libstdc++-v3/ChangeLog

   1 2017-11-05  Gerald Pfeifer  <gerald@pfeifer.com>
   2
   3         * doc/xml/manual/abi.xml: Move docs.oracle.com references to https.
   4
   5 2017-11-03  Jonathan Wakely  <jwakely@redhat.com>
   6
   7         * include/std/type_traits (endian): Define new enumeration type.
   8         * testsuite/20_util/endian/1.cc: New test.
   9
  10         * include/bits/node_handle.h (_Node_insert_return::get): Remove, as
  11         per P0508R0.
  12
  13 2017-11-01  François Dumont  <fdumont@gcc.gnu.org>
  14
  15         * python/libstdcxx/v6/printers.py (StdExpAnyPrinter.__init__): Strip
  16         typename versioned namespace before the substitution.
  17         (StdExpOptionalPrinter.__init__): Likewise.
  18         (StdVariantPrinter.__init__): Likewise.
  19         (Printer.add_version): Inject versioned namespace after std or
  20         __gnu_cxx.
  21         (build_libstdcxx_dictionary): Adapt add_version usages, always pass
  22         namespace first and symbol second.
  23
  24 2017-11-01  Jonathan Wakely  <jwakely@redhat.com>
  25
  26         PR libstdc++/82777
  27         * src/filesystem/std-path.cc (path::lexically_normal): Remove dot-dot
  28         elements correctly.
  29         * testsuite/27_io/filesystem/path/generation/normal.cc: Add testcase.
  30         * testsuite/util/testsuite_fs.h (compare_paths): Improve exception
  31         text.
  32
  33 2017-10-30  Jonathan Wakely  <jwakely@redhat.com>
  34
  35         * include/Makefile.am (stamp-bits-sup): Do not create broken symlink
  36         to stamp-bits.
  37         * include/Makefile.in: Regenerate.
  38
  39         * include/std/fstream (basic_ifstream, basic_ofstream, basic_fstream):
  40         Remove outdated comments about calling c_str() to create a file stream
  41         from a std::string.
  42         (basic_ofstream::basic_ofstream, basic_ofstream::open): Remove
  43         redundant ios_mode::trunc bits from default arguments and comments.
  44
  45         * doc/xml/faq.xml: Adjust "What is libstdc++?" answer slightly.
  46
  47         * include/bits/hashtable_policy.h: Include <tuple>.
  48         * include/std/unordered_map: Only include <bits/stl_pair.h> instead
  49         of <utility> and <tuple>.
  50         * include/std/unordered_set: Likewise.
  51
  52 2017-10-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
  53
  54         Implement LWG 2485
  55         * include/debug/array (get(const array<_Tp, _Nm>&&)): New.
  56         * include/std/array (get(const array<_Tp, _Nm>&&)): Likewise.
  57         * include/std/tuple (get(const tuple<_Elements...>&&)): Likewise.
  58         (get(const tuple<_Types...>&&)): Likewise.
  59         * include/std/utility
  60         (__pair_get::__const_move_get(const std::pair<_Tp1, _Tp2>&&)):
  61         Likewise.
  62         (get(const std::pair<_Tp1, _Tp2>&&)): Likewise.
  63         (get(const pair<_Tp, _Up>&&)): Likewise.
  64         (get(const pair<_Up, _Tp>&&)): Likewise.
  65         * testsuite/20_util/pair/astuple/get.cc: Add tests for
  66         new overloads.
  67         * testsuite/20_util/pair/astuple/get_by_type.cc: Likewise.
  68         * testsuite/20_util/tuple/element_access/get2.cc: Likewise.
  69         * testsuite/20_util/tuple/element_access/get2_by_type.cc: Likewise.
  70         * testsuite/23_containers/array/tuple_interface/get.cc: Likewise.
  71         * testsuite/23_containers/array/tuple_interface/tuple_element_debug_neg.cc:
  72         Adjust.
  73         * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
  74         Likewise.
  75
  76 2017-10-27  Jonathan Wakely  <jwakely@redhat.com>
  77
  78         * include/bits/node_handle.h (_Node_insert_return::get): Avoid
  79         use of std::tie and std::get.
  80
  81         * include/Makefile.am: Put headers in alphabetical order.
  82         * include/Makefile.in: Regenerate.
  83
  84         * include/bits/fs_dir.h (directory_iterator): Remove noexcept from
  85         constructors and increment member (LWG 3013).
  86         (recursive_directory_iterator): Likewise.
  87         * include/bits/fs_ops.h (copy, copy_file, create_directories)
  88         (is_empty, remove_all): Remove noexcept (LWG 3013 and LWG 3014).
  89         * src/filesystem/std-dir.cc (directory_iterator::increment)
  90         (recursive_directory_iterator::increment): Remove noexcept.
  91         * src/filesystem/std-ops.cc (copy, copy_file, create_directories)
  92         (is_empty, remove_all): Remove noexcept
  93
  94         * include/bits/fs_dir.h (file_status): Make default constructor
  95         non-explicit (LWG 2787).
  96         * testsuite/27_io/filesystem/file_status/1.cc: New test.
  97         * testsuite/experimental/filesystem/file_status/1.cc: New test.
  98
  99         * include/std/fstream (basic_filebuf::_If_path): New SFINAE helper.
 100         (basic_filebuf::open<Path>(const Path&, const ios_base::openmode&))
 101         (basic_ifstream<Path>(const Path&, const ios_base::openmode&))
 102         (basic_ifstream::open<Path>(const Path&, const ios_base::openmode&))
 103         (basic_ofstream<Path>(const Path&, const ios_base::openmode&))
 104         (basic_ofstream::open<Path>(const Path&, const ios_base::openmode&))
 105         (basic_fstream<Path>(const Path&, const ios_base::openmode&))
 106         (basic_fstream::open<Path>(const Path&, const ios_base::openmode&)):
 107         New constructors and member functions.
 108         * testsuite/27_io/basic_filebuf/open/char/path.cc: New test.
 109         * testsuite/27_io/basic_fstream/cons/char/path.cc: New test.
 110         * testsuite/27_io/basic_fstream/open/char/path.cc: New test.
 111         * testsuite/27_io/basic_ifstream/cons/char/path.cc: New test.
 112         * testsuite/27_io/basic_ifstream/open/char/path.cc: New test.
 113         * testsuite/27_io/basic_ofstream/cons/char/path.cc: New test.
 114         * testsuite/27_io/basic_ofstream/open/char/path.cc: New test.
 115
 116         * include/bits/fs_path.h (path::format): Define new enumeration type.
 117         (path(string_type&&), path<Source>(const Source&))
 118         (path<InputIterator>(InputIterator, InputIterator))
 119         (path<Source>(const Source&, const locale&))
 120         (path<InputIterator>(InputIterator, InputIterator, const locale&)):
 121         Add format parameter.
 122         * testsuite/27_io/filesystem/path/construct/format.cc: New test.
 123
 124         * include/bits/stl_algo.h (__find_if_not_n, generate_n): Cast to void
 125         to ensure overloaded comma not used.
 126         * include/bits/stl_algobase.h (__fill_n_a, equal): Likewise.
 127         * include/bits/stl_uninitialized.h (__uninitialized_fill_n)
 128         (__uninitialized_fill_n_a, __uninitialized_default_n_1)
 129         (__uninitialized_default_n_a, __uninitialized_copy_n)
 130         (__uninitialized_copy_n_pair): Likewise
 131         * testsuite/20_util/specialized_algorithms/memory_management_tools/1.cc:
 132         Use test iterator wrappers with overloaded comma operator.
 133         * testsuite/25_algorithms/fill_n/1.cc: Likewise.
 134         * testsuite/25_algorithms/generate_n/1.cc: New test.
 135         * testsuite/25_algorithms/stable_partition/1.cc: New test.
 136         * testsuite/util/testsuite_iterators.h (operator,): Add deleted
 137         non-member comma operator with iterator wrappers as right operand.
 138
 139 2017-10-26  Ville Voutilainen  <ville.voutilainen@gmail.com>
 140
 141         Deduction guides for associative containers, debug mode deduction
 142         guide fixes.
 143         * include/bits/stl_iterator.h (__iter_key_t)
 144         (__iter_val_t, __iter_to_alloc_t): New.
 145         * include/bits/stl_map.h: Add deduction guides.
 146         * include/bits/stl_multimap.h: Likewise.
 147         * include/bits/stl_multiset.h: Likewise.
 148         * include/bits/stl_set.h: Likewise.
 149         * include/bits/unordered_map.h: Likewise.
 150         * include/bits/unordered_set.h: Likewise.
 151         * include/debug/deque: Likewise.
 152         * include/debug/forward_list: Likewise.
 153         * include/debug/list: Likewise.
 154         * include/debug/map.h: Likewise.
 155         * include/debug/multimap.h: Likewise.
 156         * include/debug/multiset.h: Likewise.
 157         * include/debug/set.h: Likewise.
 158         * include/debug/unordered_map: Likewise.
 159         * include/debug/unordered_set: Likewise.
 160         * include/debug/vector: Likewise.
 161         * testsuite/23_containers/map/cons/deduction.cc: New.
 162         * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
 163         * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
 164         * testsuite/23_containers/set/cons/deduction.cc: Likewise.
 165         * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
 166         * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
 167         Likewise.
 168         * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
 169         Likewise.
 170         * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
 171
 172 2017-10-25  Jonathan Wakely  <jwakely@redhat.com>
 173
 174         * doc/xml/manual/status_cxx2017.xml: Update C++17 status, and
 175         information on feature-test macros.
 176         * doc/html/*: Regenerate.
 177
 178         PR libstdc++/82716
 179         * include/std/array (tuple_size, tuple_element): Change class-key
 180         from class to struct, to avoid annoying Clang warnings.
 181
 182         PR libstdc++/79283
 183         * src/filesystem/ops.cc (read_symlink): Handle st_size being zero.
 184         * src/filesystem/std-ops.cc (read_symlink): Likewise.
 185         (do_copy_file) [!NEED_DO_COPY_FILE]: Avoid multiple definitions.
 186
 187         * src/filesystem/std-path.cc (path::lexically_normal): Add missing
 188         step to algorithm, for removing dot-dot elements after root-directory.
 189         * testsuite/27_io/filesystem/operations/canonical.cc: Use
 190         compare_paths for more exhaustive checks.
 191         * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
 192         * testsuite/27_io/filesystem/path/append/path.cc: Likewise.
 193         * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
 194         * testsuite/27_io/filesystem/path/concat/strings.cc: Fix comment.
 195         * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
 196         * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
 197         Likewise.
 198         * testsuite/27_io/filesystem/path/generation/normal.cc: Use
 199         compare_paths for more exhaustive checks. Add extra testcases.
 200         * testsuite/27_io/filesystem/path/generation/proximate.cc: Use
 201         compare_paths for more exhaustive checks.
 202         * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
 203         * testsuite/27_io/filesystem/path/generic/generic_string.cc: Remove
 204         unused header.
 205         * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc: Fix
 206         comment.
 207         * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc: Use
 208         compare_paths for more exhaustive checks.
 209         * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
 210         Likewise.
 211         * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
 212         Likewise.
 213         * testsuite/util/testsuite_fs.h (compare_paths): Also compare native
 214         strings.
 215
 216         PR libstdc++/82706
 217         * testsuite/27_io/filesystem/operations/permissions.cc: Fix test.
 218
 219 2017-10-24  François Dumont  <fdumont@gcc.gnu.org>
 220
 221         * testsuite/lib/libstdc++.exp (check_v3_target_normal_mode): Add
 222         c++config.h include.
 223         (check_v3_target_normal_namespace): New.
 224         * testsuite/lib/dg-options.exp (dg-require-normal-namespace): New.
 225         * testsuite/18_support/headers/limits/synopsis.cc: Add latter.
 226         * testsuite/20_util/from_chars/requirements.cc: Likewise.
 227         * testsuite/20_util/headers/functional/synopsis.cc: Likewise.
 228         * testsuite/20_util/headers/memory/synopsis.cc: Likewise.
 229         * testsuite/20_util/headers/utility/synopsis.cc: Likewise.
 230         * testsuite/20_util/to_chars/requirements.cc: Likewise.
 231         * testsuite/21_strings/headers/string/synopsis.cc: Likewise.
 232         * testsuite/22_locale/headers/locale/synopsis.cc: Likewise.
 233         * testsuite/23_containers/headers/bitset/synopsis.cc: Likewise.
 234         * testsuite/23_containers/headers/deque/synopsis.cc: Likewise.
 235         * testsuite/23_containers/headers/forward_list/synopsis.cc: Likewise.
 236         * testsuite/23_containers/headers/list/synopsis.cc: Likewise.
 237         * testsuite/23_containers/headers/map/synopsis.cc: Likewise.
 238         * testsuite/23_containers/headers/queue/synopsis.cc: Likewise.
 239         * testsuite/23_containers/headers/set/synopsis.cc: Likewise.
 240         * testsuite/23_containers/headers/stack/synopsis.cc: Likewise.
 241         * testsuite/23_containers/headers/vector/synopsis.cc: Likewise.
 242         * testsuite/23_containers/map/modifiers/erase/abi_tag.cc: Likewise.
 243         * testsuite/23_containers/multimap/modifiers/erase/abi_tag.cc: Likewise.
 244         * testsuite/23_containers/multiset/modifiers/erase/abi_tag.cc: Likewise.
 245         * testsuite/23_containers/set/modifiers/erase/abi_tag.cc: Likewise.
 246         * testsuite/24_iterators/headers/iterator/synopsis.cc: Likewise.
 247         * testsuite/24_iterators/headers/iterator/synopsis_c++11.cc: Likewise.
 248         * testsuite/24_iterators/headers/iterator/synopsis_c++14.cc: Likewise.
 249         * testsuite/24_iterators/headers/iterator/synopsis_c++17.cc: Likewise.
 250         * testsuite/26_numerics/complex/abi_tag.cc: Likewise.
 251         * testsuite/26_numerics/headers/complex/synopsis.cc: Likewise.
 252         * testsuite/26_numerics/headers/valarray/synopsis.cc: Likewise.
 253         * testsuite/27_io/headers/fstream/synopsis.cc: Likewise.
 254         * testsuite/27_io/headers/ios/synopsis.cc: Likewise.
 255         * testsuite/27_io/headers/istream/synopsis.cc: Likewise.
 256         * testsuite/27_io/headers/ostream/synopsis.cc: Likewise.
 257         * testsuite/27_io/headers/sstream/synopsis.cc: Likewise.
 258         * testsuite/27_io/headers/streambuf/synopsis.cc: Likewise.
 259
 260 2017-10-24  Jonathan Wakely  <jwakely@redhat.com>
 261
 262         * config/locale/gnu/c_locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Ignore
 263         -Wattribute-alias warnings.
 264         * src/c++11/istream-inst.cc: Likewise.
 265         * src/c++11/locale-inst.cc: Likewise.
 266         * src/c++11/ostream-inst.cc: Likewise.
 267         * src/c++11/wlocale-inst.cc: Likewise.
 268         * src/c++98/hash-long-double-tr1-aux.cc: Likewise.
 269
 270         * include/bits/string_view.tcc (find_first_of, find_last_of)
 271         (find_first_not_of, find_last_not_of): Add noexcept.
 272         * include/std/string_view (basic_string_view(const _CharT*))
 273         (basic_string_view(const _CharT*, size_type))
 274         (front, back, remove_prefix, remove_suffix, find, rfind)
 275         (find_first_of, find_first_not_of): Add noexcept.
 276         (at(size_type), _S_compare(size_type, size_type)): Replace conditional
 277         expressions with if statements.
 278         (copy(_CharT*, size_type, size_type), substr(size_type, size_type)):
 279         Use _M_check for length checks.
 280         (compare(basic_string_view)): Reformat.
 281         (_M_check(size_type, const char)): Add noexcept(false).
 282         (_M_limit(size_type, size_type)): Use noexcept not _GLIBCXX_NOEXCEPT.
 283
 284         PR libstdc++/82685
 285         * include/experimental/string_view (operator""sv): Add noexcept.
 286         * include/std/string_view (operator""sv): Likewise.
 287
 288 2017-10-23  Jonathan Wakely  <jwakely@redhat.com>
 289
 290         * include/Makefile.am: Add new headers for C++17 filesystem library.
 291         * include/Makefile.in: Regenerate.
 292         * include/bits/fs_dir.h: New header, based on Filesystem TS code in
 293         include/experimental/bits directory.
 294         * include/bits/fs_fwd.h: Likewise.
 295         * include/bits/fs_ops.h: Likewise.
 296         * include/bits/fs_path.h: Likewise.
 297         * include/experimental/bits/fs_dir.h: Rename Doxygen group.
 298         * include/experimental/bits/fs_fwd.h: Likewise.
 299         * include/experimental/bits/fs_ops.h: Likewise.
 300         * include/experimental/bits/fs_path.h: Likewise.
 301         * include/experimental/filesystem (filesystem_error::_M_gen_what):
 302         Remove inline definition.
 303         * include/precompiled/stdc++.h: Add <filesystem> to precompiled
 304         header.
 305         * include/std/filesystem: New header.
 306         * python/libstdcxx/v6/printers.py: Enable printer for std::filesystem
 307         paths.
 308         * src/filesystem/Makefile.am: Add new files. Compile as C++17.
 309         * src/filesystem/Makefile.in: Regenerate.
 310         * src/filesystem/cow-dir.cc: Update comment.
 311         * src/filesystem/cow-ops.cc: Likewise.
 312         * src/filesystem/cow-path.cc: Likewise.
 313         * src/filesystem/cow-std-dir.cc: New file.
 314         * src/filesystem/cow-std-ops.cc: New file.
 315         * src/filesystem/cow-std-path.cc: New file.
 316         * src/filesystem/dir-common.h (_Dir_base, get_file_type): New header
 317         for common code.
 318         * src/filesystem/dir.cc (_Dir): Derive from _Dir_base.
 319         (open_dir): Move to _Dir_base constructor.
 320         (get_file_type): Move to dir-common.h.
 321         (recurse): Move to _Dir_base::should_recurse.
 322         * src/filesystem/ops-common.h: New header for common code.
 323         * src/filesystem/ops.cc (is_set, make_file_type, make_file_status)
 324         (is_not_found_errno, file_time, do_copy_file): Move to ops-common.h.
 325         * src/filesystem/path.cc (filesystem_error::_M_gen_what): Define.
 326         * src/filesystem/std-dir.cc: New file, based on Filesystem TS code.
 327         * src/filesystem/std-ops.cc: Likewise.
 328         * src/filesystem/std-dir.cc: Likewise.
 329         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: New
 330         test.
 331         * testsuite/27_io/filesystem/iterators/pop.cc: New test.
 332         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
 333         New test.
 334         * testsuite/27_io/filesystem/operations/absolute.cc: New test.
 335         * testsuite/27_io/filesystem/operations/canonical.cc: New test.
 336         * testsuite/27_io/filesystem/operations/copy.cc: New test.
 337         * testsuite/27_io/filesystem/operations/copy_file.cc: New test.
 338         * testsuite/27_io/filesystem/operations/create_directories.cc: New
 339         test.
 340         * testsuite/27_io/filesystem/operations/create_directory.cc: New test.
 341         * testsuite/27_io/filesystem/operations/create_symlink.cc: New test.
 342         * testsuite/27_io/filesystem/operations/current_path.cc: New test.
 343         * testsuite/27_io/filesystem/operations/equivalent.cc: New test.
 344         * testsuite/27_io/filesystem/operations/exists.cc: New test.
 345         * testsuite/27_io/filesystem/operations/file_size.cc: New test.
 346         * testsuite/27_io/filesystem/operations/is_empty.cc: New test.
 347         * testsuite/27_io/filesystem/operations/last_write_time.cc: New test.
 348         * testsuite/27_io/filesystem/operations/permissions.cc: New test.
 349         * testsuite/27_io/filesystem/operations/proximate.cc: New test.
 350         * testsuite/27_io/filesystem/operations/read_symlink.cc: New test.
 351         * testsuite/27_io/filesystem/operations/relative.cc: New test.
 352         * testsuite/27_io/filesystem/operations/remove_all.cc: New test.
 353         * testsuite/27_io/filesystem/operations/space.cc: New test.
 354         * testsuite/27_io/filesystem/operations/status.cc: New test.
 355         * testsuite/27_io/filesystem/operations/symlink_status.cc: New test.
 356         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: New
 357         test.
 358         * testsuite/27_io/filesystem/operations/weakly_canonical.cc: New test.
 359         * testsuite/27_io/filesystem/path/append/path.cc: New test.
 360         * testsuite/27_io/filesystem/path/assign/assign.cc: New test.
 361         * testsuite/27_io/filesystem/path/assign/copy.cc: New test.
 362         * testsuite/27_io/filesystem/path/compare/compare.cc: New test.
 363         * testsuite/27_io/filesystem/path/compare/path.cc: New test.
 364         * testsuite/27_io/filesystem/path/compare/strings.cc: New test.
 365         * testsuite/27_io/filesystem/path/concat/path.cc: New test.
 366         * testsuite/27_io/filesystem/path/concat/strings.cc: New test.
 367         * testsuite/27_io/filesystem/path/construct/copy.cc: New test.
 368         * testsuite/27_io/filesystem/path/construct/default.cc: New test.
 369         * testsuite/27_io/filesystem/path/construct/locale.cc: New test.
 370         * testsuite/27_io/filesystem/path/construct/range.cc: New test.
 371         * testsuite/27_io/filesystem/path/construct/string_view.cc: New test.
 372         * testsuite/27_io/filesystem/path/decompose/extension.cc: New test.
 373         * testsuite/27_io/filesystem/path/decompose/filename.cc: New test.
 374         * testsuite/27_io/filesystem/path/decompose/parent_path.cc: New test.
 375         * testsuite/27_io/filesystem/path/decompose/relative_path.cc: New
 376         test.
 377         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: New
 378         test.
 379         * testsuite/27_io/filesystem/path/decompose/root_name.cc: New test.
 380         * testsuite/27_io/filesystem/path/decompose/root_path.cc: New test.
 381         * testsuite/27_io/filesystem/path/decompose/stem.cc: New test.
 382         * testsuite/27_io/filesystem/path/generation/normal.cc: New test.
 383         * testsuite/27_io/filesystem/path/generation/proximate.cc: New test.
 384         * testsuite/27_io/filesystem/path/generation/relative.cc: New test.
 385         * testsuite/27_io/filesystem/path/generic/generic_string.cc: New test.
 386         * testsuite/27_io/filesystem/path/itr/traversal.cc: New test.
 387         * testsuite/27_io/filesystem/path/modifiers/clear.cc: New test.
 388         * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc: New
 389         test.
 390         * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc: New
 391         test.
 392         * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc: New
 393         test.
 394         * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc: New
 395         test.
 396         * testsuite/27_io/filesystem/path/modifiers/swap.cc: New test.
 397         * testsuite/27_io/filesystem/path/native/string.cc: New test.
 398         * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: New test.
 399         * testsuite/27_io/filesystem/path/query/empty.cc: New test.
 400         * testsuite/27_io/filesystem/path/query/has_extension.cc: New test.
 401         * testsuite/27_io/filesystem/path/query/has_filename.cc: New test.
 402         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: New test.
 403         * testsuite/27_io/filesystem/path/query/has_relative_path.cc: New
 404         test.
 405         * testsuite/27_io/filesystem/path/query/has_root_directory.cc: New
 406         test.
 407         * testsuite/27_io/filesystem/path/query/has_root_name.cc: New test.
 408         * testsuite/27_io/filesystem/path/query/has_root_path.cc: New test.
 409         * testsuite/27_io/filesystem/path/query/has_stem.cc: New test.
 410         * testsuite/27_io/filesystem/path/query/is_relative.cc: New test.
 411         * testsuite/experimental/filesystem/path/construct/string_view.cc:
 412         Define USE_FILESYSTEM_TS.
 413         * testsuite/util/testsuite_fs.h: Allow use with C++17 paths as well
 414         as Filesystem TS.
 415
 416         PR libstdc++/82644
 417         * doc/xml/manual/intro.xml: Include new section.
 418         * doc/xml/manual/status_cxxis29124.xml: New section on IS 29124
 419         status.
 420         * include/bits/specfun.h [__STRICT_ANSI__] (hyperg, hypergf, hypergl)
 421         (conf_hyperg, conf_hypergf, conf_hypergl): Don't declare.
 422         * include/c_compatibility/math.h: Import special functions into
 423         global namespace for C++17.
 424         * testsuite/26_numerics/headers/cmath/82644.cc: New test.
 425         * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc: New
 426         test.
 427
 428 2017-10-21  Jonathan Wakely  <jwakely@redhat.com>
 429
 430         * testsuite/experimental/filesystem/path/itr/traversal.cc: Do not
 431         increment past-the-end iterators.
 432
 433 2017-10-20  Jonathan Wakely  <jwakely@redhat.com>
 434
 435         * include/std/chrono (__cpp_lib_chrono): Update macro value to
 436         indicate support for P0505R0.
 437         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: Check
 438         for updated macro.
 439
 440         * include/c_global/cstddef: Define __cpp_lib_byte feature-test macro.
 441         * testsuite/18_support/byte/requirements.cc: Check macro.
 442
 443 2017-10-19  Jonathan Wakely  <jwakely@redhat.com>
 444
 445         * testsuite/experimental/filesystem/iterators/
 446         recursive_directory_iterator.cc: Ensure that error_code arguments are
 447         cleared when required.
 448         * testsuite/experimental/filesystem/operations/create_directory.cc:
 449         Remove redundant check.
 450         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
 451         Ensure that error_code argument is cleared when required.
 452
 453         * include/experimental/bits/fs_path.h (path::iterator++(int))
 454         (path::iterator--(int)): Fix for paths with only one component.
 455         * testsuite/experimental/filesystem/path/itr/traversal.cc: Test
 456         post-increment and post-decrement.
 457
 458         * doc/xml/manual/status_cxx2017.xml: Update references to C++17
 459         section numbers.
 460
 461         * testsuite/decimal/conversion-to-integral.cc: Use predefined macro
 462         instead of non-standard glibc one.
 463
 464 2017-10-16  François Dumont  <fdumont@gcc.gnu.org>
 465
 466         PR libstdc++/82558
 467         * include/bits/stl_bvector.h (fill): Add iterator offset check.
 468         * testsuite/23_containers/vector/bool/82558.cc: New.
 469
 470 2017-10-13  Jonathan Wakely  <jwakely@redhat.com>
 471
 472         PR libstdc++/82522
 473         * doc/xml/manual/intro.xml: Document LWG 2354 changes.
 474         * include/bits/stl_map.h (map::insert(value_type&&))
 475         (map::insert(const_iterator, value_type&&)): Add overload for rvalues.
 476         * include/bits/stl_multimap.h (multimap::insert(value_type&&))
 477         (multimap::insert(const_iterator, value_type&&)): Likewise.
 478         * include/bits/unordered_map.h (unordered_map::insert(value_type&&))
 479         (unordered_map::insert(const_iterator, value_type&&))
 480         (unordered_multimap::insert(value_type&&))
 481         (unordered_multimap::insert(const_iterator, value_type&&)): Likewise.
 482         * testsuite/23_containers/map/modifiers/insert/dr2354.cc: New test.
 483         * testsuite/23_containers/multimap/modifiers/insert/dr2354.cc: New
 484         test.
 485         * testsuite/23_containers/unordered_map/insert/dr2354.cc: New test.
 486         * testsuite/23_containers/unordered_multimap/insert/dr2354.cc: New
 487         test.
 488
 489         PR libstdc++/82481
 490         * include/std/mutex (call_once): Suppress clang-tidy warnings about
 491         dangling references.
 492
 493 2017-10-10  Jonathan Wakely  <jwakely@redhat.com>
 494
 495         * include/bits/streambuf_iterator.h (istreambuf_iterator::equal):
 496         Update comment about NAD issue.
 497
 498         PR libstdc++/59087
 499         PR libstdc++/82417
 500         * include/c_compatibility/complex.h [!C++98 && __STRICT_ANSI__]: Do
 501         not include C library's <complex.h>.
 502         * testsuite/26_numerics/complex/c99.cc: Depend on __STRICT_ANSI__.
 503         * testsuite/26_numerics/headers/complex.h/std_c++11.h: New test.
 504         * testsuite/26_numerics/headers/complex.h/std_gnu++11.h: New test.
 505         * testsuite/26_numerics/headers/complex.h/std_c++98.h: New test.
 506
 507 2017-10-05  Jonathan Wakely  <jwakely@redhat.com>
 508
 509         * testsuite/20_util/to_chars/1.cc: Add dg-require-string-conversions.
 510
 511 2017-10-04  Petr Ovtchenkov  <ptr@void-ptr.info>
 512             François Dumont  <fdumont@gcc.gnu.org>
 513
 514         * include/bits/streambuf_iterator.h
 515         (istreambuf_iterator<>::operator*()): Do not capture iterator state
 516         in Debug assertion.
 517         (istreambuf_iterator<>::operator++()): Likewise and remove _M_sbuf check.
 518         (istreambuf_iterator<>::operator++(int)): Likewise.
 519         (istreambuf_iterator<>::_M_get()): Remove _M_c assignment.
 520         (istreambuf_iterator<>::_S_is_eof()): New.
 521         (istreambuf_iterator<>::_M_at_eof()): Adapt, use latter.
 522         (find(istreambuf_iterator<>, istreambuf_iterator<>, _CharT)):
 523         Return an iterator with _M_c set to eof to capture streambuf state
 524         on evaluation.
 525         (testsuite/24_iterators/istreambuf_iterator/2.cc): Add checks.
 526
 527 2017-10-03  Jakub Jelinek  <jakub@redhat.com>
 528
 529         * include/std/charconv (__unsigned_least_t): Fix number of closing >s for
 530         !_GLIBCXX_USE_INT128.
 531
 532 2017-10-02  Jonathan Wakely  <jwakely@redhat.com>
 533
 534         * include/Makefile.am: Add new <charconv> header.
 535         * include/Makefile.in: Regenerate.
 536         * include/precompiled/stdc++.h: Include <charconv>.
 537         * include/std/charconv: New file.
 538         (to_chars_result, to_chars, from_chars_result, from_chars): Define.
 539         * testsuite/20_util/from_chars/1.cc: New test.
 540         * testsuite/20_util/from_chars/1_neg.cc: New test.
 541         * testsuite/20_util/from_chars/2.cc: New test.
 542         * testsuite/20_util/from_chars/requirements.cc: New test.
 543         * testsuite/20_util/to_chars/1.cc: New test.
 544         * testsuite/20_util/to_chars/1_neg.cc: New test.
 545         * testsuite/20_util/to_chars/2.cc: New test.
 546         * testsuite/20_util/to_chars/requirements.cc: New test.
 547
 548 2017-09-27  François Dumont  <fdumont@gcc.gnu.org>
 549
 550         * testsuite/22_locale/money_get/get/char/22131.cc: Make test less
 551         istreambuf_iterator implementation dependent.
 552         * testsuite/22_locale/money_get/get/wchar_t/22131.cc: Likewise.
 553
 554 2017-09-25  Uros Bizjak  <ubizjak@gmail.com>
 555
 556         PR c/81854
 557         * src/c++98/complex_io.cc (_GLIBCXX_LDBL_COMPAT): Declare alias
 558         target as a C++ function with no prototype.
 559
 560 2017-09-21  Jonathan Wakely  <jwakely@redhat.com>
 561
 562         * testsuite/25_algorithms/clamp/1.cc: Fix order of arguments and
 563         expected results when using predicate defining reverse order.
 564         * testsuite/25_algorithms/clamp/constexpr.cc: Likewise.
 565
 566 2017-09-20  Jonathan Wakely  <jwakely@redhat.com>
 567
 568         PR libstdc++/79162
 569         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
 570         (basic_string::_If_sv): Remove from the overload set when the
 571         argument is derived from basic_string.
 572
 573         PR libstdc++/79162
 574         * include/bits/basic_string.h (basic_string::_If_sv): Remove from the
 575         overload set when the argument is derived from basic_string.
 576         * testsuite/21_strings/basic_string/cons/char/moveable2_c++17.cc: New
 577         test.
 578         * testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc:
 579         New test.
 580
 581         * testsuite/24_iterators/range_access_cpp17.cc: Fix order of dg-do
 582         and dg-options directives. Fix invalid test.
 583
 584         PR libstdc++/81469
 585         * libsupc++/exception (uncaught_exception): Deprecate for C++17.
 586         * testsuite/18_support/exception_ptr/62258.cc: Add -Wno-deprecated.
 587         * testsuite/18_support/uncaught_exception/14026.cc: Likewise.
 588
 589         * include/bits/c++config (_GLIBCXX17_DEPRECATED): Define.
 590         * include/bits/functional_hash.h (__hash_base::result_type)
 591         (__hash_base::argument_type): Add _GLIBCXX17_DEPRECATED.
 592         * include/std/optional (hash<optional<T>>::result_type)
 593         (hash<optional<T>>::argument_type): Add deprecated attribute.
 594         (__is_fast_hash<hash<optional<T>>>): Add partial specialization.
 595         * include/std/variant (hash<variant<Types...>>::result_type)
 596         (hash<variant<Types...>>::argument_type): Add deprecated attribute.
 597         (__is_fast_hash<hash<variant<Types...>>>): Add partial specialization.
 598
 599         * libsupc++/exception_ptr.h (copy_exception): Remove deprecated
 600         non-standard function.
 601
 602         PR libstdc++/82262
 603         * include/std/optional (__optional_hash_call_base): Add template
 604         parameter for remove_const_t<_Tp> and use it consistently.
 605         * testsuite/20_util/optional/hash.cc: Test optional<const T>.
 606
 607 2017-09-19  Jonathan Wakely  <jwakely@redhat.com>
 608
 609         PR libstdc++/71500
 610         * include/bits/regex_executor.tcc
 611         (_Backref_matcher<BidIt, regex_traits<C>>::_M_apply): Use
 612         std::__equal4 instead of C++14 4-iterator overloads of std::equal.
 613         * include/bits/stl_algobase.h (__equal4): New functions implementing
 614         4-iterator overloads of std::equal for use in C++11.
 615         (equal(It1, It1, It2, It2), equal(It1, It1, It2, It2, BinaryPred)):
 616         Move function bodies to new __equal4 functions.
 617         * testsuite/28_regex/simple_c++11.cc: New.
 618
 619         PR libstdc++/82254
 620         * include/std/type_traits (__is_invocable): Add partial specialization
 621         for INVOKE<void> case and remove is_void<R> check from partial
 622         specialization for INVOKE<R> case.
 623         (__is_nt_invocable_impl): New helper for is_nothrow_invocable_r.
 624         (is_nothrow_invocable_r): Use __is_nt_invocable_impl.
 625         * testsuite/20_util/is_nothrow_invocable/value.cc: Add tests for
 626         conversions that can throw or fail to convert. Use static assert
 627         strings to explain negative results.
 628         * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Use
 629         is_nothrow_constructible in is_nt_invocable_conv.
 630
 631 2017-09-18  Jonathan Wakely  <jwakely@redhat.com>
 632
 633         PR libstdc++/81468
 634         * testsuite/20_util/duration/cons/dr1177.cc: Fix incorrect test and
 635         improve static assertion messages.
 636
 637         * include/std/utility (_Itup_cat, _Make_integer_sequence): Remove.
 638         (_Build_index_tuple, make_integer_sequence): Use built-in to generate
 639         pack expansion.
 640
 641         PR libstdc++/71187
 642         * include/std/type_traits (__declval): New function to deduce return
 643         type of declval.
 644         (__declval_protector::_delegate): Remove.
 645         (declval): Use __declval instead of add_rvalue_reference and
 646         __declval_protector::__delegate.
 647         * testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error
 648         lineno.
 649         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
 650         Likewise.
 651         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
 652         Likewise.
 653
 654 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
 655
 656         * testsuite/libstdc++-prettyprinters/cxx17.cc: Use -std=c++17 or
 657         -std=gnu++17 instead of -std=c++1z or -std=gnu++1z.  Use c++17 instead
 658         of c++1z and c++17_only instead of c++1z_only.  Adjust expected
 659         diagnostics and comments refering to 1z to 17.
 660         * testsuite/30_threads/lock_guard/cons/deduction.cc: Likewise.
 661         * testsuite/30_threads/scoped_lock/cons/deduction.cc: Likewise.
 662         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
 663         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
 664         * testsuite/30_threads/scoped_lock/requirements/explicit_instantiation.cc:
 665         Likewise.
 666         * testsuite/30_threads/unique_lock/cons/deduction.cc: Likewise.
 667         * testsuite/18_support/launder/1.cc (test02): Likewise.
 668         * testsuite/18_support/launder/requirements_neg.cc: Likewise.
 669         * testsuite/18_support/launder/requirements.cc: Likewise.
 670         * testsuite/18_support/byte/requirements.cc: Likewise.
 671         * testsuite/18_support/byte/ops.cc: Likewise.
 672         * testsuite/18_support/byte/global_neg.cc: Likewise.
 673         * testsuite/18_support/uncaught_exceptions/uncaught_exceptions.cc:
 674         Likewise.
 675         * testsuite/27_io/types/4.cc: Likewise.
 676         * testsuite/25_algorithms/sample/81221.cc: Likewise.
 677         * testsuite/25_algorithms/sample/1.cc: Likewise.
 678         * testsuite/25_algorithms/sample/2.cc: Likewise.
 679         * testsuite/25_algorithms/search/searcher.cc: Likewise.
 680         * testsuite/28_regex/basic_regex/ctors/deduction.cc: Likewise.
 681         * testsuite/experimental/filesystem/path/construct/string_view.cc:
 682         Likewise.
 683         * testsuite/24_iterators/range_access_cpp17.cc: Likewise.
 684         * testsuite/24_iterators/container_access.cc: Likewise.
 685         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
 686         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
 687         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
 688         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
 689         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
 690         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
 691         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
 692         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
 693         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
 694         * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
 695         * testsuite/20_util/shared_ptr/cons/deduction.cc: Likewise.
 696         * testsuite/20_util/shared_ptr/cons/array.cc: Likewise.
 697         * testsuite/20_util/shared_ptr/observers/array.cc (struct A): Likewise.
 698         * testsuite/20_util/pair/cons/deduction.cc: Likewise.
 699         * testsuite/20_util/variant/deduction.cc: Likewise.
 700         * testsuite/20_util/tuple/78939.cc: Likewise.
 701         * testsuite/20_util/tuple/cons/deduction.cc: Likewise.
 702         * testsuite/20_util/void_t/1.cc: Likewise.
 703         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: Likewise.
 704         * testsuite/20_util/unique_ptr/cons/deduction_neg.cc: Likewise.
 705         * testsuite/20_util/addressof/requirements/constexpr.cc: Likewise.
 706         * testsuite/20_util/weak_ptr/cons/deduction.cc: Likewise.
 707         * testsuite/20_util/has_unique_object_representations/requirements/typedefs.cc:
 708         Likewise.
 709         * testsuite/20_util/has_unique_object_representations/requirements/explicit_instantiation.cc:
 710         Likewise.
 711         * testsuite/20_util/has_unique_object_representations/value.cc:
 712         Likewise.
 713         * testsuite/20_util/time_point/arithmetic/constexpr.cc: Likewise.
 714         * testsuite/20_util/function_objects/invoke/59768.cc: Likewise.
 715         * testsuite/20_util/function_objects/mem_fn/80478.cc: Likewise.
 716         * testsuite/20_util/function/cons/deduction.cc: Likewise.
 717         * testsuite/20_util/specialized_algorithms/memory_management_tools/destroy_neg.cc:
 718         Likewise.
 719         * testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
 720         * testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
 721         Likewise.
 722         * testsuite/20_util/is_aggregate/value.cc: Likewise.
 723         * testsuite/26_numerics/lcm/1.cc: Likewise.
 724         * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
 725         * testsuite/26_numerics/gcd/1.cc: Likewise.
 726         * testsuite/26_numerics/gcd/gcd_neg.cc: Likewise.
 727         * testsuite/26_numerics/valarray/deduction.cc: Likewise.
 728         * testsuite/26_numerics/headers/cmath/types_std_c++0x_neg.cc: Likewise.
 729         * testsuite/26_numerics/headers/cmath/hypot.cc: Likewise.
 730         * testsuite/23_containers/queue/members/emplace_cxx17_return.cc:
 731         Likewise.
 732         * testsuite/23_containers/array/cons/deduction.cc: Likewise.
 733         * testsuite/23_containers/array/cons/deduction_neg.cc: Likewise.
 734         * testsuite/23_containers/deque/modifiers/emplace/cxx17_return.cc:
 735         Likewise.
 736         * testsuite/23_containers/deque/cons/deduction.cc: Likewise.
 737         * testsuite/23_containers/stack/members/emplace_cxx17_return.cc:
 738         Likewise.
 739         * testsuite/23_containers/list/modifiers/emplace/cxx17_return.cc:
 740         Likewise.
 741         * testsuite/23_containers/list/cons/deduction.cc: Likewise.
 742         * testsuite/23_containers/forward_list/modifiers/emplace_cxx17_return.cc:
 743         Likewise.
 744         * testsuite/23_containers/forward_list/cons/deduction.cc: Likewise.
 745         * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Likewise.
 746         * testsuite/23_containers/vector/modifiers/emplace/cxx17_return.cc:
 747         Likewise.
 748         * testsuite/23_containers/vector/cons/deduction.cc: Likewise.
 749         * testsuite/23_containers/vector/bool/emplace_cxx17_return.cc:
 750         Likewise.
 751         * testsuite/21_strings/basic_string/cons/char/9.cc: Likewise.
 752         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Likewise.
 753         * testsuite/21_strings/basic_string/cons/char/79162.cc: Likewise.
 754         * testsuite/21_strings/basic_string/cons/wchar_t/9.cc: Likewise.
 755         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
 756         Likewise.
 757         * testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: Likewise.
 758         * testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc:
 759         Likewise.
 760         * testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc:
 761         Likewise.
 762         * testsuite/21_strings/basic_string_view/operations/compare/char/2.cc:
 763         Likewise.
 764         * testsuite/21_strings/basic_string_view/operations/compare/char/70483.cc:
 765         Likewise.
 766         * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/2.cc:
 767         Likewise.
 768         * testsuite/21_strings/char_traits/requirements/constexpr_functions_c++17.cc:
 769         Likewise.
 770
 771 2017-09-13  Jonathan Wakely  <jwakely@redhat.com>
 772
 773         PR libstdc++/81468
 774         * include/std/chrono (__enable_if_is_duration)
 775         (__disable_if_is_duration): New alias templates to simplify SFINAE.
 776         (duration_cast, floor, ceil): Use __enable_if_is_duration.
 777         (duration::__is_float, duration::__is_harmonic): New alias templates
 778         to simplify SFINAE.
 779         (duration::duration(const _Rep2&)): Use _Require, __is_float and
 780         __is_harmonic.
 781         (duration::duration(const duration<_Rep2, _Period2>&)): Likewise.
 782         (__common_rep_type): Remove, replace with ...
 783         (__common_rep_t): New alias template.
 784         (operator*, operator/, operator%): Use __common_rep_t and
 785         __disable_if_is_duration.
 786         (time_point::time_point(const time_point<clock, _Dur2>&)): Add missing
 787         constraint from LWG DR 1177.
 788         * testsuite/20_util/duration/cons/dr1177.cc: New.
 789         * testsuite/20_util/duration/literals/range.cc: Update dg-error line.
 790         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
 791         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
 792         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
 793         * testsuite/20_util/time_point/cons/81468.cc: New.
 794
 795         * doc/doxygen/mainpage.html: Fix broken URLs.
 796
 797         PR libstdc++/81835
 798         * doc/xml/manual/extensions.xml: Replace unstable URL.
 799         * doc/html/manual/ext_demangling.html: Regenerate.
 800         * libsupc++/cxxabi.h (__cxa_demangle): Fix broken URL.
 801
 802         * include/bits/allocated_ptr.h (__allocated_ptr::get): Use
 803         __to_address.
 804         (__allocated_ptr::_S_raw_ptr): Remove.
 805         * include/bits/forward_list.h (_Fwd_list_base::_M_get_node): Use
 806         __to_address.
 807         * include/bits/hashtable_policy.h (_Hashtable_alloc): Likewise.
 808         * include/bits/ptr_traits.h (__to_address): Define new function
 809         template.
 810         * include/bits/shared_ptr_base.h (__shared_ptr): Use __to_address.
 811         (__shared_ptr::_S_raw_ptr): Remove.
 812         * include/bits/stl_vector.h [__cplusplus >= 201103L]
 813         (vector::_M_data_ptr): Use __to_address.
 814         [__cplusplus < 201103L] (vector::_M_data_ptr): Don't dereference
 815         possibly invalid pointers.
 816         * include/ext/alloc_traits.h (__alloc_traits::construct)
 817         (__alloc_traits::destroy): Use __to_address.
 818
 819 2017-09-12  Jonathan Wakely  <jwakely@redhat.com>
 820
 821         PR libstdc++/79433
 822         * include/Makefile.am: Remove <bits/c++14_warning.h>.
 823         * include/Makefile.in: Regenerate.
 824         * include/bits/c++14_warning.h: Remove.
 825         * include/experimental/algorithm: Do not include <c++14_warning.h>.
 826         * include/experimental/any: Likewise.
 827         * include/experimental/array: Likewise.
 828         * include/experimental/bits/erase_if.h: Likewise.
 829         * include/experimental/bits/lfts_config.h: Likewise.
 830         * include/experimental/bits/shared_ptr.h: Likewise.
 831         * include/experimental/bits/string_view.tcc: Likewise.
 832         * include/experimental/chrono: Likewise.
 833         * include/experimental/deque: Likewise.
 834         * include/experimental/filesystem: Do not include <c++0x_warning.h>.
 835         * include/experimental/forward_list: Do not include <c++14_warning.h>.
 836         * include/experimental/functional: Likewise.
 837         * include/experimental/iterator: Likewise.
 838         * include/experimental/list: Likewise.
 839         * include/experimental/map: Likewise.
 840         * include/experimental/memory: Likewise.
 841         * include/experimental/numeric: Likewise.
 842         * include/experimental/optional: Likewise.
 843         * include/experimental/propagate_const: Likewise.
 844         * include/experimental/ratio: Likewise.
 845         * include/experimental/regex: Likewise.
 846         * include/experimental/set: Likewise.
 847         * include/experimental/string: Likewise.
 848         * include/experimental/string_view: Likewise.
 849         * include/experimental/system_error: Likewise.
 850         * include/experimental/tuple: Likewise.
 851         * include/experimental/type_traits: Likewise.
 852         * include/experimental/unordered_map: Likewise.
 853         * include/experimental/unordered_set: Likewise.
 854         * include/experimental/vector: Likewise.
 855         * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error
 856         line number.
 857         * testsuite/experimental/array/neg.cc: Likewise.
 858         * testsuite/experimental/propagate_const/assignment/move_neg.cc:
 859         Likewise.
 860         * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
 861         * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
 862         * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
 863         * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
 864         * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
 865
 866         PR libstdc++/79433
 867         * doc/xml/manual/status_cxx2017.xml: Update feature-test macros.
 868         * doc/html/*: Regenerate.
 869         * include/Makefile.am: Remove <bits/c++17_warning.h>.
 870         * include/Makefile.in: Regenerate.
 871         * include/bits/c++17_warning.h: Remove.
 872         * include/bits/string_view.tcc: Do not include <bits/c++17_warning.h>
 873         for pre-C++17 modes.
 874         * include/std/any: Likewise.
 875         (__cpp_lib_any): Define.
 876         * include/std/mutex (__cpp_lib_scoped_lock): Adjust value as per new
 877         SD-6 draft.
 878         * include/std/numeric (__cpp_lib_gcd_lcm): Define as per new SD-6
 879         draft.
 880         * include/std/optional: Do not include <bits/c++17_warning.h>.
 881         (__cpp_lib_optional): Define.
 882         * include/std/shared_mutex: Do not include <bits/c++14_warning.h>.
 883         * include/std/string_view: Do not include <bits/c++17_warning.h>.
 884         (__cpp_lib_string_view): Define.
 885         * include/std/variant: Do not include <bits/c++17_warning.h>.
 886         (__cpp_lib_variant): Define.
 887         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error line
 888         numbers.
 889         * testsuite/26_numerics/gcd/1.cc: Test for __cpp_lib_gcd_lcm.
 890         * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line
 891         numbers.
 892         * testsuite/26_numerics/lcm/1.cc: Test for __cpp_lib_gcd_lcm.
 893         * testsuite/26_numerics/lcm/lcm_neg.cc: Adjust dg-error line
 894         numbers.
 895         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Adjust
 896         expected value of __cpp_lib_scoped_lock.
 897
 898         PR libstdc++/70483
 899         * include/experimental/bits/string_view.tcc (basic_string_view::find)
 900         (basic_string_view::rfind, basic_string_view::find_first_of)
 901         (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
 902         (basic_string_view::find_last_not_of): Add constexpr specifier.
 903         * include/experimental/string_view (basic_string_view::remove_prefix)
 904         (basic_string_view::remove_suffix, basic_string_view::swap)
 905         (basic_string_view::compare, basic_string_view::find)
 906         (basic_string_view::rfind, basic_string_view::find_first_of)
 907         (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
 908         (basic_string_view::find_last_not_of, operator==, operator!=)
 909         (operator<, operator>, operator<=, operator>=): Likewise.
 910         * testsuite/experimental/string_view/operations/compare/char/70483.cc:
 911         New.
 912
 913 2017-09-11  Jonathan Wakely  <jwakely@redhat.com>
 914
 915         PR libstdc++/70483
 916         * include/bits/string_view.tcc (basic_string_view::find)
 917         (basic_string_view::rfind, basic_string_view::find_first_of)
 918         (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
 919         (basic_string_view::find_last_not_of): Add constexpr specifier.
 920         * include/std/string_view (basic_string_view::operator=)
 921         (basic_string_view::rbegin, basic_string_view::rend)
 922         (basic_string_view::crbegin, basic_string_view::crend)
 923         (basic_string_view::remove_prefix, basic_string_view::remove_suffix)
 924         (basic_string_view::swap, basic_string_view::compare)
 925         (basic_string_view::find, basic_string_view::rfind)
 926         (basic_string_view::find_first_of, basic_string_view::find_last_of)
 927         (basic_string_view::find_first_not_of)
 928         (basic_string_view::find_last_not_of, basic_string_view::_M_check)
 929         (basic_string_view::_M_limit, operator==, operator!=, operator<)
 930         (operator>, operator<=, operator>=): Likewise.
 931         * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
 932         char/1.cc: Repeat tests in constexpr context.
 933         * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
 934         wchar_t/1.cc: Likewise.
 935         * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
 936         char/1.cc: Likewise.
 937         * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
 938         wchar_t/1.cc: Likewise.
 939         * testsuite/21_strings/basic_string_view/operations/find/char/1.cc:
 940         Likewise.
 941         * testsuite/21_strings/basic_string_view/operations/find/char/2.cc:
 942         Likewise.
 943         * testsuite/21_strings/basic_string_view/operations/find/char/3.cc:
 944         Likewise.
 945         * testsuite/21_strings/basic_string_view/operations/find/wchar_t/1.cc:
 946         Likewise.
 947         * testsuite/21_strings/basic_string_view/operations/find/wchar_t/2.cc:
 948         Likewise.
 949         * testsuite/21_strings/basic_string_view/operations/find/wchar_t/3.cc:
 950         Likewise.
 951         * testsuite/21_strings/basic_string_view/operators/char/2.cc:
 952         Likewise.
 953         * testsuite/21_strings/basic_string_view/operators/wchar_t/2.cc:
 954         Likewise.
 955         * testsuite/21_strings/basic_string_view/range_access/char/1.cc: Test
 956         cbegin, cend, rbegin, rend, crbegin and crend.
 957         * testsuite/21_strings/basic_string_view/range_access/wchar_t/1.cc:
 958         Likewise.
 959         * testsuite/21_strings/basic_string_view/operations/compare/char/1.cc:
 960         Remove trailing whitespace.
 961         * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/
 962         1.cc: Likewise.
 963         * testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc:
 964         New.
 965         * testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc:
 966         New.
 967         * testsuite/21_strings/basic_string_view/operations/compare/char/2.cc:
 968         New.
 969         * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/
 970         2.cc: New.
 971
 972 2017-09-11  Tim Shen  <timshen@google.com>
 973
 974         PR libstdc++/71500
 975         * include/bits/regex_executor.tcc: Support icase in regex_traits<...>
 976         for back reference matches.
 977         * testsuite/28_regex/regression.cc: Test case.
 978
 979 2017-09-11  Jonathan Wakely  <jwakely@redhat.com>
 980
 981         * testsuite/21_strings/basic_string/lwg2946.cc: Adjust for
 982         compatibility with old COW std::string.
 983
 984 2017-09-09  Gerald Pfeifer  <gerald@pfeifer.com>
 985
 986         * doc/xml/manual/allocator.xml: Adjust link for Hoard.
 987         * doc/html/manual/memory.html: Regenerate.
 988
 989 2017-09-04  Daniel Kruegler  <daniel.kruegler@gmail.com>
 990
 991         PR libstdc++/79162
 992         Implement LWG 2946, LWG 2758's resolution missed further corrections
 993         * include/bits/basic_string.h (basic_string::compare): Add missing
 994         required noexcept specifications.
 995         (basic_string): Introduce internal _S_to_string_view and __sv_wrapper
 996         for implicit string_view conversion.
 997         (basic_string::basic_string): Fix explicit string_view conversion by
 998         implicit conversion using _S_to_string_view and __sv_wrapper.
 999         (basic_string): Introduce internal basic_string(__sv_wrapper, Alloc)
1000         constructor.
1001         (basic_string): Fix operator=(T) template by operator=(const T&)
1002         template for uncopyable types (PR 79162).
1003         (basic_string::operator+=, basic_string::append, basic_string::assign)
1004         (basic_string::insert, basic_string::replace, basic_string::find)
1005         (basic_string::rfind, basic_string::find_first_of)
1006         (basic_string::find_last_of, basic_string::find_first_not_of)
1007         (basic_string::find_last_not_of, basic_string::compare): Replace
1008         __sv_type argument by template const T& (LWG 2946) and correct
1009         documentation describing __sv_type argument.
1010         (basic_string::find, basic_string::rfind, basic_string::find_first_of)
1011         (basic_string::find_last_of, basic_string::find_first_not_of)
1012         (basic_string::find_last_not_of, basic_string::compare): Replace
1013         unconditional noexcept specification by conditional noexcept
1014         specification to partially balance the removal of noexcept by LWG 2946.
1015         * testsuite/21_strings/basic_string/79162.cc: New.
1016         * testsuite/21_strings/basic_string/lwg2946.cc: New.
1017
1018 2017-08-31  Jonathan Wakely  <jwakely@redhat.com>
1019
1020         PR c++/82039
1021         * include/ext/new_allocator.h (__gnu_cxx::new_allocator::allocate):
1022         Adjust null pointer constant to avoid warning.
1023
1024 2017-08-24  François Dumont  <fdumont@gcc.gnu.org>
1025
1026         * include/bits/stl_list.h
1027         [!_GLIBCXX_INLINE_VERSION](_List_base<>::_S_distance): Remove.
1028         (_List_impl(_Node_alloc_type&&, _List_impl&&)): New.
1029         (_List_base(_Node_alloc_type&&, _List_base&&)): New, use latter.
1030         [!_GLIBCXX_INLINE_VERSION](_List_base(_Node_alloc_type&&,_List_base&&)):
1031         Remove.
1032         (_List_base(_Node_alloc_type&&)): New.
1033         [!_GLIBCXX_INLINE_VERSION](_List_base<>::_M_distance): Remove.
1034         [!_GLIBCXX_INLINE_VERSION](_List_base<>::_M_node_count): Remove.
1035         (list<>::_M_node_count): New.
1036         (list<>::size()): Adapt to call latter.
1037         (list<>::_S_distance(const_iterator, const_iterator)): New.
1038         (list<>::splice(iterator, list&, const_iterator, const_iterator)):
1039         Adapt to call latter.
1040         (list(list&&, const allocator_type&, true_type)): New.
1041         (list(list&&, const allocator_type&, false_type)): New.
1042         (list(list&&, const allocator_type&)): Adapt to call latters.
1043
1044 2017-08-21  Jonathan Wakely  <jwakely@redhat.com>
1045
1046         PR libstdc++/81912
1047         * include/bits/stl_iterator_base_types.h (__iterator_category): Add
1048         constexpr for C++11 and later.
1049         * testsuite/24_iterators/container_access.cc: Add target selector.
1050         * testsuite/24_iterators/range_access.cc: Fix clause number in
1051         comment.
1052         * testsuite/24_iterators/range_access_cpp14.cc: Likewise.
1053         * testsuite/24_iterators/range_access_cpp17.cc: New.
1054
1055 2017-08-21  Richard Biener  <rguenther@suse.de>
1056
1057         * testsuite/libstdc++-prettyprinters/prettyprinters.exp: Run all
1058         tests with -flto as well if supported.
1059
1060 2017-08-20  Martin Sebor  <msebor@redhat.com>
1061
1062         PR c/81854
1063         * src/c++98/compatibility.cc (_GLIBCXX_3_4_SYMVER): Declare alias
1064         target as a C++ function with no prototype.
1065         (_GLIBCXX_3_4_5_SYMVER): Ditto.
1066
1067 2017-08-20  John David Anglin  <danglin@gcc.gnu.org>
1068
1069         PR testsuite/81056
1070         * testsuite/17_intro/names.cc: Undef 'd' and 'r' on __hpux__.
1071
1072 2017-08-18  Jonathan Wakely  <jwakely@redhat.com>
1073
1074         * include/bits/hashtable_policy.h (_ReuseOrAllocNode): Remove
1075         __value_alloc_type and __value_alloc_traits typedefs.
1076         (_ReuseOrAllocNode::operator()): Call construct and destroy on the
1077         node allocator.
1078         (_Hashtable_alloc): Simplify __value_alloc_traits typedef.
1079         (_Hashtable_alloc<_NodeAlloc>::_M_allocate_node(_Args&&...)): Call
1080         construct on the node allocator.
1081         (_Hashtable_alloc<_NodeAlloc>::_M_deallocate_node(__node_type*)): Call
1082         destroy on the node allocator.
1083
1084         PR libstdc++/81891
1085         * include/bits/hashtable.h (_Hashtable(_InputIterator, _InputIterator,
1086         size_type, const _H1&, const _H2&, const _Hash&, const _Equal&,
1087         const _ExtractKey&, const allocator_type&)): Let destructor do clean
1088         up if an exception is thrown.
1089         * testsuite/23_containers/unordered_map/cons/81891.cc: New.
1090
1091 2017-08-11  Jonathan Wakely  <jwakely@redhat.com>
1092
1093         PR libstdc++/81808
1094         * testsuite/27_io/basic_fstream/53984.cc: Adjust test for targets
1095         that allow opening a directory as a FILE and reading from it.
1096
1097 2017-08-09  Jonathan Wakely  <jwakely@redhat.com>
1098
1099         * include/std/type_traits (_GLIBCXX_NO_BUILTIN_HAS_UNIQ_OBJ_REP):
1100         Replace with _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP and use
1101         __is_identifier to set it.
1102
1103 2017-08-09  Katsuhiko Nishimra  <ktns.87@gmail.com>
1104
1105         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Use
1106         __is_identifier instead of __has_builtin.
1107
1108 2017-08-09  Jonathan Wakely  <jwakely@redhat.com>
1109
1110         PR libstdc++/79820
1111         PR libstdc++/81751
1112         * config/io/basic_file_stdio.cc (sys_open(FILE*, ios_base::openmode)):
1113         Call fflush on the stream instead of calling sync() while _M_cfile is
1114         null. Restore original value of errno.
1115         * testsuite/ext/stdio_filebuf/char/79820.cc: New.
1116         * testsuite/ext/stdio_filebuf/char/81751.cc: New.
1117
1118 2017-07-31  Marek Polacek  <polacek@redhat.com>
1119
1120         PR libstdc++/81599
1121         * include/bits/stl_stack.h: Fix typo.
1122
1123 2017-07-26  Jonathan Wakely  <jwakely@redhat.com>
1124
1125         * testsuite/27_io/basic_fstream/53984.cc: Fix test.
1126
1127 2017-07-26  Paolo Carlini  <paolo.carlini@oracle.com>
1128
1129         * testsuite/27_io/basic_fstream/53984.cc: Fix typo in dg-require
1130         directive.
1131
1132 2017-07-25  Jonathan Wakely  <jwakely@redhat.com>
1133
1134         PR libstdc++/53984
1135         * include/bits/basic_ios.h (basic_ios::_M_setstate): Adjust comment.
1136         * include/bits/istream.tcc (basic_istream::sentry): Handle exceptions
1137         during construction.
1138         * include/std/istream: Adjust comments for formatted input functions
1139         and unformatted input functions.
1140         * testsuite/27_io/basic_fstream/53984.cc: New.
1141         * testsuite/27_io/basic_istream/sentry/char/53984.cc: New.
1142
1143         * include/bits/ios_base.h (ios_base::io_state, ios_base::open_mode)
1144         (ios_base::seek_dir): Remove for C++17.
1145         * include/std/streambuf (basic_streambuf::stossc): Remove for C++17.
1146         Add deprecated attribute for C++11 and C++14.
1147         * testsuite/27_io/types/1.cc: Don't run for C++17 and later.
1148         * testsuite/27_io/types/4.cc: New.
1149
1150 2017-07-23  Michael Collison  <michael.collison@arm.com>
1151
1152         Add optimized implementation of mersenne twister for aarch64
1153         * config/cpu/aarch64/opt/ext/opt_random.h: New file.
1154         (__arch64_recursion): New function.
1155         (__aarch64_lsr_128): New function.
1156         (__aarch64_lsl_128): New function.
1157         (operator==): New function.
1158         (simd_fast_mersenne_twister_engine): Implement
1159         method _M_gen_rand.
1160         * config/cpu/aarch64/opt/bits/opt_random.h: New file.
1161         * include/ext/random: (simd_fast_mersenne_twister_engine):
1162         add _M_state private array.
1163
1164 2017-07-23  François Dumont  <fdumont@gcc.gnu.org>
1165
1166         PR libstdc++/81064
1167         * include/bits/algorithmfwd.h: Reorganize versioned namespace.
1168         * include/bits/basic_string.h: Likewise.
1169         * include/bits/c++config: Likewise.
1170         * include/bits/deque.tcc: Likewise.
1171         * include/bits/forward_list.h: Likewise.
1172         * include/bits/forward_list.tcc: Likewise.
1173         * include/bits/hashtable_policy.h: Likewise.
1174         * include/bits/list.tcc: Likewise.
1175         * include/bits/move.h: Likewise.
1176         * include/bits/quoted_string.h: Likewise.
1177         * include/bits/random.h: Likewise.
1178         * include/bits/random.tcc: Likewise.
1179         * include/bits/regex.h: Likewise.
1180         * include/bits/regex.tcc: Likewise.
1181         * include/bits/regex_automaton.h: Likewise.
1182         * include/bits/regex_automaton.tcc: Likewise.
1183         * include/bits/regex_compiler.h: Likewise.
1184         * include/bits/regex_compiler.tcc: Likewise.
1185         * include/bits/regex_constants.h: Likewise.
1186         * include/bits/regex_error.h: Likewise.
1187         * include/bits/regex_executor.h: Likewise.
1188         * include/bits/regex_executor.tcc: Likewise.
1189         * include/bits/regex_scanner.h: Likewise.
1190         * include/bits/regex_scanner.tcc: Likewise.
1191         * include/bits/specfun.h: Likewise.
1192         * include/bits/stl_algo.h: Likewise.
1193         * include/bits/stl_algobase.h: Likewise.
1194         * include/bits/stl_bvector.h: Likewise.
1195         * include/bits/stl_deque.h: Likewise.
1196         * include/bits/stl_iterator.h: Likewise.
1197         * include/bits/stl_iterator_base_funcs.h: Likewise.
1198         * include/bits/stl_list.h: Likewise.
1199         * include/bits/stl_map.h: Likewise.
1200         * include/bits/stl_multimap.h: Likewise.
1201         * include/bits/stl_multiset.h: Likewise.
1202         * include/bits/stl_relops.h: Likewise.
1203         * include/bits/stl_set.h: Likewise.
1204         * include/bits/stl_vector.h: Likewise.
1205         * include/bits/uniform_int_dist.h: Likewise.
1206         * include/bits/unordered_map.h: Likewise.
1207         * include/bits/unordered_set.h: Likewise.
1208         * include/bits/vector.tcc: Likewise.
1209         * include/c_global/cmath: Likewise.
1210         * include/c_std/cmath: Likewise.
1211         * include/decimal/decimal: Likewise.
1212         * include/decimal/decimal.h: Likewise.
1213         * include/experimental/algorithm: Likewise.
1214         * include/experimental/any: Likewise.
1215         * include/experimental/array: Likewise.
1216         * include/experimental/bits/erase_if.h: Likewise.
1217         * include/experimental/bits/fs_dir.h: Likewise.
1218         * include/experimental/bits/fs_fwd.h: Likewise.
1219         * include/experimental/bits/fs_ops.h: Likewise.
1220         * include/experimental/bits/fs_path.h: Likewise.
1221         * include/experimental/bits/lfts_config.h: Likewise.
1222         * include/experimental/bits/shared_ptr.h: Likewise.
1223         * include/experimental/bits/string_view.tcc: Likewise.
1224         * include/experimental/chrono: Likewise.
1225         * include/experimental/deque: Likewise.
1226         * include/experimental/filesystem: Likewise.
1227         * include/experimental/forward_list: Likewise.
1228         * include/experimental/functional: Likewise.
1229         * include/experimental/iterator: Likewise.
1230         * include/experimental/list: Likewise.
1231         * include/experimental/map: Likewise.
1232         * include/experimental/memory: Likewise.
1233         * include/experimental/memory_resource: Likewise.
1234         * include/experimental/numeric: Likewise.
1235         * include/experimental/optional: Likewise.
1236         * include/experimental/propagate_const: Likewise.
1237         * include/experimental/random: Likewise.
1238         * include/experimental/ratio: Likewise.
1239         * include/experimental/regex: Likewise.
1240         * include/experimental/set: Likewise.
1241         * include/experimental/source_location: Likewise.
1242         * include/experimental/string: Likewise.
1243         * include/experimental/string_view: Likewise.
1244         * include/experimental/system_error: Likewise.
1245         * include/experimental/tuple: Likewise.
1246         * include/experimental/type_traits: Likewise.
1247         * include/experimental/unordered_map: Likewise.
1248         * include/experimental/unordered_set: Likewise.
1249         * include/experimental/utility: Likewise.
1250         * include/experimental/vector: Likewise.
1251         * include/ext/bitmap_allocator.h: Likewise.
1252         * include/ext/codecvt_specializations.h: Likewise.
1253         * include/ext/rope: Likewise.
1254         * include/ext/typelist.h: Likewise.
1255         * include/std/chrono: Likewise.
1256         * include/std/complex: Likewise.
1257         * include/std/functional: Likewise.
1258         * include/std/numeric: Likewise.
1259         * include/std/string_view: Likewise.
1260         * include/std/thread: Likewise.
1261         * include/std/variant: Likewise.
1262         * include/tr1/array: Likewise.
1263         * include/tr1/bessel_function.tcc: Likewise.
1264         * include/tr1/beta_function.tcc: Likewise.
1265         * include/tr1/cmath: Likewise.
1266         * include/tr1/complex: Likewise.
1267         * include/tr1/ell_integral.tcc: Likewise.
1268         * include/tr1/exp_integral.tcc: Likewise.
1269         * include/tr1/functional: Likewise.
1270         * include/tr1/functional_hash.h: Likewise.
1271         * include/tr1/gamma.tcc: Likewise.
1272         * include/tr1/hashtable.h: Likewise.
1273         * include/tr1/hashtable_policy.h: Likewise.
1274         * include/tr1/hypergeometric.tcc: Likewise.
1275         * include/tr1/legendre_function.tcc: Likewise.
1276         * include/tr1/modified_bessel_func.tcc: Likewise.
1277         * include/tr1/poly_hermite.tcc: Likewise.
1278         * include/tr1/poly_laguerre.tcc: Likewise.
1279         * include/tr1/random.h: Likewise.
1280         * include/tr1/random.tcc: Likewise.
1281         * include/tr1/regex: Likewise.
1282         * include/tr1/riemann_zeta.tcc: Likewise.
1283         * include/tr1/shared_ptr.h: Likewise.
1284         * include/tr1/special_function_util.h: Likewise.
1285         * include/tr1/tuple: Likewise.
1286         * include/tr1/type_traits: Likewise.
1287         * include/tr1/unordered_map.h: Likewise.
1288         * include/tr1/unordered_set.h: Likewise.
1289         * include/tr1/utility: Likewise.
1290         * include/tr2/bool_set: Likewise.
1291         * include/tr2/bool_set.tcc: Likewise.
1292         * include/tr2/dynamic_bitset: Likewise.
1293         * include/tr2/dynamic_bitset.tcc: Likewise.
1294         * include/tr2/ratio: Likewise.
1295         * include/tr2/type_traits: Likewise.
1296         * src/c++11/chrono.cc: Likewise.
1297         * src/c++11/compatibility-c++0x.cc: Likewise.
1298         * src/c++11/compatibility-chrono.cc: Likewise.
1299         * src/c++11/cxx11-shim_facets.cc: Likewise.
1300         * src/c++11/hashtable_c++0x.cc: Likewise.
1301         * src/c++11/placeholders.cc: Likewise.
1302         * src/c++11/thread.cc: Likewise.
1303         * src/c++98/bitmap_allocator.cc: Likewise.
1304         * src/c++98/hashtable_tr1.cc: Likewise.
1305         * src/c++98/list.cc: Likewise.
1306         * src/shared/hashtable-aux.cc: Likewise.
1307         * testsuite/20_util/duration/literals/range.cc: Adapt line number.
1308         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1309         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1310         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1311         * testsuite/20_util/forward/c_neg.cc: Likewise.
1312         * testsuite/20_util/forward/f_neg.cc: Likewise.
1313         * testsuite/26_numerics/gcd/gcd_neg.cc: Likewise.
1314         * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1315         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1316         * python/libstdcxx/v6/printers.py: Adapt.
1317
1318 2017-07-20  Jonathan Wakely  <jwakely@redhat.com>
1319
1320         * config/allocator/malloc_allocator_base.h [__SANITIZE_ADDRESS__]
1321         (_GLIBCXX_SANITIZE_STD_ALLOCATOR): Define.
1322         * config/allocator/new_allocator_base.h [__SANITIZE_ADDRESS__]
1323         (_GLIBCXX_SANITIZE_STD_ALLOCATOR): Define.
1324         * doc/xml/manual/using.xml (_GLIBCXX_SANITIZE_VECTOR): Document macro.
1325         * include/bits/stl_vector.h [_GLIBCXX_SANITIZE_VECTOR]
1326         (_Vector_impl::_Asan, _Vector_impl::_Asan::_Reinit)
1327         (_Vector_impl::_Asan::_Grow, _GLIBCXX_ASAN_ANNOTATE_REINIT)
1328         (_GLIBCXX_ASAN_ANNOTATE_GROW, _GLIBCXX_ASAN_ANNOTATE_GREW)
1329         (_GLIBCXX_ASAN_ANNOTATE_SHRINK, _GLIBCXX_ASAN_ANNOTATE_BEFORE_DEALLOC):
1330         Define annotation helper types and macros.
1331         (vector::~vector, vector::push_back, vector::pop_back)
1332         (vector::_M_erase_at_end): Add annotations.
1333         * include/bits/vector.tcc (vector::reserve, vector::emplace_back)
1334         (vector::insert, vector::_M_erase, vector::operator=)
1335         (vector::_M_fill_assign, vector::_M_assign_aux)
1336         (vector::_M_insert_rval, vector::_M_emplace_aux)
1337         (vector::_M_insert_aux, vector::_M_realloc_insert)
1338         (vector::_M_fill_insert, vector::_M_default_append)
1339         (vector::_M_shrink_to_fit, vector::_M_range_insert): Annotate.
1340
1341 2017-07-19  Jonathan Wakely  <jwakely@redhat.com>
1342
1343         PR libstdc++/81476
1344         * include/bits/vector.tcc (vector::_M_range_insert<_InputIterator>):
1345         Only insert elements one-by-one when inserting at the end.
1346         * testsuite/performance/23_containers/insert/81476.cc: New.
1347
1348 2017-07-19  Volker Reichelt  <v.reichelt@netcologne.de>
1349
1350         * libsupc++/new (bad_array_new_length): Remove redundant
1351         semicolon after in-class member function definition.
1352         * include/bits/locale_facets.h (ctype_byname, num_put): Likewise.
1353         * include/bits/locale_facets_nonio.h (time_put_byname): Likewise.
1354         * include/bits/random.h (mersenne_twister_engine): Likewise.
1355         * include/tr1/random.h (mersenne_twister): Likewise
1356         * include/ext/random (simd_fast_mersenne_twister_engine): Likewise.
1357         * include/ext/rope (char_producer, _Rope_char_consumer,
1358         _Rope_self_destruct_ptr, _Rope_const_iterator, _Rope_iterator):
1359         Likewise.
1360         * include/ext/ropeimpl.h (_Rope_flatten_char_consumer,
1361         _Rope_insert_char_consumer): Likewise.
1362
1363 2017-07-19  Jonathan Wakely  <jwakely@redhat.com>
1364
1365         * include/bits/fstream.tcc (basic_filebuf::xsgetn)
1366         (basic_filebuf::xsputn, basic_filebuf::seekoff): Fix indentation.
1367
1368         * testsuite/util/testsuite_iterators.h: Fix indentation.
1369
1370         * testsuite/27_io/basic_filebuf/sgetn/char/81395.cc: Add dg-require.
1371
1372 2017-07-18  Jonathan Wakely  <jwakely@redhat.com>
1373
1374         PR libstdc++/81395
1375         * include/bits/fstream.tcc (basic_filebuf::xsgetn): Don't set buffer
1376         pointers for write mode after reading.
1377         * testsuite/27_io/basic_filebuf/sgetn/char/81395.cc: New.
1378
1379 2017-07-18  François Dumont  <fdumont@gcc.gnu.org>
1380
1381         * include/bits/stl_list.h
1382         (struct _List_node_header): New.
1383         (_List_impl()): Fix noexcept qualification.
1384         (_List_impl(_List_impl&&)): New, default.
1385         (_List_base()): Default.
1386         (_List_base(_List_base&&)): Default.
1387         (_List_base::_M_move_nodes): Adapt to use
1388         _List_node_header._M_move_nodes.
1389         (_List_base::_M_init): Likewise.
1390         (list<>()): Default.
1391         (list<>(list&&)): Default.
1392         (list<>::_M_move_assign(list&&, true_type)): Use _M_move_nodes.
1393         (__distance(_List_const_iterator<>, _List_const_iterator<>,
1394         input_iterator_tag)): Adapt.
1395         * testsuite/23_containers/list/allocator/default_init.cc: New.
1396
1397 2017-07-15  Jonathan Wakely  <jwakely@redhat.com>
1398
1399         * include/std/mutex (scoped_lock): Reorder std::adopt_lock_t parameter
1400         as per P0739R0.
1401         * testsuite/30_threads/scoped_lock/cons/1.cc: Reorder arguments.
1402         * testsuite/30_threads/scoped_lock/cons/deduction.cc: Test deduction
1403         with std::adopt_lock_t.
1404         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Check
1405         feature-test macro.
1406
1407 2017-07-14  Jason Merrill  <jason@redhat.com>
1408             Jonathan Wakely  <jwakely@redhat.com>
1409
1410         * include/std/variant (variant::variant(_Tp&&)): Constrain to remove
1411         the constructor for empty variants from the candidate functions
1412         during class template argument deduction.
1413         * testsuite/20_util/variant/deduction.cc: New.
1414
1415 2017-07-11  Jonathan Wakely  <jwakely@redhat.com>
1416
1417         * doc/xml/faq.xml: Update several old entries. Improve
1418         cross-references.
1419         * doc/xml/manual/intro.xml: Add anchors to each DR.
1420         * doc/html/*: Regenerate.
1421
1422 2017-07-10  Jonathan Wakely  <jwakely@redhat.com>
1423
1424         * testsuite/abi/pr42230.cc: Add header for std::free.
1425
1426         PR libstdc++/81381
1427         * include/bits/sstream.tcc (basic_stringbuf::overflow)
1428         (basic_stringbuf::basic_stringbuf(const __string_type&, ios::mode))
1429         (basic_stringbuf::str()): Construct new strings with an allocator.
1430         * testsuite/27_io/basic_stringbuf/cons/81381.cc: New.
1431
1432         PR libstdc++/81338
1433         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
1434         Declare basic_stringbuf to be a friend.
1435         * include/bits/sstream.tcc (basic_stringbuf::overflow)
1436         [_GLIBCXX_USE_CXX11_ABI]: Use unused capacity before reallocating.
1437         * include/std/sstream (basic_stringbuf::__xfer_bufptrs): Update string
1438         length to buffer length.
1439         * testsuite/27_io/basic_stringstream/assign/81338.cc: New.
1440
1441 2017-07-06  Jonathan Wakely  <jwakely@redhat.com>
1442
1443         * testsuite/20_util/specialized_algorithms/memory_management_tools/
1444         1.cc: Free memory.
1445         * testsuite/22_locale/locale/cons/5.cc: Remove redundant restoration
1446         of original environment and free memory.
1447
1448         * testsuite/abi/pr42230.cc: Free memory.
1449         * testsuite/util/testsuite_abi.cc (demangle): Return std::string
1450         instead of pointer that might need freeing.
1451         * testsuite/util/testsuite_abi.h (demangle): Likewise.
1452         * testsuite/util/testsuite_hooks.cc (verify_demangle): Free memory.
1453
1454         * include/bits/uses_allocator.h (__use_alloc(const _Alloc&&)): Add
1455         deleted overload to prevent dangling references to rvalues.
1456         * include/experimental/memory_resource
1457         (polymorphic_allocator::construct): Do not call __use_alloc with
1458         rvalue arguments.
1459
1460 2017-06-27  Tim Shen  <timshen@google.com>
1461
1462         PR libstdc++/80187
1463         * include/std/variant (variant::variant, variant::~variant,
1464         variant::operator=): Implement triviality forwarding for four
1465         special member functions.
1466         * testsuite/20_util/variant/compile.cc: Tests.
1467
1468 2017-06-27  Jonathan Wakely  <jwakely@redhat.com>
1469
1470         PR libstdc++/81221
1471         * testsuite/25_algorithms/sample/81221.cc: Disable except for
1472         check-parallel.
1473
1474         PR libstdc++/81221
1475         * include/bits/stl_algo.h (sample): Qualify with _GLIBCXX_STD_A not
1476         std.
1477         * testsuite/25_algorithms/sample/81221.cc: New.
1478
1479 2017-06-22  Jonathan Wakely  <jwakely@redhat.com>
1480
1481         PR libstdc++/81173
1482         * include/bits/stl_bvector.h (vector<bool>::_M_initialize_value):
1483         Do not pass null pointer to memset.
1484
1485 2017-06-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
1486
1487         PR libstdc++/80675
1488         PR libstdc++/80940
1489         * include/std/istream:
1490         (__is_convertible_to_basic_istream_test(basic_istream<_Ch, _Up>*)): New.
1491         (__do_is_convertible_to_basic_istream_impl): Likewise.
1492         (__is_convertible_to_basic_istream_impl): Likewise.
1493         (__is_convertible_to_basic_istream): Use the new base.
1494         (__rvalue_istream_type): New.
1495         (operator>>(_Istream&&, _Tp&&)): Use the new helper alias
1496         for the SFINAE check, convert to the helper alias type before
1497         doing the actual extraction.
1498         * include/std/ostream:
1499         (__is_convertible_to_basic_ostream_test(basic_ostream<_Ch, _Up>*)): New.
1500         (__do_is_convertible_to_basic_ostream_impl): Likewise.
1501         (__is_convertible_to_basic_ostream_impl): Likewise.
1502         (__is_convertible_to_basic_ostream): Use the new base.
1503         (__rvalue_ostream_type): New.
1504         (operator<<(_Ostream&&, const _Tp&)): Use the new helper alias
1505         for the SFINAE check, convert to the helper alias type before
1506         doing the actual insertion.
1507         * testsuite/27_io/rvalue_streams-2.cc: Add new tests.
1508
1509 2017-06-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1510
1511         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1512
1513 2017-06-21  Jonathan Wakely  <jwakely@redhat.com>
1514
1515         PR libstdc++/81092
1516         * configure: Regenerate.
1517
1518 2017-06-20  Uros Bizjak  <ubizjak@gmail.com>
1519
1520         * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1521
1522 2017-06-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1523
1524         * testsuite/20_util/variant/index_type.cc: Allow for all ilp32 and
1525         lp64 targets.
1526
1527 2017-06-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1528
1529         * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
1530         * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
1531         * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
1532         * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
1533         * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
1534         * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
1535         Likewise.
1536         * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
1537         * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
1538         Likewise.
1539
1540 2017-06-18  H.J. Lu  <hongjiu.lu@intel.com>
1541
1542         PR libstdc++/81092
1543         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
1544
1545 2017-06-18  Andreas Schwab  <schwab@linux-m68k.org>
1546
1547         PR libstdc++/81092
1548         * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1549
1550 2017-06-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1551
1552         * testsuite: Remove dg-skip-if, dg-xfail-if, dg-xfail-run-if
1553         default args.
1554
1555 2017-06-17  Jonathan Wakely  <jwakely@redhat.com>
1556
1557         PR libstdc++/80893
1558         * testsuite/23_containers/vector/bool/80893.cc: Add { target c++11 }.
1559
1560 2017-06-16  Jonathan Wakely  <jwakely@redhat.com>
1561
1562         * include/bits/shared_ptr.h (get_deleter): Add overload matching
1563         standard signature.
1564         * include/bits/shared_ptr_base.h (__shared_ptr): Declare new
1565         get_deleter overload as a friend.
1566         * testsuite/20_util/shared_ptr/misc/get_deleter.cc: New.
1567
1568 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
1569
1570         PR libstdc++/81092
1571         * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1572         * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1573         * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1574
1575 2017-06-16  Jonathan Wakely  <jwakely@redhat.com>
1576
1577         * include/bits/locale_conv.h (wbuffer_convert::sync): Fix condition.
1578         * testsuite/22_locale/conversions/buffer/2.cc: New.
1579
1580         PR libstdc++/81092
1581         * acinclude.m4: Bump libtool_VERSION.
1582         * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1583         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1584         * config/abi/pre/gnu.ver: Add wstring constructor symbols to
1585         GLIBCXX_3.4.24 version and move random_device::_M_get_entropy() symbol
1586         to new GLIBCXX_3.4.25 version.
1587         * doc/xml/manual/abi.xml: Document new versions.
1588         * doc/html/*: Regenerate.
1589         * testsuite/21_strings/basic_string/cons/char/8.cc: Use base object
1590         constructors to ensure required symbols are exported.
1591         * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
1592         * testsuite/util/testsuite_abi.cc: Add new version.
1593
1594         * include/bits/locale_conv.h (wbuffer_convert::_M_put): Add missing
1595         return statement.
1596         * testsuite/21_strings/basic_string_view/operations/copy/char/1.cc:
1597         Return void.
1598         * testsuite/21_strings/basic_string_view/operations/copy/wchar_t/1.cc:
1599         Likewise.
1600         * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc: Add
1601         missing return statements.
1602         * testsuite/23_containers/unordered_map/modifiers/insert_or_assign.cc:
1603         Likewise.
1604         * testsuite/27_io/basic_istream/extractors_arithmetic/char/12.cc:
1605         Return void.
1606         * testsuite/special_functions/14_expint/pr68397.cc: Likewise.
1607
1608 2017-06-16  François Dumont  <fdumont@gcc.gnu.org>
1609
1610         * include/bits/stl_bvector.h
1611         (__fill_bvector(_Bit_type*, unsigned int, unsigned int, bool)):
1612         Change signature.
1613         (std::fill(_Bit_iterator, _Bit_iterator, bool)): Adapt.
1614         (_Bvector_impl_data): New.
1615         (_Bvector_impl): Inherits from latter.
1616         (_Bvector_impl(_Bit_alloc_type&&)): Delete.
1617         (_Bvector_impl(_Bvector_impl&&)): New, default.
1618         (_Bvector_base()): Default.
1619         (_Bvector_base(_Bvector_base&&)): Default.
1620         (_Bvector_base::_M_move_data(_Bvector_base&&)): New.
1621         (vector(vector&&, const allocator_type&)): Use latter.
1622         (vector<bool>::operator=(vector&&)): Likewise.
1623         (vector<bool>::vector()): Default.
1624         (vector<bool>::vector(vector&&)): Default.
1625         (vector<bool>::assign(_InputIterator, _InputIterator)): Use
1626         _M_assign_aux.
1627         (vector<bool>::assign(initializer_list<bool>)): Likewise.
1628         (vector<bool>::_M_initialize_value(bool)): New.
1629         (vector<bool>(size_type, const bool&, const allocator_type&)): Use
1630         latter.
1631         (vector<bool>::_M_initialize_dispatch(_Integer, _Integer, __true_type)):
1632         Likewise.
1633         (vector<bool>::_M_fill_assign(size_t, bool)): Likewise.
1634
1635 2017-06-15  François Dumont  <fdumont@gcc.gnu.org>
1636
1637         * src/c++98/tree.cc  [!_GLIBCXX_INLINE_VERSION]
1638         (_Rb_tree_rotate_left, _Rb_tree_rotate_right): Delete.
1639
1640 2017-06-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1641
1642         * testsuite: Add dg-require-effective-target pthread to -pthread
1643         tests.
1644         Remove explicit target lists from dg-do and dg-options.
1645
1646         * testsuite/30_threads/async/forced_unwind.cc: Remove explit
1647         target list from dg-options.
1648         * testsuite/30_threads/packaged_task/forced_unwind.cc: Likewise.
1649
1650         * 30_threads/shared_mutex/cons/1.cc: Likewise.
1651         Pass -pthread for all targets.
1652         * 30_threads/shared_mutex/try_lock/1.cc: Likewise.
1653         * 30_threads/shared_mutex/try_lock/2.cc: Likewise.
1654         * 30_threads/shared_mutex/unlock/1.cc: Likewise.
1655
1656         * testsuite/30_threads/this_thread/57060.cc: Require c++11 via
1657         dg-require-effective-target.
1658
1659 2017-06-14  Jonathan Wakely  <jwakely@redhat.com>
1660
1661         * doc/xml/manual/test.xml: Correct instructions on running tests.
1662         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Adjust to
1663         pass when -D_GLIBCXX_USE_CXX11_ABI=0 added to RUNTESTFLAGS.
1664         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1665         Likewise.
1666         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Likewise.
1667         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
1668         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
1669         exceptions_failbit.cc: Likewise.
1670         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
1671         exceptions_failbit.cc: Likewise.
1672         * testsuite/27_io/basic_istream/extractors_other/char/
1673         exceptions_null.cc: Likewise.
1674         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
1675         exceptions_null.cc: Likewise.
1676         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
1677         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
1678         * testsuite/27_io/basic_ostream/inserters_other/char/
1679         exceptions_null.cc: Likewise.
1680         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
1681         exceptions_null.cc: Likewise.
1682         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
1683
1684 2017-06-12  Pedro Alves  <palves@redhat.com>
1685
1686         * doc/xml/manual/status_cxx2017.xml: Update C++17 constexpr
1687         char_traits status.
1688         * doc/html/*: Regenerate.
1689
1690         * include/bits/char_traits.h (_GLIBCXX_ALWAYS_INLINE): Define if
1691         not already defined.
1692         (__cpp_lib_constexpr_char_traits): Uncomment.
1693         (__constant_string_p, __constant_char_array_p): New.
1694         (std::char_traits<char>, std::char_traits<wchar_t>): Add
1695         _GLIBCXX17_CONSTEXPR on compare, length and find and use
1696         __constant_string_p, __constant_char_array_p and
1697         __builtin_constant_p to defer to __gnu_cxx::char_traits at compile
1698         time.
1699
1700         * testsuite/21_strings/char_traits/requirements/
1701         constexpr_functions_c++17.cc: Uncomment
1702         __cpp_lib_constexpr_char_traits tests.  Uncomment
1703         test_compare<char>, test_length<char>, test_find<char>,
1704         test_compare<wchar_t>, test_length<wchar_t> and test_find<wchar_t>
1705         static_assert tests.
1706
1707 2017-06-12  François Dumont  <fdumont@gcc.gnu.org>
1708
1709         * include/bits/stl_tree.h (_Rb_tree_impl()): Restore _Node_allocator
1710         default init.
1711         * testsuite/util/testsuite_allocator.h
1712         (__gnu_test::default_init_allocator<>) New.
1713         * testsuite/23_containers/set/allocator/default_init.cc: New.
1714         * testsuite/23_containers/map/allocator/default_init.cc: New.
1715
1716 2017-06-12  Jonathan Wakely  <jwakely@redhat.com>
1717
1718         PR libstdc++/55917
1719         * src/c++11/thread.cc (execute_native_thread_routine): Remove
1720         try-block so that exceptions propagate out of the thread and terminate
1721         is called by the exception-handling runtime.
1722         (execute_native_thread_routine_compat): Likewise.
1723         * testsuite/30_threads/thread/cons/terminate.cc: New.
1724
1725 2017-06-09  Jonathan Wakely  <jwakely@redhat.com>
1726
1727         * doc/xml/manual/intro.xml: Document LWG 2802, 2873 and 2942 changes.
1728         * include/bits/shared_ptr.h (shared_ptr): Use rvalues for deleters
1729         (LWG 2802).
1730         * include/bits/shared_ptr_base.h (_Sp_ebo_helper, _Sp_counted_deleter
1731         (_Sp_counted_deleter::_Impl, __shared_count, __shared_ptr): Likewise.
1732         * testsuite/20_util/shared_ptr/cons/lwg2802.cc: New.
1733
1734         * include/bits/forward_list.h (forward_list): Add deduction guide.
1735         * include/bits/stl_deque.h (deque): Likewise.
1736         * include/bits/stl_list.h (list): Likewise.
1737         * include/bits/stl_vector.h (vector): Likewise.
1738         * testsuite/23_containers/deque/cons/deduction.cc: New.
1739         * testsuite/23_containers/forward_list/cons/deduction.cc: New.
1740         * testsuite/23_containers/list/cons/deduction.cc: New.
1741         * testsuite/23_containers/vector/cons/deduction.cc: New.
1742
1743 2017-06-08  Jonathan Wakely  <jwakely@redhat.com>
1744
1745         PR libstdc++/81017
1746         * include/bits/std_function.h (function::function(function&&))
1747         (function::operator=(funtion&&)): Add noexcept.
1748         * testsuite/20_util/function/assign/move.cc: Check for noexcept.
1749         * testsuite/20_util/function/cons/move.cc: Likewise.
1750
1751 2017-06-07  Jonathan Wakely  <jwakely@redhat.com>
1752
1753         * include/bits/regex.h (basic_regex): Add deduction guide from P0433.
1754         * testsuite/28_regex/basic_regex/ctors/deduction.cc: New.
1755
1756         PR libstdc++/81002
1757         * include/bits/regex.h (basic_regex): Adjust call to __compile_nfa
1758         so iterator type is deduced.
1759         * include/bits/regex_compiler.h (__compile_nfa): Reorder template
1760         parameters to allow iterator type to be deduced.
1761         * testsuite/28_regex/basic_regex/ctors/basic/iter.cc: New.
1762
1763         * include/bits/alloc_traits.h (__is_allocator, _RequireAllocator):
1764         New trait and alias for detecting Allocator-like types.
1765         * include/bits/basic_string.h (basic_string): Add deduction guide
1766         from P0433.
1767         * include/ext/alloc_traits.h (__gnu_cxx::__alloc_traits): Add template
1768         parameter with default template argument that causes substitution
1769         failures for types that cannot be allocators.
1770         * testsuite/21_strings/basic_string/cons/char/deduction.cc: New.
1771         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc: New.
1772
1773 2017-06-02  Jonathan Wakely  <jwakely@redhat.com>
1774
1775         PR libstdc++/80939
1776         * include/std/variant (__erased_ctor, __erased_assign, __erased_swap)
1777         (__erased_hash): Remove constexpr specifier and qualify calls to
1778         __ref_cast.
1779         (__erased_dtor): Remove constexpr specifier and use _Destroy.
1780
1781 2017-06-05  Jonathan Wakely  <jwakely@redhat.com>
1782
1783         * include/bits/stl_iterator_base_funcs.h
1784         (__advance<_RandomAccessIterator, _Distance>): Optimize for next/prev
1785         cases where incrementing or decrementing a single step.
1786
1787         * include/bits/shared_ptr_base.h (__shared_ptr::owner_before)
1788         (__weak_ptr::owner_before, _Sp_owner_less::operator()): Add noexcept
1789         specifiers as per LWG 2873 and LWG 2942.
1790         * testsuite/20_util/owner_less/noexcept.cc: New.
1791         * testsuite/20_util/shared_ptr/observers/owner_before.cc: Test
1792         noexcept guarantees.
1793         * testsuite/20_util/weak_ptr/observers/owner_before.cc: Likewise.
1794
1795 2017-06-03  Andreas Schwab  <schwab@linux-m68k.org>
1796
1797         * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1798
1799 2017-06-03  Eric Botcazou  <ebotcazou@adacore.com>
1800
1801         * src/filesystem/dir.cc (fs::_Dir::advance): Use std::exchange.
1802
1803 2017-06-02  Jonathan Wakely  <jwakely@redhat.com>
1804
1805         PR libstdc++/80624
1806         * doc/xml/manual/status_cxx2011.xml: Document to_int_type behaviour.
1807         * include/bits/char_traits.h (char_traits<char16_t>::to_int_type):
1808         Transform eof value to U+FFFD.
1809         * testsuite/21_strings/char_traits/requirements/char16_t/eof.cc: New.
1810         * testsuite/27_io/basic_streambuf/sgetc/char16_t/80624.cc: New.
1811         * testsuite/27_io/basic_streambuf/sputc/char16_t/80624.cc: New.
1812
1813         * libsupc++/Makefile.am: Remove custom targets for files that need to
1814         be compiled as C++11 or C++14.
1815         * libsupc++/Makefile.in: Regenerate.
1816         * libsupc++/del_ops.cc: Use pragma to disable -Wsized-deallocation
1817         warnings.
1818         * libsupc++/del_opvs.cc: Likewise.
1819
1820 2017-06-02  Richard Biener  <rguenther@suse.de>
1821         Markus Eisenmann  <meisenmann.lba@fh-salzburg.ac.at>
1822
1823         PR libstdc++/80721
1824         * libsupc++/eh_alloc.cc (pool::free): Keep list properly
1825         sorted and add missing freelist item merging cases.
1826
1827 2017-06-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1828
1829         (GLIBCXX_CROSSCONFIG): Handle *-solaris* like *-linux* etc.
1830         Remove *-solaris* section.
1831         * configure: Regenerate.
1832
1833 2017-05-31  Jonathan Wakely  <jwakely@redhat.com>
1834
1835         PR libstdc++/80893
1836         * include/bits/stl_bvector.h (vector<bool>::_M_initialize): Avoid
1837         null pointer dereference when size is zero.
1838         * testsuite/23_containers/vector/bool/80893.cc: New.
1839         * testsuite/util/testsuite_allocator.h (PointerBase::PointerBase):
1840         Add non-explicit constructor from nullptr.
1841         (PointerBase::derived() const): Add const-qualified overload.
1842
1843 2017-05-20  Tim Shen  <timshen@google.com>
1844
1845         PR libstdc++/80737
1846         * include/std/variant(variant::variant): SFINAE on is_same first.
1847         * testsuite/20_util/variant/any.cc: test case.
1848
1849 2017-05-24  Jonathan Wakely  <jwakely@redhat.com>
1850
1851         * src/c++11/random.cc (random_device::_M_getentropy): Use __CHAR_BIT__
1852         instead of fixed number of bits.
1853
1854 2017-05-24  Andreas Schwab  <schwab@suse.de>
1855
1856         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1857         * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Likewise.
1858
1859 2017-05-23  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
1860             Jonathan Wakely  <jwakely@redhat.com>
1861
1862         PR libstdc++/67578
1863         * acinclude.m4: Bump libtool_VERSION.
1864         * config/abi/pre/gnu.ver: Create GLIBCXX_3.4.24 with new symbol.
1865         * config.h.in: Regenerate.
1866         * configure: Regenerate.
1867         * configure.ac: Add test for <linux/random.h>.
1868         * doc/xml/manual/abi.xml: Document new library version.
1869         * include/bits/random.h (random_device::entropy)
1870         [_GLIBCXX_USE_RANDOM_TR1]: Add call to new _M_getentropy member.
1871         (random_device::_M_getentropy): Declare.
1872         * src/c++11/random.cc (random_device::_M_getentropy): Define.
1873         * testsuite/util/testsuite_abi.cc: Add GLIBCXX_3.4.24 to known
1874         versions, and make it the latest version.
1875
1876 2017-05-23  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
1877
1878         PR libstdc++/67214
1879         * include/bits/locale_facets.tcc (num_get::_M_extract_int): Add
1880         explicit conversion to avoid signed overflow.
1881
1882 2017-05-19  Jonathan Wakely  <jwakely@redhat.com>
1883
1884         PR libstdc++/80796
1885         * include/bits/stl_algo.h (search): Add new overload for C++17.
1886         * testsuite/25_algorithms/search/searcher.cc: New.
1887
1888 2017-05-18  Jonathan Wakely  <jwakely@redhat.com>
1889
1890         PR libstdc++/80478
1891         * include/std/functional (_Mem_fn_traits_base): Add specializations
1892         for noexcept member function types.
1893         * testsuite/20_util/function_objects/mem_fn/80478.cc: New test.
1894
1895 2017-05-18  Jonathan Wakely  <jwakely@redhat.com>
1896
1897         * doc/xml/manual/policy_data_structures.xml: Fix typo.
1898         * doc/xml/manual/test_policy_data_structures.xml: Likewise.
1899         * doc/html/*: Regenerate.
1900
1901         * doc/xml/manual/abi.xml: Document latest library versions.
1902         * doc/xml/manual/build_hacking.xml: Document requirement to update
1903         abi.xml when bumping library versions.
1904         * doc/html/*: Regenerate.
1905
1906 2017-05-17  Jonathan Wakely  <jwakely@redhat.com>
1907
1908         * include/bits/refwrap.h: Fix Doxygen warning.
1909         * include/bits/specfun.h: Likewise.
1910         * include/bits/std_function.h: Likewise.
1911         * include/bits/stl_algo.h (set_union, set_intersection)
1912         (set_difference, set_symmetric_difference): Add Doxygen @param tags
1913         for output iterator parameters.
1914         * include/bits/stl_iterator.h (inserter): Add Doxygen @param tag for
1915         iterator parameter.
1916         * include/std/mutex (try_lock, lock): Change Mutex to Lockable in
1917         Doxygen comments.
1918
1919 2017-05-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
1920
1921         Implement new C++ intrinsics __is_assignable and __is_constructible.
1922         * include/std/type_traits (__do_is_static_castable_impl): Remove.
1923         (__is_static_castable_impl, __is_static_castable_safe): Likewise.
1924         (__is_static_castable, __do_is_direct_constructible_impl): Likewise.
1925         (__is_direct_constructible_impl): Likewise.
1926         (__is_direct_constructible_new_safe): Likewise.
1927         (__is_base_to_derived_ref, __is_lvalue_to_rvalue_ref): Likewise.
1928         (__is_direct_constructible_ref_cast): Likewise.
1929         (__is_direct_constructible_new, __is_direct_constructible): Likewise.
1930         (__do_is_nary_constructible_impl): Likewise.
1931         (__is_nary_constructible_impl, __is_nary_constructible): Likewise.
1932         (__is_constructible_impl): Likewise.
1933         (is_constructible): Call the intrinsic.
1934         (__is_assignable_helper): Remove.
1935         (is_assignable): Call the intrinsic.
1936         (is_trivially_constructible): Likewise.
1937         (__is_trivially_copy_constructible_impl): New.
1938         (is_trivially_copy_constructible): Use it.
1939         (__is_trivially_move_constructible_impl): New.
1940         (is_trivially_move_constructible): Use it.
1941         (is_trivially_assignable): Call the intrinsic.
1942         (__is_trivially_copy_assignable_impl): New.
1943         (is_trivially_copy_assignable): Use it.
1944         (__is_trivially_move_assignable_impl): New.
1945         (is_trivially_move_assignable): Use it.
1946         (testsuite/20_util/declval/requirements/1_neg.cc): Adjust.
1947         (testsuite/20_util/is_trivially_copy_assignable/value.cc):
1948         Add test for void.
1949         (testsuite/20_util/is_trivially_copy_constructible/value.cc): Likewise.
1950         (testsuite/20_util/is_trivially_move_assignable/value.cc): Likewise.
1951         (testsuite/20_util/is_trivially_move_constructible/value.cc): Likewise.
1952         (testsuite/20_util/make_signed/requirements/typedefs_neg.cc): Adjust.
1953         (testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc):
1954         Likewise.
1955
1956 2017-05-16  Jonathan Wakely  <jwakely@redhat.com>
1957
1958         * testsuite/experimental/source_location/1.cc: Change expected result
1959         for source_location::current() used in default member initializer.
1960
1961         * doc/xml/manual/status_cxx2017.xml: Update status table.
1962         * doc/html/*: Regenerate.
1963         * include/Makefile.am: Add new header.
1964         * include/Makefile.in: Regenerate.
1965         * include/experimental/source_location: New header implementing N4519.
1966         * testsuite/experimental/source_location/1.cc: New test.
1967
1968         PR libstdc++/80285
1969         * include/bits/shared_ptr_base.h [!__cpp_rtti] (type_info): Declare
1970         outside versioned namespace.
1971
1972         * configure: Regenerate.
1973
1974 2017-05-16  Marc Glisse  <marc.glisse@inria.fr>
1975
1976         * include/std/optional (_Optional_base::_M_get): Check precondition.
1977         * testsuite/20_util/optional/cons/value_neg.cc: Update line numbers.
1978
1979 2017-05-16  Jonathan Wakely  <jwakely@redhat.com>
1980
1981         * doc/xml/manual/appendix_contributing.xml: Link to test docs and
1982         note higher DejaGnu version requirement.
1983         * doc/html/*: Regenerate.
1984
1985         * doc/xml/manual/appendix_contributing.xml: Link to the list of bad
1986         identifiers.
1987         * doc/html/*: Regenerate.
1988
1989 2017-05-15  Jonathan Wakely  <jwakely@redhat.com>
1990
1991         PR libstdc++/80761
1992         * include/bits/node_handle.h (_Node_insert_return): Reorder members.
1993         (tuple_size, tuple_element): Remove partial specializations.
1994         * include/bits/stl_tree.h (_Rb_tree::insert_return_type): Use
1995         const_iterator for std::set.
1996         * testsuite/23_containers/map/modifiers/extract.cc: New.
1997         * testsuite/23_containers/set/modifiers/extract.cc: New.
1998         * testsuite/23_containers/unordered_map/modifiers/extract.cc: New.
1999         * testsuite/23_containers/unordered_set/modifiers/extract.cc: New.
2000
2001 2017-05-12  Jonathan Wakely  <jwakely@redhat.com>
2002
2003         PR libstdc++/78939
2004         * include/std/utility (tuple_size<cv T>): Only define partial
2005         specializations when tuple_size<T>::value is valid.
2006         * testsuite/20_util/tuple/78939.cc: New.
2007         * testsuite/20_util/tuple/cv_tuple_size_neg.cc: New.
2008
2009 2017-05-11  François Dumont  <fdumont@gcc.gnu.org>
2010
2011         * include/bits/stl_tree.h [_GLIBCXX_INLINE_VERSION]
2012         (_Rb_tree_impl<>): Remove _Is_pod_comparator
2013         template parameter.
2014
2015         * include/debug/formatter.h [_GLIBCXX_INLINE_VERSION]
2016         (__gnu_debug::_Error_formatter::_Parameter::_M_print_field): Remove.
2017         (__gnu_debug::_Error_formatter::_Parameter::_M_print_description):
2018         Remove.
2019         (__gnu_debug::_Error_formatter::_M_format_word): Remove.
2020         (__gnu_debug::_Error_formatter::_M_print_word): Remove.
2021         (__gnu_debug::_Error_formatter::_M_print_string): Remove.
2022         (__gnu_debug::_Error_formatter::_M_get_max_length): Remove.
2023         * src/c++11/debug.cc: Adapt.
2024         * config/abi/pre/gnu-versioned-namespace.ver: Adapt.
2025
2026 2017-05-11  Jonathan Wakely  <jwakely@redhat.com>
2027
2028         * doc/xml/manual/allocator.xml: Fix ViewCVS URLs.
2029         * doc/xml/manual/mt_allocator.xml: Likewise.
2030         * doc/html/*: Regenerate.
2031
2032         PR libstdc++/80285
2033         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Define
2034         function to get unique fake std::type_info reference.
2035         (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Compare to
2036         _S_ti() fake reference.
2037         (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Share
2038         single implementation with or without RTTI enable.
2039         [!__cpp_rtti]: Pass fake reference to _M_get_deleter.
2040         * testsuite/20_util/shared_ptr/creation/alloc.cc: Change expected
2041         allocation and deallocation counts.
2042         * testsuite/20_util/shared_ptr/creation/single_allocation.cc: New.
2043         * testsuite/20_util/shared_ptr/creation/single_allocation_no_rtti.cc:
2044         New.
2045
2046 2017-05-10  François Dumont  <fdumont@gcc.gnu.org>
2047
2048         Bump version namespace.
2049         * config/abi/pre/gnu-versioned-namespace.ver: Bump version namespace
2050         from __7 to __8. Bump GLIBCXX_7.0 to GLIBCXX_8.0.
2051         * acinclude.m4 (libtool_VERSION): Bump to 8:0:0.
2052         * include/bits/c++config: Adapt.
2053         * include/bits/regex.h: Adapt.
2054         * include/experimental/bits/fs_fwd.h: Adapt.
2055         * include/experimental/bits/lfts_config.h: Adapt.
2056         * include/std/variant: Adapt.
2057         * python/libstdcxx/v6/printers.py: Adapt.
2058         * testsuite/libstdc++-prettyprinters/48362.cc: Adapt.
2059
2060         * include/bits/stl_algobase.h (std::__iter_swap<false>): Remove
2061         _GLIBCXX_MOVE usage.
2062
2063 2017-05-09  Jason Merrill  <jason@redhat.com>
2064
2065         * testsuite/24_iterators/container_access.cc (test03): Make il3 static.
2066
2067 2017-05-08  Jonathan Wakely  <jwakely@redhat.com>
2068
2069         * include/std/optional: Use a separate static_assert per condition.
2070         * testsuite/20_util/optional/cons/value_neg.cc: Update dg-error line
2071         numbers.
2072
2073         * doc/xml/manual/mt_allocator.xml: Clarify deallocation behaviour.
2074         * doc/html/*: Regenerate.
2075
2076 2017-05-02  Hugo Beauzée-Luyssen <hugo@beauzee.fr>
2077
2078         PR libstdc++/69506
2079         * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_WEAK_REF): Define.
2080
2081 2017-04-29  François Dumont  <fdumont@gcc.gnu.org>
2082
2083         * testsuite/libstdc++-prettyprinters/48362.cc: Replace a regexp-test
2084         by a note-test.
2085
2086 2017-04-28  Jonathan Wakely  <jwakely@redhat.com>
2087
2088         PR libstdc++/80553
2089         * include/bits/stl_construct.h (_Destroy, _Destroy_n): Add static
2090         assertions to ensure type is destructible.
2091         (destroy_at, destroy, destroy_n): Move from stl_uninitialized.h.
2092         * include/bits/stl_uninitialized.h (destroy_at, destroy, destroy_n):
2093         Move to stl_construct.h.
2094         * testsuite/20_util/specialized_algorithms/memory_management_tools/
2095         destroy_neg.cc: New test.
2096         * testsuite/23_containers/vector/cons/destructible_neg.cc: New test.
2097
2098         * testsuite/17_intro/headers/c++1998/stdc++_assert_neg.cc: Remove
2099         superfluous "" in dg-error.
2100
2101 2017-04-28  Tom de Vries  <tom@codesourcery.com>
2102
2103         * testsuite/17_intro/headers/c++1998/stdc++_assert_neg.cc: Remove
2104         superfluous '{ target *-*-* }' in dg-(error|warning|message|bogus).
2105
2106 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
2107
2108         * include/ext/pb_ds/detail/list_update_map_/iterators_fn_imps.hpp
2109         (PB_DS_CLASS_C_DEC::end()): Remove redundant const in cast type.
2110         * testsuite/util/testsuite_rng.h (twister_rand_gen::get_prob()):
2111         Likewise.
2112
2113 2017-04-26  Jonathan Wakely  <jwakely@redhat.com>
2114
2115         * testsuite/23_containers/deque/allocator/move_assign-2.cc: Improve
2116         comment. Ensure first test works because allocator type propagates and
2117         not because is_always_equal is true.
2118         * testsuite/23_containers/vector/52591.cc: Likewise. Restore original
2119         testcase that instantiates the move-assignment operator.
2120
2121 2017-04-24  Jonathan Wakely  <jwakely@redhat.com>
2122
2123         PR libstdc++/80506
2124         * include/bits/random.tcc (gamma_distribution::operator()): Fix magic
2125         number used in loop condition.
2126
2127         PR libstdc++/80504
2128         * include/bits/refwrap.h (ref, cref): Qualify calls.
2129         * testsuite/20_util/reference_wrapper/80504.cc: New test.
2130
2131         PR libstdc++/80493
2132         * include/experimental/optional (optional::swap): Fix exception
2133         specification.
2134
2135 2017-04-21  Jonathan Wakely  <jwakely@redhat.com>
2136
2137         PR libstdc++/80316
2138         * include/std/future (_State_baseV2::_Setter::operator()): Remove
2139         _S_check calls that are done after the pointer to the shared state is
2140         already dereferenced.
2141         (_State_baseV2::_Setter<_Res, void>): Define specialization for void
2142         as partial specialization so it can be defined within the definition
2143         of _State_baseV2.
2144         (_State_baseV2::__setter): Call _S_check.
2145         (_State_baseV2::__setter(promise<void>*)): Add overload for use by
2146         promise<void>::set_value and promise<void>::set_value_at_thread_exit.
2147         (promise<T>, promise<T&>, promise<void>): Make _State a friend.
2148         (_State_baseV2::_Setter<void, void>): Remove explicit specialization.
2149         (promise<void>::set_value, promise<void>::set_value_at_thread_exit):
2150         Use new __setter overload.
2151         * testsuite/30_threads/promise/members/at_thread_exit2.cc: New test.
2152         * testsuite/30_threads/promise/members/set_exception.cc: Test
2153         promise<T&> and promise<void> specializations.
2154         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
2155         Test for no_state error condition.
2156         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
2157
2158         * include/backward/auto_ptr.h: Ignore deprecated warnings from use
2159         of auto_ptr.
2160         * include/bits/shared_ptr.h: Likewise.
2161         * include/bits/shared_ptr_base.h: Likewise.
2162         * include/bits/unique_ptr.h: Likewise.
2163         * libstdc++-v3/testsuite/20_util/default_delete/48631_neg.cc: Adjust
2164         dg-error lineno.
2165         * libstdc++-v3/testsuite/20_util/default_delete/void_neg.cc: Likewise.
2166         * libstdc++-v3/testsuite/20_util/unique_ptr/assign/48635_neg.cc:
2167         Likewise.
2168         * libstdc++-v3/testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc:
2169         Likewise.
2170
2171 2017-04-20  Edward Smith-Rowland  <3dw4rd@verizon.net>
2172
2173         PR libstdc++/68397 std::tr1::expint fails ... long double arguments.
2174         * include/tr1/exp_integral.tcc: Increase iteration limits.
2175         * testsuite/tr1/5_numerical_facilities/special_functions/15_expint/
2176         pr68397.cc: New test.
2177         * testsuite/special_functions/14_expint/pr68397.cc: New test.
2178
2179 2017-04-20  Jonathan Wakely  <jwakely@redhat.com>
2180
2181         PR libstdc++/79862
2182         * include/std/atomic [!_GLIBCXX_USE_C99_STDINT_TR1] (atomic_int8_t)
2183         (atomic_uint8_t, atomic_int16_t, atomic_uint16_t, atomic_int32_t,
2184         (atomic_uint32_t, atomic_int64_t, atomic_uint64_t)
2185         (atomic_int_least8_t, atomic_uint_least8_t, atomic_int_least16_t)
2186         (atomic_uint_least16_t, atomic_int_least32_t, atomic_uint_least32_t)
2187         (atomic_int_least64_t, atomic_uint_least64_t, atomic_int_fast8_t)
2188         (atomic_uint_fast8_t, atomic_int_fast16_t, atomic_uint_fast16_t)
2189         (atomic_int_fast32_t, atomic_uint_fast32_t, atomic_int_fast64_t)
2190         (atomic_uint_fast64_t, atomic_intmax_t, atomic_uintmax_t): Don't
2191         define.
2192
2193 2017-04-19  Jonathan Wakely  <jwakely@redhat.com>
2194
2195         * doc/xml/manual/abi.xml: Rephrase one of the references to the
2196         Itanium C++ ABI.
2197         * doc/xml/manual/test.xml: Document DejaGnu 1.5.3 requirement.
2198         * doc/html/*: Regenerate.
2199
2200         * libsupc++/new: Update comment on #endif directive.
2201
2202         PR libstdc++/80448
2203         * include/experimental/bits/fs_dir.h (directory_iterator)
2204         (recursive_directory_iterator): Remove noexcept from defaulted
2205         constructors.
2206
2207         PR libstdc++/80446
2208         * include/std/type_traits (is_aggregate): Change __has_builtin checks.
2209         * libsupc++/new (launder): Likewise.
2210
2211 2017-04-18  Jonathan Wakely  <jwakely@redhat.com>
2212
2213         * include/std/functional (default_searcher, __boyer_moore_array_base)
2214         (__is_std_equal_to, __boyer_moore_base_t, boyer_moore_searcher)
2215         (boyer_moore_horspool_searcher): Remove redundant namespace
2216         qualification.
2217         (default_searcher::operator()): Construct return value early and
2218         advance second member in-place.
2219         (boyer_moore_horspool_searcher::operator()): Increment random access
2220         iterator directly instead of using std::next.
2221         (boyer_moore_searcher::operator()): Fix return value.
2222         * testsuite/20_util/function_objects/searchers.cc: Check both parts
2223         of return values.
2224
2225 2017-04-12  Gerald Pfeifer  <gerald@pfeifer.com>
2226
2227         * doc/xml/faq.xml: Update reference link to C++ ABI for Itanium.
2228         * doc/xml/manual/abi.xml. Ditto (thrice).
2229
2230 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
2231
2232         * doc/xml/manual/status_cxx2017.xml: Remove duplicate table entry.
2233         * doc/html/*: Regenerate.
2234
2235         * testsuite/20_util/reference_wrapper/invoke.cc: Uncomment tests
2236         that no longer fail.
2237
2238         * include/bits/ios_base.h: Correct comment.
2239         * testsuite/util/testsuite_hooks.h: Likewise.
2240
2241         * doc/xml/manual/status_cxx2017.xml: Update C++17 status table.
2242         * doc/xml/manual/appendix_contributing.xml (contrib.organization): Add
2243         directories for debug, parallel and profile headers.
2244         * doc/html/*: Regenerate.
2245
2246         * include/bits/char_traits.h (__gnu_cxx::char_traits): Add
2247         _GLIBCXX14_CONSTEXPR on assign, compare, find, and length.
2248         (std::char_traits<char>, std::char_traits<wchar_t>): Add
2249         _GLIBCXX17_CONSTEXPR on assign.
2250         (std::char_traits<char16_t>, std::char_traits<char32_t>): Add
2251         _GLIBCXX17_CONSTEXPR on assign, compare, find, and length.
2252         * testsuite/21_strings/char_traits/requirements/
2253         constexpr_functions_c++17.cc: New test.
2254
2255 2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
2256
2257         PR libstdc++/79141
2258         * include/bits/stl_pair.h (__nonesuch_no_braces): New.
2259         (operator=(typename conditional<
2260         __and_<is_copy_assignable<_T1>,
2261         is_copy_assignable<_T2>>::value,
2262         const pair&, const __nonesuch&>::type)): Change __nonesuch
2263         to __nonesuch_no_braces.
2264         (operator=(typename conditional<
2265         __not_<__and_<is_copy_assignable<_T1>,
2266         is_copy_assignable<_T2>>>::value,
2267         const pair&, const __nonesuch&>::type)): Likewise.
2268         (operator=(typename conditional<
2269         __and_<is_move_assignable<_T1>,
2270         is_move_assignable<_T2>>::value,
2271         pair&&, __nonesuch&&>::type)): Likewise.
2272         * testsuite/20_util/pair/79141.cc: New.
2273
2274 2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
2275
2276         Implement std::is_aggregate.
2277         * include/std/type_traits (is_aggregate, is_aggregate_v): New.
2278         * testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
2279         New.
2280         * testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
2281         * testsuite/20_util/is_aggregate/value.cc: Likewise.
2282
2283 2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>
2284
2285         Adjust optional's pretty printer for LWG 2900.
2286         * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter.__init__):
2287         Look at the nested payload in case of non-experimental optional.
2288
2289 2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>
2290
2291         Implement LWG 2900, The copy and move constructors
2292         of optional are not constexpr.
2293         * include/std/optional (_Optional_payload): New.
2294         (_Optional_base): Remove the bool parameter.
2295         (_Optional_base<_Tp, false>): Remove.
2296         (_Optional_base()): Adjust.
2297         (_Optional_base(nullopt_t)): Likewise.
2298         (_Optional_base(in_place_t, _Args&&...)): Likewise.
2299         (_Optional_base(in_place_t, initializer_list<_Up>, _Args&&...)):
2300         Likewise.
2301         (_Optional_base(const _Optional_base&)): Likewise.
2302         (_Optional_base(_Optional_base&&)): Likewise.
2303         (operator=(const _Optional_base&)): Likewise.
2304         (operator=(_Optional_base&&)): Likewise.
2305         (~_Optional_base()): Remove.
2306         (_M_is_engaged()): Adjust.
2307         (_M_get()): Likewise.
2308         (_M_construct(_Args&&...)): Likewise.
2309         (_M_destruct()): Likewise.
2310         (_M_reset()): Likewise.
2311         (_Optional_base::_Empty_byte): Remove.
2312         (_Optional_base::_M_empty): Remove.
2313         (_Optional_base::_M_payload): Adjust.
2314         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
2315         * testsuite/20_util/optional/constexpr/cons/value.cc: Add tests.
2316
2317 2017-03-28  Jonathan Wakely  <jwakely@redhat.com>
2318
2319         PR libstdc++/80137
2320         * include/bits/random.tcc (generate_canonical): Use std::nextafter
2321         or numeric_limits::epsilon() to reduce out-of-range values.
2322         * testsuite/26_numerics/random/uniform_real_distribution/operators/
2323         64351.cc: Verify complexity requirement is met.
2324
2325         * doc/xml/manual/abi.xml: Add xml:id anchor.
2326         * doc/xml/manual/using.xml (manual.intro.using.macros): Document
2327         _GLIBCXX_RELEASE. Link to new anchor for __GLIBCXX__ notes.
2328         (concurrency.io.structure): Add markup.
2329         * doc/html/*: Regenerate.
2330
2331         PR libstdc++/80229
2332         * include/bits/shared_ptr_base.h
2333         (__shared_ptr::_M_enable_shared_from_this_with): Change parameters to
2334         non-const and then use remove_cv to get unqualified type.
2335         * testsuite/20_util/enable_shared_from_this/members/const.cc: Don't
2336         cast away constness on object created const.
2337         * testsuite/20_util/shared_ptr/cons/80229.cc: New test.
2338
2339 2017-03-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
2340
2341         PR libstdc++/80183
2342         * include/bits/stl_tree.h:
2343         (_Rb_tree_header::_M_move_data(_Rb_tree_header&)): Also save _M_color.
2344
2345 2017-03-23  Jonathan Wakely  <jwakely@redhat.com>
2346
2347         * testsuite/23_containers/array/tuple_interface/
2348         tuple_element_debug_neg.cc: Adjust dg-error.
2349         * testsuite/23_containers/list/operations/78389.cc: Fix less-than to
2350         define a valid strict weak ordering.
2351         * testsuite/23_containers/priority_queue/67085.cc: Disable test for
2352         Debug Mode, due to debug checks making extra copies of predicate.
2353         * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
2354         Likewise.
2355
2356         * doc/xml/faq.xml: Add link.
2357         * doc/xml/manual/backwards_compatibility.xml: Remove outdated
2358         information on pre-ISO headers. Replace broken link to C++ FAQ Lite.
2359         * doc/xml/manual/io.xml: Update broken link.
2360         * doc/html/*: Regenerate.
2361
2362 2017-03-23  Daniel Kruegler  <daniel.kruegler@gmail.com>
2363
2364         Implement LWG 2686, Why is std::hash specialized for error_code,
2365         but not error_condition?
2366         * include/std/system_error (hash<error_condition>): Define for C++17.
2367         * testsuite/20_util/hash/operators/size_t.cc (hash<error_condition>):
2368         Instantiate test for error_condition.
2369         * testsuite/20_util/hash/requirements/explicit_instantiation.cc
2370         (hash<error_condition>): Instantiate hash<error_condition>.
2371
2372         * include/bits/c++config (_GLIBCXX17_INLINE): Define.
2373         * include/bits/regex_constants.h (All std::regex_constants constants):
2374         Add _GLIBCXX17_INLINE as per P0607R0.
2375         * include/bits/std_mutex.h (defer_lock, try_to_lock, adopt_lock):
2376         Likewise.
2377         * include/bits/stl_pair.h (piecewise_construct): Likewise.
2378         * include/bits/uses_allocator.h (allocator_arg, uses_allocator_v)
2379         (__is_uses_allocator_constructible_v)
2380         (__is_nothrow_uses_allocator_constructible_v): Likewise.
2381         * include/std/chrono (treat_as_floating_point_v): Likewise.
2382         * include/std/functional (is_bind_expression_v, is_placeholder_v):
2383         Likewise.
2384         * include/std/optional (nullopt): Likewise.
2385         * include/std/ratio (ratio_equal_v, ratio_not_equal_v, ratio_less_v)
2386         ratio_less_equal_v, ratio_greater_v, ratio_greater_equal_v): Likewise.
2387         * include/std/system_error (is_error_code_enum_v)
2388         (is_error_condition_enum_v): Likewise.
2389         * include/std/tuple (tuple_size_v, ignore): Likewise.
2390         (ignore): Declare ignore constexpr as per LWG 2773, declare assignment
2391         constexpr as per LWG 2933.
2392         * include/std/type_traits (All variable templates): Add
2393         _GLIBCXX17_INLINE as per P0607R0.
2394         * include/std/variant (variant_size_v, variant_npos, __index_of_v)
2395         (__tuple_count_v, __exactly_once): Likewise.
2396         * testsuite/18_support/headers/new/synopsis.cc
2397         (hardware_destructive_interference_size)
2398         (hardware_constructive_interference_size): Likewise for commented-out
2399         variables.
2400         * testsuite/20_util/tuple/creation_functions/constexpr.cc: Add new
2401         test function for constexpr std::ignore (LWG 2773).
2402         * testsuite/20_util/tuple/creation_functions/constexpr_cpp14.cc: New
2403         test for LWG 2933.
2404
2405 2017-03-22  Jonathan Wakely  <jwakely@redhat.com>
2406
2407         * include/bits/shared_ptr.h (shared_ptr, weak_ptr): Add deduction
2408         guides for C++17.
2409         * include/bits/std_function.h (function): Likewise.
2410         * include/bits/stl_pair.h (pair): Likewise.
2411         * include/debug/array (__gnu_debug::array): Likewise.
2412         * include/std/array (array): Likewise.
2413         * include/std/functional (make_default_searcher)
2414         (make_boyer_moore_searcher, make_boyer_moore_horspool_searcher):
2415         Remove generator functions.
2416         * include/std/tuple (tuple): Add deduction guides.
2417         * include/std/valarray (valarray): Likewise.
2418         * testsuite/20_util/function_objects/searchers.cc: Adjust to use
2419         class template argument deduction instead of generator functions.
2420         * testsuite/20_util/function/cons/deduction.cc: New test.
2421         * testsuite/20_util/optional/cons/deduction_guide.cc: Rename to ...
2422         * testsuite/20_util/optional/cons/deduction.cc: ... here.
2423         * testsuite/20_util/pair/cons/deduction.cc: New test.
2424         * testsuite/20_util/shared_ptr/cons/deduction.cc: New test.
2425         * testsuite/20_util/tuple/cons/deduction.cc: New test.
2426         * testsuite/20_util/tuple/element_access/get_neg.cc: Adjust dg-error.
2427         * testsuite/20_util/unique_ptr/cons/deduction_neg.cc: New test.
2428         * testsuite/20_util/weak_ptr/cons/deduction.cc: New test.
2429         * testsuite/23_containers/array/cons/deduction.cc: New test.
2430         * testsuite/23_containers/array/cons/deduction_neg.cc: New test.
2431         * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc:
2432         Adjust dg-error.
2433         * testsuite/23_containers/array/tuple_interface/get_neg.cc: Likewise.
2434         * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
2435         Likewise.
2436         * testsuite/26_numerics/valarray/deduction.cc: New test.
2437         * testsuite/30_threads/lock_guard/cons/deduction.cc: New test.
2438         * testsuite/30_threads/scoped_lock/cons/deduction.cc: New test.
2439         * testsuite/30_threads/unique_lock/cons/deduction.cc: New test.
2440
2441 2017-03-20  François Dumont  <fdumont@gcc.gnu.org>
2442
2443         * include/bits/stl_deque.h (deque): Access allocator value_type only if
2444         concept checks are enabled.
2445         * include/bits/stl_stack.h (stack): Likewise.
2446         * include/bits/stl_vector.h (vector): Likewise.
2447         * include/bits/stl_list.h (list): Likewise and check
2448         _SGIAssignableConcept only in C++03.
2449         * include/bits/stl_map.h (map): Likewise.
2450         * include/bits/stl_set.h (set): Likewise.
2451         * include/bits/stl_multimap.h (multimap): Likewise.
2452         * include/bits/stl_multiset.h (multiset): Likewise.
2453         * include/bits/stl_queue.h (queue, priority_queue): Likewise.
2454
2455 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
2456
2457         * doc/xml/manual/appendix_contributing.xml: Convert link to
2458         ansi.org to https.
2459         Update link to the C++ standard at ansi.org.
2460
2461         * doc/xml/faq.xml: Remove information redundant with the above;
2462         instead add a reference.
2463
2464 2017-03-17  Jonathan Wakely  <jwakely@redhat.com>
2465
2466         * src/c++11/codecvt.cc (range): Add non-type template parameter and
2467         define oerloaded operators for reading and writing code units.
2468         (range<Elem, false>): Define partial specialization for accessing
2469         wide characters in potentially unaligned byte ranges.
2470         (ucs2_span(const char16_t*, const char16_t*, ...))
2471         (ucs4_span(const char16_t*, const char16_t*, ...)): Change parameters
2472         to range<const char16_t, false> in order to avoid unaligned reads.
2473         (__codecvt_utf16_base<char16_t>::do_out)
2474         (__codecvt_utf16_base<char32_t>::do_out)
2475         (__codecvt_utf16_base<wchar_t>::do_out): Use range specialization for
2476         unaligned data to avoid unaligned writes.
2477         (__codecvt_utf16_base<char16_t>::do_in)
2478         (__codecvt_utf16_base<char32_t>::do_in)
2479         (__codecvt_utf16_base<wchar_t>::do_in): Likewise for writes. Return
2480         error if there are unprocessable trailing bytes.
2481         (__codecvt_utf16_base<char16_t>::do_length)
2482         (__codecvt_utf16_base<char32_t>::do_length)
2483         (__codecvt_utf16_base<wchar_t>::do_length): Pass arguments of type
2484         range<const char16_t, false> to span functions.
2485         * testsuite/22_locale/codecvt/codecvt_utf16/misaligned.cc: New test.
2486
2487 2017-03-16  Jonathan Wakely  <jwakely@redhat.com>
2488
2489         PR libstdc++/79980
2490         * src/c++11/codecvt.cc (to_integer(codecvt_mode)): Fix target type.
2491
2492         PR libstdc++/80041
2493         * src/c++11/codecvt.cc (__codecvt_utf16_base<wchar_t>::do_out)
2494         (__codecvt_utf16_base<wchar_t>::do_in): Convert char arguments to
2495         char16_t to work with UTF-16 instead of UTF-8.
2496         * testsuite/22_locale/codecvt/codecvt_utf16/80041.cc: New test.
2497
2498         * src/c++11/codecvt.cc (codecvt<char16_t, char, mbstate_t>)
2499         (codecvt<char32_t, char, mbstate_t>, __codecvt_utf8_base<char16_t>)
2500         (__codecvt_utf8_base<char32_t>, __codecvt_utf8_base<wchar_t>)
2501         (__codecvt_utf16_base<char16_t>, __codecvt_utf16_base<char32_t>)
2502         (__codecvt_utf16_base<wchar_t>, __codecvt_utf8_utf16_base<char16_t>)
2503         (__codecvt_utf8_utf16_base<char32_t>)
2504         (__codecvt_utf8_utf16_base<wchar_t>): Fix do_encoding() and
2505         do_max_length() return values.
2506         * testsuite/22_locale/codecvt/codecvt_utf16/members.cc: New test.
2507         * testsuite/22_locale/codecvt/codecvt_utf8/members.cc: New test.
2508         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/members.cc: New test.
2509
2510         PR libstdc++/79980
2511         * include/bits/locale_conv.h (__do_str_codecvt): Set __count on
2512         error path.
2513         * src/c++11/codecvt.cc (operator&=, operator|=, operator~): Overloads
2514         for manipulating codecvt_mode values.
2515         (read_utf16_bom): Compare input to BOM constants instead of integral
2516         constants that depend on endianness.  Take mode parameter by
2517         reference and adjust it, to distinguish between no BOM present and
2518         UTF-16BE BOM present.
2519         (ucs4_in, ucs2_span, ucs4_span): Adjust calls to read_utf16_bom.
2520         (surrogates): New enumeration type.
2521         (utf16_in, utf16_out): Add surrogates parameter to choose between
2522         UTF-16 and UCS2 behaviour.
2523         (utf16_span, ucs2_span): Use std::min not std::max.
2524         (ucs2_out): Use std::min not std::max.  Disallow surrogate pairs.
2525         (ucs2_in): Likewise. Adjust calls to read_utf16_bom.
2526         * testsuite/22_locale/codecvt/codecvt_utf16/79980.cc: New test.
2527         * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: New test.
2528
2529         PR libstdc++/79511
2530         * src/c++11/codecvt.cc (write_utf16_code_point): Don't write 0xffff
2531         as a surrogate pair.
2532         (__codecvt_utf8_utf16_base<char32_t>::do_in): Use native endianness
2533         for internal representation.
2534         (__codecvt_utf8_utf16_base<wchar_t>::do_in): Likewise.
2535         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/79511.cc: New test.
2536
2537         PR libstdc++/80064
2538         * include/bits/stl_heap.h (__is_heap, push_heap, __adjust_heap)
2539         (pop_heap, make_heap, sort_heap, is_heap_until, is_heap): Cope with
2540         invalid instantiations using function types for _Compare argument.
2541         * testsuite/25_algorithms/make_heap/80064.cc: New test.
2542
2543         PR libstdc++/67440
2544         * python/libstdcxx/v6/printers.py (find_type): Avoid gdb.Type.name
2545         for GDB 7.6 compatibility, use gdb.Type.unqualified instead.
2546
2547 2017-03-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
2548
2549         Implement LWG 2857, {variant,optional,any}::emplace should
2550         return the constructed value.
2551         * include/std/any (emplace(_Args&&...)): Change the return type and
2552         return a reference to the constructed value.
2553         (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
2554         * include/std/optional (emplace(_Args&&...)): Likewise.
2555         (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
2556         * include/std/variant (emplace<_Tp>(_Args&&...)): Likewise.
2557         (emplace<_Tp>(initializer_list<_Up>, _Args&&...)): Likewise.
2558         (emplace<_Np>(_Args&&...)): Likewise.
2559         (emplace<_Np>(initializer_list<_Up>, _Args&&...)): Likewise.
2560         * testsuite/20_util/any/assign/emplace.cc: Add tests for
2561         checking the return value of emplace.
2562         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.
2563         * testsuite/20_util/optional/assignment/6.cc: Add tests for
2564         checking the return value of emplace.
2565         * testsuite/20_util/variant/run.cc: Likewise.
2566
2567 2017-03-15  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
2568
2569         PR libstdc++/62045
2570         * include/ext/pb_ds/qdetail/binary_heap_/binary_heap_.hpp
2571         (is_heap): Remove.
2572         (push_heap): Remove the wrong checking using is_heap.
2573         (make_heap): Remove the assertion using is_heap.
2574         * include/ext/pb_ds/detail/binary_heap_/insert_fn_imps.hpp
2575         (modify): Ditto.
2576         (resize_for_insert_if_needed): Add PB_DS_ASSERT_VALID after
2577         calling make_heap.
2578
2579 2017-03-15  Jonathan Wakely  <jwakely@redhat.com>
2580
2581         PR libstdc++/62045
2582         * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
2583         New test.
2584         * testsuite/ext/pb_ds/regression/priority_queues.cc: Fix copy&paste
2585         error in comment.
2586
2587 2017-03-15  Jonathan Wakely  <jwakely@redhat.com>
2588
2589         * acinclude.m4 (GLIBCXX_CHECK_S_ISREG_OR_S_IFREG): Fix typo in
2590         comment.
2591         * config.h.in: Regenerate.
2592         * configure: Regenerate.
2593         * doc/Makefile.in: Regenerate.
2594
2595 2017-03-14  Jonathan Wakely  <jwakely@redhat.com>
2596
2597         PR libstdc++/79162
2598         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2599         (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Replace
2600         with a constrained template.
2601         [!_GLIBCXX_USE_CXX11_ABI]
2602         (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Likewise.
2603         * testsuite/21_strings/basic_string/cons/char/79162.cc: New test.
2604         * testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: New test.
2605
2606 2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
2607
2608         PR libstdc++/80034
2609         * include/bits/list.tcc (merge(list&&)): Use const for the size_t
2610         in the catch-block.
2611         (merge(list&&, _StrictWeakOrdering)): Likewise.
2612         * testsuite/23_containers/list/operations/80034.cc: New.
2613
2614 2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
2615
2616         Implement LWG 2806, Base class of bad_optional_access.
2617         * include/std/optional (bad_optional_access):
2618         Derive from std::exception.
2619         (bad_optional_access::bad_optional_access): Adjust.
2620         (bad_optional_access::what): New.
2621         (__throw_bad_optional_access(const char*)):
2622         Remove the parameter and adjust calls.
2623         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
2624         * testsuite/20_util/optional/typedefs.cc: Likewise.
2625
2626 2017-03-12  Ville Voutilainen  <ville.voutilainen@gmail.com>
2627
2628         Implement LWG 2934, optional<const T> doesn't compare with T.
2629         * include/std/optional
2630         (operator==(const optional<_Tp>&, const optional<_Tp>&)):
2631         Turn into operator==(const optional<_Tp>&, const optional<_Up>&).
2632         (operator!=(const optional<_Tp>&, const optional<_Tp>&)):
2633         Turn into operator!=(const optional<_Tp>&, const optional<_Up>&).
2634         (operator<(const optional<_Tp>&, const optional<_Tp>&)):
2635         Turn into operator<(const optional<_Tp>&, const optional<_Up>&.
2636         (operator>(const optional<_Tp>&, const optional<_Tp>&)):
2637         Turn into operator>(const optional<_Tp>&, const optional<_Up>&.
2638         (operator<=(const optional<_Tp>&, const optional<_Tp>&)):
2639         Turn into operator<=(const optional<_Tp>&, const optional<_Up>&).
2640         (operator>=(const optional<_Tp>&, const optional<_Tp>&)):
2641         Turn into operator>=(const optional<_Tp>&, const optional<_Up>&).
2642         (operator==(const optional<_Tp>&, const _Tp&)):
2643         Turn into operator==(const optional<_Tp>&, const _Up&).
2644         (operator==(const _Tp&, const optional<_Tp>&)):
2645         Turn into operator==(const _Up&, const optional<_Tp>&).
2646         (operator!=(const optional<_Tp>&, const _Tp&)):
2647         Turn into operator!=(const optional<_Tp>&, const _Up&).
2648         (operator!=(const _Tp&, const optional<_Tp>&)):
2649         Turn into operator!=(const _Up&, const optional<_Tp>&).
2650         (operator<(const optional<_Tp>&, const _Tp&)):
2651         Turn into operator<(const optional<_Tp>&, const _Up&).
2652         (operator<(const _Tp&, const optional<_Tp>&)):
2653         Turn into operator<(const _Up&, const optional<_Tp>&).
2654         (operator>(const optional<_Tp>&, const _Tp&)):
2655         Turn into operator>(const optional<_Tp>&, const _Up&).
2656         (operator>(const _Tp&, const optional<_Tp>&)):
2657         Turn into operator>(const _Up&, const optional<_Tp>&).
2658         (operator<=(const optional<_Tp>&, const _Tp&)):
2659         Turn into operator<=(const optional<_Tp>&, const _Up&).
2660         (operator<=(const _Tp&, const optional<_Tp>&)):
2661         Turn into operator<=(const _Up&, const optional<_Tp>&).
2662         (operator>=(const optional<_Tp>&, const _Tp&)):
2663         Turn into operator>=(const optional<_Tp>&, const _Up&).
2664         (operator>=(const _Tp&, const optional<_Tp>&)):
2665         Turn into operator>=(const _Up&, const optional<_Tp>&).
2666         * testsuite/20_util/optional/relops/7.cc: New.
2667
2668 2017-03-10  Jonathan Wakely  <jwakely@redhat.com>
2669
2670         * testsuite/17_intro/names.cc: Undefine macros that clash with
2671         identifiers in AIX system headers.
2672
2673         * include/bits/invoke.h (__invoke): Use __invoke_result instead of
2674         result_of, and __is_nothrow_invocable instead of
2675         __is_nothrow_callable.
2676         * include/bits/shared_ptr_base.h (__shared_ptr): Use __is_invocable
2677         instead of __is_callable.
2678         * include/std/functional (invoke): use invoke_result_t instead of
2679         result_of_t and is_nothrow_invocable instead of is_nothrow_callable.
2680         (_Not_fn): Use __invoke_result instead of result_of.
2681         * include/std/type_traits (__result_of_memobj, __result_of_memfun):
2682         Remove partial specializations for reference_wrapper types.
2683         (__result_of_impl): Use __inv_unwrap to strip reference_wrapper.
2684         (__invoke_result): Define replacement for result_of and then use it to
2685         define result_of.
2686         (__is_callable_impl, __is_callable, __is_nothrow_callable): Replace
2687         with __is_invocable_impl, __is_invocable, and __is_nothrow_invocable
2688         respectively.
2689         (invoke_result, invoke_result_t): Define for C++17.
2690         (is_callable, is_nothrow_callable): Replace with is_invocable,
2691         is_invocable_r, is_nothrow_invocable, and is_nothrow_invocable_r.
2692         (is_callable_v, is_nothrow_callable_v): Replace with is_invocable_v,
2693         is_invocable_r_v, is_nothrow_invocable_v, and is_nothrow_invocable_r_v.
2694         * include/std/variant (hash<variant<T...>>): Use is_nothrow_invocable_v
2695         instead of is_nothrow_callable_v.
2696         * testsuite/20_util/function_objects/invoke/59768.cc: Remove unused
2697         main function.
2698         * testsuite/20_util/function_objects/not_fn/1.cc: Use is_invocable
2699         instead of is_callable.
2700         * testsuite/20_util/is_callable/*: Rename directory and adjust tests
2701         to use new traits.
2702         * testsuite/20_util/is_nothrow_callable/*: Likewise.
2703         * testsuite/20_util/optional/hash.cc: Use is_invocable_v instead of
2704         is_callable.
2705         * testsuite/20_util/variant/hash.cc: Likewise.
2706
2707 2017-03-10  George Lander  <george.lander@arm.com>
2708
2709         * acinclude.m4 (glibcxx_cv_obsolete_isnan): Define
2710         _GLIBCXX_INCLUDE_NEXT_C_HEADERS before including math.h.
2711         * configure: Regenerate.
2712
2713 2017-03-09  Jonathan Wakely  <jwakely@redhat.com>
2714
2715         * include/std/functional (_Not_fn): Define macro to simplify
2716         repetitive function definitions.
2717
2718         * doc/xml/manual/status_cxx2017.xml: Document std::byte support.
2719         * include/c_global/cstddef (std::byte): Define for C++17.
2720         * testsuite/18_support/byte/global_neg.cc: New test.
2721         * testsuite/18_support/byte/ops.cc: New test.
2722         * testsuite/18_support/byte/requirements.cc: New test.
2723
2724 2017-03-05  Jonathan Wakely  <jwakely@redhat.com>
2725
2726         * doc/xml/manual/status_cxx2017.xml: Document P0156R2 status.
2727         * doc/html/*: Regenerate.
2728         * include/std/mutex (scoped_lock): Implement new C++17 template.
2729         * testsuite/30_threads/scoped_lock/cons/1.cc: New test.
2730         * testsuite/30_threads/scoped_lock/requirements/
2731         explicit_instantiation.cc: New test.
2732         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: New test.
2733
2734 2017-03-02  Gerald Pfeifer  <gerald@pfeifer.com>
2735             François Dumont  <frs.dumont@gmail.com>
2736             Jonathan Wakely  <jwakely@redhat.com>
2737
2738         * doc/xml/manual/debug_mode.xml: Update and simplify note
2739         on link- and run-time coexistence.
2740
2741 2017-03-02  Jonathan Wakely  <jwakely@redhat.com>
2742
2743         * testsuite/17_intro/headers/names.cc: Rename to ...
2744         * testsuite/17_intro/names.cc: ... here.
2745
2746         PR libstdc++/79789
2747         * include/bits/hashtable_policy.h (__clp2): Use reserved names for
2748         parameters and local variables.
2749         * include/bits/ios_base.h (make_error_code, make_error_condition):
2750         Likewise.
2751         * include/bits/list.tcc (list::sort): Likewise.
2752         * include/bits/mask_array.h (mask_array): Likewise.
2753         * include/bits/regex.h (regex_token_iterator): Likewise.
2754         * include/bits/slice_array.h (slice_array): Likewise.
2755         * include/bits/stl_algo.h (__sample): Likewise.
2756         * include/std/memory (undeclare_no_pointers): Likewise.
2757         * include/std/type_traits (is_callable_v, is_nothrow_callable_v):
2758         Likewise.
2759         * libsupc++/exception_ptr.h (__dest_thunk): Likewise.
2760         * testsuite/17_intro/headers/names.cc: New test.
2761
2762         PR libstdc++/79798
2763         * include/std/functional (bind::_Res_type_impl): Fix incorrect use of
2764         result_of that loses top-level cv-qualifiers.
2765         * testsuite/20_util/bind/79798.cc: New test.
2766
2767 2017-03-01  Gerald Pfeifer  <gerald@pfeifer.com>
2768
2769         * doc/xml/manual/documentation_hacking.xml: Tweak link to
2770         doxygen.org.
2771
2772 2017-02-23  Jonathan Wakely  <jwakely@redhat.com>
2773
2774         * include/experimental/iterator: Include <iterator>.
2775         * testsuite/experimental/iterator/requirements.cc: Check for contents
2776         of <iterator>.
2777
2778 2017-02-19  Dinka Ranns  <dinka.ranns@googlemail.com>
2779
2780         C++17 GB50 resolution
2781         * include/std/chrono (duration::operator++()): Add
2782         _GLIBCXX17_CONSTEXPR.
2783         (duration::operator++(int)): Likewise.
2784         (duration::operator--()): Likewise.
2785         (duration::operator--(int)): Likewise.
2786         (duration::operator+=(const duration&)): Likewise.
2787         (duration::operator-=(const duration&)): Likewise.
2788         (duration::operator*=(const rep&)): Likewise.
2789         (duration::operator/=(const rep&)): Likewise.
2790         (duration::operator%=(const rep&)): Likewise.
2791         (duration::operator%=(const duration&)): Likewise.
2792         (time_point::operator+=(const duration&)): Likewise.
2793         (time_point::operator-=(const duration&)): Likewise.
2794         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: New test.
2795         * testsuite/20_util/duration/literals/range.cc: Adjust dg-error.
2796         * testsuite/20_util/time_point/arithmetic/constexpr.cc: New test.
2797
2798 2017-02-19  Gerald Pfeifer  <gerald@pfeifer.com>
2799
2800         * doc/xml/manual/debug.xml: Adjust link to ThreadSanitizer.
2801
2802 2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
2803
2804         * doc/xml/manual/io.xml: Update link to groups.google.com.
2805         Tweak link description.
2806
2807 2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
2808
2809         * doc/xml/manual/profile_mode.xml: Fix link.
2810
2811 2017-02-16  Gerald Pfeifer  <gerald@pfeifer.com>
2812
2813         * doc/xml/manual/policy_data_structures.xml: Simplify and
2814         standardize references to boost.org.
2815         * doc/xml/manual/policy_data_structures_biblio.xml: Ditto.
2816         * doc/xml/manual/shared_ptr.xml: Ditto.
2817
2818 2017-02-16  Jonathan Wakely  <jwakely@redhat.com>
2819
2820         PR libstdc++/60936
2821         * src/c++11/snprintf_lite.cc (__concat_size_t): Calculate length
2822         written to buffer, not length remaining in buffer.
2823
2824 2017-02-15  Tim Shen  <timshen@google.com>
2825
2826         PR libstdc++/78723
2827         * include/std/variant (operator<(), operator>(), operator<=(),
2828         operator>=(), operator==(), operator!=()): Implement P0393R3.
2829         * testsuite/20_util/variant/compile.cc: Adjust tests.
2830         * testsuite/20_util/variant/run.cc: Adjust tests.
2831
2832 2017-02-15  Tim Shen  <timshen@google.com>
2833
2834         PR libstdc++/79513
2835         * include/std/variant (visit()): Forward variant types to the return
2836         type detection code.
2837         * testsuite/20_util/variant/compile.cc: Add test cases.
2838
2839 2017-02-13  H.J. Lu  <hongjiu.lu@intel.com>
2840
2841         PR libstdc++/79348
2842         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
2843
2844 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
2845
2846         PR libstdc++/79348
2847         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2848         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Likewise.
2849         * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Likewise.
2850         * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Likewise.
2851         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Likewise.
2852         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Likewise.
2853         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Likewise.
2854         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Likewise.
2855         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Likewise.
2856
2857 2017-02-13  Jonathan Wakely  <jwakely@redhat.com>
2858
2859         PR libstdc++/79486
2860         * include/std/future (__future_base::_Task_state::_M_run)
2861         (__future_base::_Task_state::_M_run_delayed): Use lvalue types in
2862         result_of expressions.
2863         * testsuite/30_threads/packaged_task/79486.cc: New.
2864
2865 2017-02-11  Jonathan Wakely  <jwakely@redhat.com>
2866
2867         PR libstdc++/79467
2868         * include/bits/shared_ptr_base.h (__shared_ptr(_Yp*, _Deleter))
2869         (__shared_ptr(_Yp*, _Deleter, _Alloc)): Use lvalue types in
2870         __is_callable check.
2871         * testsuite/20_util/shared_ptr/cons/79467.cc: New.
2872
2873         * include/bits/atomic_base.h: Re-indent.
2874
2875 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
2876
2877         * doc/xml/manual/profile_mode.xml: Update a paper reference.
2878
2879 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
2880
2881         * src/c++11/snprintf_lite.cc (__err): Use https for bug reporting.
2882
2883 2017-02-08  Jonathan Wakely  <jwakely@redhat.com>
2884
2885         * doc/xml/manual/policy_data_structures.xml: Fix spelling of author's
2886         name.
2887         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise. Remove
2888         broken links to texts that are no longer online.
2889         * doc/xml/manual/profile_mode.xml: Update links to CGO 2009 paper and
2890         LCPC 2006 paper.
2891         * doc/xml/manual/using.xml: Update links to memory model information.
2892         * doc/xml/manual/using_exceptions.xml: Update link to "Appendix E:
2893         Standard-Library Exception Safety".
2894         * doc/html/*: Regenerate.
2895
2896 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
2897
2898         * doc/xml/manual/profile_mode.xml: Unbreak link to
2899         "Optimizing Sorting with Machine Learning Algorithms".
2900
2901 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
2902
2903         * src/c++11/snprintf_lite.cc (__err): Update bug reporting URL.
2904
2905 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
2906
2907         * doc/xml/manual/abi.xml: Update link to "Sun Studio 11: C++
2908         Migration Guide".
2909
2910 2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
2911
2912         * doc/html/ext/lwg-active.html: Remove.
2913         * doc/html/ext/lwg-closed.html: Ditto.
2914         * doc/html/ext/lwg-defects.html: Ditto.
2915
2916         * doc/Makefile.am (xml_extradir): Remove.
2917         (xml_extra): Ditto.
2918         (stamp-html-docbook-lwg): Remove recipe...
2919         (stamp-html-docbook-data): ...and its use here.
2920         * doc/Makefile.in: Regenerate.
2921
2922         * doc/xml/manual/intro.xml: Shorten two paragraphs explaining
2923         the relationship to the upstream working group.
2924         Replace a local link to ../ext/lwg-active.html by the upstream one.
2925         Replace all reference to ../ext/lwg-defects.html by a new entity
2926         &DR; which refers to the upstream address.
2927
2928 2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
2929
2930         * doc/xml/manual/status_cxx2017.xml: Fix link to N4284.
2931
2932 2017-02-06  Jonathan Wakely  <jwakely@redhat.com>
2933
2934         PR libstdc++/79323
2935         * testsuite/20_util/duration/literals/range.cc: Prune extra output
2936         at -O0.
2937
2938 2017-02-06  Gerald Pfeifer  <gerald@pfeifer.com>
2939
2940         * doc/xml/manual/documentation_hacking.xml: Update URL of the
2941         DocBook Element Reference.  Use that term as link description
2942         instead of "online".
2943         epubcheck has moved to GitHub.
2944         Remove obsolete link to DocBook Publishing Tools.
2945
2946 2017-02-03  Jonathan Wakely  <jwakely@redhat.com>
2947
2948         PR libstdc++/66145
2949         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Restore ABI override
2950         so new ios::failure can be caught even when old ABI is the default.
2951         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
2952         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
2953         exceptions_failbit.cc: Likewise.
2954         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
2955         exceptions_failbit.cc: Likewise.
2956         * testsuite/27_io/basic_istream/extractors_other/char/
2957         exceptions_null.cc: Likewise.
2958         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
2959         exceptions_null.cc: Likewise.
2960         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
2961         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
2962         * testsuite/27_io/basic_ostream/inserters_other/char/
2963         exceptions_null.cc: Likewise.
2964         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
2965         exceptions_null.cc: Likewise.
2966         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
2967
2968         PR libstdc++/60936
2969         * src/c++11/Makefile.am: Add new files.
2970         * src/c++11/Makefile.in: Regenerate.
2971         * src/c++11/cow-string-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
2972         (operator<<, operator>>, getline): Move explicit instantiations to ...
2973         * src/c++11/cow-string-io-inst.cc: ... new file.
2974         * src/c++11/cow-wstring-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
2975         (operator<<, operator>>, getline): Move explicit instantiations to ...
2976         * src/c++11/cow-wstring-io-inst.cc: ... new file.
2977         * src/c++11/functexcept.cc (__throw_ios_failure, __throw_system_error)
2978         (__throw_future_error, __throw_bad_function_call):
2979         (__throw_regex_error): Move functions for C++11 exceptions to the
2980         files that define the exception types.
2981         * src/c++11/functional.cc (__throw_bad_function_call): Move here.
2982         * src/c++11/future.cc (__throw_future_error): Likewise.
2983         * src/c++11/ios.cc (__throw_ios_failure): Likewise.
2984         * src/c++11/regex.cc (__throw_regex_error): Likewise.
2985         * src/c++11/snprintf_lite.cc (__concat_size_t): Print decimal
2986         representation directly instead of calling __int_to_char.
2987         * src/c++11/sso_string.cc (__sso_string): New file for definition
2988         of __sso_string type.
2989         * src/c++11/string-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
2990         explicit instantiations of narrow string I/O functions.
2991         * src/c++11/system_error.cc (__throw_system_error): Move here.
2992         (__sso_string): Move to new file.
2993         * src/c++11/wstring-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
2994         explicit instantiations of wide string I/O functions.
2995         * src/c++98/misc-inst.cc [_GLIBCXX_USE_CXX11_ABI] (operator<<)
2996         (operator>>, getline): Remove explicit instantiations from here.
2997
2998 2017-02-02  H.J. Lu  <hongjiu.lu@intel.com>
2999
3000         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3001
3002 2017-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3003
3004         * configure.host: Separate Solaris/SPARC and x86 baselines.
3005         * config/abi/post/solaris2.10/baseline_symbols.txt: Move ...
3006         * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: ... here.
3007         * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Move ...
3008         * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3009         ... here.
3010         * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Move ...
3011         * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: ... here.
3012         * config/abi/post/i386-solaris2.10/baseline_symbols.txt: New file.
3013         * config/abi/post/solaris2.11/baseline_symbols.txt: Move ...
3014         * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: ... here.
3015         * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Move ...
3016         * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3017         ... here.
3018         * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Move ...
3019         * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: ... here.
3020         * config/abi/post/i386-solaris2.11/baseline_symbols.txt: New file.
3021
3022         * config/abi/post/solaris2.10/baseline_symbols.txt: Regenerate.
3023         * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Likewise.
3024         * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Likewise.
3025         * config/abi/post/solaris2.11/baseline_symbols.txt: Likewise.
3026         * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Likewise.
3027         * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Likewise.
3028
3029 2017-02-01  Jonathan Wakely  <jwakely@redhat.com>
3030
3031         PR libstdc++/78346
3032         * include/bits/predefined_ops.h (_Iter_equals_iter): Store iterator
3033         not its referent.
3034         (_Iter_comp_to_iter): Likewise.
3035         * testsuite/25_algorithms/search/78346.cc: New test.
3036
3037         PR libstdc++/79254
3038         * config/abi/pre/gnu.ver: Remove recently added symbols.
3039         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3040         (basic_string::_M_copy_assign): Remove.
3041         (basic_string::operator=(const basic_string&)): Don't dispatch to
3042         _M_copy_assign. If source object is small just deallocate, otherwise
3043         perform new allocation before making any changes.
3044         * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
3045         (basic_string::_M_copy_assign(const basic_string&, true_type)):
3046         Remove.
3047         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3048         Test cases where the allocators are equal or the string is small.
3049         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3050         Likewise.
3051
3052 2017-01-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
3053
3054         Implement LWG 2825, LWG 2756 breaks class template argument
3055         deduction for optional.
3056         * include/std/optional: Add a deduction guide.
3057         * testsuite/20_util/optional/cons/deduction_guide.cc: New.
3058
3059 2017-01-27  Jonathan Wakely  <jwakely@redhat.com>
3060
3061         PR libstdc++/79254
3062         * config/abi/pre/gnu.ver: Add new symbols.
3063         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3064         (basic_string::_M_copy_assign): New overloaded functions to perform
3065         copy assignment.
3066         (basic_string::operator=(const basic_string&)): Dispatch to
3067         _M_copy_assign.
3068         * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
3069         (basic_string::_M_copy_assign(const basic_string&, true_type)):
3070         Define, performing rollback on exception.
3071         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3072         Test exception-safety guarantee.
3073         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3074         Likewise.
3075         * testsuite/util/testsuite_allocator.h (uneq_allocator::swap): Make
3076         std::swap visible.
3077
3078 2017-01-26  Jonathan Wakely  <jwakely@redhat.com>
3079
3080         PR libstdc++/70607
3081         * include/tr1/complex (conj): Remove using-declaration and restore
3082         overloads, reverting previous change.
3083
3084         * testsuite/23_containers/list/operations/78389.cc: Fix for C++11
3085         mode.
3086         * testsuite/23_containers/priority_queue/requirements/constructible.cc:
3087         Mark as unsupported in C++98 mode.
3088         * testsuite/23_containers/queue/requirements/constructible.cc:
3089         Likewise.
3090         * testsuite/23_containers/stack/requirements/constructible.cc:
3091         Likewise.
3092         * testsuite/25_algorithms/make_heap/movable.cc: Fix for C++11 mode.
3093
3094         PR libstdc++/79243
3095         * include/bits/c++config (literals::string_view_literals::__7): Add.
3096         Only declare versioned namespaces for the relevant C++ dialects.
3097         * include/experimental/bits/erase_if.h (fundamentals_v2::__detail):
3098         Add versioning macros.
3099         * include/experimental/bits/lfts_config.h:
3100         (fundamentals_v1::__detail::__7, fundamentals_v2::__detail::__7): Add.
3101         * include/experimental/string_view (fundamentals_v2::__detail):
3102         Add versioning macros.
3103         (fundamentals_v2::__detail::__identity): Remove.
3104         (fundamentals_v2::__detail::__idt): Use common_type instead of
3105         __detail::__identity.
3106         * include/std/string_view (__detail::__identity, __detail::__idt):
3107         Likewise.
3108         (literals::string_view_literals): Fix nesting of versioning macros.
3109
3110         PR libstdc++/79190
3111         * libsupc++/del_opa.cc (operator delete(void*, std::align_val_t))
3112         [!_GLIBCXX_HAVE_ALIGNED_ALLOC && !_GLIBCXX_HAVE_POSIX_MEMALIGN
3113         && !_GLIBCXX_HAVE_MEMALIGN && !_GLIBCXX_HAVE__ALIGNED_MALLOC]:
3114         Retrieve original pointer value allocated by malloc.
3115         * libsupc++/new_opa.cc [!_GLIBCXX_HAVE_ALIGNED_ALLOC
3116         && !_GLIBCXX_HAVE_POSIX_MEMALIGN && !_GLIBCXX_HAVE_MEMALIGN
3117         && !_GLIBCXX_HAVE__ALIGNED_MALLOC] (aligned_alloc(size_t, size_t)):
3118         Define, adjusting pointer value allocated by malloc and storing for
3119         retrieval by operator delete.
3120
3121 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
3122
3123         * libsupc++/eh_atomics.h: Update copyright years.
3124         * testsuite/20_util/unique_ptr/cons/default.cc: Update copyright years.
3125
3126 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
3127
3128         PR libstdc++/61791
3129         PR libstdc++/70607
3130         * include/std/complex (real(T), imag(T)): Add _GLIBCXX_CONSTEXPR.
3131         (proj(T), conj(T)): Change return types per DR 1522.
3132         * include/tr1/complex (conj): Remove overloads and use std::conj.
3133         * testsuite/26_numerics/complex/dr781_dr1137.cc: Rename to...
3134         * testsuite/26_numerics/complex/dr781.cc: ... this, and update.
3135         * testsuite/26_numerics/complex/value_operations/constexpr2.cc: Test
3136         real(T) and imag(T). Allow testing for C++11 too.
3137
3138 2017-01-24  Jonathan Wakely  <jwakely@redhat.com>
3139
3140         PR libstdc++/79206
3141         * include/experimental/string_view (operator==): Check sizes first.
3142         * include/std/string_view (operator==): Likewise.
3143
3144 2017-01-23  Jonathan Wakely  <jwakely@redhat.com>
3145
3146         * testsuite/experimental/array/make_array.cc: Restore <functional>
3147         inclusion.
3148
3149 2017-01-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3150
3151         * testsuite/29_atomics/atomic/69301.cc: Require atomic builtins.
3152
3153 2017-01-23  Jonathan Wakely  <jwakely@redhat.com>
3154
3155         PR libstdc++/79195
3156         * include/experimental/array (__make_array_elem): New class template
3157         and partial specialization.
3158         (__is_reference_wrapper): Move into __make_array_elem specialization.
3159         (make_array): Use __make_array_elem to determine element type and move
3160         static assertion into specialization. Qualify std::forward call.
3161         (to_array): Add exception specifiation.
3162         * testsuite/experimental/array/make_array.cc: Test argument types
3163         without a common type.
3164         * testsuite/experimental/array/neg.cc: Adjust expected error message.
3165
3166 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
3167
3168         * doc/xml/manual/debug.xml: code.google.com uses https now.
3169
3170 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
3171
3172         * doc/xml/manual/test.xml: Fix link into gccint online manual.
3173
3174 2017-01-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
3175
3176         Make poisoned hashes SFINAE away the call operator of the hash.
3177         * include/bits/functional_hash.h
3178         (__poison_hash::__enable_hash_call): New.
3179         * include/std/optional (__optional_hash_call_base): New.
3180         (hash<optional<_Tp>>): Derive from the new base,
3181         move the hash function into that base.
3182         * include/std/variant (__variant_hash_call_base_impl): New.
3183         (__variant_hash_call_base): Likewise.
3184         (hash<variant<_Types...>>): Derive from the new base,
3185         move the hash function into that base.
3186         * testsuite/20_util/optional/hash.cc: Add tests for is_callable.
3187         * testsuite/20_util/variant/hash.cc: Likewise.
3188
3189 2017-01-20  Joe Seymour  <joe.s@somniumtech.com>
3190
3191         * acinclude.m4 (GLIBCXX_CHECK_SIZE_T_MANGLING): Support uint20_t.
3192         * configure: Regenerate.
3193
3194 2017-01-20  Jonathan Wakely  <jwakely@redhat.com>
3195
3196         PR libstdc++/69240
3197         * include/bits/random.h (uniform_real_distribution::param_type)
3198         (normal_distribution::param_type, lognormal_distribution::param_type)
3199         (gamma_distribution::param_type, chi_squared_distribution::param_type)
3200         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
3201         (student_t_distribution::param_type)
3202         (bernoulli_distribution::param_type, binomial_distribution::param_type)
3203         (geometric_distribution::param_type)
3204         (negative_binomial_distribution::param_type)
3205         (poisson_distribution::param_type)
3206         (exponential_distribution::param_type)
3207         (weibull_distribution::param_type)
3208         (extreme_value_distribution::param_type)
3209         (discrete_distribution::param_type)
3210         (piecewise_constant_distribution::param_type)
3211         (piecewise_linear_distribution::param_type): Define operator!=.
3212         * include/bits/uniform_int_dist.h
3213         (uniform_int_distribution::param_type): Likewise.
3214         * include/ext/random (beta_distribution::param_type)
3215         (rice_distribution::param_type, nakagami_distribution::param_type)
3216         (pareto_distribution::param_type, k_distribution::param_type)
3217         (arcsine_distribution::param_type, hoyt_distribution::param_type)
3218         (triangular_distribution::param_type)
3219         (von_mises_distribution::param_type)
3220         (hypergeometric_distribution::param_type)
3221         (logistic_distribution::param_type)
3222         (uniform_on_sphere_distribution::param_type)
3223         (uniform_inside_sphere_distribution::param_type): Likewise.
3224         * testsuite/26_numerics/random/bernoulli_distribution/cons/parms.cc:
3225         Test construction with param_type.
3226         * testsuite/26_numerics/random/binomial_distribution/cons/parms.cc:
3227         Likewise.
3228         * testsuite/26_numerics/random/cauchy_distribution/cons/parms.cc:
3229         Likewise.
3230         * testsuite/26_numerics/random/chi_squared_distribution/cons/parms.cc:
3231         Likewise.
3232         * testsuite/26_numerics/random/exponential_distribution/cons/parms.cc:
3233         Likewise.
3234         * testsuite/26_numerics/random/extreme_value_distribution/cons/
3235         parms.cc: Likewise.
3236         * testsuite/26_numerics/random/fisher_f_distribution/cons/parms.cc:
3237         Likewise.
3238         * testsuite/26_numerics/random/gamma_distribution/cons/parms.cc:
3239         Likewise.
3240         * testsuite/26_numerics/random/geometric_distribution/cons/parms.cc:
3241         Likewise.
3242         * testsuite/26_numerics/random/lognormal_distribution/cons/parms.cc:
3243         Likewise.
3244         * testsuite/26_numerics/random/negative_binomial_distribution/cons/
3245         parms.cc: Likewise.
3246         * testsuite/26_numerics/random/normal_distribution/cons/parms.cc:
3247         Likewise.
3248         * testsuite/26_numerics/random/poisson_distribution/cons/parms.cc:
3249         Likewise.
3250         * testsuite/26_numerics/random/student_t_distribution/cons/parms.cc:
3251         Likewise.
3252         * testsuite/26_numerics/random/uniform_int_distribution/cons/parms.cc:
3253         Likewise.
3254         * testsuite/26_numerics/random/uniform_real_distribution/cons/parms.cc:
3255         Likewise.
3256         * testsuite/26_numerics/random/weibull_distribution/cons/parms.cc:
3257         Likewise.
3258         * testsuite/ext/random/arcsine_distribution/cons/parms.cc: Likewise.
3259         * testsuite/ext/random/beta_distribution/cons/parms.cc: Likewise.
3260         * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
3261         * testsuite/ext/random/hypergeometric_distribution/cons/parms.cc:
3262         Likewise.
3263         * testsuite/ext/random/k_distribution/cons/parms.cc: Likewise.
3264         * testsuite/ext/random/logistic_distribution/cons/parms.cc: Likewise.
3265         * testsuite/ext/random/nakagami_distribution/cons/parms.cc: Likewise.
3266         * testsuite/ext/random/normal_mv_distribution/cons/parms.cc: Likewise.
3267         * testsuite/ext/random/pareto_distribution/cons/parms.cc: Likewise.
3268         * testsuite/ext/random/rice_distribution/cons/parms.cc: Likewise.
3269         * testsuite/ext/random/triangular_distribution/cons/parms.cc:
3270         Likewise.
3271         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/
3272         parms.cc: Likewise.
3273         * testsuite/ext/random/von_mises_distribution/cons/parms.cc: Likewise.
3274
3275         PR libstdc++/72792
3276         * include/bits/alloc_traits.h (__allocator_traits_base::__diff_type)
3277         (__allocator_traits_base::__size_type): Remove.
3278         (allocator_traits::_Ptr): New class template to detect const and void
3279         pointer types without instantiating pointer_traits::rebind
3280         unnecessarily.
3281         (allocator_traits::_Diff): Likewise for detecting difference_type.
3282         (allocator_traits::_Size): New class template to detect size_type
3283         without instantiating make_unsigned unnecessarily.
3284         * include/bits/ptr_traits.h (pointer_traits::element_type): Use
3285         __detected_or_t instead of __detected_or_t_.
3286         * include/std/type_traits (__detected_or_t_): Remove.
3287         * testsuite/20_util/allocator_traits/members/pointers.cc: New test.
3288
3289         PR libstdc++/72792
3290         PR libstdc++/72793
3291         * include/bits/alloc_traits.h (__allocator_traits_base::__rebind):
3292         Replace with class template using void_t.
3293         (__alloc_rebind): Define in terms of
3294         __allocator_traits_base::__rebind.
3295         (allocator_traits): Remove unconditional static_assert for
3296         rebind_alloc.
3297         * include/bits/ptr_traits.h (__replace_first_arg): Remove type member.
3298         (pointer_traits::__rebind): Replace with class template using void_t.
3299         (pointer_traits::rebind): Define in terms of __rebind.
3300         (pointer_traits): Remove unconditional static_assert for rebind.
3301         * testsuite/20_util/allocator_traits/members/rebind_alloc.cc: New test.
3302         * testsuite/20_util/pointer_traits/rebind.cc: New test.
3303
3304         PR libstdc++/69321
3305         * include/experimental/any (__any_caster): Avoid instantiating
3306         manager function for types that can't be stored in any.
3307         * include/std/any (__any_caster): Likewise.
3308         * testsuite/20_util/any/misc/any_cast.cc: Test non-copyable type.
3309         * testsuite/experimental/any/misc/any_cast.cc: Likewise.
3310
3311         PR libstdc++/64903
3312         * include/bits/stl_algo.h (is_partitioned): Use increment instead of
3313         std::advance.
3314
3315 2017-01-19  Jonathan Wakely  <jwakely@redhat.com>
3316
3317         PR libstdc++/79156
3318         * include/bits/shared_ptr_base.h (__enable_shared_from_this_base):
3319         Fix return type.
3320         (__enable_shared_from_this): Declare __shared_ptr as a friend.
3321         * testsuite/ext/shared_ptr/1.cc: New test.
3322
3323         PR libstdc++/64903
3324         * include/bits/stl_algo.h (is_partitioned): Don't retest the partition
3325         point.
3326         * testsuite/25_algorithms/is_partitioned/2.cc: New test.
3327
3328         * doc/xml/manual/abi.xml: Fix typo.
3329         * doc/html/manual/abi.html: Likewise.
3330
3331         PR libstdc++/67085
3332         * include/bits/predefined_ops.h (_Iter_less_val, _Val_less_iter): Add
3333         converting constructors from _Iter_less_iter.
3334         (_Iter_comp_val, _Val_comp_iter): Add converting constructors from
3335         _Iter_comp_iter.
3336         (__iter_comp_val(_Iter_comp_iter<C>): Use converting constructor.
3337         (__val_comp_iter(_Iter_comp_iter<C>): Likewise.
3338         * include/bits/stl_heap.h (__is_heap_until, __push_heap, __pop_heap)
3339         (__make_heap, __sort_heap): Change _Compare parameters to references.
3340         (__is_heap, push_heap, __adjust_heap, __pop_heap, pop_heap)
3341         (__make_heap, make_heap, sort_heap, is_heap_until): Pass comparison
3342         functions as lvalues.
3343         (is_heap): Call __is_heap_until directly to avoid copying __comp.
3344         * testsuite/23_containers/priority_queue/67085.cc: Adjust test to
3345         count copies during construction with empty sequence.
3346
3347         PR libstdc++/67085
3348         * include/bits/stl_heap.h (__is_heap): Use _GLIBCXX_MOVE.
3349         (__make_heap, __sort_heap): Don't use _GLIBCXX_MOVE inside loops.
3350         * testsuite/23_containers/priority_queue/67085.cc: Adjust expected
3351         number of copies.
3352         * testsuite/25_algorithms/make_heap/movable.cc: New test.
3353
3354         PR libstdc++/67085
3355         * include/bits/stl_heap.h (push_heap, __adjust_heap, __pop_heap)
3356         (pop_heap, __make_heap, make_heap, __sort_heap, sort_heap): Use
3357         _GLIBCXX_MOVE when passing comparison function to other functions.
3358         (is_heap_until, is_heap): Use std::move when passing comparison
3359         function.
3360         * testsuite/23_containers/priority_queue/67085.cc: New test.
3361
3362         PR libstdc++/78905
3363         * doc/xml/manual/abi.xml (abi.versioning.history): Add markup to
3364         macro names, filenames, and literal values. Document _GLIBCXX_RELEASE.
3365         Document that the deprecated _GLIBCXX_VERSION macro was removed for
3366         the 4.0.0 release.
3367         * doc/html/*: Regenerate.
3368         * include/Makefile.am (_GLIBCXX_RELEASE): Set value.
3369         * include/Makefile.in: Regenerate.
3370         * include/bits/c++config (_GLIBCXX_RELEASE): Add #define.
3371         * testsuite/ext/profile/mutex_extensions_neg.cc: Use lineno of 0 in
3372         dg-error.
3373
3374 2017-01-18  Jonathan Wakely  <jwakely@redhat.com>
3375
3376         PR libstdc++/69301
3377         * include/std/atomic (atomic<T>::load, atomic<T>::exchange): Use
3378         aligned buffer instead of default-initialized variable.
3379         * testsuite/29_atomics/atomic/69301.cc: New test.
3380         * include/experimental/memory (observer_ptr::release): Use reserved
3381         name.
3382         * include/ext/pointer.h (_Pointer_adapter::operator++(int))
3383         (_Pointer_adapter::operator--(int)): Likewise.
3384
3385         PR libstdc++/68925
3386         * include/experimental/random (randint): Use temporary instead of
3387         thread_local static.
3388
3389 2017-01-17  Joshua Conner  <joshconner@google.com>
3390
3391         * crossconfig.m4: Add fuchsia OS.
3392         * configure: Regenerate.
3393
3394 2017-01-17  Jonathan Wakely  <jwakely@redhat.com>
3395
3396         PR libstdc++/69699
3397         * doc/xml/manual/abi.xml (abi.versioning.history): Explain why the
3398         __GLIBCXX__ macro is not useful. Remove redundant date information
3399         and link to the GCC release timeline.
3400         (abi.versioning.active): Move partial sentence into the previous
3401         paragraph.
3402         * doc/html/*: Regenerate.
3403
3404         PR libstdc++/79114
3405         * libsupc++/nested_exception.h (throw_with_nested): Use decay instead
3406         of remove_reference.
3407         * testsuite/18_support/nested_exception/79114.cc: New test.
3408
3409 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
3410
3411         PR other/79046
3412         * configure.ac: Add GCC_BASE_VER.
3413         * fragment.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
3414         get version from BASE-VER file.
3415         * po/Makefile.in: Regenerated.
3416         * libsupc++/Makefile.in: Regenerated.
3417         * testsuite/Makefile.in: Regenerated.
3418         * src/Makefile.in: Regenerated.
3419         * configure: Regenerated.
3420         * Makefile.in: Regenerated.
3421         * include/Makefile.in: Regenerated.
3422         * doc/Makefile.in: Regenerated.
3423         * python/Makefile.in: Regenerated.
3424         * src/c++11/Makefile.in: Regenerated.
3425         * src/c++98/Makefile.in: Regenerated.
3426         * src/filesystem/Makefile.in: Regenerated.
3427
3428 2017-01-16  Jonathan Wakely  <jwakely@redhat.com>
3429
3430         PR libstdc++/66145
3431         * src/c++11/functexcept.cc: Use new ABI for std::ios_base::failure
3432         exceptions.
3433         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Don't override ABI
3434         for test, so new ios::failure can be caught.
3435         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3436         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3437         exceptions_failbit.cc: Likewise.
3438         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3439         exceptions_failbit.cc: Likewise.
3440         * testsuite/27_io/basic_istream/extractors_other/char/
3441         exceptions_null.cc: Likewise.
3442         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3443         exceptions_null.cc: Likewise.
3444         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3445         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3446         * testsuite/27_io/basic_ostream/inserters_other/char/
3447         exceptions_null.cc: Likewise.
3448         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3449         exceptions_null.cc: Likewise.
3450         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3451
3452         PR libstdc++/78702
3453         * include/bits/locale_classes.h (locale::facet::__shim): Change from
3454         private to protected.
3455         * src/c++11/cxx11-shim_facets.cc (__shim_accessor): Define helper to
3456         make locale::facet::__shim accessible.
3457
3458 2017-01-16  Ville Voutilainen  <ville.voutilainen@gmail.com>
3459
3460         PR libstdc++/78389
3461         * include/bits/list.tcc (merge(list&&)): Fix backwards size adjustments.
3462         (merge(list&&, _StrictWeakOrdering)): Likewise.
3463         * testsuite/23_containers/list/operations/78389.cc: Add
3464         better test for the sizes.
3465
3466 2017-01-14  Jonathan Wakely  <jwakely@redhat.com>
3467
3468         * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
3469         Skip test when -D_GLIBCXX_PROFILE mode is included in options.
3470         * testsuite/23_containers/map/modifiers/extract.cc: Likewise.
3471         * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
3472         Likewise.
3473         * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
3474         * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
3475         * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
3476         * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
3477         * testsuite/23_containers/unordered_map/modifiers/extract.cc:
3478         Likewise.
3479         * testsuite/23_containers/unordered_multimap/modifiers/extract.cc::
3480         Likewise.
3481         * testsuite/23_containers/unordered_multiset/modifiers/extract.cc::
3482         Likewise.
3483         * testsuite/23_containers/unordered_set/modifiers/extract.cc:
3484         Likewise.
3485         * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
3486         Likewise.
3487         * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
3488         * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
3489         * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
3490         * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
3491         * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
3492         * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3493         * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3494         * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
3495         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
3496         * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3497         * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3498         * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3499         * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3500
3501 2017-01-13  Jonathan Wakely  <jwakely@redhat.com>
3502
3503         PR libstdc++/65411
3504         * config/io/basic_file_stdio.cc (__basic_file<char>::close()): Don't
3505         retry fclose on EINTR.
3506
3507         * include/profile/base.h: Remove unused header that leads to header
3508         cycle in C++17 mode.
3509
3510         PR libstdc++/79075
3511         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
3512         Make _If_sv private.
3513         [!_GLIBCXX_USE_CXX11_ABI] (basic_string): Add member functions taking
3514         basic_string_view arguments.
3515
3516         PR libstdc++/79075
3517         * testsuite/lib/libstdc++.exp (check_v3_target_filesystem_ts): Remove
3518         redundant option from cxxflags.
3519         (check_effective_target_cxx11-abi): Define.
3520         * testsuite/21_strings/basic_string/allocator/71964.cc: Use cxx11-abi
3521         effective target.
3522         * testsuite/21_strings/basic_string/allocator/char/copy.cc: Likewise.
3523         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3524         Likewise.
3525         * testsuite/21_strings/basic_string/allocator/char/minimal.cc:
3526         Likewise.
3527         * testsuite/21_strings/basic_string/allocator/char/move.cc: Likewise.
3528         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
3529         Likewise.
3530         * testsuite/21_strings/basic_string/allocator/char/noexcept.cc:
3531         Likewise.
3532         * testsuite/21_strings/basic_string/allocator/char/swap.cc: Likewise.
3533         * testsuite/21_strings/basic_string/allocator/wchar_t/copy.cc:
3534         Likewise.
3535         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3536         Likewise.
3537         * testsuite/21_strings/basic_string/allocator/wchar_t/minimal.cc:
3538         Likewise.
3539         * testsuite/21_strings/basic_string/allocator/wchar_t/move.cc:
3540         Likewise.
3541         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
3542         Likewise.
3543         * testsuite/21_strings/basic_string/allocator/wchar_t/noexcept.cc:
3544         Likewise.
3545         * testsuite/21_strings/basic_string/allocator/wchar_t/swap.cc:
3546         Likewise.
3547         * testsuite/23_containers/list/61347.cc: Likewise.
3548         * testsuite/27_io/basic_fstream/cons/base.cc: Likewise.
3549         * testsuite/27_io/ios_base/failure/cxx11.cc: Likewise.
3550
3551 2017-01-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3552
3553         PR libstdc++/78389
3554         * include/bits/list.tcc (merge(list&&)):
3555         Adjust list sizes if the comparator throws.
3556         (merge(list&&, _StrictWeakOrdering)): Likewise.
3557         (sort()): Splice elements back from the scratch buffers
3558         if the comparator throws.
3559         (sort(_StrictWeakOrdering)): Likewise.
3560         * testsuite/23_containers/list/operations/78389.cc: New.
3561
3562 2017-01-13  Jonathan Wakely  <jwakely@redhat.com>
3563
3564         * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Mark
3565         XFAIL for C++17 until node reinsertion supports fancy pointers.
3566
3567         PR libstdc++/78361
3568         * testsuite/20_util/add_pointer/value.cc: Test forming function
3569         pointers.
3570
3571 2017-01-13  Michael Brune  <lucdanton@free.fr>
3572
3573         PR libstdc++/78361
3574         * include/std/type_traits (__is_referenceable): Handle noexcept
3575         function types.
3576
3577 2017-01-12  Jonathan Wakely  <jwakely@redhat.com>
3578
3579         PR libstdc++/77528
3580         * include/bits/stl_queue.h (queue, priority_queue): Remove default
3581         member-initializers and define default constructors as templates with
3582         constraints.
3583         * include/bits/stl_stack.h (stack): Likewise.
3584         * testsuite/23_containers/priority_queue/requirements/constructible.cc:
3585         New.
3586         * testsuite/23_containers/priority_queue/requirements/
3587         explicit_instantiation/1.cc: Test more instantiations.
3588         * testsuite/23_containers/priority_queue/requirements/
3589         explicit_instantiation/1_c++98.cc: Likewise.
3590         * testsuite/23_containers/queue/requirements/constructible.cc: New.
3591         * testsuite/23_containers/stack/requirements/constructible.cc: New.
3592
3593         PR libstdc++/66284
3594         * doc/xml/manual/intro.xml: Document LWG 2781 change.
3595         * doc/html/*: Regenerate.
3596         * include/std/functional (_Function_base::_Ref_manager): Remove.
3597         (_Function_handler): Remove partial specializations for
3598         reference_wrapper.
3599         (function::target): Remove special case for const qualification.
3600         * testsuite/20_util/function/6.cc: Adjust tests for target type.
3601         * testsuite/20_util/function/7.cc: Likewise.
3602         * testsuite/20_util/function/8.cc: Likewise.
3603
3604 2017-01-11  Jonathan Wakely  <jwakely@redhat.com>
3605
3606         PR libstdc++/78134
3607         * include/bits/stl_map.h (map::lower_bound, map::upper_bound)
3608         (map::equal_range): Fix return type of heterogeneous overloads.
3609         * include/bits/stl_multimap.h (multimap::lower_bound)
3610         (multimap::upper_bound, multimap::equal_range): Likewise.
3611         * include/bits/stl_multiset.h (multiset::lower_bound)
3612         (multiset::upper_bound, multiset::equal_range): Likewise.
3613         * include/bits/stl_set.h (set::lower_bound, set::upper_bound)
3614         (set::equal_range): Likewise.
3615         * testsuite/23_containers/map/operations/2.cc
3616         * testsuite/23_containers/multimap/operations/2.cc
3617         * testsuite/23_containers/multiset/operations/2.cc
3618         * testsuite/23_containers/set/operations/2.cc
3619
3620         PR libstdc++/78273
3621         * include/bits/stl_map.h (map::count<_Kt>(const _Kt&)): Don't assume
3622         the heterogeneous comparison can only find one match.
3623         * include/bits/stl_set.h (set::count<_Kt>(const _Kt&)): Likewise.
3624         * testsuite/23_containers/map/operations/2.cc: Test count works with
3625         comparison function that just partitions rather than sorting.
3626         * testsuite/23_containers/set/operations/2.cc: Likewise.
3627
3628 2017-01-11  Ville Voutilainen  <ville.voutilainen@gmail.com>
3629
3630         Reduce the size of variant, it doesn't need an index of
3631         type size_t internally.
3632         * include/std/variant (parse_numbers.h): New include.
3633         (__select_index): New.
3634         (_Variant_storage<false, _Types...>::_M_reset_impl): Use
3635         _index_type for comparison with variant_npos.
3636         (_Variant_storage<false, _Types...>::__index_type): New.
3637         (_Variant_storage<false, _Types...>::_M_index): Change the
3638         type from size_t to __index_type.
3639         (_Variant_storage<true, _Types...>::__index_type): New.
3640         (_Variant_storage<true, _Types...>::_M_index): Change the
3641         type from size_t to __index_type.
3642         (_Variant_base::_M_valid): Use _Storage::__index_type
3643         for comparison with variant_npos.
3644         (variant::index): Use _Base::_Storage::__index_type
3645         for comparison with variant_npos.
3646         * testsuite/20_util/variant/index_type.cc: New.
3647
3648 2017-01-10  Jonathan Wakely  <jwakely@redhat.com>
3649
3650         * testsuite/18_support/exception_ptr/60612-unexpected.cc: Adjust
3651         effective target selector to prevent running in C++17 mode.
3652
3653         PR libstdc++/77528
3654         * include/bits/stl_queue.h (queue::c): Add default member initializer.
3655         (queue::queue()): Add constructor and define as defaulted.
3656         (queue::queue(_Sequence&&)): Remove default argument.
3657         (priority_queue::c, priority_queue::comp): Add default member
3658         initializers.
3659         (priority_queue::priority_queue()): Add constructor and define as
3660         defaulted.
3661         (priority_queue::priority_queue(const _Compare&, _Sequence&&)):
3662         Remove default argument for first parameter.
3663         * include/bits/stl_stack.h (stack::c): Add default member initializer.
3664         (stack::stack()): Add constructor and define as defaulted.
3665         (stack::stack(const _Sequence&)): Remove default argument.
3666         * testsuite/23_containers/priority_queue/requirements/
3667         explicit_instantiation/1.cc: Test explicit instantiation with
3668         non-DefaultConstructible sequence.
3669         * testsuite/23_containers/priority_queue/77528.cc: New test.
3670         * testsuite/23_containers/priority_queue/requirements/
3671         explicit_instantiation/1_c++0x.cc: Replace with 1_c++98.cc.
3672         * testsuite/23_containers/queue/77528.cc: New test.
3673         * testsuite/23_containers/queue/requirements/explicit_instantiation/
3674         1.cc: Test explicit instantiation with non-DefaultConstructible
3675         sequence.
3676         * testsuite/23_containers/queue/requirements/explicit_instantiation/
3677         1_c++0x.cc: Replace with 1_c++98.cc.
3678         * testsuite/23_containers/stack/77528.cc: New test.
3679         * testsuite/23_containers/stack/requirements/explicit_instantiation/
3680         1.cc: Test explicit instantiation with non-DefaultConstructible
3681         sequence.
3682         * testsuite/23_containers/stack/requirements/explicit_instantiation/
3683         1_c++0x.cc: Replace with 1_c++98.cc.
3684
3685 2017-01-10  Felipe Magno de Almeida <felipe@expertisesolutions.com.br>
3686
3687         * include/bits/locale_facets_nonio.tcc
3688         (time_get::_M_extract_via_format): Avoid compilation errors with
3689         non-standard struct tm.
3690
3691 2017-01-10  François Dumont  <fdumont@gcc.gnu.org>
3692             Jonathan Wakely  <jwakely@redhat.com>
3693
3694         * python/libstdcxx/v6/printers.py (_versioned_namespace): Define.
3695         (is_specialization, strip_versioned_namespace): New helpers functions
3696         to work with symbols in the versioned namespace.
3697         (Printer.add_version): Add second name using versioned namespace.
3698         (add_one_template_type_printer, add_one_type_printer): Add second
3699         type printers using versioned namespace.
3700         (register_type_printers): Add template type printer for basic_string.
3701         (build_libstdcxx_dictionary): Remove dead code.
3702         * python/libstdcxx/v6/xmethods.py: Make all matchers look for
3703         versioned namespace.
3704         * testsuite/libstdc++-prettyprinters/48362.cc: Adjust expected
3705         results.
3706         * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3707
3708 2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
3709
3710         PR libstdc++/79017
3711         * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Check for llrint and llround
3712         functions separately on darwin and if they're missing define
3713         _GLIBCXX_NO_C99_ROUNDING_FUNCS.
3714         * config.h.in: Regenerate.
3715         * configure: Regenerate.
3716         * include/c_global/cmath [_GLIBCXX_NO_C99_ROUNDING_FUNCS] (llrint)
3717         (llrintf, llrintl, llround, llroundf, llroundl): Do not define.
3718
3719         * testsuite/30_threads/condition_variable/members/3.cc: Use new macro
3720         to detect correct thread_local destructors.
3721         * testsuite/util/testsuite_hooks.h (CORRECT_THREAD_LOCAL_DTORS):
3722         Define.
3723
3724 2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
3725             Aditya Kumar  <hiraditya@msn.com>
3726
3727         PR libstdc++/66414
3728         * include/bits/basic_string.tcc
3729         (basic_string::find(const CharT*, size_type, size_type)): Optimize.
3730
3731 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
3732
3733         * testsuite/21_strings/basic_string/operations/find/char/6.cc: New.
3734         * testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc: New.
3735
3736         * testsuite/util/performance/priority_queue/mem_usage/pop_test.hpp:
3737         Include <cassert> header.
3738
3739         PR libstdc++/78968
3740         * crossconfig.m4: Check for __cxa_thread_atexit on *-*-freebsd*.
3741         * configure: Regenerate.
3742
3743 2017-01-06  Barrett Adair  <barrettellisadair@gmail.com>
3744             Jonathan Wakely  <jwakely@redhat.com>
3745
3746         * include/std/variant (variant, swap): Replace __and_ usage with fold
3747         expressions.
3748
3749 2017-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3750
3751         PR go/78978
3752         * acinclude.m4 (GLIBCXX_CHECK_ASSEMBLER_HWCAP): Remove.
3753         * configure.ac: Call GCC_CHECK_ASSEMBLER_HWCAP instead of
3754         GLIBCXX_CHECK_ASSEMBLER_HWCAP.
3755         * fragment.am (CONFIG_CXXFLAGS): Use HWCAP_CFLAGS instead of
3756         HWCAP_FLAGS.
3757         * aclocal.m4: Regenerate.
3758         * configure: Regenerate.
3759         * Makefile.in, doc/Makefile.in, include/Makefile.in,
3760         libsupc++/Makefile.in, po/Makefile.in, python/Makefile.in,
3761         src/Makefile.in, src/c++11/Makefile.in, src/c++98/Makefile.in,
3762         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
3763
3764 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
3765
3766         * include/bits/c++config (_GLIBCXX_ASSERTIONS): Avoid redefinition.
3767
3768         PR libstdc++/78991
3769         * include/bits/predefined_ops.h (_Iter_comp_iter, _Iter_comp_val)
3770         (_Val_comp_iter, _Iter_equals_val, _Iter_pred, _Iter_comp_to_val)
3771         (_Iter_comp_to_iter, _Iter_negate): Make constructors explicit and
3772         move function objects.
3773         (__iter_comp_iter, __iter_comp_val, __val_comp_iter, __pred_iter)
3774         (__iter_comp_val, __iter_comp_iter, __negate): Move function objects.
3775         * testsuite/25_algorithms/sort/78991.cc: New test.
3776
3777 2017-01-05  Jonathan Wakely  <jwakely@redhat.com>
3778
3779         * include/bits/std_function.h (function::_Signature_type): Remove.
3780         (function::function(_Functor)): Adjust.
3781
3782 2017-01-05  Tim Shen  <timshen@google.com>
3783
3784         PR libstdc++/78996
3785         * include/std/variant (__gen_vtable_impl): rename __unused to
3786         __dimensions to avoid naming conflict.
3787
3788 2017-01-04  Jonathan Wakely  <jwakely@redhat.com>
3789
3790         PR libstdc++/78968
3791         * config.h.in: Regenerate.
3792         * configure: Likewise.
3793         * configure.ac: Check for __cxa_thread_atexit.
3794         * libsupc++/atexit_thread.cc [_GLIBCXX_HAVE___CXA_THREAD_ATEXIT]:
3795         Don't define __cxa_thread_atexit if libc provides it.
3796
3797 2017-01-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
3798
3799         Implement 2801, Default-constructibility of unique_ptr.
3800         * include/bits/unique_ptr.h (__uniq_ptr_impl::_DeleterConstraint): New.
3801         (unique_ptr::_DeleterConstraint): Likewise.
3802         (unique_ptr()): Constrain.
3803         (unique_ptr(pointer)): Likewise.
3804         (unique_ptr(nullptr_t)): Likewise.
3805         (unique_ptr<_Tp[], _Dp>::_DeleterConstraint): New.
3806         (unique_ptr<_Tp[], _Dp>::unique_ptr()): Constrain.
3807         (unique_ptr<_Tp[], _Dp>::unique_ptr(_Up)): Likewise.
3808         (unique_ptr<_Tp[], _Dp>::unique_ptr(nullptr_t)): Likewise.
3809         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust.
3810         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
3811         * testsuite/20_util/unique_ptr/cons/default.cc: New.
3812         * testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc: Adjust.
3813
3814 2017-01-04  Pauli Nieminen  <suokkos@gmail.com>
3815             Jonathan Wakely  <jwakely@redhat.com>
3816
3817         PR libstdc++/64735
3818         * acinclude.m4 (GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER): Define.
3819         * config.h.in: Regenerate.
3820         * config/abi/pre/gnu.ver [HAVE_EXCEPTION_PTR_SINCE_GCC46]
3821         (GLIBCXX_3.4.15, GLIBCXX_3.4.21, CXXABI_1.3.3, CXXABI_1.3.5): Make
3822         exports for exception_ptr, nested_exception, and future conditional.
3823         [HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.23, CXXABI_1.3.11): Add
3824         exports for exception_ptr, nested_exception, and future conditional.
3825         * configure: Regenerate.
3826         * configure.ac: Use GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER.
3827         * include/std/future: Remove check for ATOMIC_INT_LOCK_FREE
3828         * libsupc++/eh_atomics.h: New file for internal use only.
3829         (__eh_atomic_inc, __eh_atomic_dec): New.
3830         * libsupc++/eh_ptr.cc (exception_ptr::_M_addref)
3831         (exception_ptr::_M_release) (__gxx_dependent_exception_cleanup)
3832         (rethrow_exception): Use eh_atomics.h reference counting helpers.
3833         * libsupc++/eh_throw.cc (__gxx_exception_cleanup): Likewise.
3834         * libsupc++/eh_tm.cc (free_any_cxa_exception): Likewise.
3835         * libsupc++/exception: Remove check for ATOMIC_INT_LOCK_FREE.
3836         * libsupc++/exception_ptr.h: Likewise.
3837         * libsupc++/guard.cc: Include header for ATOMIC_INT_LOCK_FREE macro.
3838         * libsupc++/nested_exception.cc: Remove check for
3839         ATOMIC_INT_LOCK_FREE.
3840         * libsupc++/nested_exception.h: Likewise.
3841         * src/c++11/future.cc: Likewise.
3842         * testsuite/18_support/exception_ptr/*: Remove atomic builtins checks.
3843         * testsuite/18_support/nested_exception/*: Likewise.
3844         * testsuite/30_threads/async/*: Likewise.
3845         * testsuite/30_threads/future/*: Likewise.
3846         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
3847         * testsuite/30_threads/packaged_task/*: Likewise.
3848         * testsuite/30_threads/promise/*: Likewise.
3849         * testsuite/30_threads/shared_future/*: Likewise.
3850
3851 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
3852
3853         * doc/xml/manual/documentation_hacking.xml: sourceforge.net now
3854         defaults to https; adjust reference.
3855
3856 2017-01-03  Jonathan Wakely  <jwakely@redhat.com>
3857
3858         PR libstdc++/78956
3859         * include/std/thread (thread(const thread&&)): Add deleted
3860         constructor.
3861         * testsuite/30_threads/thread/cons/lwg2097.cc: New test.
3862
3863         * doc/xml/manual/spine.xml: Update copyright years.
3864         * doc/xml/manual/build_hacking.xml: Fix spelling of libbuilddir.
3865         * doc/xml/manual/test.xml: Likewise.
3866         * doc/html/*: Regenerate.
3867
3868 2017-01-01  Gerald Pfeifer  <gerald@pfeifer.com>
3869
3870         * doc/xml/faq.xml: Update address of C++ ABI link.
3871         * doc/xml/manual/abi.xml: Ditto.
3872
3873 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
3874
3875         Update copyright years.
3876 \f
3877 Copyright (C) 2017 Free Software Foundation, Inc.
3878
3879 Copying and distribution of this file, with or without modification,
3880 are permitted in any medium without royalty provided the copyright
3881 notice and this notice are preserved.