsuite/20_util/unique_ptr/modifiers/93562.cc: New test.
|
|
|
|
|
|
|
2020-01-30 13:18:13 +01:00
|
|
|
|
2020-02-01 Andrew Burgess <andrew.burgess@embecosm.com>
|
|
|
|
|
|
|
|
|
|
|
|
* configure: Regenerate.
|
|
|
|
|
|
|
2020-01-21 23:00:43 +01:00
|
|
|
|
2020-01-31 Patrick Palka <ppalka@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
* testsuite/24_iterators/range_operations/distance.cc: Do not assume
|
|
|
|
|
|
test_range::end() returns the same type as test_range::begin().
|
|
|
|
|
|
* testsuite/24_iterators/range_operations/next.cc: Likewise.
|
|
|
|
|
|
* testsuite/24_iterators/range_operations/prev.cc: Likewise.
|
|
|
|
|
|
* testsuite/util/testsuite_iterators.h (__gnu_test::test_range::end):
|
|
|
|
|
|
Always return a sentinel<I>.
|
|
|
|
|
|
|
2020-01-29 14:36:15 +01:00
|
|
|
|
2020-01-29 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
libstdc++: Fix conformance issues in <stop_token> (PR92895)
Fix synchronization issues in <stop_token>. Replace shared_ptr with
_Stop_state_ref and a reference count embedded in the shared state.
Replace std::mutex with spinlock using one bit of a std::atomic<> that
also tracks whether a stop request has been made and how many
stop_source objects share ownership of the state.
PR libstdc++/92895
* include/std/stop_token (stop_token::stop_possible()): Call new
_M_stop_possible() function.
(stop_token::stop_requested()): Do not use stop_possible().
(stop_token::binary_semaphore): New class, as temporary stand-in for
std::binary_semaphore.
(stop_token::_Stop_cb::_M_callback): Add noexcept to type.
(stop_token::_Stop_cb::_M_destroyed, stop_token::_Stop_cb::_M_done):
New data members for symchronization with stop_callback destruction.
(stop_token::_Stop_cb::_Stop_cb): Make non-template.
(stop_token::_Stop_cb::_M_linked, stop_token::_Stop_cb::_S_execute):
Remove.
(stop_token::_Stop_cb::_M_run): New member function.
(stop_token::_Stop_state::_M_stopped, stop_token::_Stop_state::_M_mtx):
Remove.
(stop_token::_Stop_state::_M_owners): New data member to track
reference count for ownership.
(stop_token::_Stop_state::_M_value): New data member combining a
spinlock, the stop requested flag, and the reference count for
associated stop_source objects.
(stop_token::_Stop_state::_M_requester): New data member for
synchronization with stop_callback destruction.
(stop_token::_Stop_state::_M_stop_possible()): New member function.
(stop_token::_Stop_state::_M_stop_requested()): Inspect relevant bit
of _M_value.
(stop_token::_Stop_state::_M_add_owner)
(stop_token::_Stop_state::_M_release_ownership)
(stop_token::_Stop_state::_M_add_ssrc)
(stop_token::_Stop_state::_M_sub_ssrc): New member functions for
updating reference counts.
(stop_token::_Stop_state::_M_lock, stop_token::_Stop_state::_M_unlock)
(stop_token::_Stop_state::_M_lock, stop_token::_Stop_state::_M_unlock)
(stop_token::_Stop_state::_M_try_lock)
(stop_token::_Stop_state::_M_try_lock_and_stop)
(stop_token::_Stop_state::_M_do_try_lock): New member functions for
managing spinlock.
(stop_token::_Stop_state::_M_request_stop): Use atomic operations to
read and update state. Release lock while running callbacks. Use new
data members to synchronize with callback destruction.
(stop_token::_Stop_state::_M_remove_callback): Likewise.
(stop_token::_Stop_state::_M_register_callback): Use atomic operations
to read and update state.
(stop_token::_Stop_state_ref): Handle type to manage _Stop_state,
replacing shared_ptr.
(stop_source::stop_source(const stop_source&)): Update reference count.
(stop_source::operator=(const stop_source&)): Likewise.
(stop_source::~stop_source()): Likewise.
(stop_source::stop_source(stop_source&&)): Define as defaulted.
(stop_source::operator=(stop_source&&)): Establish postcondition on
parameter.
(stop_callback): Enforce preconditions on template parameter. Replace
base class with data member of new _Cb_impl type.
(stop_callback::stop_callback(const stop_token&, Cb&&))
(stop_callback::stop_callback(stop_token&&, Cb&&)): Fix TOCTTOU race.
(stop_callback::_Cb_impl): New type wrapping _Callback member and
defining the _S_execute member function.
* testsuite/30_threads/stop_token/stop_callback/deadlock-mt.cc: New
test.
* testsuite/30_threads/stop_token/stop_callback/deadlock.cc: New test.
* testsuite/30_threads/stop_token/stop_callback/destroy.cc: New test.
* testsuite/30_threads/stop_token/stop_callback/destructible_neg.cc:
New test.
* testsuite/30_threads/stop_token/stop_callback/invocable_neg.cc: New
test.
* testsuite/30_threads/stop_token/stop_callback/invoke.cc: New test.
* testsuite/30_threads/stop_token/stop_source/assign.cc: New test.
* testsuite/30_threads/stop_token/stop_token/stop_possible.cc: New
test.
2020-01-23 17:46:17 +01:00
|
|
|
|
PR libstdc++/92895
|
|
|
|
|
|
* include/std/stop_token (stop_token::stop_possible()): Call new
|
|
|
|
|
|
_M_stop_possible() function.
|
|
|
|
|
|
(stop_token::stop_requested()): Do not use stop_possible().
|
|
|
|
|
|
(stop_token::binary_semaphore): New class, as temporary stand-in for
|
|
|
|
|
|
std::binary_semaphore.
|
|
|
|
|
|
(stop_token::_Stop_cb::_M_callback): Add noexcept to type.
|
|
|
|
|
|
(stop_token::_Stop_cb::_M_destroyed, stop_token::_Stop_cb::_M_done):
|
|
|
|
|
|
New data members for symchronization with stop_callback destruction.
|
|
|
|
|
|
(stop_token::_Stop_cb::_Stop_cb): Make non-template.
|
|
|
|
|
|
(stop_token::_Stop_cb::_M_linked, stop_token::_Stop_cb::_S_execute):
|
|
|
|
|
|
Remove.
|
|
|
|
|
|
(stop_token::_Stop_cb::_M_run): New member function.
|
|
|
|
|
|
(stop_token::_Stop_state::_M_stopped, stop_token::_Stop_state::_M_mtx):
|
|
|
|
|
|
Remove.
|
|
|
|
|
|
(stop_token::_Stop_state::_M_owners): New data member to track
|
|
|
|
|
|
reference count for ownership.
|
|
|
|
|
|
(stop_token::_Stop_state::_M_value): New data member combining a
|
|
|
|
|
|
spinlock, the stop requested flag, and the reference count for
|
|
|
|
|
|
associated stop_source objects.
|
|
|
|
|
|
(stop_token::_Stop_state::_M_requester): New data member for
|
|
|
|
|
|
synchronization with stop_callback destruction.
|
|
|
|
|
|
(stop_token::_Stop_state::_M_stop_possible()): New member function.
|
|
|
|
|
|
(stop_token::_Stop_state::_M_stop_requested()): Inspect relevant bit
|
|
|
|
|
|
of _M_value.
|
|
|
|
|
|
(stop_token::_Stop_state::_M_add_owner)
|
|
|
|
|
|
(stop_token::_Stop_state::_M_release_ownership)
|
|
|
|
|
|
(stop_token::_Stop_state::_M_add_ssrc)
|
|
|
|
|
|
(stop_token::_Stop_state::_M_sub_ssrc): New member functions for
|
|
|
|
|
|
updating reference counts.
|
|
|
|
|
|
(stop_token::_Stop_state::_M_lock, stop_token::_Stop_state::_M_unlock)
|
|
|
|
|
|
(stop_token::_Stop_state::_M_lock, stop_token::_Stop_state::_M_unlock)
|
|
|
|
|
|
(stop_token::_Stop_state::_M_try_lock)
|
|
|
|
|
|
(stop_token::_Stop_state::_M_try_lock_and_stop)
|
|
|
|
|
|
(stop_token::_Stop_state::_M_do_try_lock): New member functions for
|
|
|
|
|
|
managing spinlock.
|
|
|
|
|
|
(stop_token::_Stop_state::_M_request_stop): Use atomic operations to
|
|
|
|
|
|
read and update state. Release lock while running callbacks. Use new
|
|
|
|
|
|
data members to synchronize with callback destruction.
|
|
|
|
|
|
(stop_token::_Stop_state::_M_remove_callback): Likewise.
|
|
|
|
|
|
(stop_token::_Stop_state::_M_register_callback): Use atomic operations
|
|
|
|
|
|
to read and update state.
|
|
|
|
|
|
(stop_token::_Stop_state_ref): Handle type to manage _Stop_state,
|
|
|
|
|
|
replacing shared_ptr.
|
|
|
|
|
|
(stop_source::stop_source(const stop_source&)): Update reference count.
|
|
|
|
|
|
(stop_source::operator=(const stop_source&)): Likewise.
|
|
|
|
|
|
(stop_source::~stop_source()): Likewise.
|
|
|
|
|
|
(stop_source::stop_source(stop_source&&)): Define as defaulted.
|
|
|
|
|
|
(stop_source::operator=(stop_source&&)): Establish postcondition on
|
|
|
|
|
|
parameter.
|
|
|
|
|
|
(stop_callback): Enforce preconditions on template parameter. Replace
|
|
|
|
|
|
base class with data member of new _Cb_impl type.
|
|
|
|
|
|
(stop_callback::stop_callback(const stop_token&, Cb&&))
|
|
|
|
|
|
(stop_callback::stop_callback(stop_token&&, Cb&&)): Fix TOCTTOU race.
|
|
|
|
|
|
(stop_callback::_Cb_impl): New type wrapping _Callback member and
|
|
|
|
|
|
defining the _S_execute member function.
|
|
|
|
|
|
* testsuite/30_threads/stop_token/stop_callback/deadlock-mt.cc: New
|
|
|
|
|
|
test.
|
|
|
|
|
|
* testsuite/30_threads/stop_token/stop_callback/deadlock.cc: New test.
|
|
|
|
|
|
* testsuite/30_threads/stop_token/stop_callback/destroy.cc: New test.
|
|
|
|
|
|
* testsuite/30_threads/stop_token/stop_callback/destructible_neg.cc:
|
|
|
|
|
|
New test.
|
|
|
|
|
|
* testsuite/30_threads/stop_token/stop_callback/invocable_neg.cc: New
|
|
|
|
|
|
test.
|
|
|
|
|
|
* testsuite/30_threads/stop_token/stop_callback/invoke.cc: New test.
|
|
|
|
|
|
* testsuite/30_threads/stop_token/stop_source/assign.cc: New test.
|
|
|
|
|
|
* testsuite/30_threads/stop_token/stop_token/stop_possible.cc: New
|
|
|
|
|
|
test.
|
|
|
|
|
|
|
2020-01-29 14:56:49 +01:00
|
|
|
|
* libsupc++/compare (__detail::__3way_builtin_ptr_cmp): Use
|
|
|
|
|
|
three_way_comparable_with.
|
|
|
|
|
|
(__detail::__3way_cmp_with): Remove workaround for fixed bug.
|
|
|
|
|
|
(compare_three_way::operator()): Remove redundant constraint from
|
|
|
|
|
|
requires-clause.
|
|
|
|
|
|
(__detail::_Synth3way::operator()): Use three_way_comparable_with
|
|
|
|
|
|
instead of workaround.
|
|
|
|
|
|
* testsuite/18_support/comparisons/object/93479.cc: Prune extra
|
|
|
|
|
|
output due to simplified constraints on compare_three_way::operator().
|
|
|
|
|
|
|
2020-01-29 14:36:15 +01:00
|
|
|
|
PR libstdc++/93479
|
|
|
|
|
|
* libsupc++/compare (__3way_builtin_ptr_cmp): Require <=> to be valid.
|
|
|
|
|
|
* testsuite/18_support/comparisons/object/93479.cc: New test.
|
|
|
|
|
|
|
2020-01-29 14:36:15 +01:00
|
|
|
|
* testsuite/std/ranges/access/end.cc: Do not assume test_range::end()
|
|
|
|
|
|
returns the same type as test_range::begin(). Add comments.
|
|
|
|
|
|
* testsuite/std/ranges/access/rbegin.cc: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/access/rend.cc: Likewise.
|
|
|
|
|
|
* testsuite/std/ranges/range.cc: Do not assume the sentinel for
|
|
|
|
|
|
test_range is the same as its iterator type.
|
|
|
|
|
|
* testsuite/util/testsuite_iterators.h (test_range::sentinel): Add
|
|
|
|
|
|
operator- overloads to satisfy sized_sentinel_for when the iterator
|
|
|
|
|
|
satisfies random_access_iterator.
|
|
|
|
|
|
|
2020-01-28 14:24:09 +01:00
|
|
|
|
2020-01-28 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
2020-01-28 14:24:09 +01:00
|
|
|
|
PR libstdc++/93470
|
|
|
|
|
|
* include/bits/refwrap.h (reference_wrapper::operator()): Restrict
|
|
|
|
|
|
static assertion to object types.
|
|
|
|
|
|
|
2020-01-28 14:24:09 +01:00
|
|
|
|
PR libstdc++/93325
|
|
|
|
|
|
* acinclude.m4 (GLIBCXX_ENABLE_LIBSTDCXX_TIME): Use AC_SEARCH_LIBS for
|
|
|
|
|
|
clock_gettime instead of explicit glibc version check.
|
|
|
|
|
|
* configure: Regenerate.
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2020-01-28 16:20:23 +01:00
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2020-01-28 Martin Liska <mliska@suse.cz>
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PR libstdc++/93478
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* include/std/atomic: Fix typo.
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* include/std/optional: Likewise.
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2020-01-27 Andrew Burgess <andrew.burgess@embecosm.com>
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* configure: Regenerate.
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2020-01-27 11:30:03 +01:00
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2020-01-27 Jonathan Wakely <jwakely@redhat.com>
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PR libstdc++/93426
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* include/std/span (span): Fix deduction guide.
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* testsuite/23_containers/span/deduction.cc: New test.
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2020-01-24 18:07:01 +01:00
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2020-01-24 Jonathan Wakely <jwakely@redhat.com>
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* libsupc++/compare (__cmp_cat::_Eq): Remove enumeration type.
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(__cmp_cat::_Ord::equivalent): Add enumerator.
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(__cmp_cat::_Ord::_Less, __cmp_cat::_Ord::_Greater): Rename to less
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and greater.
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(partial_ordering, weak_ordering, strong_ordering): Remove
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constructors taking __cmp_cat::_Eq parameters. Use renamed
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enumerators.
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2020-01-24 12:24:25 +01:00
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2020-01-24 Maciej W. Rozycki <macro@wdc.com>
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* acinclude.m4: Handle `--with-toolexeclibdir='.
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* Makefile.in: Regenerate.
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* aclocal.m4: Regenerate.
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* configure: Regenerate.
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* doc/Makefile.in: Regenerate.
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* include/Makefile.in: Regenerate.
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* libsupc++/Makefile.in: Regenerate.
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* po/Makefile.in: Regenerate.
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* python/Makefile.in: Regenerate.
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* src/Makefile.in: Regenerate.
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* src/c++11/Makefile.in: Regenerate.
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* src/c++17/Makefile.in: Regenerate.
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* src/c++98/Makefile.in: Regenerate.
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* src/filesystem/Makefile.in: Regenerate.
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* testsuite/Makefile.in: Regenerate.
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2020-01-23 20:36:34 +01:00
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2020-01-23 Alexandre Oliva <oliva@adacore.com>
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2020-01-23 15:36:12 +01:00
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* crossconfig.m4 (GLIBCXX_CHECK_MATH_DECL): Reject macros.
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* configure: Rebuild.
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2020-01-23 20:36:34 +01:00
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* testsuite/27_io/fpos/mbstate_t/1.cc: Zero-init mbstate_t.
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2020-01-23 15:02:32 +01:00
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2020-01-23 Jonathan Wakely <jwakely@redhat.com>
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PR libstdc++/91947
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* include/Makefile.am (${host_builddir}/largefile-config.h): Simplify
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rule.
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* include/Makefile.in: Regenerate.
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2020-01-20 21:37:52 +01:00
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2020-01-20 Jonathan Wakely <jwakely@redhat.com>
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* doc/xml/faq.xml: Fix grammar.
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* doc/xml/manual/appendix_contributing.xml: Improve instructions.
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* doc/xml/manual/spine.xml: Update copyright years.
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* doc/html/*: Regenerate.
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2020-01-20 02:12:29 +01:00
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2020-01-19 Eric S. Raymond <esr@thyrsus.com>
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* doc/xml/faq.xml: Update for SVN -> Git transition.
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* doc/xml/manual/appendix_contributing.xml: Likewise.
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* doc/xml/manual/status_cxx1998.xml: Likewise.
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* doc/xml/manual/status_cxx2011.xml: Likewise.
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* doc/xml/manual/status_cxx2014.xml: Likewise.
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* doc/xml/manual/status_cxx2017.xml: Likewise.
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* doc/xml/manual/status_cxx2020.xml: Likewise.
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* doc/xml/manual/status_cxxtr1.xml: Likewise.
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* doc/xml/manual/status_cxxtr24733.xml: Likewise.
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[C++ coroutines] Initial implementation.
This is the squashed version of the first 6 patches that were split to
facilitate review.
The changes to libiberty (7th patch) to support demangling the co_await
operator stand alone and are applied separately.
The patch series is an initial implementation of a coroutine feature,
expected to be standardised in C++20.
Standardisation status (and potential impact on this implementation)
--------------------------------------------------------------------
The facility was accepted into the working draft for C++20 by WG21 in
February 2019. During following WG21 meetings, design and national body
comments have been reviewed, with no significant change resulting.
The current GCC implementation is against n4835 [1].
At this stage, the remaining potential for change comes from:
* Areas of national body comments that were not resolved in the version we
have worked to:
(a) handling of the situation where aligned allocation is available.
(b) handling of the situation where a user wants coroutines, but does not
want exceptions (e.g. a GPU).
* Agreed changes that have not yet been worded in a draft standard that we
have worked to.
It is not expected that the resolution to these can produce any major
change at this phase of the standardisation process. Such changes should be
limited to the coroutine-specific code.
ABI
---
The various compiler developers 'vendors' have discussed a minimal ABI to
allow one implementation to call coroutines compiled by another.
This amounts to:
1. The layout of a public portion of the coroutine frame.
Coroutines need to preserve state across suspension points, the storage for
this is called a "coroutine frame".
The ABI mandates that pointers into the coroutine frame point to an area
begining with two function pointers (to the resume and destroy functions
described below); these are immediately followed by the "promise object"
described in the standard.
This is sufficient that the builtins can take a coroutine frame pointer and
determine the address of the promise (or call the resume/destroy functions).
2. A number of compiler builtins that the standard library might use.
These are implemented by this patch series.
3. This introduces a new operator 'co_await' the mangling for which is also
agreed between vendors (and has an issue filed for that against the upstream
c++abi). Demangling for this is added to libiberty in a separate patch.
The ABI has currently no target-specific content (a given psABI might elect
to mandate alignment, but the common ABI does not do this).
Standard Library impact
-----------------------
The current implementations require addition of only a single header to
the standard library (no change to the runtime). This header is part of
the patch.
GCC Implementation outline
--------------------------
The standard's design for coroutines does not decorate the definition of
a coroutine in any way, so that a function is only known to be a coroutine
when one of the keywords (co_await, co_yield, co_return) is encountered.
This means that we cannot special-case such functions from the outset, but
must process them differently when they are finalised - which we do from
"finish_function ()".
At a high level, this design of coroutine produces four pieces from the
original user's function:
1. A coroutine state frame (taking the logical place of the activation
record for a regular function). One item stored in that state is the
index of the current suspend point.
2. A "ramp" function
This is what the user calls to construct the coroutine frame and start
the coroutine execution. This will return some object representing the
coroutine's eventual return value (or means to continue it when it it
suspended).
3. A "resume" function.
This is what gets called when a the coroutine is resumed when suspended.
4. A "destroy" function.
This is what gets called when the coroutine state should be destroyed
and its memory released.
The standard's coroutines involve cooperation of the user's authored function
with a provided "promise" class, which includes mandatory methods for
handling the state transitions and providing output values. Most realistic
coroutines will also have one or more 'awaiter' classes that implement the
user's actions for each suspend point. As we parse (or during template
expansion) the types of the promise and awaiter classes become known, and can
then be verified against the signatures expected by the standard.
Once the function is parsed (and templates expanded) we are able to make the
transformation into the four pieces noted above.
The implementation here takes the approach of a series of AST transforms.
The state machine suspend points are encoded in three internal functions
(one of which represents an exit from scope without cleanups). These three
IFNs are lowered early in the middle end, such that the majority of GCC's
optimisers can be run on the resulting output.
As a design choice, we have carried out the outlining of the user's function
in the front end, and taken advantage of the existing middle end's abilities
to inline and DCE where that is profitable.
Since the state machine is actually common to both resumer and destroyer
functions, we make only a single function "actor" that contains both the
resume and destroy paths. The destroy function is represented by a small
stub that sets a value to signal the use of the destroy path and calls the
actor. The idea is that optimisation of the state machine need only be done
once - and then the resume and destroy paths can be identified allowing the
middle end's inline and DCE machinery to optimise as profitable as noted
above.
The middle end components for this implementation are:
A pass that:
1. Lowers the coroutine builtins that allow the standard library header to
interact with the coroutine frame (these fairly simple logical or
numerical substitution of values, given a coroutine frame pointer).
2. Lowers the IFN that represents the exit from state without cleanup.
Essentially, this becomes a gimple goto.
3. Sets the final size of the coroutine frame at this stage.
A second pass (that requires the revised CFG that results from the lowering
of the scope exit IFNs in the first).
1. Lower the IFNs that represent the state machine paths for the resume and
destroy cases.
Patches squashed into this commit:
[C++ coroutines 1] Common code and base definitions.
This part of the patch series provides the gating flag, the keywords,
cpp defines etc.
[C++ coroutines 2] Define builtins and internal functions.
This part of the patch series provides the builtin functions
used by the standard library code and the internal functions
used to implement lowering of the coroutine state machine.
[C++ coroutines 3] Front end parsing and transforms.
There are two parts to this.
1. Parsing, template instantiation and diagnostics for the standard-
mandated class entries.
The user authors a function that becomes a coroutine (lazily) by
making use of any of the co_await, co_yield or co_return keywords.
Unlike a regular function, where the activation record is placed on the
stack, and is destroyed on function exit, a coroutine has some state that
persists between calls - the 'coroutine frame' (thus analogous to a stack
frame).
We transform the user's function into three pieces:
1. A so-called ramp function, that establishes the coroutine frame and
begins execution of the coroutine.
2. An actor function that contains the state machine corresponding to the
user's suspend/resume structure.
3. A stub function that calls the actor function in 'destroy' mode.
The actor function is executed:
* from "resume point 0" by the ramp.
* from resume point N ( > 0 ) for handle.resume() calls.
* from the destroy stub for destroy point N for handle.destroy() calls.
The C++ coroutine design described in the standard makes use of some helper
methods that are authored in a so-called "promise" class provided by the
user.
At parse time (or post substitution) the type of the coroutine promise
will be determined. At that point, we can look up the required promise
class methods and issue diagnostics if they are missing or incorrect. To
avoid repeating these actions at code-gen time, we make use of temporary
'proxy' variables for the coroutine handle and the promise - which will
eventually be instantiated in the coroutine frame.
Each of the keywords will expand to a code sequence (although co_yield is
just syntactic sugar for a co_await).
We defer the analysis and transformatin until template expansion is
complete so that we have complete types at that time.
2. AST analysis and transformation which performs the code-gen for the
outlined state machine.
The entry point here is morph_fn_to_coro () which is called from
finish_function () when we have completed any template expansion.
This is preceded by helper functions that implement the phases below.
The process proceeds in four phases.
A Initial framing.
The user's function body is wrapped in the initial and final suspend
points and we begin building the coroutine frame.
We build empty decls for the actor and destroyer functions at this
time too.
When exceptions are enabled, the user's function body will also be
wrapped in a try-catch block with the catch invoking the promise
class 'unhandled_exception' method.
B Analysis.
The user's function body is analysed to determine the suspend points,
if any, and to capture local variables that might persist across such
suspensions. In most cases, it is not necessary to capture compiler
temporaries, since the tree-lowering nests the suspensions correctly.
However, in the case of a captured reference, there is a lifetime
extension to the end of the full expression - which can mean across a
suspend point in which case it must be promoted to a frame variable.
At the conclusion of analysis, we have a conservative frame layout and
maps of the local variables to their frame entry points.
C Build the ramp function.
Carry out the allocation for the coroutine frame (NOTE; the actual size
computation is deferred until late in the middle end to allow for future
optimisations that will be allowed to elide unused frame entries).
We build the return object.
D Build and expand the actor and destroyer function bodies.
The destroyer is a trivial shim that sets a bit to indicate that the
destroy dispatcher should be used and then calls into the actor.
The actor function is the implementation of the user's state machine.
The current suspend point is noted in an index.
Each suspend point is encoded as a pair of internal functions, one in
the relevant dispatcher, and one representing the suspend point.
During this process, the user's local variables and the proxies for the
self-handle and the promise class instanceare re-written to their
coroutine frame equivalents.
The complete bodies for the ramp, actor and destroy function are passed
back to finish_function for folding and gimplification.
[C++ coroutines 4] Middle end expanders and transforms.
The first part of this is a pass that provides:
* expansion of the library support builtins, these are simple boolean
or numerical substitutions.
* The functionality of implementing an exit from scope without cleanup
is performed here by lowering an IFN to a gimple goto.
This pass has to run for non-coroutine functions, since functions calling
the builtins are not necessarily coroutines (i.e. they are implementing the
library interfaces which may be called from anywhere).
The second part is the expansion of the coroutine IFNs that describe the
state machine connections to the dispatchers. This only has to be run
for functions that are coroutine components. The work done by this pass
is:
In the front end we construct a single actor function that contains
the coroutine state machine.
The actor function has three entry conditions:
1. from the ramp, resume point 0 - to initial-suspend.
2. when resume () is executed (resume point N).
3. from the destroy () shim when that is executed.
The actor function begins with two dispatchers; one for resume and
one for destroy (where the initial entry from the ramp is a special-
case of resume point 0).
Each suspend point and each dispatch entry is marked with an IFN such
that we can connect the relevant dispatchers to their target labels.
So, if we have:
CO_YIELD (NUM, FINAL, RES_LAB, DEST_LAB, FRAME_PTR)
This is await point NUM, and is the final await if FINAL is non-zero.
The resume point is RES_LAB, and the destroy point is DEST_LAB.
We expect to find a CO_ACTOR (NUM) in the resume dispatcher and a
CO_ACTOR (NUM+1) in the destroy dispatcher.
Initially, the intent of keeping the resume and destroy paths together
is that the conditionals controlling them are identical, and thus there
would be duplication of any optimisation of those paths if the split
were earlier.
Subsequent inlining of the actor (and DCE) is then able to extract the
resume and destroy paths as separate functions if that is found
profitable by the optimisers.
Once we have remade the connections to their correct postions, we elide
the labels that the front end inserted.
[C++ coroutines 5] Standard library header.
This provides the interfaces mandated by the standard and implements
the interaction with the coroutine frame by means of inline use of
builtins expanded at compile-time. There should be a 1:1 correspondence
with the standard sections which are cross-referenced.
There is no runtime content.
At this stage, we have the content in an inline namespace "__n4835" for
the CD we worked to.
[C++ coroutines 6] Testsuite.
There are two categories of test:
1. Checks for correctly formed source code and the error reporting.
2. Checks for transformation and code-gen.
The second set are run as 'torture' tests for the standard options
set, including LTO. These are also intentionally run with no options
provided (from the coroutines.exp script).
gcc/ChangeLog:
2020-01-18 Iain Sandoe <iain@sandoe.co.uk>
* Makefile.in: Add coroutine-passes.o.
* builtin-types.def (BT_CONST_SIZE): New.
(BT_FN_BOOL_PTR): New.
(BT_FN_PTR_PTR_CONST_SIZE_BOOL): New.
* builtins.def (DEF_COROUTINE_BUILTIN): New.
* coroutine-builtins.def: New file.
* coroutine-passes.cc: New file.
* function.h (struct GTY function): Add a bit to indicate that the
function is a coroutine component.
* internal-fn.c (expand_CO_FRAME): New.
(expand_CO_YIELD): New.
(expand_CO_SUSPN): New.
(expand_CO_ACTOR): New.
* internal-fn.def (CO_ACTOR): New.
(CO_YIELD): New.
(CO_SUSPN): New.
(CO_FRAME): New.
* passes.def: Add pass_coroutine_lower_builtins,
pass_coroutine_early_expand_ifns.
* tree-pass.h (make_pass_coroutine_lower_builtins): New.
(make_pass_coroutine_early_expand_ifns): New.
* doc/invoke.texi: Document the fcoroutines command line
switch.
gcc/c-family/ChangeLog:
2020-01-18 Iain Sandoe <iain@sandoe.co.uk>
* c-common.c (co_await, co_yield, co_return): New.
* c-common.h (RID_CO_AWAIT, RID_CO_YIELD,
RID_CO_RETURN): New enumeration values.
(D_CXX_COROUTINES): Bit to identify coroutines are active.
(D_CXX_COROUTINES_FLAGS): Guard for coroutine keywords.
* c-cppbuiltin.c (__cpp_coroutines): New cpp define.
* c.opt (fcoroutines): New command-line switch.
gcc/cp/ChangeLog:
2020-01-18 Iain Sandoe <iain@sandoe.co.uk>
* Make-lang.in: Add coroutines.o.
* cp-tree.h (lang_decl-fn): coroutine_p, new bit.
(DECL_COROUTINE_P): New.
* lex.c (init_reswords): Enable keywords when the coroutine flag
is set,
* operators.def (co_await): New operator.
* call.c (add_builtin_candidates): Handle CO_AWAIT_EXPR.
(op_error): Likewise.
(build_new_op_1): Likewise.
(build_new_function_call): Validate coroutine builtin arguments.
* constexpr.c (potential_constant_expression_1): Handle
CO_AWAIT_EXPR, CO_YIELD_EXPR, CO_RETURN_EXPR.
* coroutines.cc: New file.
* cp-objcp-common.c (cp_common_init_ts): Add CO_AWAIT_EXPR,
CO_YIELD_EXPR, CO_RETRN_EXPR as TS expressions.
* cp-tree.def (CO_AWAIT_EXPR, CO_YIELD_EXPR, (CO_RETURN_EXPR): New.
* cp-tree.h (coro_validate_builtin_call): New.
* decl.c (emit_coro_helper): New.
(finish_function): Handle the case when a function is found to
be a coroutine, perform the outlining and emit the outlined
functions. Set a bit to signal that this is a coroutine component.
* parser.c (enum required_token): New enumeration RT_CO_YIELD.
(cp_parser_unary_expression): Handle co_await.
(cp_parser_assignment_expression): Handle co_yield.
(cp_parser_statement): Handle RID_CO_RETURN.
(cp_parser_jump_statement): Handle co_return.
(cp_parser_operator): Handle co_await operator.
(cp_parser_yield_expression): New.
(cp_parser_required_error): Handle RT_CO_YIELD.
* pt.c (tsubst_copy): Handle CO_AWAIT_EXPR.
(tsubst_expr): Handle CO_AWAIT_EXPR, CO_YIELD_EXPR and
CO_RETURN_EXPRs.
* tree.c (cp_walk_subtrees): Likewise.
libstdc++-v3/ChangeLog:
2020-01-18 Iain Sandoe <iain@sandoe.co.uk>
* include/Makefile.am: Add coroutine to the std set.
* include/Makefile.in: Regenerated.
* include/std/coroutine: New file.
gcc/testsuite/ChangeLog:
2020-01-18 Iain Sandoe <iain@sandoe.co.uk>
* g++.dg/coroutines/co-await-syntax-00-needs-expr.C: New test.
* g++.dg/coroutines/co-await-syntax-01-outside-fn.C: New test.
* g++.dg/coroutines/co-await-syntax-02-outside-fn.C: New test.
* g++.dg/coroutines/co-await-syntax-03-auto.C: New test.
* g++.dg/coroutines/co-await-syntax-04-ctor-dtor.C: New test.
* g++.dg/coroutines/co-await-syntax-05-constexpr.C: New test.
* g++.dg/coroutines/co-await-syntax-06-main.C: New test.
* g++.dg/coroutines/co-await-syntax-07-varargs.C: New test.
* g++.dg/coroutines/co-await-syntax-08-lambda-auto.C: New test.
* g++.dg/coroutines/co-return-syntax-01-outside-fn.C: New test.
* g++.dg/coroutines/co-return-syntax-02-outside-fn.C: New test.
* g++.dg/coroutines/co-return-syntax-03-auto.C: New test.
* g++.dg/coroutines/co-return-syntax-04-ctor-dtor.C: New test.
* g++.dg/coroutines/co-return-syntax-05-constexpr-fn.C: New test.
* g++.dg/coroutines/co-return-syntax-06-main.C: New test.
* g++.dg/coroutines/co-return-syntax-07-vararg.C: New test.
* g++.dg/coroutines/co-return-syntax-08-bad-return.C: New test.
* g++.dg/coroutines/co-return-syntax-09-lambda-auto.C: New test.
* g++.dg/coroutines/co-yield-syntax-00-needs-expr.C: New test.
* g++.dg/coroutines/co-yield-syntax-01-outside-fn.C: New test.
* g++.dg/coroutines/co-yield-syntax-02-outside-fn.C: New test.
* g++.dg/coroutines/co-yield-syntax-03-auto.C: New test.
* g++.dg/coroutines/co-yield-syntax-04-ctor-dtor.C: New test.
* g++.dg/coroutines/co-yield-syntax-05-constexpr.C: New test.
* g++.dg/coroutines/co-yield-syntax-06-main.C: New test.
* g++.dg/coroutines/co-yield-syntax-07-varargs.C: New test.
* g++.dg/coroutines/co-yield-syntax-08-needs-expr.C: New test.
* g++.dg/coroutines/co-yield-syntax-09-lambda-auto.C: New test.
* g++.dg/coroutines/coro-builtins.C: New test.
* g++.dg/coroutines/coro-missing-gro.C: New test.
* g++.dg/coroutines/coro-missing-promise-yield.C: New test.
* g++.dg/coroutines/coro-missing-ret-value.C: New test.
* g++.dg/coroutines/coro-missing-ret-void.C: New test.
* g++.dg/coroutines/coro-missing-ueh-1.C: New test.
* g++.dg/coroutines/coro-missing-ueh-2.C: New test.
* g++.dg/coroutines/coro-missing-ueh-3.C: New test.
* g++.dg/coroutines/coro-missing-ueh.h: New test.
* g++.dg/coroutines/coro-pre-proc.C: New test.
* g++.dg/coroutines/coro.h: New file.
* g++.dg/coroutines/coro1-ret-int-yield-int.h: New file.
* g++.dg/coroutines/coroutines.exp: New file.
* g++.dg/coroutines/torture/alloc-00-gro-on-alloc-fail.C: New test.
* g++.dg/coroutines/torture/alloc-01-overload-newdel.C: New test.
* g++.dg/coroutines/torture/call-00-co-aw-arg.C: New test.
* g++.dg/coroutines/torture/call-01-multiple-co-aw.C: New test.
* g++.dg/coroutines/torture/call-02-temp-co-aw.C: New test.
* g++.dg/coroutines/torture/call-03-temp-ref-co-aw.C: New test.
* g++.dg/coroutines/torture/class-00-co-ret.C: New test.
* g++.dg/coroutines/torture/class-01-co-ret-parm.C: New test.
* g++.dg/coroutines/torture/class-02-templ-parm.C: New test.
* g++.dg/coroutines/torture/class-03-operator-templ-parm.C: New test.
* g++.dg/coroutines/torture/class-04-lambda-1.C: New test.
* g++.dg/coroutines/torture/class-05-lambda-capture-copy-local.C: New test.
* g++.dg/coroutines/torture/class-06-lambda-capture-ref.C: New test.
* g++.dg/coroutines/torture/co-await-00-trivial.C: New test.
* g++.dg/coroutines/torture/co-await-01-with-value.C: New test.
* g++.dg/coroutines/torture/co-await-02-xform.C: New test.
* g++.dg/coroutines/torture/co-await-03-rhs-op.C: New test.
* g++.dg/coroutines/torture/co-await-04-control-flow.C: New test.
* g++.dg/coroutines/torture/co-await-05-loop.C: New test.
* g++.dg/coroutines/torture/co-await-06-ovl.C: New test.
* g++.dg/coroutines/torture/co-await-07-tmpl.C: New test.
* g++.dg/coroutines/torture/co-await-08-cascade.C: New test.
* g++.dg/coroutines/torture/co-await-09-pair.C: New test.
* g++.dg/coroutines/torture/co-await-10-template-fn-arg.C: New test.
* g++.dg/coroutines/torture/co-await-11-forwarding.C: New test.
* g++.dg/coroutines/torture/co-await-12-operator-2.C: New test.
* g++.dg/coroutines/torture/co-await-13-return-ref.C: New test.
* g++.dg/coroutines/torture/co-ret-00-void-return-is-ready.C: New test.
* g++.dg/coroutines/torture/co-ret-01-void-return-is-suspend.C: New test.
* g++.dg/coroutines/torture/co-ret-03-different-GRO-type.C: New test.
* g++.dg/coroutines/torture/co-ret-04-GRO-nontriv.C: New test.
* g++.dg/coroutines/torture/co-ret-05-return-value.C: New test.
* g++.dg/coroutines/torture/co-ret-06-template-promise-val-1.C: New test.
* g++.dg/coroutines/torture/co-ret-07-void-cast-expr.C: New test.
* g++.dg/coroutines/torture/co-ret-08-template-cast-ret.C: New test.
* g++.dg/coroutines/torture/co-ret-09-bool-await-susp.C: New test.
* g++.dg/coroutines/torture/co-ret-10-expression-evaluates-once.C: New test.
* g++.dg/coroutines/torture/co-ret-11-co-ret-co-await.C: New test.
* g++.dg/coroutines/torture/co-ret-12-co-ret-fun-co-await.C: New test.
* g++.dg/coroutines/torture/co-ret-13-template-2.C: New test.
* g++.dg/coroutines/torture/co-ret-14-template-3.C: New test.
* g++.dg/coroutines/torture/co-yield-00-triv.C: New test.
* g++.dg/coroutines/torture/co-yield-01-multi.C: New test.
* g++.dg/coroutines/torture/co-yield-02-loop.C: New test.
* g++.dg/coroutines/torture/co-yield-03-tmpl.C: New test.
* g++.dg/coroutines/torture/co-yield-04-complex-local-state.C: New test.
* g++.dg/coroutines/torture/co-yield-05-co-aw.C: New test.
* g++.dg/coroutines/torture/co-yield-06-fun-parm.C: New test.
* g++.dg/coroutines/torture/co-yield-07-template-fn-param.C: New test.
* g++.dg/coroutines/torture/co-yield-08-more-refs.C: New test.
* g++.dg/coroutines/torture/co-yield-09-more-templ-refs.C: New test.
* g++.dg/coroutines/torture/coro-torture.exp: New file.
* g++.dg/coroutines/torture/exceptions-test-0.C: New test.
* g++.dg/coroutines/torture/func-params-00.C: New test.
* g++.dg/coroutines/torture/func-params-01.C: New test.
* g++.dg/coroutines/torture/func-params-02.C: New test.
* g++.dg/coroutines/torture/func-params-03.C: New test.
* g++.dg/coroutines/torture/func-params-04.C: New test.
* g++.dg/coroutines/torture/func-params-05.C: New test.
* g++.dg/coroutines/torture/func-params-06.C: New test.
* g++.dg/coroutines/torture/lambda-00-co-ret.C: New test.
* g++.dg/coroutines/torture/lambda-01-co-ret-parm.C: New test.
* g++.dg/coroutines/torture/lambda-02-co-yield-values.C: New test.
* g++.dg/coroutines/torture/lambda-03-auto-parm-1.C: New test.
* g++.dg/coroutines/torture/lambda-04-templ-parm.C: New test.
* g++.dg/coroutines/torture/lambda-05-capture-copy-local.C: New test.
* g++.dg/coroutines/torture/lambda-06-multi-capture.C: New test.
* g++.dg/coroutines/torture/lambda-07-multi-yield.C: New test.
* g++.dg/coroutines/torture/lambda-08-co-ret-parm-ref.C: New test.
* g++.dg/coroutines/torture/local-var-0.C: New test.
* g++.dg/coroutines/torture/local-var-1.C: New test.
* g++.dg/coroutines/torture/local-var-2.C: New test.
* g++.dg/coroutines/torture/local-var-3.C: New test.
* g++.dg/coroutines/torture/local-var-4.C: New test.
* g++.dg/coroutines/torture/mid-suspend-destruction-0.C: New test.
* g++.dg/coroutines/torture/pr92933.C: New test.
2020-01-18 12:54:46 +01:00
|
|
|
|
2020-01-18 Iain Sandoe <iain@sandoe.co.uk>
|
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|
|
|
|
|
|
|
|
|
|
* include/Makefile.am: Add coroutine to the std set.
|
|
|
|
|
|
* include/Makefile.in: Regenerated.
|
|
|
|
|
|
* include/std/coroutine: New file.
|
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|
|
|
|
2020-01-17 16:49:02 +01:00
|
|
|
|
2020-01-17 Jonathan Wakely <jwakely@redhat.com>
|
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|
|
|
|
|
|
|
|
|
|
PR libstdc++/92376
|
|
|
|
|
|
* include/bits/c++config: Only do PSTL config when the header is
|
|
|
|
|
|
present, to fix freestanding.
|
|
|
|
|
|
* libsupc++/new_opa.cc [!_GLIBCXX_HOSTED]: Declare allocation
|
|
|
|
|
|
functions if they were detected by configure.
|
|
|
|
|
|
|
2020-01-10 17:01:19 +01:00
|
|
|
|
2020-01-16 Kai-Uwe Eckhardt <kuehro@gmx.de>
|
|
|
|
|
|
Matthew Bauer <mjbauer95@gmail.com>
|
|
|
|
|
|
Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
PR bootstrap/64271 (partial)
|
|
|
|
|
|
* config/os/bsd/netbsd/ctype_base.h (ctype_base::mask): Change type
|
|
|
|
|
|
to unsigned short.
|
|
|
|
|
|
(ctype_base::alpha, ctype_base::digit, ctype_base::xdigit)
|
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|
|
|
|
(ctype_base::print, ctype_base::graph, ctype_base::alnum): Sync
|
|
|
|
|
|
definitions with NetBSD upstream.
|
|
|
|
|
|
(ctype_base::blank): Use _CTYPE_BL.
|
|
|
|
|
|
* config/os/bsd/netbsd/ctype_configure_char.cc (_C_ctype_): Remove
|
|
|
|
|
|
Declaration.
|
|
|
|
|
|
(ctype<char>::classic_table): Use _C_ctype_tab_ instead of _C_ctype_.
|
|
|
|
|
|
(ctype<char>::do_toupper, ctype<char>::do_tolower): Cast char
|
|
|
|
|
|
parameters to unsigned char.
|
|
|
|
|
|
* config/os/bsd/netbsd/ctype_inline.h (ctype<char>::is): Likewise.
|
|
|
|
|
|
|
2020-01-16 09:34:21 +01:00
|
|
|
|
2020-01-16 François Dumont <fdumont@gcc.gnu.org>
|
|
|
|
|
|
|
|
|
|
|
|
PR libstdc++/91263
|
|
|
|
|
|
* include/bits/hashtable.h (_Hashtable<>): Make _Equality<> friend.
|
|
|
|
|
|
* include/bits/hashtable_policy.h: Include <bits/stl_algo.h>.
|
|
|
|
|
|
(_Equality_base): Remove.
|
|
|
|
|
|
(_Equality<>::_M_equal): Review implementation. Use
|
|
|
|
|
|
std::is_permutation.
|
|
|
|
|
|
* testsuite/23_containers/unordered_multiset/operators/1.cc
|
|
|
|
|
|
(Hash, Equal, test02, test03): New.
|
|
|
|
|
|
* testsuite/23_containers/unordered_set/operators/1.cc
|
|
|
|
|
|
(Hash, Equal, test02, test03): New.
|
|
|
|
|
|
|
2020-01-15 15:09:35 +01:00
|
|
|
|
2020-01-15 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
PR libstdc++/93267
|
|
|
|
|
|
* include/bits/iterator_concepts.h (__max_diff_type, __max_size_type):
|
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|
|
|
|
Move here from <bits/range_access.h> and define using __int128 when
|
|
|
|
|
|
available.
|
|
|
|
|
|
(__is_integer_like, __is_signed_integer_like): Move here from
|
|
|
|
|
|
<bits/range_access.h>.
|
|
|
|
|
|
(weakly_incrementable): Use __is_signed_integer_like.
|
|
|
|
|
|
* include/bits/range_access.h (__max_diff_type, __max_size_type)
|
|
|
|
|
|
(__is_integer_like, __is_signed_integer_like): Move to
|
|
|
|
|
|
<bits/iterator_concepts.h>.
|
|
|
|
|
|
(__make_unsigned_like_t): Move here from <ranges>.
|
|
|
|
|
|
* include/std/ranges (__make_unsigned_like_t): Move to
|
|
|
|
|
|
<bits/range_access.h>.
|
|
|
|
|
|
(iota_view): Replace using-directive with using-declarations.
|
|
|
|
|
|
* testsuite/std/ranges/iota/93267.cc: New test.
|
|
|
|
|
|
* testsuite/std/ranges/iota_view.cc: Move to new 'iota' sub-directory.
|
|
|
|
|
|
|
2020-01-11 01:11:54 +01:00
|
|
|
|
2020-01-13 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
2020-01-13 11:02:39 +01:00
|
|
|
|
PR libstdc++/93244
|
|
|
|
|
|
* include/bits/fs_path.h (path::generic_string<C,A>)
|
|
|
|
|
|
[_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Convert root-dir to forward-slash.
|
|
|
|
|
|
* testsuite/27_io/filesystem/path/generic/generic_string.cc: Check
|
|
|
|
|
|
root-dir is converted to forward slash in generic pathname.
|
|
|
|
|
|
* testsuite/27_io/filesystem/path/generic/utf.cc: New test.
|
|
|
|
|
|
* testsuite/27_io/filesystem/path/generic/wchar_t.cc: New test.
|
|
|
|
|
|
|
2020-01-11 01:11:54 +01:00
|
|
|
|
PR libstdc++/58605
|
|
|
|
|
|
* include/bits/atomic_base.h (__cpp_lib_atomic_value_initialization):
|
|
|
|
|
|
Define.
|
|
|
|
|
|
(__atomic_flag_base, __atomic_base, __atomic_base<_PTp*>)
|
|
|
|
|
|
(__atomic_float): Add default member initializer for C++20.
|
|
|
|
|
|
* include/std/atomic (atomic): Likewise.
|
|
|
|
|
|
(atomic::atomic()): Remove noexcept-specifier on default constructor.
|
|
|
|
|
|
* include/std/version (__cpp_lib_atomic_value_initialization): Define.
|
|
|
|
|
|
* testsuite/29_atomics/atomic/cons/assign_neg.cc: Adjust dg-error line
|
|
|
|
|
|
number.
|
|
|
|
|
|
* testsuite/29_atomics/atomic/cons/copy_neg.cc: Likewise.
|
|
|
|
|
|
* testsuite/29_atomics/atomic/cons/value_init.cc: New test.
|
|
|
|
|
|
* testsuite/29_atomics/atomic_flag/cons/value_init.cc: New test.
|
|
|
|
|
|
* testsuite/29_atomics/atomic_flag/requirements/trivial.cc: Adjust
|
|
|
|
|
|
expected result for is_trivially_default_constructible.
|
|
|
|
|
|
* testsuite/29_atomics/atomic_float/requirements.cc: Likewise.
|
|
|
|
|
|
* testsuite/29_atomics/atomic_float/value_init.cc: New test.
|
|
|
|
|
|
* testsuite/29_atomics/atomic_integral/cons/assign_neg.cc: Likewise.
|
|
|
|
|
|
* testsuite/29_atomics/atomic_integral/cons/copy_neg.cc: Likewise.
|
|
|
|
|
|
* testsuite/29_atomics/atomic_integral/cons/value_init.cc
|
|
|
|
|
|
* testsuite/29_atomics/atomic_integral/requirements/trivial.cc: Adjust
|
|
|
|
|
|
expected results for is_trivially_default_constructible.
|
|
|
|
|
|
* testsuite/util/testsuite_common_types.h (has_trivial_dtor): Add
|
|
|
|
|
|
new test generator.
|
|
|
|
|
|
|
2020-01-10 16:27:39 +01:00
|
|
|
|
2020-01-10 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
2020-01-10 23:10:48 +01:00
|
|
|
|
* testsuite/util/testsuite_iterators.h: Improve comment.
|
|
|
|
|
|
|
2020-01-10 16:27:50 +01:00
|
|
|
|
* testsuite/25_algorithms/equal/deque_iterators/1.cc: Don't use C++11
|
|
|
|
|
|
initialization syntax.
|
|
|
|
|
|
|
2020-01-10 16:27:39 +01:00
|
|
|
|
PR libstdc++/92285
|
|
|
|
|
|
* include/bits/streambuf_iterator.h (istreambuf_iterator): Make type
|
|
|
|
|
|
of base class independent of __cplusplus value.
|
|
|
|
|
|
[__cplusplus < 201103L] (istreambuf_iterator::reference): Override the
|
|
|
|
|
|
type defined in the base class
|
|
|
|
|
|
* testsuite/24_iterators/istreambuf_iterator/92285.cc: New test.
|
|
|
|
|
|
* testsuite/24_iterators/istreambuf_iterator/requirements/
|
|
|
|
|
|
base_classes.cc: Adjust expected base class for C++98.
|
|
|
|
|
|
|
2020-01-10 00:00:50 +01:00
|
|
|
|
2020-01-09 Olivier Hainque <hainque@adacore.com>
|
|
|
|
|
|
|
|
|
|
|
|
* doc/xml/manual/appendix_contributing.xml: Document _C2
|
|
|
|
|
|
as a reserved identifier, by VxWorks.
|
|
|
|
|
|
* include/bits/stl_map.h: Rename _C2 template typenames as _Cmp2.
|
|
|
|
|
|
* include/bits/stl_multimap.h: Likewise.
|
|
|
|
|
|
|
2020-01-09 22:31:50 +01:00
|
|
|
|
2020-01-09 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
2020-01-09 22:31:55 +01:00
|
|
|
|
* include/ext/extptr_allocator.h (_ExtPtr_allocator::operator==)
|
|
|
|
|
|
(_ExtPtr_allocator::operator!=): Add missing const qualifiers.
|
|
|
|
|
|
* include/ext/pointer.h (readable_traits<_Pointer_adapter<S>>): Add
|
|
|
|
|
|
partial specialization to disambiguate the two constrained
|
|
|
|
|
|
specializations.
|
|
|
|
|
|
|
2020-01-09 22:31:50 +01:00
|
|
|
|
* include/experimental/type_traits (experimental::is_pod_v): Disable
|
|
|
|
|
|
-Wdeprecated-declarations warnings around reference to std::is_pod.
|
|
|
|
|
|
* include/std/type_traits (is_pod_v): Likewise.
|
|
|
|
|
|
* testsuite/18_support/max_align_t/requirements/2.cc: Also check
|
|
|
|
|
|
is_standard_layout and is_trivial. Do not check is_pod for C++20.
|
|
|
|
|
|
* testsuite/20_util/is_pod/requirements/explicit_instantiation.cc:
|
|
|
|
|
|
Add -Wno-deprecated for C++20.
|
|
|
|
|
|
* testsuite/20_util/is_pod/requirements/typedefs.cc: Likewise.
|
|
|
|
|
|
* testsuite/20_util/is_pod/value.cc: Likewise.
|
|
|
|
|
|
* testsuite/experimental/type_traits/value.cc: Likewise.
|
|
|
|
|
|
|
2020-01-09 22:31:43 +01:00
|
|
|
|
2020-01-09 JeanHeyd "ThePhD" Meneide <phdofthehouse@gmail.com>
|
|
|
|
|
|
|
|
|
|
|
|
* include/bits/c++config (_GLIBCXX20_DEPRECATED): Add new macro.
|
|
|
|
|
|
* include/std/type_traits (is_pod, is_pod_v): Deprecate for C++20.
|
|
|
|
|
|
* testuite/20_util/is_pod/deprecated-2a.cc: New test.
|
|
|
|
|
|
|
2020-01-09 14:18:20 +01:00
|
|
|
|
2020-01-09 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
2020-01-09 17:50:51 +01:00
|
|
|
|
PR libstdc++/93205
|
|
|
|
|
|
* include/bits/random.h (operator>>): Check stream operation succeeds.
|
|
|
|
|
|
* include/bits/random.tcc (operator<<): Remove redundant __ostream_type
|
|
|
|
|
|
typedefs.
|
|
|
|
|
|
(operator>>): Remove redundant __istream_type typedefs. Check stream
|
|
|
|
|
|
operations succeed.
|
|
|
|
|
|
(__extract_params): New function to fill a vector from a stream.
|
|
|
|
|
|
* testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error line.
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2020-01-09 14:18:20 +01:00
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PR libstdc++/93208
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* config/abi/pre/gnu.ver: Add new exports.
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* include/std/memory_resource (memory_resource::~memory_resource()):
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Do not define inline.
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(monotonic_buffer_resource::~monotonic_buffer_resource()): Likewise.
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* src/c++17/memory_resource.cc (memory_resource::~memory_resource()):
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Define.
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(monotonic_buffer_resource::~monotonic_buffer_resource()): Define.
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* testsuite/20_util/monotonic_buffer_resource/93208.cc: New test.
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2020-01-09 06:40:08 +01:00
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2020-01-09 François Dumont <fdumont@gcc.gnu.org>
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PR libstdc++/92124
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* include/bits/hashtable.h (_Hashtable<>::__alloc_node_gen_t): New
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template alias.
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(_Hashtable<>::__fwd_value_for): New.
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(_Hashtable<>::_M_assign_elements<>): Remove _NodeGenerator template
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parameter.
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(_Hashtable<>::_M_assign<>): Add _Ht template parameter.
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(_Hashtable<>::operator=(const _Hashtable<>&)): Adapt.
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(_Hashtable<>::_M_move_assign): Adapt. Replace std::move_if_noexcept
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with std::move.
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(_Hashtable<>::_Hashtable(const _Hashtable&)): Adapt.
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(_Hashtable<>::_Hashtable(const _Hashtable&, const allocator_type&)):
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Adapt.
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(_Hashtable<>::_Hashtable(_Hashtable&&, const allocator_type&)):
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Adapt.
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* testsuite/23_containers/unordered_set/92124.cc: New.
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2020-01-08 17:44:45 +01:00
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2020-01-08 Jonathan Wakely <jwakely@redhat.com>
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PR libstdc++/93201
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* src/c++17/fs_ops.cc (do_remove_all): New function implementing more
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|
detailed error reporting for remove_all. Check result of recursive
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call before incrementing iterator.
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(remove_all(const path&), remove_all(const path&, error_code&)): Use
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|
do_remove_all.
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* src/filesystem/ops.cc (remove_all(const path&, error_code&)): Check
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|
result of recursive call before incrementing iterator.
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|
* testsuite/27_io/filesystem/operations/remove_all.cc: Check errors
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|
are reported correctly.
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|
* testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
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|
2020-01-08 04:00:40 +01:00
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|
2020-01-07 Thomas Rodgers <trodgers@redhat.com>
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* include/std/condition_variable
|
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|
|
(condition_variable_any::wait_on): Rename to match current draft
|
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|
|
|
|
standard.
|
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|
(condition_variable_any::wait_on_until): Likewise.
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|
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|
|
(condition_variable_any::wait_on_for): Likewise.
|
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|
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|
|
* testsuite/30_threads/condition_variable_any/stop_token/wait_on.cc:
|
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|
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|
|
Adjust tests to account for renamed methods.
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|
|
2020-01-07 22:01:37 +01:00
|
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|
|
2020-01-07 François Dumont <fdumont@gcc.gnu.org>
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|
|
|
|
|
|
|
|
|
PR libstdc++/92124
|
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|
|
|
|
* include/bits/stl_tree.h
|
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|
|
|
|
(_Rb_tree<>::_M_move_assign(_Rb_tree&, false_type)): Replace
|
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|
|
|
|
std::move_if_noexcept by std::move.
|
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|
|
|
|
* testsuite/23_containers/map/92124.cc: New.
|
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|
* testsuite/23_containers/set/92124.cc: New.
|
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|
|
|
|
|
2020-01-06 13:06:41 +01:00
|
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|
|
2020-01-06 Jonathan Wakely <jwakely@redhat.com>
|
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|
|
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|
|
2020-01-06 13:06:47 +01:00
|
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|
|
* include/std/stop_token (stop_token): Remove operator!= (LWG 3254).
|
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|
|
|
|
(stop_source): Likewise (LWG 3362).
|
|
|
|
|
|
* testsuite/30_threads/stop_token/stop_source.cc: Test equality
|
|
|
|
|
|
comparisons.
|
|
|
|
|
|
|
2020-01-06 13:06:41 +01:00
|
|
|
|
* include/bits/stl_algobase.h (__is_byte_iter, __min_cmp)
|
|
|
|
|
|
(lexicographical_compare_three_way): Do not depend on
|
|
|
|
|
|
__cpp_lib_concepts.
|
|
|
|
|
|
* include/std/version (__cpp_lib_three_way_comparison): Only define
|
|
|
|
|
|
when __cpp_lib_concepts is defined.
|
|
|
|
|
|
* libsupc++/compare (__cpp_lib_three_way_comparison): Likewise.
|
|
|
|
|
|
|
2020-01-03 15:44:39 +01:00
|
|
|
|
2020-01-03 Jonathan Wakely <jwakely@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
* include/bits/stl_algobase.h (lexicographical_compare_three_way):
|
|
|
|
|
|
Only define four-argument overload when __cpp_lib_concepts is defined.
|
|
|
|
|
|
|
2020-01-01 20:19:51 +01:00
|
|
|
|
2020-01-01 John David Anglin <danglin@gcc.gnu.org>
|
|
|
|
|
|
|
|
|
|
|
|
* config/abi/post/hppa-linux-gnu/baseline_symbols.txt: Update.
|
|
|
|
|
|
|
2020-01-01 12:51:42 +01:00
|
|
|
|
2020-01-01 Jakub Jelinek <jakub@redhat.com>
|
2015-01-05 13:33:28 +01:00
|
|
|
|
|
|
|
|
|
|
Update copyright years.
|
2015-01-02 17:50:45 +01:00
|
|
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|
|
2020-01-01 12:51:42 +01:00
|
|
|
|
Copyright (C) 2020 Free Software Foundation, Inc.
|
2015-01-02 17:50:45 +01:00
|
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|
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|
|
Copying and distribution of this file, with or without modification,
|
|
|
|
|
|
are permitted in any medium without royalty provided the copyright
|
|
|
|
|
|
notice and this notice are preserved.
|