libstdc++-v3/ChangeLog

   1 2017-11-10  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         PR libstdc++/82917
   4         * include/std/fstream (basic_ifstream::open, basic_ofstream::open)
   5         (basic_fstream::open): Fix missing return.
   6
   7 2017-11-07  Jonathan Wakely  <jwakely@redhat.com>
   8
   9         * src/filesystem/ops-common.h (make_file_type) [S_ISSOCK]: Only use
  10         S_ISSOCK when defined.
  11
  12 2017-11-06  François Dumont  <fdumont@gcc.gnu.org>
  13
  14         * testsuite/libstdc++-prettyprinters/tr1.cc:  Compile with -O0.
  15
  16 2017-11-06  Martin Liska  <mliska@suse.cz>
  17
  18         * testsuite/27_io/basic_fstream/cons/char/path.cc (main):
  19           Return a value for functions with non-void return type,
  20           or change type to void, or add -Wno-return-type for test.
  21         * testsuite/27_io/basic_ifstream/cons/char/path.cc (main):
  22         Likewise.
  23         * testsuite/27_io/basic_ofstream/open/char/path.cc (main):
  24         Likewise.
  25
  26 2017-11-06  Paolo Carlini  <paolo.carlini@oracle.com>
  27
  28         * testsuite/20_util/optional/cons/deduction.cc: Avoid -Wreturn-type
  29         warnings.
  30         * testsuite/20_util/pair/cons/deduction.cc: Likewise.
  31         * testsuite/20_util/pair/traits.cc: Likewise.
  32         * testsuite/20_util/tuple/cons/deduction.cc: Likewise.
  33         * testsuite/20_util/variant/compile.cc: Likewise.
  34         * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
  35         * testsuite/23_containers/unordered_map/modifiers/try_emplace.cc:
  36         Likewise.
  37
  38 2017-11-05  Gerald Pfeifer  <gerald@pfeifer.com>
  39
  40         * doc/xml/manual/abi.xml: Move docs.oracle.com references to https.
  41
  42 2017-11-03  Jonathan Wakely  <jwakely@redhat.com>
  43
  44         * include/std/type_traits (endian): Define new enumeration type.
  45         * testsuite/20_util/endian/1.cc: New test.
  46
  47         * include/bits/node_handle.h (_Node_insert_return::get): Remove, as
  48         per P0508R0.
  49
  50 2017-11-01  François Dumont  <fdumont@gcc.gnu.org>
  51
  52         * python/libstdcxx/v6/printers.py (StdExpAnyPrinter.__init__): Strip
  53         typename versioned namespace before the substitution.
  54         (StdExpOptionalPrinter.__init__): Likewise.
  55         (StdVariantPrinter.__init__): Likewise.
  56         (Printer.add_version): Inject versioned namespace after std or
  57         __gnu_cxx.
  58         (build_libstdcxx_dictionary): Adapt add_version usages, always pass
  59         namespace first and symbol second.
  60
  61 2017-11-01  Jonathan Wakely  <jwakely@redhat.com>
  62
  63         PR libstdc++/82777
  64         * src/filesystem/std-path.cc (path::lexically_normal): Remove dot-dot
  65         elements correctly.
  66         * testsuite/27_io/filesystem/path/generation/normal.cc: Add testcase.
  67         * testsuite/util/testsuite_fs.h (compare_paths): Improve exception
  68         text.
  69
  70 2017-10-30  Jonathan Wakely  <jwakely@redhat.com>
  71
  72         * include/Makefile.am (stamp-bits-sup): Do not create broken symlink
  73         to stamp-bits.
  74         * include/Makefile.in: Regenerate.
  75
  76         * include/std/fstream (basic_ifstream, basic_ofstream, basic_fstream):
  77         Remove outdated comments about calling c_str() to create a file stream
  78         from a std::string.
  79         (basic_ofstream::basic_ofstream, basic_ofstream::open): Remove
  80         redundant ios_mode::trunc bits from default arguments and comments.
  81
  82         * doc/xml/faq.xml: Adjust "What is libstdc++?" answer slightly.
  83
  84         * include/bits/hashtable_policy.h: Include <tuple>.
  85         * include/std/unordered_map: Only include <bits/stl_pair.h> instead
  86         of <utility> and <tuple>.
  87         * include/std/unordered_set: Likewise.
  88
  89 2017-10-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
  90
  91         Implement LWG 2485
  92         * include/debug/array (get(const array<_Tp, _Nm>&&)): New.
  93         * include/std/array (get(const array<_Tp, _Nm>&&)): Likewise.
  94         * include/std/tuple (get(const tuple<_Elements...>&&)): Likewise.
  95         (get(const tuple<_Types...>&&)): Likewise.
  96         * include/std/utility
  97         (__pair_get::__const_move_get(const std::pair<_Tp1, _Tp2>&&)):
  98         Likewise.
  99         (get(const std::pair<_Tp1, _Tp2>&&)): Likewise.
 100         (get(const pair<_Tp, _Up>&&)): Likewise.
 101         (get(const pair<_Up, _Tp>&&)): Likewise.
 102         * testsuite/20_util/pair/astuple/get.cc: Add tests for
 103         new overloads.
 104         * testsuite/20_util/pair/astuple/get_by_type.cc: Likewise.
 105         * testsuite/20_util/tuple/element_access/get2.cc: Likewise.
 106         * testsuite/20_util/tuple/element_access/get2_by_type.cc: Likewise.
 107         * testsuite/23_containers/array/tuple_interface/get.cc: Likewise.
 108         * testsuite/23_containers/array/tuple_interface/tuple_element_debug_neg.cc:
 109         Adjust.
 110         * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
 111         Likewise.
 112
 113 2017-10-27  Jonathan Wakely  <jwakely@redhat.com>
 114
 115         * include/bits/node_handle.h (_Node_insert_return::get): Avoid
 116         use of std::tie and std::get.
 117
 118         * include/Makefile.am: Put headers in alphabetical order.
 119         * include/Makefile.in: Regenerate.
 120
 121         * include/bits/fs_dir.h (directory_iterator): Remove noexcept from
 122         constructors and increment member (LWG 3013).
 123         (recursive_directory_iterator): Likewise.
 124         * include/bits/fs_ops.h (copy, copy_file, create_directories)
 125         (is_empty, remove_all): Remove noexcept (LWG 3013 and LWG 3014).
 126         * src/filesystem/std-dir.cc (directory_iterator::increment)
 127         (recursive_directory_iterator::increment): Remove noexcept.
 128         * src/filesystem/std-ops.cc (copy, copy_file, create_directories)
 129         (is_empty, remove_all): Remove noexcept
 130
 131         * include/bits/fs_dir.h (file_status): Make default constructor
 132         non-explicit (LWG 2787).
 133         * testsuite/27_io/filesystem/file_status/1.cc: New test.
 134         * testsuite/experimental/filesystem/file_status/1.cc: New test.
 135
 136         * include/std/fstream (basic_filebuf::_If_path): New SFINAE helper.
 137         (basic_filebuf::open<Path>(const Path&, const ios_base::openmode&))
 138         (basic_ifstream<Path>(const Path&, const ios_base::openmode&))
 139         (basic_ifstream::open<Path>(const Path&, const ios_base::openmode&))
 140         (basic_ofstream<Path>(const Path&, const ios_base::openmode&))
 141         (basic_ofstream::open<Path>(const Path&, const ios_base::openmode&))
 142         (basic_fstream<Path>(const Path&, const ios_base::openmode&))
 143         (basic_fstream::open<Path>(const Path&, const ios_base::openmode&)):
 144         New constructors and member functions.
 145         * testsuite/27_io/basic_filebuf/open/char/path.cc: New test.
 146         * testsuite/27_io/basic_fstream/cons/char/path.cc: New test.
 147         * testsuite/27_io/basic_fstream/open/char/path.cc: New test.
 148         * testsuite/27_io/basic_ifstream/cons/char/path.cc: New test.
 149         * testsuite/27_io/basic_ifstream/open/char/path.cc: New test.
 150         * testsuite/27_io/basic_ofstream/cons/char/path.cc: New test.
 151         * testsuite/27_io/basic_ofstream/open/char/path.cc: New test.
 152
 153         * include/bits/fs_path.h (path::format): Define new enumeration type.
 154         (path(string_type&&), path<Source>(const Source&))
 155         (path<InputIterator>(InputIterator, InputIterator))
 156         (path<Source>(const Source&, const locale&))
 157         (path<InputIterator>(InputIterator, InputIterator, const locale&)):
 158         Add format parameter.
 159         * testsuite/27_io/filesystem/path/construct/format.cc: New test.
 160
 161         * include/bits/stl_algo.h (__find_if_not_n, generate_n): Cast to void
 162         to ensure overloaded comma not used.
 163         * include/bits/stl_algobase.h (__fill_n_a, equal): Likewise.
 164         * include/bits/stl_uninitialized.h (__uninitialized_fill_n)
 165         (__uninitialized_fill_n_a, __uninitialized_default_n_1)
 166         (__uninitialized_default_n_a, __uninitialized_copy_n)
 167         (__uninitialized_copy_n_pair): Likewise
 168         * testsuite/20_util/specialized_algorithms/memory_management_tools/1.cc:
 169         Use test iterator wrappers with overloaded comma operator.
 170         * testsuite/25_algorithms/fill_n/1.cc: Likewise.
 171         * testsuite/25_algorithms/generate_n/1.cc: New test.
 172         * testsuite/25_algorithms/stable_partition/1.cc: New test.
 173         * testsuite/util/testsuite_iterators.h (operator,): Add deleted
 174         non-member comma operator with iterator wrappers as right operand.
 175
 176 2017-10-26  Ville Voutilainen  <ville.voutilainen@gmail.com>
 177
 178         Deduction guides for associative containers, debug mode deduction
 179         guide fixes.
 180         * include/bits/stl_iterator.h (__iter_key_t)
 181         (__iter_val_t, __iter_to_alloc_t): New.
 182         * include/bits/stl_map.h: Add deduction guides.
 183         * include/bits/stl_multimap.h: Likewise.
 184         * include/bits/stl_multiset.h: Likewise.
 185         * include/bits/stl_set.h: Likewise.
 186         * include/bits/unordered_map.h: Likewise.
 187         * include/bits/unordered_set.h: Likewise.
 188         * include/debug/deque: Likewise.
 189         * include/debug/forward_list: Likewise.
 190         * include/debug/list: Likewise.
 191         * include/debug/map.h: Likewise.
 192         * include/debug/multimap.h: Likewise.
 193         * include/debug/multiset.h: Likewise.
 194         * include/debug/set.h: Likewise.
 195         * include/debug/unordered_map: Likewise.
 196         * include/debug/unordered_set: Likewise.
 197         * include/debug/vector: Likewise.
 198         * testsuite/23_containers/map/cons/deduction.cc: New.
 199         * testsuite/23_containers/multimap/cons/deduction.cc: Likewise.
 200         * testsuite/23_containers/multiset/cons/deduction.cc: Likewise.
 201         * testsuite/23_containers/set/cons/deduction.cc: Likewise.
 202         * testsuite/23_containers/unordered_map/cons/deduction.cc: Likewise.
 203         * testsuite/23_containers/unordered_multimap/cons/deduction.cc:
 204         Likewise.
 205         * testsuite/23_containers/unordered_multiset/cons/deduction.cc:
 206         Likewise.
 207         * testsuite/23_containers/unordered_set/cons/deduction.cc: Likewise.
 208
 209 2017-10-25  Jonathan Wakely  <jwakely@redhat.com>
 210
 211         * doc/xml/manual/status_cxx2017.xml: Update C++17 status, and
 212         information on feature-test macros.
 213         * doc/html/*: Regenerate.
 214
 215         PR libstdc++/82716
 216         * include/std/array (tuple_size, tuple_element): Change class-key
 217         from class to struct, to avoid annoying Clang warnings.
 218
 219         PR libstdc++/79283
 220         * src/filesystem/ops.cc (read_symlink): Handle st_size being zero.
 221         * src/filesystem/std-ops.cc (read_symlink): Likewise.
 222         (do_copy_file) [!NEED_DO_COPY_FILE]: Avoid multiple definitions.
 223
 224         * src/filesystem/std-path.cc (path::lexically_normal): Add missing
 225         step to algorithm, for removing dot-dot elements after root-directory.
 226         * testsuite/27_io/filesystem/operations/canonical.cc: Use
 227         compare_paths for more exhaustive checks.
 228         * testsuite/27_io/filesystem/operations/proximate.cc: Likewise.
 229         * testsuite/27_io/filesystem/path/append/path.cc: Likewise.
 230         * testsuite/27_io/filesystem/path/concat/path.cc: Likewise.
 231         * testsuite/27_io/filesystem/path/concat/strings.cc: Fix comment.
 232         * testsuite/27_io/filesystem/path/construct/locale.cc: Likewise.
 233         * testsuite/27_io/filesystem/path/decompose/root_directory.cc:
 234         Likewise.
 235         * testsuite/27_io/filesystem/path/generation/normal.cc: Use
 236         compare_paths for more exhaustive checks. Add extra testcases.
 237         * testsuite/27_io/filesystem/path/generation/proximate.cc: Use
 238         compare_paths for more exhaustive checks.
 239         * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
 240         * testsuite/27_io/filesystem/path/generic/generic_string.cc: Remove
 241         unused header.
 242         * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc: Fix
 243         comment.
 244         * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc: Use
 245         compare_paths for more exhaustive checks.
 246         * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc:
 247         Likewise.
 248         * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc:
 249         Likewise.
 250         * testsuite/util/testsuite_fs.h (compare_paths): Also compare native
 251         strings.
 252
 253         PR libstdc++/82706
 254         * testsuite/27_io/filesystem/operations/permissions.cc: Fix test.
 255
 256 2017-10-24  François Dumont  <fdumont@gcc.gnu.org>
 257
 258         * testsuite/lib/libstdc++.exp (check_v3_target_normal_mode): Add
 259         c++config.h include.
 260         (check_v3_target_normal_namespace): New.
 261         * testsuite/lib/dg-options.exp (dg-require-normal-namespace): New.
 262         * testsuite/18_support/headers/limits/synopsis.cc: Add latter.
 263         * testsuite/20_util/from_chars/requirements.cc: Likewise.
 264         * testsuite/20_util/headers/functional/synopsis.cc: Likewise.
 265         * testsuite/20_util/headers/memory/synopsis.cc: Likewise.
 266         * testsuite/20_util/headers/utility/synopsis.cc: Likewise.
 267         * testsuite/20_util/to_chars/requirements.cc: Likewise.
 268         * testsuite/21_strings/headers/string/synopsis.cc: Likewise.
 269         * testsuite/22_locale/headers/locale/synopsis.cc: Likewise.
 270         * testsuite/23_containers/headers/bitset/synopsis.cc: Likewise.
 271         * testsuite/23_containers/headers/deque/synopsis.cc: Likewise.
 272         * testsuite/23_containers/headers/forward_list/synopsis.cc: Likewise.
 273         * testsuite/23_containers/headers/list/synopsis.cc: Likewise.
 274         * testsuite/23_containers/headers/map/synopsis.cc: Likewise.
 275         * testsuite/23_containers/headers/queue/synopsis.cc: Likewise.
 276         * testsuite/23_containers/headers/set/synopsis.cc: Likewise.
 277         * testsuite/23_containers/headers/stack/synopsis.cc: Likewise.
 278         * testsuite/23_containers/headers/vector/synopsis.cc: Likewise.
 279         * testsuite/23_containers/map/modifiers/erase/abi_tag.cc: Likewise.
 280         * testsuite/23_containers/multimap/modifiers/erase/abi_tag.cc: Likewise.
 281         * testsuite/23_containers/multiset/modifiers/erase/abi_tag.cc: Likewise.
 282         * testsuite/23_containers/set/modifiers/erase/abi_tag.cc: Likewise.
 283         * testsuite/24_iterators/headers/iterator/synopsis.cc: Likewise.
 284         * testsuite/24_iterators/headers/iterator/synopsis_c++11.cc: Likewise.
 285         * testsuite/24_iterators/headers/iterator/synopsis_c++14.cc: Likewise.
 286         * testsuite/24_iterators/headers/iterator/synopsis_c++17.cc: Likewise.
 287         * testsuite/26_numerics/complex/abi_tag.cc: Likewise.
 288         * testsuite/26_numerics/headers/complex/synopsis.cc: Likewise.
 289         * testsuite/26_numerics/headers/valarray/synopsis.cc: Likewise.
 290         * testsuite/27_io/headers/fstream/synopsis.cc: Likewise.
 291         * testsuite/27_io/headers/ios/synopsis.cc: Likewise.
 292         * testsuite/27_io/headers/istream/synopsis.cc: Likewise.
 293         * testsuite/27_io/headers/ostream/synopsis.cc: Likewise.
 294         * testsuite/27_io/headers/sstream/synopsis.cc: Likewise.
 295         * testsuite/27_io/headers/streambuf/synopsis.cc: Likewise.
 296
 297 2017-10-24  Jonathan Wakely  <jwakely@redhat.com>
 298
 299         * config/locale/gnu/c_locale.cc [_GLIBCXX_LONG_DOUBLE_COMPAT]: Ignore
 300         -Wattribute-alias warnings.
 301         * src/c++11/istream-inst.cc: Likewise.
 302         * src/c++11/locale-inst.cc: Likewise.
 303         * src/c++11/ostream-inst.cc: Likewise.
 304         * src/c++11/wlocale-inst.cc: Likewise.
 305         * src/c++98/hash-long-double-tr1-aux.cc: Likewise.
 306
 307         * include/bits/string_view.tcc (find_first_of, find_last_of)
 308         (find_first_not_of, find_last_not_of): Add noexcept.
 309         * include/std/string_view (basic_string_view(const _CharT*))
 310         (basic_string_view(const _CharT*, size_type))
 311         (front, back, remove_prefix, remove_suffix, find, rfind)
 312         (find_first_of, find_first_not_of): Add noexcept.
 313         (at(size_type), _S_compare(size_type, size_type)): Replace conditional
 314         expressions with if statements.
 315         (copy(_CharT*, size_type, size_type), substr(size_type, size_type)):
 316         Use _M_check for length checks.
 317         (compare(basic_string_view)): Reformat.
 318         (_M_check(size_type, const char)): Add noexcept(false).
 319         (_M_limit(size_type, size_type)): Use noexcept not _GLIBCXX_NOEXCEPT.
 320
 321         PR libstdc++/82685
 322         * include/experimental/string_view (operator""sv): Add noexcept.
 323         * include/std/string_view (operator""sv): Likewise.
 324
 325 2017-10-23  Jonathan Wakely  <jwakely@redhat.com>
 326
 327         * include/Makefile.am: Add new headers for C++17 filesystem library.
 328         * include/Makefile.in: Regenerate.
 329         * include/bits/fs_dir.h: New header, based on Filesystem TS code in
 330         include/experimental/bits directory.
 331         * include/bits/fs_fwd.h: Likewise.
 332         * include/bits/fs_ops.h: Likewise.
 333         * include/bits/fs_path.h: Likewise.
 334         * include/experimental/bits/fs_dir.h: Rename Doxygen group.
 335         * include/experimental/bits/fs_fwd.h: Likewise.
 336         * include/experimental/bits/fs_ops.h: Likewise.
 337         * include/experimental/bits/fs_path.h: Likewise.
 338         * include/experimental/filesystem (filesystem_error::_M_gen_what):
 339         Remove inline definition.
 340         * include/precompiled/stdc++.h: Add <filesystem> to precompiled
 341         header.
 342         * include/std/filesystem: New header.
 343         * python/libstdcxx/v6/printers.py: Enable printer for std::filesystem
 344         paths.
 345         * src/filesystem/Makefile.am: Add new files. Compile as C++17.
 346         * src/filesystem/Makefile.in: Regenerate.
 347         * src/filesystem/cow-dir.cc: Update comment.
 348         * src/filesystem/cow-ops.cc: Likewise.
 349         * src/filesystem/cow-path.cc: Likewise.
 350         * src/filesystem/cow-std-dir.cc: New file.
 351         * src/filesystem/cow-std-ops.cc: New file.
 352         * src/filesystem/cow-std-path.cc: New file.
 353         * src/filesystem/dir-common.h (_Dir_base, get_file_type): New header
 354         for common code.
 355         * src/filesystem/dir.cc (_Dir): Derive from _Dir_base.
 356         (open_dir): Move to _Dir_base constructor.
 357         (get_file_type): Move to dir-common.h.
 358         (recurse): Move to _Dir_base::should_recurse.
 359         * src/filesystem/ops-common.h: New header for common code.
 360         * src/filesystem/ops.cc (is_set, make_file_type, make_file_status)
 361         (is_not_found_errno, file_time, do_copy_file): Move to ops-common.h.
 362         * src/filesystem/path.cc (filesystem_error::_M_gen_what): Define.
 363         * src/filesystem/std-dir.cc: New file, based on Filesystem TS code.
 364         * src/filesystem/std-ops.cc: Likewise.
 365         * src/filesystem/std-dir.cc: Likewise.
 366         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: New
 367         test.
 368         * testsuite/27_io/filesystem/iterators/pop.cc: New test.
 369         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
 370         New test.
 371         * testsuite/27_io/filesystem/operations/absolute.cc: New test.
 372         * testsuite/27_io/filesystem/operations/canonical.cc: New test.
 373         * testsuite/27_io/filesystem/operations/copy.cc: New test.
 374         * testsuite/27_io/filesystem/operations/copy_file.cc: New test.
 375         * testsuite/27_io/filesystem/operations/create_directories.cc: New
 376         test.
 377         * testsuite/27_io/filesystem/operations/create_directory.cc: New test.
 378         * testsuite/27_io/filesystem/operations/create_symlink.cc: New test.
 379         * testsuite/27_io/filesystem/operations/current_path.cc: New test.
 380         * testsuite/27_io/filesystem/operations/equivalent.cc: New test.
 381         * testsuite/27_io/filesystem/operations/exists.cc: New test.
 382         * testsuite/27_io/filesystem/operations/file_size.cc: New test.
 383         * testsuite/27_io/filesystem/operations/is_empty.cc: New test.
 384         * testsuite/27_io/filesystem/operations/last_write_time.cc: New test.
 385         * testsuite/27_io/filesystem/operations/permissions.cc: New test.
 386         * testsuite/27_io/filesystem/operations/proximate.cc: New test.
 387         * testsuite/27_io/filesystem/operations/read_symlink.cc: New test.
 388         * testsuite/27_io/filesystem/operations/relative.cc: New test.
 389         * testsuite/27_io/filesystem/operations/remove_all.cc: New test.
 390         * testsuite/27_io/filesystem/operations/space.cc: New test.
 391         * testsuite/27_io/filesystem/operations/status.cc: New test.
 392         * testsuite/27_io/filesystem/operations/symlink_status.cc: New test.
 393         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: New
 394         test.
 395         * testsuite/27_io/filesystem/operations/weakly_canonical.cc: New test.
 396         * testsuite/27_io/filesystem/path/append/path.cc: New test.
 397         * testsuite/27_io/filesystem/path/assign/assign.cc: New test.
 398         * testsuite/27_io/filesystem/path/assign/copy.cc: New test.
 399         * testsuite/27_io/filesystem/path/compare/compare.cc: New test.
 400         * testsuite/27_io/filesystem/path/compare/path.cc: New test.
 401         * testsuite/27_io/filesystem/path/compare/strings.cc: New test.
 402         * testsuite/27_io/filesystem/path/concat/path.cc: New test.
 403         * testsuite/27_io/filesystem/path/concat/strings.cc: New test.
 404         * testsuite/27_io/filesystem/path/construct/copy.cc: New test.
 405         * testsuite/27_io/filesystem/path/construct/default.cc: New test.
 406         * testsuite/27_io/filesystem/path/construct/locale.cc: New test.
 407         * testsuite/27_io/filesystem/path/construct/range.cc: New test.
 408         * testsuite/27_io/filesystem/path/construct/string_view.cc: New test.
 409         * testsuite/27_io/filesystem/path/decompose/extension.cc: New test.
 410         * testsuite/27_io/filesystem/path/decompose/filename.cc: New test.
 411         * testsuite/27_io/filesystem/path/decompose/parent_path.cc: New test.
 412         * testsuite/27_io/filesystem/path/decompose/relative_path.cc: New
 413         test.
 414         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: New
 415         test.
 416         * testsuite/27_io/filesystem/path/decompose/root_name.cc: New test.
 417         * testsuite/27_io/filesystem/path/decompose/root_path.cc: New test.
 418         * testsuite/27_io/filesystem/path/decompose/stem.cc: New test.
 419         * testsuite/27_io/filesystem/path/generation/normal.cc: New test.
 420         * testsuite/27_io/filesystem/path/generation/proximate.cc: New test.
 421         * testsuite/27_io/filesystem/path/generation/relative.cc: New test.
 422         * testsuite/27_io/filesystem/path/generic/generic_string.cc: New test.
 423         * testsuite/27_io/filesystem/path/itr/traversal.cc: New test.
 424         * testsuite/27_io/filesystem/path/modifiers/clear.cc: New test.
 425         * testsuite/27_io/filesystem/path/modifiers/make_preferred.cc: New
 426         test.
 427         * testsuite/27_io/filesystem/path/modifiers/remove_filename.cc: New
 428         test.
 429         * testsuite/27_io/filesystem/path/modifiers/replace_extension.cc: New
 430         test.
 431         * testsuite/27_io/filesystem/path/modifiers/replace_filename.cc: New
 432         test.
 433         * testsuite/27_io/filesystem/path/modifiers/swap.cc: New test.
 434         * testsuite/27_io/filesystem/path/native/string.cc: New test.
 435         * testsuite/27_io/filesystem/path/nonmember/hash_value.cc: New test.
 436         * testsuite/27_io/filesystem/path/query/empty.cc: New test.
 437         * testsuite/27_io/filesystem/path/query/has_extension.cc: New test.
 438         * testsuite/27_io/filesystem/path/query/has_filename.cc: New test.
 439         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: New test.
 440         * testsuite/27_io/filesystem/path/query/has_relative_path.cc: New
 441         test.
 442         * testsuite/27_io/filesystem/path/query/has_root_directory.cc: New
 443         test.
 444         * testsuite/27_io/filesystem/path/query/has_root_name.cc: New test.
 445         * testsuite/27_io/filesystem/path/query/has_root_path.cc: New test.
 446         * testsuite/27_io/filesystem/path/query/has_stem.cc: New test.
 447         * testsuite/27_io/filesystem/path/query/is_relative.cc: New test.
 448         * testsuite/experimental/filesystem/path/construct/string_view.cc:
 449         Define USE_FILESYSTEM_TS.
 450         * testsuite/util/testsuite_fs.h: Allow use with C++17 paths as well
 451         as Filesystem TS.
 452
 453         PR libstdc++/82644
 454         * doc/xml/manual/intro.xml: Include new section.
 455         * doc/xml/manual/status_cxxis29124.xml: New section on IS 29124
 456         status.
 457         * include/bits/specfun.h [__STRICT_ANSI__] (hyperg, hypergf, hypergl)
 458         (conf_hyperg, conf_hypergf, conf_hypergl): Don't declare.
 459         * include/c_compatibility/math.h: Import special functions into
 460         global namespace for C++17.
 461         * testsuite/26_numerics/headers/cmath/82644.cc: New test.
 462         * testsuite/26_numerics/headers/cmath/functions_global_c++17.cc: New
 463         test.
 464
 465 2017-10-21  Jonathan Wakely  <jwakely@redhat.com>
 466
 467         * testsuite/experimental/filesystem/path/itr/traversal.cc: Do not
 468         increment past-the-end iterators.
 469
 470 2017-10-20  Jonathan Wakely  <jwakely@redhat.com>
 471
 472         * include/std/chrono (__cpp_lib_chrono): Update macro value to
 473         indicate support for P0505R0.
 474         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: Check
 475         for updated macro.
 476
 477         * include/c_global/cstddef: Define __cpp_lib_byte feature-test macro.
 478         * testsuite/18_support/byte/requirements.cc: Check macro.
 479
 480 2017-10-19  Jonathan Wakely  <jwakely@redhat.com>
 481
 482         * testsuite/experimental/filesystem/iterators/
 483         recursive_directory_iterator.cc: Ensure that error_code arguments are
 484         cleared when required.
 485         * testsuite/experimental/filesystem/operations/create_directory.cc:
 486         Remove redundant check.
 487         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
 488         Ensure that error_code argument is cleared when required.
 489
 490         * include/experimental/bits/fs_path.h (path::iterator++(int))
 491         (path::iterator--(int)): Fix for paths with only one component.
 492         * testsuite/experimental/filesystem/path/itr/traversal.cc: Test
 493         post-increment and post-decrement.
 494
 495         * doc/xml/manual/status_cxx2017.xml: Update references to C++17
 496         section numbers.
 497
 498         * testsuite/decimal/conversion-to-integral.cc: Use predefined macro
 499         instead of non-standard glibc one.
 500
 501 2017-10-16  François Dumont  <fdumont@gcc.gnu.org>
 502
 503         PR libstdc++/82558
 504         * include/bits/stl_bvector.h (fill): Add iterator offset check.
 505         * testsuite/23_containers/vector/bool/82558.cc: New.
 506
 507 2017-10-13  Jonathan Wakely  <jwakely@redhat.com>
 508
 509         PR libstdc++/82522
 510         * doc/xml/manual/intro.xml: Document LWG 2354 changes.
 511         * include/bits/stl_map.h (map::insert(value_type&&))
 512         (map::insert(const_iterator, value_type&&)): Add overload for rvalues.
 513         * include/bits/stl_multimap.h (multimap::insert(value_type&&))
 514         (multimap::insert(const_iterator, value_type&&)): Likewise.
 515         * include/bits/unordered_map.h (unordered_map::insert(value_type&&))
 516         (unordered_map::insert(const_iterator, value_type&&))
 517         (unordered_multimap::insert(value_type&&))
 518         (unordered_multimap::insert(const_iterator, value_type&&)): Likewise.
 519         * testsuite/23_containers/map/modifiers/insert/dr2354.cc: New test.
 520         * testsuite/23_containers/multimap/modifiers/insert/dr2354.cc: New
 521         test.
 522         * testsuite/23_containers/unordered_map/insert/dr2354.cc: New test.
 523         * testsuite/23_containers/unordered_multimap/insert/dr2354.cc: New
 524         test.
 525
 526         PR libstdc++/82481
 527         * include/std/mutex (call_once): Suppress clang-tidy warnings about
 528         dangling references.
 529
 530 2017-10-10  Jonathan Wakely  <jwakely@redhat.com>
 531
 532         * include/bits/streambuf_iterator.h (istreambuf_iterator::equal):
 533         Update comment about NAD issue.
 534
 535         PR libstdc++/59087
 536         PR libstdc++/82417
 537         * include/c_compatibility/complex.h [!C++98 && __STRICT_ANSI__]: Do
 538         not include C library's <complex.h>.
 539         * testsuite/26_numerics/complex/c99.cc: Depend on __STRICT_ANSI__.
 540         * testsuite/26_numerics/headers/complex.h/std_c++11.h: New test.
 541         * testsuite/26_numerics/headers/complex.h/std_gnu++11.h: New test.
 542         * testsuite/26_numerics/headers/complex.h/std_c++98.h: New test.
 543
 544 2017-10-05  Jonathan Wakely  <jwakely@redhat.com>
 545
 546         * testsuite/20_util/to_chars/1.cc: Add dg-require-string-conversions.
 547
 548 2017-10-04  Petr Ovtchenkov  <ptr@void-ptr.info>
 549             François Dumont  <fdumont@gcc.gnu.org>
 550
 551         * include/bits/streambuf_iterator.h
 552         (istreambuf_iterator<>::operator*()): Do not capture iterator state
 553         in Debug assertion.
 554         (istreambuf_iterator<>::operator++()): Likewise and remove _M_sbuf check.
 555         (istreambuf_iterator<>::operator++(int)): Likewise.
 556         (istreambuf_iterator<>::_M_get()): Remove _M_c assignment.
 557         (istreambuf_iterator<>::_S_is_eof()): New.
 558         (istreambuf_iterator<>::_M_at_eof()): Adapt, use latter.
 559         (find(istreambuf_iterator<>, istreambuf_iterator<>, _CharT)):
 560         Return an iterator with _M_c set to eof to capture streambuf state
 561         on evaluation.
 562         (testsuite/24_iterators/istreambuf_iterator/2.cc): Add checks.
 563
 564 2017-10-03  Jakub Jelinek  <jakub@redhat.com>
 565
 566         * include/std/charconv (__unsigned_least_t): Fix number of closing >s for
 567         !_GLIBCXX_USE_INT128.
 568
 569 2017-10-02  Jonathan Wakely  <jwakely@redhat.com>
 570
 571         * include/Makefile.am: Add new <charconv> header.
 572         * include/Makefile.in: Regenerate.
 573         * include/precompiled/stdc++.h: Include <charconv>.
 574         * include/std/charconv: New file.
 575         (to_chars_result, to_chars, from_chars_result, from_chars): Define.
 576         * testsuite/20_util/from_chars/1.cc: New test.
 577         * testsuite/20_util/from_chars/1_neg.cc: New test.
 578         * testsuite/20_util/from_chars/2.cc: New test.
 579         * testsuite/20_util/from_chars/requirements.cc: New test.
 580         * testsuite/20_util/to_chars/1.cc: New test.
 581         * testsuite/20_util/to_chars/1_neg.cc: New test.
 582         * testsuite/20_util/to_chars/2.cc: New test.
 583         * testsuite/20_util/to_chars/requirements.cc: New test.
 584
 585 2017-09-27  François Dumont  <fdumont@gcc.gnu.org>
 586
 587         * testsuite/22_locale/money_get/get/char/22131.cc: Make test less
 588         istreambuf_iterator implementation dependent.
 589         * testsuite/22_locale/money_get/get/wchar_t/22131.cc: Likewise.
 590
 591 2017-09-25  Uros Bizjak  <ubizjak@gmail.com>
 592
 593         PR c/81854
 594         * src/c++98/complex_io.cc (_GLIBCXX_LDBL_COMPAT): Declare alias
 595         target as a C++ function with no prototype.
 596
 597 2017-09-21  Jonathan Wakely  <jwakely@redhat.com>
 598
 599         * testsuite/25_algorithms/clamp/1.cc: Fix order of arguments and
 600         expected results when using predicate defining reverse order.
 601         * testsuite/25_algorithms/clamp/constexpr.cc: Likewise.
 602
 603 2017-09-20  Jonathan Wakely  <jwakely@redhat.com>
 604
 605         PR libstdc++/79162
 606         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
 607         (basic_string::_If_sv): Remove from the overload set when the
 608         argument is derived from basic_string.
 609
 610         PR libstdc++/79162
 611         * include/bits/basic_string.h (basic_string::_If_sv): Remove from the
 612         overload set when the argument is derived from basic_string.
 613         * testsuite/21_strings/basic_string/cons/char/moveable2_c++17.cc: New
 614         test.
 615         * testsuite/21_strings/basic_string/cons/wchar_t/moveable2_c++17.cc:
 616         New test.
 617
 618         * testsuite/24_iterators/range_access_cpp17.cc: Fix order of dg-do
 619         and dg-options directives. Fix invalid test.
 620
 621         PR libstdc++/81469
 622         * libsupc++/exception (uncaught_exception): Deprecate for C++17.
 623         * testsuite/18_support/exception_ptr/62258.cc: Add -Wno-deprecated.
 624         * testsuite/18_support/uncaught_exception/14026.cc: Likewise.
 625
 626         * include/bits/c++config (_GLIBCXX17_DEPRECATED): Define.
 627         * include/bits/functional_hash.h (__hash_base::result_type)
 628         (__hash_base::argument_type): Add _GLIBCXX17_DEPRECATED.
 629         * include/std/optional (hash<optional<T>>::result_type)
 630         (hash<optional<T>>::argument_type): Add deprecated attribute.
 631         (__is_fast_hash<hash<optional<T>>>): Add partial specialization.
 632         * include/std/variant (hash<variant<Types...>>::result_type)
 633         (hash<variant<Types...>>::argument_type): Add deprecated attribute.
 634         (__is_fast_hash<hash<variant<Types...>>>): Add partial specialization.
 635
 636         * libsupc++/exception_ptr.h (copy_exception): Remove deprecated
 637         non-standard function.
 638
 639         PR libstdc++/82262
 640         * include/std/optional (__optional_hash_call_base): Add template
 641         parameter for remove_const_t<_Tp> and use it consistently.
 642         * testsuite/20_util/optional/hash.cc: Test optional<const T>.
 643
 644 2017-09-19  Jonathan Wakely  <jwakely@redhat.com>
 645
 646         PR libstdc++/71500
 647         * include/bits/regex_executor.tcc
 648         (_Backref_matcher<BidIt, regex_traits<C>>::_M_apply): Use
 649         std::__equal4 instead of C++14 4-iterator overloads of std::equal.
 650         * include/bits/stl_algobase.h (__equal4): New functions implementing
 651         4-iterator overloads of std::equal for use in C++11.
 652         (equal(It1, It1, It2, It2), equal(It1, It1, It2, It2, BinaryPred)):
 653         Move function bodies to new __equal4 functions.
 654         * testsuite/28_regex/simple_c++11.cc: New.
 655
 656         PR libstdc++/82254
 657         * include/std/type_traits (__is_invocable): Add partial specialization
 658         for INVOKE<void> case and remove is_void<R> check from partial
 659         specialization for INVOKE<R> case.
 660         (__is_nt_invocable_impl): New helper for is_nothrow_invocable_r.
 661         (is_nothrow_invocable_r): Use __is_nt_invocable_impl.
 662         * testsuite/20_util/is_nothrow_invocable/value.cc: Add tests for
 663         conversions that can throw or fail to convert. Use static assert
 664         strings to explain negative results.
 665         * testsuite/20_util/is_nothrow_invocable/value_ext.cc: Use
 666         is_nothrow_constructible in is_nt_invocable_conv.
 667
 668 2017-09-18  Jonathan Wakely  <jwakely@redhat.com>
 669
 670         PR libstdc++/81468
 671         * testsuite/20_util/duration/cons/dr1177.cc: Fix incorrect test and
 672         improve static assertion messages.
 673
 674         * include/std/utility (_Itup_cat, _Make_integer_sequence): Remove.
 675         (_Build_index_tuple, make_integer_sequence): Use built-in to generate
 676         pack expansion.
 677
 678         PR libstdc++/71187
 679         * include/std/type_traits (__declval): New function to deduce return
 680         type of declval.
 681         (__declval_protector::_delegate): Remove.
 682         (declval): Use __declval instead of add_rvalue_reference and
 683         __declval_protector::__delegate.
 684         * testsuite/20_util/declval/requirements/1_neg.cc: Adjust dg-error
 685         lineno.
 686         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc:
 687         Likewise.
 688         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
 689         Likewise.
 690
 691 2017-09-15  Jakub Jelinek  <jakub@redhat.com>
 692
 693         * testsuite/libstdc++-prettyprinters/cxx17.cc: Use -std=c++17 or
 694         -std=gnu++17 instead of -std=c++1z or -std=gnu++1z.  Use c++17 instead
 695         of c++1z and c++17_only instead of c++1z_only.  Adjust expected
 696         diagnostics and comments refering to 1z to 17.
 697         * testsuite/30_threads/lock_guard/cons/deduction.cc: Likewise.
 698         * testsuite/30_threads/scoped_lock/cons/deduction.cc: Likewise.
 699         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
 700         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
 701         * testsuite/30_threads/scoped_lock/requirements/explicit_instantiation.cc:
 702         Likewise.
 703         * testsuite/30_threads/unique_lock/cons/deduction.cc: Likewise.
 704         * testsuite/18_support/launder/1.cc (test02): Likewise.
 705         * testsuite/18_support/launder/requirements_neg.cc: Likewise.
 706         * testsuite/18_support/launder/requirements.cc: Likewise.
 707         * testsuite/18_support/byte/requirements.cc: Likewise.
 708         * testsuite/18_support/byte/ops.cc: Likewise.
 709         * testsuite/18_support/byte/global_neg.cc: Likewise.
 710         * testsuite/18_support/uncaught_exceptions/uncaught_exceptions.cc:
 711         Likewise.
 712         * testsuite/27_io/types/4.cc: Likewise.
 713         * testsuite/25_algorithms/sample/81221.cc: Likewise.
 714         * testsuite/25_algorithms/sample/1.cc: Likewise.
 715         * testsuite/25_algorithms/sample/2.cc: Likewise.
 716         * testsuite/25_algorithms/search/searcher.cc: Likewise.
 717         * testsuite/28_regex/basic_regex/ctors/deduction.cc: Likewise.
 718         * testsuite/experimental/filesystem/path/construct/string_view.cc:
 719         Likewise.
 720         * testsuite/24_iterators/range_access_cpp17.cc: Likewise.
 721         * testsuite/24_iterators/container_access.cc: Likewise.
 722         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
 723         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
 724         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
 725         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
 726         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
 727         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
 728         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
 729         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
 730         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
 731         * testsuite/20_util/shared_ptr/casts/reinterpret.cc: Likewise.
 732         * testsuite/20_util/shared_ptr/cons/deduction.cc: Likewise.
 733         * testsuite/20_util/shared_ptr/cons/array.cc: Likewise.
 734         * testsuite/20_util/shared_ptr/observers/array.cc (struct A): Likewise.
 735         * testsuite/20_util/pair/cons/deduction.cc: Likewise.
 736         * testsuite/20_util/variant/deduction.cc: Likewise.
 737         * testsuite/20_util/tuple/78939.cc: Likewise.
 738         * testsuite/20_util/tuple/cons/deduction.cc: Likewise.
 739         * testsuite/20_util/void_t/1.cc: Likewise.
 740         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: Likewise.
 741         * testsuite/20_util/unique_ptr/cons/deduction_neg.cc: Likewise.
 742         * testsuite/20_util/addressof/requirements/constexpr.cc: Likewise.
 743         * testsuite/20_util/weak_ptr/cons/deduction.cc: Likewise.
 744         * testsuite/20_util/has_unique_object_representations/requirements/typedefs.cc:
 745         Likewise.
 746         * testsuite/20_util/has_unique_object_representations/requirements/explicit_instantiation.cc:
 747         Likewise.
 748         * testsuite/20_util/has_unique_object_representations/value.cc:
 749         Likewise.
 750         * testsuite/20_util/time_point/arithmetic/constexpr.cc: Likewise.
 751         * testsuite/20_util/function_objects/invoke/59768.cc: Likewise.
 752         * testsuite/20_util/function_objects/mem_fn/80478.cc: Likewise.
 753         * testsuite/20_util/function/cons/deduction.cc: Likewise.
 754         * testsuite/20_util/specialized_algorithms/memory_management_tools/destroy_neg.cc:
 755         Likewise.
 756         * testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
 757         * testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
 758         Likewise.
 759         * testsuite/20_util/is_aggregate/value.cc: Likewise.
 760         * testsuite/26_numerics/lcm/1.cc: Likewise.
 761         * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
 762         * testsuite/26_numerics/gcd/1.cc: Likewise.
 763         * testsuite/26_numerics/gcd/gcd_neg.cc: Likewise.
 764         * testsuite/26_numerics/valarray/deduction.cc: Likewise.
 765         * testsuite/26_numerics/headers/cmath/types_std_c++0x_neg.cc: Likewise.
 766         * testsuite/26_numerics/headers/cmath/hypot.cc: Likewise.
 767         * testsuite/23_containers/queue/members/emplace_cxx17_return.cc:
 768         Likewise.
 769         * testsuite/23_containers/array/cons/deduction.cc: Likewise.
 770         * testsuite/23_containers/array/cons/deduction_neg.cc: Likewise.
 771         * testsuite/23_containers/deque/modifiers/emplace/cxx17_return.cc:
 772         Likewise.
 773         * testsuite/23_containers/deque/cons/deduction.cc: Likewise.
 774         * testsuite/23_containers/stack/members/emplace_cxx17_return.cc:
 775         Likewise.
 776         * testsuite/23_containers/list/modifiers/emplace/cxx17_return.cc:
 777         Likewise.
 778         * testsuite/23_containers/list/cons/deduction.cc: Likewise.
 779         * testsuite/23_containers/forward_list/modifiers/emplace_cxx17_return.cc:
 780         Likewise.
 781         * testsuite/23_containers/forward_list/cons/deduction.cc: Likewise.
 782         * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Likewise.
 783         * testsuite/23_containers/vector/modifiers/emplace/cxx17_return.cc:
 784         Likewise.
 785         * testsuite/23_containers/vector/cons/deduction.cc: Likewise.
 786         * testsuite/23_containers/vector/bool/emplace_cxx17_return.cc:
 787         Likewise.
 788         * testsuite/21_strings/basic_string/cons/char/9.cc: Likewise.
 789         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Likewise.
 790         * testsuite/21_strings/basic_string/cons/char/79162.cc: Likewise.
 791         * testsuite/21_strings/basic_string/cons/wchar_t/9.cc: Likewise.
 792         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
 793         Likewise.
 794         * testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: Likewise.
 795         * testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc:
 796         Likewise.
 797         * testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc:
 798         Likewise.
 799         * testsuite/21_strings/basic_string_view/operations/compare/char/2.cc:
 800         Likewise.
 801         * testsuite/21_strings/basic_string_view/operations/compare/char/70483.cc:
 802         Likewise.
 803         * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/2.cc:
 804         Likewise.
 805         * testsuite/21_strings/char_traits/requirements/constexpr_functions_c++17.cc:
 806         Likewise.
 807
 808 2017-09-13  Jonathan Wakely  <jwakely@redhat.com>
 809
 810         PR libstdc++/81468
 811         * include/std/chrono (__enable_if_is_duration)
 812         (__disable_if_is_duration): New alias templates to simplify SFINAE.
 813         (duration_cast, floor, ceil): Use __enable_if_is_duration.
 814         (duration::__is_float, duration::__is_harmonic): New alias templates
 815         to simplify SFINAE.
 816         (duration::duration(const _Rep2&)): Use _Require, __is_float and
 817         __is_harmonic.
 818         (duration::duration(const duration<_Rep2, _Period2>&)): Likewise.
 819         (__common_rep_type): Remove, replace with ...
 820         (__common_rep_t): New alias template.
 821         (operator*, operator/, operator%): Use __common_rep_t and
 822         __disable_if_is_duration.
 823         (time_point::time_point(const time_point<clock, _Dur2>&)): Add missing
 824         constraint from LWG DR 1177.
 825         * testsuite/20_util/duration/cons/dr1177.cc: New.
 826         * testsuite/20_util/duration/literals/range.cc: Update dg-error line.
 827         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
 828         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
 829         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
 830         * testsuite/20_util/time_point/cons/81468.cc: New.
 831
 832         * doc/doxygen/mainpage.html: Fix broken URLs.
 833
 834         PR libstdc++/81835
 835         * doc/xml/manual/extensions.xml: Replace unstable URL.
 836         * doc/html/manual/ext_demangling.html: Regenerate.
 837         * libsupc++/cxxabi.h (__cxa_demangle): Fix broken URL.
 838
 839         * include/bits/allocated_ptr.h (__allocated_ptr::get): Use
 840         __to_address.
 841         (__allocated_ptr::_S_raw_ptr): Remove.
 842         * include/bits/forward_list.h (_Fwd_list_base::_M_get_node): Use
 843         __to_address.
 844         * include/bits/hashtable_policy.h (_Hashtable_alloc): Likewise.
 845         * include/bits/ptr_traits.h (__to_address): Define new function
 846         template.
 847         * include/bits/shared_ptr_base.h (__shared_ptr): Use __to_address.
 848         (__shared_ptr::_S_raw_ptr): Remove.
 849         * include/bits/stl_vector.h [__cplusplus >= 201103L]
 850         (vector::_M_data_ptr): Use __to_address.
 851         [__cplusplus < 201103L] (vector::_M_data_ptr): Don't dereference
 852         possibly invalid pointers.
 853         * include/ext/alloc_traits.h (__alloc_traits::construct)
 854         (__alloc_traits::destroy): Use __to_address.
 855
 856 2017-09-12  Jonathan Wakely  <jwakely@redhat.com>
 857
 858         PR libstdc++/79433
 859         * include/Makefile.am: Remove <bits/c++14_warning.h>.
 860         * include/Makefile.in: Regenerate.
 861         * include/bits/c++14_warning.h: Remove.
 862         * include/experimental/algorithm: Do not include <c++14_warning.h>.
 863         * include/experimental/any: Likewise.
 864         * include/experimental/array: Likewise.
 865         * include/experimental/bits/erase_if.h: Likewise.
 866         * include/experimental/bits/lfts_config.h: Likewise.
 867         * include/experimental/bits/shared_ptr.h: Likewise.
 868         * include/experimental/bits/string_view.tcc: Likewise.
 869         * include/experimental/chrono: Likewise.
 870         * include/experimental/deque: Likewise.
 871         * include/experimental/filesystem: Do not include <c++0x_warning.h>.
 872         * include/experimental/forward_list: Do not include <c++14_warning.h>.
 873         * include/experimental/functional: Likewise.
 874         * include/experimental/iterator: Likewise.
 875         * include/experimental/list: Likewise.
 876         * include/experimental/map: Likewise.
 877         * include/experimental/memory: Likewise.
 878         * include/experimental/numeric: Likewise.
 879         * include/experimental/optional: Likewise.
 880         * include/experimental/propagate_const: Likewise.
 881         * include/experimental/ratio: Likewise.
 882         * include/experimental/regex: Likewise.
 883         * include/experimental/set: Likewise.
 884         * include/experimental/string: Likewise.
 885         * include/experimental/string_view: Likewise.
 886         * include/experimental/system_error: Likewise.
 887         * include/experimental/tuple: Likewise.
 888         * include/experimental/type_traits: Likewise.
 889         * include/experimental/unordered_map: Likewise.
 890         * include/experimental/unordered_set: Likewise.
 891         * include/experimental/vector: Likewise.
 892         * testsuite/experimental/any/misc/any_cast_neg.cc: Adjust dg-error
 893         line number.
 894         * testsuite/experimental/array/neg.cc: Likewise.
 895         * testsuite/experimental/propagate_const/assignment/move_neg.cc:
 896         Likewise.
 897         * testsuite/experimental/propagate_const/cons/move_neg.cc: Likewise.
 898         * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
 899         * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
 900         * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
 901         * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
 902
 903         PR libstdc++/79433
 904         * doc/xml/manual/status_cxx2017.xml: Update feature-test macros.
 905         * doc/html/*: Regenerate.
 906         * include/Makefile.am: Remove <bits/c++17_warning.h>.
 907         * include/Makefile.in: Regenerate.
 908         * include/bits/c++17_warning.h: Remove.
 909         * include/bits/string_view.tcc: Do not include <bits/c++17_warning.h>
 910         for pre-C++17 modes.
 911         * include/std/any: Likewise.
 912         (__cpp_lib_any): Define.
 913         * include/std/mutex (__cpp_lib_scoped_lock): Adjust value as per new
 914         SD-6 draft.
 915         * include/std/numeric (__cpp_lib_gcd_lcm): Define as per new SD-6
 916         draft.
 917         * include/std/optional: Do not include <bits/c++17_warning.h>.
 918         (__cpp_lib_optional): Define.
 919         * include/std/shared_mutex: Do not include <bits/c++14_warning.h>.
 920         * include/std/string_view: Do not include <bits/c++17_warning.h>.
 921         (__cpp_lib_string_view): Define.
 922         * include/std/variant: Do not include <bits/c++17_warning.h>.
 923         (__cpp_lib_variant): Define.
 924         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error line
 925         numbers.
 926         * testsuite/26_numerics/gcd/1.cc: Test for __cpp_lib_gcd_lcm.
 927         * testsuite/26_numerics/gcd/gcd_neg.cc: Adjust dg-error line
 928         numbers.
 929         * testsuite/26_numerics/lcm/1.cc: Test for __cpp_lib_gcd_lcm.
 930         * testsuite/26_numerics/lcm/lcm_neg.cc: Adjust dg-error line
 931         numbers.
 932         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Adjust
 933         expected value of __cpp_lib_scoped_lock.
 934
 935         PR libstdc++/70483
 936         * include/experimental/bits/string_view.tcc (basic_string_view::find)
 937         (basic_string_view::rfind, basic_string_view::find_first_of)
 938         (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
 939         (basic_string_view::find_last_not_of): Add constexpr specifier.
 940         * include/experimental/string_view (basic_string_view::remove_prefix)
 941         (basic_string_view::remove_suffix, basic_string_view::swap)
 942         (basic_string_view::compare, basic_string_view::find)
 943         (basic_string_view::rfind, basic_string_view::find_first_of)
 944         (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
 945         (basic_string_view::find_last_not_of, operator==, operator!=)
 946         (operator<, operator>, operator<=, operator>=): Likewise.
 947         * testsuite/experimental/string_view/operations/compare/char/70483.cc:
 948         New.
 949
 950 2017-09-11  Jonathan Wakely  <jwakely@redhat.com>
 951
 952         PR libstdc++/70483
 953         * include/bits/string_view.tcc (basic_string_view::find)
 954         (basic_string_view::rfind, basic_string_view::find_first_of)
 955         (basic_string_view::find_last_of, basic_string_view::find_first_not_of)
 956         (basic_string_view::find_last_not_of): Add constexpr specifier.
 957         * include/std/string_view (basic_string_view::operator=)
 958         (basic_string_view::rbegin, basic_string_view::rend)
 959         (basic_string_view::crbegin, basic_string_view::crend)
 960         (basic_string_view::remove_prefix, basic_string_view::remove_suffix)
 961         (basic_string_view::swap, basic_string_view::compare)
 962         (basic_string_view::find, basic_string_view::rfind)
 963         (basic_string_view::find_first_of, basic_string_view::find_last_of)
 964         (basic_string_view::find_first_not_of)
 965         (basic_string_view::find_last_not_of, basic_string_view::_M_check)
 966         (basic_string_view::_M_limit, operator==, operator!=, operator<)
 967         (operator>, operator<=, operator>=): Likewise.
 968         * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
 969         char/1.cc: Repeat tests in constexpr context.
 970         * testsuite/21_strings/basic_string_view/modifiers/remove_prefix/
 971         wchar_t/1.cc: Likewise.
 972         * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
 973         char/1.cc: Likewise.
 974         * testsuite/21_strings/basic_string_view/modifiers/remove_suffix/
 975         wchar_t/1.cc: Likewise.
 976         * testsuite/21_strings/basic_string_view/operations/find/char/1.cc:
 977         Likewise.
 978         * testsuite/21_strings/basic_string_view/operations/find/char/2.cc:
 979         Likewise.
 980         * testsuite/21_strings/basic_string_view/operations/find/char/3.cc:
 981         Likewise.
 982         * testsuite/21_strings/basic_string_view/operations/find/wchar_t/1.cc:
 983         Likewise.
 984         * testsuite/21_strings/basic_string_view/operations/find/wchar_t/2.cc:
 985         Likewise.
 986         * testsuite/21_strings/basic_string_view/operations/find/wchar_t/3.cc:
 987         Likewise.
 988         * testsuite/21_strings/basic_string_view/operators/char/2.cc:
 989         Likewise.
 990         * testsuite/21_strings/basic_string_view/operators/wchar_t/2.cc:
 991         Likewise.
 992         * testsuite/21_strings/basic_string_view/range_access/char/1.cc: Test
 993         cbegin, cend, rbegin, rend, crbegin and crend.
 994         * testsuite/21_strings/basic_string_view/range_access/wchar_t/1.cc:
 995         Likewise.
 996         * testsuite/21_strings/basic_string_view/operations/compare/char/1.cc:
 997         Remove trailing whitespace.
 998         * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/
 999         1.cc: Likewise.
1000         * testsuite/21_strings/basic_string_view/modifiers/swap/char/1.cc:
1001         New.
1002         * testsuite/21_strings/basic_string_view/modifiers/swap/wchar_t/1.cc:
1003         New.
1004         * testsuite/21_strings/basic_string_view/operations/compare/char/2.cc:
1005         New.
1006         * testsuite/21_strings/basic_string_view/operations/compare/wchar_t/
1007         2.cc: New.
1008
1009 2017-09-11  Tim Shen  <timshen@google.com>
1010
1011         PR libstdc++/71500
1012         * include/bits/regex_executor.tcc: Support icase in regex_traits<...>
1013         for back reference matches.
1014         * testsuite/28_regex/regression.cc: Test case.
1015
1016 2017-09-11  Jonathan Wakely  <jwakely@redhat.com>
1017
1018         * testsuite/21_strings/basic_string/lwg2946.cc: Adjust for
1019         compatibility with old COW std::string.
1020
1021 2017-09-09  Gerald Pfeifer  <gerald@pfeifer.com>
1022
1023         * doc/xml/manual/allocator.xml: Adjust link for Hoard.
1024         * doc/html/manual/memory.html: Regenerate.
1025
1026 2017-09-04  Daniel Kruegler  <daniel.kruegler@gmail.com>
1027
1028         PR libstdc++/79162
1029         Implement LWG 2946, LWG 2758's resolution missed further corrections
1030         * include/bits/basic_string.h (basic_string::compare): Add missing
1031         required noexcept specifications.
1032         (basic_string): Introduce internal _S_to_string_view and __sv_wrapper
1033         for implicit string_view conversion.
1034         (basic_string::basic_string): Fix explicit string_view conversion by
1035         implicit conversion using _S_to_string_view and __sv_wrapper.
1036         (basic_string): Introduce internal basic_string(__sv_wrapper, Alloc)
1037         constructor.
1038         (basic_string): Fix operator=(T) template by operator=(const T&)
1039         template for uncopyable types (PR 79162).
1040         (basic_string::operator+=, basic_string::append, basic_string::assign)
1041         (basic_string::insert, basic_string::replace, basic_string::find)
1042         (basic_string::rfind, basic_string::find_first_of)
1043         (basic_string::find_last_of, basic_string::find_first_not_of)
1044         (basic_string::find_last_not_of, basic_string::compare): Replace
1045         __sv_type argument by template const T& (LWG 2946) and correct
1046         documentation describing __sv_type argument.
1047         (basic_string::find, basic_string::rfind, basic_string::find_first_of)
1048         (basic_string::find_last_of, basic_string::find_first_not_of)
1049         (basic_string::find_last_not_of, basic_string::compare): Replace
1050         unconditional noexcept specification by conditional noexcept
1051         specification to partially balance the removal of noexcept by LWG 2946.
1052         * testsuite/21_strings/basic_string/79162.cc: New.
1053         * testsuite/21_strings/basic_string/lwg2946.cc: New.
1054
1055 2017-08-31  Jonathan Wakely  <jwakely@redhat.com>
1056
1057         PR c++/82039
1058         * include/ext/new_allocator.h (__gnu_cxx::new_allocator::allocate):
1059         Adjust null pointer constant to avoid warning.
1060
1061 2017-08-24  François Dumont  <fdumont@gcc.gnu.org>
1062
1063         * include/bits/stl_list.h
1064         [!_GLIBCXX_INLINE_VERSION](_List_base<>::_S_distance): Remove.
1065         (_List_impl(_Node_alloc_type&&, _List_impl&&)): New.
1066         (_List_base(_Node_alloc_type&&, _List_base&&)): New, use latter.
1067         [!_GLIBCXX_INLINE_VERSION](_List_base(_Node_alloc_type&&,_List_base&&)):
1068         Remove.
1069         (_List_base(_Node_alloc_type&&)): New.
1070         [!_GLIBCXX_INLINE_VERSION](_List_base<>::_M_distance): Remove.
1071         [!_GLIBCXX_INLINE_VERSION](_List_base<>::_M_node_count): Remove.
1072         (list<>::_M_node_count): New.
1073         (list<>::size()): Adapt to call latter.
1074         (list<>::_S_distance(const_iterator, const_iterator)): New.
1075         (list<>::splice(iterator, list&, const_iterator, const_iterator)):
1076         Adapt to call latter.
1077         (list(list&&, const allocator_type&, true_type)): New.
1078         (list(list&&, const allocator_type&, false_type)): New.
1079         (list(list&&, const allocator_type&)): Adapt to call latters.
1080
1081 2017-08-21  Jonathan Wakely  <jwakely@redhat.com>
1082
1083         PR libstdc++/81912
1084         * include/bits/stl_iterator_base_types.h (__iterator_category): Add
1085         constexpr for C++11 and later.
1086         * testsuite/24_iterators/container_access.cc: Add target selector.
1087         * testsuite/24_iterators/range_access.cc: Fix clause number in
1088         comment.
1089         * testsuite/24_iterators/range_access_cpp14.cc: Likewise.
1090         * testsuite/24_iterators/range_access_cpp17.cc: New.
1091
1092 2017-08-21  Richard Biener  <rguenther@suse.de>
1093
1094         * testsuite/libstdc++-prettyprinters/prettyprinters.exp: Run all
1095         tests with -flto as well if supported.
1096
1097 2017-08-20  Martin Sebor  <msebor@redhat.com>
1098
1099         PR c/81854
1100         * src/c++98/compatibility.cc (_GLIBCXX_3_4_SYMVER): Declare alias
1101         target as a C++ function with no prototype.
1102         (_GLIBCXX_3_4_5_SYMVER): Ditto.
1103
1104 2017-08-20  John David Anglin  <danglin@gcc.gnu.org>
1105
1106         PR testsuite/81056
1107         * testsuite/17_intro/names.cc: Undef 'd' and 'r' on __hpux__.
1108
1109 2017-08-18  Jonathan Wakely  <jwakely@redhat.com>
1110
1111         * include/bits/hashtable_policy.h (_ReuseOrAllocNode): Remove
1112         __value_alloc_type and __value_alloc_traits typedefs.
1113         (_ReuseOrAllocNode::operator()): Call construct and destroy on the
1114         node allocator.
1115         (_Hashtable_alloc): Simplify __value_alloc_traits typedef.
1116         (_Hashtable_alloc<_NodeAlloc>::_M_allocate_node(_Args&&...)): Call
1117         construct on the node allocator.
1118         (_Hashtable_alloc<_NodeAlloc>::_M_deallocate_node(__node_type*)): Call
1119         destroy on the node allocator.
1120
1121         PR libstdc++/81891
1122         * include/bits/hashtable.h (_Hashtable(_InputIterator, _InputIterator,
1123         size_type, const _H1&, const _H2&, const _Hash&, const _Equal&,
1124         const _ExtractKey&, const allocator_type&)): Let destructor do clean
1125         up if an exception is thrown.
1126         * testsuite/23_containers/unordered_map/cons/81891.cc: New.
1127
1128 2017-08-11  Jonathan Wakely  <jwakely@redhat.com>
1129
1130         PR libstdc++/81808
1131         * testsuite/27_io/basic_fstream/53984.cc: Adjust test for targets
1132         that allow opening a directory as a FILE and reading from it.
1133
1134 2017-08-09  Jonathan Wakely  <jwakely@redhat.com>
1135
1136         * include/std/type_traits (_GLIBCXX_NO_BUILTIN_HAS_UNIQ_OBJ_REP):
1137         Replace with _GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP and use
1138         __is_identifier to set it.
1139
1140 2017-08-09  Katsuhiko Nishimra  <ktns.87@gmail.com>
1141
1142         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Use
1143         __is_identifier instead of __has_builtin.
1144
1145 2017-08-09  Jonathan Wakely  <jwakely@redhat.com>
1146
1147         PR libstdc++/79820
1148         PR libstdc++/81751
1149         * config/io/basic_file_stdio.cc (sys_open(FILE*, ios_base::openmode)):
1150         Call fflush on the stream instead of calling sync() while _M_cfile is
1151         null. Restore original value of errno.
1152         * testsuite/ext/stdio_filebuf/char/79820.cc: New.
1153         * testsuite/ext/stdio_filebuf/char/81751.cc: New.
1154
1155 2017-07-31  Marek Polacek  <polacek@redhat.com>
1156
1157         PR libstdc++/81599
1158         * include/bits/stl_stack.h: Fix typo.
1159
1160 2017-07-26  Jonathan Wakely  <jwakely@redhat.com>
1161
1162         * testsuite/27_io/basic_fstream/53984.cc: Fix test.
1163
1164 2017-07-26  Paolo Carlini  <paolo.carlini@oracle.com>
1165
1166         * testsuite/27_io/basic_fstream/53984.cc: Fix typo in dg-require
1167         directive.
1168
1169 2017-07-25  Jonathan Wakely  <jwakely@redhat.com>
1170
1171         PR libstdc++/53984
1172         * include/bits/basic_ios.h (basic_ios::_M_setstate): Adjust comment.
1173         * include/bits/istream.tcc (basic_istream::sentry): Handle exceptions
1174         during construction.
1175         * include/std/istream: Adjust comments for formatted input functions
1176         and unformatted input functions.
1177         * testsuite/27_io/basic_fstream/53984.cc: New.
1178         * testsuite/27_io/basic_istream/sentry/char/53984.cc: New.
1179
1180         * include/bits/ios_base.h (ios_base::io_state, ios_base::open_mode)
1181         (ios_base::seek_dir): Remove for C++17.
1182         * include/std/streambuf (basic_streambuf::stossc): Remove for C++17.
1183         Add deprecated attribute for C++11 and C++14.
1184         * testsuite/27_io/types/1.cc: Don't run for C++17 and later.
1185         * testsuite/27_io/types/4.cc: New.
1186
1187 2017-07-23  Michael Collison  <michael.collison@arm.com>
1188
1189         Add optimized implementation of mersenne twister for aarch64
1190         * config/cpu/aarch64/opt/ext/opt_random.h: New file.
1191         (__arch64_recursion): New function.
1192         (__aarch64_lsr_128): New function.
1193         (__aarch64_lsl_128): New function.
1194         (operator==): New function.
1195         (simd_fast_mersenne_twister_engine): Implement
1196         method _M_gen_rand.
1197         * config/cpu/aarch64/opt/bits/opt_random.h: New file.
1198         * include/ext/random: (simd_fast_mersenne_twister_engine):
1199         add _M_state private array.
1200
1201 2017-07-23  François Dumont  <fdumont@gcc.gnu.org>
1202
1203         PR libstdc++/81064
1204         * include/bits/algorithmfwd.h: Reorganize versioned namespace.
1205         * include/bits/basic_string.h: Likewise.
1206         * include/bits/c++config: Likewise.
1207         * include/bits/deque.tcc: Likewise.
1208         * include/bits/forward_list.h: Likewise.
1209         * include/bits/forward_list.tcc: Likewise.
1210         * include/bits/hashtable_policy.h: Likewise.
1211         * include/bits/list.tcc: Likewise.
1212         * include/bits/move.h: Likewise.
1213         * include/bits/quoted_string.h: Likewise.
1214         * include/bits/random.h: Likewise.
1215         * include/bits/random.tcc: Likewise.
1216         * include/bits/regex.h: Likewise.
1217         * include/bits/regex.tcc: Likewise.
1218         * include/bits/regex_automaton.h: Likewise.
1219         * include/bits/regex_automaton.tcc: Likewise.
1220         * include/bits/regex_compiler.h: Likewise.
1221         * include/bits/regex_compiler.tcc: Likewise.
1222         * include/bits/regex_constants.h: Likewise.
1223         * include/bits/regex_error.h: Likewise.
1224         * include/bits/regex_executor.h: Likewise.
1225         * include/bits/regex_executor.tcc: Likewise.
1226         * include/bits/regex_scanner.h: Likewise.
1227         * include/bits/regex_scanner.tcc: Likewise.
1228         * include/bits/specfun.h: Likewise.
1229         * include/bits/stl_algo.h: Likewise.
1230         * include/bits/stl_algobase.h: Likewise.
1231         * include/bits/stl_bvector.h: Likewise.
1232         * include/bits/stl_deque.h: Likewise.
1233         * include/bits/stl_iterator.h: Likewise.
1234         * include/bits/stl_iterator_base_funcs.h: Likewise.
1235         * include/bits/stl_list.h: Likewise.
1236         * include/bits/stl_map.h: Likewise.
1237         * include/bits/stl_multimap.h: Likewise.
1238         * include/bits/stl_multiset.h: Likewise.
1239         * include/bits/stl_relops.h: Likewise.
1240         * include/bits/stl_set.h: Likewise.
1241         * include/bits/stl_vector.h: Likewise.
1242         * include/bits/uniform_int_dist.h: Likewise.
1243         * include/bits/unordered_map.h: Likewise.
1244         * include/bits/unordered_set.h: Likewise.
1245         * include/bits/vector.tcc: Likewise.
1246         * include/c_global/cmath: Likewise.
1247         * include/c_std/cmath: Likewise.
1248         * include/decimal/decimal: Likewise.
1249         * include/decimal/decimal.h: Likewise.
1250         * include/experimental/algorithm: Likewise.
1251         * include/experimental/any: Likewise.
1252         * include/experimental/array: Likewise.
1253         * include/experimental/bits/erase_if.h: Likewise.
1254         * include/experimental/bits/fs_dir.h: Likewise.
1255         * include/experimental/bits/fs_fwd.h: Likewise.
1256         * include/experimental/bits/fs_ops.h: Likewise.
1257         * include/experimental/bits/fs_path.h: Likewise.
1258         * include/experimental/bits/lfts_config.h: Likewise.
1259         * include/experimental/bits/shared_ptr.h: Likewise.
1260         * include/experimental/bits/string_view.tcc: Likewise.
1261         * include/experimental/chrono: Likewise.
1262         * include/experimental/deque: Likewise.
1263         * include/experimental/filesystem: Likewise.
1264         * include/experimental/forward_list: Likewise.
1265         * include/experimental/functional: Likewise.
1266         * include/experimental/iterator: Likewise.
1267         * include/experimental/list: Likewise.
1268         * include/experimental/map: Likewise.
1269         * include/experimental/memory: Likewise.
1270         * include/experimental/memory_resource: Likewise.
1271         * include/experimental/numeric: Likewise.
1272         * include/experimental/optional: Likewise.
1273         * include/experimental/propagate_const: Likewise.
1274         * include/experimental/random: Likewise.
1275         * include/experimental/ratio: Likewise.
1276         * include/experimental/regex: Likewise.
1277         * include/experimental/set: Likewise.
1278         * include/experimental/source_location: Likewise.
1279         * include/experimental/string: Likewise.
1280         * include/experimental/string_view: Likewise.
1281         * include/experimental/system_error: Likewise.
1282         * include/experimental/tuple: Likewise.
1283         * include/experimental/type_traits: Likewise.
1284         * include/experimental/unordered_map: Likewise.
1285         * include/experimental/unordered_set: Likewise.
1286         * include/experimental/utility: Likewise.
1287         * include/experimental/vector: Likewise.
1288         * include/ext/bitmap_allocator.h: Likewise.
1289         * include/ext/codecvt_specializations.h: Likewise.
1290         * include/ext/rope: Likewise.
1291         * include/ext/typelist.h: Likewise.
1292         * include/std/chrono: Likewise.
1293         * include/std/complex: Likewise.
1294         * include/std/functional: Likewise.
1295         * include/std/numeric: Likewise.
1296         * include/std/string_view: Likewise.
1297         * include/std/thread: Likewise.
1298         * include/std/variant: Likewise.
1299         * include/tr1/array: Likewise.
1300         * include/tr1/bessel_function.tcc: Likewise.
1301         * include/tr1/beta_function.tcc: Likewise.
1302         * include/tr1/cmath: Likewise.
1303         * include/tr1/complex: Likewise.
1304         * include/tr1/ell_integral.tcc: Likewise.
1305         * include/tr1/exp_integral.tcc: Likewise.
1306         * include/tr1/functional: Likewise.
1307         * include/tr1/functional_hash.h: Likewise.
1308         * include/tr1/gamma.tcc: Likewise.
1309         * include/tr1/hashtable.h: Likewise.
1310         * include/tr1/hashtable_policy.h: Likewise.
1311         * include/tr1/hypergeometric.tcc: Likewise.
1312         * include/tr1/legendre_function.tcc: Likewise.
1313         * include/tr1/modified_bessel_func.tcc: Likewise.
1314         * include/tr1/poly_hermite.tcc: Likewise.
1315         * include/tr1/poly_laguerre.tcc: Likewise.
1316         * include/tr1/random.h: Likewise.
1317         * include/tr1/random.tcc: Likewise.
1318         * include/tr1/regex: Likewise.
1319         * include/tr1/riemann_zeta.tcc: Likewise.
1320         * include/tr1/shared_ptr.h: Likewise.
1321         * include/tr1/special_function_util.h: Likewise.
1322         * include/tr1/tuple: Likewise.
1323         * include/tr1/type_traits: Likewise.
1324         * include/tr1/unordered_map.h: Likewise.
1325         * include/tr1/unordered_set.h: Likewise.
1326         * include/tr1/utility: Likewise.
1327         * include/tr2/bool_set: Likewise.
1328         * include/tr2/bool_set.tcc: Likewise.
1329         * include/tr2/dynamic_bitset: Likewise.
1330         * include/tr2/dynamic_bitset.tcc: Likewise.
1331         * include/tr2/ratio: Likewise.
1332         * include/tr2/type_traits: Likewise.
1333         * src/c++11/chrono.cc: Likewise.
1334         * src/c++11/compatibility-c++0x.cc: Likewise.
1335         * src/c++11/compatibility-chrono.cc: Likewise.
1336         * src/c++11/cxx11-shim_facets.cc: Likewise.
1337         * src/c++11/hashtable_c++0x.cc: Likewise.
1338         * src/c++11/placeholders.cc: Likewise.
1339         * src/c++11/thread.cc: Likewise.
1340         * src/c++98/bitmap_allocator.cc: Likewise.
1341         * src/c++98/hashtable_tr1.cc: Likewise.
1342         * src/c++98/list.cc: Likewise.
1343         * src/shared/hashtable-aux.cc: Likewise.
1344         * testsuite/20_util/duration/literals/range.cc: Adapt line number.
1345         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1346         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1347         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1348         * testsuite/20_util/forward/c_neg.cc: Likewise.
1349         * testsuite/20_util/forward/f_neg.cc: Likewise.
1350         * testsuite/26_numerics/gcd/gcd_neg.cc: Likewise.
1351         * testsuite/26_numerics/lcm/lcm_neg.cc: Likewise.
1352         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1353         * python/libstdcxx/v6/printers.py: Adapt.
1354
1355 2017-07-20  Jonathan Wakely  <jwakely@redhat.com>
1356
1357         * config/allocator/malloc_allocator_base.h [__SANITIZE_ADDRESS__]
1358         (_GLIBCXX_SANITIZE_STD_ALLOCATOR): Define.
1359         * config/allocator/new_allocator_base.h [__SANITIZE_ADDRESS__]
1360         (_GLIBCXX_SANITIZE_STD_ALLOCATOR): Define.
1361         * doc/xml/manual/using.xml (_GLIBCXX_SANITIZE_VECTOR): Document macro.
1362         * include/bits/stl_vector.h [_GLIBCXX_SANITIZE_VECTOR]
1363         (_Vector_impl::_Asan, _Vector_impl::_Asan::_Reinit)
1364         (_Vector_impl::_Asan::_Grow, _GLIBCXX_ASAN_ANNOTATE_REINIT)
1365         (_GLIBCXX_ASAN_ANNOTATE_GROW, _GLIBCXX_ASAN_ANNOTATE_GREW)
1366         (_GLIBCXX_ASAN_ANNOTATE_SHRINK, _GLIBCXX_ASAN_ANNOTATE_BEFORE_DEALLOC):
1367         Define annotation helper types and macros.
1368         (vector::~vector, vector::push_back, vector::pop_back)
1369         (vector::_M_erase_at_end): Add annotations.
1370         * include/bits/vector.tcc (vector::reserve, vector::emplace_back)
1371         (vector::insert, vector::_M_erase, vector::operator=)
1372         (vector::_M_fill_assign, vector::_M_assign_aux)
1373         (vector::_M_insert_rval, vector::_M_emplace_aux)
1374         (vector::_M_insert_aux, vector::_M_realloc_insert)
1375         (vector::_M_fill_insert, vector::_M_default_append)
1376         (vector::_M_shrink_to_fit, vector::_M_range_insert): Annotate.
1377
1378 2017-07-19  Jonathan Wakely  <jwakely@redhat.com>
1379
1380         PR libstdc++/81476
1381         * include/bits/vector.tcc (vector::_M_range_insert<_InputIterator>):
1382         Only insert elements one-by-one when inserting at the end.
1383         * testsuite/performance/23_containers/insert/81476.cc: New.
1384
1385 2017-07-19  Volker Reichelt  <v.reichelt@netcologne.de>
1386
1387         * libsupc++/new (bad_array_new_length): Remove redundant
1388         semicolon after in-class member function definition.
1389         * include/bits/locale_facets.h (ctype_byname, num_put): Likewise.
1390         * include/bits/locale_facets_nonio.h (time_put_byname): Likewise.
1391         * include/bits/random.h (mersenne_twister_engine): Likewise.
1392         * include/tr1/random.h (mersenne_twister): Likewise
1393         * include/ext/random (simd_fast_mersenne_twister_engine): Likewise.
1394         * include/ext/rope (char_producer, _Rope_char_consumer,
1395         _Rope_self_destruct_ptr, _Rope_const_iterator, _Rope_iterator):
1396         Likewise.
1397         * include/ext/ropeimpl.h (_Rope_flatten_char_consumer,
1398         _Rope_insert_char_consumer): Likewise.
1399
1400 2017-07-19  Jonathan Wakely  <jwakely@redhat.com>
1401
1402         * include/bits/fstream.tcc (basic_filebuf::xsgetn)
1403         (basic_filebuf::xsputn, basic_filebuf::seekoff): Fix indentation.
1404
1405         * testsuite/util/testsuite_iterators.h: Fix indentation.
1406
1407         * testsuite/27_io/basic_filebuf/sgetn/char/81395.cc: Add dg-require.
1408
1409 2017-07-18  Jonathan Wakely  <jwakely@redhat.com>
1410
1411         PR libstdc++/81395
1412         * include/bits/fstream.tcc (basic_filebuf::xsgetn): Don't set buffer
1413         pointers for write mode after reading.
1414         * testsuite/27_io/basic_filebuf/sgetn/char/81395.cc: New.
1415
1416 2017-07-18  François Dumont  <fdumont@gcc.gnu.org>
1417
1418         * include/bits/stl_list.h
1419         (struct _List_node_header): New.
1420         (_List_impl()): Fix noexcept qualification.
1421         (_List_impl(_List_impl&&)): New, default.
1422         (_List_base()): Default.
1423         (_List_base(_List_base&&)): Default.
1424         (_List_base::_M_move_nodes): Adapt to use
1425         _List_node_header._M_move_nodes.
1426         (_List_base::_M_init): Likewise.
1427         (list<>()): Default.
1428         (list<>(list&&)): Default.
1429         (list<>::_M_move_assign(list&&, true_type)): Use _M_move_nodes.
1430         (__distance(_List_const_iterator<>, _List_const_iterator<>,
1431         input_iterator_tag)): Adapt.
1432         * testsuite/23_containers/list/allocator/default_init.cc: New.
1433
1434 2017-07-15  Jonathan Wakely  <jwakely@redhat.com>
1435
1436         * include/std/mutex (scoped_lock): Reorder std::adopt_lock_t parameter
1437         as per P0739R0.
1438         * testsuite/30_threads/scoped_lock/cons/1.cc: Reorder arguments.
1439         * testsuite/30_threads/scoped_lock/cons/deduction.cc: Test deduction
1440         with std::adopt_lock_t.
1441         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Check
1442         feature-test macro.
1443
1444 2017-07-14  Jason Merrill  <jason@redhat.com>
1445             Jonathan Wakely  <jwakely@redhat.com>
1446
1447         * include/std/variant (variant::variant(_Tp&&)): Constrain to remove
1448         the constructor for empty variants from the candidate functions
1449         during class template argument deduction.
1450         * testsuite/20_util/variant/deduction.cc: New.
1451
1452 2017-07-11  Jonathan Wakely  <jwakely@redhat.com>
1453
1454         * doc/xml/faq.xml: Update several old entries. Improve
1455         cross-references.
1456         * doc/xml/manual/intro.xml: Add anchors to each DR.
1457         * doc/html/*: Regenerate.
1458
1459 2017-07-10  Jonathan Wakely  <jwakely@redhat.com>
1460
1461         * testsuite/abi/pr42230.cc: Add header for std::free.
1462
1463         PR libstdc++/81381
1464         * include/bits/sstream.tcc (basic_stringbuf::overflow)
1465         (basic_stringbuf::basic_stringbuf(const __string_type&, ios::mode))
1466         (basic_stringbuf::str()): Construct new strings with an allocator.
1467         * testsuite/27_io/basic_stringbuf/cons/81381.cc: New.
1468
1469         PR libstdc++/81338
1470         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
1471         Declare basic_stringbuf to be a friend.
1472         * include/bits/sstream.tcc (basic_stringbuf::overflow)
1473         [_GLIBCXX_USE_CXX11_ABI]: Use unused capacity before reallocating.
1474         * include/std/sstream (basic_stringbuf::__xfer_bufptrs): Update string
1475         length to buffer length.
1476         * testsuite/27_io/basic_stringstream/assign/81338.cc: New.
1477
1478 2017-07-06  Jonathan Wakely  <jwakely@redhat.com>
1479
1480         * testsuite/20_util/specialized_algorithms/memory_management_tools/
1481         1.cc: Free memory.
1482         * testsuite/22_locale/locale/cons/5.cc: Remove redundant restoration
1483         of original environment and free memory.
1484
1485         * testsuite/abi/pr42230.cc: Free memory.
1486         * testsuite/util/testsuite_abi.cc (demangle): Return std::string
1487         instead of pointer that might need freeing.
1488         * testsuite/util/testsuite_abi.h (demangle): Likewise.
1489         * testsuite/util/testsuite_hooks.cc (verify_demangle): Free memory.
1490
1491         * include/bits/uses_allocator.h (__use_alloc(const _Alloc&&)): Add
1492         deleted overload to prevent dangling references to rvalues.
1493         * include/experimental/memory_resource
1494         (polymorphic_allocator::construct): Do not call __use_alloc with
1495         rvalue arguments.
1496
1497 2017-06-27  Tim Shen  <timshen@google.com>
1498
1499         PR libstdc++/80187
1500         * include/std/variant (variant::variant, variant::~variant,
1501         variant::operator=): Implement triviality forwarding for four
1502         special member functions.
1503         * testsuite/20_util/variant/compile.cc: Tests.
1504
1505 2017-06-27  Jonathan Wakely  <jwakely@redhat.com>
1506
1507         PR libstdc++/81221
1508         * testsuite/25_algorithms/sample/81221.cc: Disable except for
1509         check-parallel.
1510
1511         PR libstdc++/81221
1512         * include/bits/stl_algo.h (sample): Qualify with _GLIBCXX_STD_A not
1513         std.
1514         * testsuite/25_algorithms/sample/81221.cc: New.
1515
1516 2017-06-22  Jonathan Wakely  <jwakely@redhat.com>
1517
1518         PR libstdc++/81173
1519         * include/bits/stl_bvector.h (vector<bool>::_M_initialize_value):
1520         Do not pass null pointer to memset.
1521
1522 2017-06-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
1523
1524         PR libstdc++/80675
1525         PR libstdc++/80940
1526         * include/std/istream:
1527         (__is_convertible_to_basic_istream_test(basic_istream<_Ch, _Up>*)): New.
1528         (__do_is_convertible_to_basic_istream_impl): Likewise.
1529         (__is_convertible_to_basic_istream_impl): Likewise.
1530         (__is_convertible_to_basic_istream): Use the new base.
1531         (__rvalue_istream_type): New.
1532         (operator>>(_Istream&&, _Tp&&)): Use the new helper alias
1533         for the SFINAE check, convert to the helper alias type before
1534         doing the actual extraction.
1535         * include/std/ostream:
1536         (__is_convertible_to_basic_ostream_test(basic_ostream<_Ch, _Up>*)): New.
1537         (__do_is_convertible_to_basic_ostream_impl): Likewise.
1538         (__is_convertible_to_basic_ostream_impl): Likewise.
1539         (__is_convertible_to_basic_ostream): Use the new base.
1540         (__rvalue_ostream_type): New.
1541         (operator<<(_Ostream&&, const _Tp&)): Use the new helper alias
1542         for the SFINAE check, convert to the helper alias type before
1543         doing the actual insertion.
1544         * testsuite/27_io/rvalue_streams-2.cc: Add new tests.
1545
1546 2017-06-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1547
1548         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Update.
1549
1550 2017-06-21  Jonathan Wakely  <jwakely@redhat.com>
1551
1552         PR libstdc++/81092
1553         * configure: Regenerate.
1554
1555 2017-06-20  Uros Bizjak  <ubizjak@gmail.com>
1556
1557         * config/abi/post/alpha-linux-gnu/baseline_symbols.txt: Update.
1558
1559 2017-06-20  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1560
1561         * testsuite/20_util/variant/index_type.cc: Allow for all ilp32 and
1562         lp64 targets.
1563
1564 2017-06-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1565
1566         * config/abi/post/i386-solaris2.10/baseline_symbols.txt: Regenerate.
1567         * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: Likewise.
1568         * config/abi/post/i386-solaris2.11/baseline_symbols.txt: Likewise.
1569         * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: Likewise.
1570         * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: Likewise.
1571         * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
1572         Likewise.
1573         * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: Likewise.
1574         * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
1575         Likewise.
1576
1577 2017-06-18  H.J. Lu  <hongjiu.lu@intel.com>
1578
1579         PR libstdc++/81092
1580         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
1581
1582 2017-06-18  Andreas Schwab  <schwab@linux-m68k.org>
1583
1584         PR libstdc++/81092
1585         * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Update.
1586
1587 2017-06-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1588
1589         * testsuite: Remove dg-skip-if, dg-xfail-if, dg-xfail-run-if
1590         default args.
1591
1592 2017-06-17  Jonathan Wakely  <jwakely@redhat.com>
1593
1594         PR libstdc++/80893
1595         * testsuite/23_containers/vector/bool/80893.cc: Add { target c++11 }.
1596
1597 2017-06-16  Jonathan Wakely  <jwakely@redhat.com>
1598
1599         * include/bits/shared_ptr.h (get_deleter): Add overload matching
1600         standard signature.
1601         * include/bits/shared_ptr_base.h (__shared_ptr): Declare new
1602         get_deleter overload as a friend.
1603         * testsuite/20_util/shared_ptr/misc/get_deleter.cc: New.
1604
1605 2017-06-16  Jakub Jelinek  <jakub@redhat.com>
1606
1607         PR libstdc++/81092
1608         * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Update.
1609         * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1610         * config/abi/post/powerpc64-linux-gnu/32/baseline_symbols.txt: Update.
1611
1612 2017-06-16  Jonathan Wakely  <jwakely@redhat.com>
1613
1614         * include/bits/locale_conv.h (wbuffer_convert::sync): Fix condition.
1615         * testsuite/22_locale/conversions/buffer/2.cc: New.
1616
1617         PR libstdc++/81092
1618         * acinclude.m4: Bump libtool_VERSION.
1619         * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Update.
1620         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Update.
1621         * config/abi/pre/gnu.ver: Add wstring constructor symbols to
1622         GLIBCXX_3.4.24 version and move random_device::_M_get_entropy() symbol
1623         to new GLIBCXX_3.4.25 version.
1624         * doc/xml/manual/abi.xml: Document new versions.
1625         * doc/html/*: Regenerate.
1626         * testsuite/21_strings/basic_string/cons/char/8.cc: Use base object
1627         constructors to ensure required symbols are exported.
1628         * testsuite/21_strings/basic_string/cons/wchar_t/8.cc: Likewise.
1629         * testsuite/util/testsuite_abi.cc: Add new version.
1630
1631         * include/bits/locale_conv.h (wbuffer_convert::_M_put): Add missing
1632         return statement.
1633         * testsuite/21_strings/basic_string_view/operations/copy/char/1.cc:
1634         Return void.
1635         * testsuite/21_strings/basic_string_view/operations/copy/wchar_t/1.cc:
1636         Likewise.
1637         * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc: Add
1638         missing return statements.
1639         * testsuite/23_containers/unordered_map/modifiers/insert_or_assign.cc:
1640         Likewise.
1641         * testsuite/27_io/basic_istream/extractors_arithmetic/char/12.cc:
1642         Return void.
1643         * testsuite/special_functions/14_expint/pr68397.cc: Likewise.
1644
1645 2017-06-16  François Dumont  <fdumont@gcc.gnu.org>
1646
1647         * include/bits/stl_bvector.h
1648         (__fill_bvector(_Bit_type*, unsigned int, unsigned int, bool)):
1649         Change signature.
1650         (std::fill(_Bit_iterator, _Bit_iterator, bool)): Adapt.
1651         (_Bvector_impl_data): New.
1652         (_Bvector_impl): Inherits from latter.
1653         (_Bvector_impl(_Bit_alloc_type&&)): Delete.
1654         (_Bvector_impl(_Bvector_impl&&)): New, default.
1655         (_Bvector_base()): Default.
1656         (_Bvector_base(_Bvector_base&&)): Default.
1657         (_Bvector_base::_M_move_data(_Bvector_base&&)): New.
1658         (vector(vector&&, const allocator_type&)): Use latter.
1659         (vector<bool>::operator=(vector&&)): Likewise.
1660         (vector<bool>::vector()): Default.
1661         (vector<bool>::vector(vector&&)): Default.
1662         (vector<bool>::assign(_InputIterator, _InputIterator)): Use
1663         _M_assign_aux.
1664         (vector<bool>::assign(initializer_list<bool>)): Likewise.
1665         (vector<bool>::_M_initialize_value(bool)): New.
1666         (vector<bool>(size_type, const bool&, const allocator_type&)): Use
1667         latter.
1668         (vector<bool>::_M_initialize_dispatch(_Integer, _Integer, __true_type)):
1669         Likewise.
1670         (vector<bool>::_M_fill_assign(size_t, bool)): Likewise.
1671
1672 2017-06-15  François Dumont  <fdumont@gcc.gnu.org>
1673
1674         * src/c++98/tree.cc  [!_GLIBCXX_INLINE_VERSION]
1675         (_Rb_tree_rotate_left, _Rb_tree_rotate_right): Delete.
1676
1677 2017-06-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1678
1679         * testsuite: Add dg-require-effective-target pthread to -pthread
1680         tests.
1681         Remove explicit target lists from dg-do and dg-options.
1682
1683         * testsuite/30_threads/async/forced_unwind.cc: Remove explit
1684         target list from dg-options.
1685         * testsuite/30_threads/packaged_task/forced_unwind.cc: Likewise.
1686
1687         * 30_threads/shared_mutex/cons/1.cc: Likewise.
1688         Pass -pthread for all targets.
1689         * 30_threads/shared_mutex/try_lock/1.cc: Likewise.
1690         * 30_threads/shared_mutex/try_lock/2.cc: Likewise.
1691         * 30_threads/shared_mutex/unlock/1.cc: Likewise.
1692
1693         * testsuite/30_threads/this_thread/57060.cc: Require c++11 via
1694         dg-require-effective-target.
1695
1696 2017-06-14  Jonathan Wakely  <jwakely@redhat.com>
1697
1698         * doc/xml/manual/test.xml: Correct instructions on running tests.
1699         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Adjust to
1700         pass when -D_GLIBCXX_USE_CXX11_ABI=0 added to RUNTESTFLAGS.
1701         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1702         Likewise.
1703         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Likewise.
1704         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
1705         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
1706         exceptions_failbit.cc: Likewise.
1707         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
1708         exceptions_failbit.cc: Likewise.
1709         * testsuite/27_io/basic_istream/extractors_other/char/
1710         exceptions_null.cc: Likewise.
1711         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
1712         exceptions_null.cc: Likewise.
1713         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
1714         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
1715         * testsuite/27_io/basic_ostream/inserters_other/char/
1716         exceptions_null.cc: Likewise.
1717         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
1718         exceptions_null.cc: Likewise.
1719         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
1720
1721 2017-06-12  Pedro Alves  <palves@redhat.com>
1722
1723         * doc/xml/manual/status_cxx2017.xml: Update C++17 constexpr
1724         char_traits status.
1725         * doc/html/*: Regenerate.
1726
1727         * include/bits/char_traits.h (_GLIBCXX_ALWAYS_INLINE): Define if
1728         not already defined.
1729         (__cpp_lib_constexpr_char_traits): Uncomment.
1730         (__constant_string_p, __constant_char_array_p): New.
1731         (std::char_traits<char>, std::char_traits<wchar_t>): Add
1732         _GLIBCXX17_CONSTEXPR on compare, length and find and use
1733         __constant_string_p, __constant_char_array_p and
1734         __builtin_constant_p to defer to __gnu_cxx::char_traits at compile
1735         time.
1736
1737         * testsuite/21_strings/char_traits/requirements/
1738         constexpr_functions_c++17.cc: Uncomment
1739         __cpp_lib_constexpr_char_traits tests.  Uncomment
1740         test_compare<char>, test_length<char>, test_find<char>,
1741         test_compare<wchar_t>, test_length<wchar_t> and test_find<wchar_t>
1742         static_assert tests.
1743
1744 2017-06-12  François Dumont  <fdumont@gcc.gnu.org>
1745
1746         * include/bits/stl_tree.h (_Rb_tree_impl()): Restore _Node_allocator
1747         default init.
1748         * testsuite/util/testsuite_allocator.h
1749         (__gnu_test::default_init_allocator<>) New.
1750         * testsuite/23_containers/set/allocator/default_init.cc: New.
1751         * testsuite/23_containers/map/allocator/default_init.cc: New.
1752
1753 2017-06-12  Jonathan Wakely  <jwakely@redhat.com>
1754
1755         PR libstdc++/55917
1756         * src/c++11/thread.cc (execute_native_thread_routine): Remove
1757         try-block so that exceptions propagate out of the thread and terminate
1758         is called by the exception-handling runtime.
1759         (execute_native_thread_routine_compat): Likewise.
1760         * testsuite/30_threads/thread/cons/terminate.cc: New.
1761
1762 2017-06-09  Jonathan Wakely  <jwakely@redhat.com>
1763
1764         * doc/xml/manual/intro.xml: Document LWG 2802, 2873 and 2942 changes.
1765         * include/bits/shared_ptr.h (shared_ptr): Use rvalues for deleters
1766         (LWG 2802).
1767         * include/bits/shared_ptr_base.h (_Sp_ebo_helper, _Sp_counted_deleter
1768         (_Sp_counted_deleter::_Impl, __shared_count, __shared_ptr): Likewise.
1769         * testsuite/20_util/shared_ptr/cons/lwg2802.cc: New.
1770
1771         * include/bits/forward_list.h (forward_list): Add deduction guide.
1772         * include/bits/stl_deque.h (deque): Likewise.
1773         * include/bits/stl_list.h (list): Likewise.
1774         * include/bits/stl_vector.h (vector): Likewise.
1775         * testsuite/23_containers/deque/cons/deduction.cc: New.
1776         * testsuite/23_containers/forward_list/cons/deduction.cc: New.
1777         * testsuite/23_containers/list/cons/deduction.cc: New.
1778         * testsuite/23_containers/vector/cons/deduction.cc: New.
1779
1780 2017-06-08  Jonathan Wakely  <jwakely@redhat.com>
1781
1782         PR libstdc++/81017
1783         * include/bits/std_function.h (function::function(function&&))
1784         (function::operator=(funtion&&)): Add noexcept.
1785         * testsuite/20_util/function/assign/move.cc: Check for noexcept.
1786         * testsuite/20_util/function/cons/move.cc: Likewise.
1787
1788 2017-06-07  Jonathan Wakely  <jwakely@redhat.com>
1789
1790         * include/bits/regex.h (basic_regex): Add deduction guide from P0433.
1791         * testsuite/28_regex/basic_regex/ctors/deduction.cc: New.
1792
1793         PR libstdc++/81002
1794         * include/bits/regex.h (basic_regex): Adjust call to __compile_nfa
1795         so iterator type is deduced.
1796         * include/bits/regex_compiler.h (__compile_nfa): Reorder template
1797         parameters to allow iterator type to be deduced.
1798         * testsuite/28_regex/basic_regex/ctors/basic/iter.cc: New.
1799
1800         * include/bits/alloc_traits.h (__is_allocator, _RequireAllocator):
1801         New trait and alias for detecting Allocator-like types.
1802         * include/bits/basic_string.h (basic_string): Add deduction guide
1803         from P0433.
1804         * include/ext/alloc_traits.h (__gnu_cxx::__alloc_traits): Add template
1805         parameter with default template argument that causes substitution
1806         failures for types that cannot be allocators.
1807         * testsuite/21_strings/basic_string/cons/char/deduction.cc: New.
1808         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc: New.
1809
1810 2017-06-02  Jonathan Wakely  <jwakely@redhat.com>
1811
1812         PR libstdc++/80939
1813         * include/std/variant (__erased_ctor, __erased_assign, __erased_swap)
1814         (__erased_hash): Remove constexpr specifier and qualify calls to
1815         __ref_cast.
1816         (__erased_dtor): Remove constexpr specifier and use _Destroy.
1817
1818 2017-06-05  Jonathan Wakely  <jwakely@redhat.com>
1819
1820         * include/bits/stl_iterator_base_funcs.h
1821         (__advance<_RandomAccessIterator, _Distance>): Optimize for next/prev
1822         cases where incrementing or decrementing a single step.
1823
1824         * include/bits/shared_ptr_base.h (__shared_ptr::owner_before)
1825         (__weak_ptr::owner_before, _Sp_owner_less::operator()): Add noexcept
1826         specifiers as per LWG 2873 and LWG 2942.
1827         * testsuite/20_util/owner_less/noexcept.cc: New.
1828         * testsuite/20_util/shared_ptr/observers/owner_before.cc: Test
1829         noexcept guarantees.
1830         * testsuite/20_util/weak_ptr/observers/owner_before.cc: Likewise.
1831
1832 2017-06-03  Andreas Schwab  <schwab@linux-m68k.org>
1833
1834         * config/abi/post/powerpc-linux-gnu/baseline_symbols.txt: Update.
1835
1836 2017-06-03  Eric Botcazou  <ebotcazou@adacore.com>
1837
1838         * src/filesystem/dir.cc (fs::_Dir::advance): Use std::exchange.
1839
1840 2017-06-02  Jonathan Wakely  <jwakely@redhat.com>
1841
1842         PR libstdc++/80624
1843         * doc/xml/manual/status_cxx2011.xml: Document to_int_type behaviour.
1844         * include/bits/char_traits.h (char_traits<char16_t>::to_int_type):
1845         Transform eof value to U+FFFD.
1846         * testsuite/21_strings/char_traits/requirements/char16_t/eof.cc: New.
1847         * testsuite/27_io/basic_streambuf/sgetc/char16_t/80624.cc: New.
1848         * testsuite/27_io/basic_streambuf/sputc/char16_t/80624.cc: New.
1849
1850         * libsupc++/Makefile.am: Remove custom targets for files that need to
1851         be compiled as C++11 or C++14.
1852         * libsupc++/Makefile.in: Regenerate.
1853         * libsupc++/del_ops.cc: Use pragma to disable -Wsized-deallocation
1854         warnings.
1855         * libsupc++/del_opvs.cc: Likewise.
1856
1857 2017-06-02  Richard Biener  <rguenther@suse.de>
1858         Markus Eisenmann  <meisenmann.lba@fh-salzburg.ac.at>
1859
1860         PR libstdc++/80721
1861         * libsupc++/eh_alloc.cc (pool::free): Keep list properly
1862         sorted and add missing freelist item merging cases.
1863
1864 2017-06-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1865
1866         (GLIBCXX_CROSSCONFIG): Handle *-solaris* like *-linux* etc.
1867         Remove *-solaris* section.
1868         * configure: Regenerate.
1869
1870 2017-05-31  Jonathan Wakely  <jwakely@redhat.com>
1871
1872         PR libstdc++/80893
1873         * include/bits/stl_bvector.h (vector<bool>::_M_initialize): Avoid
1874         null pointer dereference when size is zero.
1875         * testsuite/23_containers/vector/bool/80893.cc: New.
1876         * testsuite/util/testsuite_allocator.h (PointerBase::PointerBase):
1877         Add non-explicit constructor from nullptr.
1878         (PointerBase::derived() const): Add const-qualified overload.
1879
1880 2017-05-20  Tim Shen  <timshen@google.com>
1881
1882         PR libstdc++/80737
1883         * include/std/variant(variant::variant): SFINAE on is_same first.
1884         * testsuite/20_util/variant/any.cc: test case.
1885
1886 2017-05-24  Jonathan Wakely  <jwakely@redhat.com>
1887
1888         * src/c++11/random.cc (random_device::_M_getentropy): Use __CHAR_BIT__
1889         instead of fixed number of bits.
1890
1891 2017-05-24  Andreas Schwab  <schwab@suse.de>
1892
1893         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
1894         * config/abi/post/m68k-linux-gnu/baseline_symbols.txt: Likewise.
1895
1896 2017-05-23  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
1897             Jonathan Wakely  <jwakely@redhat.com>
1898
1899         PR libstdc++/67578
1900         * acinclude.m4: Bump libtool_VERSION.
1901         * config/abi/pre/gnu.ver: Create GLIBCXX_3.4.24 with new symbol.
1902         * config.h.in: Regenerate.
1903         * configure: Regenerate.
1904         * configure.ac: Add test for <linux/random.h>.
1905         * doc/xml/manual/abi.xml: Document new library version.
1906         * include/bits/random.h (random_device::entropy)
1907         [_GLIBCXX_USE_RANDOM_TR1]: Add call to new _M_getentropy member.
1908         (random_device::_M_getentropy): Declare.
1909         * src/c++11/random.cc (random_device::_M_getentropy): Define.
1910         * testsuite/util/testsuite_abi.cc: Add GLIBCXX_3.4.24 to known
1911         versions, and make it the latest version.
1912
1913 2017-05-23  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
1914
1915         PR libstdc++/67214
1916         * include/bits/locale_facets.tcc (num_get::_M_extract_int): Add
1917         explicit conversion to avoid signed overflow.
1918
1919 2017-05-19  Jonathan Wakely  <jwakely@redhat.com>
1920
1921         PR libstdc++/80796
1922         * include/bits/stl_algo.h (search): Add new overload for C++17.
1923         * testsuite/25_algorithms/search/searcher.cc: New.
1924
1925 2017-05-18  Jonathan Wakely  <jwakely@redhat.com>
1926
1927         PR libstdc++/80478
1928         * include/std/functional (_Mem_fn_traits_base): Add specializations
1929         for noexcept member function types.
1930         * testsuite/20_util/function_objects/mem_fn/80478.cc: New test.
1931
1932 2017-05-18  Jonathan Wakely  <jwakely@redhat.com>
1933
1934         * doc/xml/manual/policy_data_structures.xml: Fix typo.
1935         * doc/xml/manual/test_policy_data_structures.xml: Likewise.
1936         * doc/html/*: Regenerate.
1937
1938         * doc/xml/manual/abi.xml: Document latest library versions.
1939         * doc/xml/manual/build_hacking.xml: Document requirement to update
1940         abi.xml when bumping library versions.
1941         * doc/html/*: Regenerate.
1942
1943 2017-05-17  Jonathan Wakely  <jwakely@redhat.com>
1944
1945         * include/bits/refwrap.h: Fix Doxygen warning.
1946         * include/bits/specfun.h: Likewise.
1947         * include/bits/std_function.h: Likewise.
1948         * include/bits/stl_algo.h (set_union, set_intersection)
1949         (set_difference, set_symmetric_difference): Add Doxygen @param tags
1950         for output iterator parameters.
1951         * include/bits/stl_iterator.h (inserter): Add Doxygen @param tag for
1952         iterator parameter.
1953         * include/std/mutex (try_lock, lock): Change Mutex to Lockable in
1954         Doxygen comments.
1955
1956 2017-05-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
1957
1958         Implement new C++ intrinsics __is_assignable and __is_constructible.
1959         * include/std/type_traits (__do_is_static_castable_impl): Remove.
1960         (__is_static_castable_impl, __is_static_castable_safe): Likewise.
1961         (__is_static_castable, __do_is_direct_constructible_impl): Likewise.
1962         (__is_direct_constructible_impl): Likewise.
1963         (__is_direct_constructible_new_safe): Likewise.
1964         (__is_base_to_derived_ref, __is_lvalue_to_rvalue_ref): Likewise.
1965         (__is_direct_constructible_ref_cast): Likewise.
1966         (__is_direct_constructible_new, __is_direct_constructible): Likewise.
1967         (__do_is_nary_constructible_impl): Likewise.
1968         (__is_nary_constructible_impl, __is_nary_constructible): Likewise.
1969         (__is_constructible_impl): Likewise.
1970         (is_constructible): Call the intrinsic.
1971         (__is_assignable_helper): Remove.
1972         (is_assignable): Call the intrinsic.
1973         (is_trivially_constructible): Likewise.
1974         (__is_trivially_copy_constructible_impl): New.
1975         (is_trivially_copy_constructible): Use it.
1976         (__is_trivially_move_constructible_impl): New.
1977         (is_trivially_move_constructible): Use it.
1978         (is_trivially_assignable): Call the intrinsic.
1979         (__is_trivially_copy_assignable_impl): New.
1980         (is_trivially_copy_assignable): Use it.
1981         (__is_trivially_move_assignable_impl): New.
1982         (is_trivially_move_assignable): Use it.
1983         (testsuite/20_util/declval/requirements/1_neg.cc): Adjust.
1984         (testsuite/20_util/is_trivially_copy_assignable/value.cc):
1985         Add test for void.
1986         (testsuite/20_util/is_trivially_copy_constructible/value.cc): Likewise.
1987         (testsuite/20_util/is_trivially_move_assignable/value.cc): Likewise.
1988         (testsuite/20_util/is_trivially_move_constructible/value.cc): Likewise.
1989         (testsuite/20_util/make_signed/requirements/typedefs_neg.cc): Adjust.
1990         (testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc):
1991         Likewise.
1992
1993 2017-05-16  Jonathan Wakely  <jwakely@redhat.com>
1994
1995         * testsuite/experimental/source_location/1.cc: Change expected result
1996         for source_location::current() used in default member initializer.
1997
1998         * doc/xml/manual/status_cxx2017.xml: Update status table.
1999         * doc/html/*: Regenerate.
2000         * include/Makefile.am: Add new header.
2001         * include/Makefile.in: Regenerate.
2002         * include/experimental/source_location: New header implementing N4519.
2003         * testsuite/experimental/source_location/1.cc: New test.
2004
2005         PR libstdc++/80285
2006         * include/bits/shared_ptr_base.h [!__cpp_rtti] (type_info): Declare
2007         outside versioned namespace.
2008
2009         * configure: Regenerate.
2010
2011 2017-05-16  Marc Glisse  <marc.glisse@inria.fr>
2012
2013         * include/std/optional (_Optional_base::_M_get): Check precondition.
2014         * testsuite/20_util/optional/cons/value_neg.cc: Update line numbers.
2015
2016 2017-05-16  Jonathan Wakely  <jwakely@redhat.com>
2017
2018         * doc/xml/manual/appendix_contributing.xml: Link to test docs and
2019         note higher DejaGnu version requirement.
2020         * doc/html/*: Regenerate.
2021
2022         * doc/xml/manual/appendix_contributing.xml: Link to the list of bad
2023         identifiers.
2024         * doc/html/*: Regenerate.
2025
2026 2017-05-15  Jonathan Wakely  <jwakely@redhat.com>
2027
2028         PR libstdc++/80761
2029         * include/bits/node_handle.h (_Node_insert_return): Reorder members.
2030         (tuple_size, tuple_element): Remove partial specializations.
2031         * include/bits/stl_tree.h (_Rb_tree::insert_return_type): Use
2032         const_iterator for std::set.
2033         * testsuite/23_containers/map/modifiers/extract.cc: New.
2034         * testsuite/23_containers/set/modifiers/extract.cc: New.
2035         * testsuite/23_containers/unordered_map/modifiers/extract.cc: New.
2036         * testsuite/23_containers/unordered_set/modifiers/extract.cc: New.
2037
2038 2017-05-12  Jonathan Wakely  <jwakely@redhat.com>
2039
2040         PR libstdc++/78939
2041         * include/std/utility (tuple_size<cv T>): Only define partial
2042         specializations when tuple_size<T>::value is valid.
2043         * testsuite/20_util/tuple/78939.cc: New.
2044         * testsuite/20_util/tuple/cv_tuple_size_neg.cc: New.
2045
2046 2017-05-11  François Dumont  <fdumont@gcc.gnu.org>
2047
2048         * include/bits/stl_tree.h [_GLIBCXX_INLINE_VERSION]
2049         (_Rb_tree_impl<>): Remove _Is_pod_comparator
2050         template parameter.
2051
2052         * include/debug/formatter.h [_GLIBCXX_INLINE_VERSION]
2053         (__gnu_debug::_Error_formatter::_Parameter::_M_print_field): Remove.
2054         (__gnu_debug::_Error_formatter::_Parameter::_M_print_description):
2055         Remove.
2056         (__gnu_debug::_Error_formatter::_M_format_word): Remove.
2057         (__gnu_debug::_Error_formatter::_M_print_word): Remove.
2058         (__gnu_debug::_Error_formatter::_M_print_string): Remove.
2059         (__gnu_debug::_Error_formatter::_M_get_max_length): Remove.
2060         * src/c++11/debug.cc: Adapt.
2061         * config/abi/pre/gnu-versioned-namespace.ver: Adapt.
2062
2063 2017-05-11  Jonathan Wakely  <jwakely@redhat.com>
2064
2065         * doc/xml/manual/allocator.xml: Fix ViewCVS URLs.
2066         * doc/xml/manual/mt_allocator.xml: Likewise.
2067         * doc/html/*: Regenerate.
2068
2069         PR libstdc++/80285
2070         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Define
2071         function to get unique fake std::type_info reference.
2072         (_Sp_counted_ptr_inplace::_M_get_deleter) [!__cpp_rtti]: Compare to
2073         _S_ti() fake reference.
2074         (__shared_ptr(_Sp_make_shared_tag, const Alloc&, Args&&...)): Share
2075         single implementation with or without RTTI enable.
2076         [!__cpp_rtti]: Pass fake reference to _M_get_deleter.
2077         * testsuite/20_util/shared_ptr/creation/alloc.cc: Change expected
2078         allocation and deallocation counts.
2079         * testsuite/20_util/shared_ptr/creation/single_allocation.cc: New.
2080         * testsuite/20_util/shared_ptr/creation/single_allocation_no_rtti.cc:
2081         New.
2082
2083 2017-05-10  François Dumont  <fdumont@gcc.gnu.org>
2084
2085         Bump version namespace.
2086         * config/abi/pre/gnu-versioned-namespace.ver: Bump version namespace
2087         from __7 to __8. Bump GLIBCXX_7.0 to GLIBCXX_8.0.
2088         * acinclude.m4 (libtool_VERSION): Bump to 8:0:0.
2089         * include/bits/c++config: Adapt.
2090         * include/bits/regex.h: Adapt.
2091         * include/experimental/bits/fs_fwd.h: Adapt.
2092         * include/experimental/bits/lfts_config.h: Adapt.
2093         * include/std/variant: Adapt.
2094         * python/libstdcxx/v6/printers.py: Adapt.
2095         * testsuite/libstdc++-prettyprinters/48362.cc: Adapt.
2096
2097         * include/bits/stl_algobase.h (std::__iter_swap<false>): Remove
2098         _GLIBCXX_MOVE usage.
2099
2100 2017-05-09  Jason Merrill  <jason@redhat.com>
2101
2102         * testsuite/24_iterators/container_access.cc (test03): Make il3 static.
2103
2104 2017-05-08  Jonathan Wakely  <jwakely@redhat.com>
2105
2106         * include/std/optional: Use a separate static_assert per condition.
2107         * testsuite/20_util/optional/cons/value_neg.cc: Update dg-error line
2108         numbers.
2109
2110         * doc/xml/manual/mt_allocator.xml: Clarify deallocation behaviour.
2111         * doc/html/*: Regenerate.
2112
2113 2017-05-02  Hugo Beauzée-Luyssen <hugo@beauzee.fr>
2114
2115         PR libstdc++/69506
2116         * config/os/mingw32-w64/os_defines.h (_GLIBCXX_USE_WEAK_REF): Define.
2117
2118 2017-04-29  François Dumont  <fdumont@gcc.gnu.org>
2119
2120         * testsuite/libstdc++-prettyprinters/48362.cc: Replace a regexp-test
2121         by a note-test.
2122
2123 2017-04-28  Jonathan Wakely  <jwakely@redhat.com>
2124
2125         PR libstdc++/80553
2126         * include/bits/stl_construct.h (_Destroy, _Destroy_n): Add static
2127         assertions to ensure type is destructible.
2128         (destroy_at, destroy, destroy_n): Move from stl_uninitialized.h.
2129         * include/bits/stl_uninitialized.h (destroy_at, destroy, destroy_n):
2130         Move to stl_construct.h.
2131         * testsuite/20_util/specialized_algorithms/memory_management_tools/
2132         destroy_neg.cc: New test.
2133         * testsuite/23_containers/vector/cons/destructible_neg.cc: New test.
2134
2135         * testsuite/17_intro/headers/c++1998/stdc++_assert_neg.cc: Remove
2136         superfluous "" in dg-error.
2137
2138 2017-04-28  Tom de Vries  <tom@codesourcery.com>
2139
2140         * testsuite/17_intro/headers/c++1998/stdc++_assert_neg.cc: Remove
2141         superfluous '{ target *-*-* }' in dg-(error|warning|message|bogus).
2142
2143 2017-04-27  Jonathan Wakely  <jwakely@redhat.com>
2144
2145         * include/ext/pb_ds/detail/list_update_map_/iterators_fn_imps.hpp
2146         (PB_DS_CLASS_C_DEC::end()): Remove redundant const in cast type.
2147         * testsuite/util/testsuite_rng.h (twister_rand_gen::get_prob()):
2148         Likewise.
2149
2150 2017-04-26  Jonathan Wakely  <jwakely@redhat.com>
2151
2152         * testsuite/23_containers/deque/allocator/move_assign-2.cc: Improve
2153         comment. Ensure first test works because allocator type propagates and
2154         not because is_always_equal is true.
2155         * testsuite/23_containers/vector/52591.cc: Likewise. Restore original
2156         testcase that instantiates the move-assignment operator.
2157
2158 2017-04-24  Jonathan Wakely  <jwakely@redhat.com>
2159
2160         PR libstdc++/80506
2161         * include/bits/random.tcc (gamma_distribution::operator()): Fix magic
2162         number used in loop condition.
2163
2164         PR libstdc++/80504
2165         * include/bits/refwrap.h (ref, cref): Qualify calls.
2166         * testsuite/20_util/reference_wrapper/80504.cc: New test.
2167
2168         PR libstdc++/80493
2169         * include/experimental/optional (optional::swap): Fix exception
2170         specification.
2171
2172 2017-04-21  Jonathan Wakely  <jwakely@redhat.com>
2173
2174         PR libstdc++/80316
2175         * include/std/future (_State_baseV2::_Setter::operator()): Remove
2176         _S_check calls that are done after the pointer to the shared state is
2177         already dereferenced.
2178         (_State_baseV2::_Setter<_Res, void>): Define specialization for void
2179         as partial specialization so it can be defined within the definition
2180         of _State_baseV2.
2181         (_State_baseV2::__setter): Call _S_check.
2182         (_State_baseV2::__setter(promise<void>*)): Add overload for use by
2183         promise<void>::set_value and promise<void>::set_value_at_thread_exit.
2184         (promise<T>, promise<T&>, promise<void>): Make _State a friend.
2185         (_State_baseV2::_Setter<void, void>): Remove explicit specialization.
2186         (promise<void>::set_value, promise<void>::set_value_at_thread_exit):
2187         Use new __setter overload.
2188         * testsuite/30_threads/promise/members/at_thread_exit2.cc: New test.
2189         * testsuite/30_threads/promise/members/set_exception.cc: Test
2190         promise<T&> and promise<void> specializations.
2191         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
2192         Test for no_state error condition.
2193         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
2194
2195         * include/backward/auto_ptr.h: Ignore deprecated warnings from use
2196         of auto_ptr.
2197         * include/bits/shared_ptr.h: Likewise.
2198         * include/bits/shared_ptr_base.h: Likewise.
2199         * include/bits/unique_ptr.h: Likewise.
2200         * libstdc++-v3/testsuite/20_util/default_delete/48631_neg.cc: Adjust
2201         dg-error lineno.
2202         * libstdc++-v3/testsuite/20_util/default_delete/void_neg.cc: Likewise.
2203         * libstdc++-v3/testsuite/20_util/unique_ptr/assign/48635_neg.cc:
2204         Likewise.
2205         * libstdc++-v3/testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc:
2206         Likewise.
2207
2208 2017-04-20  Edward Smith-Rowland  <3dw4rd@verizon.net>
2209
2210         PR libstdc++/68397 std::tr1::expint fails ... long double arguments.
2211         * include/tr1/exp_integral.tcc: Increase iteration limits.
2212         * testsuite/tr1/5_numerical_facilities/special_functions/15_expint/
2213         pr68397.cc: New test.
2214         * testsuite/special_functions/14_expint/pr68397.cc: New test.
2215
2216 2017-04-20  Jonathan Wakely  <jwakely@redhat.com>
2217
2218         PR libstdc++/79862
2219         * include/std/atomic [!_GLIBCXX_USE_C99_STDINT_TR1] (atomic_int8_t)
2220         (atomic_uint8_t, atomic_int16_t, atomic_uint16_t, atomic_int32_t,
2221         (atomic_uint32_t, atomic_int64_t, atomic_uint64_t)
2222         (atomic_int_least8_t, atomic_uint_least8_t, atomic_int_least16_t)
2223         (atomic_uint_least16_t, atomic_int_least32_t, atomic_uint_least32_t)
2224         (atomic_int_least64_t, atomic_uint_least64_t, atomic_int_fast8_t)
2225         (atomic_uint_fast8_t, atomic_int_fast16_t, atomic_uint_fast16_t)
2226         (atomic_int_fast32_t, atomic_uint_fast32_t, atomic_int_fast64_t)
2227         (atomic_uint_fast64_t, atomic_intmax_t, atomic_uintmax_t): Don't
2228         define.
2229
2230 2017-04-19  Jonathan Wakely  <jwakely@redhat.com>
2231
2232         * doc/xml/manual/abi.xml: Rephrase one of the references to the
2233         Itanium C++ ABI.
2234         * doc/xml/manual/test.xml: Document DejaGnu 1.5.3 requirement.
2235         * doc/html/*: Regenerate.
2236
2237         * libsupc++/new: Update comment on #endif directive.
2238
2239         PR libstdc++/80448
2240         * include/experimental/bits/fs_dir.h (directory_iterator)
2241         (recursive_directory_iterator): Remove noexcept from defaulted
2242         constructors.
2243
2244         PR libstdc++/80446
2245         * include/std/type_traits (is_aggregate): Change __has_builtin checks.
2246         * libsupc++/new (launder): Likewise.
2247
2248 2017-04-18  Jonathan Wakely  <jwakely@redhat.com>
2249
2250         * include/std/functional (default_searcher, __boyer_moore_array_base)
2251         (__is_std_equal_to, __boyer_moore_base_t, boyer_moore_searcher)
2252         (boyer_moore_horspool_searcher): Remove redundant namespace
2253         qualification.
2254         (default_searcher::operator()): Construct return value early and
2255         advance second member in-place.
2256         (boyer_moore_horspool_searcher::operator()): Increment random access
2257         iterator directly instead of using std::next.
2258         (boyer_moore_searcher::operator()): Fix return value.
2259         * testsuite/20_util/function_objects/searchers.cc: Check both parts
2260         of return values.
2261
2262 2017-04-12  Gerald Pfeifer  <gerald@pfeifer.com>
2263
2264         * doc/xml/faq.xml: Update reference link to C++ ABI for Itanium.
2265         * doc/xml/manual/abi.xml. Ditto (thrice).
2266
2267 2017-04-03  Jonathan Wakely  <jwakely@redhat.com>
2268
2269         * doc/xml/manual/status_cxx2017.xml: Remove duplicate table entry.
2270         * doc/html/*: Regenerate.
2271
2272         * testsuite/20_util/reference_wrapper/invoke.cc: Uncomment tests
2273         that no longer fail.
2274
2275         * include/bits/ios_base.h: Correct comment.
2276         * testsuite/util/testsuite_hooks.h: Likewise.
2277
2278         * doc/xml/manual/status_cxx2017.xml: Update C++17 status table.
2279         * doc/xml/manual/appendix_contributing.xml (contrib.organization): Add
2280         directories for debug, parallel and profile headers.
2281         * doc/html/*: Regenerate.
2282
2283         * include/bits/char_traits.h (__gnu_cxx::char_traits): Add
2284         _GLIBCXX14_CONSTEXPR on assign, compare, find, and length.
2285         (std::char_traits<char>, std::char_traits<wchar_t>): Add
2286         _GLIBCXX17_CONSTEXPR on assign.
2287         (std::char_traits<char16_t>, std::char_traits<char32_t>): Add
2288         _GLIBCXX17_CONSTEXPR on assign, compare, find, and length.
2289         * testsuite/21_strings/char_traits/requirements/
2290         constexpr_functions_c++17.cc: New test.
2291
2292 2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
2293
2294         PR libstdc++/79141
2295         * include/bits/stl_pair.h (__nonesuch_no_braces): New.
2296         (operator=(typename conditional<
2297         __and_<is_copy_assignable<_T1>,
2298         is_copy_assignable<_T2>>::value,
2299         const pair&, const __nonesuch&>::type)): Change __nonesuch
2300         to __nonesuch_no_braces.
2301         (operator=(typename conditional<
2302         __not_<__and_<is_copy_assignable<_T1>,
2303         is_copy_assignable<_T2>>>::value,
2304         const pair&, const __nonesuch&>::type)): Likewise.
2305         (operator=(typename conditional<
2306         __and_<is_move_assignable<_T1>,
2307         is_move_assignable<_T2>>::value,
2308         pair&&, __nonesuch&&>::type)): Likewise.
2309         * testsuite/20_util/pair/79141.cc: New.
2310
2311 2017-04-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
2312
2313         Implement std::is_aggregate.
2314         * include/std/type_traits (is_aggregate, is_aggregate_v): New.
2315         * testsuite/20_util/is_aggregate/requirements/explicit_instantiation.cc:
2316         New.
2317         * testsuite/20_util/is_aggregate/requirements/typedefs.cc: Likewise.
2318         * testsuite/20_util/is_aggregate/value.cc: Likewise.
2319
2320 2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>
2321
2322         Adjust optional's pretty printer for LWG 2900.
2323         * python/libstdcxx/v6/printers.py (StdExpOptionalPrinter.__init__):
2324         Look at the nested payload in case of non-experimental optional.
2325
2326 2017-03-29  Ville Voutilainen  <ville.voutilainen@gmail.com>
2327
2328         Implement LWG 2900, The copy and move constructors
2329         of optional are not constexpr.
2330         * include/std/optional (_Optional_payload): New.
2331         (_Optional_base): Remove the bool parameter.
2332         (_Optional_base<_Tp, false>): Remove.
2333         (_Optional_base()): Adjust.
2334         (_Optional_base(nullopt_t)): Likewise.
2335         (_Optional_base(in_place_t, _Args&&...)): Likewise.
2336         (_Optional_base(in_place_t, initializer_list<_Up>, _Args&&...)):
2337         Likewise.
2338         (_Optional_base(const _Optional_base&)): Likewise.
2339         (_Optional_base(_Optional_base&&)): Likewise.
2340         (operator=(const _Optional_base&)): Likewise.
2341         (operator=(_Optional_base&&)): Likewise.
2342         (~_Optional_base()): Remove.
2343         (_M_is_engaged()): Adjust.
2344         (_M_get()): Likewise.
2345         (_M_construct(_Args&&...)): Likewise.
2346         (_M_destruct()): Likewise.
2347         (_M_reset()): Likewise.
2348         (_Optional_base::_Empty_byte): Remove.
2349         (_Optional_base::_M_empty): Remove.
2350         (_Optional_base::_M_payload): Adjust.
2351         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
2352         * testsuite/20_util/optional/constexpr/cons/value.cc: Add tests.
2353
2354 2017-03-28  Jonathan Wakely  <jwakely@redhat.com>
2355
2356         PR libstdc++/80137
2357         * include/bits/random.tcc (generate_canonical): Use std::nextafter
2358         or numeric_limits::epsilon() to reduce out-of-range values.
2359         * testsuite/26_numerics/random/uniform_real_distribution/operators/
2360         64351.cc: Verify complexity requirement is met.
2361
2362         * doc/xml/manual/abi.xml: Add xml:id anchor.
2363         * doc/xml/manual/using.xml (manual.intro.using.macros): Document
2364         _GLIBCXX_RELEASE. Link to new anchor for __GLIBCXX__ notes.
2365         (concurrency.io.structure): Add markup.
2366         * doc/html/*: Regenerate.
2367
2368         PR libstdc++/80229
2369         * include/bits/shared_ptr_base.h
2370         (__shared_ptr::_M_enable_shared_from_this_with): Change parameters to
2371         non-const and then use remove_cv to get unqualified type.
2372         * testsuite/20_util/enable_shared_from_this/members/const.cc: Don't
2373         cast away constness on object created const.
2374         * testsuite/20_util/shared_ptr/cons/80229.cc: New test.
2375
2376 2017-03-26  Markus Trippelsdorf  <markus@trippelsdorf.de>
2377
2378         PR libstdc++/80183
2379         * include/bits/stl_tree.h:
2380         (_Rb_tree_header::_M_move_data(_Rb_tree_header&)): Also save _M_color.
2381
2382 2017-03-23  Jonathan Wakely  <jwakely@redhat.com>
2383
2384         * testsuite/23_containers/array/tuple_interface/
2385         tuple_element_debug_neg.cc: Adjust dg-error.
2386         * testsuite/23_containers/list/operations/78389.cc: Fix less-than to
2387         define a valid strict weak ordering.
2388         * testsuite/23_containers/priority_queue/67085.cc: Disable test for
2389         Debug Mode, due to debug checks making extra copies of predicate.
2390         * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
2391         Likewise.
2392
2393         * doc/xml/faq.xml: Add link.
2394         * doc/xml/manual/backwards_compatibility.xml: Remove outdated
2395         information on pre-ISO headers. Replace broken link to C++ FAQ Lite.
2396         * doc/xml/manual/io.xml: Update broken link.
2397         * doc/html/*: Regenerate.
2398
2399 2017-03-23  Daniel Kruegler  <daniel.kruegler@gmail.com>
2400
2401         Implement LWG 2686, Why is std::hash specialized for error_code,
2402         but not error_condition?
2403         * include/std/system_error (hash<error_condition>): Define for C++17.
2404         * testsuite/20_util/hash/operators/size_t.cc (hash<error_condition>):
2405         Instantiate test for error_condition.
2406         * testsuite/20_util/hash/requirements/explicit_instantiation.cc
2407         (hash<error_condition>): Instantiate hash<error_condition>.
2408
2409         * include/bits/c++config (_GLIBCXX17_INLINE): Define.
2410         * include/bits/regex_constants.h (All std::regex_constants constants):
2411         Add _GLIBCXX17_INLINE as per P0607R0.
2412         * include/bits/std_mutex.h (defer_lock, try_to_lock, adopt_lock):
2413         Likewise.
2414         * include/bits/stl_pair.h (piecewise_construct): Likewise.
2415         * include/bits/uses_allocator.h (allocator_arg, uses_allocator_v)
2416         (__is_uses_allocator_constructible_v)
2417         (__is_nothrow_uses_allocator_constructible_v): Likewise.
2418         * include/std/chrono (treat_as_floating_point_v): Likewise.
2419         * include/std/functional (is_bind_expression_v, is_placeholder_v):
2420         Likewise.
2421         * include/std/optional (nullopt): Likewise.
2422         * include/std/ratio (ratio_equal_v, ratio_not_equal_v, ratio_less_v)
2423         ratio_less_equal_v, ratio_greater_v, ratio_greater_equal_v): Likewise.
2424         * include/std/system_error (is_error_code_enum_v)
2425         (is_error_condition_enum_v): Likewise.
2426         * include/std/tuple (tuple_size_v, ignore): Likewise.
2427         (ignore): Declare ignore constexpr as per LWG 2773, declare assignment
2428         constexpr as per LWG 2933.
2429         * include/std/type_traits (All variable templates): Add
2430         _GLIBCXX17_INLINE as per P0607R0.
2431         * include/std/variant (variant_size_v, variant_npos, __index_of_v)
2432         (__tuple_count_v, __exactly_once): Likewise.
2433         * testsuite/18_support/headers/new/synopsis.cc
2434         (hardware_destructive_interference_size)
2435         (hardware_constructive_interference_size): Likewise for commented-out
2436         variables.
2437         * testsuite/20_util/tuple/creation_functions/constexpr.cc: Add new
2438         test function for constexpr std::ignore (LWG 2773).
2439         * testsuite/20_util/tuple/creation_functions/constexpr_cpp14.cc: New
2440         test for LWG 2933.
2441
2442 2017-03-22  Jonathan Wakely  <jwakely@redhat.com>
2443
2444         * include/bits/shared_ptr.h (shared_ptr, weak_ptr): Add deduction
2445         guides for C++17.
2446         * include/bits/std_function.h (function): Likewise.
2447         * include/bits/stl_pair.h (pair): Likewise.
2448         * include/debug/array (__gnu_debug::array): Likewise.
2449         * include/std/array (array): Likewise.
2450         * include/std/functional (make_default_searcher)
2451         (make_boyer_moore_searcher, make_boyer_moore_horspool_searcher):
2452         Remove generator functions.
2453         * include/std/tuple (tuple): Add deduction guides.
2454         * include/std/valarray (valarray): Likewise.
2455         * testsuite/20_util/function_objects/searchers.cc: Adjust to use
2456         class template argument deduction instead of generator functions.
2457         * testsuite/20_util/function/cons/deduction.cc: New test.
2458         * testsuite/20_util/optional/cons/deduction_guide.cc: Rename to ...
2459         * testsuite/20_util/optional/cons/deduction.cc: ... here.
2460         * testsuite/20_util/pair/cons/deduction.cc: New test.
2461         * testsuite/20_util/shared_ptr/cons/deduction.cc: New test.
2462         * testsuite/20_util/tuple/cons/deduction.cc: New test.
2463         * testsuite/20_util/tuple/element_access/get_neg.cc: Adjust dg-error.
2464         * testsuite/20_util/unique_ptr/cons/deduction_neg.cc: New test.
2465         * testsuite/20_util/weak_ptr/cons/deduction.cc: New test.
2466         * testsuite/23_containers/array/cons/deduction.cc: New test.
2467         * testsuite/23_containers/array/cons/deduction_neg.cc: New test.
2468         * testsuite/23_containers/array/tuple_interface/get_debug_neg.cc:
2469         Adjust dg-error.
2470         * testsuite/23_containers/array/tuple_interface/get_neg.cc: Likewise.
2471         * testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
2472         Likewise.
2473         * testsuite/26_numerics/valarray/deduction.cc: New test.
2474         * testsuite/30_threads/lock_guard/cons/deduction.cc: New test.
2475         * testsuite/30_threads/scoped_lock/cons/deduction.cc: New test.
2476         * testsuite/30_threads/unique_lock/cons/deduction.cc: New test.
2477
2478 2017-03-20  François Dumont  <fdumont@gcc.gnu.org>
2479
2480         * include/bits/stl_deque.h (deque): Access allocator value_type only if
2481         concept checks are enabled.
2482         * include/bits/stl_stack.h (stack): Likewise.
2483         * include/bits/stl_vector.h (vector): Likewise.
2484         * include/bits/stl_list.h (list): Likewise and check
2485         _SGIAssignableConcept only in C++03.
2486         * include/bits/stl_map.h (map): Likewise.
2487         * include/bits/stl_set.h (set): Likewise.
2488         * include/bits/stl_multimap.h (multimap): Likewise.
2489         * include/bits/stl_multiset.h (multiset): Likewise.
2490         * include/bits/stl_queue.h (queue, priority_queue): Likewise.
2491
2492 2017-03-18  Gerald Pfeifer  <gerald@pfeifer.com>
2493
2494         * doc/xml/manual/appendix_contributing.xml: Convert link to
2495         ansi.org to https.
2496         Update link to the C++ standard at ansi.org.
2497
2498         * doc/xml/faq.xml: Remove information redundant with the above;
2499         instead add a reference.
2500
2501 2017-03-17  Jonathan Wakely  <jwakely@redhat.com>
2502
2503         * src/c++11/codecvt.cc (range): Add non-type template parameter and
2504         define oerloaded operators for reading and writing code units.
2505         (range<Elem, false>): Define partial specialization for accessing
2506         wide characters in potentially unaligned byte ranges.
2507         (ucs2_span(const char16_t*, const char16_t*, ...))
2508         (ucs4_span(const char16_t*, const char16_t*, ...)): Change parameters
2509         to range<const char16_t, false> in order to avoid unaligned reads.
2510         (__codecvt_utf16_base<char16_t>::do_out)
2511         (__codecvt_utf16_base<char32_t>::do_out)
2512         (__codecvt_utf16_base<wchar_t>::do_out): Use range specialization for
2513         unaligned data to avoid unaligned writes.
2514         (__codecvt_utf16_base<char16_t>::do_in)
2515         (__codecvt_utf16_base<char32_t>::do_in)
2516         (__codecvt_utf16_base<wchar_t>::do_in): Likewise for writes. Return
2517         error if there are unprocessable trailing bytes.
2518         (__codecvt_utf16_base<char16_t>::do_length)
2519         (__codecvt_utf16_base<char32_t>::do_length)
2520         (__codecvt_utf16_base<wchar_t>::do_length): Pass arguments of type
2521         range<const char16_t, false> to span functions.
2522         * testsuite/22_locale/codecvt/codecvt_utf16/misaligned.cc: New test.
2523
2524 2017-03-16  Jonathan Wakely  <jwakely@redhat.com>
2525
2526         PR libstdc++/79980
2527         * src/c++11/codecvt.cc (to_integer(codecvt_mode)): Fix target type.
2528
2529         PR libstdc++/80041
2530         * src/c++11/codecvt.cc (__codecvt_utf16_base<wchar_t>::do_out)
2531         (__codecvt_utf16_base<wchar_t>::do_in): Convert char arguments to
2532         char16_t to work with UTF-16 instead of UTF-8.
2533         * testsuite/22_locale/codecvt/codecvt_utf16/80041.cc: New test.
2534
2535         * src/c++11/codecvt.cc (codecvt<char16_t, char, mbstate_t>)
2536         (codecvt<char32_t, char, mbstate_t>, __codecvt_utf8_base<char16_t>)
2537         (__codecvt_utf8_base<char32_t>, __codecvt_utf8_base<wchar_t>)
2538         (__codecvt_utf16_base<char16_t>, __codecvt_utf16_base<char32_t>)
2539         (__codecvt_utf16_base<wchar_t>, __codecvt_utf8_utf16_base<char16_t>)
2540         (__codecvt_utf8_utf16_base<char32_t>)
2541         (__codecvt_utf8_utf16_base<wchar_t>): Fix do_encoding() and
2542         do_max_length() return values.
2543         * testsuite/22_locale/codecvt/codecvt_utf16/members.cc: New test.
2544         * testsuite/22_locale/codecvt/codecvt_utf8/members.cc: New test.
2545         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/members.cc: New test.
2546
2547         PR libstdc++/79980
2548         * include/bits/locale_conv.h (__do_str_codecvt): Set __count on
2549         error path.
2550         * src/c++11/codecvt.cc (operator&=, operator|=, operator~): Overloads
2551         for manipulating codecvt_mode values.
2552         (read_utf16_bom): Compare input to BOM constants instead of integral
2553         constants that depend on endianness.  Take mode parameter by
2554         reference and adjust it, to distinguish between no BOM present and
2555         UTF-16BE BOM present.
2556         (ucs4_in, ucs2_span, ucs4_span): Adjust calls to read_utf16_bom.
2557         (surrogates): New enumeration type.
2558         (utf16_in, utf16_out): Add surrogates parameter to choose between
2559         UTF-16 and UCS2 behaviour.
2560         (utf16_span, ucs2_span): Use std::min not std::max.
2561         (ucs2_out): Use std::min not std::max.  Disallow surrogate pairs.
2562         (ucs2_in): Likewise. Adjust calls to read_utf16_bom.
2563         * testsuite/22_locale/codecvt/codecvt_utf16/79980.cc: New test.
2564         * testsuite/22_locale/codecvt/codecvt_utf8/79980.cc: New test.
2565
2566         PR libstdc++/79511
2567         * src/c++11/codecvt.cc (write_utf16_code_point): Don't write 0xffff
2568         as a surrogate pair.
2569         (__codecvt_utf8_utf16_base<char32_t>::do_in): Use native endianness
2570         for internal representation.
2571         (__codecvt_utf8_utf16_base<wchar_t>::do_in): Likewise.
2572         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/79511.cc: New test.
2573
2574         PR libstdc++/80064
2575         * include/bits/stl_heap.h (__is_heap, push_heap, __adjust_heap)
2576         (pop_heap, make_heap, sort_heap, is_heap_until, is_heap): Cope with
2577         invalid instantiations using function types for _Compare argument.
2578         * testsuite/25_algorithms/make_heap/80064.cc: New test.
2579
2580         PR libstdc++/67440
2581         * python/libstdcxx/v6/printers.py (find_type): Avoid gdb.Type.name
2582         for GDB 7.6 compatibility, use gdb.Type.unqualified instead.
2583
2584 2017-03-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
2585
2586         Implement LWG 2857, {variant,optional,any}::emplace should
2587         return the constructed value.
2588         * include/std/any (emplace(_Args&&...)): Change the return type and
2589         return a reference to the constructed value.
2590         (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
2591         * include/std/optional (emplace(_Args&&...)): Likewise.
2592         (emplace(initializer_list<_Up>, _Args&&...)): Likewise.
2593         * include/std/variant (emplace<_Tp>(_Args&&...)): Likewise.
2594         (emplace<_Tp>(initializer_list<_Up>, _Args&&...)): Likewise.
2595         (emplace<_Np>(_Args&&...)): Likewise.
2596         (emplace<_Np>(initializer_list<_Up>, _Args&&...)): Likewise.
2597         * testsuite/20_util/any/assign/emplace.cc: Add tests for
2598         checking the return value of emplace.
2599         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust.
2600         * testsuite/20_util/optional/assignment/6.cc: Add tests for
2601         checking the return value of emplace.
2602         * testsuite/20_util/variant/run.cc: Likewise.
2603
2604 2017-03-15  Xi Ruoyao  <ryxi@stu.xidian.edu.cn>
2605
2606         PR libstdc++/62045
2607         * include/ext/pb_ds/qdetail/binary_heap_/binary_heap_.hpp
2608         (is_heap): Remove.
2609         (push_heap): Remove the wrong checking using is_heap.
2610         (make_heap): Remove the assertion using is_heap.
2611         * include/ext/pb_ds/detail/binary_heap_/insert_fn_imps.hpp
2612         (modify): Ditto.
2613         (resize_for_insert_if_needed): Add PB_DS_ASSERT_VALID after
2614         calling make_heap.
2615
2616 2017-03-15  Jonathan Wakely  <jwakely@redhat.com>
2617
2618         PR libstdc++/62045
2619         * testsuite/ext/pb_ds/regression/priority_queue_binary_heap-62045.cc:
2620         New test.
2621         * testsuite/ext/pb_ds/regression/priority_queues.cc: Fix copy&paste
2622         error in comment.
2623
2624 2017-03-15  Jonathan Wakely  <jwakely@redhat.com>
2625
2626         * acinclude.m4 (GLIBCXX_CHECK_S_ISREG_OR_S_IFREG): Fix typo in
2627         comment.
2628         * config.h.in: Regenerate.
2629         * configure: Regenerate.
2630         * doc/Makefile.in: Regenerate.
2631
2632 2017-03-14  Jonathan Wakely  <jwakely@redhat.com>
2633
2634         PR libstdc++/79162
2635         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2636         (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Replace
2637         with a constrained template.
2638         [!_GLIBCXX_USE_CXX11_ABI]
2639         (basic_string<C,T,A>::operator=(basic_string_view<C,T>)): Likewise.
2640         * testsuite/21_strings/basic_string/cons/char/79162.cc: New test.
2641         * testsuite/21_strings/basic_string/cons/wchar_t/79162.cc: New test.
2642
2643 2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
2644
2645         PR libstdc++/80034
2646         * include/bits/list.tcc (merge(list&&)): Use const for the size_t
2647         in the catch-block.
2648         (merge(list&&, _StrictWeakOrdering)): Likewise.
2649         * testsuite/23_containers/list/operations/80034.cc: New.
2650
2651 2017-03-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
2652
2653         Implement LWG 2806, Base class of bad_optional_access.
2654         * include/std/optional (bad_optional_access):
2655         Derive from std::exception.
2656         (bad_optional_access::bad_optional_access): Adjust.
2657         (bad_optional_access::what): New.
2658         (__throw_bad_optional_access(const char*)):
2659         Remove the parameter and adjust calls.
2660         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
2661         * testsuite/20_util/optional/typedefs.cc: Likewise.
2662
2663 2017-03-12  Ville Voutilainen  <ville.voutilainen@gmail.com>
2664
2665         Implement LWG 2934, optional<const T> doesn't compare with T.
2666         * include/std/optional
2667         (operator==(const optional<_Tp>&, const optional<_Tp>&)):
2668         Turn into operator==(const optional<_Tp>&, const optional<_Up>&).
2669         (operator!=(const optional<_Tp>&, const optional<_Tp>&)):
2670         Turn into operator!=(const optional<_Tp>&, const optional<_Up>&).
2671         (operator<(const optional<_Tp>&, const optional<_Tp>&)):
2672         Turn into operator<(const optional<_Tp>&, const optional<_Up>&.
2673         (operator>(const optional<_Tp>&, const optional<_Tp>&)):
2674         Turn into operator>(const optional<_Tp>&, const optional<_Up>&.
2675         (operator<=(const optional<_Tp>&, const optional<_Tp>&)):
2676         Turn into operator<=(const optional<_Tp>&, const optional<_Up>&).
2677         (operator>=(const optional<_Tp>&, const optional<_Tp>&)):
2678         Turn into operator>=(const optional<_Tp>&, const optional<_Up>&).
2679         (operator==(const optional<_Tp>&, const _Tp&)):
2680         Turn into operator==(const optional<_Tp>&, const _Up&).
2681         (operator==(const _Tp&, const optional<_Tp>&)):
2682         Turn into operator==(const _Up&, const optional<_Tp>&).
2683         (operator!=(const optional<_Tp>&, const _Tp&)):
2684         Turn into operator!=(const optional<_Tp>&, const _Up&).
2685         (operator!=(const _Tp&, const optional<_Tp>&)):
2686         Turn into operator!=(const _Up&, const optional<_Tp>&).
2687         (operator<(const optional<_Tp>&, const _Tp&)):
2688         Turn into operator<(const optional<_Tp>&, const _Up&).
2689         (operator<(const _Tp&, const optional<_Tp>&)):
2690         Turn into operator<(const _Up&, const optional<_Tp>&).
2691         (operator>(const optional<_Tp>&, const _Tp&)):
2692         Turn into operator>(const optional<_Tp>&, const _Up&).
2693         (operator>(const _Tp&, const optional<_Tp>&)):
2694         Turn into operator>(const _Up&, const optional<_Tp>&).
2695         (operator<=(const optional<_Tp>&, const _Tp&)):
2696         Turn into operator<=(const optional<_Tp>&, const _Up&).
2697         (operator<=(const _Tp&, const optional<_Tp>&)):
2698         Turn into operator<=(const _Up&, const optional<_Tp>&).
2699         (operator>=(const optional<_Tp>&, const _Tp&)):
2700         Turn into operator>=(const optional<_Tp>&, const _Up&).
2701         (operator>=(const _Tp&, const optional<_Tp>&)):
2702         Turn into operator>=(const _Up&, const optional<_Tp>&).
2703         * testsuite/20_util/optional/relops/7.cc: New.
2704
2705 2017-03-10  Jonathan Wakely  <jwakely@redhat.com>
2706
2707         * testsuite/17_intro/names.cc: Undefine macros that clash with
2708         identifiers in AIX system headers.
2709
2710         * include/bits/invoke.h (__invoke): Use __invoke_result instead of
2711         result_of, and __is_nothrow_invocable instead of
2712         __is_nothrow_callable.
2713         * include/bits/shared_ptr_base.h (__shared_ptr): Use __is_invocable
2714         instead of __is_callable.
2715         * include/std/functional (invoke): use invoke_result_t instead of
2716         result_of_t and is_nothrow_invocable instead of is_nothrow_callable.
2717         (_Not_fn): Use __invoke_result instead of result_of.
2718         * include/std/type_traits (__result_of_memobj, __result_of_memfun):
2719         Remove partial specializations for reference_wrapper types.
2720         (__result_of_impl): Use __inv_unwrap to strip reference_wrapper.
2721         (__invoke_result): Define replacement for result_of and then use it to
2722         define result_of.
2723         (__is_callable_impl, __is_callable, __is_nothrow_callable): Replace
2724         with __is_invocable_impl, __is_invocable, and __is_nothrow_invocable
2725         respectively.
2726         (invoke_result, invoke_result_t): Define for C++17.
2727         (is_callable, is_nothrow_callable): Replace with is_invocable,
2728         is_invocable_r, is_nothrow_invocable, and is_nothrow_invocable_r.
2729         (is_callable_v, is_nothrow_callable_v): Replace with is_invocable_v,
2730         is_invocable_r_v, is_nothrow_invocable_v, and is_nothrow_invocable_r_v.
2731         * include/std/variant (hash<variant<T...>>): Use is_nothrow_invocable_v
2732         instead of is_nothrow_callable_v.
2733         * testsuite/20_util/function_objects/invoke/59768.cc: Remove unused
2734         main function.
2735         * testsuite/20_util/function_objects/not_fn/1.cc: Use is_invocable
2736         instead of is_callable.
2737         * testsuite/20_util/is_callable/*: Rename directory and adjust tests
2738         to use new traits.
2739         * testsuite/20_util/is_nothrow_callable/*: Likewise.
2740         * testsuite/20_util/optional/hash.cc: Use is_invocable_v instead of
2741         is_callable.
2742         * testsuite/20_util/variant/hash.cc: Likewise.
2743
2744 2017-03-10  George Lander  <george.lander@arm.com>
2745
2746         * acinclude.m4 (glibcxx_cv_obsolete_isnan): Define
2747         _GLIBCXX_INCLUDE_NEXT_C_HEADERS before including math.h.
2748         * configure: Regenerate.
2749
2750 2017-03-09  Jonathan Wakely  <jwakely@redhat.com>
2751
2752         * include/std/functional (_Not_fn): Define macro to simplify
2753         repetitive function definitions.
2754
2755         * doc/xml/manual/status_cxx2017.xml: Document std::byte support.
2756         * include/c_global/cstddef (std::byte): Define for C++17.
2757         * testsuite/18_support/byte/global_neg.cc: New test.
2758         * testsuite/18_support/byte/ops.cc: New test.
2759         * testsuite/18_support/byte/requirements.cc: New test.
2760
2761 2017-03-05  Jonathan Wakely  <jwakely@redhat.com>
2762
2763         * doc/xml/manual/status_cxx2017.xml: Document P0156R2 status.
2764         * doc/html/*: Regenerate.
2765         * include/std/mutex (scoped_lock): Implement new C++17 template.
2766         * testsuite/30_threads/scoped_lock/cons/1.cc: New test.
2767         * testsuite/30_threads/scoped_lock/requirements/
2768         explicit_instantiation.cc: New test.
2769         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: New test.
2770
2771 2017-03-02  Gerald Pfeifer  <gerald@pfeifer.com>
2772             François Dumont  <frs.dumont@gmail.com>
2773             Jonathan Wakely  <jwakely@redhat.com>
2774
2775         * doc/xml/manual/debug_mode.xml: Update and simplify note
2776         on link- and run-time coexistence.
2777
2778 2017-03-02  Jonathan Wakely  <jwakely@redhat.com>
2779
2780         * testsuite/17_intro/headers/names.cc: Rename to ...
2781         * testsuite/17_intro/names.cc: ... here.
2782
2783         PR libstdc++/79789
2784         * include/bits/hashtable_policy.h (__clp2): Use reserved names for
2785         parameters and local variables.
2786         * include/bits/ios_base.h (make_error_code, make_error_condition):
2787         Likewise.
2788         * include/bits/list.tcc (list::sort): Likewise.
2789         * include/bits/mask_array.h (mask_array): Likewise.
2790         * include/bits/regex.h (regex_token_iterator): Likewise.
2791         * include/bits/slice_array.h (slice_array): Likewise.
2792         * include/bits/stl_algo.h (__sample): Likewise.
2793         * include/std/memory (undeclare_no_pointers): Likewise.
2794         * include/std/type_traits (is_callable_v, is_nothrow_callable_v):
2795         Likewise.
2796         * libsupc++/exception_ptr.h (__dest_thunk): Likewise.
2797         * testsuite/17_intro/headers/names.cc: New test.
2798
2799         PR libstdc++/79798
2800         * include/std/functional (bind::_Res_type_impl): Fix incorrect use of
2801         result_of that loses top-level cv-qualifiers.
2802         * testsuite/20_util/bind/79798.cc: New test.
2803
2804 2017-03-01  Gerald Pfeifer  <gerald@pfeifer.com>
2805
2806         * doc/xml/manual/documentation_hacking.xml: Tweak link to
2807         doxygen.org.
2808
2809 2017-02-23  Jonathan Wakely  <jwakely@redhat.com>
2810
2811         * include/experimental/iterator: Include <iterator>.
2812         * testsuite/experimental/iterator/requirements.cc: Check for contents
2813         of <iterator>.
2814
2815 2017-02-19  Dinka Ranns  <dinka.ranns@googlemail.com>
2816
2817         C++17 GB50 resolution
2818         * include/std/chrono (duration::operator++()): Add
2819         _GLIBCXX17_CONSTEXPR.
2820         (duration::operator++(int)): Likewise.
2821         (duration::operator--()): Likewise.
2822         (duration::operator--(int)): Likewise.
2823         (duration::operator+=(const duration&)): Likewise.
2824         (duration::operator-=(const duration&)): Likewise.
2825         (duration::operator*=(const rep&)): Likewise.
2826         (duration::operator/=(const rep&)): Likewise.
2827         (duration::operator%=(const rep&)): Likewise.
2828         (duration::operator%=(const duration&)): Likewise.
2829         (time_point::operator+=(const duration&)): Likewise.
2830         (time_point::operator-=(const duration&)): Likewise.
2831         * testsuite/20_util/duration/arithmetic/constexpr_c++17.cc: New test.
2832         * testsuite/20_util/duration/literals/range.cc: Adjust dg-error.
2833         * testsuite/20_util/time_point/arithmetic/constexpr.cc: New test.
2834
2835 2017-02-19  Gerald Pfeifer  <gerald@pfeifer.com>
2836
2837         * doc/xml/manual/debug.xml: Adjust link to ThreadSanitizer.
2838
2839 2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
2840
2841         * doc/xml/manual/io.xml: Update link to groups.google.com.
2842         Tweak link description.
2843
2844 2017-02-18  Gerald Pfeifer  <gerald@pfeifer.com>
2845
2846         * doc/xml/manual/profile_mode.xml: Fix link.
2847
2848 2017-02-16  Gerald Pfeifer  <gerald@pfeifer.com>
2849
2850         * doc/xml/manual/policy_data_structures.xml: Simplify and
2851         standardize references to boost.org.
2852         * doc/xml/manual/policy_data_structures_biblio.xml: Ditto.
2853         * doc/xml/manual/shared_ptr.xml: Ditto.
2854
2855 2017-02-16  Jonathan Wakely  <jwakely@redhat.com>
2856
2857         PR libstdc++/60936
2858         * src/c++11/snprintf_lite.cc (__concat_size_t): Calculate length
2859         written to buffer, not length remaining in buffer.
2860
2861 2017-02-15  Tim Shen  <timshen@google.com>
2862
2863         PR libstdc++/78723
2864         * include/std/variant (operator<(), operator>(), operator<=(),
2865         operator>=(), operator==(), operator!=()): Implement P0393R3.
2866         * testsuite/20_util/variant/compile.cc: Adjust tests.
2867         * testsuite/20_util/variant/run.cc: Adjust tests.
2868
2869 2017-02-15  Tim Shen  <timshen@google.com>
2870
2871         PR libstdc++/79513
2872         * include/std/variant (visit()): Forward variant types to the return
2873         type detection code.
2874         * testsuite/20_util/variant/compile.cc: Add test cases.
2875
2876 2017-02-13  H.J. Lu  <hongjiu.lu@intel.com>
2877
2878         PR libstdc++/79348
2879         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
2880
2881 2017-02-13  Jakub Jelinek  <jakub@redhat.com>
2882
2883         PR libstdc++/79348
2884         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2885         * config/abi/post/x86_64-linux-gnu/32/baseline_symbols.txt: Likewise.
2886         * config/abi/post/i386-linux-gnu/baseline_symbols.txt: Likewise.
2887         * config/abi/post/i486-linux-gnu/baseline_symbols.txt: Likewise.
2888         * config/abi/post/aarch64-linux-gnu/baseline_symbols.txt: Likewise.
2889         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Likewise.
2890         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Likewise.
2891         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Likewise.
2892         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Likewise.
2893
2894 2017-02-13  Jonathan Wakely  <jwakely@redhat.com>
2895
2896         PR libstdc++/79486
2897         * include/std/future (__future_base::_Task_state::_M_run)
2898         (__future_base::_Task_state::_M_run_delayed): Use lvalue types in
2899         result_of expressions.
2900         * testsuite/30_threads/packaged_task/79486.cc: New.
2901
2902 2017-02-11  Jonathan Wakely  <jwakely@redhat.com>
2903
2904         PR libstdc++/79467
2905         * include/bits/shared_ptr_base.h (__shared_ptr(_Yp*, _Deleter))
2906         (__shared_ptr(_Yp*, _Deleter, _Alloc)): Use lvalue types in
2907         __is_callable check.
2908         * testsuite/20_util/shared_ptr/cons/79467.cc: New.
2909
2910         * include/bits/atomic_base.h: Re-indent.
2911
2912 2017-02-10  Gerald Pfeifer  <gerald@pfeifer.com>
2913
2914         * doc/xml/manual/profile_mode.xml: Update a paper reference.
2915
2916 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
2917
2918         * src/c++11/snprintf_lite.cc (__err): Use https for bug reporting.
2919
2920 2017-02-08  Jonathan Wakely  <jwakely@redhat.com>
2921
2922         * doc/xml/manual/policy_data_structures.xml: Fix spelling of author's
2923         name.
2924         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise. Remove
2925         broken links to texts that are no longer online.
2926         * doc/xml/manual/profile_mode.xml: Update links to CGO 2009 paper and
2927         LCPC 2006 paper.
2928         * doc/xml/manual/using.xml: Update links to memory model information.
2929         * doc/xml/manual/using_exceptions.xml: Update link to "Appendix E:
2930         Standard-Library Exception Safety".
2931         * doc/html/*: Regenerate.
2932
2933 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
2934
2935         * doc/xml/manual/profile_mode.xml: Unbreak link to
2936         "Optimizing Sorting with Machine Learning Algorithms".
2937
2938 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
2939
2940         * src/c++11/snprintf_lite.cc (__err): Update bug reporting URL.
2941
2942 2017-02-08  Gerald Pfeifer  <gerald@pfeifer.com>
2943
2944         * doc/xml/manual/abi.xml: Update link to "Sun Studio 11: C++
2945         Migration Guide".
2946
2947 2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
2948
2949         * doc/html/ext/lwg-active.html: Remove.
2950         * doc/html/ext/lwg-closed.html: Ditto.
2951         * doc/html/ext/lwg-defects.html: Ditto.
2952
2953         * doc/Makefile.am (xml_extradir): Remove.
2954         (xml_extra): Ditto.
2955         (stamp-html-docbook-lwg): Remove recipe...
2956         (stamp-html-docbook-data): ...and its use here.
2957         * doc/Makefile.in: Regenerate.
2958
2959         * doc/xml/manual/intro.xml: Shorten two paragraphs explaining
2960         the relationship to the upstream working group.
2961         Replace a local link to ../ext/lwg-active.html by the upstream one.
2962         Replace all reference to ../ext/lwg-defects.html by a new entity
2963         &DR; which refers to the upstream address.
2964
2965 2017-02-07  Gerald Pfeifer  <gerald@pfeifer.com>
2966
2967         * doc/xml/manual/status_cxx2017.xml: Fix link to N4284.
2968
2969 2017-02-06  Jonathan Wakely  <jwakely@redhat.com>
2970
2971         PR libstdc++/79323
2972         * testsuite/20_util/duration/literals/range.cc: Prune extra output
2973         at -O0.
2974
2975 2017-02-06  Gerald Pfeifer  <gerald@pfeifer.com>
2976
2977         * doc/xml/manual/documentation_hacking.xml: Update URL of the
2978         DocBook Element Reference.  Use that term as link description
2979         instead of "online".
2980         epubcheck has moved to GitHub.
2981         Remove obsolete link to DocBook Publishing Tools.
2982
2983 2017-02-03  Jonathan Wakely  <jwakely@redhat.com>
2984
2985         PR libstdc++/66145
2986         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Restore ABI override
2987         so new ios::failure can be caught even when old ABI is the default.
2988         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
2989         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
2990         exceptions_failbit.cc: Likewise.
2991         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
2992         exceptions_failbit.cc: Likewise.
2993         * testsuite/27_io/basic_istream/extractors_other/char/
2994         exceptions_null.cc: Likewise.
2995         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
2996         exceptions_null.cc: Likewise.
2997         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
2998         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
2999         * testsuite/27_io/basic_ostream/inserters_other/char/
3000         exceptions_null.cc: Likewise.
3001         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3002         exceptions_null.cc: Likewise.
3003         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3004
3005         PR libstdc++/60936
3006         * src/c++11/Makefile.am: Add new files.
3007         * src/c++11/Makefile.in: Regenerate.
3008         * src/c++11/cow-string-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
3009         (operator<<, operator>>, getline): Move explicit instantiations to ...
3010         * src/c++11/cow-string-io-inst.cc: ... new file.
3011         * src/c++11/cow-wstring-inst.cc [!_GLIBCXX_USE_CXX11_ABI]
3012         (operator<<, operator>>, getline): Move explicit instantiations to ...
3013         * src/c++11/cow-wstring-io-inst.cc: ... new file.
3014         * src/c++11/functexcept.cc (__throw_ios_failure, __throw_system_error)
3015         (__throw_future_error, __throw_bad_function_call):
3016         (__throw_regex_error): Move functions for C++11 exceptions to the
3017         files that define the exception types.
3018         * src/c++11/functional.cc (__throw_bad_function_call): Move here.
3019         * src/c++11/future.cc (__throw_future_error): Likewise.
3020         * src/c++11/ios.cc (__throw_ios_failure): Likewise.
3021         * src/c++11/regex.cc (__throw_regex_error): Likewise.
3022         * src/c++11/snprintf_lite.cc (__concat_size_t): Print decimal
3023         representation directly instead of calling __int_to_char.
3024         * src/c++11/sso_string.cc (__sso_string): New file for definition
3025         of __sso_string type.
3026         * src/c++11/string-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
3027         explicit instantiations of narrow string I/O functions.
3028         * src/c++11/system_error.cc (__throw_system_error): Move here.
3029         (__sso_string): Move to new file.
3030         * src/c++11/wstring-io-inst.cc [_GLIBCXX_USE_CXX11_ABI]: New file for
3031         explicit instantiations of wide string I/O functions.
3032         * src/c++98/misc-inst.cc [_GLIBCXX_USE_CXX11_ABI] (operator<<)
3033         (operator>>, getline): Remove explicit instantiations from here.
3034
3035 2017-02-02  H.J. Lu  <hongjiu.lu@intel.com>
3036
3037         * config/abi/post/x86_64-linux-gnu/x32/baseline_symbols.txt: Updated.
3038
3039 2017-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3040
3041         * configure.host: Separate Solaris/SPARC and x86 baselines.
3042         * config/abi/post/solaris2.10/baseline_symbols.txt: Move ...
3043         * config/abi/post/sparc-solaris2.10/baseline_symbols.txt: ... here.
3044         * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Move ...
3045         * config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt:
3046         ... here.
3047         * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Move ...
3048         * config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt: ... here.
3049         * config/abi/post/i386-solaris2.10/baseline_symbols.txt: New file.
3050         * config/abi/post/solaris2.11/baseline_symbols.txt: Move ...
3051         * config/abi/post/sparc-solaris2.11/baseline_symbols.txt: ... here.
3052         * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Move ...
3053         * config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt:
3054         ... here.
3055         * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Move ...
3056         * config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt: ... here.
3057         * config/abi/post/i386-solaris2.11/baseline_symbols.txt: New file.
3058
3059         * config/abi/post/solaris2.10/baseline_symbols.txt: Regenerate.
3060         * config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Likewise.
3061         * config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Likewise.
3062         * config/abi/post/solaris2.11/baseline_symbols.txt: Likewise.
3063         * config/abi/post/solaris2.11/amd64/baseline_symbols.txt: Likewise.
3064         * config/abi/post/solaris2.11/sparcv9/baseline_symbols.txt: Likewise.
3065
3066 2017-02-01  Jonathan Wakely  <jwakely@redhat.com>
3067
3068         PR libstdc++/78346
3069         * include/bits/predefined_ops.h (_Iter_equals_iter): Store iterator
3070         not its referent.
3071         (_Iter_comp_to_iter): Likewise.
3072         * testsuite/25_algorithms/search/78346.cc: New test.
3073
3074         PR libstdc++/79254
3075         * config/abi/pre/gnu.ver: Remove recently added symbols.
3076         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3077         (basic_string::_M_copy_assign): Remove.
3078         (basic_string::operator=(const basic_string&)): Don't dispatch to
3079         _M_copy_assign. If source object is small just deallocate, otherwise
3080         perform new allocation before making any changes.
3081         * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
3082         (basic_string::_M_copy_assign(const basic_string&, true_type)):
3083         Remove.
3084         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3085         Test cases where the allocators are equal or the string is small.
3086         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3087         Likewise.
3088
3089 2017-01-30  Ville Voutilainen  <ville.voutilainen@gmail.com>
3090
3091         Implement LWG 2825, LWG 2756 breaks class template argument
3092         deduction for optional.
3093         * include/std/optional: Add a deduction guide.
3094         * testsuite/20_util/optional/cons/deduction_guide.cc: New.
3095
3096 2017-01-27  Jonathan Wakely  <jwakely@redhat.com>
3097
3098         PR libstdc++/79254
3099         * config/abi/pre/gnu.ver: Add new symbols.
3100         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3101         (basic_string::_M_copy_assign): New overloaded functions to perform
3102         copy assignment.
3103         (basic_string::operator=(const basic_string&)): Dispatch to
3104         _M_copy_assign.
3105         * include/bits/basic_string.tcc [_GLIBCXX_USE_CXX11_ABI]
3106         (basic_string::_M_copy_assign(const basic_string&, true_type)):
3107         Define, performing rollback on exception.
3108         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3109         Test exception-safety guarantee.
3110         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3111         Likewise.
3112         * testsuite/util/testsuite_allocator.h (uneq_allocator::swap): Make
3113         std::swap visible.
3114
3115 2017-01-26  Jonathan Wakely  <jwakely@redhat.com>
3116
3117         PR libstdc++/70607
3118         * include/tr1/complex (conj): Remove using-declaration and restore
3119         overloads, reverting previous change.
3120
3121         * testsuite/23_containers/list/operations/78389.cc: Fix for C++11
3122         mode.
3123         * testsuite/23_containers/priority_queue/requirements/constructible.cc:
3124         Mark as unsupported in C++98 mode.
3125         * testsuite/23_containers/queue/requirements/constructible.cc:
3126         Likewise.
3127         * testsuite/23_containers/stack/requirements/constructible.cc:
3128         Likewise.
3129         * testsuite/25_algorithms/make_heap/movable.cc: Fix for C++11 mode.
3130
3131         PR libstdc++/79243
3132         * include/bits/c++config (literals::string_view_literals::__7): Add.
3133         Only declare versioned namespaces for the relevant C++ dialects.
3134         * include/experimental/bits/erase_if.h (fundamentals_v2::__detail):
3135         Add versioning macros.
3136         * include/experimental/bits/lfts_config.h:
3137         (fundamentals_v1::__detail::__7, fundamentals_v2::__detail::__7): Add.
3138         * include/experimental/string_view (fundamentals_v2::__detail):
3139         Add versioning macros.
3140         (fundamentals_v2::__detail::__identity): Remove.
3141         (fundamentals_v2::__detail::__idt): Use common_type instead of
3142         __detail::__identity.
3143         * include/std/string_view (__detail::__identity, __detail::__idt):
3144         Likewise.
3145         (literals::string_view_literals): Fix nesting of versioning macros.
3146
3147         PR libstdc++/79190
3148         * libsupc++/del_opa.cc (operator delete(void*, std::align_val_t))
3149         [!_GLIBCXX_HAVE_ALIGNED_ALLOC && !_GLIBCXX_HAVE_POSIX_MEMALIGN
3150         && !_GLIBCXX_HAVE_MEMALIGN && !_GLIBCXX_HAVE__ALIGNED_MALLOC]:
3151         Retrieve original pointer value allocated by malloc.
3152         * libsupc++/new_opa.cc [!_GLIBCXX_HAVE_ALIGNED_ALLOC
3153         && !_GLIBCXX_HAVE_POSIX_MEMALIGN && !_GLIBCXX_HAVE_MEMALIGN
3154         && !_GLIBCXX_HAVE__ALIGNED_MALLOC] (aligned_alloc(size_t, size_t)):
3155         Define, adjusting pointer value allocated by malloc and storing for
3156         retrieval by operator delete.
3157
3158 2017-01-26  Jakub Jelinek  <jakub@redhat.com>
3159
3160         * libsupc++/eh_atomics.h: Update copyright years.
3161         * testsuite/20_util/unique_ptr/cons/default.cc: Update copyright years.
3162
3163 2017-01-25  Jonathan Wakely  <jwakely@redhat.com>
3164
3165         PR libstdc++/61791
3166         PR libstdc++/70607
3167         * include/std/complex (real(T), imag(T)): Add _GLIBCXX_CONSTEXPR.
3168         (proj(T), conj(T)): Change return types per DR 1522.
3169         * include/tr1/complex (conj): Remove overloads and use std::conj.
3170         * testsuite/26_numerics/complex/dr781_dr1137.cc: Rename to...
3171         * testsuite/26_numerics/complex/dr781.cc: ... this, and update.
3172         * testsuite/26_numerics/complex/value_operations/constexpr2.cc: Test
3173         real(T) and imag(T). Allow testing for C++11 too.
3174
3175 2017-01-24  Jonathan Wakely  <jwakely@redhat.com>
3176
3177         PR libstdc++/79206
3178         * include/experimental/string_view (operator==): Check sizes first.
3179         * include/std/string_view (operator==): Likewise.
3180
3181 2017-01-23  Jonathan Wakely  <jwakely@redhat.com>
3182
3183         * testsuite/experimental/array/make_array.cc: Restore <functional>
3184         inclusion.
3185
3186 2017-01-23  Thomas Preud'homme  <thomas.preudhomme@arm.com>
3187
3188         * testsuite/29_atomics/atomic/69301.cc: Require atomic builtins.
3189
3190 2017-01-23  Jonathan Wakely  <jwakely@redhat.com>
3191
3192         PR libstdc++/79195
3193         * include/experimental/array (__make_array_elem): New class template
3194         and partial specialization.
3195         (__is_reference_wrapper): Move into __make_array_elem specialization.
3196         (make_array): Use __make_array_elem to determine element type and move
3197         static assertion into specialization. Qualify std::forward call.
3198         (to_array): Add exception specifiation.
3199         * testsuite/experimental/array/make_array.cc: Test argument types
3200         without a common type.
3201         * testsuite/experimental/array/neg.cc: Adjust expected error message.
3202
3203 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
3204
3205         * doc/xml/manual/debug.xml: code.google.com uses https now.
3206
3207 2017-01-22  Gerald Pfeifer  <gerald@pfeifer.com>
3208
3209         * doc/xml/manual/test.xml: Fix link into gccint online manual.
3210
3211 2017-01-21  Ville Voutilainen  <ville.voutilainen@gmail.com>
3212
3213         Make poisoned hashes SFINAE away the call operator of the hash.
3214         * include/bits/functional_hash.h
3215         (__poison_hash::__enable_hash_call): New.
3216         * include/std/optional (__optional_hash_call_base): New.
3217         (hash<optional<_Tp>>): Derive from the new base,
3218         move the hash function into that base.
3219         * include/std/variant (__variant_hash_call_base_impl): New.
3220         (__variant_hash_call_base): Likewise.
3221         (hash<variant<_Types...>>): Derive from the new base,
3222         move the hash function into that base.
3223         * testsuite/20_util/optional/hash.cc: Add tests for is_callable.
3224         * testsuite/20_util/variant/hash.cc: Likewise.
3225
3226 2017-01-20  Joe Seymour  <joe.s@somniumtech.com>
3227
3228         * acinclude.m4 (GLIBCXX_CHECK_SIZE_T_MANGLING): Support uint20_t.
3229         * configure: Regenerate.
3230
3231 2017-01-20  Jonathan Wakely  <jwakely@redhat.com>
3232
3233         PR libstdc++/69240
3234         * include/bits/random.h (uniform_real_distribution::param_type)
3235         (normal_distribution::param_type, lognormal_distribution::param_type)
3236         (gamma_distribution::param_type, chi_squared_distribution::param_type)
3237         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
3238         (student_t_distribution::param_type)
3239         (bernoulli_distribution::param_type, binomial_distribution::param_type)
3240         (geometric_distribution::param_type)
3241         (negative_binomial_distribution::param_type)
3242         (poisson_distribution::param_type)
3243         (exponential_distribution::param_type)
3244         (weibull_distribution::param_type)
3245         (extreme_value_distribution::param_type)
3246         (discrete_distribution::param_type)
3247         (piecewise_constant_distribution::param_type)
3248         (piecewise_linear_distribution::param_type): Define operator!=.
3249         * include/bits/uniform_int_dist.h
3250         (uniform_int_distribution::param_type): Likewise.
3251         * include/ext/random (beta_distribution::param_type)
3252         (rice_distribution::param_type, nakagami_distribution::param_type)
3253         (pareto_distribution::param_type, k_distribution::param_type)
3254         (arcsine_distribution::param_type, hoyt_distribution::param_type)
3255         (triangular_distribution::param_type)
3256         (von_mises_distribution::param_type)
3257         (hypergeometric_distribution::param_type)
3258         (logistic_distribution::param_type)
3259         (uniform_on_sphere_distribution::param_type)
3260         (uniform_inside_sphere_distribution::param_type): Likewise.
3261         * testsuite/26_numerics/random/bernoulli_distribution/cons/parms.cc:
3262         Test construction with param_type.
3263         * testsuite/26_numerics/random/binomial_distribution/cons/parms.cc:
3264         Likewise.
3265         * testsuite/26_numerics/random/cauchy_distribution/cons/parms.cc:
3266         Likewise.
3267         * testsuite/26_numerics/random/chi_squared_distribution/cons/parms.cc:
3268         Likewise.
3269         * testsuite/26_numerics/random/exponential_distribution/cons/parms.cc:
3270         Likewise.
3271         * testsuite/26_numerics/random/extreme_value_distribution/cons/
3272         parms.cc: Likewise.
3273         * testsuite/26_numerics/random/fisher_f_distribution/cons/parms.cc:
3274         Likewise.
3275         * testsuite/26_numerics/random/gamma_distribution/cons/parms.cc:
3276         Likewise.
3277         * testsuite/26_numerics/random/geometric_distribution/cons/parms.cc:
3278         Likewise.
3279         * testsuite/26_numerics/random/lognormal_distribution/cons/parms.cc:
3280         Likewise.
3281         * testsuite/26_numerics/random/negative_binomial_distribution/cons/
3282         parms.cc: Likewise.
3283         * testsuite/26_numerics/random/normal_distribution/cons/parms.cc:
3284         Likewise.
3285         * testsuite/26_numerics/random/poisson_distribution/cons/parms.cc:
3286         Likewise.
3287         * testsuite/26_numerics/random/student_t_distribution/cons/parms.cc:
3288         Likewise.
3289         * testsuite/26_numerics/random/uniform_int_distribution/cons/parms.cc:
3290         Likewise.
3291         * testsuite/26_numerics/random/uniform_real_distribution/cons/parms.cc:
3292         Likewise.
3293         * testsuite/26_numerics/random/weibull_distribution/cons/parms.cc:
3294         Likewise.
3295         * testsuite/ext/random/arcsine_distribution/cons/parms.cc: Likewise.
3296         * testsuite/ext/random/beta_distribution/cons/parms.cc: Likewise.
3297         * testsuite/ext/random/hoyt_distribution/cons/parms.cc: Likewise.
3298         * testsuite/ext/random/hypergeometric_distribution/cons/parms.cc:
3299         Likewise.
3300         * testsuite/ext/random/k_distribution/cons/parms.cc: Likewise.
3301         * testsuite/ext/random/logistic_distribution/cons/parms.cc: Likewise.
3302         * testsuite/ext/random/nakagami_distribution/cons/parms.cc: Likewise.
3303         * testsuite/ext/random/normal_mv_distribution/cons/parms.cc: Likewise.
3304         * testsuite/ext/random/pareto_distribution/cons/parms.cc: Likewise.
3305         * testsuite/ext/random/rice_distribution/cons/parms.cc: Likewise.
3306         * testsuite/ext/random/triangular_distribution/cons/parms.cc:
3307         Likewise.
3308         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/
3309         parms.cc: Likewise.
3310         * testsuite/ext/random/von_mises_distribution/cons/parms.cc: Likewise.
3311
3312         PR libstdc++/72792
3313         * include/bits/alloc_traits.h (__allocator_traits_base::__diff_type)
3314         (__allocator_traits_base::__size_type): Remove.
3315         (allocator_traits::_Ptr): New class template to detect const and void
3316         pointer types without instantiating pointer_traits::rebind
3317         unnecessarily.
3318         (allocator_traits::_Diff): Likewise for detecting difference_type.
3319         (allocator_traits::_Size): New class template to detect size_type
3320         without instantiating make_unsigned unnecessarily.
3321         * include/bits/ptr_traits.h (pointer_traits::element_type): Use
3322         __detected_or_t instead of __detected_or_t_.
3323         * include/std/type_traits (__detected_or_t_): Remove.
3324         * testsuite/20_util/allocator_traits/members/pointers.cc: New test.
3325
3326         PR libstdc++/72792
3327         PR libstdc++/72793
3328         * include/bits/alloc_traits.h (__allocator_traits_base::__rebind):
3329         Replace with class template using void_t.
3330         (__alloc_rebind): Define in terms of
3331         __allocator_traits_base::__rebind.
3332         (allocator_traits): Remove unconditional static_assert for
3333         rebind_alloc.
3334         * include/bits/ptr_traits.h (__replace_first_arg): Remove type member.
3335         (pointer_traits::__rebind): Replace with class template using void_t.
3336         (pointer_traits::rebind): Define in terms of __rebind.
3337         (pointer_traits): Remove unconditional static_assert for rebind.
3338         * testsuite/20_util/allocator_traits/members/rebind_alloc.cc: New test.
3339         * testsuite/20_util/pointer_traits/rebind.cc: New test.
3340
3341         PR libstdc++/69321
3342         * include/experimental/any (__any_caster): Avoid instantiating
3343         manager function for types that can't be stored in any.
3344         * include/std/any (__any_caster): Likewise.
3345         * testsuite/20_util/any/misc/any_cast.cc: Test non-copyable type.
3346         * testsuite/experimental/any/misc/any_cast.cc: Likewise.
3347
3348         PR libstdc++/64903
3349         * include/bits/stl_algo.h (is_partitioned): Use increment instead of
3350         std::advance.
3351
3352 2017-01-19  Jonathan Wakely  <jwakely@redhat.com>
3353
3354         PR libstdc++/79156
3355         * include/bits/shared_ptr_base.h (__enable_shared_from_this_base):
3356         Fix return type.
3357         (__enable_shared_from_this): Declare __shared_ptr as a friend.
3358         * testsuite/ext/shared_ptr/1.cc: New test.
3359
3360         PR libstdc++/64903
3361         * include/bits/stl_algo.h (is_partitioned): Don't retest the partition
3362         point.
3363         * testsuite/25_algorithms/is_partitioned/2.cc: New test.
3364
3365         * doc/xml/manual/abi.xml: Fix typo.
3366         * doc/html/manual/abi.html: Likewise.
3367
3368         PR libstdc++/67085
3369         * include/bits/predefined_ops.h (_Iter_less_val, _Val_less_iter): Add
3370         converting constructors from _Iter_less_iter.
3371         (_Iter_comp_val, _Val_comp_iter): Add converting constructors from
3372         _Iter_comp_iter.
3373         (__iter_comp_val(_Iter_comp_iter<C>): Use converting constructor.
3374         (__val_comp_iter(_Iter_comp_iter<C>): Likewise.
3375         * include/bits/stl_heap.h (__is_heap_until, __push_heap, __pop_heap)
3376         (__make_heap, __sort_heap): Change _Compare parameters to references.
3377         (__is_heap, push_heap, __adjust_heap, __pop_heap, pop_heap)
3378         (__make_heap, make_heap, sort_heap, is_heap_until): Pass comparison
3379         functions as lvalues.
3380         (is_heap): Call __is_heap_until directly to avoid copying __comp.
3381         * testsuite/23_containers/priority_queue/67085.cc: Adjust test to
3382         count copies during construction with empty sequence.
3383
3384         PR libstdc++/67085
3385         * include/bits/stl_heap.h (__is_heap): Use _GLIBCXX_MOVE.
3386         (__make_heap, __sort_heap): Don't use _GLIBCXX_MOVE inside loops.
3387         * testsuite/23_containers/priority_queue/67085.cc: Adjust expected
3388         number of copies.
3389         * testsuite/25_algorithms/make_heap/movable.cc: New test.
3390
3391         PR libstdc++/67085
3392         * include/bits/stl_heap.h (push_heap, __adjust_heap, __pop_heap)
3393         (pop_heap, __make_heap, make_heap, __sort_heap, sort_heap): Use
3394         _GLIBCXX_MOVE when passing comparison function to other functions.
3395         (is_heap_until, is_heap): Use std::move when passing comparison
3396         function.
3397         * testsuite/23_containers/priority_queue/67085.cc: New test.
3398
3399         PR libstdc++/78905
3400         * doc/xml/manual/abi.xml (abi.versioning.history): Add markup to
3401         macro names, filenames, and literal values. Document _GLIBCXX_RELEASE.
3402         Document that the deprecated _GLIBCXX_VERSION macro was removed for
3403         the 4.0.0 release.
3404         * doc/html/*: Regenerate.
3405         * include/Makefile.am (_GLIBCXX_RELEASE): Set value.
3406         * include/Makefile.in: Regenerate.
3407         * include/bits/c++config (_GLIBCXX_RELEASE): Add #define.
3408         * testsuite/ext/profile/mutex_extensions_neg.cc: Use lineno of 0 in
3409         dg-error.
3410
3411 2017-01-18  Jonathan Wakely  <jwakely@redhat.com>
3412
3413         PR libstdc++/69301
3414         * include/std/atomic (atomic<T>::load, atomic<T>::exchange): Use
3415         aligned buffer instead of default-initialized variable.
3416         * testsuite/29_atomics/atomic/69301.cc: New test.
3417         * include/experimental/memory (observer_ptr::release): Use reserved
3418         name.
3419         * include/ext/pointer.h (_Pointer_adapter::operator++(int))
3420         (_Pointer_adapter::operator--(int)): Likewise.
3421
3422         PR libstdc++/68925
3423         * include/experimental/random (randint): Use temporary instead of
3424         thread_local static.
3425
3426 2017-01-17  Joshua Conner  <joshconner@google.com>
3427
3428         * crossconfig.m4: Add fuchsia OS.
3429         * configure: Regenerate.
3430
3431 2017-01-17  Jonathan Wakely  <jwakely@redhat.com>
3432
3433         PR libstdc++/69699
3434         * doc/xml/manual/abi.xml (abi.versioning.history): Explain why the
3435         __GLIBCXX__ macro is not useful. Remove redundant date information
3436         and link to the GCC release timeline.
3437         (abi.versioning.active): Move partial sentence into the previous
3438         paragraph.
3439         * doc/html/*: Regenerate.
3440
3441         PR libstdc++/79114
3442         * libsupc++/nested_exception.h (throw_with_nested): Use decay instead
3443         of remove_reference.
3444         * testsuite/18_support/nested_exception/79114.cc: New test.
3445
3446 2017-01-17  Jakub Jelinek  <jakub@redhat.com>
3447
3448         PR other/79046
3449         * configure.ac: Add GCC_BASE_VER.
3450         * fragment.am (gcc_version): Use @get_gcc_base_ver@ instead of cat to
3451         get version from BASE-VER file.
3452         * po/Makefile.in: Regenerated.
3453         * libsupc++/Makefile.in: Regenerated.
3454         * testsuite/Makefile.in: Regenerated.
3455         * src/Makefile.in: Regenerated.
3456         * configure: Regenerated.
3457         * Makefile.in: Regenerated.
3458         * include/Makefile.in: Regenerated.
3459         * doc/Makefile.in: Regenerated.
3460         * python/Makefile.in: Regenerated.
3461         * src/c++11/Makefile.in: Regenerated.
3462         * src/c++98/Makefile.in: Regenerated.
3463         * src/filesystem/Makefile.in: Regenerated.
3464
3465 2017-01-16  Jonathan Wakely  <jwakely@redhat.com>
3466
3467         PR libstdc++/66145
3468         * src/c++11/functexcept.cc: Use new ABI for std::ios_base::failure
3469         exceptions.
3470         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Don't override ABI
3471         for test, so new ios::failure can be caught.
3472         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3473         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3474         exceptions_failbit.cc: Likewise.
3475         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3476         exceptions_failbit.cc: Likewise.
3477         * testsuite/27_io/basic_istream/extractors_other/char/
3478         exceptions_null.cc: Likewise.
3479         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3480         exceptions_null.cc: Likewise.
3481         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3482         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3483         * testsuite/27_io/basic_ostream/inserters_other/char/
3484         exceptions_null.cc: Likewise.
3485         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3486         exceptions_null.cc: Likewise.
3487         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3488
3489         PR libstdc++/78702
3490         * include/bits/locale_classes.h (locale::facet::__shim): Change from
3491         private to protected.
3492         * src/c++11/cxx11-shim_facets.cc (__shim_accessor): Define helper to
3493         make locale::facet::__shim accessible.
3494
3495 2017-01-16  Ville Voutilainen  <ville.voutilainen@gmail.com>
3496
3497         PR libstdc++/78389
3498         * include/bits/list.tcc (merge(list&&)): Fix backwards size adjustments.
3499         (merge(list&&, _StrictWeakOrdering)): Likewise.
3500         * testsuite/23_containers/list/operations/78389.cc: Add
3501         better test for the sizes.
3502
3503 2017-01-14  Jonathan Wakely  <jwakely@redhat.com>
3504
3505         * testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
3506         Skip test when -D_GLIBCXX_PROFILE mode is included in options.
3507         * testsuite/23_containers/map/modifiers/extract.cc: Likewise.
3508         * testsuite/23_containers/map/modifiers/insert_or_assign/1.cc:
3509         Likewise.
3510         * testsuite/23_containers/map/modifiers/try_emplace/1.cc: Likewise.
3511         * testsuite/23_containers/multimap/modifiers/extract.cc: Likewise.
3512         * testsuite/23_containers/multiset/modifiers/extract.cc: Likewise.
3513         * testsuite/23_containers/set/modifiers/extract.cc: Likewise.
3514         * testsuite/23_containers/unordered_map/modifiers/extract.cc:
3515         Likewise.
3516         * testsuite/23_containers/unordered_multimap/modifiers/extract.cc::
3517         Likewise.
3518         * testsuite/23_containers/unordered_multiset/modifiers/extract.cc::
3519         Likewise.
3520         * testsuite/23_containers/unordered_set/modifiers/extract.cc:
3521         Likewise.
3522         * testsuite/23_containers/vector/modifiers/insert_vs_emplace.cc:
3523         Likewise.
3524         * testsuite/25_algorithms/binary_search/partitioned.cc: Likewise.
3525         * testsuite/25_algorithms/equal_range/partitioned.cc: Likewise.
3526         * testsuite/25_algorithms/lexicographical_compare/71545.cc: Likewise.
3527         * testsuite/25_algorithms/lower_bound/partitioned.cc: Likewise.
3528         * testsuite/25_algorithms/upper_bound/partitioned.cc: Likewise.
3529         * testsuite/libstdc++-prettyprinters/cxx11.cc: Likewise.
3530         * testsuite/libstdc++-prettyprinters/cxx17.cc: Likewise.
3531         * testsuite/libstdc++-prettyprinters/debug.cc: Likewise.
3532         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Likewise.
3533         * testsuite/libstdc++-prettyprinters/libfundts.cc: Likewise.
3534         * testsuite/libstdc++-prettyprinters/simple.cc: Likewise.
3535         * testsuite/libstdc++-prettyprinters/simple11.cc: Likewise.
3536         * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3537
3538 2017-01-13  Jonathan Wakely  <jwakely@redhat.com>
3539
3540         PR libstdc++/65411
3541         * config/io/basic_file_stdio.cc (__basic_file<char>::close()): Don't
3542         retry fclose on EINTR.
3543
3544         * include/profile/base.h: Remove unused header that leads to header
3545         cycle in C++17 mode.
3546
3547         PR libstdc++/79075
3548         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI] (basic_string):
3549         Make _If_sv private.
3550         [!_GLIBCXX_USE_CXX11_ABI] (basic_string): Add member functions taking
3551         basic_string_view arguments.
3552
3553         PR libstdc++/79075
3554         * testsuite/lib/libstdc++.exp (check_v3_target_filesystem_ts): Remove
3555         redundant option from cxxflags.
3556         (check_effective_target_cxx11-abi): Define.
3557         * testsuite/21_strings/basic_string/allocator/71964.cc: Use cxx11-abi
3558         effective target.
3559         * testsuite/21_strings/basic_string/allocator/char/copy.cc: Likewise.
3560         * testsuite/21_strings/basic_string/allocator/char/copy_assign.cc:
3561         Likewise.
3562         * testsuite/21_strings/basic_string/allocator/char/minimal.cc:
3563         Likewise.
3564         * testsuite/21_strings/basic_string/allocator/char/move.cc: Likewise.
3565         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
3566         Likewise.
3567         * testsuite/21_strings/basic_string/allocator/char/noexcept.cc:
3568         Likewise.
3569         * testsuite/21_strings/basic_string/allocator/char/swap.cc: Likewise.
3570         * testsuite/21_strings/basic_string/allocator/wchar_t/copy.cc:
3571         Likewise.
3572         * testsuite/21_strings/basic_string/allocator/wchar_t/copy_assign.cc:
3573         Likewise.
3574         * testsuite/21_strings/basic_string/allocator/wchar_t/minimal.cc:
3575         Likewise.
3576         * testsuite/21_strings/basic_string/allocator/wchar_t/move.cc:
3577         Likewise.
3578         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
3579         Likewise.
3580         * testsuite/21_strings/basic_string/allocator/wchar_t/noexcept.cc:
3581         Likewise.
3582         * testsuite/21_strings/basic_string/allocator/wchar_t/swap.cc:
3583         Likewise.
3584         * testsuite/23_containers/list/61347.cc: Likewise.
3585         * testsuite/27_io/basic_fstream/cons/base.cc: Likewise.
3586         * testsuite/27_io/ios_base/failure/cxx11.cc: Likewise.
3587
3588 2017-01-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3589
3590         PR libstdc++/78389
3591         * include/bits/list.tcc (merge(list&&)):
3592         Adjust list sizes if the comparator throws.
3593         (merge(list&&, _StrictWeakOrdering)): Likewise.
3594         (sort()): Splice elements back from the scratch buffers
3595         if the comparator throws.
3596         (sort(_StrictWeakOrdering)): Likewise.
3597         * testsuite/23_containers/list/operations/78389.cc: New.
3598
3599 2017-01-13  Jonathan Wakely  <jwakely@redhat.com>
3600
3601         * testsuite/23_containers/unordered_set/allocator/ext_ptr.cc: Mark
3602         XFAIL for C++17 until node reinsertion supports fancy pointers.
3603
3604         PR libstdc++/78361
3605         * testsuite/20_util/add_pointer/value.cc: Test forming function
3606         pointers.
3607
3608 2017-01-13  Michael Brune  <lucdanton@free.fr>
3609
3610         PR libstdc++/78361
3611         * include/std/type_traits (__is_referenceable): Handle noexcept
3612         function types.
3613
3614 2017-01-12  Jonathan Wakely  <jwakely@redhat.com>
3615
3616         PR libstdc++/77528
3617         * include/bits/stl_queue.h (queue, priority_queue): Remove default
3618         member-initializers and define default constructors as templates with
3619         constraints.
3620         * include/bits/stl_stack.h (stack): Likewise.
3621         * testsuite/23_containers/priority_queue/requirements/constructible.cc:
3622         New.
3623         * testsuite/23_containers/priority_queue/requirements/
3624         explicit_instantiation/1.cc: Test more instantiations.
3625         * testsuite/23_containers/priority_queue/requirements/
3626         explicit_instantiation/1_c++98.cc: Likewise.
3627         * testsuite/23_containers/queue/requirements/constructible.cc: New.
3628         * testsuite/23_containers/stack/requirements/constructible.cc: New.
3629
3630         PR libstdc++/66284
3631         * doc/xml/manual/intro.xml: Document LWG 2781 change.
3632         * doc/html/*: Regenerate.
3633         * include/std/functional (_Function_base::_Ref_manager): Remove.
3634         (_Function_handler): Remove partial specializations for
3635         reference_wrapper.
3636         (function::target): Remove special case for const qualification.
3637         * testsuite/20_util/function/6.cc: Adjust tests for target type.
3638         * testsuite/20_util/function/7.cc: Likewise.
3639         * testsuite/20_util/function/8.cc: Likewise.
3640
3641 2017-01-11  Jonathan Wakely  <jwakely@redhat.com>
3642
3643         PR libstdc++/78134
3644         * include/bits/stl_map.h (map::lower_bound, map::upper_bound)
3645         (map::equal_range): Fix return type of heterogeneous overloads.
3646         * include/bits/stl_multimap.h (multimap::lower_bound)
3647         (multimap::upper_bound, multimap::equal_range): Likewise.
3648         * include/bits/stl_multiset.h (multiset::lower_bound)
3649         (multiset::upper_bound, multiset::equal_range): Likewise.
3650         * include/bits/stl_set.h (set::lower_bound, set::upper_bound)
3651         (set::equal_range): Likewise.
3652         * testsuite/23_containers/map/operations/2.cc
3653         * testsuite/23_containers/multimap/operations/2.cc
3654         * testsuite/23_containers/multiset/operations/2.cc
3655         * testsuite/23_containers/set/operations/2.cc
3656
3657         PR libstdc++/78273
3658         * include/bits/stl_map.h (map::count<_Kt>(const _Kt&)): Don't assume
3659         the heterogeneous comparison can only find one match.
3660         * include/bits/stl_set.h (set::count<_Kt>(const _Kt&)): Likewise.
3661         * testsuite/23_containers/map/operations/2.cc: Test count works with
3662         comparison function that just partitions rather than sorting.
3663         * testsuite/23_containers/set/operations/2.cc: Likewise.
3664
3665 2017-01-11  Ville Voutilainen  <ville.voutilainen@gmail.com>
3666
3667         Reduce the size of variant, it doesn't need an index of
3668         type size_t internally.
3669         * include/std/variant (parse_numbers.h): New include.
3670         (__select_index): New.
3671         (_Variant_storage<false, _Types...>::_M_reset_impl): Use
3672         _index_type for comparison with variant_npos.
3673         (_Variant_storage<false, _Types...>::__index_type): New.
3674         (_Variant_storage<false, _Types...>::_M_index): Change the
3675         type from size_t to __index_type.
3676         (_Variant_storage<true, _Types...>::__index_type): New.
3677         (_Variant_storage<true, _Types...>::_M_index): Change the
3678         type from size_t to __index_type.
3679         (_Variant_base::_M_valid): Use _Storage::__index_type
3680         for comparison with variant_npos.
3681         (variant::index): Use _Base::_Storage::__index_type
3682         for comparison with variant_npos.
3683         * testsuite/20_util/variant/index_type.cc: New.
3684
3685 2017-01-10  Jonathan Wakely  <jwakely@redhat.com>
3686
3687         * testsuite/18_support/exception_ptr/60612-unexpected.cc: Adjust
3688         effective target selector to prevent running in C++17 mode.
3689
3690         PR libstdc++/77528
3691         * include/bits/stl_queue.h (queue::c): Add default member initializer.
3692         (queue::queue()): Add constructor and define as defaulted.
3693         (queue::queue(_Sequence&&)): Remove default argument.
3694         (priority_queue::c, priority_queue::comp): Add default member
3695         initializers.
3696         (priority_queue::priority_queue()): Add constructor and define as
3697         defaulted.
3698         (priority_queue::priority_queue(const _Compare&, _Sequence&&)):
3699         Remove default argument for first parameter.
3700         * include/bits/stl_stack.h (stack::c): Add default member initializer.
3701         (stack::stack()): Add constructor and define as defaulted.
3702         (stack::stack(const _Sequence&)): Remove default argument.
3703         * testsuite/23_containers/priority_queue/requirements/
3704         explicit_instantiation/1.cc: Test explicit instantiation with
3705         non-DefaultConstructible sequence.
3706         * testsuite/23_containers/priority_queue/77528.cc: New test.
3707         * testsuite/23_containers/priority_queue/requirements/
3708         explicit_instantiation/1_c++0x.cc: Replace with 1_c++98.cc.
3709         * testsuite/23_containers/queue/77528.cc: New test.
3710         * testsuite/23_containers/queue/requirements/explicit_instantiation/
3711         1.cc: Test explicit instantiation with non-DefaultConstructible
3712         sequence.
3713         * testsuite/23_containers/queue/requirements/explicit_instantiation/
3714         1_c++0x.cc: Replace with 1_c++98.cc.
3715         * testsuite/23_containers/stack/77528.cc: New test.
3716         * testsuite/23_containers/stack/requirements/explicit_instantiation/
3717         1.cc: Test explicit instantiation with non-DefaultConstructible
3718         sequence.
3719         * testsuite/23_containers/stack/requirements/explicit_instantiation/
3720         1_c++0x.cc: Replace with 1_c++98.cc.
3721
3722 2017-01-10  Felipe Magno de Almeida <felipe@expertisesolutions.com.br>
3723
3724         * include/bits/locale_facets_nonio.tcc
3725         (time_get::_M_extract_via_format): Avoid compilation errors with
3726         non-standard struct tm.
3727
3728 2017-01-10  François Dumont  <fdumont@gcc.gnu.org>
3729             Jonathan Wakely  <jwakely@redhat.com>
3730
3731         * python/libstdcxx/v6/printers.py (_versioned_namespace): Define.
3732         (is_specialization, strip_versioned_namespace): New helpers functions
3733         to work with symbols in the versioned namespace.
3734         (Printer.add_version): Add second name using versioned namespace.
3735         (add_one_template_type_printer, add_one_type_printer): Add second
3736         type printers using versioned namespace.
3737         (register_type_printers): Add template type printer for basic_string.
3738         (build_libstdcxx_dictionary): Remove dead code.
3739         * python/libstdcxx/v6/xmethods.py: Make all matchers look for
3740         versioned namespace.
3741         * testsuite/libstdc++-prettyprinters/48362.cc: Adjust expected
3742         results.
3743         * testsuite/libstdc++-prettyprinters/whatis.cc: Likewise.
3744
3745 2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
3746
3747         PR libstdc++/79017
3748         * acinclude.m4 (GLIBCXX_CHECK_C99_TR1): Check for llrint and llround
3749         functions separately on darwin and if they're missing define
3750         _GLIBCXX_NO_C99_ROUNDING_FUNCS.
3751         * config.h.in: Regenerate.
3752         * configure: Regenerate.
3753         * include/c_global/cmath [_GLIBCXX_NO_C99_ROUNDING_FUNCS] (llrint)
3754         (llrintf, llrintl, llround, llroundf, llroundl): Do not define.
3755
3756         * testsuite/30_threads/condition_variable/members/3.cc: Use new macro
3757         to detect correct thread_local destructors.
3758         * testsuite/util/testsuite_hooks.h (CORRECT_THREAD_LOCAL_DTORS):
3759         Define.
3760
3761 2017-01-09  Jonathan Wakely  <jwakely@redhat.com>
3762             Aditya Kumar  <hiraditya@msn.com>
3763
3764         PR libstdc++/66414
3765         * include/bits/basic_string.tcc
3766         (basic_string::find(const CharT*, size_type, size_type)): Optimize.
3767
3768 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
3769
3770         * testsuite/21_strings/basic_string/operations/find/char/6.cc: New.
3771         * testsuite/21_strings/basic_string/operations/find/wchar_t/6.cc: New.
3772
3773         * testsuite/util/performance/priority_queue/mem_usage/pop_test.hpp:
3774         Include <cassert> header.
3775
3776         PR libstdc++/78968
3777         * crossconfig.m4: Check for __cxa_thread_atexit on *-*-freebsd*.
3778         * configure: Regenerate.
3779
3780 2017-01-06  Barrett Adair  <barrettellisadair@gmail.com>
3781             Jonathan Wakely  <jwakely@redhat.com>
3782
3783         * include/std/variant (variant, swap): Replace __and_ usage with fold
3784         expressions.
3785
3786 2017-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3787
3788         PR go/78978
3789         * acinclude.m4 (GLIBCXX_CHECK_ASSEMBLER_HWCAP): Remove.
3790         * configure.ac: Call GCC_CHECK_ASSEMBLER_HWCAP instead of
3791         GLIBCXX_CHECK_ASSEMBLER_HWCAP.
3792         * fragment.am (CONFIG_CXXFLAGS): Use HWCAP_CFLAGS instead of
3793         HWCAP_FLAGS.
3794         * aclocal.m4: Regenerate.
3795         * configure: Regenerate.
3796         * Makefile.in, doc/Makefile.in, include/Makefile.in,
3797         libsupc++/Makefile.in, po/Makefile.in, python/Makefile.in,
3798         src/Makefile.in, src/c++11/Makefile.in, src/c++98/Makefile.in,
3799         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
3800
3801 2017-01-06  Jonathan Wakely  <jwakely@redhat.com>
3802
3803         * include/bits/c++config (_GLIBCXX_ASSERTIONS): Avoid redefinition.
3804
3805         PR libstdc++/78991
3806         * include/bits/predefined_ops.h (_Iter_comp_iter, _Iter_comp_val)
3807         (_Val_comp_iter, _Iter_equals_val, _Iter_pred, _Iter_comp_to_val)
3808         (_Iter_comp_to_iter, _Iter_negate): Make constructors explicit and
3809         move function objects.
3810         (__iter_comp_iter, __iter_comp_val, __val_comp_iter, __pred_iter)
3811         (__iter_comp_val, __iter_comp_iter, __negate): Move function objects.
3812         * testsuite/25_algorithms/sort/78991.cc: New test.
3813
3814 2017-01-05  Jonathan Wakely  <jwakely@redhat.com>
3815
3816         * include/bits/std_function.h (function::_Signature_type): Remove.
3817         (function::function(_Functor)): Adjust.
3818
3819 2017-01-05  Tim Shen  <timshen@google.com>
3820
3821         PR libstdc++/78996
3822         * include/std/variant (__gen_vtable_impl): rename __unused to
3823         __dimensions to avoid naming conflict.
3824
3825 2017-01-04  Jonathan Wakely  <jwakely@redhat.com>
3826
3827         PR libstdc++/78968
3828         * config.h.in: Regenerate.
3829         * configure: Likewise.
3830         * configure.ac: Check for __cxa_thread_atexit.
3831         * libsupc++/atexit_thread.cc [_GLIBCXX_HAVE___CXA_THREAD_ATEXIT]:
3832         Don't define __cxa_thread_atexit if libc provides it.
3833
3834 2017-01-04  Ville Voutilainen  <ville.voutilainen@gmail.com>
3835
3836         Implement 2801, Default-constructibility of unique_ptr.
3837         * include/bits/unique_ptr.h (__uniq_ptr_impl::_DeleterConstraint): New.
3838         (unique_ptr::_DeleterConstraint): Likewise.
3839         (unique_ptr()): Constrain.
3840         (unique_ptr(pointer)): Likewise.
3841         (unique_ptr(nullptr_t)): Likewise.
3842         (unique_ptr<_Tp[], _Dp>::_DeleterConstraint): New.
3843         (unique_ptr<_Tp[], _Dp>::unique_ptr()): Constrain.
3844         (unique_ptr<_Tp[], _Dp>::unique_ptr(_Up)): Likewise.
3845         (unique_ptr<_Tp[], _Dp>::unique_ptr(nullptr_t)): Likewise.
3846         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Adjust.
3847         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
3848         * testsuite/20_util/unique_ptr/cons/default.cc: New.
3849         * testsuite/20_util/unique_ptr/cons/ptr_deleter_neg.cc: Adjust.
3850
3851 2017-01-04  Pauli Nieminen  <suokkos@gmail.com>
3852             Jonathan Wakely  <jwakely@redhat.com>
3853
3854         PR libstdc++/64735
3855         * acinclude.m4 (GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER): Define.
3856         * config.h.in: Regenerate.
3857         * config/abi/pre/gnu.ver [HAVE_EXCEPTION_PTR_SINCE_GCC46]
3858         (GLIBCXX_3.4.15, GLIBCXX_3.4.21, CXXABI_1.3.3, CXXABI_1.3.5): Make
3859         exports for exception_ptr, nested_exception, and future conditional.
3860         [HAVE_EXCEPTION_PTR_SINCE_GCC46] (GLIBCXX_3.4.23, CXXABI_1.3.11): Add
3861         exports for exception_ptr, nested_exception, and future conditional.
3862         * configure: Regenerate.
3863         * configure.ac: Use GLIBCXX_CHECK_EXCEPTION_PTR_SYMVER.
3864         * include/std/future: Remove check for ATOMIC_INT_LOCK_FREE
3865         * libsupc++/eh_atomics.h: New file for internal use only.
3866         (__eh_atomic_inc, __eh_atomic_dec): New.
3867         * libsupc++/eh_ptr.cc (exception_ptr::_M_addref)
3868         (exception_ptr::_M_release) (__gxx_dependent_exception_cleanup)
3869         (rethrow_exception): Use eh_atomics.h reference counting helpers.
3870         * libsupc++/eh_throw.cc (__gxx_exception_cleanup): Likewise.
3871         * libsupc++/eh_tm.cc (free_any_cxa_exception): Likewise.
3872         * libsupc++/exception: Remove check for ATOMIC_INT_LOCK_FREE.
3873         * libsupc++/exception_ptr.h: Likewise.
3874         * libsupc++/guard.cc: Include header for ATOMIC_INT_LOCK_FREE macro.
3875         * libsupc++/nested_exception.cc: Remove check for
3876         ATOMIC_INT_LOCK_FREE.
3877         * libsupc++/nested_exception.h: Likewise.
3878         * src/c++11/future.cc: Likewise.
3879         * testsuite/18_support/exception_ptr/*: Remove atomic builtins checks.
3880         * testsuite/18_support/nested_exception/*: Likewise.
3881         * testsuite/30_threads/async/*: Likewise.
3882         * testsuite/30_threads/future/*: Likewise.
3883         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
3884         * testsuite/30_threads/packaged_task/*: Likewise.
3885         * testsuite/30_threads/promise/*: Likewise.
3886         * testsuite/30_threads/shared_future/*: Likewise.
3887
3888 2017-01-03  Gerald Pfeifer  <gerald@pfeifer.com>
3889
3890         * doc/xml/manual/documentation_hacking.xml: sourceforge.net now
3891         defaults to https; adjust reference.
3892
3893 2017-01-03  Jonathan Wakely  <jwakely@redhat.com>
3894
3895         PR libstdc++/78956
3896         * include/std/thread (thread(const thread&&)): Add deleted
3897         constructor.
3898         * testsuite/30_threads/thread/cons/lwg2097.cc: New test.
3899
3900         * doc/xml/manual/spine.xml: Update copyright years.
3901         * doc/xml/manual/build_hacking.xml: Fix spelling of libbuilddir.
3902         * doc/xml/manual/test.xml: Likewise.
3903         * doc/html/*: Regenerate.
3904
3905 2017-01-01  Gerald Pfeifer  <gerald@pfeifer.com>
3906
3907         * doc/xml/faq.xml: Update address of C++ ABI link.
3908         * doc/xml/manual/abi.xml: Ditto.
3909
3910 2017-01-01  Jakub Jelinek  <jakub@redhat.com>
3911
3912         Update copyright years.
3913 \f
3914 Copyright (C) 2017 Free Software Foundation, Inc.
3915
3916 Copying and distribution of this file, with or without modification,
3917 are permitted in any medium without royalty provided the copyright
3918 notice and this notice are preserved.