libstdc++-v3/ChangeLog

   1 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
   4         Return raw pointer not allocator's pointer type.
   5         (vector::_Temporary_value::_M_val): Use _M_ptr.
   6
   7         PR libstdc++/87194
   8         * include/bits/stl_map.h
   9         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
  10         (map::map(initializer_list<value_type>, const Alloc&))
  11         (map::map(InputIterator, InputIterator, const Alloc&))
  12         (map::map(InputIterator, InputIterator))
  13         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
  14         (map::insert(InputIterator, InputIterator)):
  15         Call _M_insert_range_unique instead of _M_insert_unique.
  16         * include/bits/stl_multimap.h
  17         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
  18         (multimap::multimap(initializer_list<value_type>, const A&))
  19         (multimap::multimap(InputIterator, InputIterator, const A&))
  20         (multimap::multimap(InputIterator, InputIterator))
  21         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
  22         (multimap::insert(InputIterator, InputIterator)): Call
  23         _M_insert_range_equal instead of _M_insert_equal.
  24         * include/bits/stl_multiset.h
  25         (multiset::multiset(InputIterator, InputIterator))
  26         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
  27         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
  28         (multiset::multiset(initializer_list<value_type>, const A&))
  29         (multiset::multiset(InputIterator, InputIterator, const A&))
  30         (multiset::insert(InputIterator, InputIterator)): Call
  31         _M_insert_range_equal instead of _M_insert_equal.
  32         * include/bits/stl_set.h
  33         (set::set(InputIterator, InputIterator))
  34         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
  35         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
  36         (set::set(initializer_list<value_type>, const Alloc&))
  37         (set::set(InputIterator, InputIterator, const Alloc&))
  38         (set::insert(InputIterator, InputIterator)):
  39         Call _M_insert_range_unique instead of _M_insert_unique.
  40         * include/bits/stl_tree.h
  41         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
  42         template for SFINAE constraints.
  43         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
  44         constrained overloads that either insert or emplace, depending on
  45         iterator's value_type.
  46         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
  47         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
  48         (_Rb_tree::_M_insert_range_equal): New functions replacing range
  49         versions of _M_insert_unique and _M_insert_equal.
  50         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
  51         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
  52         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
  53         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
  54         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
  55         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
  56
  57         PR libstdc++/78595
  58         * include/bits/stl_map.h (map::insert(_Pair&&))
  59         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
  60         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
  61         (multimap::insert(const_iterator, _Pair&&)): Likewise.
  62         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
  63         (unordered_map::insert(const_iterator, _Pair&&))
  64         (unordered_multimap::insert(_Pair&&))
  65         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
  66         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
  67         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
  68         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
  69         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
  70         test.
  71
  72 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
  73
  74         * include/debug/safe_iterator.h
  75         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
  76         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
  77         New.
  78         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
  79         ::_OtherSelf): New.
  80         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
  81         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
  82         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
  83         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
  84         ::operator+(difference_type)): Use latters, inline as friend.
  85         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
  86         ::operator-(difference_type)): Likewise.
  87         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
  88         Likewise.
  89         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
  90         Likewise.
  91         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
  92         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
  93         Likewise.
  94         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
  95         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
  96         Likewise.
  97         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
  98         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
  99         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
 100         * include/debug/safe_iterator.tcc
 101         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
 102         copy.
 103         * include/debug/safe_local_iterator.h
 104         (_Safe_local_iterator<_It, _Seq>::_Self): New.
 105         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
 106         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
 107         (operator==(const _Safe_local_iterator<>&,
 108         const _Safe_local_iterator<>&)): Use latter, inline as friend.
 109         (operator!=(const _Safe_local_iterator<>&,
 110         const _Safe_local_iterator<>&)): Likewise.
 111         * testsuite/util/testsuite_containers.h: Include utility.
 112         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
 113         parameter.
 114         (forward_members_unordered<>::forward_members_unordered(value_type&)):
 115         Add using namespace std::rel_ops.
 116         Add iterator_concept_checks on local_iterator and const_local_iterator.
 117         Add asserts on comparison between const_local_iterator and
 118         local_iterator.
 119         (struct forward_members_unordered<_Tp, false>): Remove partial
 120         specialization.
 121         * testsuite/23_containers/forward_list/types/1.cc: New.
 122         * testsuite/23_containers/list/types/1.cc: New.
 123
 124 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
 125
 126         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
 127         references.
 128
 129 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
 130
 131         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
 132         Add dg-require-fileio.
 133         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
 134         Likewise.
 135         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
 136         Likewise.
 137         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
 138         Likewise.
 139         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
 140         Likewise.
 141         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
 142         Likewise.
 143         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
 144         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
 145         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
 146         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
 147         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
 148         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
 149         Likewise.
 150         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
 151         Likewise.
 152         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
 153         Likewise.
 154         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
 155         Likewise.
 156         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
 157         Likewise.
 158         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
 159         Likewise.
 160         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
 161         Likewise.
 162         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
 163         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
 164         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
 165         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
 166         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
 167         Likewise.
 168         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
 169         Likewise.
 170         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
 171         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
 172         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
 173         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
 174         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
 175         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
 176         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
 177         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
 178         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
 179         Likewise.
 180         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
 181         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
 182         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
 183         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
 184         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
 185         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
 186         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
 187         Likewise.
 188         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
 189
 190 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
 191
 192         * testsuite/experimental/propagate_const/observers/1.cc: Make
 193         dependence on -fdelete-null-pointer-checks explicit.
 194
 195 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
 196
 197         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
 198         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
 199         of the number of bits in the type.
 200         * include/std/bit (__ceil2): Avoid undefined shifts.
 201         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
 202         the most signifiant bit set.
 203
 204         * config/abi/pre/gnu.ver: Add missing exports for mingw.
 205
 206         * include/ext/pointer.h (_Pointer_adapter): Define operators for
 207         pointer arithmetic using long long offsets.
 208         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
 209         long long values.
 210
 211 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
 212
 213         PR libstdc++/31413
 214         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
 215         string for alternative format.
 216
 217 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
 218
 219         PR libstdc++/87116
 220         * src/filesystem/std-path.cc (path::lexically_normal): When handling
 221         a dot-dot filename, preserve an empty final component in the iteration
 222         sequence.
 223         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
 224         root-directory.
 225         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
 226         for more than two adjacent dot-dot filenames.
 227         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
 228         preferred-separator in expected normalized strings.
 229
 230 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
 231
 232         PR libstdc++/70694
 233         * configure.host (OPT_LDFLAGS): Don't append
 234         -fvisibility-inlines-hidden for newer Darwin.
 235
 236 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
 237
 238         PR libstdc++/86822
 239         * libsupc++/new (operator new(size_t, nothrow_t), operator
 240         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
 241         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
 242
 243 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
 244
 245         * include/debug/deque (std::__debug::deque): Declare.
 246         * include/debug/forward_list (std::__debug::forward_list): Declare.
 247         * include/debug/list (std::__debug::list): Declare.
 248         * include/debug/map (std::__debug::map): Declare.
 249         * include/debug/set (std::__debug::set): Declare.
 250         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
 251         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
 252         * include/debug/vector (std::__debug::vector): Declare.
 253         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
 254         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
 255         test.
 256         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
 257         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
 258         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
 259         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
 260         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
 261         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
 262         test.
 263         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
 264         New test.
 265         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
 266         New test.
 267         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
 268         test.
 269         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
 270         Adjust dg-error lineno.
 271         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
 272         test.
 273
 274 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
 275
 276         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
 277         Only define when RTTI is enabled.
 278
 279         * include/debug/vector (__niter_base): Define for C++98.
 280
 281         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
 282         Fix C++98 test to not use C++11 features.
 283         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
 284
 285         * scripts/check_compile: Fix comments.
 286
 287         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
 288         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
 289         begin(), for C++98 compatibility.
 290
 291         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 292         (basic_string::__const_iterator): Change access to protected.
 293         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
 294         as typedef for iterator.
 295         * include/debug/string (__const_iterator): Use typedef from base.
 296         (insert(const_iterator, _CharT))
 297         (replace(const_iterator, const_iterator, const basic_string&))
 298         (replace(const_iterator, const_iterator, const _CharT*, size_type))
 299         (replace(const_iterator, const_iterator, const CharT*))
 300         (replace(const_iterator, const_iterator, size_type, _CharT))
 301         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
 302         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
 303         Change const_iterator parameters to __const_iterator.
 304         (insert(iterator, size_type, _CharT)): Add C++98 overload.
 305         (insert(const_iterator, _InputIterator, _InputIterator)): Change
 306         const_iterator parameter to __const_iterator.
 307         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
 308         of base's member function.
 309         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
 310         Likewise.
 311         (insert(const_iterator, initializer_list<_CharT>))
 312         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
 313         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
 314         target directive.
 315
 316         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
 317         not use C++14 feature.
 318         * testsuite/23_containers/list/68222_neg.cc: Likewise.
 319
 320         * testsuite/21_strings/basic_string/init-list.cc:
 321         Require cxx11-abi.
 322         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 323         Likewise.
 324         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 325         Likewise.
 326
 327         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
 328         C++98 mode.
 329         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
 330         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
 331         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
 332         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 333         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
 334
 335 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 336
 337         PR libstdc++/87061
 338         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
 339         (experimental::pmr::match_results, experimental::pmr::cmatch)
 340         (experimental::pmr::smatch, experimental::pmr::wcmatch)
 341         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
 342         because COW strings don't support C++11 allocator model.
 343         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
 344         (experimental::pmr::basic_string, experimental::pmr::string)
 345         (experimental::pmr::u16string, experimental::pmr::u32string)
 346         (experimental::pmr::wstring): Likewise.
 347         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
 348         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
 349         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
 350         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
 351         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
 352         cxx11-abi.
 353         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
 354
 355         PR libstdc++/78448
 356         * include/bits/deque.tcc (deque::_M_range_initialize): Use
 357         _S_check_init_len to check size.
 358         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
 359         error if size would exceed max_size().
 360         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
 361         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
 362         size_t instead of size_type.
 363         (deq(size_type, const allocator_type&)
 364         (deq(size_type, const value_type&, const allocator_type&)
 365         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
 366         (deque::max_size): Call _S_max_size.
 367         (deque::_S_check_init_len, deque::_S_max_size): New functions.
 368         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
 369         (vector(size_type, const value_type&, const allocator_type&))
 370         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
 371         _S_check_init_len to check size.
 372         (vector::max_size): Call _S_max_size.
 373         (vector::_M_check_len): Prevent max from being expanded as a
 374         function-like macro.
 375         (vector::_S_check_init_len, vector::_S_max_size): New functions.
 376         * include/bits/vector.tcc (vector::_M_assign_aux): Use
 377         _S_check_init_len to check size.
 378         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
 379         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
 380
 381 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
 382
 383         PR libstdc++/68222
 384         * include/debug/safe_iterator.h
 385         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
 386         (_Safe_iterator<>::_Const_iterator): Remove.
 387         (_Safe_iterator<>::_IsConstant): New.
 388         (_Safe_iterator<>::_OtherIterator): New.
 389         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
 390         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
 391         __gnu_cxx::__enable_if condition.
 392         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
 393         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
 394         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
 395         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
 396         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
 397         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 398         ::operator--()): ...here.
 399         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
 400         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 401         ::operator--(int)): ...here.
 402         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
 403         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 404         ::_M_decrementable()): ...here.
 405         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
 406         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
 407         Move...
 408         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 409         ::operator[](const difference_type&)): ...here.
 410         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
 411         Move...
 412         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 413         ::operator+=(const difference_type&)): ...here.
 414         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
 415         Move...
 416         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 417         ::operator+(const difference_type&)): ...here.
 418         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
 419         Move...
 420         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 421         ::operator-=(const difference_type&)): ...here.
 422         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
 423         Move...
 424         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 425         ::operator-(const difference_type&)): ...here.
 426         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 427         Constraint to random access iterators.
 428         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 429         Likewise.
 430         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 431         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 432         Likewise.
 433         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 434         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
 435         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
 436         (__get_distance): Remove.
 437         (__get_distance_from_begin): Remove.
 438         (__get_distance_to_end): Remove.
 439         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
 440         specialization.
 441         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
 442         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
 443         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
 444         * include/debug/safe_iterator.tcc
 445         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
 446         (_Safe_iterator<>::_M_get_distance_to_end()): New.
 447         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
 448         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 449         ::_M_valid_range): New.
 450         * include/debug/safe_local_iterator.h
 451         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
 452         (_Safe_local_iterator<>::_IsConstant): New.
 453         (_Safe_local_iterator<>::_OtherIterator): New.
 454         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
 455         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
 456         in __gnu_cxx::__enable_if condition. If singular compare base iterator
 457         with _MutIte rather than _It.
 458         (_Safe_local_iterator<>::_S_constant): Make constexpr.
 459         (_Safe_local_iterator<>::_M_get_distance_to): New.
 460         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
 461         (__get_distance(const _Safe_local_iterator<>&,
 462         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
 463         (__valid_range(const _Safe_local_iterator<>&,
 464         const _Safe_local_iterator<>&)): New.
 465         * include/debug/safe_local_iterator.tcc
 466         (_Safe_local_iterator<>::_M_get_distance_to): New.
 467         * include/debug/deque (std::__debug::deque<>): Add
 468         ::__gnu_debug::_Safe_iterator<> friend declaration.
 469         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
 470         * include/debug/list (std::__debug::list<>): Likewise.
 471         * include/debug/map.h (std::__debug::map<>): Likewise.
 472         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
 473         * include/debug/set.h (std::__debug::set<>): Likewise.
 474         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
 475         * include/debug/string (std::__debug::basic_string<>): Likewise.
 476         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
 477         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
 478         (std::__debug::unordered_multimap<>): Likewise.
 479         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
 480         (std::__debug::unordered_multiset<>): Likewise.
 481         * include/debug/formatter.h: Adapt.
 482         * include/debug/helper_functions.h
 483         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
 484         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
 485         Pass parameter by copy.
 486         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
 487         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
 488         (__valid_range_aux<_Integral>): Pass _Integral by copy.
 489         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
 490         (__valid_range<>(const _Safe_iterator<>&,
 491         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
 492         Declare.
 493         (__valid_range(const _Safe_local_iterator<>&,
 494         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
 495         Declare.
 496         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 497         Declare.
 498         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
 499         Declare.
 500         (__can_advance): Adapt.
 501         (struct __is_safe_random_iterator<>): Remove.
 502         (struct _SIter_base<>): Remove.
 503         * include/debug/functions.h: Include <bits/stl_iterator.h>.
 504         (__check_dereferenceable): Remove.
 505         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
 506         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
 507         (__foreign_iterator): Adapt.
 508         * include/debug/stl_iterator.h
 509         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
 510         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
 511         Constraint for random access iterators.
 512         (__niter_base): Adapt.
 513         * testsuite/util/testsuite_containers.h:
 514         Include <bits/boost_concept_check.h>.
 515         (iterator_concept_checks<_It, _Mutable, _Category>): New.
 516         (citerator<_Cont>::forward_members::forward_members()): Instantiate
 517         latter for container iterator and const_iterator.
 518         * testsuite/23_containers/list/68222_neg.cc: New.
 519         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
 520         line number.
 521         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
 522         (test01): Remove.
 523         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
 524         Remove.
 525
 526 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 527
 528         PR libstdc++/77854
 529         * doc/xml/manual/status_cxx1998.xml: Document size_type and
 530         difference_type for containers.
 531         * doc/html/*: Regenerate.
 532
 533 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
 534
 535         P0646R1 Improving the Return Value of Erase-Like Algorithms I
 536         * include/debug/forward_list (forward_list::__remove_return_type):
 537         Define typedef as size_type or void, according to __cplusplus value.
 538         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 539         empty, according to __cplusplus value.
 540         (_GLIBCXX20_ONLY): Define macro.
 541         (forward_list::remove, forward_list::unique): Use typedef and macro
 542         to change return type and add abi-tag for C++2a. Return number of
 543         removed elements for C++2a.
 544         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
 545         typedef to change return type for C++2a. Return number of removed
 546         elements for C++2a.
 547         * include/debug/list (list::__remove_return_type): Define typedef as
 548         size_type or void, according to __cplusplus value.
 549         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 550         empty, according to __cplusplus value.
 551         (_GLIBCXX20_ONLY): Define macro.
 552         (list::remove, list::unique): Use typedef and macro to change return
 553         type and add abi-tag for C++2a. Return number of removed elements for
 554         C++2a.
 555         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
 556         to change return type for C++2a. Return number of removed elements for
 557         C++2a.
 558
 559 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
 560
 561         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
 562
 563 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
 564
 565         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
 566         redundant dg-do directive.
 567         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
 568         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
 569         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
 570         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
 571
 572 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
 573
 574         PR libstdc++/86963
 575         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
 576         (_Tuple_impl::_M_assign): New functions to perform assignment instead
 577         of assignment operators.
 578         (_Tuple_impl::_M_swap): Remove exception specification.
 579         (_Tuple_impl<_Idx, _Head>): Likewise.
 580         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
 581         (__tuple_base): Remove.
 582         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
 583         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
 584         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
 585         using __is_nothrow_swappable.
 586         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
 587
 588         * include/std/optional (_Optional_payload): Use variable templates
 589         for conditions in default template arguments and exception
 590         specifications.
 591         (optional): Likewise. Adjust indentation.
 592         (optional::__not_self, optional::__not_tag, optional::_Requires): New
 593         SFINAE helpers.
 594         (optional::optional): Use new helpers in constructor constraints.
 595         * include/std/type_traits (__or_v, __and_v): New variable templates.
 596         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
 597         dg-prune-output. Remove unused header.
 598
 599 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
 600
 601         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
 602         _GLIBCXX_DEBUG.
 603
 604 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
 605
 606         PR libstdc++/86963
 607         * include/std/tuple (__tuple_base): New class template with deleted
 608         copy assignment operator.
 609         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
 610         implicit copy/move assignment operator will be deleted/suppressed.
 611         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
 612         functions for SFINAE constraints on assignment operators.
 613         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
 614         New helper functions for exception specifications.
 615         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
 616         (tuple<_T1, _T2>::operator=(const tuple&))
 617         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
 618         __nonesuch_no_braces when the operator should be defined implicitly.
 619         Use __nothrow_assignable for exception specifications.
 620         (tuple::operator=(const tuple<_UElements...>&))
 621         (tuple::operator=(tuple<_UElements...>&&))
 622         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
 623         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
 624         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
 625         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
 626         __assignable and use __nothrow_assignable for exception
 627         specifications.
 628         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
 629         gdb.Type as first argument, instead of a string.
 630         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
 631         tuple for expected structure.
 632         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
 633         * testsuite/20_util/tuple/dr2729.cc: New test.
 634         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
 635         to dg-prune-output.
 636
 637 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
 638
 639         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
 640         about signed/unsigned comparison.
 641
 642         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
 643         deprecation warnings for using uncaught_exception().
 644
 645         PR libstdc++/86447
 646         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
 647         (logic_error::logic_error(logic_error&&))
 648         (logic_error::operator=(logic_error&&))
 649         (runtime_error::runtime_error(runtime_error&&))
 650         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
 651         moving, to avoid allocating empty reps for moved-from strings.
 652
 653 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
 654
 655         * include/experimental/regex: Remove begin/end macros for namespace.
 656         * include/experimental/string: Likewise.
 657         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
 658         New test.
 659         * testsuite/experimental/polymorphic_allocator/
 660         pmr_typedefs_forward_list.cc: New test.
 661         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
 662         New test.
 663         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
 664         New test.
 665         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 666         New test.
 667         * testsuite/experimental/polymorphic_allocator/
 668         pmr_typedefs_multimap.cc: New test.
 669         * testsuite/experimental/polymorphic_allocator/
 670         pmr_typedefs_multiset.cc: New test.
 671         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
 672         New test.
 673         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 674         New test.
 675         * testsuite/experimental/polymorphic_allocator/
 676         pmr_typedefs_unordered_map.cc: New test.
 677         * testsuite/experimental/polymorphic_allocator/
 678         pmr_typedefs_unordered_multimap.cc: New test.
 679         * testsuite/experimental/polymorphic_allocator/
 680         pmr_typedefs_unordered_multiset.cc: New test.
 681         * testsuite/experimental/polymorphic_allocator/
 682         pmr_typedefs_unordered_set.cc: New test.
 683         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
 684         New test.
 685
 686         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
 687         calls to __uses_allocator_construct_impl and __use_alloc.
 688         * include/experimental/memory_resource
 689         (polymorphic_allocator::_M_construct): Remove.
 690         (polymorphic_allocator::construct): Call __uses_allocator_construct.
 691         Qualify calls to __use_alloc.
 692         * include/std/memory_resource (polymorphic_allocator::construct): Fix
 693         type in SFINAE constraint. Use constexpr if instead of tag dispatching
 694         to _S_construct overloads.
 695         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
 696         arguments to _S_construct_p.
 697         (polymorphic_allocator::_S_construct): Remove.
 698         (polymorphic_allocator::_S_construct_p): Return allocators by value
 699         not by reference.
 700         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
 701         Qualify calls to __use_alloc.
 702         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
 703         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
 704         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
 705         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
 706         New test.
 707
 708         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
 709         (atomic_mem_res): Add unsynchronized definition for single-threaded.
 710
 711 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
 712
 713         PR libstdc++/86954
 714         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
 715         non-placement delete.
 716
 717         * include/std/chrono (__check_overflow): Simplify definition.
 718         (_Checked_integral_constant): Remove.
 719
 720         PR libstdc++/86846
 721         * src/c++17/default_resource.h: New file, defining default_res.
 722         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
 723         (atomic_mem_res): Define alternative for atomic<memory_resource*>
 724         using a mutex instead of atomics.
 725
 726         PR libstdc++/85343
 727         * config/abi/pre/gnu.ver: Export new symbol.
 728         * doc/xml/manual/abi.xml: Document new versions.
 729         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
 730         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
 731         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
 732         Declare new overload.
 733         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
 734         and static member function.
 735         (__throw_ios_failure(const char*, int)): Define.
 736         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
 737         (__throw_ios_failure(const char*, int)): Define.
 738
 739 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
 740
 741         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
 742         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
 743         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
 744         copied/assigned rope iterators don't retain pointers to the iterator
 745         they were copied/assigned from.
 746         * testsuite/ext/rope/7.cc: New.
 747
 748 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
 749
 750         PR libstdc++/45093
 751         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
 752         Combine definitions to avoid --detect-odr-violations warning.
 753
 754         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
 755         __is_pow2 to check for valid alignment. Avoid branching when rounding
 756         size to multiple of alignment.
 757
 758         * include/Makefile.am: Install <bit> and <version> for freestanding.
 759         * include/Makefile.in: Regenerate.
 760         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
 761
 762         Revert
 763         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 764
 765         PR target/85904
 766         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 767         Newlib.
 768         * configure: Regenerate.
 769
 770 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 771
 772         PR libstdc++/68210
 773         * doc/xml/manual/intro.xml: Document LWG 206 change.
 774         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 775         * libsupc++/del_opa.cc: Likewise.
 776         * libsupc++/del_opant.cc: Likewise.
 777         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
 778         of free(ptr).
 779         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 780         * libsupc++/del_opsa.cc: Likewise.
 781         * libsupc++/del_opva.cc: Likewise.
 782         * libsupc++/del_opvant.cc: Likewise.
 783         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
 784         instead of operator delete(ptr).
 785         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 786         * libsupc++/del_opvsa.cc: Likewise.
 787         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
 788         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
 789         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
 790         with noexcept.
 791         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
 792         malloc(sz).
 793         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
 794         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
 795         operator new(sz, nothrow).
 796         * testsuite/18_support/new_nothrow.cc: New test.
 797
 798 2018-08-10  Martin Liska  <mliska@suse.cz>
 799
 800         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
 801         predictor can handle that.
 802         * libsupc++/new_opa.cc: Likewise.
 803         * libsupc++/new_opnt.cc (new): Likewise.
 804
 805 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 806
 807         PR target/85904
 808         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 809         Newlib.
 810         * configure: Regenerate.
 811
 812 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 813
 814         * include/std/deque (std::pmr::deque): Declare alias.
 815         * include/std/forward_list (std::pmr::forward_list): Likewise.
 816         * include/std/list (std::pmr::list): Likewise.
 817         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
 818         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
 819         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
 820         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
 821         * include/std/string (std::pmr::basic_string, std::pmr::string)
 822         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
 823         Likewise.
 824         * include/std/unordered_map (std::pmr::unordered_map)
 825         (std::pmr::unordered_multimap): Likewise.
 826         * include/std/unordered_set (std::pmr::unordered_set)
 827         (std::pmr::unordered_multiset): Likewise.
 828         * include/std/vector (std::pmr::vector): Likewise.
 829         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
 830         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
 831         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
 832         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
 833         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
 834         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
 835         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
 836         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
 837         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
 838         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
 839         test.
 840         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
 841         test.
 842         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
 843         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
 844         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
 845
 846 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
 847
 848         * include/bits/stl_algo.h
 849         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
 850         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
 851         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
 852         duplication...
 853         (rotate(_Ite, _Ite, _Ite)): ...here.
 854         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
 855         Simplify rotate call.
 856         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
 857         Likewise.
 858         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
 859         Likewise.
 860
 861 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
 862
 863         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
 864         avoid clashing with an ::aligned_alloc function that was not detected
 865         by configure.
 866
 867         * doc/xml/manual/using.xml: Fix markup for empty table entry.
 868         * doc/html/*: Regenerate.
 869
 870         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
 871         * doc/html/*: Regenerate.
 872
 873         PR libstdc++/86597
 874         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
 875         Clear error_code when cached type is used.
 876         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
 877
 878 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
 879
 880         PR libstdc++/86874
 881         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
 882         here instead of in _Move_assign_base.
 883         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
 884         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
 885         the contained value to another alternative.
 886         (_Move_assign_base::operator=): Likewise.
 887         (_Move_assign_base::_M_destructive_move): Remove.
 888         * testsuite/20_util/variant/86874.cc: New test.
 889
 890         PR libstdc++/86861
 891         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
 892         Replace macro with inline function.
 893         [__sun]: Increase alignment to meet memalign precondition.
 894         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
 895         (aligned_alloc): Move check for valid alignment to operator new.
 896         Remove redundant check for non-zero size, it's enforced by the caller.
 897         (operator new): Move check for valid alignment here. Use
 898         __builtin_expect on check for zero size.
 899
 900         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
 901         * include/std/memory_resource (monotonic_buffer_resource::release):
 902         Call _M_release_buffers to free buffers.
 903         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
 904         allocate a new buffer from upstream.
 905         (monotonic_buffer_resource::_M_new_buffer): Declare.
 906         (monotonic_buffer_resource::_M_release_buffers): Declare.
 907         (monotonic_buffer_resource::_Chunk): Replace definition with
 908         declaration as opaque type.
 909         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
 910         Define.
 911         (monotonic_buffer_resource::_M_new_buffer): Define.
 912         (monotonic_buffer_resource::_M_release_buffers): Define.
 913
 914 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
 915
 916         * include/bits/stl_iterator.h: Fix comment.
 917
 918 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
 919
 920         * src/c++11/system_error.cc
 921         (system_error_category::default_error_condition): Add workaround for
 922         ENOTEMPTY and EEXIST having the same value on AIX.
 923         * testsuite/19_diagnostics/error_category/system_category.cc: Add
 924         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
 925
 926 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
 927
 928         * configure: Regenerate.
 929         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
 930         * src/c++11/futex.cc: Use __glibcxx_assert instead of
 931         _GLIBCXX_DEBUG_ASSERT.
 932
 933 2018-08-01  Mike Crowe  <mac@mcrowe.com>
 934
 935         * include/std/condition_variable (wait_for): Use steady_clock.
 936
 937 2018-08-01  Mike Crowe  <mac@mcrowe.com>
 938
 939         * include/std/condition_variable (wait_until): Only report timeout
 940         if we really have timed out when measured against the
 941         caller-supplied clock.
 942         * testsuite/30_threads/condition_variable/members/2.cc: Add test
 943         case to confirm above behaviour.
 944
 945 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
 946
 947         PR libstdc++/60555
 948         * src/c++11/system_error.cc
 949         (system_error_category::default_error_condition): New override to
 950         check for POSIX errno values.
 951         * testsuite/19_diagnostics/error_category/generic_category.cc: New
 952         * testsuite/19_diagnostics/error_category/system_category.cc: New
 953         test.
 954
 955 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
 956
 957         PR libstdc++/86751
 958         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
 959         assignment operator.
 960         (pair): Derive from __pair_base.
 961         (pair::operator=): Remove deleted overload.
 962         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
 963         so that new base class isn't shown in GDB.
 964         * testsuite/20_util/pair/86751.cc: New test.
 965         * testsuite/20_util/pair/ref_assign.cc: New test.
 966
 967         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
 968         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
 969         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
 970         instead of __has_builtin.
 971         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
 972         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
 973         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
 974         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
 975         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
 976         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
 977         (__cpp_lib_has_unique_object_representations): Don't define when
 978         builtin not available.
 979         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
 980         Likewise.
 981         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
 982         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
 983         from here.
 984
 985         * doc/xml/manual/test.xml: Improve documentation on writing tests for
 986         newer standards.
 987         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
 988         * doc/html/*: Regenerate.
 989
 990         * include/ext/pointer.h [__cplusplus >= 201103L]
 991         (_Pointer_adapter::operator bool): Add explicit conversion operator
 992         to replace safe bool idiom.
 993
 994 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
 995
 996         PR libstdc++/86734
 997         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
 998         _S_to_pointer (LWG 1052, LWG 2118).
 999         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
1000         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
1001         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
1002
1003         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
1004         workaround for aligned_alloc bug on AIX.
1005         * testsuite/18_support/new_aligned.cc: New test.
1006
1007 2018-07-26  Marek Polacek  <polacek@redhat.com>
1008
1009         * testsuite/30_threads/condition_variable_any/cond.cc: New.
1010
1011 2018-07-26  Marek Polacek  <polacek@redhat.com>
1012
1013         * src/c++98/locale_init.cc: Fix #ifdef condition.
1014
1015 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1016
1017         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
1018         dg-require-cstdint directive.
1019         * testsuite/20_util/allocator/overaligned.cc: Likewise.
1020         * testsuite/20_util/any/cons/aligned.cc: Likewise.
1021         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
1022         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
1023         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
1024         Likewise.
1025         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1026         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
1027         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
1028         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
1029         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
1030         random_device effective-target.
1031         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
1032         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
1033         * testsuite/25_algorithms/sample/2.cc: Likewise.
1034         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
1035         and random_device.
1036         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
1037         cstdint.
1038         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1039         Likewise.
1040         * testsuite/26_numerics/random/discard_block_engine/requirements/
1041         constexpr_data.cc: Likewise.
1042         * testsuite/26_numerics/random/discard_block_engine/requirements/
1043         constexpr_functions.cc: Likewise.
1044         * testsuite/26_numerics/random/independent_bits_engine/requirements/
1045         constexpr_functions.cc: Likewise.
1046         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1047         constexpr_data.cc: Likewise.
1048         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1049         constexpr_functions.cc: Likewise.
1050         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1051         constexpr_data.cc: Likewise.
1052         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1053         constexpr_functions.cc: Likewise.
1054         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1055         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
1056         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1057         constexpr_data.cc: Add dg-require-cstdint directive.
1058         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1059         constexpr_functions.cc: Likewise.
1060         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1061         constexpr_data.cc: Likewise.
1062         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1063         constexpr_functions.cc: Likewise.
1064         * testsuite/26_numerics/random/uniform_real_distribution/operators/
1065         64351.cc: Likewise.
1066         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
1067         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1068         * testsuite/experimental/algorithm/sample.cc: Likewise.
1069         * testsuite/experimental/algorithm/search.cc: Likewise.
1070         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1071         * testsuite/experimental/any/cons/aligned.cc: Likewise.
1072         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1073         Likewise.
1074         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
1075         * testsuite/experimental/random/randint.cc: Likewise.
1076         * testsuite/experimental/source_location/1.cc: Likewise.
1077         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
1078         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
1079         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
1080         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
1081         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
1082         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
1083         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
1084         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
1085         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
1086         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
1087         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
1088         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
1089         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
1090         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
1091         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
1092         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
1093         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
1094         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
1095         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
1096         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1097         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
1098         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
1099         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
1100
1101         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
1102         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
1103         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
1104         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
1105         Likewise.
1106         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
1107         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
1108         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
1109         Likewise.
1110         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
1111         Likewise.
1112         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
1113         Likewise.
1114         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
1115         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
1116         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
1117         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
1118         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
1119         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
1120         Likewise.
1121         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
1122         Likewise.
1123         * testsuite/30_threads/recursive_timed_mutex/dest/
1124         destructor_locked.cc: Likewise.
1125         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
1126         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
1127         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
1128         Likewise.
1129         * testsuite/30_threads/recursive_timed_mutex/native_handle/
1130         typesizes.cc: Likewise.
1131         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
1132         Likewise.
1133         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
1134         Likewise.
1135         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
1136         Likewise.
1137         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
1138         Likewise.
1139         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
1140         Likewise.
1141         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
1142         Likewise.
1143         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
1144         Likewise.
1145         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
1146         Likewise.
1147         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
1148         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
1149         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
1150         * testsuite/30_threads/scoped_lock/requirements/
1151         explicit_instantiation.cc: Likewise.
1152         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
1153         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
1154         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
1155         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
1156         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
1157         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
1158         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
1159         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
1160         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
1161         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
1162         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
1163         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
1164         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
1165         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
1166         * testsuite/30_threads/shared_future/requirements/
1167         explicit_instantiation.cc: Likewise.
1168         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
1169         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
1170         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
1171         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
1172         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
1173         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
1174         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
1175         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
1176         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
1177         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
1178         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
1179         * testsuite/30_threads/shared_lock/requirements/
1180         explicit_instantiation.cc: Likewise.
1181         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
1182         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
1183         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
1184         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
1185         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
1186         Likewise.
1187         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
1188         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
1189         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
1190         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
1191         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
1192         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
1193         * testsuite/30_threads/shared_timed_mutex/requirements/
1194         standard_layout.cc: Likewise.
1195         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
1196         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
1197         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
1198         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
1199         * testsuite/30_threads/this_thread/1.cc: Likewise.
1200         * testsuite/30_threads/this_thread/2.cc: Likewise.
1201         * testsuite/30_threads/this_thread/3.cc: Likewise.
1202         * testsuite/30_threads/this_thread/4.cc: Likewise.
1203         * testsuite/30_threads/this_thread/58038.cc: Likewise.
1204         * testsuite/30_threads/thread/70503.cc: Likewise.
1205         * testsuite/30_threads/thread/84532.cc: Likewise.
1206         * testsuite/30_threads/thread/adl.cc: Likewise.
1207         * testsuite/30_threads/thread/cons/1.cc: Likewise.
1208         * testsuite/30_threads/thread/cons/2.cc: Likewise.
1209         * testsuite/30_threads/thread/cons/3.cc: Likewise.
1210         * testsuite/30_threads/thread/cons/4.cc: Likewise.
1211         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
1212         * testsuite/30_threads/thread/cons/5.cc: Likewise.
1213         * testsuite/30_threads/thread/cons/6.cc: Likewise.
1214         * testsuite/30_threads/thread/cons/7.cc: Likewise.
1215         * testsuite/30_threads/thread/cons/8.cc: Likewise.
1216         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
1217         * testsuite/30_threads/thread/cons/9.cc: Likewise.
1218         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
1219         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
1220         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
1221         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
1222         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
1223         * testsuite/30_threads/thread/id/operators.cc: Likewise.
1224         * testsuite/30_threads/thread/members/1.cc: Likewise.
1225         * testsuite/30_threads/thread/members/2.cc: Likewise.
1226         * testsuite/30_threads/thread/members/3.cc: Likewise.
1227         * testsuite/30_threads/thread/members/4.cc: Likewise.
1228         * testsuite/30_threads/thread/members/5.cc: Likewise.
1229         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
1230         Likewise.
1231         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
1232         * testsuite/30_threads/thread/swap/1.cc: Likewise.
1233         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
1234         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
1235         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
1236         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
1237         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
1238         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
1239         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
1240         Likewise.
1241         * testsuite/30_threads/timed_mutex/requirements/
1242         standard_layout.cc: Likewise.
1243         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
1244         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
1245         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
1246         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
1247         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
1248         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
1249         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
1250         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
1251         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
1252         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
1253         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
1254         * testsuite/30_threads/try_lock/1.cc: Likewise.
1255         * testsuite/30_threads/try_lock/2.cc: Likewise.
1256         * testsuite/30_threads/try_lock/3.cc: Likewise.
1257         * testsuite/30_threads/try_lock/4.cc: Likewise.
1258         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
1259         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
1260         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
1261         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
1262         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
1263         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
1264         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
1265         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
1266         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
1267         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
1268         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
1269         * testsuite/30_threads/unique_lock/requirements/
1270         explicit_instantiation.cc: Likewise.
1271         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
1272
1273         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
1274         directive.
1275         * testsuite/30_threads/async/49668.cc: Likewise.
1276         * testsuite/30_threads/async/54297.cc: Likewise.
1277         * testsuite/30_threads/async/84532.cc: Likewise.
1278         * testsuite/30_threads/async/any.cc: Likewise.
1279         * testsuite/30_threads/async/async.cc: Likewise.
1280         * testsuite/30_threads/async/except.cc: Likewise.
1281         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
1282         * testsuite/30_threads/async/launch.cc: Likewise.
1283         * testsuite/30_threads/async/lwg2021.cc: Likewise.
1284         * testsuite/30_threads/async/sync.cc: Likewise.
1285         * testsuite/30_threads/call_once/39909.cc: Likewise.
1286         * testsuite/30_threads/call_once/49668.cc: Likewise.
1287         * testsuite/30_threads/call_once/60497.cc: Likewise.
1288         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
1289         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
1290         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
1291         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
1292         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
1293         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
1294         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
1295         Likewise.
1296         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
1297         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
1298         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
1299         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
1300         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
1301         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
1302         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
1303         Likewise.
1304         * testsuite/30_threads/condition_variable/requirements/
1305         standard_layout.cc: Likewise.
1306         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
1307         * Likewise.
1308         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
1309         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
1310         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
1311         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
1312         Likewise.
1313         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
1314         Likewise.
1315         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
1316         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1317         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
1318         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
1319         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
1320         * testsuite/30_threads/future/cons/default.cc: Likewise.
1321         * testsuite/30_threads/future/cons/move.cc: Likewise.
1322         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
1323         * testsuite/30_threads/future/members/45133.cc: Likewise.
1324         * testsuite/30_threads/future/members/get.cc: Likewise.
1325         * testsuite/30_threads/future/members/get2.cc: Likewise.
1326         * testsuite/30_threads/future/members/share.cc: Likewise.
1327         * testsuite/30_threads/future/members/valid.cc: Likewise.
1328         * testsuite/30_threads/future/members/wait.cc: Likewise.
1329         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
1330         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
1331         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
1332         Likewise.
1333         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
1334         Likewise.
1335         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1336         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
1337         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
1338         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
1339         * testsuite/30_threads/lock/1.cc: Likewise.
1340         * testsuite/30_threads/lock/2.cc: Likewise.
1341         * testsuite/30_threads/lock/3.cc: Likewise.
1342         * testsuite/30_threads/lock/4.cc: Likewise.
1343         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
1344         * testsuite/30_threads/lock_guard/requirements/
1345         explicit_instantiation.cc: Likewise.
1346         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
1347         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
1348         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
1349         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
1350         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
1351         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
1352         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
1353         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
1354         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
1355         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
1356         Likewise.
1357         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
1358         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
1359         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
1360         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
1361         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
1362         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
1363         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
1364         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
1365         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
1366         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
1367         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
1368         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
1369         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
1370         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1371         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1372         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
1373         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
1374         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
1375         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
1376         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
1377         Likewise.
1378         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
1379         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
1380         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
1381         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
1382         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
1383         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
1384         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
1385         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
1386         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
1387         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
1388         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
1389         * testsuite/30_threads/packaged_task/requirements/
1390         explicit_instantiation.cc: Likewise.
1391         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1392         * testsuite/30_threads/promise/60966.cc: Likewise.
1393         * testsuite/30_threads/promise/69106.cc: Likewise.
1394         * testsuite/30_threads/promise/cons/1.cc: Likewise.
1395         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
1396         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
1397         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
1398         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
1399         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
1400         * testsuite/30_threads/promise/cons/move.cc: Likewise.
1401         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
1402         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
1403         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
1404         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
1405         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
1406         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
1407         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
1408         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
1409         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
1410         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
1411         * testsuite/30_threads/promise/members/swap.cc: Likewise.
1412         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
1413         * Likewise.
1414         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
1415
1416         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
1417         from namespace std.
1418         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
1419         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
1420         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
1421         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
1422         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
1423         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
1424         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
1425         * testsuite/20_util/duration/cons/1.cc: Likewise.
1426         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
1427         * testsuite/20_util/duration/cons/2.cc: Likewise.
1428         * testsuite/20_util/duration/cons/54025.cc: Likewise.
1429         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
1430         * testsuite/20_util/duration/requirements/explicit_instantiation/
1431         explicit_instantiation.cc: Likewise.
1432         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1433         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1434         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1435         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
1436         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
1437         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
1438         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
1439         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
1440         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
1441         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
1442         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
1443         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
1444         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
1445         * testsuite/20_util/system_clock/1.cc: Likewise.
1446         * testsuite/20_util/time_point/1.cc: Likewise.
1447         * testsuite/20_util/time_point/2.cc: Likewise.
1448         * testsuite/20_util/time_point/3.cc: Likewise.
1449         * testsuite/20_util/time_point/requirements/explicit_instantiation/
1450         explicit_instantiation.cc: Likewise.
1451         * testsuite/21_strings/basic_string/requirements/
1452         explicit_instantiation/char16_t/1.cc: Likewise.
1453         * testsuite/21_strings/basic_string/requirements/
1454         explicit_instantiation/char32_t/1.cc: Likewise.
1455         * testsuite/21_strings/basic_string_view/requirements/
1456         explicit_instantiation/char16_t/1.cc: Likewise.
1457         * testsuite/21_strings/basic_string_view/requirements/
1458         explicit_instantiation/char32_t/1.cc: Likewise.
1459         * testsuite/21_strings/char_traits/requirements/
1460         explicit_instantiation/char16_t/1.cc: Likewise.
1461         * testsuite/21_strings/char_traits/requirements/
1462         explicit_instantiation/char32_t/1.cc: Likewise.
1463         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
1464         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
1465         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1466         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
1467         Likewise.
1468         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
1469         Likewise.
1470         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
1471         Likewise.
1472         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1473         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
1474         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
1475         Likewise.
1476         * testsuite/experimental/string_view/requirements/
1477         explicit_instantiation/char16_t/1.cc: Likewise.
1478         * testsuite/experimental/string_view/requirements/
1479         explicit_instantiation/char32_t/1.cc: Likewise.
1480         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
1481         1.cc: Likewise.
1482         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
1483         1.cc: Likewise.
1484
1485         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1486         (random_condition, throw_value_random, throw_allocator_random)
1487         (std::hash<throw_value_random>): Do not define when <tr1/random> is
1488         not usable.
1489         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
1490         define transactional memory support when <stdint.h> is not usable.
1491
1492         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
1493         implementation that doesn't depend on <stdint.h> types.
1494         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
1495         std::size_t when std::uintptr_t is not usable.
1496         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
1497         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
1498         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1499
1500         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1501         (hash<u16string>, hash<u32string>): Remove dependency on
1502         _GLIBCXX_USE_C99_STDINT_TR1.
1503         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1504         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
1505         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
1506         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
1507         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1508         (codecvt<char16_t, char, mbstate_t>)
1509         (codecvt<char32_t, char, mbstate_t>)
1510         (codecvt_byname<char16_t, char, mbstate_t>)
1511         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
1512         on _GLIBCXX_USE_C99_STDINT_TR1.
1513         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1514         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
1515         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1516         (char_traits<char16_t>, char_traits<char32_t>)
1517         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
1518         on _GLIBCXX_USE_C99_STDINT_TR1.
1519         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1520         (u16string_view, u32string_view, hash<u16string_view>)
1521         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1522         (operator""sv(const char32_t, size_t)): Likewise.
1523         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1524         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
1525         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1526         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
1527         (__u32sso_string, __u32rc_string): Likewise.
1528         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
1529         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
1530         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1531         (u16string_view, u32string_view, hash<u16string_view>)
1532         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1533         (operator""sv(const char32_t, size_t)): Likewise.
1534         * src/c++11/codecvt.cc: Likewise.
1535         * src/c++98/locale_init.cc: Likewise.
1536         * src/c++98/localename.cc: Likewise.
1537
1538         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1539         (__atomic_futex_unsigned_base): Remove dependency on
1540         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1541         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1542         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
1543         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
1544         (uintmax_t): Define using predefined macros.
1545         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
1546         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
1547         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
1548         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
1549         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
1550         long long when <stdint.h> is not usable.
1551         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
1552         (condition_variable, condition_variable_any): Remove dependency on
1553         _GLIBCXX_USE_C99_STDINT_TR1.
1554         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
1555         (packaged_task, async): Likewise.
1556         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
1557         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
1558         (once_flag, call_once): Likewise.
1559         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
1560         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
1561         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
1562         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
1563         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
1564         (this_thread::sleep_until): Likewise.
1565         * src/c++11/chrono.cc: Remove dependency on
1566         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1567         * src/c++11/condition_variable.cc: Likewise.
1568         * src/c++11/futex.cc: Likewise.
1569         * src/c++11/future.cc: Likewise.
1570         * src/c++11/mutex.cc: Likewise.
1571         * src/c++11/thread.cc: Likewise.
1572         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
1573         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1574         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1575         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1576         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
1577         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1578
1579 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1580
1581         PR libstdc++/77691
1582         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1583         xfail execution on 32-bit Solaris/x86.
1584
1585 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
1586
1587         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
1588         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
1589         (vector::_M_move_assign): Reorder the swaps.
1590
1591 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1592
1593         PR libstdc++/86676
1594         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
1595         same alignment for post-release allocation.
1596
1597 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
1598
1599         PR libstdc++/86676
1600         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
1601         buffer being misaligned and so returned pointer not being at start.
1602
1603         * include/experimental/memory_resource: Include <cstddef> header.
1604
1605         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
1606         * src/Makefile.am: Add comment.
1607         * src/c++17/Makefile.in: Regenerate.
1608
1609         * include/Makefile.am: Add new <bits/unique_lock.h> header.
1610         * include/Makefile.in: Regenerate.
1611         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
1612         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1613         (unique_lock): Move definition to ...
1614         * include/bits/unique_lock.h: New header.
1615         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
1616         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
1617         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
1618         (unique_lock::try_lock_for): Define only when <chrono> is usable.
1619         * include/std/condition_variable: Include <bits/unique_lock.h>.
1620         * include/std/mutex: Likewise.
1621
1622 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
1623
1624         * config/abi/pre/gnu.ver: Export new symbols.
1625         * configure: Regenerate.
1626         * include/Makefile.am: Add new <memory_resource> header.
1627         * include/Makefile.in: Regenerate.
1628         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
1629         * include/std/memory_resource: New header.
1630         (memory_resource, polymorphic_allocator, new_delete_resource)
1631         (null_memory_resource, set_default_resource, get_default_resource)
1632         (pool_options, monotonic_buffer_resource): Define.
1633         * src/Makefile.am: Add c++17 directory.
1634         * src/Makefile.in: Regenerate.
1635         * src/c++11/Makefile.am: Fix comment.
1636         * src/c++17/Makefile.am: Add makefile for new sub-directory.
1637         * src/c++17/Makefile.in: Generate.
1638         * src/c++17/memory_resource.cc: New.
1639         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
1640         (default_res, new_delete_resource, null_memory_resource)
1641         (set_default_resource, get_default_resource): Define.
1642         * testsuite/20_util/memory_resource/1.cc: New test.
1643         * testsuite/20_util/memory_resource/2.cc: New test.
1644         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
1645         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
1646         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
1647         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
1648         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
1649         New test.
1650         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
1651         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
1652         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
1653         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1654         Define concrete memory resource for testing.
1655         (__gnu_test::default_resource_mgr): Define RAII helper for changing
1656         default resource.
1657
1658         PR libstdc++/86658
1659         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
1660         parameter by reference, to avoid copying invalid iterators.
1661         * testsuite/25_algorithms/copy/86658.cc: New test.
1662
1663         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
1664         local variables for number of digits instead of type aliases.
1665         (__log2p1): Remove redundant branch also checked in __countl_zero.
1666
1667         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
1668         conditions. Add comments.
1669         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
1670         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1671         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
1672
1673         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
1674         (__uses_allocator_helper): Check conditions directly instead of
1675         using __is_erased_or_convertible.
1676
1677         * include/experimental/memory_resource: Adjust comments and
1678         whitespace.
1679         (__resource_adaptor_imp): Add second template parameter for type of
1680         memory resource base class.
1681         (memory_resource): Define default constructor, destructor, copy
1682         constructor and copy assignment operator as defaulted.
1683
1684         PR libstdc++/70966
1685         * include/experimental/memory_resource (__get_default_resource): Use
1686         placement new to create an object with dynamic storage duration.
1687
1688 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
1689
1690         PR libstdc++/70940
1691         * include/experimental/memory_resource
1692         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
1693         (__resource_adaptor_common::__guaranteed_alignment): New helper to
1694         give maximum alignment an allocator guarantees. Specialize for known
1695         allocators using new and malloc.
1696         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
1697         (__resource_adaptor_imp::do_deallocate): Likewise.
1698         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1699         Check that new and delete are called with expected sizes.
1700
1701 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1702
1703         PR libstdc++/86595
1704         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
1705         noexcept.
1706
1707 2018-07-20  Fangrui Song  <maskray@google.com>
1708
1709         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
1710         _GLIBCXX_VISIBILITY(default).
1711
1712 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1713
1714         PR libstdc++/86603
1715         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
1716
1717 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
1718
1719         * include/std/type_traits (__is_member_object_pointer_helper): Use
1720         __not_<is_function<_Tp>>::type instead of integral_constant.
1721         (__is_member_function_pointer_helper): Likewise for
1722         is_function<_Tp>::type.
1723         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
1724         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
1725         (is_trivially_constructible): Remove redundant use of
1726         is_constructible.
1727         (__is_trivially_copy_assignable_impl): Remove redundant use of
1728         is_copy_assignable.
1729         (__is_trivially_move_assignable_impl): Remove redundant use of
1730         is_move_assignable.
1731         (is_trivially_destructible): Use __bool_constant.
1732         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
1733         tests for scalar types.
1734
1735 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
1736
1737         * include/bits/stl_algobase.h (__copy_move_a): Used
1738         __is_trivially_copyable.
1739         (__copy_move_backward_a): Likewise.
1740         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1741         New test.
1742
1743 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
1744
1745         PR libstdc++/86450
1746         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
1747         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
1748         * configure: Regenerate.
1749         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
1750         * doc/Makefile.in: Regenerate.
1751         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
1752         * include/Makefile.in: Regenerate.
1753         * libsupc++/Makefile.in: Regenerate.
1754         * po/Makefile.in: Regenerate.
1755         * python/Makefile.in: Regenerate.
1756         * src/Makefile.in: Regenerate.
1757         * src/c++11/Makefile.in: Regenerate.
1758         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
1759         from -Wabi=2 that don't affect exported symbols.
1760         * src/c++98/Makefile.in: Regenerate.
1761         * src/filesystem/Makefile.in: Regenerate.
1762         * testsuite/Makefile.in: Regenerate.
1763
1764         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
1765         (_Async_state_common::_M_join): Simplify use of std::call_once and
1766         corresponding explicit instantiation.
1767         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
1768         (__bind_simple): Remove definitions and explicit instantiation that
1769         are not required by exported symbols.
1770
1771 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
1772
1773         * scripts/create_testsuite_files: Fix typo in comment.
1774
1775         PR libstdc++/86537
1776         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
1777         non-standard partial specialization.
1778         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
1779         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
1780         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
1781
1782 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
1783
1784         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1785         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1786         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1787
1788 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
1789
1790         * include/debug/functions.h (__gnu_debug::__check_string): Move...
1791         * include/debug/string (__gnu_debug::__check_string): ... here.
1792         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
1793         (__glibcxx_check_string_n_constructor): New.
1794         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
1795         Use latter.
1796         (__glibcxx_check_string_constructor): New.
1797         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
1798         Use latter.
1799         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
1800         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
1801
1802 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
1803
1804         PR libstdc++/84928 use std::move in <numeric> algorithms
1805         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
1806         conditionally move, according to __cplusplus value.
1807         (accumulate, inner_product, partial_sum, adjacent_difference): Use
1808         _GLIBCXX_MOVE_IF_20.
1809         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
1810         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
1811         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
1812         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
1813
1814         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
1815
1816         P0935R0 Eradicating unnecessarily explicit default constructors
1817         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
1818         default constructor symbols.
1819         * include/std/sstream (basic_stringbuf, basic_istringstream)
1820         (basic_ostringstream, basic_stringstream): Remove default arguments
1821         from explicit constructors taking ios_base::openmode and add separate
1822         non-explicit default constructors.
1823         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
1824         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
1825         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
1826         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
1827         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
1828
1829         * include/std/variant (__accepted_index): Use void_t.
1830
1831 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
1832
1833         PR libstdc++/85831
1834         * config/abi/pre/gnu.ver: Export move constructors and move
1835         assignment operators for std::logic_error and std::runtime_error.
1836         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
1837         _GLIBCXX_USE_NOEXCEPT.
1838         (logic_error, runtime_error): Declare move constructors and move
1839         assignment operators. When not declared already, define copy
1840         constructors and copy assignment operators as explicit-defaulted.
1841         (domain_error, invalid_argument, length_error, out_of_range)
1842         (overflow_error, underflow_error): Define move constructors and move
1843         assignment operators as explicitly-defaulted.
1844         * libsupc++/exception.h (exception): Likewise.
1845         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
1846         move constructors and move assignment operators as defaulted.
1847         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
1848         assignment operators are defined.
1849
1850         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
1851         COW strings.
1852         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1853         Likewise.
1854         * testsuite/21_strings/basic_string/requirements/
1855         explicit_instantiation/debug.cc: Likewise.
1856
1857         PR libstdc++/58265
1858         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1859         (basic_string::assign(basic_string&&)): Add conditional noexcept
1860         depending on the allocator's is_always_equal property (LWG 2063).
1861         * testsuite/21_strings/basic_string/modifiers/assign/char/
1862         move_assign.cc: Check for non-throwing exception specification.
1863         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
1864         move_assign.cc: Likewise.
1865
1866         PR libstdc++/58265
1867         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1868         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
1869         Add GLIBCXX_NOEXCEPT.
1870         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
1871         to depend on the allocator's is_always_equal property (LWG 2063).
1872         (basic_string::swap(basic_string&)): Likewise.
1873         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
1874         (basic_string::swap(basic_string&)): Likewise.
1875         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
1876         Check is_nothrow_move_assignable.
1877         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
1878         Check is_nothrow_move_assignable.
1879         * testsuite/21_strings/basic_string/cons/char/
1880         noexcept_move_construct.cc: Likewise.
1881         * testsuite/21_strings/basic_string/cons/wchar_t/
1882         noexcept_move_construct.cc: Likewise.
1883
1884 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1885
1886         P0646R1 Improving the Return Value of Erase-Like Algorithms I
1887         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
1888         Define.
1889         (forward_list::__remove_return_type): Define typedef as size_type or
1890         void, according to __cplusplus value.
1891         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1892         empty, according to __cplusplus value.
1893         (forward_list::remove, forward_list::unique): Use typedef and macro
1894         to change return type and add abi-tag for C++2a.
1895         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
1896         typedef to change return type for C++2a.
1897         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
1898         (forward_list::remove, forward_list::remove_if<Pred>)
1899         (forward_list::unique<BinPred>): Return number of removed elements
1900         for C++2a.
1901         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
1902         (list::remove, list::unique, list::remove_if<Predicate>)
1903         (list::unique<BinaryPredicate>): Return number of removed elements
1904         for C++2a.
1905         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
1906         (list::__remove_return_type): Define typedef as size_type or
1907         void, according to __cplusplus value.
1908         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1909         empty, according to __cplusplus value.
1910         (list::remove, list::unique): Use typedef and macro to change return
1911         type and add abi-tag for C++2a.
1912         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
1913         typedef to change return type for C++2a.
1914         * include/std/version (__cpp_lib_list_remove_return_type): Define.
1915         * testsuite/23_containers/forward_list/operations/
1916         remove_cxx20_return.cc: New.
1917         * testsuite/23_containers/forward_list/operations/
1918         unique_cxx20_return.cc: New.
1919
1920         P0458R2 Checking for Existence of an Element in Associative Containers
1921         * include/bits/stl_map.h (map::contains): Add for C++2a.
1922         * include/bits/stl_multimap.h (multimap::contains): Likewise.
1923         * include/bits/stl_multiset.h (multiset::contains): Likewise.
1924         * include/bits/stl_set.h (set::contains): Likewise.
1925         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
1926         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
1927         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
1928         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
1929         * include/bits/unordered_map.h (unordered_map::contains)
1930         (unordered_multimap::contains): Add for C++2a.
1931         * include/bits/unordered_set.h (unordered_set::contains)
1932         (unordered_multiset::contains): Likewise.
1933         * testsuite/23_containers/map/operations/contains.cc: New.
1934         * testsuite/23_containers/multimap/operations/contains.cc: New.
1935         * testsuite/23_containers/multiset/operations/contains.cc: New.
1936         * testsuite/23_containers/set/operations/contains.cc: New.
1937         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
1938         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
1939         New.
1940         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
1941         New.
1942         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
1943
1944 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
1945
1946         PR libstdc++/86272
1947         * include/debug/string
1948         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
1949         Use __glibcxx_check_insert_range.
1950         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
1951         __gnu_debug::string when _GLIBCXX_DEBUG.
1952         * 21_strings/basic_string/init-list.cc: Likewise.
1953         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
1954         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
1955         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
1956         * 21_strings/basic_string/types/1.cc: Likewise.
1957
1958 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1959
1960         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
1961         target for std::random_device.
1962         * testsuite/26_numerics/random/random_device/cons/default.cc:
1963         Likewise.
1964         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1965         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1966         * testsuite/experimental/random/randint.cc: Likewise.
1967         * testsuite/lib/libstdc++.exp
1968         (check_effective_target_random_device): New proc.
1969
1970 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1971             Jakub Jelinek  <jakub@redhat.com>
1972
1973         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
1974
1975 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1976
1977         PR libstdc++/86398
1978         * include/std/type_traits (is_trivially_constructible): Check
1979         is_constructible before __is_trivially_constructible.
1980         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
1981         tests, including negative cases.
1982         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
1983         zero for dg-error lineno.
1984         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
1985         Likewise.
1986
1987         * include/std/bit (__rotl, __rotr): Avoid branch.
1988         (_If_is_unsigned_integer): Use remove_cv_t.
1989         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
1990
1991 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
1992
1993         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
1994         * include/Makefile.am: Add new header.
1995         * include/Makefile.in: Regenerate.
1996         * include/precompiled/stdc++.h: Include new header.
1997         * include/std/bit: New header.
1998         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
1999         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
2000         Define for C++14.
2001         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
2002         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
2003         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
2004         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
2005         std::byte.
2006         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
2007         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
2008         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
2009         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
2010         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
2011         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
2012         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
2013         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
2014         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
2015         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
2016
2017         * include/bits/alloc_traits.h: Remove redundant preprocessor
2018         condition.
2019
2020 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
2021
2022         * include/bits/stl_algobase.h (__niter_wrap): New.
2023         (__copy_move_a2(_II, _II, _OI)): Use latter.
2024         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
2025         (fill_n(_OI, _Size, const _Tp&)): Likewise.
2026         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
2027         * include/debug/stl_iterator.h
2028         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
2029         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
2030         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
2031         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
2032
2033 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
2034
2035         P0758R1 Implicit conversion traits
2036         * include/std/type_traits [__cplusplus > 201703]
2037         (__is_convertible_helper::__is_nothrow_type): Define new member.
2038         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
2039         noexcept.
2040         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
2041         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
2042         new members.
2043         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
2044         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
2045         * testsuite/20_util/is_nothrow_convertible/requirements/
2046         explicit_instantiation.cc: New.
2047         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
2048         New.
2049
2050         P0887R1 The identity metafunction
2051         * include/std/type_traits (type_identity, type_identity_t): Define
2052         for C++2a.
2053         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
2054         * testsuite/20_util/type_identity/requirements/
2055         explicit_instantiation.cc:New.
2056         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
2057
2058         * include/bits/regex.h (sub_match::operator string_type): Call str().
2059         (sub_match::compare): Use _M_str() instead of str().
2060         (sub_match::_M_compare): New public function.
2061         (sub_match::__string_view): New helper type.
2062         (sub_match::_M_str): New overloaded functions to avoid creating a
2063         string_type object when not needed.
2064         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
2065         Use sub_match::_M_compare instead of creating string_type objects.
2066         Fix Doxygen comments.
2067         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
2068         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
2069         simplify.
2070         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
2071         __enable_if_t.
2072         * include/std/type_traits (__enable_if_t): Define for C++11.
2073         * testsuite/28_regex/sub_match/compare.cc: New.
2074         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
2075         trait.
2076         (input_iterator_wrapper): Use remove_cv for value_type argument of
2077         std::iterator base class.
2078
2079 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
2080
2081         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
2082         Add whitespace to dejagnu directive.
2083         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
2084
2085 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
2086
2087         * include/bits/stl_vector.h
2088         (struct _Vector_base<>::_Vector_impl_data): New.
2089         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
2090         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
2091         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
2092         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
2093         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
2094         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
2095         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
2096         (_Vector_base()): Default.
2097         (_Vector_base(_Vector_base&&)): Default.
2098         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
2099         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
2100         (_Vector_base::_M_create_storage(size_t)): Make protected.
2101         (vector()): Default.
2102         (vector(vector&&)): Default.
2103         (vector(vector&&, const allocator_type&, true_type)): New.
2104         (vector(vector&&, const allocator_type&, false_type)): New.
2105         (vector(vector&&, const allocator_type&)): Use latters.
2106         (vector(_InputIte, _InputIte, const allocator_type&)): Call
2107         _M_range_initialize directly.
2108         * include/debug/vector
2109         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
2110         * testsuite/23_containers/vector/allocator/default_init.cc: New.
2111         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
2112         static assertions.
2113
2114 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
2115
2116         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
2117         (__is_byte<byte>): Define specialization for std::byte.
2118
2119         PR libstdc++/86138
2120         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
2121         Declare explicit instantiations of COW empty reps and I/O functions.
2122
2123 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
2124
2125         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
2126         directives.
2127         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2128
2129 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
2130
2131         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
2132         noexcept.
2133
2134 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
2135
2136         PR libstdc++/86112
2137         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2138         Replace dict comprehension.
2139
2140         PR libstdc++/81092
2141         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2142
2143         PR libstdc++/86292
2144         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
2145         Add try-catch block.
2146         * testsuite/23_containers/vector/cons/86292.cc: New.
2147
2148         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
2149
2150         * include/experimental/algorithm (sample, shuffle): Add new overloads
2151         using per-thread random number engine.
2152         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
2153         dependencies by using __gnu_test::test_container.
2154         * testsuite/experimental/algorithm/sample-2.cc: New.
2155         * testsuite/experimental/algorithm/shuffle.cc: New.
2156
2157 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
2158
2159         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
2160         different size_t mangling on 32-bit targets.
2161
2162         PR libstdc++/86280
2163         * include/experimental/memory_resource
2164         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
2165         enough for result of left shift.
2166
2167         PR libstdc++/86138
2168         * include/bits/basic_string.tcc:
2169         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
2170         (basic_string<char>::_Rep::_S_empty_rep_storage)
2171         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
2172         instantiation declarations.
2173         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
2174         explicit instantiation declarations.
2175         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
2176         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
2177
2178 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
2179
2180         PR libstdc++/83328
2181         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
2182         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
2183         * configure: Regenerate.
2184         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2185         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
2186         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2187         (basic_string::insert(iterator, initializer_list<C>)): Suppress
2188         definition.
2189         * include/debug/string (basic_string::insert(iterator, C)): Change
2190         first parameter to const_iterator.
2191         (basic_string::insert(iterator, size_type, C)): Likewise. Change
2192         return type to iterator.
2193         (basic_string::insert(iterator, InputIterator, InputIterator)):
2194         Likewise.
2195         (basic_string::insert(iterator, initializer_list<C>)): Change first
2196         parameter to const_iterator and return type to iterator.
2197         * src/c++11/string-inst.cc: Extend comment.
2198         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
2199         New.
2200         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
2201         New.
2202         * testsuite/util/testsuite_abi.cc: Add new symbol version.
2203
2204         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2205
2206         PR libstdc++/70940
2207         * include/experimental/memory_resource
2208         (__resource_adaptor_imp::do_deallocate): Add missing return.
2209         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
2210         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2211         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
2212         __gnu_cxx::malloc_allocator.
2213
2214         PR libstdc++/70940
2215         * include/experimental/memory_resource (__resource_adaptor_common):
2216         New base class.
2217         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
2218         pointer from unaligned, and vice versa.
2219         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
2220         allocated pointer to meet alignment request.
2221         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
2222         original pointer for deallocation.
2223         (__resource_adaptor_imp::do_is_equal): Reformat.
2224         (__resource_adaptor_imp::_S_aligned_size): Remove.
2225         (__resource_adaptor_imp::_S_supported): Remove.
2226         (new_delete_resource): Use __gnu_cxx::new_allocator.
2227         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2228         extended alignments and use debug_allocator to check for matching
2229         allocate/deallocate pairs.
2230
2231 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
2232
2233         * include/debug/safe_iterator.h
2234         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
2235         Compare __x base iterator with a value-initialized iterator of the
2236         same type.
2237
2238 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
2239
2240         PR libstdc++/70966
2241         * include/experimental/memory_resource (__resource_adaptor_imp): Add
2242         static assertions to enforce requirements on pointer types.
2243         (__resource_adaptor_imp::get_allocator()): Add noexcept.
2244         (new_delete_resource, null_memory_resource): Return address of an
2245         object with dynamic storage duration.
2246         (__null_memory_resource): Remove.
2247         * testsuite/experimental/memory_resource/70966.cc: New.
2248
2249         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
2250         missed from recent commit.
2251
2252 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
2253
2254         * include/std/utility: Remove unused <exception> header.
2255
2256 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2257
2258         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
2259         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
2260         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
2261         a specialization of std::pair.
2262         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
2263         pair elements are constructed correctly.
2264
2265         LWG 2989 hide path iostream operators from normal lookup
2266         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
2267         friends.
2268         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
2269
2270         LWG 3050 Fix cv-qualification of convertibility constraints
2271         * include/std/chrono (duration, operator*, operator/, operator%): Use
2272         const-qualified type as source type in is_convertible constraints.
2273         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
2274         * testsuite/20_util/duration/cons/dr3050.cc: New.
2275         * testsuite/20_util/duration/literals/range.cc: Rename to...
2276         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
2277         dg-error lineno.
2278
2279 2018-06-18  Maya Rashish  <coypu@sdf.org>
2280
2281         * crossconfig.m4: Handle OpenBSD just like NetBSD.
2282         * configure: Rebuilt.
2283
2284 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2285
2286         P0754R2 <version> header
2287         * include/Makefile.am: Add new header.
2288         * include/Makefile.in: Regenerate.
2289         * include/bits/c++config: Change doxygen comment to suggest <version>
2290         instead of <iosfwd>.
2291         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
2292         unconditionally.  Add C++17 and C++20 headers.
2293         * include/std/version: New header.
2294         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
2295         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
2296         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
2297         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
2298         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
2299         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
2300         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
2301         New.
2302         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
2303         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
2304         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
2305         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
2306         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
2307         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
2308         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
2309         New.
2310         * testsuite/18_support/headers/version/macros.cc: New.
2311         * testsuite/18_support/headers/version/macros.cc: New.
2312
2313         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
2314         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
2315         symlink.
2316         * config.h.in: Regenerate.
2317         * configure: Regenerate.
2318         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
2319
2320         LWG 3035. std::allocator's constructors should be constexpr
2321         * include/bits/allocator.h (allocator): Add constexpr to constructors
2322         for C++2a. Replace dynamic exception specifications with NOTHROW
2323         macro.
2324         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
2325         NOTHROW.
2326         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
2327         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
2328         to constructors for C++2a.
2329         * include/ext/new_allocator.h (new_allocator): Likewise.
2330
2331 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
2332
2333         LWG 3076 basic_string CTAD ambiguity
2334         * doc/xml/manual/intro.xml: Document LWG 3076 change.
2335         * include/bits/basic_string.h
2336         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2337         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
2338         template constrained by _RequireAllocator.
2339         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
2340         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
2341         Define.
2342         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2343         deduction
2344         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2345         Likewise.
2346
2347 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
2348
2349         PR libstdc++/86169
2350         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2351         (basic_string::data()): Unshare string.
2352         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
2353         New.
2354
2355         * include/std/string_view (basic_string_view(const CharT*)): Remove
2356         check for null pointer and add nonnull attribute.
2357         (compare(const CharT*), compare(size_type, size_type, const CharT*))
2358         (find(const CharT*, size_type), rfind(const CharT*, size_type))
2359         (find_first_of(const CharT*, size_type))
2360         (find_last_of(const CharT*, size_type))
2361         (find_first_not_of(const CharT*, size_type))
2362         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
2363         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
2364         * testsuite/21_strings/basic_string_view/operations/compare/char/
2365         nonnull.cc: New.
2366         * testsuite/21_strings/basic_string_view/operations/find/char/
2367         nonnull.cc: New.
2368         * testsuite/21_strings/basic_string_view/operations/rfind/char/
2369         nonnull.cc: New.
2370
2371         PR libstdc++/86168
2372         * include/bits/random.h (random_device(const string&)): Remove
2373         default argument.
2374
2375         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
2376         define for C++17 and above.
2377
2378         LWG 2993 reference_wrapper<T> conversion from T&&
2379         * doc/xml/manual/intro.xml: Document LWG 2993 change.
2380         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
2381         (reference_wrapper(_Tp&&)): Remove.
2382         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
2383         template.
2384         (reference_wrapper): Add deduction guide.
2385         * testsuite/20_util/reference_wrapper/deduction.cc: New.
2386         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
2387
2388         LWG 3039 Unnecessary decay in thread and packaged_task
2389         * include/std/future (__constrain_pkgdtask): Replace with ...
2390         (packaged_task::__not_same): New alias template, using
2391         __remove_cvref_t instead of decay.
2392         * include/std/thread (thread::__not_same): Add comment.
2393
2394 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
2395
2396         LWG 3075 basic_string needs deduction guides from basic_string_view
2397         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2398         deduction from string views.
2399         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2400         Likewise.
2401
2402         LWG 3074 make scalar types non-deduced in valarray non-member functions
2403         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
2404         scalar parameters to be a non-deduced context.
2405         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
2406         whitespace.
2407         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
2408         * testsuite/26_numerics/valarray/transcend.cc: New.
2409
2410         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
2411         Move back to <utility>.
2412         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
2413         Restore to here.
2414
2415         P0935R0 Eradicating unnecessarily explicit default constructors
2416         * include/backward/strstream (strstreambuf): Add non-explicit default
2417         constructor.
2418         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
2419         Likewise.
2420         * include/bits/regex.h (match_results): Likewise.
2421         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
2422         default constructor.
2423         * testsuite/22_locale/conversions/string/1.cc: Likewise.
2424         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
2425         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
2426
2427         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
2428         macro from <utility> and change type to long.
2429         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
2430         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
2431         macro.
2432
2433         P0935R0 Eradicating unnecessarily explicit default constructors
2434         * include/bits/random.h (uniform_real_distribution::param_type)
2435         (normal_distribution::param_type, lognormal_distribution::param_type)
2436         (gamma_distribution::param_type, chi_squared_distribution::param_type)
2437         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
2438         (student_t_distribution::param_type)
2439         (bernoulli_distribution::param_type)
2440         (binomial_distribution::param_type)
2441         (geometric_distribution::param_type)
2442         (negative_binomial_distribution::param_type)
2443         (poisson_distribution::param_type)
2444         (exponential_distribution::param_type)
2445         (weibull_distribution::param_type)
2446         (extreme_value_distribution::param_type): Add non-explicit default
2447         constructors. Remove default argument for first parameter of explicit
2448         constructors.
2449         * include/bits/uniform_int_dist.h
2450         (uniform_int_distribution::param_type): Likewise.
2451         * include/ext/random
2452         (beta_distribution::param_type, rice_distribution::param_type)
2453         (nakagami_distribution::param_type, pareto_distribution::param_type)
2454         (k_distribution::param_type, arcsine_distribution::param_type)
2455         (hoyt_distribution::param_type, triangular_distribution::param_type)
2456         (von_mises_distribution::param_type)
2457         (hypergeometric_distribution::param_type)
2458         (logistic_distribution::param_type)
2459         (uniform_inside_sphere_distribution::param_type): Likewise.
2460         (uniform_on_sphere_distribution::param_type): Make default constructor
2461         non-explicit.
2462         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2463         Test param_type for non-explicit default constructor.
2464         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2465         Likewise.
2466         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2467         Likewise.
2468         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2469         Likewise.
2470         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2471         Likewise.
2472         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2473         Likewise.
2474         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2475         Likewise.
2476         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2477         Likewise.
2478         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2479         Likewise.
2480         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2481         Likewise.
2482         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2483         Likewise.
2484         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2485         Likewise.
2486         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2487         Likewise.
2488         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2489         Likewise.
2490         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2491         Likewise.
2492         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2493         Likewise.
2494         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2495         Likewise.
2496         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2497         Likewise.
2498         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2499         Likewise.
2500         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2501         Likewise.
2502         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2503         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2504         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2505         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2506         Likewise.
2507         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2508         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2509         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2510         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2511         Likewise.
2512         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2513         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2514         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2515         Likewise.
2516         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2517         Likewise.
2518         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2519         Likewise.
2520         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2521         Likewise.
2522
2523 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
2524             Jonathan Wakely  <jwakely@redhat.com>
2525
2526         PR libstdc++/83982
2527         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
2528         Default-construct new elements before moving existing ones.
2529         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
2530         New.
2531
2532 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
2533
2534         PR libstdc++/86127
2535         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
2536         unused typedef.
2537         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
2538         Use node allocator to create and destroy elements.
2539         (forward_list::_Tp_alloc_type): Remove unused typedef.
2540         (forward_list::_Alloc_traits): Use allocator_traits instead of
2541         __gnu_cxx::__alloc_traits.
2542
2543 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
2544
2545         * include/debug/helper_functions.h
2546         (__gnu_debug::_Safe_iterator<>): Add declaration.
2547         (__can_advance(_Ite, _Size)): New.
2548         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
2549         * include/debug/functions.h
2550         (__gnu_debug::_Safe_iterator<>): Remove declaration.
2551         * include/debug/stl_iterator.h
2552         (__can_advance(const _Safe_iterator<>&)): New definition.
2553         * include/debug/stl_iterator.h
2554         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
2555         (__can_advance(const std::move_iterator<>&, _Size)): New.
2556         * include/debug/macros.h (__glibcxx_check_can_increment): New.
2557         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
2558         * include/bits/stl_algobase.h (fill_n): Use latter.
2559         * testsuite/25_algorithms/fill_n/2.cc: New.
2560         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
2561         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
2562         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
2563         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
2564
2565         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
2566         (__glibcxx_requires_can_decrement_range): New.
2567
2568 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
2569
2570         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
2571         (__glibcxx_check_can_decrement_range): New.
2572         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
2573         __glibcxx_requires_can_increment_range.
2574         (std::move(_II, _II, _OI)): Likewise.
2575         (std::copy_backward(_BI, _BI, _BI2)): Use
2576         __glibcxx_requires_can_decrement_range.
2577         (std::move_backward(_BI, _BI, _BI2)): Likewise.
2578         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
2579         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
2580         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
2581         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
2582         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
2583         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
2584
2585 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
2586
2587         P0935R0 Eradicating unnecessarily explicit default constructors
2588         * include/bits/random.h (linear_congruential_engine)
2589         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
2590         (uniform_real_distribution, normal_distribution)
2591         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
2592         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
2593         (bernoulli_distribution, binomial_distribution,geometric_distribution)
2594         (negative_binomial_distribution, exponential_distribution)
2595         (weibull_distribution, extreme_value_distribution): Add non-explicit
2596         default constructors. Remove default argument for first parameter of
2597         explicit constructors.
2598         (piecewise_constant_distribution, piecewise_linear_distribution):
2599         Make default constructor non-explicit.
2600         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
2601         non-explicit default constructors. Remove default argument for first
2602         parameter of explicit constructor.
2603         * include/ext/random
2604         (simd_fast_mersenne_twister_engine, beta_distribution)
2605         (rice_distribution, nakagami_distribution, pareto_distribution)
2606         (k_distribution, arcsine_distribution, hoyt_distribution)
2607         (triangular_distribution, von_mises_distribution)
2608         (hypergeometric_distribution, logistic_distribution)
2609         (uniform_inside_sphere_distribution): Likewise.
2610         (uniform_on_sphere_distribution): Make default constructor
2611         non-explicit.
2612         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2613         Test for non-explicit default constructor. Fix references to standard.
2614         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2615         Likewise.
2616         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2617         Likewise.
2618         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2619         Likewise.
2620         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2621         Likewise.
2622         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2623         Likewise.
2624         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2625         Likewise.
2626         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2627         Likewise.
2628         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2629         Likewise.
2630         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2631         Likewise.
2632         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2633         Likewise.
2634         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2635         Likewise.
2636         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2637         Likewise.
2638         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2639         Likewise.
2640         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2641         Likewise.
2642         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2643         Likewise.
2644         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2645         Likewise.
2646         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2647         Likewise.
2648         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2649         Likewise.
2650         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2651         Likewise.
2652         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2653         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2654         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2655         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2656         Likewise.
2657         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2658         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2659         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2660         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2661         Likewise.
2662         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2663         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2664         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2665         Likewise.
2666         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2667         Likewise.
2668         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2669         Likewise.
2670         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2671         Likewise.
2672         * testsuite/util/testsuite_common_types.h
2673         (implicitly_default_constructible): New helper.
2674
2675 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
2676
2677         * include/bits/ios_base.h (ios::Init::Init(const Init&))
2678         (ios::Init::operator=): Define as defaulted.
2679         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
2680         Likewise.
2681         * include/bits/stream_iterator.h (istream_iterator::operator=)
2682         (ostream_iterator::operator=): Likewise.
2683         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
2684         Likewise.
2685         * include/std/bitset (bitset::reference::reference(const reference&)):
2686         Likewise.
2687         * include/std/complex (complex<float>::complex(const complex&))
2688         (complex<double>::complex(const complex&))
2689         (complex<long double>::complex(const complex&)): Likewise.
2690
2691 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
2692
2693         * include/bits/regex.h (sub_match): Add noexcept to default
2694         constructor and length observer.
2695         (match_results): Add noexcept to default constructor and observers
2696         with no preconditions. Define destructor as defaulted.
2697         (operator==, operator!=, swap): Add noexcept.
2698         (regex_iterator): Add default member initializers and define default
2699         constructor and destructor as defaulted. Add noexcept to equality
2700         and dereference operators.
2701
2702 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
2703
2704         * src/c++11/debug.cc
2705         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
2706         (_Safe_iterator_base::_M_detach_single()): Likewise.
2707         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
2708         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
2709
2710 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2711
2712         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
2713         move of const value.
2714
2715 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
2716
2717         PR c++/86068
2718         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
2719         rather than __cpp_transactional_memory >= 201505L.
2720
2721 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2722
2723         PR libstdc++/86008
2724         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
2725         Define new partial specialization.
2726         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
2727         new overload.
2728         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
2729         value not reference for iteration.
2730         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
2731         comment.
2732         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
2733         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
2734         comment.
2735
2736 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
2737
2738         * include/std/type_traits: Fix comment typos.
2739
2740         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
2741         mingw* targets.
2742         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2743         * testsuite/experimental/filesystem/operations/read_symlink.cc:
2744         Likewise.
2745
2746 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
2747
2748         * include/bits/stl_tempbuf.h
2749         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
2750         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
2751         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
2752         * include/bits/stl_algo.h (__stable_partition): Adapt.
2753         (__inplace_merge): Adapt.
2754         (__stable_sort): Adapt.
2755
2756 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
2757
2758         PR libstdc++/85930
2759         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
2760         unconditionally. Remove redundant declaration.
2761         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
2762         alignment-specifier.
2763
2764         * include/bits/postypes.h (fpos): Define special members as defaulted.
2765
2766         PR libstdc++/85930
2767         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
2768         the static variable correctly.
2769
2770 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2771
2772         PR libstdc++/78870 support std::filesystem on Windows
2773         * config.h.in: Regenerate.
2774         * configure: Regenerate.
2775         * configure.ac: Check for link, readlink and symlink.
2776         * include/bits/fs_path.h (path::operator/=(const path&)): Move
2777         definition out of class body.
2778         (path::is_absolute(), path::_M_append(path)): Likewise.
2779         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
2780         (operator>>(basic_istream, path&)): Likewise.
2781         (u8path): Reorder definitions and fix Windows implementation.
2782         (path::is_absolute()): Define inline and fix for Windows.
2783         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2784         Define POSIX version inline.
2785         (path::_M_append(path)): Define inline.
2786         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
2787         definition out of class body.
2788         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
2789         escape characters.
2790         (operator>>(basic_istream, path&)): Likewise.
2791         (path::is_absolute()): Define inline and fix for Windows.
2792         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
2793         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
2794         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
2795         Define as adaptors for Windows functions/types or as
2796         using-declarations for POSIX functions/types.
2797         (_Dir_base, get_file_type): Qualify names to use declarations from
2798         __gnu_posix namespace.
2799         (_Dir_base::is_dor_or_dotdot): New helper functions.
2800         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
2801         names to use declarations from __gnu_posix namespace.
2802         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
2803         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
2804         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
2805         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
2806         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
2807         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
2808         Define as adaptors for Windows functions/types or as
2809         using-declarations for POSIX functions/types.
2810         (stat_type, do_copy_file): Qualify names to use declarations from
2811         __gnu_posix namespace.
2812         (do_space): Declare new function.
2813         (make_file_type): Only use S_ISLNK if defined.
2814         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
2815         path::value_type not char.
2816         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2817         names to use declarations from __gnu_posix namespace.
2818         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2819         add implementation for Windows.
2820         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2821         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2822         [!_PC_PATH_MAX]: Don't use pathconf.
2823         [PATH_MAX]: Use if defined.
2824         (filesystem::current_path(const path&, error_code&))
2825         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2826         (filesystem::last_write_time, filesystem::permissions): Use names
2827         from __gnu_posix.
2828         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2829         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2830         implementation for Windows.
2831         (filesystem::rename, filesystem::resize_file): Use names from
2832         __gnu_posix.
2833         (filesystem::space): Use do_space.
2834         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
2835         (filesystem::status, filesystem::symlink_status): Use names from
2836         __gnu_posix.
2837         (filesystem::temp_directory_path): Add implementation for Windows.
2838         * src/filesystem/path.cc (dot): Define constant.
2839         (path::replace_extension): Use dot.
2840         (path::_M_find_extension): Likewise. Use path::string_type not
2841         std::string.
2842         (path::_M_split_cmpts): Use dot.
2843         (filesystem_error::_M_get_what): Use u8string() not native().
2844         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
2845         Qualify names to use declarations from __gnu_posix namespace.
2846         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
2847         correct error_code.
2848         (filesystem::absolute(const path&, error_code&)): Add implementation
2849         for Windows.
2850         (char_ptr, filesystem::canonical): Use path::value_type not char.
2851         (do_copy_file): Use names from __gnu_posix.
2852         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
2853         sendfile.
2854         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2855         names to use declarations from __gnu_posix namespace.
2856         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2857         add implementation for Windows.
2858         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2859         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2860         [!_PC_PATH_MAX]: Don't use pathconf.
2861         [PATH_MAX]: Use if defined.
2862         (filesystem::current_path(const path&, error_code&))
2863         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2864         (filesystem::last_write_time, filesystem::permissions): Use names
2865         from __gnu_posix.
2866         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2867         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2868         implementation for Windows.
2869         (filesystem::rename, filesystem::resize_file): Use names from
2870         __gnu_posix.
2871         (do_space): Define.
2872         (filesystem::space): Use do_space.
2873         (filesystem::status, filesystem::symlink_status): Use names from
2874         __gnu_posix.
2875         (filesystem::temp_directory_path): Add implementation for Windows.
2876         * src/filesystem/std-path.cc
2877         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2878         Define for Windows.
2879         (dot): Define constant.
2880         (path::replace_extension, is_dot): Use dot.
2881         (path::lexically_normal): Check _M_type instead of calling
2882         non-existent function.
2883         (path::_M_find_extension): Use dot. Use path::string_type not
2884         std::string.
2885         (path::_M_split_cmpts): Use dot.
2886         (filesystem_error::_M_get_what): Use u8string() not native().
2887         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
2888         use symlinks.
2889         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2890         Likewise.
2891         * testsuite/27_io/filesystem/operations/absolute.cc: Use
2892         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
2893         * testsuite/27_io/filesystem/operations/canonical.cc: Use
2894         path::string() to get narrow string, not path::native().
2895         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
2896         with std::filesystem::path not std::basic_string.
2897         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2898         * testsuite/27_io/filesystem/operations/exists.cc: Use
2899         __gnu_test::root_path() instead of "/".
2900         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
2901         fstreams with std::filesystem::path not std::basic_string.
2902         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
2903         path::string() to get narrow string.
2904         * testsuite/27_io/filesystem/operations/space.cc: Check results for
2905         errors, expect sensible values otherwise.
2906         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
2907         helpers for adjusting the environment on Windows.
2908         * testsuite/27_io/filesystem/path/append/path.cc: Test
2909         Windows-specific behaviour.
2910         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
2911         of path::string_type objects.
2912         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
2913         string to wide string on Windows.
2914         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
2915         for backslash as root-directory.
2916         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
2917         path::string() to get narrow string.
2918         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
2919         paths.
2920         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
2921         not std::string.
2922         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
2923         different definintion of absolute paths on Windows.
2924         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2925         Do not use symlinks.
2926         * testsuite/experimental/filesystem/operations/absolute.cc: Test
2927         Windows behaviour.
2928         * testsuite/experimental/filesystem/operations/copy.cc: Construct
2929         fstreams with NTCTS not std::basic_string.
2930         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
2931         * testsuite/experimental/filesystem/operations/exists.cc: Use
2932         __gnu_test::root_path() instead of "/".
2933         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
2934         fstreams with NTCTS not std::basic_string.
2935         * testsuite/experimental/filesystem/operations/last_write_time.cc:
2936         Use path::string() to get narrow string.
2937         * testsuite/experimental/filesystem/operations/space.cc: Use
2938         __gnu_test::root_path() instead of "/".
2939         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
2940         Add helpers for adjusting the environment on Windows.
2941         * testsuite/experimental/filesystem/path/append/path.cc: Use
2942         path::string() to get narrow strings for comparisons.
2943         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
2944         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
2945         Likewise.
2946         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
2947         * testsuite/experimental/filesystem/path/native/string.cc: Use
2948         string_type not std::string.
2949         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
2950         Adjust for different definintion of absolute paths on Windows.
2951         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
2952         function.
2953         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
2954         std::basic_string.
2955
2956 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
2957
2958         PR libstdc++/85951
2959         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
2960         uint_least16_t and uint_least32_t.
2961         (__make_unsigned<wchar_t>): Define unconditionally.
2962         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
2963         typedefs.
2964         (__make_unsigned_selector_base): New type to provide helper templates.
2965         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
2966         __make_unsigned_selector_base helpers.
2967         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
2968         (__make_signed_selector<_Tp, true, false>): Remove intermediate
2969         typedefs.
2970         (__make_signed<wchar_t>, __make_signed<char16_t>)
2971         (__make_signed<char32_t>)): Define unconditionally.
2972         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
2973         wchar_t, char16_t and char32_t are transformed correctly.
2974         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
2975         dg-error lineno.
2976         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
2977         wchar_t, char16_t and char32_t are transformed correctly.
2978         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
2979         dg-error lineno.
2980
2981 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
2982
2983         * include/std/variant (__erased_dtor): Qualify call to __get.
2984
2985 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
2986
2987         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
2988         (_Rb_tree(const allocator_type&)): Use latter.
2989         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
2990         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
2991         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
2992         * include/bits/stl_multimap.h
2993         (multimap(const allocator_type&)): Likewise.
2994         (multimap(initializer_list<value_type>, const allocator_type&)):
2995         Likewise.
2996         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
2997         Likewise.
2998         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
2999         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
3000         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3001         * include/bits/stl_multiset.h
3002         (multiset(const allocator_type&)): Likewise.
3003         (multiset(initializer_list<value_type>, const allocator_type&)):
3004         Likewise.
3005         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
3006         Likewise.
3007
3008 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
3009
3010         PR libstdc++/85768
3011         * src/c++11/debug.cc: Remove backtrace usage.
3012
3013 2018-05-24  Maya Rashish  <coypu@sdf.org>
3014
3015         PR target/85904
3016         * crossconfig.m4: Test for aligned_alloc on netbsd.
3017         * configure: Regenerate.
3018
3019 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3020
3021         PR libstdc++/69769
3022         PR libstdc++/85886
3023         * include/bits/atomic_base.h (__atomic_base::value_type)
3024         (__atomic_base::difference_type): Add new typedefs.
3025         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
3026         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
3027         (atomic<T*>::operator++, atomic<T*>::operator--)
3028         (atomic<T*>::operator+=, atomic<T*>::operator-=)
3029         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
3030         to enforce C++17 requirement on pointer arithmetic.
3031         (__atomic_val_t, __atomic_diff_t): New alias templates.
3032         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
3033         (atomic_compare_exchange_weak_explicit)
3034         (atomic_compare_exchange_strong_explicit, atomic_store)
3035         (atomic_exchange, atomic_compare_exchange_weak)
3036         (atomic_compare_exchange_strong): Use __atomic_val_t to make
3037         scalar parameters be non-deduced contexts.
3038         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3039         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
3040         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
3041         parameters.
3042         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
3043         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
3044         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
3045         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3046         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
3047         address types.
3048         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
3049         * testsuite/29_atomics/atomic/69769.cc: New test.
3050         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
3051         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
3052         Disable test for C++17 and later.
3053         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
3054         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
3055         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
3056         test.
3057
3058 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
3059
3060         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
3061         template to alias template.
3062         (path::__value_type_is_char): Use remove_const_t.
3063         (path:_S_string_from_iter): New helper function.
3064         (path::_S_convert(InputIter, __null_terminated))
3065         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3066         Use _S_string_from_iter.
3067         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
3068         rep for COW strings.
3069         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3070         Change from class template to alias template.
3071         (path::__value_type_is_char): Use remove_const.
3072         (path:_S_string_from_iter): New helper function.
3073         (path::_S_convert(InputIter, __null_terminated))
3074         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3075         Use _S_string_from_iter.
3076         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
3077         wide strings.
3078         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
3079         string equality, not path equivalence.
3080         * testsuite/27_io/filesystem/path/construct/format.cc: Check
3081         construction from std::string and std::wstring and input iterators.
3082         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
3083         construction from iterators.
3084         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
3085         exact string equality, not path equivalence.
3086         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
3087         construction from iterators.
3088
3089         * include/bits/fs_path.h (path::_M_type): Change default member
3090         initializer to _Filename.
3091         (path::begin): Create past-the-end iterator for empty path.
3092         * src/filesystem/std-path.cc (path::remove_filename()): Remove
3093         debugging check.
3094         (path::has_relative_path()): Return false for empty filenames.
3095         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
3096         Fix offset of empty final component.
3097         * testsuite/27_io/filesystem/path/itr/components.cc: New.
3098         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
3099
3100 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3101
3102         Add support for opening file streams from wide character strings.
3103         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
3104         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3105         Define new overload.
3106         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
3107         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3108         Declare new overload.
3109         * configure.ac: Check for _wfopen.
3110         * crossconfig.m4: Likewise.
3111         * configure: Regenerate.
3112         * config.h.in: Regenerate.
3113         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
3114         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3115         Define new overload.
3116         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
3117         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3118         Declare new overload.
3119         [_GLIBCXX_HAVE__WFOPEN]
3120         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3121         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
3122         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3123         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
3124         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3125         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
3126         new overloads.
3127         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
3128         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
3129         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
3130         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
3131         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
3132         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
3133         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
3134
3135 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
3136
3137         PR libstdc++/85845
3138         * include/bits/stl_tree.h
3139         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
3140         qualification.
3141
3142 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3143
3144         * src/filesystem/std-ops.cc (absolute): Report an error for empty
3145         paths.
3146         (weakly_canonical(const path&)): Do not call canonical on empty path.
3147         (weakly_canonical(const path&, error_code&)): Likewise.
3148         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
3149
3150         PR libstdc++/85818
3151         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
3152         dg-require-filesystem-ts.
3153
3154         PR libstdc++/85843
3155         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
3156         initialize base class to avoid warnings.
3157
3158 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
3159
3160         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
3161         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
3162         little_endian element in bitmask.
3163         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
3164         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
3165
3166 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
3167
3168         * include/bits/stl_tree.h
3169         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
3170         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
3171         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
3172         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
3173         * include/debug/map.h
3174         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
3175         * include/debug/multimap.h
3176         (multimap(multimap&&, const_allocator_type&)): Likewise.
3177         * include/debug/set.h
3178         (set(set&&, const_allocator_type&)): Likewise.
3179         * include/debug/multiset.h
3180         (multiset(multiset&&, const_allocator_type&)): Likewise.
3181         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
3182         Add checks.
3183         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
3184         Add checks.
3185         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
3186         Add checks.
3187         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
3188         Add checks.
3189         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
3190         Add checks.
3191         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
3192         Add checks.
3193         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
3194         Add checks.
3195         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
3196         Add checks.
3197
3198 2018-05-18  Jason Merrill  <jason@redhat.com>
3199
3200         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
3201         for conversion to const_iterator.  Add defaulted copy ops.
3202         * libsupc++/new (bad_alloc): Add defaulted copy ops.
3203         * libsupc++/exception.h (exception): Add defaulted copy ops.
3204         * include/std/system_error (system_error): Add defaulted copy ops.
3205         * include/std/stdexcept (domain_error, invalid_argument)
3206         (length_error, out_of_range, range_error, overflow_error)
3207         (underflow_error): Add defaulted copy ops.
3208         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
3209         copy assignment.
3210         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
3211         * include/ext/throw_allocator.h (condition_base): Add defaulted
3212         default and copy ctor and copy assignment.
3213
3214 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
3215
3216         PR libstdc++/85098
3217         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
3218         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
3219         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
3220         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
3221         definitions.
3222         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
3223         whitespace.
3224         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
3225         braces around body of do-while.
3226         * testsuite/28_regex/basic_regex/85098.cc: New
3227
3228 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
3229
3230         PR libstdc++/85818
3231         * src/filesystem/path.cc (path::preferred_separator): Add used
3232         attribute.
3233         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
3234
3235         PR libstdc++/85812
3236         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
3237         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
3238         Refactor to separate non-throwing and throwing implementations.
3239         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
3240         if constructing the object throws.
3241
3242 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
3243
3244         PR libstdc++/85749
3245         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
3246         (linear_congruential_engine, mersenne_twister_engine)
3247         (subtract_with_carry_engine, discard_block_engine)
3248         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
3249         constrain function templates taking seed sequences.
3250         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
3251         (mersenne_twister_engine::seed(_Sseq&))
3252         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
3253         match declarations.
3254         * include/ext/random (simd_fast_mersenne_twister_engine): Use
3255         __is_seed_seq to constrain function templates taking seed sequences.
3256         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
3257         Change return type to match declaration.
3258         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
3259         New.
3260         * testsuite/26_numerics/random/independent_bits_engine/cons/
3261         seed_seq2.cc: New.
3262         * testsuite/26_numerics/random/linear_congruential_engine/cons/
3263         seed_seq2.cc: New.
3264         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
3265         seed_seq2.cc: New.
3266         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
3267         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
3268         New.
3269         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
3270         seed_seq2.cc: New.
3271         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
3272         seed_seq2.cc: New.
3273
3274         PR libstdc++/83891
3275         * include/bits/fs_path.h (path::is_absolute()): Use same definition
3276         for all operating systems.
3277         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
3278         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
3279         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
3280         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
3281
3282         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
3283         unused <vector> header.
3284         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3285         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3286         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3287         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3288         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
3289         Likewise.
3290         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3291         Likewise.
3292         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3293         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3294         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3295         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3296         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3297         Likewise.
3298         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3299         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3300         Likewise.
3301         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3302         Likewise.
3303         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3304         Likewise.
3305         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3306         Likewise.
3307         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3308         Likewise.
3309         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3310         Likewise.
3311         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3312         Likewise.
3313         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3314         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3315         Likewise.
3316
3317         PR libstdc++/84159
3318         * include/bits/fs_path.h (path::operator/=, path::append): Construct
3319         temporary path before calling _M_append.
3320         (path::_M_append): Change parameter to path and implement C++17
3321         semantics.
3322         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
3323         and more examples from the standard.
3324         * testsuite/27_io/filesystem/path/append/source.cc: New.
3325         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
3326         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
3327
3328         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
3329         __invoke to prevent ADL.
3330
3331 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
3332
3333         PR libstdc++/81256
3334         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
3335         exceptions from _M_terminate_output().
3336         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
3337         exceptions from close().
3338         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
3339
3340         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
3341         (__valarray_get_storage): Call operator new directly. Remove ignored
3342         top-level restrict qualifier and add malloc attribute instead.
3343         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
3344
3345         PR libstdc++/67554
3346         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
3347         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
3348
3349         PR libstdc++/82966
3350         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
3351         instead of type.
3352         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
3353
3354 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3355
3356         PR libstdc++/80165
3357         * testsuite/20_util/variant/80165.cc: New.
3358
3359 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3360
3361         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
3362         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
3363         of C++11 containers with Debug Mode support.
3364         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
3365         * doc/html/*: Regenerate.
3366
3367 2018-05-10  Jason Merrill  <jason@redhat.com>
3368
3369         * include/bits/regex_compiler.h (_S_cache_size): Change from
3370         function to variable.
3371
3372 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
3373
3374         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
3375         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
3376         argument defaulted to +1.  Doxy comments on same.
3377         * testsuite/special_functions/02_assoc_legendre/
3378         check_value.cc: Regen.
3379         * testsuite/tr1/5_numerical_facilities/special_functions/
3380         02_assoc_legendre/check_value.cc: Regen.
3381
3382 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3383
3384         PR libstdc++/85729
3385         * include/bits/c++config.h (__replacement_assert): Add linkage
3386         specification.
3387         * include/bits/std_abs.h: Add comment to closing brace of block.
3388         * include/c_global/cstddef: Add linkage specification.
3389         * include/c_global/cstring: Likewise.
3390         * include/c_global/cwchar: Likewise.
3391
3392 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
3393
3394         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
3395         Rename in...
3396         (_Safe_iterator<>::_S_constant()): ...that.
3397         * include/debug/safe_local_iterator.h
3398         (_Safe_local_iterator<>::_M_constant()): Rename in...
3399         (_Safe_local_iterator<>::_S_constant()): ...that.
3400         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
3401         (_Iterator_state::__rbegin): New.
3402         (_Iterator_state::__rmiddle): New.
3403         (_Iterator_state::__rend): New.
3404         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
3405         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
3406         iterator type.
3407         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
3408         _Is_iterator)): Likewise.
3409         (_Parameter::_S_reverse_state(_Iterator_state)): New.
3410         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
3411         _Is_iterator)): New.
3412         (_Parameter(std::reverse_iterator<> const&, const char*,
3413         _Is_iterator)): New.
3414         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
3415         const char*, _Is_iterator)): New.
3416         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
3417         New.
3418         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
3419         _Is_iterator)): New.
3420         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
3421         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
3422         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
3423
3424 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
3425
3426         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
3427         Use constexpr if in C++17 mode.
3428         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
3429         Copy from const object.
3430         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
3431
3432 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
3433
3434         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
3435         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
3436         backtrace.
3437
3438         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
3439         * include/debug/functions.h (__check_valid_range): Use latter.
3440         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
3441         use latter.
3442         * include/debug/deque
3443         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3444         * include/debug/forward_list
3445         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
3446         Likewise.
3447         * include/debug/list
3448         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3449         * include/debug/list
3450         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3451         * include/debug/map.h
3452         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3453         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3454         Likewise.
3455         * include/debug/multimap.h
3456         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3457         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
3458         const _Alloc&)): Likewise.
3459         * include/debug/set.h
3460         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3461         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3462         Likewise.
3463         * include/debug/multiset.h
3464         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3465         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
3466         const _Alloc&)): Likewise.
3467         * include/debug/string
3468         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
3469         Likewise.
3470         * include/debug/unordered_map
3471         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
3472         Likewise.
3473         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
3474         const _Alloc&)): Likewise.
3475         * include/debug/unordered_set
3476         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
3477         Likewise.
3478         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
3479         const _Alloc&)): Likewise.
3480         * include/debug/vector
3481         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3482
3483         * include/debug/formatter.h (_Error_formatter::_M_function): New.
3484         (_Error_formatter(const char*, unsigned int)): Adapt.
3485         (_Error_formatter::_M_at): Rename in...
3486         (_Error_formatter::_S_at): ...that and adapt.
3487         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
3488         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
3489         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
3490         when available.
3491
3492 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
3493
3494         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
3495         Use normal std::vector even in Debug Mode.
3496
3497         PR libstdc++/85672
3498         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
3499         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
3500         * include/Makefile.in: Regenerate.
3501         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
3502         within conditional block.
3503
3504 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
3505
3506         * doc/xml/manual/using.xml (table.cmd_options): Document that the
3507         C++17 Filesystem implementation also needs -lstdc++fs.
3508
3509         PR libstdc++/85671
3510         * include/bits/fs_path.h (operator/): Permit copy elision.
3511         * include/experimental/bits/fs_path.h (operator/): Likewise.
3512
3513 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
3514
3515         Moar PR libstdc++/80506
3516         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
3517         Fix magic number used in loop condition.
3518
3519 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
3520
3521         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
3522         * include/std/optional (_Optional_payload): Add noexcept to default
3523         constructor. Re-indent.
3524         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
3525         constructor for copying disengaged payloads.
3526         (_Optional_payload<_Tp, true, false, true>): Likewise.
3527         (_Optional_payload<_Tp, true, true, false>): Likewise.
3528         (_Optional_payload<_Tp, true, false, false>): Likewise.
3529         * testsuite/20_util/optional/cons/85642.cc: New.
3530         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
3531
3532 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
3533
3534         PR libstdc++/82644
3535         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
3536         inline definitions instead of using-declarations.
3537         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
3538         * testsuite/tr1/5_numerical_facilities/special_functions/
3539         07_conf_hyperg/compile_cxx17.cc: New.
3540         * testsuite/tr1/5_numerical_facilities/special_functions/
3541         17_hyperg/compile_cxx17.cc: New.
3542
3543         PR libstdc++/84769
3544         * include/std/variant (visit): Qualify std::get call.
3545
3546         PR libstdc++/85632 use uintmax_t for arithmetic
3547         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
3548         arithmetic in result type.
3549         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
3550         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
3551         is greater than free space.
3552         * testsuite/experimental/filesystem/operations/space.cc: New.
3553
3554         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
3555         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
3556         New.
3557         * testsuite/20_util/remove_cvref/value.cc: New.
3558         * testsuite/20_util/remove_cvref/value_ext.cc: New.
3559
3560         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
3561         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
3562         (append(const basic_string&, size_type, size_type)
3563         (assign(const basic_string&, size_type, size_type)
3564         (insert(size_type, const basic_string&, size_type, size_type)
3565         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3566         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3567         Add default arguments (LWG 2268).
3568         [_GLIBCXX_USE_CXX11_ABI=0]
3569         (append(const basic_string&, size_type, size_type)
3570         (assign(const basic_string&, size_type, size_type)
3571         (insert(size_type, const basic_string&, size_type, size_type)
3572         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3573         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3574         Likewise.
3575         * testsuite/21_strings/basic_string/dr2268.cc: New test.
3576
3577         PR libstdc++/84535
3578         * include/std/thread (thread::__not_same): New SFINAE helper.
3579         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
3580         first argument is not a std::thread. Add static assertion to check
3581         INVOKE expression is valid.
3582         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
3583         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
3584         __invoke_result for return types and remove exception specifications.
3585         * testsuite/30_threads/thread/cons/84535.cc: New.
3586
3587         * include/std/future (__async_result_of): Use __invoke_result instead
3588         of result_of.
3589
3590         * include/std/any (any_cast): Use __remove_cvref_t.
3591         * include/std/tuple (__make_tuple): Likewise.
3592         * include/std/type_traits (__remove_cvref_t): Define.
3593         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
3594         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
3595         * include/std/variant (__erased_hash): Use __remove_cvref_t.
3596
3597 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
3598
3599         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
3600         ensure overloaded comma not used.
3601         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
3602         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
3603         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
3604         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
3605         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
3606         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
3607         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
3608
3609 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
3610
3611         PR libstdc++/68197
3612         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
3613         indices to unsigned.
3614         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
3615         as failure. Refactor error handling.
3616         * testsuite/27_io/ios_base/storage/68197.cc: New.
3617
3618         PR libstdc++/57997
3619         PR libstdc++/83860
3620         * include/bits/gslice_array.h (gslice_array): Define default
3621         constructor as deleted, as per C++11 standard.
3622         * include/bits/mask_array.h (mask_array): Likewise.
3623         * include/bits/slice_array.h (slice_array): Likewise.
3624         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
3625         to namespace __detail.
3626         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
3627         members.
3628         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
3629         of data members in closure objects.
3630         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
3631         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
3632         __detail.
3633         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
3634         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
3635         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
3636         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
3637         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
3638         using-declarations to namespace std.
3639         * testsuite/26_numerics/valarray/83860.cc: New.
3640
3641         * testsuite/backward/strstream_move.cc: Remove duplicate function
3642         call.
3643
3644         PR libstdc++/69608
3645         * include/backward/strstream (strstreambuf): Define move constructor
3646         and move assignment operator.
3647         (istrstream, ostrstream, strstream): Likewise.
3648         * testsuite/backward/strstream_move.cc: New.
3649
3650 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
3651
3652         PR libstdc++/84654
3653         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
3654         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
3655         * configure: Regenerate.
3656         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
3657         based on ENABLE_FLOAT128.
3658         * include/Makefile.in: Regenerate.
3659         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
3660         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
3661         _GLIBCXX_USE_FLOAT128.
3662
3663 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3664
3665         * configure: Regenerated.
3666
3667 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
3668
3669         * configure: Regenerated.
3670
3671 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3672             Jakub Jelinek  <jakub@redhat.com>
3673
3674         PR libstdc++/85442
3675         * src/c++11/Makefile.am: Don't generate debuginfo again for
3676         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
3677         * src/c++11/Makefile.in: Regenerate.
3678
3679 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3680
3681         PR libstdc++/84442
3682         * testsuite/30_threads/thread/cons/terminate.cc
3683         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
3684
3685 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
3686
3687         PR jit/85384
3688         * configure: Regenerate.
3689
3690 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
3691
3692         * testsuite/experimental/filesystem/file_status/1.cc: Add
3693         -DUSE_FILESYSTEM_TS to dg-options.
3694         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3695         Likewise.
3696         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
3697         * testsuite/experimental/filesystem/iterators/
3698         recursive_directory_iterator.cc: Likewise.
3699         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
3700         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3701         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3702         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3703         * testsuite/experimental/filesystem/operations/create_directories.cc:
3704         Likewise.
3705         * testsuite/experimental/filesystem/operations/create_directory.cc:
3706         Likewise.
3707         * testsuite/experimental/filesystem/operations/create_symlink.cc:
3708         Likewise.
3709         * testsuite/experimental/filesystem/operations/current_path.cc:
3710         Likewise.
3711         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
3712         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3713         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
3714         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3715         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3716         Likewise.
3717         * testsuite/experimental/filesystem/operations/permissions.cc:
3718         Likewise.
3719         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3720         Likewise.
3721         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3722         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
3723         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
3724         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3725         Likewise.
3726         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
3727         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
3728         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
3729         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
3730         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
3731         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
3732         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3733         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
3734         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
3735         * testsuite/experimental/filesystem/path/construct/default.cc:
3736         Likewise.
3737         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
3738         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
3739         * testsuite/experimental/filesystem/path/construct/string_view.cc:
3740         Likewise.
3741         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3742         Likewise.
3743         * testsuite/experimental/filesystem/path/decompose/filename.cc:
3744         Likewise.
3745         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
3746         Likewise.
3747         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
3748         Likewise.
3749         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3750         Likewise.
3751         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
3752         Likewise.
3753         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
3754         Likewise.
3755         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3756         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
3757         Likewise.
3758         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
3759         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
3760         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
3761         Likewise.
3762         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
3763         Likewise.
3764         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
3765         Likewise.
3766         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
3767         Likewise.
3768         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
3769         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
3770         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
3771         Likewise.
3772         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3773         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3774         Likewise.
3775         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3776         Likewise.
3777         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3778         Likewise.
3779         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3780         Likewise.
3781         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3782         Likewise.
3783         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3784         Likewise.
3785         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3786         Likewise.
3787         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3788         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3789         Likewise.
3790
3791 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
3792
3793         * src/c++11/Makefile.am: Fix sed command.
3794         * src/c++11/Makefile.in: Regenerate.
3795
3796         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
3797         handle mangled names starting with double underscores on darwin.
3798         * src/c++11/Makefile.in: Regenerate.
3799
3800 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
3801
3802         * src/c++11/Makefile.am: Fix comment.
3803         * src/c++11/Makefile.in: Regenerate.
3804         * src/c++11/cxx11-ios_failure.cc: Fix comment.
3805         * src/c++98/ios_failure.cc: Likewise.
3806
3807         * src/c++11/ios.cc: Remove redundant macro definition.
3808
3809 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
3810
3811         * doc/xml/manual/abi.xml: Document header locations in recent
3812         releases.
3813         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
3814         * doc/xml/manual/spine.xml: Update copyright years.
3815         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
3816         undefined behaviour.
3817         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
3818         * doc/html/*: Regenerate.
3819
3820 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
3821
3822         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
3823         * doc/xml/manual/backwards_compatibility.xml: Likewise.
3824         * doc/xml/manual/containers.xml: Likewise.
3825         * doc/xml/manual/debug_mode.xml: Likewise.
3826         * doc/xml/manual/extensions.xml: Likewise.
3827         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
3828         * doc/xml/manual/using.xml: Likewise.
3829         * doc/xml/manual/utilities.xml: Likewise.
3830
3831         PR libstdc++/85222
3832         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
3833         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
3834         * src/c++11/Makefile.in: Regenerate.
3835         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
3836         New types.
3837         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3838         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
3839         * src/c++98/ios_failure.cc (__construct_ios_failure)
3840         (__destroy_ios_failure, is_ios_failure_handler): New functions.
3841         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3842         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
3843         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
3844         handler types, to always catch std::ios_base::failure.
3845         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3846         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3847         exceptions_failbit.cc: Likewise.
3848         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3849         exceptions_failbit.cc: Likewise.
3850         * testsuite/27_io/basic_istream/extractors_other/char/
3851         exceptions_null.cc: Likewise.
3852         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3853         exceptions_null.cc: Likewise.
3854         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3855         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3856         * testsuite/27_io/basic_ostream/inserters_other/char/
3857         exceptions_null.cc: Likewise.
3858         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3859         exceptions_null.cc: Likewise.
3860         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3861
3862 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
3863
3864         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
3865         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
3866
3867 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
3868
3869         PR libstdc++/85183
3870         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
3871         value categories.
3872         * testsuite/20_util/variant/85183.cc: New.
3873
3874 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
3875
3876         * include/std/variant (__get): Qualify calls to avoid ADL.
3877         (__select_index): Adjust whitespace.
3878         (variant): Add using-declaration to workaround Clang bug.
3879
3880 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
3881
3882         PR libstdc++/85040
3883         * include/bits/stl_function.h (greater::__not_overloaded)
3884         (less::__not_overloaded, greater_equal::__not_overloaded)
3885         (less_equal::__not_overloaded): Fix ambiguous specializations.
3886         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
3887         tests for type with overloaded operators.
3888
3889 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3890
3891         PR libstdc++/77691
3892         * testsuite/experimental/memory_resource/resource_adaptor.cc:
3893         xfail execution on 32-bit Solaris/x86.
3894
3895 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
3896
3897         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
3898         VERIFY instead of assert.
3899         * testsuite/20_util/hash/84998.cc: New test.
3900         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
3901         copy of test adjusted for Debug Mode.
3902         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
3903         test in Debug Mode.
3904
3905 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
3906
3907         PR libstdc++/84998
3908         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
3909         * include/std/bitset: Likewise.
3910         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
3911         declaration.
3912         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
3913         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
3914         * include/bits/stl_set.h (std::set<>): Likewise.
3915         * include/bits/unordered_map.h (std::unordered_map<>): Fix
3916         _Hash_merge_helper friend declaration.
3917         (std::unordered_multimap<>): Likewise.
3918         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
3919         (std::unordered_multiset<>): Likewise.
3920
3921 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3922
3923         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
3924         trailing slash for domain level link.
3925         * doc/xml/faq.xml: Ditto.
3926         * doc/xml/manual/appendix_free.xml (software): Ditto.
3927         * doc/xml/manual/intro.xml: Ditto.
3928         * doc/xml/manual/spine.xml: Ditto.
3929         * doc/xml/spine.xml: Ditto.
3930
3931 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3932
3933         * doc/xml/manual/documentation_hacking.xml: Adjust link to
3934         docbook.org.
3935
3936 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
3937
3938         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
3939         to compile as C++98.
3940
3941 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
3942
3943         PR libstdc++/78420
3944         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
3945         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
3946         to ensure total order for pointers.
3947         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
3948         Add operator() overloads for pointer arguments and make generic
3949         overloads dispatch to new _S_cmp functions when comparisons would
3950         use built-in operators for pointers.
3951         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
3952
3953 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
3954
3955         PR libstdc++/84773
3956         PR libstdc++/83662
3957         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
3958         * configure: Regenerate.
3959         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
3960         (aligned_alloc): Add using-declaration.
3961         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
3962
3963 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
3964
3965         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
3966         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
3967         registration.
3968
3969 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
3970
3971         PR libstdc++/84769
3972         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
3973         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
3974
3975         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
3976         src/filesystem/std-ops.cc (create_dir): Likewise.
3977
3978 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
3979
3980         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
3981         (StdListIteratorPrinter): Inherit from latter.
3982         (StdFwdListIteratorPrinter): New, inherit from latter.
3983         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
3984         when iterator has no associated container.
3985         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
3986         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
3987         registrations.
3988         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
3989         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
3990
3991 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
3992
3993         PR libstdc++/84601
3994         * include/std/optional (_Optional_payload): Split into multiple
3995         specializations that can handle different cases of trivial or
3996         non-trivial assignment operators.
3997         * testsuite/20_util/optional/84601.cc: New.
3998         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
3999
4000 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
4001
4002         PR libstdc++/84671
4003         * include/bits/parse_numbers.h (_Number_help): Add partial
4004         specialization to handle digit separators. Adjust partial
4005         specialization for recursion temrination to require _Pow == 1ULL.
4006         * testsuite/20_util/duration/literals/84671.cc: New
4007
4008 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
4009
4010         Implement the missing bits of LWG 2769
4011         * include/std/any (any_cast(const any&)): Add static_assert.
4012         (any_cast(any&)): Likewise.
4013         (any_cast(any&&)): Likewise, and remove the handling
4014         for copyable-but-not-movable type.
4015         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
4016         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
4017         add new tests.
4018
4019 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
4020
4021         PR libstdc++/84532
4022         * include/std/thread (thread::__make_invoker): Construct tuple
4023         directly instead of using make_tuple.
4024         * testsuite/30_threads/async/84532.cc: New.
4025         * testsuite/30_threads/thread/84532.cc: New.
4026
4027 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
4028
4029         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
4030         (template<> __aligned_buffer): Define as __aligned_membuf alias.
4031
4032 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4033
4034         PR target/84148
4035         * configure: Regenerate.
4036
4037 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
4038
4039         PR libstdc++/81797
4040         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
4041         * configure: Regenerate.
4042         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
4043         defined.
4044         * include/Makefile.in: Regenerate.
4045
4046 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
4047
4048         PR libstdc++/83833
4049         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
4050         Add -ffloat-store to options for m68k and ia32.
4051
4052         * doc/xml/faq.xml: Update copyright years.
4053         * doc/html/*: Regenerate.
4054
4055         PR libstdc++/83658
4056         * include/std/any (any::__do_emplace): Only set _M_manager after
4057         constructing the contained object.
4058         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
4059         * testsuite/20_util/any/modifiers/83658.cc: New test.
4060
4061 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
4062
4063         PR libstdc++/81076
4064         * include/c_global/cstddef (__byte_operand): Define primary template.
4065         * testsuite/18_support/byte/81076.cc: New test.
4066
4067 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
4068
4069         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
4070         dg-options and dg-add-options order.
4071         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
4072         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
4073         Likewise.
4074         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
4075         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
4076         Likewise.
4077         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
4078         Likewise.
4079         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
4080         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
4081         Likewise.
4082         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
4083         Likewise.
4084         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
4085         Likewise.
4086         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
4087         Likewise.
4088         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
4089         Likewise.
4090         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
4091         Likewise.
4092         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
4093         Likewise.
4094         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
4095         Likewise.
4096         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
4097         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
4098         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
4099         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
4100         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
4101         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
4102         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
4103         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
4104         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
4105         Likewise.
4106         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
4107         Likewise.
4108         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
4109         Likewise.
4110         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
4111         Likewise.
4112
4113 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
4114
4115         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
4116         include linux/types.h when checking linux/random.h header.
4117         * config.h.in: Regenerate.
4118         * configure: Ditto.
4119         * src/c++11/random.cc: Conditionally include linux/types.h.
4120
4121 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
4122
4123         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
4124
4125 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
4126
4127         PR libstdc++/83834
4128         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
4129         pattern with exact match for std::cerr.
4130
4131 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4132
4133         PR libstdc++/83833
4134         * include/bits/random.h (chi_squared_distribution::param): Update
4135         gamma distribution parameter.
4136         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
4137         test.
4138
4139         PR libstdc++/83830
4140         * include/std/type_traits (has_unique_object_representations_v): Add
4141         variable template.
4142         * testsuite/20_util/has_unique_object_representations/value.cc: Check
4143         variable template.
4144
4145 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
4146
4147         Make optional conditionally
4148         trivially_{copy,move}_{constructible,assignable}
4149         * include/std/optional (_Optional_payload): Fix the comment in
4150         the class head and turn into a primary and one specialization.
4151         (_Optional_payload::_M_engaged): Strike the NSDMI.
4152         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
4153         New.
4154         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
4155         Likewise.
4156         (_Optional_payload<_Tp, false>::_M_get): Likewise.
4157         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
4158         (_Optional_base_impl): Likewise.
4159         (_Optional_base): Turn into a primary and three specializations.
4160         (optional(nullopt)): Change the base init.
4161         * testsuite/20_util/optional/assignment/8.cc: New.
4162         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
4163         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4164
4165 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4166
4167         PR libstdc++/80276
4168         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
4169         (get_template_arg_list): New.
4170         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
4171         instead.
4172         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
4173         of strings and regular expressions.
4174         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
4175         (FilteringTypePrinter): Add docstring. Match using startswith. Use
4176         strip_inline_namespaces instead of strip_versioned_namespace.
4177         (add_one_type_printer): Prepend namespace to match argument.
4178         (register_type_printers): Add type printers for char16_t and char32_t
4179         string types and for types using cxx11 ABI. Update calls to
4180         add_one_template_type_printer to provide default argument dicts.
4181         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
4182         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
4183         basic_string<unsigned char> and basic_string<signed char>.
4184         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
4185         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
4186
4187 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
4188
4189         PR libstdc++/81092
4190         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
4191
4192 2018-01-13  Tim Shen  <timshen@google.com>
4193
4194         PR libstdc++/83601
4195         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
4196         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
4197         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
4198
4199 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4200
4201         PR libstdc++/64054
4202         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
4203         Remove dg-xfail-run-if.
4204
4205 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
4206
4207         * include/bits/forward_list.h
4208         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
4209         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
4210         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
4211         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
4212         (_Fwd_list_impl()): Add noexcept qualification.
4213         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
4214         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
4215         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
4216         (_Fwd_list_base()): Default.
4217         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
4218         (_Fwd_list_base(_Fwd_list_base&&)): Default.
4219         (forward_list<>()): Default.
4220         (forward_list<>(forward_list&&)): Default.
4221         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
4222         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
4223         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
4224         * include/bits/forward_list.tcc
4225         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
4226         _M_impl._M_head move assignment.
4227         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
4228         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
4229
4230 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
4231
4232         PR libstdc++/80276
4233         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
4234         (UniquePointerPrinter): Print correct template argument, not type of
4235         the pointer.
4236         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
4237         a type.
4238         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
4239         array type.
4240         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
4241         weak_ptr of array types.
4242
4243 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
4244
4245         PR libstdc++/83709
4246         * include/bits/hashtable_policy.h
4247         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
4248         __first != __last.
4249         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
4250         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
4251         Add false_type parameter.
4252         (_Insert_base::insert): Adapt.
4253         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
4254         Adapt.
4255         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
4256          Add __n_elt parameter, defaulted to 1.
4257         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
4258         policy _M_need_rehash.
4259         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
4260         produce only 1 rehash if necessary.
4261         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
4262         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
4263
4264 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
4265             Jonathan Wakely  <jwakely@redhat.com>
4266
4267         PR libstdc++/59253 (partial)
4268         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
4269         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
4270         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
4271         children.
4272         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
4273         of unique_ptr printer.
4274         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
4275         output of shared_ptr printer.
4276
4277 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
4278
4279         PR libstdc++/83626
4280         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
4281         unnecessary symlink_status call.
4282         (remove_all(const path&, error_code&)): Use filesystem::remove.
4283         * src/filesystem/std-ops.cc: Likewise.
4284
4285         PR libstdc++/83279
4286         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
4287         sendfile.
4288
4289         PR libstdc++/83626
4290         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
4291         report an error for ENOENT.
4292         (remove_all(const path&)): Fix type of result variable.
4293         (remove_all(const path&, error_code&)): Use non-throwing increment
4294         for directory iterator. Call POSIX remove directly to avoid redundant
4295         calls to symlink_status. Do not report errors for ENOENT.
4296         * src/filesystem/std-ops.cc: Likewise.
4297         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
4298         overload.
4299         * testsuite/experimental/filesystem/operations/remove_all.cc:
4300         Likewise.
4301
4302 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
4303
4304         PR libstdc++/83626
4305         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
4306         redundant call to ec.clear().
4307         (remove_all(const path&, error_code&))): Do not return an error for
4308         non-existent paths.
4309         * src/filesystem/std-ops.cc: Likewise.
4310         * testsuite/27_io/filesystem/operations/remove.cc: New test.
4311         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
4312         results for non-existent paths.
4313         * testsuite/experimental/filesystem/operations/remove.cc: New test.
4314         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
4315         expected results for non-existent paths.
4316
4317         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
4318         check status_known once.
4319         * include/experimental/bits/fs_ops.h: Likewise.
4320
4321         PR libstdc++/83607
4322         * include/std/functional (__is_byte_like): New trait.
4323         (__is_std_equal_to): Remove.
4324         (__boyer_moore_base_t): Use __is_byte_like instead of
4325         __is_std_equal_to.
4326         * include/experimental/functional (__is_std_equal_to): Remove.
4327         (__boyer_moore_base_t): Use __is_byte_like instead of
4328         __is_std_equal_to.
4329         * testsuite/20_util/function_objects/83607.cc: New test.
4330
4331 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
4332
4333         Protect optional's deduction guide with the feature macro
4334         * include/std/optional: Use the feature macro.
4335
4336 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4337
4338         Update copyright years.
4339 \f
4340 Copyright (C) 2018 Free Software Foundation, Inc.
4341
4342 Copying and distribution of this file, with or without modification,
4343 are permitted in any medium without royalty provided the copyright
4344 notice and this notice are preserved.