PR c++/90490 - fix decltype issues in noexcept-specifier.
[gcc.git] / libstdc++-v3 / ChangeLog
index 90043c55f1a256791c1f14499a30221917854d2f..ac98c0d02e7a585275a682e0cb66799396508c1a 100644 (file)
@@ -1,3 +1,844 @@
+2019-06-20  Jonathan Wakely  <jwakely@redhat.com>
+
+       * acinclude.m4 (GLIBCXX_ENABLE_DEBUG): Only do debug build for final
+       stage of bootstrap.
+       * configure: Regenerate.
+
+       * include/std/variant (_Variant_storage, _Extra_visit_slot_needed):
+       Qualify calls to __never_valueless.
+
+       * doc/xml/manual/status_cxx2017.xml: Fix outdated reference to
+       C++17 working draft.
+
+       * testsuite/libstdc++-prettyprinters/simple.cc: Use non-palindromic
+       vector<bool> for test.
+       * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
+
+2019-06-19  Jonathan Wakely  <jwakely@redhat.com>
+
+       * include/bits/stream_iterator.h (istream_iterator::_M_equal()): Make
+       private.
+       (istream_iterator::_M_read()): Do not check stream state before
+       attempting extraction. Set stream pointer to null when extraction
+       fails (P0738R2).
+       (operator==(const istream_iterator&, const istream_iterator&)): Change
+       to be a hidden friend of istream_iterator.
+       (operator!=(const istream_iterator&, const istream_iterator&)):
+       Likewise.
+       (ostream_iterator::ostream_iterator()): Add default constructor.
+       (ostream_iterator::ostream_iterator(ostream_type*, const C*)): Use
+       addressof.
+       * testsuite/24_iterators/istream_iterator/1.cc: New test.
+       * testsuite/24_iterators/ostream_iterator/1.cc: New test.
+       * testsuite/24_iterators/ostream_iterator/70766.cc: Also check
+       constructor taking a string.
+       * testsuite/24_iterators/ostream_iterator/requirements/constexpr.cc:
+       New test.
+
+2019-06-19  Michael Weghorn  <m.weghorn@posteo.de>
+           Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/90945
+       * python/libstdcxx/v6/printers.py (StdVectorPrinter._iterator): Use
+       values of type bool for vector<bool> elements.
+       * testsuite/libstdc++-prettyprinters/simple.cc: Test vector<bool>.
+       * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
+
+2019-06-19  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/90920 partially revert r263433
+       * include/bits/stl_algo.h (__rotate): Restore checks for empty ranges.
+       (rotate): Remove checks.
+       * testsuite/25_algorithms/rotate/90920.cc: New test.
+
+       * include/std/numeric (reduce(Iter, Iter, T, BinOp)): Fix value
+       category used in invocable check.
+       (reduce(Iter, Iter, T)): Pass initial value as rvalue.
+       * testsuite/26_numerics/reduce/2.cc: New test.
+
+2019-06-18  Jonathan Wakely  <jwakely@redhat.com>
+
+       * include/bits/algorithmfwd.h: Change title of doc group.
+       * include/bits/stl_algo.h (for_each_n): Add new C++17 algorithm from
+       P0024R2.
+       * include/bits/stl_numeric.h: Define doc group and add algos to it.
+       * include/std/numeric (__is_random_access_iter): New internal trait.
+       (reduce, transform_reduce, exclusive_scan, inclusive_scan)
+       (transform_exclusive_scan, transform_inclusive_scan): Likewise.
+       * testsuite/25_algorithms/for_each/for_each_n.cc: New test.
+       * testsuite/26_numerics/exclusive_scan/1.cc: New test.
+       * testsuite/26_numerics/inclusive_scan/1.cc: New test.
+       * testsuite/26_numerics/reduce/1.cc: New test.
+       * testsuite/26_numerics/transform_exclusive_scan/1.cc: New test.
+       * testsuite/26_numerics/transform_inclusive_scan/1.cc: New test.
+       * testsuite/26_numerics/transform_reduce/1.cc: New test.
+       * testsuite/util/testsuite_iterators.h (test_container::size()): New
+       member function.
+
+       * include/c_global/cstddef (std::byte): Perform arithmetic operations
+       in unsigned int to avoid promotion (LWG 2950).
+
+2019-06-17  Jonathan Wakely  <jwakely@redhat.com>
+
+       * testsuite/20_util/allocator/1.cc: Add sized delete, which fixes a
+       failure on AIX.
+
+       * include/c_global/cmath (__lerp, lerp): Add noexcept (LWG 3201).
+
+       PR libstdc++/90281 Fix string conversions for filesystem::path
+       * include/bits/fs_path.h (u8path) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
+       Use codecvt_utf8_utf16 instead of codecvt_utf8. Use
+       __str_codecvt_in_all to fail for partial conversions and throw on
+       error.
+       [!_GLIBCXX_FILESYSTEM_IS_WINDOWS && _GLIBCXX_USE_CHAR8_T]
+       (path::_Cvt<char8_t>): Add explicit specialization.
+       [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Remove
+       overloads.
+       [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
+       if-constexpr instead of dispatching to _S_wconvert. Use codecvt
+       instead of codecvt_utf8. Use __str_codecvt_in_all and
+       __str_codecvt_out_all.
+       [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
+       codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
+       (path::_S_str_convert) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
+       codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
+       with allocator. Use __str_codecvt_out_all. Fallthrough to POSIX code
+       after converting to UTF-8.
+       (path::_S_str_convert): Use codecvt instead of codecvt_utf8. Use
+       __str_codecvt_in_all.
+       (path::string): Fix initialization of string types with different
+       allocators.
+       (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
+       codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
+       * include/bits/locale_conv.h (__do_str_codecvt): Reorder static and
+       runtime conditions.
+       (__str_codecvt_out_all, __str_codecvt_in_all): New functions that
+       return false for partial conversions.
+       * include/experimental/bits/fs_path.h (u8path):
+       [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Implement correctly for mingw.
+       [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_wconvert): Add
+       missing handling for char8_t. Use codecvt and codecvt_utf8_utf16
+       instead of codecvt_utf8. Use __str_codecvt_in_all and
+       __str_codecvt_out_all.
+       [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::_Cvt::_S_convert): Use
+       codecvt instead of codecvt_utf8. Use __str_codecvt_out_all.
+       (path::string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
+       codecvt_utf8_utf16 instead of codecvt_utf8. Construct return values
+       with allocator. Use __str_codecvt_out_all and __str_codecvt_in_all.
+       (path::string) [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
+       __str_codecvt_in_all.
+       (path::u8string) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use
+       codecvt_utf8_utf16 instead of codecvt_utf8. Use __str_codecvt_out_all.
+       * src/c++17/fs_path.cc (path::_S_convert_loc): Use
+       __str_codecvt_in_all.
+       * src/filesystem/path.cc (path::_S_convert_loc): Likewise.
+       * testsuite/27_io/filesystem/path/construct/90281.cc: New test.
+       * testsuite/27_io/filesystem/path/factory/u8path.cc: New test.
+       * testsuite/27_io/filesystem/path/native/string.cc: Test with empty
+       strings and with Unicode characters outside the basic multilingual
+       plane.
+       * testsuite/27_io/filesystem/path/native/alloc.cc: New test.
+       * testsuite/experimental/filesystem/path/construct/90281.cc: New test.
+       * testsuite/experimental/filesystem/path/factory/u8path.cc: New test.
+       * testsuite/experimental/filesystem/path/native/alloc.cc: New test.
+       * testsuite/experimental/filesystem/path/native/string.cc: Test with
+       empty strings and with Unicode characters outside the basic
+       multilingual plane.
+
+2019-06-17  François Dumont  <fdumont@gcc.gnu.org>
+           Jonathan Wakely  <jwakely@redhat.com>
+
+       * include/bits/hashtable.h (struct _Hashtable::_Scoped_node): New type.
+       (_Hashtable::_M_insert_unique_node): Add key_type parameter. Don't
+       deallocate node if insertion fails.
+       (_Hashtable::_M_insert_multi_node): Likewise.
+       (_Hashtable::_M_reinsert_node): Pass additional key argument.
+       (_Hashtable::_M_reinsert_node_multi): Likewise. Remove FIXME.
+       (_Hashtable::_M_extract_node(size_t, __node_base*)): New function.
+       (_Hashtable::extract(const_iterator)): Use _M_extract_node.
+       (_Hashtable::extract(const _Key&)): Likewise.
+       (_Hashtable::_M_merge_unique): Pass additional key argument.
+       (_Hashtable::_M_emplace<Args>(true_type, Args&&...)): Likewise. Use
+       _Scoped_node.
+       (_Hashtable::_M_insert): Likewise.
+       * include/bits/hashtable_policy.h (_Map_base::operator[]): Likewise.
+       (_Hashtable_alloc): Add comments to functions with misleading names.
+
+2019-06-17  Jonathan Wakely  <jwakely@redhat.com>
+
+       * testsuite/20_util/bad_function_call/what.cc: Include <string> header
+       for std::string.
+       * testsuite/20_util/shared_ptr/cons/weak_ptr_expired.cc: Likewise.
+       * testsuite/20_util/tuple/cons/allocator_with_any.cc: Include <memory>
+       header for std::allocator.
+       * testsuite/23_containers/array/tuple_interface/tuple_element.cc: Add
+       using-declaration for std::size_t.
+       * testsuite/23_containers/array/tuple_interface/tuple_size.cc:
+       Likewise.
+       * testsuite/23_containers/deque/cons/55977.cc: Include <istream> for
+       std::istream.
+       * testsuite/23_containers/vector/cons/55977.cc: Likewise.
+       * testsuite/experimental/map/erasure.cc: Include <string> for
+       std::string.
+       * testsuite/experimental/unordered_map/erasure.cc: Likewise.
+
+2019-06-14  Jonathan Wakely  <jwakely@redhat.com>
+
+       * include/experimental/type_traits (experimental::nonesuch): Use
+       pragma to disable -Wctor-dtor-privacy warnings.
+       * include/std/type_traits (__is_convertible_helper<From, To, false>)
+       (__is_nt_convertible_helper<From, To, false>, __nonesuch): Likewise.
+
+       * include/std/version (__cpp_lib_bind_front): Add missing macro.
+
+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.
+
+       * include/std/variant (get<T>, get<N>, get_if<N>, get_if<T>)
+       (variant::emplace): Change static_assert messages from "should be"
+       to "must be".
+       (hash<monostate>::operator()): Remove name of unused parameter.
+
+       * include/std/mutex (scoped_lock::~scoped_lock()): Use fold
+       expression.
+
+       * include/Makefile.am: Add new <bits/charconv.h> header.
+       * include/Makefile.in: Regenerate.
+       * include/bits/basic_string.h (to_string(int), to_string(unsigned))
+       (to_string(long), to_string(unsigned long), to_string(long long))
+       (to_string(unsigned long long)): Rewrite to use __to_chars_10_impl.
+       * include/bits/charconv.h: New header.
+       (__detail::__to_chars_len): Move here from <charconv>.
+       (__detail::__to_chars_10_impl): New function extracted from
+       __detail::__to_chars_10.
+       * include/std/charconv (__cpp_lib_to_chars): Add, but comment out.
+       (__to_chars_unsigned_type): New class template that reuses
+       __make_unsigned_selector_base::__select to pick a type.
+       (__unsigned_least_t): Redefine as __to_chars_unsigned_type<T>::type.
+       (__detail::__to_chars_len): Move to new header.
+       (__detail::__to_chars_10): Add inline specifier. Move code doing the
+       output to __detail::__to_chars_10_impl and call that.
+       * include/std/version (__cpp_lib_to_chars): Add, but comment out.
+       * testsuite/21_strings/basic_string/numeric_conversions/char/
+       to_string.cc: Fix reference in comment. Remove unused variable.
+       * testsuite/21_strings/basic_string/numeric_conversions/char/
+       to_string_int.cc: New test.
+
+2019-06-09  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.
+
+2019-06-08  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.
+
+2019-06-07  Thomas Rodgers  <trodgers@redhat.com>
+
+       Rename PSTL macro's consistent with libstdc++ (and llvm upstream
+       project) standards.
+       * include/bits/c++config: Rename all macros of the form __PSTL* to
+       _PSTL*.
+       * include/std/algorithm: Likewise.
+       * include/std/execution: Likewise.
+       * include/std/numeric: Likewise.
+       * include/std/memory: Likewise.
+       * include/pstl/glue_memory_impl.h: Likewise.
+       * include/pstl/numeric_impl.h: Likewise.
+       * include/pstl/glue_memory_defs.h: Likewise.
+       * include/pstl/execution_defs.h: Likewise.
+       * include/pstl/utils.h: Likewise.
+       * include/pstl/algorithm_fwd.h: Likewise.
+       * include/pstl/unseq_backend_simd.h: Likewise.
+       * include/pstl/glue_execution_defs.h: Likewise.
+       * include/pstl/algorithm_impl.h: Likewise.
+       * include/pstl/parallel_impl.h: Likewise.
+       * include/pstl/memory_impl.h: Likewise.
+       * include/pstl/glue_numeric_defs.h: Likewise.
+       * include/pstl/parallel_backend_utils.h: Likewise.
+       * include/pstl/glue_algorithm_defs.h: Likewise.
+       * include/pstl/parallel_backend.h: Likewise.
+       * include/pstl/glue_numeric_impl.h: Likewise.
+       * include/pstl/parallel_backend_tbb.h: Likewise.
+       * include/pstl/numeric_fwd.h: Likewise.
+       * include/pstl/glue_algorithm_impl.h: Likewise.
+       * include/pstl/execution_impl.h: Likewise.
+       * include/pstl/pstl_config.h: Likewise.
+       * testsuite/util/pstl/pstl_test_config.h: Likewise.
+       * testsuite/util/pstl/test_utils.h: Likewise.
+       * testsuite/20_util/specialized_algorithms/pstl/uninitialized_construct.cc:
+       Likewise.
+       * testsuite/20_util/specialized_algorithms/pstl/uninitialized_copy_move.cc:
+       Likewise.
+       * testsuite/26_numerics/pstl/numeric_ops/adjacent_difference.cc:
+       Likewise.
+       * testsuite/26_numerics/pstl/numeric_ops/scan.cc: Likewise.
+       * testsuite/26_numerics/pstl/numeric_ops/transform_scan.cc: Likewise.
+       * testsuite/26_numerics/pstl/numeric_ops/reduce.cc: Likewise.
+       * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse.cc: Likewise.
+       * testsuite/25_algorithms/pstl/alg_nonmodifying/nth_element.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_nonmodifying/find_end.cc: Likewise.
+       * testsuite/25_algorithms/pstl/alg_nonmodifying/find_if.cc: Likewise.
+       * testsuite/25_algorithms/pstl/alg_nonmodifying/none_of.cc: Likewise.
+       * testsuite/25_algorithms/pstl/alg_nonmodifying/count.cc: Likewise.
+       * testsuite/25_algorithms/pstl/alg_nonmodifying/reverse_copy.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_nonmodifying/equal.cc: Likewise.
+       * testsuite/25_algorithms/pstl/alg_nonmodifying/search_n.cc: Likewise.
+       * testsuite/25_algorithms/pstl/alg_nonmodifying/find.cc: Likewise.
+       * testsuite/25_algorithms/pstl/alg_nonmodifying/all_of.cc: Likewise.
+       * testsuite/25_algorithms/pstl/alg_nonmodifying/find_first_of.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_sorting/is_heap.cc: Likewise.
+       * testsuite/25_algorithms/pstl/alg_sorting/partial_sort.cc: Likewise.
+       * testsuite/25_algorithms/pstl/alg_sorting/partial_sort_copy.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_sorting/lexicographical_compare.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_merge/inplace_merge.cc: Likewise.
+       * testsuite/25_algorithms/pstl/alg_merge/merge.cc: Likewise.
+       * testsuite/25_algorithms/pstl/alg_modifying_operations/unique_copy_equal.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_modifying_operations/replace_copy.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_modifying_operations/is_partitioned.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate_copy.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_modifying_operations/remove.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_if.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_modifying_operations/partition_copy.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_modifying_operations/partition.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_modifying_operations/copy_move.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_modifying_operations/unique.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_modifying_operations/rotate.cc:
+       Likewise.
+       * testsuite/25_algorithms/pstl/alg_nonmodifying/any_of.cc: Likewise.
+
+       Rename header guards to be consistent with upstream project's
+       conventions.
+       * include/pstl/glue_memory_impl.h: Rename all macros of the form
+       _PSTL_(.*)_H to _PSTL_\U\1_H.
+       * include/pstl/numeric_impl.h: Likewise.
+       * include/pstl/glue_memory_defs.h: Likewise.
+       * include/pstl/execution_defs.h: Likewise.
+       * include/pstl/utils.h: Likewise.
+       * include/pstl/algorithm_fwd.h: Likewise.
+       * include/pstl/unseq_backend_simd.h: Likewise.
+       * include/pstl/glue_execution_defs.h: Likewise.
+       * include/pstl/algorithm_impl.h: Likewise.
+       * include/pstl/parallel_impl.h: Likewise.
+       * include/pstl/memory_impl.h: Likewise.
+       * include/pstl/glue_numeric_defs.h: Likewise.
+       * include/pstl/parallel_backend_utils.h: Likewise.
+       * include/pstl/glue_algorithm_defs.h: Likewise.
+       * include/pstl/parallel_backend.h: Likewise.
+       * include/pstl/glue_numeric_impl.h: Likewise.
+       * include/pstl/parallel_backend_tbb.h: Likewise.
+       * include/pstl/numeric_fwd.h: Likewise.
+       * include/pstl/glue_algorithm_impl.h: Likewise.
+       * include/pstl/execution_impl.h: Likewise.
+       * include/pstl/pstl_config.h: Likewise.
+       * testsuite/util/pstl/pstl_test_config.h: Likewise.
+
+       Synchronize libstdc++ parallel algorithms with upstream
+       project.
+       * include/pstl/algorithm_fwd.h: Synchronize with
+       upstream PSTL project.
+       * include/pstl/algorithm_impl.h: Likewise.
+       * include/pstl/execution_defs.h: Likewise.
+       * include/pstl/execution_impl.h: Likewise.
+       * include/pstl/glue_algorithm_impl.h: Likewise.
+       * include/pstl/glue_execution_defs.h: Likewise.
+       * include/pstl/numeric_fwd.h: Likewise.
+       * include/pstl/numeric_impl.h: Likewise.
+       * include/pstl/parallel_backend.h: Likewise.
+       * include/pstl/pstl_config.h: Likewise.
+       * include/pstl/unseq_backend_simd.h: Likewise.
+       * include/pstl/parallel_backend_serial.h: New file.
+       * include/Makefile.am (pstl_headers): Add
+       parallel_backend_serial.h.
+       * include/Makefile.in: Regenerate.
+
+       Clean up non-conforming names
+       * include/pstl/algorithm_impl.h (__parallel_set_union_op):
+       Uglfiy copy_range1 and copy_range2
+       (__pattern_walk2_n): Rename local n to __n
+       * include/pstl/parallel_backend_tbb.h (struct __binary_no_op):
+       Rename parameter _T to _Tp.
+
+       Integrate non-TBB serial backend support
+       * include/bits/c++config: Adjust TBB detection logic to select serial
+       PSTL backend if no TBB present.
+       * testsuite/utils/pstl/test_utils.h: Remove check for
+       _PSTL_USE_PAR_POLICIES
+       
+2019-06-07  Jonathan Wakely  <jwakely@redhat.com>
+
+       * testsuite/24_iterators/container_access.cc: Move dg-options before
+       dg-do directive so the target check uses the -std option.
+
+       PR libstdc++/90770
+       * configure: Regenerate.
+       * src/Makefile.am (stamp-debug): Also test for missing makefile.
+       * src/Makefile.in: Regenerate.
+
+2019-06-06  Jonathan Wakely  <jwakely@redhat.com>
+
+       * include/std/array: Do not include <stdexcept>.
+       * include/std/optional: Include <exception> and
+       <bits/exception_defines.h> instead of <stdexcept>.
+       * testsuite/20_util/function_objects/searchers.cc: Include <cctype>
+       for std::isalnum.
+       * testsuite/20_util/tuple/cons/deduction.cc: Include <memory> for
+       std::allocator.
+       * testsuite/23_containers/map/erasure.cc: Include <string>.
+       * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
+
+       * 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.
+
+       * 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.
+
+       * testsuite/23_containers/deque/requirements/explicit_instantiation/
+       1_c++0x.cc: Remove redundant test.
+       * testsuite/23_containers/deque/requirements/explicit_instantiation/
+       2.cc: Use target selector instead of preprocessor condition.
+       * testsuite/23_containers/deque/requirements/explicit_instantiation/
+       3.cc: Do not run test for C++2a.
+       * testsuite/23_containers/forward_list/requirements/
+       explicit_instantiation/3.cc: Likewise.
+       * testsuite/23_containers/forward_list/requirements/
+       explicit_instantiation/5.cc: Do not test allocator rebinding extension
+       for C++2a.
+       * testsuite/23_containers/list/requirements/explicit_instantiation/
+       1_c++0x.cc: Remove redundant test.
+       * testsuite/23_containers/list/requirements/explicit_instantiation/
+       2.cc: Use target selector instead of preprocessor condition.
+       * testsuite/23_containers/list/requirements/explicit_instantiation/
+       3.cc: Do not run test for C++2a.
+       * testsuite/23_containers/list/requirements/explicit_instantiation/
+       5.cc: Do not test allocator rebinding extension for C++2a.
+       * testsuite/23_containers/map/requirements/explicit_instantiation/
+       1_c++0x.cc: Remove redundant test.
+       * testsuite/23_containers/map/requirements/explicit_instantiation/
+       2.cc: Adjust comment.
+       * testsuite/23_containers/map/requirements/explicit_instantiation/
+       3.cc: Do not run test for C++2a.
+       * testsuite/23_containers/map/requirements/explicit_instantiation/
+       5.cc: Do not test allocator rebinding extension for C++2a.
+       * testsuite/23_containers/multimap/requirements/explicit_instantiation/
+       1_c++0x.cc: Remove redundant test.
+       * testsuite/23_containers/multimap/requirements/explicit_instantiation/
+       3.cc: Do not run test for C++2a.
+       * testsuite/23_containers/multimap/requirements/explicit_instantiation/
+       5.cc: Do not test allocator rebinding extension for C++2a.
+       * testsuite/23_containers/multiset/requirements/explicit_instantiation/
+       3.cc: Do not run test for C++2a.
+       * testsuite/23_containers/multiset/requirements/explicit_instantiation/
+       5.cc: Do not test allocator rebinding extension for C++2a.
+       * testsuite/23_containers/set/requirements/explicit_instantiation/3.cc:
+       Do not run test for C++2a.
+       * testsuite/23_containers/set/requirements/explicit_instantiation/
+       1_c++0x.cc: Remove redundant test.
+       * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc:
+       Do not test allocator rebinding extension for C++2a.
+       * testsuite/23_containers/unordered_map/requirements/
+       explicit_instantiation/3.cc: Likewise.
+       * testsuite/23_containers/unordered_map/requirements/
+       explicit_instantiation/5.cc: Do not test allocator rebinding extension
+       for C++2a.
+       * testsuite/23_containers/unordered_multimap/requirements/
+       explicit_instantiation/3.cc: Do not run test for C++2a.
+       * testsuite/23_containers/unordered_multimap/requirements/
+       explicit_instantiation/5.cc: Do not test allocator rebinding extension
+       for C++2a.
+       * testsuite/23_containers/unordered_multiset/requirements/
+       explicit_instantiation/3.cc: Do not run test for C++2a.
+       * testsuite/23_containers/unordered_multiset/requirements/
+       explicit_instantiation/5.cc: Do not test allocator rebinding extension
+       for C++2a.
+       * testsuite/23_containers/unordered_set/requirements/
+       explicit_instantiation/3.cc: Do not run test for C++2a.
+       * testsuite/23_containers/unordered_set/requirements/
+       explicit_instantiation/5.cc: Do not test allocator rebinding extension
+       for C++2a.
+       * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
+       2.cc: Remove redundant test.
+       * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
+       3.cc: Do not run test for C++2a.
+       * testsuite/23_containers/vector/requirements/explicit_instantiation/
+       3.cc: Likewise.
+
+       * include/std/type_traits (is_empty, is_polymorphic, is_final)
+       (is_abstract, is_aggregate): Remove static_assert.
+       * testsuite/20_util/is_abstract/incomplete_neg.cc: Check for error
+       from builtin only.
+       * testsuite/20_util/is_aggregate/incomplete_neg.cc: Likewise. Add
+       missing -std=gnu++17 option.
+       * testsuite/20_util/is_empty/incomplete_neg.cc: New test.
+       * testsuite/20_util/is_final/incomplete_neg.cc: New test.
+       * testsuite/20_util/is_polymorphic/incomplete_neg.cc: Check for error
+       from builtin only.
+
+       * testsuite/18_support/set_terminate.cc: Do not run for C++98 mode.
+       * testsuite/18_support/set_unexpected.cc: Likewise.
+       * testsuite/20_util/is_nothrow_invocable/value.cc: Test converting to
+       void.
+       * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Fix constexpr
+       function to be valid in C++11.
+       * testsuite/26_numerics/complex/proj.cc: Do not run for C++98 mode.
+       * 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.
+
+       * include/std/tuple (_TC): Replace with _TupleConstraints.
+       (_TupleConstraints): New helper for SFINAE constraints, with more
+       expressive member functions to reduce duplication when used.
+       (tuple::_TC2, tuple::_TMC, tuple::_TNTC): Remove.
+       (tuple::_TCC): Replace dummy type parameter with bool non-type
+       parameter that can be used to check the pack size.
+       (tuple::_ImplicitDefaultCtor, tuple::_ExplicitDefaultCtor)
+       (tuple::_ImplicitCtor, tuple::_ExplicitCtor): New alias templates for
+       checking constraints in constructors.
+       (tuple::__valid_args, tuple::_UseOtherCtor, tuple::__use_other_ctor):
+       New SFINAE helpers.
+       (tuple::tuple): Use new helpers to reduce repitition in constraints.
+       (tuple::tuple(allocator_arg_t, const Alloc&)): Constrain.
+       (tuple<T1, T2>::_TCC, tuple<T1, T2>::_ImplicitDefaultCtor)
+       (tuple<T1, T2>::_ExplicitDefaultCtor, tuple<T1, T2>::_ImplicitCtor)
+       (tuple<T1, T2>::_ExplicitCtor): New alias templates for checking
+       constraints in constructors.
+       (tuple::__is_alloc_arg()): New SFINAE helpers.
+       (tuple<T1, T2>::tuple): Use new helpers to reduce repitition in
+       constraints.
+       (tuple<T1, T2>::tuple(allocator_arg_t, const Alloc&)): Constrain.
+       * testsuite/20_util/tuple/cons/90700.cc: New test.
+       * testsuite/20_util/tuple/cons/allocators.cc: Add default constructor
+       to meet new constraint on allocator-extended default constructor.
+
+2019-06-03  Jonathan Wakely  <jwakely@redhat.com>
+
+       * include/bits/stl_map.h (map): Disable static assert for C++98 mode.
+       * include/bits/stl_multimap.h (multimap): Likewise.
+
+2019-06-03  François Dumont  <fdumont@gcc.gnu.org>
+
+       Rename variables and cleanup comments.
+       * include/bits/hashtable_policy.h
+       * include/bits/hashtable.h
+
+2019-06-03  Jonathan Wakely  <jwakely@redhat.com>
+
+       * doc/xml/manual/status_cxx2020.xml: Add missing row for P0920R2.
+       Fix bgcolor for P0340R3.
+       * doc/html/*: Regenerate.
+
+       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 P1285R0,
+       P0339R6, P0340R3, P1164R1 and P1357R1.
+       * doc/html/*: Regenerate.
+
+       * doc/xml/manual/status_cxx2020.xml: Document P1463R1 status.
+       * include/bits/forward_list.h [__cplusplus > 201703]: Enable
+       allocator::value_type assertion for C++2a.
+       * include/bits/hashtable.h: Likewise.
+       * include/bits/stl_deque.h: Likewise.
+       * include/bits/stl_list.h: Likewise.
+       * include/bits/stl_map.h: Likewise.
+       * include/bits/stl_multimap.h: Likewise.
+       * include/bits/stl_multiset.h: Likewise.
+       * include/bits/stl_set.h: Likewise.
+       * include/bits/stl_vector.h: Likewise.
+       * testsuite/23_containers/deque/48101-3_neg.cc: New test.
+       * testsuite/23_containers/forward_list/48101-3_neg.cc: New test.
+       * testsuite/23_containers/list/48101-3_neg.cc: New test.
+       * testsuite/23_containers/map/48101-3_neg.cc: New test.
+       * testsuite/23_containers/multimap/48101-3_neg.cc: New test.
+       * testsuite/23_containers/multiset/48101-3_neg.cc: New test.
+       * testsuite/23_containers/set/48101-3_neg.cc: New test.
+       * testsuite/23_containers/unordered_map/48101-3_neg.cc: New test.
+       * testsuite/23_containers/unordered_multimap/48101-3_neg.cc: New test.
+       * testsuite/23_containers/unordered_multiset/48101-3_neg.cc: New test.
+       * testsuite/23_containers/unordered_set/48101-3_neg.cc: New test.
+       * testsuite/23_containers/vector/48101-3_neg.cc: New test.
+
+2019-05-31  Gerald Pfeifer  <gerald@pfeifer.com>
+
+       * doc/xml/manual/allocator.xml: Move hoard.org back to http.
+
+2019-05-31  Jonathan Wakely  <jwakely@redhat.com>
+
+       * include/std/tuple (tuple<>): Add noexcept to allocator-extended
+       constructors.
+       (tuple<T1, T2>::__nothrow_default_constructible()): New helper
+       function.
+       (tuple<T1, T2>::tuple(), explicit tuple<T1, T2>::tuple()): Use helper.
+
+2019-05-31  Jonathan Wakely  <jwakely@redhat.com>
+
+       * src/c++98/bitmap_allocator.cc: Add using-declaration for size_t.
+
+       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.
+
+       * include/backward/hashtable.h (size_t, ptrdiff_t)
+       (forward_iterator_tag, input_iterator_tag, _Construct, _Destroy)
+       (distance, vector, pair, __iterator_category): Remove
+       using-declarations that add these names to namespace __gnu_cxx.
+       * include/ext/bitmap_allocator.h (size_t, ptrdiff_t): Likewise.
+       * include/ext/debug_allocator.h (size_t): Likewise.
+       * include/ext/functional (size_t, unary_function, binary_function)
+       (mem_fun1_t, const_mem_fun1_t, mem_fun1_ref_t, const_mem_fun1_ref_t):
+       Likewise.
+       * include/ext/malloc_allocator.h (size_t, ptrdiff_t): Likewise.
+       * include/ext/memory (ptrdiff_t, pair, __iterator_category): Likewise.
+       * include/ext/mt_allocator.h (size_t, ptrdiff_t): Likewise.
+       * include/ext/new_allocator.h (size_t, ptrdiff_t): Likewise.
+       * include/ext/numeric (iota): Fix outdated comment.
+       * include/ext/pool_allocator.h (size_t, ptrdiff_t): Likewise.
+       * include/ext/rb_tree (_Rb_tree, allocator): Likewise.
+       * include/ext/rope (size_t, ptrdiff_t, allocator, _Destroy): Likewise.
+       * include/ext/ropeimpl.h (size_t, printf, basic_ostream)
+       (__throw_length_error, _Destroy, std::__uninitialized_fill_n_a):
+       Likewise.
+       * include/ext/slist (size_t, ptrdiff_t, _Construct, _Destroy)
+       (allocator, __true_type, __false_type): Likewise.
+
+2019-05-31  Antony Polukhin  <antoshkka@gmail.com>
+
+       PR libstdc++/71579
+       * include/std/type_traits __type_identity, __is_complete_or_unbounded):
+       New helpers for checking preconditions in traits.
+       (is_trivial, is_trivially_copyable, is_standard_layout, is_pod)
+       (is_literal_type, is_empty, is_polymorphic, is_final, is_abstract)
+       (is_destructible, is_nothrow_destructible, is_constructible)
+       (is_default_constructible, is_copy_constructible)
+       (is_move_constructible, is_nothrow_default_constructible)
+       (is_nothrow_constructible, is_nothrow_copy_constructible)
+       (is_nothrow_move_constructible, is_copy_assignable, is_move_assignable)
+       (is_nothrow_assignable, is_nothrow_copy_assignable)
+       (is_nothrow_move_assignable, is_trivially_constructible)
+       (is_trivially_copy_constructible, is_trivially_move_constructible)
+       is_trivially_assignable, is_trivially_copy_assignable)
+       (is_trivially_move_assignable, is_trivially_destructible)
+       (alignment_of, is_swappable, is_nothrow_swappable, is_invocable)
+       (is_invocable_r, is_nothrow_invocable)
+       (has_unique_object_representations, is_aggregate): Add static_asserts
+       to make sure that type traits are not misused with incomplete types.
+       (__is_constructible_impl, __is_nothrow_default_constructible_impl)
+       (__is_nothrow_constructible_impl, __is_nothrow_assignable_impl): New
+       base characteristics without assertions that can be reused in other
+       traits.
+       * testsuite/20_util/is_complete_or_unbounded/memoization.cc: New test.
+       * testsuite/20_util/is_complete_or_unbounded/memoization_neg.cc: New
+       test.
+       * testsuite/20_util/is_complete_or_unbounded/value.cc: New test.
+       * testsuite/20_util/is_abstract/incomplete_neg.cc: New test.
+       * testsuite/20_util/is_aggregate/incomplete_neg.cc: New test.
+       * testsuite/20_util/is_class/value.cc: Check incomplete type.
+       * testsuite/20_util/is_function/value.cc: Likewise.
+       * testsuite/20_util/is_move_constructible/incomplete_neg.cc: New test.
+       * testsuite/20_util/is_nothrow_move_assignable/incomplete_neg.cc: New
+       test.
+       * testsuite/20_util/is_polymorphic/incomplete_neg.cc: New test.
+       * testsuite/20_util/is_reference/value.cc: Check incomplete types.
+       * testsuite/20_util/is_unbounded_array/value.cc: Likewise.
+       * testsuite/20_util/is_union/value.cc: Likewise.
+       * testsuite/20_util/is_void/value.cc: Likewise.
+       * testsuite/util/testsuite_tr1.h: Add incomplete union type.
+
+2019-05-31  Jonathan Wakely  <jwakely@redhat.com>
+
+       * include/bits/random.h (random_device::_M_init(const char*, size_t)):
+       Add new private member function.
+       * src/c++11/cow-string-inst.cc (random_device::_M_init(const string&))
+       (random_device::_M_init_pretr1(const string&)): Call new private
+       member with string data.
+       * src/c++11/random.cc (random_device::_M_init(const char*, size_t)):
+       Define.
+       * testsuite/26_numerics/random/random_device/cons/default-cow.cc: New
+       test using COW strings.
+       * testsuite/26_numerics/random/random_device/cons/default.cc: Generate
+       a value from the device.
+       * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
+       Fix typo in token string.
+
+2019-05-30  Nina Dinka Ranns  <dinka.ranns@gmail.com>
+
+       LWG2788 basic_string spurious use of a default constructible allocator
+       * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
+       (basic_string::_M_replace_dispatch): Construct temporary string with
+       the current allocator.
+       * testsuite/21_strings/basic_string/allocator/char/lwg2788.cc: New.
+       * testsuite/21_strings/basic_string/allocator/wchar_t/lwg2788.cc: New.
+
+2019-05-30  Jonathan Wakely  <jwakely@redhat.com>
+
+       * doc/xml/manual/diagnostics.xml: Update list of headers that define
+       exception classes.
+       * doc/xml/manual/support.xml: Rewrite advice around NULL. Rewrite
+       section about new/delete overloads. Improve section on verbose
+       terminate handler.
+       * doc/html/*: Regenerate.
+
+       * doc/xml/manual/status_cxx2020.xml: Add feature-test macro for
+       P0811R3. Change status of P1353R0.
+       * doc/html/*: Regenerate.
+
+       * doc/xml/manual/status_cxx2011.xml: Use <variablelist> for
+       documentation of implementation-defined types for [thread.req.native].
+       * doc/xml/manual/status_cxx2017.xml: Update documentation of
+       implementation-defined strings for [variant.bad.access]. Fix typo in
+       documentation of implementation-defined support for [fs.conform.9945].
+       * doc/html/*: Regenerate.
+
+2019-05-29  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/85494
+       * testsuite/26_numerics/random/random_device/cons/token.cc: Fix test
+       that fails on mingw-w64.
+
+       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.
+
+       * src/c++17/fs_path.cc (path::parent_path()): Create whole path at
+       once instead of building it iteratively.
+
+       * testsuite/util/testsuite_api.h: Remove names of unused parameters.
+
+       PR libstdc++/85494 use rdseed and rand_s in std::random_device
+       * acinclude.m4 (GLIBCXX_CHECK_X86_RDSEED): Define macro to check if
+       the assembler supports rdseed.
+       * config.h.in: Regenerate.
+       * configure: Regenerate.
+       * configure.ac: Use GLIBCXX_CHECK_X86_RDSEED.
+       * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_CRT_RAND_S): Define.
+       * doc/html/*: Regenerate.
+       * doc/xml/manual/status_cxx2011.xml: Document new tokens.
+       * include/bits/random.h (random_device::random_device()): Always call
+       _M_init rather than _M_init_pretr1.
+       (random_device::random_device(const string&)): Likewise.
+       (random_device::operator()()): Always call _M_getval().
+       (random_device::_M_file): Replace first member of union with an
+       anonymous struct, with _M_file as its first member.
+       * src/c++11/random.cc [_GLIBCXX_X86_RDRAND] (USE_RDRAND): Define.
+       [_GLIBCXX_X86_RDSEED] (USE_RDSEED): Define.
+       (USE_MT19937): Define if none of the above are defined.
+       (USE_POSIX_FILE_IO): Define.
+       (_M_strtoul): Remove.
+       [USE_RDSEED] (__x86_rdseed): Define new function.
+       [_GLIBCXX_USE_CRT_RAND_S] (__winxp_rand_s): Define new function.
+       (random_device::_M_init(const string&)): Initialize new union members.
+       Add support for "rdseed" and "rand_s" tokens. Decide what the
+       "default" token does according to which USE_* macros are defined.
+       [USE_POSIX_FILE_IO]: Store a file descriptor.
+       [USE_MT19937]: Forward to _M_init_pretr1 instead.
+       (random_device::_M_init_pretr1(const string&)) [USE_MT19937]: Inline
+       code from _M_strtoul.
+       [!USE_MT19937]: Call _M_init, transforming the old default token or
+       numeric tokens to "default".
+       (random_device::_M_fini()) [USE_POSIX_FILE_IO]: Use close not fclose.
+       (random_device::_M_getval()): Use new union members to obtain a
+       random number from the stored function pointer or file descriptor.
+       [USE_MT19937]: Obtain a value from the mt19937 engine.
+       (random_device::_M_getval_pretr1()): Call _M_getval().
+       (random_device::_M_getentropy()) [USE_POSIX_FILE_IO]: Use _M_fd
+       instead of fileno.
+       [!USE_MT19937] (mersenne_twister): Do not instantiate when not needed.
+       * testsuite/26_numerics/random/random_device/85494.cc: New test.
+
+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.
+
+       * testsuite/util/testsuite_fs.h (compare_paths): Use three-argument
+       form of std::equals for C++11 compatibility.
+
+2019-05-26  Gerald Pfeifer  <gerald@pfeifer.com>
+
+       * doc/xml/manual/appendix_contributing.xml: Update pointer to
+       C++ standard at ansi.org.
+
+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".
+
+       * testsuite/20_util/shared_ptr/cons/alias-rval.cc: Fix test.
+       * testsuite/20_util/shared_ptr/cons/alias.cc: Remove unused function.
+
 2019-05-23  Jonathan Wakely  <jwakely@redhat.com>
 
        * testsuite/20_util/function_objects/invoke/1.cc: Move C++17-specific