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c677a9d7 12019-02-14 Jonathan Wakely <jwakely@redhat.com>
2
99d130bf 3 * configure.ac: Check for C11 timespec_get function.
4 * crossconfig.m4 (freebsd, linux, gnu, cygwin, solaris, netbsd)
5 (openbsd): Likewise
6 * config.h.in: Regenerate.
7 * configure: Regenerate.
8 * include/c_global/ctime (timespec, timespec_get): Add to namespace
9 std for C++17 and up.
10
48772ec3 11 * doc/xml/manual/intro.xml: Document LWG 2537 status.
12 * include/bits/stl_queue.h
13 (priority_queue(const Compare&, const Container&, const Alloc&))
14 (priority_queue(const Compare&, Container&&, const Alloc&)): Call
15 make_heap.
16 * testsuite/23_containers/priority_queue/dr2537.cc: New test.
17
ee32dd64 18 * doc/xml/manual/intro.xml: Document LWG 2566 status.
19 * include/bits/stl_queue.h (queue, priority_queue): Add static
20 assertions to enforce LWG 2566 requirement on value_type.
21 * include/bits/stl_stack.h (stack): Likewise.
22
9724de38 23 PR middle-end/89303
24 * testsuite/20_util/enable_shared_from_this/89303.cc: New test.
25
c677a9d7 26 * doc/xml/manual/intro.xml: Document LWG 2735 status.
27 * include/bits/std_abs.h: Add comment about LWG 2735.
28 * testsuite/26_numerics/headers/cstdlib/dr2735.cc: New test.
29
4194f872 302019-02-13 Jonathan Wakely <jwakely@redhat.com>
31
32 PR libstdc++/89345
33 * include/std/version [__cpp_impl_destroying_delete]
34 (__cpp_lib_destroying_delete): Only define for C++2a and later.
35 * libsupc++/new [__cpp_impl_destroying_delete]
36 (__cpp_lib_destroying_delete): Likewise.
37 (destroying_delete_t, destroying_delete): Likewise, but define even
38 when __cpp_impl_destroying_delete is not defined.
39 * testsuite/18_support/destroying_delete.cc: New test.
40
aaacaee2 412019-02-11 Jonathan Wakely <jwakely@redhat.com>
42
43 PR libstdc++/89023
44 * testsuite/17_intro/headers/c++2011/parallel_mode.cc: New test.
45 * testsuite/17_intro/headers/c++2014/parallel_mode.cc: New test.
46 * testsuite/17_intro/headers/c++2017/parallel_mode.cc: New test.
47 * testsuite/28_regex/headers/regex/parallel_mode.cc: Remove.
48
5256b0dd 492019-02-09 Jonathan Wakely <jwakely@redhat.com>
50
51 PR libstdc++/71044
52 * include/bits/fs_path.h (path::has_root_name)
53 (path::has_root_directory, path::has_root_path)
54 (path::has_relative_path, path::has_parent_path)
55 (path::has_filename, path::has_stem, path::has_extension)
56 (path::is_absolute, path::is_relative, path::_M_find_extension): Add
57 noexcept.
58 * src/c++17/fs_path.cc (path::has_root_name)
59 (path::has_root_directory, path::has_root_path)
60 (path::has_relative_path, path::has_parent_path)
61 (path::has_filename, path::_M_find_extension): Add noexcept.
62
e32f625e 632019-02-06 Jonathan Wakely <jwakely@redhat.com>
64
65 PR libstdc++/89102 (partial)
66 * include/std/type_traits (common_type<>): Define.
67 (common_type<T>): Derive from common_type<T, T>.
68 * testsuite/20_util/common_type/requirements/explicit_instantiation.cc:
69 Test zero-length template argument list.
70 * testsuite/20_util/common_type/requirements/sfinae_friendly_1.cc:
71 Test additional single argument cases.
72 * testsuite/20_util/common_type/requirements/sfinae_friendly_2.cc:
73 Adjust expected error.
74
b03489db 752019-02-05 Jonathan Wakely <jwakely@redhat.com>
76
e89e4fec 77 PR libstdc++/89128
78 * include/bits/stl_queue.h (queue, priority_queue): Add deduction
79 guides.
80 * include/bits/stl_stack.h (stack): Likewise.
81 * testsuite/23_containers/priority_queue/deduction.cc: New test.
82 * testsuite/23_containers/queue/deduction.cc: New test.
83 * testsuite/23_containers/stack/deduction.cc: New test.
84
b640dd11 85 PR libstdc++/89194
86 * include/std/type_traits (__is_convertible_helper)
87 (__is_convertible_helper<_From, _To, false>): Revert changes to
88 support is_nothrow_convertible.
89 (__is_nt_convertible_helper): New helper.
90 (is_nothrow_convertible): Use __is_nt_convertible_helper.
91
74c88c5f 92 * testsuite/23_containers/vector/modifiers/push_back/49836.cc: Restore
93 use of CopyConsOnlyType, but also test DelAnyAssign for completeness.
94
eca5e8d4 95 PR libstdc++/89130
96 * include/bits/alloc_traits.h (__is_copy_insertable_impl): Rename to
97 __is_alloc_insertable_impl. Replace single type member with two
98 members, one for each of copy and move insertable.
99 (__is_move_insertable): New trait for internal use.
100 * include/bits/stl_vector.h (vector::_S_nothrow_relocate(true_type))
101 (vector::_S_nothrow_relocate(true_type)): New functions to
102 conditionally check if __relocate_a can throw.
103 (vector::_S_use_relocate()): Dispatch to _S_nothrow_relocate based
104 on __is_move_insertable.
105 (vector::_S_do_relocate): New overloaded functions to conditionally
106 call __relocate_a.
107 (vector::_S_relocate): New function that dispatches to _S_do_relocate
108 based on _S_use_relocate.
109 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
110 (vector::_M_default_append): Call _S_relocate instead of __relocate_a.
111 * testsuite/23_containers/vector/modifiers/push_back/89130.cc: New.
112
b03489db 113 PR libstdc++/89090
114 * include/bits/stl_uninitialized.h (__relocate_a_1): Make unused
115 parameter unnamed. Add message to static assertion.
116 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
117 (vector::_M_default_append): Use _GLIBCXX17_CONSTEXPR for if constexpr
118 in C++11 code.
119
71625a15 1202019-02-05 Marc Glisse <marc.glisse@inria.fr>
121
122 PR libstdc++/87106
123 * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
124 Rename...
125 (__is_bitwise_relocatable): ... to this.
126 (__relocate_a_1): Adapt.
127 * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
128 (__is_bitwise_relocatable): ... to this.
129
e7b22e58 1302019-01-30 Jonathan Wakely <jwakely@redhat.com>
131
132 PR libstdc++/89117
133 * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
134 final component as well as from _M_pathname. Append the dot using
135 operator+= instead of only to _M_pathname.
136 (path::_M_find_extension): Reformat slightly.
137 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
138 Add more test cases.
139
dae923a7 1402019-01-30 Ulrich Drepper <drepper@redhat.com>
141
142 * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
143
710397ad 1442019-01-29 Jonathan Wakely <jwakely@redhat.com>
145
5efc4356 146 * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
147 constexpr specifiers from arg and proj.
148
5f15e718 149 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
150 __shared_ptr instantiations used by gcc4-compatible ABI.
151
307e86fc 152 * include/experimental/forward_list (experimental::erase): Qualify
153 call to erase_if.
154 * include/experimental/list (experimental::erase): Likewise.
155 * include/std/forward_list (std::erase): Likewise.
156 * include/std/list (std::erase): Likewise.
157
38129d1a 158 * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
159 C++2a.
160 * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
161 * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
162 * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
163 * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
164 * testsuite/ext/array_allocator/26875.cc: Likewise.
165 * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
166 * testsuite/util/replacement_memory_operators.h: Likewise.
167 * testsuite/util/testsuite_allocator.h: Likewise.
168
710397ad 169 * include/std/memory_resource (__pool_resource::_M_unpooled): Use
170 normal mode vector, even for debug mode.
171 * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
172 Define alias template for normal mode vector.
173
70f71249 1742019-01-28 Jonathan Wakely <jwakely@redhat.com>
175
176 PR libstdc++/68737
177 * config/locale/generic/c_locale.h (__convert_from_v)
178 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
179 * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
180 * include/bits/locale_facets.tcc (num_put::_M_insert_float)
181 [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
182
f1074115 1832019-01-24 Jonathan Wakely <jwakely@redhat.com>
184
4bc4fd90 185 PR libstdc++/88840
186 * include/bits/stl_vector.h (vector::__use_relocate): Replace static
187 data member with static member function _S_use_relocate().
188 * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
189 (vector::_M_default_append): Use _S_use_relocate() instead of
190 __use_relocate.
191
f1074115 192 * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
193 sign of results.
194
1c4657a3 1952019-01-22 Jonathan Wakely <jwakely@redhat.com>
196
197 PR libstdc++/88740
198 * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
199 write to stderr instead of using printf.
200
dafe8c59 2012019-01-21 Jakub Jelinek <jakub@redhat.com>
202
203 PR libstdc++/86590
204 * include/bits/char_traits.h (__constant_string_p,
205 __constant_char_array_p): Use __builtin_is_constant_evaluated if
206 available.
207
eaf966f3 2082019-01-20 Ulrich Drepper <drepper@redhat.com>
209
210 Implement C++20 P0600r1.
211 * include/backward/hash_map: Add nodiscard attribute to empty.
212 * include/backward/hash_set: Likewise.
213 * backward/hashtable.h: Likewise.
214 * include/bits/basic_string.h: Likewise.
215 * include/bits/forward_list.h: Likewise.
216 * include/bits/hashtable.h: Likewise.
217 * include/bits/regex.h: Likewise.
218 * include/bits/stl_deque.h: Likewise.
219 * include/bits/stl_list.h: Likewise.
220 * include/bits/stl_map.h: Likewise.
221 * include/bits/stl_multimap.h: Likewise.
222 * include/bits/stl_multiset.h: Likewise.
223 * include/bits/stl_queue.h: Likewise.
224 * include/bits/stl_set.h: Likewise.
225 * include/bits/stl_stack.h: Likewise.
226 * include/bits/stl_tree.h: Likewise.
227 * include/bits/stl_vector.h: Likewise.
228 * include/bits/unordered_map.h: Likewise.
229 * include/bits/unordered_set.h: Likewise.
230 * include/debug/array: Likewise.
231 * include/experimental/any: Likewise.
232 * include/experimental/bits/fs_path.h: Likewise.
233 * include/experimental/internet: Likewise.
234 * include/experimental/string_view: Likewise.
235 * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
236 Likewise.
237 * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
238 Likewise.
239 * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
240 Likewise.
241 * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
242 Likewise.
243 * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
244 Likewise.
245 * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
246 Likewise.
247 * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
248 Likewise.
249 * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
250 Likewise.
251 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
252 info_fn_imps.hpp: Likewise.
253 * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
254 left_child_next_sibling_heap_.hpp: Likewise.
255 * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
256 Likewise.
257 * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
258 Likewise.
259 * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
260 Likewise.
261 * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
262 Likewise.
263 * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
264 Likewise.
265 * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
266 Likewise.
267 * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
268 Likewise.
269 * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
270 * include/ext/pb_ds/trie_policy.hpp: Likewise.
271 * include/ext/rope: Likewise.
272 * include/ext/slist: Likewise.
273 * include/ext/vstring.h: Likewise.
274 * include/profile/array: Likewise.
275 * include/std/array: Likewise.
276 * include/tr1/array: Likewise.
277 * include/tr1/hashtable.h: Likewise.
278 * include/tr1/regex: Likewise.
279 * include/tr2/dynamic_bitset: Likewise.
280 * include/bits/alloc_traits.h: Add nodiscard attribute to
281 allocate.
282 * include/experimental/memory_resource: Likewise.
283 * include/ext/alloc_traits.h: Likewise.
284 * include/ext/array_allocator.h: Likewise.
285 * include/ext/bitmap_allocator.h: Likewise.
286 * include/ext/debug_allocator.h: Likewise.
287 * include/ext/extptr_allocator.h: Likewise.
288 * include/ext/mt_allocator.h: Likewise.
289 * include/ext/new_allocator.h: Likewise.
290 * include/ext/pool_allocator.h: Likewise.
291 * include/ext/throw_allocator.h: Likewise.
292 * include/std/scoped_allocator: Likewise.
293 * libsupc++/eh_alloc.cc: Likewise.
294 * include/std/future: Add nodiscard attribute to async.
295 * libsupc++/new: Add nodiscard attribute to new.
296
3c1c2a8c 2972019-01-18 Jonathan Wakely <jwakely@redhat.com>
298
299 PR libstdc++/87514
300 PR libstdc++/87520
301 PR libstdc++/88782
302 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
303 * include/bits/shared_ptr.h
304 (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
305 (allocate_shared): Change to use new tag type.
306 * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
307 Declare new member function.
308 (_Sp_alloc_shared_tag): Define new type.
309 (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
310 (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
311 _Sp_make_shared_tag::_S_eq to check type_info.
312 (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
313 Constrain to prevent being called with _Sp_alloc_shared_tag.
314 (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
315 Replace constructor with ...
316 (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
317 reference parameter so address of the new object can be returned to
318 the caller. Obtain the allocator from the tag type.
319 (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
320 constructor with ...
321 (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
322 to the __shared_count constructor.
323 (__allocate_shared): Change to use new tag type.
324 * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
325
21a962b2 3262019-01-17 Jonathan Wakely <jwakely@redhat.com>
327
464ac146 328 * src/c++17/fs_ops.cc
329 (equivalent(const path&, const path&, error_code&))
330 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
331 compare files instead of relying on incomplete info returned by stat.
332
2987a93d 333 PR libstdc++/88884
334 * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
335 if the path is already absolute.
336 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
337 [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
338
21a962b2 339 PR libstdc++/88881
340 * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
341 [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
342 of filesystem::exists.
343 (create_directories(const path&, error_code&)): Add assertions.
344 (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
345 Add workaround for bug in _wstat for paths with trailing slash.
346 * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
347 for expected behaviour on mingw.
348 * testsuite/experimental/filesystem/operations/create_directories.cc:
349 Likewise.
350 * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
351 "TMP" instead of "TMPDIR" and clean environment before each test. Do
352 not test permissions on mingw targets.
353
93478c9f 3542019-01-16 Jonathan Wakely <jwakely@redhat.com>
355
356 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
357 constructors and open members taking wide strings. Fix patterns for
358 filesystem::path members to match wstring_view parameters. Add
359 exports for shared_ptr members used by directory iterators.
360 * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
361 error code parameter if the file doesn't exist.
362 * src/filesystem/ops.cc (remove(const path&, error_code&)):
363 Likewise.
364 * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
365 values for mingw targets, where "/" is not an absolute path. Do not
366 test symlinks on mingw targets.
367 * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
368 * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
369 on mingw targets.
370 * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
371 * testsuite/27_io/filesystem/operations/create_directories.cc: Check
372 that each component of the path is created.
373 * testsuite/experimental/filesystem/operations/create_directories.cc:
374 Likewise.
375 * testsuite/27_io/filesystem/operations/exists.cc: Do not test
376 permissions on mingw targets.
377 * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
378 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
379 * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
380 * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
381 mingw targets.
382 * testsuite/experimental/filesystem/operations/permissions.cc:
383 Likewise.
384 * testsuite/27_io/filesystem/operations/remove.cc: Do not test
385 symlinks or permissions on mingw targets.
386 * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
387 * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
388 symlinks on mingw targets.
389 * testsuite/experimental/filesystem/operations/remove_all.cc:
390 Likewise.
391 * testsuite/27_io/filesystem/operations/status.cc: Do not test
392 permissions on mingw targets.
393 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
394 test symlinks on mingw targets.
395 * testsuite/experimental/filesystem/operations/space.cc: Fix test
396 for mingw targets.
397
af93b844 3982019-02-14 Ulrich Drepper <drepper@redhat.com>
399
400 PR libstdc++/88738
401 Warn about unused comparisons of shared_ptr/unique_ptr
402 * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
403 * include/bits/shared_ptr.h: Use it for operator ==, !=,
404 <, <=, >, >= for shared_ptr.
405 * include/bits/unique_ptr.h: Likewise for unique_ptr.
406
8793c0de 4072019-01-15 Jonathan Wakely <jwakely@redhat.com>
408
afa61572 409 * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
410 as 201611L, because P0497R0 changes are supported.
411 * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
412
feb89906 413 * include/bits/erase_if.h [__cplusplus > 201703L]
414 (__cpp_lib_erase_if): Only define for C++2a.
415 * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
416 (__cpp_lib_null_iterators): Define.
417 * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
418 (__cpp_lib_null_iterators): Define.
419 [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
420
d253bcb1 421 * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
422 status.
423 * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
424 Define.
425 * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
426 changes are supported.
427 * include/std/optional (__cpp_lib_optional): Likewise.
428 * include/std/variant (__cpp_lib_variant): Likewise.
429 * include/std/version [!__STRICT_ANSI__]
430 (__cpp_lib_uncaught_exceptions): Define as long integer.
431 [__cplusplus >= 201703L] (__cpp_lib_any)
432 (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
433 (__cpp_lib_variant): Define for C++17.
434 [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
435 as long integer.
436 * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
437 integer.
438
8793c0de 439 * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
440
a8cd4b2b 4412019-01-12 Jonathan Wakely <jwakely@redhat.com>
442
443 PR libstdc++/88811
444 PR libstdc++/83306
445 * src/filesystem/path.cc: Fix typo. If first path is empty, show []
446 before second path.
447 * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
448 test.
449
a5b1332c 4502019-01-11 Jonathan Wakely <jwakely@redhat.com>
451
656ac8b7 452 * doc/xml/manual/intro.xml: Include new section.
453 * doc/xml/manual/status_cxx2017.xml: Document more
454 implementation-defined properties of the library.
455 * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
456 * doc/html/*: Regenerate.
457
f5480b8c 458 * include/bits/refwrap.h [__cplusplus > 201703L]
459 (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
460 (_Reference_wrapper_base_memfun): Do not define for C++2a.
461 (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
462 for C++2a.
463 (reference_wrapper::operator()): Add static assertion.
464 * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
465
36496c4d 466 * include/std/chrono (duration_values::zero(), duration_values::min())
467 (duration_values::max()): Add noexcept.
468 (duration::zero(), duration::min(), duration::max()): Likewise.
469 (time_point::zero(), time_point::min(), time_point::max()): Likewise.
470 * testsuite/20_util/duration/requirements/noexcept.cc: New test.
471 * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
472
a5b1332c 473 * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
474
d9de68bc 4752019-01-11 Jakub Jelinek <jakub@redhat.com>
476
477 * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
478 * include/std/version (__cpp_lib_is_constant_evaluated): Define.
479
beb370cb 4802019-01-11 Jonathan Wakely <jwakely@redhat.com>
481
1d628fd4 482 PR libstdc++/88802
483 * include/bits/functional_hash.h (hash<nullptr_t>): Define
484 specialization for C++17 (P0513R0, LWG 2817).
485 * testsuite/20_util/hash/nullptr.cc: New test.
486
a18b3766 487 PR libstdc++/88125
488 * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
489 pattern for std::basic_stringbuf::str().
490
beb370cb 491 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
492 basic_ostream::operator<< patterns.
493
cbbb35ec 4942019-01-10 Jonathan Wakely <jwakely@redhat.com>
495
1715824b 496 * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
497 test failures on targets with 32-bit time_t.
498
f5529091 499 * include/bits/erase_if.h: Define __cpp_lib_erase_if.
500 * include/std/deque: Likewise.
501 * include/std/forward_list: Likewise.
502 * include/std/list: Likewise.
503 * include/std/string: Likewise.
504 * include/std/vector: Likewise.
505 * include/std/version: Likewise.
506 * testsuite/21_strings/basic_string/erasure.cc: Test macro.
507 * testsuite/23_containers/deque/erasure.cc: Likewise.
508 * testsuite/23_containers/forward_list/erasure.cc: Likewise.
509 * testsuite/23_containers/list/erasure.cc: Likewise.
510 * testsuite/23_containers/map/erasure.cc: Likewise.
511 * testsuite/23_containers/set/erasure.cc: Likewise.
512 * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
513 * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
514 * testsuite/23_containers/vector/erasure.cc: Likewise.
515
cbbb35ec 516 * include/experimental/internet [AI_NUMERICSERV]
517 (resolver_base::numeric_service): Define conditionally.
518 * testsuite/experimental/net/internet/resolver/base.cc: Test it
519 conditionally.
520 * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
521 Likewise.
522
ac9a8436 5232019-01-10 Ville Voutilainen <ville.voutilainen@gmail.com>
524 Jonathan Wakely <jwakely@redhat.com>
525
526 Implement LWG 2221
527 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
528 (GLIBCXX_3.4.26): Add new exports.
529 * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
530 correct list of sources.
531 * include/Makefile.in: Regenerate.
532 * include/std/ostream (operator<<(nullptr_t)): New member function.
533 * src/c++17/ostream-inst.cc: New file.
534 * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
535 test.
536
5f027941 5372019-01-10 Jonathan Wakely <jwakely@redhat.com>
538
539 * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
540 of the source file containing the caller.
541 * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
542 directories created by test.
543 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
544 Likewise.
545 * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
546 Likewise.
547 * testsuite/experimental/filesystem/iterators/
548 recursive_directory_iterator.cc: Likewise.
549
3273d2e6 5502019-01-10 Jakub Jelinek <jakub@redhat.com>
551
552 PR tree-optimization/88775
553 * include/bits/stl_function.h (greater<_Tp*>::operator(),
554 less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
555 less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
556 instead of __builtin_constant_p if available. Don't bother with
557 the pointer comparison in C++11 and earlier.
558
f4d3c071 5592019-01-09 Sandra Loosemore <sandra@codesourcery.com>
560
561 PR other/16615
562
563 * include/ext/bitmap_allocator.h: Mechanically replace "can not"
564 with "cannot".
565
8eba10af 5662019-01-09 Jonathan Wakely <jwakely@redhat.com>
567
6a6ade9f 568 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
569 for filesystem::path. Give variables more distinctive names.
570
41cda271 571 * include/std/optional (_Optional_payload_base::_M_copy_assign): New
572 member function to perform non-trivial assignment.
573 (_Optional_payload_base::_M_move_assign): Likewise.
574 (_Optional_payload<T, true, false, true>::operator=)
575 (_Optional_payload<T, true, true, false>::operator=)
576 (_Optional_payload<T, true, false, false>::operator=): Call
577 _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
578
8eba10af 579 PR libstdc++/88204
580 * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
581 test std::complex<long double> if long double format is IBM128.
582 * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
583 Likewise.
584
64a50f48 5852019-01-08 Jonathan Wakely <jwakely@redhat.com>
586
73f3ad16 587 * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
588 for old std::unique_ptr layout.
589 * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
590 to become valueless. Add filesystem::path tests.
591
58e897da 592 PR libstdc++/87855
593 * include/std/optional (_Optional_payload_base): New class template
594 for common code hoisted from _Optional_payload specializations. Use
595 a template for the union, to allow a partial specialization for
596 types with non-trivial destructors. Add constructors for in-place
597 initialization to the union.
598 (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
599 to perform non-trivial copy construction, instead of relying on
600 non-standard copy elision in a delegating constructor.
601 (_Optional_payload(bool, _Optional_payload&&)): Likewise for
602 non-trivial move construction.
603 (_Optional_payload): Derive from _Optional_payload_base and use it
604 for everything except the non-trivial assignment operators, which are
605 defined as needed.
606 (_Optional_payload<false, C, M>): Derive from the specialization
607 _Optional_payload<true, false, false> and add a destructor.
608 (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
609 Forward to corresponding members of _Optional_payload.
610 (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
611 Hoist common members from _Optional_base.
612 (_Optional_base): Make all members and base class public.
613 (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
614 _Optional_base_impl.
615 * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
616 support for new std::optional layout.
617 * testsuite/libstdc++-prettyprinters/compat.cc: New test.
618
64a50f48 619 PR libstdc++/88066
620 * include/bits/locale_conv.h: Use <> for includes not "".
621 * include/ext/random: Likewise.
622 * include/ext/vstring.h: Likewise.
623
95b40931 6242019-01-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
625
626 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
627 (GLIBCXX_3.4.21): Likewise.
628
fa00ec77 6292019-01-08 Jonathan Wakely <jwakely@redhat.com>
630
631 PR libstdc++/88749
632 * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
633 to match the one that controls whether utimbuf and utime are declared.
634
3f304b2d 6352019-01-07 Jonathan Wakely <jwakely@redhat.com>
636
fc6ac813 637 PR libstdc++/87787
638 * include/bits/char_traits.h (char_traits::move): Do not pass null
639 pointers to memmove.
640 * include/bits/locale_facets.h
641 (ctype<char>::widen(const char*, const char*, char*)): Do not
642 pass null pointers to memcpy.
643 (ctype<char>::narrow(const char*, const char*, char, char*)):
644 Likewise.
645 (ctype<char>::do_widen(const char*, const char*, char*)):
646 Likewise.
647 (ctype<char>::do_narrow(const char*, const char*, char, char*)):
648 Likewise.
649
bbc66c45 650 * doc/xml/manual/spine.xml: Update copyright years.
651 * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
652 * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
653 for C++17 filesystem library.
654 * doc/html/*: Regenerate.
655
3f304b2d 656 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
657 * config.h.in: Regenerate.
658 * config/abi/pre/gnu.ver: Order patterns for filesystem operations
659 alphabetically and add missing entries for copy_symlink,
660 hard_link_count, rename, and resize_file.
661 * configure: Regenerate.
662 * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
663 used unconditionally.
664 * src/filesystem/ops-common.h (__gnu_posix::truncate)
665 [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
666 supports truncating to zero length.
667 * testsuite/27_io/filesystem/operations/all.cc: New test.
668 * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
669
0ebb0980 6702019-01-06 Jonathan Wakely <jwakely@redhat.com>
671
3935f409 672 PR libstdc++/86756
673 * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
674 lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
675 * config.h.in: Regenerate.
676 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
677 remaining std::filesystem types and functions.
678 * configure: Regenerate.
679 * src/c++17/Makefile.am: Add C++17 filesystem sources.
680 * src/c++17/Makefile.in: Regenerate.
681 * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
682 here, and change name of included file.
683 * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
684 here, and change name of included file.
685 * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
686 path to dir-common.h.
687 * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
688 path to ops-common.h. Disable -Wunused-parameter warnings.
689 (internal_file_clock): Define unconditionally.
690 [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
691 define.
692 (do_copy_file, do_space): Move definitions to ops.common.h.
693 (copy, file_size, hard_link_count, last_write_time, space): Only
694 perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
695 report an error.
696 (last_write_time, read_symlink): Remove unused attributes from
697 parameters.
698 * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
699 * src/filesystem/Makefile.in: Regenerate.
700 * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
701 * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
702 * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
703 * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
704 * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
705 dummy types and functions instead of using #error.
706 * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
707 * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
708 in terms of stat.
709 [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
710 (do_copy_file, do_space): Move definitions here from std-ops.cc.
711 * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
712 to account for new namespace.
713 * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
714 -lstdc++fs from dg-options.
715 * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
716 * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
717 * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
718 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
719 * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
720 Likewise.
721 * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
722 * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
723 Likewise.
724 * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
725 * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
726 * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
727 * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
728 * testsuite/27_io/filesystem/operations/create_directories.cc:
729 Likewise.
730 * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
731 * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
732 * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
733 * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
734 * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
735 * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
736 * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
737 * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
738 * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
739 * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
740 * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
741 * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
742 * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
743 * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
744 * testsuite/27_io/filesystem/operations/space.cc: Likewise.
745 * testsuite/27_io/filesystem/operations/status.cc: Likewise.
746 * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
747 * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
748 Likewise.
749 * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
750
751
c6e37a9f 752 PR libstdc++/86756
753 * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
754 typeinfo and vtables less greedy.
755 (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
756 * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
757 * src/c++17/Makefile.in: Regenerate.
758 * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
759 here, and change name of included file.
760 * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
761 * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
762 from sources.
763 * src/filesystem/Makefile.in: Regenerate.
764 * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
765 * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
766 * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
767 from dg-options and remove dg-require-filesystem-ts.
768 * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
769 * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
770 * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
771 * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
772 * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
773 * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
774 * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
775 * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
776 * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
777 * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
778 * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
779 * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
780 * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
781 * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
782 * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
783 * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
784 * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
785 * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
786 * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
787 * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
788 * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
789 Likewise.
790 * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
791 * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
792 * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
793 * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
794 * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
795 * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
796 * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
797 * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
798 * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
799 * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
800 * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
801 * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
802 Likewise.
803 * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
804 Likewise.
805 * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
806 Likewise.
807 * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
808 Likewise.
809 * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
810 * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
811 * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
812 * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
813 * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
814 * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
815 * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
816 * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
817 * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
818 * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
819 Likewise.
820 * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
821 * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
822 * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
823 * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
824 * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
825
8815ac91 826 PR libstdc++/87431
827 * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
828 Check is_trivially_copyable instead of is_scalar.
829 (variant::emplace<N, Args>(Args&&...)): If construction of the new
830 contained value can throw and its type is trivially copyable then
831 construct into a temporary variant and move from it, to provide the
832 strong exception safety guarantee.
833 (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
834 Likewise.
835 * testsuite/20_util/variant/87431.cc: New test.
836 * testsuite/20_util/variant/run.cc: Adjust test so that throwing
837 conversion causes valueless state.
838
0ebb0980 839 PR libstdc++/88607
840 * testsuite/17_intro/headers/c++1998/charset.cc: New test.
841 * testsuite/17_intro/headers/c++2011/charset.cc: New test.
842 * testsuite/17_intro/headers/c++2014/charset.cc: New test.
843 * testsuite/17_intro/headers/c++2017/charset.cc: New test.
844 * testsuite/17_intro/headers/c++2020/charset.cc: New test.
845
adc6beee 8462019-01-05 Jonathan Wakely <jwakely@redhat.com>
847
848 * include/bits/fs_fwd.h (__file_clock): Define new clock.
849 (file_time_type): Redefine in terms of __file_clock.
850 * src/filesystem/ops-common.h (file_time): Add FIXME comment about
851 overflow.
852 * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
853 internal linkage.
854 (internal_file_lock): New helper type for accessing __file_clock.
855 (do_copy_file): Use internal_file_lock to convert system time to
856 file_time_type.
857 (last_write_time(const path&, error_code&)): Likewise.
858 (last_write_time(const path&, file_time_type, error_code&)): Likewise.
859
6b4a77f2 8602019-01-04 Jonathan Wakely <jwakely@redhat.com>
861
98185b9f 862 * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
863 for const member functions of std::basic_string.
864 (GLIBCXX_3.4.26): Export member functions of std::basic_string added
865 in C++17.
866 * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
867 Make non-standard constructor private.
868 [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
869 Likewise.
870 * include/bits/basic_string.tcc (std::string, std::wstring): Declare
871 explicit instantiations for C++17 as well as earlier dialects.
872 * src/c++17/Makefile.am: Add new source files.
873 * src/c++17/Makefile.in: Regenerate.
874 * src/c++17/cow-string-inst.cc: New file defining explicit
875 instantiations for basic_string member functions added in C++17.
876 * src/c++17/string-inst.cc: Likewise.
877
859e6fed 878 * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
879 copy/move constructors for old std::basic_string.
880 * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
881 (basic_string::reference, basic_string::const_reference): Define
882 as plain references for C++11 and later.
883 (basic_string::basic_string()): Put constructor body outside
884 preprocessor conditional groups.
885 (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
886 instead of copying it.
887 (basic_string::basic_string(const basic_string&, const _Alloc&)):
888 Define.
889 (basic_string::basic_string(basic_string&&, const _Alloc&)):
890 Define.
891 * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
892 cases for old basic_string.
893 * testsuite/21_strings/basic_string/cons/char/8.cc: Test
894 allocator-extended constructors unconditionally. Add extra members to
895 allocator type when using old string ABI.
896 * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
897 for old string ABI.
898 * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
899
e13f6a7f 900 * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
901 -fno-inline added to test flags.
902
a18fccd0 903 * testsuite/21_strings/basic_string/requirements/
904 explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
905
7f77ca07 906 * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
907 assertion failures with old std::string ABI.
908
9346fb0e 909 * include/bits/fs_path.h (path::_List::erase): Replace both overloads
910 with ...
911 (path::pop_back(), path::_M_erase_from(const_iterator)): New member
912 functions that will only erase elements at the end.
913 * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
914 (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
915 (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
916 of erase(p, end()).
917 (path::_List::pop_back()): Define.
918 (path::_List::_M_erase_from(const_iterator)): Define.
919 (path::operator/=(const path&)): Use pop_back to remove last component
920 and _M_erase_from to remove multiple components.
921 (path::_M_append(basic_string_view<value_type>)): Likewise.
922 (path::operator+=(const path&)): Likewise.
923 (path::_M_concat(basic_string_view<value_type>)): Likewise.
924 (path::remove_filename()): Likewise.
925 (path::lexically_normal()): Use _List::_Impl iterators instead of
926 path::iterator. Use pop_back to remove components from the end. Clear
927 trailing filename, instead of using erase(const_iterator) to remove
928 a non-final component.
929 * testsuite/27_io/filesystem/path/generation/normal.cc: Test
930 additional cases.
931 * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
932
24230cab 933 * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
934 incorrect treatment of empty filename after trailing slash.
935 * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
936
6b4a77f2 937 * testsuite/21_strings/basic_string/modifiers/assign/char/
938 move_assign_optim.cc: Avoid spurious failure when -fno-inline added
939 to test flags.
940 * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
941 move_assign_optim.cc: Likewise.
942
02df5941 9432019-01-03 Jonathan Wakely <jwakely@redhat.com>
944 Jakub Jelinek <jakub@redhat.com>
945
946 PR libstdc++/88607
947 * include/experimental/memory: Replace UTF-8 quote characters.
948 * include/std/future: Replace UTF-8 "em dash" characters.
949
f8ad40d8 9502019-01-03 Jonathan Wakely <jwakely@redhat.com>
951
9013258b 952 PR libstdc++/88607
953 * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
954 * include/debug/forward_list: Likewise.
955 * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
956 character.
957 * include/experimental/chrono: Likewise.
958 * include/experimental/functional: Likewise.
959 * include/experimental/ratio: Likewise.
960 * include/experimental/system_error: Likewise.
961 * include/experimental/tuple: Likewise.
962 * include/experimental/type_traits: Likewise.
963 * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
964 * include/parallel/multiseq_selection.h: Likewise.
965
f8ad40d8 966 PR libstdc++/88681
967 * config/abi/pre/gnu.ver: Add missing exports.
968 * testsuite/22_locale/collate_byname/88681.cc: New test.
969 * testsuite/22_locale/time_get/get/char/88681.cc: New test.
970 * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
971
138292f4 9722019-01-02 Jonathan Wakely <jwakely@redhat.com>
973
553d41a8 974 * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
975 initializer_list<value_type> and from input iterator ranges.
976 * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
977
138292f4 978 * testsuite/experimental/string_view/element_access/char/empty.cc:
979 Fix year range in copyright header.
980
963c0125 9812019-01-02 Joel Brobecker <brobecker@adacore.com>
982
983 * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
984 Fix year range in copyright header.
985
fbd26352 9862019-01-01 Jakub Jelinek <jakub@redhat.com>
d353bf18 987
988 Update copyright years.
fb96fbb3 989\f
fbd26352 990Copyright (C) 2019 Free Software Foundation, Inc.
fb96fbb3 991
992Copying and distribution of this file, with or without modification,
993are permitted in any medium without royalty provided the copyright
994notice and this notice are preserved.