libstdc++-v3/ChangeLog

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