PR libstdc++/86756 add std::filesystem::path to libstdc++.so
[official-gcc.git] / libstdc++-v3 / ChangeLog
blobdd8939773401579f0ccf7200c42d00414aa13153
1 2019-01-06  Jonathan Wakely  <jwakely@redhat.com>
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.
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.
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.
97 2019-01-05  Jonathan Wakely  <jwakely@redhat.com>
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.
111 2019-01-04  Jonathan Wakely  <jwakely@redhat.com>
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.
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.
151         * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
152         -fno-inline added to test flags.
154         * testsuite/21_strings/basic_string/requirements/
155         explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
157         * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
158         assertion failures with old std::string ABI.
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.
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.
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.
194 2019-01-03  Jonathan Wakely  <jwakely@redhat.com>
195             Jakub Jelinek  <jakub@redhat.com>
197         PR libstdc++/88607
198         * include/experimental/memory: Replace UTF-8 quote characters.
199         * include/std/future: Replace UTF-8 "em dash" characters.
201 2019-01-03  Jonathan Wakely  <jwakely@redhat.com>
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.
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.
223 2019-01-02  Jonathan Wakely  <jwakely@redhat.com>
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.
229         * testsuite/experimental/string_view/element_access/char/empty.cc:
230         Fix year range in copyright header.
232 2019-01-02  Joel Brobecker  <brobecker@adacore.com>
234         * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
235         Fix year range in copyright header.
237 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
239         Update copyright years.
241 Copyright (C) 2019 Free Software Foundation, Inc.
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.