libstdc++-v3/ChangeLog

   1 2019-01-06  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         PR libstdc++/86756
   4         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
   5         typeinfo and vtables less greedy.
   6         (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
   7         * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
   8         * src/c++17/Makefile.in: Regenerate.
   9         * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
  10         here, and change name of included file.
  11         * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
  12         * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
  13         from sources.
  14         * src/filesystem/Makefile.in: Regenerate.
  15         * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
  16         * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
  17         * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
  18         from dg-options and remove dg-require-filesystem-ts.
  19         * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
  20         * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
  21         * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
  22         * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
  23         * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
  24         * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
  25         * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
  26         * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
  27         * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
  28         * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
  29         * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
  30         * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
  31         * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
  32         * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
  33         * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
  34         * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
  35         * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
  36         * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
  37         * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
  38         * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
  39         * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
  40         Likewise.
  41         * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
  42         * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
  43         * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
  44         * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
  45         * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
  46         * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
  47         * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
  48         * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
  49         * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
  50         * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
  51         * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
  52         * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
  53         Likewise.
  54         * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
  55         Likewise.
  56         * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
  57         Likewise.
  58         * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
  59         Likewise.
  60         * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
  61         * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
  62         * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
  63         * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
  64         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
  65         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
  66         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
  67         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
  68         * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
  69         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
  70         Likewise.
  71         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
  72         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
  73         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
  74         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
  75         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
  76
  77         PR libstdc++/87431
  78         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
  79         Check is_trivially_copyable instead of is_scalar.
  80         (variant::emplace<N, Args>(Args&&...)): If construction of the new
  81         contained value can throw and its type is trivially copyable then
  82         construct into a temporary variant and move from it, to provide the
  83         strong exception safety guarantee.
  84         (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
  85         Likewise.
  86         * testsuite/20_util/variant/87431.cc: New test.
  87         * testsuite/20_util/variant/run.cc: Adjust test so that throwing
  88         conversion causes valueless state.
  89
  90         PR libstdc++/88607
  91         * testsuite/17_intro/headers/c++1998/charset.cc: New test.
  92         * testsuite/17_intro/headers/c++2011/charset.cc: New test.
  93         * testsuite/17_intro/headers/c++2014/charset.cc: New test.
  94         * testsuite/17_intro/headers/c++2017/charset.cc: New test.
  95         * testsuite/17_intro/headers/c++2020/charset.cc: New test.
  96
  97 2019-01-05  Jonathan Wakely  <jwakely@redhat.com>
  98
  99         * include/bits/fs_fwd.h (__file_clock): Define new clock.
 100         (file_time_type): Redefine in terms of __file_clock.
 101         * src/filesystem/ops-common.h (file_time): Add FIXME comment about
 102         overflow.
 103         * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
 104         internal linkage.
 105         (internal_file_lock): New helper type for accessing __file_clock.
 106         (do_copy_file): Use internal_file_lock to convert system time to
 107         file_time_type.
 108         (last_write_time(const path&, error_code&)): Likewise.
 109         (last_write_time(const path&, file_time_type, error_code&)): Likewise.
 110
 111 2019-01-04  Jonathan Wakely  <jwakely@redhat.com>
 112
 113         * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
 114         for const member functions of std::basic_string.
 115         (GLIBCXX_3.4.26): Export member functions of std::basic_string added
 116         in C++17.
 117         * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
 118         Make non-standard constructor private.
 119         [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
 120         Likewise.
 121         * include/bits/basic_string.tcc (std::string, std::wstring): Declare
 122         explicit instantiations for C++17 as well as earlier dialects.
 123         * src/c++17/Makefile.am: Add new source files.
 124         * src/c++17/Makefile.in: Regenerate.
 125         * src/c++17/cow-string-inst.cc: New file defining explicit
 126         instantiations for basic_string member functions added in C++17.
 127         * src/c++17/string-inst.cc: Likewise.
 128
 129         * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
 130         copy/move constructors for old std::basic_string.
 131         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
 132         (basic_string::reference, basic_string::const_reference): Define
 133         as plain references for C++11 and later.
 134         (basic_string::basic_string()): Put constructor body outside
 135         preprocessor conditional groups.
 136         (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
 137         instead of copying it.
 138         (basic_string::basic_string(const basic_string&, const _Alloc&)):
 139         Define.
 140         (basic_string::basic_string(basic_string&&, const _Alloc&)):
 141         Define.
 142         * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
 143         cases for old basic_string.
 144         * testsuite/21_strings/basic_string/cons/char/8.cc: Test
 145         allocator-extended constructors unconditionally. Add extra members to
 146         allocator type when using old string ABI.
 147         * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
 148         for old string ABI.
 149         * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
 150
 151         * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
 152         -fno-inline added to test flags.
 153
 154         * testsuite/21_strings/basic_string/requirements/
 155         explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
 156
 157         * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
 158         assertion failures with old std::string ABI.
 159
 160         * include/bits/fs_path.h (path::_List::erase): Replace both overloads
 161         with ...
 162         (path::pop_back(), path::_M_erase_from(const_iterator)): New member
 163         functions that will only erase elements at the end.
 164         * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
 165         (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
 166         (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
 167         of erase(p, end()).
 168         (path::_List::pop_back()): Define.
 169         (path::_List::_M_erase_from(const_iterator)): Define.
 170         (path::operator/=(const path&)): Use pop_back to remove last component
 171         and _M_erase_from to remove multiple components.
 172         (path::_M_append(basic_string_view<value_type>)): Likewise.
 173         (path::operator+=(const path&)): Likewise.
 174         (path::_M_concat(basic_string_view<value_type>)): Likewise.
 175         (path::remove_filename()): Likewise.
 176         (path::lexically_normal()): Use _List::_Impl iterators instead of
 177         path::iterator. Use pop_back to remove components from the end. Clear
 178         trailing filename, instead of using erase(const_iterator) to remove
 179         a non-final component.
 180         * testsuite/27_io/filesystem/path/generation/normal.cc: Test
 181         additional cases.
 182         * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
 183
 184         * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
 185         incorrect treatment of empty filename after trailing slash.
 186         * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
 187
 188         * testsuite/21_strings/basic_string/modifiers/assign/char/
 189         move_assign_optim.cc: Avoid spurious failure when -fno-inline added
 190         to test flags.
 191         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
 192         move_assign_optim.cc: Likewise.
 193
 194 2019-01-03  Jonathan Wakely  <jwakely@redhat.com>
 195             Jakub Jelinek  <jakub@redhat.com>
 196
 197         PR libstdc++/88607
 198         * include/experimental/memory: Replace UTF-8 quote characters.
 199         * include/std/future: Replace UTF-8 "em dash" characters.
 200
 201 2019-01-03  Jonathan Wakely  <jwakely@redhat.com>
 202
 203         PR libstdc++/88607
 204         * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
 205         * include/debug/forward_list: Likewise.
 206         * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
 207         character.
 208         * include/experimental/chrono: Likewise.
 209         * include/experimental/functional: Likewise.
 210         * include/experimental/ratio: Likewise.
 211         * include/experimental/system_error: Likewise.
 212         * include/experimental/tuple: Likewise.
 213         * include/experimental/type_traits: Likewise.
 214         * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
 215         * include/parallel/multiseq_selection.h: Likewise.
 216
 217         PR libstdc++/88681
 218         * config/abi/pre/gnu.ver: Add missing exports.
 219         * testsuite/22_locale/collate_byname/88681.cc: New test.
 220         * testsuite/22_locale/time_get/get/char/88681.cc: New test.
 221         * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
 222
 223 2019-01-02  Jonathan Wakely  <jwakely@redhat.com>
 224
 225         * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
 226         initializer_list<value_type> and from input iterator ranges.
 227         * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
 228
 229         * testsuite/experimental/string_view/element_access/char/empty.cc:
 230         Fix year range in copyright header.
 231
 232 2019-01-02  Joel Brobecker  <brobecker@adacore.com>
 233
 234         * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
 235         Fix year range in copyright header.
 236
 237 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 238
 239         Update copyright years.
 240 \f
 241 Copyright (C) 2019 Free Software Foundation, Inc.
 242
 243 Copying and distribution of this file, with or without modification,
 244 are permitted in any medium without royalty provided the copyright
 245 notice and this notice are preserved.