blob: 974d3dae238da3564bfa244d5270bb6fe75624e6 [file] [log] [blame]
2022-05-27 Release Manager
* GCC 9.5.0 released.
2022-05-16 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-16 Jonathan Wakely <jwakely@redhat.com>
* doc/html/manual/status.html: Regenerate.
* doc/xml/manual/status_cxx2020.xml: Fix supported version for
C++20 bit operations and power-of-two operations.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-06 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/105502
* include/bits/random.tcc
(operator>>(basic_istream<C,T>&, normal_distribution<R>&)):
Update state when __state_avail is false.
* testsuite/26_numerics/random/normal_distribution/operators/serialize.cc:
Check that deserialized object equals serialized one.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-11-26 Jonathan Wakely <jwakely@redhat.com>
* testsuite/27_io/types/1.cc: Add c++11 target selector to
warnings.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-02-04 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/bits/fs_ops.h (fs::copy_file): Remove
noexcept.
(fs::create_directories): Likewise.
(fs::remove_all): Likewise.
* src/filesystem/ops.cc (fs::copy_file): Remove noexcept.
(fs::create_directories): Likewise.
(fs::remove_all): Likewise.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-12-09 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103630
* libsupc++/exception_ptr.h (make_exception_ptr): Decay the
template parameter. Use typeid of the static type.
* testsuite/18_support/exception_ptr/103630.cc: New test.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-12-17 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/93151
* config/os/djgpp/error_constants.h: Test POSIX errno macros
directly, instead of corresponding _GLIBCXX_HAVE_EXXX macros.
* config/os/mingw32-w64/error_constants.h: Likewise.
* config/os/mingw32/error_constants.h: Likewise.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-12-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/93151
* acinclude.m4 (GLIBCXX_CHECK_SYSTEM_ERROR): Remove.
* config.h.in: Regenerate.
* configure: Regenerate.
* configure.ac (GLIBCXX_CHECK_SYSTEM_ERROR): Do not use.
* config/os/generic/error_constants.h: Test POSIX errno macros
directly, instead of corresponding _GLIBCXX_HAVE_EXXX macros.
* testsuite/19_diagnostics/headers/system_error/errc_std_c++0x.cc:
Likewise.
* testsuite/19_diagnostics/headers/system_error/93151.cc: New
test.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-05-04 Jonathan Wakely <jwakely@redhat.com>
* include/bits/basic_string.h (basic_string(const CharT*, const A&)):
Do not do arithmetic on null pointer.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-08-12 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/101870
* include/c_global/cmath (hypot): Use __promoted_t.
(lerp): Add new overload accepting any arithmetic types.
* include/ext/type_traits.h (__promoted_t): New alias template.
* testsuite/26_numerics/lerp.cc: Moved to...
* testsuite/26_numerics/lerp/1.cc: ...here.
* testsuite/26_numerics/lerp/constexpr.cc: New test.
* testsuite/26_numerics/lerp/version.cc: New test.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-10-01 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/100153
* include/bits/vector.tcc (vector<bool>::_M_shrink_to_fit()):
When size() is zero just deallocate and reset.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-10-01 Jonathan Wakely <jwakely@redhat.com>
* testsuite/25_algorithms/is_permutation/2.cc: Include <iterator>.
2022-05-09 Pavel I. Kryukov <pavel.kryukov@phystech.edu>
Backported from master:
2022-01-06 Pavel I. Kryukov <pavel.kryukov@phystech.edu>
Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103853
* include/bits/forward_list.tcc (forward_list::merge): Check for
self-merge.
* testsuite/23_containers/forward_list/operations/merge.cc: New test.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-12-04 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103549
* include/bits/regex.h (match_results): Give names to template
parameters in first declaration.
(match_results::_M_begin): Add default member-initializer.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-01-05 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103877
* doc/xml/faq.xml: Add '-x c++' to preprocessor command.
* doc/html/faq.html: Regenerate.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-01-17 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103650
* include/Makefile.am: Rename LT_OBJDIR and STDC_HEADERS.
* include/Makefile.in: Regenerate.
* testsuite/17_intro/headers/c++1998/103650.cc: New test.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-04-01 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/bits/fs_fwd.h (copy_file): Remove
incorrect noexcept from declaration.
* include/experimental/bits/fs_path.h (path::begin, path::end):
Add noexcept to declarations, to match definitions.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-04-14 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/intro.xml: Fix comment.
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2022-05-09 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/102048
* include/ext/rope (rope::erase(size_type)): Deprecate broken
function.
2021-11-23 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-11-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103381
* include/ext/bitmap_allocator.h: Include <bits/stl_function.h>
instead of <functional>.
2021-11-01 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-11-01 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/103022
* include/std/valarray (begin, end): Do not dereference an empty
valarray. Add noexcept.
* testsuite/26_numerics/valarray/range_access.cc: Check empty
valarray. Check iterator properties. Run as well as compiling.
* testsuite/26_numerics/valarray/range_access2.cc: Likewise.
* testsuite/26_numerics/valarray/103022.cc: New test.
2021-10-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-10-13 Jonathan Wakely <jwakely@redhat.com>
* testsuite/28_regex/match_results/102667.C: Moved to...
* testsuite/28_regex/match_results/102667.cc: ...here.
2021-10-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-09-17 Jonathan Wakely <jwakely@redhat.com>
* testsuite/26_numerics/valarray/dr630-3.C: Moved to...
* testsuite/26_numerics/valarray/dr630-3.cc: ...here.
* testsuite/27_io/basic_iostream/cons/16251.C: Moved to...
* testsuite/27_io/basic_iostream/cons/16251.cc: ...here.
2021-10-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-09-16 Jonathan Wakely <jwakely@redhat.com>
* include/bits/fs_path.h (advance): Remove non-deducible
template parameter.
2021-10-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-09-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/102425
* src/c++11/system_error.cc
(system_error_category::default_error_condition): Add 0 to
switch.
* testsuite/19_diagnostics/error_category/102425.cc: New test.
2021-10-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-08-17 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py (StdErrorCodePrinter): Define.
(build_libstdcxx_dictionary): Register printer for
std::error_code and std::error_condition.
* testsuite/libstdc++-prettyprinters/cxx11.cc: Test it.
2021-10-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-08-16 Jonathan Wakely <jwakely@redhat.com>
* python/Makefile.am [GLIBCXX_BUILD_DEBUG] (install-data-local):
Install another copy of the GDB hook.
* python/Makefile.in: Regenerate.
2021-10-13 Jonathan Wakely <jwakely@redhat.com>
* testsuite/27_io/filesystem/operations/remove_all.cc: Remove
test directory after making it writable again.
* testsuite/experimental/filesystem/operations/remove_all.cc:
Likewise.
2021-10-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-10-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/102667
* include/bits/regex.h (match_result::empty()): Optimize by
calling the base function directly.
(match_results::end()): Check _Base_type::empty() not empty().
* testsuite/28_regex/match_results/102667.C: New test.
2021-08-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-08-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/101866
* testsuite/experimental/random/randint.cc: Loop and retry if
reseed() produces the same sequence.
2021-08-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-07-20 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/101510
* src/c++17/fs_ops.cc (fs::create_directories): Use status
instead of symlink_status.
* src/filesystem/ops.cc (fs::create_directories): Likewise.
* testsuite/27_io/filesystem/operations/create_directories.cc:
Check symlink to existing directory.
* testsuite/27_io/filesystem/operations/create_directory.cc: Do
not test with symlinks on Windows.
* testsuite/experimental/filesystem/operations/create_directories.cc:
Check symlink to existing directory.
* testsuite/experimental/filesystem/operations/create_directory.cc:
Do not test with symlinks on Windows.
2021-08-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-07-20 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/101510
* src/c++17/fs_ops.cc (create_dir): Adjust whitespace.
* testsuite/27_io/filesystem/operations/create_directory.cc:
Test creating directory with name of existing symlink to
directory.
* testsuite/experimental/filesystem/operations/create_directory.cc:
Likewise.
2021-08-02 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-02-12 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/88881
* src/c++17/fs_ops.cc (fs::symlink_status): Re-enable workaround.
2021-08-02 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-02-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/88881
* src/c++17/fs_ops.cc (fs::status): Re-enable workaround.
2021-07-22 Jonathan Wakely <jwakely@redhat.com>
* testsuite/ext/profile/mutex_extensions_neg.cc: Prune
additional errors in C++20 mode.
2021-07-22 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-04-15 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/96657
* libsupc++/Makefile.am: Add atomicity.cc here.
* src/c++98/Makefile.am: Remove it from here.
* libsupc++/Makefile.in: Regenerate.
* src/c++98/Makefile.in: Regenerate.
* testsuite/18_support/exception_ptr/96657.cc: New test.
2021-07-22 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-06-14 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/101034
* include/std/any (any(in_place_t<T>, initializer_list<U>, A&&...))
(any::emplace<T>(initializer_list<U>, A&&...)): Fix constraint
to use lvalue.
* testsuite/20_util/any/cons/101034.cc: New test.
2021-07-22 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-04-23 Kamlesh Kumar <kamleshbhalui@gmail.com>
Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90415
PR libstdc++/92156
* include/std/any (any): Rename template parameters for consistency
with the standard.
(any::_Decay): Rename to _Decay_if_not_any.
(any::any(T&&)): Remove is_constructible from constraints. Remove
non-standard overload.
(any::any(in_place_type_t<T>, Args&&...))
(any::any(in_place_type_t<T>, initializer_list<U>, Args&&...))
(any::emplace(Args&&...))
(any::emplace(initializer_list<U>, Args&&...)):
Use decay_t instead of _Decay.
* testsuite/20_util/any/cons/90415.cc: New test.
* testsuite/20_util/any/cons/92156.cc: New Test.
* testsuite/20_util/any/misc/any_cast_neg.cc: Make dg-error directives
more robust.
* testsuite/20_util/any/modifiers/92156.cc: New test.
2021-07-22 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-06-09 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/100982
* include/std/optional (optional::operator=(const optional<U>&)):
Fix value category used in is_assignable check.
* testsuite/20_util/optional/assignment/100982.cc: New test.
2021-06-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-06-18 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/95833
* include/std/numeric (reduce(Iter, Iter, T, BinaryOp)): Replace
incorrect static_assert with ones matching the 'Mandates'
conditions in the standard.
* testsuite/26_numerics/reduce/95833.cc: New test.
2021-06-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-05-17 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/100630
* include/bits/fs_path.h (__is_constructible_from): Test
construction from a const lvalue, not an rvalue.
* include/experimental/bits/fs_path.h (__is_constructible_from):
Likewise.
* testsuite/27_io/filesystem/path/construct/100630.cc: New test.
* testsuite/experimental/filesystem/path/construct/100630.cc:
New test.
2021-06-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-05-04 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/100384
* include/std/variant (__get_t): New alias template yielding the
return type of std::get<N> on a variant.
(__visit_result_t): New alias template yielding the result of
std::visit.
(__do_visit): Use __get_t.
(visit): Use __visit_result_t for return type.
* testsuite/20_util/variant/100384.cc: New test.
2021-06-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-04-22 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/99006
* include/bits/shared_ptr.h (allocate_shared): Assert that _Tp
is not an array type.
* include/bits/shared_ptr_base.h (__allocate_shared): Likewise.
* testsuite/20_util/shared_ptr/creation/99006.cc: New test.
2021-06-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-06-17 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91488
* include/bits/char_traits.h (__constant_string_p)
(__constant_array_p): Give external linkage.
2021-06-18 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-03-11 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py (find_type): Use tag attribute
instead of unqualified() method.
2021-06-01 Release Manager
* GCC 9.4.0 released.
2021-05-01 Iain Sandoe <iain@sandoe.co.uk>
Jakub Jelinek <jakub@redhat.com>
PR target/97865
* configure: Regenerate.
2021-04-30 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-04-30 Jonathan Wakely <jwakely@redhat.com>
* include/bits/basic_string.h (__cpp_lib_constexpr_string):
Only define for C++17 and later.
2021-04-29 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-04-26 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/100259
* include/experimental/internet (net::ip::make_error_code)
(net::ip::make_error_condition, net::ip::make_network_v4)
(net::ip::operator==(const udp&, const udp&)): Add 'inline'.
2021-04-29 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-04-28 Jonathan Wakely <jwakely@redhat.com>
* include/bits/basic_string.h (__cpp_lib_constexpr_string): Define.
* include/std/version (__cpp_lib_constexpr_string): Define.
* testsuite/21_strings/char_traits/requirements/constexpr_functions_c++17.cc:
Check for __cpp_lib_constexpr_string.
* testsuite/21_strings/char_traits/requirements/version.cc: New test.
2021-04-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-04-21 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/100180
* testsuite/experimental/net/internet/address/v6/members.cc:
Require gthreads.
2021-04-20 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-03-19 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/99181
* testsuite/21_strings/char_traits/requirements/char/99181.cc: New
test.
2021-04-20 Jakub Jelinek <jakub@redhat.com>
Backported from master:
2021-03-19 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/99181
* include/bits/char_traits.h (char_traits<char>::compare): For
constexpr evaluation don't call
__gnu_cxx::char_traits<char_type>::compare but do the comparison loop
directly.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-06-04 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_algo.h (copy_n): Only call __copy_n for positive
values.
* testsuite/util/testsuite_iterators.h
(random_access_iterator_wrapper::operator+=): Fix range check for
negative values.
* testsuite/25_algorithms/copy_n/5.cc: New test.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-08-10 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_iterator.h (inserter): Do not deduce
iterator type (LWG 561).
* testsuite/24_iterators/insert_iterator/dr561.cc: New test.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2019-06-20 Jonathan Wakely <jwakely@redhat.com>
* testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
vector<bool> for test.
* testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2021-04-20 Michael Weghorn <m.weghorn@posteo.de>
Backported from master:
2019-06-19 Michael Weghorn <m.weghorn@posteo.de>
Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90945
* python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
values of type bool for vector<bool> elements.
* testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
* testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/94854
* include/bits/basic_string.tcc: Update comment about explicit
instantiations.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-08-11 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/executor (system_context::_M_run()):
Fix predicate.
(system_context::join()): Do not join unless joinable.
* testsuite/experimental/net/system_context/1.cc: New test.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-08-11 Jonathan Wakely <jwakely@redhat.com>
* testsuite/30_threads/thread/cons/84535.cc: Use a custom
namespace.
* testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-10-27 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/fs_dir.cc (fs::directory_iterator::operator*):
Add noexcept. Do not throw on precondition violation.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-10-27 Jonathan Wakely <jwakely@redhat.com>
* include/bits/fs_path.h (path::_List::begin, path::_List::end):
Add noexcept to match definitions in src/c++17/fs_path.cc.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-02-10 Jonathan Wakely <jwakely@redhat.com>
* testsuite/27_io/filesystem/operations/proximate.cc: Fix typo
in __MINGW32__ macro name.
* testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
* testsuite/27_io/filesystem/path/generation/proximate.cc:
Likewise.
* testsuite/27_io/filesystem/path/generation/relative.cc:
Likewise.
* testsuite/util/testsuite_fs.h: Likewise.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-02-10 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/fs_ops.cc (fs::create_hard_link, fs::equivalent)
(fs::remove): Use std::system_category() for error codes from
GetLastError().
* src/filesystem/ops.cc (fs::create_hard_link, fs::remove):
Likewise.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-03-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/99533
* src/c++17/fs_dir.cc (recursive_directory_iterator): Use new
helper function to check for permission denied errors.
* src/filesystem/dir.cc (recursive_directory_iterator):
Likewise.
* src/filesystem/dir-common.h (is_permission_denied_error): New
helper function.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-03-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/99536
* include/bits/random.h (normal_distribution): Use
default-initializer for _M_saved and _M_saved_available.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-02-12 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/internet (address_v6::to_string): Include
scope ID in string.
(address_v6::loopback): Fix to be constexpr in C++14.
* testsuite/experimental/net/internet/address/v6/members.cc:
Test to_string() results.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-02-12 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/internet (address_v6::any): Avoid using
memcpy in constexpr function.
(address_v6::loopback): Likewise.
(make_address_v6): Fix missing return statements on error paths.
* include/experimental/io_context: Avoid -Wdangling-else
warning.
* testsuite/experimental/net/internet/address/v4/members.cc:
Remove unused variables.
* testsuite/experimental/net/internet/address/v6/members.cc:
New test.
2021-04-20 Nuno Lopes <nuno.lopes@ist.utl.pt>
Backported from master:
2020-10-13 Nuno Lopes <nuno.lopes@ist.utl.pt>
* include/bits/stl_algo.h (any_of): Fix incorrect description
in comment.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-10-12 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_algobase.h (copy, move, copy_backward)
(move_backward): Fix documentation for returned iterator.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-10-08 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/82584
* include/bits/random.tcc
(discrete_distribution::param_type::_M_initialize)
(piecewise_constant_distribution::param_type::_M_initialize)
(piecewise_linear_distribution::param_type::_M_initialize):
Add assertions for positive sums..
* testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error
line.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-02-03 Jonathan Wakely <jwakely@redhat.com>
* testsuite/19_diagnostics/error_code/operators/not_equal.cc:
Add comparison with same category and different values.
* testsuite/19_diagnostics/error_code/operators/less.cc:
Likewise. Fix comparison involving different categories.
* testsuite/19_diagnostics/error_condition/operators/less.cc:
Add comment.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-11-25 Jonathan Wakely <jwakely@redhat.com>
* testsuite/17_intro/names.cc: Do not test 'v' on AIX.
2021-04-20 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-03-22 Jonathan Wakely <jwakely@redhat.com>
* include/bits/range_access.h (begin(T (&)[N]), end(T (&)[N])):
Add missing 'noexcept' as per LWG 2280.
(rbegin(T (&)[N]), rend(T (&)[N]), rbegin(initializer_list<T>))
(rend(initializer_list<T>)): Add 'noexcept' as per LWG 3537.
* testsuite/24_iterators/range_access.cc: Check for expected
noexcept specifiers. Check result types of generic std::begin
and std::end overloads.
* testsuite/24_iterators/range_access_cpp14.cc: Check for
expected noexcept specifiers.
* testsuite/24_iterators/range_access_cpp17.cc: Likewise.
2021-04-19 Jonathan Wakely <jwakely@redhat.com>
* testsuite/27_io/filesystem/path/generic/94242.cc: Do not test
with minimal allocator when using COW strings.
* testsuite/experimental/filesystem/path/generic/generic_string.cc:
Likewise.
2021-04-19 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-04-07 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/99805
* src/c++17/fs_path.cc (path::_M_split_cmpts): Do not call
non-const member on _M_pathname, to avoid copy-on-write.
* testsuite/27_io/filesystem/path/decompose/parent_path.cc:
Check construction from strings that might be shared.
2021-04-19 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-10-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/97362
* doc/html/manual/source_code_style.html: Regenerate.
* doc/xml/manual/appendix_contributing.xml: Add __deref to
BADNAMES.
* include/debug/functions.h (_Irreflexive_checker::__deref):
Rename to __ref.
2021-04-19 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-10-26 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/97570
* libsupc++/new_opa.cc: Declare size_t in global namespace.
Remove unused header.
2021-04-19 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-12-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/98319
* include/experimental/memory_resource: Add system_header pragma
and only define contents for C++14 and later.
* include/experimental/random: Only define contents for C++14
and later.
* include/experimental/source_location: Likewise.
* include/experimental/utility: Likewise.
* testsuite/experimental/feat-lib-fund.cc: Include all LFTS
headers that are present. Allow test to run for all modes.
2021-04-19 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-02-12 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/99077
* src/c++11/cxx11-ios_failure.cc (__ios_failure(const char*, int)):
Change int parameter to error_code, to match std::ios_failure.
(__throw_ios_failure(const char*, int)): Construct error_code
from int parameter.
2021-04-19 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-02-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/99058
* doc/xml/manual/status_cxx2011.xml: Document when support
became stable.
* doc/xml/manual/status_cxx2014.xml: Likewise.
* doc/xml/manual/status_cxx2017.xml: Likewise.
* doc/html/manual/status.html: Regenerate.
2021-04-09 Jonathan Wakely <jwakely@redhat.com>
PR bootstrap/99983
* include/bits/hashtable.h (_Hashtable): Fix noexcept-specifier
on definition to match the one on the declaration.
2021-04-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-04-09 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/99985
* include/bits/hashtable.h (_Hashtable::_S_nothrow_move()): Fix
to be a valid constexpr function in C++11.
* testsuite/23_containers/unordered_set/cons/99985.cc: New test.
2021-04-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-04-09 Jonathan Wakely <jwakely@redhat.com>
* include/bits/fs_fwd.h: Fix doxygen group command.
* include/bits/regex.h: Likewise.
* include/bits/streambuf_iterator.h: Likewise.
* include/bits/unique_lock.h: Likewise.
* include/std/chrono: Likewise.
* include/std/thread: Likewise.
* include/tr1/complex: Likewise.
2021-04-08 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-04-06 Jonathan Wakely <jwakely@redhat.com>
* include/bits/alloc_traits.h: Use markdown for code font.
* include/bits/basic_string.h: Fix @param names.
* include/bits/regex.h: Fix duplicate @retval names, and rename.
* include/ext/pb_ds/detail/priority_queue_base_dispatch.hpp: Add
group open to match existing group close.
* include/ext/pb_ds/priority_queue.hpp: Add blank line before group
open.
2021-04-08 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-04-08 Jonathan Wakely <jwakely@redhat.com>
* include/bits/random.h: Fix doxygen group commands.
* include/bits/regex_constants.h: Likewise.
* include/tr1/random.h: Likewise.
2021-04-08 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-04-06 Jonathan Wakely <jwakely@redhat.com>
* include/bits/atomic_base.h: Fix doxygen group close.
* include/bits/basic_ios.h: Likewise.
* include/bits/forward_list.h: Likewise.
* include/bits/fs_dir.h: Likewise.
* include/bits/fs_ops.h: Likewise.
* include/bits/fs_path.h: Likewise.
* include/bits/functional_hash.h: Likewise.
* include/bits/gslice.h: Likewise.
* include/bits/gslice_array.h: Likewise.
* include/bits/hashtable_policy.h: Likewise.
* include/bits/indirect_array.h: Likewise.
* include/bits/locale_classes.h: Likewise.
* include/bits/locale_facets.h: Likewise.
* include/bits/locale_facets_nonio.h: Likewise.
* include/bits/mask_array.h: Likewise.
* include/bits/refwrap.h: Likewise.
* include/bits/regex.h: Likewise.
* include/bits/regex_automaton.h: Likewise.
* include/bits/regex_compiler.h: Likewise.
* include/bits/regex_constants.h: Likewise.
* include/bits/regex_error.h: Likewise.
* include/bits/regex_executor.h: Likewise.
* include/bits/regex_scanner.h: Likewise.
* include/bits/shared_ptr.h: Likewise.
* include/bits/shared_ptr_atomic.h: Likewise.
* include/bits/slice_array.h: Likewise.
* include/bits/specfun.h: Likewise.
* include/bits/std_function.h: Likewise.
* include/bits/std_mutex.h: Likewise.
* include/bits/stl_deque.h: Likewise.
* include/bits/stl_iterator.h: Likewise.
* include/bits/stl_iterator_base_types.h: Likewise.
* include/bits/stl_map.h: Likewise.
* include/bits/stl_multimap.h: Likewise.
* include/bits/stl_multiset.h: Likewise.
* include/bits/stl_numeric.h: Likewise.
* include/bits/stl_set.h: Likewise.
* include/bits/stream_iterator.h: Likewise.
* include/bits/streambuf_iterator.h: Likewise.
* include/bits/unique_ptr.h: Likewise.
* include/bits/unordered_map.h: Likewise.
* include/bits/unordered_set.h: Likewise.
* include/decimal/decimal: Likewise.
* include/experimental/any: Likewise.
* include/experimental/array: Likewise.
* include/experimental/bits/fs_dir.h: Likewise.
* include/experimental/bits/fs_fwd.h: Likewise.
* include/experimental/bits/fs_ops.h: Likewise.
* include/experimental/bits/fs_path.h: Likewise.
* include/experimental/buffer: Likewise.
* include/experimental/internet: Likewise.
* include/experimental/optional: Likewise.
* include/experimental/propagate_const: Likewise.
* include/experimental/socket: Likewise.
* include/ext/pb_ds/assoc_container.hpp: Likewise.
* include/ext/pb_ds/detail/priority_queue_base_dispatch.hpp:
Likewise.
* include/ext/pb_ds/detail/tree_policy/node_metadata_selector.hpp: Likewise.
* include/ext/pb_ds/detail/trie_policy/node_metadata_selector.hpp: Likewise.
* include/ext/pb_ds/detail/types_traits.hpp: Likewise.
* include/ext/pb_ds/exception.hpp: Likewise.
* include/ext/pb_ds/priority_queue.hpp: Likewise.
* include/ext/pb_ds/tag_and_trait.hpp: Likewise.
* include/ext/random: Likewise.
* include/std/any: Likewise.
* include/std/atomic: Likewise.
* include/std/bitset: Likewise.
* include/std/complex: Likewise.
* include/std/condition_variable: Likewise.
* include/std/fstream: Likewise.
* include/std/future: Likewise.
* include/std/istream: Likewise.
* include/std/iostream: Likewise.
* include/std/mutex: Likewise.
* include/std/numeric: Likewise.
* include/std/ostream: Likewise.
* include/std/ratio: Likewise.
* include/std/shared_mutex: Likewise.
* include/std/stdexcept: Likewise.
* include/std/streambuf: Likewise.
* include/std/valarray: Likewise.
* include/std/variant: Likewise.
* include/tr1/cmath: Likewise.
* include/tr1/regex: Likewise.
* include/tr2/dynamic_bitset: Likewise.
* libsupc++/atomic_lockfree_defines.h: Likewise.
* libsupc++/exception: Likewise.
* libsupc++/exception.h: Likewise.
* libsupc++/exception_ptr.h: Likewise.
* libsupc++/nested_exception.h: Likewise.
2021-04-08 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-04-08 Jonathan Wakely <jwakely@redhat.com>
* include/std/string_view: Adjust Doxygen @file comment.
2021-04-08 François Dumont <fdumont@gcc.gnu.org>
Backported from master:
2020-07-29 François Dumont <fdumont@gcc.gnu.org>
PR libstdc++/96029
* include/bits/hashtable.h
(_Hashtable(_Hashtable&& __ht, __node_alloc_type&& __a, true_type)):
Add noexcept qualification.
(_Hashtable(_Hashtable&&)): Fix noexcept qualification.
(_Hashtable(_Hashtable&&, const allocator_type&)): Add noexcept
qualification.
* include/bits/unordered_map.h
(unordered_map(unordered_map&&, const allocator_type&)): Add noexcept
qualification.
(unordered_multimap(unordered_multimap&&, const allocator_type&)):
Likewise.
* include/bits/unordered_set.h
(unordered_set(unordered_set&&, const allocator_type&)): Likewise.
(unordered_multiset(unordered_multiset&&, const allocator_type&)):
Likewise.
* include/debug/unordered_map
(unordered_map(unordered_map&&, const allocator_type&)): Likewise.
(unordered_multimap(unordered_multimap&&, const allocator_type&)):
Likewise.
* include/debug/unordered_set
(unordered_set(unordered_set&&, const allocator_type&)): Likewise.
(unordered_multiset(unordered_multiset&&, const allocator_type&)):
Likewise.
* testsuite/23_containers/unordered_map/allocator/default_init.cc:
New test.
* testsuite/23_containers/unordered_map/cons/noexcept_default_construct.cc:
New test.
* testsuite/23_containers/unordered_map/cons/noexcept_move_construct.cc:
New test.
* testsuite/23_containers/unordered_map/modifiers/move_assign.cc:
New test.
* testsuite/23_containers/unordered_multimap/cons/noexcept_default_construct.cc:
New test.
* testsuite/23_containers/unordered_multimap/cons/noexcept_move_construct.cc:
New test.
* testsuite/23_containers/unordered_multiset/cons/noexcept_default_construct.cc:
New test.
* testsuite/23_containers/unordered_multiset/cons/noexcept_move_construct.cc:
New test.
* testsuite/23_containers/unordered_set/allocator/default_init.cc:
New test.
* testsuite/23_containers/unordered_set/cons/noexcept_default_construct.cc:
New test.
* testsuite/23_containers/unordered_set/cons/noexcept_move_construct.cc:
New test.
2021-04-08 François Dumont <fdumont@gcc.gnu.org>
Backported from master:
2020-07-08 François Dumont <fdumont@gcc.gnu.org>
PR libstdc++/96029
* include/bits/stl_tree.h (_Rb_tree_impl(_Rb_tree_impl&&)): Add noexcept
qualification based only on _Compare one.
* testsuite/23_containers/map/cons/noexcept_move_construct.cc: Add
static asserts.
* testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
Likewise.
* testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
Likewise.
* testsuite/23_containers/set/cons/noexcept_move_construct.cc: Likewise.
2021-01-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2021-01-13 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/98605
* include/std/mutex (call_once): Use NOLINT to suppress clang
analyzer warnings.
2021-01-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-09-24 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/configure.xml: Correct name of option.
* doc/html/*: Regenerate.
2021-01-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-12-02 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py (StdExpPathPrinter): Store the
name of the type and pass it to the iterator.
(StdPathPrinter): Likewise.
* testsuite/libstdc++-prettyprinters/filesystem-ts.cc: New test.
2021-01-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-12-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/96083
* include/ext/throw_allocator.h: Use __has_builtin to check for
__builtin_sprintf support, and use std::sprintf if necessary.
2021-01-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-12-02 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/65480
PR libstdc++/68735
* python/libstdcxx/v6/printers.py (function_pointer_to_name):
New helper function to get the name of a function from its
address.
(StdExpAnyPrinter.__init__): Use it.
2021-01-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-08-10 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__):
Use gdb.Type.strip_typedefs().
* testsuite/libstdc++-prettyprinters/compat.cc: Use a typedef in
the emulated old type.
2021-01-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2019-05-14 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/printers.py (UniquePointerPrinter.__init__): Do
not assume field called _M_head_impl is the first tuple element.
* testsuite/libstdc++-prettyprinters/compat.cc: Make tuple
implementation more accurate.
* testsuite/libstdc++-prettyprinters/cxx11.cc: Check unique_ptr with
empty pointer type and non-empty deleter.
2021-01-11 François Dumont <fdumont@gcc.gnu.org>
Backported from master:
2019-12-20 François Dumont <fdumont@gcc.gnu.org>
* python/libstdcxx/v6/printers.py (lookup_node_type): Remove redundant
call to lookup_node_type.
* testsuite/libstdc++-prettyprinters/80276.cc: Define
_GLIBCXX_USE_CXX11_ABI to 0.
* testsuite/libstdc++-prettyprinters/91997.cc: Use regexp-test to check
'a' content.
2021-01-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2019-11-29 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91997
* python/libstdcxx/v6/printers.py (find_type): Fail more gracefully
if we run out of base classes to look at.
(llokup_templ_spec, lookup_node_type): New utilities to find node
types for node-based containers.
(StdListPrinter.children, NodeIteratorPrinter.__init__)
(NodeIteratorPrinter.to_string, StdSlistPrinter.children)
(StdSlistIteratorPrinter.to_string, StdRbtreeIteratorPrinter.__init__)
(StdMapPrinter.children, StdSetPrinter.children)
(StdForwardListPrinter.children): Use lookup_node_type instead of
find_type.
(StdListIteratorPrinter.__init__, StdFwdListIteratorPrinter.__init__):
Pass name of node type to NodeIteratorPrinter constructor.
(Tr1HashtableIterator.__init__): Rename argument.
(StdHashtableIterator.__init__): Likewise. Use lookup_templ_spec
instead of find_type.
* testsuite/libstdc++-prettyprinters/59161.cc: Remove workaround for
_Node typedef not being present in debuginfo.
* testsuite/libstdc++-prettyprinters/91997.cc: New test.
2021-01-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-07-31 Jonathan Wakely <jwakely@redhat.com>
* testsuite/experimental/filesystem/filesystem_error/cons.cc:
Remove -std=gnu++17 option.
2020-11-26 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-11-26 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/98001
* testsuite/ext/stdio_filebuf/char/79820.cc: Do not pass invalid
FILE* to constructor.
2020-11-17 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-05-04 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/94936
* src/c++17/memory_resource.cc (synchronized_pool_resource::_TPools):
Add comment about single-threaded behaviour.
(synchronized_pool_resource::_TPools::move_nonempty_chunks()): Hoist
class member access out of loop.
(synchronized_pool_resource::synchronized_pool_resource())
(synchronized_pool_resource::~synchronized_pool_resource())
(synchronized_pool_resource::release()): Check __gthread_active_p
before creating and/or deleting the thread-specific data key.
(synchronized_pool_resource::_M_thread_specific_pools()): Adjust
assertions.
(synchronized_pool_resource::do_allocate(size_t, size_t)): Add fast
path for single-threaded case.
(synchronized_pool_resource::do_deallocate(void*, size_t, size_t)):
Likewise. Return if unable to find a pool that owns the allocation.
* testsuite/20_util/synchronized_pool_resource/allocate_single.cc:
New test.
* testsuite/20_util/synchronized_pool_resource/cons_single.cc: New
test.
* testsuite/20_util/synchronized_pool_resource/release_single.cc: New
test.
2020-11-13 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-11-13 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/97798
* include/ext/numeric_traits.h (__glibcxx_signed)
(__glibcxx_digits, __glibcxx_min, __glibcxx_max): Remove
macros.
(__is_integer_nonstrict::__width): Define new constant.
(__numeric_traits_integer): Define constants in terms of each
other and __is_integer_nonstrict::__width, rather than the
removed macros.
(_GLIBCXX_INT_N_TRAITS): Macro to define explicit
specializations for non-standard integer types.
2020-11-13 Patrick Palka <ppalka@redhat.com>
Backported from master:
2020-09-22 Patrick Palka <ppalka@redhat.com>
* include/bits/stl_algo.h (__sample): Exit early when the
input range is empty.
* testsuite/25_algorithms/sample/3.cc: New test.
2020-11-09 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-11-05 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/97731
* src/filesystem/dir.cc (recursive_directory_iterator): Call the
right overload of _Dir::advance.
* testsuite/experimental/filesystem/iterators/97731.cc: New test.
2020-10-19 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-09-21 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/97132
* include/std/memory (assume_aligned): Do not use
__builtin_assume_aligned during constant evaluation.
* testsuite/20_util/assume_aligned/1.cc: Improve test.
* testsuite/20_util/assume_aligned/97132.cc: New test.
2020-10-08 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-10-07 Jonathan Wakely <jwakely@redhat.com>
* include/bits/random.h (seed_seq(initializer_list<T>)): Rename
parameter to use reserved name.
* testsuite/17_intro/names.cc: Check "il".
2020-09-22 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-09-22 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/97167
* src/c++17/fs_path.cc (path::_Parser::root_path()): Check
for empty string before inspecting the first character.
* testsuite/27_io/filesystem/path/append/source.cc: Append
empty string_view to path.
2020-09-22 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-09-22 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/96803
* include/std/tuple
(_Tuple_impl(allocator_arg_t, Alloc, const _Tuple_impl<U...>&)):
Use correct value category in __use_alloc call.
* testsuite/20_util/tuple/cons/96803.cc: Check with constructors
that require correct value category to be used.
2020-09-22 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-08-26 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/96803
* include/std/tuple
(_Tuple_impl(allocator_arg_t, Alloc, const _Tuple_impl<U...>&)):
Replace parameter pack with a type parameter and a pack and pass
the first type to __use_alloc.
* testsuite/20_util/tuple/cons/96803.cc: New test.
2020-09-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-08-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/92978
* include/std/numeric (__abs_integral): Replace with ...
(__detail::__absu): New function template that returns an
unsigned type, guaranteeing it can represent the most
negative signed value.
(__detail::__gcd, __detail::__lcm): Require arguments to
be unsigned and therefore already non-negative.
(gcd, lcm): Convert arguments to absolute value as unsigned
type before calling __detail::__gcd or __detail::__lcm.
* include/experimental/numeric (gcd, lcm): Likewise.
* testsuite/26_numerics/gcd/gcd_neg.cc: Adjust expected
errors.
* testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
* testsuite/26_numerics/gcd/92978.cc: New test.
* testsuite/26_numerics/lcm/92978.cc: New test.
* testsuite/experimental/numeric/92978.cc: New test.
2020-09-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-08-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/94681
* src/c++17/fs_ops.cc (read_symlink): Use posix::lstat instead
of calling ::lstat directly.
* src/filesystem/ops.cc (read_symlink): Likewise.
2020-09-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-08-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/94681
* acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Do not depend on
$enable_libstdcxx_filesystem_ts.
* configure: Regenerate.
2020-09-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-09-20 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/97101
* include/std/functional (bind_front): Fix order of parameters
in is_nothrow_constructible_v specialization.
* testsuite/20_util/function_objects/bind_front/97101.cc: New test.
2020-09-21 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-09-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/94160
* src/c++17/memory_resource.cc (munge_options): Round
max_blocks_per_chunk to a multiple of four.
(__pool_resource::_M_alloc_pools()): Simplify slightly.
* testsuite/20_util/unsynchronized_pool_resource/allocate.cc:
Check that valid pointers are returned when small values are
used for max_blocks_per_chunk.
2020-09-11 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-03-18 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/94033
* include/std/type_traits (__is_nt_default_constructible_atom): Remove.
(__is_nt_default_constructible_impl): Remove.
(__is_nothrow_default_constructible_impl): Remove.
(__is_nt_constructible_impl): Add bool template parameter. Adjust
partial specializations.
(__is_nothrow_constructible_impl): Replace class template with alias
template.
(is_nothrow_default_constructible): Derive from alias template
__is_nothrow_constructible_impl instead of
__is_nothrow_default_constructible_impl.
* testsuite/20_util/is_nothrow_constructible/94003.cc: New test.
* testsuite/20_util/is_nothrow_default_constructible/96999.cc: New file.
2020-09-03 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-04-30 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/89510
* include/bits/alloc_traits.h (allocator_traits::_S_construct)
(allocator_traits::_S_destroy)
(allocator_traits<allocator<T>>::construct): Use traits in
noexcept-specifiers.
* include/bits/allocator.h (allocator<void>::construct)
(allocator<void>::destroy): Likewise.
* include/ext/malloc_allocator.h (malloc_allocator::construct)
(malloc_allocator::destroy): Likewise.
* include/ext/new_allocator.h (new_allocator::construct)
(new_allocator::destroy): Likewise.
* testsuite/20_util/allocator/89510.cc: New test.
* testsuite/ext/malloc_allocator/89510.cc: New test.
* testsuite/ext/new_allocator/89510.cc: New test.
2020-08-26 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-08-26 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/71960
* include/experimental/string_view (basic_string_view):
Enable debug assertions.
* include/std/string_view (basic_string_view):
Likewise.
2020-08-26 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-08-24 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/96766
* include/std/variant (_Variant_storage): Replace implicit
conversions from size_t to __index_type with explicit casts.
2020-08-19 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-08-19 Jonathan Wakely <jwakely@redhat.com>
* include/bits/c++config (_GLIBCXX_DEPRECATED_SUGGEST): New
macro for "use 'foo' instead" message in deprecated warnings.
* include/bits/ios_base.h (io_state, open_mode, seek_dir)
(streampos, streamoff): Use _GLIBCXX_DEPRECATED_SUGGEST.
* include/std/streambuf (stossc): Replace C++11 attribute
with _GLIBCXX_DEPRECATED_SUGGEST.
* testsuite/27_io/types/1.cc: Check for deprecated warnings.
Also check for io_state, open_mode and seek_dir typedefs.
2020-08-11 Andrea Corallo <andrea.corallo@arm.com>
Backported from master:
2020-04-02 Andrea Corallo <andrea.corallo@arm.com>
* testsuite/experimental/net/execution_context/use_service.cc:
Require pthread and gthreads.
2020-08-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/89760
* testsuite/experimental/net/execution_context/make_service.cc:
Add dg-require-gthreads.
* testsuite/experimental/net/executor/1.cc: Likewise.
* testsuite/experimental/net/headers.cc: Likewise.
* testsuite/experimental/net/internet/address/v4/comparisons.cc:
Likewise.
* testsuite/experimental/net/internet/address/v4/cons.cc:
Likewise.
* testsuite/experimental/net/internet/address/v4/creation.cc:
Likewise.
* testsuite/experimental/net/internet/address/v4/members.cc:
Likewise.
* testsuite/experimental/net/internet/resolver/base.cc:
Likewise.
* testsuite/experimental/net/internet/resolver/ops/lookup.cc:
Likewise.
* testsuite/experimental/net/internet/resolver/ops/reverse.cc:
Likewise.
* testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
* testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
* testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
2020-08-10 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-08-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/95749
* src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
(stat_type): Change to __stat64.
(stat): Use _wstat64.
2020-08-07 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-03-21 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/93245
* include/experimental/bits/fs_path.h (path::generic_string<C,T,A>()):
Return the generic format path, not the native one.
* testsuite/experimental/filesystem/path/generic/generic_string.cc:
Improve test coverage.
2020-08-07 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-03-21 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/94242
* include/bits/fs_path.h (path::_S_str_convert): Replace first
parameter with basic_string_view so that strings with different
allocators can be accepted.
(path::generic_string<C,T,A>()): Use basic_string object that uses the
right allocator type.
* testsuite/27_io/filesystem/path/generic/94242.cc: New test.
* testsuite/27_io/filesystem/path/generic/generic_string.cc: Improve
test coverage.
2020-08-06 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-08-06 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/96484
* src/c++17/fs_ops.cc (fs::read_symlink): Return an error
immediately for non-symlinks.
* src/filesystem/ops.cc (fs::read_symlink): Likewise.
2020-07-02 Ville Voutilainen <ville.voutilainen@gmail.com>
Backported from master:
2020-07-02 Ville Voutilainen <ville.voutilainen@gmail.com>
PR libstdc++/91807
* include/std/variant
(_Copy_assign_base::operator=(const _Copy_assign_base&):
Do the move-assignment from a temporary so that the temporary
is constructed with an explicit index.
* testsuite/20_util/variant/91807.cc: New.
2020-07-01 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-07-01 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/94627
* include/bits/regex.h (operator==, operator!=): Remove noexcept
equality comparisons for match_results.
* testsuite/28_regex/match_results/94627.cc: New test.
2020-06-24 Jonathan Wakely <jwakely@redhat.com>
Backported from master:
2020-06-24 Jonathan Wakely <jwakely@redhat.com>
* include/std/charconv (__from_chars_binary): Ignore leading zeros.
* testsuite/20_util/from_chars/1.cc: Check "0x1" for all bases,
not just 10 and 16.
* testsuite/20_util/from_chars/3.cc: New test.
2020-05-12 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2020-05-04 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/94906
* src/c++17/memory_resource.cc
(monotonic_buffer_resource::_Chunk::release): Use size_t for shift
operands.
2020-05-07 Eric Botcazou <ebotcazou@adacore.com>
* config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
2020-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
* config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt:
Likewise.
* config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
* config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt:
Likewise.
* config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
* config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
Likewise.
* config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
* config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
Likewise.
2020-05-06 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/abi.xml (abi.versioning.history): Document library
versions for GCC 9.[123] and 10.1 releases.
* doc/html/*: Regenerate.
2020-05-06 Jakub Jelinek <jakub@redhat.com>
* config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
* config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2020-05-04 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/faq.xml: Use working link for SGI STL FAQ.
* doc/html/*: Regenerate.
2020-04-24 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2020-03-18 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/94203
* include/experimental/executor (executor::executor(Executor)): Call
make_shared directly instead of _M_create. Create _Tgt1 object.
(executor::executor(allocator_arg_t, const ProtoAlloc&, Executor)):
Call allocate_shared directly instead of _M_create. Create _Tgt2
object.
(executor::target_type): Add cast needed for new _Tgt interface.
(executor::target): Define when RTTI is disabled. Use _Tgt::_M_func.
(executor::_Tgt): Define the same interface whether RTTI is enabled or
not.
(executor::_Tgt::target_type, executor::_Tgt::target): Do not use
std::type_info in the interface.
(executor::_Tgt::_M_func): Add data member.
(executor::_TgtImpl): Replace with _Tgt1 and _Tgt2 class templates.
(executor::_Tgt1::_S_func): Define function to access target without
depending on RTTI.
(executor::_M_create): Remove.
(operator==, operator!=): Simplify comparisons for executor.
* include/experimental/socket (is_error_code_enum<socket_errc>):
Define specialization before use.
Backport from mainline
2020-04-24 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/executor (service_already_exists): Make default
constructor public (LWG 3414).
* testsuite/experimental/net/execution_context/make_service.cc: Check
the service_already_exists can be default constructed.
2020-04-23 Thomas Rodgers <rodgert@appliantology.com>
Backport from mainline
2020-04-23 Thomas Rodgers <rodgert@appliantology.com>
* include/experimental/net/executor (system_context): Mark
system_context::system_context() = delete.
* testsuite/experimental/net/executor/1.cc: Add new
test to check system_context is not default constructible.
2020-04-23 Thomas Rodgers <trodgers@redhat.com>
Backport from mainline
2020-04-20 Thomas Rodgers <trodgers@redhat.com>
* testsuite/lib/libstdc++.exp: Add additional_flags=
-DTBB_SUPRESS_DEPRECATED_MESSAGES=1 to suppress warnings when
compiling with a newer Thread Building Blocks.
2020-04-23 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2020-04-22 Jonathan Wakely <jwakely@redhat.com>
* include/std/execution (__cpp_lib_execution): Define to indicate
support for P0024R2 and P1001R2.
* include/std/version (__cpp_lib_execution): Define.
* testsuite/25_algorithms/pstl/feature_test.cc: Only test macro
defined by <algorithm>, move other tests to new tests ...
* testsuite/25_algorithms/pstl/feature_test-2.cc: New test.
* testsuite/25_algorithms/pstl/feature_test-3.cc: New test.
* testsuite/25_algorithms/pstl/feature_test-4.cc: New test.
* testsuite/25_algorithms/pstl/feature_test-5.cc: New test.
* include/bits/stl_iterator.h (__cpp_lib_array_constexpr): Update
value to indicate P0858R0 support.
* include/std/string_view (__cpp_lib_string_view): Likewise.
* include/std/version (__cpp_lib_array_constexpr)
(__cpp_lib_string_view): Likewise.
* testsuite/23_containers/array/element_access/constexpr_c++17.cc:
New test.
* testsuite/23_containers/array/requirements/constexpr_iter.cc: Test
in C++17 mode and check feature test macro.
Backport from mainline
2020-04-22 Jonathan Wakely <jwakely@redhat.com>
* include/bits/ptr_traits.h (__cpp_lib_constexpr_memory): Define to
indicate P1006R1 support.
(__cpp_lib_to_address): Define to indicate P0653R2 support.
* include/std/memory (__cpp_lib_assume_aligned): Define to indicate
P1007R3 support.
* include/std/memory_resource (__cpp_lib_polymorphic_allocator):
Define to indicate P0339R6 support.
* include/std/string_view (__cpp_lib_starts_ends_with): Define to
indicate P0457R2 support.
* include/std/type_traits (__cpp_lib_is_nothrow_convertible): Define
to indicate P0758R1 support.
(__cpp_lib_remove_cvref): Define to indicate P0550R2 support.
(__cpp_lib_type_identity): Define to indicate P0887R1 support.
* include/std/version (__cpp_lib_is_nothrow_convertible)
(__cpp_lib_remove_cvref, __cpp_lib_type_identity)
(__cpp_lib_assume_aligned, __cpp_lib_constexpr_memory)
(__cpp_lib_polymorphic_allocator, __cpp_lib_starts_ends_with)
(__cpp_lib_to_address): Define.
* testsuite/20_util/to_address/1_neg.cc: Adjust dg-error line number.
* include/bits/stl_map.h (__cpp_lib_map_insertion): Add comment to
non-standard macro.
* include/bits/unordered_map.h (__cpp_lib_unordered_map_insertion):
Likewise.
* include/std/version (__cpp_lib_map_insertion)
(__cpp_lib_unordered_map_insertion): Likewise.
* include/std/bit (__cpp_lib_int_pow2): Define to indicate P0556R3
support.
* include/std/version (__cpp_lib_int_pow2): Likewise.
Backport from mainline
2019-12-10 Jonathan Wakely <jwakely@redhat.com>
* include/std/complex (__cpp_lib_constexpr_complex): Define.
* include/std/version (__cpp_lib_constexpr_complex): Likewise.
* testsuite/26_numerics/complex/1.cc: New test.
* testsuite/26_numerics/complex/2.cc: New test.
Backport from mainline
2019-11-05 Jonathan Wakely <jwakely@redhat.com>
* include/std/version [!_GLIBCXX_HOSTED]: Do not define feature test
macros for features that are only present in hosted builds.
Backport from mainline
2019-10-30 Jonathan Wakely <jwakely@redhat.com>
* include/std/bit (__cpp_lib_bitops): Define.
* include/std/version (__cpp_lib_bitops): Define.
* testsuite/26_numerics/bit/header.cc: New test.
* testsuite/26_numerics/bit/header-2.cc: New test.
Backport from mainline
2020-02-19 Jonathan Wakely <jwakely@redhat.com>
* 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.
2020-04-22 Jonathan Wakely <jwakely@redhat.com>
* doc/Makefile.am (xml_sources_manual): Add missing XML files.
* doc/Makefile.in: Regenerate.
* doc/xml/manual/status_cxx1998.xml: Refer to "this section" instead
of "this page".
* doc/xml/manual/status_cxx2011.xml: Formatting and other corrections
to the C++11 status table.
* doc/xml/manual/status_cxx2014.xml: Replace list of C++14 feature
proposals with table matching contents of the C++14 standard.
* doc/html/*: Regenerate.
Backport from mainline
2020-02-15 Jonathan Wakely <jwakely@redhat.com>
* include/bits/erase_if.h (__cpp_lib_erase_if): Define to 202002L.
* include/std/deque (__cpp_lib_erase_if): Likewise.
* include/std/forward_list (__cpp_lib_erase_if): Likewise.
* include/std/list (__cpp_lib_erase_if): Likewise.
* include/std/string (__cpp_lib_erase_if): Likewise.
* include/std/vector (__cpp_lib_erase_if): Likewise.
* include/std/version (__cpp_lib_erase_if): Likewise.
* testsuite/21_strings/basic_string/erasure.cc: Test for new value.
* testsuite/23_containers/deque/erasure.cc: Likewise.
* 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.
2020-04-21 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2017.xml: Fix name of feature test macro.
* doc/html/*: Regenerate.
2020-04-03 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2020-04-03 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/93960
* include/bits/ptr_traits.h (__to_address): Add special case for debug
iterators, to avoid dereferenceable check.
* testsuite/20_util/to_address/1_neg.cc: Adjust dg-error line number.
* testsuite/20_util/to_address/debug.cc: New test.
2020-03-16 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2020-03-16 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/94199
* include/experimental/executor (service_already_exists): Add default
constructor. Declare make_service to be a friend.
* testsuite/experimental/net/execution_context/make_service.cc: New
test.
2020-03-12 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2020-03-09 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/94063
* src/c++17/fs_path.cc (path::operator+=(const path&)): Add kluge to
handle concatenations that change the type of the first component.
(path::operator+=(basic_string_view<value_type>)): Likewise.
* testsuite/27_io/filesystem/path/concat/94063.cc: New test.
Backport from mainline
2020-02-04 Jonathan Wakely <jwakely@redhat.com>
* include/std/functional (_GLIBCXX_NOT_FN_CALL_OP): Un-define after
use.
Backport from mainline
2020-03-12 Jonathan Wakely <jwakely@redhat.com>
* testsuite/tr1/8_c_compatibility/cstdlib/functions.cc: Do not pass
a null pointer to functions with nonnull(1) attribute.
Backport from mainline
2020-02-28 Jonathan Wakely <jwakely@redhat.com>
* testsuite/27_io/filesystem/operations/last_write_time.cc: Fixes for
filesystems that silently truncate timestamps.
* testsuite/experimental/filesystem/operations/last_write_time.cc:
Likewise.
Backport from mainline
2020-01-13 Jonathan Wakely <jwakely@redhat.com>
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.
2020-03-12 Release Manager
* GCC 9.3.0 released.
2020-03-06 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2020-03-06 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/94069
* include/std/shared_mutex [!PTHREAD_RWLOCK_INITIALIZER]
(__shared_mutex_pthread::__shared_mutex_pthread()): Remove incorrect
second argument to __glibcxx_rwlock_init.
* testsuite/30_threads/shared_timed_mutex/94069.cc: New test.
2020-03-05 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2020-03-05 Jonathan Wakely <jwakely@redhat.com>
* testsuite/27_io/filesystem/operations/all.cc: Mark unused variable.
* testsuite/27_io/filesystem/operations/copy.cc: Fix typo.
* testsuite/experimental/filesystem/operations/copy.cc: Likewise.
* testsuite/27_io/filesystem/operations/file_size.cc: Use correct type
for return value, and in comparison.
* testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
Backport from mainline
2019-09-27 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91910
* src/c++11/debug.cc (_Safe_iterator_base::_M_detach()): Load pointer
atomically and lock the mutex before accessing the sequence.
(_Safe_local_iterator_base::_M_detach()): Likewise.
(_Safe_iterator_base::_M_reset()): Clear _M_sequence atomically.
Backport from mainline
2019-06-17 Jonathan Wakely <jwakely@redhat.com>
* include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
Backport from mainline
2019-11-07 Jonathan Wakely <jwakely@redhat.com>
* include/bits/stl_algo.h (for_each_n): Handle negative count.
* testsuite/25_algorithms/for_each/for_each_n_debug.cc: New test.
Backport from mainline
2020-01-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/93470
* include/bits/refwrap.h (reference_wrapper::operator()): Restrict
static assertion to object types.
2020-01-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/93325
* acinclude.m4 (GLIBCXX_ENABLE_LIBSTDCXX_TIME): Use AC_SEARCH_LIBS for
clock_gettime instead of explicit glibc version check.
* configure: Regenerate.
2020-03-01 H.J. Lu <hongjiu.lu@intel.com>
* config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
2020-02-29 John David Anglin <danglin@gcc.gnu.org>
* testsuite/17_intro/headers/c++1998/charset.cc: Skip on *-*-hpux*.
* testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
* testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
* testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
* testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
2020-02-26 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2020-01-09 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/93205
* include/bits/random.h (operator>>): Check stream operation succeeds.
* include/bits/random.tcc (operator>>): Likewise.
(__extract_params): New function to fill a vector from a stream.
* testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error line.
Backport from mainline
2019-12-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/92886
* include/bits/ios_base.h (std::ios_base::trunc): Fix comment.
Backport from mainline
2020-01-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/93325
* acinclude.m4 (GLIBCXX_ENABLE_LIBSTDCXX_TIME): Use AC_SEARCH_LIBS for
clock_gettime instead of explicit glibc version check.
* configure: Regenerate.
Backport from mainline
2020-02-04 Jonathan Wakely <jwakely@redhat.com>
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.
Backport from mainline
2020-01-17 Jonathan Wakely <jwakely@redhat.com>
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.
Backport from mainline
2019-10-09 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/78552
* src/c++98/locale_init.cc (locale::classic()): Do not construct a new
locale object for every call.
(locale::_S_initialize_once()): Construct C locale here.
2020-01-24 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2020-01-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91947
* include/Makefile.am (${host_builddir}/largefile-config.h): Simplify
rule.
* include/Makefile.in: Regenerate.
Backport from mainline
2020-01-20 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/faq.xml: Fix grammar.
* doc/xml/manual/appendix_contributing.xml: Improve instructions.
* doc/xml/manual/spine.xml: Update copyright years.
* doc/html/*: Regenerate.
2020-01-19 Eric S. Raymond <esr@thyrsus.com>
Sandra Loosemore <sandra@codesourcery.com>
Partial backport from mainline:
2020-01-19 Eric S. Raymond <esr@thyrsus.com>
* doc/xml/faq.xml: Update for SVN -> Git transition.
* doc/xml/manual/appendix_contributing.xml: Likewise.
2020-01-13 Jonathan Wakely <jwakely@redhat.com>
Backport from mainlne
2019-10-04 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/81091
PR libstdc++/91947
* configure.ac: Use AC_SYS_LARGEFILE to enable 64-bit file APIs.
* config.h.in: Regenerate:
* configure: Regenerate:
* include/Makefile.am (${host_builddir}/largefile-config.h): New
target to generate config header for filesystem library.
(${host_builddir}/c++config.h): Rename macros for large file support.
* include/Makefile.in: Regenerate.
* src/c++17/fs_dir.cc: Include new config header.
* src/c++17/fs_ops.cc: Likewise.
(filesystem::file_size): Use uintmax_t for size.
* src/filesystem/dir.cc: Include new config header.
* src/filesystem/ops.cc: Likewise.
(experimental::filesystem::file_size): Use uintmax_t for size.
* doc/xml/manual/status_cxx1998.xml: Replace incorrect statement
about documenting mainline.
* doc/xml/manual/status_cxx2011.xml: Likewise.
* doc/xml/manual/status_cxx2014.xml: Likewise.
* doc/xml/manual/status_cxx2017.xml: Likewise.
* doc/xml/manual/status_cxx2020.xml: Likewise.
* doc/xml/manual/status_cxxtr1.xml: Likewise.
* doc/xml/manual/status_cxxtr24733.xml: Likewise.
* doc/html/*: Regenerate.
2020-01-09 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/93208
* config/abi/pre/gnu.ver: Add new exports.
* include/std/memory_resource (memory_resource::~memory_resource()):
Do not define inline.
(monotonic_buffer_resource::~monotonic_buffer_resource()): Likewise.
* src/c++17/memory_resource.cc (memory_resource::~memory_resource()):
Define.
(monotonic_buffer_resource::~monotonic_buffer_resource()): Define.
* testsuite/20_util/monotonic_buffer_resource/93208.cc: New test.
2020-01-08 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/93201
* src/c++17/fs_ops.cc (remove_all(const path&, error_code&)): Check
result of recursive call before incrementing iterator.
* src/filesystem/ops.cc (remove_all(const path&, error_code&)):
Likewise.
* testsuite/27_io/filesystem/operations/remove_all.cc: Check errors
are reported correctly.
* testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
2019-12-11 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-11-25 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91786
* include/bits/fs_path.h (filesystem_error): Move definition before
the use in u8path.
2019-12-10 Thomas Rodgers <trodgers@redhat.com>
Backport from mainline
2019-12-10 Thomas Rodgers <trodgers@redhat.com>
* include/pstl/glue_numeric_defs.h: Restore enable_if lost during
original import of pstl.
* include/pstl/glue_numeric_impl.h: Likewise.
2019-12-09 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-12-09 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/92853
* src/c++17/fs_path.cc (filesystem::path::operator+=(const path&)):
Do not process a trailing directory separator twice.
* testsuite/27_io/filesystem/path/concat/92853.cc: New test.
* testsuite/27_io/filesystem/path/concat/path.cc: Test more cases.
* testsuite/27_io/filesystem/path/concat/strings.cc: Test more cases.
2019-11-22 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-10-29 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/92267
* include/bits/stl_deque.h (_Deque_iterator(const _Deque_iterator&)):
Do not define as defaulted.
* testsuite/23_containers/deque/types/92267.cc: New test.
2019-10-28 John David Anglin <danglin@gcc.gnu.org>
* config/abi/post/hppa-linux-gnu/baseline_symbols.txt: Update.
2019-10-24 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-05-31 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90682
* libsupc++/eh_term_handler.cc: Include eh_term_handler.h to get
definition of _GLIBCXX_DEFAULT_TERM_HANDLER.
* libsupc++/eh_term_handler.h: New header defining
_GLIBCXX_DEFAULT_TERM_HANDLER.
* libsupc++/eh_terminate.cc: Include eh_term_handler.h.
(set_terminate): Restore default handler when argument is null.
(set_unexpected): Likewise.
* testsuite/18_support/set_terminate.cc: New test.
* testsuite/18_support/set_unexpected.cc: New test.
Backport from mainline
2019-05-01 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/61761
* include/std/complex (__complex_proj): Return parameter unchanged.
[_GLIBCXX_USE_C99_COMPLEX] (__complex_proj): Change overloads for
floating-point types to take std::complex arguments.
[_GLIBCXX_USE_C99_MATH_TR1] (__complex_proj): Add overloads for
floating-point types.
* testsuite/26_numerics/complex/proj.cc: New test.
Backport from mainline
2019-06-06 Jonathan Wakely <jwakely@redhat.com>
* testsuite/23_containers/deque/requirements/dr438/assign_neg.cc: Add
dg-prune-output for different C++98 diagnostic.
* testsuite/23_containers/deque/requirements/dr438/constructor_1_neg.cc:
Likewise.
* testsuite/23_containers/deque/requirements/dr438/constructor_2_neg.cc:
Likewise.
* testsuite/23_containers/deque/requirements/dr438/insert_neg.cc:
Likewise.
* testsuite/23_containers/list/requirements/dr438/assign_neg.cc:
Likewise.
* testsuite/23_containers/list/requirements/dr438/constructor_1_neg.cc:
Likewise.
* testsuite/23_containers/list/requirements/dr438/constructor_2_neg.cc:
Likewise.
* testsuite/23_containers/list/requirements/dr438/insert_neg.cc:
Likewise.
* testsuite/23_containers/vector/requirements/dr438/assign_neg.cc:
Likewise.
* testsuite/23_containers/vector/requirements/dr438/
constructor_1_neg.cc: Likewise.
* testsuite/23_containers/vector/requirements/dr438/
constructor_2_neg.cc: Likewise.
* testsuite/23_containers/vector/requirements/dr438/insert_neg.cc:
Likewise.
* testsuite/libstdc++-prettyprinters/compat.cc: Do not run for C++98.
Backport from mainline
2019-06-06 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
void.
* testsuite/experimental/names.cc: Do not run for C++98 mode. Do not
include Library Fundamentals or Networking headers in C++11 mode.
* testsuite/ext/char8_t/atomic-1.cc: Do not run for C++98 mode.
Backport from mainline
2019-05-14 Jonathan Wakely <jwakely@redhat.com>
* testsuite/util/testsuite_allocator.h (memory_resource)
(default_resource_mgr): Fix indentation.
Backport from mainline
2019-08-30 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/89164
* include/bits/stl_algobase.h (__copy_move): Give descriptive names
to template parameters.
* include/bits/stl_uninitialized.h (uninitialized_copy)
(uninitialized_fill, uninitialized_fill_n): Add static assertions to
diagnose invalid uses.
* testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
Adjust expected error.
* testsuite/20_util/specialized_algorithms/uninitialized_copy/89164.cc:
New test.
* testsuite/20_util/specialized_algorithms/uninitialized_copy_n/
89164.cc: New test.
* testsuite/20_util/specialized_algorithms/uninitialized_fill/89164.cc:
New test.
* testsuite/20_util/specialized_algorithms/uninitialized_fill_n/
89164.cc: New test.
* testsuite/23_containers/vector/cons/89164.cc: New test.
* testsuite/23_containers/vector/cons/89164_c++17.cc: New test.
Backport from mainline
2019-10-22 Jonathan Wakely <jwakely@redhat.com>
* include/bits/memoryfwd.h (uses_allocator): Do not declare for C++98.
* testsuite/17_intro/names.cc: Check uses_allocator in C++98.
Backport from mainline
2019-10-18 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/92143
* libsupc++/new_opa.cc (operator new) [__APPLE__]: Increase alignment
to at least sizeof(void*).
Backport from mainline
2019-06-06 Jonathan Wakely <jwakely@redhat.com>
* testsuite/23_containers/unordered_map/requirements/debug_container.cc:
Do not test allocator rebinding extension for C++2a.
* testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
dg-do directive for C++17 and C++2a.
Backport from mainline
2019-05-23 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/function_objects/invoke/1.cc: Add more tests.
Move C++17-specific tests to ...
* testsuite/20_util/function_objects/invoke/3.cc: New test.
* testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Change
"compile" test to "run".
Backport from mainline
2019-10-08 Jonathan Wakely <jwakely@redhat.com>
* doc/Makefile.am (doc-html-docbook-regenerate): New target.
(${docbook_outdir}/html): Do not create unused 'html/ext' directory.
* doc/Makefile.in: Regenerate.
* doc/xml/manual/documentation_hacking.xml: Document new target.
* doc/html/*: Regenerate.
* doc/xml/manual/allocator.xml: Use archived copy of CUJ article.
Backport from mainline
2019-05-31 Gerald Pfeifer <gerald@pfeifer.com>
* doc/xml/manual/allocator.xml: Move hoard.org back to http.
Backport from mainline
2019-08-15 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91456
* include/bits/std_function.h (__check_func_return_type): Remove.
(function::_Callable): Use std::__is_invocable_impl instead of
__check_func_return_type.
* include/std/type_traits (__is_invocable_impl): Add another defaulted
template parameter. Define a separate partial specialization for
INVOKE and INVOKE<void>. For INVOKE<R> replace is_convertible check
with a check that models delayed temporary materialization.
* testsuite/20_util/function/91456.cc: New test.
* testsuite/20_util/is_invocable/91456.cc: New test.
Backport from mainline
2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
* include/experimental/internet: Include netinet/in.h if we have
_GLIBCXX_HAVE_NETINET_IN_H defined.
Backport from mainline
2019-09-26 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/internet (operator==, operator<): Fix loop
condition to avoid reading past the end of the array.
Backport from mainline
2019-08-06 Jonathan Wakely <jwakely@redhat.com>
P1651R0 bind_front should not unwrap reference_wrapper
* include/std/functional (bind_front): Don't unwrap reference_wrapper.
* include/std/version (__cpp_lib_bind_front): Update value.
* testsuite/20_util/function_objects/bind_front/1.cc: Fix test for
feature test macro.
* testsuite/20_util/function_objects/bind_front/2.cc: New test.
Backport from mainline
2019-10-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/92059
* include/tr2/dynamic_bitset (__dynamic_bitset_base): Define all
special member functions as defaulted. Add noexcept to most members.
(__dynamic_bitset_base(size_t, unsigned long long, const _Alloc&)):
Mask off unwanted bits in the __val parameter. Avoid undefined left
shifts.
(__dynamic_bitset_base::_M_assign): Remove.
(__dynamic_bitset_base::_M_do_reset): Use std::fill.
(__dynamic_bitset_base::_M_are_all_aux): Avoid integer promotion when
block_type has lower rank than int.
(dynamic_bitset): Add noexcept to most members. Use injected-class-name
in return types and parameter types.
(dynamic_bitset::_M_Nb): Add default member initializer.
(dynamic_bitset(), dynamic_bitset(const dynamic_bitset&)): Define as
defaulted.
(dynamic_bitset(dynamic_bitset&&)): Clear source object after move.
(dynamic_bitset::operator=(const dynamic_bitset&)): Define as
defaulted.
(dynamic_bitset::operator=(dynamic_bitset&&)): Add noexcept-specifier.
Define without using swap, to propagate allocator correctly.
(dynamic_bitset(const char*, const _Alloc&)): Use strlen.
(dynamic_bitset::_M_do_sanitize, dynamic_bitset::_M_do_fill): Use
casts to avoid unwanted integer promotions.
(dynamic_bitset::_M_copy_from_ptr): Rearrange template parameters and
add default template arguments and default argument to simplify usage.
(dynamic_bitset::_M_copy_from_string): Adjust call to _M_copy_from_ptr.
(operator==(const dynamic_bitset&, const dynamic_bitset&))
(operator<(const dynamic_bitset&, const dynamic_bitset&)): Use _M_Nb.
* include/tr2/dynamic_bitset.tcc (dynamic_bitset::_M_copy_from_ptr):
Adjust template parameters to match declaration.
* testsuite/tr2/dynamic_bitset/cmp.cc: New test.
* testsuite/tr2/dynamic_bitset/cons.cc: New test.
* testsuite/tr2/dynamic_bitset/copy.cc: New test.
* testsuite/tr2/dynamic_bitset/move.cc: New test.
* testsuite/tr2/dynamic_bitset/pr92059.cc: New test.
2019-09-12 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91748
* include/bits/stl_algo.h (for_each_n): Fix random access iterator
case.
* testsuite/25_algorithms/for_each/for_each_n.cc: Test with random
access iterators.
2019-09-11 Jonathan Wakely <jwakely@redhat.com>
* python/libstdcxx/v6/xmethods.py (SharedPtrUseCountWorker.__call__):
Fix syntax error.
2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
Update docs for p858 - Constexpr iterator changes available since 9.1.
* doc/xml/manual/status_cxx2020.xml: Update p0858r0 status.
2019-09-02 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/abi.xml: Document 9.x library versions.
* doc/html/*: Regenerate.
2019-09-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
* config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
* config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
* config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
* config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
* config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
Likewise.
* config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
* config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
Likewise.
2019-08-29 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91067
* acinclude.m4 (libtool_VERSION): Bump to 6:28:0.
* configure: Regenerate.
* config/abi/pre/gnu.ver (GLIBCXX_3.4.28): Add new version. Export
missing symbols.
* testsuite/27_io/filesystem/iterators/91067.cc: Test move
constructors.
* testsuite/util/testsuite_abi.cc: Add new symbol version.
2019-08-29 Jakub Jelinek <jakub@redhat.com
* config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
2019-08-28 Jonathan Wakely <jwakely@redhat.com>
* config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
* config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
* config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2019-08-23 Joseph Myers <joseph@codesourcery.com>
* src/filesystem/ops-common.h [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
(std::filesystem::__gnu_posix::lstat): Add return type.
2019-08-20 Jonathan Wakely <jwakely@redhat.com>
* include/std/numeric (reduce): Fix Doxygen markup.
Backport from mainline
2019-06-19 Jonathan Wakely <jwakely@redhat.com>
* include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
category used in invocable check.
(reduce(Iter, Iter, T)): Pass initial value as rvalue.
* testsuite/26_numerics/reduce/2.cc: New test.
Backport from mainline
2019-06-18 Jonathan Wakely <jwakely@redhat.com>
* include/bits/algorithmfwd.h: Change title of doc group.
* include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
P0024R2.
* include/bits/stl_numeric.h: Define doc group and add algos to it.
* include/std/numeric (__is_random_access_iter): New internal trait.
(reduce, transform_reduce, exclusive_scan, inclusive_scan)
(transform_exclusive_scan, transform_inclusive_scan): Likewise.
* testsuite/25_algorithms/for_each/for_each_n.cc: New test.
* testsuite/26_numerics/exclusive_scan/1.cc: New test.
* testsuite/26_numerics/inclusive_scan/1.cc: New test.
* testsuite/26_numerics/reduce/1.cc: New test.
* testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
* testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
* testsuite/26_numerics/transform_reduce/1.cc: New test.
* testsuite/util/testsuite_iterators.h (test_container::size()): New
member function.
2019-08-20 Uros Bizjak <ubizjak@gmail.com>
* config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
2019-08-13 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-08-12 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90361
* src/c++17/string-inst.cc: Use _GLIBCXX_USE_CXX11_ABI=1 by default.
2019-08-12 Release Manager
* GCC 9.2.0 released.
2019-07-31 Jonathan Wakely <jwakely@redhat.com>
* testsuite/26_numerics/midpoint/floating.cc: Use standard macros
instead of GCC-specific ones.
Backport from mainline
2019-06-24 Jonathan Wakely <jwakely@redhat.com>
* testsuite/18_support/headers/cfloat/values_c++17.cc: New test.
2019-07-31 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-07-31 Jonathan Wakely <jwakely@redhat.com>
* include/std/memory (make_obj_using_allocator): Qualify call to
uses_allocator_construction_args.
2019-07-31 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-07-31 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91308
* include/bits/unique_ptr.h (unique_ptr::__safe_conversion_up): Remove
constraints on deleter that should only apply to the constructor.
(unique_ptr<T[], D>::__safe_conversion_up): Likewise.
(unique_ptr<T[], D>::unique_ptr(unique_ptr<U, D>&&)): Restore
constraints on deleter here.
* testsuite/20_util/unique_ptr/assign/91308.cc: New test.
2019-07-31 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-07-29 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/51333
* libsupc++/cxxabi.h (__gnu_cxx::recursive_init_error): Do not define
constructor inline.
* libsupc++/guard_error.cc (__gnu_cxx::recursive_init_error): Define
constructor.
* testsuite/18_support/51333.cc: New test.
2019-07-26 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-07-26 Jonathan Wakely <jwakely@redhat.com>
* include/std/bit (__cpp_lib_endian): Define.
* include/std/version (__cpp_lib_endian): Define.
* testsuite/26_numerics/endian/2.cc: New.
* testsuite/26_numerics/endian/3.cc: New.
* testsuite/26_numerics/endian/4.cc: New.
2019-07-26 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-07-25 Jonathan Wakely <jwakely@redhat.com>
* include/std/bit (endian): Move definition here as per P1612R1.
* include/std/type_traits (endian): Remove definition from here.
* testsuite/20_util/endian/1.cc: Rename to ...
* testsuite/26_numerics/endian/1.cc: ... here. Adjust header.
2019-07-26 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-07-22 Jonathan Wakely <jwakely@redhat.com>
* include/std/bit (__rotl, __rotr): Change second parameter from
unsigned int to int and handle negative values.
(rotl, rotr): Remove check for __STRICT_ANSI__. Change second
parameter from unsigned int to int. Add nodiscard attribute.
* testsuite/26_numerics/bit/bitops.rot/rotl.cc: Rename to ...
* testsuite/26_numerics/bit/bit.rotate/rotl.cc: Here. Test negative
shifts.
* testsuite/26_numerics/bit/bitops.rot/rotr.cc: Rename to ...
* testsuite/26_numerics/bit/bit.rotate/rotr.cc: Here. Test negative
shifts.
2019-07-26 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-07-22 Jonathan Wakely <jwakely@redhat.com>
* include/std/bit (__ceil2): Make unrepresentable results undefined,
as per P1355R2. Add debug assertion. Perform one left shift, not two,
so that out of range values cause undefined behaviour. Ensure that
shift will still be undefined if left operand is promoted.
* testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Replace checks for
unrepresentable values with checks that they are not core constant
expressions.
* testsuite/26_numerics/bit/bit.pow.two/ceil2_neg.cc: New test.
2019-07-26 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline (partial)
2019-06-26 Jonathan Wakely <jwakely@redhat.com>
* include/std/bit (rotl(byte, unsigned), rotr(byte, unsigned))
(countl_zero(byte), countl_one(byte), countr_zero(byte))
(countr_one(byte), popcount(byte), ispow2(byte), ceil2(byte))
(floor2(byte), log2p1(byte)): Remove.
* testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Remove test for
std::byte overload.
* testsuite/26_numerics/bit/bit.pow.two/floor2.cc: Likewise.
* testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: Likewise.
* testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: Likewise.
* testsuite/26_numerics/bit/bitops.count/countl_one.cc: Likewise.
* testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
* testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
* testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
* testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
* testsuite/26_numerics/bit/bitops.rot/rotl.cc: Likewise.
* testsuite/26_numerics/bit/bitops.rot/rotr.cc: Likewise.
2019-07-26 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-07-16 Jason Merrill <jason@redhat.com>
* include/std/memory (uses_allocator_construction_args): Add parens
around constraint.
2019-07-26 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-07-02 Jonathan Wakely <jwakely@redhat.com>
* include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
(_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
instead of __is_identifier to detect Clang support.
2019-07-26 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-05-23 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2017.xml: Add feature test macro for
P0040R3.
* doc/html/*: Regenerate.
2019-07-26 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-06-20 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
C++17 working draft.
2019-07-26 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-06-25 Jonathan Wakely <jwakely@redhat.com>
* include/std/numeric (midpoint(T, T)): Avoid std::abs in constexpr
function.
Backport from mainline
2019-06-24 Jonathan Wakely <jwakely@redhat.com>
* include/std/numeric (midpoint(T, T)): Change implementation for
floating-point types to avoid incorrect rounding of denormals.
* testsuite/26_numerics/midpoint/floating.cc: Add check for correct
rounding with denormals.
* testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line numbers.
* testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
2019-07-03 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/91067
* acinclude.m4 (libtool_VERSION): Bump to 6:27:0.
* configure: Regenerate.
* config/abi/pre/gnu.ver (GLIBCXX_3.4.27): Add new version. Export
missing symbols.
* testsuite/27_io/filesystem/iterators/91067.cc: New test.
* testsuite/util/testsuite_abi.cc: Add new symbol version.
Backport from mainline
2019-07-02 Jonathan Wakely <jwakely@redhat.com>
* include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_LAUNDER)
(_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED): Use __has_builtin
instead of __is_identifier to detect Clang support.
2019-06-27 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/85494 use rand_s in std::random_device
* config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
* src/c++11/cow-string-inst.cc (random_device::_M_init_pretr1)
[_GLIBCXX_USE_CRT_RAND_S]: Do nothing if rand_s will be used.
* src/c++11/random.cc [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s):
Define new function.
(random_device::_M_init_pretr1) [_GLIBCXX_USE_CRT_RAND_S]: Do nothing
if rand_s will be used.
(random_device::_M_getval_pretr1) [_GLIBCXX_USE_CRT_RAND_S]: Use
__winxp_rand_s().
* testsuite/26_numerics/random/random_device/85494.cc: New test.
PR libstdc++/91012
* src/c++17/fs_path.cc (filesystem_error::_Impl): Use a string_view
for the what_arg parameters.
(filesystem_error::filesystem_error): Pass system_error::what() to
the _Impl constructor.
* testsuite/27_io/filesystem/filesystem_error/cons.cc: Ensure that
filesystem_error::what() contains system_error::what().
2019-06-21 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-06-19 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90920 partially revert r263433
* include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
(rotate): Remove checks.
* testsuite/25_algorithms/rotate/90920.cc: New test.
2019-06-17 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90281 Fix string conversions for filesystem::path
* include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
__str_codecvt_in_all to fail for partial conversions and throw on
error.
[!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
(path::_Cvt<char8_t>): Add explicit specialization.
[_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
overloads.
[_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
if-constexpr instead of dispatching to _S_wconvert. Use codecvt
instead of codecvt_utf8. Use __str_codecvt_in_all and
__str_codecvt_out_all.
[!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
(path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
after converting to UTF-8.
(path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
__str_codecvt_in_all.
(path::string): Fix initialization of string types with different
allocators.
(path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
* include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
runtime conditions.
(__str_codecvt_out_all, __str_codecvt_in_all): New functions that
return false for partial conversions.
* include/experimental/bits/fs_path.h (u8path):
[_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
[_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
instead of codecvt_utf8. Use __str_codecvt_in_all and
__str_codecvt_out_all.
[!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
(path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
(path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
__str_codecvt_in_all.
(path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
* src/c++17/fs_path.cc (path::_S_convert_loc): Use
__str_codecvt_in_all.
* src/filesystem/path.cc (path::_S_convert_loc): Likewise.
* testsuite/27_io/filesystem/path/construct/90281.cc: New test.
* testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
* testsuite/27_io/filesystem/path/native/string.cc: Test with empty
strings and with Unicode characters outside the basic multilingual
plane.
* testsuite/27_io/filesystem/path/native/alloc.cc: New test.
* testsuite/experimental/filesystem/path/construct/90281.cc: New test.
* testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
* testsuite/experimental/filesystem/path/native/alloc.cc: New test.
* testsuite/experimental/filesystem/path/native/string.cc: Test with
empty strings and with Unicode characters outside the basic
multilingual plane.
2019-06-14 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-04-26 Jonathan Wakely <jwakely@redhat.com>
* config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
wstring::_M_replace_dispatch with more specific patterns.
* include/bits/fs_path.h (path::_S_convert_loc<_InputIterator>):
Create const std::string to avoid redundant call to _S_convert_loc
with non-const pointers.
* include/bits/locale_conv.h (__do_str_codecvt): Use if-constexpr to
avoid unnecessary basic_string::assign instantiations.
2019-06-14 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-04-26 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/bits/fs_path.h
(path::_S_convert_loc<_InputIterator>): Create const std::string to
avoid redundant call to _S_convert_loc with non-const pointers.
2019-06-14 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-05-29 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/88881
* src/c++17/fs_ops.cc [_GLIBCXX_FILESYSTEM_IS_WINDOWS]
(status(const path&, error_code&)): Use parent_path() to remove
trailing slash.
(symlink_status(const path&, error_code&)): Duplicate workaround for
bug in _wstat for paths with trailing slash.
* testsuite/27_io/filesystem/operations/remove_all.cc: Check path
with trailing slash.
* testsuite/27_io/filesystem/operations/status.cc: Likewise.
* testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2019-06-14 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-05-29 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/fs_path.cc (path::parent_path()): Create whole path at
once instead of building it iteratively.
2019-06-14 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-05-07 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/intro.xml: Fix DR 2537 and DR 2566 confusion.
2019-06-14 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-06-14 Jonathan Wakely <jwakely@redhat.com>
* include/std/version (__cpp_lib_bind_front): Add missing macro.
2019-06-14 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-06-12 Jonathan Wakely <jwakely@redhat.com>
* include/std/algorithm (__cpp_lib_parallel_algorithm): Fix value.
* include/std/memory (__cpp_lib_parallel_algorithm): Likewise.
* include/std/numeric (__cpp_lib_parallel_algorithm): Likewise.
* testsuite/25_algorithms/pstl/feature_test.cc: New test.
2019-06-14 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-06-07 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90770
* src/Makefile.am (stamp-debug): Also test for missing makefile.
* src/Makefile.in: Regenerate.
2019-06-14 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-05-21 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90252
* testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
Use "additional_flags" to pass -ltbb to v3_target_compile command.
Use check_v3_target_prop_cached to cache the result of the test.
Backport from mainline
2019-05-20 Thomas Rodgers <trodgers@redhat.com>
PR libstdc++/90252
* testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
Changed v3_target_compile check from preprocess to executable.
Added "-ltbb" to v3_target_compile flags.
Backport from mainline
2019-05-20 Thomas Rodgers <trodgers@redhat.com>
* testsuite/lib/libstdc++.exp (check_effective_target_tbb-backend):
Add check for Thread Building Blocks 2018 or later.
2019-06-14 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-05-21 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/shared_ptr.xml: Fix names of lock policy constants.
2019-06-11 Edward Smith-Rowland <3dw4rd@verizon.net>
Fix ConstexprIterator requirements tests - No constexpr algorithms!
* testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
Replace copy with hand-rolled loop.
* testsuite/23_containers/array/requirements/constexpr_iter.cc:
Ditto.
2019-06-09 Edward Smith-Rowland <3dw4rd@verizon.net>
Test for C++20 p0858 - ConstexprIterator requirements.
* testsuite/21_strings/basic_string_view/requirements/constexpr_iter.cc:
New test.
* testsuite/23_containers/array/requirements/constexpr_iter.cc:
New test.
2019-06-05 Jakub Jelinek <jakub@redhat.com>
Backported from mainline
2019-05-29 Jakub Jelinek <jakub@redhat.com>
PR c++/90598
2019-05-02 Jonathan Wakely <jwakely@redhat.com>
* testsuite/experimental/propagate_const/requirements2.cc: Adjust
dg-error.
2019-06-03 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90700
* include/std/tuple
(tuple(allocator_arg_t, const A&, const tuple<UTypes...>&)): Fix
value category of template argument to _TC::_NonNestedTuple.
* testsuite/20_util/tuple/cons/90700.cc: New test.
PR libstdc++/90686
* doc/xml/manual/status_cxx2014.xml: Document what's missing from
<experimental/memory_resource>.
* doc/xml/manual/status_cxx2020.xml: Document status of P0777R1,
P0339R6, P0340R3, P1164R1 and P1357R1.
* doc/html/*: Regenerate.
* include/std/tuple (make_from_tuple): Use remove_reference_t instead
of decay_t (P0777R1).
2019-05-30 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2017.xml: Fix typo in documentation of
implementation-defined support for [fs.conform.9945].
* doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
P0811R3. Change status of P1353R0.
* doc/html/*: Regenerate.
2019-05-28 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-05-28 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90634
* include/experimental/bits/fs_path.h (path::path(path&&)): Only call
_M_split_cmpts() for a path with multiple components.
(path::_S_is_dir_sep()): Add missing 'static' keyword to function.
* src/filesystem/path.cc (path::_M_split_cmpts()): Count number of
components and reserve space in vector. Return early when there is
only one component.
* testsuite/27_io/filesystem/path/construct/90634.cc: New test.
* testsuite/experimental/filesystem/path/construct/90634.cc: New test.
Backport from mainline
2019-05-28 Jonathan Wakely <jwakely@redhat.com>
* testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
form of std::equals for C++11 compatibility.
2019-05-24 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-05-24 Jonathan Wakely <jwakely@redhat.com>
* include/std/numeric (midpoint(T*, T*)): Fix incorrect result.
* testsuite/26_numerics/midpoint/pointer.cc: Change "compile" test
to "run".
Backport from mainline
2019-05-17 Jonathan Wakely <jwakely@redhat.com>
* include/bits/random.h (seed_seq::param): Fix non-reserved name.
* include/experimental/type_traits (is_detected_exact)
(is_detected_exact_v): Likewise.
* include/pstl/execution_defs.h (is_execution_policy)
(is_execution_policy_v, __enable_if_execution_policy): Likewise.
* include/pstl/execution_impl.h (__policy_traits): Likewise.
* testsuite/17_intro/names.cc: Check for more non-reserved names.
* testsuite/experimental/names.cc: New test.
Backport from mainline
2019-05-17 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/85965
* include/bits/hashtable.h (_Hashtable::~_Hashtable()): Remove static
assertions from the destructor.
* include/bits/hashtable_policy.h (_Hash_code_base::_M_hash_code):
Move static_assert for hash function to here.
(_Hash_table_base::_M_equals): Move static_assert for equality
predicate to here.
* include/bits/stl_tree.h (_Rb_tree::_S_key(_Const_Link_type)): Move
assertions here. Access the value directly instead of calling _S_value.
(_Rb_tree::_S_key(_Const_Base_ptr)): Do downcast and forward to
_S_key(_Const_Link_type).
* testsuite/23_containers/set/85965.cc: Check construction,
destruction, assignment and size() do not trigger the assertions.
* testsuite/23_containers/unordered_set/85965.cc: Likewise.
* testsuite/23_containers/map/48101_neg.cc: Call find and adjust
expected errors.
* testsuite/23_containers/multimap/48101_neg.cc: Likewise.
* testsuite/23_containers/multiset/48101_neg.cc: Likewise.
* testsuite/23_containers/set/48101_neg.cc: Likewise.
* testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
* testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
* testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
* testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2019-05-23 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-05-23 Jonathan Wakely <jwakely@redhat.com>
* include/experimental/any (__any_caster): Use RTTI if comparing
addresses fails, to support non-unique addresses in shared libraries.
* include/std/any (__any_caster): Likewise.
* testsuite/experimental/any/misc/any_cast_neg.cc: Use 0 for dg-error
line number.
Backport from mainline
2019-05-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90220
* include/experimental/any (__any_caster): Constrain to only be
callable for object types. Use remove_cv_t instead of decay_t.
If the type decays or isn't copy constructible, compare the manager
function to a dummy specialization.
(__any_caster): Add overload constrained for non-object types.
(any::_Manager_internal<_Op>): Add dummy specialization.
* testsuite/experimental/any/misc/any_cast.cc: Test function types
and array types.
2019-05-22 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-05-22 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90557
* src/c++17/fs_path.cc (path::_List::operator=(const _List&)): Fix
reversed arguments to uninitialized_copy_n.
* testsuite/27_io/filesystem/path/assign/copy.cc: Check that source
is unchanged by copy assignment.
* testsuite/util/testsuite_fs.h (compare_paths): Use std::equal to
compare path components.
2019-05-20 Jonathan Wakely <jwakely@redhat.com>
Backported from mainline
2019-05-20 Jonathan Wakely <jwakely@redhat.com>
PR c++/90532 Ensure __is_constructible(T[]) is false
* include/std/type_traits (__do_is_default_constructible_impl)
(__is_default_constructible_atom, __is_default_constructible_safe):
Remove.
(is_default_constructible): Use is_constructible.
* testsuite/20_util/is_constructible/value.cc: Check int[] case.
* testsuite/20_util/is_default_constructible/value.cc: Likewise.
* testsuite/20_util/is_trivially_constructible/value.cc: Likewise.
* testsuite/20_util/is_trivially_default_constructible/value.cc:
Likewise.
2019-05-16 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-05-16 Jonathan Wakely <jwakely@redhat.com>
* src/c++17/fs_ops.cc (absolute(const path&, error_code&))
[_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Remove bogus assertion.
Backport from mainline
2019-05-04 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90299
* src/c++17/fs_ops.cc (absolute(const path&)): Report an error if the
argument is an empty path.
(absolute(const path&, error_code&)): Use invalid_argument as error
code instead of no_such_file_or_directory.
* testsuite/27_io/filesystem/operations/absolute.cc: Check handling
of non-existent paths and empty paths with both overloads of absolute.
2019-05-15 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-04-30 Jonathan Wakely <jwakely@redhat.com>
* testsuite/27_io/filesystem/path/decompose/root_path.cc: Remove
macros accidentally left in.
* testsuite/27_io/filesystem/path/native/string-char8_t.cc: Remove
unnecessary -lstdc++fs option. Fix test for mingw.
* testsuite/experimental/filesystem/path/native/string-char8_t.cc:
Fix test for mingw.
Backport from mainline
2019-05-13 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90454.cc path construction from void*
* include/bits/fs_path.h (path::_Path): Use remove_pointer so that
pointers to void are rejected as well as void.
* include/experimental/bits/fs_path.h (path::_Path): Likewise.
* testsuite/27_io/filesystem/path/construct/80762.cc: Also check
pointers to void.
* testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
2019-05-13 Edward Smith-Rowland <3dw4rd@verizon.net>
* doc/xml/manual/status_cxx2020.xml: Document P0811R3 status.
2019-05-11 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-05-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/81266
* testsuite/util/thread/all.h: Do not use remove_pointer for
std::thread::native_handle_type.
2019-05-10 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90397
* include/std/variant (variant): Add noexcept to friend declaration.
Backport from mainline
2019-04-26 Jonathan Wakely <jwakely@redhat.com>
* include/std/memory (__uses_alloc_args): Add string-literal to
static_assert, to match the one in __uses_alloc.
[__cpp_concepts] (_Std_pair): Use C++2a syntax for concept.
* testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: Check
for recursive uses-allocator construction of nested pairs.
* testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc:: Add
comment.
Backport from mainline
2019-04-25 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90239
* doc/xml/manual/status_cxx2020.xml: Amend P0591R4 status.
* include/std/scoped_allocator [__cplusplus > 201703L]
(scoped_allocator_adaptor::construct): Define in terms of
uses_allocator_construction_args, as per P0591R4.
* testsuite/20_util/scoped_allocator/construct_pair_c++2a.cc: New test.
* testsuite/util/testsuite_allocator.h: Remove name of unused
parameter.
* doc/html/*: Regenerate.
2019-05-03 Release Manager
* GCC 9.1.0 released.
2019-05-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
* config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
* config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
* config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
* config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
* config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
Likewise.
* config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
* config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
Likewise.
2019-04-30 Jakub Jelinek <jakub@redhat.com>
* config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Change _Lock_policyE2 exports
to _Lock_policyE[012].
* config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: Update.
2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
Backport from mainline
2019-04-26 H.J. Lu <hongjiu.lu@intel.com>
* config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
2019-04-26 Jonathan Wakely <jwakely@redhat.com>
Backport from mainline
2019-04-26 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/variant/run.cc: Use a new Hashable type to test
hashing, because pmr::string depends on _GLIBCXX_USE_CXX11_ABI==1.
* testsuite/21_strings/basic_string/hash/hash.cc
[!_GLIBCXX_USE_CXX11_ABI]: Don't test pmr strings.
* testsuite/21_strings/basic_string/hash/hash_char8_t.cc
[!_GLIBCXX_USE_CXX11_ABI]: Likewise.
2019-04-26 Jonathan Wakely <jwakely@redhat.com>
* config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace wildcard that matches
wstring::_M_replace_dispatch with more specific patterns.
2019-04-26 Jakub Jelinek <jakub@redhat.com>
* config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
* config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
* config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
* config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
* config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2019-04-25 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90239
* doc/xml/manual/status_cxx2020.xml: Correct status of P0591R4.
* doc/html/*: Regenerate.
2019-04-24 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2017.xml: Document P0024R2 status.
* doc/html/*: Regenerate.
* include/bits/fs_path.h (operator<, operator<=, operator>)
(operator>=, operator==, operator!=): Make hidden friends, as per
LWG 3065.
* testsuite/27_io/filesystem/path/native/string-char8_t.cc: Fix
string type in test.
* testsuite/27_io/filesystem/path/native/string.cc: Likewise.
* include/std/any (any::any(ValueType&&)): Use __and_v.
* include/std/numeric (midpoint(T, T, T), midpoint(T*, T*, T*)):
Likewise.
* include/std/tuple (apply): Use remove_reference_t instead of decay_t
as per P0777R1.
* include/std/type_traits (__result_of_memfun): Use remove_reference
instead of __remove_cvref_t and remove redundant is_same check.
(__inv_unwrap): Use __remove_cvref_t instead of decay_t.
* include/experimental/string_view (basic_string_view::pointer)
(basic_string_view::reference): Fix to refer to non-const value_type.
* include/bits/basic_string.h (basic_string): Use __sv_check and
__sv_limit instead of basic_string_view::_M_check and
basic_string_view::_M_limit.
* include/std/string_view (__sv_check, __sv_limit): New
helper functions to replace basic_string_view::_M_check and
basic_string_view::_M_limit.
(basic_string_view): Add static assertions to enforce ill-formed
requirement for traits_type::char_type from P1148R0, and to enforce
required properties of char-like types.
(basic_string_view::pointer, basic_string_view::reference): Fix to
refer to non-const value_type.
(basic_string_view::operator[], basic_string_view::at)
(basic_string_view::front, basic_string_view::back)
(basic_string_view::data): Use const_reference and const_pointer
typedefs for return types.
(basic_string_view::_M_check, basic_string_view::_M_limit): Remove.
(hash<wstring_view>): Fix argument_type typedef.
* testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
char/1.cc: Fix expected return type of basic_string_view::data().
* testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
wchar_t/1.cc: Likewise.
* testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
char/1.cc: Likewise.
* testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
wchar_t/1.cc: Likewise.
* testsuite/21_strings/basic_string_view/requirements/traits_neg.cc:
New test.
* testsuite/21_strings/basic_string_view/requirements/typedefs.cc:
Check reference and pointer typedefs.
* testsuite/experimental/string_view/requirements/typedefs.cc:
Likewise.
* testsuite/experimental/string_view/modifiers/remove_prefix/char/1.cc:
Fix expected return type of basic_string_view::data().
* testsuite/experimental/string_view/modifiers/remove_prefix/wchar_t/
1.cc: Likewise.
* testsuite/experimental/string_view/modifiers/remove_suffix/char/1.cc:
Likewise.
* testsuite/experimental/string_view/modifiers/remove_suffix/wchar_t/
1.cc: Likewise.
PR libstdc++/90220
* include/std/any (__any_caster): Use remove_cv_t instead of decay_t.
Avoid a runtime check for types that can never be stored in std::any.
* testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
array types.
PR libstdc++/90220 (partial)
* include/std/any (any_cast<T>(any*), any_cast<T>(const any*)): Do
not attempt ill-formed static_cast to pointers to non-object types.
* testsuite/20_util/any/misc/any_cast.cc: Test std::any_cast with
function types.
* testsuite/20_util/variant/run.cc: Catch exception by reference to
prevent -Wcatch-value warning.
* include/std/variant (__variant_construct): Use template parameter
type instead of equivalent decltype-specifier.
(_Move_ctor_base<false, Types...>::_Move_ctor_base(_Move_ctor_base&&)):
Replace forward with move.
(_Move_ctor_base<false, Types...>::_M_destructive_move)
(_Move_ctor_base<false, Types...>::_M_destructive_copy)
(_Move_ctor_base<true, Types...>::_M_destructive_move)
(_Move_ctor_base<true, Types...>::_M_destructive_copy): Only set the
index after construction succeeds.
(_Copy_assign_base<false, Types...>::operator=): Remove redundant
if-constexpr checks that are always true. Use __remove_cvref_t instead
of remove_reference so that is_nothrow_move_constructible check
doesn't use a const rvalue parameter. In the potentially-throwing case
construct a temporary and move assign it, as per LWG 2904.
(_Move_assign_base<false, Types...>::operator=): Remove redundant
if-constexpr checks that are always true. Use emplace as per LWG 2904.
(variant::operator=(T&&)): Only use emplace conditionally, otherwise
construct a temporary and move assign from it, as per LWG 2904.
* testsuite/20_util/variant/exception_safety.cc: Check that
assignment operators have strong exception safety guarantee.
2019-04-23 Thomas Rodgers <trodgers@redhat.com>
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
_S_trivial_copy_assign depend on _S_trivial_copy_ctor and make
_S_trivial_move_assign depend on _S_trivial_move_ctor, as per
P0602R4.
(__detail::__variant::_Copy_assign_alias): Only depend on
_S_trivial_copy_assign, which subsumes _S_trivial_copy_ctor now.
* testsuite/20_util/variant/compile.cc: Correct checks for trivial
move assignment operators.
PR libstdc++/90165
* include/std/variant (variant::__not_self): New helper for the
is_same_v<remove_cvref_t<T>, variant>==false constraints.
(variant::__to_type_impl): Remove.
(variant::__to_type): Add default argument to check pack size, instead
of using __to_type_impl.
(variant::__accepted_type): Add default argument using __not_self.
(variant::__is_in_place_tag, variant::__not_in_place_tag): New helpers
for variant(T&&) constructor constraint.
(variant::variant(T&&)): Use __not_in_place_tag in constraints.
Extract __accepted_type into a named template parameter for reuse in
other constraints and in the exception specification.
(variant::variant(in_place_type_t<T>, Args&&...))
(variant::variant(in_place_type_t<T>, initializer_list<U>, Args&&...))
(variant::variant(in_place_index_t<T>, Args&&...))
(variant::variant(in_place_index_t<T>, initializer_list<U>, Args&&...))
(variant::operator=T&&)): Remove redundant && from trait arguments.
* testsuite/20_util/variant/compile.cc: Check variant(T&&) constructor
isn't used for in_place_type or in_place_index arguments.
* include/std/type_traits (unwrap_reference_t): Define for C++2a.
(unwrap_ref_decay): Remove inheritance from unwrap_reference.
* testsuite/20_util/unwrap_reference/1.cc: Adjust test to use alias.
2019-04-23 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
Bernd Edlinger <bernd.edlinger@hotmail.de>
Jakub Jelinek <jakub@redhat.com>
PR target/89093
* libsupc++/eh_personality.cc (PERSONALITY_FUNCTION): Add
general-regs-only target attribute for ARM.
2019-04-23 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/87431
* include/bits/basic_string.h (_Never_valueless_alt): Make partial
specialization also depend on is_nothrow_move_constructible.
* include/std/variant (__detail::__variant::__never_valueless()):
Only true if the variant would have a move assignment operator.
(__detail::__variant::_Variant_storage<false, T...>::_M_valid()):
Check __never_valueless<T...>().
(variant::emplace): Only perform non-throwing move assignments
for never-valueless alternatives if the variant has a move assignment
operator.
* testsuite/20_util/variant/compile.cc: Check that never-valueless
types can be emplaced into non-assignable variants.
* testsuite/20_util/variant/run.cc: Check that never-valueless types
don't get copied when emplaced into non-assignable variants.
* include/std/variant (__detail::__variant::__ref_cast): Remove
unused function.
(__detail::__variant::_Uninitialized::_M_get)
(__detail::__variant::__get)
(__gen_vtable_impl::__element_by_index_or_cookie): Add noexcept.
2019-04-21 Iain Sandoe <iain@sandoe.co.uk>
* testsuite/17_intro/headers/c++1998/charset.cc: Skip for Darwin8
to Darwin10.
* testsuite/17_intro/headers/c++2011/charset.cc: Likewise.
* testsuite/17_intro/headers/c++2014/charset.cc: Likewise.
* testsuite/17_intro/headers/c++2017/charset.cc: Likewise.
* testsuite/17_intro/headers/c++2020/charset.cc: Likewise.
2019-04-20 Thomas Rodgers <trodgers@redhat.com>
Delegate PSTL configuration to pstl/pstl_config.h
* 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
* include/pstl/glue_algorithm_impl.h (stable_sort): Forward
execution policy.
(mismatch): Forward execution policy.
(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
std::equal().
(__internal::__brick_equal): use simd for random access
iterators on unsequenced execution policies.
(__internal::__pattern_equal): add "4 iterator" version
(__internal::__pattern_equal): dispatch to simd __brick_equal
for vector-only execution policies.
(__internal::__pattern_equal): dispatch to __parallel_or for
parallel execution policies.
* 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
* include/bits/forward_list.h (operator==): Do not use operator!= to
compare elements.
(forward_list<T, A>::sort(Comp)): When elements are equal take the one
earlier in the list, so that sort is stable.
* testsuite/23_containers/forward_list/operations/90105.cc: New test.
* testsuite/23_containers/forward_list/comparable.cc: Test with
types that meet the minimum EqualityComparable and LessThanComparable
requirements. Remove irrelevant comment.
* include/std/variant (__detail::__variant::_Traits::_S_copy_assign):
Do not depend on whether all alternative types are move constructible.
(__detail::__variant::_Copy_assign_base::operator=): Remove cv-quals
from the operand when deciding whether to perform the assignment.
* testsuite/20_util/variant/compile.cc (DeletedMoves): Define type
with deleted move constructor and deleted move assignment operator.
(default_ctor, copy_ctor, move_ctor, copy_assign, move_assign): Check
behaviour of variants with DeletedMoves as an alternative.
* testsuite/20_util/variant/run.cc (DeletedMoves): Define same type.
(move_ctor, move_assign): Check that moving a variant with a
DeletedMoves alternative falls back to copying instead of moving.
* testsuite/20_util/variant/compile.cc: Remove empty string literals
from static_assert declarations.
* testsuite/20_util/variant/compile.cc (MoveCtorOnly): Fix type to
actually match its name.
(MoveCtorAndSwapOnly): Define new type that adds swap to MoveCtorOnly.
(test_swap()): Fix result for MoveCtorOnly and check
MoveCtorAndSwapOnly.
* include/std/optional (optional::value_or(U&&) &&): Add missing
constexpr specifier.
* testsuite/20_util/optional/constexpr/observers/4.cc: Check value_or
for disengaged optionals and rvalue optionals.
* 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.
2019-04-11 Thomas Rodgers <trodgers@redhat.com>
* include/bits/c++config:
Add definition for __PSTL_ASSERT.
Add definition for __PSTL_ASSERT_MSG.
* include/pstl/algorithm_impl.h: Replace use of assert().
* include/pstl/numeric_impl.h: Replace use of assert().
* include/pstl/parallel_backend_tbb.h:
Replace use of assert().
Replace use of __TBB_ASSERT().
* include/pstl/parallel_backend_utils.h: Replace use of assert().
2019-04-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90046
* src/c++17/memory_resource.cc
(monotonic_buffer_resource::_Chunk::allocate): Increase alignment if
needed to allow placing a _Chunk at the end of the buffer.
(monotonic_buffer_resource::_M_new_buffer): Remove static_assert.
2019-04-10 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/faq.xml: Add information about emergency EH pool.
* doc/xml/manual/debug.xml: Update list of memory debugging tools.
Move outdated information on mt_allocator to a separate section.
* doc/xml/manual/evolution.xml: Clarify that GLIBCXX_FORCE_NEW
doesn't affect the default allocator.
* testsuite/lib/libstdc++.exp (check_v3_target_parallel_mode): Fix
typo.
PR libstdc++/89851
* testsuite/20_util/variant/89851.cc: New test.
2019-04-09 Jonathan Wakely <jwakely@redhat.com>
* include/std/variant: Adjust whitespace. Add comments.
(_Multi_array): Leave primary template undefined.
(_Multi_array<_Tp>): Define partial specialization for base case of
recursion.
(__gen_vtable_impl, __gen_vtable): Remove redundant && from type
which is always a reference.
(__gen_vtable::_S_apply()): Remove function, inline body into
default member initializer.
* testsuite/20_util/variant/visit.cc: Test with noncopyable types.
* include/std/variant (__variant_idx_cookie): Add member type.
(__visitor_result_type): Remove.
(__do_visit): Use invoke_result instead of __visitor_result_type.
* testsuite/20_util/variant/visit.cc: New test.
PR libstdc++/90008
* include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Remove
unused capture.
* testsuite/20_util/variant/90008.cc: New test.
2019-04-09 Thomas Rodgers <trodgers@redhat.com>
* include/pstl/algorithm_impl.h: Add namespace qualification.
* include/pstl/execution_defs.h: Add namespace qualification.
* include/pstl/execution_impl.h: Add namespace qualification.
* include/pstl/numeric_impl.h: Add namespace qualification.
* include/pstl/parallel_backend_tbb.h: Add namespace qualification.
* include/pstl/unseq_backend_simd.h: Add namespace qualification.
* include/pstl/parallel_backend_utils.h: Include <cassert>.
2019-04-08 Ville Voutilainen <ville.voutilainen@gmail.com>
Fix visit<R> for variant.
* include/std/variant (__do_visit): Add a template parameter
for enforcing same return types for visit.
(__gen_vtable_impl): Likewise.
(_S_apply_single_alt): Adjust.
(__visit_invoke_impl): New. Handle casting to void.
(__do_visit_invoke): New. Enforces same return types.
(__do_visit_invoke_r): New. Converts return types.
(__visit_invoke): Adjust.
(__gen_vtable): Add a template parameter for enforcing
same return types for visit.
* testsuite/20_util/variant/visit_r.cc: Add a test for a visitor with
different return types.
* testsuite/20_util/variant/visit_neg.cc: New. Ensures that
visitors with different return types don't accidentally
compile with regular visitation.
2019-04-08 Christophe Lyon <christophe.lyon@linaro.org>
* testsuite/27_io/filesystem/iterators/caching.cc: Add
dg-require-filesystem-ts.
2019-04-05 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/status_cxx2020.xml: Update status.
* include/std/variant (visit<R>): Define for C++2a (P0655R1).
* testsuite/20_util/variant/visit_r.cc: New test.
* include/bits/fs_dir.h (directory_iterator::operator*)
(directory_iterator::operator->): Add noexcept.
(operator==, operator!=): Replace namespace-scope equality operators
for directory iterators with hidden friends.
PR libstdc++/89986
* config/abi/pre/gnu.ver: Add missing exports.
* testsuite/27_io/filesystem/iterators/directory_iterator.cc: Test
increment member.
* config/abi/pre/gnu.ver: Export new symbols.
* include/bits/fs_dir.h (recursive_directory_iterator::options())
(recursive_directory_iterator::recursion_pending())
(recursive_directory_iterator::disable_recursion_pending()): Remove
inline definitions. Make noexcept.
(recursive_directory_iterator::depth())
(recursive_directory_iterator::operator*())
(recursive_directory_iterator::operator->()): Make noexcept.
(recursive_directory_iterator::_M_options)
(recursive_directory_iterator::_M_pending): Remove data members.
* src/c++17/fs_path.cc (_Dir_stack): Add constructor and data members.
(recursive_directory_iterator::recursive_directory_iterator): Remove
ctor-initializer. Use new constructor for _Dir_stack.
(recursive_directory_iterator::options())
(recursive_directory_iterator::recursion_pending())
(recursive_directory_iterator::disable_recursion_pending()): Add
non-inline definitions.
(recursive_directory_iterator::depth()): Make noexcept.
(recursive_directory_iterator::increment(error_code&))
(recursive_directory_iterator::pop(error_code&)): Adjust to new
location of options and recursion_pending members.
* testsuite/27_io/filesystem/iterators/recursion_pending.cc: New test.
* testsuite/util/testsuite_fs.h (__gnu_test::scoped_file): Add
user-declared move constructor and assignment operator, to make the
type move-only.
* src/c++17/fs_dir.cc (_Dir::advance(bool, error_code&)): Handle
d_type == DT_UNKNOWN immediately.
(_Dir::should_recurse(bool, error_code&)): Remove file_type::unknown
handling here.
* testsuite/27_io/filesystem/iterators/caching.cc: New test.
* include/bits/fs_path.h (path::operator=(path&&)): Check for self
assignment.
* src/c++17/fs_path.cc (path::operator=(const path&)): Likewise.
* testsuite/27_io/filesystem/path/assign/copy.cc: Test self
assignment.
PR libstdc++/87431 (again)
* include/bits/basic_string.h (__variant::_Never_valueless_alt):
Define partial specialization for basic_string.
* include/bits/shared_ptr.h (_Never_valueless_alt): Likewise for
shared_ptr and weak_ptr.
* include/bits/std_function.h (_Never_valueless_alt): Likewise for
function.
* include/bits/stl_vector.h (_Never_valueless_alt): Likewise for
vector.
* include/bits/unique_ptr.h (_Never_valueless_alt): Likewise for
unique_ptr.
* include/debug/vector (_Never_valueless_alt): Likewise for debug
vector.
* include/std/any (_Never_valueless_alt): Define explicit
specialization for any.
* include/std/variant (_Never_valueless_alt): Define primary template.
(__never_valueless): Use _Never_valueless_alt instead of
is_trivially_copyable.
(variant::emplace<N>(Args&&...)): Add special case for non-throwing
initializations to avoid try-catch overhead. Add special case for
scalars produced by potentially-throwing conversions. Use
_Never_valueless_alt instead of is_trivially_copyable for the
remaining strong exception-safety cases.
(variant::emplace<N>(initializer_list<U>, Args&&...)): Likewise.
* testsuite/20_util/variant/87431.cc: Run both test functions.
* testsuite/20_util/variant/exception_safety.cc: New test.
* testsuite/20_util/variant/run.cc: Use pmr::string instead of string,
so the variant becomes valueless.
2019-04-03 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/85184
* include/std/variant (_Copy_assign_base, _Move_assign_base, variant):
Remove assertions.
(variant::emplace<_Tp>): Return result of emplace<N> directly.
* include/std/string (__hash_string_base): New class template defining
operator() for hashing strings.
(hash<pmr::string>, hash<pmr::u8string>, hash<pmr::u16string>)
(hash<pmr::u32string>, hash<pmr::wstring>): Define for C++17.
* testsuite/21_strings/basic_string/hash/hash.cc: New test.
* testsuite/21_strings/basic_string/hash/hash_char8_t.cc: New test.
2019-04-01 Ville Voutilainen <ville.voutilainen@gmail.com>
Use single-visitation in variant assignment and swap and relops.
Also use indices instead of types when checking whether
variants hold the same thing.
* include/std/variant (__do_visit): Add a template parameter
for index visitation, invoke with indices if index visitation
is used.
(__variant_idx_cookie): New.
(__visit_with_index): Likewise.
(_Copy_assign_base::operator=): Do single-visitation with
an index visitor.
(_Move_assign_base::operator=): Likewise.
(_Extra_visit_slot_needed): Adjust.
(__visit_invoke): Call with indices if it's an index visitor.
(relops): Do single-visitation with an index visitor.
(swap): Likewise.
(__visitor_result_type): New.
2019-03-30 Eric Botcazou <ebotcazou@adacore.com>
* src/c++17/fs_ops.cc (fs::permissions): Use std::errc::not_supported.
2019-03-28 Ville Voutilainen <ville.voutilainen@gmail.com>
Don't revisit a variant we are already visiting.
* include/std/variant (__variant_construct_single): New.
(__variant_construct): Use it.
(_M_destructive_move): Likewise.
(_M_destructive_copy): Likewise.
(_Copy_assign_base::operator=): Adjust.
(_Move_assign_base::operator=): Likewise.
(swap): Likewise.
2019-03-26 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/85965
* include/bits/hashtable.h (_Hashtable): Move static assertions to
destructor so they are not evaluated until the _Key type is complete.
* include/bits/stl_tree.h (_Rb_tree): Likewise.
* testsuite/23_containers/set/85965.cc: New test.
* testsuite/23_containers/unordered_set/85965.cc: New test.
* testsuite/23_containers/map/48101_neg.cc: Replace "here" errors
with regexp matching the corresponding _Rb_tree specialization.
* testsuite/23_containers/multimap/48101_neg.cc: Likewise.
* testsuite/23_containers/multiset/48101_neg.cc: Remove "here" error.
* testsuite/23_containers/set/48101_neg.cc: Likewise.
* testsuite/23_containers/unordered_map/48101_neg.cc: Likewise.
* testsuite/23_containers/unordered_multimap/48101_neg.cc: Likewise.
* testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
* testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
PR libstdc++/89825
Fix based on a suggestion by Antony Polukhin.
* include/std/variant (__never_valueless): New.
(_M_valid): Use it.
(_Extra_visit_slot_needed): New.
(_Multi_array): Use it.
(_S_apply_all_alts): Likewise.
2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
PR libstdc++/89824
Fix based on a suggestion by Antony Polukhin.
* include/std/variant (__gen_vtable): Don't reserve an
additional table slot, _Multi_array already does that.
2019-03-26 Ville Voutilainen <ville.voutilainen@gmail.com>
PR libstdc++/89816
Fix based on a suggestion by Antony Polukhin.
* include/std/variant (__variant_construct): Capture a pointer
to the storage and visit just one variant.
2019-03-22 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/backwards_compatibility.xml: Remove link to
Doxygen-generated pages with unstable URL.
* doc/xml/manual/concurrency_extensions.xml: Likewise.
* doc/xml/manual/extensions.xml: Likewise.
* doc/xml/manual/parallel_mode.xml: Likewise.
* doc/xml/manual/support.xml: Likewise.
* include/bits/stl_algobase.h (__lg): Do arithmetic on type int to
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.
(install-headers): Add ptsl_builddir.
* include/Makefile.in: Regenerate.
* include/bits/c++config: Add pstl configuration.
* include/pstl/LICENSE.txt: New file.
* include/pstl/algorithm_fwd.h: New file.
* include/pstl/algorithm_impl.h: New file.
* include/pstl/execution_defs.h: New file.
* include/pstl/execution_impl.h: New file.
* include/pstl/glue_algorithm_defs.h: New file.
* include/pstl/glue_algorithm_impl.h: New file.
* include/pstl/glue_execution_defs.h: New file.
* include/pstl/glue_memory_defs.h: New file.
* include/pstl/glue_memory_impl.h: New file.
* include/pstl/glue_numeric_defs.h: New file.
* include/pstl/glue_numeric_impl.h: New file.
* include/pstl/memory_impl.h: New file.
* include/pstl/numeric_fwd.h: New file.
* include/pstl/numeric_impl.h: New file.
* include/pstl/parallel_backend.h: New file.
* include/pstl/parallel_backend_tbb.h: New file.
* include/pstl/parallel_backend_utils.h: New file.
* include/pstl/parallel_impl.h: New file.
* include/pstl/pstl_config.h: New file.
* include/pstl/unseq_backend_simd.h: New file.
* include/pstl/utils.h: New file.
* include/std/algorithm: Include parallel algorithm implementations.
* include/std/execution: New file.
* include/std/memory: Include parallel algorithm implementations.
* include/std/numeric: Include parallel algorithm implementations.
* include/std/version: Add parallel algorithms feature test macro.
* testsuite/util/pstl/pstl_test_config.h: New file.
* testsuite/util/pstl/test_utils.h: New file.
* testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
* testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
* testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
* testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
* testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
* testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
* testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
* testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
* testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
* testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
* testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
* testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
* testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
* testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
* testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
* testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
* testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
* testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
* testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
* testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
* testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
* testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc: New file.
* testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc: New file.
* testsuite/testsuite/20_util/specialized_algorithms/pstl/uninitialized_fill_destroy.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_merge/merge.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/fill.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/generate.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/remove_copy.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/swap_ranges.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_binary.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/transform_unary.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/adjacent_find.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/for_each.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/mismatch.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_sorting/includes.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_sorting/is_sorted.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_sorting/minmax_element.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_sorting/set.cc: New file.
* testsuite/testsuite/25_algorithms/pstl/alg_sorting/sort.cc: New file.
* testsuite/testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc: New file.
* testsuite/testsuite/26_numerics/pstl/numeric_ops/reduce.cc: New file.
* testsuite/testsuite/26_numerics/pstl/numeric_ops/scan.cc: New file.
* testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_reduce.cc: New file.
* testsuite/testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: New file.
2019-03-21 Jonathan Wakely <jwakely@redhat.com>
* include/c_compatibility/math.h [!__STDCPP_WANT_MATH_SPEC_FUNCS__]
(assoc_laguerre, assoc_laguerref, assoc_laguerrel, assoc_legendre)
(assoc_legendref, assoc_legendrel, beta, betaf, betal, comp_ellint_1)
(comp_ellint_1f, comp_ellint_1l, comp_ellint_2, comp_ellint_2f)
(comp_ellint_2l, comp_ellint_3, comp_ellint_3f, comp_ellint_3l)
(cyl_bessel_i, cyl_bessel_if, cyl_bessel_il, cyl_bessel_j)
(cyl_bessel_jf, cyl_bessel_jl, cyl_bessel_k, cyl_bessel_kf)
(cyl_bessel_kl, cyl_neumann, cyl_neumannf, cyl_neumannl, ellint_1)
(ellint_1f, ellint_1l, ellint_2, ellint_2f, ellint_2l, ellint_3)
(ellint_3f, ellint_3l, expint, expintf, expintl, hermite, hermitef)
(hermitel, laguerre, laguerref, laguerrel, legendre, legendref)
(legendrel, riemann_zeta, riemann_zetaf, riemann_zetal, sph_bessel)
(sph_besself, sph_bessell, sph_legendre, sph_legendref, sph_legendrel)
(sph_neumann, sph_neumannf, sph_neumannl): Only add using-declarations
when the special functions IS is enabled, not for C++17.
* testsuite/26_numerics/headers/cmath/functions_global_c++17.cc:
Replace with ...
* testsuite/26_numerics/headers/cmath/functions_global.cc: New test,
without checks for special functions in C++17.
* testsuite/26_numerics/headers/cmath/special_functions_global.cc:
New test.
PR libstdc++/88066
* include/backward/hash_map: Use <> for includes not "".
* include/backward/hash_set: Likewise.
* include/backward/strstream: Likewise.
* include/tr1/bessel_function.tcc: Likewise.
* include/tr1/exp_integral.tcc: Likewise.
* include/tr1/legendre_function.tcc: Likewise.
* include/tr1/modified_bessel_func.tcc: Likewise.
* include/tr1/riemann_zeta.tcc: Likewise.
2019-03-19 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/allocator.xml: Link to table documenting evolution
of extension allocators.
* doc/xml/manual/evolution.xml: Use angle brackets for header names.
Document new headers in 7.2, 8.1 and 9.1 releases.
* doc/xml/manual/using.xml: Adjust link target for new_allocator.
* doc/html/*: Regenerate.
2019-03-12 John David Anglin <dave.anglin@bell.net>
PR libstdc++/89461
* testsuite/lib/libstdc++.exp: Locate libatomic.
* testsuite/lib/dg-options.exp (add_options_for_libatomic): New.
* testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc: Add
libatomic options.
* testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
* testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
* testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
* testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
2019-03-11 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/89460
* configure.ac: Check for sockatmark.
* crossconfig.m4: Check for sockatmark.
* config.h.in: Regenerate.
* configure: Regenerate.
* include/experimental/internet (address_v4::_S_hton): Rename
overloaded functions to _S_hton_16 and _S_ntoh_16.
(address_v4::_S_ntoh): Rename to _S_ntoh_16 and _S_ntoh_32.
(basic_endpoint): Adjust calls to _S_hton and _S_ntoh.
* include/experimental/socket (basic_socket::at_mark): Check
_GLIBCXX_HAVE_SOCKATMARK.
* testsuite/29_atomics/atomic_flag/test_and_set/explicit-hle.cc: Use
const variables instead of macros.
PR libstdc++/89629
* libsupc++/hash_bytes.cc [__SIZEOF_SIZE_T__ == 8] (_Hash_bytes):
Use correct type for len_aligned.
* testsuite/20_util/hash/89629.cc: New test.
2019-03-11 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/89641
* include/std/atomic (atomic<T>::store, atomic<T>::load,
atomic<T>::exchange, atomic<T>::compare_exchange_weak,
atomic<T>::compare_exchange_strong): Cast __m or __s and __f to int.
* include/bits/atomic_base.h (__atomic_base<T>::operator++,
__atomic_base<T>::operator--, __atomic_base<T>::operator+=,
__atomic_base<T>::operator-=, __atomic_base<T>::operator&=,
__atomic_base<T>::operator|=, __atomic_base<T>::operator^=,
__atomic_base<T*>::operator++, __atomic_base<T*>::operator--,
__atomic_base<T*>::operator+=, __atomic_base<T*>::operator-=): Cast
memory_order_seq_cst to int.
2019-03-08 Jonathan Wakely <jwakely@redhat.com>
* doc/xml/manual/using.xml: Use link element instead of xref.
* doc/html/*: Regenerate.
* include/bits/fs_path.h (path::format): Add fixed underlying type.
2019-03-08 François Dumont <fdumont@gcc.gnu.org>
PR libstdc++/89477
* include/debug/map.h (map): Use _RequireNotAllocator to constrain
parameters in deduction guides.
* include/debug/multimap.h (multimap): Likewise.
* include/debug/set.h (multimap): Likewise.
* include/debug/multiset.h (multimap): Likewise.
* include/debug/unordered_map (unordered_map): Likewise.
(unordered_multimap): Likewise.
* include/debug/unordered_set (unordered_set): Likewise.
(unordered_multiset): Likewise.
PR libstdc++/89608
* include/debug/unordered_map (unordered_map<>::_M_check_rehashed):
Invalidate all iterators in case of rehash.
(unordered_multimap<>::_M_check_rehashed): Likewise.
* include/debug/unordered_set
(unordered_set<>::_M_check_rehashed): Likewise.
(unordered_multiset<>::_M_check_rehashed): Likewise.
* testsuite/23_containers/unordered_set/debug/89608_neg.cc: New.
2019-03-07 Andreas Schwab <schwab@suse.de>
* config/abi/post/riscv64-linux-gnu: New directory.
* config/abi/post/riscv64-linux-gnu/baseline_symbols.txt: New file.
2019-03-07 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/function_objects/bind_front/1.cc: Change from
compile test to run. Fix typo.
* doc/xml/manual/status_cxx2020.xml: Update C++20 status.
* doc/html/*: Regenerate.
P0356R5 Simplified partial function application
* include/std/functional [C++20] (_Bind_front, _Bind_front_t): Define
helpers for bind_front.
(bind_front, __cpp_lib_bind_front): Define.
* testsuite/20_util/function_objects/bind_front/1.cc: New test.
2019-03-06 Jonathan Wakely <jwakely@redhat.com>
* include/std/type_traits (__cpp_lib_bounded_array_traits): Define.
* include/std/version (__cpp_lib_bounded_array_traits): Likewise.
* testsuite/20_util/is_bounded_array/value.cc: Check for macro.
* testsuite/20_util/is_unbounded_array/value.cc: Likewise.
2019-03-06 Edward Smith-Rowland <3dw4rd@verizon.net>
PR libstdc++/86655 - std::assoc_legendre should not constrain
the value of m (or x).
* include/tr1/legendre_function.tcc (__assoc_legendre_p,
__sph_legendre): If degree > order Don't throw, return 0.
(__legendre_p, __assoc_legendre_p): Don't constrain x either.
* testsuite/special_functions/02_assoc_legendre/pr86655.cc: New test.
* testsuite/special_functions/20_sph_legendre/pr86655.cc: New test.
* testsuite/tr1/5_numerical_facilities/special_functions/
02_assoc_legendre/pr86655.cc: New test.
* testsuite/tr1/5_numerical_facilities/special_functions/
22_sph_legendre/pr86655.cc: New test.
2019-03-06 Ville Voutilainen <ville.voutilainen@gmail.com>
Rewrite variant.
Also PR libstdc++/85517
* include/std/variant (__do_visit): New.
(__variant_cast): Likewise.
(__variant_cookie): Likewise.
(__erased_*): Remove.
(_Variant_storage::_S_vtable): Likewise.
(_Variant_storage::__M_reset_impl): Adjust to use __do_visit.
(_Variant_storage::__M_reset): Adjust.
(__variant_construct): New.
(_Copy_ctor_base(const _Copy_ctor_base&)): Adjust to use
__variant_construct.
(_Move_ctor_base(_Move_ctor_base&&)): Likewise.
(_Move_ctor_base::__M_destructive_copy): New.
(_Move_ctor_base::__M_destructive_move): Adjust to use
__variant_construct.
(_Copy_assign_base::operator=): Adjust to use __do_visit.
(_Copy_assign_alias): Adjust to check both copy assignment
and copy construction for triviality.
(_Move_assign_base::operator=): Adjust to use __do_visit.
(_Multi_array): Add support for visitors that accept and return
a __variant_cookie.
(__gen_vtable_impl::_S_apply_all_alts): Likewise.
(__gen_vtable_impl::_S_apply_single_alt): Likewise.
(__gen_vtable_impl::__element_by_index_or_cookie): New. Generate
a __variant_cookie temporary for a variant that is valueless and..
(__gen_vtable_impl::__visit_invoke): ..adjust here.
(__gen_vtable::_Array_type): Conditionally make space for
the __variant_cookie visitor case.
(__variant_construct_by_index): New.
(get_if): Adjust to use std::addressof.
(relops): Adjust to use __do_visit.
(variant): Add __variant_cast and __variant_construct_by_index
as friends.
(variant::emplace): Use _M_reset() and __variant_construct_by_index
instead of self-destruction.
(variant::swap): Adjust to use __do_visit.
(visit): Reimplement in terms of __do_visit.
(__variant_hash_call_base_impl::operator()): Adjust to use __do_visit.
* testsuite/20_util/variant/compile.cc: Adjust.
* testsuite/20_util/variant/run.cc: Likewise.
2019-03-06 Jonathan Wakely <jwakely@redhat.com>
* include/bits/c++config.h (_cpp_lib_char8_t): Add L suffix to
constant.
* testsuite/experimental/feat-char8_t.cc: Likewise.
* include/std/type_traits [C++20] (is_bounded_array)
(is_unbounded_array, is_bounded_array_v, is_unbounded_array_v):
Define.
* testsuite/20_util/is_bounded_array/requirements/
explicit_instantiation.cc: New test.
* testsuite/20_util/is_bounded_array/requirements/typedefs.cc: New
test.
* testsuite/20_util/is_bounded_array/value.cc: New test.
* testsuite/20_util/is_unbounded_array/requirements/
explicit_instantiation.cc: New test.
* testsuite/20_util/is_unbounded_array/requirements/typedefs.cc: New
* test.
* testsuite/20_util/is_unbounded_array/value.cc: New test.
* include/bits/ptr_traits.h [C++20] (pointer_traits<T*>::pointer_to):
Add constexpr.
* testsuite/20_util/pointer_traits/pointer_to_constexpr.cc: New test.
2019-03-05 Jonathan Wakely <jwakely@redhat.com>
* include/c_compatibility/math.h [C++20] (lerp): Add using
declaration.
* include/c_global/cmath [C++20] (__cpp_lib_interpolate): Define.
(__lerp): Define function template to implement lerp.
(lerp(float, float, float), lerp(double, double, double))
(lerp(long double, long double, long double)): Define for C++20.
* include/std/numeric [C++20] (__cpp_lib_interpolate): Define.
(midpoint(T, T), midpoint(T*, T*)): Define.
* include/std::version [C++20] (__cpp_lib_interpolate): Define.
* testsuite/26_numerics/lerp.cc: New test.
* testsuite/26_numerics/midpoint/floating.cc: New test.
* testsuite/26_numerics/midpoint/integral.cc: New test.
* testsuite/26_numerics/midpoint/pointer.cc: New test.
2019-03-04 Edward Smith-Rowland <3dw4rd@verizon.net>
PR libstdc++/88996 Implement P0439R0
Make std::memory_order a scoped enumeration.
* include/bits/atomic_base.h: For C++20 make memory_order a scoped enum,
add variables for the old enumerators. Adjust calls.
* testsuite/29_atomics/headers/atomic/types_std_c++2a.cc: New test.
* testsuite/29_atomics/headers/atomic/types_std_c++2a_neg.cc: New test.
2019-03-04 Jonathan Wakely <jwakely@redhat.com>
* testsuite/26_numerics/bit/bitops.rot/rotl.cc: Remove bogus dg-do
directive.
* include/std/memory_resource (polymorphic_allocator): Add default
template argument for C++20.
(polymorphic_allocator::allocate_bytes)
(polymorphic_allocator::deallocate_bytes)
(polymorphic_allocator::allocate_object)
(polymorphic_allocator::deallocate_object)
(polymorphic_allocator::new_object)
(polymorphic_allocator::delete_object): New member functions for
C++20.
* testsuite/20_util/polymorphic_allocator/allocate_object.cc: New
test.
2019-03-03 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/89562
* src/filesystem/ops-common.h (do_copy_file): Open files in binary
mode for mingw.
2019-03-01 Jonathan Wakely <jwakely@redhat.com>
* testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource)
[!__cpp_sized_deallocation]: Do not pass size to operator delete.
* include/std/memory (uses_allocator_construction_args): New set of
overloaded functions.
(make_obj_using_allocator, uninitialized_construct_using_allocator):
New functions.
* include/std/memory_resource (polymorphic_allocator::construct)
[__cplusplus > 201703l]: Replace all overloads with a single function
using uses_allocator_construction_args.
* testsuite/20_util/polymorphic_allocator/construct_c++2a.cc: New
test.
* testsuite/20_util/uses_allocator/make_obj.cc: New test.
2019-02-27 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/89466
* acinclude.m4 (GLIBCXX_CONFIGURE_DOCBOOK): Reorder check for local
stylesheet directories before check for xsltproc. Try to use
xmlcatalog to find local stylesheet directory before trying hardcoded
paths. Add path used by suse to hardcoded paths. Adjust xsltproc
check to look for the same stylesheet as doc/Makefile.am uses. Don't
use xsltproc if xmlcatalog fails to find a local stylesheet.
* configure.ac: Check for xmlcatalog.
* Makefile.in: Regenerate.
* configure: Likewise.
* doc/Makefile.in: Likewise.
* include/Makefile.in: Likewise.
* libsupc++/Makefile.in: Likewise.
* po/Makefile.in: Likewise.
* python/Makefile.in: Likewise.
* src/Makefile.in: Likewise.
* src/c++11/Makefile.in: Likewise.
* src/c++17/Makefile.in: Likewise.
* src/c++98/Makefile.in: Likewise.
* src/filesystem/Makefile.in: Likewise.
* testsuite/Makefile.in: Likewise.
2019-02-26 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/89477
* include/bits/alloc_traits.h (_RequireNotAllocator): New helper for
container deduction guides.
* include/bits/hashtable.h (_RequireNotAllocatorOrIntegral): Likewise.
* include/bits/stl_map.h (map): Use _RequireNotAllocator to constrain
parameters in deduction guides.
* include/bits/stl_multimap.h (multimap): Likewise.
* include/bits/stl_multiset.h (multiset): Likewise.
* include/bits/stl_queue.h (queue, priority_queue): Likewise.
* include/bits/stl_set.h (set): Likewise.
* include/bits/stl_stack.h (stack): Likewise.
* include/bits/unordered_map.h (unordered_map, unordered_multimap):
use _RequireNotAllocator and _RequireNotAllocatorOrIntegral to
constrain parameters in deduction guides.
* include/bits/unordered_set.h (unordered_set, unordered_multiset):
Likewise.
* testsuite/23_containers/map/cons/deduction.cc: Test additional
deduction cases.
* testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
* testsuite/23_containers/set/cons/deduction.cc: Likewise.
* testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
* testsuite/23_containers/unordered_multimap/cons/deduction.cc:
Likewise.
* testsuite/23_containers/unordered_multiset/cons/deduction.cc:
Likewise.
* testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
PR libstdc++/89416
* include/bits/alloc_traits.h (__is_alloc_insertable_impl): Change
to class template and partial specialization using void_t.
(__is_copy_insertable, __is_move_insertable): Adjust base class.
2019-02-24 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/89416
* include/bits/alloc_traits.h (__is_alloc_insertable_impl): Make
copy and move members public.
2019-02-23 Jonathan Wakely <jwakely@redhat.com>
* include/std/type_traits (__underlying_type_impl): New helper to
make underlying_type SFINAE-friendly.
(underlying_type): Derive from __underlying_type_impl.
* testsuite/20_util/underlying_type/requirements/typedefs-3.cc: New
test.
PR libstdc++/89446
* include/bits/char_traits.h (__constant_char_array): Check index is
in range before dereferencing.
(char_traits<char>::compare, char_traits<char>::find)
(char_traits<char8_t>::compare, char_traits<char8_t>::find): Return
immediately if n is zero.
(char_traits<wchar_t>::compare, char_traits<wchar_t>::find): Likewise.
Remove workarounds for PR 67026.
* testsuite/21_strings/basic_string_view/operators/char/89446.cc:
New test.
* testsuite/21_strings/basic_string_view/operators/wchar_t/89446.cc:
New test.
2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
* config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: Adjust.
* config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: Likewise.
2019-02-22 Jakub Jelinek <jakub@redhat.com>
PR libstdc++/89402
* src/c++98/compatibility-ldbl.cc (_ZNKSt4hashIeEclEe): Change return
type to std::size_t and argument to type to long double.
2019-02-22 Eric Botcazou <ebotcazou@adacore.com>
* configure.host (abi_baseline_pair): Adjust for SPARC64/Linux.
* config/abi/post/sparc64-linux-gnu: New directory.
* config/abi/post/sparc64-linux-gnu/baseline_symbols.txt: New file.
* config/abi/post/sparc64-linux-gnu/32: New directory.
* config/abi/post/sparc64-linux-gnu/32/baseline_symbols.txt: New file.
2019-02-21 Jonathan Wakely <jwakely@redhat.com>
* testsuite/29_atomics/headers/atomic/types_std_c++20.cc: New test.
* testsuite/29_atomics/headers/atomic/types_std_c++20_neg.cc: New
test.
2019-02-22 Tom Honermann <tom@honermann.net>
* python/libstdcxx/v6/printers.py (register_type_printers): Add type
printers for u8string and u8string_view.
2019-02-22 Tom Honermann <tom@honermann.net>
* testsuite/18_support/byte/ops.cc: Validate
std::to_integer<char8_t>, std::to_integer<char16_t>, and
std::to_integer<char32_t>.
* testsuite/18_support/numeric_limits/dr559.cc: Validate
std::numeric_limits<char8_t>.
* testsuite/18_support/numeric_limits/lowest.cc: Validate
std::numeric_limits<char8_t>::lowest().
* testsuite/18_support/numeric_limits/max_digits10.cc: Validate
std::numeric_limits<char8_t>::max_digits10.
* testsuite/18_support/type_info/fundamental.cc: Validate
typeinfo for char8_t.
* testsuite/20_util/from_chars/1_c++20_neg.cc: New test, validating
std::from_chars with char8_t.
* testsuite/20_util/hash/requirements/explicit_instantiation.cc:
Validate explicit instantiation of std::h