libstdc++-v3/ChangeLog

   1 2019-02-05  Marc Glisse  <marc.glisse@inria.fr>
   2
   3         PR libstdc++/87106
   4         * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
   5         Rename...
   6         (__is_bitwise_relocatable): ... to this.
   7         (__relocate_a_1): Adapt.
   8         * include/bits/stl_deque.h (__is_trivially_relocatable): Rename...
   9         (__is_bitwise_relocatable): ... to this.
  10
  11 2019-01-30  Jonathan Wakely  <jwakely@redhat.com>
  12
  13         PR libstdc++/89117
  14         * src/c++17/fs_path.cc (path::replace_extension): Erase extension from
  15         final component as well as from _M_pathname. Append the dot using
  16         operator+= instead of only to _M_pathname.
  17         (path::_M_find_extension): Reformat slightly.
  18         * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
  19         Add more test cases.
  20
  21 2019-01-30  Ulrich Drepper  <drepper@redhat.com>
  22
  23         * doc/xml/manual/status_cxx2020.xml: Update P0600 entry.
  24
  25 2019-01-29  Jonathan Wakely  <jwakely@redhat.com>
  26
  27         * testsuite/26_numerics/headers/complex/synopsis.cc: Remove incorrect
  28         constexpr specifiers from arg and proj.
  29
  30         * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add missing exports for
  31         __shared_ptr instantiations used by gcc4-compatible ABI.
  32
  33         * include/experimental/forward_list (experimental::erase): Qualify
  34         call to erase_if.
  35         * include/experimental/list (experimental::erase): Likewise.
  36         * include/std/forward_list (std::erase): Likewise.
  37         * include/std/list (std::erase): Likewise.
  38
  39         * testsuite/20_util/reference_wrapper/result_type.cc: Disable for
  40         C++2a.
  41         * testsuite/20_util/reference_wrapper/typedefs-2.cc: Likewise.
  42         * testsuite/20_util/reference_wrapper/typedefs-3.cc: Likewise.
  43         * testsuite/20_util/reference_wrapper/typedefs.cc: Likewise.
  44         * testsuite/30_threads/async/54297.cc: Suppress nodiscard warning.
  45         * testsuite/ext/array_allocator/26875.cc: Likewise.
  46         * testsuite/ext/pool_allocator/allocate_chunk.cc: Likewise.
  47         * testsuite/util/replacement_memory_operators.h: Likewise.
  48         * testsuite/util/testsuite_allocator.h: Likewise.
  49
  50         * include/std/memory_resource (__pool_resource::_M_unpooled): Use
  51         normal mode vector, even for debug mode.
  52         * include/std/vector [_GLIBCXX_DEBUG] (_GLIBCXX_STD_C::pmr::vector):
  53         Define alias template for normal mode vector.
  54
  55 2019-01-28  Jonathan Wakely  <jwakely@redhat.com>
  56
  57         PR libstdc++/68737
  58         * config/locale/generic/c_locale.h (__convert_from_v)
  59         [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
  60         * config/os/hpux/os_defines.h: Define _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
  61         * include/bits/locale_facets.tcc (num_put::_M_insert_float)
  62         [_GLIBCXX_USE_C99_STDIO]: Also check _GLIBCXX_HAVE_BROKEN_VSNPRINTF.
  63
  64 2019-01-24  Jonathan Wakely  <jwakely@redhat.com>
  65
  66         PR libstdc++/88840
  67         * include/bits/stl_vector.h (vector::__use_relocate): Replace static
  68         data member with static member function _S_use_relocate().
  69         * include/bits/vector.tcc (vector::reserve, vector::_M_realloc_insert)
  70         (vector::_M_default_append): Use _S_use_relocate() instead of
  71         __use_relocate.
  72
  73         * testsuite/27_io/filesystem/path/compare/strings.cc: Only compare
  74         sign of results.
  75
  76 2019-01-22  Jonathan Wakely  <jwakely@redhat.com>
  77
  78         PR libstdc++/88740
  79         * testsuite/util/testsuite_hooks.h [stderr] (VERIFY): Use fprintf to
  80         write to stderr instead of using printf.
  81
  82 2019-01-21  Jakub Jelinek  <jakub@redhat.com>
  83
  84         PR libstdc++/86590
  85         * include/bits/char_traits.h (__constant_string_p,
  86         __constant_char_array_p): Use __builtin_is_constant_evaluated if
  87         available.
  88
  89 2019-01-20  Ulrich Drepper  <drepper@redhat.com>
  90
  91         Implement C++20 P0600r1.
  92         * include/backward/hash_map: Add nodiscard attribute to empty.
  93         * include/backward/hash_set: Likewise.
  94         * backward/hashtable.h: Likewise.
  95         * include/bits/basic_string.h: Likewise.
  96         * include/bits/forward_list.h: Likewise.
  97         * include/bits/hashtable.h: Likewise.
  98         * include/bits/regex.h: Likewise.
  99         * include/bits/stl_deque.h: Likewise.
 100         * include/bits/stl_list.h: Likewise.
 101         * include/bits/stl_map.h: Likewise.
 102         * include/bits/stl_multimap.h: Likewise.
 103         * include/bits/stl_multiset.h: Likewise.
 104         * include/bits/stl_queue.h: Likewise.
 105         * include/bits/stl_set.h: Likewise.
 106         * include/bits/stl_stack.h: Likewise.
 107         * include/bits/stl_tree.h: Likewise.
 108         * include/bits/stl_vector.h: Likewise.
 109         * include/bits/unordered_map.h: Likewise.
 110         * include/bits/unordered_set.h: Likewise.
 111         * include/debug/array: Likewise.
 112         * include/experimental/any: Likewise.
 113         * include/experimental/bits/fs_path.h: Likewise.
 114         * include/experimental/internet: Likewise.
 115         * include/experimental/string_view: Likewise.
 116         * include/ext/pb_ds/detail/bin_search_tree_/info_fn_imps.hpp:
 117         Likewise.
 118         * include/ext/pb_ds/detail/binary_heap_/binary_heap_.hpp:
 119         Likewise.
 120         * include/ext/pb_ds/detail/binary_heap_/info_fn_imps.hpp:
 121         Likewise.
 122         * include/ext/pb_ds/detail/cc_hash_table_map_/cc_ht_map_.hpp:
 123         Likewise.
 124         * include/ext/pb_ds/detail/cc_hash_table_map_/info_fn_imps.hpp:
 125         Likewise.
 126         * include/ext/pb_ds/detail/cc_hash_table_map_/size_fn_imps.hpp:
 127         Likewise.
 128         * include/ext/pb_ds/detail/gp_hash_table_map_/gp_ht_map_.hpp:
 129         Likewise.
 130         * include/ext/pb_ds/detail/gp_hash_table_map_/info_fn_imps.hpp:
 131         Likewise.
 132         * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
 133         info_fn_imps.hpp: Likewise.
 134         * include/ext/pb_ds/detail/left_child_next_sibling_heap_/
 135         left_child_next_sibling_heap_.hpp: Likewise.
 136         * include/ext/pb_ds/detail/list_update_map_/info_fn_imps.hpp:
 137         Likewise.
 138         * include/ext/pb_ds/detail/list_update_map_/lu_map_.hpp:
 139         Likewise.
 140         * include/ext/pb_ds/detail/ov_tree_map_/info_fn_imps.hpp:
 141         Likewise.
 142         * include/ext/pb_ds/detail/ov_tree_map_/ov_tree_map_.hp:
 143         Likewise.
 144         * include/ext/pb_ds/detail/pat_trie_/info_fn_imps.hpp:
 145         Likewise.
 146         * include/ext/pb_ds/detail/pat_trie_/pat_trie_.hpp:
 147         Likewise.
 148         * include/ext/pb_ds/detail/rc_binomial_heap_/rc.hpp:
 149         Likewise.
 150         * include/ext/pb_ds/detail/tree_trace_base.hpp: Likewise.
 151         * include/ext/pb_ds/trie_policy.hpp: Likewise.
 152         * include/ext/rope: Likewise.
 153         * include/ext/slist: Likewise.
 154         * include/ext/vstring.h: Likewise.
 155         * include/profile/array: Likewise.
 156         * include/std/array: Likewise.
 157         * include/tr1/array: Likewise.
 158         * include/tr1/hashtable.h: Likewise.
 159         * include/tr1/regex: Likewise.
 160         * include/tr2/dynamic_bitset: Likewise.
 161         * include/bits/alloc_traits.h: Add nodiscard attribute to
 162         allocate.
 163         * include/experimental/memory_resource: Likewise.
 164         * include/ext/alloc_traits.h: Likewise.
 165         * include/ext/array_allocator.h: Likewise.
 166         * include/ext/bitmap_allocator.h: Likewise.
 167         * include/ext/debug_allocator.h: Likewise.
 168         * include/ext/extptr_allocator.h: Likewise.
 169         * include/ext/mt_allocator.h: Likewise.
 170         * include/ext/new_allocator.h: Likewise.
 171         * include/ext/pool_allocator.h: Likewise.
 172         * include/ext/throw_allocator.h: Likewise.
 173         * include/std/scoped_allocator: Likewise.
 174         * libsupc++/eh_alloc.cc: Likewise.
 175         * include/std/future: Add nodiscard attribute to async.
 176         * libsupc++/new: Add nodiscard attribute to new.
 177
 178 2019-01-18  Jonathan Wakely  <jwakely@redhat.com>
 179
 180         PR libstdc++/87514
 181         PR libstdc++/87520
 182         PR libstdc++/88782
 183         * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export new symbol.
 184         * include/bits/shared_ptr.h
 185         (shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...))
 186         (allocate_shared): Change to use new tag type.
 187         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_eq):
 188         Declare new member function.
 189         (_Sp_alloc_shared_tag): Define new type.
 190         (_Sp_counted_ptr_inplace): Declare __shared_count<_Lp> as a friend.
 191         (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Use
 192         _Sp_make_shared_tag::_S_eq to check type_info.
 193         (__shared_count(Ptr, Deleter),__shared_count(Ptr, Deleter, Alloc)):
 194         Constrain to prevent being called with _Sp_alloc_shared_tag.
 195         (__shared_count(_Sp_make_shared_tag, const _Alloc&, Args&&...)):
 196         Replace constructor with ...
 197         (__shared_count(Tp*&, _Sp_alloc_shared_tag<_Alloc>, Args&&...)): Use
 198         reference parameter so address of the new object can be returned to
 199         the caller. Obtain the allocator from the tag type.
 200         (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Replace
 201         constructor with ...
 202         (__shared_ptr(_Sp_alloc_shared_tag<Alloc>, Args&&...)): Pass _M_ptr
 203         to the __shared_count constructor.
 204         (__allocate_shared): Change to use new tag type.
 205         * src/c++11/shared_ptr.cc (_Sp_make_shared_tag::_S_eq): Define.
 206
 207 2019-01-17  Jonathan Wakely  <jwakely@redhat.com>
 208
 209         * src/c++17/fs_ops.cc
 210         (equivalent(const path&, const path&, error_code&))
 211         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use GetFileInformationByHandle to
 212         compare files instead of relying on incomplete info returned by stat.
 213
 214         PR libstdc++/88884
 215         * src/c++17/fs_ops.cc (absolute(const path&, error_code&)): Do nothing
 216         if the path is already absolute.
 217         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize root-directory.
 218         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Pass error_code to current_path.
 219
 220         PR libstdc++/88881
 221         * src/c++17/fs_ops.cc (canonical(const path&, error_code&))
 222         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Normalize path, to match behaviour
 223         of filesystem::exists.
 224         (create_directories(const path&, error_code&)): Add assertions.
 225         (status(const path&, error_code&)) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]:
 226         Add workaround for bug in _wstat for paths with trailing slash.
 227         * testsuite/27_io/filesystem/operations/create_directories.cc: Adjust
 228         for expected behaviour on mingw.
 229         * testsuite/experimental/filesystem/operations/create_directories.cc:
 230         Likewise.
 231         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Use
 232         "TMP" instead of "TMPDIR" and clean environment before each test. Do
 233         not test permissions on mingw targets.
 234
 235 2019-01-16  Jonathan Wakely  <jwakely@redhat.com>
 236
 237         * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Add exports for fstream
 238         constructors and open members taking wide strings. Fix patterns for
 239         filesystem::path members to match wstring_view parameters. Add
 240         exports for shared_ptr members used by directory iterators.
 241         * src/c++17/fs_ops.cc (remove(const path&, error_code&)): Clear the
 242         error code parameter if the file doesn't exist.
 243         * src/filesystem/ops.cc (remove(const path&, error_code&)):
 244         Likewise.
 245         * testsuite/27_io/filesystem/operations/canonical.cc: Fix expected
 246         values for mingw targets, where "/" is not an absolute path. Do not
 247         test symlinks on mingw targets.
 248         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
 249         * testsuite/27_io/filesystem/operations/copy.cc: Do not test symlinks
 250         on mingw targets.
 251         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
 252         * testsuite/27_io/filesystem/operations/create_directories.cc: Check
 253         that each component of the path is created.
 254         * testsuite/experimental/filesystem/operations/create_directories.cc:
 255         Likewise.
 256         * testsuite/27_io/filesystem/operations/exists.cc: Do not test
 257         permissions on mingw targets.
 258         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
 259         * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
 260         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
 261         * testsuite/27_io/filesystem/operations/permissions.cc: XFAIL for
 262         mingw targets.
 263         * testsuite/experimental/filesystem/operations/permissions.cc:
 264         Likewise.
 265         * testsuite/27_io/filesystem/operations/remove.cc: Do not test
 266         symlinks or permissions on mingw targets.
 267         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
 268         * testsuite/27_io/filesystem/operations/remove_all.cc: Do not test
 269         symlinks on mingw targets.
 270         * testsuite/experimental/filesystem/operations/remove_all.cc:
 271         Likewise.
 272         * testsuite/27_io/filesystem/operations/status.cc: Do not test
 273         permissions on mingw targets.
 274         * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Do not
 275         test symlinks on mingw targets.
 276         * testsuite/experimental/filesystem/operations/space.cc: Fix test
 277         for mingw targets.
 278
 279 2019-02-14  Ulrich Drepper  <drepper@redhat.com>
 280
 281         PR libstdc++/88738
 282         Warn about unused comparisons of shared_ptr/unique_ptr
 283         * include/bits/c++config [_GLIBCXX_NODISCARD]: Define.
 284         * include/bits/shared_ptr.h: Use it for operator ==, !=,
 285         <, <=, >, >= for shared_ptr.
 286         * include/bits/unique_ptr.h: Likewise for unique_ptr.
 287
 288 2019-01-15  Jonathan Wakely  <jwakely@redhat.com>
 289
 290         * include/bits/shared_ptr_base.h (__cpp_lib_shared_ptr_arrays): Define
 291         as 201611L, because P0497R0 changes are supported.
 292         * include/std/version (__cpp_lib_shared_ptr_arrays): Likewise.
 293
 294         * include/bits/erase_if.h [__cplusplus > 201703L]
 295         (__cpp_lib_erase_if): Only define for C++2a.
 296         * include/std/iterator [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
 297         (__cpp_lib_null_iterators): Define.
 298         * include/std/version [__cplusplus >= 201402L && !_GLIBCXX_DEBUG]
 299         (__cpp_lib_null_iterators): Define.
 300         [__cpp_impl_destroying_delete] (__cpp_lib_destroying_delete): Define.
 301
 302         * doc/xml/manual/status_cxx2017.xml: Document P0032R3 and P0307R2
 303         status.
 304         * include/bits/stl_uninitialized.h (__cpp_lib_raw_memory_algorithms):
 305         Define.
 306         * include/std/any (__cpp_lib_any): Define as 201606L, because P0032R3
 307         changes are supported.
 308         * include/std/optional (__cpp_lib_optional): Likewise.
 309         * include/std/variant (__cpp_lib_variant): Likewise.
 310         * include/std/version [!__STRICT_ANSI__]
 311         (__cpp_lib_uncaught_exceptions): Define as long integer.
 312         [__cplusplus >= 201703L] (__cpp_lib_any)
 313         (__cpp_lib_raw_memory_algorithms, __cpp_lib_uncaught_exceptions)
 314         (__cpp_lib_variant): Define for C++17.
 315         [__cplusplus >= 201703L] (__cpp_lib_optional): Update value and define
 316         as long integer.
 317         * libsupc++/exception (__cpp_lib_uncaught_exceptions): Define as long
 318         integer.
 319
 320         * doc/xml/manual/status_cxx2020.xml: Update P1123R0 status.
 321
 322 2019-01-12  Jonathan Wakely  <jwakely@redhat.com>
 323
 324         PR libstdc++/88811
 325         PR libstdc++/83306
 326         * src/filesystem/path.cc: Fix typo. If first path is empty, show []
 327         before second path.
 328         * testsuite/experimental/filesystem/filesystem_error/cons.cc: New
 329         test.
 330
 331 2019-01-11  Jonathan Wakely  <jwakely@redhat.com>
 332
 333         * doc/xml/manual/intro.xml: Include new section.
 334         * doc/xml/manual/status_cxx2017.xml: Document more
 335         implementation-defined properties of the library.
 336         * doc/xml/manual/status_cxx2020.xml: Document C++2a status.
 337         * doc/html/*: Regenerate.
 338
 339         * include/bits/refwrap.h [__cplusplus > 201703L]
 340         (_Refwrap_base_arg1, _Refwrap_base_arg2, _Reference_wrapper_base)
 341         (_Reference_wrapper_base_memfun): Do not define for C++2a.
 342         (reference_wrapper): Do not derive from _Reference_wrapper_base_memfun
 343         for C++2a.
 344         (reference_wrapper::operator()): Add static assertion.
 345         * testsuite/20_util/reference_wrapper/incomplete.cc: New test.
 346
 347         * include/std/chrono (duration_values::zero(), duration_values::min())
 348         (duration_values::max()): Add noexcept.
 349         (duration::zero(), duration::min(), duration::max()): Likewise.
 350         (time_point::zero(), time_point::min(), time_point::max()): Likewise.
 351         * testsuite/20_util/duration/requirements/noexcept.cc: New test.
 352         * testsuite/20_util/time_point/requirements/noexcept.cc: New test.
 353
 354         * include/std/version (__cpp_lib_erase_if): Move to C++20 group.
 355
 356 2019-01-11  Jakub Jelinek  <jakub@redhat.com>
 357
 358         * include/std/type_traits (__cpp_lib_is_constant_evaluated): Define.
 359         * include/std/version (__cpp_lib_is_constant_evaluated): Define.
 360
 361 2019-01-11  Jonathan Wakely  <jwakely@redhat.com>
 362
 363         PR libstdc++/88802
 364         * include/bits/functional_hash.h (hash<nullptr_t>): Define
 365         specialization for C++17 (P0513R0, LWG 2817).
 366         * testsuite/20_util/hash/nullptr.cc: New test.
 367
 368         PR libstdc++/88125
 369         * config/abi/pre/gnu.ver (GLIBCXX_3.4.6): Remove unused duplicate
 370         pattern for std::basic_stringbuf::str().
 371
 372         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Correct recent changes to
 373         basic_ostream::operator<< patterns.
 374
 375 2019-01-10  Jonathan Wakely  <jwakely@redhat.com>
 376
 377         * testsuite/27_io/filesystem/operations/last_write_time.cc: Fix
 378         test failures on targets with 32-bit time_t.
 379
 380         * include/bits/erase_if.h: Define __cpp_lib_erase_if.
 381         * include/std/deque: Likewise.
 382         * include/std/forward_list: Likewise.
 383         * include/std/list: Likewise.
 384         * include/std/string: Likewise.
 385         * include/std/vector: Likewise.
 386         * include/std/version: Likewise.
 387         * testsuite/21_strings/basic_string/erasure.cc: Test macro.
 388         * testsuite/23_containers/deque/erasure.cc: Likewise.
 389         * testsuite/23_containers/forward_list/erasure.cc: Likewise.
 390         * testsuite/23_containers/list/erasure.cc: Likewise.
 391         * testsuite/23_containers/map/erasure.cc: Likewise.
 392         * testsuite/23_containers/set/erasure.cc: Likewise.
 393         * testsuite/23_containers/unordered_map/erasure.cc: Likewise.
 394         * testsuite/23_containers/unordered_set/erasure.cc: Likewise.
 395         * testsuite/23_containers/vector/erasure.cc: Likewise.
 396
 397         * include/experimental/internet [AI_NUMERICSERV]
 398         (resolver_base::numeric_service): Define conditionally.
 399         * testsuite/experimental/net/internet/resolver/base.cc: Test it
 400         conditionally.
 401         * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
 402         Likewise.
 403
 404 2019-01-10  Ville Voutilainen  <ville.voutilainen@gmail.com>
 405             Jonathan Wakely  <jwakely@redhat.com>
 406
 407         Implement LWG 2221
 408         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten patterns.
 409         (GLIBCXX_3.4.26): Add new exports.
 410         * include/Makefile.am: Add ostream-inst.cc. Move string-inst.cc to
 411         correct list of sources.
 412         * include/Makefile.in: Regenerate.
 413         * include/std/ostream (operator<<(nullptr_t)): New member function.
 414         * src/c++17/ostream-inst.cc: New file.
 415         * testsuite/27_io/basic_ostream/inserters_other/char/lwg2221.cc: New
 416         test.
 417
 418 2019-01-10  Jonathan Wakely  <jwakely@redhat.com>
 419
 420         * testsuite/util/testsuite_fs.h (nonexistent_path): Include name
 421         of the source file containing the caller.
 422         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Remove
 423         directories created by test.
 424         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
 425         Likewise.
 426         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
 427         Likewise.
 428         * testsuite/experimental/filesystem/iterators/
 429         recursive_directory_iterator.cc: Likewise.
 430
 431 2019-01-10  Jakub Jelinek  <jakub@redhat.com>
 432
 433         PR tree-optimization/88775
 434         * include/bits/stl_function.h (greater<_Tp*>::operator(),
 435         less<_Tp*>::operator(), greater_equal<_Tp*>::operator(),
 436         less_equal<_Tp*>::operator()): Use __builtin_is_constant_evaluated
 437         instead of __builtin_constant_p if available.  Don't bother with
 438         the pointer comparison in C++11 and earlier.
 439
 440 2019-01-09  Sandra Loosemore  <sandra@codesourcery.com>
 441
 442         PR other/16615
 443
 444         * include/ext/bitmap_allocator.h: Mechanically replace "can not"
 445         with "cannot".
 446
 447 2019-01-09  Jonathan Wakely  <jwakely@redhat.com>
 448
 449         * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix expected output
 450         for filesystem::path. Give variables more distinctive names.
 451
 452         * include/std/optional (_Optional_payload_base::_M_copy_assign): New
 453         member function to perform non-trivial assignment.
 454         (_Optional_payload_base::_M_move_assign): Likewise.
 455         (_Optional_payload<T, true, false, true>::operator=)
 456         (_Optional_payload<T, true, true, false>::operator=)
 457         (_Optional_payload<T, true, false, false>::operator=): Call
 458         _M_copy_assign and/or _M_move_assign to do non-trivial assignments.
 459
 460         PR libstdc++/88204
 461         * testsuite/26_numerics/complex/operators/more_constexpr.cc: Do not
 462         test std::complex<long double> if long double format is IBM128.
 463         * testsuite/26_numerics/complex/requirements/more_constexpr.cc:
 464         Likewise.
 465
 466 2019-01-08  Jonathan Wakely  <jwakely@redhat.com>
 467
 468         * testsuite/libstdc++-prettyprinters/compat.cc: Test printer support
 469         for old std::unique_ptr layout.
 470         * testsuite/libstdc++-prettyprinters/cxx17.cc: Fix std::variant test
 471         to become valueless. Add filesystem::path tests.
 472
 473         PR libstdc++/87855
 474         * include/std/optional (_Optional_payload_base): New class template
 475         for common code hoisted from _Optional_payload specializations. Use
 476         a template for the union, to allow a partial specialization for
 477         types with non-trivial destructors. Add constructors for in-place
 478         initialization to the union.
 479         (_Optional_payload(bool, const _Optional_payload&)): Use _M_construct
 480         to perform non-trivial copy construction, instead of relying on
 481         non-standard copy elision in a delegating constructor.
 482         (_Optional_payload(bool, _Optional_payload&&)): Likewise for
 483         non-trivial move construction.
 484         (_Optional_payload): Derive from _Optional_payload_base and use it
 485         for everything except the non-trivial assignment operators, which are
 486         defined as needed.
 487         (_Optional_payload<false, C, M>): Derive from the specialization
 488         _Optional_payload<true, false, false> and add a destructor.
 489         (_Optional_base_impl::_M_destruct, _Optional_base_impl::_M_reset):
 490         Forward to corresponding members of _Optional_payload.
 491         (_Optional_base_impl::_M_is_engaged, _Optional_base_impl::_M_get):
 492         Hoist common members from _Optional_base.
 493         (_Optional_base): Make all members and base class public.
 494         (_Optional_base::_M_get, _Optional_base::_M_is_engaged): Move to
 495         _Optional_base_impl.
 496         * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter): Add
 497         support for new std::optional layout.
 498         * testsuite/libstdc++-prettyprinters/compat.cc: New test.
 499
 500         PR libstdc++/88066
 501         * include/bits/locale_conv.h: Use <> for includes not "".
 502         * include/ext/random: Likewise.
 503         * include/ext/vstring.h: Likewise.
 504
 505 2019-01-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
 506
 507         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Tighten existing patterns.
 508         (GLIBCXX_3.4.21): Likewise.
 509
 510 2019-01-08  Jonathan Wakely  <jwakely@redhat.com>
 511
 512         PR libstdc++/88749
 513         * src/filesystem/ops.cc (last_write_time): Fix preprocessor condition
 514         to match the one that controls whether utimbuf and utime are declared.
 515
 516 2019-01-07  Jonathan Wakely  <jwakely@redhat.com>
 517
 518         PR libstdc++/87787
 519         * include/bits/char_traits.h (char_traits::move): Do not pass null
 520         pointers to memmove.
 521         * include/bits/locale_facets.h
 522         (ctype<char>::widen(const char*, const char*, char*)): Do not
 523         pass null pointers to memcpy.
 524         (ctype<char>::narrow(const char*, const char*, char, char*)):
 525         Likewise.
 526         (ctype<char>::do_widen(const char*, const char*, char*)):
 527         Likewise.
 528         (ctype<char>::do_narrow(const char*, const char*, char, char*)):
 529         Likewise.
 530
 531         * doc/xml/manual/spine.xml: Update copyright years.
 532         * doc/xml/manual/status_cxx2017.xml: Adjust note about -lstdc++fs.
 533         * doc/xml/manual/using.xml: Remove requirement to link with -lstdc++fs
 534         for C++17 filesystem library.
 535         * doc/html/*: Regenerate.
 536
 537         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for truncate.
 538         * config.h.in: Regenerate.
 539         * config/abi/pre/gnu.ver: Order patterns for filesystem operations
 540         alphabetically and add missing entries for copy_symlink,
 541         hard_link_count, rename, and resize_file.
 542         * configure: Regenerate.
 543         * src/c++17/fs_ops.cc (resize_file): Remove #if so posix::truncate is
 544         used unconditionally.
 545         * src/filesystem/ops-common.h (__gnu_posix::truncate)
 546         [!_GLIBCXX_HAVE_TRUNCATE]: Provide fallback definition that only
 547         supports truncating to zero length.
 548         * testsuite/27_io/filesystem/operations/all.cc: New test.
 549         * testsuite/27_io/filesystem/operations/resize_file.cc: New test.
 550
 551 2019-01-06  Jonathan Wakely  <jwakely@redhat.com>
 552
 553         PR libstdc++/86756
 554         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Check for utime and
 555         lstat and define _GLIBCXX_USE_UTIME and _GLIBCXX_USE_LSTAT.
 556         * config.h.in: Regenerate.
 557         * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export symbols for
 558         remaining std::filesystem types and functions.
 559         * configure: Regenerate.
 560         * src/c++17/Makefile.am: Add C++17 filesystem sources.
 561         * src/c++17/Makefile.in: Regenerate.
 562         * src/c++17/cow-fs_dir.cc: Move src/filesystem/cow-std-dir.cc to
 563         here, and change name of included file.
 564         * src/c++17/cow-fs_ops.cc: Move src/filesystem/cow-std-ops.cc to
 565         here, and change name of included file.
 566         * src/c++17/fs_dir.cc: Move src/filesystem/std-dir.cc to here. Change
 567         path to dir-common.h.
 568         * src/c++17/fs_ops.cc: Move src/filesystem/std-ops.cc to here. Change
 569         path to ops-common.h. Disable -Wunused-parameter warnings.
 570         (internal_file_clock): Define unconditionally.
 571         [!_GLIBCXX_HAVE_SYS_STAT_H] (internal_file_clock::from_stat): Do not
 572         define.
 573         (do_copy_file, do_space): Move definitions to ops.common.h.
 574         (copy, file_size, hard_link_count, last_write_time, space): Only
 575         perform operation when _GLIBCXX_HAVE_SYS_STAT_H is defined, otherwise
 576         report an error.
 577         (last_write_time, read_symlink): Remove unused attributes from
 578         parameters.
 579         * src/filesystem/Makefile.am: Remove C++17 filesystem sources.
 580         * src/filesystem/Makefile.in: Regenerate.
 581         * src/filesystem/cow-std-dir.cc: Move to src/c++17/cow-fs_dir.cc.
 582         * src/filesystem/cow-std-ops.cc: Move to src/c++17/cow-fs_ops.cc.
 583         * src/filesystem/std-dir.cc: Move to src/c++17/fs_dir.cc.
 584         * src/filesystem/std-ops.cc: Move to src/c++17/fs_ops.cc.
 585         * src/filesystem/dir-common.h [!_GLIBCXX_HAVE_DIRENT_H]: Define
 586         dummy types and functions instead of using #error.
 587         * src/filesystem/dir.cc [!_GLIBCXX_HAVE_DIRENT_H]: Use #error.
 588         * src/filesystem/ops-common.h [!_GLIBCXX_USE_LSTAT] (lstat): Define
 589         in terms of stat.
 590         [!_GLIBCXX_HAVE_UNISTD_H]: Define dummy types and functions.
 591         (do_copy_file, do_space): Move definitions here from std-ops.cc.
 592         * src/filesystem/ops.cc: Adjust calls to do_copy_file and do_space
 593         to account for new namespace.
 594         * testsuite/27_io/filesystem/directory_entry/86597.cc: Remove
 595         -lstdc++fs from dg-options.
 596         * testsuite/27_io/filesystem/directory_entry/lwg3171.cc: Likewise.
 597         * testsuite/27_io/filesystem/file_status/1.cc: Likewise.
 598         * testsuite/27_io/filesystem/filesystem_error/cons.cc: Likewise.
 599         * testsuite/27_io/filesystem/filesystem_error/copy.cc: Likewise.
 600         * testsuite/27_io/filesystem/iterators/directory_iterator.cc:
 601         Likewise.
 602         * testsuite/27_io/filesystem/iterators/pop.cc: Likewise.
 603         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
 604         Likewise.
 605         * testsuite/27_io/filesystem/operations/absolute.cc: Likewise.
 606         * testsuite/27_io/filesystem/operations/canonical.cc: Likewise.
 607         * testsuite/27_io/filesystem/operations/copy.cc: Likewise.
 608         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
 609         * testsuite/27_io/filesystem/operations/create_directories.cc:
 610         Likewise.
 611         * testsuite/27_io/filesystem/operations/create_directory.cc: Likewise.
 612         * testsuite/27_io/filesystem/operations/create_symlink.cc: Likewise.
 613         * testsuite/27_io/filesystem/operations/current_path.cc: Likewise.
 614         * testsuite/27_io/filesystem/operations/equivalent.cc: Likewise.
 615         * testsuite/27_io/filesystem/operations/exists.cc: Likewise.
 616         * testsuite/27_io/filesystem/operations/file_size.cc: Likewise.
 617         * testsuite/27_io/filesystem/operations/is_empty.cc: Likewise.
 618         * testsuite/27_io/filesystem/operations/last_write_time.cc: Likewise.
 619         * testsuite/27_io/filesystem/operations/permissions.cc: Likewise.
 620         * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
 621         * testsuite/27_io/filesystem/operations/read_symlink.cc: Likewise.
 622         * testsuite/27_io/filesystem/operations/relative.cc: Likewise.
 623         * testsuite/27_io/filesystem/operations/remove.cc: Likewise.
 624         * testsuite/27_io/filesystem/operations/remove_all.cc: Likewise.
 625         * testsuite/27_io/filesystem/operations/space.cc: Likewise.
 626         * testsuite/27_io/filesystem/operations/status.cc: Likewise.
 627         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
 628         * testsuite/27_io/filesystem/operations/temp_directory_path.cc:
 629         Likewise.
 630         * testsuite/27_io/filesystem/operations/weakly_canonical.cc: Likewise.
 631
 632
 633         PR libstdc++/86756
 634         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Make various patterns for
 635         typeinfo and vtables less greedy.
 636         (GLIBCXX_3.4.26): Export symbols for std::filesystem::path.
 637         * src/c++17/Makefile.am: Add fs_path.cc and cow-fs_path.cc.
 638         * src/c++17/Makefile.in: Regenerate.
 639         * src/c++17/cow-fs_path.cc: Move src/filesystem/cow-std-path.cc to
 640         here, and change name of included file.
 641         * src/c++17/fs_path.cc: Move src/filesystem/std-path.cc to here.
 642         * src/filesystem/Makefile.am: Remove std-path.cc and cow-std-path.cc
 643         from sources.
 644         * src/filesystem/Makefile.in: Regenerate.
 645         * src/filesystem/cow-std-path.cc: Move to src/c++17/cow-fs_path.cc.
 646         * src/filesystem/std-path.cc: Move to src/c++17/fs_path.cc.
 647         * testsuite/27_io/filesystem/path/append/path.cc: Remove -lstdc++fs
 648         from dg-options and remove dg-require-filesystem-ts.
 649         * testsuite/27_io/filesystem/path/append/source.cc: Likewise.
 650         * testsuite/27_io/filesystem/path/assign/assign.cc: Likewise.
 651         * testsuite/27_io/filesystem/path/assign/copy.cc: Likewise.
 652         * testsuite/27_io/filesystem/path/compare/compare.cc: Likewise.
 653         * testsuite/27_io/filesystem/path/compare/lwg2936.cc: Likewise.
 654         * testsuite/27_io/filesystem/path/compare/path.cc: Likewise.
 655         * testsuite/27_io/filesystem/path/compare/strings.cc: Likewise.
 656         * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
 657         * testsuite/27_io/filesystem/path/concat/strings.cc: Likewise.
 658         * testsuite/27_io/filesystem/path/construct/80762.cc: Likewise.
 659         * testsuite/27_io/filesystem/path/construct/copy.cc: Likewise.
 660         * testsuite/27_io/filesystem/path/construct/default.cc: Likewise.
 661         * testsuite/27_io/filesystem/path/construct/format.cc: Likewise.
 662         * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
 663         * testsuite/27_io/filesystem/path/construct/range.cc: Likewise.
 664         * testsuite/27_io/filesystem/path/construct/string_view.cc: Likewise.
 665         * testsuite/27_io/filesystem/path/decompose/extension.cc: Likewise.
 666         * testsuite/27_io/filesystem/path/decompose/filename.cc: Likewise.
 667         * testsuite/27_io/filesystem/path/decompose/parent_path.cc: Likewise.
 668         * testsuite/27_io/filesystem/path/decompose/relative_path.cc: Likewise.
 669         * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
 670         Likewise.
 671         * testsuite/27_io/filesystem/path/decompose/root_name.cc: Likewise.
 672         * testsuite/27_io/filesystem/path/decompose/root_path.cc: Likewise.
 673         * testsuite/27_io/filesystem/path/decompose/stem.cc: Likewise.
 674         * testsuite/27_io/filesystem/path/generation/normal.cc: Likewise.
 675         * testsuite/27_io/filesystem/path/generation/normal2.cc: Likewise.
 676         * testsuite/27_io/filesystem/path/generation/proximate.cc: Likewise.
 677         * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
 678         * testsuite/27_io/filesystem/path/generic/generic_string.cc: Likewise.
 679         * testsuite/27_io/filesystem/path/itr/components.cc: Likewise.
 680         * testsuite/27_io/filesystem/path/itr/traversal.cc: Likewise.
 681         * testsuite/27_io/filesystem/path/modifiers/clear.cc: Likewise.
 682         * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc:
 683         Likewise.
 684         * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc:
 685         Likewise.
 686         * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
 687         Likewise.
 688         * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
 689         Likewise.
 690         * testsuite/27_io/filesystem/path/modifiers/swap.cc: Likewise.
 691         * testsuite/27_io/filesystem/path/native/string.cc: Likewise.
 692         * testsuite/27_io/filesystem/path/nonmember/append.cc: Likewise.
 693         * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: Likewise.
 694         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
 695         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
 696         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
 697         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
 698         * testsuite/27_io/filesystem/path/query/has_relative_path.cc: Likewise.
 699         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
 700         Likewise.
 701         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
 702         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
 703         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
 704         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Likewise.
 705         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
 706
 707         PR libstdc++/87431
 708         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
 709         Check is_trivially_copyable instead of is_scalar.
 710         (variant::emplace<N, Args>(Args&&...)): If construction of the new
 711         contained value can throw and its type is trivially copyable then
 712         construct into a temporary variant and move from it, to provide the
 713         strong exception safety guarantee.
 714         (variant::emplace<N, U, Args>(initializer_list<U>, Args&&...)):
 715         Likewise.
 716         * testsuite/20_util/variant/87431.cc: New test.
 717         * testsuite/20_util/variant/run.cc: Adjust test so that throwing
 718         conversion causes valueless state.
 719
 720         PR libstdc++/88607
 721         * testsuite/17_intro/headers/c++1998/charset.cc: New test.
 722         * testsuite/17_intro/headers/c++2011/charset.cc: New test.
 723         * testsuite/17_intro/headers/c++2014/charset.cc: New test.
 724         * testsuite/17_intro/headers/c++2017/charset.cc: New test.
 725         * testsuite/17_intro/headers/c++2020/charset.cc: New test.
 726
 727 2019-01-05  Jonathan Wakely  <jwakely@redhat.com>
 728
 729         * include/bits/fs_fwd.h (__file_clock): Define new clock.
 730         (file_time_type): Redefine in terms of __file_clock.
 731         * src/filesystem/ops-common.h (file_time): Add FIXME comment about
 732         overflow.
 733         * src/filesystem/std-ops.cc (is_set(perm_options, perm_options)): Give
 734         internal linkage.
 735         (internal_file_lock): New helper type for accessing __file_clock.
 736         (do_copy_file): Use internal_file_lock to convert system time to
 737         file_time_type.
 738         (last_write_time(const path&, error_code&)): Likewise.
 739         (last_write_time(const path&, file_time_type, error_code&)): Likewise.
 740
 741 2019-01-04  Jonathan Wakely  <jwakely@redhat.com>
 742
 743         * config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Make patterns less greedy
 744         for const member functions of std::basic_string.
 745         (GLIBCXX_3.4.26): Export member functions of std::basic_string added
 746         in C++17.
 747         * include/bits/basic_string.h (basic_string(__sv_wrapper, const A&)):
 748         Make non-standard constructor private.
 749         [!_GLIBCXX_USE_CXX11_ABI] (basic_string(__sv_wrapper, const A&)):
 750         Likewise.
 751         * include/bits/basic_string.tcc (std::string, std::wstring): Declare
 752         explicit instantiations for C++17 as well as earlier dialects.
 753         * src/c++17/Makefile.am: Add new source files.
 754         * src/c++17/Makefile.in: Regenerate.
 755         * src/c++17/cow-string-inst.cc: New file defining explicit
 756         instantiations for basic_string member functions added in C++17.
 757         * src/c++17/string-inst.cc: Likewise.
 758
 759         * config/abi/pre/gnu.ver (GLIBCXX_3.4.26): Export allocator-extended
 760         copy/move constructors for old std::basic_string.
 761         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
 762         (basic_string::reference, basic_string::const_reference): Define
 763         as plain references for C++11 and later.
 764         (basic_string::basic_string()): Put constructor body outside
 765         preprocessor conditional groups.
 766         (basic_string::basic_string(basic_string&&)): Move _Alloc_hider
 767         instead of copying it.
 768         (basic_string::basic_string(const basic_string&, const _Alloc&)):
 769         Define.
 770         (basic_string::basic_string(basic_string&&, const _Alloc&)):
 771         Define.
 772         * include/bits/fs_path.h [!_GLIBCXX_USE_CXX11_ABI]: Remove special
 773         cases for old basic_string.
 774         * testsuite/21_strings/basic_string/cons/char/8.cc: Test
 775         allocator-extended constructors unconditionally. Add extra members to
 776         allocator type when using old string ABI.
 777         * testsuite/21_strings/basic_string/allocator/71964.cc: Enable test
 778         for old string ABI.
 779         * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
 780
 781         * testsuite/23_containers/list/61347.cc: Avoid spurious failure when
 782         -fno-inline added to test flags.
 783
 784         * testsuite/21_strings/basic_string/requirements/
 785         explicit_instantiation/debug.cc: Remove XFAIL for old ABI.
 786
 787         * testsuite/27_io/filesystem/filesystem_error/copy.cc: Fix static
 788         assertion failures with old std::string ABI.
 789
 790         * include/bits/fs_path.h (path::_List::erase): Replace both overloads
 791         with ...
 792         (path::pop_back(), path::_M_erase_from(const_iterator)): New member
 793         functions that will only erase elements at the end.
 794         * src/filesystem/std-path.cc (path::_List::_Impl::pop_back()): Define.
 795         (path::_List::_Impl::_M_erase_from(const_iterator)): Define.
 796         (path::_List::operator=(const _List&)): Use _M_erase_from(p) instead
 797         of erase(p, end()).
 798         (path::_List::pop_back()): Define.
 799         (path::_List::_M_erase_from(const_iterator)): Define.
 800         (path::operator/=(const path&)): Use pop_back to remove last component
 801         and _M_erase_from to remove multiple components.
 802         (path::_M_append(basic_string_view<value_type>)): Likewise.
 803         (path::operator+=(const path&)): Likewise.
 804         (path::_M_concat(basic_string_view<value_type>)): Likewise.
 805         (path::remove_filename()): Likewise.
 806         (path::lexically_normal()): Use _List::_Impl iterators instead of
 807         path::iterator. Use pop_back to remove components from the end. Clear
 808         trailing filename, instead of using erase(const_iterator) to remove
 809         a non-final component.
 810         * testsuite/27_io/filesystem/path/generation/normal.cc: Test
 811         additional cases.
 812         * testsuite/27_io/filesystem/path/generation/normal2.cc: New test.
 813
 814         * src/filesystem/std-path.cc (path::operator+=(const path&)): Fix
 815         incorrect treatment of empty filename after trailing slash.
 816         * testsuite/27_io/filesystem/path/concat/path.cc: Test problem case.
 817
 818         * testsuite/21_strings/basic_string/modifiers/assign/char/
 819         move_assign_optim.cc: Avoid spurious failure when -fno-inline added
 820         to test flags.
 821         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
 822         move_assign_optim.cc: Likewise.
 823
 824 2019-01-03  Jonathan Wakely  <jwakely@redhat.com>
 825             Jakub Jelinek  <jakub@redhat.com>
 826
 827         PR libstdc++/88607
 828         * include/experimental/memory: Replace UTF-8 quote characters.
 829         * include/std/future: Replace UTF-8 "em dash" characters.
 830
 831 2019-01-03  Jonathan Wakely  <jwakely@redhat.com>
 832
 833         PR libstdc++/88607
 834         * include/bits/forward_list.h: Replace UTF-8 "ligature fi" character.
 835         * include/debug/forward_list: Likewise.
 836         * include/experimental/bits/shared_ptr.h: Remove UTF-8 "section sign"
 837         character.
 838         * include/experimental/chrono: Likewise.
 839         * include/experimental/functional: Likewise.
 840         * include/experimental/ratio: Likewise.
 841         * include/experimental/system_error: Likewise.
 842         * include/experimental/tuple: Likewise.
 843         * include/experimental/type_traits: Likewise.
 844         * include/parallel/workstealing.h: Replace UTF-8 "en dash" character.
 845         * include/parallel/multiseq_selection.h: Likewise.
 846
 847         PR libstdc++/88681
 848         * config/abi/pre/gnu.ver: Add missing exports.
 849         * testsuite/22_locale/collate_byname/88681.cc: New test.
 850         * testsuite/22_locale/time_get/get/char/88681.cc: New test.
 851         * testsuite/22_locale/time_get/get/wchar_t/88681.cc: New test.
 852
 853 2019-01-02  Jonathan Wakely  <jwakely@redhat.com>
 854
 855         * testsuite/23_containers/map/cons/deduction.cc: Test deduction from
 856         initializer_list<value_type> and from input iterator ranges.
 857         * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
 858
 859         * testsuite/experimental/string_view/element_access/char/empty.cc:
 860         Fix year range in copyright header.
 861
 862 2019-01-02  Joel Brobecker  <brobecker@adacore.com>
 863
 864         * testsuite/21_strings/basic_string_view/element_access/char/empty.cc:
 865         Fix year range in copyright header.
 866
 867 2019-01-01  Jakub Jelinek  <jakub@redhat.com>
 868
 869         Update copyright years.
 870 \f
 871 Copyright (C) 2019 Free Software Foundation, Inc.
 872
 873 Copying and distribution of this file, with or without modification,
 874 are permitted in any medium without royalty provided the copyright
 875 notice and this notice are preserved.