libstdc++-v3/ChangeLog

   1 2018-12-12  Jakub Jelinek  <jakub@redhat.com>
   2
   3         P0595R2 - is_constant_evaluated
   4         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED):
   5         Define if __builtin_is_constant_evaluated is available.
   6         * include/std/type_traits (std::is_constant_evaluated): New constexpr
   7         inline function.
   8         * testsuite/20_util/is_constant_evaluated/1.cc: New test.
   9         * testsuite/20_util/is_constant_evaluated/noexcept.cc: New test.
  10
  11 2018-12-10  Gerald Pfeifer  <gerald@pfeifer.com>
  12
  13         * doc/xml/manual/documentation_hacking.xml: Update reference
  14         to epubcheck.
  15
  16 2018-12-10  Jonathan Wakely  <jwakely@redhat.com>
  17
  18         * testsuite/experimental/filesystem/path/query/is_absolute.cc: Fix
  19         test to use TS, not C++17.
  20
  21 2018-12-06  Iain Sandoe  <iain@sandoe.co.uk>
  22
  23         * scripts/make_exports.pl (check names): Don’t try to export
  24         construction vtable symbols.
  25
  26 2018-12-06  Jonathan Wakely  <jwakely@redhat.com>
  27             Iain Sandoe  <iain@sandoe.co.uk>
  28
  29         PR libstdc++/64883
  30         * testsuite/17_intro/headers/c++1998/all_attributes.cc: Don't test
  31         always_inline on Darwin.
  32         * testsuite/17_intro/headers/c++2011/all_attributes.cc: Likewise.
  33         * testsuite/17_intro/headers/c++2014/all_attributes.cc: Likewise.
  34         * testsuite/17_intro/headers/c++2017/all_attributes.cc: Likewise.
  35         * testsuite/17_intro/headers/c++2020/all_attributes.cc: Likewise.
  36
  37 2018-12-03  Edward Smith-Rowland  <3dw4rd@verizon.net>
  38
  39         PR libstdc++/88341 - Complex norm doesn't compile with C++11
  40         * include/std/complex (_S_do_it): Make C++20 constexpr.
  41         * testsuite/26_numerics/complex/value_operations/pr88341.cc: New test.
  42
  43 2018-11-30  Edward Smith-Rowland  <3dw4rd@verizon.net>
  44
  45         Implement P0457R2 String Prefix and Suffix Checking.
  46         * include/bits/basic_string.h: Add starts_with, ends_with members.
  47         * include/std/string_view: Ditto.
  48         * testsuite/21_strings/basic_string/operations/starts_with/
  49         char/1.cc: New test.
  50         * testsuite/21_strings/basic_string/operations/starts_with/
  51         wchar_t/1.cc: New test.
  52         * testsuite/21_strings/basic_string/operations/ends_with/
  53         char/1.cc: New test.
  54         * testsuite/21_strings/basic_string/operations/ends_with/
  55         wchar_t/1.cc: New test.
  56         * testsuite/21_strings/basic_string_view/operations/starts_with/
  57         char/1.cc: New test.
  58         * testsuite/21_strings/basic_string_view/operations/starts_with/
  59         wchar_t/1.cc: New test.
  60         * testsuite/21_strings/basic_string_view/operations/ends_with/
  61         char/1.cc: New test.
  62         * testsuite/21_strings/basic_string_view/operations/ends_with/
  63         wchar_t/1.cc: New test.
  64
  65 2018-11-30  Edward Smith-Rowland  <3dw4rd@verizon.net>
  66
  67         Pre-emptively support P0646R1 for std container erasure.
  68         * include/bits/erase_if.h: Accumulate and return number of erased nodes.
  69         * include/std/forward_list (): Return number of erased items.
  70         * include/std/list (): Ditto.
  71         * include/std/map (): Ditto.
  72         * include/std/set (): Ditto.
  73         * include/std/string (): Ditto.
  74         * include/std/unordered_map (): Ditto.
  75         * include/std/unordered_set (): Ditto.
  76         * include/std/vector (): Ditto.
  77         * include/std/deque (): Ditto.
  78         * testsuite/21_strings/basic_string/erasure.cc: Test number of erasures.
  79         * testsuite/23_containers/deque/erasure.cc: Ditto.
  80         * testsuite/23_containers/forward_list/erasure.cc: Ditto.
  81         * testsuite/23_containers/list/erasure.cc: Ditto.
  82         * testsuite/23_containers/map/erasure.cc: Ditto.
  83         * testsuite/23_containers/set/erasure.cc: Ditto.
  84         * testsuite/23_containers/unordered_map/erasure.cc: Ditto.
  85         * testsuite/23_containers/unordered_set/erasure.cc: Ditto.
  86         * testsuite/23_containers/vector/erasure.cc: Ditto.
  87
  88 2018-11-29  Edward Smith-Rowland  <3dw4rd@verizon.net>
  89
  90         Only include bits/stl_algo.h for C++20.
  91         * include/std/deque: Only include bits/stl_algo.h for C++20.
  92         * include/std/string: Ditto.
  93         * include/std/vector: Ditto.
  94
  95 2018-11-29  Edward Smith-Rowland  <3dw4rd@verizon.net>
  96
  97         Fix erasure goofs.
  98         * include/experimental/deque: Make inline.
  99         * include/std/deque: Include bits/stl_algo.h.
 100         (erase, erase_if): Make inline.
 101         * include/std/string: Include bits/stl_algo.h.
 102         * include/std/unordered_set: Add erase, erase_if!
 103         * include/std/vector: Include bits/stl_algo.h.
 104         * testsuite/21_strings/basic_string/erasure.cc:
 105         Add { dg-options "-std=gnu++2a" }.
 106         * testsuite/23_containers/deque/erasure.cc: Ditto.
 107         * testsuite/23_containers/forward_list/erasure.cc: Ditto.
 108         * testsuite/23_containers/list/erasure.cc: Ditto.
 109         * testsuite/23_containers/map/erasure.cc: Ditto.
 110         * testsuite/23_containers/set/erasure.cc: Ditto.
 111         * testsuite/23_containers/unordered_map/erasure.cc: Ditto.
 112         * testsuite/23_containers/unordered_set/erasure.cc: Ditto.
 113         * testsuite/23_containers/vector/erasure.cc: Ditto.
 114
 115 2018-11-29  Jonathan Wakely  <jwakely@redhat.com>
 116
 117         PR libstdc++/88119
 118         * include/ext/aligned_buffer.h (__aligned_membuf): Add comment.
 119         (__aligned_buffer): Use __alignof__ instead of std::alignment_of.
 120         * include/std/type_traits (alignment_of): Use alignof instead of
 121         __alignof__.
 122         * testsuite/20_util/alignment_of/value.cc: Fix test to check values
 123         match alignof not __alignof__, as required by the standard.
 124
 125         PR libstdc++/86910
 126         PR libstdc++/87846
 127         * src/filesystem/ops.cc (experimental::create_directories): Report
 128         an error when the path resolves to an existing non-directory (P1164).
 129         * src/filesystem/std-ops.cc (create_directories): Likewise. Handle
 130         empty filenames due to trailing slashes.
 131         * testsuite/27_io/filesystem/operations/create_directories.cc: Test
 132         when some component of the path exists and is not a directory. Test
 133         trailing slashes.
 134         * testsuite/experimental/filesystem/operations/create_directories.cc:
 135         Likewise.
 136
 137 2018-11-28  Jonathan Wakely  <jwakely@redhat.com>
 138
 139         PR libstdc++/83306
 140         * src/filesystem/path.cc (filesystem_error::_M_gen_what()): Create
 141         string directly, instead of calling fs_err_concat.
 142
 143         PR libstdc++/83511
 144         * include/std/string_view (basic_string_view::substr): Add default
 145         argument to first parameter.
 146         * include/experimental/string_view (basic_string_view::substr):
 147         Likewise.
 148         * testsuite/21_strings/basic_string_view/operations/substr/char/
 149         83511.cc: New test.
 150         * testsuite/21_strings/basic_string_view/operations/substr/wchar_t/
 151         83511.cc: New test.
 152         * testsuite/experimental/string_view/operations/substr/char/83511.cc:
 153         New test.
 154         * testsuite/experimental/string_view/operations/substr/wchar_t/83511.cc:
 155         New test.
 156
 157 2018-11-28  Edward Smith-Rowland  <3dw4rd@verizon.net>
 158
 159         Implement uniform container erasure for C++20.
 160         * include/Makefile.am: Move erase_if.h.
 161         * include/Makefile.in: Move erase_if.h.
 162         * include/experimental/bits/erase_if.h: Move ...
 163         * include/bits/erase_if.h: ... here.
 164         * include/experimental/map: Move erase_if.h.
 165         * include/experimental/set: Move erase_if.h.
 166         * include/experimental/unordered_map: Move erase_if.h.
 167         * include/experimental/unordered_set: Move erase_if.h.
 168         * include/std/deque (erase_if, erase): New functions.
 169         * include/std/forward_list: Ditto.
 170         * include/std/list: Ditto.
 171         * include/std/map: Ditto.
 172         * include/std/set: Ditto.
 173         * include/std/string: Ditto.
 174         * include/std/unordered_map: Ditto.
 175         * include/std/unordered_set: Ditto.
 176         * include/std/vector: Ditto.
 177         * testsuite/21_strings/basic_string/erasure.cc: New test.
 178         * testsuite/23_containers/deque/erasure.cc: New test.
 179         * testsuite/23_containers/forward_list/erasure.cc: New test.
 180         * testsuite/23_containers/list/erasure.cc: New test.
 181         * testsuite/23_containers/map/erasure.cc: New test.
 182         * testsuite/23_containers/set/erasure.cc: New test.
 183         * testsuite/23_containers/unordered_map/erasure.cc: New test.
 184         * testsuite/23_containers/unordered_set/erasure.cc: New test.
 185         * testsuite/23_containers/vector/erasure.cc: New test.
 186
 187 2018-11-28  Jonathan Wakely  <jwakely@redhat.com>
 188
 189         * doc/xml/manual/intro.xml: Document LWG 3096 change.
 190         * src/filesystem/std-path.cc (path::lexically_relative(const path&)):
 191         Treat a final empty element equivalently to a final dot element.
 192         * testsuite/27_io/filesystem/path/generation/relative.cc: Add checks
 193         for the examples in the DR.
 194
 195         PR libstdc++/83306
 196         * include/bits/fs_path.h (filesystem_error): Move data members into
 197         pimpl class owned by shared_ptr. Remove inline definitions of member
 198         functions.
 199         * src/filesystem/std-path.cc (filesystem_error::_Impl): Define.
 200         (filesystem_error): Define member functions.
 201         * testsuite/27_io/filesystem/filesystem_error/cons.cc: New test.
 202         * testsuite/27_io/filesystem/filesystem_error/copy.cc: New test.
 203
 204         * doc/xml/manual/status_cxx2017.xml: Update C++17 status.
 205         * doc/html/*: Regenerate.
 206
 207 2018-11-27  Jonathan Wakely  <jwakely@redhat.com>
 208
 209         * testsuite/27_io/filesystem/operations/canonical.cc: Remove
 210         directory created by test.
 211         * testsuite/27_io/filesystem/operations/symlink_status.cc: Remove
 212         symlink created by test.
 213
 214         PR libstdc++/67843
 215         * acinclude.m4 (GLIBCXX_ENABLE_LOCK_POLICY): Add new macro
 216         that defines _GLIBCXX_HAVE_ATOMIC_LOCK_POLICY.
 217         * config.h.in: Regenerate.
 218         * configure: Regenerate.
 219         * configure.ac: Use GLIBCXX_ENABLE_LOCK_POLICY.
 220         * doc/xml/manual/configure.xml: Document new configure option.
 221         * include/bits/fs_dir.h (directory_iterator): Use __shared_ptr
 222         instead of shared_ptr.
 223         (recursive_directory_iterator): Likewise.
 224         (__shared_ptr<_Dir>): Add explicit instantiation declaration.
 225         (__shared_ptr<recursive_directory_iterator::_Dir_stack>): Likewise.
 226         * include/bits/shared_ptr_base.h (__allocate_shared, __make_shared):
 227         Add default template argument for _Lock_policy template parameter.
 228         * include/ext/concurrence.h (__default_lock_policy): Check macro
 229         _GLIBCXX_HAVE_ATOMIC_LOCK_POLICY instead of checking if the current
 230         target supports the builtins for compare-and-swap.
 231         * src/filesystem/std-dir.cc (__shared_ptr<_Dir>): Add explicit
 232         instantiation definition.
 233         (__shared_ptr<recursive_directory_iterator::_Dir_stack>): Likewise.
 234         (directory_iterator, recursive_directory_iterator): Use __make_shared
 235         instead of make_shared.
 236
 237 2018-11-27  François Dumont  <fdumont@gcc.gnu.org>
 238
 239         PR libstdc++/88199
 240         * include/bits/hashtable.h (_Hashtable<>::_M_assign_elements): New.
 241         (_Hashtable<>::operator=(const _Hashtable&)): Use latter.
 242         (_Hashtable<>::_M_move_assign(_Hashtable&&, false_type)): Likewise.
 243         * testsuite/23_containers/unordered_set/allocator/move_assign.cc
 244         (test03): New.
 245
 246 2018-11-26  Jonathan Wakely  <jwakely@redhat.com>
 247
 248         * testsuite/26_numerics/complex/requirements/more_constexpr.cc: Fix
 249         failure on targets without __float128.
 250
 251 2018-11-23  Edward Smith-Rowland  <3dw4rd@verizon.net>
 252
 253         Implement P0415 More constexpr for std::complex.
 254         * include/std/complex (conj(complex<Tp>), norm(complex<Tp>)): Constexpr;
 255         (real(Tp), imag(Tp)): Constexpr;
 256         (operator@=(Tp), operator@=(complex<Tp>)): Constexpr;
 257         (operator@(Tp,complex<Tp>), operator@(complex<Tp>,Tp)
 258         operator@(complex<Tp>,complex<Tp>)): Constexpr.
 259         * testsuite/26_numerics/complex/comparison_operators/
 260         more_constexpr.cc: New test.
 261         * testsuite/26_numerics/complex/operators/more_constexpr.cc: New test.
 262         * testsuite/26_numerics/complex/requirements/
 263         more_constexpr.cc: New test.
 264         * testsuite/26_numerics/complex/value_operations/
 265         more_constexpr.cc: New test.
 266         * testsuite/26_numerics/headers/complex/synopsis.cc:
 267         Add _GLIBCXX20_CONSTEXPR to applicable operators; Add missing proj().
 268         * testsuite/26_numerics/headers/complex/synopsis.cc:
 269         Add _GLIBCXX20_CONSTEXPR to relevant decls.
 270
 271 2018-11-23  Martin Sebor  <msebor@redhat.com>
 272             Jonathan Wakely  <jwakely@redhat.com>
 273
 274         PR libstdc++/65229
 275         * python/libstdcxx/v6/printers.py (StdBitsetPrinter): Handle
 276         exception thrown for std::bitset<0>.
 277         * testsuite/libstdc++-prettyprinters/simple.cc: Test std::bitset<0>.
 278
 279 2018-11-23  Jonathan Wakely  <jwakely@redhat.com>
 280
 281         PR libstdc++/87308 (partial)
 282         * python/libstdcxx/v6/printers.py (StdExpAnyPrinter): Adjust regex to
 283         work around PR 88166.
 284         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test std::any
 285         containing a local type.
 286
 287 2018-11-22  Marc Glisse  <marc.glisse@inria.fr>
 288
 289         PR libstdc++/87106
 290         * include/bits/stl_algobase.h: Include <type_traits>.
 291         (__niter_base): Add noexcept specification.
 292         * include/bits/stl_deque.h: Include <bits/stl_uninitialized.h>.
 293         (__is_trivially_relocatable): Specialize for deque.
 294         * include/bits/stl_iterator.h: Include <type_traits>.
 295         (__niter_base): Add noexcept specification.
 296         * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
 297         Add parameter for meta-programming.
 298         (__relocate_a_1, __relocate_a): Add noexcept specification.
 299         * include/bits/stl_vector.h (__use_relocate): Test __relocate_a.
 300
 301 2018-11-22  Jonathan Wakely  <jwakely@redhat.com>
 302
 303         PR libstdc++/85930
 304         PR libstdc++/87520
 305         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti)
 306         [__cpp_rtti]: Define even when RTTI is enabled. Use array of
 307         sizeof(type_info) so that type-punned reference binds to an object
 308         of the correct size as well as correct alignment.
 309         (_Sp_counted_ptr_inplace::_M_get_deleter) [__cpp_rtti]: Check for
 310         _S_ti() reference even when RTTI is enabled.
 311         (__shared_ptr(_Sp_make_shared_tag, const _Alloc&, _Args&&...))
 312         [__cpp_rtti]: Pass _S_ti() instead of typeid(_Sp_make_shared_tag).
 313
 314 2018-11-21  Jakub Jelinek  <jakub@redhat.com>
 315
 316         PR c++/87386
 317         * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust expected
 318         line.
 319         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
 320         * testsuite/20_util/uses_allocator/69293_neg.cc: Likewise.
 321         * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
 322         * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
 323         * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
 324         * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
 325
 326 2018-11-21  Jonathan Wakely  <jwakely@redhat.com>
 327
 328         PR libstdc++/88111
 329         * include/std/memory_resource (pool_options): Add Doxygen comments.
 330         * src/c++17/memory_resource.cc (pool_sizes): Only use suitable values
 331         on targets with 16-bit or 20-bit size_t type.
 332         (munge_options): Make default values depend on width of size_t type.
 333
 334         PR libstdc++/88113
 335         * src/c++17/memory_resource.cc (bitset::size_type): Use the smaller
 336         of uint32_t and size_t.
 337         (bitset::size(), bitset::free(), bitset::update_next_word())
 338         (bitset::max_blocks_per_chunk(), bitset::max_word_index()): Use
 339         size_type consistently instead of size_t.
 340         (chunk): Adjust static_assert checking sizeof(chunk).
 341
 342 2018-11-20  Ville Voutilainen  <ville.voutilainen@gmail.com>
 343
 344         Housekeeping for the effective targets of optional's tests.
 345         * testsuite/20_util/optional/77288.cc: Adjust.
 346         * testsuite/20_util/optional/84601.cc: Likewise.
 347         * testsuite/20_util/optional/assignment/1.cc: Likewise.
 348         * testsuite/20_util/optional/assignment/2.cc: Likewise.
 349         * testsuite/20_util/optional/assignment/3.cc: Likewise.
 350         * testsuite/20_util/optional/assignment/4.cc: Likewise.
 351         * testsuite/20_util/optional/assignment/5.cc: Likewise.
 352         * testsuite/20_util/optional/assignment/6.cc: Likewise.
 353         * testsuite/20_util/optional/assignment/7.cc: Likewise.
 354         * testsuite/20_util/optional/assignment/8.cc: Likewise.
 355         * testsuite/20_util/optional/cons/77727.cc: Likewise.
 356         * testsuite/20_util/optional/cons/copy.cc: Likewise.
 357         * testsuite/20_util/optional/cons/deduction.cc: Likewise.
 358         * testsuite/20_util/optional/cons/default.cc: Likewise.
 359         * testsuite/20_util/optional/cons/move.cc: Likewise.
 360         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
 361         * testsuite/20_util/optional/cons/value.cc: Likewise.
 362         * testsuite/20_util/optional/cons/value_neg.cc: Likewise.
 363         * testsuite/20_util/optional/constexpr/cons/default.cc: Likewise.
 364         * testsuite/20_util/optional/constexpr/cons/value.cc: Likewise.
 365         * testsuite/20_util/optional/constexpr/in_place.cc: Likewise.
 366         * testsuite/20_util/optional/constexpr/nullopt.cc: Likewise.
 367         * testsuite/20_util/optional/constexpr/observers/1.cc: Likewise.
 368         * testsuite/20_util/optional/constexpr/observers/4.cc: Likewise.
 369         * testsuite/20_util/optional/constexpr/observers/5.cc: Likewise.
 370         * testsuite/20_util/optional/constexpr/relops/1.cc: Likewise.
 371         * testsuite/20_util/optional/constexpr/relops/2.cc: Likewise.
 372         * testsuite/20_util/optional/constexpr/relops/3.cc: Likewise.
 373         * testsuite/20_util/optional/constexpr/relops/4.cc: Likewise.
 374         * testsuite/20_util/optional/constexpr/relops/5.cc: Likewise.
 375         * testsuite/20_util/optional/constexpr/relops/6.cc: Likewise.
 376         * testsuite/20_util/optional/in_place.cc: Likewise.
 377         * testsuite/20_util/optional/make_optional.cc: Likewise.
 378         * testsuite/20_util/optional/nullopt.cc: Likewise.
 379         * testsuite/20_util/optional/observers/1.cc: Likewise.
 380         * testsuite/20_util/optional/observers/2.cc: Likewise.
 381         * testsuite/20_util/optional/observers/3.cc: Likewise.
 382         * testsuite/20_util/optional/observers/4.cc: Likewise.
 383         * testsuite/20_util/optional/observers/5.cc: Likewise.
 384         * testsuite/20_util/optional/observers/6.cc: Likewise.
 385         * testsuite/20_util/optional/relops/1.cc: Likewise.
 386         * testsuite/20_util/optional/relops/2.cc: Likewise.
 387         * testsuite/20_util/optional/relops/3.cc: Likewise.
 388         * testsuite/20_util/optional/relops/4.cc: Likewise.
 389         * testsuite/20_util/optional/relops/5.cc: Likewise.
 390         * testsuite/20_util/optional/relops/6.cc: Likewise.
 391         * testsuite/20_util/optional/relops/7.cc: Likewise.
 392         * testsuite/20_util/optional/requirements.cc: Likewise.
 393         * testsuite/20_util/optional/swap/1.cc: Likewise.
 394         * testsuite/20_util/optional/swap/2.cc: Likewise.
 395         * testsuite/20_util/optional/typedefs.cc: Likewise.
 396
 397 2018-11-19  François Dumont  <fdumont@gcc.gnu.org>
 398
 399         * include/ext/throw_allocator.h
 400         (annotate_base::insert(void*, size_t)): Use insert result to check for
 401         double insert attempt.
 402         (annotate_base::insert_construct(void*)): Likewise.
 403         (annotate_base::check_allocated(void*, size_t)): Return found iterator.
 404         (annotate_base::erase(void*, size_t)): Use latter method returned
 405         iterator.
 406         (annotate_base::check_constructed(void*, size_t)): Return found iterator.
 407         (annotate_base::erase_construct(void*)): Use latter method returned
 408         iterator.
 409
 410 2018-11-19  Ville Voutilainen  <ville.voutilainen@gmail.com>
 411
 412         PR libstdc++/87855
 413         Also implement P0602R4 (variant and optional
 414         should propagate copy/move triviality) for std::optional.
 415         * include/std/optional (_Optional_payload): Change
 416         the main constraints to check constructibility in
 417         addition to assignability.
 418         (operator=): Make constexpr.
 419         (_M_reset): Likewise.
 420         (_M_construct): Likewise.
 421         (operator->): Likewise.
 422         * testsuite/20_util/optional/assignment/8.cc: Adjust.
 423         * testsuite/20_util/optional/assignment/9.cc: New.
 424
 425 2018-11-19  Jonathan Wakely  <jwakely@redhat.com>
 426
 427         PR libstdc++/88084 - Implement LWG 2777
 428         * include/std/string_view (basic_string_view::copy): Use traits to
 429         copy.
 430         * testsuite/21_strings/basic_string_view/operations/copy/char/2.cc:
 431         New test.
 432         * testsuite/21_strings/basic_string_view/operations/copy/wchar_t/2.cc:
 433         New test.
 434
 435 2018-11-18  Michele Pezzutti <mpezz@tiscali.it>
 436             Edward Smith-Rowland  <3dw4rd@verizon.net>
 437
 438         PR libstdc++/83566 - cyl_bessel_j returns wrong result for x>1000
 439         for high orders.
 440         * include/tr1/bessel_function.tcc: Perform no fewer than nu/2 iterations
 441         of the asymptotic series (nu is the Bessel order).
 442         * testsuite/tr1/5_numerical_facilities/special_functions/
 443         09_cyl_bessel_j/check_value.cc: Add tests at nu=100, 1000<=x<=2000.
 444         * testsuite/tr1/5_numerical_facilities/special_functions/
 445         11_cyl_neumann/check_value.cc: Ditto.
 446         * testsuite/special_functions/08_cyl_bessel_j/check_value.cc: Ditto.
 447         * testsuite/special_functions/10_cyl_neumann/check_value.cc: Ditto.
 448
 449 2018-11-17  Jonathan Wakely  <jwakely@redhat.com>
 450
 451         Implement std::pmr::synchronized_pool_resource
 452         * config/abi/pre/gnu.ver: Add new symbols.
 453         * include/std/memory_resource [_GLIBCXX_HAS_GTHREADS]
 454         (__cpp_lib_memory_resource): Define to expected value, 201603.
 455         (synchronized_pool_resource): New class.
 456         [!_GLIBCXX_HAS_GTHREADS] (__cpp_lib_memory_resource): Define to 1.
 457         * include/std/shared_mutex (__glibcxx_rwlock_rdlock)
 458         (__glibcxx_rwlock_tryrdlock, __glibcxx_rwlock_wrlock)
 459         (__glibcxx_rwlock_trywrlock, __glibcxx_rwlock_unlock)
 460         (__glibcxx_rwlock_destroy, __glibcxx_rwlock_init)
 461         (__glibcxx_rwlock_timedrdlock, __glibcxx_rwlock_timedwrlock): Define
 462         weak symbols for POSIX rwlock functions.
 463         (__shared_mutex_pthread): Use weak symbols.
 464         * include/std/version (__cpp_lib_memory_resource): Define.
 465         * src/c++17/memory_resource.cc [_GLIBCXX_HAS_GTHREADS]
 466         (synchronized_pool_resource::_TPools): New class.
 467         (destroy_TPools): New function for pthread_key_create destructor.
 468         (synchronized_pool_resource::synchronized_pool_resource)
 469         (synchronized_pool_resource::~synchronized_pool_resource)
 470         (synchronized_pool_resource::release)
 471         (synchronized_pool_resource::do_allocate)
 472         (synchronized_pool_resource::do_deallocate): Define public members.
 473         (synchronized_pool_resource::_M_thread_specific_pools)
 474         (synchronized_pool_resource::_M_alloc_tpools)
 475         (synchronized_pool_resource::_M_alloc_shared_tpools): Define private
 476         members.
 477         * testsuite/20_util/synchronized_pool_resource/allocate.cc: New test.
 478         * testsuite/20_util/synchronized_pool_resource/cons.cc: New test.
 479         * testsuite/20_util/synchronized_pool_resource/is_equal.cc: New test.
 480         * testsuite/20_util/synchronized_pool_resource/multithreaded.cc: New
 481         test.
 482         * testsuite/20_util/synchronized_pool_resource/release.cc: New test.
 483         * testsuite/performance/20_util/memory_resource/pools.cc: Add
 484         multithreaded tests using pmr::synchronized_pool_resource.
 485
 486 2018-11-16  Renlin Li  <renlin.li@arm.com>
 487             Tejas Belagod  <tejas.belagod@arm.com>
 488
 489         testsuite/lib/libstdc++.exp (check_v3_target_prop_cached): New proc.
 490         (check_v3_target): Use the check_v3_target_prop_cached.
 491
 492 2018-11-15  Jonathan Wakely  <jwakely@redhat.com>
 493
 494         * scripts/check_performance: Allow tests to choose a -std flag.
 495         * src/c++17/memory_resource.cc (bitset::get_first_unset()): Use local
 496         variables of the right types. Call update_next_word() unconditionally.
 497         * testsuite/20_util/unsynchronized_pool_resource/cons.cc: New test.
 498         * testsuite/performance/20_util/memory_resource/pools.cc: New test.
 499         * testsuite/util/testsuite_performance.h (time_counter): Allow
 500         timer to be restarted.
 501
 502         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: Fix
 503         test for 32-bit targets. Test additional allocation sizes.
 504
 505 2018-11-14  Jonathan Wakely  <jwakely@redhat.com>
 506
 507         * scripts/create_testsuite_files: Add special_functions to the list
 508         of directories to search. Add comment referring to conformance.exp.
 509         * testsuite/libstdc++-dg/conformance.exp: Add comment referring
 510         to create_testsuite_files.
 511
 512 2018-11-13  Jonathan Wakely  <jwakely@redhat.com>
 513
 514         * src/c++17/memory_resource.cc (select_num_pools): Fix off-by-one
 515         error when block_size is equal to one of the values in the array.
 516
 517         * src/c++17/memory_resource.cc (_Pool::deallocate): Restore
 518         attributes to parameters that are only used in assertions.
 519
 520         * src/c++17/memory_resource.cc (bitset::find_first_unset()): Remove
 521         unused function.
 522         (bitset::get_first_unset()): Remove loop, if there's are unset bits
 523         then _M_next_word refers to the first one and there's no need to loop.
 524         (_Pool::_Pool(size_t, size_t), _Pool::block_size()): Remove dead code.
 525
 526         * src/c++17/memory_resource.cc (munge_options): Round up value of
 527         largest_required_pool_block to multiple of smallest pool size. Round
 528         excessively large values down to largest pool size.
 529         (select_num_pools): Increase number of pools by one unless it exactly
 530         matches requested largest_required_pool_block.
 531         (__pool_resource::_M_alloc_pools()): Make largest pool size equal
 532         largest_required_pool_block.
 533         * testsuite/20_util/unsynchronized_pool_resource/options.cc: Check
 534         that pool_options::largest_required_pool_block is set appropriately.
 535
 536         * src/c++17/memory_resource.cc (big_block): Improve comments.
 537         (big_block::all_ones): Remove.
 538         (big_block::big_block(size_t, size_t)): Use alloc_size.
 539         (big_block::size()): Add comment, replace all_ones with equivalent
 540         expression.
 541         (big_block::align()): Shift value of correct type.
 542         (big_block::alloc_size(size_t)): New function to round up size.
 543         (__pool_resource::allocate(size_t, size_t)): Add comment.
 544         (__pool_resource::deallocate(void*, size_t, size_t)): Likewise. Fix
 545         incorrect assertion by using big_block::alloc_size(size_t).
 546         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: Add
 547         more tests for unpooled allocations.
 548
 549         * src/c++17/memory_resource.cc (bitset::full()): Handle edge case
 550         for _M_next_word maximum value.
 551         (bitset::get_first_unset(), bitset::set(size_type)): Use
 552         update_next_word() to update _M_next_word.
 553         (bitset::update_next_word()): New function, avoiding wraparound of
 554         unsigned _M_next_word member.
 555         (bitset::max_word_index()): New function.
 556         (chunk::chunk(void*, uint32_t, void*, size_t)): Add assertion.
 557         (chunk::max_bytes_per_chunk()): New function.
 558         (pool::replenish(memory_resource*, const pool_options&)): Prevent
 559         _M_blocks_per_chunk from exceeding max_blocks_per_chunk or from
 560         causing chunk::max_bytes_per_chunk() to be exceeded.
 561         * testsuite/20_util/unsynchronized_pool_resource/allocate-max-chunks.cc:
 562         New test.
 563
 564 2018-11-12  Jason Merrill  <jason@redhat.com>
 565
 566         * libsupc++/new (std::destroying_delete_t): New.
 567
 568 2018-11-12  Jonathan Wakely  <jwakely@redhat.com>
 569
 570         PR libstdc++/87963
 571         * src/c++17/memory_resource.cc (chunk::_M_bytes): Change type from
 572         unsigned to uint32_t.
 573         (chunk): Fix static assertion for 64-bit targets that aren't LP64.
 574         (bigblock::all_ones): Fix undefined shift.
 575
 576 2018-11-11  Hans-Peter Nilsson  <hp@axis.com>
 577
 578         PR libstdc++-v3/54005
 579         * include/bits/atomic_base.h (__atomic_base<_TTp>::is_lock_free(),
 580         __atomic_base<_PTp*>::is_lock_free()): Call __atomic_is_lock_free
 581         with the type-derived _S_alignment instead of __alignof the object.
 582         * include/std/atomic (atomic<T>::is_lock_free()): Likewise.
 583
 584 2018-11-11  Jonathan Wakely  <jwakely@redhat.com>
 585
 586         Implement P0318R1 unwrap_ref_decay and unwrap_reference
 587         * include/std/type_traits (unwrap_reference, unwrap_reference_t)
 588         (unwrap_ref_decay, unwrap_ref_decay_t): New traits and aliases.
 589         * testsuite/20_util/unwrap_reference/1.cc: New test.
 590         * testsuite/20_util/unwrap_reference/2.cc: New test.
 591
 592         Implement P1007R3 std::assume_aligned
 593         * include/std/memory (assume_aligned): Implement for C++17.
 594         * testsuite/20_util/assume_aligned/1.cc: New test.
 595         * testsuite/20_util/assume_aligned/2_neg.cc: New test.
 596         * testsuite/20_util/assume_aligned/3.cc: New test.
 597
 598 2018-11-09  Jonathan Wakely  <jwakely@redhat.com>
 599
 600         PR libstdc++/87787
 601         * include/bits/stl_uninitialized.h (__relocate_a_1): Do not call
 602         memmove when there's nothing to copy (and pointers could be null).
 603
 604 2018-11-07  Hafiz Abid Qadeer  <abidh@codesourcery.com>
 605
 606         * configure: Regenerated.
 607
 608 2018-11-07  Jonathan Wakely  <jwakely@redhat.com>
 609
 610         * config/abi/pre/gnu.ver: Fix patterns for size_t parameters.
 611
 612 2018-11-06  Jonathan Wakely  <jwakely@redhat.com>
 613
 614         Implement std::pmr::unsynchronized_pool_resource
 615         * config/abi/pre/gnu.ver: Add new symbols.
 616         * include/std/memory_resource (std::pmr::__pool_resource): New class.
 617         (std::pmr::unsynchronized_pool_resource): New class.
 618         * src/c++17/Makefile.am: Add -fimplicit-templates to flags for
 619         memory_resource.cc
 620         * src/c++17/Makefile.in: Regenerate.
 621         * src/c++17/memory_resource.cc (bitset, chunk, big_block): New
 622         internal classes.
 623         (__pool_resource::_Pool): Define new class.
 624         (munge_options, pool_index, select_num_pools): New internal functions.
 625         (__pool_resource::__pool_resource, __pool_resource::~__pool_resource)
 626         (__pool_resource::allocate, __pool_resource::deallocate)
 627         (__pool_resource::_M_alloc_pools): Define member functions.
 628         (unsynchronized_pool_resource::unsynchronized_pool_resource)
 629         (unsynchronized_pool_resource::~unsynchronized_pool_resource)
 630         (unsynchronized_pool_resource::release)
 631         (unsynchronized_pool_resource::_M_find_pool)
 632         (unsynchronized_pool_resource::do_allocate)
 633         (unsynchronized_pool_resource::do_deallocate): Define member
 634         functions.
 635         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: New
 636         test.
 637         * testsuite/20_util/unsynchronized_pool_resource/is_equal.cc: New
 638         test.
 639         * testsuite/20_util/unsynchronized_pool_resource/options.cc: New
 640         test.
 641         * testsuite/20_util/unsynchronized_pool_resource/release.cc: New
 642         test.
 643
 644 2018-11-06  John Bytheway  <jbytheway@gmail.com>
 645
 646         PR libstdc++/87872
 647         * include/debug/safe_sequence.tcc
 648         (_Safe_sequence<>::_M_transfer_from_if): Skip transfer to self.
 649
 650 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 651
 652         PR bootstrap/82856
 653         * Makefile.am: Include multilib.am.
 654         * configure.ac: Remove AC_PREREQ.
 655         * Makefile.in, aclocal.m4, configure, doc/Makefile.in,
 656         include/Makefile.in, libsupc++/Makefile.in, po/Makefile.in,
 657         python/Makefile.in, src/Makefile.in, src/c++11/Makefile.in,
 658         src/c++17/Makefile.in, src/c++98/Makefile.in,
 659         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
 660
 661 2018-10-31  Jonathan Wakely  <jwakely@redhat.com>
 662
 663         * testsuite/20_util/pair/87822.cc: Test deeper nesting.
 664
 665         PR libstdc++/87822
 666         * include/bits/stl_pair.h (__pair_base): Change to class template.
 667         (pair): Make base class type depend on template parameters.
 668         * testsuite/20_util/pair/87822.cc: New test.
 669
 670 2018-10-30  Marek Polacek  <polacek@redhat.com>
 671
 672         Implement P0892R2, explicit(bool).
 673         * testsuite/20_util/any/cons/explicit.cc: Adjust dg-error.
 674         * testsuite/20_util/pair/cons/explicit_construct.cc: Likewise.
 675         * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
 676
 677 2018-10-30  Jonathan Wakely  <jwakely@redhat.com>
 678
 679         PR libstdc++/87809
 680         * include/bits/forward_list.h (_Fwd_list_impl::_Fwd_list_impl()): Use
 681         trait in exception-specification instead of possibly invalid
 682         expression.
 683         * include/bits/stl_bvector.h (_Bvector_impl::_Bvector_impl()):
 684         Likewise.
 685         * include/bits/stl_list.h (_List_impl::_List_impl()): Likewise.
 686         * include/bits/stl_vector.h (_Vector_impl::_Vector_impl()): Likewise.
 687         * testsuite/23_containers/forward_list/cons/87809.cc: New test.
 688         * testsuite/23_containers/list/cons/87809.cc: New test.
 689         * testsuite/23_containers/vector/bool/cons/87809.cc: New test.
 690         * testsuite/23_containers/vector/cons/87809.cc: New test.
 691
 692         PR libstdc++/87784
 693         * include/tr2/dynamic_bitset (dynamic_bitset::push_back): When there
 694         are no unused bits in the last block, append a new block with the
 695         right value so the bit doesn't need to be set. Only increment size
 696         after setting the new bit, not before.
 697         * testsuite/tr2/dynamic_bitset/pr87784.cc: New test.
 698
 699 2018-10-29  David Malcolm  <dmalcolm@redhat.com>
 700
 701         * testsuite/17_intro/using_namespace_std_exp_neg.cc: Remove
 702         "expected namespace-name before" error.
 703         * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Likewise.
 704
 705 2018-10-28  François Dumont  <fdumont@gcc.gnu.org>
 706
 707         * testsuite/23_containers/deque/48101_neg.cc: Remove dg-prune-output
 708         'std' from regex pattern for versioned namespace compatibility.
 709         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 710         * testsuite/27_io/filesystem/path/io/dr2989.cc: Likewise.
 711
 712 2018-10-25  Jonathan Wakely  <jwakely@redhat.com>
 713
 714         PR libstdc++/87749
 715         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 716         (basic_string::operator=(basic_string&&)): For short strings copy the
 717         buffer inline. Only fall back to using assign(const basic_string&) to
 718         do a deep copy when reallocation is needed.
 719         * testsuite/21_strings/basic_string/modifiers/assign/char/87749.cc:
 720         New test.
 721         * testsuite/21_strings/basic_string/modifiers/assign/char/
 722         move_assign_optim.cc: New test.
 723         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/87749.cc:
 724         New test.
 725         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
 726         move_assign_optim.cc: New test.
 727
 728 2018-10-25  Marc Glisse  <marc.glisse@inria.fr>
 729
 730         PR libstdc++/87106
 731         * include/bits/alloc_traits.h (_S_construct, _S_destroy, construct,
 732         destroy): Add noexcept specification.
 733         * include/bits/allocator.h (construct, destroy): Likewise.
 734         * include/ext/alloc_traits.h (construct, destroy): Likewise.
 735         * include/ext/malloc_allocator.h (construct, destroy): Likewise.
 736         * include/ext/new_allocator.h (construct, destroy): Likewise.
 737         * include/bits/stl_uninitialized.h (__relocate_object_a, __relocate_a,
 738         __relocate_a_1): New functions.
 739         (__is_trivially_relocatable): New class.
 740         * include/bits/stl_vector.h (__use_relocate): New static member.
 741         * include/bits/vector.tcc (reserve, _M_realloc_insert,
 742         _M_default_append): Use __relocate_a.
 743         (reserve, _M_assign_aux, _M_realloc_insert, _M_fill_insert,
 744         _M_default_append, _M_range_insert): Move _GLIBCXX_ASAN_ANNOTATE_REINIT
 745         after _Destroy.
 746         * testsuite/23_containers/vector/modifiers/push_back/49836.cc:
 747         Replace CopyConsOnlyType with DelAnyAssign.
 748
 749 2018-10-24  François Dumont  <fdumont@gcc.gnu.org>
 750
 751         * include/debug/safe_unordered_container.h
 752         (_Safe_unordered_container<>::_M_invalidate_locals): Take lambda
 753         parameter type from local end variable.
 754         (_Safe_unordered_container<>::_M_invalidate_all): Likewise.
 755         * include/debug/unordered_map
 756         (unordered_map<>::begin()): Use C++11 direct initialization.
 757         (unordered_map<>::end()): Likewise.
 758         (unordered_map<>::cbegin()): Likewise.
 759         (unordered_map<>::cend()): Likewise.
 760         (unordered_map<>::begin(size_type)): Likewise.
 761         (unordered_map<>::end(size_type)): Likewise.
 762         (unordered_map<>::cbegin(size_type)): Likewise.
 763         (unordered_map<>::cend(size_type)): Likewise.
 764         (unordered_map<>::emplace<>(_Args&&...)): Likewise.
 765         (unordered_map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 766         (unordered_map<>::insert(const value_type&)): Likewise.
 767         (unordered_map<>::insert(value_type&&)): Likewise.
 768         (unordered_map<>::insert<>(_Pair&&)): Likewise.
 769         (unordered_map<>::insert(const_iterator, const value_type&)): Likewise.
 770         (unordered_map<>::insert(const_iterator, value_type&&)): Likewise.
 771         (unordered_map<>::insert<>(const_iterator, _Pair&&)): Likewise.
 772         (unordered_map<>::try_emplace<>(const key_type&, _Args&&...)): Likewise.
 773         (unordered_map<>::try_emplace<>(key_type&&, _Args&&...)): Likewise.
 774         (unordered_map<>::try_emplace<>(const_iterator, const key_type&,
 775         _Args&&...)): Likewise.
 776         (unordered_map<>::try_emplace<>(const_iterator, key_type&&,
 777         _Args&&...)): Likewise.
 778         (unordered_map<>::insert_or_assign<>(const key_type&, _Obj&&)): Likewise.
 779         (unordered_map<>::insert_or_assign<>(key_type&&, _Obj&&)): Likewise.
 780         (unordered_map<>::insert_or_assign<>(const_iterator, const key_type&,
 781         _Obj&&)): Likewise.
 782         (unordered_map<>::insert_or_assign<>(const_iterator, key_type&&,
 783         _Obj&&)): Likewise.
 784         (unordered_map<>::insert(note_type&&)): Likewise.
 785         (unordered_map<>::find(const key_type&)): Likewise.
 786         (unordered_map<>::equal_range(const key_type&)): Likewise.
 787         (unordered_map<>::_M_extract): New.
 788         (unordered_map<>::extract(const_iterator)): Use latter.
 789         (unordered_map<>::extract(const key_type&)): Likewise.
 790         (unordered_map<>::_M_erase): New.
 791         (unordered_map<>::erase(const key_type&)): Use latter.
 792         (unordered_map<>::erase(const_iterator)): Likewise.
 793         (unordered_map<>::erase(iterator)): Likewise.
 794         (unordered_map<>::_M_invalidate): New.
 795         (unordered_map<>::erase(const_iterator, const_iterator)): Use latter.
 796         (unordered_multimap<>::begin()): Use C++11 direct initialization.
 797         (unordered_multimap<>::end()): Likewise.
 798         (unordered_multimap<>::cbegin()): Likewise.
 799         (unordered_multimap<>::cend()): Likewise.
 800         (unordered_multimap<>::begin(size_type)): Likewise.
 801         (unordered_multimap<>::end(size_type)): Likewise.
 802         (unordered_multimap<>::cbegin(size_type)): Likewise.
 803         (unordered_multimap<>::cend(size_type)): Likewise.
 804         (unordered_multimap<>::emplace<>(_Args&&...)): Likewise.
 805         (unordered_multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 806         (unordered_multimap<>::insert(const value_type&)): Likewise.
 807         (unordered_multimap<>::insert(const_iterator, const value_type&)): Likewise.
 808         (unordered_multimap<>::insert(const_iterator, value_type&&)): Likewise.
 809         (unordered_multimap<>::insert<>(_Pair&&)): Likewise.
 810         (unordered_multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
 811         (unordered_multimap<>::insert(note_type&&)): Likewise.
 812         (unordered_multimap<>::insert(const_iterator, note_type&&)): Likewise.
 813         (unordered_multimap<>::find(const key_type&)): Likewise.
 814         (unordered_multimap<>::equal_range(const key_type&)): Likewise.
 815         (unordered_multimap<>::_M_extract): New.
 816         (unordered_multimap<>::extract(const_iterator)): Use latter.
 817         (unordered_multimap<>::extract(const key_type&)): Likewise.
 818         (unordered_multimap<>::_M_erase): New.
 819         (unordered_multimap<>::erase(const_iterator)): Likewise.
 820         (unordered_multimap<>::erase(iterator)): Likewise.
 821         (unordered_multimap<>::_M_invalidate): New.
 822         (unordered_multimap<>::erase(const key_type&)): Use latter.
 823         (unordered_multimap<>::erase(const_iterator, const_iterator)): Likewise.
 824         * include/debug/unordered_set
 825         (unordered_set<>::begin()): Use C++11 direct initialization.
 826         (unordered_set<>::end()): Likewise.
 827         (unordered_set<>::cbegin()): Likewise.
 828         (unordered_set<>::cend()): Likewise.
 829         (unordered_set<>::begin(size_type)): Likewise.
 830         (unordered_set<>::end(size_type)): Likewise.
 831         (unordered_set<>::cbegin(size_type)): Likewise.
 832         (unordered_set<>::cend(size_type)): Likewise.
 833         (unordered_set<>::emplace<>(_Args&&...)): Likewise.
 834         (unordered_set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 835         (unordered_set<>::insert(const value_type&)): Likewise.
 836         (unordered_set<>::insert(value_type&&)): Likewise.
 837         (unordered_set<>::insert(const_iterator, const value_type&)): Likewise.
 838         (unordered_set<>::insert(const_iterator, value_type&&)): Likewise.
 839         (unordered_set<>::insert(note_type&&)): Likewise.
 840         (unordered_set<>::insert(const_iterator, note_type&&)): Likewise.
 841         (unordered_set<>::find(const key_type&)): Likewise.
 842         (unordered_set<>::equal_range(const key_type&)): Likewise.
 843         (unordered_set<>::_M_extract): New.
 844         (unordered_set<>::extract(const_iterator)): Use latter.
 845         (unordered_set<>::extract(const key_type&)): Likewise.
 846         (unordered_set<>::_M_erase): New.
 847         (unordered_set<>::erase(const key_type&)): Use latter.
 848         (unordered_set<>::erase(const_iterator)): Likewise.
 849         (unordered_set<>::erase(iterator)): Likewise.
 850         (unordered_set<>::_M_invalidate): New.
 851         (unordered_set<>::erase(const_iterator, const_iterator)): Use latter.
 852         (unordered_multiset<>::begin()): Use C++11 direct initialization.
 853         (unordered_multiset<>::end()): Likewise.
 854         (unordered_multiset<>::cbegin()): Likewise.
 855         (unordered_multiset<>::cend()): Likewise.
 856         (unordered_multiset<>::begin(size_type)): Likewise.
 857         (unordered_multiset<>::end(size_type)): Likewise.
 858         (unordered_multiset<>::cbegin(size_type)): Likewise.
 859         (unordered_multiset<>::cend(size_type)): Likewise.
 860         (unordered_multiset<>::emplace<>(_Args&&...)): Likewise.
 861         (unordered_multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 862         (unordered_multiset<>::insert(const value_type&)): Likewise.
 863         (unordered_multiset<>::insert(const_iterator, const value_type&)): Likewise.
 864         (unordered_multiset<>::insert(value_type&&)): Likewise.
 865         (unordered_multiset<>::insert(const_iterator, value_type&&)): Likewise.
 866         (unordered_multiset<>::insert(node_type&&)): Likewise.
 867         (unordered_multiset<>::insert(const_iterator, node_type&&)): Likewise.
 868         (unordered_multiset<>::find(const key_type&)): Likewise.
 869         (unordered_multiset<>::equal_range(const key_type&)): Likewise.
 870         (unordered_multiset<>::_M_extract): New.
 871         (unordered_multiset<>::extract(const_iterator)): Use latter.
 872         (unordered_multiset<>::extract(const key_type&)): Likewise.
 873         (unordered_multiset<>::_M_erase): New.
 874         (unordered_multiset<>::erase(const_iterator)): Likewise.
 875         (unordered_multiset<>::erase(iterator)): Likewise.
 876         (unordered_multiset<>::_M_invalidate): New.
 877         (unordered_multiset<>::erase(const key_type&)): Use latter.
 878         (unordered_multiset<>::erase(const_iterator, const_iterator)): Likewise.
 879
 880         * include/c_global/cstddef: Add versioned namespace.
 881
 882 2018-10-23  Jonathan Wakely  <jwakely@redhat.com>
 883
 884         PR libstdc++/87704
 885         * include/bits/unique_ptr.h (unique_ptr::unique_ptr(nullptr_t)): Do
 886         not delegate to default constructor.
 887         (unique_ptr<T[], D>::unique_ptr(nullptr_t)): Likewise.
 888         * testsuite/20_util/unique_ptr/cons/incomplete.cc: New test.
 889
 890 2018-10-20  François Dumont  <fdumont@gcc.gnu.org>
 891
 892         * testsuite/util/testsuite_containers.h
 893         (forward_members_unordered<>::forward_members_unordered
 894         (const value_type&)): Add local_iterator pre and post increment checks.
 895         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 new symbol.
 896
 897 2018-10-19  Jonathan Wakely  <jwakely@redhat.com>
 898
 899         * testsuite/23_containers/array/requirements/explicit_instantiation/
 900         3.cc: Skip test when compiled with a -std=c++NN strict mode.
 901         * testsuite/23_containers/deque/requirements/explicit_instantiation/
 902         3.cc: Likewise.
 903         * testsuite/23_containers/forward_list/requirements/
 904         explicit_instantiation/3.cc: Likewise.
 905         * testsuite/23_containers/list/requirements/explicit_instantiation/
 906         3.cc: Likewise.
 907         * testsuite/23_containers/map/requirements/explicit_instantiation/
 908         3.cc: Likewise.
 909         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 910         3.cc: Likewise.
 911         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 912         3.cc: Likewise.
 913         * testsuite/23_containers/set/requirements/explicit_instantiation/
 914         3.cc: Likewise.
 915         * testsuite/23_containers/unordered_map/requirements/
 916         explicit_instantiation/3.cc: Likewise.
 917         * testsuite/23_containers/unordered_multimap/requirements/
 918         explicit_instantiation/3.cc: Likewise.
 919         * testsuite/23_containers/unordered_multiset/requirements/
 920         explicit_instantiation/3.cc: Likewise.
 921         * testsuite/23_containers/unordered_set/requirements/
 922         explicit_instantiation/3.cc: Likewise.
 923         * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
 924         3.cc: Likewise.
 925         * testsuite/23_containers/vector/requirements/explicit_instantiation/
 926         3.cc: Likewise.
 927
 928         * testsuite/23_containers/deque/48101_neg.cc: Prune additional errors
 929         printed when __STRICT_ANSI__ is defined.
 930         * testsuite/23_containers/forward_list/48101_neg.cc: Likewise.
 931         * testsuite/23_containers/list/48101_neg.cc: Likewise.
 932         * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
 933         * testsuite/23_containers/set/48101_neg.cc: Likewise.
 934         * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
 935         * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
 936         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 937
 938         * testsuite/23_containers/forward_list/requirements/
 939         explicit_instantiation/5.cc [__STRICT_ANSI__]: Don't test non-standard
 940         extension.
 941         * testsuite/23_containers/list/requirements/explicit_instantiation/
 942         5.cc [__STRICT_ANSI__]: Likewise.
 943         * testsuite/23_containers/map/requirements/explicit_instantiation/5.cc
 944         [__STRICT_ANSI__]: Likewise.
 945         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 946         5.cc [__STRICT_ANSI__]: Likewise.
 947         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 948         5.cc [__STRICT_ANSI__]: Likewise.
 949         * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc
 950         [__STRICT_ANSI__]: Likewise.
 951         * testsuite/23_containers/unordered_map/requirements/debug_container.cc
 952         [__STRICT_ANSI__]: Likewise.
 953         * testsuite/23_containers/unordered_map/requirements/
 954         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 955         * testsuite/23_containers/unordered_multimap/requirements/
 956         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 957         * testsuite/23_containers/unordered_multiset/requirements/
 958         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 959         * testsuite/23_containers/unordered_set/requirements/
 960         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 961
 962         * testsuite/20_util/scoped_allocator/1.cc: Use allocator with correct
 963         value type for the container.
 964         * testsuite/23_containers/forward_list/cons/14.cc: Likewise.
 965         * testsuite/23_containers/map/56613.cc: Likewise.
 966         * testsuite/23_containers/unordered_map/55043.cc: Likewise.
 967         * testsuite/23_containers/unordered_map/allocator/copy.cc: Likewise.
 968         * testsuite/23_containers/unordered_map/allocator/copy_assign.cc:
 969         Likewise.
 970         * testsuite/23_containers/unordered_map/allocator/minimal.cc:
 971         Likewise.
 972         * testsuite/23_containers/unordered_map/allocator/move.cc: Likewise.
 973         * testsuite/23_containers/unordered_map/allocator/move_assign.cc:
 974         Likewise.
 975         * testsuite/23_containers/unordered_map/allocator/noexcept.cc:
 976         Likewise.
 977         * testsuite/23_containers/unordered_map/cons/81891.cc: Likewise.
 978         * testsuite/23_containers/unordered_map/requirements/exception/
 979         basic.cc: Likewise.
 980         * testsuite/23_containers/unordered_map/requirements/exception/
 981         generation_prohibited.cc: Likewise.
 982         * testsuite/23_containers/unordered_map/requirements/exception/
 983         propagation_consistent.cc: Likewise.
 984         * testsuite/23_containers/unordered_multimap/55043.cc: Likewise.
 985         * testsuite/23_containers/unordered_multimap/allocator/copy.cc:
 986         Likewise.
 987         * testsuite/23_containers/unordered_multimap/allocator/copy_assign.cc:
 988         Likewise.
 989         * testsuite/23_containers/unordered_multimap/allocator/minimal.cc:
 990         Likewise.
 991         * testsuite/23_containers/unordered_multimap/allocator/move.cc:
 992         Likewise.
 993         * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc:
 994         Likewise.
 995         * testsuite/23_containers/unordered_multimap/allocator/noexcept.cc:
 996         Likewise.
 997         * testsuite/23_containers/unordered_multimap/requirements/exception/
 998         basic.cc: Likewise.
 999         * testsuite/23_containers/unordered_multimap/requirements/exception/
1000         generation_prohibited.cc: Likewise.
1001         * testsuite/23_containers/unordered_multimap/requirements/exception/
1002         propagation_consistent.cc: Likewise.
1003         * testsuite/23_containers/unordered_multimap/requirements/
1004         explicit_instantiation/5.cc: Likewise.
1005         * testsuite/ext/malloc_allocator/sanity.cc: Likewise.
1006
1007         * ext/special_functions/airy_ai/check_nan.cc: Skip test for
1008         non-standard extension when a strict -std=c++NN dialect is used.
1009         * ext/special_functions/airy_ai/check_value.cc: Likewise.
1010         * ext/special_functions/airy_ai/compile.cc: Likewise.
1011         * ext/special_functions/airy_bi/check_nan.cc: Likewise.
1012         * ext/special_functions/airy_bi/check_value.cc: Likewise.
1013         * ext/special_functions/airy_bi/compile.cc: Likewise.
1014         * ext/special_functions/conf_hyperg/check_nan.cc: Likewise.
1015         * ext/special_functions/conf_hyperg/check_value.cc: Likewise.
1016         * ext/special_functions/conf_hyperg/compile.cc: Likewise.
1017         * ext/special_functions/hyperg/check_nan.cc: Likewise.
1018         * ext/special_functions/hyperg/check_value.cc: Likewise.
1019         * ext/special_functions/hyperg/compile.cc: Likewise.
1020
1021         * testsuite/23_containers/list/requirements/explicit_instantiation/
1022         5_c++0x.cc: Remove redundant test that is functionally identical to
1023         the 5.cc test.
1024         * testsuite/23_containers/map/requirements/explicit_instantiation/
1025         5_c++0x.cc: Likewise.
1026         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1027         5_c++0x.cc: Likewise.
1028         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1029         5_c++0x.cc: Likewise.
1030         * testsuite/23_containers/set/requirements/explicit_instantiation/
1031         5_c++0x.cc: Likewise.
1032
1033         * include/bits/regex_executor.tcc (_Backref_matcher::_M_apply): Use
1034         _GLIBCXX_STD_A to refer to normal mode algorithms.
1035         * testsuite/28_regex/headers/regex/parallel_mode.cc: New test.
1036         * testsuite/28_regex/headers/regex/std_c++0x_neg.cc: Remove empty
1037         whitespace.
1038
1039         * include/debug/map.h (map::erase(iterator)): Add abi-tag so that
1040         C++11 version mangles differently from incompatible C++98 version.
1041         * include/debug/multimap.h (multimap::erase(iterator)): Likewise.
1042         * include/debug/multiset.h (multiset::erase(iterator))
1043         (multiset::erase(const_iterator, const_iterator)): Likewise.
1044         * include/debug/set.h (set::erase(iterator))
1045         (multiset::erase(const_iterator, const_iterator)): Likewise.
1046
1047 2018-10-18  Jonathan Wakely  <jwakely@redhat.com>
1048
1049         * testsuite/20_util/duration/cons/2.cc: Add -ffloat-store to fix
1050         failure when compiled without optimisation.
1051         * testsuite/ext/profile/mutex_extensions_neg.cc: Prune additional
1052         errors caused by C++17 std::pmr alias templates.
1053
1054         PR libstdc++/87642
1055         * config/locale/gnu/monetary_members.cc
1056         (moneypunct<char, true>::_M_initialize_moneypunct): Use
1057         __narrow_multibyte_chars to convert multibyte thousands separators
1058         to a single char.
1059         * config/locale/gnu/numeric_members.cc
1060         (numpunct<char>::_M_initialize_numpunct): Likewise.
1061         (__narrow_multibyte_chars): New function.
1062
1063         PR libstdc++/87641
1064         * include/bits/valarray_array.h (__valarray_sum): Use first element
1065         to initialize accumulator instead of value-initializing it.
1066         (__valarray_product<_Tp>): Move to ...
1067         * src/c++98/valarray.cc (__valarray_product<_Tp>): Here. Use first
1068         element to initialize accumulator.
1069         (__valarray_product(const valarray<size_t>&)): Remove const_cast made
1070         unnecessary by LWG 389.
1071         * testsuite/26_numerics/valarray/87641.cc: New test.
1072
1073 2018-10-18  François Dumont  <fdumont@gcc.gnu.org>
1074
1075         Partial revert.
1076         2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
1077
1078         * include/debug/list (list<>::cbegin()): Use C++11 direct
1079         initialization.
1080         (list<>::cend()): Likewise.
1081         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
1082         iterator comparisons.
1083         (list<>::splice(const_iterator, list&&, const_iterator,
1084         const_iterator)): Likewise.
1085
1086         Partial revert.
1087         2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
1088
1089         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
1090         initialization.
1091         (vector<>::cend()): Likewise.
1092         (vector<>::insert(const_iterator, const _Tp&)): Use consistent
1093         iterator comparison.
1094         (vector<>::erase(const_iterator)): Likewise.
1095         (vector<>::erase(const_iterator, const_iterator)): Likewise.
1096
1097 2018-10-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
1098
1099         PR libstdc++/87619
1100         * include/std/variant (__select_index): Fix an off-by-one.
1101         * testsuite/20_util/variant/87619.cc: New.
1102
1103 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
1104
1105         * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
1106         Fix default constructor to call correct function.
1107
1108         * testsuite/experimental/net/internet/address/v4/creation.cc: Do not
1109         declare ip in global namespace, to avoid collision with struct ip
1110         defined in <netinet/ip.h>.
1111
1112         * include/experimental/bits/net.h: Move versioned namespace macros
1113         to correct location.
1114         * include/experimental/buffer: Likewise.
1115         * include/experimental/executor: Likewise.
1116         * include/experimental/internet: Likewise.
1117         * include/experimental/io_context: Likewise.
1118         * include/experimental/netfwd: Likewise.
1119         * include/experimental/socket: Likewise.
1120         * include/experimental/timer: Likewise.
1121
1122         * config.h.in: Regenerate.
1123         * configure: Regenerate.
1124         * configure.ac: Check for headers used by Networking TS.
1125         * include/experimental/executor: Include <condition_variable>
1126         instead of <mutex>.
1127         * include/experimental/internet: Use autoconf macros for available
1128         headers.  Include <sys/socket.h> for.  Remove <cstring> and use
1129         __builtin_memcpy and __builtin_strchr.
1130         (resolver_errc) [!_GLIBCXX_HAVE_NETDB_H]: Do not define.
1131         (address_v4::to_string, address_v6::to_string)
1132         [!_GLIBCXX_HAVE_ARPA_INET_H]: Likewise.
1133         (basic_resolver_results) [!_GLIBCXX_HAVE_NETDB_H]: Make private
1134         constructors report errors.
1135         [!_GLIBCXX_HAVE_NETINET_TCP_H] (tcp::no_delay): Do not define.
1136         * include/experimental/io_context: Likewise.
1137         * include/experimental/socket: Likewise.
1138         [!_GLIBCXX_HAVE_SYS_SOCKET_H, !_GLIBCXX_HAVE_POLL_H] (socket_base): Do
1139         not define nested types when relevant header not available.
1140         (__socket_impl::native_non_blocking) [!_GLIBCXX_HAVE_FCNTL_H]: Report
1141         an error.
1142         (__basic_socket_impl::open, __basic_socket_impl::local_endpoint)
1143         (__basic_socket_impl::bind) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1144         (__basic_socket_impl::io_control) [!_GLIBCXX_HAVE_SYS_IOCTL_H]:
1145         Likewise.
1146         (basic_socket::at_mark, basic_socket::shutdown)
1147         (basic_socket::remote_endpoint, basic_socket::connect)
1148         (basic_socket::async_connect) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1149         (basic_socket::available) [_GLIBCXX_HAVE_SYS_IOCTL_H]: Check macro
1150         for <sys/ioctl.h> availability.
1151         (basic_socket::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
1152         (basic_datagram_socket::receive, basic_datagram_socket::async_receive)
1153         (basic_datagram_socket::receive_from)
1154         (basic_datagram_socket::async_receive_from)
1155         (basic_datagram_socket::send, basic_datagram_socket::async_send)
1156         (basic_datagram_socket::send_to, basic_datagram_socket::async_send_to)
1157         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1158         (basic_stream_socket::receive, basic_stream_socket::async_receive)
1159         (basic_stream_socket::send, basic_stream_socket::async_send)
1160         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1161         (basic_socket_acceptor::listen, basic_socket_acceptor::accept)
1162         (basic_socket_acceptor::async_accept) [!_GLIBCXX_HAVE_SYS_SOCKET_H]:
1163         Likewise.
1164         (basic_socket_acceptor::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
1165
1166         * testsuite/experimental/net/headers.cc: Remove dg-options.
1167         * testsuite/experimental/net/buffer/arithmetic.cc: Replace dg-options
1168         with dg-do using effective target.
1169         * testsuite/experimental/net/buffer/const.cc: Likewise.
1170         * testsuite/experimental/net/buffer/creation.cc: Likewise.
1171         * testsuite/experimental/net/buffer/mutable.cc: Likewise.
1172         * testsuite/experimental/net/buffer/size.cc: Likewise.
1173         * testsuite/experimental/net/buffer/traits.cc: Likewise.
1174         * testsuite/experimental/net/execution_context/use_service.cc:
1175         Likewise.
1176         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
1177         Likewise.
1178         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
1179         * testsuite/experimental/net/internet/address/v4/creation.cc:
1180         Likewise.
1181         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
1182         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
1183         * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
1184         Likewise.
1185         * testsuite/experimental/net/internet/resolver/ops/reverse.cc:
1186         Likewise.
1187         * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1188         * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1189         * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1190
1191         * include/experimental/socket (basic_socket::at_mark): Add missing
1192         return.
1193
1194         * acinclude.m4 (GLIBCXX_CHECK_RANDOM_TR1): Replace with ...
1195         (GLIBCXX_CHECK_DEV_RANDOM): New macro with more descriptive name.
1196         Define _GLIBCXX_USE_DEV_RANDOM as well as _GLIBCXX_USE_RANDOM_TR1.
1197         * config.h.in: Regenerate.
1198         * configure: Regenerate.
1199         * configure.ac: Use GLIBCXX_CHECK_DEV_RANDOM instead of
1200         GLIBCXX_CHECK_RANDOM_TR1.
1201         crossconfig.m4: Likewise.
1202         * include/bits/random.h (random_device): Use _GLIBCXX_USE_DEV_RANDOM
1203         instead of _GLIBCXX_USE_RANDOM_TR1.
1204         * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
1205
1206 2018-10-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1207
1208         * testsuite/lib/dg-options.exp (add_options_for_net_ts): New proc.
1209         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
1210         Add dg-add-options net_ts.
1211         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
1212         * testsuite/experimental/net/internet/address/v4/creation.cc: Likewise.
1213         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
1214         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
1215         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: Likewise.
1216         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: Likewise.
1217
1218 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
1219
1220         * testsuite/20_util/duration/literals/range_neg.cc: Adjust pruned
1221         diagnostic to account for quotes around 'constexpr'.
1222         * testsuite/23_containers/deque/capacity/max_size.cc: Define static
1223         variable.
1224         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
1225
1226         PR libstdc++/87618
1227         * config/abi/pre/gnu.ver: Fix typos in patterns for basic_stringbuf.
1228         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: Disable
1229         optimisation to check constructor definition can be linked to.
1230         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: Likewise.
1231
1232 2018-10-15  Jonathan Wakely  <jwakely@redhat.com>
1233
1234         * testsuite/22_locale/numpunct/members/char/3.cc: Adjust test to
1235         account for change to glibc it_IT localedata (glibc bz#10797).
1236
1237         PR libstdc++/87587
1238         * src/c++11/cxx11-shim_facets.cc: Suppress -Wabi warnings.
1239
1240 2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
1241
1242         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
1243         initialization.
1244         (vector<>::cend()): Likewise.
1245         (vector<>::emplace(const_iterator, _Args&&...)): Likewise and use
1246         consistent iterator comparison.
1247         (vector<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
1248         (vector<>::insert(const_iterator, _InputIterator, _InputIterator)):
1249         Likewise.
1250         (vector<>::erase(const_iterator)): Likewise.
1251         (vector<>::erase(const_iterator, const_iterator)): Likewise.
1252
1253 2018-10-12  Jonathan Wakely  <jwakely@redhat.com>
1254
1255         Initial commit of Networking TS implementation.
1256         * include/Makefile.am: Add new headers.
1257         * include/Makefile.in: Regenerate.
1258         * include/experimental/bits/net.h: New header for common
1259         implementation details of Networking TS.
1260         * include/experimental/buffer: New header.
1261         * include/experimental/executor: New header.
1262         * include/experimental/internet: New header.
1263         * include/experimental/io_context: New header.
1264         * include/experimental/net: New header.
1265         * include/experimental/netfwd: New header.
1266         * include/experimental/socket: New header.
1267         * include/experimental/timer: New header.
1268         * testsuite/experimental/net/buffer/arithmetic.cc: New test.
1269         * testsuite/experimental/net/buffer/const.cc: New test.
1270         * testsuite/experimental/net/buffer/creation.cc: New test.
1271         * testsuite/experimental/net/buffer/mutable.cc: New test.
1272         * testsuite/experimental/net/buffer/size.cc: New test.
1273         * testsuite/experimental/net/buffer/traits.cc: New test.
1274         * testsuite/experimental/net/execution_context/use_service.cc: New
1275         test.
1276         * testsuite/experimental/net/headers.cc: New test.
1277         * testsuite/experimental/net/internet/address/v4/comparisons.cc: New
1278         test.
1279         * testsuite/experimental/net/internet/address/v4/cons.cc: New test.
1280         * testsuite/experimental/net/internet/address/v4/creation.cc: New
1281         test.
1282         * testsuite/experimental/net/internet/address/v4/members.cc: New
1283         test.
1284         * testsuite/experimental/net/internet/resolver/base.cc: New test.
1285         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: New
1286         test.
1287         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: New
1288         test.
1289         * testsuite/experimental/net/timer/waitable/cons.cc: New test.
1290         * testsuite/experimental/net/timer/waitable/dest.cc: New test.
1291         * testsuite/experimental/net/timer/waitable/ops.cc: New test.
1292
1293         PR libstdc++/77691
1294         * include/experimental/memory_resource (__resource_adaptor_imp): Do
1295         not allocate sizes smaller than alignment when relying on guaranteed
1296         alignment.
1297         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1298         Adjust expected number of bytes allocated for alignof(max_align_t).
1299
1300 2018-10-11  François Dumont  <fdumont@gcc.gnu.org>
1301
1302         * include/debug/forward_list
1303         (forward_list<>::before_begin()): Use C++11 direct initialization.
1304         (forward_list<>::begin()): Likewise.
1305         (forward_list<>::end()): Likewise.
1306         (forward_list<>::cbefore_begin()): Likewise.
1307         (forward_list<>::cbegin()): Likewise.
1308         (forward_list<>::cend()): Likewise.
1309         (forward_list<>::emplace_after<>(const_iterator, _Args&&...)): Likewise.
1310         (forward_list<>::insert_after(const_iterator, const _Tp&)): Likewise.
1311         (forward_list<>::insert_after(const_iterator, _Tp&&)): Likewise.
1312         (forward_list<>::insert_after(const_iterator, size_type, const _Tp&)):
1313         Likewise.
1314         (forward_list<>::insert_after(const_iterator, initializer_list<>)):
1315         Likewise.
1316         (forward_list<>::erase_after(const_iterator)): Likewise.
1317         (forward_list<>::erase_after(const_iterator, const_iterator)): Likewise
1318         and ensure consistent iterator comparison.
1319
1320         * include/bits/forward_list.h
1321         (_Fwd_list_iterator<>::operator==): Replace member function with inline
1322         friend.
1323         (_Fwd_list_iterator<>::operator!=): Likewise.
1324         (_Fwd_list_const_iterator<>::operator==): Likewise.
1325         (_Fwd_list_const_iterator<>::operator!=): Likewise.
1326         (operator==(const _Fwd_list_iterator<>&,
1327         const _Fwd_list_const_iterator<>&)): Remove.
1328         (operator!=(const _Fwd_list_iterator<>&,
1329         const _Fwd_list_const_iterator<>&)): Remove.
1330         (forward_list<>::_Node): Take typedef from base type.
1331         (forward_list<>::iterator): Likewise.
1332         (forward_list<>::const_iterator): Likewise.
1333
1334 2018-10-11  Jonathan Wakely  <jwakely@redhat.com>
1335
1336         PR libstdc++/80538
1337         * src/c++11/thread.cc (this_thread::__sleep_for)
1338         [_GLIBCXX_HAVE_SLEEP]: Only call sleep for non-zero values.
1339         Loop while sleep call is interrupted and until steady_clock
1340         shows requested duration has elapsed.
1341         (!_GLIBCXX_HAVE_USLEEP]: Use the _GLIBCXX_HAVE_SLEEP code path, but
1342         avoiding the usleep call.
1343         * testsuite/30_threads/this_thread/60421.cc: Test repeated
1344         signal interruptions.
1345
1346         * include/bits/allocator.h
1347         (operator==(const allocator<_Tp>&, const allocator<_Tp>))
1348         (operator!=(const allocator<_Tp>&, const allocator<_Tp>)): Replace
1349         with inline friends.
1350         * include/ext/debug_allocator.h (operator==, operator!=): Replace
1351         with inline friend functions that compare to rebound allocators.
1352         * include/ext/malloc_allocator.h (operator==, operator!=): Likewise.
1353         * include/ext/new_allocator.h (operator==, operator!=): Likewise.
1354         * testsuite/ext/debug_allocator/eq.cc: New test.
1355         * testsuite/ext/ext_pointer/alloc_eq.cc: New test.
1356         * testsuite/ext/malloc_allocator/eq.cc: New test.
1357         * testsuite/ext/new_allocator/eq.cc: New test.
1358
1359 2018-10-10  Jonathan Wakely  <jwakely@redhat.com>
1360
1361         PR libstdc++/87544
1362         * include/bits/stl_vector.h (vector::_S_max_size): Limit size to
1363         PTRDIFF_MAX / sizeof(value_type).
1364         * include/ext/malloc_allocator.h (malloc_allocator::max_size):
1365         Likewise.
1366         * include/ext/new_allocator.h (new_allocator::max_size): Likewise.
1367         * testsuite/23_containers/vector/allocator/minimal.cc: Adjust
1368         expected value for max_size().
1369         * testsuite/23_containers/vector/capacity/87544.cc: New test.
1370
1371 2018-10-09  François Dumont  <fdumont@gcc.gnu.org>
1372
1373         * include/bits/stl_list.h
1374         (_List_operator<>::operator==): Replace member function with inline
1375         friend.
1376         (_List_operator<>::operator!=): Likewise.
1377         (_List_const_operator<>::operator==): Likewise.
1378         (_List_const_operator<>::operator!=): Likewise.
1379         (operator==(const _List_iterator<>&, const _List_const_iterator<>&)):
1380         Remove.
1381         (operator!=(const _List_iterator<>&, const _List_const_iterator<>&)):
1382         Remove.
1383
1384 2018-10-09  Jonathan Wakely  <jwakely@redhat.com>
1385
1386         * include/bits/stringfwd.h (string, wstring, u16string, u32string):
1387         Define typedefs outside of __cxx11 inline namespace.
1388         * python/libstdcxx/v6/printers.py (register_type_printers): Also
1389         register printers for typedefs in new location.
1390
1391 2018-10-08  Jonathan Wakely  <jwakely@redhat.com>
1392
1393         PR libstdc++/87538
1394         * testsuite/experimental/functional/87538.cc: New test.
1395
1396         PR libstdc++/87538
1397         * include/std/functional (_Not_fn::operator()): Check value of
1398         __is_nothrow_invocable as well.
1399         * testsuite/20_util/function_objects/not_fn/87538.cc: New test.
1400
1401 2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
1402
1403         * include/debug/list (list<>::cbegin()): Use C++11 direct
1404         initialization.
1405         (list<>::cend()): Likewise.
1406         (list<>::emplace<>(const_iterator, _Args&&...)): Likewise.
1407         (list<>::insert(const_iterator, initializer_list<>)): Likewise.
1408         (list<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
1409         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
1410         iterator comparisons.
1411         (list<>::splice(const_iterator, list&&, const_iterator,
1412         const_iterator)): Likewise.
1413
1414 2018-10-05  François Dumont  <fdumont@gcc.gnu.org>
1415
1416         * include/bits/stl_tree.h
1417         (_Rb_tree_iterator<>::operator==): Make inline friend.
1418         (_Rb_tree_iterator<>::operator!=): Likewise.
1419         (_Rb_tree_const_iterator<>::operator==): Likewise.
1420         (_Rb_tree_const_iterator<>::operator!=): Likewise.
1421         (operator==(const _Rb_tree_iterator<>&,
1422         const _Rb_tree_const_iterator&)): Remove.
1423         (operator!=(const _Rb_tree_iterator<>&,
1424         const _Rb_tree_const_iterator&)): Remove.
1425         (operator==(const _Rb_tree<>&, const _Rb_tree<>&)): Make inline friend.
1426         (operator<(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1427         (operator!=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise and
1428         deprecate.
1429         (operator>(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1430         (operator<=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1431         (operator>=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1432         * include/debug/map.h (map<>::erase(const_iterator, const_iterator)):
1433         Compare __victim with _Base::cend().
1434         * include/debug/multimap.h
1435         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
1436         * include/debug/set.h (set<>::erase(const_iterator, const_iterator)):
1437         Compare __victim with _Base::cend().
1438         * include/debug/multiset.h
1439         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
1440
1441 2018-10-03  Jonathan Wakely  <jwakely@redhat.com>
1442
1443         PR libstdc++/59439
1444         * src/c++98/locale.cc (locale::locale(const locale&)): Bypass
1445         reference count updates for the classic locale.
1446         (locale::~locale()): Likewise.
1447         (locale::operator=(const locale&)): Likewise.
1448         * src/c++98/locale_init.cc (locale::locale()): Likewise.
1449         (locale::global(const locale&)): Likewise.
1450
1451 2018-10-03  François Dumont  <fdumont@gcc.gnu.org>
1452
1453         * include/debug/map.h
1454         (map<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1455         (map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1456         (map<>::insert(value_type&&)): Likewise.
1457         (map<>::insert<>(_Pair&&)): Likewise.
1458         (map<>::insert<>(const_iterator, _Pair&&)): Likewise.
1459         (map<>::try_emplace): Likewise.
1460         (map<>::insert_or_assign): Likewise.
1461         (map<>::insert(node_type&&)): Likewise.
1462         (map<>::insert(const_iterator, node_type&&)): Likewise.
1463         (map<>::erase(const_iterator)): Likewise.
1464         (map<>::erase(const_iterator, const_iterator)): Likewise.
1465         * include/debug/multimap.h
1466         (multimap<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1467         (multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1468         (multimap<>::insert<>(_Pair&&)): Likewise.
1469         (multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
1470         (multimap<>::insert(node_type&&)): Likewise.
1471         (multimap<>::insert(const_iterator, node_type&&)): Likewise.
1472         (multimap<>::erase(const_iterator)): Likewise.
1473         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
1474         * include/debug/set.h
1475         (set<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1476         (set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1477         (set<>::insert(value_type&&)): Likewise.
1478         (set<>::insert<>(const_iterator, value_type&&)): Likewise.
1479         (set<>::insert(const_iterator, node_type&&)): Likewise.
1480         (set<>::erase(const_iterator)): Likewise.
1481         (set<>::erase(const_iterator, const_iterator)): Likewise.
1482         * include/debug/multiset.h
1483         (multiset<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1484         (multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1485         (multiset<>::insert<>(value_type&&)): Likewise.
1486         (multiset<>::insert<>(const_iterator, value_type&&)): Likewise.
1487         (multiset<>::insert(node_type&&)): Likewise.
1488         (multiset<>::insert(const_iterator, node_type&&)): Likewise.
1489         (multiset<>::erase(const_iterator)): Likewise.
1490         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
1491
1492 2018-10-02  Marc Glisse  <marc.glisse@inria.fr>
1493
1494         PR libstdc++/87258
1495         * include/bits/stl_bvector.h (vector::begin(), vector::cbegin()):
1496         Rebuild _M_start with an explicit 0 offset.
1497
1498 2018-10-02  Jonathan Wakely  <jwakely@redhat.com>
1499
1500         * include/std/variant (__gen_vtable_impl::__visit_invoke): Call __get
1501         directly instead of get, as caller ensures correct index is used.
1502         (holds_alternative, get, get_if): Remove redundant inline specifiers.
1503         (_VARIANT_RELATION_FUNCTION_TEMPLATE): Likewise.
1504
1505 2018-10-02  Joseph Myers  <joseph@codesourcery.com>
1506
1507         * testsuite/lib/libstdc++.exp (libstdc++_init): Use
1508         -fno-show-column in default cxxflags.
1509
1510 2018-10-01  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1511
1512         * config/os/uclibc/os_defines.h (__NO_STRING_INLINES): Delete.
1513
1514 2018-10-01  Gerald Pfeifer  <gerald@pfeifer.com>
1515
1516         * doc/xml/manual/allocator.xml: Adjust link to "Reconsidering
1517         Custom Memory Allocation".
1518
1519 2018-10-01  Jonathan Wakely  <jwakely@redhat.com>
1520
1521         * doc/html/*: Regenerate.
1522
1523 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
1524
1525         * doc/xml/manual/messages.xml: Switch link to www.oracle.com
1526         to https.
1527
1528 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
1529
1530         * doc/xml/manual/policy_data_structures_biblio.xml: Update
1531         link to Microsoft Component Model Object Technologies.
1532
1533 2018-09-29  Gerald Pfeifer  <gerald@pfeifer.com>
1534
1535         * doc/xml/gnu/fdl-1.3.xml: The Free Software Foundation web
1536         site now uses https. Also omit the unnecessary trailing slash.
1537         * doc/xml/gnu/gpl-3.0.xml: Ditto.
1538
1539 2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
1540
1541         * include/debug/functions.h
1542         (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
1543         const _InputIter&, __true_type)): Use empty() rather than begin() ==
1544         end().
1545
1546 2018-09-25  Mike Crowe  <mac@mcrowe.com>
1547
1548         * include/std/condition_variable (condition_variable::wait_for): Use
1549         steady clock in overload that uses a predicate.
1550
1551 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
1552
1553         PR libstdc++/87431
1554         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
1555         Avoid runtime test when all alternatives are scalars and so cannot
1556         throw during initialization.
1557
1558 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
1559
1560         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
1561         to https.
1562
1563 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
1564
1565         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
1566         to "Priority Queues and the STL".
1567
1568 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
1569
1570         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
1571         https.
1572
1573 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
1574
1575         PR libstdc++/87135
1576         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1577         Use __builtin_floor to compute _M_next_resize.
1578         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
1579         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
1580         Adapt.
1581
1582 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
1583
1584         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
1585         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
1586         long double unconditionally, but use lower tolerance when
1587         sizeof(long double) == sizeof(double).
1588
1589 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
1590
1591         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
1592         on arm*.
1593
1594 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
1595
1596         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
1597         Remove __glibcxx_assert statements and use map::find instead of
1598         map::operator[].
1599
1600 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
1601
1602         PR libstdc++/87135
1603         * src/c++11/hashtable_c++0x.cc:
1604         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
1605         requested size, but not necessarily greater.
1606         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
1607         strictly greater than next resize threshold.
1608         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
1609         to validate that there is no rehash as long as number of insertion is
1610         lower or equal to the reserved number of elements.
1611
1612 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
1613
1614         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
1615         checking invocable condition.
1616         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
1617         here, where types must be complete. Pass pointer to deleter as an
1618         rvalue.
1619         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
1620
1621 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
1622
1623         * include/std/variant (variant) [__clang__]: Limit workaround to
1624         Clang 7 and older.
1625
1626 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
1627
1628         PR libstdc++/87278
1629         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
1630         remove_const.
1631         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
1632
1633         Implement LWG 2905 changes to constrain unique_ptr constructors
1634         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
1635         check deleter type.
1636         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
1637         constructible constraint.
1638         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
1639         deleters of reference type and add move constructible constraint.
1640         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
1641         Disable for deleters of non-reference type. Define as deleted.
1642         (unique_ptr<T[], D>): Likewise.
1643         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
1644         directives with unstable line numbers with dg-prune-output.
1645         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
1646         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
1647         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
1648         Make deleter types invocable.
1649
1650 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
1651
1652         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
1653
1654 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
1655
1656         PR libstdc++/78179
1657         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
1658         that runs the long double part of hypot.cc.
1659         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
1660         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
1661
1662         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
1663         Return raw pointer not allocator's pointer type.
1664         (vector::_Temporary_value::_M_val): Use _M_ptr.
1665
1666         PR libstdc++/87194
1667         * include/bits/stl_map.h
1668         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
1669         (map::map(initializer_list<value_type>, const Alloc&))
1670         (map::map(InputIterator, InputIterator, const Alloc&))
1671         (map::map(InputIterator, InputIterator))
1672         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
1673         (map::insert(InputIterator, InputIterator)):
1674         Call _M_insert_range_unique instead of _M_insert_unique.
1675         * include/bits/stl_multimap.h
1676         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
1677         (multimap::multimap(initializer_list<value_type>, const A&))
1678         (multimap::multimap(InputIterator, InputIterator, const A&))
1679         (multimap::multimap(InputIterator, InputIterator))
1680         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
1681         (multimap::insert(InputIterator, InputIterator)): Call
1682         _M_insert_range_equal instead of _M_insert_equal.
1683         * include/bits/stl_multiset.h
1684         (multiset::multiset(InputIterator, InputIterator))
1685         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
1686         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
1687         (multiset::multiset(initializer_list<value_type>, const A&))
1688         (multiset::multiset(InputIterator, InputIterator, const A&))
1689         (multiset::insert(InputIterator, InputIterator)): Call
1690         _M_insert_range_equal instead of _M_insert_equal.
1691         * include/bits/stl_set.h
1692         (set::set(InputIterator, InputIterator))
1693         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
1694         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
1695         (set::set(initializer_list<value_type>, const Alloc&))
1696         (set::set(InputIterator, InputIterator, const Alloc&))
1697         (set::insert(InputIterator, InputIterator)):
1698         Call _M_insert_range_unique instead of _M_insert_unique.
1699         * include/bits/stl_tree.h
1700         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
1701         template for SFINAE constraints.
1702         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
1703         constrained overloads that either insert or emplace, depending on
1704         iterator's value_type.
1705         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
1706         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
1707         (_Rb_tree::_M_insert_range_equal): New functions replacing range
1708         versions of _M_insert_unique and _M_insert_equal.
1709         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
1710         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
1711         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
1712         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
1713         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
1714         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
1715
1716         PR libstdc++/78595
1717         * include/bits/stl_map.h (map::insert(_Pair&&))
1718         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
1719         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
1720         (multimap::insert(const_iterator, _Pair&&)): Likewise.
1721         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
1722         (unordered_map::insert(const_iterator, _Pair&&))
1723         (unordered_multimap::insert(_Pair&&))
1724         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
1725         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
1726         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
1727         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
1728         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
1729         test.
1730
1731 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
1732
1733         * include/debug/safe_iterator.h
1734         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
1735         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
1736         New.
1737         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1738         ::_OtherSelf): New.
1739         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
1740         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
1741         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
1742         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1743         ::operator+(difference_type)): Use latters, inline as friend.
1744         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1745         ::operator-(difference_type)): Likewise.
1746         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1747         Likewise.
1748         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1749         Likewise.
1750         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1751         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1752         Likewise.
1753         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1754         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1755         Likewise.
1756         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1757         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
1758         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
1759         * include/debug/safe_iterator.tcc
1760         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
1761         copy.
1762         * include/debug/safe_local_iterator.h
1763         (_Safe_local_iterator<_It, _Seq>::_Self): New.
1764         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
1765         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
1766         (operator==(const _Safe_local_iterator<>&,
1767         const _Safe_local_iterator<>&)): Use latter, inline as friend.
1768         (operator!=(const _Safe_local_iterator<>&,
1769         const _Safe_local_iterator<>&)): Likewise.
1770         * testsuite/util/testsuite_containers.h: Include utility.
1771         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
1772         parameter.
1773         (forward_members_unordered<>::forward_members_unordered(value_type&)):
1774         Add using namespace std::rel_ops.
1775         Add iterator_concept_checks on local_iterator and const_local_iterator.
1776         Add asserts on comparison between const_local_iterator and
1777         local_iterator.
1778         (struct forward_members_unordered<_Tp, false>): Remove partial
1779         specialization.
1780         * testsuite/23_containers/forward_list/types/1.cc: New.
1781         * testsuite/23_containers/list/types/1.cc: New.
1782
1783 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
1784
1785         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
1786         references.
1787
1788 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
1789
1790         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
1791         Add dg-require-fileio.
1792         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
1793         Likewise.
1794         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
1795         Likewise.
1796         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
1797         Likewise.
1798         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
1799         Likewise.
1800         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
1801         Likewise.
1802         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
1803         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
1804         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
1805         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
1806         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
1807         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
1808         Likewise.
1809         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
1810         Likewise.
1811         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
1812         Likewise.
1813         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
1814         Likewise.
1815         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
1816         Likewise.
1817         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
1818         Likewise.
1819         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
1820         Likewise.
1821         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
1822         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
1823         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
1824         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
1825         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
1826         Likewise.
1827         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
1828         Likewise.
1829         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
1830         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
1831         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
1832         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
1833         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
1834         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
1835         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
1836         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
1837         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
1838         Likewise.
1839         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
1840         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
1841         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
1842         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
1843         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
1844         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
1845         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
1846         Likewise.
1847         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
1848
1849 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
1850
1851         * testsuite/experimental/propagate_const/observers/1.cc: Make
1852         dependence on -fdelete-null-pointer-checks explicit.
1853
1854 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
1855
1856         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
1857         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
1858         of the number of bits in the type.
1859         * include/std/bit (__ceil2): Avoid undefined shifts.
1860         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
1861         the most signifiant bit set.
1862
1863         * config/abi/pre/gnu.ver: Add missing exports for mingw.
1864
1865         * include/ext/pointer.h (_Pointer_adapter): Define operators for
1866         pointer arithmetic using long long offsets.
1867         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
1868         long long values.
1869
1870 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
1871
1872         PR libstdc++/31413
1873         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
1874         string for alternative format.
1875
1876 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
1877
1878         PR libstdc++/87116
1879         * src/filesystem/std-path.cc (path::lexically_normal): When handling
1880         a dot-dot filename, preserve an empty final component in the iteration
1881         sequence.
1882         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
1883         root-directory.
1884         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
1885         for more than two adjacent dot-dot filenames.
1886         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
1887         preferred-separator in expected normalized strings.
1888
1889 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
1890
1891         PR libstdc++/70694
1892         * configure.host (OPT_LDFLAGS): Don't append
1893         -fvisibility-inlines-hidden for newer Darwin.
1894
1895 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
1896
1897         PR libstdc++/86822
1898         * libsupc++/new (operator new(size_t, nothrow_t), operator
1899         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
1900         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
1901
1902 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
1903
1904         * include/debug/deque (std::__debug::deque): Declare.
1905         * include/debug/forward_list (std::__debug::forward_list): Declare.
1906         * include/debug/list (std::__debug::list): Declare.
1907         * include/debug/map (std::__debug::map): Declare.
1908         * include/debug/set (std::__debug::set): Declare.
1909         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
1910         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
1911         * include/debug/vector (std::__debug::vector): Declare.
1912         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
1913         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
1914         test.
1915         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
1916         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
1917         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
1918         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
1919         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
1920         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
1921         test.
1922         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
1923         New test.
1924         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
1925         New test.
1926         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
1927         test.
1928         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
1929         Adjust dg-error lineno.
1930         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
1931         test.
1932
1933 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
1934
1935         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1936         Only define when RTTI is enabled.
1937
1938         * include/debug/vector (__niter_base): Define for C++98.
1939
1940         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
1941         Fix C++98 test to not use C++11 features.
1942         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
1943
1944         * scripts/check_compile: Fix comments.
1945
1946         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
1947         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
1948         begin(), for C++98 compatibility.
1949
1950         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
1951         (basic_string::__const_iterator): Change access to protected.
1952         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
1953         as typedef for iterator.
1954         * include/debug/string (__const_iterator): Use typedef from base.
1955         (insert(const_iterator, _CharT))
1956         (replace(const_iterator, const_iterator, const basic_string&))
1957         (replace(const_iterator, const_iterator, const _CharT*, size_type))
1958         (replace(const_iterator, const_iterator, const CharT*))
1959         (replace(const_iterator, const_iterator, size_type, _CharT))
1960         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
1961         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
1962         Change const_iterator parameters to __const_iterator.
1963         (insert(iterator, size_type, _CharT)): Add C++98 overload.
1964         (insert(const_iterator, _InputIterator, _InputIterator)): Change
1965         const_iterator parameter to __const_iterator.
1966         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
1967         of base's member function.
1968         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
1969         Likewise.
1970         (insert(const_iterator, initializer_list<_CharT>))
1971         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
1972         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
1973         target directive.
1974
1975         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
1976         not use C++14 feature.
1977         * testsuite/23_containers/list/68222_neg.cc: Likewise.
1978
1979         * testsuite/21_strings/basic_string/init-list.cc:
1980         Require cxx11-abi.
1981         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
1982         Likewise.
1983         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1984         Likewise.
1985
1986         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
1987         C++98 mode.
1988         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
1989         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
1990         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
1991         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
1992         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
1993
1994 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
1995
1996         PR libstdc++/87061
1997         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
1998         (experimental::pmr::match_results, experimental::pmr::cmatch)
1999         (experimental::pmr::smatch, experimental::pmr::wcmatch)
2000         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
2001         because COW strings don't support C++11 allocator model.
2002         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
2003         (experimental::pmr::basic_string, experimental::pmr::string)
2004         (experimental::pmr::u16string, experimental::pmr::u32string)
2005         (experimental::pmr::wstring): Likewise.
2006         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
2007         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
2008         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
2009         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
2010         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
2011         cxx11-abi.
2012         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
2013
2014         PR libstdc++/78448
2015         * include/bits/deque.tcc (deque::_M_range_initialize): Use
2016         _S_check_init_len to check size.
2017         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
2018         error if size would exceed max_size().
2019         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
2020         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
2021         size_t instead of size_type.
2022         (deq(size_type, const allocator_type&)
2023         (deq(size_type, const value_type&, const allocator_type&)
2024         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
2025         (deque::max_size): Call _S_max_size.
2026         (deque::_S_check_init_len, deque::_S_max_size): New functions.
2027         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
2028         (vector(size_type, const value_type&, const allocator_type&))
2029         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
2030         _S_check_init_len to check size.
2031         (vector::max_size): Call _S_max_size.
2032         (vector::_M_check_len): Prevent max from being expanded as a
2033         function-like macro.
2034         (vector::_S_check_init_len, vector::_S_max_size): New functions.
2035         * include/bits/vector.tcc (vector::_M_assign_aux): Use
2036         _S_check_init_len to check size.
2037         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
2038         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
2039
2040 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
2041
2042         PR libstdc++/68222
2043         * include/debug/safe_iterator.h
2044         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
2045         (_Safe_iterator<>::_Const_iterator): Remove.
2046         (_Safe_iterator<>::_IsConstant): New.
2047         (_Safe_iterator<>::_OtherIterator): New.
2048         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
2049         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
2050         __gnu_cxx::__enable_if condition.
2051         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
2052         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
2053         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
2054         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
2055         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
2056         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
2057         ::operator--()): ...here.
2058         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
2059         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
2060         ::operator--(int)): ...here.
2061         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
2062         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
2063         ::_M_decrementable()): ...here.
2064         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
2065         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
2066         Move...
2067         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
2068         ::operator[](const difference_type&)): ...here.
2069         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
2070         Move...
2071         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
2072         ::operator+=(const difference_type&)): ...here.
2073         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
2074         Move...
2075         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
2076         ::operator+(const difference_type&)): ...here.
2077         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
2078         Move...
2079         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
2080         ::operator-=(const difference_type&)): ...here.
2081         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
2082         Move...
2083         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
2084         ::operator-(const difference_type&)): ...here.
2085         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
2086         Constraint to random access iterators.
2087         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
2088         Likewise.
2089         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
2090         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
2091         Likewise.
2092         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
2093         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
2094         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
2095         (__get_distance): Remove.
2096         (__get_distance_from_begin): Remove.
2097         (__get_distance_to_end): Remove.
2098         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
2099         specialization.
2100         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
2101         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
2102         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
2103         * include/debug/safe_iterator.tcc
2104         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
2105         (_Safe_iterator<>::_M_get_distance_to_end()): New.
2106         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
2107         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
2108         ::_M_valid_range): New.
2109         * include/debug/safe_local_iterator.h
2110         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
2111         (_Safe_local_iterator<>::_IsConstant): New.
2112         (_Safe_local_iterator<>::_OtherIterator): New.
2113         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
2114         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
2115         in __gnu_cxx::__enable_if condition. If singular compare base iterator
2116         with _MutIte rather than _It.
2117         (_Safe_local_iterator<>::_S_constant): Make constexpr.
2118         (_Safe_local_iterator<>::_M_get_distance_to): New.
2119         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
2120         (__get_distance(const _Safe_local_iterator<>&,
2121         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
2122         (__valid_range(const _Safe_local_iterator<>&,
2123         const _Safe_local_iterator<>&)): New.
2124         * include/debug/safe_local_iterator.tcc
2125         (_Safe_local_iterator<>::_M_get_distance_to): New.
2126         * include/debug/deque (std::__debug::deque<>): Add
2127         ::__gnu_debug::_Safe_iterator<> friend declaration.
2128         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
2129         * include/debug/list (std::__debug::list<>): Likewise.
2130         * include/debug/map.h (std::__debug::map<>): Likewise.
2131         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
2132         * include/debug/set.h (std::__debug::set<>): Likewise.
2133         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
2134         * include/debug/string (std::__debug::basic_string<>): Likewise.
2135         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
2136         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
2137         (std::__debug::unordered_multimap<>): Likewise.
2138         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
2139         (std::__debug::unordered_multiset<>): Likewise.
2140         * include/debug/formatter.h: Adapt.
2141         * include/debug/helper_functions.h
2142         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
2143         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
2144         Pass parameter by copy.
2145         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
2146         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
2147         (__valid_range_aux<_Integral>): Pass _Integral by copy.
2148         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
2149         (__valid_range<>(const _Safe_iterator<>&,
2150         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
2151         Declare.
2152         (__valid_range(const _Safe_local_iterator<>&,
2153         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
2154         Declare.
2155         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
2156         Declare.
2157         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
2158         Declare.
2159         (__can_advance): Adapt.
2160         (struct __is_safe_random_iterator<>): Remove.
2161         (struct _SIter_base<>): Remove.
2162         * include/debug/functions.h: Include <bits/stl_iterator.h>.
2163         (__check_dereferenceable): Remove.
2164         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
2165         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
2166         (__foreign_iterator): Adapt.
2167         * include/debug/stl_iterator.h
2168         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
2169         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
2170         Constraint for random access iterators.
2171         (__niter_base): Adapt.
2172         * testsuite/util/testsuite_containers.h:
2173         Include <bits/boost_concept_check.h>.
2174         (iterator_concept_checks<_It, _Mutable, _Category>): New.
2175         (citerator<_Cont>::forward_members::forward_members()): Instantiate
2176         latter for container iterator and const_iterator.
2177         * testsuite/23_containers/list/68222_neg.cc: New.
2178         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
2179         line number.
2180         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
2181         (test01): Remove.
2182         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
2183         Remove.
2184
2185 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
2186
2187         PR libstdc++/77854
2188         * doc/xml/manual/status_cxx1998.xml: Document size_type and
2189         difference_type for containers.
2190         * doc/html/*: Regenerate.
2191
2192 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
2193
2194         P0646R1 Improving the Return Value of Erase-Like Algorithms I
2195         * include/debug/forward_list (forward_list::__remove_return_type):
2196         Define typedef as size_type or void, according to __cplusplus value.
2197         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2198         empty, according to __cplusplus value.
2199         (_GLIBCXX20_ONLY): Define macro.
2200         (forward_list::remove, forward_list::unique): Use typedef and macro
2201         to change return type and add abi-tag for C++2a. Return number of
2202         removed elements for C++2a.
2203         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
2204         typedef to change return type for C++2a. Return number of removed
2205         elements for C++2a.
2206         * include/debug/list (list::__remove_return_type): Define typedef as
2207         size_type or void, according to __cplusplus value.
2208         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2209         empty, according to __cplusplus value.
2210         (_GLIBCXX20_ONLY): Define macro.
2211         (list::remove, list::unique): Use typedef and macro to change return
2212         type and add abi-tag for C++2a. Return number of removed elements for
2213         C++2a.
2214         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
2215         to change return type for C++2a. Return number of removed elements for
2216         C++2a.
2217
2218 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
2219
2220         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
2221
2222 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
2223
2224         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
2225         redundant dg-do directive.
2226         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
2227         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
2228         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
2229         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
2230
2231 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
2232
2233         PR libstdc++/86963
2234         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
2235         (_Tuple_impl::_M_assign): New functions to perform assignment instead
2236         of assignment operators.
2237         (_Tuple_impl::_M_swap): Remove exception specification.
2238         (_Tuple_impl<_Idx, _Head>): Likewise.
2239         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
2240         (__tuple_base): Remove.
2241         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
2242         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
2243         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
2244         using __is_nothrow_swappable.
2245         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
2246
2247         * include/std/optional (_Optional_payload): Use variable templates
2248         for conditions in default template arguments and exception
2249         specifications.
2250         (optional): Likewise. Adjust indentation.
2251         (optional::__not_self, optional::__not_tag, optional::_Requires): New
2252         SFINAE helpers.
2253         (optional::optional): Use new helpers in constructor constraints.
2254         * include/std/type_traits (__or_v, __and_v): New variable templates.
2255         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
2256         dg-prune-output. Remove unused header.
2257
2258 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
2259
2260         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
2261         _GLIBCXX_DEBUG.
2262
2263 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
2264
2265         PR libstdc++/86963
2266         * include/std/tuple (__tuple_base): New class template with deleted
2267         copy assignment operator.
2268         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
2269         implicit copy/move assignment operator will be deleted/suppressed.
2270         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
2271         functions for SFINAE constraints on assignment operators.
2272         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
2273         New helper functions for exception specifications.
2274         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
2275         (tuple<_T1, _T2>::operator=(const tuple&))
2276         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
2277         __nonesuch_no_braces when the operator should be defined implicitly.
2278         Use __nothrow_assignable for exception specifications.
2279         (tuple::operator=(const tuple<_UElements...>&))
2280         (tuple::operator=(tuple<_UElements...>&&))
2281         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
2282         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
2283         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
2284         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
2285         __assignable and use __nothrow_assignable for exception
2286         specifications.
2287         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
2288         gdb.Type as first argument, instead of a string.
2289         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
2290         tuple for expected structure.
2291         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
2292         * testsuite/20_util/tuple/dr2729.cc: New test.
2293         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
2294         to dg-prune-output.
2295
2296 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
2297
2298         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
2299         about signed/unsigned comparison.
2300
2301         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
2302         deprecation warnings for using uncaught_exception().
2303
2304         PR libstdc++/86447
2305         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
2306         (logic_error::logic_error(logic_error&&))
2307         (logic_error::operator=(logic_error&&))
2308         (runtime_error::runtime_error(runtime_error&&))
2309         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
2310         moving, to avoid allocating empty reps for moved-from strings.
2311
2312 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
2313
2314         * include/experimental/regex: Remove begin/end macros for namespace.
2315         * include/experimental/string: Likewise.
2316         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
2317         New test.
2318         * testsuite/experimental/polymorphic_allocator/
2319         pmr_typedefs_forward_list.cc: New test.
2320         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
2321         New test.
2322         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
2323         New test.
2324         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
2325         New test.
2326         * testsuite/experimental/polymorphic_allocator/
2327         pmr_typedefs_multimap.cc: New test.
2328         * testsuite/experimental/polymorphic_allocator/
2329         pmr_typedefs_multiset.cc: New test.
2330         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
2331         New test.
2332         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
2333         New test.
2334         * testsuite/experimental/polymorphic_allocator/
2335         pmr_typedefs_unordered_map.cc: New test.
2336         * testsuite/experimental/polymorphic_allocator/
2337         pmr_typedefs_unordered_multimap.cc: New test.
2338         * testsuite/experimental/polymorphic_allocator/
2339         pmr_typedefs_unordered_multiset.cc: New test.
2340         * testsuite/experimental/polymorphic_allocator/
2341         pmr_typedefs_unordered_set.cc: New test.
2342         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
2343         New test.
2344
2345         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
2346         calls to __uses_allocator_construct_impl and __use_alloc.
2347         * include/experimental/memory_resource
2348         (polymorphic_allocator::_M_construct): Remove.
2349         (polymorphic_allocator::construct): Call __uses_allocator_construct.
2350         Qualify calls to __use_alloc.
2351         * include/std/memory_resource (polymorphic_allocator::construct): Fix
2352         type in SFINAE constraint. Use constexpr if instead of tag dispatching
2353         to _S_construct overloads.
2354         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
2355         arguments to _S_construct_p.
2356         (polymorphic_allocator::_S_construct): Remove.
2357         (polymorphic_allocator::_S_construct_p): Return allocators by value
2358         not by reference.
2359         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
2360         Qualify calls to __use_alloc.
2361         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
2362         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
2363         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
2364         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
2365         New test.
2366
2367         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
2368         (atomic_mem_res): Add unsynchronized definition for single-threaded.
2369
2370 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
2371
2372         PR libstdc++/86954
2373         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
2374         non-placement delete.
2375
2376         * include/std/chrono (__check_overflow): Simplify definition.
2377         (_Checked_integral_constant): Remove.
2378
2379         PR libstdc++/86846
2380         * src/c++17/default_resource.h: New file, defining default_res.
2381         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
2382         (atomic_mem_res): Define alternative for atomic<memory_resource*>
2383         using a mutex instead of atomics.
2384
2385         PR libstdc++/85343
2386         * config/abi/pre/gnu.ver: Export new symbol.
2387         * doc/xml/manual/abi.xml: Document new versions.
2388         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
2389         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
2390         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
2391         Declare new overload.
2392         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
2393         and static member function.
2394         (__throw_ios_failure(const char*, int)): Define.
2395         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
2396         (__throw_ios_failure(const char*, int)): Define.
2397
2398 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
2399
2400         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
2401         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
2402         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
2403         copied/assigned rope iterators don't retain pointers to the iterator
2404         they were copied/assigned from.
2405         * testsuite/ext/rope/7.cc: New.
2406
2407 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
2408
2409         PR libstdc++/45093
2410         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
2411         Combine definitions to avoid --detect-odr-violations warning.
2412
2413         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
2414         __is_pow2 to check for valid alignment. Avoid branching when rounding
2415         size to multiple of alignment.
2416
2417         * include/Makefile.am: Install <bit> and <version> for freestanding.
2418         * include/Makefile.in: Regenerate.
2419         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
2420
2421         Revert
2422         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2423
2424         PR target/85904
2425         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
2426         Newlib.
2427         * configure: Regenerate.
2428
2429 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
2430
2431         PR libstdc++/68210
2432         * doc/xml/manual/intro.xml: Document LWG 206 change.
2433         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2434         * libsupc++/del_opa.cc: Likewise.
2435         * libsupc++/del_opant.cc: Likewise.
2436         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
2437         of free(ptr).
2438         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2439         * libsupc++/del_opsa.cc: Likewise.
2440         * libsupc++/del_opva.cc: Likewise.
2441         * libsupc++/del_opvant.cc: Likewise.
2442         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
2443         instead of operator delete(ptr).
2444         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2445         * libsupc++/del_opvsa.cc: Likewise.
2446         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
2447         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
2448         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
2449         with noexcept.
2450         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
2451         malloc(sz).
2452         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
2453         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
2454         operator new(sz, nothrow).
2455         * testsuite/18_support/new_nothrow.cc: New test.
2456
2457 2018-08-10  Martin Liska  <mliska@suse.cz>
2458
2459         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
2460         predictor can handle that.
2461         * libsupc++/new_opa.cc: Likewise.
2462         * libsupc++/new_opnt.cc (new): Likewise.
2463
2464 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2465
2466         PR target/85904
2467         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
2468         Newlib.
2469         * configure: Regenerate.
2470
2471 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
2472
2473         * include/std/deque (std::pmr::deque): Declare alias.
2474         * include/std/forward_list (std::pmr::forward_list): Likewise.
2475         * include/std/list (std::pmr::list): Likewise.
2476         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
2477         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
2478         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
2479         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
2480         * include/std/string (std::pmr::basic_string, std::pmr::string)
2481         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
2482         Likewise.
2483         * include/std/unordered_map (std::pmr::unordered_map)
2484         (std::pmr::unordered_multimap): Likewise.
2485         * include/std/unordered_set (std::pmr::unordered_set)
2486         (std::pmr::unordered_multiset): Likewise.
2487         * include/std/vector (std::pmr::vector): Likewise.
2488         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
2489         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
2490         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
2491         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
2492         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
2493         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
2494         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
2495         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
2496         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
2497         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
2498         test.
2499         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
2500         test.
2501         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
2502         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
2503         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
2504
2505 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
2506
2507         * include/bits/stl_algo.h
2508         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
2509         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
2510         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
2511         duplication...
2512         (rotate(_Ite, _Ite, _Ite)): ...here.
2513         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
2514         Simplify rotate call.
2515         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
2516         Likewise.
2517         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
2518         Likewise.
2519
2520 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
2521
2522         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
2523         avoid clashing with an ::aligned_alloc function that was not detected
2524         by configure.
2525
2526         * doc/xml/manual/using.xml: Fix markup for empty table entry.
2527         * doc/html/*: Regenerate.
2528
2529         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
2530         * doc/html/*: Regenerate.
2531
2532         PR libstdc++/86597
2533         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
2534         Clear error_code when cached type is used.
2535         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
2536
2537 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
2538
2539         PR libstdc++/86874
2540         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
2541         here instead of in _Move_assign_base.
2542         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
2543         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
2544         the contained value to another alternative.
2545         (_Move_assign_base::operator=): Likewise.
2546         (_Move_assign_base::_M_destructive_move): Remove.
2547         * testsuite/20_util/variant/86874.cc: New test.
2548
2549         PR libstdc++/86861
2550         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
2551         Replace macro with inline function.
2552         [__sun]: Increase alignment to meet memalign precondition.
2553         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
2554         (aligned_alloc): Move check for valid alignment to operator new.
2555         Remove redundant check for non-zero size, it's enforced by the caller.
2556         (operator new): Move check for valid alignment here. Use
2557         __builtin_expect on check for zero size.
2558
2559         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
2560         * include/std/memory_resource (monotonic_buffer_resource::release):
2561         Call _M_release_buffers to free buffers.
2562         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
2563         allocate a new buffer from upstream.
2564         (monotonic_buffer_resource::_M_new_buffer): Declare.
2565         (monotonic_buffer_resource::_M_release_buffers): Declare.
2566         (monotonic_buffer_resource::_Chunk): Replace definition with
2567         declaration as opaque type.
2568         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
2569         Define.
2570         (monotonic_buffer_resource::_M_new_buffer): Define.
2571         (monotonic_buffer_resource::_M_release_buffers): Define.
2572
2573 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
2574
2575         * include/bits/stl_iterator.h: Fix comment.
2576
2577 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
2578
2579         * src/c++11/system_error.cc
2580         (system_error_category::default_error_condition): Add workaround for
2581         ENOTEMPTY and EEXIST having the same value on AIX.
2582         * testsuite/19_diagnostics/error_category/system_category.cc: Add
2583         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
2584
2585 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2586
2587         * configure: Regenerate.
2588         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
2589         * src/c++11/futex.cc: Use __glibcxx_assert instead of
2590         _GLIBCXX_DEBUG_ASSERT.
2591
2592 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2593
2594         * include/std/condition_variable (wait_for): Use steady_clock.
2595
2596 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2597
2598         * include/std/condition_variable (wait_until): Only report timeout
2599         if we really have timed out when measured against the
2600         caller-supplied clock.
2601         * testsuite/30_threads/condition_variable/members/2.cc: Add test
2602         case to confirm above behaviour.
2603
2604 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2605
2606         PR libstdc++/60555
2607         * src/c++11/system_error.cc
2608         (system_error_category::default_error_condition): New override to
2609         check for POSIX errno values.
2610         * testsuite/19_diagnostics/error_category/generic_category.cc: New
2611         * testsuite/19_diagnostics/error_category/system_category.cc: New
2612         test.
2613
2614 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
2615
2616         PR libstdc++/86751
2617         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
2618         assignment operator.
2619         (pair): Derive from __pair_base.
2620         (pair::operator=): Remove deleted overload.
2621         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
2622         so that new base class isn't shown in GDB.
2623         * testsuite/20_util/pair/86751.cc: New test.
2624         * testsuite/20_util/pair/ref_assign.cc: New test.
2625
2626         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2627         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
2628         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
2629         instead of __has_builtin.
2630         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2631         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
2632         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
2633         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
2634         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
2635         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
2636         (__cpp_lib_has_unique_object_representations): Don't define when
2637         builtin not available.
2638         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
2639         Likewise.
2640         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
2641         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
2642         from here.
2643
2644         * doc/xml/manual/test.xml: Improve documentation on writing tests for
2645         newer standards.
2646         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
2647         * doc/html/*: Regenerate.
2648
2649         * include/ext/pointer.h [__cplusplus >= 201103L]
2650         (_Pointer_adapter::operator bool): Add explicit conversion operator
2651         to replace safe bool idiom.
2652
2653 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
2654
2655         PR libstdc++/86734
2656         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
2657         _S_to_pointer (LWG 1052, LWG 2118).
2658         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
2659         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
2660         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
2661
2662         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
2663         workaround for aligned_alloc bug on AIX.
2664         * testsuite/18_support/new_aligned.cc: New test.
2665
2666 2018-07-26  Marek Polacek  <polacek@redhat.com>
2667
2668         * testsuite/30_threads/condition_variable_any/cond.cc: New.
2669
2670 2018-07-26  Marek Polacek  <polacek@redhat.com>
2671
2672         * src/c++98/locale_init.cc: Fix #ifdef condition.
2673
2674 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
2675
2676         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
2677         dg-require-cstdint directive.
2678         * testsuite/20_util/allocator/overaligned.cc: Likewise.
2679         * testsuite/20_util/any/cons/aligned.cc: Likewise.
2680         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
2681         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
2682         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
2683         Likewise.
2684         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2685         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
2686         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
2687         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
2688         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
2689         random_device effective-target.
2690         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
2691         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
2692         * testsuite/25_algorithms/sample/2.cc: Likewise.
2693         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
2694         and random_device.
2695         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
2696         cstdint.
2697         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
2698         Likewise.
2699         * testsuite/26_numerics/random/discard_block_engine/requirements/
2700         constexpr_data.cc: Likewise.
2701         * testsuite/26_numerics/random/discard_block_engine/requirements/
2702         constexpr_functions.cc: Likewise.
2703         * testsuite/26_numerics/random/independent_bits_engine/requirements/
2704         constexpr_functions.cc: Likewise.
2705         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2706         constexpr_data.cc: Likewise.
2707         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2708         constexpr_functions.cc: Likewise.
2709         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2710         constexpr_data.cc: Likewise.
2711         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2712         constexpr_functions.cc: Likewise.
2713         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
2714         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
2715         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2716         constexpr_data.cc: Add dg-require-cstdint directive.
2717         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2718         constexpr_functions.cc: Likewise.
2719         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2720         constexpr_data.cc: Likewise.
2721         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2722         constexpr_functions.cc: Likewise.
2723         * testsuite/26_numerics/random/uniform_real_distribution/operators/
2724         64351.cc: Likewise.
2725         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
2726         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2727         * testsuite/experimental/algorithm/sample.cc: Likewise.
2728         * testsuite/experimental/algorithm/search.cc: Likewise.
2729         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2730         * testsuite/experimental/any/cons/aligned.cc: Likewise.
2731         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2732         Likewise.
2733         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
2734         * testsuite/experimental/random/randint.cc: Likewise.
2735         * testsuite/experimental/source_location/1.cc: Likewise.
2736         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
2737         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
2738         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
2739         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
2740         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
2741         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
2742         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
2743         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
2744         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
2745         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
2746         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
2747         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
2748         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
2749         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
2750         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
2751         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
2752         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
2753         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
2754         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
2755         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2756         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
2757         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
2758         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
2759
2760         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
2761         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
2762         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
2763         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
2764         Likewise.
2765         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
2766         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
2767         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
2768         Likewise.
2769         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
2770         Likewise.
2771         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
2772         Likewise.
2773         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
2774         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
2775         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
2776         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
2777         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
2778         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
2779         Likewise.
2780         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
2781         Likewise.
2782         * testsuite/30_threads/recursive_timed_mutex/dest/
2783         destructor_locked.cc: Likewise.
2784         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
2785         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
2786         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
2787         Likewise.
2788         * testsuite/30_threads/recursive_timed_mutex/native_handle/
2789         typesizes.cc: Likewise.
2790         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
2791         Likewise.
2792         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
2793         Likewise.
2794         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
2795         Likewise.
2796         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
2797         Likewise.
2798         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
2799         Likewise.
2800         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
2801         Likewise.
2802         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
2803         Likewise.
2804         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
2805         Likewise.
2806         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
2807         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
2808         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
2809         * testsuite/30_threads/scoped_lock/requirements/
2810         explicit_instantiation.cc: Likewise.
2811         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
2812         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
2813         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
2814         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
2815         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
2816         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
2817         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
2818         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
2819         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
2820         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
2821         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
2822         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
2823         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
2824         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
2825         * testsuite/30_threads/shared_future/requirements/
2826         explicit_instantiation.cc: Likewise.
2827         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
2828         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
2829         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
2830         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
2831         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
2832         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
2833         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
2834         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
2835         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
2836         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
2837         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
2838         * testsuite/30_threads/shared_lock/requirements/
2839         explicit_instantiation.cc: Likewise.
2840         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
2841         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
2842         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
2843         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
2844         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
2845         Likewise.
2846         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
2847         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
2848         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
2849         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
2850         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
2851         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
2852         * testsuite/30_threads/shared_timed_mutex/requirements/
2853         standard_layout.cc: Likewise.
2854         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
2855         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
2856         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
2857         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
2858         * testsuite/30_threads/this_thread/1.cc: Likewise.
2859         * testsuite/30_threads/this_thread/2.cc: Likewise.
2860         * testsuite/30_threads/this_thread/3.cc: Likewise.
2861         * testsuite/30_threads/this_thread/4.cc: Likewise.
2862         * testsuite/30_threads/this_thread/58038.cc: Likewise.
2863         * testsuite/30_threads/thread/70503.cc: Likewise.
2864         * testsuite/30_threads/thread/84532.cc: Likewise.
2865         * testsuite/30_threads/thread/adl.cc: Likewise.
2866         * testsuite/30_threads/thread/cons/1.cc: Likewise.
2867         * testsuite/30_threads/thread/cons/2.cc: Likewise.
2868         * testsuite/30_threads/thread/cons/3.cc: Likewise.
2869         * testsuite/30_threads/thread/cons/4.cc: Likewise.
2870         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
2871         * testsuite/30_threads/thread/cons/5.cc: Likewise.
2872         * testsuite/30_threads/thread/cons/6.cc: Likewise.
2873         * testsuite/30_threads/thread/cons/7.cc: Likewise.
2874         * testsuite/30_threads/thread/cons/8.cc: Likewise.
2875         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
2876         * testsuite/30_threads/thread/cons/9.cc: Likewise.
2877         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
2878         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
2879         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
2880         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
2881         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
2882         * testsuite/30_threads/thread/id/operators.cc: Likewise.
2883         * testsuite/30_threads/thread/members/1.cc: Likewise.
2884         * testsuite/30_threads/thread/members/2.cc: Likewise.
2885         * testsuite/30_threads/thread/members/3.cc: Likewise.
2886         * testsuite/30_threads/thread/members/4.cc: Likewise.
2887         * testsuite/30_threads/thread/members/5.cc: Likewise.
2888         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
2889         Likewise.
2890         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
2891         * testsuite/30_threads/thread/swap/1.cc: Likewise.
2892         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
2893         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
2894         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
2895         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
2896         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
2897         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
2898         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
2899         Likewise.
2900         * testsuite/30_threads/timed_mutex/requirements/
2901         standard_layout.cc: Likewise.
2902         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
2903         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
2904         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
2905         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
2906         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
2907         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
2908         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
2909         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
2910         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
2911         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
2912         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
2913         * testsuite/30_threads/try_lock/1.cc: Likewise.
2914         * testsuite/30_threads/try_lock/2.cc: Likewise.
2915         * testsuite/30_threads/try_lock/3.cc: Likewise.
2916         * testsuite/30_threads/try_lock/4.cc: Likewise.
2917         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
2918         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
2919         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
2920         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
2921         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
2922         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
2923         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
2924         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
2925         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
2926         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
2927         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
2928         * testsuite/30_threads/unique_lock/requirements/
2929         explicit_instantiation.cc: Likewise.
2930         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
2931
2932         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
2933         directive.
2934         * testsuite/30_threads/async/49668.cc: Likewise.
2935         * testsuite/30_threads/async/54297.cc: Likewise.
2936         * testsuite/30_threads/async/84532.cc: Likewise.
2937         * testsuite/30_threads/async/any.cc: Likewise.
2938         * testsuite/30_threads/async/async.cc: Likewise.
2939         * testsuite/30_threads/async/except.cc: Likewise.
2940         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
2941         * testsuite/30_threads/async/launch.cc: Likewise.
2942         * testsuite/30_threads/async/lwg2021.cc: Likewise.
2943         * testsuite/30_threads/async/sync.cc: Likewise.
2944         * testsuite/30_threads/call_once/39909.cc: Likewise.
2945         * testsuite/30_threads/call_once/49668.cc: Likewise.
2946         * testsuite/30_threads/call_once/60497.cc: Likewise.
2947         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
2948         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
2949         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
2950         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
2951         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
2952         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
2953         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
2954         Likewise.
2955         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
2956         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
2957         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
2958         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
2959         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
2960         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
2961         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
2962         Likewise.
2963         * testsuite/30_threads/condition_variable/requirements/
2964         standard_layout.cc: Likewise.
2965         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
2966         * Likewise.
2967         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
2968         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
2969         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
2970         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
2971         Likewise.
2972         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
2973         Likewise.
2974         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
2975         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
2976         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
2977         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
2978         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
2979         * testsuite/30_threads/future/cons/default.cc: Likewise.
2980         * testsuite/30_threads/future/cons/move.cc: Likewise.
2981         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
2982         * testsuite/30_threads/future/members/45133.cc: Likewise.
2983         * testsuite/30_threads/future/members/get.cc: Likewise.
2984         * testsuite/30_threads/future/members/get2.cc: Likewise.
2985         * testsuite/30_threads/future/members/share.cc: Likewise.
2986         * testsuite/30_threads/future/members/valid.cc: Likewise.
2987         * testsuite/30_threads/future/members/wait.cc: Likewise.
2988         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
2989         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
2990         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
2991         Likewise.
2992         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
2993         Likewise.
2994         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
2995         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
2996         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
2997         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
2998         * testsuite/30_threads/lock/1.cc: Likewise.
2999         * testsuite/30_threads/lock/2.cc: Likewise.
3000         * testsuite/30_threads/lock/3.cc: Likewise.
3001         * testsuite/30_threads/lock/4.cc: Likewise.
3002         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
3003         * testsuite/30_threads/lock_guard/requirements/
3004         explicit_instantiation.cc: Likewise.
3005         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
3006         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
3007         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
3008         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
3009         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
3010         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
3011         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
3012         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
3013         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
3014         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
3015         Likewise.
3016         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
3017         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
3018         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
3019         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
3020         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
3021         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
3022         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
3023         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
3024         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
3025         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
3026         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
3027         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
3028         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
3029         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
3030         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
3031         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
3032         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
3033         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
3034         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
3035         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
3036         Likewise.
3037         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
3038         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
3039         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
3040         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
3041         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
3042         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
3043         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
3044         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
3045         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
3046         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
3047         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
3048         * testsuite/30_threads/packaged_task/requirements/
3049         explicit_instantiation.cc: Likewise.
3050         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
3051         * testsuite/30_threads/promise/60966.cc: Likewise.
3052         * testsuite/30_threads/promise/69106.cc: Likewise.
3053         * testsuite/30_threads/promise/cons/1.cc: Likewise.
3054         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
3055         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
3056         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
3057         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
3058         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
3059         * testsuite/30_threads/promise/cons/move.cc: Likewise.
3060         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
3061         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
3062         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
3063         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
3064         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
3065         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
3066         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
3067         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
3068         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
3069         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
3070         * testsuite/30_threads/promise/members/swap.cc: Likewise.
3071         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
3072         * Likewise.
3073         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
3074
3075         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
3076         from namespace std.
3077         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
3078         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
3079         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
3080         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
3081         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
3082         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
3083         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
3084         * testsuite/20_util/duration/cons/1.cc: Likewise.
3085         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
3086         * testsuite/20_util/duration/cons/2.cc: Likewise.
3087         * testsuite/20_util/duration/cons/54025.cc: Likewise.
3088         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
3089         * testsuite/20_util/duration/requirements/explicit_instantiation/
3090         explicit_instantiation.cc: Likewise.
3091         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3092         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3093         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3094         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
3095         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
3096         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
3097         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
3098         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
3099         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
3100         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
3101         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
3102         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
3103         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
3104         * testsuite/20_util/system_clock/1.cc: Likewise.
3105         * testsuite/20_util/time_point/1.cc: Likewise.
3106         * testsuite/20_util/time_point/2.cc: Likewise.
3107         * testsuite/20_util/time_point/3.cc: Likewise.
3108         * testsuite/20_util/time_point/requirements/explicit_instantiation/
3109         explicit_instantiation.cc: Likewise.
3110         * testsuite/21_strings/basic_string/requirements/
3111         explicit_instantiation/char16_t/1.cc: Likewise.
3112         * testsuite/21_strings/basic_string/requirements/
3113         explicit_instantiation/char32_t/1.cc: Likewise.
3114         * testsuite/21_strings/basic_string_view/requirements/
3115         explicit_instantiation/char16_t/1.cc: Likewise.
3116         * testsuite/21_strings/basic_string_view/requirements/
3117         explicit_instantiation/char32_t/1.cc: Likewise.
3118         * testsuite/21_strings/char_traits/requirements/
3119         explicit_instantiation/char16_t/1.cc: Likewise.
3120         * testsuite/21_strings/char_traits/requirements/
3121         explicit_instantiation/char32_t/1.cc: Likewise.
3122         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
3123         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
3124         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
3125         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
3126         Likewise.
3127         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
3128         Likewise.
3129         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
3130         Likewise.
3131         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
3132         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
3133         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
3134         Likewise.
3135         * testsuite/experimental/string_view/requirements/
3136         explicit_instantiation/char16_t/1.cc: Likewise.
3137         * testsuite/experimental/string_view/requirements/
3138         explicit_instantiation/char32_t/1.cc: Likewise.
3139         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
3140         1.cc: Likewise.
3141         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
3142         1.cc: Likewise.
3143
3144         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3145         (random_condition, throw_value_random, throw_allocator_random)
3146         (std::hash<throw_value_random>): Do not define when <tr1/random> is
3147         not usable.
3148         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
3149         define transactional memory support when <stdint.h> is not usable.
3150
3151         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
3152         implementation that doesn't depend on <stdint.h> types.
3153         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
3154         std::size_t when std::uintptr_t is not usable.
3155         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
3156         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
3157         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
3158
3159         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3160         (hash<u16string>, hash<u32string>): Remove dependency on
3161         _GLIBCXX_USE_C99_STDINT_TR1.
3162         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3163         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
3164         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
3165         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
3166         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3167         (codecvt<char16_t, char, mbstate_t>)
3168         (codecvt<char32_t, char, mbstate_t>)
3169         (codecvt_byname<char16_t, char, mbstate_t>)
3170         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
3171         on _GLIBCXX_USE_C99_STDINT_TR1.
3172         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3173         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
3174         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3175         (char_traits<char16_t>, char_traits<char32_t>)
3176         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
3177         on _GLIBCXX_USE_C99_STDINT_TR1.
3178         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
3179         (u16string_view, u32string_view, hash<u16string_view>)
3180         (hash<u32string_view>, operator""sv(const char16_t, size_t))
3181         (operator""sv(const char32_t, size_t)): Likewise.
3182         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3183         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
3184         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3185         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
3186         (__u32sso_string, __u32rc_string): Likewise.
3187         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
3188         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
3189         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
3190         (u16string_view, u32string_view, hash<u16string_view>)
3191         (hash<u32string_view>, operator""sv(const char16_t, size_t))
3192         (operator""sv(const char32_t, size_t)): Likewise.
3193         * src/c++11/codecvt.cc: Likewise.
3194         * src/c++98/locale_init.cc: Likewise.
3195         * src/c++98/localename.cc: Likewise.
3196
3197         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3198         (__atomic_futex_unsigned_base): Remove dependency on
3199         _GLIBCXX_USE_C99_STDINT_TR1 macro.
3200         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3201         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
3202         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
3203         (uintmax_t): Define using predefined macros.
3204         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
3205         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
3206         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
3207         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
3208         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
3209         long long when <stdint.h> is not usable.
3210         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
3211         (condition_variable, condition_variable_any): Remove dependency on
3212         _GLIBCXX_USE_C99_STDINT_TR1.
3213         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
3214         (packaged_task, async): Likewise.
3215         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
3216         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
3217         (once_flag, call_once): Likewise.
3218         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
3219         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
3220         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
3221         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
3222         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
3223         (this_thread::sleep_until): Likewise.
3224         * src/c++11/chrono.cc: Remove dependency on
3225         _GLIBCXX_USE_C99_STDINT_TR1 macro.
3226         * src/c++11/condition_variable.cc: Likewise.
3227         * src/c++11/futex.cc: Likewise.
3228         * src/c++11/future.cc: Likewise.
3229         * src/c++11/mutex.cc: Likewise.
3230         * src/c++11/thread.cc: Likewise.
3231         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
3232         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3233         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3234         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3235         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
3236         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
3237
3238 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3239
3240         PR libstdc++/77691
3241         * testsuite/experimental/memory_resource/new_delete_resource.cc:
3242         xfail execution on 32-bit Solaris/x86.
3243
3244 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
3245
3246         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
3247         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
3248         (vector::_M_move_assign): Reorder the swaps.
3249
3250 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
3251
3252         PR libstdc++/86676
3253         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
3254         same alignment for post-release allocation.
3255
3256 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
3257
3258         PR libstdc++/86676
3259         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
3260         buffer being misaligned and so returned pointer not being at start.
3261
3262         * include/experimental/memory_resource: Include <cstddef> header.
3263
3264         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
3265         * src/Makefile.am: Add comment.
3266         * src/c++17/Makefile.in: Regenerate.
3267
3268         * include/Makefile.am: Add new <bits/unique_lock.h> header.
3269         * include/Makefile.in: Regenerate.
3270         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
3271         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
3272         (unique_lock): Move definition to ...
3273         * include/bits/unique_lock.h: New header.
3274         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
3275         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
3276         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
3277         (unique_lock::try_lock_for): Define only when <chrono> is usable.
3278         * include/std/condition_variable: Include <bits/unique_lock.h>.
3279         * include/std/mutex: Likewise.
3280
3281 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
3282
3283         * config/abi/pre/gnu.ver: Export new symbols.
3284         * configure: Regenerate.
3285         * include/Makefile.am: Add new <memory_resource> header.
3286         * include/Makefile.in: Regenerate.
3287         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
3288         * include/std/memory_resource: New header.
3289         (memory_resource, polymorphic_allocator, new_delete_resource)
3290         (null_memory_resource, set_default_resource, get_default_resource)
3291         (pool_options, monotonic_buffer_resource): Define.
3292         * src/Makefile.am: Add c++17 directory.
3293         * src/Makefile.in: Regenerate.
3294         * src/c++11/Makefile.am: Fix comment.
3295         * src/c++17/Makefile.am: Add makefile for new sub-directory.
3296         * src/c++17/Makefile.in: Generate.
3297         * src/c++17/memory_resource.cc: New.
3298         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
3299         (default_res, new_delete_resource, null_memory_resource)
3300         (set_default_resource, get_default_resource): Define.
3301         * testsuite/20_util/memory_resource/1.cc: New test.
3302         * testsuite/20_util/memory_resource/2.cc: New test.
3303         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
3304         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
3305         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
3306         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
3307         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
3308         New test.
3309         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
3310         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
3311         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
3312         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
3313         Define concrete memory resource for testing.
3314         (__gnu_test::default_resource_mgr): Define RAII helper for changing
3315         default resource.
3316
3317         PR libstdc++/86658
3318         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
3319         parameter by reference, to avoid copying invalid iterators.
3320         * testsuite/25_algorithms/copy/86658.cc: New test.
3321
3322         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
3323         local variables for number of digits instead of type aliases.
3324         (__log2p1): Remove redundant branch also checked in __countl_zero.
3325
3326         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
3327         conditions. Add comments.
3328         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
3329         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
3330         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
3331
3332         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
3333         (__uses_allocator_helper): Check conditions directly instead of
3334         using __is_erased_or_convertible.
3335
3336         * include/experimental/memory_resource: Adjust comments and
3337         whitespace.
3338         (__resource_adaptor_imp): Add second template parameter for type of
3339         memory resource base class.
3340         (memory_resource): Define default constructor, destructor, copy
3341         constructor and copy assignment operator as defaulted.
3342
3343         PR libstdc++/70966
3344         * include/experimental/memory_resource (__get_default_resource): Use
3345         placement new to create an object with dynamic storage duration.
3346
3347 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
3348
3349         PR libstdc++/70940
3350         * include/experimental/memory_resource
3351         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
3352         (__resource_adaptor_common::__guaranteed_alignment): New helper to
3353         give maximum alignment an allocator guarantees. Specialize for known
3354         allocators using new and malloc.
3355         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
3356         (__resource_adaptor_imp::do_deallocate): Likewise.
3357         * testsuite/experimental/memory_resource/new_delete_resource.cc:
3358         Check that new and delete are called with expected sizes.
3359
3360 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
3361
3362         PR libstdc++/86595
3363         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
3364         noexcept.
3365
3366 2018-07-20  Fangrui Song  <maskray@google.com>
3367
3368         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
3369         _GLIBCXX_VISIBILITY(default).
3370
3371 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
3372
3373         PR libstdc++/86603
3374         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
3375
3376 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
3377
3378         * include/std/type_traits (__is_member_object_pointer_helper): Use
3379         __not_<is_function<_Tp>>::type instead of integral_constant.
3380         (__is_member_function_pointer_helper): Likewise for
3381         is_function<_Tp>::type.
3382         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
3383         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
3384         (is_trivially_constructible): Remove redundant use of
3385         is_constructible.
3386         (__is_trivially_copy_assignable_impl): Remove redundant use of
3387         is_copy_assignable.
3388         (__is_trivially_move_assignable_impl): Remove redundant use of
3389         is_move_assignable.
3390         (is_trivially_destructible): Use __bool_constant.
3391         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
3392         tests for scalar types.
3393
3394 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
3395
3396         * include/bits/stl_algobase.h (__copy_move_a): Used
3397         __is_trivially_copyable.
3398         (__copy_move_backward_a): Likewise.
3399         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
3400         New test.
3401
3402 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
3403
3404         PR libstdc++/86450
3405         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
3406         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
3407         * configure: Regenerate.
3408         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
3409         * doc/Makefile.in: Regenerate.
3410         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
3411         * include/Makefile.in: Regenerate.
3412         * libsupc++/Makefile.in: Regenerate.
3413         * po/Makefile.in: Regenerate.
3414         * python/Makefile.in: Regenerate.
3415         * src/Makefile.in: Regenerate.
3416         * src/c++11/Makefile.in: Regenerate.
3417         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
3418         from -Wabi=2 that don't affect exported symbols.
3419         * src/c++98/Makefile.in: Regenerate.
3420         * src/filesystem/Makefile.in: Regenerate.
3421         * testsuite/Makefile.in: Regenerate.
3422
3423         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
3424         (_Async_state_common::_M_join): Simplify use of std::call_once and
3425         corresponding explicit instantiation.
3426         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
3427         (__bind_simple): Remove definitions and explicit instantiation that
3428         are not required by exported symbols.
3429
3430 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
3431
3432         * scripts/create_testsuite_files: Fix typo in comment.
3433
3434         PR libstdc++/86537
3435         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
3436         non-standard partial specialization.
3437         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
3438         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
3439         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
3440
3441 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
3442
3443         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3444         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3445         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3446
3447 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
3448
3449         * include/debug/functions.h (__gnu_debug::__check_string): Move...
3450         * include/debug/string (__gnu_debug::__check_string): ... here.
3451         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
3452         (__glibcxx_check_string_n_constructor): New.
3453         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
3454         Use latter.
3455         (__glibcxx_check_string_constructor): New.
3456         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
3457         Use latter.
3458         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
3459         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
3460
3461 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
3462
3463         PR libstdc++/84928 use std::move in <numeric> algorithms
3464         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
3465         conditionally move, according to __cplusplus value.
3466         (accumulate, inner_product, partial_sum, adjacent_difference): Use
3467         _GLIBCXX_MOVE_IF_20.
3468         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
3469         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
3470         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
3471         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
3472
3473         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
3474
3475         P0935R0 Eradicating unnecessarily explicit default constructors
3476         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
3477         default constructor symbols.
3478         * include/std/sstream (basic_stringbuf, basic_istringstream)
3479         (basic_ostringstream, basic_stringstream): Remove default arguments
3480         from explicit constructors taking ios_base::openmode and add separate
3481         non-explicit default constructors.
3482         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
3483         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
3484         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
3485         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
3486         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
3487
3488         * include/std/variant (__accepted_index): Use void_t.
3489
3490 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
3491
3492         PR libstdc++/85831
3493         * config/abi/pre/gnu.ver: Export move constructors and move
3494         assignment operators for std::logic_error and std::runtime_error.
3495         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
3496         _GLIBCXX_USE_NOEXCEPT.
3497         (logic_error, runtime_error): Declare move constructors and move
3498         assignment operators. When not declared already, define copy
3499         constructors and copy assignment operators as explicit-defaulted.
3500         (domain_error, invalid_argument, length_error, out_of_range)
3501         (overflow_error, underflow_error): Define move constructors and move
3502         assignment operators as explicitly-defaulted.
3503         * libsupc++/exception.h (exception): Likewise.
3504         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
3505         move constructors and move assignment operators as defaulted.
3506         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
3507         assignment operators are defined.
3508
3509         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
3510         COW strings.
3511         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3512         Likewise.
3513         * testsuite/21_strings/basic_string/requirements/
3514         explicit_instantiation/debug.cc: Likewise.
3515
3516         PR libstdc++/58265
3517         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3518         (basic_string::assign(basic_string&&)): Add conditional noexcept
3519         depending on the allocator's is_always_equal property (LWG 2063).
3520         * testsuite/21_strings/basic_string/modifiers/assign/char/
3521         move_assign.cc: Check for non-throwing exception specification.
3522         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
3523         move_assign.cc: Likewise.
3524
3525         PR libstdc++/58265
3526         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3527         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
3528         Add GLIBCXX_NOEXCEPT.
3529         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
3530         to depend on the allocator's is_always_equal property (LWG 2063).
3531         (basic_string::swap(basic_string&)): Likewise.
3532         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
3533         (basic_string::swap(basic_string&)): Likewise.
3534         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
3535         Check is_nothrow_move_assignable.
3536         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
3537         Check is_nothrow_move_assignable.
3538         * testsuite/21_strings/basic_string/cons/char/
3539         noexcept_move_construct.cc: Likewise.
3540         * testsuite/21_strings/basic_string/cons/wchar_t/
3541         noexcept_move_construct.cc: Likewise.
3542
3543 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3544
3545         P0646R1 Improving the Return Value of Erase-Like Algorithms I
3546         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
3547         Define.
3548         (forward_list::__remove_return_type): Define typedef as size_type or
3549         void, according to __cplusplus value.
3550         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
3551         empty, according to __cplusplus value.
3552         (forward_list::remove, forward_list::unique): Use typedef and macro
3553         to change return type and add abi-tag for C++2a.
3554         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
3555         typedef to change return type for C++2a.
3556         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
3557         (forward_list::remove, forward_list::remove_if<Pred>)
3558         (forward_list::unique<BinPred>): Return number of removed elements
3559         for C++2a.
3560         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
3561         (list::remove, list::unique, list::remove_if<Predicate>)
3562         (list::unique<BinaryPredicate>): Return number of removed elements
3563         for C++2a.
3564         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
3565         (list::__remove_return_type): Define typedef as size_type or
3566         void, according to __cplusplus value.
3567         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
3568         empty, according to __cplusplus value.
3569         (list::remove, list::unique): Use typedef and macro to change return
3570         type and add abi-tag for C++2a.
3571         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
3572         typedef to change return type for C++2a.
3573         * include/std/version (__cpp_lib_list_remove_return_type): Define.
3574         * testsuite/23_containers/forward_list/operations/
3575         remove_cxx20_return.cc: New.
3576         * testsuite/23_containers/forward_list/operations/
3577         unique_cxx20_return.cc: New.
3578
3579         P0458R2 Checking for Existence of an Element in Associative Containers
3580         * include/bits/stl_map.h (map::contains): Add for C++2a.
3581         * include/bits/stl_multimap.h (multimap::contains): Likewise.
3582         * include/bits/stl_multiset.h (multiset::contains): Likewise.
3583         * include/bits/stl_set.h (set::contains): Likewise.
3584         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
3585         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
3586         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
3587         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
3588         * include/bits/unordered_map.h (unordered_map::contains)
3589         (unordered_multimap::contains): Add for C++2a.
3590         * include/bits/unordered_set.h (unordered_set::contains)
3591         (unordered_multiset::contains): Likewise.
3592         * testsuite/23_containers/map/operations/contains.cc: New.
3593         * testsuite/23_containers/multimap/operations/contains.cc: New.
3594         * testsuite/23_containers/multiset/operations/contains.cc: New.
3595         * testsuite/23_containers/set/operations/contains.cc: New.
3596         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
3597         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
3598         New.
3599         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
3600         New.
3601         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
3602
3603 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
3604
3605         PR libstdc++/86272
3606         * include/debug/string
3607         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
3608         Use __glibcxx_check_insert_range.
3609         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
3610         __gnu_debug::string when _GLIBCXX_DEBUG.
3611         * 21_strings/basic_string/init-list.cc: Likewise.
3612         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
3613         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
3614         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
3615         * 21_strings/basic_string/types/1.cc: Likewise.
3616
3617 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3618
3619         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
3620         target for std::random_device.
3621         * testsuite/26_numerics/random/random_device/cons/default.cc:
3622         Likewise.
3623         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
3624         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3625         * testsuite/experimental/random/randint.cc: Likewise.
3626         * testsuite/lib/libstdc++.exp
3627         (check_effective_target_random_device): New proc.
3628
3629 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3630             Jakub Jelinek  <jakub@redhat.com>
3631
3632         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
3633
3634 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3635
3636         PR libstdc++/86398
3637         * include/std/type_traits (is_trivially_constructible): Check
3638         is_constructible before __is_trivially_constructible.
3639         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
3640         tests, including negative cases.
3641         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
3642         zero for dg-error lineno.
3643         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
3644         Likewise.
3645
3646         * include/std/bit (__rotl, __rotr): Avoid branch.
3647         (_If_is_unsigned_integer): Use remove_cv_t.
3648         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
3649
3650 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
3651
3652         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
3653         * include/Makefile.am: Add new header.
3654         * include/Makefile.in: Regenerate.
3655         * include/precompiled/stdc++.h: Include new header.
3656         * include/std/bit: New header.
3657         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
3658         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
3659         Define for C++14.
3660         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
3661         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
3662         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
3663         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
3664         std::byte.
3665         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
3666         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
3667         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
3668         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
3669         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
3670         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
3671         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
3672         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
3673         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
3674         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
3675
3676         * include/bits/alloc_traits.h: Remove redundant preprocessor
3677         condition.
3678
3679 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
3680
3681         * include/bits/stl_algobase.h (__niter_wrap): New.
3682         (__copy_move_a2(_II, _II, _OI)): Use latter.
3683         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
3684         (fill_n(_OI, _Size, const _Tp&)): Likewise.
3685         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
3686         * include/debug/stl_iterator.h
3687         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
3688         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
3689         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
3690         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
3691
3692 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
3693
3694         P0758R1 Implicit conversion traits
3695         * include/std/type_traits [__cplusplus > 201703]
3696         (__is_convertible_helper::__is_nothrow_type): Define new member.
3697         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
3698         noexcept.
3699         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
3700         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
3701         new members.
3702         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
3703         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
3704         * testsuite/20_util/is_nothrow_convertible/requirements/
3705         explicit_instantiation.cc: New.
3706         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
3707         New.
3708
3709         P0887R1 The identity metafunction
3710         * include/std/type_traits (type_identity, type_identity_t): Define
3711         for C++2a.
3712         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
3713         * testsuite/20_util/type_identity/requirements/
3714         explicit_instantiation.cc:New.
3715         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
3716
3717         * include/bits/regex.h (sub_match::operator string_type): Call str().
3718         (sub_match::compare): Use _M_str() instead of str().
3719         (sub_match::_M_compare): New public function.
3720         (sub_match::__string_view): New helper type.
3721         (sub_match::_M_str): New overloaded functions to avoid creating a
3722         string_type object when not needed.
3723         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
3724         Use sub_match::_M_compare instead of creating string_type objects.
3725         Fix Doxygen comments.
3726         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
3727         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
3728         simplify.
3729         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
3730         __enable_if_t.
3731         * include/std/type_traits (__enable_if_t): Define for C++11.
3732         * testsuite/28_regex/sub_match/compare.cc: New.
3733         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
3734         trait.
3735         (input_iterator_wrapper): Use remove_cv for value_type argument of
3736         std::iterator base class.
3737
3738 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
3739
3740         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
3741         Add whitespace to dejagnu directive.
3742         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
3743
3744 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
3745
3746         * include/bits/stl_vector.h
3747         (struct _Vector_base<>::_Vector_impl_data): New.
3748         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
3749         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
3750         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
3751         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
3752         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
3753         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
3754         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
3755         (_Vector_base()): Default.
3756         (_Vector_base(_Vector_base&&)): Default.
3757         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
3758         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
3759         (_Vector_base::_M_create_storage(size_t)): Make protected.
3760         (vector()): Default.
3761         (vector(vector&&)): Default.
3762         (vector(vector&&, const allocator_type&, true_type)): New.
3763         (vector(vector&&, const allocator_type&, false_type)): New.
3764         (vector(vector&&, const allocator_type&)): Use latters.
3765         (vector(_InputIte, _InputIte, const allocator_type&)): Call
3766         _M_range_initialize directly.
3767         * include/debug/vector
3768         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
3769         * testsuite/23_containers/vector/allocator/default_init.cc: New.
3770         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
3771         static assertions.
3772
3773 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
3774
3775         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
3776         (__is_byte<byte>): Define specialization for std::byte.
3777
3778         PR libstdc++/86138
3779         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
3780         Declare explicit instantiations of COW empty reps and I/O functions.
3781
3782 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
3783
3784         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
3785         directives.
3786         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3787
3788 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
3789
3790         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
3791         noexcept.
3792
3793 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
3794
3795         PR libstdc++/86112
3796         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3797         Replace dict comprehension.
3798
3799         PR libstdc++/81092
3800         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3801
3802         PR libstdc++/86292
3803         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
3804         Add try-catch block.
3805         * testsuite/23_containers/vector/cons/86292.cc: New.
3806
3807         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
3808
3809         * include/experimental/algorithm (sample, shuffle): Add new overloads
3810         using per-thread random number engine.
3811         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
3812         dependencies by using __gnu_test::test_container.
3813         * testsuite/experimental/algorithm/sample-2.cc: New.
3814         * testsuite/experimental/algorithm/shuffle.cc: New.
3815
3816 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
3817
3818         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
3819         different size_t mangling on 32-bit targets.
3820
3821         PR libstdc++/86280
3822         * include/experimental/memory_resource
3823         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
3824         enough for result of left shift.
3825
3826         PR libstdc++/86138
3827         * include/bits/basic_string.tcc:
3828         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
3829         (basic_string<char>::_Rep::_S_empty_rep_storage)
3830         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
3831         instantiation declarations.
3832         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
3833         explicit instantiation declarations.
3834         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
3835         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
3836
3837 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
3838
3839         PR libstdc++/83328
3840         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
3841         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
3842         * configure: Regenerate.
3843         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3844         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
3845         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
3846         (basic_string::insert(iterator, initializer_list<C>)): Suppress
3847         definition.
3848         * include/debug/string (basic_string::insert(iterator, C)): Change
3849         first parameter to const_iterator.
3850         (basic_string::insert(iterator, size_type, C)): Likewise. Change
3851         return type to iterator.
3852         (basic_string::insert(iterator, InputIterator, InputIterator)):
3853         Likewise.
3854         (basic_string::insert(iterator, initializer_list<C>)): Change first
3855         parameter to const_iterator and return type to iterator.
3856         * src/c++11/string-inst.cc: Extend comment.
3857         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
3858         New.
3859         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
3860         New.
3861         * testsuite/util/testsuite_abi.cc: Add new symbol version.
3862
3863         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3864
3865         PR libstdc++/70940
3866         * include/experimental/memory_resource
3867         (__resource_adaptor_imp::do_deallocate): Add missing return.
3868         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
3869         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3870         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
3871         __gnu_cxx::malloc_allocator.
3872
3873         PR libstdc++/70940
3874         * include/experimental/memory_resource (__resource_adaptor_common):
3875         New base class.
3876         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
3877         pointer from unaligned, and vice versa.
3878         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
3879         allocated pointer to meet alignment request.
3880         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
3881         original pointer for deallocation.
3882         (__resource_adaptor_imp::do_is_equal): Reformat.
3883         (__resource_adaptor_imp::_S_aligned_size): Remove.
3884         (__resource_adaptor_imp::_S_supported): Remove.
3885         (new_delete_resource): Use __gnu_cxx::new_allocator.
3886         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3887         extended alignments and use debug_allocator to check for matching
3888         allocate/deallocate pairs.
3889
3890 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
3891
3892         * include/debug/safe_iterator.h
3893         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
3894         Compare __x base iterator with a value-initialized iterator of the
3895         same type.
3896
3897 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
3898
3899         PR libstdc++/70966
3900         * include/experimental/memory_resource (__resource_adaptor_imp): Add
3901         static assertions to enforce requirements on pointer types.
3902         (__resource_adaptor_imp::get_allocator()): Add noexcept.
3903         (new_delete_resource, null_memory_resource): Return address of an
3904         object with dynamic storage duration.
3905         (__null_memory_resource): Remove.
3906         * testsuite/experimental/memory_resource/70966.cc: New.
3907
3908         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
3909         missed from recent commit.
3910
3911 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
3912
3913         * include/std/utility: Remove unused <exception> header.
3914
3915 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
3916
3917         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
3918         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
3919         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
3920         a specialization of std::pair.
3921         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
3922         pair elements are constructed correctly.
3923
3924         LWG 2989 hide path iostream operators from normal lookup
3925         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
3926         friends.
3927         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
3928
3929         LWG 3050 Fix cv-qualification of convertibility constraints
3930         * include/std/chrono (duration, operator*, operator/, operator%): Use
3931         const-qualified type as source type in is_convertible constraints.
3932         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
3933         * testsuite/20_util/duration/cons/dr3050.cc: New.
3934         * testsuite/20_util/duration/literals/range.cc: Rename to...
3935         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
3936         dg-error lineno.
3937
3938 2018-06-18  Maya Rashish  <coypu@sdf.org>
3939
3940         * crossconfig.m4: Handle OpenBSD just like NetBSD.
3941         * configure: Rebuilt.
3942
3943 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
3944
3945         P0754R2 <version> header
3946         * include/Makefile.am: Add new header.
3947         * include/Makefile.in: Regenerate.
3948         * include/bits/c++config: Change doxygen comment to suggest <version>
3949         instead of <iosfwd>.
3950         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
3951         unconditionally.  Add C++17 and C++20 headers.
3952         * include/std/version: New header.
3953         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
3954         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
3955         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
3956         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
3957         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
3958         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
3959         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
3960         New.
3961         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
3962         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
3963         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
3964         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
3965         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
3966         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
3967         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
3968         New.
3969         * testsuite/18_support/headers/version/macros.cc: New.
3970         * testsuite/18_support/headers/version/macros.cc: New.
3971
3972         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
3973         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
3974         symlink.
3975         * config.h.in: Regenerate.
3976         * configure: Regenerate.
3977         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
3978
3979         LWG 3035. std::allocator's constructors should be constexpr
3980         * include/bits/allocator.h (allocator): Add constexpr to constructors
3981         for C++2a. Replace dynamic exception specifications with NOTHROW
3982         macro.
3983         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
3984         NOTHROW.
3985         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
3986         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
3987         to constructors for C++2a.
3988         * include/ext/new_allocator.h (new_allocator): Likewise.
3989
3990 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
3991
3992         LWG 3076 basic_string CTAD ambiguity
3993         * doc/xml/manual/intro.xml: Document LWG 3076 change.
3994         * include/bits/basic_string.h
3995         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
3996         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
3997         template constrained by _RequireAllocator.
3998         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
3999         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
4000         Define.
4001         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
4002         deduction
4003         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
4004         Likewise.
4005
4006 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
4007
4008         PR libstdc++/86169
4009         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
4010         (basic_string::data()): Unshare string.
4011         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
4012         New.
4013
4014         * include/std/string_view (basic_string_view(const CharT*)): Remove
4015         check for null pointer and add nonnull attribute.
4016         (compare(const CharT*), compare(size_type, size_type, const CharT*))
4017         (find(const CharT*, size_type), rfind(const CharT*, size_type))
4018         (find_first_of(const CharT*, size_type))
4019         (find_last_of(const CharT*, size_type))
4020         (find_first_not_of(const CharT*, size_type))
4021         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
4022         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
4023         * testsuite/21_strings/basic_string_view/operations/compare/char/
4024         nonnull.cc: New.
4025         * testsuite/21_strings/basic_string_view/operations/find/char/
4026         nonnull.cc: New.
4027         * testsuite/21_strings/basic_string_view/operations/rfind/char/
4028         nonnull.cc: New.
4029
4030         PR libstdc++/86168
4031         * include/bits/random.h (random_device(const string&)): Remove
4032         default argument.
4033
4034         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
4035         define for C++17 and above.
4036
4037         LWG 2993 reference_wrapper<T> conversion from T&&
4038         * doc/xml/manual/intro.xml: Document LWG 2993 change.
4039         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
4040         (reference_wrapper(_Tp&&)): Remove.
4041         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
4042         template.
4043         (reference_wrapper): Add deduction guide.
4044         * testsuite/20_util/reference_wrapper/deduction.cc: New.
4045         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
4046
4047         LWG 3039 Unnecessary decay in thread and packaged_task
4048         * include/std/future (__constrain_pkgdtask): Replace with ...
4049         (packaged_task::__not_same): New alias template, using
4050         __remove_cvref_t instead of decay.
4051         * include/std/thread (thread::__not_same): Add comment.
4052
4053 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
4054
4055         LWG 3075 basic_string needs deduction guides from basic_string_view
4056         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
4057         deduction from string views.
4058         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
4059         Likewise.
4060
4061         LWG 3074 make scalar types non-deduced in valarray non-member functions
4062         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
4063         scalar parameters to be a non-deduced context.
4064         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
4065         whitespace.
4066         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
4067         * testsuite/26_numerics/valarray/transcend.cc: New.
4068
4069         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
4070         Move back to <utility>.
4071         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
4072         Restore to here.
4073
4074         P0935R0 Eradicating unnecessarily explicit default constructors
4075         * include/backward/strstream (strstreambuf): Add non-explicit default
4076         constructor.
4077         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
4078         Likewise.
4079         * include/bits/regex.h (match_results): Likewise.
4080         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
4081         default constructor.
4082         * testsuite/22_locale/conversions/string/1.cc: Likewise.
4083         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
4084         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
4085
4086         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
4087         macro from <utility> and change type to long.
4088         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
4089         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
4090         macro.
4091
4092         P0935R0 Eradicating unnecessarily explicit default constructors
4093         * include/bits/random.h (uniform_real_distribution::param_type)
4094         (normal_distribution::param_type, lognormal_distribution::param_type)
4095         (gamma_distribution::param_type, chi_squared_distribution::param_type)
4096         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
4097         (student_t_distribution::param_type)
4098         (bernoulli_distribution::param_type)
4099         (binomial_distribution::param_type)
4100         (geometric_distribution::param_type)
4101         (negative_binomial_distribution::param_type)
4102         (poisson_distribution::param_type)
4103         (exponential_distribution::param_type)
4104         (weibull_distribution::param_type)
4105         (extreme_value_distribution::param_type): Add non-explicit default
4106         constructors. Remove default argument for first parameter of explicit
4107         constructors.
4108         * include/bits/uniform_int_dist.h
4109         (uniform_int_distribution::param_type): Likewise.
4110         * include/ext/random
4111         (beta_distribution::param_type, rice_distribution::param_type)
4112         (nakagami_distribution::param_type, pareto_distribution::param_type)
4113         (k_distribution::param_type, arcsine_distribution::param_type)
4114         (hoyt_distribution::param_type, triangular_distribution::param_type)
4115         (von_mises_distribution::param_type)
4116         (hypergeometric_distribution::param_type)
4117         (logistic_distribution::param_type)
4118         (uniform_inside_sphere_distribution::param_type): Likewise.
4119         (uniform_on_sphere_distribution::param_type): Make default constructor
4120         non-explicit.
4121         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
4122         Test param_type for non-explicit default constructor.
4123         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
4124         Likewise.
4125         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
4126         Likewise.
4127         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
4128         Likewise.
4129         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
4130         Likewise.
4131         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
4132         Likewise.
4133         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
4134         Likewise.
4135         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
4136         Likewise.
4137         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
4138         Likewise.
4139         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
4140         Likewise.
4141         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
4142         Likewise.
4143         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
4144         Likewise.
4145         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
4146         Likewise.
4147         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
4148         Likewise.
4149         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
4150         Likewise.
4151         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
4152         Likewise.
4153         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
4154         Likewise.
4155         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
4156         Likewise.
4157         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
4158         Likewise.
4159         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
4160         Likewise.
4161         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
4162         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
4163         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
4164         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
4165         Likewise.
4166         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
4167         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
4168         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
4169         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
4170         Likewise.
4171         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
4172         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
4173         * testsuite/ext/random/triangular_distribution/cons/default.cc:
4174         Likewise.
4175         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
4176         Likewise.
4177         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
4178         Likewise.
4179         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
4180         Likewise.
4181
4182 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
4183             Jonathan Wakely  <jwakely@redhat.com>
4184
4185         PR libstdc++/83982
4186         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
4187         Default-construct new elements before moving existing ones.
4188         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
4189         New.
4190
4191 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
4192
4193         PR libstdc++/86127
4194         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
4195         unused typedef.
4196         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
4197         Use node allocator to create and destroy elements.
4198         (forward_list::_Tp_alloc_type): Remove unused typedef.
4199         (forward_list::_Alloc_traits): Use allocator_traits instead of
4200         __gnu_cxx::__alloc_traits.
4201
4202 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
4203
4204         * include/debug/helper_functions.h
4205         (__gnu_debug::_Safe_iterator<>): Add declaration.
4206         (__can_advance(_Ite, _Size)): New.
4207         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
4208         * include/debug/functions.h
4209         (__gnu_debug::_Safe_iterator<>): Remove declaration.
4210         * include/debug/stl_iterator.h
4211         (__can_advance(const _Safe_iterator<>&)): New definition.
4212         * include/debug/stl_iterator.h
4213         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
4214         (__can_advance(const std::move_iterator<>&, _Size)): New.
4215         * include/debug/macros.h (__glibcxx_check_can_increment): New.
4216         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
4217         * include/bits/stl_algobase.h (fill_n): Use latter.
4218         * testsuite/25_algorithms/fill_n/2.cc: New.
4219         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
4220         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
4221         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
4222         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
4223
4224         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
4225         (__glibcxx_requires_can_decrement_range): New.
4226
4227 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
4228
4229         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
4230         (__glibcxx_check_can_decrement_range): New.
4231         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
4232         __glibcxx_requires_can_increment_range.
4233         (std::move(_II, _II, _OI)): Likewise.
4234         (std::copy_backward(_BI, _BI, _BI2)): Use
4235         __glibcxx_requires_can_decrement_range.
4236         (std::move_backward(_BI, _BI, _BI2)): Likewise.
4237         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
4238         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
4239         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
4240         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
4241         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
4242         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
4243
4244 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
4245
4246         P0935R0 Eradicating unnecessarily explicit default constructors
4247         * include/bits/random.h (linear_congruential_engine)
4248         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
4249         (uniform_real_distribution, normal_distribution)
4250         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
4251         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
4252         (bernoulli_distribution, binomial_distribution,geometric_distribution)
4253         (negative_binomial_distribution, exponential_distribution)
4254         (weibull_distribution, extreme_value_distribution): Add non-explicit
4255         default constructors. Remove default argument for first parameter of
4256         explicit constructors.
4257         (piecewise_constant_distribution, piecewise_linear_distribution):
4258         Make default constructor non-explicit.
4259         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
4260         non-explicit default constructors. Remove default argument for first
4261         parameter of explicit constructor.
4262         * include/ext/random
4263         (simd_fast_mersenne_twister_engine, beta_distribution)
4264         (rice_distribution, nakagami_distribution, pareto_distribution)
4265         (k_distribution, arcsine_distribution, hoyt_distribution)
4266         (triangular_distribution, von_mises_distribution)
4267         (hypergeometric_distribution, logistic_distribution)
4268         (uniform_inside_sphere_distribution): Likewise.
4269         (uniform_on_sphere_distribution): Make default constructor
4270         non-explicit.
4271         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
4272         Test for non-explicit default constructor. Fix references to standard.
4273         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
4274         Likewise.
4275         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
4276         Likewise.
4277         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
4278         Likewise.
4279         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
4280         Likewise.
4281         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
4282         Likewise.
4283         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
4284         Likewise.
4285         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
4286         Likewise.
4287         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
4288         Likewise.
4289         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
4290         Likewise.
4291         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
4292         Likewise.
4293         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
4294         Likewise.
4295         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
4296         Likewise.
4297         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
4298         Likewise.
4299         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
4300         Likewise.
4301         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
4302         Likewise.
4303         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
4304         Likewise.
4305         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
4306         Likewise.
4307         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
4308         Likewise.
4309         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
4310         Likewise.
4311         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
4312         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
4313         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
4314         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
4315         Likewise.
4316         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
4317         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
4318         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
4319         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
4320         Likewise.
4321         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
4322         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
4323         * testsuite/ext/random/triangular_distribution/cons/default.cc:
4324         Likewise.
4325         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
4326         Likewise.
4327         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
4328         Likewise.
4329         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
4330         Likewise.
4331         * testsuite/util/testsuite_common_types.h
4332         (implicitly_default_constructible): New helper.
4333
4334 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
4335
4336         * include/bits/ios_base.h (ios::Init::Init(const Init&))
4337         (ios::Init::operator=): Define as defaulted.
4338         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
4339         Likewise.
4340         * include/bits/stream_iterator.h (istream_iterator::operator=)
4341         (ostream_iterator::operator=): Likewise.
4342         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
4343         Likewise.
4344         * include/std/bitset (bitset::reference::reference(const reference&)):
4345         Likewise.
4346         * include/std/complex (complex<float>::complex(const complex&))
4347         (complex<double>::complex(const complex&))
4348         (complex<long double>::complex(const complex&)): Likewise.
4349
4350 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
4351
4352         * include/bits/regex.h (sub_match): Add noexcept to default
4353         constructor and length observer.
4354         (match_results): Add noexcept to default constructor and observers
4355         with no preconditions. Define destructor as defaulted.
4356         (operator==, operator!=, swap): Add noexcept.
4357         (regex_iterator): Add default member initializers and define default
4358         constructor and destructor as defaulted. Add noexcept to equality
4359         and dereference operators.
4360
4361 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
4362
4363         * src/c++11/debug.cc
4364         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
4365         (_Safe_iterator_base::_M_detach_single()): Likewise.
4366         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
4367         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
4368
4369 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
4370
4371         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
4372         move of const value.
4373
4374 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
4375
4376         PR c++/86068
4377         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
4378         rather than __cpp_transactional_memory >= 201505L.
4379
4380 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
4381
4382         PR libstdc++/86008
4383         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
4384         Define new partial specialization.
4385         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
4386         new overload.
4387         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
4388         value not reference for iteration.
4389         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
4390         comment.
4391         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
4392         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
4393         comment.
4394
4395 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
4396
4397         * include/std/type_traits: Fix comment typos.
4398
4399         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
4400         mingw* targets.
4401         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
4402         * testsuite/experimental/filesystem/operations/read_symlink.cc:
4403         Likewise.
4404
4405 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
4406
4407         * include/bits/stl_tempbuf.h
4408         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
4409         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
4410         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
4411         * include/bits/stl_algo.h (__stable_partition): Adapt.
4412         (__inplace_merge): Adapt.
4413         (__stable_sort): Adapt.
4414
4415 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
4416
4417         PR libstdc++/85930
4418         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
4419         unconditionally. Remove redundant declaration.
4420         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
4421         alignment-specifier.
4422
4423         * include/bits/postypes.h (fpos): Define special members as defaulted.
4424
4425         PR libstdc++/85930
4426         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
4427         the static variable correctly.
4428
4429 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
4430
4431         PR libstdc++/78870 support std::filesystem on Windows
4432         * config.h.in: Regenerate.
4433         * configure: Regenerate.
4434         * configure.ac: Check for link, readlink and symlink.
4435         * include/bits/fs_path.h (path::operator/=(const path&)): Move
4436         definition out of class body.
4437         (path::is_absolute(), path::_M_append(path)): Likewise.
4438         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
4439         (operator>>(basic_istream, path&)): Likewise.
4440         (u8path): Reorder definitions and fix Windows implementation.
4441         (path::is_absolute()): Define inline and fix for Windows.
4442         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
4443         Define POSIX version inline.
4444         (path::_M_append(path)): Define inline.
4445         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
4446         definition out of class body.
4447         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
4448         escape characters.
4449         (operator>>(basic_istream, path&)): Likewise.
4450         (path::is_absolute()): Define inline and fix for Windows.
4451         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
4452         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
4453         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
4454         Define as adaptors for Windows functions/types or as
4455         using-declarations for POSIX functions/types.
4456         (_Dir_base, get_file_type): Qualify names to use declarations from
4457         __gnu_posix namespace.
4458         (_Dir_base::is_dor_or_dotdot): New helper functions.
4459         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
4460         names to use declarations from __gnu_posix namespace.
4461         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
4462         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
4463         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
4464         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
4465         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
4466         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
4467         Define as adaptors for Windows functions/types or as
4468         using-declarations for POSIX functions/types.
4469         (stat_type, do_copy_file): Qualify names to use declarations from
4470         __gnu_posix namespace.
4471         (do_space): Declare new function.
4472         (make_file_type): Only use S_ISLNK if defined.
4473         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
4474         path::value_type not char.
4475         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
4476         names to use declarations from __gnu_posix namespace.
4477         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
4478         add implementation for Windows.
4479         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
4480         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
4481         [!_PC_PATH_MAX]: Don't use pathconf.
4482         [PATH_MAX]: Use if defined.
4483         (filesystem::current_path(const path&, error_code&))
4484         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
4485         (filesystem::last_write_time, filesystem::permissions): Use names
4486         from __gnu_posix.
4487         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
4488         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
4489         implementation for Windows.
4490         (filesystem::rename, filesystem::resize_file): Use names from
4491         __gnu_posix.
4492         (filesystem::space): Use do_space.
4493         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
4494         (filesystem::status, filesystem::symlink_status): Use names from
4495         __gnu_posix.
4496         (filesystem::temp_directory_path): Add implementation for Windows.
4497         * src/filesystem/path.cc (dot): Define constant.
4498         (path::replace_extension): Use dot.
4499         (path::_M_find_extension): Likewise. Use path::string_type not
4500         std::string.
4501         (path::_M_split_cmpts): Use dot.
4502         (filesystem_error::_M_get_what): Use u8string() not native().
4503         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
4504         Qualify names to use declarations from __gnu_posix namespace.
4505         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
4506         correct error_code.
4507         (filesystem::absolute(const path&, error_code&)): Add implementation
4508         for Windows.
4509         (char_ptr, filesystem::canonical): Use path::value_type not char.
4510         (do_copy_file): Use names from __gnu_posix.
4511         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
4512         sendfile.
4513         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
4514         names to use declarations from __gnu_posix namespace.
4515         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
4516         add implementation for Windows.
4517         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
4518         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
4519         [!_PC_PATH_MAX]: Don't use pathconf.
4520         [PATH_MAX]: Use if defined.
4521         (filesystem::current_path(const path&, error_code&))
4522         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
4523         (filesystem::last_write_time, filesystem::permissions): Use names
4524         from __gnu_posix.
4525         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
4526         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
4527         implementation for Windows.
4528         (filesystem::rename, filesystem::resize_file): Use names from
4529         __gnu_posix.
4530         (do_space): Define.
4531         (filesystem::space): Use do_space.
4532         (filesystem::status, filesystem::symlink_status): Use names from
4533         __gnu_posix.
4534         (filesystem::temp_directory_path): Add implementation for Windows.
4535         * src/filesystem/std-path.cc
4536         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
4537         Define for Windows.
4538         (dot): Define constant.
4539         (path::replace_extension, is_dot): Use dot.
4540         (path::lexically_normal): Check _M_type instead of calling
4541         non-existent function.
4542         (path::_M_find_extension): Use dot. Use path::string_type not
4543         std::string.
4544         (path::_M_split_cmpts): Use dot.
4545         (filesystem_error::_M_get_what): Use u8string() not native().
4546         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
4547         use symlinks.
4548         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4549         Likewise.
4550         * testsuite/27_io/filesystem/operations/absolute.cc: Use
4551         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
4552         * testsuite/27_io/filesystem/operations/canonical.cc: Use
4553         path::string() to get narrow string, not path::native().
4554         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
4555         with std::filesystem::path not std::basic_string.
4556         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
4557         * testsuite/27_io/filesystem/operations/exists.cc: Use
4558         __gnu_test::root_path() instead of "/".
4559         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
4560         fstreams with std::filesystem::path not std::basic_string.
4561         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
4562         path::string() to get narrow string.
4563         * testsuite/27_io/filesystem/operations/space.cc: Check results for
4564         errors, expect sensible values otherwise.
4565         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
4566         helpers for adjusting the environment on Windows.
4567         * testsuite/27_io/filesystem/path/append/path.cc: Test
4568         Windows-specific behaviour.
4569         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
4570         of path::string_type objects.
4571         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
4572         string to wide string on Windows.
4573         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
4574         for backslash as root-directory.
4575         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
4576         path::string() to get narrow string.
4577         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
4578         paths.
4579         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
4580         not std::string.
4581         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
4582         different definintion of absolute paths on Windows.
4583         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4584         Do not use symlinks.
4585         * testsuite/experimental/filesystem/operations/absolute.cc: Test
4586         Windows behaviour.
4587         * testsuite/experimental/filesystem/operations/copy.cc: Construct
4588         fstreams with NTCTS not std::basic_string.
4589         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
4590         * testsuite/experimental/filesystem/operations/exists.cc: Use
4591         __gnu_test::root_path() instead of "/".
4592         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
4593         fstreams with NTCTS not std::basic_string.
4594         * testsuite/experimental/filesystem/operations/last_write_time.cc:
4595         Use path::string() to get narrow string.
4596         * testsuite/experimental/filesystem/operations/space.cc: Use
4597         __gnu_test::root_path() instead of "/".
4598         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
4599         Add helpers for adjusting the environment on Windows.
4600         * testsuite/experimental/filesystem/path/append/path.cc: Use
4601         path::string() to get narrow strings for comparisons.
4602         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
4603         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
4604         Likewise.
4605         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
4606         * testsuite/experimental/filesystem/path/native/string.cc: Use
4607         string_type not std::string.
4608         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
4609         Adjust for different definintion of absolute paths on Windows.
4610         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
4611         function.
4612         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
4613         std::basic_string.
4614
4615 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
4616
4617         PR libstdc++/85951
4618         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
4619         uint_least16_t and uint_least32_t.
4620         (__make_unsigned<wchar_t>): Define unconditionally.
4621         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
4622         typedefs.
4623         (__make_unsigned_selector_base): New type to provide helper templates.
4624         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
4625         __make_unsigned_selector_base helpers.
4626         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
4627         (__make_signed_selector<_Tp, true, false>): Remove intermediate
4628         typedefs.
4629         (__make_signed<wchar_t>, __make_signed<char16_t>)
4630         (__make_signed<char32_t>)): Define unconditionally.
4631         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
4632         wchar_t, char16_t and char32_t are transformed correctly.
4633         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
4634         dg-error lineno.
4635         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
4636         wchar_t, char16_t and char32_t are transformed correctly.
4637         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
4638         dg-error lineno.
4639
4640 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
4641
4642         * include/std/variant (__erased_dtor): Qualify call to __get.
4643
4644 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
4645
4646         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
4647         (_Rb_tree(const allocator_type&)): Use latter.
4648         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
4649         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
4650         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4651         * include/bits/stl_multimap.h
4652         (multimap(const allocator_type&)): Likewise.
4653         (multimap(initializer_list<value_type>, const allocator_type&)):
4654         Likewise.
4655         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
4656         Likewise.
4657         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
4658         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
4659         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4660         * include/bits/stl_multiset.h
4661         (multiset(const allocator_type&)): Likewise.
4662         (multiset(initializer_list<value_type>, const allocator_type&)):
4663         Likewise.
4664         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
4665         Likewise.
4666
4667 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
4668
4669         PR libstdc++/85768
4670         * src/c++11/debug.cc: Remove backtrace usage.
4671
4672 2018-05-24  Maya Rashish  <coypu@sdf.org>
4673
4674         PR target/85904
4675         * crossconfig.m4: Test for aligned_alloc on netbsd.
4676         * configure: Regenerate.
4677
4678 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
4679
4680         PR libstdc++/69769
4681         PR libstdc++/85886
4682         * include/bits/atomic_base.h (__atomic_base::value_type)
4683         (__atomic_base::difference_type): Add new typedefs.
4684         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
4685         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
4686         (atomic<T*>::operator++, atomic<T*>::operator--)
4687         (atomic<T*>::operator+=, atomic<T*>::operator-=)
4688         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
4689         to enforce C++17 requirement on pointer arithmetic.
4690         (__atomic_val_t, __atomic_diff_t): New alias templates.
4691         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
4692         (atomic_compare_exchange_weak_explicit)
4693         (atomic_compare_exchange_strong_explicit, atomic_store)
4694         (atomic_exchange, atomic_compare_exchange_weak)
4695         (atomic_compare_exchange_strong): Use __atomic_val_t to make
4696         scalar parameters be non-deduced contexts.
4697         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4698         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
4699         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
4700         parameters.
4701         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
4702         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
4703         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
4704         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4705         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
4706         address types.
4707         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
4708         * testsuite/29_atomics/atomic/69769.cc: New test.
4709         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
4710         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
4711         Disable test for C++17 and later.
4712         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
4713         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
4714         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
4715         test.
4716
4717 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
4718
4719         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
4720         template to alias template.
4721         (path::__value_type_is_char): Use remove_const_t.
4722         (path:_S_string_from_iter): New helper function.
4723         (path::_S_convert(InputIter, __null_terminated))
4724         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4725         Use _S_string_from_iter.
4726         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
4727         rep for COW strings.
4728         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4729         Change from class template to alias template.
4730         (path::__value_type_is_char): Use remove_const.
4731         (path:_S_string_from_iter): New helper function.
4732         (path::_S_convert(InputIter, __null_terminated))
4733         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4734         Use _S_string_from_iter.
4735         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
4736         wide strings.
4737         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
4738         string equality, not path equivalence.
4739         * testsuite/27_io/filesystem/path/construct/format.cc: Check
4740         construction from std::string and std::wstring and input iterators.
4741         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
4742         construction from iterators.
4743         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
4744         exact string equality, not path equivalence.
4745         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
4746         construction from iterators.
4747
4748         * include/bits/fs_path.h (path::_M_type): Change default member
4749         initializer to _Filename.
4750         (path::begin): Create past-the-end iterator for empty path.
4751         * src/filesystem/std-path.cc (path::remove_filename()): Remove
4752         debugging check.
4753         (path::has_relative_path()): Return false for empty filenames.
4754         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
4755         Fix offset of empty final component.
4756         * testsuite/27_io/filesystem/path/itr/components.cc: New.
4757         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
4758
4759 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4760
4761         Add support for opening file streams from wide character strings.
4762         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
4763         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4764         Define new overload.
4765         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
4766         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4767         Declare new overload.
4768         * configure.ac: Check for _wfopen.
4769         * crossconfig.m4: Likewise.
4770         * configure: Regenerate.
4771         * config.h.in: Regenerate.
4772         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
4773         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4774         Define new overload.
4775         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
4776         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4777         Declare new overload.
4778         [_GLIBCXX_HAVE__WFOPEN]
4779         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4780         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
4781         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4782         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
4783         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4784         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
4785         new overloads.
4786         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
4787         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
4788         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
4789         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
4790         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
4791         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
4792         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
4793
4794 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
4795
4796         PR libstdc++/85845
4797         * include/bits/stl_tree.h
4798         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
4799         qualification.
4800
4801 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4802
4803         * src/filesystem/std-ops.cc (absolute): Report an error for empty
4804         paths.
4805         (weakly_canonical(const path&)): Do not call canonical on empty path.
4806         (weakly_canonical(const path&, error_code&)): Likewise.
4807         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
4808
4809         PR libstdc++/85818
4810         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
4811         dg-require-filesystem-ts.
4812
4813         PR libstdc++/85843
4814         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
4815         initialize base class to avoid warnings.
4816
4817 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
4818
4819         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
4820         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
4821         little_endian element in bitmask.
4822         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
4823         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
4824
4825 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
4826
4827         * include/bits/stl_tree.h
4828         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
4829         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
4830         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
4831         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
4832         * include/debug/map.h
4833         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
4834         * include/debug/multimap.h
4835         (multimap(multimap&&, const_allocator_type&)): Likewise.
4836         * include/debug/set.h
4837         (set(set&&, const_allocator_type&)): Likewise.
4838         * include/debug/multiset.h
4839         (multiset(multiset&&, const_allocator_type&)): Likewise.
4840         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
4841         Add checks.
4842         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
4843         Add checks.
4844         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
4845         Add checks.
4846         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
4847         Add checks.
4848         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
4849         Add checks.
4850         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
4851         Add checks.
4852         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
4853         Add checks.
4854         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
4855         Add checks.
4856
4857 2018-05-18  Jason Merrill  <jason@redhat.com>
4858
4859         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
4860         for conversion to const_iterator.  Add defaulted copy ops.
4861         * libsupc++/new (bad_alloc): Add defaulted copy ops.
4862         * libsupc++/exception.h (exception): Add defaulted copy ops.
4863         * include/std/system_error (system_error): Add defaulted copy ops.
4864         * include/std/stdexcept (domain_error, invalid_argument)
4865         (length_error, out_of_range, range_error, overflow_error)
4866         (underflow_error): Add defaulted copy ops.
4867         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
4868         copy assignment.
4869         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
4870         * include/ext/throw_allocator.h (condition_base): Add defaulted
4871         default and copy ctor and copy assignment.
4872
4873 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
4874
4875         PR libstdc++/85098
4876         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
4877         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
4878         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
4879         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
4880         definitions.
4881         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
4882         whitespace.
4883         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
4884         braces around body of do-while.
4885         * testsuite/28_regex/basic_regex/85098.cc: New
4886
4887 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
4888
4889         PR libstdc++/85818
4890         * src/filesystem/path.cc (path::preferred_separator): Add used
4891         attribute.
4892         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
4893
4894         PR libstdc++/85812
4895         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
4896         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
4897         Refactor to separate non-throwing and throwing implementations.
4898         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
4899         if constructing the object throws.
4900
4901 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
4902
4903         PR libstdc++/85749
4904         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
4905         (linear_congruential_engine, mersenne_twister_engine)
4906         (subtract_with_carry_engine, discard_block_engine)
4907         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
4908         constrain function templates taking seed sequences.
4909         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
4910         (mersenne_twister_engine::seed(_Sseq&))
4911         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
4912         match declarations.
4913         * include/ext/random (simd_fast_mersenne_twister_engine): Use
4914         __is_seed_seq to constrain function templates taking seed sequences.
4915         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
4916         Change return type to match declaration.
4917         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
4918         New.
4919         * testsuite/26_numerics/random/independent_bits_engine/cons/
4920         seed_seq2.cc: New.
4921         * testsuite/26_numerics/random/linear_congruential_engine/cons/
4922         seed_seq2.cc: New.
4923         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
4924         seed_seq2.cc: New.
4925         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
4926         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
4927         New.
4928         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
4929         seed_seq2.cc: New.
4930         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
4931         seed_seq2.cc: New.
4932
4933         PR libstdc++/83891
4934         * include/bits/fs_path.h (path::is_absolute()): Use same definition
4935         for all operating systems.
4936         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
4937         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
4938         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
4939         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
4940
4941         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
4942         unused <vector> header.
4943         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4944         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4945         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4946         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4947         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
4948         Likewise.
4949         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4950         Likewise.
4951         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4952         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4953         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4954         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4955         * testsuite/experimental/filesystem/path/decompose/extension.cc:
4956         Likewise.
4957         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
4958         * testsuite/experimental/filesystem/path/query/has_extension.cc:
4959         Likewise.
4960         * testsuite/experimental/filesystem/path/query/has_filename.cc:
4961         Likewise.
4962         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
4963         Likewise.
4964         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
4965         Likewise.
4966         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
4967         Likewise.
4968         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
4969         Likewise.
4970         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
4971         Likewise.
4972         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
4973         * testsuite/experimental/filesystem/path/query/is_relative.cc:
4974         Likewise.
4975
4976         PR libstdc++/84159
4977         * include/bits/fs_path.h (path::operator/=, path::append): Construct
4978         temporary path before calling _M_append.
4979         (path::_M_append): Change parameter to path and implement C++17
4980         semantics.
4981         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
4982         and more examples from the standard.
4983         * testsuite/27_io/filesystem/path/append/source.cc: New.
4984         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
4985         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
4986
4987         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
4988         __invoke to prevent ADL.
4989
4990 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
4991
4992         PR libstdc++/81256
4993         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
4994         exceptions from _M_terminate_output().
4995         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
4996         exceptions from close().
4997         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
4998
4999         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
5000         (__valarray_get_storage): Call operator new directly. Remove ignored
5001         top-level restrict qualifier and add malloc attribute instead.
5002         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
5003
5004         PR libstdc++/67554
5005         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
5006         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
5007
5008         PR libstdc++/82966
5009         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
5010         instead of type.
5011         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
5012
5013 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
5014
5015         PR libstdc++/80165
5016         * testsuite/20_util/variant/80165.cc: New.
5017
5018 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
5019
5020         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
5021         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
5022         of C++11 containers with Debug Mode support.
5023         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
5024         * doc/html/*: Regenerate.
5025
5026 2018-05-10  Jason Merrill  <jason@redhat.com>
5027
5028         * include/bits/regex_compiler.h (_S_cache_size): Change from
5029         function to variable.
5030
5031 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
5032
5033         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
5034         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
5035         argument defaulted to +1.  Doxy comments on same.
5036         * testsuite/special_functions/02_assoc_legendre/
5037         check_value.cc: Regen.
5038         * testsuite/tr1/5_numerical_facilities/special_functions/
5039         02_assoc_legendre/check_value.cc: Regen.
5040
5041 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
5042
5043         PR libstdc++/85729
5044         * include/bits/c++config.h (__replacement_assert): Add linkage
5045         specification.
5046         * include/bits/std_abs.h: Add comment to closing brace of block.
5047         * include/c_global/cstddef: Add linkage specification.
5048         * include/c_global/cstring: Likewise.
5049         * include/c_global/cwchar: Likewise.
5050
5051 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
5052
5053         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
5054         Rename in...
5055         (_Safe_iterator<>::_S_constant()): ...that.
5056         * include/debug/safe_local_iterator.h
5057         (_Safe_local_iterator<>::_M_constant()): Rename in...
5058         (_Safe_local_iterator<>::_S_constant()): ...that.
5059         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
5060         (_Iterator_state::__rbegin): New.
5061         (_Iterator_state::__rmiddle): New.
5062         (_Iterator_state::__rend): New.
5063         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
5064         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
5065         iterator type.
5066         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
5067         _Is_iterator)): Likewise.
5068         (_Parameter::_S_reverse_state(_Iterator_state)): New.
5069         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
5070         _Is_iterator)): New.
5071         (_Parameter(std::reverse_iterator<> const&, const char*,
5072         _Is_iterator)): New.
5073         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
5074         const char*, _Is_iterator)): New.
5075         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
5076         New.
5077         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
5078         _Is_iterator)): New.
5079         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
5080         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
5081         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
5082
5083 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
5084
5085         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
5086         Use constexpr if in C++17 mode.
5087         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
5088         Copy from const object.
5089         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
5090
5091 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
5092
5093         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
5094         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
5095         backtrace.
5096
5097         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
5098         * include/debug/functions.h (__check_valid_range): Use latter.
5099         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
5100         use latter.
5101         * include/debug/deque
5102         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
5103         * include/debug/forward_list
5104         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
5105         Likewise.
5106         * include/debug/list
5107         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5108         * include/debug/list
5109         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5110         * include/debug/map.h
5111         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5112         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
5113         Likewise.
5114         * include/debug/multimap.h
5115         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5116         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
5117         const _Alloc&)): Likewise.
5118         * include/debug/set.h
5119         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5120         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
5121         Likewise.
5122         * include/debug/multiset.h
5123         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5124         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
5125         const _Alloc&)): Likewise.
5126         * include/debug/string
5127         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
5128         Likewise.
5129         * include/debug/unordered_map
5130         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
5131         Likewise.
5132         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
5133         const _Alloc&)): Likewise.
5134         * include/debug/unordered_set
5135         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
5136         Likewise.
5137         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
5138         const _Alloc&)): Likewise.
5139         * include/debug/vector
5140         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
5141
5142         * include/debug/formatter.h (_Error_formatter::_M_function): New.
5143         (_Error_formatter(const char*, unsigned int)): Adapt.
5144         (_Error_formatter::_M_at): Rename in...
5145         (_Error_formatter::_S_at): ...that and adapt.
5146         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
5147         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
5148         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
5149         when available.
5150
5151 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
5152
5153         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
5154         Use normal std::vector even in Debug Mode.
5155
5156         PR libstdc++/85672
5157         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
5158         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
5159         * include/Makefile.in: Regenerate.
5160         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
5161         within conditional block.
5162
5163 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
5164
5165         * doc/xml/manual/using.xml (table.cmd_options): Document that the
5166         C++17 Filesystem implementation also needs -lstdc++fs.
5167
5168         PR libstdc++/85671
5169         * include/bits/fs_path.h (operator/): Permit copy elision.
5170         * include/experimental/bits/fs_path.h (operator/): Likewise.
5171
5172 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
5173
5174         Moar PR libstdc++/80506
5175         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
5176         Fix magic number used in loop condition.
5177
5178 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
5179
5180         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
5181         * include/std/optional (_Optional_payload): Add noexcept to default
5182         constructor. Re-indent.
5183         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
5184         constructor for copying disengaged payloads.
5185         (_Optional_payload<_Tp, true, false, true>): Likewise.
5186         (_Optional_payload<_Tp, true, true, false>): Likewise.
5187         (_Optional_payload<_Tp, true, false, false>): Likewise.
5188         * testsuite/20_util/optional/cons/85642.cc: New.
5189         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
5190
5191 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
5192
5193         PR libstdc++/82644
5194         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
5195         inline definitions instead of using-declarations.
5196         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
5197         * testsuite/tr1/5_numerical_facilities/special_functions/
5198         07_conf_hyperg/compile_cxx17.cc: New.
5199         * testsuite/tr1/5_numerical_facilities/special_functions/
5200         17_hyperg/compile_cxx17.cc: New.
5201
5202         PR libstdc++/84769
5203         * include/std/variant (visit): Qualify std::get call.
5204
5205         PR libstdc++/85632 use uintmax_t for arithmetic
5206         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
5207         arithmetic in result type.
5208         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
5209         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
5210         is greater than free space.
5211         * testsuite/experimental/filesystem/operations/space.cc: New.
5212
5213         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
5214         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
5215         New.
5216         * testsuite/20_util/remove_cvref/value.cc: New.
5217         * testsuite/20_util/remove_cvref/value_ext.cc: New.
5218
5219         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
5220         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
5221         (append(const basic_string&, size_type, size_type)
5222         (assign(const basic_string&, size_type, size_type)
5223         (insert(size_type, const basic_string&, size_type, size_type)
5224         (replace(size_type,size_type,const basic_string&,size_type,size_type)
5225         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
5226         Add default arguments (LWG 2268).
5227         [_GLIBCXX_USE_CXX11_ABI=0]
5228         (append(const basic_string&, size_type, size_type)
5229         (assign(const basic_string&, size_type, size_type)
5230         (insert(size_type, const basic_string&, size_type, size_type)
5231         (replace(size_type,size_type,const basic_string&,size_type,size_type)
5232         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
5233         Likewise.
5234         * testsuite/21_strings/basic_string/dr2268.cc: New test.
5235
5236         PR libstdc++/84535
5237         * include/std/thread (thread::__not_same): New SFINAE helper.
5238         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
5239         first argument is not a std::thread. Add static assertion to check
5240         INVOKE expression is valid.
5241         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
5242         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
5243         __invoke_result for return types and remove exception specifications.
5244         * testsuite/30_threads/thread/cons/84535.cc: New.
5245
5246         * include/std/future (__async_result_of): Use __invoke_result instead
5247         of result_of.
5248
5249         * include/std/any (any_cast): Use __remove_cvref_t.
5250         * include/std/tuple (__make_tuple): Likewise.
5251         * include/std/type_traits (__remove_cvref_t): Define.
5252         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
5253         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
5254         * include/std/variant (__erased_hash): Use __remove_cvref_t.
5255
5256 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
5257
5258         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
5259         ensure overloaded comma not used.
5260         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
5261         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
5262         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
5263         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
5264         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
5265         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
5266         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
5267
5268 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
5269
5270         PR libstdc++/68197
5271         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
5272         indices to unsigned.
5273         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
5274         as failure. Refactor error handling.
5275         * testsuite/27_io/ios_base/storage/68197.cc: New.
5276
5277         PR libstdc++/57997
5278         PR libstdc++/83860
5279         * include/bits/gslice_array.h (gslice_array): Define default
5280         constructor as deleted, as per C++11 standard.
5281         * include/bits/mask_array.h (mask_array): Likewise.
5282         * include/bits/slice_array.h (slice_array): Likewise.
5283         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
5284         to namespace __detail.
5285         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
5286         members.
5287         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
5288         of data members in closure objects.
5289         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
5290         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
5291         __detail.
5292         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
5293         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
5294         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
5295         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
5296         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
5297         using-declarations to namespace std.
5298         * testsuite/26_numerics/valarray/83860.cc: New.
5299
5300         * testsuite/backward/strstream_move.cc: Remove duplicate function
5301         call.
5302
5303         PR libstdc++/69608
5304         * include/backward/strstream (strstreambuf): Define move constructor
5305         and move assignment operator.
5306         (istrstream, ostrstream, strstream): Likewise.
5307         * testsuite/backward/strstream_move.cc: New.
5308
5309 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
5310
5311         PR libstdc++/84654
5312         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
5313         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
5314         * configure: Regenerate.
5315         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
5316         based on ENABLE_FLOAT128.
5317         * include/Makefile.in: Regenerate.
5318         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
5319         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
5320         _GLIBCXX_USE_FLOAT128.
5321
5322 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
5323
5324         * configure: Regenerated.
5325
5326 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
5327
5328         * configure: Regenerated.
5329
5330 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
5331             Jakub Jelinek  <jakub@redhat.com>
5332
5333         PR libstdc++/85442
5334         * src/c++11/Makefile.am: Don't generate debuginfo again for
5335         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
5336         * src/c++11/Makefile.in: Regenerate.
5337
5338 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
5339
5340         PR libstdc++/84442
5341         * testsuite/30_threads/thread/cons/terminate.cc
5342         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
5343
5344 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
5345
5346         PR jit/85384
5347         * configure: Regenerate.
5348
5349 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
5350
5351         * testsuite/experimental/filesystem/file_status/1.cc: Add
5352         -DUSE_FILESYSTEM_TS to dg-options.
5353         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5354         Likewise.
5355         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
5356         * testsuite/experimental/filesystem/iterators/
5357         recursive_directory_iterator.cc: Likewise.
5358         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
5359         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5360         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5361         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
5362         * testsuite/experimental/filesystem/operations/create_directories.cc:
5363         Likewise.
5364         * testsuite/experimental/filesystem/operations/create_directory.cc:
5365         Likewise.
5366         * testsuite/experimental/filesystem/operations/create_symlink.cc:
5367         Likewise.
5368         * testsuite/experimental/filesystem/operations/current_path.cc:
5369         Likewise.
5370         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
5371         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5372         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
5373         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5374         * testsuite/experimental/filesystem/operations/last_write_time.cc:
5375         Likewise.
5376         * testsuite/experimental/filesystem/operations/permissions.cc:
5377         Likewise.
5378         * testsuite/experimental/filesystem/operations/read_symlink.cc:
5379         Likewise.
5380         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5381         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
5382         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
5383         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
5384         Likewise.
5385         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
5386         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
5387         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
5388         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
5389         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
5390         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
5391         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
5392         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
5393         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
5394         * testsuite/experimental/filesystem/path/construct/default.cc:
5395         Likewise.
5396         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
5397         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
5398         * testsuite/experimental/filesystem/path/construct/string_view.cc:
5399         Likewise.
5400         * testsuite/experimental/filesystem/path/decompose/extension.cc:
5401         Likewise.
5402         * testsuite/experimental/filesystem/path/decompose/filename.cc:
5403         Likewise.
5404         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
5405         Likewise.
5406         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
5407         Likewise.
5408         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
5409         Likewise.
5410         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
5411         Likewise.
5412         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
5413         Likewise.
5414         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
5415         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
5416         Likewise.
5417         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
5418         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
5419         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
5420         Likewise.
5421         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
5422         Likewise.
5423         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
5424         Likewise.
5425         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
5426         Likewise.
5427         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
5428         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
5429         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
5430         Likewise.
5431         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
5432         * testsuite/experimental/filesystem/path/query/has_extension.cc:
5433         Likewise.
5434         * testsuite/experimental/filesystem/path/query/has_filename.cc:
5435         Likewise.
5436         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
5437         Likewise.
5438         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
5439         Likewise.
5440         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
5441         Likewise.
5442         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
5443         Likewise.
5444         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
5445         Likewise.
5446         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
5447         * testsuite/experimental/filesystem/path/query/is_relative.cc:
5448         Likewise.
5449
5450 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
5451
5452         * src/c++11/Makefile.am: Fix sed command.
5453         * src/c++11/Makefile.in: Regenerate.
5454
5455         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
5456         handle mangled names starting with double underscores on darwin.
5457         * src/c++11/Makefile.in: Regenerate.
5458
5459 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
5460
5461         * src/c++11/Makefile.am: Fix comment.
5462         * src/c++11/Makefile.in: Regenerate.
5463         * src/c++11/cxx11-ios_failure.cc: Fix comment.
5464         * src/c++98/ios_failure.cc: Likewise.
5465
5466         * src/c++11/ios.cc: Remove redundant macro definition.
5467
5468 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
5469
5470         * doc/xml/manual/abi.xml: Document header locations in recent
5471         releases.
5472         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
5473         * doc/xml/manual/spine.xml: Update copyright years.
5474         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
5475         undefined behaviour.
5476         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
5477         * doc/html/*: Regenerate.
5478
5479 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
5480
5481         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
5482         * doc/xml/manual/backwards_compatibility.xml: Likewise.
5483         * doc/xml/manual/containers.xml: Likewise.
5484         * doc/xml/manual/debug_mode.xml: Likewise.
5485         * doc/xml/manual/extensions.xml: Likewise.
5486         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
5487         * doc/xml/manual/using.xml: Likewise.
5488         * doc/xml/manual/utilities.xml: Likewise.
5489
5490         PR libstdc++/85222
5491         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
5492         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
5493         * src/c++11/Makefile.in: Regenerate.
5494         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
5495         New types.
5496         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
5497         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
5498         * src/c++98/ios_failure.cc (__construct_ios_failure)
5499         (__destroy_ios_failure, is_ios_failure_handler): New functions.
5500         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
5501         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
5502         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
5503         handler types, to always catch std::ios_base::failure.
5504         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
5505         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
5506         exceptions_failbit.cc: Likewise.
5507         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
5508         exceptions_failbit.cc: Likewise.
5509         * testsuite/27_io/basic_istream/extractors_other/char/
5510         exceptions_null.cc: Likewise.
5511         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
5512         exceptions_null.cc: Likewise.
5513         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
5514         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
5515         * testsuite/27_io/basic_ostream/inserters_other/char/
5516         exceptions_null.cc: Likewise.
5517         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
5518         exceptions_null.cc: Likewise.
5519         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
5520
5521 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
5522
5523         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
5524         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
5525
5526 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
5527
5528         PR libstdc++/85183
5529         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
5530         value categories.
5531         * testsuite/20_util/variant/85183.cc: New.
5532
5533 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
5534
5535         * include/std/variant (__get): Qualify calls to avoid ADL.
5536         (__select_index): Adjust whitespace.
5537         (variant): Add using-declaration to workaround Clang bug.
5538
5539 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
5540
5541         PR libstdc++/85040
5542         * include/bits/stl_function.h (greater::__not_overloaded)
5543         (less::__not_overloaded, greater_equal::__not_overloaded)
5544         (less_equal::__not_overloaded): Fix ambiguous specializations.
5545         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
5546         tests for type with overloaded operators.
5547
5548 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5549
5550         PR libstdc++/77691
5551         * testsuite/experimental/memory_resource/resource_adaptor.cc:
5552         xfail execution on 32-bit Solaris/x86.
5553
5554 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
5555
5556         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
5557         VERIFY instead of assert.
5558         * testsuite/20_util/hash/84998.cc: New test.
5559         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
5560         copy of test adjusted for Debug Mode.
5561         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
5562         test in Debug Mode.
5563
5564 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
5565
5566         PR libstdc++/84998
5567         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
5568         * include/std/bitset: Likewise.
5569         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
5570         declaration.
5571         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
5572         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
5573         * include/bits/stl_set.h (std::set<>): Likewise.
5574         * include/bits/unordered_map.h (std::unordered_map<>): Fix
5575         _Hash_merge_helper friend declaration.
5576         (std::unordered_multimap<>): Likewise.
5577         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
5578         (std::unordered_multiset<>): Likewise.
5579
5580 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5581
5582         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
5583         trailing slash for domain level link.
5584         * doc/xml/faq.xml: Ditto.
5585         * doc/xml/manual/appendix_free.xml (software): Ditto.
5586         * doc/xml/manual/intro.xml: Ditto.
5587         * doc/xml/manual/spine.xml: Ditto.
5588         * doc/xml/spine.xml: Ditto.
5589
5590 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5591
5592         * doc/xml/manual/documentation_hacking.xml: Adjust link to
5593         docbook.org.
5594
5595 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
5596
5597         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
5598         to compile as C++98.
5599
5600 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
5601
5602         PR libstdc++/78420
5603         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
5604         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
5605         to ensure total order for pointers.
5606         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
5607         Add operator() overloads for pointer arguments and make generic
5608         overloads dispatch to new _S_cmp functions when comparisons would
5609         use built-in operators for pointers.
5610         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
5611
5612 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
5613
5614         PR libstdc++/84773
5615         PR libstdc++/83662
5616         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
5617         * configure: Regenerate.
5618         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
5619         (aligned_alloc): Add using-declaration.
5620         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
5621
5622 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
5623
5624         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
5625         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
5626         registration.
5627
5628 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
5629
5630         PR libstdc++/84769
5631         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
5632         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
5633
5634         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
5635         src/filesystem/std-ops.cc (create_dir): Likewise.
5636
5637 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
5638
5639         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
5640         (StdListIteratorPrinter): Inherit from latter.
5641         (StdFwdListIteratorPrinter): New, inherit from latter.
5642         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
5643         when iterator has no associated container.
5644         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
5645         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
5646         registrations.
5647         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
5648         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
5649
5650 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
5651
5652         PR libstdc++/84601
5653         * include/std/optional (_Optional_payload): Split into multiple
5654         specializations that can handle different cases of trivial or
5655         non-trivial assignment operators.
5656         * testsuite/20_util/optional/84601.cc: New.
5657         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5658
5659 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
5660
5661         PR libstdc++/84671
5662         * include/bits/parse_numbers.h (_Number_help): Add partial
5663         specialization to handle digit separators. Adjust partial
5664         specialization for recursion temrination to require _Pow == 1ULL.
5665         * testsuite/20_util/duration/literals/84671.cc: New
5666
5667 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
5668
5669         Implement the missing bits of LWG 2769
5670         * include/std/any (any_cast(const any&)): Add static_assert.
5671         (any_cast(any&)): Likewise.
5672         (any_cast(any&&)): Likewise, and remove the handling
5673         for copyable-but-not-movable type.
5674         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
5675         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
5676         add new tests.
5677
5678 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
5679
5680         PR libstdc++/84532
5681         * include/std/thread (thread::__make_invoker): Construct tuple
5682         directly instead of using make_tuple.
5683         * testsuite/30_threads/async/84532.cc: New.
5684         * testsuite/30_threads/thread/84532.cc: New.
5685
5686 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
5687
5688         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
5689         (template<> __aligned_buffer): Define as __aligned_membuf alias.
5690
5691 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
5692
5693         PR target/84148
5694         * configure: Regenerate.
5695
5696 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
5697
5698         PR libstdc++/81797
5699         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
5700         * configure: Regenerate.
5701         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
5702         defined.
5703         * include/Makefile.in: Regenerate.
5704
5705 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
5706
5707         PR libstdc++/83833
5708         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
5709         Add -ffloat-store to options for m68k and ia32.
5710
5711         * doc/xml/faq.xml: Update copyright years.
5712         * doc/html/*: Regenerate.
5713
5714         PR libstdc++/83658
5715         * include/std/any (any::__do_emplace): Only set _M_manager after
5716         constructing the contained object.
5717         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
5718         * testsuite/20_util/any/modifiers/83658.cc: New test.
5719
5720 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
5721
5722         PR libstdc++/81076
5723         * include/c_global/cstddef (__byte_operand): Define primary template.
5724         * testsuite/18_support/byte/81076.cc: New test.
5725
5726 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
5727
5728         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
5729         dg-options and dg-add-options order.
5730         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
5731         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
5732         Likewise.
5733         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
5734         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
5735         Likewise.
5736         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
5737         Likewise.
5738         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
5739         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
5740         Likewise.
5741         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
5742         Likewise.
5743         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
5744         Likewise.
5745         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
5746         Likewise.
5747         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
5748         Likewise.
5749         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
5750         Likewise.
5751         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
5752         Likewise.
5753         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
5754         Likewise.
5755         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
5756         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
5757         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
5758         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
5759         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
5760         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
5761         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
5762         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
5763         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
5764         Likewise.
5765         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
5766         Likewise.
5767         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
5768         Likewise.
5769         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
5770         Likewise.
5771
5772 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
5773
5774         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
5775         include linux/types.h when checking linux/random.h header.
5776         * config.h.in: Regenerate.
5777         * configure: Ditto.
5778         * src/c++11/random.cc: Conditionally include linux/types.h.
5779
5780 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
5781
5782         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
5783
5784 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
5785
5786         PR libstdc++/83834
5787         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
5788         pattern with exact match for std::cerr.
5789
5790 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5791
5792         PR libstdc++/83833
5793         * include/bits/random.h (chi_squared_distribution::param): Update
5794         gamma distribution parameter.
5795         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
5796         test.
5797
5798         PR libstdc++/83830
5799         * include/std/type_traits (has_unique_object_representations_v): Add
5800         variable template.
5801         * testsuite/20_util/has_unique_object_representations/value.cc: Check
5802         variable template.
5803
5804 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
5805
5806         Make optional conditionally
5807         trivially_{copy,move}_{constructible,assignable}
5808         * include/std/optional (_Optional_payload): Fix the comment in
5809         the class head and turn into a primary and one specialization.
5810         (_Optional_payload::_M_engaged): Strike the NSDMI.
5811         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
5812         New.
5813         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
5814         Likewise.
5815         (_Optional_payload<_Tp, false>::_M_get): Likewise.
5816         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
5817         (_Optional_base_impl): Likewise.
5818         (_Optional_base): Turn into a primary and three specializations.
5819         (optional(nullopt)): Change the base init.
5820         * testsuite/20_util/optional/assignment/8.cc: New.
5821         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
5822         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5823
5824 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5825
5826         PR libstdc++/80276
5827         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
5828         (get_template_arg_list): New.
5829         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
5830         instead.
5831         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
5832         of strings and regular expressions.
5833         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
5834         (FilteringTypePrinter): Add docstring. Match using startswith. Use
5835         strip_inline_namespaces instead of strip_versioned_namespace.
5836         (add_one_type_printer): Prepend namespace to match argument.
5837         (register_type_printers): Add type printers for char16_t and char32_t
5838         string types and for types using cxx11 ABI. Update calls to
5839         add_one_template_type_printer to provide default argument dicts.
5840         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
5841         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
5842         basic_string<unsigned char> and basic_string<signed char>.
5843         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
5844         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
5845
5846 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
5847
5848         PR libstdc++/81092
5849         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
5850
5851 2018-01-13  Tim Shen  <timshen@google.com>
5852
5853         PR libstdc++/83601
5854         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
5855         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
5856         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
5857
5858 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5859
5860         PR libstdc++/64054
5861         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
5862         Remove dg-xfail-run-if.
5863
5864 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
5865
5866         * include/bits/forward_list.h
5867         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
5868         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
5869         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
5870         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
5871         (_Fwd_list_impl()): Add noexcept qualification.
5872         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
5873         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
5874         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
5875         (_Fwd_list_base()): Default.
5876         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
5877         (_Fwd_list_base(_Fwd_list_base&&)): Default.
5878         (forward_list<>()): Default.
5879         (forward_list<>(forward_list&&)): Default.
5880         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
5881         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
5882         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
5883         * include/bits/forward_list.tcc
5884         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
5885         _M_impl._M_head move assignment.
5886         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
5887         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
5888
5889 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
5890
5891         PR libstdc++/80276
5892         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
5893         (UniquePointerPrinter): Print correct template argument, not type of
5894         the pointer.
5895         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
5896         a type.
5897         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
5898         array type.
5899         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
5900         weak_ptr of array types.
5901
5902 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
5903
5904         PR libstdc++/83709
5905         * include/bits/hashtable_policy.h
5906         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
5907         __first != __last.
5908         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
5909         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
5910         Add false_type parameter.
5911         (_Insert_base::insert): Adapt.
5912         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
5913         Adapt.
5914         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
5915          Add __n_elt parameter, defaulted to 1.
5916         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
5917         policy _M_need_rehash.
5918         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
5919         produce only 1 rehash if necessary.
5920         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
5921         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
5922
5923 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
5924             Jonathan Wakely  <jwakely@redhat.com>
5925
5926         PR libstdc++/59253 (partial)
5927         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
5928         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
5929         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
5930         children.
5931         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
5932         of unique_ptr printer.
5933         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
5934         output of shared_ptr printer.
5935
5936 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
5937
5938         PR libstdc++/83626
5939         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
5940         unnecessary symlink_status call.
5941         (remove_all(const path&, error_code&)): Use filesystem::remove.
5942         * src/filesystem/std-ops.cc: Likewise.
5943
5944         PR libstdc++/83279
5945         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
5946         sendfile.
5947
5948         PR libstdc++/83626
5949         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
5950         report an error for ENOENT.
5951         (remove_all(const path&)): Fix type of result variable.
5952         (remove_all(const path&, error_code&)): Use non-throwing increment
5953         for directory iterator. Call POSIX remove directly to avoid redundant
5954         calls to symlink_status. Do not report errors for ENOENT.
5955         * src/filesystem/std-ops.cc: Likewise.
5956         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
5957         overload.
5958         * testsuite/experimental/filesystem/operations/remove_all.cc:
5959         Likewise.
5960
5961 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
5962
5963         PR libstdc++/83626
5964         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
5965         redundant call to ec.clear().
5966         (remove_all(const path&, error_code&))): Do not return an error for
5967         non-existent paths.
5968         * src/filesystem/std-ops.cc: Likewise.
5969         * testsuite/27_io/filesystem/operations/remove.cc: New test.
5970         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
5971         results for non-existent paths.
5972         * testsuite/experimental/filesystem/operations/remove.cc: New test.
5973         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
5974         expected results for non-existent paths.
5975
5976         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
5977         check status_known once.
5978         * include/experimental/bits/fs_ops.h: Likewise.
5979
5980         PR libstdc++/83607
5981         * include/std/functional (__is_byte_like): New trait.
5982         (__is_std_equal_to): Remove.
5983         (__boyer_moore_base_t): Use __is_byte_like instead of
5984         __is_std_equal_to.
5985         * include/experimental/functional (__is_std_equal_to): Remove.
5986         (__boyer_moore_base_t): Use __is_byte_like instead of
5987         __is_std_equal_to.
5988         * testsuite/20_util/function_objects/83607.cc: New test.
5989
5990 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
5991
5992         Protect optional's deduction guide with the feature macro
5993         * include/std/optional: Use the feature macro.
5994
5995 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
5996
5997         Update copyright years.
5998 \f
5999 Copyright (C) 2018 Free Software Foundation, Inc.
6000
6001 Copying and distribution of this file, with or without modification,
6002 are permitted in any medium without royalty provided the copyright
6003 notice and this notice are preserved.