+2019-11-26 François Dumont <fdumont@gcc.gnu.org>
+
+ * include/debug/helper_functions.h (__valid_range_aux): Use C++98
+ std::input_iterator_tag default constructor invocation.
+
+ * include/debug/array (array<>::fill): Add C++20 constexpr.
+ (array<>::swap): Likewise.
+
+ * include/debug/safe_iterator.h
+ [__cpp_lib_concepts](_Safe_iterator<>::iterator_concept): Define for
+ C++20.
+
+2019-11-25 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/iterator_concepts.h (ranges::iter_swap): Fix parameter
+ types of poison pill overload. Use remove_reference_t when checking
+ constraints.
+ * include/bits/stl_iterator.h (move_sentinel): Define for C++20.
+ (move_iterator): Adjust definitions of nested types for C++20. Add
+ hidden friends for move_sentinel operations, iter_move and iter_swap.
+ (common_iterator, counted_iterator): Define for C++20.
+ * testsuite/24_iterators/move_iterator/cust.cc: New test.
+ * testsuite/24_iterators/move_iterator/sentinel.cc: New test.
+ * testsuite/24_iterators/common_iterator/1.cc: New test.
+ * testsuite/24_iterators/counted_iterator/1.cc: New test.
+
+ PR libstdc++/91786
+ * include/bits/fs_path.h (filesystem_error): Move definition before
+ the use in u8path.
+
+2019-11-24 François Dumont <fdumont@gcc.gnu.org>
+
+ * include/debug/functions.h: Remove <bits/move.h> include.
+ (__check_singular_aux, __check_singular): Move...
+ * include/debug/helper_functions.h:
+ (__check_singular_aux, __check_singular): ...here.
+ (__valid_range_aux): Adapt to use latter.
+ * testsuite/25_algorithms/copy/debug/2_neg.cc: New.
+
+2019-11-20 Janne Blomqvist <jb@gcc.gnu.org>
+
+ * doc/html/api.html: Use https for gcc.gnu.org.
+ * doc/xml/api.xml: Likewise.
+
+2019-11-19 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/bits/regex.h (ranges::__detail::__enable_view_impl): Fix
+ declaration.
+ * include/bits/stl_multiset.h (ranges::__detail::__enable_view_impl):
+ Likewise.
+ * include/bits/stl_set.h (ranges::__detail::__enable_view_impl):
+ Likewise.
+ * include/bits/unordered_set.h (ranges::__detail::__enable_view_impl):
+ Likewise.
+ * include/debug/multiset.h (ranges::__detail::__enable_view_impl):
+ Likewise.
+ * include/debug/set.h (ranges::__detail::__enable_view_impl): Likewise.
+ * include/debug/unordered_set (ranges::__detail::__enable_view_impl):
+ Likewise.
+
+2019-11-18 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/thread: Reduce header dependencies.
+ (jthread::get_id()): Add missing return.
+ (jthread::get_stop_token()): Avoid unnecessary stop_source temporary.
+ (jthread::_S_create): Check is_invocable using decayed types. Add
+ static assertion.
+ * testsuite/30_threads/jthread/1.cc: Add dg-require-gthreads.
+ * testsuite/30_threads/jthread/2.cc: Likewise.
+ * testsuite/30_threads/jthread/3.cc: New test.
+ * testsuite/30_threads/jthread/jthread.cc: Add missing directives for
+ pthread and gthread support. Use VERIFY instead of assert.
+
+ * include/bits/alloc_traits.h (allocator_traits::construct)
+ (allocator_traits::destroy, allocator_traits::max_size): Add unused
+ attributes to parameters that are not used in C++20.
+ * include/std/bit (__ceil2): Add braces around assertion to avoid
+ -Wmissing-braces warning.
+
+2019-11-16 Edward Smith-Rowland <3dw4rd@verizon.net>
+
+ Repair the <tuple> part of C++20 p1032 Misc constexpr bits.
+ * include/bits/uses_allocator.h (__uses_alloc0::_Sink::operaror=)
+ (__use_alloc(const _Alloc&)) : Constexpr.
+
+2019-11-17 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/string_view (basic_string_view(It, End)): Add range
+ constructor and deduction guide from P1391R4.
+ * testsuite/21_strings/basic_string_view/cons/char/range.cc: New test.
+
+ * include/bits/regex.h (match_results): Specialize __enable_view_impl.
+ * include/bits/stl_set.h (set): Likewise.
+ * include/bits/unordered_set.h (unordered_set, unordered_multiset):
+ Likewise.
+ * include/debug/multiset.h (__debug::multiset): Likewise.
+ * include/debug/set.h (__debug::set): Likewise.
+ * include/debug/unordered_set (__debug::unordered_set)
+ (__debug::unordered_multiset): Likewise.
+ * include/std/ranges (ranges::view, ranges::enable_view)
+ (ranges::view_interface, ranges::subrange, ranges::empty_view)
+ (ranges::single_view, ranges::views::single, ranges::iota_view)
+ (ranges::views::iota): Define for C++20.
+ * testsuite/std/ranges/empty_view.cc: New test.
+ * testsuite/std/ranges/iota_view.cc: New test.
+ * testsuite/std/ranges/single_view.cc: New test.
+ * testsuite/std/ranges/view.cc: New test.
+
+2019-11-16 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/ranges: Revert accidentally committed changes.
+
+ * include/std/thread (jthread::jthread()): Use nostopstate constant.
+ (jthread::jthread(Callable&&, Args&&...)): Use helper function to
+ create std::thread instead of indirection through a lambda. Use
+ remove_cvref_t instead of decay_t.
+ (jthread::joinable(), jthread::get_id(), jthread::native_handle())
+ (jthread::hardware_concurrency()): Add nodiscard attribute.
+ (swap(jthread&. jthread&)): Define hidden friend.
+ (jthread::_S_create): New helper function for constructor.
+
+2019-11-15 Edward Smith-Rowland <3dw4rd@verizon.net>
+
+ Implement the <tuple> part of C++20 p1032 Misc constexpr bits.
+ * include/std/tuple (_Head_base, _Tuple_impl(allocator_arg_t,...)
+ (_M_assign, tuple(allocator_arg_t,...), _Inherited, operator=, _M_swap)
+ (swap, pair(piecewise_construct_t,): Constexpr.
+ * (__uses_alloc0::_Sink::operator=, __uses_alloc_t): Constexpr.
+ * testsuite/20_util/tuple/cons/constexpr_allocator_arg_t.cc: New test.
+ * testsuite/20_util/tuple/constexpr_swap.cc : New test.
+ * testsuite/20_util/uses_allocator/69293_neg.cc: Extra error for C++20.
+ * testsuite/20_util/uses_allocator/cons_neg.cc: : Extra error for C++20.
+
+2019-11-15 Jonathan Wakely <jwakely@redhat.com>
+
+ * include/std/stop_token: Reduce header dependencies by including
+ internal headers.
+ (stop_token::swap(stop_token&), swap(stop_token&, stop_token&)):
+ Define.
+ (operator!=(const stop_token&, const stop_token&)): Fix return value.
+ (stop_token::_Stop_cb::_Stop_cb(Cb&&)): Use std::forward instead of
+ (stop_token::_Stop_state_t) [_GLIBCXX_HAS_GTHREADS]: Use lock_guard
+ instead of unique_lock.
+ [!_GLIBCXX_HAS_GTHREADS]: Do not use mutex.
+ (stop_token::stop_token(_Stop_state)): Change parameter to lvalue
+ reference.
+ (stop_source): Remove unnecessary using-declarations for names only
+ used once.
+ (swap(stop_source&, stop_source&)): Define.
+ (stop_callback(const stop_token&, _Cb&&))
+ (stop_callback(stop_token&&, _Cb&&)): Replace lambdas with a named
+ function. Use std::forward instead of std::move. Run callbacks if a
+ stop request has already been made.
+ (stop_source::_M_execute()): Remove.
+ (stop_source::_S_execute(_Stop_cb*)): Define.
+ * include/std/version (__cpp_lib_jthread): Define conditionally.
+ * testsuite/30_threads/stop_token/stop_callback.cc: New test.
+ * testsuite/30_threads/stop_token/stop_source.cc: New test.
+ * testsuite/30_threads/stop_token/stop_token.cc: Enable test for
+ immediate execution of callback.
+
+2019-11-15 Edward Smith-Rowland <3dw4rd@verizon.net>
+
+ Implement the default_searcher part of C++20 p1032 Misc constexpr bits.
+ * include/std/functional
+ (default_searcher, default_searcher::operator()): Constexpr.
+ * testsuite/20_util/function_objects/constexpr_searcher.cc: New.
+
2019-11-15 Jonathan Wakely <jwakely@redhat.com>
* include/bits/iterator_concepts.h (weakly_incrementable): Adjust.
* doc/xml/manual/codecvt.xml: Switch pubs.opengroup.org to https.
* doc/xml/manual/locale.xml (LC_ALL): Ditto.
* doc/xml/manual/messages.xml: Ditto.
-
+
2019-10-26 John David Anglin <danglin@gcc.gnu.org>
* config/abi/post/hppa-linux-gnu/baseline_symbols.txt: Update.
pubs.opengroup.org to https.
2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
-
+
* doc/xml/gnu/gpl-3.0.xml: Switch www.gnu.org to https.
2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
PSTL backend if no TBB present.
* testsuite/utils/pstl/test_utils.h: Remove check for
_PSTL_USE_PAR_POLICIES
-
+
2019-06-07 Jonathan Wakely <jwakely@redhat.com>
* testsuite/24_iterators/container_access.cc: Move dg-options before
Document PSTL linker flags
* doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
-
+
2019-04-23 Jonathan Wakely <jwakely@redhat.com>
* include/std/variant (__detail::__variant::_Traits): Make
* include/bits/c++config: Remove explicit PSTL configuration
macros and use definitions from <pstl/pstl_config.h>.
-
+
2019-04-20 Thomas Rodgers <trodgers@redhat.com>
Cleanup algorithm implementations
(equal): Qualify call to std::equal().
(partial_sort): Forward execution policy.
(inplace_merge): Forward execution policy.
-
+
2019-04-19 Thomas Rodgers <trodgers@redhat.com>
-
+
Improve implementation of parallel equal()
* include/pstl/algorithm_impl.h
(__internal::__brick_equal): use "4 iterator" version of
* include/pstl/glue_algorithm_impl.h
(std::equal): dispatch to "4 iterator" version of
__internal::__pattern_equal().
-
+
2019-04-17 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90105
* testsuite/20_util/optional/observers/4.cc: Likewise.
2019-04-12 Thomas Rodgers <trodgers@redhat.com>
-
+
* include/pstl/algorithm_impl.h: Uglify identfiers.
* include/pstl/numeric_impl.h: Uglify identfiers.
* include/pstl/parallel_backend_tbb.h: Uglify identfiers.
avoid -Wconversion warnings.
2019-03-21 Thomas Rodgers <trodgers@redhat.com>
-
+
* include/Makefile.am (std_header): Add ${std_srcdir}/execution.
(pstl_srcdir, pstl_builddir, pstl_headers): New variables.
(allstamped): Add stamp-pstl.
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