libstdc++-v3/ChangeLog

   1 2018-12-12  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         PR libstdc++/80762
   4         * include/bits/fs_path.h (path::_Path): Use remove_cv_t and is_void.
   5         * include/experimental/bits/fs_path.h (path::_Path): Likewise.
   6         * testsuite/27_io/filesystem/path/construct/80762.cc: New test.
   7         * testsuite/experimental/filesystem/path/construct/80762.cc: New test.
   8
   9 2018-12-12  Jakub Jelinek  <jakub@redhat.com>
  10
  11         P0595R2 - is_constant_evaluated
  12         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED):
  13         Define if __builtin_is_constant_evaluated is available.
  14         * include/std/type_traits (std::is_constant_evaluated): New constexpr
  15         inline function.
  16         * testsuite/20_util/is_constant_evaluated/1.cc: New test.
  17         * testsuite/20_util/is_constant_evaluated/noexcept.cc: New test.
  18
  19 2018-12-10  Gerald Pfeifer  <gerald@pfeifer.com>
  20
  21         * doc/xml/manual/documentation_hacking.xml: Update reference
  22         to epubcheck.
  23
  24 2018-12-10  Jonathan Wakely  <jwakely@redhat.com>
  25
  26         * testsuite/experimental/filesystem/path/query/is_absolute.cc: Fix
  27         test to use TS, not C++17.
  28
  29 2018-12-06  Iain Sandoe  <iain@sandoe.co.uk>
  30
  31         * scripts/make_exports.pl (check names): Don’t try to export
  32         construction vtable symbols.
  33
  34 2018-12-06  Jonathan Wakely  <jwakely@redhat.com>
  35             Iain Sandoe  <iain@sandoe.co.uk>
  36
  37         PR libstdc++/64883
  38         * testsuite/17_intro/headers/c++1998/all_attributes.cc: Don't test
  39         always_inline on Darwin.
  40         * testsuite/17_intro/headers/c++2011/all_attributes.cc: Likewise.
  41         * testsuite/17_intro/headers/c++2014/all_attributes.cc: Likewise.
  42         * testsuite/17_intro/headers/c++2017/all_attributes.cc: Likewise.
  43         * testsuite/17_intro/headers/c++2020/all_attributes.cc: Likewise.
  44
  45 2018-12-03  Edward Smith-Rowland  <3dw4rd@verizon.net>
  46
  47         PR libstdc++/88341 - Complex norm doesn't compile with C++11
  48         * include/std/complex (_S_do_it): Make C++20 constexpr.
  49         * testsuite/26_numerics/complex/value_operations/pr88341.cc: New test.
  50
  51 2018-11-30  Edward Smith-Rowland  <3dw4rd@verizon.net>
  52
  53         Implement P0457R2 String Prefix and Suffix Checking.
  54         * include/bits/basic_string.h: Add starts_with, ends_with members.
  55         * include/std/string_view: Ditto.
  56         * testsuite/21_strings/basic_string/operations/starts_with/
  57         char/1.cc: New test.
  58         * testsuite/21_strings/basic_string/operations/starts_with/
  59         wchar_t/1.cc: New test.
  60         * testsuite/21_strings/basic_string/operations/ends_with/
  61         char/1.cc: New test.
  62         * testsuite/21_strings/basic_string/operations/ends_with/
  63         wchar_t/1.cc: New test.
  64         * testsuite/21_strings/basic_string_view/operations/starts_with/
  65         char/1.cc: New test.
  66         * testsuite/21_strings/basic_string_view/operations/starts_with/
  67         wchar_t/1.cc: New test.
  68         * testsuite/21_strings/basic_string_view/operations/ends_with/
  69         char/1.cc: New test.
  70         * testsuite/21_strings/basic_string_view/operations/ends_with/
  71         wchar_t/1.cc: New test.
  72
  73 2018-11-30  Edward Smith-Rowland  <3dw4rd@verizon.net>
  74
  75         Pre-emptively support P0646R1 for std container erasure.
  76         * include/bits/erase_if.h: Accumulate and return number of erased nodes.
  77         * include/std/forward_list (): Return number of erased items.
  78         * include/std/list (): Ditto.
  79         * include/std/map (): Ditto.
  80         * include/std/set (): Ditto.
  81         * include/std/string (): Ditto.
  82         * include/std/unordered_map (): Ditto.
  83         * include/std/unordered_set (): Ditto.
  84         * include/std/vector (): Ditto.
  85         * include/std/deque (): Ditto.
  86         * testsuite/21_strings/basic_string/erasure.cc: Test number of erasures.
  87         * testsuite/23_containers/deque/erasure.cc: Ditto.
  88         * testsuite/23_containers/forward_list/erasure.cc: Ditto.
  89         * testsuite/23_containers/list/erasure.cc: Ditto.
  90         * testsuite/23_containers/map/erasure.cc: Ditto.
  91         * testsuite/23_containers/set/erasure.cc: Ditto.
  92         * testsuite/23_containers/unordered_map/erasure.cc: Ditto.
  93         * testsuite/23_containers/unordered_set/erasure.cc: Ditto.
  94         * testsuite/23_containers/vector/erasure.cc: Ditto.
  95
  96 2018-11-29  Edward Smith-Rowland  <3dw4rd@verizon.net>
  97
  98         Only include bits/stl_algo.h for C++20.
  99         * include/std/deque: Only include bits/stl_algo.h for C++20.
 100         * include/std/string: Ditto.
 101         * include/std/vector: Ditto.
 102
 103 2018-11-29  Edward Smith-Rowland  <3dw4rd@verizon.net>
 104
 105         Fix erasure goofs.
 106         * include/experimental/deque: Make inline.
 107         * include/std/deque: Include bits/stl_algo.h.
 108         (erase, erase_if): Make inline.
 109         * include/std/string: Include bits/stl_algo.h.
 110         * include/std/unordered_set: Add erase, erase_if!
 111         * include/std/vector: Include bits/stl_algo.h.
 112         * testsuite/21_strings/basic_string/erasure.cc:
 113         Add { dg-options "-std=gnu++2a" }.
 114         * testsuite/23_containers/deque/erasure.cc: Ditto.
 115         * testsuite/23_containers/forward_list/erasure.cc: Ditto.
 116         * testsuite/23_containers/list/erasure.cc: Ditto.
 117         * testsuite/23_containers/map/erasure.cc: Ditto.
 118         * testsuite/23_containers/set/erasure.cc: Ditto.
 119         * testsuite/23_containers/unordered_map/erasure.cc: Ditto.
 120         * testsuite/23_containers/unordered_set/erasure.cc: Ditto.
 121         * testsuite/23_containers/vector/erasure.cc: Ditto.
 122
 123 2018-11-29  Jonathan Wakely  <jwakely@redhat.com>
 124
 125         PR libstdc++/88119
 126         * include/ext/aligned_buffer.h (__aligned_membuf): Add comment.
 127         (__aligned_buffer): Use __alignof__ instead of std::alignment_of.
 128         * include/std/type_traits (alignment_of): Use alignof instead of
 129         __alignof__.
 130         * testsuite/20_util/alignment_of/value.cc: Fix test to check values
 131         match alignof not __alignof__, as required by the standard.
 132
 133         PR libstdc++/86910
 134         PR libstdc++/87846
 135         * src/filesystem/ops.cc (experimental::create_directories): Report
 136         an error when the path resolves to an existing non-directory (P1164).
 137         * src/filesystem/std-ops.cc (create_directories): Likewise. Handle
 138         empty filenames due to trailing slashes.
 139         * testsuite/27_io/filesystem/operations/create_directories.cc: Test
 140         when some component of the path exists and is not a directory. Test
 141         trailing slashes.
 142         * testsuite/experimental/filesystem/operations/create_directories.cc:
 143         Likewise.
 144
 145 2018-11-28  Jonathan Wakely  <jwakely@redhat.com>
 146
 147         PR libstdc++/83306
 148         * src/filesystem/path.cc (filesystem_error::_M_gen_what()): Create
 149         string directly, instead of calling fs_err_concat.
 150
 151         PR libstdc++/83511
 152         * include/std/string_view (basic_string_view::substr): Add default
 153         argument to first parameter.
 154         * include/experimental/string_view (basic_string_view::substr):
 155         Likewise.
 156         * testsuite/21_strings/basic_string_view/operations/substr/char/
 157         83511.cc: New test.
 158         * testsuite/21_strings/basic_string_view/operations/substr/wchar_t/
 159         83511.cc: New test.
 160         * testsuite/experimental/string_view/operations/substr/char/83511.cc:
 161         New test.
 162         * testsuite/experimental/string_view/operations/substr/wchar_t/83511.cc:
 163         New test.
 164
 165 2018-11-28  Edward Smith-Rowland  <3dw4rd@verizon.net>
 166
 167         Implement uniform container erasure for C++20.
 168         * include/Makefile.am: Move erase_if.h.
 169         * include/Makefile.in: Move erase_if.h.
 170         * include/experimental/bits/erase_if.h: Move ...
 171         * include/bits/erase_if.h: ... here.
 172         * include/experimental/map: Move erase_if.h.
 173         * include/experimental/set: Move erase_if.h.
 174         * include/experimental/unordered_map: Move erase_if.h.
 175         * include/experimental/unordered_set: Move erase_if.h.
 176         * include/std/deque (erase_if, erase): New functions.
 177         * include/std/forward_list: Ditto.
 178         * include/std/list: Ditto.
 179         * include/std/map: Ditto.
 180         * include/std/set: Ditto.
 181         * include/std/string: Ditto.
 182         * include/std/unordered_map: Ditto.
 183         * include/std/unordered_set: Ditto.
 184         * include/std/vector: Ditto.
 185         * testsuite/21_strings/basic_string/erasure.cc: New test.
 186         * testsuite/23_containers/deque/erasure.cc: New test.
 187         * testsuite/23_containers/forward_list/erasure.cc: New test.
 188         * testsuite/23_containers/list/erasure.cc: New test.
 189         * testsuite/23_containers/map/erasure.cc: New test.
 190         * testsuite/23_containers/set/erasure.cc: New test.
 191         * testsuite/23_containers/unordered_map/erasure.cc: New test.
 192         * testsuite/23_containers/unordered_set/erasure.cc: New test.
 193         * testsuite/23_containers/vector/erasure.cc: New test.
 194
 195 2018-11-28  Jonathan Wakely  <jwakely@redhat.com>
 196
 197         * doc/xml/manual/intro.xml: Document LWG 3096 change.
 198         * src/filesystem/std-path.cc (path::lexically_relative(const path&)):
 199         Treat a final empty element equivalently to a final dot element.
 200         * testsuite/27_io/filesystem/path/generation/relative.cc: Add checks
 201         for the examples in the DR.
 202
 203         PR libstdc++/83306
 204         * include/bits/fs_path.h (filesystem_error): Move data members into
 205         pimpl class owned by shared_ptr. Remove inline definitions of member
 206         functions.
 207         * src/filesystem/std-path.cc (filesystem_error::_Impl): Define.
 208         (filesystem_error): Define member functions.
 209         * testsuite/27_io/filesystem/filesystem_error/cons.cc: New test.
 210         * testsuite/27_io/filesystem/filesystem_error/copy.cc: New test.
 211
 212         * doc/xml/manual/status_cxx2017.xml: Update C++17 status.
 213         * doc/html/*: Regenerate.
 214
 215 2018-11-27  Jonathan Wakely  <jwakely@redhat.com>
 216
 217         * testsuite/27_io/filesystem/operations/canonical.cc: Remove
 218         directory created by test.
 219         * testsuite/27_io/filesystem/operations/symlink_status.cc: Remove
 220         symlink created by test.
 221
 222         PR libstdc++/67843
 223         * acinclude.m4 (GLIBCXX_ENABLE_LOCK_POLICY): Add new macro
 224         that defines _GLIBCXX_HAVE_ATOMIC_LOCK_POLICY.
 225         * config.h.in: Regenerate.
 226         * configure: Regenerate.
 227         * configure.ac: Use GLIBCXX_ENABLE_LOCK_POLICY.
 228         * doc/xml/manual/configure.xml: Document new configure option.
 229         * include/bits/fs_dir.h (directory_iterator): Use __shared_ptr
 230         instead of shared_ptr.
 231         (recursive_directory_iterator): Likewise.
 232         (__shared_ptr<_Dir>): Add explicit instantiation declaration.
 233         (__shared_ptr<recursive_directory_iterator::_Dir_stack>): Likewise.
 234         * include/bits/shared_ptr_base.h (__allocate_shared, __make_shared):
 235         Add default template argument for _Lock_policy template parameter.
 236         * include/ext/concurrence.h (__default_lock_policy): Check macro
 237         _GLIBCXX_HAVE_ATOMIC_LOCK_POLICY instead of checking if the current
 238         target supports the builtins for compare-and-swap.
 239         * src/filesystem/std-dir.cc (__shared_ptr<_Dir>): Add explicit
 240         instantiation definition.
 241         (__shared_ptr<recursive_directory_iterator::_Dir_stack>): Likewise.
 242         (directory_iterator, recursive_directory_iterator): Use __make_shared
 243         instead of make_shared.
 244
 245 2018-11-27  François Dumont  <fdumont@gcc.gnu.org>
 246
 247         PR libstdc++/88199
 248         * include/bits/hashtable.h (_Hashtable<>::_M_assign_elements): New.
 249         (_Hashtable<>::operator=(const _Hashtable&)): Use latter.
 250         (_Hashtable<>::_M_move_assign(_Hashtable&&, false_type)): Likewise.
 251         * testsuite/23_containers/unordered_set/allocator/move_assign.cc
 252         (test03): New.
 253
 254 2018-11-26  Jonathan Wakely  <jwakely@redhat.com>
 255
 256         * testsuite/26_numerics/complex/requirements/more_constexpr.cc: Fix
 257         failure on targets without __float128.
 258
 259 2018-11-23  Edward Smith-Rowland  <3dw4rd@verizon.net>
 260
 261         Implement P0415 More constexpr for std::complex.
 262         * include/std/complex (conj(complex<Tp>), norm(complex<Tp>)): Constexpr;
 263         (real(Tp), imag(Tp)): Constexpr;
 264         (operator@=(Tp), operator@=(complex<Tp>)): Constexpr;
 265         (operator@(Tp,complex<Tp>), operator@(complex<Tp>,Tp)
 266         operator@(complex<Tp>,complex<Tp>)): Constexpr.
 267         * testsuite/26_numerics/complex/comparison_operators/
 268         more_constexpr.cc: New test.
 269         * testsuite/26_numerics/complex/operators/more_constexpr.cc: New test.
 270         * testsuite/26_numerics/complex/requirements/
 271         more_constexpr.cc: New test.
 272         * testsuite/26_numerics/complex/value_operations/
 273         more_constexpr.cc: New test.
 274         * testsuite/26_numerics/headers/complex/synopsis.cc:
 275         Add _GLIBCXX20_CONSTEXPR to applicable operators; Add missing proj().
 276         * testsuite/26_numerics/headers/complex/synopsis.cc:
 277         Add _GLIBCXX20_CONSTEXPR to relevant decls.
 278
 279 2018-11-23  Martin Sebor  <msebor@redhat.com>
 280             Jonathan Wakely  <jwakely@redhat.com>
 281
 282         PR libstdc++/65229
 283         * python/libstdcxx/v6/printers.py (StdBitsetPrinter): Handle
 284         exception thrown for std::bitset<0>.
 285         * testsuite/libstdc++-prettyprinters/simple.cc: Test std::bitset<0>.
 286
 287 2018-11-23  Jonathan Wakely  <jwakely@redhat.com>
 288
 289         PR libstdc++/87308 (partial)
 290         * python/libstdcxx/v6/printers.py (StdExpAnyPrinter): Adjust regex to
 291         work around PR 88166.
 292         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test std::any
 293         containing a local type.
 294
 295 2018-11-22  Marc Glisse  <marc.glisse@inria.fr>
 296
 297         PR libstdc++/87106
 298         * include/bits/stl_algobase.h: Include <type_traits>.
 299         (__niter_base): Add noexcept specification.
 300         * include/bits/stl_deque.h: Include <bits/stl_uninitialized.h>.
 301         (__is_trivially_relocatable): Specialize for deque.
 302         * include/bits/stl_iterator.h: Include <type_traits>.
 303         (__niter_base): Add noexcept specification.
 304         * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
 305         Add parameter for meta-programming.
 306         (__relocate_a_1, __relocate_a): Add noexcept specification.
 307         * include/bits/stl_vector.h (__use_relocate): Test __relocate_a.
 308
 309 2018-11-22  Jonathan Wakely  <jwakely@redhat.com>
 310
 311         PR libstdc++/85930
 312         PR libstdc++/87520
 313         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti)
 314         [__cpp_rtti]: Define even when RTTI is enabled. Use array of
 315         sizeof(type_info) so that type-punned reference binds to an object
 316         of the correct size as well as correct alignment.
 317         (_Sp_counted_ptr_inplace::_M_get_deleter) [__cpp_rtti]: Check for
 318         _S_ti() reference even when RTTI is enabled.
 319         (__shared_ptr(_Sp_make_shared_tag, const _Alloc&, _Args&&...))
 320         [__cpp_rtti]: Pass _S_ti() instead of typeid(_Sp_make_shared_tag).
 321
 322 2018-11-21  Jakub Jelinek  <jakub@redhat.com>
 323
 324         PR c++/87386
 325         * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust expected
 326         line.
 327         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
 328         * testsuite/20_util/uses_allocator/69293_neg.cc: Likewise.
 329         * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
 330         * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
 331         * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
 332         * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
 333
 334 2018-11-21  Jonathan Wakely  <jwakely@redhat.com>
 335
 336         PR libstdc++/88111
 337         * include/std/memory_resource (pool_options): Add Doxygen comments.
 338         * src/c++17/memory_resource.cc (pool_sizes): Only use suitable values
 339         on targets with 16-bit or 20-bit size_t type.
 340         (munge_options): Make default values depend on width of size_t type.
 341
 342         PR libstdc++/88113
 343         * src/c++17/memory_resource.cc (bitset::size_type): Use the smaller
 344         of uint32_t and size_t.
 345         (bitset::size(), bitset::free(), bitset::update_next_word())
 346         (bitset::max_blocks_per_chunk(), bitset::max_word_index()): Use
 347         size_type consistently instead of size_t.
 348         (chunk): Adjust static_assert checking sizeof(chunk).
 349
 350 2018-11-20  Ville Voutilainen  <ville.voutilainen@gmail.com>
 351
 352         Housekeeping for the effective targets of optional's tests.
 353         * testsuite/20_util/optional/77288.cc: Adjust.
 354         * testsuite/20_util/optional/84601.cc: Likewise.
 355         * testsuite/20_util/optional/assignment/1.cc: Likewise.
 356         * testsuite/20_util/optional/assignment/2.cc: Likewise.
 357         * testsuite/20_util/optional/assignment/3.cc: Likewise.
 358         * testsuite/20_util/optional/assignment/4.cc: Likewise.
 359         * testsuite/20_util/optional/assignment/5.cc: Likewise.
 360         * testsuite/20_util/optional/assignment/6.cc: Likewise.
 361         * testsuite/20_util/optional/assignment/7.cc: Likewise.
 362         * testsuite/20_util/optional/assignment/8.cc: Likewise.
 363         * testsuite/20_util/optional/cons/77727.cc: Likewise.
 364         * testsuite/20_util/optional/cons/copy.cc: Likewise.
 365         * testsuite/20_util/optional/cons/deduction.cc: Likewise.
 366         * testsuite/20_util/optional/cons/default.cc: Likewise.
 367         * testsuite/20_util/optional/cons/move.cc: Likewise.
 368         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
 369         * testsuite/20_util/optional/cons/value.cc: Likewise.
 370         * testsuite/20_util/optional/cons/value_neg.cc: Likewise.
 371         * testsuite/20_util/optional/constexpr/cons/default.cc: Likewise.
 372         * testsuite/20_util/optional/constexpr/cons/value.cc: Likewise.
 373         * testsuite/20_util/optional/constexpr/in_place.cc: Likewise.
 374         * testsuite/20_util/optional/constexpr/nullopt.cc: Likewise.
 375         * testsuite/20_util/optional/constexpr/observers/1.cc: Likewise.
 376         * testsuite/20_util/optional/constexpr/observers/4.cc: Likewise.
 377         * testsuite/20_util/optional/constexpr/observers/5.cc: Likewise.
 378         * testsuite/20_util/optional/constexpr/relops/1.cc: Likewise.
 379         * testsuite/20_util/optional/constexpr/relops/2.cc: Likewise.
 380         * testsuite/20_util/optional/constexpr/relops/3.cc: Likewise.
 381         * testsuite/20_util/optional/constexpr/relops/4.cc: Likewise.
 382         * testsuite/20_util/optional/constexpr/relops/5.cc: Likewise.
 383         * testsuite/20_util/optional/constexpr/relops/6.cc: Likewise.
 384         * testsuite/20_util/optional/in_place.cc: Likewise.
 385         * testsuite/20_util/optional/make_optional.cc: Likewise.
 386         * testsuite/20_util/optional/nullopt.cc: Likewise.
 387         * testsuite/20_util/optional/observers/1.cc: Likewise.
 388         * testsuite/20_util/optional/observers/2.cc: Likewise.
 389         * testsuite/20_util/optional/observers/3.cc: Likewise.
 390         * testsuite/20_util/optional/observers/4.cc: Likewise.
 391         * testsuite/20_util/optional/observers/5.cc: Likewise.
 392         * testsuite/20_util/optional/observers/6.cc: Likewise.
 393         * testsuite/20_util/optional/relops/1.cc: Likewise.
 394         * testsuite/20_util/optional/relops/2.cc: Likewise.
 395         * testsuite/20_util/optional/relops/3.cc: Likewise.
 396         * testsuite/20_util/optional/relops/4.cc: Likewise.
 397         * testsuite/20_util/optional/relops/5.cc: Likewise.
 398         * testsuite/20_util/optional/relops/6.cc: Likewise.
 399         * testsuite/20_util/optional/relops/7.cc: Likewise.
 400         * testsuite/20_util/optional/requirements.cc: Likewise.
 401         * testsuite/20_util/optional/swap/1.cc: Likewise.
 402         * testsuite/20_util/optional/swap/2.cc: Likewise.
 403         * testsuite/20_util/optional/typedefs.cc: Likewise.
 404
 405 2018-11-19  François Dumont  <fdumont@gcc.gnu.org>
 406
 407         * include/ext/throw_allocator.h
 408         (annotate_base::insert(void*, size_t)): Use insert result to check for
 409         double insert attempt.
 410         (annotate_base::insert_construct(void*)): Likewise.
 411         (annotate_base::check_allocated(void*, size_t)): Return found iterator.
 412         (annotate_base::erase(void*, size_t)): Use latter method returned
 413         iterator.
 414         (annotate_base::check_constructed(void*, size_t)): Return found iterator.
 415         (annotate_base::erase_construct(void*)): Use latter method returned
 416         iterator.
 417
 418 2018-11-19  Ville Voutilainen  <ville.voutilainen@gmail.com>
 419
 420         PR libstdc++/87855
 421         Also implement P0602R4 (variant and optional
 422         should propagate copy/move triviality) for std::optional.
 423         * include/std/optional (_Optional_payload): Change
 424         the main constraints to check constructibility in
 425         addition to assignability.
 426         (operator=): Make constexpr.
 427         (_M_reset): Likewise.
 428         (_M_construct): Likewise.
 429         (operator->): Likewise.
 430         * testsuite/20_util/optional/assignment/8.cc: Adjust.
 431         * testsuite/20_util/optional/assignment/9.cc: New.
 432
 433 2018-11-19  Jonathan Wakely  <jwakely@redhat.com>
 434
 435         PR libstdc++/88084 - Implement LWG 2777
 436         * include/std/string_view (basic_string_view::copy): Use traits to
 437         copy.
 438         * testsuite/21_strings/basic_string_view/operations/copy/char/2.cc:
 439         New test.
 440         * testsuite/21_strings/basic_string_view/operations/copy/wchar_t/2.cc:
 441         New test.
 442
 443 2018-11-18  Michele Pezzutti <mpezz@tiscali.it>
 444             Edward Smith-Rowland  <3dw4rd@verizon.net>
 445
 446         PR libstdc++/83566 - cyl_bessel_j returns wrong result for x>1000
 447         for high orders.
 448         * include/tr1/bessel_function.tcc: Perform no fewer than nu/2 iterations
 449         of the asymptotic series (nu is the Bessel order).
 450         * testsuite/tr1/5_numerical_facilities/special_functions/
 451         09_cyl_bessel_j/check_value.cc: Add tests at nu=100, 1000<=x<=2000.
 452         * testsuite/tr1/5_numerical_facilities/special_functions/
 453         11_cyl_neumann/check_value.cc: Ditto.
 454         * testsuite/special_functions/08_cyl_bessel_j/check_value.cc: Ditto.
 455         * testsuite/special_functions/10_cyl_neumann/check_value.cc: Ditto.
 456
 457 2018-11-17  Jonathan Wakely  <jwakely@redhat.com>
 458
 459         Implement std::pmr::synchronized_pool_resource
 460         * config/abi/pre/gnu.ver: Add new symbols.
 461         * include/std/memory_resource [_GLIBCXX_HAS_GTHREADS]
 462         (__cpp_lib_memory_resource): Define to expected value, 201603.
 463         (synchronized_pool_resource): New class.
 464         [!_GLIBCXX_HAS_GTHREADS] (__cpp_lib_memory_resource): Define to 1.
 465         * include/std/shared_mutex (__glibcxx_rwlock_rdlock)
 466         (__glibcxx_rwlock_tryrdlock, __glibcxx_rwlock_wrlock)
 467         (__glibcxx_rwlock_trywrlock, __glibcxx_rwlock_unlock)
 468         (__glibcxx_rwlock_destroy, __glibcxx_rwlock_init)
 469         (__glibcxx_rwlock_timedrdlock, __glibcxx_rwlock_timedwrlock): Define
 470         weak symbols for POSIX rwlock functions.
 471         (__shared_mutex_pthread): Use weak symbols.
 472         * include/std/version (__cpp_lib_memory_resource): Define.
 473         * src/c++17/memory_resource.cc [_GLIBCXX_HAS_GTHREADS]
 474         (synchronized_pool_resource::_TPools): New class.
 475         (destroy_TPools): New function for pthread_key_create destructor.
 476         (synchronized_pool_resource::synchronized_pool_resource)
 477         (synchronized_pool_resource::~synchronized_pool_resource)
 478         (synchronized_pool_resource::release)
 479         (synchronized_pool_resource::do_allocate)
 480         (synchronized_pool_resource::do_deallocate): Define public members.
 481         (synchronized_pool_resource::_M_thread_specific_pools)
 482         (synchronized_pool_resource::_M_alloc_tpools)
 483         (synchronized_pool_resource::_M_alloc_shared_tpools): Define private
 484         members.
 485         * testsuite/20_util/synchronized_pool_resource/allocate.cc: New test.
 486         * testsuite/20_util/synchronized_pool_resource/cons.cc: New test.
 487         * testsuite/20_util/synchronized_pool_resource/is_equal.cc: New test.
 488         * testsuite/20_util/synchronized_pool_resource/multithreaded.cc: New
 489         test.
 490         * testsuite/20_util/synchronized_pool_resource/release.cc: New test.
 491         * testsuite/performance/20_util/memory_resource/pools.cc: Add
 492         multithreaded tests using pmr::synchronized_pool_resource.
 493
 494 2018-11-16  Renlin Li  <renlin.li@arm.com>
 495             Tejas Belagod  <tejas.belagod@arm.com>
 496
 497         testsuite/lib/libstdc++.exp (check_v3_target_prop_cached): New proc.
 498         (check_v3_target): Use the check_v3_target_prop_cached.
 499
 500 2018-11-15  Jonathan Wakely  <jwakely@redhat.com>
 501
 502         * scripts/check_performance: Allow tests to choose a -std flag.
 503         * src/c++17/memory_resource.cc (bitset::get_first_unset()): Use local
 504         variables of the right types. Call update_next_word() unconditionally.
 505         * testsuite/20_util/unsynchronized_pool_resource/cons.cc: New test.
 506         * testsuite/performance/20_util/memory_resource/pools.cc: New test.
 507         * testsuite/util/testsuite_performance.h (time_counter): Allow
 508         timer to be restarted.
 509
 510         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: Fix
 511         test for 32-bit targets. Test additional allocation sizes.
 512
 513 2018-11-14  Jonathan Wakely  <jwakely@redhat.com>
 514
 515         * scripts/create_testsuite_files: Add special_functions to the list
 516         of directories to search. Add comment referring to conformance.exp.
 517         * testsuite/libstdc++-dg/conformance.exp: Add comment referring
 518         to create_testsuite_files.
 519
 520 2018-11-13  Jonathan Wakely  <jwakely@redhat.com>
 521
 522         * src/c++17/memory_resource.cc (select_num_pools): Fix off-by-one
 523         error when block_size is equal to one of the values in the array.
 524
 525         * src/c++17/memory_resource.cc (_Pool::deallocate): Restore
 526         attributes to parameters that are only used in assertions.
 527
 528         * src/c++17/memory_resource.cc (bitset::find_first_unset()): Remove
 529         unused function.
 530         (bitset::get_first_unset()): Remove loop, if there's are unset bits
 531         then _M_next_word refers to the first one and there's no need to loop.
 532         (_Pool::_Pool(size_t, size_t), _Pool::block_size()): Remove dead code.
 533
 534         * src/c++17/memory_resource.cc (munge_options): Round up value of
 535         largest_required_pool_block to multiple of smallest pool size. Round
 536         excessively large values down to largest pool size.
 537         (select_num_pools): Increase number of pools by one unless it exactly
 538         matches requested largest_required_pool_block.
 539         (__pool_resource::_M_alloc_pools()): Make largest pool size equal
 540         largest_required_pool_block.
 541         * testsuite/20_util/unsynchronized_pool_resource/options.cc: Check
 542         that pool_options::largest_required_pool_block is set appropriately.
 543
 544         * src/c++17/memory_resource.cc (big_block): Improve comments.
 545         (big_block::all_ones): Remove.
 546         (big_block::big_block(size_t, size_t)): Use alloc_size.
 547         (big_block::size()): Add comment, replace all_ones with equivalent
 548         expression.
 549         (big_block::align()): Shift value of correct type.
 550         (big_block::alloc_size(size_t)): New function to round up size.
 551         (__pool_resource::allocate(size_t, size_t)): Add comment.
 552         (__pool_resource::deallocate(void*, size_t, size_t)): Likewise. Fix
 553         incorrect assertion by using big_block::alloc_size(size_t).
 554         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: Add
 555         more tests for unpooled allocations.
 556
 557         * src/c++17/memory_resource.cc (bitset::full()): Handle edge case
 558         for _M_next_word maximum value.
 559         (bitset::get_first_unset(), bitset::set(size_type)): Use
 560         update_next_word() to update _M_next_word.
 561         (bitset::update_next_word()): New function, avoiding wraparound of
 562         unsigned _M_next_word member.
 563         (bitset::max_word_index()): New function.
 564         (chunk::chunk(void*, uint32_t, void*, size_t)): Add assertion.
 565         (chunk::max_bytes_per_chunk()): New function.
 566         (pool::replenish(memory_resource*, const pool_options&)): Prevent
 567         _M_blocks_per_chunk from exceeding max_blocks_per_chunk or from
 568         causing chunk::max_bytes_per_chunk() to be exceeded.
 569         * testsuite/20_util/unsynchronized_pool_resource/allocate-max-chunks.cc:
 570         New test.
 571
 572 2018-11-12  Jason Merrill  <jason@redhat.com>
 573
 574         * libsupc++/new (std::destroying_delete_t): New.
 575
 576 2018-11-12  Jonathan Wakely  <jwakely@redhat.com>
 577
 578         PR libstdc++/87963
 579         * src/c++17/memory_resource.cc (chunk::_M_bytes): Change type from
 580         unsigned to uint32_t.
 581         (chunk): Fix static assertion for 64-bit targets that aren't LP64.
 582         (bigblock::all_ones): Fix undefined shift.
 583
 584 2018-11-11  Hans-Peter Nilsson  <hp@axis.com>
 585
 586         PR libstdc++-v3/54005
 587         * include/bits/atomic_base.h (__atomic_base<_TTp>::is_lock_free(),
 588         __atomic_base<_PTp*>::is_lock_free()): Call __atomic_is_lock_free
 589         with the type-derived _S_alignment instead of __alignof the object.
 590         * include/std/atomic (atomic<T>::is_lock_free()): Likewise.
 591
 592 2018-11-11  Jonathan Wakely  <jwakely@redhat.com>
 593
 594         Implement P0318R1 unwrap_ref_decay and unwrap_reference
 595         * include/std/type_traits (unwrap_reference, unwrap_reference_t)
 596         (unwrap_ref_decay, unwrap_ref_decay_t): New traits and aliases.
 597         * testsuite/20_util/unwrap_reference/1.cc: New test.
 598         * testsuite/20_util/unwrap_reference/2.cc: New test.
 599
 600         Implement P1007R3 std::assume_aligned
 601         * include/std/memory (assume_aligned): Implement for C++17.
 602         * testsuite/20_util/assume_aligned/1.cc: New test.
 603         * testsuite/20_util/assume_aligned/2_neg.cc: New test.
 604         * testsuite/20_util/assume_aligned/3.cc: New test.
 605
 606 2018-11-09  Jonathan Wakely  <jwakely@redhat.com>
 607
 608         PR libstdc++/87787
 609         * include/bits/stl_uninitialized.h (__relocate_a_1): Do not call
 610         memmove when there's nothing to copy (and pointers could be null).
 611
 612 2018-11-07  Hafiz Abid Qadeer  <abidh@codesourcery.com>
 613
 614         * configure: Regenerated.
 615
 616 2018-11-07  Jonathan Wakely  <jwakely@redhat.com>
 617
 618         * config/abi/pre/gnu.ver: Fix patterns for size_t parameters.
 619
 620 2018-11-06  Jonathan Wakely  <jwakely@redhat.com>
 621
 622         Implement std::pmr::unsynchronized_pool_resource
 623         * config/abi/pre/gnu.ver: Add new symbols.
 624         * include/std/memory_resource (std::pmr::__pool_resource): New class.
 625         (std::pmr::unsynchronized_pool_resource): New class.
 626         * src/c++17/Makefile.am: Add -fimplicit-templates to flags for
 627         memory_resource.cc
 628         * src/c++17/Makefile.in: Regenerate.
 629         * src/c++17/memory_resource.cc (bitset, chunk, big_block): New
 630         internal classes.
 631         (__pool_resource::_Pool): Define new class.
 632         (munge_options, pool_index, select_num_pools): New internal functions.
 633         (__pool_resource::__pool_resource, __pool_resource::~__pool_resource)
 634         (__pool_resource::allocate, __pool_resource::deallocate)
 635         (__pool_resource::_M_alloc_pools): Define member functions.
 636         (unsynchronized_pool_resource::unsynchronized_pool_resource)
 637         (unsynchronized_pool_resource::~unsynchronized_pool_resource)
 638         (unsynchronized_pool_resource::release)
 639         (unsynchronized_pool_resource::_M_find_pool)
 640         (unsynchronized_pool_resource::do_allocate)
 641         (unsynchronized_pool_resource::do_deallocate): Define member
 642         functions.
 643         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: New
 644         test.
 645         * testsuite/20_util/unsynchronized_pool_resource/is_equal.cc: New
 646         test.
 647         * testsuite/20_util/unsynchronized_pool_resource/options.cc: New
 648         test.
 649         * testsuite/20_util/unsynchronized_pool_resource/release.cc: New
 650         test.
 651
 652 2018-11-06  John Bytheway  <jbytheway@gmail.com>
 653
 654         PR libstdc++/87872
 655         * include/debug/safe_sequence.tcc
 656         (_Safe_sequence<>::_M_transfer_from_if): Skip transfer to self.
 657
 658 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 659
 660         PR bootstrap/82856
 661         * Makefile.am: Include multilib.am.
 662         * configure.ac: Remove AC_PREREQ.
 663         * Makefile.in, aclocal.m4, configure, doc/Makefile.in,
 664         include/Makefile.in, libsupc++/Makefile.in, po/Makefile.in,
 665         python/Makefile.in, src/Makefile.in, src/c++11/Makefile.in,
 666         src/c++17/Makefile.in, src/c++98/Makefile.in,
 667         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
 668
 669 2018-10-31  Jonathan Wakely  <jwakely@redhat.com>
 670
 671         * testsuite/20_util/pair/87822.cc: Test deeper nesting.
 672
 673         PR libstdc++/87822
 674         * include/bits/stl_pair.h (__pair_base): Change to class template.
 675         (pair): Make base class type depend on template parameters.
 676         * testsuite/20_util/pair/87822.cc: New test.
 677
 678 2018-10-30  Marek Polacek  <polacek@redhat.com>
 679
 680         Implement P0892R2, explicit(bool).
 681         * testsuite/20_util/any/cons/explicit.cc: Adjust dg-error.
 682         * testsuite/20_util/pair/cons/explicit_construct.cc: Likewise.
 683         * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
 684
 685 2018-10-30  Jonathan Wakely  <jwakely@redhat.com>
 686
 687         PR libstdc++/87809
 688         * include/bits/forward_list.h (_Fwd_list_impl::_Fwd_list_impl()): Use
 689         trait in exception-specification instead of possibly invalid
 690         expression.
 691         * include/bits/stl_bvector.h (_Bvector_impl::_Bvector_impl()):
 692         Likewise.
 693         * include/bits/stl_list.h (_List_impl::_List_impl()): Likewise.
 694         * include/bits/stl_vector.h (_Vector_impl::_Vector_impl()): Likewise.
 695         * testsuite/23_containers/forward_list/cons/87809.cc: New test.
 696         * testsuite/23_containers/list/cons/87809.cc: New test.
 697         * testsuite/23_containers/vector/bool/cons/87809.cc: New test.
 698         * testsuite/23_containers/vector/cons/87809.cc: New test.
 699
 700         PR libstdc++/87784
 701         * include/tr2/dynamic_bitset (dynamic_bitset::push_back): When there
 702         are no unused bits in the last block, append a new block with the
 703         right value so the bit doesn't need to be set. Only increment size
 704         after setting the new bit, not before.
 705         * testsuite/tr2/dynamic_bitset/pr87784.cc: New test.
 706
 707 2018-10-29  David Malcolm  <dmalcolm@redhat.com>
 708
 709         * testsuite/17_intro/using_namespace_std_exp_neg.cc: Remove
 710         "expected namespace-name before" error.
 711         * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Likewise.
 712
 713 2018-10-28  François Dumont  <fdumont@gcc.gnu.org>
 714
 715         * testsuite/23_containers/deque/48101_neg.cc: Remove dg-prune-output
 716         'std' from regex pattern for versioned namespace compatibility.
 717         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 718         * testsuite/27_io/filesystem/path/io/dr2989.cc: Likewise.
 719
 720 2018-10-25  Jonathan Wakely  <jwakely@redhat.com>
 721
 722         PR libstdc++/87749
 723         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 724         (basic_string::operator=(basic_string&&)): For short strings copy the
 725         buffer inline. Only fall back to using assign(const basic_string&) to
 726         do a deep copy when reallocation is needed.
 727         * testsuite/21_strings/basic_string/modifiers/assign/char/87749.cc:
 728         New test.
 729         * testsuite/21_strings/basic_string/modifiers/assign/char/
 730         move_assign_optim.cc: New test.
 731         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/87749.cc:
 732         New test.
 733         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
 734         move_assign_optim.cc: New test.
 735
 736 2018-10-25  Marc Glisse  <marc.glisse@inria.fr>
 737
 738         PR libstdc++/87106
 739         * include/bits/alloc_traits.h (_S_construct, _S_destroy, construct,
 740         destroy): Add noexcept specification.
 741         * include/bits/allocator.h (construct, destroy): Likewise.
 742         * include/ext/alloc_traits.h (construct, destroy): Likewise.
 743         * include/ext/malloc_allocator.h (construct, destroy): Likewise.
 744         * include/ext/new_allocator.h (construct, destroy): Likewise.
 745         * include/bits/stl_uninitialized.h (__relocate_object_a, __relocate_a,
 746         __relocate_a_1): New functions.
 747         (__is_trivially_relocatable): New class.
 748         * include/bits/stl_vector.h (__use_relocate): New static member.
 749         * include/bits/vector.tcc (reserve, _M_realloc_insert,
 750         _M_default_append): Use __relocate_a.
 751         (reserve, _M_assign_aux, _M_realloc_insert, _M_fill_insert,
 752         _M_default_append, _M_range_insert): Move _GLIBCXX_ASAN_ANNOTATE_REINIT
 753         after _Destroy.
 754         * testsuite/23_containers/vector/modifiers/push_back/49836.cc:
 755         Replace CopyConsOnlyType with DelAnyAssign.
 756
 757 2018-10-24  François Dumont  <fdumont@gcc.gnu.org>
 758
 759         * include/debug/safe_unordered_container.h
 760         (_Safe_unordered_container<>::_M_invalidate_locals): Take lambda
 761         parameter type from local end variable.
 762         (_Safe_unordered_container<>::_M_invalidate_all): Likewise.
 763         * include/debug/unordered_map
 764         (unordered_map<>::begin()): Use C++11 direct initialization.
 765         (unordered_map<>::end()): Likewise.
 766         (unordered_map<>::cbegin()): Likewise.
 767         (unordered_map<>::cend()): Likewise.
 768         (unordered_map<>::begin(size_type)): Likewise.
 769         (unordered_map<>::end(size_type)): Likewise.
 770         (unordered_map<>::cbegin(size_type)): Likewise.
 771         (unordered_map<>::cend(size_type)): Likewise.
 772         (unordered_map<>::emplace<>(_Args&&...)): Likewise.
 773         (unordered_map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 774         (unordered_map<>::insert(const value_type&)): Likewise.
 775         (unordered_map<>::insert(value_type&&)): Likewise.
 776         (unordered_map<>::insert<>(_Pair&&)): Likewise.
 777         (unordered_map<>::insert(const_iterator, const value_type&)): Likewise.
 778         (unordered_map<>::insert(const_iterator, value_type&&)): Likewise.
 779         (unordered_map<>::insert<>(const_iterator, _Pair&&)): Likewise.
 780         (unordered_map<>::try_emplace<>(const key_type&, _Args&&...)): Likewise.
 781         (unordered_map<>::try_emplace<>(key_type&&, _Args&&...)): Likewise.
 782         (unordered_map<>::try_emplace<>(const_iterator, const key_type&,
 783         _Args&&...)): Likewise.
 784         (unordered_map<>::try_emplace<>(const_iterator, key_type&&,
 785         _Args&&...)): Likewise.
 786         (unordered_map<>::insert_or_assign<>(const key_type&, _Obj&&)): Likewise.
 787         (unordered_map<>::insert_or_assign<>(key_type&&, _Obj&&)): Likewise.
 788         (unordered_map<>::insert_or_assign<>(const_iterator, const key_type&,
 789         _Obj&&)): Likewise.
 790         (unordered_map<>::insert_or_assign<>(const_iterator, key_type&&,
 791         _Obj&&)): Likewise.
 792         (unordered_map<>::insert(note_type&&)): Likewise.
 793         (unordered_map<>::find(const key_type&)): Likewise.
 794         (unordered_map<>::equal_range(const key_type&)): Likewise.
 795         (unordered_map<>::_M_extract): New.
 796         (unordered_map<>::extract(const_iterator)): Use latter.
 797         (unordered_map<>::extract(const key_type&)): Likewise.
 798         (unordered_map<>::_M_erase): New.
 799         (unordered_map<>::erase(const key_type&)): Use latter.
 800         (unordered_map<>::erase(const_iterator)): Likewise.
 801         (unordered_map<>::erase(iterator)): Likewise.
 802         (unordered_map<>::_M_invalidate): New.
 803         (unordered_map<>::erase(const_iterator, const_iterator)): Use latter.
 804         (unordered_multimap<>::begin()): Use C++11 direct initialization.
 805         (unordered_multimap<>::end()): Likewise.
 806         (unordered_multimap<>::cbegin()): Likewise.
 807         (unordered_multimap<>::cend()): Likewise.
 808         (unordered_multimap<>::begin(size_type)): Likewise.
 809         (unordered_multimap<>::end(size_type)): Likewise.
 810         (unordered_multimap<>::cbegin(size_type)): Likewise.
 811         (unordered_multimap<>::cend(size_type)): Likewise.
 812         (unordered_multimap<>::emplace<>(_Args&&...)): Likewise.
 813         (unordered_multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 814         (unordered_multimap<>::insert(const value_type&)): Likewise.
 815         (unordered_multimap<>::insert(const_iterator, const value_type&)): Likewise.
 816         (unordered_multimap<>::insert(const_iterator, value_type&&)): Likewise.
 817         (unordered_multimap<>::insert<>(_Pair&&)): Likewise.
 818         (unordered_multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
 819         (unordered_multimap<>::insert(note_type&&)): Likewise.
 820         (unordered_multimap<>::insert(const_iterator, note_type&&)): Likewise.
 821         (unordered_multimap<>::find(const key_type&)): Likewise.
 822         (unordered_multimap<>::equal_range(const key_type&)): Likewise.
 823         (unordered_multimap<>::_M_extract): New.
 824         (unordered_multimap<>::extract(const_iterator)): Use latter.
 825         (unordered_multimap<>::extract(const key_type&)): Likewise.
 826         (unordered_multimap<>::_M_erase): New.
 827         (unordered_multimap<>::erase(const_iterator)): Likewise.
 828         (unordered_multimap<>::erase(iterator)): Likewise.
 829         (unordered_multimap<>::_M_invalidate): New.
 830         (unordered_multimap<>::erase(const key_type&)): Use latter.
 831         (unordered_multimap<>::erase(const_iterator, const_iterator)): Likewise.
 832         * include/debug/unordered_set
 833         (unordered_set<>::begin()): Use C++11 direct initialization.
 834         (unordered_set<>::end()): Likewise.
 835         (unordered_set<>::cbegin()): Likewise.
 836         (unordered_set<>::cend()): Likewise.
 837         (unordered_set<>::begin(size_type)): Likewise.
 838         (unordered_set<>::end(size_type)): Likewise.
 839         (unordered_set<>::cbegin(size_type)): Likewise.
 840         (unordered_set<>::cend(size_type)): Likewise.
 841         (unordered_set<>::emplace<>(_Args&&...)): Likewise.
 842         (unordered_set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 843         (unordered_set<>::insert(const value_type&)): Likewise.
 844         (unordered_set<>::insert(value_type&&)): Likewise.
 845         (unordered_set<>::insert(const_iterator, const value_type&)): Likewise.
 846         (unordered_set<>::insert(const_iterator, value_type&&)): Likewise.
 847         (unordered_set<>::insert(note_type&&)): Likewise.
 848         (unordered_set<>::insert(const_iterator, note_type&&)): Likewise.
 849         (unordered_set<>::find(const key_type&)): Likewise.
 850         (unordered_set<>::equal_range(const key_type&)): Likewise.
 851         (unordered_set<>::_M_extract): New.
 852         (unordered_set<>::extract(const_iterator)): Use latter.
 853         (unordered_set<>::extract(const key_type&)): Likewise.
 854         (unordered_set<>::_M_erase): New.
 855         (unordered_set<>::erase(const key_type&)): Use latter.
 856         (unordered_set<>::erase(const_iterator)): Likewise.
 857         (unordered_set<>::erase(iterator)): Likewise.
 858         (unordered_set<>::_M_invalidate): New.
 859         (unordered_set<>::erase(const_iterator, const_iterator)): Use latter.
 860         (unordered_multiset<>::begin()): Use C++11 direct initialization.
 861         (unordered_multiset<>::end()): Likewise.
 862         (unordered_multiset<>::cbegin()): Likewise.
 863         (unordered_multiset<>::cend()): Likewise.
 864         (unordered_multiset<>::begin(size_type)): Likewise.
 865         (unordered_multiset<>::end(size_type)): Likewise.
 866         (unordered_multiset<>::cbegin(size_type)): Likewise.
 867         (unordered_multiset<>::cend(size_type)): Likewise.
 868         (unordered_multiset<>::emplace<>(_Args&&...)): Likewise.
 869         (unordered_multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 870         (unordered_multiset<>::insert(const value_type&)): Likewise.
 871         (unordered_multiset<>::insert(const_iterator, const value_type&)): Likewise.
 872         (unordered_multiset<>::insert(value_type&&)): Likewise.
 873         (unordered_multiset<>::insert(const_iterator, value_type&&)): Likewise.
 874         (unordered_multiset<>::insert(node_type&&)): Likewise.
 875         (unordered_multiset<>::insert(const_iterator, node_type&&)): Likewise.
 876         (unordered_multiset<>::find(const key_type&)): Likewise.
 877         (unordered_multiset<>::equal_range(const key_type&)): Likewise.
 878         (unordered_multiset<>::_M_extract): New.
 879         (unordered_multiset<>::extract(const_iterator)): Use latter.
 880         (unordered_multiset<>::extract(const key_type&)): Likewise.
 881         (unordered_multiset<>::_M_erase): New.
 882         (unordered_multiset<>::erase(const_iterator)): Likewise.
 883         (unordered_multiset<>::erase(iterator)): Likewise.
 884         (unordered_multiset<>::_M_invalidate): New.
 885         (unordered_multiset<>::erase(const key_type&)): Use latter.
 886         (unordered_multiset<>::erase(const_iterator, const_iterator)): Likewise.
 887
 888         * include/c_global/cstddef: Add versioned namespace.
 889
 890 2018-10-23  Jonathan Wakely  <jwakely@redhat.com>
 891
 892         PR libstdc++/87704
 893         * include/bits/unique_ptr.h (unique_ptr::unique_ptr(nullptr_t)): Do
 894         not delegate to default constructor.
 895         (unique_ptr<T[], D>::unique_ptr(nullptr_t)): Likewise.
 896         * testsuite/20_util/unique_ptr/cons/incomplete.cc: New test.
 897
 898 2018-10-20  François Dumont  <fdumont@gcc.gnu.org>
 899
 900         * testsuite/util/testsuite_containers.h
 901         (forward_members_unordered<>::forward_members_unordered
 902         (const value_type&)): Add local_iterator pre and post increment checks.
 903         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 new symbol.
 904
 905 2018-10-19  Jonathan Wakely  <jwakely@redhat.com>
 906
 907         * testsuite/23_containers/array/requirements/explicit_instantiation/
 908         3.cc: Skip test when compiled with a -std=c++NN strict mode.
 909         * testsuite/23_containers/deque/requirements/explicit_instantiation/
 910         3.cc: Likewise.
 911         * testsuite/23_containers/forward_list/requirements/
 912         explicit_instantiation/3.cc: Likewise.
 913         * testsuite/23_containers/list/requirements/explicit_instantiation/
 914         3.cc: Likewise.
 915         * testsuite/23_containers/map/requirements/explicit_instantiation/
 916         3.cc: Likewise.
 917         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 918         3.cc: Likewise.
 919         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 920         3.cc: Likewise.
 921         * testsuite/23_containers/set/requirements/explicit_instantiation/
 922         3.cc: Likewise.
 923         * testsuite/23_containers/unordered_map/requirements/
 924         explicit_instantiation/3.cc: Likewise.
 925         * testsuite/23_containers/unordered_multimap/requirements/
 926         explicit_instantiation/3.cc: Likewise.
 927         * testsuite/23_containers/unordered_multiset/requirements/
 928         explicit_instantiation/3.cc: Likewise.
 929         * testsuite/23_containers/unordered_set/requirements/
 930         explicit_instantiation/3.cc: Likewise.
 931         * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
 932         3.cc: Likewise.
 933         * testsuite/23_containers/vector/requirements/explicit_instantiation/
 934         3.cc: Likewise.
 935
 936         * testsuite/23_containers/deque/48101_neg.cc: Prune additional errors
 937         printed when __STRICT_ANSI__ is defined.
 938         * testsuite/23_containers/forward_list/48101_neg.cc: Likewise.
 939         * testsuite/23_containers/list/48101_neg.cc: Likewise.
 940         * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
 941         * testsuite/23_containers/set/48101_neg.cc: Likewise.
 942         * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
 943         * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
 944         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 945
 946         * testsuite/23_containers/forward_list/requirements/
 947         explicit_instantiation/5.cc [__STRICT_ANSI__]: Don't test non-standard
 948         extension.
 949         * testsuite/23_containers/list/requirements/explicit_instantiation/
 950         5.cc [__STRICT_ANSI__]: Likewise.
 951         * testsuite/23_containers/map/requirements/explicit_instantiation/5.cc
 952         [__STRICT_ANSI__]: Likewise.
 953         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
 954         5.cc [__STRICT_ANSI__]: Likewise.
 955         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
 956         5.cc [__STRICT_ANSI__]: Likewise.
 957         * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc
 958         [__STRICT_ANSI__]: Likewise.
 959         * testsuite/23_containers/unordered_map/requirements/debug_container.cc
 960         [__STRICT_ANSI__]: Likewise.
 961         * testsuite/23_containers/unordered_map/requirements/
 962         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 963         * testsuite/23_containers/unordered_multimap/requirements/
 964         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 965         * testsuite/23_containers/unordered_multiset/requirements/
 966         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 967         * testsuite/23_containers/unordered_set/requirements/
 968         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
 969
 970         * testsuite/20_util/scoped_allocator/1.cc: Use allocator with correct
 971         value type for the container.
 972         * testsuite/23_containers/forward_list/cons/14.cc: Likewise.
 973         * testsuite/23_containers/map/56613.cc: Likewise.
 974         * testsuite/23_containers/unordered_map/55043.cc: Likewise.
 975         * testsuite/23_containers/unordered_map/allocator/copy.cc: Likewise.
 976         * testsuite/23_containers/unordered_map/allocator/copy_assign.cc:
 977         Likewise.
 978         * testsuite/23_containers/unordered_map/allocator/minimal.cc:
 979         Likewise.
 980         * testsuite/23_containers/unordered_map/allocator/move.cc: Likewise.
 981         * testsuite/23_containers/unordered_map/allocator/move_assign.cc:
 982         Likewise.
 983         * testsuite/23_containers/unordered_map/allocator/noexcept.cc:
 984         Likewise.
 985         * testsuite/23_containers/unordered_map/cons/81891.cc: Likewise.
 986         * testsuite/23_containers/unordered_map/requirements/exception/
 987         basic.cc: Likewise.
 988         * testsuite/23_containers/unordered_map/requirements/exception/
 989         generation_prohibited.cc: Likewise.
 990         * testsuite/23_containers/unordered_map/requirements/exception/
 991         propagation_consistent.cc: Likewise.
 992         * testsuite/23_containers/unordered_multimap/55043.cc: Likewise.
 993         * testsuite/23_containers/unordered_multimap/allocator/copy.cc:
 994         Likewise.
 995         * testsuite/23_containers/unordered_multimap/allocator/copy_assign.cc:
 996         Likewise.
 997         * testsuite/23_containers/unordered_multimap/allocator/minimal.cc:
 998         Likewise.
 999         * testsuite/23_containers/unordered_multimap/allocator/move.cc:
1000         Likewise.
1001         * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc:
1002         Likewise.
1003         * testsuite/23_containers/unordered_multimap/allocator/noexcept.cc:
1004         Likewise.
1005         * testsuite/23_containers/unordered_multimap/requirements/exception/
1006         basic.cc: Likewise.
1007         * testsuite/23_containers/unordered_multimap/requirements/exception/
1008         generation_prohibited.cc: Likewise.
1009         * testsuite/23_containers/unordered_multimap/requirements/exception/
1010         propagation_consistent.cc: Likewise.
1011         * testsuite/23_containers/unordered_multimap/requirements/
1012         explicit_instantiation/5.cc: Likewise.
1013         * testsuite/ext/malloc_allocator/sanity.cc: Likewise.
1014
1015         * ext/special_functions/airy_ai/check_nan.cc: Skip test for
1016         non-standard extension when a strict -std=c++NN dialect is used.
1017         * ext/special_functions/airy_ai/check_value.cc: Likewise.
1018         * ext/special_functions/airy_ai/compile.cc: Likewise.
1019         * ext/special_functions/airy_bi/check_nan.cc: Likewise.
1020         * ext/special_functions/airy_bi/check_value.cc: Likewise.
1021         * ext/special_functions/airy_bi/compile.cc: Likewise.
1022         * ext/special_functions/conf_hyperg/check_nan.cc: Likewise.
1023         * ext/special_functions/conf_hyperg/check_value.cc: Likewise.
1024         * ext/special_functions/conf_hyperg/compile.cc: Likewise.
1025         * ext/special_functions/hyperg/check_nan.cc: Likewise.
1026         * ext/special_functions/hyperg/check_value.cc: Likewise.
1027         * ext/special_functions/hyperg/compile.cc: Likewise.
1028
1029         * testsuite/23_containers/list/requirements/explicit_instantiation/
1030         5_c++0x.cc: Remove redundant test that is functionally identical to
1031         the 5.cc test.
1032         * testsuite/23_containers/map/requirements/explicit_instantiation/
1033         5_c++0x.cc: Likewise.
1034         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1035         5_c++0x.cc: Likewise.
1036         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1037         5_c++0x.cc: Likewise.
1038         * testsuite/23_containers/set/requirements/explicit_instantiation/
1039         5_c++0x.cc: Likewise.
1040
1041         * include/bits/regex_executor.tcc (_Backref_matcher::_M_apply): Use
1042         _GLIBCXX_STD_A to refer to normal mode algorithms.
1043         * testsuite/28_regex/headers/regex/parallel_mode.cc: New test.
1044         * testsuite/28_regex/headers/regex/std_c++0x_neg.cc: Remove empty
1045         whitespace.
1046
1047         * include/debug/map.h (map::erase(iterator)): Add abi-tag so that
1048         C++11 version mangles differently from incompatible C++98 version.
1049         * include/debug/multimap.h (multimap::erase(iterator)): Likewise.
1050         * include/debug/multiset.h (multiset::erase(iterator))
1051         (multiset::erase(const_iterator, const_iterator)): Likewise.
1052         * include/debug/set.h (set::erase(iterator))
1053         (multiset::erase(const_iterator, const_iterator)): Likewise.
1054
1055 2018-10-18  Jonathan Wakely  <jwakely@redhat.com>
1056
1057         * testsuite/20_util/duration/cons/2.cc: Add -ffloat-store to fix
1058         failure when compiled without optimisation.
1059         * testsuite/ext/profile/mutex_extensions_neg.cc: Prune additional
1060         errors caused by C++17 std::pmr alias templates.
1061
1062         PR libstdc++/87642
1063         * config/locale/gnu/monetary_members.cc
1064         (moneypunct<char, true>::_M_initialize_moneypunct): Use
1065         __narrow_multibyte_chars to convert multibyte thousands separators
1066         to a single char.
1067         * config/locale/gnu/numeric_members.cc
1068         (numpunct<char>::_M_initialize_numpunct): Likewise.
1069         (__narrow_multibyte_chars): New function.
1070
1071         PR libstdc++/87641
1072         * include/bits/valarray_array.h (__valarray_sum): Use first element
1073         to initialize accumulator instead of value-initializing it.
1074         (__valarray_product<_Tp>): Move to ...
1075         * src/c++98/valarray.cc (__valarray_product<_Tp>): Here. Use first
1076         element to initialize accumulator.
1077         (__valarray_product(const valarray<size_t>&)): Remove const_cast made
1078         unnecessary by LWG 389.
1079         * testsuite/26_numerics/valarray/87641.cc: New test.
1080
1081 2018-10-18  François Dumont  <fdumont@gcc.gnu.org>
1082
1083         Partial revert.
1084         2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
1085
1086         * include/debug/list (list<>::cbegin()): Use C++11 direct
1087         initialization.
1088         (list<>::cend()): Likewise.
1089         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
1090         iterator comparisons.
1091         (list<>::splice(const_iterator, list&&, const_iterator,
1092         const_iterator)): Likewise.
1093
1094         Partial revert.
1095         2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
1096
1097         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
1098         initialization.
1099         (vector<>::cend()): Likewise.
1100         (vector<>::insert(const_iterator, const _Tp&)): Use consistent
1101         iterator comparison.
1102         (vector<>::erase(const_iterator)): Likewise.
1103         (vector<>::erase(const_iterator, const_iterator)): Likewise.
1104
1105 2018-10-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
1106
1107         PR libstdc++/87619
1108         * include/std/variant (__select_index): Fix an off-by-one.
1109         * testsuite/20_util/variant/87619.cc: New.
1110
1111 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
1112
1113         * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
1114         Fix default constructor to call correct function.
1115
1116         * testsuite/experimental/net/internet/address/v4/creation.cc: Do not
1117         declare ip in global namespace, to avoid collision with struct ip
1118         defined in <netinet/ip.h>.
1119
1120         * include/experimental/bits/net.h: Move versioned namespace macros
1121         to correct location.
1122         * include/experimental/buffer: Likewise.
1123         * include/experimental/executor: Likewise.
1124         * include/experimental/internet: Likewise.
1125         * include/experimental/io_context: Likewise.
1126         * include/experimental/netfwd: Likewise.
1127         * include/experimental/socket: Likewise.
1128         * include/experimental/timer: Likewise.
1129
1130         * config.h.in: Regenerate.
1131         * configure: Regenerate.
1132         * configure.ac: Check for headers used by Networking TS.
1133         * include/experimental/executor: Include <condition_variable>
1134         instead of <mutex>.
1135         * include/experimental/internet: Use autoconf macros for available
1136         headers.  Include <sys/socket.h> for.  Remove <cstring> and use
1137         __builtin_memcpy and __builtin_strchr.
1138         (resolver_errc) [!_GLIBCXX_HAVE_NETDB_H]: Do not define.
1139         (address_v4::to_string, address_v6::to_string)
1140         [!_GLIBCXX_HAVE_ARPA_INET_H]: Likewise.
1141         (basic_resolver_results) [!_GLIBCXX_HAVE_NETDB_H]: Make private
1142         constructors report errors.
1143         [!_GLIBCXX_HAVE_NETINET_TCP_H] (tcp::no_delay): Do not define.
1144         * include/experimental/io_context: Likewise.
1145         * include/experimental/socket: Likewise.
1146         [!_GLIBCXX_HAVE_SYS_SOCKET_H, !_GLIBCXX_HAVE_POLL_H] (socket_base): Do
1147         not define nested types when relevant header not available.
1148         (__socket_impl::native_non_blocking) [!_GLIBCXX_HAVE_FCNTL_H]: Report
1149         an error.
1150         (__basic_socket_impl::open, __basic_socket_impl::local_endpoint)
1151         (__basic_socket_impl::bind) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1152         (__basic_socket_impl::io_control) [!_GLIBCXX_HAVE_SYS_IOCTL_H]:
1153         Likewise.
1154         (basic_socket::at_mark, basic_socket::shutdown)
1155         (basic_socket::remote_endpoint, basic_socket::connect)
1156         (basic_socket::async_connect) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1157         (basic_socket::available) [_GLIBCXX_HAVE_SYS_IOCTL_H]: Check macro
1158         for <sys/ioctl.h> availability.
1159         (basic_socket::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
1160         (basic_datagram_socket::receive, basic_datagram_socket::async_receive)
1161         (basic_datagram_socket::receive_from)
1162         (basic_datagram_socket::async_receive_from)
1163         (basic_datagram_socket::send, basic_datagram_socket::async_send)
1164         (basic_datagram_socket::send_to, basic_datagram_socket::async_send_to)
1165         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1166         (basic_stream_socket::receive, basic_stream_socket::async_receive)
1167         (basic_stream_socket::send, basic_stream_socket::async_send)
1168         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1169         (basic_socket_acceptor::listen, basic_socket_acceptor::accept)
1170         (basic_socket_acceptor::async_accept) [!_GLIBCXX_HAVE_SYS_SOCKET_H]:
1171         Likewise.
1172         (basic_socket_acceptor::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
1173
1174         * testsuite/experimental/net/headers.cc: Remove dg-options.
1175         * testsuite/experimental/net/buffer/arithmetic.cc: Replace dg-options
1176         with dg-do using effective target.
1177         * testsuite/experimental/net/buffer/const.cc: Likewise.
1178         * testsuite/experimental/net/buffer/creation.cc: Likewise.
1179         * testsuite/experimental/net/buffer/mutable.cc: Likewise.
1180         * testsuite/experimental/net/buffer/size.cc: Likewise.
1181         * testsuite/experimental/net/buffer/traits.cc: Likewise.
1182         * testsuite/experimental/net/execution_context/use_service.cc:
1183         Likewise.
1184         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
1185         Likewise.
1186         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
1187         * testsuite/experimental/net/internet/address/v4/creation.cc:
1188         Likewise.
1189         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
1190         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
1191         * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
1192         Likewise.
1193         * testsuite/experimental/net/internet/resolver/ops/reverse.cc:
1194         Likewise.
1195         * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1196         * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1197         * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1198
1199         * include/experimental/socket (basic_socket::at_mark): Add missing
1200         return.
1201
1202         * acinclude.m4 (GLIBCXX_CHECK_RANDOM_TR1): Replace with ...
1203         (GLIBCXX_CHECK_DEV_RANDOM): New macro with more descriptive name.
1204         Define _GLIBCXX_USE_DEV_RANDOM as well as _GLIBCXX_USE_RANDOM_TR1.
1205         * config.h.in: Regenerate.
1206         * configure: Regenerate.
1207         * configure.ac: Use GLIBCXX_CHECK_DEV_RANDOM instead of
1208         GLIBCXX_CHECK_RANDOM_TR1.
1209         crossconfig.m4: Likewise.
1210         * include/bits/random.h (random_device): Use _GLIBCXX_USE_DEV_RANDOM
1211         instead of _GLIBCXX_USE_RANDOM_TR1.
1212         * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
1213
1214 2018-10-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1215
1216         * testsuite/lib/dg-options.exp (add_options_for_net_ts): New proc.
1217         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
1218         Add dg-add-options net_ts.
1219         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
1220         * testsuite/experimental/net/internet/address/v4/creation.cc: Likewise.
1221         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
1222         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
1223         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: Likewise.
1224         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: Likewise.
1225
1226 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
1227
1228         * testsuite/20_util/duration/literals/range_neg.cc: Adjust pruned
1229         diagnostic to account for quotes around 'constexpr'.
1230         * testsuite/23_containers/deque/capacity/max_size.cc: Define static
1231         variable.
1232         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
1233
1234         PR libstdc++/87618
1235         * config/abi/pre/gnu.ver: Fix typos in patterns for basic_stringbuf.
1236         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: Disable
1237         optimisation to check constructor definition can be linked to.
1238         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: Likewise.
1239
1240 2018-10-15  Jonathan Wakely  <jwakely@redhat.com>
1241
1242         * testsuite/22_locale/numpunct/members/char/3.cc: Adjust test to
1243         account for change to glibc it_IT localedata (glibc bz#10797).
1244
1245         PR libstdc++/87587
1246         * src/c++11/cxx11-shim_facets.cc: Suppress -Wabi warnings.
1247
1248 2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
1249
1250         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
1251         initialization.
1252         (vector<>::cend()): Likewise.
1253         (vector<>::emplace(const_iterator, _Args&&...)): Likewise and use
1254         consistent iterator comparison.
1255         (vector<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
1256         (vector<>::insert(const_iterator, _InputIterator, _InputIterator)):
1257         Likewise.
1258         (vector<>::erase(const_iterator)): Likewise.
1259         (vector<>::erase(const_iterator, const_iterator)): Likewise.
1260
1261 2018-10-12  Jonathan Wakely  <jwakely@redhat.com>
1262
1263         Initial commit of Networking TS implementation.
1264         * include/Makefile.am: Add new headers.
1265         * include/Makefile.in: Regenerate.
1266         * include/experimental/bits/net.h: New header for common
1267         implementation details of Networking TS.
1268         * include/experimental/buffer: New header.
1269         * include/experimental/executor: New header.
1270         * include/experimental/internet: New header.
1271         * include/experimental/io_context: New header.
1272         * include/experimental/net: New header.
1273         * include/experimental/netfwd: New header.
1274         * include/experimental/socket: New header.
1275         * include/experimental/timer: New header.
1276         * testsuite/experimental/net/buffer/arithmetic.cc: New test.
1277         * testsuite/experimental/net/buffer/const.cc: New test.
1278         * testsuite/experimental/net/buffer/creation.cc: New test.
1279         * testsuite/experimental/net/buffer/mutable.cc: New test.
1280         * testsuite/experimental/net/buffer/size.cc: New test.
1281         * testsuite/experimental/net/buffer/traits.cc: New test.
1282         * testsuite/experimental/net/execution_context/use_service.cc: New
1283         test.
1284         * testsuite/experimental/net/headers.cc: New test.
1285         * testsuite/experimental/net/internet/address/v4/comparisons.cc: New
1286         test.
1287         * testsuite/experimental/net/internet/address/v4/cons.cc: New test.
1288         * testsuite/experimental/net/internet/address/v4/creation.cc: New
1289         test.
1290         * testsuite/experimental/net/internet/address/v4/members.cc: New
1291         test.
1292         * testsuite/experimental/net/internet/resolver/base.cc: New test.
1293         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: New
1294         test.
1295         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: New
1296         test.
1297         * testsuite/experimental/net/timer/waitable/cons.cc: New test.
1298         * testsuite/experimental/net/timer/waitable/dest.cc: New test.
1299         * testsuite/experimental/net/timer/waitable/ops.cc: New test.
1300
1301         PR libstdc++/77691
1302         * include/experimental/memory_resource (__resource_adaptor_imp): Do
1303         not allocate sizes smaller than alignment when relying on guaranteed
1304         alignment.
1305         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1306         Adjust expected number of bytes allocated for alignof(max_align_t).
1307
1308 2018-10-11  François Dumont  <fdumont@gcc.gnu.org>
1309
1310         * include/debug/forward_list
1311         (forward_list<>::before_begin()): Use C++11 direct initialization.
1312         (forward_list<>::begin()): Likewise.
1313         (forward_list<>::end()): Likewise.
1314         (forward_list<>::cbefore_begin()): Likewise.
1315         (forward_list<>::cbegin()): Likewise.
1316         (forward_list<>::cend()): Likewise.
1317         (forward_list<>::emplace_after<>(const_iterator, _Args&&...)): Likewise.
1318         (forward_list<>::insert_after(const_iterator, const _Tp&)): Likewise.
1319         (forward_list<>::insert_after(const_iterator, _Tp&&)): Likewise.
1320         (forward_list<>::insert_after(const_iterator, size_type, const _Tp&)):
1321         Likewise.
1322         (forward_list<>::insert_after(const_iterator, initializer_list<>)):
1323         Likewise.
1324         (forward_list<>::erase_after(const_iterator)): Likewise.
1325         (forward_list<>::erase_after(const_iterator, const_iterator)): Likewise
1326         and ensure consistent iterator comparison.
1327
1328         * include/bits/forward_list.h
1329         (_Fwd_list_iterator<>::operator==): Replace member function with inline
1330         friend.
1331         (_Fwd_list_iterator<>::operator!=): Likewise.
1332         (_Fwd_list_const_iterator<>::operator==): Likewise.
1333         (_Fwd_list_const_iterator<>::operator!=): Likewise.
1334         (operator==(const _Fwd_list_iterator<>&,
1335         const _Fwd_list_const_iterator<>&)): Remove.
1336         (operator!=(const _Fwd_list_iterator<>&,
1337         const _Fwd_list_const_iterator<>&)): Remove.
1338         (forward_list<>::_Node): Take typedef from base type.
1339         (forward_list<>::iterator): Likewise.
1340         (forward_list<>::const_iterator): Likewise.
1341
1342 2018-10-11  Jonathan Wakely  <jwakely@redhat.com>
1343
1344         PR libstdc++/80538
1345         * src/c++11/thread.cc (this_thread::__sleep_for)
1346         [_GLIBCXX_HAVE_SLEEP]: Only call sleep for non-zero values.
1347         Loop while sleep call is interrupted and until steady_clock
1348         shows requested duration has elapsed.
1349         (!_GLIBCXX_HAVE_USLEEP]: Use the _GLIBCXX_HAVE_SLEEP code path, but
1350         avoiding the usleep call.
1351         * testsuite/30_threads/this_thread/60421.cc: Test repeated
1352         signal interruptions.
1353
1354         * include/bits/allocator.h
1355         (operator==(const allocator<_Tp>&, const allocator<_Tp>))
1356         (operator!=(const allocator<_Tp>&, const allocator<_Tp>)): Replace
1357         with inline friends.
1358         * include/ext/debug_allocator.h (operator==, operator!=): Replace
1359         with inline friend functions that compare to rebound allocators.
1360         * include/ext/malloc_allocator.h (operator==, operator!=): Likewise.
1361         * include/ext/new_allocator.h (operator==, operator!=): Likewise.
1362         * testsuite/ext/debug_allocator/eq.cc: New test.
1363         * testsuite/ext/ext_pointer/alloc_eq.cc: New test.
1364         * testsuite/ext/malloc_allocator/eq.cc: New test.
1365         * testsuite/ext/new_allocator/eq.cc: New test.
1366
1367 2018-10-10  Jonathan Wakely  <jwakely@redhat.com>
1368
1369         PR libstdc++/87544
1370         * include/bits/stl_vector.h (vector::_S_max_size): Limit size to
1371         PTRDIFF_MAX / sizeof(value_type).
1372         * include/ext/malloc_allocator.h (malloc_allocator::max_size):
1373         Likewise.
1374         * include/ext/new_allocator.h (new_allocator::max_size): Likewise.
1375         * testsuite/23_containers/vector/allocator/minimal.cc: Adjust
1376         expected value for max_size().
1377         * testsuite/23_containers/vector/capacity/87544.cc: New test.
1378
1379 2018-10-09  François Dumont  <fdumont@gcc.gnu.org>
1380
1381         * include/bits/stl_list.h
1382         (_List_operator<>::operator==): Replace member function with inline
1383         friend.
1384         (_List_operator<>::operator!=): Likewise.
1385         (_List_const_operator<>::operator==): Likewise.
1386         (_List_const_operator<>::operator!=): Likewise.
1387         (operator==(const _List_iterator<>&, const _List_const_iterator<>&)):
1388         Remove.
1389         (operator!=(const _List_iterator<>&, const _List_const_iterator<>&)):
1390         Remove.
1391
1392 2018-10-09  Jonathan Wakely  <jwakely@redhat.com>
1393
1394         * include/bits/stringfwd.h (string, wstring, u16string, u32string):
1395         Define typedefs outside of __cxx11 inline namespace.
1396         * python/libstdcxx/v6/printers.py (register_type_printers): Also
1397         register printers for typedefs in new location.
1398
1399 2018-10-08  Jonathan Wakely  <jwakely@redhat.com>
1400
1401         PR libstdc++/87538
1402         * testsuite/experimental/functional/87538.cc: New test.
1403
1404         PR libstdc++/87538
1405         * include/std/functional (_Not_fn::operator()): Check value of
1406         __is_nothrow_invocable as well.
1407         * testsuite/20_util/function_objects/not_fn/87538.cc: New test.
1408
1409 2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
1410
1411         * include/debug/list (list<>::cbegin()): Use C++11 direct
1412         initialization.
1413         (list<>::cend()): Likewise.
1414         (list<>::emplace<>(const_iterator, _Args&&...)): Likewise.
1415         (list<>::insert(const_iterator, initializer_list<>)): Likewise.
1416         (list<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
1417         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
1418         iterator comparisons.
1419         (list<>::splice(const_iterator, list&&, const_iterator,
1420         const_iterator)): Likewise.
1421
1422 2018-10-05  François Dumont  <fdumont@gcc.gnu.org>
1423
1424         * include/bits/stl_tree.h
1425         (_Rb_tree_iterator<>::operator==): Make inline friend.
1426         (_Rb_tree_iterator<>::operator!=): Likewise.
1427         (_Rb_tree_const_iterator<>::operator==): Likewise.
1428         (_Rb_tree_const_iterator<>::operator!=): Likewise.
1429         (operator==(const _Rb_tree_iterator<>&,
1430         const _Rb_tree_const_iterator&)): Remove.
1431         (operator!=(const _Rb_tree_iterator<>&,
1432         const _Rb_tree_const_iterator&)): Remove.
1433         (operator==(const _Rb_tree<>&, const _Rb_tree<>&)): Make inline friend.
1434         (operator<(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1435         (operator!=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise and
1436         deprecate.
1437         (operator>(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1438         (operator<=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1439         (operator>=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1440         * include/debug/map.h (map<>::erase(const_iterator, const_iterator)):
1441         Compare __victim with _Base::cend().
1442         * include/debug/multimap.h
1443         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
1444         * include/debug/set.h (set<>::erase(const_iterator, const_iterator)):
1445         Compare __victim with _Base::cend().
1446         * include/debug/multiset.h
1447         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
1448
1449 2018-10-03  Jonathan Wakely  <jwakely@redhat.com>
1450
1451         PR libstdc++/59439
1452         * src/c++98/locale.cc (locale::locale(const locale&)): Bypass
1453         reference count updates for the classic locale.
1454         (locale::~locale()): Likewise.
1455         (locale::operator=(const locale&)): Likewise.
1456         * src/c++98/locale_init.cc (locale::locale()): Likewise.
1457         (locale::global(const locale&)): Likewise.
1458
1459 2018-10-03  François Dumont  <fdumont@gcc.gnu.org>
1460
1461         * include/debug/map.h
1462         (map<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1463         (map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1464         (map<>::insert(value_type&&)): Likewise.
1465         (map<>::insert<>(_Pair&&)): Likewise.
1466         (map<>::insert<>(const_iterator, _Pair&&)): Likewise.
1467         (map<>::try_emplace): Likewise.
1468         (map<>::insert_or_assign): Likewise.
1469         (map<>::insert(node_type&&)): Likewise.
1470         (map<>::insert(const_iterator, node_type&&)): Likewise.
1471         (map<>::erase(const_iterator)): Likewise.
1472         (map<>::erase(const_iterator, const_iterator)): Likewise.
1473         * include/debug/multimap.h
1474         (multimap<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1475         (multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1476         (multimap<>::insert<>(_Pair&&)): Likewise.
1477         (multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
1478         (multimap<>::insert(node_type&&)): Likewise.
1479         (multimap<>::insert(const_iterator, node_type&&)): Likewise.
1480         (multimap<>::erase(const_iterator)): Likewise.
1481         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
1482         * include/debug/set.h
1483         (set<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1484         (set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1485         (set<>::insert(value_type&&)): Likewise.
1486         (set<>::insert<>(const_iterator, value_type&&)): Likewise.
1487         (set<>::insert(const_iterator, node_type&&)): Likewise.
1488         (set<>::erase(const_iterator)): Likewise.
1489         (set<>::erase(const_iterator, const_iterator)): Likewise.
1490         * include/debug/multiset.h
1491         (multiset<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1492         (multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1493         (multiset<>::insert<>(value_type&&)): Likewise.
1494         (multiset<>::insert<>(const_iterator, value_type&&)): Likewise.
1495         (multiset<>::insert(node_type&&)): Likewise.
1496         (multiset<>::insert(const_iterator, node_type&&)): Likewise.
1497         (multiset<>::erase(const_iterator)): Likewise.
1498         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
1499
1500 2018-10-02  Marc Glisse  <marc.glisse@inria.fr>
1501
1502         PR libstdc++/87258
1503         * include/bits/stl_bvector.h (vector::begin(), vector::cbegin()):
1504         Rebuild _M_start with an explicit 0 offset.
1505
1506 2018-10-02  Jonathan Wakely  <jwakely@redhat.com>
1507
1508         * include/std/variant (__gen_vtable_impl::__visit_invoke): Call __get
1509         directly instead of get, as caller ensures correct index is used.
1510         (holds_alternative, get, get_if): Remove redundant inline specifiers.
1511         (_VARIANT_RELATION_FUNCTION_TEMPLATE): Likewise.
1512
1513 2018-10-02  Joseph Myers  <joseph@codesourcery.com>
1514
1515         * testsuite/lib/libstdc++.exp (libstdc++_init): Use
1516         -fno-show-column in default cxxflags.
1517
1518 2018-10-01  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1519
1520         * config/os/uclibc/os_defines.h (__NO_STRING_INLINES): Delete.
1521
1522 2018-10-01  Gerald Pfeifer  <gerald@pfeifer.com>
1523
1524         * doc/xml/manual/allocator.xml: Adjust link to "Reconsidering
1525         Custom Memory Allocation".
1526
1527 2018-10-01  Jonathan Wakely  <jwakely@redhat.com>
1528
1529         * doc/html/*: Regenerate.
1530
1531 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
1532
1533         * doc/xml/manual/messages.xml: Switch link to www.oracle.com
1534         to https.
1535
1536 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
1537
1538         * doc/xml/manual/policy_data_structures_biblio.xml: Update
1539         link to Microsoft Component Model Object Technologies.
1540
1541 2018-09-29  Gerald Pfeifer  <gerald@pfeifer.com>
1542
1543         * doc/xml/gnu/fdl-1.3.xml: The Free Software Foundation web
1544         site now uses https. Also omit the unnecessary trailing slash.
1545         * doc/xml/gnu/gpl-3.0.xml: Ditto.
1546
1547 2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
1548
1549         * include/debug/functions.h
1550         (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
1551         const _InputIter&, __true_type)): Use empty() rather than begin() ==
1552         end().
1553
1554 2018-09-25  Mike Crowe  <mac@mcrowe.com>
1555
1556         * include/std/condition_variable (condition_variable::wait_for): Use
1557         steady clock in overload that uses a predicate.
1558
1559 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
1560
1561         PR libstdc++/87431
1562         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
1563         Avoid runtime test when all alternatives are scalars and so cannot
1564         throw during initialization.
1565
1566 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
1567
1568         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
1569         to https.
1570
1571 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
1572
1573         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
1574         to "Priority Queues and the STL".
1575
1576 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
1577
1578         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
1579         https.
1580
1581 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
1582
1583         PR libstdc++/87135
1584         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1585         Use __builtin_floor to compute _M_next_resize.
1586         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
1587         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
1588         Adapt.
1589
1590 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
1591
1592         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
1593         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
1594         long double unconditionally, but use lower tolerance when
1595         sizeof(long double) == sizeof(double).
1596
1597 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
1598
1599         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
1600         on arm*.
1601
1602 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
1603
1604         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
1605         Remove __glibcxx_assert statements and use map::find instead of
1606         map::operator[].
1607
1608 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
1609
1610         PR libstdc++/87135
1611         * src/c++11/hashtable_c++0x.cc:
1612         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
1613         requested size, but not necessarily greater.
1614         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
1615         strictly greater than next resize threshold.
1616         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
1617         to validate that there is no rehash as long as number of insertion is
1618         lower or equal to the reserved number of elements.
1619
1620 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
1621
1622         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
1623         checking invocable condition.
1624         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
1625         here, where types must be complete. Pass pointer to deleter as an
1626         rvalue.
1627         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
1628
1629 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
1630
1631         * include/std/variant (variant) [__clang__]: Limit workaround to
1632         Clang 7 and older.
1633
1634 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
1635
1636         PR libstdc++/87278
1637         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
1638         remove_const.
1639         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
1640
1641         Implement LWG 2905 changes to constrain unique_ptr constructors
1642         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
1643         check deleter type.
1644         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
1645         constructible constraint.
1646         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
1647         deleters of reference type and add move constructible constraint.
1648         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
1649         Disable for deleters of non-reference type. Define as deleted.
1650         (unique_ptr<T[], D>): Likewise.
1651         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
1652         directives with unstable line numbers with dg-prune-output.
1653         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
1654         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
1655         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
1656         Make deleter types invocable.
1657
1658 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
1659
1660         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
1661
1662 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
1663
1664         PR libstdc++/78179
1665         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
1666         that runs the long double part of hypot.cc.
1667         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
1668         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
1669
1670         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
1671         Return raw pointer not allocator's pointer type.
1672         (vector::_Temporary_value::_M_val): Use _M_ptr.
1673
1674         PR libstdc++/87194
1675         * include/bits/stl_map.h
1676         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
1677         (map::map(initializer_list<value_type>, const Alloc&))
1678         (map::map(InputIterator, InputIterator, const Alloc&))
1679         (map::map(InputIterator, InputIterator))
1680         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
1681         (map::insert(InputIterator, InputIterator)):
1682         Call _M_insert_range_unique instead of _M_insert_unique.
1683         * include/bits/stl_multimap.h
1684         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
1685         (multimap::multimap(initializer_list<value_type>, const A&))
1686         (multimap::multimap(InputIterator, InputIterator, const A&))
1687         (multimap::multimap(InputIterator, InputIterator))
1688         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
1689         (multimap::insert(InputIterator, InputIterator)): Call
1690         _M_insert_range_equal instead of _M_insert_equal.
1691         * include/bits/stl_multiset.h
1692         (multiset::multiset(InputIterator, InputIterator))
1693         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
1694         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
1695         (multiset::multiset(initializer_list<value_type>, const A&))
1696         (multiset::multiset(InputIterator, InputIterator, const A&))
1697         (multiset::insert(InputIterator, InputIterator)): Call
1698         _M_insert_range_equal instead of _M_insert_equal.
1699         * include/bits/stl_set.h
1700         (set::set(InputIterator, InputIterator))
1701         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
1702         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
1703         (set::set(initializer_list<value_type>, const Alloc&))
1704         (set::set(InputIterator, InputIterator, const Alloc&))
1705         (set::insert(InputIterator, InputIterator)):
1706         Call _M_insert_range_unique instead of _M_insert_unique.
1707         * include/bits/stl_tree.h
1708         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
1709         template for SFINAE constraints.
1710         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
1711         constrained overloads that either insert or emplace, depending on
1712         iterator's value_type.
1713         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
1714         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
1715         (_Rb_tree::_M_insert_range_equal): New functions replacing range
1716         versions of _M_insert_unique and _M_insert_equal.
1717         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
1718         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
1719         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
1720         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
1721         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
1722         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
1723
1724         PR libstdc++/78595
1725         * include/bits/stl_map.h (map::insert(_Pair&&))
1726         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
1727         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
1728         (multimap::insert(const_iterator, _Pair&&)): Likewise.
1729         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
1730         (unordered_map::insert(const_iterator, _Pair&&))
1731         (unordered_multimap::insert(_Pair&&))
1732         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
1733         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
1734         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
1735         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
1736         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
1737         test.
1738
1739 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
1740
1741         * include/debug/safe_iterator.h
1742         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
1743         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
1744         New.
1745         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1746         ::_OtherSelf): New.
1747         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
1748         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
1749         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
1750         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1751         ::operator+(difference_type)): Use latters, inline as friend.
1752         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1753         ::operator-(difference_type)): Likewise.
1754         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1755         Likewise.
1756         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1757         Likewise.
1758         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1759         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1760         Likewise.
1761         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1762         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1763         Likewise.
1764         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1765         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
1766         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
1767         * include/debug/safe_iterator.tcc
1768         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
1769         copy.
1770         * include/debug/safe_local_iterator.h
1771         (_Safe_local_iterator<_It, _Seq>::_Self): New.
1772         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
1773         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
1774         (operator==(const _Safe_local_iterator<>&,
1775         const _Safe_local_iterator<>&)): Use latter, inline as friend.
1776         (operator!=(const _Safe_local_iterator<>&,
1777         const _Safe_local_iterator<>&)): Likewise.
1778         * testsuite/util/testsuite_containers.h: Include utility.
1779         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
1780         parameter.
1781         (forward_members_unordered<>::forward_members_unordered(value_type&)):
1782         Add using namespace std::rel_ops.
1783         Add iterator_concept_checks on local_iterator and const_local_iterator.
1784         Add asserts on comparison between const_local_iterator and
1785         local_iterator.
1786         (struct forward_members_unordered<_Tp, false>): Remove partial
1787         specialization.
1788         * testsuite/23_containers/forward_list/types/1.cc: New.
1789         * testsuite/23_containers/list/types/1.cc: New.
1790
1791 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
1792
1793         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
1794         references.
1795
1796 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
1797
1798         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
1799         Add dg-require-fileio.
1800         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
1801         Likewise.
1802         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
1803         Likewise.
1804         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
1805         Likewise.
1806         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
1807         Likewise.
1808         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
1809         Likewise.
1810         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
1811         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
1812         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
1813         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
1814         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
1815         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
1816         Likewise.
1817         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
1818         Likewise.
1819         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
1820         Likewise.
1821         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
1822         Likewise.
1823         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
1824         Likewise.
1825         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
1826         Likewise.
1827         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
1828         Likewise.
1829         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
1830         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
1831         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
1832         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
1833         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
1834         Likewise.
1835         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
1836         Likewise.
1837         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
1838         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
1839         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
1840         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
1841         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
1842         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
1843         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
1844         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
1845         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
1846         Likewise.
1847         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
1848         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
1849         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
1850         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
1851         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
1852         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
1853         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
1854         Likewise.
1855         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
1856
1857 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
1858
1859         * testsuite/experimental/propagate_const/observers/1.cc: Make
1860         dependence on -fdelete-null-pointer-checks explicit.
1861
1862 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
1863
1864         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
1865         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
1866         of the number of bits in the type.
1867         * include/std/bit (__ceil2): Avoid undefined shifts.
1868         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
1869         the most signifiant bit set.
1870
1871         * config/abi/pre/gnu.ver: Add missing exports for mingw.
1872
1873         * include/ext/pointer.h (_Pointer_adapter): Define operators for
1874         pointer arithmetic using long long offsets.
1875         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
1876         long long values.
1877
1878 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
1879
1880         PR libstdc++/31413
1881         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
1882         string for alternative format.
1883
1884 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
1885
1886         PR libstdc++/87116
1887         * src/filesystem/std-path.cc (path::lexically_normal): When handling
1888         a dot-dot filename, preserve an empty final component in the iteration
1889         sequence.
1890         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
1891         root-directory.
1892         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
1893         for more than two adjacent dot-dot filenames.
1894         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
1895         preferred-separator in expected normalized strings.
1896
1897 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
1898
1899         PR libstdc++/70694
1900         * configure.host (OPT_LDFLAGS): Don't append
1901         -fvisibility-inlines-hidden for newer Darwin.
1902
1903 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
1904
1905         PR libstdc++/86822
1906         * libsupc++/new (operator new(size_t, nothrow_t), operator
1907         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
1908         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
1909
1910 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
1911
1912         * include/debug/deque (std::__debug::deque): Declare.
1913         * include/debug/forward_list (std::__debug::forward_list): Declare.
1914         * include/debug/list (std::__debug::list): Declare.
1915         * include/debug/map (std::__debug::map): Declare.
1916         * include/debug/set (std::__debug::set): Declare.
1917         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
1918         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
1919         * include/debug/vector (std::__debug::vector): Declare.
1920         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
1921         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
1922         test.
1923         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
1924         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
1925         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
1926         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
1927         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
1928         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
1929         test.
1930         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
1931         New test.
1932         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
1933         New test.
1934         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
1935         test.
1936         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
1937         Adjust dg-error lineno.
1938         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
1939         test.
1940
1941 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
1942
1943         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1944         Only define when RTTI is enabled.
1945
1946         * include/debug/vector (__niter_base): Define for C++98.
1947
1948         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
1949         Fix C++98 test to not use C++11 features.
1950         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
1951
1952         * scripts/check_compile: Fix comments.
1953
1954         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
1955         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
1956         begin(), for C++98 compatibility.
1957
1958         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
1959         (basic_string::__const_iterator): Change access to protected.
1960         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
1961         as typedef for iterator.
1962         * include/debug/string (__const_iterator): Use typedef from base.
1963         (insert(const_iterator, _CharT))
1964         (replace(const_iterator, const_iterator, const basic_string&))
1965         (replace(const_iterator, const_iterator, const _CharT*, size_type))
1966         (replace(const_iterator, const_iterator, const CharT*))
1967         (replace(const_iterator, const_iterator, size_type, _CharT))
1968         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
1969         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
1970         Change const_iterator parameters to __const_iterator.
1971         (insert(iterator, size_type, _CharT)): Add C++98 overload.
1972         (insert(const_iterator, _InputIterator, _InputIterator)): Change
1973         const_iterator parameter to __const_iterator.
1974         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
1975         of base's member function.
1976         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
1977         Likewise.
1978         (insert(const_iterator, initializer_list<_CharT>))
1979         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
1980         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
1981         target directive.
1982
1983         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
1984         not use C++14 feature.
1985         * testsuite/23_containers/list/68222_neg.cc: Likewise.
1986
1987         * testsuite/21_strings/basic_string/init-list.cc:
1988         Require cxx11-abi.
1989         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
1990         Likewise.
1991         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
1992         Likewise.
1993
1994         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
1995         C++98 mode.
1996         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
1997         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
1998         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
1999         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
2000         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
2001
2002 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
2003
2004         PR libstdc++/87061
2005         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
2006         (experimental::pmr::match_results, experimental::pmr::cmatch)
2007         (experimental::pmr::smatch, experimental::pmr::wcmatch)
2008         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
2009         because COW strings don't support C++11 allocator model.
2010         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
2011         (experimental::pmr::basic_string, experimental::pmr::string)
2012         (experimental::pmr::u16string, experimental::pmr::u32string)
2013         (experimental::pmr::wstring): Likewise.
2014         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
2015         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
2016         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
2017         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
2018         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
2019         cxx11-abi.
2020         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
2021
2022         PR libstdc++/78448
2023         * include/bits/deque.tcc (deque::_M_range_initialize): Use
2024         _S_check_init_len to check size.
2025         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
2026         error if size would exceed max_size().
2027         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
2028         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
2029         size_t instead of size_type.
2030         (deq(size_type, const allocator_type&)
2031         (deq(size_type, const value_type&, const allocator_type&)
2032         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
2033         (deque::max_size): Call _S_max_size.
2034         (deque::_S_check_init_len, deque::_S_max_size): New functions.
2035         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
2036         (vector(size_type, const value_type&, const allocator_type&))
2037         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
2038         _S_check_init_len to check size.
2039         (vector::max_size): Call _S_max_size.
2040         (vector::_M_check_len): Prevent max from being expanded as a
2041         function-like macro.
2042         (vector::_S_check_init_len, vector::_S_max_size): New functions.
2043         * include/bits/vector.tcc (vector::_M_assign_aux): Use
2044         _S_check_init_len to check size.
2045         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
2046         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
2047
2048 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
2049
2050         PR libstdc++/68222
2051         * include/debug/safe_iterator.h
2052         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
2053         (_Safe_iterator<>::_Const_iterator): Remove.
2054         (_Safe_iterator<>::_IsConstant): New.
2055         (_Safe_iterator<>::_OtherIterator): New.
2056         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
2057         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
2058         __gnu_cxx::__enable_if condition.
2059         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
2060         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
2061         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
2062         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
2063         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
2064         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
2065         ::operator--()): ...here.
2066         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
2067         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
2068         ::operator--(int)): ...here.
2069         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
2070         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
2071         ::_M_decrementable()): ...here.
2072         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
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         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
2086         Move...
2087         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
2088         ::operator-=(const difference_type&)): ...here.
2089         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
2090         Move...
2091         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
2092         ::operator-(const difference_type&)): ...here.
2093         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
2094         Constraint to random access iterators.
2095         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
2096         Likewise.
2097         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
2098         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
2099         Likewise.
2100         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
2101         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
2102         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
2103         (__get_distance): Remove.
2104         (__get_distance_from_begin): Remove.
2105         (__get_distance_to_end): Remove.
2106         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
2107         specialization.
2108         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
2109         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
2110         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
2111         * include/debug/safe_iterator.tcc
2112         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
2113         (_Safe_iterator<>::_M_get_distance_to_end()): New.
2114         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
2115         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
2116         ::_M_valid_range): New.
2117         * include/debug/safe_local_iterator.h
2118         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
2119         (_Safe_local_iterator<>::_IsConstant): New.
2120         (_Safe_local_iterator<>::_OtherIterator): New.
2121         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
2122         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
2123         in __gnu_cxx::__enable_if condition. If singular compare base iterator
2124         with _MutIte rather than _It.
2125         (_Safe_local_iterator<>::_S_constant): Make constexpr.
2126         (_Safe_local_iterator<>::_M_get_distance_to): New.
2127         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
2128         (__get_distance(const _Safe_local_iterator<>&,
2129         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
2130         (__valid_range(const _Safe_local_iterator<>&,
2131         const _Safe_local_iterator<>&)): New.
2132         * include/debug/safe_local_iterator.tcc
2133         (_Safe_local_iterator<>::_M_get_distance_to): New.
2134         * include/debug/deque (std::__debug::deque<>): Add
2135         ::__gnu_debug::_Safe_iterator<> friend declaration.
2136         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
2137         * include/debug/list (std::__debug::list<>): Likewise.
2138         * include/debug/map.h (std::__debug::map<>): Likewise.
2139         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
2140         * include/debug/set.h (std::__debug::set<>): Likewise.
2141         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
2142         * include/debug/string (std::__debug::basic_string<>): Likewise.
2143         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
2144         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
2145         (std::__debug::unordered_multimap<>): Likewise.
2146         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
2147         (std::__debug::unordered_multiset<>): Likewise.
2148         * include/debug/formatter.h: Adapt.
2149         * include/debug/helper_functions.h
2150         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
2151         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
2152         Pass parameter by copy.
2153         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
2154         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
2155         (__valid_range_aux<_Integral>): Pass _Integral by copy.
2156         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
2157         (__valid_range<>(const _Safe_iterator<>&,
2158         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
2159         Declare.
2160         (__valid_range(const _Safe_local_iterator<>&,
2161         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
2162         Declare.
2163         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
2164         Declare.
2165         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
2166         Declare.
2167         (__can_advance): Adapt.
2168         (struct __is_safe_random_iterator<>): Remove.
2169         (struct _SIter_base<>): Remove.
2170         * include/debug/functions.h: Include <bits/stl_iterator.h>.
2171         (__check_dereferenceable): Remove.
2172         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
2173         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
2174         (__foreign_iterator): Adapt.
2175         * include/debug/stl_iterator.h
2176         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
2177         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
2178         Constraint for random access iterators.
2179         (__niter_base): Adapt.
2180         * testsuite/util/testsuite_containers.h:
2181         Include <bits/boost_concept_check.h>.
2182         (iterator_concept_checks<_It, _Mutable, _Category>): New.
2183         (citerator<_Cont>::forward_members::forward_members()): Instantiate
2184         latter for container iterator and const_iterator.
2185         * testsuite/23_containers/list/68222_neg.cc: New.
2186         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
2187         line number.
2188         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
2189         (test01): Remove.
2190         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
2191         Remove.
2192
2193 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
2194
2195         PR libstdc++/77854
2196         * doc/xml/manual/status_cxx1998.xml: Document size_type and
2197         difference_type for containers.
2198         * doc/html/*: Regenerate.
2199
2200 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
2201
2202         P0646R1 Improving the Return Value of Erase-Like Algorithms I
2203         * include/debug/forward_list (forward_list::__remove_return_type):
2204         Define typedef as size_type or void, according to __cplusplus value.
2205         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2206         empty, according to __cplusplus value.
2207         (_GLIBCXX20_ONLY): Define macro.
2208         (forward_list::remove, forward_list::unique): Use typedef and macro
2209         to change return type and add abi-tag for C++2a. Return number of
2210         removed elements for C++2a.
2211         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
2212         typedef to change return type for C++2a. Return number of removed
2213         elements for C++2a.
2214         * include/debug/list (list::__remove_return_type): Define typedef as
2215         size_type or void, according to __cplusplus value.
2216         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2217         empty, according to __cplusplus value.
2218         (_GLIBCXX20_ONLY): Define macro.
2219         (list::remove, list::unique): Use typedef and macro to change return
2220         type and add abi-tag for C++2a. Return number of removed elements for
2221         C++2a.
2222         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
2223         to change return type for C++2a. Return number of removed elements for
2224         C++2a.
2225
2226 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
2227
2228         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
2229
2230 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
2231
2232         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
2233         redundant dg-do directive.
2234         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
2235         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
2236         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
2237         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
2238
2239 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
2240
2241         PR libstdc++/86963
2242         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
2243         (_Tuple_impl::_M_assign): New functions to perform assignment instead
2244         of assignment operators.
2245         (_Tuple_impl::_M_swap): Remove exception specification.
2246         (_Tuple_impl<_Idx, _Head>): Likewise.
2247         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
2248         (__tuple_base): Remove.
2249         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
2250         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
2251         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
2252         using __is_nothrow_swappable.
2253         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
2254
2255         * include/std/optional (_Optional_payload): Use variable templates
2256         for conditions in default template arguments and exception
2257         specifications.
2258         (optional): Likewise. Adjust indentation.
2259         (optional::__not_self, optional::__not_tag, optional::_Requires): New
2260         SFINAE helpers.
2261         (optional::optional): Use new helpers in constructor constraints.
2262         * include/std/type_traits (__or_v, __and_v): New variable templates.
2263         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
2264         dg-prune-output. Remove unused header.
2265
2266 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
2267
2268         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
2269         _GLIBCXX_DEBUG.
2270
2271 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
2272
2273         PR libstdc++/86963
2274         * include/std/tuple (__tuple_base): New class template with deleted
2275         copy assignment operator.
2276         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
2277         implicit copy/move assignment operator will be deleted/suppressed.
2278         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
2279         functions for SFINAE constraints on assignment operators.
2280         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
2281         New helper functions for exception specifications.
2282         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
2283         (tuple<_T1, _T2>::operator=(const tuple&))
2284         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
2285         __nonesuch_no_braces when the operator should be defined implicitly.
2286         Use __nothrow_assignable for exception specifications.
2287         (tuple::operator=(const tuple<_UElements...>&))
2288         (tuple::operator=(tuple<_UElements...>&&))
2289         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
2290         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
2291         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
2292         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
2293         __assignable and use __nothrow_assignable for exception
2294         specifications.
2295         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
2296         gdb.Type as first argument, instead of a string.
2297         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
2298         tuple for expected structure.
2299         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
2300         * testsuite/20_util/tuple/dr2729.cc: New test.
2301         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
2302         to dg-prune-output.
2303
2304 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
2305
2306         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
2307         about signed/unsigned comparison.
2308
2309         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
2310         deprecation warnings for using uncaught_exception().
2311
2312         PR libstdc++/86447
2313         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
2314         (logic_error::logic_error(logic_error&&))
2315         (logic_error::operator=(logic_error&&))
2316         (runtime_error::runtime_error(runtime_error&&))
2317         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
2318         moving, to avoid allocating empty reps for moved-from strings.
2319
2320 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
2321
2322         * include/experimental/regex: Remove begin/end macros for namespace.
2323         * include/experimental/string: Likewise.
2324         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
2325         New test.
2326         * testsuite/experimental/polymorphic_allocator/
2327         pmr_typedefs_forward_list.cc: New test.
2328         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
2329         New test.
2330         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
2331         New test.
2332         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
2333         New test.
2334         * testsuite/experimental/polymorphic_allocator/
2335         pmr_typedefs_multimap.cc: New test.
2336         * testsuite/experimental/polymorphic_allocator/
2337         pmr_typedefs_multiset.cc: New test.
2338         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
2339         New test.
2340         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
2341         New test.
2342         * testsuite/experimental/polymorphic_allocator/
2343         pmr_typedefs_unordered_map.cc: New test.
2344         * testsuite/experimental/polymorphic_allocator/
2345         pmr_typedefs_unordered_multimap.cc: New test.
2346         * testsuite/experimental/polymorphic_allocator/
2347         pmr_typedefs_unordered_multiset.cc: New test.
2348         * testsuite/experimental/polymorphic_allocator/
2349         pmr_typedefs_unordered_set.cc: New test.
2350         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
2351         New test.
2352
2353         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
2354         calls to __uses_allocator_construct_impl and __use_alloc.
2355         * include/experimental/memory_resource
2356         (polymorphic_allocator::_M_construct): Remove.
2357         (polymorphic_allocator::construct): Call __uses_allocator_construct.
2358         Qualify calls to __use_alloc.
2359         * include/std/memory_resource (polymorphic_allocator::construct): Fix
2360         type in SFINAE constraint. Use constexpr if instead of tag dispatching
2361         to _S_construct overloads.
2362         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
2363         arguments to _S_construct_p.
2364         (polymorphic_allocator::_S_construct): Remove.
2365         (polymorphic_allocator::_S_construct_p): Return allocators by value
2366         not by reference.
2367         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
2368         Qualify calls to __use_alloc.
2369         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
2370         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
2371         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
2372         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
2373         New test.
2374
2375         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
2376         (atomic_mem_res): Add unsynchronized definition for single-threaded.
2377
2378 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
2379
2380         PR libstdc++/86954
2381         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
2382         non-placement delete.
2383
2384         * include/std/chrono (__check_overflow): Simplify definition.
2385         (_Checked_integral_constant): Remove.
2386
2387         PR libstdc++/86846
2388         * src/c++17/default_resource.h: New file, defining default_res.
2389         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
2390         (atomic_mem_res): Define alternative for atomic<memory_resource*>
2391         using a mutex instead of atomics.
2392
2393         PR libstdc++/85343
2394         * config/abi/pre/gnu.ver: Export new symbol.
2395         * doc/xml/manual/abi.xml: Document new versions.
2396         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
2397         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
2398         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
2399         Declare new overload.
2400         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
2401         and static member function.
2402         (__throw_ios_failure(const char*, int)): Define.
2403         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
2404         (__throw_ios_failure(const char*, int)): Define.
2405
2406 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
2407
2408         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
2409         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
2410         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
2411         copied/assigned rope iterators don't retain pointers to the iterator
2412         they were copied/assigned from.
2413         * testsuite/ext/rope/7.cc: New.
2414
2415 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
2416
2417         PR libstdc++/45093
2418         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
2419         Combine definitions to avoid --detect-odr-violations warning.
2420
2421         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
2422         __is_pow2 to check for valid alignment. Avoid branching when rounding
2423         size to multiple of alignment.
2424
2425         * include/Makefile.am: Install <bit> and <version> for freestanding.
2426         * include/Makefile.in: Regenerate.
2427         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
2428
2429         Revert
2430         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2431
2432         PR target/85904
2433         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
2434         Newlib.
2435         * configure: Regenerate.
2436
2437 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
2438
2439         PR libstdc++/68210
2440         * doc/xml/manual/intro.xml: Document LWG 206 change.
2441         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2442         * libsupc++/del_opa.cc: Likewise.
2443         * libsupc++/del_opant.cc: Likewise.
2444         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
2445         of free(ptr).
2446         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2447         * libsupc++/del_opsa.cc: Likewise.
2448         * libsupc++/del_opva.cc: Likewise.
2449         * libsupc++/del_opvant.cc: Likewise.
2450         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
2451         instead of operator delete(ptr).
2452         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2453         * libsupc++/del_opvsa.cc: Likewise.
2454         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
2455         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
2456         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
2457         with noexcept.
2458         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
2459         malloc(sz).
2460         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
2461         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
2462         operator new(sz, nothrow).
2463         * testsuite/18_support/new_nothrow.cc: New test.
2464
2465 2018-08-10  Martin Liska  <mliska@suse.cz>
2466
2467         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
2468         predictor can handle that.
2469         * libsupc++/new_opa.cc: Likewise.
2470         * libsupc++/new_opnt.cc (new): Likewise.
2471
2472 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2473
2474         PR target/85904
2475         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
2476         Newlib.
2477         * configure: Regenerate.
2478
2479 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
2480
2481         * include/std/deque (std::pmr::deque): Declare alias.
2482         * include/std/forward_list (std::pmr::forward_list): Likewise.
2483         * include/std/list (std::pmr::list): Likewise.
2484         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
2485         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
2486         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
2487         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
2488         * include/std/string (std::pmr::basic_string, std::pmr::string)
2489         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
2490         Likewise.
2491         * include/std/unordered_map (std::pmr::unordered_map)
2492         (std::pmr::unordered_multimap): Likewise.
2493         * include/std/unordered_set (std::pmr::unordered_set)
2494         (std::pmr::unordered_multiset): Likewise.
2495         * include/std/vector (std::pmr::vector): Likewise.
2496         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
2497         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
2498         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
2499         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
2500         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
2501         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
2502         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
2503         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
2504         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
2505         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
2506         test.
2507         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
2508         test.
2509         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
2510         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
2511         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
2512
2513 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
2514
2515         * include/bits/stl_algo.h
2516         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
2517         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
2518         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
2519         duplication...
2520         (rotate(_Ite, _Ite, _Ite)): ...here.
2521         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
2522         Simplify rotate call.
2523         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
2524         Likewise.
2525         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
2526         Likewise.
2527
2528 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
2529
2530         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
2531         avoid clashing with an ::aligned_alloc function that was not detected
2532         by configure.
2533
2534         * doc/xml/manual/using.xml: Fix markup for empty table entry.
2535         * doc/html/*: Regenerate.
2536
2537         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
2538         * doc/html/*: Regenerate.
2539
2540         PR libstdc++/86597
2541         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
2542         Clear error_code when cached type is used.
2543         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
2544
2545 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
2546
2547         PR libstdc++/86874
2548         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
2549         here instead of in _Move_assign_base.
2550         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
2551         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
2552         the contained value to another alternative.
2553         (_Move_assign_base::operator=): Likewise.
2554         (_Move_assign_base::_M_destructive_move): Remove.
2555         * testsuite/20_util/variant/86874.cc: New test.
2556
2557         PR libstdc++/86861
2558         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
2559         Replace macro with inline function.
2560         [__sun]: Increase alignment to meet memalign precondition.
2561         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
2562         (aligned_alloc): Move check for valid alignment to operator new.
2563         Remove redundant check for non-zero size, it's enforced by the caller.
2564         (operator new): Move check for valid alignment here. Use
2565         __builtin_expect on check for zero size.
2566
2567         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
2568         * include/std/memory_resource (monotonic_buffer_resource::release):
2569         Call _M_release_buffers to free buffers.
2570         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
2571         allocate a new buffer from upstream.
2572         (monotonic_buffer_resource::_M_new_buffer): Declare.
2573         (monotonic_buffer_resource::_M_release_buffers): Declare.
2574         (monotonic_buffer_resource::_Chunk): Replace definition with
2575         declaration as opaque type.
2576         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
2577         Define.
2578         (monotonic_buffer_resource::_M_new_buffer): Define.
2579         (monotonic_buffer_resource::_M_release_buffers): Define.
2580
2581 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
2582
2583         * include/bits/stl_iterator.h: Fix comment.
2584
2585 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
2586
2587         * src/c++11/system_error.cc
2588         (system_error_category::default_error_condition): Add workaround for
2589         ENOTEMPTY and EEXIST having the same value on AIX.
2590         * testsuite/19_diagnostics/error_category/system_category.cc: Add
2591         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
2592
2593 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2594
2595         * configure: Regenerate.
2596         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
2597         * src/c++11/futex.cc: Use __glibcxx_assert instead of
2598         _GLIBCXX_DEBUG_ASSERT.
2599
2600 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2601
2602         * include/std/condition_variable (wait_for): Use steady_clock.
2603
2604 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2605
2606         * include/std/condition_variable (wait_until): Only report timeout
2607         if we really have timed out when measured against the
2608         caller-supplied clock.
2609         * testsuite/30_threads/condition_variable/members/2.cc: Add test
2610         case to confirm above behaviour.
2611
2612 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2613
2614         PR libstdc++/60555
2615         * src/c++11/system_error.cc
2616         (system_error_category::default_error_condition): New override to
2617         check for POSIX errno values.
2618         * testsuite/19_diagnostics/error_category/generic_category.cc: New
2619         * testsuite/19_diagnostics/error_category/system_category.cc: New
2620         test.
2621
2622 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
2623
2624         PR libstdc++/86751
2625         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
2626         assignment operator.
2627         (pair): Derive from __pair_base.
2628         (pair::operator=): Remove deleted overload.
2629         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
2630         so that new base class isn't shown in GDB.
2631         * testsuite/20_util/pair/86751.cc: New test.
2632         * testsuite/20_util/pair/ref_assign.cc: New test.
2633
2634         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2635         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
2636         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
2637         instead of __has_builtin.
2638         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2639         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
2640         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
2641         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
2642         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
2643         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
2644         (__cpp_lib_has_unique_object_representations): Don't define when
2645         builtin not available.
2646         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
2647         Likewise.
2648         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
2649         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
2650         from here.
2651
2652         * doc/xml/manual/test.xml: Improve documentation on writing tests for
2653         newer standards.
2654         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
2655         * doc/html/*: Regenerate.
2656
2657         * include/ext/pointer.h [__cplusplus >= 201103L]
2658         (_Pointer_adapter::operator bool): Add explicit conversion operator
2659         to replace safe bool idiom.
2660
2661 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
2662
2663         PR libstdc++/86734
2664         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
2665         _S_to_pointer (LWG 1052, LWG 2118).
2666         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
2667         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
2668         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
2669
2670         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
2671         workaround for aligned_alloc bug on AIX.
2672         * testsuite/18_support/new_aligned.cc: New test.
2673
2674 2018-07-26  Marek Polacek  <polacek@redhat.com>
2675
2676         * testsuite/30_threads/condition_variable_any/cond.cc: New.
2677
2678 2018-07-26  Marek Polacek  <polacek@redhat.com>
2679
2680         * src/c++98/locale_init.cc: Fix #ifdef condition.
2681
2682 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
2683
2684         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
2685         dg-require-cstdint directive.
2686         * testsuite/20_util/allocator/overaligned.cc: Likewise.
2687         * testsuite/20_util/any/cons/aligned.cc: Likewise.
2688         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
2689         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
2690         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
2691         Likewise.
2692         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2693         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
2694         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
2695         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
2696         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
2697         random_device effective-target.
2698         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
2699         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
2700         * testsuite/25_algorithms/sample/2.cc: Likewise.
2701         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
2702         and random_device.
2703         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
2704         cstdint.
2705         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
2706         Likewise.
2707         * testsuite/26_numerics/random/discard_block_engine/requirements/
2708         constexpr_data.cc: Likewise.
2709         * testsuite/26_numerics/random/discard_block_engine/requirements/
2710         constexpr_functions.cc: Likewise.
2711         * testsuite/26_numerics/random/independent_bits_engine/requirements/
2712         constexpr_functions.cc: Likewise.
2713         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2714         constexpr_data.cc: Likewise.
2715         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2716         constexpr_functions.cc: Likewise.
2717         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2718         constexpr_data.cc: Likewise.
2719         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2720         constexpr_functions.cc: Likewise.
2721         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
2722         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
2723         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2724         constexpr_data.cc: Add dg-require-cstdint directive.
2725         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2726         constexpr_functions.cc: Likewise.
2727         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2728         constexpr_data.cc: Likewise.
2729         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2730         constexpr_functions.cc: Likewise.
2731         * testsuite/26_numerics/random/uniform_real_distribution/operators/
2732         64351.cc: Likewise.
2733         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
2734         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2735         * testsuite/experimental/algorithm/sample.cc: Likewise.
2736         * testsuite/experimental/algorithm/search.cc: Likewise.
2737         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2738         * testsuite/experimental/any/cons/aligned.cc: Likewise.
2739         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2740         Likewise.
2741         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
2742         * testsuite/experimental/random/randint.cc: Likewise.
2743         * testsuite/experimental/source_location/1.cc: Likewise.
2744         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
2745         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
2746         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
2747         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
2748         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
2749         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
2750         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
2751         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
2752         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
2753         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
2754         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
2755         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
2756         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
2757         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
2758         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
2759         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
2760         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
2761         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
2762         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
2763         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2764         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
2765         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
2766         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
2767
2768         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
2769         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
2770         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
2771         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
2772         Likewise.
2773         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
2774         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
2775         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
2776         Likewise.
2777         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
2778         Likewise.
2779         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
2780         Likewise.
2781         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
2782         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
2783         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
2784         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
2785         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
2786         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
2787         Likewise.
2788         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
2789         Likewise.
2790         * testsuite/30_threads/recursive_timed_mutex/dest/
2791         destructor_locked.cc: Likewise.
2792         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
2793         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
2794         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
2795         Likewise.
2796         * testsuite/30_threads/recursive_timed_mutex/native_handle/
2797         typesizes.cc: Likewise.
2798         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
2799         Likewise.
2800         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
2801         Likewise.
2802         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
2803         Likewise.
2804         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
2805         Likewise.
2806         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
2807         Likewise.
2808         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
2809         Likewise.
2810         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
2811         Likewise.
2812         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
2813         Likewise.
2814         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
2815         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
2816         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
2817         * testsuite/30_threads/scoped_lock/requirements/
2818         explicit_instantiation.cc: Likewise.
2819         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
2820         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
2821         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
2822         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
2823         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
2824         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
2825         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
2826         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
2827         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
2828         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
2829         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
2830         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
2831         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
2832         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
2833         * testsuite/30_threads/shared_future/requirements/
2834         explicit_instantiation.cc: Likewise.
2835         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
2836         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
2837         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
2838         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
2839         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
2840         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
2841         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
2842         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
2843         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
2844         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
2845         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
2846         * testsuite/30_threads/shared_lock/requirements/
2847         explicit_instantiation.cc: Likewise.
2848         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
2849         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
2850         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
2851         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
2852         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
2853         Likewise.
2854         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
2855         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
2856         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
2857         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
2858         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
2859         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
2860         * testsuite/30_threads/shared_timed_mutex/requirements/
2861         standard_layout.cc: Likewise.
2862         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
2863         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
2864         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
2865         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
2866         * testsuite/30_threads/this_thread/1.cc: Likewise.
2867         * testsuite/30_threads/this_thread/2.cc: Likewise.
2868         * testsuite/30_threads/this_thread/3.cc: Likewise.
2869         * testsuite/30_threads/this_thread/4.cc: Likewise.
2870         * testsuite/30_threads/this_thread/58038.cc: Likewise.
2871         * testsuite/30_threads/thread/70503.cc: Likewise.
2872         * testsuite/30_threads/thread/84532.cc: Likewise.
2873         * testsuite/30_threads/thread/adl.cc: Likewise.
2874         * testsuite/30_threads/thread/cons/1.cc: Likewise.
2875         * testsuite/30_threads/thread/cons/2.cc: Likewise.
2876         * testsuite/30_threads/thread/cons/3.cc: Likewise.
2877         * testsuite/30_threads/thread/cons/4.cc: Likewise.
2878         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
2879         * testsuite/30_threads/thread/cons/5.cc: Likewise.
2880         * testsuite/30_threads/thread/cons/6.cc: Likewise.
2881         * testsuite/30_threads/thread/cons/7.cc: Likewise.
2882         * testsuite/30_threads/thread/cons/8.cc: Likewise.
2883         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
2884         * testsuite/30_threads/thread/cons/9.cc: Likewise.
2885         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
2886         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
2887         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
2888         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
2889         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
2890         * testsuite/30_threads/thread/id/operators.cc: Likewise.
2891         * testsuite/30_threads/thread/members/1.cc: Likewise.
2892         * testsuite/30_threads/thread/members/2.cc: Likewise.
2893         * testsuite/30_threads/thread/members/3.cc: Likewise.
2894         * testsuite/30_threads/thread/members/4.cc: Likewise.
2895         * testsuite/30_threads/thread/members/5.cc: Likewise.
2896         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
2897         Likewise.
2898         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
2899         * testsuite/30_threads/thread/swap/1.cc: Likewise.
2900         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
2901         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
2902         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
2903         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
2904         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
2905         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
2906         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
2907         Likewise.
2908         * testsuite/30_threads/timed_mutex/requirements/
2909         standard_layout.cc: Likewise.
2910         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
2911         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
2912         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
2913         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
2914         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
2915         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
2916         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
2917         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
2918         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
2919         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
2920         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
2921         * testsuite/30_threads/try_lock/1.cc: Likewise.
2922         * testsuite/30_threads/try_lock/2.cc: Likewise.
2923         * testsuite/30_threads/try_lock/3.cc: Likewise.
2924         * testsuite/30_threads/try_lock/4.cc: Likewise.
2925         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
2926         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
2927         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
2928         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
2929         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
2930         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
2931         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
2932         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
2933         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
2934         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
2935         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
2936         * testsuite/30_threads/unique_lock/requirements/
2937         explicit_instantiation.cc: Likewise.
2938         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
2939
2940         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
2941         directive.
2942         * testsuite/30_threads/async/49668.cc: Likewise.
2943         * testsuite/30_threads/async/54297.cc: Likewise.
2944         * testsuite/30_threads/async/84532.cc: Likewise.
2945         * testsuite/30_threads/async/any.cc: Likewise.
2946         * testsuite/30_threads/async/async.cc: Likewise.
2947         * testsuite/30_threads/async/except.cc: Likewise.
2948         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
2949         * testsuite/30_threads/async/launch.cc: Likewise.
2950         * testsuite/30_threads/async/lwg2021.cc: Likewise.
2951         * testsuite/30_threads/async/sync.cc: Likewise.
2952         * testsuite/30_threads/call_once/39909.cc: Likewise.
2953         * testsuite/30_threads/call_once/49668.cc: Likewise.
2954         * testsuite/30_threads/call_once/60497.cc: Likewise.
2955         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
2956         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
2957         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
2958         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
2959         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
2960         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
2961         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
2962         Likewise.
2963         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
2964         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
2965         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
2966         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
2967         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
2968         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
2969         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
2970         Likewise.
2971         * testsuite/30_threads/condition_variable/requirements/
2972         standard_layout.cc: Likewise.
2973         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
2974         * Likewise.
2975         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
2976         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
2977         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
2978         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
2979         Likewise.
2980         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
2981         Likewise.
2982         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
2983         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
2984         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
2985         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
2986         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
2987         * testsuite/30_threads/future/cons/default.cc: Likewise.
2988         * testsuite/30_threads/future/cons/move.cc: Likewise.
2989         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
2990         * testsuite/30_threads/future/members/45133.cc: Likewise.
2991         * testsuite/30_threads/future/members/get.cc: Likewise.
2992         * testsuite/30_threads/future/members/get2.cc: Likewise.
2993         * testsuite/30_threads/future/members/share.cc: Likewise.
2994         * testsuite/30_threads/future/members/valid.cc: Likewise.
2995         * testsuite/30_threads/future/members/wait.cc: Likewise.
2996         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
2997         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
2998         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
2999         Likewise.
3000         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
3001         Likewise.
3002         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
3003         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
3004         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
3005         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
3006         * testsuite/30_threads/lock/1.cc: Likewise.
3007         * testsuite/30_threads/lock/2.cc: Likewise.
3008         * testsuite/30_threads/lock/3.cc: Likewise.
3009         * testsuite/30_threads/lock/4.cc: Likewise.
3010         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
3011         * testsuite/30_threads/lock_guard/requirements/
3012         explicit_instantiation.cc: Likewise.
3013         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
3014         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
3015         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
3016         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
3017         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
3018         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
3019         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
3020         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
3021         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
3022         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
3023         Likewise.
3024         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
3025         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
3026         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
3027         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
3028         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
3029         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
3030         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
3031         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
3032         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
3033         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
3034         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
3035         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
3036         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
3037         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
3038         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
3039         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
3040         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
3041         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
3042         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
3043         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
3044         Likewise.
3045         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
3046         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
3047         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
3048         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
3049         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
3050         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
3051         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
3052         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
3053         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
3054         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
3055         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
3056         * testsuite/30_threads/packaged_task/requirements/
3057         explicit_instantiation.cc: Likewise.
3058         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
3059         * testsuite/30_threads/promise/60966.cc: Likewise.
3060         * testsuite/30_threads/promise/69106.cc: Likewise.
3061         * testsuite/30_threads/promise/cons/1.cc: Likewise.
3062         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
3063         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
3064         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
3065         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
3066         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
3067         * testsuite/30_threads/promise/cons/move.cc: Likewise.
3068         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
3069         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
3070         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
3071         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
3072         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
3073         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
3074         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
3075         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
3076         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
3077         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
3078         * testsuite/30_threads/promise/members/swap.cc: Likewise.
3079         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
3080         * Likewise.
3081         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
3082
3083         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
3084         from namespace std.
3085         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
3086         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
3087         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
3088         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
3089         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
3090         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
3091         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
3092         * testsuite/20_util/duration/cons/1.cc: Likewise.
3093         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
3094         * testsuite/20_util/duration/cons/2.cc: Likewise.
3095         * testsuite/20_util/duration/cons/54025.cc: Likewise.
3096         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
3097         * testsuite/20_util/duration/requirements/explicit_instantiation/
3098         explicit_instantiation.cc: Likewise.
3099         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3100         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3101         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3102         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
3103         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
3104         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
3105         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
3106         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
3107         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
3108         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
3109         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
3110         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
3111         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
3112         * testsuite/20_util/system_clock/1.cc: Likewise.
3113         * testsuite/20_util/time_point/1.cc: Likewise.
3114         * testsuite/20_util/time_point/2.cc: Likewise.
3115         * testsuite/20_util/time_point/3.cc: Likewise.
3116         * testsuite/20_util/time_point/requirements/explicit_instantiation/
3117         explicit_instantiation.cc: Likewise.
3118         * testsuite/21_strings/basic_string/requirements/
3119         explicit_instantiation/char16_t/1.cc: Likewise.
3120         * testsuite/21_strings/basic_string/requirements/
3121         explicit_instantiation/char32_t/1.cc: Likewise.
3122         * testsuite/21_strings/basic_string_view/requirements/
3123         explicit_instantiation/char16_t/1.cc: Likewise.
3124         * testsuite/21_strings/basic_string_view/requirements/
3125         explicit_instantiation/char32_t/1.cc: Likewise.
3126         * testsuite/21_strings/char_traits/requirements/
3127         explicit_instantiation/char16_t/1.cc: Likewise.
3128         * testsuite/21_strings/char_traits/requirements/
3129         explicit_instantiation/char32_t/1.cc: Likewise.
3130         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
3131         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
3132         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
3133         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
3134         Likewise.
3135         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
3136         Likewise.
3137         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
3138         Likewise.
3139         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
3140         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
3141         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
3142         Likewise.
3143         * testsuite/experimental/string_view/requirements/
3144         explicit_instantiation/char16_t/1.cc: Likewise.
3145         * testsuite/experimental/string_view/requirements/
3146         explicit_instantiation/char32_t/1.cc: Likewise.
3147         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
3148         1.cc: Likewise.
3149         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
3150         1.cc: Likewise.
3151
3152         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3153         (random_condition, throw_value_random, throw_allocator_random)
3154         (std::hash<throw_value_random>): Do not define when <tr1/random> is
3155         not usable.
3156         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
3157         define transactional memory support when <stdint.h> is not usable.
3158
3159         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
3160         implementation that doesn't depend on <stdint.h> types.
3161         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
3162         std::size_t when std::uintptr_t is not usable.
3163         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
3164         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
3165         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
3166
3167         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3168         (hash<u16string>, hash<u32string>): Remove dependency on
3169         _GLIBCXX_USE_C99_STDINT_TR1.
3170         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3171         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
3172         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
3173         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
3174         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3175         (codecvt<char16_t, char, mbstate_t>)
3176         (codecvt<char32_t, char, mbstate_t>)
3177         (codecvt_byname<char16_t, char, mbstate_t>)
3178         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
3179         on _GLIBCXX_USE_C99_STDINT_TR1.
3180         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3181         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
3182         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3183         (char_traits<char16_t>, char_traits<char32_t>)
3184         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
3185         on _GLIBCXX_USE_C99_STDINT_TR1.
3186         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
3187         (u16string_view, u32string_view, hash<u16string_view>)
3188         (hash<u32string_view>, operator""sv(const char16_t, size_t))
3189         (operator""sv(const char32_t, size_t)): Likewise.
3190         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3191         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
3192         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3193         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
3194         (__u32sso_string, __u32rc_string): Likewise.
3195         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
3196         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
3197         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
3198         (u16string_view, u32string_view, hash<u16string_view>)
3199         (hash<u32string_view>, operator""sv(const char16_t, size_t))
3200         (operator""sv(const char32_t, size_t)): Likewise.
3201         * src/c++11/codecvt.cc: Likewise.
3202         * src/c++98/locale_init.cc: Likewise.
3203         * src/c++98/localename.cc: Likewise.
3204
3205         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3206         (__atomic_futex_unsigned_base): Remove dependency on
3207         _GLIBCXX_USE_C99_STDINT_TR1 macro.
3208         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3209         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
3210         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
3211         (uintmax_t): Define using predefined macros.
3212         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
3213         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
3214         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
3215         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
3216         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
3217         long long when <stdint.h> is not usable.
3218         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
3219         (condition_variable, condition_variable_any): Remove dependency on
3220         _GLIBCXX_USE_C99_STDINT_TR1.
3221         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
3222         (packaged_task, async): Likewise.
3223         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
3224         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
3225         (once_flag, call_once): Likewise.
3226         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
3227         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
3228         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
3229         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
3230         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
3231         (this_thread::sleep_until): Likewise.
3232         * src/c++11/chrono.cc: Remove dependency on
3233         _GLIBCXX_USE_C99_STDINT_TR1 macro.
3234         * src/c++11/condition_variable.cc: Likewise.
3235         * src/c++11/futex.cc: Likewise.
3236         * src/c++11/future.cc: Likewise.
3237         * src/c++11/mutex.cc: Likewise.
3238         * src/c++11/thread.cc: Likewise.
3239         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
3240         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3241         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3242         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3243         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
3244         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
3245
3246 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3247
3248         PR libstdc++/77691
3249         * testsuite/experimental/memory_resource/new_delete_resource.cc:
3250         xfail execution on 32-bit Solaris/x86.
3251
3252 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
3253
3254         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
3255         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
3256         (vector::_M_move_assign): Reorder the swaps.
3257
3258 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
3259
3260         PR libstdc++/86676
3261         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
3262         same alignment for post-release allocation.
3263
3264 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
3265
3266         PR libstdc++/86676
3267         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
3268         buffer being misaligned and so returned pointer not being at start.
3269
3270         * include/experimental/memory_resource: Include <cstddef> header.
3271
3272         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
3273         * src/Makefile.am: Add comment.
3274         * src/c++17/Makefile.in: Regenerate.
3275
3276         * include/Makefile.am: Add new <bits/unique_lock.h> header.
3277         * include/Makefile.in: Regenerate.
3278         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
3279         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
3280         (unique_lock): Move definition to ...
3281         * include/bits/unique_lock.h: New header.
3282         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
3283         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
3284         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
3285         (unique_lock::try_lock_for): Define only when <chrono> is usable.
3286         * include/std/condition_variable: Include <bits/unique_lock.h>.
3287         * include/std/mutex: Likewise.
3288
3289 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
3290
3291         * config/abi/pre/gnu.ver: Export new symbols.
3292         * configure: Regenerate.
3293         * include/Makefile.am: Add new <memory_resource> header.
3294         * include/Makefile.in: Regenerate.
3295         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
3296         * include/std/memory_resource: New header.
3297         (memory_resource, polymorphic_allocator, new_delete_resource)
3298         (null_memory_resource, set_default_resource, get_default_resource)
3299         (pool_options, monotonic_buffer_resource): Define.
3300         * src/Makefile.am: Add c++17 directory.
3301         * src/Makefile.in: Regenerate.
3302         * src/c++11/Makefile.am: Fix comment.
3303         * src/c++17/Makefile.am: Add makefile for new sub-directory.
3304         * src/c++17/Makefile.in: Generate.
3305         * src/c++17/memory_resource.cc: New.
3306         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
3307         (default_res, new_delete_resource, null_memory_resource)
3308         (set_default_resource, get_default_resource): Define.
3309         * testsuite/20_util/memory_resource/1.cc: New test.
3310         * testsuite/20_util/memory_resource/2.cc: New test.
3311         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
3312         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
3313         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
3314         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
3315         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
3316         New test.
3317         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
3318         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
3319         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
3320         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
3321         Define concrete memory resource for testing.
3322         (__gnu_test::default_resource_mgr): Define RAII helper for changing
3323         default resource.
3324
3325         PR libstdc++/86658
3326         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
3327         parameter by reference, to avoid copying invalid iterators.
3328         * testsuite/25_algorithms/copy/86658.cc: New test.
3329
3330         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
3331         local variables for number of digits instead of type aliases.
3332         (__log2p1): Remove redundant branch also checked in __countl_zero.
3333
3334         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
3335         conditions. Add comments.
3336         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
3337         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
3338         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
3339
3340         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
3341         (__uses_allocator_helper): Check conditions directly instead of
3342         using __is_erased_or_convertible.
3343
3344         * include/experimental/memory_resource: Adjust comments and
3345         whitespace.
3346         (__resource_adaptor_imp): Add second template parameter for type of
3347         memory resource base class.
3348         (memory_resource): Define default constructor, destructor, copy
3349         constructor and copy assignment operator as defaulted.
3350
3351         PR libstdc++/70966
3352         * include/experimental/memory_resource (__get_default_resource): Use
3353         placement new to create an object with dynamic storage duration.
3354
3355 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
3356
3357         PR libstdc++/70940
3358         * include/experimental/memory_resource
3359         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
3360         (__resource_adaptor_common::__guaranteed_alignment): New helper to
3361         give maximum alignment an allocator guarantees. Specialize for known
3362         allocators using new and malloc.
3363         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
3364         (__resource_adaptor_imp::do_deallocate): Likewise.
3365         * testsuite/experimental/memory_resource/new_delete_resource.cc:
3366         Check that new and delete are called with expected sizes.
3367
3368 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
3369
3370         PR libstdc++/86595
3371         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
3372         noexcept.
3373
3374 2018-07-20  Fangrui Song  <maskray@google.com>
3375
3376         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
3377         _GLIBCXX_VISIBILITY(default).
3378
3379 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
3380
3381         PR libstdc++/86603
3382         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
3383
3384 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
3385
3386         * include/std/type_traits (__is_member_object_pointer_helper): Use
3387         __not_<is_function<_Tp>>::type instead of integral_constant.
3388         (__is_member_function_pointer_helper): Likewise for
3389         is_function<_Tp>::type.
3390         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
3391         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
3392         (is_trivially_constructible): Remove redundant use of
3393         is_constructible.
3394         (__is_trivially_copy_assignable_impl): Remove redundant use of
3395         is_copy_assignable.
3396         (__is_trivially_move_assignable_impl): Remove redundant use of
3397         is_move_assignable.
3398         (is_trivially_destructible): Use __bool_constant.
3399         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
3400         tests for scalar types.
3401
3402 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
3403
3404         * include/bits/stl_algobase.h (__copy_move_a): Used
3405         __is_trivially_copyable.
3406         (__copy_move_backward_a): Likewise.
3407         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
3408         New test.
3409
3410 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
3411
3412         PR libstdc++/86450
3413         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
3414         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
3415         * configure: Regenerate.
3416         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
3417         * doc/Makefile.in: Regenerate.
3418         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
3419         * include/Makefile.in: Regenerate.
3420         * libsupc++/Makefile.in: Regenerate.
3421         * po/Makefile.in: Regenerate.
3422         * python/Makefile.in: Regenerate.
3423         * src/Makefile.in: Regenerate.
3424         * src/c++11/Makefile.in: Regenerate.
3425         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
3426         from -Wabi=2 that don't affect exported symbols.
3427         * src/c++98/Makefile.in: Regenerate.
3428         * src/filesystem/Makefile.in: Regenerate.
3429         * testsuite/Makefile.in: Regenerate.
3430
3431         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
3432         (_Async_state_common::_M_join): Simplify use of std::call_once and
3433         corresponding explicit instantiation.
3434         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
3435         (__bind_simple): Remove definitions and explicit instantiation that
3436         are not required by exported symbols.
3437
3438 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
3439
3440         * scripts/create_testsuite_files: Fix typo in comment.
3441
3442         PR libstdc++/86537
3443         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
3444         non-standard partial specialization.
3445         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
3446         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
3447         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
3448
3449 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
3450
3451         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3452         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3453         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3454
3455 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
3456
3457         * include/debug/functions.h (__gnu_debug::__check_string): Move...
3458         * include/debug/string (__gnu_debug::__check_string): ... here.
3459         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
3460         (__glibcxx_check_string_n_constructor): New.
3461         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
3462         Use latter.
3463         (__glibcxx_check_string_constructor): New.
3464         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
3465         Use latter.
3466         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
3467         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
3468
3469 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
3470
3471         PR libstdc++/84928 use std::move in <numeric> algorithms
3472         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
3473         conditionally move, according to __cplusplus value.
3474         (accumulate, inner_product, partial_sum, adjacent_difference): Use
3475         _GLIBCXX_MOVE_IF_20.
3476         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
3477         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
3478         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
3479         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
3480
3481         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
3482
3483         P0935R0 Eradicating unnecessarily explicit default constructors
3484         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
3485         default constructor symbols.
3486         * include/std/sstream (basic_stringbuf, basic_istringstream)
3487         (basic_ostringstream, basic_stringstream): Remove default arguments
3488         from explicit constructors taking ios_base::openmode and add separate
3489         non-explicit default constructors.
3490         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
3491         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
3492         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
3493         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
3494         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
3495
3496         * include/std/variant (__accepted_index): Use void_t.
3497
3498 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
3499
3500         PR libstdc++/85831
3501         * config/abi/pre/gnu.ver: Export move constructors and move
3502         assignment operators for std::logic_error and std::runtime_error.
3503         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
3504         _GLIBCXX_USE_NOEXCEPT.
3505         (logic_error, runtime_error): Declare move constructors and move
3506         assignment operators. When not declared already, define copy
3507         constructors and copy assignment operators as explicit-defaulted.
3508         (domain_error, invalid_argument, length_error, out_of_range)
3509         (overflow_error, underflow_error): Define move constructors and move
3510         assignment operators as explicitly-defaulted.
3511         * libsupc++/exception.h (exception): Likewise.
3512         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
3513         move constructors and move assignment operators as defaulted.
3514         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
3515         assignment operators are defined.
3516
3517         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
3518         COW strings.
3519         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3520         Likewise.
3521         * testsuite/21_strings/basic_string/requirements/
3522         explicit_instantiation/debug.cc: Likewise.
3523
3524         PR libstdc++/58265
3525         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3526         (basic_string::assign(basic_string&&)): Add conditional noexcept
3527         depending on the allocator's is_always_equal property (LWG 2063).
3528         * testsuite/21_strings/basic_string/modifiers/assign/char/
3529         move_assign.cc: Check for non-throwing exception specification.
3530         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
3531         move_assign.cc: Likewise.
3532
3533         PR libstdc++/58265
3534         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3535         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
3536         Add GLIBCXX_NOEXCEPT.
3537         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
3538         to depend on the allocator's is_always_equal property (LWG 2063).
3539         (basic_string::swap(basic_string&)): Likewise.
3540         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
3541         (basic_string::swap(basic_string&)): Likewise.
3542         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
3543         Check is_nothrow_move_assignable.
3544         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
3545         Check is_nothrow_move_assignable.
3546         * testsuite/21_strings/basic_string/cons/char/
3547         noexcept_move_construct.cc: Likewise.
3548         * testsuite/21_strings/basic_string/cons/wchar_t/
3549         noexcept_move_construct.cc: Likewise.
3550
3551 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3552
3553         P0646R1 Improving the Return Value of Erase-Like Algorithms I
3554         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
3555         Define.
3556         (forward_list::__remove_return_type): Define typedef as size_type or
3557         void, according to __cplusplus value.
3558         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
3559         empty, according to __cplusplus value.
3560         (forward_list::remove, forward_list::unique): Use typedef and macro
3561         to change return type and add abi-tag for C++2a.
3562         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
3563         typedef to change return type for C++2a.
3564         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
3565         (forward_list::remove, forward_list::remove_if<Pred>)
3566         (forward_list::unique<BinPred>): Return number of removed elements
3567         for C++2a.
3568         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
3569         (list::remove, list::unique, list::remove_if<Predicate>)
3570         (list::unique<BinaryPredicate>): Return number of removed elements
3571         for C++2a.
3572         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
3573         (list::__remove_return_type): Define typedef as size_type or
3574         void, according to __cplusplus value.
3575         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
3576         empty, according to __cplusplus value.
3577         (list::remove, list::unique): Use typedef and macro to change return
3578         type and add abi-tag for C++2a.
3579         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
3580         typedef to change return type for C++2a.
3581         * include/std/version (__cpp_lib_list_remove_return_type): Define.
3582         * testsuite/23_containers/forward_list/operations/
3583         remove_cxx20_return.cc: New.
3584         * testsuite/23_containers/forward_list/operations/
3585         unique_cxx20_return.cc: New.
3586
3587         P0458R2 Checking for Existence of an Element in Associative Containers
3588         * include/bits/stl_map.h (map::contains): Add for C++2a.
3589         * include/bits/stl_multimap.h (multimap::contains): Likewise.
3590         * include/bits/stl_multiset.h (multiset::contains): Likewise.
3591         * include/bits/stl_set.h (set::contains): Likewise.
3592         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
3593         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
3594         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
3595         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
3596         * include/bits/unordered_map.h (unordered_map::contains)
3597         (unordered_multimap::contains): Add for C++2a.
3598         * include/bits/unordered_set.h (unordered_set::contains)
3599         (unordered_multiset::contains): Likewise.
3600         * testsuite/23_containers/map/operations/contains.cc: New.
3601         * testsuite/23_containers/multimap/operations/contains.cc: New.
3602         * testsuite/23_containers/multiset/operations/contains.cc: New.
3603         * testsuite/23_containers/set/operations/contains.cc: New.
3604         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
3605         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
3606         New.
3607         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
3608         New.
3609         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
3610
3611 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
3612
3613         PR libstdc++/86272
3614         * include/debug/string
3615         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
3616         Use __glibcxx_check_insert_range.
3617         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
3618         __gnu_debug::string when _GLIBCXX_DEBUG.
3619         * 21_strings/basic_string/init-list.cc: Likewise.
3620         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
3621         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
3622         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
3623         * 21_strings/basic_string/types/1.cc: Likewise.
3624
3625 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3626
3627         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
3628         target for std::random_device.
3629         * testsuite/26_numerics/random/random_device/cons/default.cc:
3630         Likewise.
3631         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
3632         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3633         * testsuite/experimental/random/randint.cc: Likewise.
3634         * testsuite/lib/libstdc++.exp
3635         (check_effective_target_random_device): New proc.
3636
3637 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3638             Jakub Jelinek  <jakub@redhat.com>
3639
3640         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
3641
3642 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3643
3644         PR libstdc++/86398
3645         * include/std/type_traits (is_trivially_constructible): Check
3646         is_constructible before __is_trivially_constructible.
3647         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
3648         tests, including negative cases.
3649         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
3650         zero for dg-error lineno.
3651         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
3652         Likewise.
3653
3654         * include/std/bit (__rotl, __rotr): Avoid branch.
3655         (_If_is_unsigned_integer): Use remove_cv_t.
3656         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
3657
3658 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
3659
3660         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
3661         * include/Makefile.am: Add new header.
3662         * include/Makefile.in: Regenerate.
3663         * include/precompiled/stdc++.h: Include new header.
3664         * include/std/bit: New header.
3665         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
3666         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
3667         Define for C++14.
3668         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
3669         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
3670         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
3671         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
3672         std::byte.
3673         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
3674         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
3675         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
3676         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
3677         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
3678         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
3679         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
3680         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
3681         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
3682         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
3683
3684         * include/bits/alloc_traits.h: Remove redundant preprocessor
3685         condition.
3686
3687 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
3688
3689         * include/bits/stl_algobase.h (__niter_wrap): New.
3690         (__copy_move_a2(_II, _II, _OI)): Use latter.
3691         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
3692         (fill_n(_OI, _Size, const _Tp&)): Likewise.
3693         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
3694         * include/debug/stl_iterator.h
3695         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
3696         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
3697         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
3698         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
3699
3700 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
3701
3702         P0758R1 Implicit conversion traits
3703         * include/std/type_traits [__cplusplus > 201703]
3704         (__is_convertible_helper::__is_nothrow_type): Define new member.
3705         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
3706         noexcept.
3707         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
3708         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
3709         new members.
3710         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
3711         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
3712         * testsuite/20_util/is_nothrow_convertible/requirements/
3713         explicit_instantiation.cc: New.
3714         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
3715         New.
3716
3717         P0887R1 The identity metafunction
3718         * include/std/type_traits (type_identity, type_identity_t): Define
3719         for C++2a.
3720         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
3721         * testsuite/20_util/type_identity/requirements/
3722         explicit_instantiation.cc:New.
3723         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
3724
3725         * include/bits/regex.h (sub_match::operator string_type): Call str().
3726         (sub_match::compare): Use _M_str() instead of str().
3727         (sub_match::_M_compare): New public function.
3728         (sub_match::__string_view): New helper type.
3729         (sub_match::_M_str): New overloaded functions to avoid creating a
3730         string_type object when not needed.
3731         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
3732         Use sub_match::_M_compare instead of creating string_type objects.
3733         Fix Doxygen comments.
3734         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
3735         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
3736         simplify.
3737         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
3738         __enable_if_t.
3739         * include/std/type_traits (__enable_if_t): Define for C++11.
3740         * testsuite/28_regex/sub_match/compare.cc: New.
3741         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
3742         trait.
3743         (input_iterator_wrapper): Use remove_cv for value_type argument of
3744         std::iterator base class.
3745
3746 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
3747
3748         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
3749         Add whitespace to dejagnu directive.
3750         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
3751
3752 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
3753
3754         * include/bits/stl_vector.h
3755         (struct _Vector_base<>::_Vector_impl_data): New.
3756         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
3757         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
3758         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
3759         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
3760         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
3761         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
3762         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
3763         (_Vector_base()): Default.
3764         (_Vector_base(_Vector_base&&)): Default.
3765         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
3766         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
3767         (_Vector_base::_M_create_storage(size_t)): Make protected.
3768         (vector()): Default.
3769         (vector(vector&&)): Default.
3770         (vector(vector&&, const allocator_type&, true_type)): New.
3771         (vector(vector&&, const allocator_type&, false_type)): New.
3772         (vector(vector&&, const allocator_type&)): Use latters.
3773         (vector(_InputIte, _InputIte, const allocator_type&)): Call
3774         _M_range_initialize directly.
3775         * include/debug/vector
3776         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
3777         * testsuite/23_containers/vector/allocator/default_init.cc: New.
3778         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
3779         static assertions.
3780
3781 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
3782
3783         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
3784         (__is_byte<byte>): Define specialization for std::byte.
3785
3786         PR libstdc++/86138
3787         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
3788         Declare explicit instantiations of COW empty reps and I/O functions.
3789
3790 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
3791
3792         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
3793         directives.
3794         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3795
3796 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
3797
3798         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
3799         noexcept.
3800
3801 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
3802
3803         PR libstdc++/86112
3804         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3805         Replace dict comprehension.
3806
3807         PR libstdc++/81092
3808         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3809
3810         PR libstdc++/86292
3811         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
3812         Add try-catch block.
3813         * testsuite/23_containers/vector/cons/86292.cc: New.
3814
3815         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
3816
3817         * include/experimental/algorithm (sample, shuffle): Add new overloads
3818         using per-thread random number engine.
3819         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
3820         dependencies by using __gnu_test::test_container.
3821         * testsuite/experimental/algorithm/sample-2.cc: New.
3822         * testsuite/experimental/algorithm/shuffle.cc: New.
3823
3824 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
3825
3826         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
3827         different size_t mangling on 32-bit targets.
3828
3829         PR libstdc++/86280
3830         * include/experimental/memory_resource
3831         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
3832         enough for result of left shift.
3833
3834         PR libstdc++/86138
3835         * include/bits/basic_string.tcc:
3836         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
3837         (basic_string<char>::_Rep::_S_empty_rep_storage)
3838         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
3839         instantiation declarations.
3840         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
3841         explicit instantiation declarations.
3842         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
3843         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
3844
3845 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
3846
3847         PR libstdc++/83328
3848         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
3849         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
3850         * configure: Regenerate.
3851         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3852         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
3853         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
3854         (basic_string::insert(iterator, initializer_list<C>)): Suppress
3855         definition.
3856         * include/debug/string (basic_string::insert(iterator, C)): Change
3857         first parameter to const_iterator.
3858         (basic_string::insert(iterator, size_type, C)): Likewise. Change
3859         return type to iterator.
3860         (basic_string::insert(iterator, InputIterator, InputIterator)):
3861         Likewise.
3862         (basic_string::insert(iterator, initializer_list<C>)): Change first
3863         parameter to const_iterator and return type to iterator.
3864         * src/c++11/string-inst.cc: Extend comment.
3865         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
3866         New.
3867         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
3868         New.
3869         * testsuite/util/testsuite_abi.cc: Add new symbol version.
3870
3871         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3872
3873         PR libstdc++/70940
3874         * include/experimental/memory_resource
3875         (__resource_adaptor_imp::do_deallocate): Add missing return.
3876         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
3877         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3878         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
3879         __gnu_cxx::malloc_allocator.
3880
3881         PR libstdc++/70940
3882         * include/experimental/memory_resource (__resource_adaptor_common):
3883         New base class.
3884         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
3885         pointer from unaligned, and vice versa.
3886         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
3887         allocated pointer to meet alignment request.
3888         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
3889         original pointer for deallocation.
3890         (__resource_adaptor_imp::do_is_equal): Reformat.
3891         (__resource_adaptor_imp::_S_aligned_size): Remove.
3892         (__resource_adaptor_imp::_S_supported): Remove.
3893         (new_delete_resource): Use __gnu_cxx::new_allocator.
3894         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3895         extended alignments and use debug_allocator to check for matching
3896         allocate/deallocate pairs.
3897
3898 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
3899
3900         * include/debug/safe_iterator.h
3901         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
3902         Compare __x base iterator with a value-initialized iterator of the
3903         same type.
3904
3905 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
3906
3907         PR libstdc++/70966
3908         * include/experimental/memory_resource (__resource_adaptor_imp): Add
3909         static assertions to enforce requirements on pointer types.
3910         (__resource_adaptor_imp::get_allocator()): Add noexcept.
3911         (new_delete_resource, null_memory_resource): Return address of an
3912         object with dynamic storage duration.
3913         (__null_memory_resource): Remove.
3914         * testsuite/experimental/memory_resource/70966.cc: New.
3915
3916         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
3917         missed from recent commit.
3918
3919 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
3920
3921         * include/std/utility: Remove unused <exception> header.
3922
3923 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
3924
3925         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
3926         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
3927         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
3928         a specialization of std::pair.
3929         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
3930         pair elements are constructed correctly.
3931
3932         LWG 2989 hide path iostream operators from normal lookup
3933         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
3934         friends.
3935         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
3936
3937         LWG 3050 Fix cv-qualification of convertibility constraints
3938         * include/std/chrono (duration, operator*, operator/, operator%): Use
3939         const-qualified type as source type in is_convertible constraints.
3940         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
3941         * testsuite/20_util/duration/cons/dr3050.cc: New.
3942         * testsuite/20_util/duration/literals/range.cc: Rename to...
3943         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
3944         dg-error lineno.
3945
3946 2018-06-18  Maya Rashish  <coypu@sdf.org>
3947
3948         * crossconfig.m4: Handle OpenBSD just like NetBSD.
3949         * configure: Rebuilt.
3950
3951 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
3952
3953         P0754R2 <version> header
3954         * include/Makefile.am: Add new header.
3955         * include/Makefile.in: Regenerate.
3956         * include/bits/c++config: Change doxygen comment to suggest <version>
3957         instead of <iosfwd>.
3958         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
3959         unconditionally.  Add C++17 and C++20 headers.
3960         * include/std/version: New header.
3961         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
3962         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
3963         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
3964         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
3965         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
3966         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
3967         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
3968         New.
3969         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
3970         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
3971         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
3972         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
3973         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
3974         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
3975         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
3976         New.
3977         * testsuite/18_support/headers/version/macros.cc: New.
3978         * testsuite/18_support/headers/version/macros.cc: New.
3979
3980         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
3981         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
3982         symlink.
3983         * config.h.in: Regenerate.
3984         * configure: Regenerate.
3985         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
3986
3987         LWG 3035. std::allocator's constructors should be constexpr
3988         * include/bits/allocator.h (allocator): Add constexpr to constructors
3989         for C++2a. Replace dynamic exception specifications with NOTHROW
3990         macro.
3991         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
3992         NOTHROW.
3993         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
3994         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
3995         to constructors for C++2a.
3996         * include/ext/new_allocator.h (new_allocator): Likewise.
3997
3998 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
3999
4000         LWG 3076 basic_string CTAD ambiguity
4001         * doc/xml/manual/intro.xml: Document LWG 3076 change.
4002         * include/bits/basic_string.h
4003         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
4004         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
4005         template constrained by _RequireAllocator.
4006         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
4007         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
4008         Define.
4009         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
4010         deduction
4011         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
4012         Likewise.
4013
4014 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
4015
4016         PR libstdc++/86169
4017         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
4018         (basic_string::data()): Unshare string.
4019         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
4020         New.
4021
4022         * include/std/string_view (basic_string_view(const CharT*)): Remove
4023         check for null pointer and add nonnull attribute.
4024         (compare(const CharT*), compare(size_type, size_type, const CharT*))
4025         (find(const CharT*, size_type), rfind(const CharT*, size_type))
4026         (find_first_of(const CharT*, size_type))
4027         (find_last_of(const CharT*, size_type))
4028         (find_first_not_of(const CharT*, size_type))
4029         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
4030         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
4031         * testsuite/21_strings/basic_string_view/operations/compare/char/
4032         nonnull.cc: New.
4033         * testsuite/21_strings/basic_string_view/operations/find/char/
4034         nonnull.cc: New.
4035         * testsuite/21_strings/basic_string_view/operations/rfind/char/
4036         nonnull.cc: New.
4037
4038         PR libstdc++/86168
4039         * include/bits/random.h (random_device(const string&)): Remove
4040         default argument.
4041
4042         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
4043         define for C++17 and above.
4044
4045         LWG 2993 reference_wrapper<T> conversion from T&&
4046         * doc/xml/manual/intro.xml: Document LWG 2993 change.
4047         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
4048         (reference_wrapper(_Tp&&)): Remove.
4049         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
4050         template.
4051         (reference_wrapper): Add deduction guide.
4052         * testsuite/20_util/reference_wrapper/deduction.cc: New.
4053         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
4054
4055         LWG 3039 Unnecessary decay in thread and packaged_task
4056         * include/std/future (__constrain_pkgdtask): Replace with ...
4057         (packaged_task::__not_same): New alias template, using
4058         __remove_cvref_t instead of decay.
4059         * include/std/thread (thread::__not_same): Add comment.
4060
4061 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
4062
4063         LWG 3075 basic_string needs deduction guides from basic_string_view
4064         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
4065         deduction from string views.
4066         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
4067         Likewise.
4068
4069         LWG 3074 make scalar types non-deduced in valarray non-member functions
4070         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
4071         scalar parameters to be a non-deduced context.
4072         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
4073         whitespace.
4074         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
4075         * testsuite/26_numerics/valarray/transcend.cc: New.
4076
4077         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
4078         Move back to <utility>.
4079         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
4080         Restore to here.
4081
4082         P0935R0 Eradicating unnecessarily explicit default constructors
4083         * include/backward/strstream (strstreambuf): Add non-explicit default
4084         constructor.
4085         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
4086         Likewise.
4087         * include/bits/regex.h (match_results): Likewise.
4088         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
4089         default constructor.
4090         * testsuite/22_locale/conversions/string/1.cc: Likewise.
4091         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
4092         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
4093
4094         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
4095         macro from <utility> and change type to long.
4096         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
4097         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
4098         macro.
4099
4100         P0935R0 Eradicating unnecessarily explicit default constructors
4101         * include/bits/random.h (uniform_real_distribution::param_type)
4102         (normal_distribution::param_type, lognormal_distribution::param_type)
4103         (gamma_distribution::param_type, chi_squared_distribution::param_type)
4104         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
4105         (student_t_distribution::param_type)
4106         (bernoulli_distribution::param_type)
4107         (binomial_distribution::param_type)
4108         (geometric_distribution::param_type)
4109         (negative_binomial_distribution::param_type)
4110         (poisson_distribution::param_type)
4111         (exponential_distribution::param_type)
4112         (weibull_distribution::param_type)
4113         (extreme_value_distribution::param_type): Add non-explicit default
4114         constructors. Remove default argument for first parameter of explicit
4115         constructors.
4116         * include/bits/uniform_int_dist.h
4117         (uniform_int_distribution::param_type): Likewise.
4118         * include/ext/random
4119         (beta_distribution::param_type, rice_distribution::param_type)
4120         (nakagami_distribution::param_type, pareto_distribution::param_type)
4121         (k_distribution::param_type, arcsine_distribution::param_type)
4122         (hoyt_distribution::param_type, triangular_distribution::param_type)
4123         (von_mises_distribution::param_type)
4124         (hypergeometric_distribution::param_type)
4125         (logistic_distribution::param_type)
4126         (uniform_inside_sphere_distribution::param_type): Likewise.
4127         (uniform_on_sphere_distribution::param_type): Make default constructor
4128         non-explicit.
4129         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
4130         Test param_type for non-explicit default constructor.
4131         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
4132         Likewise.
4133         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
4134         Likewise.
4135         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
4136         Likewise.
4137         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
4138         Likewise.
4139         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
4140         Likewise.
4141         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
4142         Likewise.
4143         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
4144         Likewise.
4145         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
4146         Likewise.
4147         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
4148         Likewise.
4149         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
4150         Likewise.
4151         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
4152         Likewise.
4153         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
4154         Likewise.
4155         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
4156         Likewise.
4157         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
4158         Likewise.
4159         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
4160         Likewise.
4161         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
4162         Likewise.
4163         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
4164         Likewise.
4165         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
4166         Likewise.
4167         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
4168         Likewise.
4169         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
4170         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
4171         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
4172         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
4173         Likewise.
4174         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
4175         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
4176         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
4177         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
4178         Likewise.
4179         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
4180         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
4181         * testsuite/ext/random/triangular_distribution/cons/default.cc:
4182         Likewise.
4183         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
4184         Likewise.
4185         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
4186         Likewise.
4187         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
4188         Likewise.
4189
4190 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
4191             Jonathan Wakely  <jwakely@redhat.com>
4192
4193         PR libstdc++/83982
4194         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
4195         Default-construct new elements before moving existing ones.
4196         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
4197         New.
4198
4199 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
4200
4201         PR libstdc++/86127
4202         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
4203         unused typedef.
4204         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
4205         Use node allocator to create and destroy elements.
4206         (forward_list::_Tp_alloc_type): Remove unused typedef.
4207         (forward_list::_Alloc_traits): Use allocator_traits instead of
4208         __gnu_cxx::__alloc_traits.
4209
4210 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
4211
4212         * include/debug/helper_functions.h
4213         (__gnu_debug::_Safe_iterator<>): Add declaration.
4214         (__can_advance(_Ite, _Size)): New.
4215         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
4216         * include/debug/functions.h
4217         (__gnu_debug::_Safe_iterator<>): Remove declaration.
4218         * include/debug/stl_iterator.h
4219         (__can_advance(const _Safe_iterator<>&)): New definition.
4220         * include/debug/stl_iterator.h
4221         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
4222         (__can_advance(const std::move_iterator<>&, _Size)): New.
4223         * include/debug/macros.h (__glibcxx_check_can_increment): New.
4224         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
4225         * include/bits/stl_algobase.h (fill_n): Use latter.
4226         * testsuite/25_algorithms/fill_n/2.cc: New.
4227         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
4228         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
4229         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
4230         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
4231
4232         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
4233         (__glibcxx_requires_can_decrement_range): New.
4234
4235 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
4236
4237         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
4238         (__glibcxx_check_can_decrement_range): New.
4239         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
4240         __glibcxx_requires_can_increment_range.
4241         (std::move(_II, _II, _OI)): Likewise.
4242         (std::copy_backward(_BI, _BI, _BI2)): Use
4243         __glibcxx_requires_can_decrement_range.
4244         (std::move_backward(_BI, _BI, _BI2)): Likewise.
4245         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
4246         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
4247         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
4248         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
4249         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
4250         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
4251
4252 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
4253
4254         P0935R0 Eradicating unnecessarily explicit default constructors
4255         * include/bits/random.h (linear_congruential_engine)
4256         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
4257         (uniform_real_distribution, normal_distribution)
4258         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
4259         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
4260         (bernoulli_distribution, binomial_distribution,geometric_distribution)
4261         (negative_binomial_distribution, exponential_distribution)
4262         (weibull_distribution, extreme_value_distribution): Add non-explicit
4263         default constructors. Remove default argument for first parameter of
4264         explicit constructors.
4265         (piecewise_constant_distribution, piecewise_linear_distribution):
4266         Make default constructor non-explicit.
4267         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
4268         non-explicit default constructors. Remove default argument for first
4269         parameter of explicit constructor.
4270         * include/ext/random
4271         (simd_fast_mersenne_twister_engine, beta_distribution)
4272         (rice_distribution, nakagami_distribution, pareto_distribution)
4273         (k_distribution, arcsine_distribution, hoyt_distribution)
4274         (triangular_distribution, von_mises_distribution)
4275         (hypergeometric_distribution, logistic_distribution)
4276         (uniform_inside_sphere_distribution): Likewise.
4277         (uniform_on_sphere_distribution): Make default constructor
4278         non-explicit.
4279         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
4280         Test for non-explicit default constructor. Fix references to standard.
4281         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
4282         Likewise.
4283         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
4284         Likewise.
4285         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
4286         Likewise.
4287         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
4288         Likewise.
4289         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
4290         Likewise.
4291         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
4292         Likewise.
4293         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
4294         Likewise.
4295         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
4296         Likewise.
4297         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
4298         Likewise.
4299         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
4300         Likewise.
4301         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
4302         Likewise.
4303         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
4304         Likewise.
4305         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
4306         Likewise.
4307         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
4308         Likewise.
4309         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
4310         Likewise.
4311         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
4312         Likewise.
4313         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
4314         Likewise.
4315         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
4316         Likewise.
4317         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
4318         Likewise.
4319         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
4320         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
4321         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
4322         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
4323         Likewise.
4324         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
4325         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
4326         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
4327         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
4328         Likewise.
4329         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
4330         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
4331         * testsuite/ext/random/triangular_distribution/cons/default.cc:
4332         Likewise.
4333         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
4334         Likewise.
4335         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
4336         Likewise.
4337         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
4338         Likewise.
4339         * testsuite/util/testsuite_common_types.h
4340         (implicitly_default_constructible): New helper.
4341
4342 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
4343
4344         * include/bits/ios_base.h (ios::Init::Init(const Init&))
4345         (ios::Init::operator=): Define as defaulted.
4346         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
4347         Likewise.
4348         * include/bits/stream_iterator.h (istream_iterator::operator=)
4349         (ostream_iterator::operator=): Likewise.
4350         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
4351         Likewise.
4352         * include/std/bitset (bitset::reference::reference(const reference&)):
4353         Likewise.
4354         * include/std/complex (complex<float>::complex(const complex&))
4355         (complex<double>::complex(const complex&))
4356         (complex<long double>::complex(const complex&)): Likewise.
4357
4358 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
4359
4360         * include/bits/regex.h (sub_match): Add noexcept to default
4361         constructor and length observer.
4362         (match_results): Add noexcept to default constructor and observers
4363         with no preconditions. Define destructor as defaulted.
4364         (operator==, operator!=, swap): Add noexcept.
4365         (regex_iterator): Add default member initializers and define default
4366         constructor and destructor as defaulted. Add noexcept to equality
4367         and dereference operators.
4368
4369 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
4370
4371         * src/c++11/debug.cc
4372         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
4373         (_Safe_iterator_base::_M_detach_single()): Likewise.
4374         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
4375         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
4376
4377 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
4378
4379         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
4380         move of const value.
4381
4382 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
4383
4384         PR c++/86068
4385         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
4386         rather than __cpp_transactional_memory >= 201505L.
4387
4388 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
4389
4390         PR libstdc++/86008
4391         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
4392         Define new partial specialization.
4393         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
4394         new overload.
4395         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
4396         value not reference for iteration.
4397         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
4398         comment.
4399         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
4400         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
4401         comment.
4402
4403 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
4404
4405         * include/std/type_traits: Fix comment typos.
4406
4407         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
4408         mingw* targets.
4409         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
4410         * testsuite/experimental/filesystem/operations/read_symlink.cc:
4411         Likewise.
4412
4413 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
4414
4415         * include/bits/stl_tempbuf.h
4416         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
4417         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
4418         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
4419         * include/bits/stl_algo.h (__stable_partition): Adapt.
4420         (__inplace_merge): Adapt.
4421         (__stable_sort): Adapt.
4422
4423 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
4424
4425         PR libstdc++/85930
4426         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
4427         unconditionally. Remove redundant declaration.
4428         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
4429         alignment-specifier.
4430
4431         * include/bits/postypes.h (fpos): Define special members as defaulted.
4432
4433         PR libstdc++/85930
4434         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
4435         the static variable correctly.
4436
4437 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
4438
4439         PR libstdc++/78870 support std::filesystem on Windows
4440         * config.h.in: Regenerate.
4441         * configure: Regenerate.
4442         * configure.ac: Check for link, readlink and symlink.
4443         * include/bits/fs_path.h (path::operator/=(const path&)): Move
4444         definition out of class body.
4445         (path::is_absolute(), path::_M_append(path)): Likewise.
4446         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
4447         (operator>>(basic_istream, path&)): Likewise.
4448         (u8path): Reorder definitions and fix Windows implementation.
4449         (path::is_absolute()): Define inline and fix for Windows.
4450         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
4451         Define POSIX version inline.
4452         (path::_M_append(path)): Define inline.
4453         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
4454         definition out of class body.
4455         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
4456         escape characters.
4457         (operator>>(basic_istream, path&)): Likewise.
4458         (path::is_absolute()): Define inline and fix for Windows.
4459         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
4460         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
4461         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
4462         Define as adaptors for Windows functions/types or as
4463         using-declarations for POSIX functions/types.
4464         (_Dir_base, get_file_type): Qualify names to use declarations from
4465         __gnu_posix namespace.
4466         (_Dir_base::is_dor_or_dotdot): New helper functions.
4467         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
4468         names to use declarations from __gnu_posix namespace.
4469         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
4470         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
4471         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
4472         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
4473         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
4474         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
4475         Define as adaptors for Windows functions/types or as
4476         using-declarations for POSIX functions/types.
4477         (stat_type, do_copy_file): Qualify names to use declarations from
4478         __gnu_posix namespace.
4479         (do_space): Declare new function.
4480         (make_file_type): Only use S_ISLNK if defined.
4481         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
4482         path::value_type not char.
4483         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
4484         names to use declarations from __gnu_posix namespace.
4485         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
4486         add implementation for Windows.
4487         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
4488         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
4489         [!_PC_PATH_MAX]: Don't use pathconf.
4490         [PATH_MAX]: Use if defined.
4491         (filesystem::current_path(const path&, error_code&))
4492         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
4493         (filesystem::last_write_time, filesystem::permissions): Use names
4494         from __gnu_posix.
4495         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
4496         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
4497         implementation for Windows.
4498         (filesystem::rename, filesystem::resize_file): Use names from
4499         __gnu_posix.
4500         (filesystem::space): Use do_space.
4501         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
4502         (filesystem::status, filesystem::symlink_status): Use names from
4503         __gnu_posix.
4504         (filesystem::temp_directory_path): Add implementation for Windows.
4505         * src/filesystem/path.cc (dot): Define constant.
4506         (path::replace_extension): Use dot.
4507         (path::_M_find_extension): Likewise. Use path::string_type not
4508         std::string.
4509         (path::_M_split_cmpts): Use dot.
4510         (filesystem_error::_M_get_what): Use u8string() not native().
4511         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
4512         Qualify names to use declarations from __gnu_posix namespace.
4513         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
4514         correct error_code.
4515         (filesystem::absolute(const path&, error_code&)): Add implementation
4516         for Windows.
4517         (char_ptr, filesystem::canonical): Use path::value_type not char.
4518         (do_copy_file): Use names from __gnu_posix.
4519         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
4520         sendfile.
4521         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
4522         names to use declarations from __gnu_posix namespace.
4523         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
4524         add implementation for Windows.
4525         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
4526         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
4527         [!_PC_PATH_MAX]: Don't use pathconf.
4528         [PATH_MAX]: Use if defined.
4529         (filesystem::current_path(const path&, error_code&))
4530         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
4531         (filesystem::last_write_time, filesystem::permissions): Use names
4532         from __gnu_posix.
4533         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
4534         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
4535         implementation for Windows.
4536         (filesystem::rename, filesystem::resize_file): Use names from
4537         __gnu_posix.
4538         (do_space): Define.
4539         (filesystem::space): Use do_space.
4540         (filesystem::status, filesystem::symlink_status): Use names from
4541         __gnu_posix.
4542         (filesystem::temp_directory_path): Add implementation for Windows.
4543         * src/filesystem/std-path.cc
4544         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
4545         Define for Windows.
4546         (dot): Define constant.
4547         (path::replace_extension, is_dot): Use dot.
4548         (path::lexically_normal): Check _M_type instead of calling
4549         non-existent function.
4550         (path::_M_find_extension): Use dot. Use path::string_type not
4551         std::string.
4552         (path::_M_split_cmpts): Use dot.
4553         (filesystem_error::_M_get_what): Use u8string() not native().
4554         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
4555         use symlinks.
4556         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4557         Likewise.
4558         * testsuite/27_io/filesystem/operations/absolute.cc: Use
4559         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
4560         * testsuite/27_io/filesystem/operations/canonical.cc: Use
4561         path::string() to get narrow string, not path::native().
4562         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
4563         with std::filesystem::path not std::basic_string.
4564         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
4565         * testsuite/27_io/filesystem/operations/exists.cc: Use
4566         __gnu_test::root_path() instead of "/".
4567         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
4568         fstreams with std::filesystem::path not std::basic_string.
4569         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
4570         path::string() to get narrow string.
4571         * testsuite/27_io/filesystem/operations/space.cc: Check results for
4572         errors, expect sensible values otherwise.
4573         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
4574         helpers for adjusting the environment on Windows.
4575         * testsuite/27_io/filesystem/path/append/path.cc: Test
4576         Windows-specific behaviour.
4577         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
4578         of path::string_type objects.
4579         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
4580         string to wide string on Windows.
4581         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
4582         for backslash as root-directory.
4583         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
4584         path::string() to get narrow string.
4585         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
4586         paths.
4587         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
4588         not std::string.
4589         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
4590         different definintion of absolute paths on Windows.
4591         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4592         Do not use symlinks.
4593         * testsuite/experimental/filesystem/operations/absolute.cc: Test
4594         Windows behaviour.
4595         * testsuite/experimental/filesystem/operations/copy.cc: Construct
4596         fstreams with NTCTS not std::basic_string.
4597         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
4598         * testsuite/experimental/filesystem/operations/exists.cc: Use
4599         __gnu_test::root_path() instead of "/".
4600         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
4601         fstreams with NTCTS not std::basic_string.
4602         * testsuite/experimental/filesystem/operations/last_write_time.cc:
4603         Use path::string() to get narrow string.
4604         * testsuite/experimental/filesystem/operations/space.cc: Use
4605         __gnu_test::root_path() instead of "/".
4606         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
4607         Add helpers for adjusting the environment on Windows.
4608         * testsuite/experimental/filesystem/path/append/path.cc: Use
4609         path::string() to get narrow strings for comparisons.
4610         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
4611         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
4612         Likewise.
4613         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
4614         * testsuite/experimental/filesystem/path/native/string.cc: Use
4615         string_type not std::string.
4616         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
4617         Adjust for different definintion of absolute paths on Windows.
4618         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
4619         function.
4620         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
4621         std::basic_string.
4622
4623 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
4624
4625         PR libstdc++/85951
4626         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
4627         uint_least16_t and uint_least32_t.
4628         (__make_unsigned<wchar_t>): Define unconditionally.
4629         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
4630         typedefs.
4631         (__make_unsigned_selector_base): New type to provide helper templates.
4632         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
4633         __make_unsigned_selector_base helpers.
4634         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
4635         (__make_signed_selector<_Tp, true, false>): Remove intermediate
4636         typedefs.
4637         (__make_signed<wchar_t>, __make_signed<char16_t>)
4638         (__make_signed<char32_t>)): Define unconditionally.
4639         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
4640         wchar_t, char16_t and char32_t are transformed correctly.
4641         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
4642         dg-error lineno.
4643         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
4644         wchar_t, char16_t and char32_t are transformed correctly.
4645         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
4646         dg-error lineno.
4647
4648 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
4649
4650         * include/std/variant (__erased_dtor): Qualify call to __get.
4651
4652 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
4653
4654         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
4655         (_Rb_tree(const allocator_type&)): Use latter.
4656         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
4657         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
4658         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4659         * include/bits/stl_multimap.h
4660         (multimap(const allocator_type&)): Likewise.
4661         (multimap(initializer_list<value_type>, const allocator_type&)):
4662         Likewise.
4663         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
4664         Likewise.
4665         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
4666         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
4667         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4668         * include/bits/stl_multiset.h
4669         (multiset(const allocator_type&)): Likewise.
4670         (multiset(initializer_list<value_type>, const allocator_type&)):
4671         Likewise.
4672         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
4673         Likewise.
4674
4675 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
4676
4677         PR libstdc++/85768
4678         * src/c++11/debug.cc: Remove backtrace usage.
4679
4680 2018-05-24  Maya Rashish  <coypu@sdf.org>
4681
4682         PR target/85904
4683         * crossconfig.m4: Test for aligned_alloc on netbsd.
4684         * configure: Regenerate.
4685
4686 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
4687
4688         PR libstdc++/69769
4689         PR libstdc++/85886
4690         * include/bits/atomic_base.h (__atomic_base::value_type)
4691         (__atomic_base::difference_type): Add new typedefs.
4692         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
4693         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
4694         (atomic<T*>::operator++, atomic<T*>::operator--)
4695         (atomic<T*>::operator+=, atomic<T*>::operator-=)
4696         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
4697         to enforce C++17 requirement on pointer arithmetic.
4698         (__atomic_val_t, __atomic_diff_t): New alias templates.
4699         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
4700         (atomic_compare_exchange_weak_explicit)
4701         (atomic_compare_exchange_strong_explicit, atomic_store)
4702         (atomic_exchange, atomic_compare_exchange_weak)
4703         (atomic_compare_exchange_strong): Use __atomic_val_t to make
4704         scalar parameters be non-deduced contexts.
4705         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4706         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
4707         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
4708         parameters.
4709         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
4710         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
4711         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
4712         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4713         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
4714         address types.
4715         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
4716         * testsuite/29_atomics/atomic/69769.cc: New test.
4717         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
4718         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
4719         Disable test for C++17 and later.
4720         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
4721         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
4722         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
4723         test.
4724
4725 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
4726
4727         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
4728         template to alias template.
4729         (path::__value_type_is_char): Use remove_const_t.
4730         (path:_S_string_from_iter): New helper function.
4731         (path::_S_convert(InputIter, __null_terminated))
4732         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4733         Use _S_string_from_iter.
4734         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
4735         rep for COW strings.
4736         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4737         Change from class template to alias template.
4738         (path::__value_type_is_char): Use remove_const.
4739         (path:_S_string_from_iter): New helper function.
4740         (path::_S_convert(InputIter, __null_terminated))
4741         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4742         Use _S_string_from_iter.
4743         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
4744         wide strings.
4745         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
4746         string equality, not path equivalence.
4747         * testsuite/27_io/filesystem/path/construct/format.cc: Check
4748         construction from std::string and std::wstring and input iterators.
4749         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
4750         construction from iterators.
4751         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
4752         exact string equality, not path equivalence.
4753         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
4754         construction from iterators.
4755
4756         * include/bits/fs_path.h (path::_M_type): Change default member
4757         initializer to _Filename.
4758         (path::begin): Create past-the-end iterator for empty path.
4759         * src/filesystem/std-path.cc (path::remove_filename()): Remove
4760         debugging check.
4761         (path::has_relative_path()): Return false for empty filenames.
4762         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
4763         Fix offset of empty final component.
4764         * testsuite/27_io/filesystem/path/itr/components.cc: New.
4765         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
4766
4767 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4768
4769         Add support for opening file streams from wide character strings.
4770         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
4771         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4772         Define new overload.
4773         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
4774         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4775         Declare new overload.
4776         * configure.ac: Check for _wfopen.
4777         * crossconfig.m4: Likewise.
4778         * configure: Regenerate.
4779         * config.h.in: Regenerate.
4780         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
4781         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4782         Define new overload.
4783         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
4784         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4785         Declare new overload.
4786         [_GLIBCXX_HAVE__WFOPEN]
4787         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4788         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
4789         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4790         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
4791         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4792         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
4793         new overloads.
4794         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
4795         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
4796         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
4797         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
4798         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
4799         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
4800         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
4801
4802 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
4803
4804         PR libstdc++/85845
4805         * include/bits/stl_tree.h
4806         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
4807         qualification.
4808
4809 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4810
4811         * src/filesystem/std-ops.cc (absolute): Report an error for empty
4812         paths.
4813         (weakly_canonical(const path&)): Do not call canonical on empty path.
4814         (weakly_canonical(const path&, error_code&)): Likewise.
4815         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
4816
4817         PR libstdc++/85818
4818         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
4819         dg-require-filesystem-ts.
4820
4821         PR libstdc++/85843
4822         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
4823         initialize base class to avoid warnings.
4824
4825 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
4826
4827         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
4828         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
4829         little_endian element in bitmask.
4830         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
4831         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
4832
4833 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
4834
4835         * include/bits/stl_tree.h
4836         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
4837         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
4838         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
4839         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
4840         * include/debug/map.h
4841         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
4842         * include/debug/multimap.h
4843         (multimap(multimap&&, const_allocator_type&)): Likewise.
4844         * include/debug/set.h
4845         (set(set&&, const_allocator_type&)): Likewise.
4846         * include/debug/multiset.h
4847         (multiset(multiset&&, const_allocator_type&)): Likewise.
4848         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
4849         Add checks.
4850         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
4851         Add checks.
4852         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
4853         Add checks.
4854         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
4855         Add checks.
4856         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
4857         Add checks.
4858         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
4859         Add checks.
4860         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
4861         Add checks.
4862         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
4863         Add checks.
4864
4865 2018-05-18  Jason Merrill  <jason@redhat.com>
4866
4867         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
4868         for conversion to const_iterator.  Add defaulted copy ops.
4869         * libsupc++/new (bad_alloc): Add defaulted copy ops.
4870         * libsupc++/exception.h (exception): Add defaulted copy ops.
4871         * include/std/system_error (system_error): Add defaulted copy ops.
4872         * include/std/stdexcept (domain_error, invalid_argument)
4873         (length_error, out_of_range, range_error, overflow_error)
4874         (underflow_error): Add defaulted copy ops.
4875         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
4876         copy assignment.
4877         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
4878         * include/ext/throw_allocator.h (condition_base): Add defaulted
4879         default and copy ctor and copy assignment.
4880
4881 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
4882
4883         PR libstdc++/85098
4884         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
4885         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
4886         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
4887         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
4888         definitions.
4889         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
4890         whitespace.
4891         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
4892         braces around body of do-while.
4893         * testsuite/28_regex/basic_regex/85098.cc: New
4894
4895 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
4896
4897         PR libstdc++/85818
4898         * src/filesystem/path.cc (path::preferred_separator): Add used
4899         attribute.
4900         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
4901
4902         PR libstdc++/85812
4903         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
4904         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
4905         Refactor to separate non-throwing and throwing implementations.
4906         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
4907         if constructing the object throws.
4908
4909 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
4910
4911         PR libstdc++/85749
4912         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
4913         (linear_congruential_engine, mersenne_twister_engine)
4914         (subtract_with_carry_engine, discard_block_engine)
4915         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
4916         constrain function templates taking seed sequences.
4917         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
4918         (mersenne_twister_engine::seed(_Sseq&))
4919         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
4920         match declarations.
4921         * include/ext/random (simd_fast_mersenne_twister_engine): Use
4922         __is_seed_seq to constrain function templates taking seed sequences.
4923         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
4924         Change return type to match declaration.
4925         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
4926         New.
4927         * testsuite/26_numerics/random/independent_bits_engine/cons/
4928         seed_seq2.cc: New.
4929         * testsuite/26_numerics/random/linear_congruential_engine/cons/
4930         seed_seq2.cc: New.
4931         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
4932         seed_seq2.cc: New.
4933         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
4934         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
4935         New.
4936         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
4937         seed_seq2.cc: New.
4938         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
4939         seed_seq2.cc: New.
4940
4941         PR libstdc++/83891
4942         * include/bits/fs_path.h (path::is_absolute()): Use same definition
4943         for all operating systems.
4944         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
4945         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
4946         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
4947         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
4948
4949         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
4950         unused <vector> header.
4951         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
4952         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
4953         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
4954         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
4955         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
4956         Likewise.
4957         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
4958         Likewise.
4959         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
4960         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
4961         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
4962         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
4963         * testsuite/experimental/filesystem/path/decompose/extension.cc:
4964         Likewise.
4965         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
4966         * testsuite/experimental/filesystem/path/query/has_extension.cc:
4967         Likewise.
4968         * testsuite/experimental/filesystem/path/query/has_filename.cc:
4969         Likewise.
4970         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
4971         Likewise.
4972         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
4973         Likewise.
4974         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
4975         Likewise.
4976         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
4977         Likewise.
4978         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
4979         Likewise.
4980         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
4981         * testsuite/experimental/filesystem/path/query/is_relative.cc:
4982         Likewise.
4983
4984         PR libstdc++/84159
4985         * include/bits/fs_path.h (path::operator/=, path::append): Construct
4986         temporary path before calling _M_append.
4987         (path::_M_append): Change parameter to path and implement C++17
4988         semantics.
4989         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
4990         and more examples from the standard.
4991         * testsuite/27_io/filesystem/path/append/source.cc: New.
4992         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
4993         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
4994
4995         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
4996         __invoke to prevent ADL.
4997
4998 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
4999
5000         PR libstdc++/81256
5001         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
5002         exceptions from _M_terminate_output().
5003         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
5004         exceptions from close().
5005         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
5006
5007         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
5008         (__valarray_get_storage): Call operator new directly. Remove ignored
5009         top-level restrict qualifier and add malloc attribute instead.
5010         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
5011
5012         PR libstdc++/67554
5013         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
5014         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
5015
5016         PR libstdc++/82966
5017         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
5018         instead of type.
5019         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
5020
5021 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
5022
5023         PR libstdc++/80165
5024         * testsuite/20_util/variant/80165.cc: New.
5025
5026 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
5027
5028         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
5029         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
5030         of C++11 containers with Debug Mode support.
5031         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
5032         * doc/html/*: Regenerate.
5033
5034 2018-05-10  Jason Merrill  <jason@redhat.com>
5035
5036         * include/bits/regex_compiler.h (_S_cache_size): Change from
5037         function to variable.
5038
5039 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
5040
5041         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
5042         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
5043         argument defaulted to +1.  Doxy comments on same.
5044         * testsuite/special_functions/02_assoc_legendre/
5045         check_value.cc: Regen.
5046         * testsuite/tr1/5_numerical_facilities/special_functions/
5047         02_assoc_legendre/check_value.cc: Regen.
5048
5049 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
5050
5051         PR libstdc++/85729
5052         * include/bits/c++config.h (__replacement_assert): Add linkage
5053         specification.
5054         * include/bits/std_abs.h: Add comment to closing brace of block.
5055         * include/c_global/cstddef: Add linkage specification.
5056         * include/c_global/cstring: Likewise.
5057         * include/c_global/cwchar: Likewise.
5058
5059 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
5060
5061         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
5062         Rename in...
5063         (_Safe_iterator<>::_S_constant()): ...that.
5064         * include/debug/safe_local_iterator.h
5065         (_Safe_local_iterator<>::_M_constant()): Rename in...
5066         (_Safe_local_iterator<>::_S_constant()): ...that.
5067         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
5068         (_Iterator_state::__rbegin): New.
5069         (_Iterator_state::__rmiddle): New.
5070         (_Iterator_state::__rend): New.
5071         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
5072         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
5073         iterator type.
5074         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
5075         _Is_iterator)): Likewise.
5076         (_Parameter::_S_reverse_state(_Iterator_state)): New.
5077         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
5078         _Is_iterator)): New.
5079         (_Parameter(std::reverse_iterator<> const&, const char*,
5080         _Is_iterator)): New.
5081         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
5082         const char*, _Is_iterator)): New.
5083         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
5084         New.
5085         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
5086         _Is_iterator)): New.
5087         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
5088         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
5089         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
5090
5091 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
5092
5093         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
5094         Use constexpr if in C++17 mode.
5095         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
5096         Copy from const object.
5097         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
5098
5099 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
5100
5101         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
5102         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
5103         backtrace.
5104
5105         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
5106         * include/debug/functions.h (__check_valid_range): Use latter.
5107         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
5108         use latter.
5109         * include/debug/deque
5110         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
5111         * include/debug/forward_list
5112         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
5113         Likewise.
5114         * include/debug/list
5115         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5116         * include/debug/list
5117         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5118         * include/debug/map.h
5119         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5120         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
5121         Likewise.
5122         * include/debug/multimap.h
5123         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5124         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
5125         const _Alloc&)): Likewise.
5126         * include/debug/set.h
5127         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5128         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
5129         Likewise.
5130         * include/debug/multiset.h
5131         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5132         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
5133         const _Alloc&)): Likewise.
5134         * include/debug/string
5135         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
5136         Likewise.
5137         * include/debug/unordered_map
5138         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
5139         Likewise.
5140         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
5141         const _Alloc&)): Likewise.
5142         * include/debug/unordered_set
5143         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
5144         Likewise.
5145         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
5146         const _Alloc&)): Likewise.
5147         * include/debug/vector
5148         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
5149
5150         * include/debug/formatter.h (_Error_formatter::_M_function): New.
5151         (_Error_formatter(const char*, unsigned int)): Adapt.
5152         (_Error_formatter::_M_at): Rename in...
5153         (_Error_formatter::_S_at): ...that and adapt.
5154         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
5155         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
5156         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
5157         when available.
5158
5159 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
5160
5161         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
5162         Use normal std::vector even in Debug Mode.
5163
5164         PR libstdc++/85672
5165         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
5166         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
5167         * include/Makefile.in: Regenerate.
5168         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
5169         within conditional block.
5170
5171 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
5172
5173         * doc/xml/manual/using.xml (table.cmd_options): Document that the
5174         C++17 Filesystem implementation also needs -lstdc++fs.
5175
5176         PR libstdc++/85671
5177         * include/bits/fs_path.h (operator/): Permit copy elision.
5178         * include/experimental/bits/fs_path.h (operator/): Likewise.
5179
5180 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
5181
5182         Moar PR libstdc++/80506
5183         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
5184         Fix magic number used in loop condition.
5185
5186 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
5187
5188         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
5189         * include/std/optional (_Optional_payload): Add noexcept to default
5190         constructor. Re-indent.
5191         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
5192         constructor for copying disengaged payloads.
5193         (_Optional_payload<_Tp, true, false, true>): Likewise.
5194         (_Optional_payload<_Tp, true, true, false>): Likewise.
5195         (_Optional_payload<_Tp, true, false, false>): Likewise.
5196         * testsuite/20_util/optional/cons/85642.cc: New.
5197         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
5198
5199 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
5200
5201         PR libstdc++/82644
5202         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
5203         inline definitions instead of using-declarations.
5204         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
5205         * testsuite/tr1/5_numerical_facilities/special_functions/
5206         07_conf_hyperg/compile_cxx17.cc: New.
5207         * testsuite/tr1/5_numerical_facilities/special_functions/
5208         17_hyperg/compile_cxx17.cc: New.
5209
5210         PR libstdc++/84769
5211         * include/std/variant (visit): Qualify std::get call.
5212
5213         PR libstdc++/85632 use uintmax_t for arithmetic
5214         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
5215         arithmetic in result type.
5216         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
5217         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
5218         is greater than free space.
5219         * testsuite/experimental/filesystem/operations/space.cc: New.
5220
5221         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
5222         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
5223         New.
5224         * testsuite/20_util/remove_cvref/value.cc: New.
5225         * testsuite/20_util/remove_cvref/value_ext.cc: New.
5226
5227         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
5228         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
5229         (append(const basic_string&, size_type, size_type)
5230         (assign(const basic_string&, size_type, size_type)
5231         (insert(size_type, const basic_string&, size_type, size_type)
5232         (replace(size_type,size_type,const basic_string&,size_type,size_type)
5233         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
5234         Add default arguments (LWG 2268).
5235         [_GLIBCXX_USE_CXX11_ABI=0]
5236         (append(const basic_string&, size_type, size_type)
5237         (assign(const basic_string&, size_type, size_type)
5238         (insert(size_type, const basic_string&, size_type, size_type)
5239         (replace(size_type,size_type,const basic_string&,size_type,size_type)
5240         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
5241         Likewise.
5242         * testsuite/21_strings/basic_string/dr2268.cc: New test.
5243
5244         PR libstdc++/84535
5245         * include/std/thread (thread::__not_same): New SFINAE helper.
5246         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
5247         first argument is not a std::thread. Add static assertion to check
5248         INVOKE expression is valid.
5249         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
5250         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
5251         __invoke_result for return types and remove exception specifications.
5252         * testsuite/30_threads/thread/cons/84535.cc: New.
5253
5254         * include/std/future (__async_result_of): Use __invoke_result instead
5255         of result_of.
5256
5257         * include/std/any (any_cast): Use __remove_cvref_t.
5258         * include/std/tuple (__make_tuple): Likewise.
5259         * include/std/type_traits (__remove_cvref_t): Define.
5260         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
5261         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
5262         * include/std/variant (__erased_hash): Use __remove_cvref_t.
5263
5264 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
5265
5266         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
5267         ensure overloaded comma not used.
5268         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
5269         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
5270         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
5271         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
5272         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
5273         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
5274         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
5275
5276 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
5277
5278         PR libstdc++/68197
5279         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
5280         indices to unsigned.
5281         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
5282         as failure. Refactor error handling.
5283         * testsuite/27_io/ios_base/storage/68197.cc: New.
5284
5285         PR libstdc++/57997
5286         PR libstdc++/83860
5287         * include/bits/gslice_array.h (gslice_array): Define default
5288         constructor as deleted, as per C++11 standard.
5289         * include/bits/mask_array.h (mask_array): Likewise.
5290         * include/bits/slice_array.h (slice_array): Likewise.
5291         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
5292         to namespace __detail.
5293         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
5294         members.
5295         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
5296         of data members in closure objects.
5297         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
5298         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
5299         __detail.
5300         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
5301         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
5302         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
5303         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
5304         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
5305         using-declarations to namespace std.
5306         * testsuite/26_numerics/valarray/83860.cc: New.
5307
5308         * testsuite/backward/strstream_move.cc: Remove duplicate function
5309         call.
5310
5311         PR libstdc++/69608
5312         * include/backward/strstream (strstreambuf): Define move constructor
5313         and move assignment operator.
5314         (istrstream, ostrstream, strstream): Likewise.
5315         * testsuite/backward/strstream_move.cc: New.
5316
5317 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
5318
5319         PR libstdc++/84654
5320         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
5321         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
5322         * configure: Regenerate.
5323         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
5324         based on ENABLE_FLOAT128.
5325         * include/Makefile.in: Regenerate.
5326         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
5327         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
5328         _GLIBCXX_USE_FLOAT128.
5329
5330 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
5331
5332         * configure: Regenerated.
5333
5334 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
5335
5336         * configure: Regenerated.
5337
5338 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
5339             Jakub Jelinek  <jakub@redhat.com>
5340
5341         PR libstdc++/85442
5342         * src/c++11/Makefile.am: Don't generate debuginfo again for
5343         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
5344         * src/c++11/Makefile.in: Regenerate.
5345
5346 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
5347
5348         PR libstdc++/84442
5349         * testsuite/30_threads/thread/cons/terminate.cc
5350         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
5351
5352 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
5353
5354         PR jit/85384
5355         * configure: Regenerate.
5356
5357 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
5358
5359         * testsuite/experimental/filesystem/file_status/1.cc: Add
5360         -DUSE_FILESYSTEM_TS to dg-options.
5361         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5362         Likewise.
5363         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
5364         * testsuite/experimental/filesystem/iterators/
5365         recursive_directory_iterator.cc: Likewise.
5366         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
5367         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5368         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5369         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
5370         * testsuite/experimental/filesystem/operations/create_directories.cc:
5371         Likewise.
5372         * testsuite/experimental/filesystem/operations/create_directory.cc:
5373         Likewise.
5374         * testsuite/experimental/filesystem/operations/create_symlink.cc:
5375         Likewise.
5376         * testsuite/experimental/filesystem/operations/current_path.cc:
5377         Likewise.
5378         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
5379         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5380         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
5381         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5382         * testsuite/experimental/filesystem/operations/last_write_time.cc:
5383         Likewise.
5384         * testsuite/experimental/filesystem/operations/permissions.cc:
5385         Likewise.
5386         * testsuite/experimental/filesystem/operations/read_symlink.cc:
5387         Likewise.
5388         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5389         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
5390         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
5391         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
5392         Likewise.
5393         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
5394         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
5395         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
5396         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
5397         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
5398         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
5399         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
5400         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
5401         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
5402         * testsuite/experimental/filesystem/path/construct/default.cc:
5403         Likewise.
5404         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
5405         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
5406         * testsuite/experimental/filesystem/path/construct/string_view.cc:
5407         Likewise.
5408         * testsuite/experimental/filesystem/path/decompose/extension.cc:
5409         Likewise.
5410         * testsuite/experimental/filesystem/path/decompose/filename.cc:
5411         Likewise.
5412         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
5413         Likewise.
5414         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
5415         Likewise.
5416         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
5417         Likewise.
5418         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
5419         Likewise.
5420         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
5421         Likewise.
5422         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
5423         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
5424         Likewise.
5425         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
5426         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
5427         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
5428         Likewise.
5429         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
5430         Likewise.
5431         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
5432         Likewise.
5433         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
5434         Likewise.
5435         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
5436         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
5437         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
5438         Likewise.
5439         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
5440         * testsuite/experimental/filesystem/path/query/has_extension.cc:
5441         Likewise.
5442         * testsuite/experimental/filesystem/path/query/has_filename.cc:
5443         Likewise.
5444         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
5445         Likewise.
5446         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
5447         Likewise.
5448         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
5449         Likewise.
5450         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
5451         Likewise.
5452         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
5453         Likewise.
5454         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
5455         * testsuite/experimental/filesystem/path/query/is_relative.cc:
5456         Likewise.
5457
5458 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
5459
5460         * src/c++11/Makefile.am: Fix sed command.
5461         * src/c++11/Makefile.in: Regenerate.
5462
5463         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
5464         handle mangled names starting with double underscores on darwin.
5465         * src/c++11/Makefile.in: Regenerate.
5466
5467 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
5468
5469         * src/c++11/Makefile.am: Fix comment.
5470         * src/c++11/Makefile.in: Regenerate.
5471         * src/c++11/cxx11-ios_failure.cc: Fix comment.
5472         * src/c++98/ios_failure.cc: Likewise.
5473
5474         * src/c++11/ios.cc: Remove redundant macro definition.
5475
5476 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
5477
5478         * doc/xml/manual/abi.xml: Document header locations in recent
5479         releases.
5480         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
5481         * doc/xml/manual/spine.xml: Update copyright years.
5482         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
5483         undefined behaviour.
5484         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
5485         * doc/html/*: Regenerate.
5486
5487 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
5488
5489         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
5490         * doc/xml/manual/backwards_compatibility.xml: Likewise.
5491         * doc/xml/manual/containers.xml: Likewise.
5492         * doc/xml/manual/debug_mode.xml: Likewise.
5493         * doc/xml/manual/extensions.xml: Likewise.
5494         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
5495         * doc/xml/manual/using.xml: Likewise.
5496         * doc/xml/manual/utilities.xml: Likewise.
5497
5498         PR libstdc++/85222
5499         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
5500         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
5501         * src/c++11/Makefile.in: Regenerate.
5502         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
5503         New types.
5504         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
5505         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
5506         * src/c++98/ios_failure.cc (__construct_ios_failure)
5507         (__destroy_ios_failure, is_ios_failure_handler): New functions.
5508         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
5509         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
5510         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
5511         handler types, to always catch std::ios_base::failure.
5512         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
5513         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
5514         exceptions_failbit.cc: Likewise.
5515         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
5516         exceptions_failbit.cc: Likewise.
5517         * testsuite/27_io/basic_istream/extractors_other/char/
5518         exceptions_null.cc: Likewise.
5519         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
5520         exceptions_null.cc: Likewise.
5521         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
5522         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
5523         * testsuite/27_io/basic_ostream/inserters_other/char/
5524         exceptions_null.cc: Likewise.
5525         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
5526         exceptions_null.cc: Likewise.
5527         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
5528
5529 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
5530
5531         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
5532         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
5533
5534 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
5535
5536         PR libstdc++/85183
5537         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
5538         value categories.
5539         * testsuite/20_util/variant/85183.cc: New.
5540
5541 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
5542
5543         * include/std/variant (__get): Qualify calls to avoid ADL.
5544         (__select_index): Adjust whitespace.
5545         (variant): Add using-declaration to workaround Clang bug.
5546
5547 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
5548
5549         PR libstdc++/85040
5550         * include/bits/stl_function.h (greater::__not_overloaded)
5551         (less::__not_overloaded, greater_equal::__not_overloaded)
5552         (less_equal::__not_overloaded): Fix ambiguous specializations.
5553         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
5554         tests for type with overloaded operators.
5555
5556 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5557
5558         PR libstdc++/77691
5559         * testsuite/experimental/memory_resource/resource_adaptor.cc:
5560         xfail execution on 32-bit Solaris/x86.
5561
5562 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
5563
5564         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
5565         VERIFY instead of assert.
5566         * testsuite/20_util/hash/84998.cc: New test.
5567         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
5568         copy of test adjusted for Debug Mode.
5569         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
5570         test in Debug Mode.
5571
5572 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
5573
5574         PR libstdc++/84998
5575         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
5576         * include/std/bitset: Likewise.
5577         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
5578         declaration.
5579         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
5580         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
5581         * include/bits/stl_set.h (std::set<>): Likewise.
5582         * include/bits/unordered_map.h (std::unordered_map<>): Fix
5583         _Hash_merge_helper friend declaration.
5584         (std::unordered_multimap<>): Likewise.
5585         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
5586         (std::unordered_multiset<>): Likewise.
5587
5588 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5589
5590         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
5591         trailing slash for domain level link.
5592         * doc/xml/faq.xml: Ditto.
5593         * doc/xml/manual/appendix_free.xml (software): Ditto.
5594         * doc/xml/manual/intro.xml: Ditto.
5595         * doc/xml/manual/spine.xml: Ditto.
5596         * doc/xml/spine.xml: Ditto.
5597
5598 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5599
5600         * doc/xml/manual/documentation_hacking.xml: Adjust link to
5601         docbook.org.
5602
5603 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
5604
5605         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
5606         to compile as C++98.
5607
5608 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
5609
5610         PR libstdc++/78420
5611         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
5612         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
5613         to ensure total order for pointers.
5614         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
5615         Add operator() overloads for pointer arguments and make generic
5616         overloads dispatch to new _S_cmp functions when comparisons would
5617         use built-in operators for pointers.
5618         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
5619
5620 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
5621
5622         PR libstdc++/84773
5623         PR libstdc++/83662
5624         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
5625         * configure: Regenerate.
5626         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
5627         (aligned_alloc): Add using-declaration.
5628         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
5629
5630 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
5631
5632         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
5633         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
5634         registration.
5635
5636 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
5637
5638         PR libstdc++/84769
5639         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
5640         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
5641
5642         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
5643         src/filesystem/std-ops.cc (create_dir): Likewise.
5644
5645 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
5646
5647         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
5648         (StdListIteratorPrinter): Inherit from latter.
5649         (StdFwdListIteratorPrinter): New, inherit from latter.
5650         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
5651         when iterator has no associated container.
5652         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
5653         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
5654         registrations.
5655         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
5656         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
5657
5658 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
5659
5660         PR libstdc++/84601
5661         * include/std/optional (_Optional_payload): Split into multiple
5662         specializations that can handle different cases of trivial or
5663         non-trivial assignment operators.
5664         * testsuite/20_util/optional/84601.cc: New.
5665         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5666
5667 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
5668
5669         PR libstdc++/84671
5670         * include/bits/parse_numbers.h (_Number_help): Add partial
5671         specialization to handle digit separators. Adjust partial
5672         specialization for recursion temrination to require _Pow == 1ULL.
5673         * testsuite/20_util/duration/literals/84671.cc: New
5674
5675 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
5676
5677         Implement the missing bits of LWG 2769
5678         * include/std/any (any_cast(const any&)): Add static_assert.
5679         (any_cast(any&)): Likewise.
5680         (any_cast(any&&)): Likewise, and remove the handling
5681         for copyable-but-not-movable type.
5682         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
5683         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
5684         add new tests.
5685
5686 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
5687
5688         PR libstdc++/84532
5689         * include/std/thread (thread::__make_invoker): Construct tuple
5690         directly instead of using make_tuple.
5691         * testsuite/30_threads/async/84532.cc: New.
5692         * testsuite/30_threads/thread/84532.cc: New.
5693
5694 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
5695
5696         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
5697         (template<> __aligned_buffer): Define as __aligned_membuf alias.
5698
5699 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
5700
5701         PR target/84148
5702         * configure: Regenerate.
5703
5704 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
5705
5706         PR libstdc++/81797
5707         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
5708         * configure: Regenerate.
5709         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
5710         defined.
5711         * include/Makefile.in: Regenerate.
5712
5713 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
5714
5715         PR libstdc++/83833
5716         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
5717         Add -ffloat-store to options for m68k and ia32.
5718
5719         * doc/xml/faq.xml: Update copyright years.
5720         * doc/html/*: Regenerate.
5721
5722         PR libstdc++/83658
5723         * include/std/any (any::__do_emplace): Only set _M_manager after
5724         constructing the contained object.
5725         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
5726         * testsuite/20_util/any/modifiers/83658.cc: New test.
5727
5728 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
5729
5730         PR libstdc++/81076
5731         * include/c_global/cstddef (__byte_operand): Define primary template.
5732         * testsuite/18_support/byte/81076.cc: New test.
5733
5734 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
5735
5736         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
5737         dg-options and dg-add-options order.
5738         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
5739         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
5740         Likewise.
5741         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
5742         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
5743         Likewise.
5744         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
5745         Likewise.
5746         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
5747         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
5748         Likewise.
5749         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
5750         Likewise.
5751         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
5752         Likewise.
5753         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
5754         Likewise.
5755         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
5756         Likewise.
5757         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
5758         Likewise.
5759         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
5760         Likewise.
5761         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
5762         Likewise.
5763         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
5764         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
5765         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
5766         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
5767         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
5768         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
5769         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
5770         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
5771         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
5772         Likewise.
5773         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
5774         Likewise.
5775         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
5776         Likewise.
5777         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
5778         Likewise.
5779
5780 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
5781
5782         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
5783         include linux/types.h when checking linux/random.h header.
5784         * config.h.in: Regenerate.
5785         * configure: Ditto.
5786         * src/c++11/random.cc: Conditionally include linux/types.h.
5787
5788 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
5789
5790         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
5791
5792 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
5793
5794         PR libstdc++/83834
5795         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
5796         pattern with exact match for std::cerr.
5797
5798 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5799
5800         PR libstdc++/83833
5801         * include/bits/random.h (chi_squared_distribution::param): Update
5802         gamma distribution parameter.
5803         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
5804         test.
5805
5806         PR libstdc++/83830
5807         * include/std/type_traits (has_unique_object_representations_v): Add
5808         variable template.
5809         * testsuite/20_util/has_unique_object_representations/value.cc: Check
5810         variable template.
5811
5812 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
5813
5814         Make optional conditionally
5815         trivially_{copy,move}_{constructible,assignable}
5816         * include/std/optional (_Optional_payload): Fix the comment in
5817         the class head and turn into a primary and one specialization.
5818         (_Optional_payload::_M_engaged): Strike the NSDMI.
5819         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
5820         New.
5821         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
5822         Likewise.
5823         (_Optional_payload<_Tp, false>::_M_get): Likewise.
5824         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
5825         (_Optional_base_impl): Likewise.
5826         (_Optional_base): Turn into a primary and three specializations.
5827         (optional(nullopt)): Change the base init.
5828         * testsuite/20_util/optional/assignment/8.cc: New.
5829         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
5830         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5831
5832 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5833
5834         PR libstdc++/80276
5835         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
5836         (get_template_arg_list): New.
5837         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
5838         instead.
5839         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
5840         of strings and regular expressions.
5841         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
5842         (FilteringTypePrinter): Add docstring. Match using startswith. Use
5843         strip_inline_namespaces instead of strip_versioned_namespace.
5844         (add_one_type_printer): Prepend namespace to match argument.
5845         (register_type_printers): Add type printers for char16_t and char32_t
5846         string types and for types using cxx11 ABI. Update calls to
5847         add_one_template_type_printer to provide default argument dicts.
5848         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
5849         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
5850         basic_string<unsigned char> and basic_string<signed char>.
5851         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
5852         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
5853
5854 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
5855
5856         PR libstdc++/81092
5857         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
5858
5859 2018-01-13  Tim Shen  <timshen@google.com>
5860
5861         PR libstdc++/83601
5862         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
5863         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
5864         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
5865
5866 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5867
5868         PR libstdc++/64054
5869         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
5870         Remove dg-xfail-run-if.
5871
5872 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
5873
5874         * include/bits/forward_list.h
5875         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
5876         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
5877         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
5878         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
5879         (_Fwd_list_impl()): Add noexcept qualification.
5880         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
5881         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
5882         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
5883         (_Fwd_list_base()): Default.
5884         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
5885         (_Fwd_list_base(_Fwd_list_base&&)): Default.
5886         (forward_list<>()): Default.
5887         (forward_list<>(forward_list&&)): Default.
5888         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
5889         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
5890         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
5891         * include/bits/forward_list.tcc
5892         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
5893         _M_impl._M_head move assignment.
5894         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
5895         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
5896
5897 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
5898
5899         PR libstdc++/80276
5900         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
5901         (UniquePointerPrinter): Print correct template argument, not type of
5902         the pointer.
5903         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
5904         a type.
5905         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
5906         array type.
5907         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
5908         weak_ptr of array types.
5909
5910 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
5911
5912         PR libstdc++/83709
5913         * include/bits/hashtable_policy.h
5914         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
5915         __first != __last.
5916         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
5917         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
5918         Add false_type parameter.
5919         (_Insert_base::insert): Adapt.
5920         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
5921         Adapt.
5922         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
5923          Add __n_elt parameter, defaulted to 1.
5924         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
5925         policy _M_need_rehash.
5926         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
5927         produce only 1 rehash if necessary.
5928         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
5929         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
5930
5931 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
5932             Jonathan Wakely  <jwakely@redhat.com>
5933
5934         PR libstdc++/59253 (partial)
5935         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
5936         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
5937         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
5938         children.
5939         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
5940         of unique_ptr printer.
5941         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
5942         output of shared_ptr printer.
5943
5944 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
5945
5946         PR libstdc++/83626
5947         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
5948         unnecessary symlink_status call.
5949         (remove_all(const path&, error_code&)): Use filesystem::remove.
5950         * src/filesystem/std-ops.cc: Likewise.
5951
5952         PR libstdc++/83279
5953         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
5954         sendfile.
5955
5956         PR libstdc++/83626
5957         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
5958         report an error for ENOENT.
5959         (remove_all(const path&)): Fix type of result variable.
5960         (remove_all(const path&, error_code&)): Use non-throwing increment
5961         for directory iterator. Call POSIX remove directly to avoid redundant
5962         calls to symlink_status. Do not report errors for ENOENT.
5963         * src/filesystem/std-ops.cc: Likewise.
5964         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
5965         overload.
5966         * testsuite/experimental/filesystem/operations/remove_all.cc:
5967         Likewise.
5968
5969 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
5970
5971         PR libstdc++/83626
5972         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
5973         redundant call to ec.clear().
5974         (remove_all(const path&, error_code&))): Do not return an error for
5975         non-existent paths.
5976         * src/filesystem/std-ops.cc: Likewise.
5977         * testsuite/27_io/filesystem/operations/remove.cc: New test.
5978         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
5979         results for non-existent paths.
5980         * testsuite/experimental/filesystem/operations/remove.cc: New test.
5981         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
5982         expected results for non-existent paths.
5983
5984         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
5985         check status_known once.
5986         * include/experimental/bits/fs_ops.h: Likewise.
5987
5988         PR libstdc++/83607
5989         * include/std/functional (__is_byte_like): New trait.
5990         (__is_std_equal_to): Remove.
5991         (__boyer_moore_base_t): Use __is_byte_like instead of
5992         __is_std_equal_to.
5993         * include/experimental/functional (__is_std_equal_to): Remove.
5994         (__boyer_moore_base_t): Use __is_byte_like instead of
5995         __is_std_equal_to.
5996         * testsuite/20_util/function_objects/83607.cc: New test.
5997
5998 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
5999
6000         Protect optional's deduction guide with the feature macro
6001         * include/std/optional: Use the feature macro.
6002
6003 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
6004
6005         Update copyright years.
6006 \f
6007 Copyright (C) 2018 Free Software Foundation, Inc.
6008
6009 Copying and distribution of this file, with or without modification,
6010 are permitted in any medium without royalty provided the copyright
6011 notice and this notice are preserved.