libstdc++-v3/ChangeLog

   1 2018-12-13  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * src/filesystem/std-path.cc (SLASHSLASH_IS_ROOT_NAME): New macro to
   4         control whether interpret paths with two slashes as a root-name.
   5         (path::operator/=(const path&)) [SLASHSLASH_IS_ROOT_NAME]: Add a
   6         root-directory when appending to a root-name.
   7         (path::_M_append(basic_string_view<value_type>))
   8         [SLASHSLASH_IS_ROOT_NAME]: Likewise.
   9         (path::operator/=(const path&)) [SLASHSLASH_IS_ROOT_NAME]: Likewise.
  10         (path::_M_concat(basic_string_view<value_type>))
  11         [SLASHSLASH_IS_ROOT_NAME]: Likewise.
  12         (path::lexically_normal()) [SLASHSLASH_IS_ROOT_NAME]: Use += instead
  13         of /= to add a root-directory to the result.
  14         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Fix
  15         expected result for Cygwin.
  16
  17         PR libstdc++/71044
  18         * include/bits/fs_path.h (path::path(path&&)): Add noexcept when
  19         appropriate. Move _M_cmpts instead of reparsing the native pathname.
  20         (path::operator=(const path&)): Do not define as defaulted.
  21         (path::operator/=, path::append): Call _M_append.
  22         (path::concat): Call _M_concat.
  23         (path::path(string_type, _Type): Change type of first parameter to
  24         basic_string_view<value_type>.
  25         (path::_M_append(basic_string_view<value_type>)): New member function.
  26         (path::_M_concat(basic_string_view<value_type>)): New member function.
  27         (_S_convert(value_type*, __null_terminated)): Return string view.
  28         (_S_convert(const value_type*, __null_terminated)): Return string view.
  29         (_S_convert(value_type*, value_type*))
  30         (_S_convert(const value_type*, const value_type*)): Add overloads for
  31         pairs of pointers.
  32         (_S_convert(_InputIterator, __null_terminated)): Construct string_type
  33         explicitly, for cases where _S_convert returns a string view.
  34         (path::_S_is_dir_sep): Replace with non-member is_dir_sep.
  35         (path::_M_trim, path::_M_add_root_name, path::_M_add_root_dir)
  36         (path::_M_add_filename): Remove.
  37         (path::_M_type()): New member function to replace _M_type data member.
  38         (path::_List): Define new struct type instead of using std::vector.
  39         (path::_Cmpt::_Cmpt(string_type, _Type, size_t)): Change type of
  40         first parameter to basic_string_view<value_type>.
  41         (path::operator+=(const path&)): Do not define inline.
  42         (path::operator+=(const string_type&)): Call _M_concat.
  43         (path::operator+=(const value_type*)): Likewise.
  44         (path::operator+=(value_type)): Likewise.
  45         (path::operator+=(basic_string_view<value_type>)): Likewise.
  46         (path::operator/=(const path&)): Do not define inline.
  47         (path::_M_append(path)): Remove.
  48         * python/libstdcxx/v6/printers.py (StdPathPrinter): New printer that
  49         understands the new path::_List type.
  50         * src/filesystem/std-path.cc (is_dir_sep): New function to replace
  51         path::_S_is_dir_sep.
  52         (path::_Parser): New helper class to parse strings as paths.
  53         (path::_List::_Impl): Define container type for path components.
  54         (path::_List): Define members.
  55         (path::operator=(const path&)): Define explicitly, to provide the
  56         strong exception safety guarantee.
  57         (path::operator/=(const path&)): Implement manually by processing
  58         each component of the argument, rather than using _M_split_cmpts
  59         to parse the entire string again.
  60         (path::_M_append(string_type)): Likewise.
  61         (path::operator+=(const path&)): Likewise.
  62         (path::_M_concat(string_type)): Likewise.
  63         (path::remove_filename()): Perform trim directly instead of calling
  64         _M_trim().
  65         (path::_M_split_cmpts()): Rewrite in terms of _Parser class.
  66         (path::_M_trim, path::_M_add_root_name, path::_M_add_root_dir)
  67         (path::_M_add_filename): Remove.
  68         * testsuite/27_io/filesystem/path/append/source.cc: Test appending a
  69         string view that aliases the path.
  70         testsuite/27_io/filesystem/path/concat/strings.cc: Test concatenating
  71         a string view that aliases the path.
  72
  73         * testsuite/27_io/filesystem/path/generation/proximate.cc: Use
  74         preferred directory separators for normalized paths.
  75         * testsuite/27_io/filesystem/path/generation/relative.cc: Likewise.
  76
  77         * testsuite/27_io/filesystem/path/itr/traversal.cc: Fix test for
  78         mingw.
  79
  80         * testsuite/27_io/filesystem/path/construct/80762.cc: Skip test if
  81         the Filesystem TS support is not configured.
  82         * testsuite/experimental/filesystem/path/construct/80762.cc: Likewise.
  83
  84 2018-12-12  Jonathan Wakely  <jwakely@redhat.com>
  85
  86         PR libstdc++/71044 (partial)
  87         * include/bits/fs_path.h (__path_iter_distance, __path_iter_advance):
  88         New friend functions to implement std::distance and std::advance more
  89         efficiently.
  90         (distance, advance): Add overloads for path::iterator.
  91         * testsuite/27_io/filesystem/path/itr/components.cc: Test new
  92         overload.
  93
  94         PR libstdc++/80762
  95         * include/bits/fs_path.h (path::_Path): Use remove_cv_t and is_void.
  96         * include/experimental/bits/fs_path.h (path::_Path): Likewise.
  97         * testsuite/27_io/filesystem/path/construct/80762.cc: New test.
  98         * testsuite/experimental/filesystem/path/construct/80762.cc: New test.
  99
 100 2018-12-12  Jakub Jelinek  <jakub@redhat.com>
 101
 102         P0595R2 - is_constant_evaluated
 103         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_IS_CONSTANT_EVALUATED):
 104         Define if __builtin_is_constant_evaluated is available.
 105         * include/std/type_traits (std::is_constant_evaluated): New constexpr
 106         inline function.
 107         * testsuite/20_util/is_constant_evaluated/1.cc: New test.
 108         * testsuite/20_util/is_constant_evaluated/noexcept.cc: New test.
 109
 110 2018-12-10  Gerald Pfeifer  <gerald@pfeifer.com>
 111
 112         * doc/xml/manual/documentation_hacking.xml: Update reference
 113         to epubcheck.
 114
 115 2018-12-10  Jonathan Wakely  <jwakely@redhat.com>
 116
 117         * testsuite/experimental/filesystem/path/query/is_absolute.cc: Fix
 118         test to use TS, not C++17.
 119
 120 2018-12-06  Iain Sandoe  <iain@sandoe.co.uk>
 121
 122         * scripts/make_exports.pl (check names): Don’t try to export
 123         construction vtable symbols.
 124
 125 2018-12-06  Jonathan Wakely  <jwakely@redhat.com>
 126             Iain Sandoe  <iain@sandoe.co.uk>
 127
 128         PR libstdc++/64883
 129         * testsuite/17_intro/headers/c++1998/all_attributes.cc: Don't test
 130         always_inline on Darwin.
 131         * testsuite/17_intro/headers/c++2011/all_attributes.cc: Likewise.
 132         * testsuite/17_intro/headers/c++2014/all_attributes.cc: Likewise.
 133         * testsuite/17_intro/headers/c++2017/all_attributes.cc: Likewise.
 134         * testsuite/17_intro/headers/c++2020/all_attributes.cc: Likewise.
 135
 136 2018-12-03  Edward Smith-Rowland  <3dw4rd@verizon.net>
 137
 138         PR libstdc++/88341 - Complex norm doesn't compile with C++11
 139         * include/std/complex (_S_do_it): Make C++20 constexpr.
 140         * testsuite/26_numerics/complex/value_operations/pr88341.cc: New test.
 141
 142 2018-11-30  Edward Smith-Rowland  <3dw4rd@verizon.net>
 143
 144         Implement P0457R2 String Prefix and Suffix Checking.
 145         * include/bits/basic_string.h: Add starts_with, ends_with members.
 146         * include/std/string_view: Ditto.
 147         * testsuite/21_strings/basic_string/operations/starts_with/
 148         char/1.cc: New test.
 149         * testsuite/21_strings/basic_string/operations/starts_with/
 150         wchar_t/1.cc: New test.
 151         * testsuite/21_strings/basic_string/operations/ends_with/
 152         char/1.cc: New test.
 153         * testsuite/21_strings/basic_string/operations/ends_with/
 154         wchar_t/1.cc: New test.
 155         * testsuite/21_strings/basic_string_view/operations/starts_with/
 156         char/1.cc: New test.
 157         * testsuite/21_strings/basic_string_view/operations/starts_with/
 158         wchar_t/1.cc: New test.
 159         * testsuite/21_strings/basic_string_view/operations/ends_with/
 160         char/1.cc: New test.
 161         * testsuite/21_strings/basic_string_view/operations/ends_with/
 162         wchar_t/1.cc: New test.
 163
 164 2018-11-30  Edward Smith-Rowland  <3dw4rd@verizon.net>
 165
 166         Pre-emptively support P0646R1 for std container erasure.
 167         * include/bits/erase_if.h: Accumulate and return number of erased nodes.
 168         * include/std/forward_list (): Return number of erased items.
 169         * include/std/list (): Ditto.
 170         * include/std/map (): Ditto.
 171         * include/std/set (): Ditto.
 172         * include/std/string (): Ditto.
 173         * include/std/unordered_map (): Ditto.
 174         * include/std/unordered_set (): Ditto.
 175         * include/std/vector (): Ditto.
 176         * include/std/deque (): Ditto.
 177         * testsuite/21_strings/basic_string/erasure.cc: Test number of erasures.
 178         * testsuite/23_containers/deque/erasure.cc: Ditto.
 179         * testsuite/23_containers/forward_list/erasure.cc: Ditto.
 180         * testsuite/23_containers/list/erasure.cc: Ditto.
 181         * testsuite/23_containers/map/erasure.cc: Ditto.
 182         * testsuite/23_containers/set/erasure.cc: Ditto.
 183         * testsuite/23_containers/unordered_map/erasure.cc: Ditto.
 184         * testsuite/23_containers/unordered_set/erasure.cc: Ditto.
 185         * testsuite/23_containers/vector/erasure.cc: Ditto.
 186
 187 2018-11-29  Edward Smith-Rowland  <3dw4rd@verizon.net>
 188
 189         Only include bits/stl_algo.h for C++20.
 190         * include/std/deque: Only include bits/stl_algo.h for C++20.
 191         * include/std/string: Ditto.
 192         * include/std/vector: Ditto.
 193
 194 2018-11-29  Edward Smith-Rowland  <3dw4rd@verizon.net>
 195
 196         Fix erasure goofs.
 197         * include/experimental/deque: Make inline.
 198         * include/std/deque: Include bits/stl_algo.h.
 199         (erase, erase_if): Make inline.
 200         * include/std/string: Include bits/stl_algo.h.
 201         * include/std/unordered_set: Add erase, erase_if!
 202         * include/std/vector: Include bits/stl_algo.h.
 203         * testsuite/21_strings/basic_string/erasure.cc:
 204         Add { dg-options "-std=gnu++2a" }.
 205         * testsuite/23_containers/deque/erasure.cc: Ditto.
 206         * testsuite/23_containers/forward_list/erasure.cc: Ditto.
 207         * testsuite/23_containers/list/erasure.cc: Ditto.
 208         * testsuite/23_containers/map/erasure.cc: Ditto.
 209         * testsuite/23_containers/set/erasure.cc: Ditto.
 210         * testsuite/23_containers/unordered_map/erasure.cc: Ditto.
 211         * testsuite/23_containers/unordered_set/erasure.cc: Ditto.
 212         * testsuite/23_containers/vector/erasure.cc: Ditto.
 213
 214 2018-11-29  Jonathan Wakely  <jwakely@redhat.com>
 215
 216         PR libstdc++/88119
 217         * include/ext/aligned_buffer.h (__aligned_membuf): Add comment.
 218         (__aligned_buffer): Use __alignof__ instead of std::alignment_of.
 219         * include/std/type_traits (alignment_of): Use alignof instead of
 220         __alignof__.
 221         * testsuite/20_util/alignment_of/value.cc: Fix test to check values
 222         match alignof not __alignof__, as required by the standard.
 223
 224         PR libstdc++/86910
 225         PR libstdc++/87846
 226         * src/filesystem/ops.cc (experimental::create_directories): Report
 227         an error when the path resolves to an existing non-directory (P1164).
 228         * src/filesystem/std-ops.cc (create_directories): Likewise. Handle
 229         empty filenames due to trailing slashes.
 230         * testsuite/27_io/filesystem/operations/create_directories.cc: Test
 231         when some component of the path exists and is not a directory. Test
 232         trailing slashes.
 233         * testsuite/experimental/filesystem/operations/create_directories.cc:
 234         Likewise.
 235
 236 2018-11-28  Jonathan Wakely  <jwakely@redhat.com>
 237
 238         PR libstdc++/83306
 239         * src/filesystem/path.cc (filesystem_error::_M_gen_what()): Create
 240         string directly, instead of calling fs_err_concat.
 241
 242         PR libstdc++/83511
 243         * include/std/string_view (basic_string_view::substr): Add default
 244         argument to first parameter.
 245         * include/experimental/string_view (basic_string_view::substr):
 246         Likewise.
 247         * testsuite/21_strings/basic_string_view/operations/substr/char/
 248         83511.cc: New test.
 249         * testsuite/21_strings/basic_string_view/operations/substr/wchar_t/
 250         83511.cc: New test.
 251         * testsuite/experimental/string_view/operations/substr/char/83511.cc:
 252         New test.
 253         * testsuite/experimental/string_view/operations/substr/wchar_t/83511.cc:
 254         New test.
 255
 256 2018-11-28  Edward Smith-Rowland  <3dw4rd@verizon.net>
 257
 258         Implement uniform container erasure for C++20.
 259         * include/Makefile.am: Move erase_if.h.
 260         * include/Makefile.in: Move erase_if.h.
 261         * include/experimental/bits/erase_if.h: Move ...
 262         * include/bits/erase_if.h: ... here.
 263         * include/experimental/map: Move erase_if.h.
 264         * include/experimental/set: Move erase_if.h.
 265         * include/experimental/unordered_map: Move erase_if.h.
 266         * include/experimental/unordered_set: Move erase_if.h.
 267         * include/std/deque (erase_if, erase): New functions.
 268         * include/std/forward_list: Ditto.
 269         * include/std/list: Ditto.
 270         * include/std/map: Ditto.
 271         * include/std/set: Ditto.
 272         * include/std/string: Ditto.
 273         * include/std/unordered_map: Ditto.
 274         * include/std/unordered_set: Ditto.
 275         * include/std/vector: Ditto.
 276         * testsuite/21_strings/basic_string/erasure.cc: New test.
 277         * testsuite/23_containers/deque/erasure.cc: New test.
 278         * testsuite/23_containers/forward_list/erasure.cc: New test.
 279         * testsuite/23_containers/list/erasure.cc: New test.
 280         * testsuite/23_containers/map/erasure.cc: New test.
 281         * testsuite/23_containers/set/erasure.cc: New test.
 282         * testsuite/23_containers/unordered_map/erasure.cc: New test.
 283         * testsuite/23_containers/unordered_set/erasure.cc: New test.
 284         * testsuite/23_containers/vector/erasure.cc: New test.
 285
 286 2018-11-28  Jonathan Wakely  <jwakely@redhat.com>
 287
 288         * doc/xml/manual/intro.xml: Document LWG 3096 change.
 289         * src/filesystem/std-path.cc (path::lexically_relative(const path&)):
 290         Treat a final empty element equivalently to a final dot element.
 291         * testsuite/27_io/filesystem/path/generation/relative.cc: Add checks
 292         for the examples in the DR.
 293
 294         PR libstdc++/83306
 295         * include/bits/fs_path.h (filesystem_error): Move data members into
 296         pimpl class owned by shared_ptr. Remove inline definitions of member
 297         functions.
 298         * src/filesystem/std-path.cc (filesystem_error::_Impl): Define.
 299         (filesystem_error): Define member functions.
 300         * testsuite/27_io/filesystem/filesystem_error/cons.cc: New test.
 301         * testsuite/27_io/filesystem/filesystem_error/copy.cc: New test.
 302
 303         * doc/xml/manual/status_cxx2017.xml: Update C++17 status.
 304         * doc/html/*: Regenerate.
 305
 306 2018-11-27  Jonathan Wakely  <jwakely@redhat.com>
 307
 308         * testsuite/27_io/filesystem/operations/canonical.cc: Remove
 309         directory created by test.
 310         * testsuite/27_io/filesystem/operations/symlink_status.cc: Remove
 311         symlink created by test.
 312
 313         PR libstdc++/67843
 314         * acinclude.m4 (GLIBCXX_ENABLE_LOCK_POLICY): Add new macro
 315         that defines _GLIBCXX_HAVE_ATOMIC_LOCK_POLICY.
 316         * config.h.in: Regenerate.
 317         * configure: Regenerate.
 318         * configure.ac: Use GLIBCXX_ENABLE_LOCK_POLICY.
 319         * doc/xml/manual/configure.xml: Document new configure option.
 320         * include/bits/fs_dir.h (directory_iterator): Use __shared_ptr
 321         instead of shared_ptr.
 322         (recursive_directory_iterator): Likewise.
 323         (__shared_ptr<_Dir>): Add explicit instantiation declaration.
 324         (__shared_ptr<recursive_directory_iterator::_Dir_stack>): Likewise.
 325         * include/bits/shared_ptr_base.h (__allocate_shared, __make_shared):
 326         Add default template argument for _Lock_policy template parameter.
 327         * include/ext/concurrence.h (__default_lock_policy): Check macro
 328         _GLIBCXX_HAVE_ATOMIC_LOCK_POLICY instead of checking if the current
 329         target supports the builtins for compare-and-swap.
 330         * src/filesystem/std-dir.cc (__shared_ptr<_Dir>): Add explicit
 331         instantiation definition.
 332         (__shared_ptr<recursive_directory_iterator::_Dir_stack>): Likewise.
 333         (directory_iterator, recursive_directory_iterator): Use __make_shared
 334         instead of make_shared.
 335
 336 2018-11-27  François Dumont  <fdumont@gcc.gnu.org>
 337
 338         PR libstdc++/88199
 339         * include/bits/hashtable.h (_Hashtable<>::_M_assign_elements): New.
 340         (_Hashtable<>::operator=(const _Hashtable&)): Use latter.
 341         (_Hashtable<>::_M_move_assign(_Hashtable&&, false_type)): Likewise.
 342         * testsuite/23_containers/unordered_set/allocator/move_assign.cc
 343         (test03): New.
 344
 345 2018-11-26  Jonathan Wakely  <jwakely@redhat.com>
 346
 347         * testsuite/26_numerics/complex/requirements/more_constexpr.cc: Fix
 348         failure on targets without __float128.
 349
 350 2018-11-23  Edward Smith-Rowland  <3dw4rd@verizon.net>
 351
 352         Implement P0415 More constexpr for std::complex.
 353         * include/std/complex (conj(complex<Tp>), norm(complex<Tp>)): Constexpr;
 354         (real(Tp), imag(Tp)): Constexpr;
 355         (operator@=(Tp), operator@=(complex<Tp>)): Constexpr;
 356         (operator@(Tp,complex<Tp>), operator@(complex<Tp>,Tp)
 357         operator@(complex<Tp>,complex<Tp>)): Constexpr.
 358         * testsuite/26_numerics/complex/comparison_operators/
 359         more_constexpr.cc: New test.
 360         * testsuite/26_numerics/complex/operators/more_constexpr.cc: New test.
 361         * testsuite/26_numerics/complex/requirements/
 362         more_constexpr.cc: New test.
 363         * testsuite/26_numerics/complex/value_operations/
 364         more_constexpr.cc: New test.
 365         * testsuite/26_numerics/headers/complex/synopsis.cc:
 366         Add _GLIBCXX20_CONSTEXPR to applicable operators; Add missing proj().
 367         * testsuite/26_numerics/headers/complex/synopsis.cc:
 368         Add _GLIBCXX20_CONSTEXPR to relevant decls.
 369
 370 2018-11-23  Martin Sebor  <msebor@redhat.com>
 371             Jonathan Wakely  <jwakely@redhat.com>
 372
 373         PR libstdc++/65229
 374         * python/libstdcxx/v6/printers.py (StdBitsetPrinter): Handle
 375         exception thrown for std::bitset<0>.
 376         * testsuite/libstdc++-prettyprinters/simple.cc: Test std::bitset<0>.
 377
 378 2018-11-23  Jonathan Wakely  <jwakely@redhat.com>
 379
 380         PR libstdc++/87308 (partial)
 381         * python/libstdcxx/v6/printers.py (StdExpAnyPrinter): Adjust regex to
 382         work around PR 88166.
 383         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test std::any
 384         containing a local type.
 385
 386 2018-11-22  Marc Glisse  <marc.glisse@inria.fr>
 387
 388         PR libstdc++/87106
 389         * include/bits/stl_algobase.h: Include <type_traits>.
 390         (__niter_base): Add noexcept specification.
 391         * include/bits/stl_deque.h: Include <bits/stl_uninitialized.h>.
 392         (__is_trivially_relocatable): Specialize for deque.
 393         * include/bits/stl_iterator.h: Include <type_traits>.
 394         (__niter_base): Add noexcept specification.
 395         * include/bits/stl_uninitialized.h (__is_trivially_relocatable):
 396         Add parameter for meta-programming.
 397         (__relocate_a_1, __relocate_a): Add noexcept specification.
 398         * include/bits/stl_vector.h (__use_relocate): Test __relocate_a.
 399
 400 2018-11-22  Jonathan Wakely  <jwakely@redhat.com>
 401
 402         PR libstdc++/85930
 403         PR libstdc++/87520
 404         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti)
 405         [__cpp_rtti]: Define even when RTTI is enabled. Use array of
 406         sizeof(type_info) so that type-punned reference binds to an object
 407         of the correct size as well as correct alignment.
 408         (_Sp_counted_ptr_inplace::_M_get_deleter) [__cpp_rtti]: Check for
 409         _S_ti() reference even when RTTI is enabled.
 410         (__shared_ptr(_Sp_make_shared_tag, const _Alloc&, _Args&&...))
 411         [__cpp_rtti]: Pass _S_ti() instead of typeid(_Sp_make_shared_tag).
 412
 413 2018-11-21  Jakub Jelinek  <jakub@redhat.com>
 414
 415         PR c++/87386
 416         * testsuite/20_util/scoped_allocator/69293_neg.cc: Adjust expected
 417         line.
 418         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
 419         * testsuite/20_util/uses_allocator/69293_neg.cc: Likewise.
 420         * testsuite/experimental/propagate_const/requirements2.cc: Likewise.
 421         * testsuite/experimental/propagate_const/requirements3.cc: Likewise.
 422         * testsuite/experimental/propagate_const/requirements4.cc: Likewise.
 423         * testsuite/experimental/propagate_const/requirements5.cc: Likewise.
 424
 425 2018-11-21  Jonathan Wakely  <jwakely@redhat.com>
 426
 427         PR libstdc++/88111
 428         * include/std/memory_resource (pool_options): Add Doxygen comments.
 429         * src/c++17/memory_resource.cc (pool_sizes): Only use suitable values
 430         on targets with 16-bit or 20-bit size_t type.
 431         (munge_options): Make default values depend on width of size_t type.
 432
 433         PR libstdc++/88113
 434         * src/c++17/memory_resource.cc (bitset::size_type): Use the smaller
 435         of uint32_t and size_t.
 436         (bitset::size(), bitset::free(), bitset::update_next_word())
 437         (bitset::max_blocks_per_chunk(), bitset::max_word_index()): Use
 438         size_type consistently instead of size_t.
 439         (chunk): Adjust static_assert checking sizeof(chunk).
 440
 441 2018-11-20  Ville Voutilainen  <ville.voutilainen@gmail.com>
 442
 443         Housekeeping for the effective targets of optional's tests.
 444         * testsuite/20_util/optional/77288.cc: Adjust.
 445         * testsuite/20_util/optional/84601.cc: Likewise.
 446         * testsuite/20_util/optional/assignment/1.cc: Likewise.
 447         * testsuite/20_util/optional/assignment/2.cc: Likewise.
 448         * testsuite/20_util/optional/assignment/3.cc: Likewise.
 449         * testsuite/20_util/optional/assignment/4.cc: Likewise.
 450         * testsuite/20_util/optional/assignment/5.cc: Likewise.
 451         * testsuite/20_util/optional/assignment/6.cc: Likewise.
 452         * testsuite/20_util/optional/assignment/7.cc: Likewise.
 453         * testsuite/20_util/optional/assignment/8.cc: Likewise.
 454         * testsuite/20_util/optional/cons/77727.cc: Likewise.
 455         * testsuite/20_util/optional/cons/copy.cc: Likewise.
 456         * testsuite/20_util/optional/cons/deduction.cc: Likewise.
 457         * testsuite/20_util/optional/cons/default.cc: Likewise.
 458         * testsuite/20_util/optional/cons/move.cc: Likewise.
 459         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
 460         * testsuite/20_util/optional/cons/value.cc: Likewise.
 461         * testsuite/20_util/optional/cons/value_neg.cc: Likewise.
 462         * testsuite/20_util/optional/constexpr/cons/default.cc: Likewise.
 463         * testsuite/20_util/optional/constexpr/cons/value.cc: Likewise.
 464         * testsuite/20_util/optional/constexpr/in_place.cc: Likewise.
 465         * testsuite/20_util/optional/constexpr/nullopt.cc: Likewise.
 466         * testsuite/20_util/optional/constexpr/observers/1.cc: Likewise.
 467         * testsuite/20_util/optional/constexpr/observers/4.cc: Likewise.
 468         * testsuite/20_util/optional/constexpr/observers/5.cc: Likewise.
 469         * testsuite/20_util/optional/constexpr/relops/1.cc: Likewise.
 470         * testsuite/20_util/optional/constexpr/relops/2.cc: Likewise.
 471         * testsuite/20_util/optional/constexpr/relops/3.cc: Likewise.
 472         * testsuite/20_util/optional/constexpr/relops/4.cc: Likewise.
 473         * testsuite/20_util/optional/constexpr/relops/5.cc: Likewise.
 474         * testsuite/20_util/optional/constexpr/relops/6.cc: Likewise.
 475         * testsuite/20_util/optional/in_place.cc: Likewise.
 476         * testsuite/20_util/optional/make_optional.cc: Likewise.
 477         * testsuite/20_util/optional/nullopt.cc: Likewise.
 478         * testsuite/20_util/optional/observers/1.cc: Likewise.
 479         * testsuite/20_util/optional/observers/2.cc: Likewise.
 480         * testsuite/20_util/optional/observers/3.cc: Likewise.
 481         * testsuite/20_util/optional/observers/4.cc: Likewise.
 482         * testsuite/20_util/optional/observers/5.cc: Likewise.
 483         * testsuite/20_util/optional/observers/6.cc: Likewise.
 484         * testsuite/20_util/optional/relops/1.cc: Likewise.
 485         * testsuite/20_util/optional/relops/2.cc: Likewise.
 486         * testsuite/20_util/optional/relops/3.cc: Likewise.
 487         * testsuite/20_util/optional/relops/4.cc: Likewise.
 488         * testsuite/20_util/optional/relops/5.cc: Likewise.
 489         * testsuite/20_util/optional/relops/6.cc: Likewise.
 490         * testsuite/20_util/optional/relops/7.cc: Likewise.
 491         * testsuite/20_util/optional/requirements.cc: Likewise.
 492         * testsuite/20_util/optional/swap/1.cc: Likewise.
 493         * testsuite/20_util/optional/swap/2.cc: Likewise.
 494         * testsuite/20_util/optional/typedefs.cc: Likewise.
 495
 496 2018-11-19  François Dumont  <fdumont@gcc.gnu.org>
 497
 498         * include/ext/throw_allocator.h
 499         (annotate_base::insert(void*, size_t)): Use insert result to check for
 500         double insert attempt.
 501         (annotate_base::insert_construct(void*)): Likewise.
 502         (annotate_base::check_allocated(void*, size_t)): Return found iterator.
 503         (annotate_base::erase(void*, size_t)): Use latter method returned
 504         iterator.
 505         (annotate_base::check_constructed(void*, size_t)): Return found iterator.
 506         (annotate_base::erase_construct(void*)): Use latter method returned
 507         iterator.
 508
 509 2018-11-19  Ville Voutilainen  <ville.voutilainen@gmail.com>
 510
 511         PR libstdc++/87855
 512         Also implement P0602R4 (variant and optional
 513         should propagate copy/move triviality) for std::optional.
 514         * include/std/optional (_Optional_payload): Change
 515         the main constraints to check constructibility in
 516         addition to assignability.
 517         (operator=): Make constexpr.
 518         (_M_reset): Likewise.
 519         (_M_construct): Likewise.
 520         (operator->): Likewise.
 521         * testsuite/20_util/optional/assignment/8.cc: Adjust.
 522         * testsuite/20_util/optional/assignment/9.cc: New.
 523
 524 2018-11-19  Jonathan Wakely  <jwakely@redhat.com>
 525
 526         PR libstdc++/88084 - Implement LWG 2777
 527         * include/std/string_view (basic_string_view::copy): Use traits to
 528         copy.
 529         * testsuite/21_strings/basic_string_view/operations/copy/char/2.cc:
 530         New test.
 531         * testsuite/21_strings/basic_string_view/operations/copy/wchar_t/2.cc:
 532         New test.
 533
 534 2018-11-18  Michele Pezzutti <mpezz@tiscali.it>
 535             Edward Smith-Rowland  <3dw4rd@verizon.net>
 536
 537         PR libstdc++/83566 - cyl_bessel_j returns wrong result for x>1000
 538         for high orders.
 539         * include/tr1/bessel_function.tcc: Perform no fewer than nu/2 iterations
 540         of the asymptotic series (nu is the Bessel order).
 541         * testsuite/tr1/5_numerical_facilities/special_functions/
 542         09_cyl_bessel_j/check_value.cc: Add tests at nu=100, 1000<=x<=2000.
 543         * testsuite/tr1/5_numerical_facilities/special_functions/
 544         11_cyl_neumann/check_value.cc: Ditto.
 545         * testsuite/special_functions/08_cyl_bessel_j/check_value.cc: Ditto.
 546         * testsuite/special_functions/10_cyl_neumann/check_value.cc: Ditto.
 547
 548 2018-11-17  Jonathan Wakely  <jwakely@redhat.com>
 549
 550         Implement std::pmr::synchronized_pool_resource
 551         * config/abi/pre/gnu.ver: Add new symbols.
 552         * include/std/memory_resource [_GLIBCXX_HAS_GTHREADS]
 553         (__cpp_lib_memory_resource): Define to expected value, 201603.
 554         (synchronized_pool_resource): New class.
 555         [!_GLIBCXX_HAS_GTHREADS] (__cpp_lib_memory_resource): Define to 1.
 556         * include/std/shared_mutex (__glibcxx_rwlock_rdlock)
 557         (__glibcxx_rwlock_tryrdlock, __glibcxx_rwlock_wrlock)
 558         (__glibcxx_rwlock_trywrlock, __glibcxx_rwlock_unlock)
 559         (__glibcxx_rwlock_destroy, __glibcxx_rwlock_init)
 560         (__glibcxx_rwlock_timedrdlock, __glibcxx_rwlock_timedwrlock): Define
 561         weak symbols for POSIX rwlock functions.
 562         (__shared_mutex_pthread): Use weak symbols.
 563         * include/std/version (__cpp_lib_memory_resource): Define.
 564         * src/c++17/memory_resource.cc [_GLIBCXX_HAS_GTHREADS]
 565         (synchronized_pool_resource::_TPools): New class.
 566         (destroy_TPools): New function for pthread_key_create destructor.
 567         (synchronized_pool_resource::synchronized_pool_resource)
 568         (synchronized_pool_resource::~synchronized_pool_resource)
 569         (synchronized_pool_resource::release)
 570         (synchronized_pool_resource::do_allocate)
 571         (synchronized_pool_resource::do_deallocate): Define public members.
 572         (synchronized_pool_resource::_M_thread_specific_pools)
 573         (synchronized_pool_resource::_M_alloc_tpools)
 574         (synchronized_pool_resource::_M_alloc_shared_tpools): Define private
 575         members.
 576         * testsuite/20_util/synchronized_pool_resource/allocate.cc: New test.
 577         * testsuite/20_util/synchronized_pool_resource/cons.cc: New test.
 578         * testsuite/20_util/synchronized_pool_resource/is_equal.cc: New test.
 579         * testsuite/20_util/synchronized_pool_resource/multithreaded.cc: New
 580         test.
 581         * testsuite/20_util/synchronized_pool_resource/release.cc: New test.
 582         * testsuite/performance/20_util/memory_resource/pools.cc: Add
 583         multithreaded tests using pmr::synchronized_pool_resource.
 584
 585 2018-11-16  Renlin Li  <renlin.li@arm.com>
 586             Tejas Belagod  <tejas.belagod@arm.com>
 587
 588         testsuite/lib/libstdc++.exp (check_v3_target_prop_cached): New proc.
 589         (check_v3_target): Use the check_v3_target_prop_cached.
 590
 591 2018-11-15  Jonathan Wakely  <jwakely@redhat.com>
 592
 593         * scripts/check_performance: Allow tests to choose a -std flag.
 594         * src/c++17/memory_resource.cc (bitset::get_first_unset()): Use local
 595         variables of the right types. Call update_next_word() unconditionally.
 596         * testsuite/20_util/unsynchronized_pool_resource/cons.cc: New test.
 597         * testsuite/performance/20_util/memory_resource/pools.cc: New test.
 598         * testsuite/util/testsuite_performance.h (time_counter): Allow
 599         timer to be restarted.
 600
 601         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: Fix
 602         test for 32-bit targets. Test additional allocation sizes.
 603
 604 2018-11-14  Jonathan Wakely  <jwakely@redhat.com>
 605
 606         * scripts/create_testsuite_files: Add special_functions to the list
 607         of directories to search. Add comment referring to conformance.exp.
 608         * testsuite/libstdc++-dg/conformance.exp: Add comment referring
 609         to create_testsuite_files.
 610
 611 2018-11-13  Jonathan Wakely  <jwakely@redhat.com>
 612
 613         * src/c++17/memory_resource.cc (select_num_pools): Fix off-by-one
 614         error when block_size is equal to one of the values in the array.
 615
 616         * src/c++17/memory_resource.cc (_Pool::deallocate): Restore
 617         attributes to parameters that are only used in assertions.
 618
 619         * src/c++17/memory_resource.cc (bitset::find_first_unset()): Remove
 620         unused function.
 621         (bitset::get_first_unset()): Remove loop, if there's are unset bits
 622         then _M_next_word refers to the first one and there's no need to loop.
 623         (_Pool::_Pool(size_t, size_t), _Pool::block_size()): Remove dead code.
 624
 625         * src/c++17/memory_resource.cc (munge_options): Round up value of
 626         largest_required_pool_block to multiple of smallest pool size. Round
 627         excessively large values down to largest pool size.
 628         (select_num_pools): Increase number of pools by one unless it exactly
 629         matches requested largest_required_pool_block.
 630         (__pool_resource::_M_alloc_pools()): Make largest pool size equal
 631         largest_required_pool_block.
 632         * testsuite/20_util/unsynchronized_pool_resource/options.cc: Check
 633         that pool_options::largest_required_pool_block is set appropriately.
 634
 635         * src/c++17/memory_resource.cc (big_block): Improve comments.
 636         (big_block::all_ones): Remove.
 637         (big_block::big_block(size_t, size_t)): Use alloc_size.
 638         (big_block::size()): Add comment, replace all_ones with equivalent
 639         expression.
 640         (big_block::align()): Shift value of correct type.
 641         (big_block::alloc_size(size_t)): New function to round up size.
 642         (__pool_resource::allocate(size_t, size_t)): Add comment.
 643         (__pool_resource::deallocate(void*, size_t, size_t)): Likewise. Fix
 644         incorrect assertion by using big_block::alloc_size(size_t).
 645         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: Add
 646         more tests for unpooled allocations.
 647
 648         * src/c++17/memory_resource.cc (bitset::full()): Handle edge case
 649         for _M_next_word maximum value.
 650         (bitset::get_first_unset(), bitset::set(size_type)): Use
 651         update_next_word() to update _M_next_word.
 652         (bitset::update_next_word()): New function, avoiding wraparound of
 653         unsigned _M_next_word member.
 654         (bitset::max_word_index()): New function.
 655         (chunk::chunk(void*, uint32_t, void*, size_t)): Add assertion.
 656         (chunk::max_bytes_per_chunk()): New function.
 657         (pool::replenish(memory_resource*, const pool_options&)): Prevent
 658         _M_blocks_per_chunk from exceeding max_blocks_per_chunk or from
 659         causing chunk::max_bytes_per_chunk() to be exceeded.
 660         * testsuite/20_util/unsynchronized_pool_resource/allocate-max-chunks.cc:
 661         New test.
 662
 663 2018-11-12  Jason Merrill  <jason@redhat.com>
 664
 665         * libsupc++/new (std::destroying_delete_t): New.
 666
 667 2018-11-12  Jonathan Wakely  <jwakely@redhat.com>
 668
 669         PR libstdc++/87963
 670         * src/c++17/memory_resource.cc (chunk::_M_bytes): Change type from
 671         unsigned to uint32_t.
 672         (chunk): Fix static assertion for 64-bit targets that aren't LP64.
 673         (bigblock::all_ones): Fix undefined shift.
 674
 675 2018-11-11  Hans-Peter Nilsson  <hp@axis.com>
 676
 677         PR libstdc++-v3/54005
 678         * include/bits/atomic_base.h (__atomic_base<_TTp>::is_lock_free(),
 679         __atomic_base<_PTp*>::is_lock_free()): Call __atomic_is_lock_free
 680         with the type-derived _S_alignment instead of __alignof the object.
 681         * include/std/atomic (atomic<T>::is_lock_free()): Likewise.
 682
 683 2018-11-11  Jonathan Wakely  <jwakely@redhat.com>
 684
 685         Implement P0318R1 unwrap_ref_decay and unwrap_reference
 686         * include/std/type_traits (unwrap_reference, unwrap_reference_t)
 687         (unwrap_ref_decay, unwrap_ref_decay_t): New traits and aliases.
 688         * testsuite/20_util/unwrap_reference/1.cc: New test.
 689         * testsuite/20_util/unwrap_reference/2.cc: New test.
 690
 691         Implement P1007R3 std::assume_aligned
 692         * include/std/memory (assume_aligned): Implement for C++17.
 693         * testsuite/20_util/assume_aligned/1.cc: New test.
 694         * testsuite/20_util/assume_aligned/2_neg.cc: New test.
 695         * testsuite/20_util/assume_aligned/3.cc: New test.
 696
 697 2018-11-09  Jonathan Wakely  <jwakely@redhat.com>
 698
 699         PR libstdc++/87787
 700         * include/bits/stl_uninitialized.h (__relocate_a_1): Do not call
 701         memmove when there's nothing to copy (and pointers could be null).
 702
 703 2018-11-07  Hafiz Abid Qadeer  <abidh@codesourcery.com>
 704
 705         * configure: Regenerated.
 706
 707 2018-11-07  Jonathan Wakely  <jwakely@redhat.com>
 708
 709         * config/abi/pre/gnu.ver: Fix patterns for size_t parameters.
 710
 711 2018-11-06  Jonathan Wakely  <jwakely@redhat.com>
 712
 713         Implement std::pmr::unsynchronized_pool_resource
 714         * config/abi/pre/gnu.ver: Add new symbols.
 715         * include/std/memory_resource (std::pmr::__pool_resource): New class.
 716         (std::pmr::unsynchronized_pool_resource): New class.
 717         * src/c++17/Makefile.am: Add -fimplicit-templates to flags for
 718         memory_resource.cc
 719         * src/c++17/Makefile.in: Regenerate.
 720         * src/c++17/memory_resource.cc (bitset, chunk, big_block): New
 721         internal classes.
 722         (__pool_resource::_Pool): Define new class.
 723         (munge_options, pool_index, select_num_pools): New internal functions.
 724         (__pool_resource::__pool_resource, __pool_resource::~__pool_resource)
 725         (__pool_resource::allocate, __pool_resource::deallocate)
 726         (__pool_resource::_M_alloc_pools): Define member functions.
 727         (unsynchronized_pool_resource::unsynchronized_pool_resource)
 728         (unsynchronized_pool_resource::~unsynchronized_pool_resource)
 729         (unsynchronized_pool_resource::release)
 730         (unsynchronized_pool_resource::_M_find_pool)
 731         (unsynchronized_pool_resource::do_allocate)
 732         (unsynchronized_pool_resource::do_deallocate): Define member
 733         functions.
 734         * testsuite/20_util/unsynchronized_pool_resource/allocate.cc: New
 735         test.
 736         * testsuite/20_util/unsynchronized_pool_resource/is_equal.cc: New
 737         test.
 738         * testsuite/20_util/unsynchronized_pool_resource/options.cc: New
 739         test.
 740         * testsuite/20_util/unsynchronized_pool_resource/release.cc: New
 741         test.
 742
 743 2018-11-06  John Bytheway  <jbytheway@gmail.com>
 744
 745         PR libstdc++/87872
 746         * include/debug/safe_sequence.tcc
 747         (_Safe_sequence<>::_M_transfer_from_if): Skip transfer to self.
 748
 749 2018-10-31  Joseph Myers  <joseph@codesourcery.com>
 750
 751         PR bootstrap/82856
 752         * Makefile.am: Include multilib.am.
 753         * configure.ac: Remove AC_PREREQ.
 754         * Makefile.in, aclocal.m4, configure, doc/Makefile.in,
 755         include/Makefile.in, libsupc++/Makefile.in, po/Makefile.in,
 756         python/Makefile.in, src/Makefile.in, src/c++11/Makefile.in,
 757         src/c++17/Makefile.in, src/c++98/Makefile.in,
 758         src/filesystem/Makefile.in, testsuite/Makefile.in: Regenerate.
 759
 760 2018-10-31  Jonathan Wakely  <jwakely@redhat.com>
 761
 762         * testsuite/20_util/pair/87822.cc: Test deeper nesting.
 763
 764         PR libstdc++/87822
 765         * include/bits/stl_pair.h (__pair_base): Change to class template.
 766         (pair): Make base class type depend on template parameters.
 767         * testsuite/20_util/pair/87822.cc: New test.
 768
 769 2018-10-30  Marek Polacek  <polacek@redhat.com>
 770
 771         Implement P0892R2, explicit(bool).
 772         * testsuite/20_util/any/cons/explicit.cc: Adjust dg-error.
 773         * testsuite/20_util/pair/cons/explicit_construct.cc: Likewise.
 774         * testsuite/20_util/tuple/cons/explicit_construct.cc: Likewise.
 775
 776 2018-10-30  Jonathan Wakely  <jwakely@redhat.com>
 777
 778         PR libstdc++/87809
 779         * include/bits/forward_list.h (_Fwd_list_impl::_Fwd_list_impl()): Use
 780         trait in exception-specification instead of possibly invalid
 781         expression.
 782         * include/bits/stl_bvector.h (_Bvector_impl::_Bvector_impl()):
 783         Likewise.
 784         * include/bits/stl_list.h (_List_impl::_List_impl()): Likewise.
 785         * include/bits/stl_vector.h (_Vector_impl::_Vector_impl()): Likewise.
 786         * testsuite/23_containers/forward_list/cons/87809.cc: New test.
 787         * testsuite/23_containers/list/cons/87809.cc: New test.
 788         * testsuite/23_containers/vector/bool/cons/87809.cc: New test.
 789         * testsuite/23_containers/vector/cons/87809.cc: New test.
 790
 791         PR libstdc++/87784
 792         * include/tr2/dynamic_bitset (dynamic_bitset::push_back): When there
 793         are no unused bits in the last block, append a new block with the
 794         right value so the bit doesn't need to be set. Only increment size
 795         after setting the new bit, not before.
 796         * testsuite/tr2/dynamic_bitset/pr87784.cc: New test.
 797
 798 2018-10-29  David Malcolm  <dmalcolm@redhat.com>
 799
 800         * testsuite/17_intro/using_namespace_std_exp_neg.cc: Remove
 801         "expected namespace-name before" error.
 802         * testsuite/17_intro/using_namespace_std_tr1_neg.cc: Likewise.
 803
 804 2018-10-28  François Dumont  <fdumont@gcc.gnu.org>
 805
 806         * testsuite/23_containers/deque/48101_neg.cc: Remove dg-prune-output
 807         'std' from regex pattern for versioned namespace compatibility.
 808         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
 809         * testsuite/27_io/filesystem/path/io/dr2989.cc: Likewise.
 810
 811 2018-10-25  Jonathan Wakely  <jwakely@redhat.com>
 812
 813         PR libstdc++/87749
 814         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 815         (basic_string::operator=(basic_string&&)): For short strings copy the
 816         buffer inline. Only fall back to using assign(const basic_string&) to
 817         do a deep copy when reallocation is needed.
 818         * testsuite/21_strings/basic_string/modifiers/assign/char/87749.cc:
 819         New test.
 820         * testsuite/21_strings/basic_string/modifiers/assign/char/
 821         move_assign_optim.cc: New test.
 822         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/87749.cc:
 823         New test.
 824         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
 825         move_assign_optim.cc: New test.
 826
 827 2018-10-25  Marc Glisse  <marc.glisse@inria.fr>
 828
 829         PR libstdc++/87106
 830         * include/bits/alloc_traits.h (_S_construct, _S_destroy, construct,
 831         destroy): Add noexcept specification.
 832         * include/bits/allocator.h (construct, destroy): Likewise.
 833         * include/ext/alloc_traits.h (construct, destroy): Likewise.
 834         * include/ext/malloc_allocator.h (construct, destroy): Likewise.
 835         * include/ext/new_allocator.h (construct, destroy): Likewise.
 836         * include/bits/stl_uninitialized.h (__relocate_object_a, __relocate_a,
 837         __relocate_a_1): New functions.
 838         (__is_trivially_relocatable): New class.
 839         * include/bits/stl_vector.h (__use_relocate): New static member.
 840         * include/bits/vector.tcc (reserve, _M_realloc_insert,
 841         _M_default_append): Use __relocate_a.
 842         (reserve, _M_assign_aux, _M_realloc_insert, _M_fill_insert,
 843         _M_default_append, _M_range_insert): Move _GLIBCXX_ASAN_ANNOTATE_REINIT
 844         after _Destroy.
 845         * testsuite/23_containers/vector/modifiers/push_back/49836.cc:
 846         Replace CopyConsOnlyType with DelAnyAssign.
 847
 848 2018-10-24  François Dumont  <fdumont@gcc.gnu.org>
 849
 850         * include/debug/safe_unordered_container.h
 851         (_Safe_unordered_container<>::_M_invalidate_locals): Take lambda
 852         parameter type from local end variable.
 853         (_Safe_unordered_container<>::_M_invalidate_all): Likewise.
 854         * include/debug/unordered_map
 855         (unordered_map<>::begin()): Use C++11 direct initialization.
 856         (unordered_map<>::end()): Likewise.
 857         (unordered_map<>::cbegin()): Likewise.
 858         (unordered_map<>::cend()): Likewise.
 859         (unordered_map<>::begin(size_type)): Likewise.
 860         (unordered_map<>::end(size_type)): Likewise.
 861         (unordered_map<>::cbegin(size_type)): Likewise.
 862         (unordered_map<>::cend(size_type)): Likewise.
 863         (unordered_map<>::emplace<>(_Args&&...)): Likewise.
 864         (unordered_map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 865         (unordered_map<>::insert(const value_type&)): Likewise.
 866         (unordered_map<>::insert(value_type&&)): Likewise.
 867         (unordered_map<>::insert<>(_Pair&&)): Likewise.
 868         (unordered_map<>::insert(const_iterator, const value_type&)): Likewise.
 869         (unordered_map<>::insert(const_iterator, value_type&&)): Likewise.
 870         (unordered_map<>::insert<>(const_iterator, _Pair&&)): Likewise.
 871         (unordered_map<>::try_emplace<>(const key_type&, _Args&&...)): Likewise.
 872         (unordered_map<>::try_emplace<>(key_type&&, _Args&&...)): Likewise.
 873         (unordered_map<>::try_emplace<>(const_iterator, const key_type&,
 874         _Args&&...)): Likewise.
 875         (unordered_map<>::try_emplace<>(const_iterator, key_type&&,
 876         _Args&&...)): Likewise.
 877         (unordered_map<>::insert_or_assign<>(const key_type&, _Obj&&)): Likewise.
 878         (unordered_map<>::insert_or_assign<>(key_type&&, _Obj&&)): Likewise.
 879         (unordered_map<>::insert_or_assign<>(const_iterator, const key_type&,
 880         _Obj&&)): Likewise.
 881         (unordered_map<>::insert_or_assign<>(const_iterator, key_type&&,
 882         _Obj&&)): Likewise.
 883         (unordered_map<>::insert(note_type&&)): Likewise.
 884         (unordered_map<>::find(const key_type&)): Likewise.
 885         (unordered_map<>::equal_range(const key_type&)): Likewise.
 886         (unordered_map<>::_M_extract): New.
 887         (unordered_map<>::extract(const_iterator)): Use latter.
 888         (unordered_map<>::extract(const key_type&)): Likewise.
 889         (unordered_map<>::_M_erase): New.
 890         (unordered_map<>::erase(const key_type&)): Use latter.
 891         (unordered_map<>::erase(const_iterator)): Likewise.
 892         (unordered_map<>::erase(iterator)): Likewise.
 893         (unordered_map<>::_M_invalidate): New.
 894         (unordered_map<>::erase(const_iterator, const_iterator)): Use latter.
 895         (unordered_multimap<>::begin()): Use C++11 direct initialization.
 896         (unordered_multimap<>::end()): Likewise.
 897         (unordered_multimap<>::cbegin()): Likewise.
 898         (unordered_multimap<>::cend()): Likewise.
 899         (unordered_multimap<>::begin(size_type)): Likewise.
 900         (unordered_multimap<>::end(size_type)): Likewise.
 901         (unordered_multimap<>::cbegin(size_type)): Likewise.
 902         (unordered_multimap<>::cend(size_type)): Likewise.
 903         (unordered_multimap<>::emplace<>(_Args&&...)): Likewise.
 904         (unordered_multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 905         (unordered_multimap<>::insert(const value_type&)): Likewise.
 906         (unordered_multimap<>::insert(const_iterator, const value_type&)): Likewise.
 907         (unordered_multimap<>::insert(const_iterator, value_type&&)): Likewise.
 908         (unordered_multimap<>::insert<>(_Pair&&)): Likewise.
 909         (unordered_multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
 910         (unordered_multimap<>::insert(note_type&&)): Likewise.
 911         (unordered_multimap<>::insert(const_iterator, note_type&&)): Likewise.
 912         (unordered_multimap<>::find(const key_type&)): Likewise.
 913         (unordered_multimap<>::equal_range(const key_type&)): Likewise.
 914         (unordered_multimap<>::_M_extract): New.
 915         (unordered_multimap<>::extract(const_iterator)): Use latter.
 916         (unordered_multimap<>::extract(const key_type&)): Likewise.
 917         (unordered_multimap<>::_M_erase): New.
 918         (unordered_multimap<>::erase(const_iterator)): Likewise.
 919         (unordered_multimap<>::erase(iterator)): Likewise.
 920         (unordered_multimap<>::_M_invalidate): New.
 921         (unordered_multimap<>::erase(const key_type&)): Use latter.
 922         (unordered_multimap<>::erase(const_iterator, const_iterator)): Likewise.
 923         * include/debug/unordered_set
 924         (unordered_set<>::begin()): Use C++11 direct initialization.
 925         (unordered_set<>::end()): Likewise.
 926         (unordered_set<>::cbegin()): Likewise.
 927         (unordered_set<>::cend()): Likewise.
 928         (unordered_set<>::begin(size_type)): Likewise.
 929         (unordered_set<>::end(size_type)): Likewise.
 930         (unordered_set<>::cbegin(size_type)): Likewise.
 931         (unordered_set<>::cend(size_type)): Likewise.
 932         (unordered_set<>::emplace<>(_Args&&...)): Likewise.
 933         (unordered_set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 934         (unordered_set<>::insert(const value_type&)): Likewise.
 935         (unordered_set<>::insert(value_type&&)): Likewise.
 936         (unordered_set<>::insert(const_iterator, const value_type&)): Likewise.
 937         (unordered_set<>::insert(const_iterator, value_type&&)): Likewise.
 938         (unordered_set<>::insert(note_type&&)): Likewise.
 939         (unordered_set<>::insert(const_iterator, note_type&&)): Likewise.
 940         (unordered_set<>::find(const key_type&)): Likewise.
 941         (unordered_set<>::equal_range(const key_type&)): Likewise.
 942         (unordered_set<>::_M_extract): New.
 943         (unordered_set<>::extract(const_iterator)): Use latter.
 944         (unordered_set<>::extract(const key_type&)): Likewise.
 945         (unordered_set<>::_M_erase): New.
 946         (unordered_set<>::erase(const key_type&)): Use latter.
 947         (unordered_set<>::erase(const_iterator)): Likewise.
 948         (unordered_set<>::erase(iterator)): Likewise.
 949         (unordered_set<>::_M_invalidate): New.
 950         (unordered_set<>::erase(const_iterator, const_iterator)): Use latter.
 951         (unordered_multiset<>::begin()): Use C++11 direct initialization.
 952         (unordered_multiset<>::end()): Likewise.
 953         (unordered_multiset<>::cbegin()): Likewise.
 954         (unordered_multiset<>::cend()): Likewise.
 955         (unordered_multiset<>::begin(size_type)): Likewise.
 956         (unordered_multiset<>::end(size_type)): Likewise.
 957         (unordered_multiset<>::cbegin(size_type)): Likewise.
 958         (unordered_multiset<>::cend(size_type)): Likewise.
 959         (unordered_multiset<>::emplace<>(_Args&&...)): Likewise.
 960         (unordered_multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
 961         (unordered_multiset<>::insert(const value_type&)): Likewise.
 962         (unordered_multiset<>::insert(const_iterator, const value_type&)): Likewise.
 963         (unordered_multiset<>::insert(value_type&&)): Likewise.
 964         (unordered_multiset<>::insert(const_iterator, value_type&&)): Likewise.
 965         (unordered_multiset<>::insert(node_type&&)): Likewise.
 966         (unordered_multiset<>::insert(const_iterator, node_type&&)): Likewise.
 967         (unordered_multiset<>::find(const key_type&)): Likewise.
 968         (unordered_multiset<>::equal_range(const key_type&)): Likewise.
 969         (unordered_multiset<>::_M_extract): New.
 970         (unordered_multiset<>::extract(const_iterator)): Use latter.
 971         (unordered_multiset<>::extract(const key_type&)): Likewise.
 972         (unordered_multiset<>::_M_erase): New.
 973         (unordered_multiset<>::erase(const_iterator)): Likewise.
 974         (unordered_multiset<>::erase(iterator)): Likewise.
 975         (unordered_multiset<>::_M_invalidate): New.
 976         (unordered_multiset<>::erase(const key_type&)): Use latter.
 977         (unordered_multiset<>::erase(const_iterator, const_iterator)): Likewise.
 978
 979         * include/c_global/cstddef: Add versioned namespace.
 980
 981 2018-10-23  Jonathan Wakely  <jwakely@redhat.com>
 982
 983         PR libstdc++/87704
 984         * include/bits/unique_ptr.h (unique_ptr::unique_ptr(nullptr_t)): Do
 985         not delegate to default constructor.
 986         (unique_ptr<T[], D>::unique_ptr(nullptr_t)): Likewise.
 987         * testsuite/20_util/unique_ptr/cons/incomplete.cc: New test.
 988
 989 2018-10-20  François Dumont  <fdumont@gcc.gnu.org>
 990
 991         * testsuite/util/testsuite_containers.h
 992         (forward_members_unordered<>::forward_members_unordered
 993         (const value_type&)): Add local_iterator pre and post increment checks.
 994         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 new symbol.
 995
 996 2018-10-19  Jonathan Wakely  <jwakely@redhat.com>
 997
 998         * testsuite/23_containers/array/requirements/explicit_instantiation/
 999         3.cc: Skip test when compiled with a -std=c++NN strict mode.
1000         * testsuite/23_containers/deque/requirements/explicit_instantiation/
1001         3.cc: Likewise.
1002         * testsuite/23_containers/forward_list/requirements/
1003         explicit_instantiation/3.cc: Likewise.
1004         * testsuite/23_containers/list/requirements/explicit_instantiation/
1005         3.cc: Likewise.
1006         * testsuite/23_containers/map/requirements/explicit_instantiation/
1007         3.cc: Likewise.
1008         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1009         3.cc: Likewise.
1010         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1011         3.cc: Likewise.
1012         * testsuite/23_containers/set/requirements/explicit_instantiation/
1013         3.cc: Likewise.
1014         * testsuite/23_containers/unordered_map/requirements/
1015         explicit_instantiation/3.cc: Likewise.
1016         * testsuite/23_containers/unordered_multimap/requirements/
1017         explicit_instantiation/3.cc: Likewise.
1018         * testsuite/23_containers/unordered_multiset/requirements/
1019         explicit_instantiation/3.cc: Likewise.
1020         * testsuite/23_containers/unordered_set/requirements/
1021         explicit_instantiation/3.cc: Likewise.
1022         * testsuite/23_containers/vector/ext_pointer/explicit_instantiation/
1023         3.cc: Likewise.
1024         * testsuite/23_containers/vector/requirements/explicit_instantiation/
1025         3.cc: Likewise.
1026
1027         * testsuite/23_containers/deque/48101_neg.cc: Prune additional errors
1028         printed when __STRICT_ANSI__ is defined.
1029         * testsuite/23_containers/forward_list/48101_neg.cc: Likewise.
1030         * testsuite/23_containers/list/48101_neg.cc: Likewise.
1031         * testsuite/23_containers/multiset/48101_neg.cc: Likewise.
1032         * testsuite/23_containers/set/48101_neg.cc: Likewise.
1033         * testsuite/23_containers/unordered_multiset/48101_neg.cc: Likewise.
1034         * testsuite/23_containers/unordered_set/48101_neg.cc: Likewise.
1035         * testsuite/23_containers/vector/48101_neg.cc: Likewise.
1036
1037         * testsuite/23_containers/forward_list/requirements/
1038         explicit_instantiation/5.cc [__STRICT_ANSI__]: Don't test non-standard
1039         extension.
1040         * testsuite/23_containers/list/requirements/explicit_instantiation/
1041         5.cc [__STRICT_ANSI__]: Likewise.
1042         * testsuite/23_containers/map/requirements/explicit_instantiation/5.cc
1043         [__STRICT_ANSI__]: Likewise.
1044         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1045         5.cc [__STRICT_ANSI__]: Likewise.
1046         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1047         5.cc [__STRICT_ANSI__]: Likewise.
1048         * testsuite/23_containers/set/requirements/explicit_instantiation/5.cc
1049         [__STRICT_ANSI__]: Likewise.
1050         * testsuite/23_containers/unordered_map/requirements/debug_container.cc
1051         [__STRICT_ANSI__]: Likewise.
1052         * testsuite/23_containers/unordered_map/requirements/
1053         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
1054         * testsuite/23_containers/unordered_multimap/requirements/
1055         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
1056         * testsuite/23_containers/unordered_multiset/requirements/
1057         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
1058         * testsuite/23_containers/unordered_set/requirements/
1059         explicit_instantiation/5.cc [__STRICT_ANSI__]: Likewise.
1060
1061         * testsuite/20_util/scoped_allocator/1.cc: Use allocator with correct
1062         value type for the container.
1063         * testsuite/23_containers/forward_list/cons/14.cc: Likewise.
1064         * testsuite/23_containers/map/56613.cc: Likewise.
1065         * testsuite/23_containers/unordered_map/55043.cc: Likewise.
1066         * testsuite/23_containers/unordered_map/allocator/copy.cc: Likewise.
1067         * testsuite/23_containers/unordered_map/allocator/copy_assign.cc:
1068         Likewise.
1069         * testsuite/23_containers/unordered_map/allocator/minimal.cc:
1070         Likewise.
1071         * testsuite/23_containers/unordered_map/allocator/move.cc: Likewise.
1072         * testsuite/23_containers/unordered_map/allocator/move_assign.cc:
1073         Likewise.
1074         * testsuite/23_containers/unordered_map/allocator/noexcept.cc:
1075         Likewise.
1076         * testsuite/23_containers/unordered_map/cons/81891.cc: Likewise.
1077         * testsuite/23_containers/unordered_map/requirements/exception/
1078         basic.cc: Likewise.
1079         * testsuite/23_containers/unordered_map/requirements/exception/
1080         generation_prohibited.cc: Likewise.
1081         * testsuite/23_containers/unordered_map/requirements/exception/
1082         propagation_consistent.cc: Likewise.
1083         * testsuite/23_containers/unordered_multimap/55043.cc: Likewise.
1084         * testsuite/23_containers/unordered_multimap/allocator/copy.cc:
1085         Likewise.
1086         * testsuite/23_containers/unordered_multimap/allocator/copy_assign.cc:
1087         Likewise.
1088         * testsuite/23_containers/unordered_multimap/allocator/minimal.cc:
1089         Likewise.
1090         * testsuite/23_containers/unordered_multimap/allocator/move.cc:
1091         Likewise.
1092         * testsuite/23_containers/unordered_multimap/allocator/move_assign.cc:
1093         Likewise.
1094         * testsuite/23_containers/unordered_multimap/allocator/noexcept.cc:
1095         Likewise.
1096         * testsuite/23_containers/unordered_multimap/requirements/exception/
1097         basic.cc: Likewise.
1098         * testsuite/23_containers/unordered_multimap/requirements/exception/
1099         generation_prohibited.cc: Likewise.
1100         * testsuite/23_containers/unordered_multimap/requirements/exception/
1101         propagation_consistent.cc: Likewise.
1102         * testsuite/23_containers/unordered_multimap/requirements/
1103         explicit_instantiation/5.cc: Likewise.
1104         * testsuite/ext/malloc_allocator/sanity.cc: Likewise.
1105
1106         * ext/special_functions/airy_ai/check_nan.cc: Skip test for
1107         non-standard extension when a strict -std=c++NN dialect is used.
1108         * ext/special_functions/airy_ai/check_value.cc: Likewise.
1109         * ext/special_functions/airy_ai/compile.cc: Likewise.
1110         * ext/special_functions/airy_bi/check_nan.cc: Likewise.
1111         * ext/special_functions/airy_bi/check_value.cc: Likewise.
1112         * ext/special_functions/airy_bi/compile.cc: Likewise.
1113         * ext/special_functions/conf_hyperg/check_nan.cc: Likewise.
1114         * ext/special_functions/conf_hyperg/check_value.cc: Likewise.
1115         * ext/special_functions/conf_hyperg/compile.cc: Likewise.
1116         * ext/special_functions/hyperg/check_nan.cc: Likewise.
1117         * ext/special_functions/hyperg/check_value.cc: Likewise.
1118         * ext/special_functions/hyperg/compile.cc: Likewise.
1119
1120         * testsuite/23_containers/list/requirements/explicit_instantiation/
1121         5_c++0x.cc: Remove redundant test that is functionally identical to
1122         the 5.cc test.
1123         * testsuite/23_containers/map/requirements/explicit_instantiation/
1124         5_c++0x.cc: Likewise.
1125         * testsuite/23_containers/multimap/requirements/explicit_instantiation/
1126         5_c++0x.cc: Likewise.
1127         * testsuite/23_containers/multiset/requirements/explicit_instantiation/
1128         5_c++0x.cc: Likewise.
1129         * testsuite/23_containers/set/requirements/explicit_instantiation/
1130         5_c++0x.cc: Likewise.
1131
1132         * include/bits/regex_executor.tcc (_Backref_matcher::_M_apply): Use
1133         _GLIBCXX_STD_A to refer to normal mode algorithms.
1134         * testsuite/28_regex/headers/regex/parallel_mode.cc: New test.
1135         * testsuite/28_regex/headers/regex/std_c++0x_neg.cc: Remove empty
1136         whitespace.
1137
1138         * include/debug/map.h (map::erase(iterator)): Add abi-tag so that
1139         C++11 version mangles differently from incompatible C++98 version.
1140         * include/debug/multimap.h (multimap::erase(iterator)): Likewise.
1141         * include/debug/multiset.h (multiset::erase(iterator))
1142         (multiset::erase(const_iterator, const_iterator)): Likewise.
1143         * include/debug/set.h (set::erase(iterator))
1144         (multiset::erase(const_iterator, const_iterator)): Likewise.
1145
1146 2018-10-18  Jonathan Wakely  <jwakely@redhat.com>
1147
1148         * testsuite/20_util/duration/cons/2.cc: Add -ffloat-store to fix
1149         failure when compiled without optimisation.
1150         * testsuite/ext/profile/mutex_extensions_neg.cc: Prune additional
1151         errors caused by C++17 std::pmr alias templates.
1152
1153         PR libstdc++/87642
1154         * config/locale/gnu/monetary_members.cc
1155         (moneypunct<char, true>::_M_initialize_moneypunct): Use
1156         __narrow_multibyte_chars to convert multibyte thousands separators
1157         to a single char.
1158         * config/locale/gnu/numeric_members.cc
1159         (numpunct<char>::_M_initialize_numpunct): Likewise.
1160         (__narrow_multibyte_chars): New function.
1161
1162         PR libstdc++/87641
1163         * include/bits/valarray_array.h (__valarray_sum): Use first element
1164         to initialize accumulator instead of value-initializing it.
1165         (__valarray_product<_Tp>): Move to ...
1166         * src/c++98/valarray.cc (__valarray_product<_Tp>): Here. Use first
1167         element to initialize accumulator.
1168         (__valarray_product(const valarray<size_t>&)): Remove const_cast made
1169         unnecessary by LWG 389.
1170         * testsuite/26_numerics/valarray/87641.cc: New test.
1171
1172 2018-10-18  François Dumont  <fdumont@gcc.gnu.org>
1173
1174         Partial revert.
1175         2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
1176
1177         * include/debug/list (list<>::cbegin()): Use C++11 direct
1178         initialization.
1179         (list<>::cend()): Likewise.
1180         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
1181         iterator comparisons.
1182         (list<>::splice(const_iterator, list&&, const_iterator,
1183         const_iterator)): Likewise.
1184
1185         Partial revert.
1186         2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
1187
1188         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
1189         initialization.
1190         (vector<>::cend()): Likewise.
1191         (vector<>::insert(const_iterator, const _Tp&)): Use consistent
1192         iterator comparison.
1193         (vector<>::erase(const_iterator)): Likewise.
1194         (vector<>::erase(const_iterator, const_iterator)): Likewise.
1195
1196 2018-10-17  Ville Voutilainen  <ville.voutilainen@gmail.com>
1197
1198         PR libstdc++/87619
1199         * include/std/variant (__select_index): Fix an off-by-one.
1200         * testsuite/20_util/variant/87619.cc: New.
1201
1202 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
1203
1204         * include/bits/random.h (random_device) [!_GLIBCXX_USE_DEV_RANDOM]:
1205         Fix default constructor to call correct function.
1206
1207         * testsuite/experimental/net/internet/address/v4/creation.cc: Do not
1208         declare ip in global namespace, to avoid collision with struct ip
1209         defined in <netinet/ip.h>.
1210
1211         * include/experimental/bits/net.h: Move versioned namespace macros
1212         to correct location.
1213         * include/experimental/buffer: Likewise.
1214         * include/experimental/executor: Likewise.
1215         * include/experimental/internet: Likewise.
1216         * include/experimental/io_context: Likewise.
1217         * include/experimental/netfwd: Likewise.
1218         * include/experimental/socket: Likewise.
1219         * include/experimental/timer: Likewise.
1220
1221         * config.h.in: Regenerate.
1222         * configure: Regenerate.
1223         * configure.ac: Check for headers used by Networking TS.
1224         * include/experimental/executor: Include <condition_variable>
1225         instead of <mutex>.
1226         * include/experimental/internet: Use autoconf macros for available
1227         headers.  Include <sys/socket.h> for.  Remove <cstring> and use
1228         __builtin_memcpy and __builtin_strchr.
1229         (resolver_errc) [!_GLIBCXX_HAVE_NETDB_H]: Do not define.
1230         (address_v4::to_string, address_v6::to_string)
1231         [!_GLIBCXX_HAVE_ARPA_INET_H]: Likewise.
1232         (basic_resolver_results) [!_GLIBCXX_HAVE_NETDB_H]: Make private
1233         constructors report errors.
1234         [!_GLIBCXX_HAVE_NETINET_TCP_H] (tcp::no_delay): Do not define.
1235         * include/experimental/io_context: Likewise.
1236         * include/experimental/socket: Likewise.
1237         [!_GLIBCXX_HAVE_SYS_SOCKET_H, !_GLIBCXX_HAVE_POLL_H] (socket_base): Do
1238         not define nested types when relevant header not available.
1239         (__socket_impl::native_non_blocking) [!_GLIBCXX_HAVE_FCNTL_H]: Report
1240         an error.
1241         (__basic_socket_impl::open, __basic_socket_impl::local_endpoint)
1242         (__basic_socket_impl::bind) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1243         (__basic_socket_impl::io_control) [!_GLIBCXX_HAVE_SYS_IOCTL_H]:
1244         Likewise.
1245         (basic_socket::at_mark, basic_socket::shutdown)
1246         (basic_socket::remote_endpoint, basic_socket::connect)
1247         (basic_socket::async_connect) [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1248         (basic_socket::available) [_GLIBCXX_HAVE_SYS_IOCTL_H]: Check macro
1249         for <sys/ioctl.h> availability.
1250         (basic_socket::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
1251         (basic_datagram_socket::receive, basic_datagram_socket::async_receive)
1252         (basic_datagram_socket::receive_from)
1253         (basic_datagram_socket::async_receive_from)
1254         (basic_datagram_socket::send, basic_datagram_socket::async_send)
1255         (basic_datagram_socket::send_to, basic_datagram_socket::async_send_to)
1256         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1257         (basic_stream_socket::receive, basic_stream_socket::async_receive)
1258         (basic_stream_socket::send, basic_stream_socket::async_send)
1259         [!_GLIBCXX_HAVE_SYS_SOCKET_H]: Likewise.
1260         (basic_socket_acceptor::listen, basic_socket_acceptor::accept)
1261         (basic_socket_acceptor::async_accept) [!_GLIBCXX_HAVE_SYS_SOCKET_H]:
1262         Likewise.
1263         (basic_socket_acceptor::wait) [!_GLIBCXX_HAVE_POLL_H]: Likewise.
1264
1265         * testsuite/experimental/net/headers.cc: Remove dg-options.
1266         * testsuite/experimental/net/buffer/arithmetic.cc: Replace dg-options
1267         with dg-do using effective target.
1268         * testsuite/experimental/net/buffer/const.cc: Likewise.
1269         * testsuite/experimental/net/buffer/creation.cc: Likewise.
1270         * testsuite/experimental/net/buffer/mutable.cc: Likewise.
1271         * testsuite/experimental/net/buffer/size.cc: Likewise.
1272         * testsuite/experimental/net/buffer/traits.cc: Likewise.
1273         * testsuite/experimental/net/execution_context/use_service.cc:
1274         Likewise.
1275         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
1276         Likewise.
1277         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
1278         * testsuite/experimental/net/internet/address/v4/creation.cc:
1279         Likewise.
1280         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
1281         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
1282         * testsuite/experimental/net/internet/resolver/ops/lookup.cc:
1283         Likewise.
1284         * testsuite/experimental/net/internet/resolver/ops/reverse.cc:
1285         Likewise.
1286         * testsuite/experimental/net/timer/waitable/cons.cc: Likewise.
1287         * testsuite/experimental/net/timer/waitable/dest.cc: Likewise.
1288         * testsuite/experimental/net/timer/waitable/ops.cc: Likewise.
1289
1290         * include/experimental/socket (basic_socket::at_mark): Add missing
1291         return.
1292
1293         * acinclude.m4 (GLIBCXX_CHECK_RANDOM_TR1): Replace with ...
1294         (GLIBCXX_CHECK_DEV_RANDOM): New macro with more descriptive name.
1295         Define _GLIBCXX_USE_DEV_RANDOM as well as _GLIBCXX_USE_RANDOM_TR1.
1296         * config.h.in: Regenerate.
1297         * configure: Regenerate.
1298         * configure.ac: Use GLIBCXX_CHECK_DEV_RANDOM instead of
1299         GLIBCXX_CHECK_RANDOM_TR1.
1300         crossconfig.m4: Likewise.
1301         * include/bits/random.h (random_device): Use _GLIBCXX_USE_DEV_RANDOM
1302         instead of _GLIBCXX_USE_RANDOM_TR1.
1303         * testsuite/26_numerics/random/random_device/cons/token.cc: Likewise.
1304
1305 2018-10-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1306
1307         * testsuite/lib/dg-options.exp (add_options_for_net_ts): New proc.
1308         * testsuite/experimental/net/internet/address/v4/comparisons.cc:
1309         Add dg-add-options net_ts.
1310         * testsuite/experimental/net/internet/address/v4/cons.cc: Likewise.
1311         * testsuite/experimental/net/internet/address/v4/creation.cc: Likewise.
1312         * testsuite/experimental/net/internet/address/v4/members.cc: Likewise.
1313         * testsuite/experimental/net/internet/resolver/base.cc: Likewise.
1314         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: Likewise.
1315         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: Likewise.
1316
1317 2018-10-16  Jonathan Wakely  <jwakely@redhat.com>
1318
1319         * testsuite/20_util/duration/literals/range_neg.cc: Adjust pruned
1320         diagnostic to account for quotes around 'constexpr'.
1321         * testsuite/23_containers/deque/capacity/max_size.cc: Define static
1322         variable.
1323         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
1324
1325         PR libstdc++/87618
1326         * config/abi/pre/gnu.ver: Fix typos in patterns for basic_stringbuf.
1327         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: Disable
1328         optimisation to check constructor definition can be linked to.
1329         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: Likewise.
1330
1331 2018-10-15  Jonathan Wakely  <jwakely@redhat.com>
1332
1333         * testsuite/22_locale/numpunct/members/char/3.cc: Adjust test to
1334         account for change to glibc it_IT localedata (glibc bz#10797).
1335
1336         PR libstdc++/87587
1337         * src/c++11/cxx11-shim_facets.cc: Suppress -Wabi warnings.
1338
1339 2018-10-15  François Dumont  <fdumont@gcc.gnu.org>
1340
1341         * include/debug/vector (vector<>::cbegin()): Use C++11 direct
1342         initialization.
1343         (vector<>::cend()): Likewise.
1344         (vector<>::emplace(const_iterator, _Args&&...)): Likewise and use
1345         consistent iterator comparison.
1346         (vector<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
1347         (vector<>::insert(const_iterator, _InputIterator, _InputIterator)):
1348         Likewise.
1349         (vector<>::erase(const_iterator)): Likewise.
1350         (vector<>::erase(const_iterator, const_iterator)): Likewise.
1351
1352 2018-10-12  Jonathan Wakely  <jwakely@redhat.com>
1353
1354         Initial commit of Networking TS implementation.
1355         * include/Makefile.am: Add new headers.
1356         * include/Makefile.in: Regenerate.
1357         * include/experimental/bits/net.h: New header for common
1358         implementation details of Networking TS.
1359         * include/experimental/buffer: New header.
1360         * include/experimental/executor: New header.
1361         * include/experimental/internet: New header.
1362         * include/experimental/io_context: New header.
1363         * include/experimental/net: New header.
1364         * include/experimental/netfwd: New header.
1365         * include/experimental/socket: New header.
1366         * include/experimental/timer: New header.
1367         * testsuite/experimental/net/buffer/arithmetic.cc: New test.
1368         * testsuite/experimental/net/buffer/const.cc: New test.
1369         * testsuite/experimental/net/buffer/creation.cc: New test.
1370         * testsuite/experimental/net/buffer/mutable.cc: New test.
1371         * testsuite/experimental/net/buffer/size.cc: New test.
1372         * testsuite/experimental/net/buffer/traits.cc: New test.
1373         * testsuite/experimental/net/execution_context/use_service.cc: New
1374         test.
1375         * testsuite/experimental/net/headers.cc: New test.
1376         * testsuite/experimental/net/internet/address/v4/comparisons.cc: New
1377         test.
1378         * testsuite/experimental/net/internet/address/v4/cons.cc: New test.
1379         * testsuite/experimental/net/internet/address/v4/creation.cc: New
1380         test.
1381         * testsuite/experimental/net/internet/address/v4/members.cc: New
1382         test.
1383         * testsuite/experimental/net/internet/resolver/base.cc: New test.
1384         * testsuite/experimental/net/internet/resolver/ops/lookup.cc: New
1385         test.
1386         * testsuite/experimental/net/internet/resolver/ops/reverse.cc: New
1387         test.
1388         * testsuite/experimental/net/timer/waitable/cons.cc: New test.
1389         * testsuite/experimental/net/timer/waitable/dest.cc: New test.
1390         * testsuite/experimental/net/timer/waitable/ops.cc: New test.
1391
1392         PR libstdc++/77691
1393         * include/experimental/memory_resource (__resource_adaptor_imp): Do
1394         not allocate sizes smaller than alignment when relying on guaranteed
1395         alignment.
1396         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1397         Adjust expected number of bytes allocated for alignof(max_align_t).
1398
1399 2018-10-11  François Dumont  <fdumont@gcc.gnu.org>
1400
1401         * include/debug/forward_list
1402         (forward_list<>::before_begin()): Use C++11 direct initialization.
1403         (forward_list<>::begin()): Likewise.
1404         (forward_list<>::end()): Likewise.
1405         (forward_list<>::cbefore_begin()): Likewise.
1406         (forward_list<>::cbegin()): Likewise.
1407         (forward_list<>::cend()): Likewise.
1408         (forward_list<>::emplace_after<>(const_iterator, _Args&&...)): Likewise.
1409         (forward_list<>::insert_after(const_iterator, const _Tp&)): Likewise.
1410         (forward_list<>::insert_after(const_iterator, _Tp&&)): Likewise.
1411         (forward_list<>::insert_after(const_iterator, size_type, const _Tp&)):
1412         Likewise.
1413         (forward_list<>::insert_after(const_iterator, initializer_list<>)):
1414         Likewise.
1415         (forward_list<>::erase_after(const_iterator)): Likewise.
1416         (forward_list<>::erase_after(const_iterator, const_iterator)): Likewise
1417         and ensure consistent iterator comparison.
1418
1419         * include/bits/forward_list.h
1420         (_Fwd_list_iterator<>::operator==): Replace member function with inline
1421         friend.
1422         (_Fwd_list_iterator<>::operator!=): Likewise.
1423         (_Fwd_list_const_iterator<>::operator==): Likewise.
1424         (_Fwd_list_const_iterator<>::operator!=): Likewise.
1425         (operator==(const _Fwd_list_iterator<>&,
1426         const _Fwd_list_const_iterator<>&)): Remove.
1427         (operator!=(const _Fwd_list_iterator<>&,
1428         const _Fwd_list_const_iterator<>&)): Remove.
1429         (forward_list<>::_Node): Take typedef from base type.
1430         (forward_list<>::iterator): Likewise.
1431         (forward_list<>::const_iterator): Likewise.
1432
1433 2018-10-11  Jonathan Wakely  <jwakely@redhat.com>
1434
1435         PR libstdc++/80538
1436         * src/c++11/thread.cc (this_thread::__sleep_for)
1437         [_GLIBCXX_HAVE_SLEEP]: Only call sleep for non-zero values.
1438         Loop while sleep call is interrupted and until steady_clock
1439         shows requested duration has elapsed.
1440         (!_GLIBCXX_HAVE_USLEEP]: Use the _GLIBCXX_HAVE_SLEEP code path, but
1441         avoiding the usleep call.
1442         * testsuite/30_threads/this_thread/60421.cc: Test repeated
1443         signal interruptions.
1444
1445         * include/bits/allocator.h
1446         (operator==(const allocator<_Tp>&, const allocator<_Tp>))
1447         (operator!=(const allocator<_Tp>&, const allocator<_Tp>)): Replace
1448         with inline friends.
1449         * include/ext/debug_allocator.h (operator==, operator!=): Replace
1450         with inline friend functions that compare to rebound allocators.
1451         * include/ext/malloc_allocator.h (operator==, operator!=): Likewise.
1452         * include/ext/new_allocator.h (operator==, operator!=): Likewise.
1453         * testsuite/ext/debug_allocator/eq.cc: New test.
1454         * testsuite/ext/ext_pointer/alloc_eq.cc: New test.
1455         * testsuite/ext/malloc_allocator/eq.cc: New test.
1456         * testsuite/ext/new_allocator/eq.cc: New test.
1457
1458 2018-10-10  Jonathan Wakely  <jwakely@redhat.com>
1459
1460         PR libstdc++/87544
1461         * include/bits/stl_vector.h (vector::_S_max_size): Limit size to
1462         PTRDIFF_MAX / sizeof(value_type).
1463         * include/ext/malloc_allocator.h (malloc_allocator::max_size):
1464         Likewise.
1465         * include/ext/new_allocator.h (new_allocator::max_size): Likewise.
1466         * testsuite/23_containers/vector/allocator/minimal.cc: Adjust
1467         expected value for max_size().
1468         * testsuite/23_containers/vector/capacity/87544.cc: New test.
1469
1470 2018-10-09  François Dumont  <fdumont@gcc.gnu.org>
1471
1472         * include/bits/stl_list.h
1473         (_List_operator<>::operator==): Replace member function with inline
1474         friend.
1475         (_List_operator<>::operator!=): Likewise.
1476         (_List_const_operator<>::operator==): Likewise.
1477         (_List_const_operator<>::operator!=): Likewise.
1478         (operator==(const _List_iterator<>&, const _List_const_iterator<>&)):
1479         Remove.
1480         (operator!=(const _List_iterator<>&, const _List_const_iterator<>&)):
1481         Remove.
1482
1483 2018-10-09  Jonathan Wakely  <jwakely@redhat.com>
1484
1485         * include/bits/stringfwd.h (string, wstring, u16string, u32string):
1486         Define typedefs outside of __cxx11 inline namespace.
1487         * python/libstdcxx/v6/printers.py (register_type_printers): Also
1488         register printers for typedefs in new location.
1489
1490 2018-10-08  Jonathan Wakely  <jwakely@redhat.com>
1491
1492         PR libstdc++/87538
1493         * testsuite/experimental/functional/87538.cc: New test.
1494
1495         PR libstdc++/87538
1496         * include/std/functional (_Not_fn::operator()): Check value of
1497         __is_nothrow_invocable as well.
1498         * testsuite/20_util/function_objects/not_fn/87538.cc: New test.
1499
1500 2018-10-08  François Dumont  <fdumont@gcc.gnu.org>
1501
1502         * include/debug/list (list<>::cbegin()): Use C++11 direct
1503         initialization.
1504         (list<>::cend()): Likewise.
1505         (list<>::emplace<>(const_iterator, _Args&&...)): Likewise.
1506         (list<>::insert(const_iterator, initializer_list<>)): Likewise.
1507         (list<>::insert(const_iterator, size_type, const _Tp&)): Likewise.
1508         (list<>::erase(const_iterator, const_iterator)): Ensure consistent
1509         iterator comparisons.
1510         (list<>::splice(const_iterator, list&&, const_iterator,
1511         const_iterator)): Likewise.
1512
1513 2018-10-05  François Dumont  <fdumont@gcc.gnu.org>
1514
1515         * include/bits/stl_tree.h
1516         (_Rb_tree_iterator<>::operator==): Make inline friend.
1517         (_Rb_tree_iterator<>::operator!=): Likewise.
1518         (_Rb_tree_const_iterator<>::operator==): Likewise.
1519         (_Rb_tree_const_iterator<>::operator!=): Likewise.
1520         (operator==(const _Rb_tree_iterator<>&,
1521         const _Rb_tree_const_iterator&)): Remove.
1522         (operator!=(const _Rb_tree_iterator<>&,
1523         const _Rb_tree_const_iterator&)): Remove.
1524         (operator==(const _Rb_tree<>&, const _Rb_tree<>&)): Make inline friend.
1525         (operator<(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1526         (operator!=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise and
1527         deprecate.
1528         (operator>(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1529         (operator<=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1530         (operator>=(const _Rb_tree<>&, const _Rb_tree<>&)): Likewise.
1531         * include/debug/map.h (map<>::erase(const_iterator, const_iterator)):
1532         Compare __victim with _Base::cend().
1533         * include/debug/multimap.h
1534         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
1535         * include/debug/set.h (set<>::erase(const_iterator, const_iterator)):
1536         Compare __victim with _Base::cend().
1537         * include/debug/multiset.h
1538         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
1539
1540 2018-10-03  Jonathan Wakely  <jwakely@redhat.com>
1541
1542         PR libstdc++/59439
1543         * src/c++98/locale.cc (locale::locale(const locale&)): Bypass
1544         reference count updates for the classic locale.
1545         (locale::~locale()): Likewise.
1546         (locale::operator=(const locale&)): Likewise.
1547         * src/c++98/locale_init.cc (locale::locale()): Likewise.
1548         (locale::global(const locale&)): Likewise.
1549
1550 2018-10-03  François Dumont  <fdumont@gcc.gnu.org>
1551
1552         * include/debug/map.h
1553         (map<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1554         (map<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1555         (map<>::insert(value_type&&)): Likewise.
1556         (map<>::insert<>(_Pair&&)): Likewise.
1557         (map<>::insert<>(const_iterator, _Pair&&)): Likewise.
1558         (map<>::try_emplace): Likewise.
1559         (map<>::insert_or_assign): Likewise.
1560         (map<>::insert(node_type&&)): Likewise.
1561         (map<>::insert(const_iterator, node_type&&)): Likewise.
1562         (map<>::erase(const_iterator)): Likewise.
1563         (map<>::erase(const_iterator, const_iterator)): Likewise.
1564         * include/debug/multimap.h
1565         (multimap<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1566         (multimap<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1567         (multimap<>::insert<>(_Pair&&)): Likewise.
1568         (multimap<>::insert<>(const_iterator, _Pair&&)): Likewise.
1569         (multimap<>::insert(node_type&&)): Likewise.
1570         (multimap<>::insert(const_iterator, node_type&&)): Likewise.
1571         (multimap<>::erase(const_iterator)): Likewise.
1572         (multimap<>::erase(const_iterator, const_iterator)): Likewise.
1573         * include/debug/set.h
1574         (set<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1575         (set<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1576         (set<>::insert(value_type&&)): Likewise.
1577         (set<>::insert<>(const_iterator, value_type&&)): Likewise.
1578         (set<>::insert(const_iterator, node_type&&)): Likewise.
1579         (set<>::erase(const_iterator)): Likewise.
1580         (set<>::erase(const_iterator, const_iterator)): Likewise.
1581         * include/debug/multiset.h
1582         (multiset<>::emplace<>(_Args&&...)): Use C++11 direct initialization.
1583         (multiset<>::emplace_hint<>(const_iterator, _Args&&...)): Likewise.
1584         (multiset<>::insert<>(value_type&&)): Likewise.
1585         (multiset<>::insert<>(const_iterator, value_type&&)): Likewise.
1586         (multiset<>::insert(node_type&&)): Likewise.
1587         (multiset<>::insert(const_iterator, node_type&&)): Likewise.
1588         (multiset<>::erase(const_iterator)): Likewise.
1589         (multiset<>::erase(const_iterator, const_iterator)): Likewise.
1590
1591 2018-10-02  Marc Glisse  <marc.glisse@inria.fr>
1592
1593         PR libstdc++/87258
1594         * include/bits/stl_bvector.h (vector::begin(), vector::cbegin()):
1595         Rebuild _M_start with an explicit 0 offset.
1596
1597 2018-10-02  Jonathan Wakely  <jwakely@redhat.com>
1598
1599         * include/std/variant (__gen_vtable_impl::__visit_invoke): Call __get
1600         directly instead of get, as caller ensures correct index is used.
1601         (holds_alternative, get, get_if): Remove redundant inline specifiers.
1602         (_VARIANT_RELATION_FUNCTION_TEMPLATE): Likewise.
1603
1604 2018-10-02  Joseph Myers  <joseph@codesourcery.com>
1605
1606         * testsuite/lib/libstdc++.exp (libstdc++_init): Use
1607         -fno-show-column in default cxxflags.
1608
1609 2018-10-01  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
1610
1611         * config/os/uclibc/os_defines.h (__NO_STRING_INLINES): Delete.
1612
1613 2018-10-01  Gerald Pfeifer  <gerald@pfeifer.com>
1614
1615         * doc/xml/manual/allocator.xml: Adjust link to "Reconsidering
1616         Custom Memory Allocation".
1617
1618 2018-10-01  Jonathan Wakely  <jwakely@redhat.com>
1619
1620         * doc/html/*: Regenerate.
1621
1622 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
1623
1624         * doc/xml/manual/messages.xml: Switch link to www.oracle.com
1625         to https.
1626
1627 2018-09-30  Gerald Pfeifer  <gerald@pfeifer.com>
1628
1629         * doc/xml/manual/policy_data_structures_biblio.xml: Update
1630         link to Microsoft Component Model Object Technologies.
1631
1632 2018-09-29  Gerald Pfeifer  <gerald@pfeifer.com>
1633
1634         * doc/xml/gnu/fdl-1.3.xml: The Free Software Foundation web
1635         site now uses https. Also omit the unnecessary trailing slash.
1636         * doc/xml/gnu/gpl-3.0.xml: Ditto.
1637
1638 2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
1639
1640         * include/debug/functions.h
1641         (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
1642         const _InputIter&, __true_type)): Use empty() rather than begin() ==
1643         end().
1644
1645 2018-09-25  Mike Crowe  <mac@mcrowe.com>
1646
1647         * include/std/condition_variable (condition_variable::wait_for): Use
1648         steady clock in overload that uses a predicate.
1649
1650 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
1651
1652         PR libstdc++/87431
1653         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
1654         Avoid runtime test when all alternatives are scalars and so cannot
1655         throw during initialization.
1656
1657 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
1658
1659         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
1660         to https.
1661
1662 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
1663
1664         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
1665         to "Priority Queues and the STL".
1666
1667 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
1668
1669         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
1670         https.
1671
1672 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
1673
1674         PR libstdc++/87135
1675         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
1676         Use __builtin_floor to compute _M_next_resize.
1677         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
1678         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
1679         Adapt.
1680
1681 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
1682
1683         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
1684         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
1685         long double unconditionally, but use lower tolerance when
1686         sizeof(long double) == sizeof(double).
1687
1688 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
1689
1690         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
1691         on arm*.
1692
1693 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
1694
1695         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
1696         Remove __glibcxx_assert statements and use map::find instead of
1697         map::operator[].
1698
1699 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
1700
1701         PR libstdc++/87135
1702         * src/c++11/hashtable_c++0x.cc:
1703         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
1704         requested size, but not necessarily greater.
1705         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
1706         strictly greater than next resize threshold.
1707         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
1708         to validate that there is no rehash as long as number of insertion is
1709         lower or equal to the reserved number of elements.
1710
1711 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
1712
1713         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
1714         checking invocable condition.
1715         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
1716         here, where types must be complete. Pass pointer to deleter as an
1717         rvalue.
1718         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
1719
1720 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
1721
1722         * include/std/variant (variant) [__clang__]: Limit workaround to
1723         Clang 7 and older.
1724
1725 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
1726
1727         PR libstdc++/87278
1728         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
1729         remove_const.
1730         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
1731
1732         Implement LWG 2905 changes to constrain unique_ptr constructors
1733         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
1734         check deleter type.
1735         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
1736         constructible constraint.
1737         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
1738         deleters of reference type and add move constructible constraint.
1739         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
1740         Disable for deleters of non-reference type. Define as deleted.
1741         (unique_ptr<T[], D>): Likewise.
1742         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
1743         directives with unstable line numbers with dg-prune-output.
1744         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
1745         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
1746         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
1747         Make deleter types invocable.
1748
1749 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
1750
1751         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
1752
1753 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
1754
1755         PR libstdc++/78179
1756         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
1757         that runs the long double part of hypot.cc.
1758         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
1759         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
1760
1761         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
1762         Return raw pointer not allocator's pointer type.
1763         (vector::_Temporary_value::_M_val): Use _M_ptr.
1764
1765         PR libstdc++/87194
1766         * include/bits/stl_map.h
1767         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
1768         (map::map(initializer_list<value_type>, const Alloc&))
1769         (map::map(InputIterator, InputIterator, const Alloc&))
1770         (map::map(InputIterator, InputIterator))
1771         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
1772         (map::insert(InputIterator, InputIterator)):
1773         Call _M_insert_range_unique instead of _M_insert_unique.
1774         * include/bits/stl_multimap.h
1775         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
1776         (multimap::multimap(initializer_list<value_type>, const A&))
1777         (multimap::multimap(InputIterator, InputIterator, const A&))
1778         (multimap::multimap(InputIterator, InputIterator))
1779         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
1780         (multimap::insert(InputIterator, InputIterator)): Call
1781         _M_insert_range_equal instead of _M_insert_equal.
1782         * include/bits/stl_multiset.h
1783         (multiset::multiset(InputIterator, InputIterator))
1784         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
1785         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
1786         (multiset::multiset(initializer_list<value_type>, const A&))
1787         (multiset::multiset(InputIterator, InputIterator, const A&))
1788         (multiset::insert(InputIterator, InputIterator)): Call
1789         _M_insert_range_equal instead of _M_insert_equal.
1790         * include/bits/stl_set.h
1791         (set::set(InputIterator, InputIterator))
1792         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
1793         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
1794         (set::set(initializer_list<value_type>, const Alloc&))
1795         (set::set(InputIterator, InputIterator, const Alloc&))
1796         (set::insert(InputIterator, InputIterator)):
1797         Call _M_insert_range_unique instead of _M_insert_unique.
1798         * include/bits/stl_tree.h
1799         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
1800         template for SFINAE constraints.
1801         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
1802         constrained overloads that either insert or emplace, depending on
1803         iterator's value_type.
1804         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
1805         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
1806         (_Rb_tree::_M_insert_range_equal): New functions replacing range
1807         versions of _M_insert_unique and _M_insert_equal.
1808         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
1809         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
1810         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
1811         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
1812         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
1813         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
1814
1815         PR libstdc++/78595
1816         * include/bits/stl_map.h (map::insert(_Pair&&))
1817         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
1818         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
1819         (multimap::insert(const_iterator, _Pair&&)): Likewise.
1820         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
1821         (unordered_map::insert(const_iterator, _Pair&&))
1822         (unordered_multimap::insert(_Pair&&))
1823         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
1824         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
1825         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
1826         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
1827         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
1828         test.
1829
1830 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
1831
1832         * include/debug/safe_iterator.h
1833         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
1834         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
1835         New.
1836         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1837         ::_OtherSelf): New.
1838         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
1839         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
1840         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
1841         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1842         ::operator+(difference_type)): Use latters, inline as friend.
1843         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
1844         ::operator-(difference_type)): Likewise.
1845         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1846         Likewise.
1847         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1848         Likewise.
1849         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1850         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1851         Likewise.
1852         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1853         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
1854         Likewise.
1855         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
1856         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
1857         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
1858         * include/debug/safe_iterator.tcc
1859         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
1860         copy.
1861         * include/debug/safe_local_iterator.h
1862         (_Safe_local_iterator<_It, _Seq>::_Self): New.
1863         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
1864         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
1865         (operator==(const _Safe_local_iterator<>&,
1866         const _Safe_local_iterator<>&)): Use latter, inline as friend.
1867         (operator!=(const _Safe_local_iterator<>&,
1868         const _Safe_local_iterator<>&)): Likewise.
1869         * testsuite/util/testsuite_containers.h: Include utility.
1870         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
1871         parameter.
1872         (forward_members_unordered<>::forward_members_unordered(value_type&)):
1873         Add using namespace std::rel_ops.
1874         Add iterator_concept_checks on local_iterator and const_local_iterator.
1875         Add asserts on comparison between const_local_iterator and
1876         local_iterator.
1877         (struct forward_members_unordered<_Tp, false>): Remove partial
1878         specialization.
1879         * testsuite/23_containers/forward_list/types/1.cc: New.
1880         * testsuite/23_containers/list/types/1.cc: New.
1881
1882 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
1883
1884         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
1885         references.
1886
1887 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
1888
1889         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
1890         Add dg-require-fileio.
1891         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
1892         Likewise.
1893         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
1894         Likewise.
1895         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
1896         Likewise.
1897         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
1898         Likewise.
1899         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
1900         Likewise.
1901         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
1902         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
1903         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
1904         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
1905         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
1906         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
1907         Likewise.
1908         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
1909         Likewise.
1910         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
1911         Likewise.
1912         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
1913         Likewise.
1914         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
1915         Likewise.
1916         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
1917         Likewise.
1918         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
1919         Likewise.
1920         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
1921         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
1922         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
1923         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
1924         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
1925         Likewise.
1926         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
1927         Likewise.
1928         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
1929         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
1930         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
1931         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
1932         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
1933         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
1934         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
1935         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
1936         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
1937         Likewise.
1938         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
1939         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
1940         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
1941         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
1942         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
1943         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
1944         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
1945         Likewise.
1946         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
1947
1948 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
1949
1950         * testsuite/experimental/propagate_const/observers/1.cc: Make
1951         dependence on -fdelete-null-pointer-checks explicit.
1952
1953 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
1954
1955         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
1956         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
1957         of the number of bits in the type.
1958         * include/std/bit (__ceil2): Avoid undefined shifts.
1959         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
1960         the most signifiant bit set.
1961
1962         * config/abi/pre/gnu.ver: Add missing exports for mingw.
1963
1964         * include/ext/pointer.h (_Pointer_adapter): Define operators for
1965         pointer arithmetic using long long offsets.
1966         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
1967         long long values.
1968
1969 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
1970
1971         PR libstdc++/31413
1972         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
1973         string for alternative format.
1974
1975 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
1976
1977         PR libstdc++/87116
1978         * src/filesystem/std-path.cc (path::lexically_normal): When handling
1979         a dot-dot filename, preserve an empty final component in the iteration
1980         sequence.
1981         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
1982         root-directory.
1983         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
1984         for more than two adjacent dot-dot filenames.
1985         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
1986         preferred-separator in expected normalized strings.
1987
1988 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
1989
1990         PR libstdc++/70694
1991         * configure.host (OPT_LDFLAGS): Don't append
1992         -fvisibility-inlines-hidden for newer Darwin.
1993
1994 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
1995
1996         PR libstdc++/86822
1997         * libsupc++/new (operator new(size_t, nothrow_t), operator
1998         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
1999         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
2000
2001 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
2002
2003         * include/debug/deque (std::__debug::deque): Declare.
2004         * include/debug/forward_list (std::__debug::forward_list): Declare.
2005         * include/debug/list (std::__debug::list): Declare.
2006         * include/debug/map (std::__debug::map): Declare.
2007         * include/debug/set (std::__debug::set): Declare.
2008         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
2009         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
2010         * include/debug/vector (std::__debug::vector): Declare.
2011         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
2012         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
2013         test.
2014         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
2015         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
2016         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
2017         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
2018         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
2019         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
2020         test.
2021         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
2022         New test.
2023         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
2024         New test.
2025         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
2026         test.
2027         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
2028         Adjust dg-error lineno.
2029         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
2030         test.
2031
2032 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
2033
2034         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
2035         Only define when RTTI is enabled.
2036
2037         * include/debug/vector (__niter_base): Define for C++98.
2038
2039         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
2040         Fix C++98 test to not use C++11 features.
2041         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
2042
2043         * scripts/check_compile: Fix comments.
2044
2045         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
2046         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
2047         begin(), for C++98 compatibility.
2048
2049         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2050         (basic_string::__const_iterator): Change access to protected.
2051         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
2052         as typedef for iterator.
2053         * include/debug/string (__const_iterator): Use typedef from base.
2054         (insert(const_iterator, _CharT))
2055         (replace(const_iterator, const_iterator, const basic_string&))
2056         (replace(const_iterator, const_iterator, const _CharT*, size_type))
2057         (replace(const_iterator, const_iterator, const CharT*))
2058         (replace(const_iterator, const_iterator, size_type, _CharT))
2059         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
2060         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
2061         Change const_iterator parameters to __const_iterator.
2062         (insert(iterator, size_type, _CharT)): Add C++98 overload.
2063         (insert(const_iterator, _InputIterator, _InputIterator)): Change
2064         const_iterator parameter to __const_iterator.
2065         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
2066         of base's member function.
2067         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
2068         Likewise.
2069         (insert(const_iterator, initializer_list<_CharT>))
2070         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
2071         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
2072         target directive.
2073
2074         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
2075         not use C++14 feature.
2076         * testsuite/23_containers/list/68222_neg.cc: Likewise.
2077
2078         * testsuite/21_strings/basic_string/init-list.cc:
2079         Require cxx11-abi.
2080         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
2081         Likewise.
2082         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
2083         Likewise.
2084
2085         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
2086         C++98 mode.
2087         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
2088         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
2089         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
2090         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
2091         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
2092
2093 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
2094
2095         PR libstdc++/87061
2096         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
2097         (experimental::pmr::match_results, experimental::pmr::cmatch)
2098         (experimental::pmr::smatch, experimental::pmr::wcmatch)
2099         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
2100         because COW strings don't support C++11 allocator model.
2101         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
2102         (experimental::pmr::basic_string, experimental::pmr::string)
2103         (experimental::pmr::u16string, experimental::pmr::u32string)
2104         (experimental::pmr::wstring): Likewise.
2105         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
2106         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
2107         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
2108         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
2109         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
2110         cxx11-abi.
2111         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
2112
2113         PR libstdc++/78448
2114         * include/bits/deque.tcc (deque::_M_range_initialize): Use
2115         _S_check_init_len to check size.
2116         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
2117         error if size would exceed max_size().
2118         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
2119         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
2120         size_t instead of size_type.
2121         (deq(size_type, const allocator_type&)
2122         (deq(size_type, const value_type&, const allocator_type&)
2123         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
2124         (deque::max_size): Call _S_max_size.
2125         (deque::_S_check_init_len, deque::_S_max_size): New functions.
2126         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
2127         (vector(size_type, const value_type&, const allocator_type&))
2128         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
2129         _S_check_init_len to check size.
2130         (vector::max_size): Call _S_max_size.
2131         (vector::_M_check_len): Prevent max from being expanded as a
2132         function-like macro.
2133         (vector::_S_check_init_len, vector::_S_max_size): New functions.
2134         * include/bits/vector.tcc (vector::_M_assign_aux): Use
2135         _S_check_init_len to check size.
2136         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
2137         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
2138
2139 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
2140
2141         PR libstdc++/68222
2142         * include/debug/safe_iterator.h
2143         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
2144         (_Safe_iterator<>::_Const_iterator): Remove.
2145         (_Safe_iterator<>::_IsConstant): New.
2146         (_Safe_iterator<>::_OtherIterator): New.
2147         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
2148         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
2149         __gnu_cxx::__enable_if condition.
2150         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
2151         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
2152         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
2153         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
2154         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
2155         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
2156         ::operator--()): ...here.
2157         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
2158         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
2159         ::operator--(int)): ...here.
2160         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
2161         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
2162         ::_M_decrementable()): ...here.
2163         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
2164         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
2165         Move...
2166         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
2167         ::operator[](const difference_type&)): ...here.
2168         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
2169         Move...
2170         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
2171         ::operator+=(const difference_type&)): ...here.
2172         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
2173         Move...
2174         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
2175         ::operator+(const difference_type&)): ...here.
2176         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
2177         Move...
2178         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
2179         ::operator-=(const difference_type&)): ...here.
2180         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
2181         Move...
2182         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
2183         ::operator-(const difference_type&)): ...here.
2184         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
2185         Constraint to random access iterators.
2186         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
2187         Likewise.
2188         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
2189         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
2190         Likewise.
2191         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
2192         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
2193         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
2194         (__get_distance): Remove.
2195         (__get_distance_from_begin): Remove.
2196         (__get_distance_to_end): Remove.
2197         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
2198         specialization.
2199         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
2200         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
2201         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
2202         * include/debug/safe_iterator.tcc
2203         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
2204         (_Safe_iterator<>::_M_get_distance_to_end()): New.
2205         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
2206         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
2207         ::_M_valid_range): New.
2208         * include/debug/safe_local_iterator.h
2209         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
2210         (_Safe_local_iterator<>::_IsConstant): New.
2211         (_Safe_local_iterator<>::_OtherIterator): New.
2212         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
2213         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
2214         in __gnu_cxx::__enable_if condition. If singular compare base iterator
2215         with _MutIte rather than _It.
2216         (_Safe_local_iterator<>::_S_constant): Make constexpr.
2217         (_Safe_local_iterator<>::_M_get_distance_to): New.
2218         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
2219         (__get_distance(const _Safe_local_iterator<>&,
2220         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
2221         (__valid_range(const _Safe_local_iterator<>&,
2222         const _Safe_local_iterator<>&)): New.
2223         * include/debug/safe_local_iterator.tcc
2224         (_Safe_local_iterator<>::_M_get_distance_to): New.
2225         * include/debug/deque (std::__debug::deque<>): Add
2226         ::__gnu_debug::_Safe_iterator<> friend declaration.
2227         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
2228         * include/debug/list (std::__debug::list<>): Likewise.
2229         * include/debug/map.h (std::__debug::map<>): Likewise.
2230         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
2231         * include/debug/set.h (std::__debug::set<>): Likewise.
2232         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
2233         * include/debug/string (std::__debug::basic_string<>): Likewise.
2234         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
2235         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
2236         (std::__debug::unordered_multimap<>): Likewise.
2237         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
2238         (std::__debug::unordered_multiset<>): Likewise.
2239         * include/debug/formatter.h: Adapt.
2240         * include/debug/helper_functions.h
2241         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
2242         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
2243         Pass parameter by copy.
2244         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
2245         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
2246         (__valid_range_aux<_Integral>): Pass _Integral by copy.
2247         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
2248         (__valid_range<>(const _Safe_iterator<>&,
2249         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
2250         Declare.
2251         (__valid_range(const _Safe_local_iterator<>&,
2252         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
2253         Declare.
2254         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
2255         Declare.
2256         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
2257         Declare.
2258         (__can_advance): Adapt.
2259         (struct __is_safe_random_iterator<>): Remove.
2260         (struct _SIter_base<>): Remove.
2261         * include/debug/functions.h: Include <bits/stl_iterator.h>.
2262         (__check_dereferenceable): Remove.
2263         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
2264         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
2265         (__foreign_iterator): Adapt.
2266         * include/debug/stl_iterator.h
2267         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
2268         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
2269         Constraint for random access iterators.
2270         (__niter_base): Adapt.
2271         * testsuite/util/testsuite_containers.h:
2272         Include <bits/boost_concept_check.h>.
2273         (iterator_concept_checks<_It, _Mutable, _Category>): New.
2274         (citerator<_Cont>::forward_members::forward_members()): Instantiate
2275         latter for container iterator and const_iterator.
2276         * testsuite/23_containers/list/68222_neg.cc: New.
2277         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
2278         line number.
2279         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
2280         (test01): Remove.
2281         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
2282         Remove.
2283
2284 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
2285
2286         PR libstdc++/77854
2287         * doc/xml/manual/status_cxx1998.xml: Document size_type and
2288         difference_type for containers.
2289         * doc/html/*: Regenerate.
2290
2291 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
2292
2293         P0646R1 Improving the Return Value of Erase-Like Algorithms I
2294         * include/debug/forward_list (forward_list::__remove_return_type):
2295         Define typedef as size_type or void, according to __cplusplus value.
2296         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2297         empty, according to __cplusplus value.
2298         (_GLIBCXX20_ONLY): Define macro.
2299         (forward_list::remove, forward_list::unique): Use typedef and macro
2300         to change return type and add abi-tag for C++2a. Return number of
2301         removed elements for C++2a.
2302         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
2303         typedef to change return type for C++2a. Return number of removed
2304         elements for C++2a.
2305         * include/debug/list (list::__remove_return_type): Define typedef as
2306         size_type or void, according to __cplusplus value.
2307         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2308         empty, according to __cplusplus value.
2309         (_GLIBCXX20_ONLY): Define macro.
2310         (list::remove, list::unique): Use typedef and macro to change return
2311         type and add abi-tag for C++2a. Return number of removed elements for
2312         C++2a.
2313         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
2314         to change return type for C++2a. Return number of removed elements for
2315         C++2a.
2316
2317 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
2318
2319         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
2320
2321 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
2322
2323         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
2324         redundant dg-do directive.
2325         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
2326         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
2327         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
2328         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
2329
2330 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
2331
2332         PR libstdc++/86963
2333         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
2334         (_Tuple_impl::_M_assign): New functions to perform assignment instead
2335         of assignment operators.
2336         (_Tuple_impl::_M_swap): Remove exception specification.
2337         (_Tuple_impl<_Idx, _Head>): Likewise.
2338         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
2339         (__tuple_base): Remove.
2340         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
2341         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
2342         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
2343         using __is_nothrow_swappable.
2344         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
2345
2346         * include/std/optional (_Optional_payload): Use variable templates
2347         for conditions in default template arguments and exception
2348         specifications.
2349         (optional): Likewise. Adjust indentation.
2350         (optional::__not_self, optional::__not_tag, optional::_Requires): New
2351         SFINAE helpers.
2352         (optional::optional): Use new helpers in constructor constraints.
2353         * include/std/type_traits (__or_v, __and_v): New variable templates.
2354         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
2355         dg-prune-output. Remove unused header.
2356
2357 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
2358
2359         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
2360         _GLIBCXX_DEBUG.
2361
2362 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
2363
2364         PR libstdc++/86963
2365         * include/std/tuple (__tuple_base): New class template with deleted
2366         copy assignment operator.
2367         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
2368         implicit copy/move assignment operator will be deleted/suppressed.
2369         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
2370         functions for SFINAE constraints on assignment operators.
2371         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
2372         New helper functions for exception specifications.
2373         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
2374         (tuple<_T1, _T2>::operator=(const tuple&))
2375         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
2376         __nonesuch_no_braces when the operator should be defined implicitly.
2377         Use __nothrow_assignable for exception specifications.
2378         (tuple::operator=(const tuple<_UElements...>&))
2379         (tuple::operator=(tuple<_UElements...>&&))
2380         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
2381         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
2382         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
2383         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
2384         __assignable and use __nothrow_assignable for exception
2385         specifications.
2386         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
2387         gdb.Type as first argument, instead of a string.
2388         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
2389         tuple for expected structure.
2390         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
2391         * testsuite/20_util/tuple/dr2729.cc: New test.
2392         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
2393         to dg-prune-output.
2394
2395 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
2396
2397         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
2398         about signed/unsigned comparison.
2399
2400         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
2401         deprecation warnings for using uncaught_exception().
2402
2403         PR libstdc++/86447
2404         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
2405         (logic_error::logic_error(logic_error&&))
2406         (logic_error::operator=(logic_error&&))
2407         (runtime_error::runtime_error(runtime_error&&))
2408         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
2409         moving, to avoid allocating empty reps for moved-from strings.
2410
2411 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
2412
2413         * include/experimental/regex: Remove begin/end macros for namespace.
2414         * include/experimental/string: Likewise.
2415         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
2416         New test.
2417         * testsuite/experimental/polymorphic_allocator/
2418         pmr_typedefs_forward_list.cc: New test.
2419         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
2420         New test.
2421         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
2422         New test.
2423         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
2424         New test.
2425         * testsuite/experimental/polymorphic_allocator/
2426         pmr_typedefs_multimap.cc: New test.
2427         * testsuite/experimental/polymorphic_allocator/
2428         pmr_typedefs_multiset.cc: New test.
2429         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
2430         New test.
2431         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
2432         New test.
2433         * testsuite/experimental/polymorphic_allocator/
2434         pmr_typedefs_unordered_map.cc: New test.
2435         * testsuite/experimental/polymorphic_allocator/
2436         pmr_typedefs_unordered_multimap.cc: New test.
2437         * testsuite/experimental/polymorphic_allocator/
2438         pmr_typedefs_unordered_multiset.cc: New test.
2439         * testsuite/experimental/polymorphic_allocator/
2440         pmr_typedefs_unordered_set.cc: New test.
2441         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
2442         New test.
2443
2444         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
2445         calls to __uses_allocator_construct_impl and __use_alloc.
2446         * include/experimental/memory_resource
2447         (polymorphic_allocator::_M_construct): Remove.
2448         (polymorphic_allocator::construct): Call __uses_allocator_construct.
2449         Qualify calls to __use_alloc.
2450         * include/std/memory_resource (polymorphic_allocator::construct): Fix
2451         type in SFINAE constraint. Use constexpr if instead of tag dispatching
2452         to _S_construct overloads.
2453         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
2454         arguments to _S_construct_p.
2455         (polymorphic_allocator::_S_construct): Remove.
2456         (polymorphic_allocator::_S_construct_p): Return allocators by value
2457         not by reference.
2458         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
2459         Qualify calls to __use_alloc.
2460         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
2461         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
2462         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
2463         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
2464         New test.
2465
2466         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
2467         (atomic_mem_res): Add unsynchronized definition for single-threaded.
2468
2469 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
2470
2471         PR libstdc++/86954
2472         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
2473         non-placement delete.
2474
2475         * include/std/chrono (__check_overflow): Simplify definition.
2476         (_Checked_integral_constant): Remove.
2477
2478         PR libstdc++/86846
2479         * src/c++17/default_resource.h: New file, defining default_res.
2480         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
2481         (atomic_mem_res): Define alternative for atomic<memory_resource*>
2482         using a mutex instead of atomics.
2483
2484         PR libstdc++/85343
2485         * config/abi/pre/gnu.ver: Export new symbol.
2486         * doc/xml/manual/abi.xml: Document new versions.
2487         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
2488         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
2489         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
2490         Declare new overload.
2491         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
2492         and static member function.
2493         (__throw_ios_failure(const char*, int)): Define.
2494         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
2495         (__throw_ios_failure(const char*, int)): Define.
2496
2497 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
2498
2499         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
2500         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
2501         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
2502         copied/assigned rope iterators don't retain pointers to the iterator
2503         they were copied/assigned from.
2504         * testsuite/ext/rope/7.cc: New.
2505
2506 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
2507
2508         PR libstdc++/45093
2509         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
2510         Combine definitions to avoid --detect-odr-violations warning.
2511
2512         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
2513         __is_pow2 to check for valid alignment. Avoid branching when rounding
2514         size to multiple of alignment.
2515
2516         * include/Makefile.am: Install <bit> and <version> for freestanding.
2517         * include/Makefile.in: Regenerate.
2518         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
2519
2520         Revert
2521         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2522
2523         PR target/85904
2524         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
2525         Newlib.
2526         * configure: Regenerate.
2527
2528 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
2529
2530         PR libstdc++/68210
2531         * doc/xml/manual/intro.xml: Document LWG 206 change.
2532         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2533         * libsupc++/del_opa.cc: Likewise.
2534         * libsupc++/del_opant.cc: Likewise.
2535         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
2536         of free(ptr).
2537         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2538         * libsupc++/del_opsa.cc: Likewise.
2539         * libsupc++/del_opva.cc: Likewise.
2540         * libsupc++/del_opvant.cc: Likewise.
2541         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
2542         instead of operator delete(ptr).
2543         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
2544         * libsupc++/del_opvsa.cc: Likewise.
2545         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
2546         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
2547         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
2548         with noexcept.
2549         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
2550         malloc(sz).
2551         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
2552         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
2553         operator new(sz, nothrow).
2554         * testsuite/18_support/new_nothrow.cc: New test.
2555
2556 2018-08-10  Martin Liska  <mliska@suse.cz>
2557
2558         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
2559         predictor can handle that.
2560         * libsupc++/new_opa.cc: Likewise.
2561         * libsupc++/new_opnt.cc (new): Likewise.
2562
2563 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
2564
2565         PR target/85904
2566         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
2567         Newlib.
2568         * configure: Regenerate.
2569
2570 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
2571
2572         * include/std/deque (std::pmr::deque): Declare alias.
2573         * include/std/forward_list (std::pmr::forward_list): Likewise.
2574         * include/std/list (std::pmr::list): Likewise.
2575         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
2576         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
2577         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
2578         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
2579         * include/std/string (std::pmr::basic_string, std::pmr::string)
2580         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
2581         Likewise.
2582         * include/std/unordered_map (std::pmr::unordered_map)
2583         (std::pmr::unordered_multimap): Likewise.
2584         * include/std/unordered_set (std::pmr::unordered_set)
2585         (std::pmr::unordered_multiset): Likewise.
2586         * include/std/vector (std::pmr::vector): Likewise.
2587         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
2588         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
2589         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
2590         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
2591         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
2592         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
2593         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
2594         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
2595         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
2596         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
2597         test.
2598         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
2599         test.
2600         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
2601         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
2602         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
2603
2604 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
2605
2606         * include/bits/stl_algo.h
2607         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
2608         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
2609         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
2610         duplication...
2611         (rotate(_Ite, _Ite, _Ite)): ...here.
2612         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
2613         Simplify rotate call.
2614         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
2615         Likewise.
2616         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
2617         Likewise.
2618
2619 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
2620
2621         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
2622         avoid clashing with an ::aligned_alloc function that was not detected
2623         by configure.
2624
2625         * doc/xml/manual/using.xml: Fix markup for empty table entry.
2626         * doc/html/*: Regenerate.
2627
2628         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
2629         * doc/html/*: Regenerate.
2630
2631         PR libstdc++/86597
2632         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
2633         Clear error_code when cached type is used.
2634         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
2635
2636 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
2637
2638         PR libstdc++/86874
2639         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
2640         here instead of in _Move_assign_base.
2641         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
2642         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
2643         the contained value to another alternative.
2644         (_Move_assign_base::operator=): Likewise.
2645         (_Move_assign_base::_M_destructive_move): Remove.
2646         * testsuite/20_util/variant/86874.cc: New test.
2647
2648         PR libstdc++/86861
2649         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
2650         Replace macro with inline function.
2651         [__sun]: Increase alignment to meet memalign precondition.
2652         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
2653         (aligned_alloc): Move check for valid alignment to operator new.
2654         Remove redundant check for non-zero size, it's enforced by the caller.
2655         (operator new): Move check for valid alignment here. Use
2656         __builtin_expect on check for zero size.
2657
2658         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
2659         * include/std/memory_resource (monotonic_buffer_resource::release):
2660         Call _M_release_buffers to free buffers.
2661         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
2662         allocate a new buffer from upstream.
2663         (monotonic_buffer_resource::_M_new_buffer): Declare.
2664         (monotonic_buffer_resource::_M_release_buffers): Declare.
2665         (monotonic_buffer_resource::_Chunk): Replace definition with
2666         declaration as opaque type.
2667         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
2668         Define.
2669         (monotonic_buffer_resource::_M_new_buffer): Define.
2670         (monotonic_buffer_resource::_M_release_buffers): Define.
2671
2672 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
2673
2674         * include/bits/stl_iterator.h: Fix comment.
2675
2676 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
2677
2678         * src/c++11/system_error.cc
2679         (system_error_category::default_error_condition): Add workaround for
2680         ENOTEMPTY and EEXIST having the same value on AIX.
2681         * testsuite/19_diagnostics/error_category/system_category.cc: Add
2682         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
2683
2684 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2685
2686         * configure: Regenerate.
2687         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
2688         * src/c++11/futex.cc: Use __glibcxx_assert instead of
2689         _GLIBCXX_DEBUG_ASSERT.
2690
2691 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2692
2693         * include/std/condition_variable (wait_for): Use steady_clock.
2694
2695 2018-08-01  Mike Crowe  <mac@mcrowe.com>
2696
2697         * include/std/condition_variable (wait_until): Only report timeout
2698         if we really have timed out when measured against the
2699         caller-supplied clock.
2700         * testsuite/30_threads/condition_variable/members/2.cc: Add test
2701         case to confirm above behaviour.
2702
2703 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
2704
2705         PR libstdc++/60555
2706         * src/c++11/system_error.cc
2707         (system_error_category::default_error_condition): New override to
2708         check for POSIX errno values.
2709         * testsuite/19_diagnostics/error_category/generic_category.cc: New
2710         * testsuite/19_diagnostics/error_category/system_category.cc: New
2711         test.
2712
2713 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
2714
2715         PR libstdc++/86751
2716         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
2717         assignment operator.
2718         (pair): Derive from __pair_base.
2719         (pair::operator=): Remove deleted overload.
2720         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
2721         so that new base class isn't shown in GDB.
2722         * testsuite/20_util/pair/86751.cc: New test.
2723         * testsuite/20_util/pair/ref_assign.cc: New test.
2724
2725         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2726         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
2727         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
2728         instead of __has_builtin.
2729         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
2730         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
2731         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
2732         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
2733         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
2734         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
2735         (__cpp_lib_has_unique_object_representations): Don't define when
2736         builtin not available.
2737         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
2738         Likewise.
2739         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
2740         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
2741         from here.
2742
2743         * doc/xml/manual/test.xml: Improve documentation on writing tests for
2744         newer standards.
2745         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
2746         * doc/html/*: Regenerate.
2747
2748         * include/ext/pointer.h [__cplusplus >= 201103L]
2749         (_Pointer_adapter::operator bool): Add explicit conversion operator
2750         to replace safe bool idiom.
2751
2752 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
2753
2754         PR libstdc++/86734
2755         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
2756         _S_to_pointer (LWG 1052, LWG 2118).
2757         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
2758         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
2759         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
2760
2761         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
2762         workaround for aligned_alloc bug on AIX.
2763         * testsuite/18_support/new_aligned.cc: New test.
2764
2765 2018-07-26  Marek Polacek  <polacek@redhat.com>
2766
2767         * testsuite/30_threads/condition_variable_any/cond.cc: New.
2768
2769 2018-07-26  Marek Polacek  <polacek@redhat.com>
2770
2771         * src/c++98/locale_init.cc: Fix #ifdef condition.
2772
2773 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
2774
2775         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
2776         dg-require-cstdint directive.
2777         * testsuite/20_util/allocator/overaligned.cc: Likewise.
2778         * testsuite/20_util/any/cons/aligned.cc: Likewise.
2779         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
2780         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
2781         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
2782         Likewise.
2783         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
2784         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
2785         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
2786         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
2787         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
2788         random_device effective-target.
2789         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
2790         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
2791         * testsuite/25_algorithms/sample/2.cc: Likewise.
2792         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
2793         and random_device.
2794         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
2795         cstdint.
2796         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
2797         Likewise.
2798         * testsuite/26_numerics/random/discard_block_engine/requirements/
2799         constexpr_data.cc: Likewise.
2800         * testsuite/26_numerics/random/discard_block_engine/requirements/
2801         constexpr_functions.cc: Likewise.
2802         * testsuite/26_numerics/random/independent_bits_engine/requirements/
2803         constexpr_functions.cc: Likewise.
2804         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2805         constexpr_data.cc: Likewise.
2806         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
2807         constexpr_functions.cc: Likewise.
2808         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2809         constexpr_data.cc: Likewise.
2810         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
2811         constexpr_functions.cc: Likewise.
2812         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
2813         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
2814         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2815         constexpr_data.cc: Add dg-require-cstdint directive.
2816         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
2817         constexpr_functions.cc: Likewise.
2818         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2819         constexpr_data.cc: Likewise.
2820         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
2821         constexpr_functions.cc: Likewise.
2822         * testsuite/26_numerics/random/uniform_real_distribution/operators/
2823         64351.cc: Likewise.
2824         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
2825         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2826         * testsuite/experimental/algorithm/sample.cc: Likewise.
2827         * testsuite/experimental/algorithm/search.cc: Likewise.
2828         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2829         * testsuite/experimental/any/cons/aligned.cc: Likewise.
2830         * testsuite/experimental/memory_resource/new_delete_resource.cc:
2831         Likewise.
2832         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
2833         * testsuite/experimental/random/randint.cc: Likewise.
2834         * testsuite/experimental/source_location/1.cc: Likewise.
2835         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
2836         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
2837         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
2838         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
2839         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
2840         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
2841         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
2842         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
2843         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
2844         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
2845         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
2846         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
2847         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
2848         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
2849         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
2850         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
2851         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
2852         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
2853         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
2854         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
2855         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
2856         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
2857         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
2858
2859         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
2860         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
2861         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
2862         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
2863         Likewise.
2864         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
2865         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
2866         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
2867         Likewise.
2868         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
2869         Likewise.
2870         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
2871         Likewise.
2872         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
2873         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
2874         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
2875         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
2876         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
2877         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
2878         Likewise.
2879         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
2880         Likewise.
2881         * testsuite/30_threads/recursive_timed_mutex/dest/
2882         destructor_locked.cc: Likewise.
2883         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
2884         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
2885         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
2886         Likewise.
2887         * testsuite/30_threads/recursive_timed_mutex/native_handle/
2888         typesizes.cc: Likewise.
2889         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
2890         Likewise.
2891         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
2892         Likewise.
2893         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
2894         Likewise.
2895         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
2896         Likewise.
2897         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
2898         Likewise.
2899         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
2900         Likewise.
2901         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
2902         Likewise.
2903         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
2904         Likewise.
2905         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
2906         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
2907         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
2908         * testsuite/30_threads/scoped_lock/requirements/
2909         explicit_instantiation.cc: Likewise.
2910         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
2911         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
2912         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
2913         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
2914         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
2915         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
2916         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
2917         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
2918         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
2919         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
2920         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
2921         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
2922         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
2923         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
2924         * testsuite/30_threads/shared_future/requirements/
2925         explicit_instantiation.cc: Likewise.
2926         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
2927         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
2928         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
2929         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
2930         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
2931         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
2932         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
2933         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
2934         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
2935         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
2936         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
2937         * testsuite/30_threads/shared_lock/requirements/
2938         explicit_instantiation.cc: Likewise.
2939         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
2940         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
2941         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
2942         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
2943         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
2944         Likewise.
2945         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
2946         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
2947         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
2948         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
2949         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
2950         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
2951         * testsuite/30_threads/shared_timed_mutex/requirements/
2952         standard_layout.cc: Likewise.
2953         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
2954         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
2955         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
2956         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
2957         * testsuite/30_threads/this_thread/1.cc: Likewise.
2958         * testsuite/30_threads/this_thread/2.cc: Likewise.
2959         * testsuite/30_threads/this_thread/3.cc: Likewise.
2960         * testsuite/30_threads/this_thread/4.cc: Likewise.
2961         * testsuite/30_threads/this_thread/58038.cc: Likewise.
2962         * testsuite/30_threads/thread/70503.cc: Likewise.
2963         * testsuite/30_threads/thread/84532.cc: Likewise.
2964         * testsuite/30_threads/thread/adl.cc: Likewise.
2965         * testsuite/30_threads/thread/cons/1.cc: Likewise.
2966         * testsuite/30_threads/thread/cons/2.cc: Likewise.
2967         * testsuite/30_threads/thread/cons/3.cc: Likewise.
2968         * testsuite/30_threads/thread/cons/4.cc: Likewise.
2969         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
2970         * testsuite/30_threads/thread/cons/5.cc: Likewise.
2971         * testsuite/30_threads/thread/cons/6.cc: Likewise.
2972         * testsuite/30_threads/thread/cons/7.cc: Likewise.
2973         * testsuite/30_threads/thread/cons/8.cc: Likewise.
2974         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
2975         * testsuite/30_threads/thread/cons/9.cc: Likewise.
2976         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
2977         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
2978         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
2979         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
2980         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
2981         * testsuite/30_threads/thread/id/operators.cc: Likewise.
2982         * testsuite/30_threads/thread/members/1.cc: Likewise.
2983         * testsuite/30_threads/thread/members/2.cc: Likewise.
2984         * testsuite/30_threads/thread/members/3.cc: Likewise.
2985         * testsuite/30_threads/thread/members/4.cc: Likewise.
2986         * testsuite/30_threads/thread/members/5.cc: Likewise.
2987         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
2988         Likewise.
2989         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
2990         * testsuite/30_threads/thread/swap/1.cc: Likewise.
2991         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
2992         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
2993         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
2994         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
2995         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
2996         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
2997         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
2998         Likewise.
2999         * testsuite/30_threads/timed_mutex/requirements/
3000         standard_layout.cc: Likewise.
3001         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
3002         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
3003         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
3004         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
3005         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
3006         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
3007         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
3008         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
3009         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
3010         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
3011         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
3012         * testsuite/30_threads/try_lock/1.cc: Likewise.
3013         * testsuite/30_threads/try_lock/2.cc: Likewise.
3014         * testsuite/30_threads/try_lock/3.cc: Likewise.
3015         * testsuite/30_threads/try_lock/4.cc: Likewise.
3016         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
3017         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
3018         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
3019         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
3020         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
3021         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
3022         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
3023         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
3024         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
3025         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
3026         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
3027         * testsuite/30_threads/unique_lock/requirements/
3028         explicit_instantiation.cc: Likewise.
3029         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
3030
3031         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
3032         directive.
3033         * testsuite/30_threads/async/49668.cc: Likewise.
3034         * testsuite/30_threads/async/54297.cc: Likewise.
3035         * testsuite/30_threads/async/84532.cc: Likewise.
3036         * testsuite/30_threads/async/any.cc: Likewise.
3037         * testsuite/30_threads/async/async.cc: Likewise.
3038         * testsuite/30_threads/async/except.cc: Likewise.
3039         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
3040         * testsuite/30_threads/async/launch.cc: Likewise.
3041         * testsuite/30_threads/async/lwg2021.cc: Likewise.
3042         * testsuite/30_threads/async/sync.cc: Likewise.
3043         * testsuite/30_threads/call_once/39909.cc: Likewise.
3044         * testsuite/30_threads/call_once/49668.cc: Likewise.
3045         * testsuite/30_threads/call_once/60497.cc: Likewise.
3046         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
3047         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
3048         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
3049         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
3050         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
3051         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
3052         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
3053         Likewise.
3054         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
3055         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
3056         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
3057         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
3058         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
3059         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
3060         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
3061         Likewise.
3062         * testsuite/30_threads/condition_variable/requirements/
3063         standard_layout.cc: Likewise.
3064         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
3065         * Likewise.
3066         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
3067         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
3068         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
3069         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
3070         Likewise.
3071         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
3072         Likewise.
3073         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
3074         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
3075         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
3076         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
3077         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
3078         * testsuite/30_threads/future/cons/default.cc: Likewise.
3079         * testsuite/30_threads/future/cons/move.cc: Likewise.
3080         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
3081         * testsuite/30_threads/future/members/45133.cc: Likewise.
3082         * testsuite/30_threads/future/members/get.cc: Likewise.
3083         * testsuite/30_threads/future/members/get2.cc: Likewise.
3084         * testsuite/30_threads/future/members/share.cc: Likewise.
3085         * testsuite/30_threads/future/members/valid.cc: Likewise.
3086         * testsuite/30_threads/future/members/wait.cc: Likewise.
3087         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
3088         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
3089         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
3090         Likewise.
3091         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
3092         Likewise.
3093         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
3094         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
3095         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
3096         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
3097         * testsuite/30_threads/lock/1.cc: Likewise.
3098         * testsuite/30_threads/lock/2.cc: Likewise.
3099         * testsuite/30_threads/lock/3.cc: Likewise.
3100         * testsuite/30_threads/lock/4.cc: Likewise.
3101         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
3102         * testsuite/30_threads/lock_guard/requirements/
3103         explicit_instantiation.cc: Likewise.
3104         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
3105         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
3106         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
3107         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
3108         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
3109         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
3110         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
3111         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
3112         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
3113         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
3114         Likewise.
3115         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
3116         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
3117         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
3118         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
3119         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
3120         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
3121         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
3122         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
3123         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
3124         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
3125         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
3126         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
3127         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
3128         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
3129         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
3130         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
3131         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
3132         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
3133         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
3134         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
3135         Likewise.
3136         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
3137         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
3138         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
3139         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
3140         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
3141         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
3142         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
3143         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
3144         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
3145         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
3146         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
3147         * testsuite/30_threads/packaged_task/requirements/
3148         explicit_instantiation.cc: Likewise.
3149         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
3150         * testsuite/30_threads/promise/60966.cc: Likewise.
3151         * testsuite/30_threads/promise/69106.cc: Likewise.
3152         * testsuite/30_threads/promise/cons/1.cc: Likewise.
3153         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
3154         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
3155         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
3156         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
3157         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
3158         * testsuite/30_threads/promise/cons/move.cc: Likewise.
3159         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
3160         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
3161         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
3162         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
3163         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
3164         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
3165         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
3166         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
3167         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
3168         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
3169         * testsuite/30_threads/promise/members/swap.cc: Likewise.
3170         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
3171         * Likewise.
3172         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
3173
3174         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
3175         from namespace std.
3176         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
3177         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
3178         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
3179         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
3180         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
3181         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
3182         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
3183         * testsuite/20_util/duration/cons/1.cc: Likewise.
3184         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
3185         * testsuite/20_util/duration/cons/2.cc: Likewise.
3186         * testsuite/20_util/duration/cons/54025.cc: Likewise.
3187         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
3188         * testsuite/20_util/duration/requirements/explicit_instantiation/
3189         explicit_instantiation.cc: Likewise.
3190         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3191         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3192         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3193         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
3194         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
3195         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
3196         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
3197         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
3198         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
3199         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
3200         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
3201         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
3202         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
3203         * testsuite/20_util/system_clock/1.cc: Likewise.
3204         * testsuite/20_util/time_point/1.cc: Likewise.
3205         * testsuite/20_util/time_point/2.cc: Likewise.
3206         * testsuite/20_util/time_point/3.cc: Likewise.
3207         * testsuite/20_util/time_point/requirements/explicit_instantiation/
3208         explicit_instantiation.cc: Likewise.
3209         * testsuite/21_strings/basic_string/requirements/
3210         explicit_instantiation/char16_t/1.cc: Likewise.
3211         * testsuite/21_strings/basic_string/requirements/
3212         explicit_instantiation/char32_t/1.cc: Likewise.
3213         * testsuite/21_strings/basic_string_view/requirements/
3214         explicit_instantiation/char16_t/1.cc: Likewise.
3215         * testsuite/21_strings/basic_string_view/requirements/
3216         explicit_instantiation/char32_t/1.cc: Likewise.
3217         * testsuite/21_strings/char_traits/requirements/
3218         explicit_instantiation/char16_t/1.cc: Likewise.
3219         * testsuite/21_strings/char_traits/requirements/
3220         explicit_instantiation/char32_t/1.cc: Likewise.
3221         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
3222         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
3223         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
3224         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
3225         Likewise.
3226         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
3227         Likewise.
3228         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
3229         Likewise.
3230         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
3231         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
3232         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
3233         Likewise.
3234         * testsuite/experimental/string_view/requirements/
3235         explicit_instantiation/char16_t/1.cc: Likewise.
3236         * testsuite/experimental/string_view/requirements/
3237         explicit_instantiation/char32_t/1.cc: Likewise.
3238         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
3239         1.cc: Likewise.
3240         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
3241         1.cc: Likewise.
3242
3243         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3244         (random_condition, throw_value_random, throw_allocator_random)
3245         (std::hash<throw_value_random>): Do not define when <tr1/random> is
3246         not usable.
3247         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
3248         define transactional memory support when <stdint.h> is not usable.
3249
3250         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
3251         implementation that doesn't depend on <stdint.h> types.
3252         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
3253         std::size_t when std::uintptr_t is not usable.
3254         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
3255         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
3256         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
3257
3258         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3259         (hash<u16string>, hash<u32string>): Remove dependency on
3260         _GLIBCXX_USE_C99_STDINT_TR1.
3261         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3262         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
3263         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
3264         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
3265         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3266         (codecvt<char16_t, char, mbstate_t>)
3267         (codecvt<char32_t, char, mbstate_t>)
3268         (codecvt_byname<char16_t, char, mbstate_t>)
3269         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
3270         on _GLIBCXX_USE_C99_STDINT_TR1.
3271         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3272         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
3273         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3274         (char_traits<char16_t>, char_traits<char32_t>)
3275         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
3276         on _GLIBCXX_USE_C99_STDINT_TR1.
3277         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
3278         (u16string_view, u32string_view, hash<u16string_view>)
3279         (hash<u32string_view>, operator""sv(const char16_t, size_t))
3280         (operator""sv(const char32_t, size_t)): Likewise.
3281         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3282         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
3283         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3284         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
3285         (__u32sso_string, __u32rc_string): Likewise.
3286         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
3287         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
3288         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
3289         (u16string_view, u32string_view, hash<u16string_view>)
3290         (hash<u32string_view>, operator""sv(const char16_t, size_t))
3291         (operator""sv(const char32_t, size_t)): Likewise.
3292         * src/c++11/codecvt.cc: Likewise.
3293         * src/c++98/locale_init.cc: Likewise.
3294         * src/c++98/localename.cc: Likewise.
3295
3296         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3297         (__atomic_futex_unsigned_base): Remove dependency on
3298         _GLIBCXX_USE_C99_STDINT_TR1 macro.
3299         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
3300         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
3301         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
3302         (uintmax_t): Define using predefined macros.
3303         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
3304         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
3305         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
3306         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
3307         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
3308         long long when <stdint.h> is not usable.
3309         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
3310         (condition_variable, condition_variable_any): Remove dependency on
3311         _GLIBCXX_USE_C99_STDINT_TR1.
3312         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
3313         (packaged_task, async): Likewise.
3314         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
3315         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
3316         (once_flag, call_once): Likewise.
3317         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
3318         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
3319         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
3320         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
3321         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
3322         (this_thread::sleep_until): Likewise.
3323         * src/c++11/chrono.cc: Remove dependency on
3324         _GLIBCXX_USE_C99_STDINT_TR1 macro.
3325         * src/c++11/condition_variable.cc: Likewise.
3326         * src/c++11/futex.cc: Likewise.
3327         * src/c++11/future.cc: Likewise.
3328         * src/c++11/mutex.cc: Likewise.
3329         * src/c++11/thread.cc: Likewise.
3330         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
3331         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
3332         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
3333         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
3334         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
3335         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
3336
3337 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3338
3339         PR libstdc++/77691
3340         * testsuite/experimental/memory_resource/new_delete_resource.cc:
3341         xfail execution on 32-bit Solaris/x86.
3342
3343 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
3344
3345         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
3346         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
3347         (vector::_M_move_assign): Reorder the swaps.
3348
3349 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
3350
3351         PR libstdc++/86676
3352         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
3353         same alignment for post-release allocation.
3354
3355 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
3356
3357         PR libstdc++/86676
3358         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
3359         buffer being misaligned and so returned pointer not being at start.
3360
3361         * include/experimental/memory_resource: Include <cstddef> header.
3362
3363         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
3364         * src/Makefile.am: Add comment.
3365         * src/c++17/Makefile.in: Regenerate.
3366
3367         * include/Makefile.am: Add new <bits/unique_lock.h> header.
3368         * include/Makefile.in: Regenerate.
3369         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
3370         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
3371         (unique_lock): Move definition to ...
3372         * include/bits/unique_lock.h: New header.
3373         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
3374         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
3375         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
3376         (unique_lock::try_lock_for): Define only when <chrono> is usable.
3377         * include/std/condition_variable: Include <bits/unique_lock.h>.
3378         * include/std/mutex: Likewise.
3379
3380 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
3381
3382         * config/abi/pre/gnu.ver: Export new symbols.
3383         * configure: Regenerate.
3384         * include/Makefile.am: Add new <memory_resource> header.
3385         * include/Makefile.in: Regenerate.
3386         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
3387         * include/std/memory_resource: New header.
3388         (memory_resource, polymorphic_allocator, new_delete_resource)
3389         (null_memory_resource, set_default_resource, get_default_resource)
3390         (pool_options, monotonic_buffer_resource): Define.
3391         * src/Makefile.am: Add c++17 directory.
3392         * src/Makefile.in: Regenerate.
3393         * src/c++11/Makefile.am: Fix comment.
3394         * src/c++17/Makefile.am: Add makefile for new sub-directory.
3395         * src/c++17/Makefile.in: Generate.
3396         * src/c++17/memory_resource.cc: New.
3397         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
3398         (default_res, new_delete_resource, null_memory_resource)
3399         (set_default_resource, get_default_resource): Define.
3400         * testsuite/20_util/memory_resource/1.cc: New test.
3401         * testsuite/20_util/memory_resource/2.cc: New test.
3402         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
3403         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
3404         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
3405         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
3406         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
3407         New test.
3408         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
3409         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
3410         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
3411         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
3412         Define concrete memory resource for testing.
3413         (__gnu_test::default_resource_mgr): Define RAII helper for changing
3414         default resource.
3415
3416         PR libstdc++/86658
3417         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
3418         parameter by reference, to avoid copying invalid iterators.
3419         * testsuite/25_algorithms/copy/86658.cc: New test.
3420
3421         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
3422         local variables for number of digits instead of type aliases.
3423         (__log2p1): Remove redundant branch also checked in __countl_zero.
3424
3425         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
3426         conditions. Add comments.
3427         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
3428         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
3429         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
3430
3431         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
3432         (__uses_allocator_helper): Check conditions directly instead of
3433         using __is_erased_or_convertible.
3434
3435         * include/experimental/memory_resource: Adjust comments and
3436         whitespace.
3437         (__resource_adaptor_imp): Add second template parameter for type of
3438         memory resource base class.
3439         (memory_resource): Define default constructor, destructor, copy
3440         constructor and copy assignment operator as defaulted.
3441
3442         PR libstdc++/70966
3443         * include/experimental/memory_resource (__get_default_resource): Use
3444         placement new to create an object with dynamic storage duration.
3445
3446 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
3447
3448         PR libstdc++/70940
3449         * include/experimental/memory_resource
3450         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
3451         (__resource_adaptor_common::__guaranteed_alignment): New helper to
3452         give maximum alignment an allocator guarantees. Specialize for known
3453         allocators using new and malloc.
3454         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
3455         (__resource_adaptor_imp::do_deallocate): Likewise.
3456         * testsuite/experimental/memory_resource/new_delete_resource.cc:
3457         Check that new and delete are called with expected sizes.
3458
3459 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
3460
3461         PR libstdc++/86595
3462         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
3463         noexcept.
3464
3465 2018-07-20  Fangrui Song  <maskray@google.com>
3466
3467         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
3468         _GLIBCXX_VISIBILITY(default).
3469
3470 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
3471
3472         PR libstdc++/86603
3473         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
3474
3475 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
3476
3477         * include/std/type_traits (__is_member_object_pointer_helper): Use
3478         __not_<is_function<_Tp>>::type instead of integral_constant.
3479         (__is_member_function_pointer_helper): Likewise for
3480         is_function<_Tp>::type.
3481         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
3482         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
3483         (is_trivially_constructible): Remove redundant use of
3484         is_constructible.
3485         (__is_trivially_copy_assignable_impl): Remove redundant use of
3486         is_copy_assignable.
3487         (__is_trivially_move_assignable_impl): Remove redundant use of
3488         is_move_assignable.
3489         (is_trivially_destructible): Use __bool_constant.
3490         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
3491         tests for scalar types.
3492
3493 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
3494
3495         * include/bits/stl_algobase.h (__copy_move_a): Used
3496         __is_trivially_copyable.
3497         (__copy_move_backward_a): Likewise.
3498         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
3499         New test.
3500
3501 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
3502
3503         PR libstdc++/86450
3504         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
3505         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
3506         * configure: Regenerate.
3507         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
3508         * doc/Makefile.in: Regenerate.
3509         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
3510         * include/Makefile.in: Regenerate.
3511         * libsupc++/Makefile.in: Regenerate.
3512         * po/Makefile.in: Regenerate.
3513         * python/Makefile.in: Regenerate.
3514         * src/Makefile.in: Regenerate.
3515         * src/c++11/Makefile.in: Regenerate.
3516         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
3517         from -Wabi=2 that don't affect exported symbols.
3518         * src/c++98/Makefile.in: Regenerate.
3519         * src/filesystem/Makefile.in: Regenerate.
3520         * testsuite/Makefile.in: Regenerate.
3521
3522         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
3523         (_Async_state_common::_M_join): Simplify use of std::call_once and
3524         corresponding explicit instantiation.
3525         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
3526         (__bind_simple): Remove definitions and explicit instantiation that
3527         are not required by exported symbols.
3528
3529 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
3530
3531         * scripts/create_testsuite_files: Fix typo in comment.
3532
3533         PR libstdc++/86537
3534         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
3535         non-standard partial specialization.
3536         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
3537         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
3538         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
3539
3540 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
3541
3542         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
3543         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
3544         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
3545
3546 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
3547
3548         * include/debug/functions.h (__gnu_debug::__check_string): Move...
3549         * include/debug/string (__gnu_debug::__check_string): ... here.
3550         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
3551         (__glibcxx_check_string_n_constructor): New.
3552         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
3553         Use latter.
3554         (__glibcxx_check_string_constructor): New.
3555         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
3556         Use latter.
3557         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
3558         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
3559
3560 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
3561
3562         PR libstdc++/84928 use std::move in <numeric> algorithms
3563         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
3564         conditionally move, according to __cplusplus value.
3565         (accumulate, inner_product, partial_sum, adjacent_difference): Use
3566         _GLIBCXX_MOVE_IF_20.
3567         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
3568         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
3569         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
3570         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
3571
3572         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
3573
3574         P0935R0 Eradicating unnecessarily explicit default constructors
3575         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
3576         default constructor symbols.
3577         * include/std/sstream (basic_stringbuf, basic_istringstream)
3578         (basic_ostringstream, basic_stringstream): Remove default arguments
3579         from explicit constructors taking ios_base::openmode and add separate
3580         non-explicit default constructors.
3581         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
3582         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
3583         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
3584         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
3585         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
3586
3587         * include/std/variant (__accepted_index): Use void_t.
3588
3589 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
3590
3591         PR libstdc++/85831
3592         * config/abi/pre/gnu.ver: Export move constructors and move
3593         assignment operators for std::logic_error and std::runtime_error.
3594         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
3595         _GLIBCXX_USE_NOEXCEPT.
3596         (logic_error, runtime_error): Declare move constructors and move
3597         assignment operators. When not declared already, define copy
3598         constructors and copy assignment operators as explicit-defaulted.
3599         (domain_error, invalid_argument, length_error, out_of_range)
3600         (overflow_error, underflow_error): Define move constructors and move
3601         assignment operators as explicitly-defaulted.
3602         * libsupc++/exception.h (exception): Likewise.
3603         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
3604         move constructors and move assignment operators as defaulted.
3605         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
3606         assignment operators are defined.
3607
3608         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
3609         COW strings.
3610         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
3611         Likewise.
3612         * testsuite/21_strings/basic_string/requirements/
3613         explicit_instantiation/debug.cc: Likewise.
3614
3615         PR libstdc++/58265
3616         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3617         (basic_string::assign(basic_string&&)): Add conditional noexcept
3618         depending on the allocator's is_always_equal property (LWG 2063).
3619         * testsuite/21_strings/basic_string/modifiers/assign/char/
3620         move_assign.cc: Check for non-throwing exception specification.
3621         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
3622         move_assign.cc: Likewise.
3623
3624         PR libstdc++/58265
3625         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
3626         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
3627         Add GLIBCXX_NOEXCEPT.
3628         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
3629         to depend on the allocator's is_always_equal property (LWG 2063).
3630         (basic_string::swap(basic_string&)): Likewise.
3631         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
3632         (basic_string::swap(basic_string&)): Likewise.
3633         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
3634         Check is_nothrow_move_assignable.
3635         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
3636         Check is_nothrow_move_assignable.
3637         * testsuite/21_strings/basic_string/cons/char/
3638         noexcept_move_construct.cc: Likewise.
3639         * testsuite/21_strings/basic_string/cons/wchar_t/
3640         noexcept_move_construct.cc: Likewise.
3641
3642 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3643
3644         P0646R1 Improving the Return Value of Erase-Like Algorithms I
3645         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
3646         Define.
3647         (forward_list::__remove_return_type): Define typedef as size_type or
3648         void, according to __cplusplus value.
3649         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
3650         empty, according to __cplusplus value.
3651         (forward_list::remove, forward_list::unique): Use typedef and macro
3652         to change return type and add abi-tag for C++2a.
3653         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
3654         typedef to change return type for C++2a.
3655         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
3656         (forward_list::remove, forward_list::remove_if<Pred>)
3657         (forward_list::unique<BinPred>): Return number of removed elements
3658         for C++2a.
3659         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
3660         (list::remove, list::unique, list::remove_if<Predicate>)
3661         (list::unique<BinaryPredicate>): Return number of removed elements
3662         for C++2a.
3663         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
3664         (list::__remove_return_type): Define typedef as size_type or
3665         void, according to __cplusplus value.
3666         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
3667         empty, according to __cplusplus value.
3668         (list::remove, list::unique): Use typedef and macro to change return
3669         type and add abi-tag for C++2a.
3670         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
3671         typedef to change return type for C++2a.
3672         * include/std/version (__cpp_lib_list_remove_return_type): Define.
3673         * testsuite/23_containers/forward_list/operations/
3674         remove_cxx20_return.cc: New.
3675         * testsuite/23_containers/forward_list/operations/
3676         unique_cxx20_return.cc: New.
3677
3678         P0458R2 Checking for Existence of an Element in Associative Containers
3679         * include/bits/stl_map.h (map::contains): Add for C++2a.
3680         * include/bits/stl_multimap.h (multimap::contains): Likewise.
3681         * include/bits/stl_multiset.h (multiset::contains): Likewise.
3682         * include/bits/stl_set.h (set::contains): Likewise.
3683         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
3684         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
3685         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
3686         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
3687         * include/bits/unordered_map.h (unordered_map::contains)
3688         (unordered_multimap::contains): Add for C++2a.
3689         * include/bits/unordered_set.h (unordered_set::contains)
3690         (unordered_multiset::contains): Likewise.
3691         * testsuite/23_containers/map/operations/contains.cc: New.
3692         * testsuite/23_containers/multimap/operations/contains.cc: New.
3693         * testsuite/23_containers/multiset/operations/contains.cc: New.
3694         * testsuite/23_containers/set/operations/contains.cc: New.
3695         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
3696         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
3697         New.
3698         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
3699         New.
3700         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
3701
3702 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
3703
3704         PR libstdc++/86272
3705         * include/debug/string
3706         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
3707         Use __glibcxx_check_insert_range.
3708         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
3709         __gnu_debug::string when _GLIBCXX_DEBUG.
3710         * 21_strings/basic_string/init-list.cc: Likewise.
3711         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
3712         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
3713         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
3714         * 21_strings/basic_string/types/1.cc: Likewise.
3715
3716 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3717
3718         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
3719         target for std::random_device.
3720         * testsuite/26_numerics/random/random_device/cons/default.cc:
3721         Likewise.
3722         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
3723         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3724         * testsuite/experimental/random/randint.cc: Likewise.
3725         * testsuite/lib/libstdc++.exp
3726         (check_effective_target_random_device): New proc.
3727
3728 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3729             Jakub Jelinek  <jakub@redhat.com>
3730
3731         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
3732
3733 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
3734
3735         PR libstdc++/86398
3736         * include/std/type_traits (is_trivially_constructible): Check
3737         is_constructible before __is_trivially_constructible.
3738         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
3739         tests, including negative cases.
3740         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
3741         zero for dg-error lineno.
3742         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
3743         Likewise.
3744
3745         * include/std/bit (__rotl, __rotr): Avoid branch.
3746         (_If_is_unsigned_integer): Use remove_cv_t.
3747         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
3748
3749 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
3750
3751         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
3752         * include/Makefile.am: Add new header.
3753         * include/Makefile.in: Regenerate.
3754         * include/precompiled/stdc++.h: Include new header.
3755         * include/std/bit: New header.
3756         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
3757         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
3758         Define for C++14.
3759         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
3760         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
3761         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
3762         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
3763         std::byte.
3764         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
3765         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
3766         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
3767         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
3768         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
3769         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
3770         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
3771         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
3772         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
3773         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
3774
3775         * include/bits/alloc_traits.h: Remove redundant preprocessor
3776         condition.
3777
3778 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
3779
3780         * include/bits/stl_algobase.h (__niter_wrap): New.
3781         (__copy_move_a2(_II, _II, _OI)): Use latter.
3782         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
3783         (fill_n(_OI, _Size, const _Tp&)): Likewise.
3784         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
3785         * include/debug/stl_iterator.h
3786         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
3787         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
3788         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
3789         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
3790
3791 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
3792
3793         P0758R1 Implicit conversion traits
3794         * include/std/type_traits [__cplusplus > 201703]
3795         (__is_convertible_helper::__is_nothrow_type): Define new member.
3796         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
3797         noexcept.
3798         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
3799         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
3800         new members.
3801         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
3802         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
3803         * testsuite/20_util/is_nothrow_convertible/requirements/
3804         explicit_instantiation.cc: New.
3805         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
3806         New.
3807
3808         P0887R1 The identity metafunction
3809         * include/std/type_traits (type_identity, type_identity_t): Define
3810         for C++2a.
3811         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
3812         * testsuite/20_util/type_identity/requirements/
3813         explicit_instantiation.cc:New.
3814         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
3815
3816         * include/bits/regex.h (sub_match::operator string_type): Call str().
3817         (sub_match::compare): Use _M_str() instead of str().
3818         (sub_match::_M_compare): New public function.
3819         (sub_match::__string_view): New helper type.
3820         (sub_match::_M_str): New overloaded functions to avoid creating a
3821         string_type object when not needed.
3822         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
3823         Use sub_match::_M_compare instead of creating string_type objects.
3824         Fix Doxygen comments.
3825         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
3826         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
3827         simplify.
3828         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
3829         __enable_if_t.
3830         * include/std/type_traits (__enable_if_t): Define for C++11.
3831         * testsuite/28_regex/sub_match/compare.cc: New.
3832         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
3833         trait.
3834         (input_iterator_wrapper): Use remove_cv for value_type argument of
3835         std::iterator base class.
3836
3837 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
3838
3839         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
3840         Add whitespace to dejagnu directive.
3841         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
3842
3843 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
3844
3845         * include/bits/stl_vector.h
3846         (struct _Vector_base<>::_Vector_impl_data): New.
3847         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
3848         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
3849         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
3850         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
3851         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
3852         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
3853         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
3854         (_Vector_base()): Default.
3855         (_Vector_base(_Vector_base&&)): Default.
3856         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
3857         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
3858         (_Vector_base::_M_create_storage(size_t)): Make protected.
3859         (vector()): Default.
3860         (vector(vector&&)): Default.
3861         (vector(vector&&, const allocator_type&, true_type)): New.
3862         (vector(vector&&, const allocator_type&, false_type)): New.
3863         (vector(vector&&, const allocator_type&)): Use latters.
3864         (vector(_InputIte, _InputIte, const allocator_type&)): Call
3865         _M_range_initialize directly.
3866         * include/debug/vector
3867         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
3868         * testsuite/23_containers/vector/allocator/default_init.cc: New.
3869         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
3870         static assertions.
3871
3872 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
3873
3874         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
3875         (__is_byte<byte>): Define specialization for std::byte.
3876
3877         PR libstdc++/86138
3878         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
3879         Declare explicit instantiations of COW empty reps and I/O functions.
3880
3881 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
3882
3883         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
3884         directives.
3885         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
3886
3887 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
3888
3889         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
3890         noexcept.
3891
3892 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
3893
3894         PR libstdc++/86112
3895         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
3896         Replace dict comprehension.
3897
3898         PR libstdc++/81092
3899         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
3900
3901         PR libstdc++/86292
3902         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
3903         Add try-catch block.
3904         * testsuite/23_containers/vector/cons/86292.cc: New.
3905
3906         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
3907
3908         * include/experimental/algorithm (sample, shuffle): Add new overloads
3909         using per-thread random number engine.
3910         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
3911         dependencies by using __gnu_test::test_container.
3912         * testsuite/experimental/algorithm/sample-2.cc: New.
3913         * testsuite/experimental/algorithm/shuffle.cc: New.
3914
3915 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
3916
3917         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
3918         different size_t mangling on 32-bit targets.
3919
3920         PR libstdc++/86280
3921         * include/experimental/memory_resource
3922         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
3923         enough for result of left shift.
3924
3925         PR libstdc++/86138
3926         * include/bits/basic_string.tcc:
3927         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
3928         (basic_string<char>::_Rep::_S_empty_rep_storage)
3929         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
3930         instantiation declarations.
3931         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
3932         explicit instantiation declarations.
3933         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
3934         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
3935
3936 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
3937
3938         PR libstdc++/83328
3939         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
3940         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
3941         * configure: Regenerate.
3942         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
3943         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
3944         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
3945         (basic_string::insert(iterator, initializer_list<C>)): Suppress
3946         definition.
3947         * include/debug/string (basic_string::insert(iterator, C)): Change
3948         first parameter to const_iterator.
3949         (basic_string::insert(iterator, size_type, C)): Likewise. Change
3950         return type to iterator.
3951         (basic_string::insert(iterator, InputIterator, InputIterator)):
3952         Likewise.
3953         (basic_string::insert(iterator, initializer_list<C>)): Change first
3954         parameter to const_iterator and return type to iterator.
3955         * src/c++11/string-inst.cc: Extend comment.
3956         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
3957         New.
3958         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
3959         New.
3960         * testsuite/util/testsuite_abi.cc: Add new symbol version.
3961
3962         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
3963
3964         PR libstdc++/70940
3965         * include/experimental/memory_resource
3966         (__resource_adaptor_imp::do_deallocate): Add missing return.
3967         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
3968         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3969         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
3970         __gnu_cxx::malloc_allocator.
3971
3972         PR libstdc++/70940
3973         * include/experimental/memory_resource (__resource_adaptor_common):
3974         New base class.
3975         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
3976         pointer from unaligned, and vice versa.
3977         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
3978         allocated pointer to meet alignment request.
3979         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
3980         original pointer for deallocation.
3981         (__resource_adaptor_imp::do_is_equal): Reformat.
3982         (__resource_adaptor_imp::_S_aligned_size): Remove.
3983         (__resource_adaptor_imp::_S_supported): Remove.
3984         (new_delete_resource): Use __gnu_cxx::new_allocator.
3985         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
3986         extended alignments and use debug_allocator to check for matching
3987         allocate/deallocate pairs.
3988
3989 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
3990
3991         * include/debug/safe_iterator.h
3992         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
3993         Compare __x base iterator with a value-initialized iterator of the
3994         same type.
3995
3996 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
3997
3998         PR libstdc++/70966
3999         * include/experimental/memory_resource (__resource_adaptor_imp): Add
4000         static assertions to enforce requirements on pointer types.
4001         (__resource_adaptor_imp::get_allocator()): Add noexcept.
4002         (new_delete_resource, null_memory_resource): Return address of an
4003         object with dynamic storage duration.
4004         (__null_memory_resource): Remove.
4005         * testsuite/experimental/memory_resource/70966.cc: New.
4006
4007         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
4008         missed from recent commit.
4009
4010 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
4011
4012         * include/std/utility: Remove unused <exception> header.
4013
4014 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
4015
4016         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
4017         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
4018         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
4019         a specialization of std::pair.
4020         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
4021         pair elements are constructed correctly.
4022
4023         LWG 2989 hide path iostream operators from normal lookup
4024         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
4025         friends.
4026         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
4027
4028         LWG 3050 Fix cv-qualification of convertibility constraints
4029         * include/std/chrono (duration, operator*, operator/, operator%): Use
4030         const-qualified type as source type in is_convertible constraints.
4031         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
4032         * testsuite/20_util/duration/cons/dr3050.cc: New.
4033         * testsuite/20_util/duration/literals/range.cc: Rename to...
4034         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
4035         dg-error lineno.
4036
4037 2018-06-18  Maya Rashish  <coypu@sdf.org>
4038
4039         * crossconfig.m4: Handle OpenBSD just like NetBSD.
4040         * configure: Rebuilt.
4041
4042 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
4043
4044         P0754R2 <version> header
4045         * include/Makefile.am: Add new header.
4046         * include/Makefile.in: Regenerate.
4047         * include/bits/c++config: Change doxygen comment to suggest <version>
4048         instead of <iosfwd>.
4049         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
4050         unconditionally.  Add C++17 and C++20 headers.
4051         * include/std/version: New header.
4052         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
4053         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
4054         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
4055         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
4056         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
4057         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
4058         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
4059         New.
4060         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
4061         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
4062         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
4063         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
4064         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
4065         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
4066         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
4067         New.
4068         * testsuite/18_support/headers/version/macros.cc: New.
4069         * testsuite/18_support/headers/version/macros.cc: New.
4070
4071         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
4072         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
4073         symlink.
4074         * config.h.in: Regenerate.
4075         * configure: Regenerate.
4076         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
4077
4078         LWG 3035. std::allocator's constructors should be constexpr
4079         * include/bits/allocator.h (allocator): Add constexpr to constructors
4080         for C++2a. Replace dynamic exception specifications with NOTHROW
4081         macro.
4082         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
4083         NOTHROW.
4084         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
4085         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
4086         to constructors for C++2a.
4087         * include/ext/new_allocator.h (new_allocator): Likewise.
4088
4089 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
4090
4091         LWG 3076 basic_string CTAD ambiguity
4092         * doc/xml/manual/intro.xml: Document LWG 3076 change.
4093         * include/bits/basic_string.h
4094         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
4095         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
4096         template constrained by _RequireAllocator.
4097         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
4098         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
4099         Define.
4100         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
4101         deduction
4102         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
4103         Likewise.
4104
4105 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
4106
4107         PR libstdc++/86169
4108         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
4109         (basic_string::data()): Unshare string.
4110         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
4111         New.
4112
4113         * include/std/string_view (basic_string_view(const CharT*)): Remove
4114         check for null pointer and add nonnull attribute.
4115         (compare(const CharT*), compare(size_type, size_type, const CharT*))
4116         (find(const CharT*, size_type), rfind(const CharT*, size_type))
4117         (find_first_of(const CharT*, size_type))
4118         (find_last_of(const CharT*, size_type))
4119         (find_first_not_of(const CharT*, size_type))
4120         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
4121         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
4122         * testsuite/21_strings/basic_string_view/operations/compare/char/
4123         nonnull.cc: New.
4124         * testsuite/21_strings/basic_string_view/operations/find/char/
4125         nonnull.cc: New.
4126         * testsuite/21_strings/basic_string_view/operations/rfind/char/
4127         nonnull.cc: New.
4128
4129         PR libstdc++/86168
4130         * include/bits/random.h (random_device(const string&)): Remove
4131         default argument.
4132
4133         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
4134         define for C++17 and above.
4135
4136         LWG 2993 reference_wrapper<T> conversion from T&&
4137         * doc/xml/manual/intro.xml: Document LWG 2993 change.
4138         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
4139         (reference_wrapper(_Tp&&)): Remove.
4140         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
4141         template.
4142         (reference_wrapper): Add deduction guide.
4143         * testsuite/20_util/reference_wrapper/deduction.cc: New.
4144         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
4145
4146         LWG 3039 Unnecessary decay in thread and packaged_task
4147         * include/std/future (__constrain_pkgdtask): Replace with ...
4148         (packaged_task::__not_same): New alias template, using
4149         __remove_cvref_t instead of decay.
4150         * include/std/thread (thread::__not_same): Add comment.
4151
4152 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
4153
4154         LWG 3075 basic_string needs deduction guides from basic_string_view
4155         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
4156         deduction from string views.
4157         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
4158         Likewise.
4159
4160         LWG 3074 make scalar types non-deduced in valarray non-member functions
4161         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
4162         scalar parameters to be a non-deduced context.
4163         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
4164         whitespace.
4165         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
4166         * testsuite/26_numerics/valarray/transcend.cc: New.
4167
4168         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
4169         Move back to <utility>.
4170         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
4171         Restore to here.
4172
4173         P0935R0 Eradicating unnecessarily explicit default constructors
4174         * include/backward/strstream (strstreambuf): Add non-explicit default
4175         constructor.
4176         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
4177         Likewise.
4178         * include/bits/regex.h (match_results): Likewise.
4179         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
4180         default constructor.
4181         * testsuite/22_locale/conversions/string/1.cc: Likewise.
4182         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
4183         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
4184
4185         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
4186         macro from <utility> and change type to long.
4187         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
4188         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
4189         macro.
4190
4191         P0935R0 Eradicating unnecessarily explicit default constructors
4192         * include/bits/random.h (uniform_real_distribution::param_type)
4193         (normal_distribution::param_type, lognormal_distribution::param_type)
4194         (gamma_distribution::param_type, chi_squared_distribution::param_type)
4195         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
4196         (student_t_distribution::param_type)
4197         (bernoulli_distribution::param_type)
4198         (binomial_distribution::param_type)
4199         (geometric_distribution::param_type)
4200         (negative_binomial_distribution::param_type)
4201         (poisson_distribution::param_type)
4202         (exponential_distribution::param_type)
4203         (weibull_distribution::param_type)
4204         (extreme_value_distribution::param_type): Add non-explicit default
4205         constructors. Remove default argument for first parameter of explicit
4206         constructors.
4207         * include/bits/uniform_int_dist.h
4208         (uniform_int_distribution::param_type): Likewise.
4209         * include/ext/random
4210         (beta_distribution::param_type, rice_distribution::param_type)
4211         (nakagami_distribution::param_type, pareto_distribution::param_type)
4212         (k_distribution::param_type, arcsine_distribution::param_type)
4213         (hoyt_distribution::param_type, triangular_distribution::param_type)
4214         (von_mises_distribution::param_type)
4215         (hypergeometric_distribution::param_type)
4216         (logistic_distribution::param_type)
4217         (uniform_inside_sphere_distribution::param_type): Likewise.
4218         (uniform_on_sphere_distribution::param_type): Make default constructor
4219         non-explicit.
4220         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
4221         Test param_type for non-explicit default constructor.
4222         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
4223         Likewise.
4224         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
4225         Likewise.
4226         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
4227         Likewise.
4228         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
4229         Likewise.
4230         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
4231         Likewise.
4232         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
4233         Likewise.
4234         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
4235         Likewise.
4236         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
4237         Likewise.
4238         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
4239         Likewise.
4240         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
4241         Likewise.
4242         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
4243         Likewise.
4244         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
4245         Likewise.
4246         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
4247         Likewise.
4248         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
4249         Likewise.
4250         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
4251         Likewise.
4252         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
4253         Likewise.
4254         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
4255         Likewise.
4256         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
4257         Likewise.
4258         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
4259         Likewise.
4260         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
4261         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
4262         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
4263         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
4264         Likewise.
4265         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
4266         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
4267         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
4268         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
4269         Likewise.
4270         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
4271         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
4272         * testsuite/ext/random/triangular_distribution/cons/default.cc:
4273         Likewise.
4274         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
4275         Likewise.
4276         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
4277         Likewise.
4278         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
4279         Likewise.
4280
4281 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
4282             Jonathan Wakely  <jwakely@redhat.com>
4283
4284         PR libstdc++/83982
4285         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
4286         Default-construct new elements before moving existing ones.
4287         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
4288         New.
4289
4290 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
4291
4292         PR libstdc++/86127
4293         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
4294         unused typedef.
4295         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
4296         Use node allocator to create and destroy elements.
4297         (forward_list::_Tp_alloc_type): Remove unused typedef.
4298         (forward_list::_Alloc_traits): Use allocator_traits instead of
4299         __gnu_cxx::__alloc_traits.
4300
4301 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
4302
4303         * include/debug/helper_functions.h
4304         (__gnu_debug::_Safe_iterator<>): Add declaration.
4305         (__can_advance(_Ite, _Size)): New.
4306         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
4307         * include/debug/functions.h
4308         (__gnu_debug::_Safe_iterator<>): Remove declaration.
4309         * include/debug/stl_iterator.h
4310         (__can_advance(const _Safe_iterator<>&)): New definition.
4311         * include/debug/stl_iterator.h
4312         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
4313         (__can_advance(const std::move_iterator<>&, _Size)): New.
4314         * include/debug/macros.h (__glibcxx_check_can_increment): New.
4315         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
4316         * include/bits/stl_algobase.h (fill_n): Use latter.
4317         * testsuite/25_algorithms/fill_n/2.cc: New.
4318         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
4319         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
4320         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
4321         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
4322
4323         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
4324         (__glibcxx_requires_can_decrement_range): New.
4325
4326 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
4327
4328         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
4329         (__glibcxx_check_can_decrement_range): New.
4330         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
4331         __glibcxx_requires_can_increment_range.
4332         (std::move(_II, _II, _OI)): Likewise.
4333         (std::copy_backward(_BI, _BI, _BI2)): Use
4334         __glibcxx_requires_can_decrement_range.
4335         (std::move_backward(_BI, _BI, _BI2)): Likewise.
4336         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
4337         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
4338         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
4339         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
4340         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
4341         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
4342
4343 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
4344
4345         P0935R0 Eradicating unnecessarily explicit default constructors
4346         * include/bits/random.h (linear_congruential_engine)
4347         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
4348         (uniform_real_distribution, normal_distribution)
4349         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
4350         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
4351         (bernoulli_distribution, binomial_distribution,geometric_distribution)
4352         (negative_binomial_distribution, exponential_distribution)
4353         (weibull_distribution, extreme_value_distribution): Add non-explicit
4354         default constructors. Remove default argument for first parameter of
4355         explicit constructors.
4356         (piecewise_constant_distribution, piecewise_linear_distribution):
4357         Make default constructor non-explicit.
4358         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
4359         non-explicit default constructors. Remove default argument for first
4360         parameter of explicit constructor.
4361         * include/ext/random
4362         (simd_fast_mersenne_twister_engine, beta_distribution)
4363         (rice_distribution, nakagami_distribution, pareto_distribution)
4364         (k_distribution, arcsine_distribution, hoyt_distribution)
4365         (triangular_distribution, von_mises_distribution)
4366         (hypergeometric_distribution, logistic_distribution)
4367         (uniform_inside_sphere_distribution): Likewise.
4368         (uniform_on_sphere_distribution): Make default constructor
4369         non-explicit.
4370         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
4371         Test for non-explicit default constructor. Fix references to standard.
4372         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
4373         Likewise.
4374         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
4375         Likewise.
4376         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
4377         Likewise.
4378         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
4379         Likewise.
4380         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
4381         Likewise.
4382         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
4383         Likewise.
4384         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
4385         Likewise.
4386         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
4387         Likewise.
4388         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
4389         Likewise.
4390         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
4391         Likewise.
4392         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
4393         Likewise.
4394         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
4395         Likewise.
4396         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
4397         Likewise.
4398         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
4399         Likewise.
4400         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
4401         Likewise.
4402         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
4403         Likewise.
4404         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
4405         Likewise.
4406         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
4407         Likewise.
4408         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
4409         Likewise.
4410         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
4411         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
4412         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
4413         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
4414         Likewise.
4415         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
4416         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
4417         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
4418         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
4419         Likewise.
4420         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
4421         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
4422         * testsuite/ext/random/triangular_distribution/cons/default.cc:
4423         Likewise.
4424         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
4425         Likewise.
4426         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
4427         Likewise.
4428         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
4429         Likewise.
4430         * testsuite/util/testsuite_common_types.h
4431         (implicitly_default_constructible): New helper.
4432
4433 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
4434
4435         * include/bits/ios_base.h (ios::Init::Init(const Init&))
4436         (ios::Init::operator=): Define as defaulted.
4437         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
4438         Likewise.
4439         * include/bits/stream_iterator.h (istream_iterator::operator=)
4440         (ostream_iterator::operator=): Likewise.
4441         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
4442         Likewise.
4443         * include/std/bitset (bitset::reference::reference(const reference&)):
4444         Likewise.
4445         * include/std/complex (complex<float>::complex(const complex&))
4446         (complex<double>::complex(const complex&))
4447         (complex<long double>::complex(const complex&)): Likewise.
4448
4449 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
4450
4451         * include/bits/regex.h (sub_match): Add noexcept to default
4452         constructor and length observer.
4453         (match_results): Add noexcept to default constructor and observers
4454         with no preconditions. Define destructor as defaulted.
4455         (operator==, operator!=, swap): Add noexcept.
4456         (regex_iterator): Add default member initializers and define default
4457         constructor and destructor as defaulted. Add noexcept to equality
4458         and dereference operators.
4459
4460 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
4461
4462         * src/c++11/debug.cc
4463         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
4464         (_Safe_iterator_base::_M_detach_single()): Likewise.
4465         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
4466         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
4467
4468 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
4469
4470         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
4471         move of const value.
4472
4473 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
4474
4475         PR c++/86068
4476         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
4477         rather than __cpp_transactional_memory >= 201505L.
4478
4479 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
4480
4481         PR libstdc++/86008
4482         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
4483         Define new partial specialization.
4484         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
4485         new overload.
4486         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
4487         value not reference for iteration.
4488         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
4489         comment.
4490         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
4491         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
4492         comment.
4493
4494 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
4495
4496         * include/std/type_traits: Fix comment typos.
4497
4498         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
4499         mingw* targets.
4500         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
4501         * testsuite/experimental/filesystem/operations/read_symlink.cc:
4502         Likewise.
4503
4504 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
4505
4506         * include/bits/stl_tempbuf.h
4507         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
4508         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
4509         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
4510         * include/bits/stl_algo.h (__stable_partition): Adapt.
4511         (__inplace_merge): Adapt.
4512         (__stable_sort): Adapt.
4513
4514 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
4515
4516         PR libstdc++/85930
4517         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
4518         unconditionally. Remove redundant declaration.
4519         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
4520         alignment-specifier.
4521
4522         * include/bits/postypes.h (fpos): Define special members as defaulted.
4523
4524         PR libstdc++/85930
4525         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
4526         the static variable correctly.
4527
4528 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
4529
4530         PR libstdc++/78870 support std::filesystem on Windows
4531         * config.h.in: Regenerate.
4532         * configure: Regenerate.
4533         * configure.ac: Check for link, readlink and symlink.
4534         * include/bits/fs_path.h (path::operator/=(const path&)): Move
4535         definition out of class body.
4536         (path::is_absolute(), path::_M_append(path)): Likewise.
4537         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
4538         (operator>>(basic_istream, path&)): Likewise.
4539         (u8path): Reorder definitions and fix Windows implementation.
4540         (path::is_absolute()): Define inline and fix for Windows.
4541         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
4542         Define POSIX version inline.
4543         (path::_M_append(path)): Define inline.
4544         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
4545         definition out of class body.
4546         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
4547         escape characters.
4548         (operator>>(basic_istream, path&)): Likewise.
4549         (path::is_absolute()): Define inline and fix for Windows.
4550         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
4551         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
4552         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
4553         Define as adaptors for Windows functions/types or as
4554         using-declarations for POSIX functions/types.
4555         (_Dir_base, get_file_type): Qualify names to use declarations from
4556         __gnu_posix namespace.
4557         (_Dir_base::is_dor_or_dotdot): New helper functions.
4558         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
4559         names to use declarations from __gnu_posix namespace.
4560         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
4561         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
4562         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
4563         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
4564         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
4565         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
4566         Define as adaptors for Windows functions/types or as
4567         using-declarations for POSIX functions/types.
4568         (stat_type, do_copy_file): Qualify names to use declarations from
4569         __gnu_posix namespace.
4570         (do_space): Declare new function.
4571         (make_file_type): Only use S_ISLNK if defined.
4572         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
4573         path::value_type not char.
4574         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
4575         names to use declarations from __gnu_posix namespace.
4576         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
4577         add implementation for Windows.
4578         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
4579         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
4580         [!_PC_PATH_MAX]: Don't use pathconf.
4581         [PATH_MAX]: Use if defined.
4582         (filesystem::current_path(const path&, error_code&))
4583         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
4584         (filesystem::last_write_time, filesystem::permissions): Use names
4585         from __gnu_posix.
4586         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
4587         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
4588         implementation for Windows.
4589         (filesystem::rename, filesystem::resize_file): Use names from
4590         __gnu_posix.
4591         (filesystem::space): Use do_space.
4592         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
4593         (filesystem::status, filesystem::symlink_status): Use names from
4594         __gnu_posix.
4595         (filesystem::temp_directory_path): Add implementation for Windows.
4596         * src/filesystem/path.cc (dot): Define constant.
4597         (path::replace_extension): Use dot.
4598         (path::_M_find_extension): Likewise. Use path::string_type not
4599         std::string.
4600         (path::_M_split_cmpts): Use dot.
4601         (filesystem_error::_M_get_what): Use u8string() not native().
4602         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
4603         Qualify names to use declarations from __gnu_posix namespace.
4604         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
4605         correct error_code.
4606         (filesystem::absolute(const path&, error_code&)): Add implementation
4607         for Windows.
4608         (char_ptr, filesystem::canonical): Use path::value_type not char.
4609         (do_copy_file): Use names from __gnu_posix.
4610         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
4611         sendfile.
4612         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
4613         names to use declarations from __gnu_posix namespace.
4614         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
4615         add implementation for Windows.
4616         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
4617         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
4618         [!_PC_PATH_MAX]: Don't use pathconf.
4619         [PATH_MAX]: Use if defined.
4620         (filesystem::current_path(const path&, error_code&))
4621         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
4622         (filesystem::last_write_time, filesystem::permissions): Use names
4623         from __gnu_posix.
4624         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
4625         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
4626         implementation for Windows.
4627         (filesystem::rename, filesystem::resize_file): Use names from
4628         __gnu_posix.
4629         (do_space): Define.
4630         (filesystem::space): Use do_space.
4631         (filesystem::status, filesystem::symlink_status): Use names from
4632         __gnu_posix.
4633         (filesystem::temp_directory_path): Add implementation for Windows.
4634         * src/filesystem/std-path.cc
4635         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
4636         Define for Windows.
4637         (dot): Define constant.
4638         (path::replace_extension, is_dot): Use dot.
4639         (path::lexically_normal): Check _M_type instead of calling
4640         non-existent function.
4641         (path::_M_find_extension): Use dot. Use path::string_type not
4642         std::string.
4643         (path::_M_split_cmpts): Use dot.
4644         (filesystem_error::_M_get_what): Use u8string() not native().
4645         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
4646         use symlinks.
4647         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
4648         Likewise.
4649         * testsuite/27_io/filesystem/operations/absolute.cc: Use
4650         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
4651         * testsuite/27_io/filesystem/operations/canonical.cc: Use
4652         path::string() to get narrow string, not path::native().
4653         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
4654         with std::filesystem::path not std::basic_string.
4655         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
4656         * testsuite/27_io/filesystem/operations/exists.cc: Use
4657         __gnu_test::root_path() instead of "/".
4658         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
4659         fstreams with std::filesystem::path not std::basic_string.
4660         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
4661         path::string() to get narrow string.
4662         * testsuite/27_io/filesystem/operations/space.cc: Check results for
4663         errors, expect sensible values otherwise.
4664         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
4665         helpers for adjusting the environment on Windows.
4666         * testsuite/27_io/filesystem/path/append/path.cc: Test
4667         Windows-specific behaviour.
4668         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
4669         of path::string_type objects.
4670         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
4671         string to wide string on Windows.
4672         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
4673         for backslash as root-directory.
4674         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
4675         path::string() to get narrow string.
4676         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
4677         paths.
4678         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
4679         not std::string.
4680         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
4681         different definintion of absolute paths on Windows.
4682         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
4683         Do not use symlinks.
4684         * testsuite/experimental/filesystem/operations/absolute.cc: Test
4685         Windows behaviour.
4686         * testsuite/experimental/filesystem/operations/copy.cc: Construct
4687         fstreams with NTCTS not std::basic_string.
4688         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
4689         * testsuite/experimental/filesystem/operations/exists.cc: Use
4690         __gnu_test::root_path() instead of "/".
4691         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
4692         fstreams with NTCTS not std::basic_string.
4693         * testsuite/experimental/filesystem/operations/last_write_time.cc:
4694         Use path::string() to get narrow string.
4695         * testsuite/experimental/filesystem/operations/space.cc: Use
4696         __gnu_test::root_path() instead of "/".
4697         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
4698         Add helpers for adjusting the environment on Windows.
4699         * testsuite/experimental/filesystem/path/append/path.cc: Use
4700         path::string() to get narrow strings for comparisons.
4701         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
4702         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
4703         Likewise.
4704         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
4705         * testsuite/experimental/filesystem/path/native/string.cc: Use
4706         string_type not std::string.
4707         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
4708         Adjust for different definintion of absolute paths on Windows.
4709         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
4710         function.
4711         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
4712         std::basic_string.
4713
4714 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
4715
4716         PR libstdc++/85951
4717         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
4718         uint_least16_t and uint_least32_t.
4719         (__make_unsigned<wchar_t>): Define unconditionally.
4720         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
4721         typedefs.
4722         (__make_unsigned_selector_base): New type to provide helper templates.
4723         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
4724         __make_unsigned_selector_base helpers.
4725         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
4726         (__make_signed_selector<_Tp, true, false>): Remove intermediate
4727         typedefs.
4728         (__make_signed<wchar_t>, __make_signed<char16_t>)
4729         (__make_signed<char32_t>)): Define unconditionally.
4730         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
4731         wchar_t, char16_t and char32_t are transformed correctly.
4732         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
4733         dg-error lineno.
4734         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
4735         wchar_t, char16_t and char32_t are transformed correctly.
4736         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
4737         dg-error lineno.
4738
4739 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
4740
4741         * include/std/variant (__erased_dtor): Qualify call to __get.
4742
4743 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
4744
4745         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
4746         (_Rb_tree(const allocator_type&)): Use latter.
4747         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
4748         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
4749         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4750         * include/bits/stl_multimap.h
4751         (multimap(const allocator_type&)): Likewise.
4752         (multimap(initializer_list<value_type>, const allocator_type&)):
4753         Likewise.
4754         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
4755         Likewise.
4756         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
4757         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
4758         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
4759         * include/bits/stl_multiset.h
4760         (multiset(const allocator_type&)): Likewise.
4761         (multiset(initializer_list<value_type>, const allocator_type&)):
4762         Likewise.
4763         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
4764         Likewise.
4765
4766 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
4767
4768         PR libstdc++/85768
4769         * src/c++11/debug.cc: Remove backtrace usage.
4770
4771 2018-05-24  Maya Rashish  <coypu@sdf.org>
4772
4773         PR target/85904
4774         * crossconfig.m4: Test for aligned_alloc on netbsd.
4775         * configure: Regenerate.
4776
4777 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
4778
4779         PR libstdc++/69769
4780         PR libstdc++/85886
4781         * include/bits/atomic_base.h (__atomic_base::value_type)
4782         (__atomic_base::difference_type): Add new typedefs.
4783         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
4784         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
4785         (atomic<T*>::operator++, atomic<T*>::operator--)
4786         (atomic<T*>::operator+=, atomic<T*>::operator-=)
4787         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
4788         to enforce C++17 requirement on pointer arithmetic.
4789         (__atomic_val_t, __atomic_diff_t): New alias templates.
4790         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
4791         (atomic_compare_exchange_weak_explicit)
4792         (atomic_compare_exchange_strong_explicit, atomic_store)
4793         (atomic_exchange, atomic_compare_exchange_weak)
4794         (atomic_compare_exchange_strong): Use __atomic_val_t to make
4795         scalar parameters be non-deduced contexts.
4796         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4797         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
4798         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
4799         parameters.
4800         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
4801         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
4802         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
4803         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
4804         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
4805         address types.
4806         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
4807         * testsuite/29_atomics/atomic/69769.cc: New test.
4808         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
4809         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
4810         Disable test for C++17 and later.
4811         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
4812         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
4813         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
4814         test.
4815
4816 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
4817
4818         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
4819         template to alias template.
4820         (path::__value_type_is_char): Use remove_const_t.
4821         (path:_S_string_from_iter): New helper function.
4822         (path::_S_convert(InputIter, __null_terminated))
4823         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4824         Use _S_string_from_iter.
4825         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
4826         rep for COW strings.
4827         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
4828         Change from class template to alias template.
4829         (path::__value_type_is_char): Use remove_const.
4830         (path:_S_string_from_iter): New helper function.
4831         (path::_S_convert(InputIter, __null_terminated))
4832         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
4833         Use _S_string_from_iter.
4834         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
4835         wide strings.
4836         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
4837         string equality, not path equivalence.
4838         * testsuite/27_io/filesystem/path/construct/format.cc: Check
4839         construction from std::string and std::wstring and input iterators.
4840         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
4841         construction from iterators.
4842         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
4843         exact string equality, not path equivalence.
4844         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
4845         construction from iterators.
4846
4847         * include/bits/fs_path.h (path::_M_type): Change default member
4848         initializer to _Filename.
4849         (path::begin): Create past-the-end iterator for empty path.
4850         * src/filesystem/std-path.cc (path::remove_filename()): Remove
4851         debugging check.
4852         (path::has_relative_path()): Return false for empty filenames.
4853         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
4854         Fix offset of empty final component.
4855         * testsuite/27_io/filesystem/path/itr/components.cc: New.
4856         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
4857
4858 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4859
4860         Add support for opening file streams from wide character strings.
4861         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
4862         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4863         Define new overload.
4864         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
4865         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
4866         Declare new overload.
4867         * configure.ac: Check for _wfopen.
4868         * crossconfig.m4: Likewise.
4869         * configure: Regenerate.
4870         * config.h.in: Regenerate.
4871         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
4872         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4873         Define new overload.
4874         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
4875         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
4876         Declare new overload.
4877         [_GLIBCXX_HAVE__WFOPEN]
4878         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4879         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
4880         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4881         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
4882         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
4883         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
4884         new overloads.
4885         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
4886         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
4887         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
4888         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
4889         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
4890         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
4891         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
4892
4893 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
4894
4895         PR libstdc++/85845
4896         * include/bits/stl_tree.h
4897         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
4898         qualification.
4899
4900 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
4901
4902         * src/filesystem/std-ops.cc (absolute): Report an error for empty
4903         paths.
4904         (weakly_canonical(const path&)): Do not call canonical on empty path.
4905         (weakly_canonical(const path&, error_code&)): Likewise.
4906         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
4907
4908         PR libstdc++/85818
4909         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
4910         dg-require-filesystem-ts.
4911
4912         PR libstdc++/85843
4913         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
4914         initialize base class to avoid warnings.
4915
4916 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
4917
4918         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
4919         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
4920         little_endian element in bitmask.
4921         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
4922         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
4923
4924 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
4925
4926         * include/bits/stl_tree.h
4927         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
4928         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
4929         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
4930         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
4931         * include/debug/map.h
4932         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
4933         * include/debug/multimap.h
4934         (multimap(multimap&&, const_allocator_type&)): Likewise.
4935         * include/debug/set.h
4936         (set(set&&, const_allocator_type&)): Likewise.
4937         * include/debug/multiset.h
4938         (multiset(multiset&&, const_allocator_type&)): Likewise.
4939         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
4940         Add checks.
4941         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
4942         Add checks.
4943         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
4944         Add checks.
4945         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
4946         Add checks.
4947         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
4948         Add checks.
4949         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
4950         Add checks.
4951         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
4952         Add checks.
4953         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
4954         Add checks.
4955
4956 2018-05-18  Jason Merrill  <jason@redhat.com>
4957
4958         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
4959         for conversion to const_iterator.  Add defaulted copy ops.
4960         * libsupc++/new (bad_alloc): Add defaulted copy ops.
4961         * libsupc++/exception.h (exception): Add defaulted copy ops.
4962         * include/std/system_error (system_error): Add defaulted copy ops.
4963         * include/std/stdexcept (domain_error, invalid_argument)
4964         (length_error, out_of_range, range_error, overflow_error)
4965         (underflow_error): Add defaulted copy ops.
4966         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
4967         copy assignment.
4968         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
4969         * include/ext/throw_allocator.h (condition_base): Add defaulted
4970         default and copy ctor and copy assignment.
4971
4972 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
4973
4974         PR libstdc++/85098
4975         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
4976         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
4977         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
4978         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
4979         definitions.
4980         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
4981         whitespace.
4982         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
4983         braces around body of do-while.
4984         * testsuite/28_regex/basic_regex/85098.cc: New
4985
4986 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
4987
4988         PR libstdc++/85818
4989         * src/filesystem/path.cc (path::preferred_separator): Add used
4990         attribute.
4991         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
4992
4993         PR libstdc++/85812
4994         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
4995         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
4996         Refactor to separate non-throwing and throwing implementations.
4997         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
4998         if constructing the object throws.
4999
5000 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
5001
5002         PR libstdc++/85749
5003         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
5004         (linear_congruential_engine, mersenne_twister_engine)
5005         (subtract_with_carry_engine, discard_block_engine)
5006         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
5007         constrain function templates taking seed sequences.
5008         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
5009         (mersenne_twister_engine::seed(_Sseq&))
5010         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
5011         match declarations.
5012         * include/ext/random (simd_fast_mersenne_twister_engine): Use
5013         __is_seed_seq to constrain function templates taking seed sequences.
5014         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
5015         Change return type to match declaration.
5016         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
5017         New.
5018         * testsuite/26_numerics/random/independent_bits_engine/cons/
5019         seed_seq2.cc: New.
5020         * testsuite/26_numerics/random/linear_congruential_engine/cons/
5021         seed_seq2.cc: New.
5022         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
5023         seed_seq2.cc: New.
5024         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
5025         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
5026         New.
5027         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
5028         seed_seq2.cc: New.
5029         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
5030         seed_seq2.cc: New.
5031
5032         PR libstdc++/83891
5033         * include/bits/fs_path.h (path::is_absolute()): Use same definition
5034         for all operating systems.
5035         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
5036         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
5037         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
5038         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
5039
5040         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
5041         unused <vector> header.
5042         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
5043         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
5044         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
5045         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
5046         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
5047         Likewise.
5048         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
5049         Likewise.
5050         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
5051         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
5052         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
5053         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
5054         * testsuite/experimental/filesystem/path/decompose/extension.cc:
5055         Likewise.
5056         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
5057         * testsuite/experimental/filesystem/path/query/has_extension.cc:
5058         Likewise.
5059         * testsuite/experimental/filesystem/path/query/has_filename.cc:
5060         Likewise.
5061         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
5062         Likewise.
5063         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
5064         Likewise.
5065         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
5066         Likewise.
5067         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
5068         Likewise.
5069         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
5070         Likewise.
5071         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
5072         * testsuite/experimental/filesystem/path/query/is_relative.cc:
5073         Likewise.
5074
5075         PR libstdc++/84159
5076         * include/bits/fs_path.h (path::operator/=, path::append): Construct
5077         temporary path before calling _M_append.
5078         (path::_M_append): Change parameter to path and implement C++17
5079         semantics.
5080         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
5081         and more examples from the standard.
5082         * testsuite/27_io/filesystem/path/append/source.cc: New.
5083         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
5084         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
5085
5086         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
5087         __invoke to prevent ADL.
5088
5089 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
5090
5091         PR libstdc++/81256
5092         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
5093         exceptions from _M_terminate_output().
5094         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
5095         exceptions from close().
5096         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
5097
5098         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
5099         (__valarray_get_storage): Call operator new directly. Remove ignored
5100         top-level restrict qualifier and add malloc attribute instead.
5101         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
5102
5103         PR libstdc++/67554
5104         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
5105         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
5106
5107         PR libstdc++/82966
5108         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
5109         instead of type.
5110         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
5111
5112 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
5113
5114         PR libstdc++/80165
5115         * testsuite/20_util/variant/80165.cc: New.
5116
5117 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
5118
5119         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
5120         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
5121         of C++11 containers with Debug Mode support.
5122         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
5123         * doc/html/*: Regenerate.
5124
5125 2018-05-10  Jason Merrill  <jason@redhat.com>
5126
5127         * include/bits/regex_compiler.h (_S_cache_size): Change from
5128         function to variable.
5129
5130 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
5131
5132         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
5133         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
5134         argument defaulted to +1.  Doxy comments on same.
5135         * testsuite/special_functions/02_assoc_legendre/
5136         check_value.cc: Regen.
5137         * testsuite/tr1/5_numerical_facilities/special_functions/
5138         02_assoc_legendre/check_value.cc: Regen.
5139
5140 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
5141
5142         PR libstdc++/85729
5143         * include/bits/c++config.h (__replacement_assert): Add linkage
5144         specification.
5145         * include/bits/std_abs.h: Add comment to closing brace of block.
5146         * include/c_global/cstddef: Add linkage specification.
5147         * include/c_global/cstring: Likewise.
5148         * include/c_global/cwchar: Likewise.
5149
5150 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
5151
5152         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
5153         Rename in...
5154         (_Safe_iterator<>::_S_constant()): ...that.
5155         * include/debug/safe_local_iterator.h
5156         (_Safe_local_iterator<>::_M_constant()): Rename in...
5157         (_Safe_local_iterator<>::_S_constant()): ...that.
5158         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
5159         (_Iterator_state::__rbegin): New.
5160         (_Iterator_state::__rmiddle): New.
5161         (_Iterator_state::__rend): New.
5162         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
5163         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
5164         iterator type.
5165         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
5166         _Is_iterator)): Likewise.
5167         (_Parameter::_S_reverse_state(_Iterator_state)): New.
5168         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
5169         _Is_iterator)): New.
5170         (_Parameter(std::reverse_iterator<> const&, const char*,
5171         _Is_iterator)): New.
5172         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
5173         const char*, _Is_iterator)): New.
5174         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
5175         New.
5176         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
5177         _Is_iterator)): New.
5178         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
5179         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
5180         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
5181
5182 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
5183
5184         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
5185         Use constexpr if in C++17 mode.
5186         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
5187         Copy from const object.
5188         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
5189
5190 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
5191
5192         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
5193         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
5194         backtrace.
5195
5196         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
5197         * include/debug/functions.h (__check_valid_range): Use latter.
5198         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
5199         use latter.
5200         * include/debug/deque
5201         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
5202         * include/debug/forward_list
5203         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
5204         Likewise.
5205         * include/debug/list
5206         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5207         * include/debug/list
5208         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5209         * include/debug/map.h
5210         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5211         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
5212         Likewise.
5213         * include/debug/multimap.h
5214         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5215         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
5216         const _Alloc&)): Likewise.
5217         * include/debug/set.h
5218         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5219         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
5220         Likewise.
5221         * include/debug/multiset.h
5222         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
5223         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
5224         const _Alloc&)): Likewise.
5225         * include/debug/string
5226         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
5227         Likewise.
5228         * include/debug/unordered_map
5229         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
5230         Likewise.
5231         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
5232         const _Alloc&)): Likewise.
5233         * include/debug/unordered_set
5234         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
5235         Likewise.
5236         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
5237         const _Alloc&)): Likewise.
5238         * include/debug/vector
5239         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
5240
5241         * include/debug/formatter.h (_Error_formatter::_M_function): New.
5242         (_Error_formatter(const char*, unsigned int)): Adapt.
5243         (_Error_formatter::_M_at): Rename in...
5244         (_Error_formatter::_S_at): ...that and adapt.
5245         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
5246         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
5247         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
5248         when available.
5249
5250 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
5251
5252         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
5253         Use normal std::vector even in Debug Mode.
5254
5255         PR libstdc++/85672
5256         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
5257         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
5258         * include/Makefile.in: Regenerate.
5259         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
5260         within conditional block.
5261
5262 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
5263
5264         * doc/xml/manual/using.xml (table.cmd_options): Document that the
5265         C++17 Filesystem implementation also needs -lstdc++fs.
5266
5267         PR libstdc++/85671
5268         * include/bits/fs_path.h (operator/): Permit copy elision.
5269         * include/experimental/bits/fs_path.h (operator/): Likewise.
5270
5271 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
5272
5273         Moar PR libstdc++/80506
5274         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
5275         Fix magic number used in loop condition.
5276
5277 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
5278
5279         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
5280         * include/std/optional (_Optional_payload): Add noexcept to default
5281         constructor. Re-indent.
5282         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
5283         constructor for copying disengaged payloads.
5284         (_Optional_payload<_Tp, true, false, true>): Likewise.
5285         (_Optional_payload<_Tp, true, true, false>): Likewise.
5286         (_Optional_payload<_Tp, true, false, false>): Likewise.
5287         * testsuite/20_util/optional/cons/85642.cc: New.
5288         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
5289
5290 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
5291
5292         PR libstdc++/82644
5293         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
5294         inline definitions instead of using-declarations.
5295         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
5296         * testsuite/tr1/5_numerical_facilities/special_functions/
5297         07_conf_hyperg/compile_cxx17.cc: New.
5298         * testsuite/tr1/5_numerical_facilities/special_functions/
5299         17_hyperg/compile_cxx17.cc: New.
5300
5301         PR libstdc++/84769
5302         * include/std/variant (visit): Qualify std::get call.
5303
5304         PR libstdc++/85632 use uintmax_t for arithmetic
5305         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
5306         arithmetic in result type.
5307         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
5308         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
5309         is greater than free space.
5310         * testsuite/experimental/filesystem/operations/space.cc: New.
5311
5312         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
5313         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
5314         New.
5315         * testsuite/20_util/remove_cvref/value.cc: New.
5316         * testsuite/20_util/remove_cvref/value_ext.cc: New.
5317
5318         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
5319         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
5320         (append(const basic_string&, size_type, size_type)
5321         (assign(const basic_string&, size_type, size_type)
5322         (insert(size_type, const basic_string&, size_type, size_type)
5323         (replace(size_type,size_type,const basic_string&,size_type,size_type)
5324         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
5325         Add default arguments (LWG 2268).
5326         [_GLIBCXX_USE_CXX11_ABI=0]
5327         (append(const basic_string&, size_type, size_type)
5328         (assign(const basic_string&, size_type, size_type)
5329         (insert(size_type, const basic_string&, size_type, size_type)
5330         (replace(size_type,size_type,const basic_string&,size_type,size_type)
5331         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
5332         Likewise.
5333         * testsuite/21_strings/basic_string/dr2268.cc: New test.
5334
5335         PR libstdc++/84535
5336         * include/std/thread (thread::__not_same): New SFINAE helper.
5337         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
5338         first argument is not a std::thread. Add static assertion to check
5339         INVOKE expression is valid.
5340         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
5341         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
5342         __invoke_result for return types and remove exception specifications.
5343         * testsuite/30_threads/thread/cons/84535.cc: New.
5344
5345         * include/std/future (__async_result_of): Use __invoke_result instead
5346         of result_of.
5347
5348         * include/std/any (any_cast): Use __remove_cvref_t.
5349         * include/std/tuple (__make_tuple): Likewise.
5350         * include/std/type_traits (__remove_cvref_t): Define.
5351         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
5352         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
5353         * include/std/variant (__erased_hash): Use __remove_cvref_t.
5354
5355 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
5356
5357         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
5358         ensure overloaded comma not used.
5359         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
5360         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
5361         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
5362         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
5363         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
5364         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
5365         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
5366
5367 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
5368
5369         PR libstdc++/68197
5370         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
5371         indices to unsigned.
5372         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
5373         as failure. Refactor error handling.
5374         * testsuite/27_io/ios_base/storage/68197.cc: New.
5375
5376         PR libstdc++/57997
5377         PR libstdc++/83860
5378         * include/bits/gslice_array.h (gslice_array): Define default
5379         constructor as deleted, as per C++11 standard.
5380         * include/bits/mask_array.h (mask_array): Likewise.
5381         * include/bits/slice_array.h (slice_array): Likewise.
5382         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
5383         to namespace __detail.
5384         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
5385         members.
5386         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
5387         of data members in closure objects.
5388         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
5389         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
5390         __detail.
5391         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
5392         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
5393         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
5394         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
5395         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
5396         using-declarations to namespace std.
5397         * testsuite/26_numerics/valarray/83860.cc: New.
5398
5399         * testsuite/backward/strstream_move.cc: Remove duplicate function
5400         call.
5401
5402         PR libstdc++/69608
5403         * include/backward/strstream (strstreambuf): Define move constructor
5404         and move assignment operator.
5405         (istrstream, ostrstream, strstream): Likewise.
5406         * testsuite/backward/strstream_move.cc: New.
5407
5408 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
5409
5410         PR libstdc++/84654
5411         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
5412         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
5413         * configure: Regenerate.
5414         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
5415         based on ENABLE_FLOAT128.
5416         * include/Makefile.in: Regenerate.
5417         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
5418         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
5419         _GLIBCXX_USE_FLOAT128.
5420
5421 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
5422
5423         * configure: Regenerated.
5424
5425 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
5426
5427         * configure: Regenerated.
5428
5429 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
5430             Jakub Jelinek  <jakub@redhat.com>
5431
5432         PR libstdc++/85442
5433         * src/c++11/Makefile.am: Don't generate debuginfo again for
5434         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
5435         * src/c++11/Makefile.in: Regenerate.
5436
5437 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
5438
5439         PR libstdc++/84442
5440         * testsuite/30_threads/thread/cons/terminate.cc
5441         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
5442
5443 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
5444
5445         PR jit/85384
5446         * configure: Regenerate.
5447
5448 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
5449
5450         * testsuite/experimental/filesystem/file_status/1.cc: Add
5451         -DUSE_FILESYSTEM_TS to dg-options.
5452         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
5453         Likewise.
5454         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
5455         * testsuite/experimental/filesystem/iterators/
5456         recursive_directory_iterator.cc: Likewise.
5457         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
5458         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
5459         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
5460         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
5461         * testsuite/experimental/filesystem/operations/create_directories.cc:
5462         Likewise.
5463         * testsuite/experimental/filesystem/operations/create_directory.cc:
5464         Likewise.
5465         * testsuite/experimental/filesystem/operations/create_symlink.cc:
5466         Likewise.
5467         * testsuite/experimental/filesystem/operations/current_path.cc:
5468         Likewise.
5469         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
5470         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
5471         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
5472         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
5473         * testsuite/experimental/filesystem/operations/last_write_time.cc:
5474         Likewise.
5475         * testsuite/experimental/filesystem/operations/permissions.cc:
5476         Likewise.
5477         * testsuite/experimental/filesystem/operations/read_symlink.cc:
5478         Likewise.
5479         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
5480         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
5481         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
5482         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
5483         Likewise.
5484         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
5485         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
5486         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
5487         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
5488         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
5489         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
5490         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
5491         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
5492         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
5493         * testsuite/experimental/filesystem/path/construct/default.cc:
5494         Likewise.
5495         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
5496         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
5497         * testsuite/experimental/filesystem/path/construct/string_view.cc:
5498         Likewise.
5499         * testsuite/experimental/filesystem/path/decompose/extension.cc:
5500         Likewise.
5501         * testsuite/experimental/filesystem/path/decompose/filename.cc:
5502         Likewise.
5503         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
5504         Likewise.
5505         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
5506         Likewise.
5507         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
5508         Likewise.
5509         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
5510         Likewise.
5511         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
5512         Likewise.
5513         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
5514         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
5515         Likewise.
5516         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
5517         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
5518         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
5519         Likewise.
5520         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
5521         Likewise.
5522         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
5523         Likewise.
5524         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
5525         Likewise.
5526         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
5527         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
5528         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
5529         Likewise.
5530         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
5531         * testsuite/experimental/filesystem/path/query/has_extension.cc:
5532         Likewise.
5533         * testsuite/experimental/filesystem/path/query/has_filename.cc:
5534         Likewise.
5535         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
5536         Likewise.
5537         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
5538         Likewise.
5539         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
5540         Likewise.
5541         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
5542         Likewise.
5543         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
5544         Likewise.
5545         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
5546         * testsuite/experimental/filesystem/path/query/is_relative.cc:
5547         Likewise.
5548
5549 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
5550
5551         * src/c++11/Makefile.am: Fix sed command.
5552         * src/c++11/Makefile.in: Regenerate.
5553
5554         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
5555         handle mangled names starting with double underscores on darwin.
5556         * src/c++11/Makefile.in: Regenerate.
5557
5558 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
5559
5560         * src/c++11/Makefile.am: Fix comment.
5561         * src/c++11/Makefile.in: Regenerate.
5562         * src/c++11/cxx11-ios_failure.cc: Fix comment.
5563         * src/c++98/ios_failure.cc: Likewise.
5564
5565         * src/c++11/ios.cc: Remove redundant macro definition.
5566
5567 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
5568
5569         * doc/xml/manual/abi.xml: Document header locations in recent
5570         releases.
5571         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
5572         * doc/xml/manual/spine.xml: Update copyright years.
5573         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
5574         undefined behaviour.
5575         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
5576         * doc/html/*: Regenerate.
5577
5578 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
5579
5580         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
5581         * doc/xml/manual/backwards_compatibility.xml: Likewise.
5582         * doc/xml/manual/containers.xml: Likewise.
5583         * doc/xml/manual/debug_mode.xml: Likewise.
5584         * doc/xml/manual/extensions.xml: Likewise.
5585         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
5586         * doc/xml/manual/using.xml: Likewise.
5587         * doc/xml/manual/utilities.xml: Likewise.
5588
5589         PR libstdc++/85222
5590         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
5591         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
5592         * src/c++11/Makefile.in: Regenerate.
5593         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
5594         New types.
5595         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
5596         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
5597         * src/c++98/ios_failure.cc (__construct_ios_failure)
5598         (__destroy_ios_failure, is_ios_failure_handler): New functions.
5599         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
5600         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
5601         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
5602         handler types, to always catch std::ios_base::failure.
5603         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
5604         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
5605         exceptions_failbit.cc: Likewise.
5606         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
5607         exceptions_failbit.cc: Likewise.
5608         * testsuite/27_io/basic_istream/extractors_other/char/
5609         exceptions_null.cc: Likewise.
5610         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
5611         exceptions_null.cc: Likewise.
5612         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
5613         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
5614         * testsuite/27_io/basic_ostream/inserters_other/char/
5615         exceptions_null.cc: Likewise.
5616         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
5617         exceptions_null.cc: Likewise.
5618         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
5619
5620 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
5621
5622         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
5623         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
5624
5625 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
5626
5627         PR libstdc++/85183
5628         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
5629         value categories.
5630         * testsuite/20_util/variant/85183.cc: New.
5631
5632 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
5633
5634         * include/std/variant (__get): Qualify calls to avoid ADL.
5635         (__select_index): Adjust whitespace.
5636         (variant): Add using-declaration to workaround Clang bug.
5637
5638 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
5639
5640         PR libstdc++/85040
5641         * include/bits/stl_function.h (greater::__not_overloaded)
5642         (less::__not_overloaded, greater_equal::__not_overloaded)
5643         (less_equal::__not_overloaded): Fix ambiguous specializations.
5644         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
5645         tests for type with overloaded operators.
5646
5647 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5648
5649         PR libstdc++/77691
5650         * testsuite/experimental/memory_resource/resource_adaptor.cc:
5651         xfail execution on 32-bit Solaris/x86.
5652
5653 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
5654
5655         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
5656         VERIFY instead of assert.
5657         * testsuite/20_util/hash/84998.cc: New test.
5658         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
5659         copy of test adjusted for Debug Mode.
5660         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
5661         test in Debug Mode.
5662
5663 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
5664
5665         PR libstdc++/84998
5666         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
5667         * include/std/bitset: Likewise.
5668         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
5669         declaration.
5670         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
5671         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
5672         * include/bits/stl_set.h (std::set<>): Likewise.
5673         * include/bits/unordered_map.h (std::unordered_map<>): Fix
5674         _Hash_merge_helper friend declaration.
5675         (std::unordered_multimap<>): Likewise.
5676         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
5677         (std::unordered_multiset<>): Likewise.
5678
5679 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5680
5681         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
5682         trailing slash for domain level link.
5683         * doc/xml/faq.xml: Ditto.
5684         * doc/xml/manual/appendix_free.xml (software): Ditto.
5685         * doc/xml/manual/intro.xml: Ditto.
5686         * doc/xml/manual/spine.xml: Ditto.
5687         * doc/xml/spine.xml: Ditto.
5688
5689 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
5690
5691         * doc/xml/manual/documentation_hacking.xml: Adjust link to
5692         docbook.org.
5693
5694 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
5695
5696         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
5697         to compile as C++98.
5698
5699 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
5700
5701         PR libstdc++/78420
5702         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
5703         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
5704         to ensure total order for pointers.
5705         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
5706         Add operator() overloads for pointer arguments and make generic
5707         overloads dispatch to new _S_cmp functions when comparisons would
5708         use built-in operators for pointers.
5709         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
5710
5711 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
5712
5713         PR libstdc++/84773
5714         PR libstdc++/83662
5715         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
5716         * configure: Regenerate.
5717         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
5718         (aligned_alloc): Add using-declaration.
5719         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
5720
5721 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
5722
5723         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
5724         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
5725         registration.
5726
5727 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
5728
5729         PR libstdc++/84769
5730         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
5731         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
5732
5733         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
5734         src/filesystem/std-ops.cc (create_dir): Likewise.
5735
5736 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
5737
5738         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
5739         (StdListIteratorPrinter): Inherit from latter.
5740         (StdFwdListIteratorPrinter): New, inherit from latter.
5741         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
5742         when iterator has no associated container.
5743         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
5744         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
5745         registrations.
5746         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
5747         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
5748
5749 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
5750
5751         PR libstdc++/84601
5752         * include/std/optional (_Optional_payload): Split into multiple
5753         specializations that can handle different cases of trivial or
5754         non-trivial assignment operators.
5755         * testsuite/20_util/optional/84601.cc: New.
5756         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5757
5758 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
5759
5760         PR libstdc++/84671
5761         * include/bits/parse_numbers.h (_Number_help): Add partial
5762         specialization to handle digit separators. Adjust partial
5763         specialization for recursion temrination to require _Pow == 1ULL.
5764         * testsuite/20_util/duration/literals/84671.cc: New
5765
5766 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
5767
5768         Implement the missing bits of LWG 2769
5769         * include/std/any (any_cast(const any&)): Add static_assert.
5770         (any_cast(any&)): Likewise.
5771         (any_cast(any&&)): Likewise, and remove the handling
5772         for copyable-but-not-movable type.
5773         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
5774         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
5775         add new tests.
5776
5777 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
5778
5779         PR libstdc++/84532
5780         * include/std/thread (thread::__make_invoker): Construct tuple
5781         directly instead of using make_tuple.
5782         * testsuite/30_threads/async/84532.cc: New.
5783         * testsuite/30_threads/thread/84532.cc: New.
5784
5785 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
5786
5787         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
5788         (template<> __aligned_buffer): Define as __aligned_membuf alias.
5789
5790 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
5791
5792         PR target/84148
5793         * configure: Regenerate.
5794
5795 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
5796
5797         PR libstdc++/81797
5798         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
5799         * configure: Regenerate.
5800         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
5801         defined.
5802         * include/Makefile.in: Regenerate.
5803
5804 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
5805
5806         PR libstdc++/83833
5807         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
5808         Add -ffloat-store to options for m68k and ia32.
5809
5810         * doc/xml/faq.xml: Update copyright years.
5811         * doc/html/*: Regenerate.
5812
5813         PR libstdc++/83658
5814         * include/std/any (any::__do_emplace): Only set _M_manager after
5815         constructing the contained object.
5816         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
5817         * testsuite/20_util/any/modifiers/83658.cc: New test.
5818
5819 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
5820
5821         PR libstdc++/81076
5822         * include/c_global/cstddef (__byte_operand): Define primary template.
5823         * testsuite/18_support/byte/81076.cc: New test.
5824
5825 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
5826
5827         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
5828         dg-options and dg-add-options order.
5829         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
5830         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
5831         Likewise.
5832         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
5833         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
5834         Likewise.
5835         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
5836         Likewise.
5837         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
5838         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
5839         Likewise.
5840         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
5841         Likewise.
5842         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
5843         Likewise.
5844         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
5845         Likewise.
5846         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
5847         Likewise.
5848         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
5849         Likewise.
5850         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
5851         Likewise.
5852         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
5853         Likewise.
5854         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
5855         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
5856         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
5857         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
5858         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
5859         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
5860         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
5861         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
5862         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
5863         Likewise.
5864         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
5865         Likewise.
5866         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
5867         Likewise.
5868         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
5869         Likewise.
5870
5871 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
5872
5873         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
5874         include linux/types.h when checking linux/random.h header.
5875         * config.h.in: Regenerate.
5876         * configure: Ditto.
5877         * src/c++11/random.cc: Conditionally include linux/types.h.
5878
5879 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
5880
5881         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
5882
5883 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
5884
5885         PR libstdc++/83834
5886         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
5887         pattern with exact match for std::cerr.
5888
5889 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5890
5891         PR libstdc++/83833
5892         * include/bits/random.h (chi_squared_distribution::param): Update
5893         gamma distribution parameter.
5894         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
5895         test.
5896
5897         PR libstdc++/83830
5898         * include/std/type_traits (has_unique_object_representations_v): Add
5899         variable template.
5900         * testsuite/20_util/has_unique_object_representations/value.cc: Check
5901         variable template.
5902
5903 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
5904
5905         Make optional conditionally
5906         trivially_{copy,move}_{constructible,assignable}
5907         * include/std/optional (_Optional_payload): Fix the comment in
5908         the class head and turn into a primary and one specialization.
5909         (_Optional_payload::_M_engaged): Strike the NSDMI.
5910         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
5911         New.
5912         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
5913         Likewise.
5914         (_Optional_payload<_Tp, false>::_M_get): Likewise.
5915         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
5916         (_Optional_base_impl): Likewise.
5917         (_Optional_base): Turn into a primary and three specializations.
5918         (optional(nullopt)): Change the base init.
5919         * testsuite/20_util/optional/assignment/8.cc: New.
5920         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
5921         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
5922
5923 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
5924
5925         PR libstdc++/80276
5926         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
5927         (get_template_arg_list): New.
5928         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
5929         instead.
5930         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
5931         of strings and regular expressions.
5932         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
5933         (FilteringTypePrinter): Add docstring. Match using startswith. Use
5934         strip_inline_namespaces instead of strip_versioned_namespace.
5935         (add_one_type_printer): Prepend namespace to match argument.
5936         (register_type_printers): Add type printers for char16_t and char32_t
5937         string types and for types using cxx11 ABI. Update calls to
5938         add_one_template_type_printer to provide default argument dicts.
5939         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
5940         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
5941         basic_string<unsigned char> and basic_string<signed char>.
5942         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
5943         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
5944
5945 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
5946
5947         PR libstdc++/81092
5948         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
5949
5950 2018-01-13  Tim Shen  <timshen@google.com>
5951
5952         PR libstdc++/83601
5953         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
5954         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
5955         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
5956
5957 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5958
5959         PR libstdc++/64054
5960         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
5961         Remove dg-xfail-run-if.
5962
5963 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
5964
5965         * include/bits/forward_list.h
5966         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
5967         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
5968         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
5969         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
5970         (_Fwd_list_impl()): Add noexcept qualification.
5971         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
5972         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
5973         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
5974         (_Fwd_list_base()): Default.
5975         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
5976         (_Fwd_list_base(_Fwd_list_base&&)): Default.
5977         (forward_list<>()): Default.
5978         (forward_list<>(forward_list&&)): Default.
5979         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
5980         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
5981         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
5982         * include/bits/forward_list.tcc
5983         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
5984         _M_impl._M_head move assignment.
5985         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
5986         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
5987
5988 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
5989
5990         PR libstdc++/80276
5991         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
5992         (UniquePointerPrinter): Print correct template argument, not type of
5993         the pointer.
5994         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
5995         a type.
5996         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
5997         array type.
5998         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
5999         weak_ptr of array types.
6000
6001 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
6002
6003         PR libstdc++/83709
6004         * include/bits/hashtable_policy.h
6005         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
6006         __first != __last.
6007         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
6008         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
6009         Add false_type parameter.
6010         (_Insert_base::insert): Adapt.
6011         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
6012         Adapt.
6013         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
6014          Add __n_elt parameter, defaulted to 1.
6015         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
6016         policy _M_need_rehash.
6017         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
6018         produce only 1 rehash if necessary.
6019         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
6020         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
6021
6022 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
6023             Jonathan Wakely  <jwakely@redhat.com>
6024
6025         PR libstdc++/59253 (partial)
6026         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
6027         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
6028         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
6029         children.
6030         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
6031         of unique_ptr printer.
6032         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
6033         output of shared_ptr printer.
6034
6035 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
6036
6037         PR libstdc++/83626
6038         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
6039         unnecessary symlink_status call.
6040         (remove_all(const path&, error_code&)): Use filesystem::remove.
6041         * src/filesystem/std-ops.cc: Likewise.
6042
6043         PR libstdc++/83279
6044         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
6045         sendfile.
6046
6047         PR libstdc++/83626
6048         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
6049         report an error for ENOENT.
6050         (remove_all(const path&)): Fix type of result variable.
6051         (remove_all(const path&, error_code&)): Use non-throwing increment
6052         for directory iterator. Call POSIX remove directly to avoid redundant
6053         calls to symlink_status. Do not report errors for ENOENT.
6054         * src/filesystem/std-ops.cc: Likewise.
6055         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
6056         overload.
6057         * testsuite/experimental/filesystem/operations/remove_all.cc:
6058         Likewise.
6059
6060 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
6061
6062         PR libstdc++/83626
6063         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
6064         redundant call to ec.clear().
6065         (remove_all(const path&, error_code&))): Do not return an error for
6066         non-existent paths.
6067         * src/filesystem/std-ops.cc: Likewise.
6068         * testsuite/27_io/filesystem/operations/remove.cc: New test.
6069         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
6070         results for non-existent paths.
6071         * testsuite/experimental/filesystem/operations/remove.cc: New test.
6072         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
6073         expected results for non-existent paths.
6074
6075         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
6076         check status_known once.
6077         * include/experimental/bits/fs_ops.h: Likewise.
6078
6079         PR libstdc++/83607
6080         * include/std/functional (__is_byte_like): New trait.
6081         (__is_std_equal_to): Remove.
6082         (__boyer_moore_base_t): Use __is_byte_like instead of
6083         __is_std_equal_to.
6084         * include/experimental/functional (__is_std_equal_to): Remove.
6085         (__boyer_moore_base_t): Use __is_byte_like instead of
6086         __is_std_equal_to.
6087         * testsuite/20_util/function_objects/83607.cc: New test.
6088
6089 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
6090
6091         Protect optional's deduction guide with the feature macro
6092         * include/std/optional: Use the feature macro.
6093
6094 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
6095
6096         Update copyright years.
6097 \f
6098 Copyright (C) 2018 Free Software Foundation, Inc.
6099
6100 Copying and distribution of this file, with or without modification,
6101 are permitted in any medium without royalty provided the copyright
6102 notice and this notice are preserved.