libstdc++-v3/ChangeLog

   1 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
   4
   5 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
   6
   7         PR libstdc++/78179
   8         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
   9         that runs the long double part of hypot.cc.
  10         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
  11         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
  12
  13         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
  14         Return raw pointer not allocator's pointer type.
  15         (vector::_Temporary_value::_M_val): Use _M_ptr.
  16
  17         PR libstdc++/87194
  18         * include/bits/stl_map.h
  19         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
  20         (map::map(initializer_list<value_type>, const Alloc&))
  21         (map::map(InputIterator, InputIterator, const Alloc&))
  22         (map::map(InputIterator, InputIterator))
  23         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
  24         (map::insert(InputIterator, InputIterator)):
  25         Call _M_insert_range_unique instead of _M_insert_unique.
  26         * include/bits/stl_multimap.h
  27         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
  28         (multimap::multimap(initializer_list<value_type>, const A&))
  29         (multimap::multimap(InputIterator, InputIterator, const A&))
  30         (multimap::multimap(InputIterator, InputIterator))
  31         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
  32         (multimap::insert(InputIterator, InputIterator)): Call
  33         _M_insert_range_equal instead of _M_insert_equal.
  34         * include/bits/stl_multiset.h
  35         (multiset::multiset(InputIterator, InputIterator))
  36         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
  37         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
  38         (multiset::multiset(initializer_list<value_type>, const A&))
  39         (multiset::multiset(InputIterator, InputIterator, const A&))
  40         (multiset::insert(InputIterator, InputIterator)): Call
  41         _M_insert_range_equal instead of _M_insert_equal.
  42         * include/bits/stl_set.h
  43         (set::set(InputIterator, InputIterator))
  44         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
  45         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
  46         (set::set(initializer_list<value_type>, const Alloc&))
  47         (set::set(InputIterator, InputIterator, const Alloc&))
  48         (set::insert(InputIterator, InputIterator)):
  49         Call _M_insert_range_unique instead of _M_insert_unique.
  50         * include/bits/stl_tree.h
  51         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
  52         template for SFINAE constraints.
  53         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
  54         constrained overloads that either insert or emplace, depending on
  55         iterator's value_type.
  56         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
  57         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
  58         (_Rb_tree::_M_insert_range_equal): New functions replacing range
  59         versions of _M_insert_unique and _M_insert_equal.
  60         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
  61         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
  62         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
  63         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
  64         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
  65         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
  66
  67         PR libstdc++/78595
  68         * include/bits/stl_map.h (map::insert(_Pair&&))
  69         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
  70         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
  71         (multimap::insert(const_iterator, _Pair&&)): Likewise.
  72         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
  73         (unordered_map::insert(const_iterator, _Pair&&))
  74         (unordered_multimap::insert(_Pair&&))
  75         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
  76         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
  77         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
  78         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
  79         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
  80         test.
  81
  82 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
  83
  84         * include/debug/safe_iterator.h
  85         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
  86         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
  87         New.
  88         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
  89         ::_OtherSelf): New.
  90         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
  91         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
  92         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
  93         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
  94         ::operator+(difference_type)): Use latters, inline as friend.
  95         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
  96         ::operator-(difference_type)): Likewise.
  97         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
  98         Likewise.
  99         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 100         Likewise.
 101         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 102         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 103         Likewise.
 104         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 105         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 106         Likewise.
 107         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 108         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
 109         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
 110         * include/debug/safe_iterator.tcc
 111         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
 112         copy.
 113         * include/debug/safe_local_iterator.h
 114         (_Safe_local_iterator<_It, _Seq>::_Self): New.
 115         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
 116         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
 117         (operator==(const _Safe_local_iterator<>&,
 118         const _Safe_local_iterator<>&)): Use latter, inline as friend.
 119         (operator!=(const _Safe_local_iterator<>&,
 120         const _Safe_local_iterator<>&)): Likewise.
 121         * testsuite/util/testsuite_containers.h: Include utility.
 122         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
 123         parameter.
 124         (forward_members_unordered<>::forward_members_unordered(value_type&)):
 125         Add using namespace std::rel_ops.
 126         Add iterator_concept_checks on local_iterator and const_local_iterator.
 127         Add asserts on comparison between const_local_iterator and
 128         local_iterator.
 129         (struct forward_members_unordered<_Tp, false>): Remove partial
 130         specialization.
 131         * testsuite/23_containers/forward_list/types/1.cc: New.
 132         * testsuite/23_containers/list/types/1.cc: New.
 133
 134 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
 135
 136         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
 137         references.
 138
 139 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
 140
 141         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
 142         Add dg-require-fileio.
 143         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
 144         Likewise.
 145         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
 146         Likewise.
 147         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
 148         Likewise.
 149         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
 150         Likewise.
 151         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
 152         Likewise.
 153         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
 154         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
 155         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
 156         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
 157         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
 158         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
 159         Likewise.
 160         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
 161         Likewise.
 162         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
 163         Likewise.
 164         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
 165         Likewise.
 166         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
 167         Likewise.
 168         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
 169         Likewise.
 170         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
 171         Likewise.
 172         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
 173         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
 174         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
 175         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
 176         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
 177         Likewise.
 178         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
 179         Likewise.
 180         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
 181         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
 182         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
 183         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
 184         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
 185         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
 186         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
 187         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
 188         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
 189         Likewise.
 190         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
 191         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
 192         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
 193         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
 194         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
 195         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
 196         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
 197         Likewise.
 198         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
 199
 200 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
 201
 202         * testsuite/experimental/propagate_const/observers/1.cc: Make
 203         dependence on -fdelete-null-pointer-checks explicit.
 204
 205 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
 206
 207         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
 208         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
 209         of the number of bits in the type.
 210         * include/std/bit (__ceil2): Avoid undefined shifts.
 211         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
 212         the most signifiant bit set.
 213
 214         * config/abi/pre/gnu.ver: Add missing exports for mingw.
 215
 216         * include/ext/pointer.h (_Pointer_adapter): Define operators for
 217         pointer arithmetic using long long offsets.
 218         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
 219         long long values.
 220
 221 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
 222
 223         PR libstdc++/31413
 224         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
 225         string for alternative format.
 226
 227 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
 228
 229         PR libstdc++/87116
 230         * src/filesystem/std-path.cc (path::lexically_normal): When handling
 231         a dot-dot filename, preserve an empty final component in the iteration
 232         sequence.
 233         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
 234         root-directory.
 235         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
 236         for more than two adjacent dot-dot filenames.
 237         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
 238         preferred-separator in expected normalized strings.
 239
 240 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
 241
 242         PR libstdc++/70694
 243         * configure.host (OPT_LDFLAGS): Don't append
 244         -fvisibility-inlines-hidden for newer Darwin.
 245
 246 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
 247
 248         PR libstdc++/86822
 249         * libsupc++/new (operator new(size_t, nothrow_t), operator
 250         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
 251         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
 252
 253 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
 254
 255         * include/debug/deque (std::__debug::deque): Declare.
 256         * include/debug/forward_list (std::__debug::forward_list): Declare.
 257         * include/debug/list (std::__debug::list): Declare.
 258         * include/debug/map (std::__debug::map): Declare.
 259         * include/debug/set (std::__debug::set): Declare.
 260         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
 261         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
 262         * include/debug/vector (std::__debug::vector): Declare.
 263         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
 264         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
 265         test.
 266         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
 267         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
 268         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
 269         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
 270         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
 271         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
 272         test.
 273         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
 274         New test.
 275         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
 276         New test.
 277         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
 278         test.
 279         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
 280         Adjust dg-error lineno.
 281         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
 282         test.
 283
 284 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
 285
 286         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
 287         Only define when RTTI is enabled.
 288
 289         * include/debug/vector (__niter_base): Define for C++98.
 290
 291         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
 292         Fix C++98 test to not use C++11 features.
 293         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
 294
 295         * scripts/check_compile: Fix comments.
 296
 297         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
 298         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
 299         begin(), for C++98 compatibility.
 300
 301         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 302         (basic_string::__const_iterator): Change access to protected.
 303         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
 304         as typedef for iterator.
 305         * include/debug/string (__const_iterator): Use typedef from base.
 306         (insert(const_iterator, _CharT))
 307         (replace(const_iterator, const_iterator, const basic_string&))
 308         (replace(const_iterator, const_iterator, const _CharT*, size_type))
 309         (replace(const_iterator, const_iterator, const CharT*))
 310         (replace(const_iterator, const_iterator, size_type, _CharT))
 311         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
 312         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
 313         Change const_iterator parameters to __const_iterator.
 314         (insert(iterator, size_type, _CharT)): Add C++98 overload.
 315         (insert(const_iterator, _InputIterator, _InputIterator)): Change
 316         const_iterator parameter to __const_iterator.
 317         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
 318         of base's member function.
 319         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
 320         Likewise.
 321         (insert(const_iterator, initializer_list<_CharT>))
 322         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
 323         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
 324         target directive.
 325
 326         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
 327         not use C++14 feature.
 328         * testsuite/23_containers/list/68222_neg.cc: Likewise.
 329
 330         * testsuite/21_strings/basic_string/init-list.cc:
 331         Require cxx11-abi.
 332         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 333         Likewise.
 334         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 335         Likewise.
 336
 337         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
 338         C++98 mode.
 339         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
 340         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
 341         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
 342         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 343         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
 344
 345 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 346
 347         PR libstdc++/87061
 348         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
 349         (experimental::pmr::match_results, experimental::pmr::cmatch)
 350         (experimental::pmr::smatch, experimental::pmr::wcmatch)
 351         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
 352         because COW strings don't support C++11 allocator model.
 353         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
 354         (experimental::pmr::basic_string, experimental::pmr::string)
 355         (experimental::pmr::u16string, experimental::pmr::u32string)
 356         (experimental::pmr::wstring): Likewise.
 357         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
 358         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
 359         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
 360         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
 361         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
 362         cxx11-abi.
 363         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
 364
 365         PR libstdc++/78448
 366         * include/bits/deque.tcc (deque::_M_range_initialize): Use
 367         _S_check_init_len to check size.
 368         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
 369         error if size would exceed max_size().
 370         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
 371         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
 372         size_t instead of size_type.
 373         (deq(size_type, const allocator_type&)
 374         (deq(size_type, const value_type&, const allocator_type&)
 375         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
 376         (deque::max_size): Call _S_max_size.
 377         (deque::_S_check_init_len, deque::_S_max_size): New functions.
 378         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
 379         (vector(size_type, const value_type&, const allocator_type&))
 380         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
 381         _S_check_init_len to check size.
 382         (vector::max_size): Call _S_max_size.
 383         (vector::_M_check_len): Prevent max from being expanded as a
 384         function-like macro.
 385         (vector::_S_check_init_len, vector::_S_max_size): New functions.
 386         * include/bits/vector.tcc (vector::_M_assign_aux): Use
 387         _S_check_init_len to check size.
 388         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
 389         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
 390
 391 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
 392
 393         PR libstdc++/68222
 394         * include/debug/safe_iterator.h
 395         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
 396         (_Safe_iterator<>::_Const_iterator): Remove.
 397         (_Safe_iterator<>::_IsConstant): New.
 398         (_Safe_iterator<>::_OtherIterator): New.
 399         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
 400         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
 401         __gnu_cxx::__enable_if condition.
 402         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
 403         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
 404         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
 405         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
 406         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
 407         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 408         ::operator--()): ...here.
 409         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
 410         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 411         ::operator--(int)): ...here.
 412         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
 413         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 414         ::_M_decrementable()): ...here.
 415         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
 416         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
 417         Move...
 418         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 419         ::operator[](const difference_type&)): ...here.
 420         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
 421         Move...
 422         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 423         ::operator+=(const difference_type&)): ...here.
 424         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
 425         Move...
 426         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 427         ::operator+(const difference_type&)): ...here.
 428         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
 429         Move...
 430         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 431         ::operator-=(const difference_type&)): ...here.
 432         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
 433         Move...
 434         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 435         ::operator-(const difference_type&)): ...here.
 436         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 437         Constraint to random access iterators.
 438         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 439         Likewise.
 440         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 441         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 442         Likewise.
 443         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 444         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
 445         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
 446         (__get_distance): Remove.
 447         (__get_distance_from_begin): Remove.
 448         (__get_distance_to_end): Remove.
 449         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
 450         specialization.
 451         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
 452         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
 453         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
 454         * include/debug/safe_iterator.tcc
 455         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
 456         (_Safe_iterator<>::_M_get_distance_to_end()): New.
 457         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
 458         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 459         ::_M_valid_range): New.
 460         * include/debug/safe_local_iterator.h
 461         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
 462         (_Safe_local_iterator<>::_IsConstant): New.
 463         (_Safe_local_iterator<>::_OtherIterator): New.
 464         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
 465         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
 466         in __gnu_cxx::__enable_if condition. If singular compare base iterator
 467         with _MutIte rather than _It.
 468         (_Safe_local_iterator<>::_S_constant): Make constexpr.
 469         (_Safe_local_iterator<>::_M_get_distance_to): New.
 470         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
 471         (__get_distance(const _Safe_local_iterator<>&,
 472         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
 473         (__valid_range(const _Safe_local_iterator<>&,
 474         const _Safe_local_iterator<>&)): New.
 475         * include/debug/safe_local_iterator.tcc
 476         (_Safe_local_iterator<>::_M_get_distance_to): New.
 477         * include/debug/deque (std::__debug::deque<>): Add
 478         ::__gnu_debug::_Safe_iterator<> friend declaration.
 479         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
 480         * include/debug/list (std::__debug::list<>): Likewise.
 481         * include/debug/map.h (std::__debug::map<>): Likewise.
 482         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
 483         * include/debug/set.h (std::__debug::set<>): Likewise.
 484         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
 485         * include/debug/string (std::__debug::basic_string<>): Likewise.
 486         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
 487         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
 488         (std::__debug::unordered_multimap<>): Likewise.
 489         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
 490         (std::__debug::unordered_multiset<>): Likewise.
 491         * include/debug/formatter.h: Adapt.
 492         * include/debug/helper_functions.h
 493         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
 494         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
 495         Pass parameter by copy.
 496         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
 497         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
 498         (__valid_range_aux<_Integral>): Pass _Integral by copy.
 499         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
 500         (__valid_range<>(const _Safe_iterator<>&,
 501         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
 502         Declare.
 503         (__valid_range(const _Safe_local_iterator<>&,
 504         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
 505         Declare.
 506         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 507         Declare.
 508         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
 509         Declare.
 510         (__can_advance): Adapt.
 511         (struct __is_safe_random_iterator<>): Remove.
 512         (struct _SIter_base<>): Remove.
 513         * include/debug/functions.h: Include <bits/stl_iterator.h>.
 514         (__check_dereferenceable): Remove.
 515         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
 516         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
 517         (__foreign_iterator): Adapt.
 518         * include/debug/stl_iterator.h
 519         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
 520         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
 521         Constraint for random access iterators.
 522         (__niter_base): Adapt.
 523         * testsuite/util/testsuite_containers.h:
 524         Include <bits/boost_concept_check.h>.
 525         (iterator_concept_checks<_It, _Mutable, _Category>): New.
 526         (citerator<_Cont>::forward_members::forward_members()): Instantiate
 527         latter for container iterator and const_iterator.
 528         * testsuite/23_containers/list/68222_neg.cc: New.
 529         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
 530         line number.
 531         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
 532         (test01): Remove.
 533         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
 534         Remove.
 535
 536 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 537
 538         PR libstdc++/77854
 539         * doc/xml/manual/status_cxx1998.xml: Document size_type and
 540         difference_type for containers.
 541         * doc/html/*: Regenerate.
 542
 543 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
 544
 545         P0646R1 Improving the Return Value of Erase-Like Algorithms I
 546         * include/debug/forward_list (forward_list::__remove_return_type):
 547         Define typedef as size_type or void, according to __cplusplus value.
 548         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 549         empty, according to __cplusplus value.
 550         (_GLIBCXX20_ONLY): Define macro.
 551         (forward_list::remove, forward_list::unique): Use typedef and macro
 552         to change return type and add abi-tag for C++2a. Return number of
 553         removed elements for C++2a.
 554         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
 555         typedef to change return type for C++2a. Return number of removed
 556         elements for C++2a.
 557         * include/debug/list (list::__remove_return_type): Define typedef as
 558         size_type or void, according to __cplusplus value.
 559         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 560         empty, according to __cplusplus value.
 561         (_GLIBCXX20_ONLY): Define macro.
 562         (list::remove, list::unique): Use typedef and macro to change return
 563         type and add abi-tag for C++2a. Return number of removed elements for
 564         C++2a.
 565         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
 566         to change return type for C++2a. Return number of removed elements for
 567         C++2a.
 568
 569 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
 570
 571         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
 572
 573 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
 574
 575         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
 576         redundant dg-do directive.
 577         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
 578         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
 579         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
 580         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
 581
 582 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
 583
 584         PR libstdc++/86963
 585         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
 586         (_Tuple_impl::_M_assign): New functions to perform assignment instead
 587         of assignment operators.
 588         (_Tuple_impl::_M_swap): Remove exception specification.
 589         (_Tuple_impl<_Idx, _Head>): Likewise.
 590         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
 591         (__tuple_base): Remove.
 592         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
 593         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
 594         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
 595         using __is_nothrow_swappable.
 596         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
 597
 598         * include/std/optional (_Optional_payload): Use variable templates
 599         for conditions in default template arguments and exception
 600         specifications.
 601         (optional): Likewise. Adjust indentation.
 602         (optional::__not_self, optional::__not_tag, optional::_Requires): New
 603         SFINAE helpers.
 604         (optional::optional): Use new helpers in constructor constraints.
 605         * include/std/type_traits (__or_v, __and_v): New variable templates.
 606         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
 607         dg-prune-output. Remove unused header.
 608
 609 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
 610
 611         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
 612         _GLIBCXX_DEBUG.
 613
 614 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
 615
 616         PR libstdc++/86963
 617         * include/std/tuple (__tuple_base): New class template with deleted
 618         copy assignment operator.
 619         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
 620         implicit copy/move assignment operator will be deleted/suppressed.
 621         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
 622         functions for SFINAE constraints on assignment operators.
 623         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
 624         New helper functions for exception specifications.
 625         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
 626         (tuple<_T1, _T2>::operator=(const tuple&))
 627         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
 628         __nonesuch_no_braces when the operator should be defined implicitly.
 629         Use __nothrow_assignable for exception specifications.
 630         (tuple::operator=(const tuple<_UElements...>&))
 631         (tuple::operator=(tuple<_UElements...>&&))
 632         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
 633         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
 634         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
 635         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
 636         __assignable and use __nothrow_assignable for exception
 637         specifications.
 638         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
 639         gdb.Type as first argument, instead of a string.
 640         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
 641         tuple for expected structure.
 642         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
 643         * testsuite/20_util/tuple/dr2729.cc: New test.
 644         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
 645         to dg-prune-output.
 646
 647 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
 648
 649         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
 650         about signed/unsigned comparison.
 651
 652         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
 653         deprecation warnings for using uncaught_exception().
 654
 655         PR libstdc++/86447
 656         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
 657         (logic_error::logic_error(logic_error&&))
 658         (logic_error::operator=(logic_error&&))
 659         (runtime_error::runtime_error(runtime_error&&))
 660         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
 661         moving, to avoid allocating empty reps for moved-from strings.
 662
 663 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
 664
 665         * include/experimental/regex: Remove begin/end macros for namespace.
 666         * include/experimental/string: Likewise.
 667         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
 668         New test.
 669         * testsuite/experimental/polymorphic_allocator/
 670         pmr_typedefs_forward_list.cc: New test.
 671         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
 672         New test.
 673         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
 674         New test.
 675         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 676         New test.
 677         * testsuite/experimental/polymorphic_allocator/
 678         pmr_typedefs_multimap.cc: New test.
 679         * testsuite/experimental/polymorphic_allocator/
 680         pmr_typedefs_multiset.cc: New test.
 681         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
 682         New test.
 683         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 684         New test.
 685         * testsuite/experimental/polymorphic_allocator/
 686         pmr_typedefs_unordered_map.cc: New test.
 687         * testsuite/experimental/polymorphic_allocator/
 688         pmr_typedefs_unordered_multimap.cc: New test.
 689         * testsuite/experimental/polymorphic_allocator/
 690         pmr_typedefs_unordered_multiset.cc: New test.
 691         * testsuite/experimental/polymorphic_allocator/
 692         pmr_typedefs_unordered_set.cc: New test.
 693         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
 694         New test.
 695
 696         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
 697         calls to __uses_allocator_construct_impl and __use_alloc.
 698         * include/experimental/memory_resource
 699         (polymorphic_allocator::_M_construct): Remove.
 700         (polymorphic_allocator::construct): Call __uses_allocator_construct.
 701         Qualify calls to __use_alloc.
 702         * include/std/memory_resource (polymorphic_allocator::construct): Fix
 703         type in SFINAE constraint. Use constexpr if instead of tag dispatching
 704         to _S_construct overloads.
 705         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
 706         arguments to _S_construct_p.
 707         (polymorphic_allocator::_S_construct): Remove.
 708         (polymorphic_allocator::_S_construct_p): Return allocators by value
 709         not by reference.
 710         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
 711         Qualify calls to __use_alloc.
 712         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
 713         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
 714         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
 715         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
 716         New test.
 717
 718         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
 719         (atomic_mem_res): Add unsynchronized definition for single-threaded.
 720
 721 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
 722
 723         PR libstdc++/86954
 724         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
 725         non-placement delete.
 726
 727         * include/std/chrono (__check_overflow): Simplify definition.
 728         (_Checked_integral_constant): Remove.
 729
 730         PR libstdc++/86846
 731         * src/c++17/default_resource.h: New file, defining default_res.
 732         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
 733         (atomic_mem_res): Define alternative for atomic<memory_resource*>
 734         using a mutex instead of atomics.
 735
 736         PR libstdc++/85343
 737         * config/abi/pre/gnu.ver: Export new symbol.
 738         * doc/xml/manual/abi.xml: Document new versions.
 739         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
 740         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
 741         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
 742         Declare new overload.
 743         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
 744         and static member function.
 745         (__throw_ios_failure(const char*, int)): Define.
 746         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
 747         (__throw_ios_failure(const char*, int)): Define.
 748
 749 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
 750
 751         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
 752         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
 753         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
 754         copied/assigned rope iterators don't retain pointers to the iterator
 755         they were copied/assigned from.
 756         * testsuite/ext/rope/7.cc: New.
 757
 758 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
 759
 760         PR libstdc++/45093
 761         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
 762         Combine definitions to avoid --detect-odr-violations warning.
 763
 764         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
 765         __is_pow2 to check for valid alignment. Avoid branching when rounding
 766         size to multiple of alignment.
 767
 768         * include/Makefile.am: Install <bit> and <version> for freestanding.
 769         * include/Makefile.in: Regenerate.
 770         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
 771
 772         Revert
 773         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 774
 775         PR target/85904
 776         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 777         Newlib.
 778         * configure: Regenerate.
 779
 780 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 781
 782         PR libstdc++/68210
 783         * doc/xml/manual/intro.xml: Document LWG 206 change.
 784         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 785         * libsupc++/del_opa.cc: Likewise.
 786         * libsupc++/del_opant.cc: Likewise.
 787         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
 788         of free(ptr).
 789         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 790         * libsupc++/del_opsa.cc: Likewise.
 791         * libsupc++/del_opva.cc: Likewise.
 792         * libsupc++/del_opvant.cc: Likewise.
 793         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
 794         instead of operator delete(ptr).
 795         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 796         * libsupc++/del_opvsa.cc: Likewise.
 797         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
 798         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
 799         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
 800         with noexcept.
 801         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
 802         malloc(sz).
 803         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
 804         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
 805         operator new(sz, nothrow).
 806         * testsuite/18_support/new_nothrow.cc: New test.
 807
 808 2018-08-10  Martin Liska  <mliska@suse.cz>
 809
 810         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
 811         predictor can handle that.
 812         * libsupc++/new_opa.cc: Likewise.
 813         * libsupc++/new_opnt.cc (new): Likewise.
 814
 815 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 816
 817         PR target/85904
 818         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 819         Newlib.
 820         * configure: Regenerate.
 821
 822 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 823
 824         * include/std/deque (std::pmr::deque): Declare alias.
 825         * include/std/forward_list (std::pmr::forward_list): Likewise.
 826         * include/std/list (std::pmr::list): Likewise.
 827         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
 828         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
 829         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
 830         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
 831         * include/std/string (std::pmr::basic_string, std::pmr::string)
 832         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
 833         Likewise.
 834         * include/std/unordered_map (std::pmr::unordered_map)
 835         (std::pmr::unordered_multimap): Likewise.
 836         * include/std/unordered_set (std::pmr::unordered_set)
 837         (std::pmr::unordered_multiset): Likewise.
 838         * include/std/vector (std::pmr::vector): Likewise.
 839         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
 840         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
 841         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
 842         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
 843         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
 844         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
 845         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
 846         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
 847         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
 848         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
 849         test.
 850         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
 851         test.
 852         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
 853         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
 854         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
 855
 856 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
 857
 858         * include/bits/stl_algo.h
 859         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
 860         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
 861         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
 862         duplication...
 863         (rotate(_Ite, _Ite, _Ite)): ...here.
 864         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
 865         Simplify rotate call.
 866         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
 867         Likewise.
 868         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
 869         Likewise.
 870
 871 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
 872
 873         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
 874         avoid clashing with an ::aligned_alloc function that was not detected
 875         by configure.
 876
 877         * doc/xml/manual/using.xml: Fix markup for empty table entry.
 878         * doc/html/*: Regenerate.
 879
 880         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
 881         * doc/html/*: Regenerate.
 882
 883         PR libstdc++/86597
 884         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
 885         Clear error_code when cached type is used.
 886         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
 887
 888 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
 889
 890         PR libstdc++/86874
 891         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
 892         here instead of in _Move_assign_base.
 893         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
 894         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
 895         the contained value to another alternative.
 896         (_Move_assign_base::operator=): Likewise.
 897         (_Move_assign_base::_M_destructive_move): Remove.
 898         * testsuite/20_util/variant/86874.cc: New test.
 899
 900         PR libstdc++/86861
 901         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
 902         Replace macro with inline function.
 903         [__sun]: Increase alignment to meet memalign precondition.
 904         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
 905         (aligned_alloc): Move check for valid alignment to operator new.
 906         Remove redundant check for non-zero size, it's enforced by the caller.
 907         (operator new): Move check for valid alignment here. Use
 908         __builtin_expect on check for zero size.
 909
 910         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
 911         * include/std/memory_resource (monotonic_buffer_resource::release):
 912         Call _M_release_buffers to free buffers.
 913         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
 914         allocate a new buffer from upstream.
 915         (monotonic_buffer_resource::_M_new_buffer): Declare.
 916         (monotonic_buffer_resource::_M_release_buffers): Declare.
 917         (monotonic_buffer_resource::_Chunk): Replace definition with
 918         declaration as opaque type.
 919         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
 920         Define.
 921         (monotonic_buffer_resource::_M_new_buffer): Define.
 922         (monotonic_buffer_resource::_M_release_buffers): Define.
 923
 924 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
 925
 926         * include/bits/stl_iterator.h: Fix comment.
 927
 928 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
 929
 930         * src/c++11/system_error.cc
 931         (system_error_category::default_error_condition): Add workaround for
 932         ENOTEMPTY and EEXIST having the same value on AIX.
 933         * testsuite/19_diagnostics/error_category/system_category.cc: Add
 934         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
 935
 936 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
 937
 938         * configure: Regenerate.
 939         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
 940         * src/c++11/futex.cc: Use __glibcxx_assert instead of
 941         _GLIBCXX_DEBUG_ASSERT.
 942
 943 2018-08-01  Mike Crowe  <mac@mcrowe.com>
 944
 945         * include/std/condition_variable (wait_for): Use steady_clock.
 946
 947 2018-08-01  Mike Crowe  <mac@mcrowe.com>
 948
 949         * include/std/condition_variable (wait_until): Only report timeout
 950         if we really have timed out when measured against the
 951         caller-supplied clock.
 952         * testsuite/30_threads/condition_variable/members/2.cc: Add test
 953         case to confirm above behaviour.
 954
 955 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
 956
 957         PR libstdc++/60555
 958         * src/c++11/system_error.cc
 959         (system_error_category::default_error_condition): New override to
 960         check for POSIX errno values.
 961         * testsuite/19_diagnostics/error_category/generic_category.cc: New
 962         * testsuite/19_diagnostics/error_category/system_category.cc: New
 963         test.
 964
 965 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
 966
 967         PR libstdc++/86751
 968         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
 969         assignment operator.
 970         (pair): Derive from __pair_base.
 971         (pair::operator=): Remove deleted overload.
 972         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
 973         so that new base class isn't shown in GDB.
 974         * testsuite/20_util/pair/86751.cc: New test.
 975         * testsuite/20_util/pair/ref_assign.cc: New test.
 976
 977         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
 978         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
 979         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
 980         instead of __has_builtin.
 981         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
 982         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
 983         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
 984         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
 985         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
 986         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
 987         (__cpp_lib_has_unique_object_representations): Don't define when
 988         builtin not available.
 989         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
 990         Likewise.
 991         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
 992         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
 993         from here.
 994
 995         * doc/xml/manual/test.xml: Improve documentation on writing tests for
 996         newer standards.
 997         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
 998         * doc/html/*: Regenerate.
 999
1000         * include/ext/pointer.h [__cplusplus >= 201103L]
1001         (_Pointer_adapter::operator bool): Add explicit conversion operator
1002         to replace safe bool idiom.
1003
1004 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
1005
1006         PR libstdc++/86734
1007         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
1008         _S_to_pointer (LWG 1052, LWG 2118).
1009         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
1010         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
1011         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
1012
1013         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
1014         workaround for aligned_alloc bug on AIX.
1015         * testsuite/18_support/new_aligned.cc: New test.
1016
1017 2018-07-26  Marek Polacek  <polacek@redhat.com>
1018
1019         * testsuite/30_threads/condition_variable_any/cond.cc: New.
1020
1021 2018-07-26  Marek Polacek  <polacek@redhat.com>
1022
1023         * src/c++98/locale_init.cc: Fix #ifdef condition.
1024
1025 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1026
1027         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
1028         dg-require-cstdint directive.
1029         * testsuite/20_util/allocator/overaligned.cc: Likewise.
1030         * testsuite/20_util/any/cons/aligned.cc: Likewise.
1031         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
1032         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
1033         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
1034         Likewise.
1035         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1036         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
1037         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
1038         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
1039         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
1040         random_device effective-target.
1041         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
1042         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
1043         * testsuite/25_algorithms/sample/2.cc: Likewise.
1044         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
1045         and random_device.
1046         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
1047         cstdint.
1048         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1049         Likewise.
1050         * testsuite/26_numerics/random/discard_block_engine/requirements/
1051         constexpr_data.cc: Likewise.
1052         * testsuite/26_numerics/random/discard_block_engine/requirements/
1053         constexpr_functions.cc: Likewise.
1054         * testsuite/26_numerics/random/independent_bits_engine/requirements/
1055         constexpr_functions.cc: Likewise.
1056         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1057         constexpr_data.cc: Likewise.
1058         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1059         constexpr_functions.cc: Likewise.
1060         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1061         constexpr_data.cc: Likewise.
1062         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1063         constexpr_functions.cc: Likewise.
1064         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1065         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
1066         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1067         constexpr_data.cc: Add dg-require-cstdint directive.
1068         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1069         constexpr_functions.cc: Likewise.
1070         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1071         constexpr_data.cc: Likewise.
1072         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1073         constexpr_functions.cc: Likewise.
1074         * testsuite/26_numerics/random/uniform_real_distribution/operators/
1075         64351.cc: Likewise.
1076         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
1077         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1078         * testsuite/experimental/algorithm/sample.cc: Likewise.
1079         * testsuite/experimental/algorithm/search.cc: Likewise.
1080         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1081         * testsuite/experimental/any/cons/aligned.cc: Likewise.
1082         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1083         Likewise.
1084         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
1085         * testsuite/experimental/random/randint.cc: Likewise.
1086         * testsuite/experimental/source_location/1.cc: Likewise.
1087         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
1088         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
1089         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
1090         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
1091         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
1092         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
1093         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
1094         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
1095         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
1096         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
1097         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
1098         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
1099         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
1100         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
1101         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
1102         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
1103         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
1104         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
1105         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
1106         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1107         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
1108         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
1109         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
1110
1111         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
1112         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
1113         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
1114         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
1115         Likewise.
1116         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
1117         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
1118         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
1119         Likewise.
1120         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
1121         Likewise.
1122         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
1123         Likewise.
1124         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
1125         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
1126         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
1127         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
1128         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
1129         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
1130         Likewise.
1131         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
1132         Likewise.
1133         * testsuite/30_threads/recursive_timed_mutex/dest/
1134         destructor_locked.cc: Likewise.
1135         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
1136         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
1137         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
1138         Likewise.
1139         * testsuite/30_threads/recursive_timed_mutex/native_handle/
1140         typesizes.cc: Likewise.
1141         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
1142         Likewise.
1143         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
1144         Likewise.
1145         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
1146         Likewise.
1147         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
1148         Likewise.
1149         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
1150         Likewise.
1151         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
1152         Likewise.
1153         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
1154         Likewise.
1155         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
1156         Likewise.
1157         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
1158         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
1159         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
1160         * testsuite/30_threads/scoped_lock/requirements/
1161         explicit_instantiation.cc: Likewise.
1162         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
1163         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
1164         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
1165         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
1166         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
1167         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
1168         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
1169         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
1170         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
1171         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
1172         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
1173         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
1174         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
1175         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
1176         * testsuite/30_threads/shared_future/requirements/
1177         explicit_instantiation.cc: Likewise.
1178         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
1179         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
1180         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
1181         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
1182         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
1183         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
1184         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
1185         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
1186         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
1187         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
1188         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
1189         * testsuite/30_threads/shared_lock/requirements/
1190         explicit_instantiation.cc: Likewise.
1191         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
1192         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
1193         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
1194         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
1195         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
1196         Likewise.
1197         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
1198         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
1199         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
1200         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
1201         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
1202         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
1203         * testsuite/30_threads/shared_timed_mutex/requirements/
1204         standard_layout.cc: Likewise.
1205         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
1206         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
1207         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
1208         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
1209         * testsuite/30_threads/this_thread/1.cc: Likewise.
1210         * testsuite/30_threads/this_thread/2.cc: Likewise.
1211         * testsuite/30_threads/this_thread/3.cc: Likewise.
1212         * testsuite/30_threads/this_thread/4.cc: Likewise.
1213         * testsuite/30_threads/this_thread/58038.cc: Likewise.
1214         * testsuite/30_threads/thread/70503.cc: Likewise.
1215         * testsuite/30_threads/thread/84532.cc: Likewise.
1216         * testsuite/30_threads/thread/adl.cc: Likewise.
1217         * testsuite/30_threads/thread/cons/1.cc: Likewise.
1218         * testsuite/30_threads/thread/cons/2.cc: Likewise.
1219         * testsuite/30_threads/thread/cons/3.cc: Likewise.
1220         * testsuite/30_threads/thread/cons/4.cc: Likewise.
1221         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
1222         * testsuite/30_threads/thread/cons/5.cc: Likewise.
1223         * testsuite/30_threads/thread/cons/6.cc: Likewise.
1224         * testsuite/30_threads/thread/cons/7.cc: Likewise.
1225         * testsuite/30_threads/thread/cons/8.cc: Likewise.
1226         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
1227         * testsuite/30_threads/thread/cons/9.cc: Likewise.
1228         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
1229         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
1230         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
1231         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
1232         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
1233         * testsuite/30_threads/thread/id/operators.cc: Likewise.
1234         * testsuite/30_threads/thread/members/1.cc: Likewise.
1235         * testsuite/30_threads/thread/members/2.cc: Likewise.
1236         * testsuite/30_threads/thread/members/3.cc: Likewise.
1237         * testsuite/30_threads/thread/members/4.cc: Likewise.
1238         * testsuite/30_threads/thread/members/5.cc: Likewise.
1239         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
1240         Likewise.
1241         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
1242         * testsuite/30_threads/thread/swap/1.cc: Likewise.
1243         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
1244         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
1245         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
1246         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
1247         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
1248         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
1249         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
1250         Likewise.
1251         * testsuite/30_threads/timed_mutex/requirements/
1252         standard_layout.cc: Likewise.
1253         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
1254         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
1255         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
1256         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
1257         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
1258         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
1259         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
1260         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
1261         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
1262         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
1263         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
1264         * testsuite/30_threads/try_lock/1.cc: Likewise.
1265         * testsuite/30_threads/try_lock/2.cc: Likewise.
1266         * testsuite/30_threads/try_lock/3.cc: Likewise.
1267         * testsuite/30_threads/try_lock/4.cc: Likewise.
1268         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
1269         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
1270         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
1271         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
1272         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
1273         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
1274         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
1275         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
1276         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
1277         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
1278         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
1279         * testsuite/30_threads/unique_lock/requirements/
1280         explicit_instantiation.cc: Likewise.
1281         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
1282
1283         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
1284         directive.
1285         * testsuite/30_threads/async/49668.cc: Likewise.
1286         * testsuite/30_threads/async/54297.cc: Likewise.
1287         * testsuite/30_threads/async/84532.cc: Likewise.
1288         * testsuite/30_threads/async/any.cc: Likewise.
1289         * testsuite/30_threads/async/async.cc: Likewise.
1290         * testsuite/30_threads/async/except.cc: Likewise.
1291         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
1292         * testsuite/30_threads/async/launch.cc: Likewise.
1293         * testsuite/30_threads/async/lwg2021.cc: Likewise.
1294         * testsuite/30_threads/async/sync.cc: Likewise.
1295         * testsuite/30_threads/call_once/39909.cc: Likewise.
1296         * testsuite/30_threads/call_once/49668.cc: Likewise.
1297         * testsuite/30_threads/call_once/60497.cc: Likewise.
1298         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
1299         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
1300         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
1301         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
1302         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
1303         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
1304         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
1305         Likewise.
1306         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
1307         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
1308         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
1309         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
1310         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
1311         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
1312         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
1313         Likewise.
1314         * testsuite/30_threads/condition_variable/requirements/
1315         standard_layout.cc: Likewise.
1316         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
1317         * Likewise.
1318         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
1319         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
1320         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
1321         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
1322         Likewise.
1323         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
1324         Likewise.
1325         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
1326         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1327         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
1328         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
1329         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
1330         * testsuite/30_threads/future/cons/default.cc: Likewise.
1331         * testsuite/30_threads/future/cons/move.cc: Likewise.
1332         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
1333         * testsuite/30_threads/future/members/45133.cc: Likewise.
1334         * testsuite/30_threads/future/members/get.cc: Likewise.
1335         * testsuite/30_threads/future/members/get2.cc: Likewise.
1336         * testsuite/30_threads/future/members/share.cc: Likewise.
1337         * testsuite/30_threads/future/members/valid.cc: Likewise.
1338         * testsuite/30_threads/future/members/wait.cc: Likewise.
1339         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
1340         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
1341         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
1342         Likewise.
1343         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
1344         Likewise.
1345         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1346         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
1347         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
1348         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
1349         * testsuite/30_threads/lock/1.cc: Likewise.
1350         * testsuite/30_threads/lock/2.cc: Likewise.
1351         * testsuite/30_threads/lock/3.cc: Likewise.
1352         * testsuite/30_threads/lock/4.cc: Likewise.
1353         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
1354         * testsuite/30_threads/lock_guard/requirements/
1355         explicit_instantiation.cc: Likewise.
1356         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
1357         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
1358         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
1359         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
1360         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
1361         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
1362         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
1363         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
1364         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
1365         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
1366         Likewise.
1367         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
1368         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
1369         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
1370         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
1371         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
1372         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
1373         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
1374         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
1375         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
1376         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
1377         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
1378         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
1379         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
1380         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1381         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1382         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
1383         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
1384         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
1385         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
1386         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
1387         Likewise.
1388         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
1389         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
1390         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
1391         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
1392         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
1393         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
1394         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
1395         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
1396         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
1397         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
1398         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
1399         * testsuite/30_threads/packaged_task/requirements/
1400         explicit_instantiation.cc: Likewise.
1401         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1402         * testsuite/30_threads/promise/60966.cc: Likewise.
1403         * testsuite/30_threads/promise/69106.cc: Likewise.
1404         * testsuite/30_threads/promise/cons/1.cc: Likewise.
1405         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
1406         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
1407         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
1408         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
1409         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
1410         * testsuite/30_threads/promise/cons/move.cc: Likewise.
1411         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
1412         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
1413         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
1414         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
1415         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
1416         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
1417         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
1418         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
1419         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
1420         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
1421         * testsuite/30_threads/promise/members/swap.cc: Likewise.
1422         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
1423         * Likewise.
1424         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
1425
1426         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
1427         from namespace std.
1428         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
1429         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
1430         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
1431         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
1432         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
1433         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
1434         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
1435         * testsuite/20_util/duration/cons/1.cc: Likewise.
1436         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
1437         * testsuite/20_util/duration/cons/2.cc: Likewise.
1438         * testsuite/20_util/duration/cons/54025.cc: Likewise.
1439         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
1440         * testsuite/20_util/duration/requirements/explicit_instantiation/
1441         explicit_instantiation.cc: Likewise.
1442         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1443         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1444         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1445         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
1446         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
1447         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
1448         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
1449         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
1450         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
1451         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
1452         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
1453         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
1454         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
1455         * testsuite/20_util/system_clock/1.cc: Likewise.
1456         * testsuite/20_util/time_point/1.cc: Likewise.
1457         * testsuite/20_util/time_point/2.cc: Likewise.
1458         * testsuite/20_util/time_point/3.cc: Likewise.
1459         * testsuite/20_util/time_point/requirements/explicit_instantiation/
1460         explicit_instantiation.cc: Likewise.
1461         * testsuite/21_strings/basic_string/requirements/
1462         explicit_instantiation/char16_t/1.cc: Likewise.
1463         * testsuite/21_strings/basic_string/requirements/
1464         explicit_instantiation/char32_t/1.cc: Likewise.
1465         * testsuite/21_strings/basic_string_view/requirements/
1466         explicit_instantiation/char16_t/1.cc: Likewise.
1467         * testsuite/21_strings/basic_string_view/requirements/
1468         explicit_instantiation/char32_t/1.cc: Likewise.
1469         * testsuite/21_strings/char_traits/requirements/
1470         explicit_instantiation/char16_t/1.cc: Likewise.
1471         * testsuite/21_strings/char_traits/requirements/
1472         explicit_instantiation/char32_t/1.cc: Likewise.
1473         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
1474         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
1475         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1476         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
1477         Likewise.
1478         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
1479         Likewise.
1480         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
1481         Likewise.
1482         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1483         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
1484         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
1485         Likewise.
1486         * testsuite/experimental/string_view/requirements/
1487         explicit_instantiation/char16_t/1.cc: Likewise.
1488         * testsuite/experimental/string_view/requirements/
1489         explicit_instantiation/char32_t/1.cc: Likewise.
1490         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
1491         1.cc: Likewise.
1492         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
1493         1.cc: Likewise.
1494
1495         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1496         (random_condition, throw_value_random, throw_allocator_random)
1497         (std::hash<throw_value_random>): Do not define when <tr1/random> is
1498         not usable.
1499         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
1500         define transactional memory support when <stdint.h> is not usable.
1501
1502         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
1503         implementation that doesn't depend on <stdint.h> types.
1504         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
1505         std::size_t when std::uintptr_t is not usable.
1506         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
1507         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
1508         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1509
1510         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1511         (hash<u16string>, hash<u32string>): Remove dependency on
1512         _GLIBCXX_USE_C99_STDINT_TR1.
1513         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1514         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
1515         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
1516         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
1517         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1518         (codecvt<char16_t, char, mbstate_t>)
1519         (codecvt<char32_t, char, mbstate_t>)
1520         (codecvt_byname<char16_t, char, mbstate_t>)
1521         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
1522         on _GLIBCXX_USE_C99_STDINT_TR1.
1523         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1524         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
1525         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1526         (char_traits<char16_t>, char_traits<char32_t>)
1527         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
1528         on _GLIBCXX_USE_C99_STDINT_TR1.
1529         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1530         (u16string_view, u32string_view, hash<u16string_view>)
1531         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1532         (operator""sv(const char32_t, size_t)): Likewise.
1533         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1534         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
1535         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1536         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
1537         (__u32sso_string, __u32rc_string): Likewise.
1538         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
1539         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
1540         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1541         (u16string_view, u32string_view, hash<u16string_view>)
1542         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1543         (operator""sv(const char32_t, size_t)): Likewise.
1544         * src/c++11/codecvt.cc: Likewise.
1545         * src/c++98/locale_init.cc: Likewise.
1546         * src/c++98/localename.cc: Likewise.
1547
1548         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1549         (__atomic_futex_unsigned_base): Remove dependency on
1550         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1551         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1552         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
1553         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
1554         (uintmax_t): Define using predefined macros.
1555         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
1556         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
1557         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
1558         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
1559         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
1560         long long when <stdint.h> is not usable.
1561         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
1562         (condition_variable, condition_variable_any): Remove dependency on
1563         _GLIBCXX_USE_C99_STDINT_TR1.
1564         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
1565         (packaged_task, async): Likewise.
1566         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
1567         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
1568         (once_flag, call_once): Likewise.
1569         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
1570         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
1571         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
1572         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
1573         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
1574         (this_thread::sleep_until): Likewise.
1575         * src/c++11/chrono.cc: Remove dependency on
1576         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1577         * src/c++11/condition_variable.cc: Likewise.
1578         * src/c++11/futex.cc: Likewise.
1579         * src/c++11/future.cc: Likewise.
1580         * src/c++11/mutex.cc: Likewise.
1581         * src/c++11/thread.cc: Likewise.
1582         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
1583         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1584         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1585         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1586         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
1587         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1588
1589 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1590
1591         PR libstdc++/77691
1592         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1593         xfail execution on 32-bit Solaris/x86.
1594
1595 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
1596
1597         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
1598         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
1599         (vector::_M_move_assign): Reorder the swaps.
1600
1601 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1602
1603         PR libstdc++/86676
1604         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
1605         same alignment for post-release allocation.
1606
1607 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
1608
1609         PR libstdc++/86676
1610         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
1611         buffer being misaligned and so returned pointer not being at start.
1612
1613         * include/experimental/memory_resource: Include <cstddef> header.
1614
1615         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
1616         * src/Makefile.am: Add comment.
1617         * src/c++17/Makefile.in: Regenerate.
1618
1619         * include/Makefile.am: Add new <bits/unique_lock.h> header.
1620         * include/Makefile.in: Regenerate.
1621         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
1622         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1623         (unique_lock): Move definition to ...
1624         * include/bits/unique_lock.h: New header.
1625         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
1626         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
1627         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
1628         (unique_lock::try_lock_for): Define only when <chrono> is usable.
1629         * include/std/condition_variable: Include <bits/unique_lock.h>.
1630         * include/std/mutex: Likewise.
1631
1632 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
1633
1634         * config/abi/pre/gnu.ver: Export new symbols.
1635         * configure: Regenerate.
1636         * include/Makefile.am: Add new <memory_resource> header.
1637         * include/Makefile.in: Regenerate.
1638         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
1639         * include/std/memory_resource: New header.
1640         (memory_resource, polymorphic_allocator, new_delete_resource)
1641         (null_memory_resource, set_default_resource, get_default_resource)
1642         (pool_options, monotonic_buffer_resource): Define.
1643         * src/Makefile.am: Add c++17 directory.
1644         * src/Makefile.in: Regenerate.
1645         * src/c++11/Makefile.am: Fix comment.
1646         * src/c++17/Makefile.am: Add makefile for new sub-directory.
1647         * src/c++17/Makefile.in: Generate.
1648         * src/c++17/memory_resource.cc: New.
1649         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
1650         (default_res, new_delete_resource, null_memory_resource)
1651         (set_default_resource, get_default_resource): Define.
1652         * testsuite/20_util/memory_resource/1.cc: New test.
1653         * testsuite/20_util/memory_resource/2.cc: New test.
1654         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
1655         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
1656         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
1657         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
1658         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
1659         New test.
1660         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
1661         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
1662         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
1663         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1664         Define concrete memory resource for testing.
1665         (__gnu_test::default_resource_mgr): Define RAII helper for changing
1666         default resource.
1667
1668         PR libstdc++/86658
1669         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
1670         parameter by reference, to avoid copying invalid iterators.
1671         * testsuite/25_algorithms/copy/86658.cc: New test.
1672
1673         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
1674         local variables for number of digits instead of type aliases.
1675         (__log2p1): Remove redundant branch also checked in __countl_zero.
1676
1677         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
1678         conditions. Add comments.
1679         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
1680         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1681         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
1682
1683         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
1684         (__uses_allocator_helper): Check conditions directly instead of
1685         using __is_erased_or_convertible.
1686
1687         * include/experimental/memory_resource: Adjust comments and
1688         whitespace.
1689         (__resource_adaptor_imp): Add second template parameter for type of
1690         memory resource base class.
1691         (memory_resource): Define default constructor, destructor, copy
1692         constructor and copy assignment operator as defaulted.
1693
1694         PR libstdc++/70966
1695         * include/experimental/memory_resource (__get_default_resource): Use
1696         placement new to create an object with dynamic storage duration.
1697
1698 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
1699
1700         PR libstdc++/70940
1701         * include/experimental/memory_resource
1702         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
1703         (__resource_adaptor_common::__guaranteed_alignment): New helper to
1704         give maximum alignment an allocator guarantees. Specialize for known
1705         allocators using new and malloc.
1706         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
1707         (__resource_adaptor_imp::do_deallocate): Likewise.
1708         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1709         Check that new and delete are called with expected sizes.
1710
1711 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1712
1713         PR libstdc++/86595
1714         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
1715         noexcept.
1716
1717 2018-07-20  Fangrui Song  <maskray@google.com>
1718
1719         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
1720         _GLIBCXX_VISIBILITY(default).
1721
1722 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1723
1724         PR libstdc++/86603
1725         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
1726
1727 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
1728
1729         * include/std/type_traits (__is_member_object_pointer_helper): Use
1730         __not_<is_function<_Tp>>::type instead of integral_constant.
1731         (__is_member_function_pointer_helper): Likewise for
1732         is_function<_Tp>::type.
1733         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
1734         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
1735         (is_trivially_constructible): Remove redundant use of
1736         is_constructible.
1737         (__is_trivially_copy_assignable_impl): Remove redundant use of
1738         is_copy_assignable.
1739         (__is_trivially_move_assignable_impl): Remove redundant use of
1740         is_move_assignable.
1741         (is_trivially_destructible): Use __bool_constant.
1742         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
1743         tests for scalar types.
1744
1745 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
1746
1747         * include/bits/stl_algobase.h (__copy_move_a): Used
1748         __is_trivially_copyable.
1749         (__copy_move_backward_a): Likewise.
1750         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1751         New test.
1752
1753 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
1754
1755         PR libstdc++/86450
1756         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
1757         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
1758         * configure: Regenerate.
1759         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
1760         * doc/Makefile.in: Regenerate.
1761         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
1762         * include/Makefile.in: Regenerate.
1763         * libsupc++/Makefile.in: Regenerate.
1764         * po/Makefile.in: Regenerate.
1765         * python/Makefile.in: Regenerate.
1766         * src/Makefile.in: Regenerate.
1767         * src/c++11/Makefile.in: Regenerate.
1768         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
1769         from -Wabi=2 that don't affect exported symbols.
1770         * src/c++98/Makefile.in: Regenerate.
1771         * src/filesystem/Makefile.in: Regenerate.
1772         * testsuite/Makefile.in: Regenerate.
1773
1774         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
1775         (_Async_state_common::_M_join): Simplify use of std::call_once and
1776         corresponding explicit instantiation.
1777         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
1778         (__bind_simple): Remove definitions and explicit instantiation that
1779         are not required by exported symbols.
1780
1781 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
1782
1783         * scripts/create_testsuite_files: Fix typo in comment.
1784
1785         PR libstdc++/86537
1786         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
1787         non-standard partial specialization.
1788         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
1789         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
1790         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
1791
1792 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
1793
1794         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1795         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1796         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1797
1798 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
1799
1800         * include/debug/functions.h (__gnu_debug::__check_string): Move...
1801         * include/debug/string (__gnu_debug::__check_string): ... here.
1802         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
1803         (__glibcxx_check_string_n_constructor): New.
1804         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
1805         Use latter.
1806         (__glibcxx_check_string_constructor): New.
1807         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
1808         Use latter.
1809         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
1810         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
1811
1812 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
1813
1814         PR libstdc++/84928 use std::move in <numeric> algorithms
1815         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
1816         conditionally move, according to __cplusplus value.
1817         (accumulate, inner_product, partial_sum, adjacent_difference): Use
1818         _GLIBCXX_MOVE_IF_20.
1819         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
1820         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
1821         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
1822         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
1823
1824         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
1825
1826         P0935R0 Eradicating unnecessarily explicit default constructors
1827         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
1828         default constructor symbols.
1829         * include/std/sstream (basic_stringbuf, basic_istringstream)
1830         (basic_ostringstream, basic_stringstream): Remove default arguments
1831         from explicit constructors taking ios_base::openmode and add separate
1832         non-explicit default constructors.
1833         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
1834         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
1835         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
1836         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
1837         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
1838
1839         * include/std/variant (__accepted_index): Use void_t.
1840
1841 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
1842
1843         PR libstdc++/85831
1844         * config/abi/pre/gnu.ver: Export move constructors and move
1845         assignment operators for std::logic_error and std::runtime_error.
1846         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
1847         _GLIBCXX_USE_NOEXCEPT.
1848         (logic_error, runtime_error): Declare move constructors and move
1849         assignment operators. When not declared already, define copy
1850         constructors and copy assignment operators as explicit-defaulted.
1851         (domain_error, invalid_argument, length_error, out_of_range)
1852         (overflow_error, underflow_error): Define move constructors and move
1853         assignment operators as explicitly-defaulted.
1854         * libsupc++/exception.h (exception): Likewise.
1855         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
1856         move constructors and move assignment operators as defaulted.
1857         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
1858         assignment operators are defined.
1859
1860         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
1861         COW strings.
1862         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1863         Likewise.
1864         * testsuite/21_strings/basic_string/requirements/
1865         explicit_instantiation/debug.cc: Likewise.
1866
1867         PR libstdc++/58265
1868         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1869         (basic_string::assign(basic_string&&)): Add conditional noexcept
1870         depending on the allocator's is_always_equal property (LWG 2063).
1871         * testsuite/21_strings/basic_string/modifiers/assign/char/
1872         move_assign.cc: Check for non-throwing exception specification.
1873         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
1874         move_assign.cc: Likewise.
1875
1876         PR libstdc++/58265
1877         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1878         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
1879         Add GLIBCXX_NOEXCEPT.
1880         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
1881         to depend on the allocator's is_always_equal property (LWG 2063).
1882         (basic_string::swap(basic_string&)): Likewise.
1883         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
1884         (basic_string::swap(basic_string&)): Likewise.
1885         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
1886         Check is_nothrow_move_assignable.
1887         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
1888         Check is_nothrow_move_assignable.
1889         * testsuite/21_strings/basic_string/cons/char/
1890         noexcept_move_construct.cc: Likewise.
1891         * testsuite/21_strings/basic_string/cons/wchar_t/
1892         noexcept_move_construct.cc: Likewise.
1893
1894 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1895
1896         P0646R1 Improving the Return Value of Erase-Like Algorithms I
1897         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
1898         Define.
1899         (forward_list::__remove_return_type): Define typedef as size_type or
1900         void, according to __cplusplus value.
1901         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1902         empty, according to __cplusplus value.
1903         (forward_list::remove, forward_list::unique): Use typedef and macro
1904         to change return type and add abi-tag for C++2a.
1905         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
1906         typedef to change return type for C++2a.
1907         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
1908         (forward_list::remove, forward_list::remove_if<Pred>)
1909         (forward_list::unique<BinPred>): Return number of removed elements
1910         for C++2a.
1911         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
1912         (list::remove, list::unique, list::remove_if<Predicate>)
1913         (list::unique<BinaryPredicate>): Return number of removed elements
1914         for C++2a.
1915         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
1916         (list::__remove_return_type): Define typedef as size_type or
1917         void, according to __cplusplus value.
1918         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1919         empty, according to __cplusplus value.
1920         (list::remove, list::unique): Use typedef and macro to change return
1921         type and add abi-tag for C++2a.
1922         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
1923         typedef to change return type for C++2a.
1924         * include/std/version (__cpp_lib_list_remove_return_type): Define.
1925         * testsuite/23_containers/forward_list/operations/
1926         remove_cxx20_return.cc: New.
1927         * testsuite/23_containers/forward_list/operations/
1928         unique_cxx20_return.cc: New.
1929
1930         P0458R2 Checking for Existence of an Element in Associative Containers
1931         * include/bits/stl_map.h (map::contains): Add for C++2a.
1932         * include/bits/stl_multimap.h (multimap::contains): Likewise.
1933         * include/bits/stl_multiset.h (multiset::contains): Likewise.
1934         * include/bits/stl_set.h (set::contains): Likewise.
1935         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
1936         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
1937         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
1938         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
1939         * include/bits/unordered_map.h (unordered_map::contains)
1940         (unordered_multimap::contains): Add for C++2a.
1941         * include/bits/unordered_set.h (unordered_set::contains)
1942         (unordered_multiset::contains): Likewise.
1943         * testsuite/23_containers/map/operations/contains.cc: New.
1944         * testsuite/23_containers/multimap/operations/contains.cc: New.
1945         * testsuite/23_containers/multiset/operations/contains.cc: New.
1946         * testsuite/23_containers/set/operations/contains.cc: New.
1947         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
1948         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
1949         New.
1950         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
1951         New.
1952         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
1953
1954 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
1955
1956         PR libstdc++/86272
1957         * include/debug/string
1958         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
1959         Use __glibcxx_check_insert_range.
1960         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
1961         __gnu_debug::string when _GLIBCXX_DEBUG.
1962         * 21_strings/basic_string/init-list.cc: Likewise.
1963         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
1964         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
1965         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
1966         * 21_strings/basic_string/types/1.cc: Likewise.
1967
1968 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1969
1970         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
1971         target for std::random_device.
1972         * testsuite/26_numerics/random/random_device/cons/default.cc:
1973         Likewise.
1974         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1975         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1976         * testsuite/experimental/random/randint.cc: Likewise.
1977         * testsuite/lib/libstdc++.exp
1978         (check_effective_target_random_device): New proc.
1979
1980 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1981             Jakub Jelinek  <jakub@redhat.com>
1982
1983         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
1984
1985 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1986
1987         PR libstdc++/86398
1988         * include/std/type_traits (is_trivially_constructible): Check
1989         is_constructible before __is_trivially_constructible.
1990         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
1991         tests, including negative cases.
1992         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
1993         zero for dg-error lineno.
1994         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
1995         Likewise.
1996
1997         * include/std/bit (__rotl, __rotr): Avoid branch.
1998         (_If_is_unsigned_integer): Use remove_cv_t.
1999         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
2000
2001 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
2002
2003         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
2004         * include/Makefile.am: Add new header.
2005         * include/Makefile.in: Regenerate.
2006         * include/precompiled/stdc++.h: Include new header.
2007         * include/std/bit: New header.
2008         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
2009         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
2010         Define for C++14.
2011         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
2012         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
2013         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
2014         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
2015         std::byte.
2016         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
2017         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
2018         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
2019         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
2020         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
2021         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
2022         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
2023         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
2024         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
2025         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
2026
2027         * include/bits/alloc_traits.h: Remove redundant preprocessor
2028         condition.
2029
2030 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
2031
2032         * include/bits/stl_algobase.h (__niter_wrap): New.
2033         (__copy_move_a2(_II, _II, _OI)): Use latter.
2034         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
2035         (fill_n(_OI, _Size, const _Tp&)): Likewise.
2036         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
2037         * include/debug/stl_iterator.h
2038         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
2039         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
2040         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
2041         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
2042
2043 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
2044
2045         P0758R1 Implicit conversion traits
2046         * include/std/type_traits [__cplusplus > 201703]
2047         (__is_convertible_helper::__is_nothrow_type): Define new member.
2048         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
2049         noexcept.
2050         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
2051         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
2052         new members.
2053         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
2054         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
2055         * testsuite/20_util/is_nothrow_convertible/requirements/
2056         explicit_instantiation.cc: New.
2057         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
2058         New.
2059
2060         P0887R1 The identity metafunction
2061         * include/std/type_traits (type_identity, type_identity_t): Define
2062         for C++2a.
2063         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
2064         * testsuite/20_util/type_identity/requirements/
2065         explicit_instantiation.cc:New.
2066         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
2067
2068         * include/bits/regex.h (sub_match::operator string_type): Call str().
2069         (sub_match::compare): Use _M_str() instead of str().
2070         (sub_match::_M_compare): New public function.
2071         (sub_match::__string_view): New helper type.
2072         (sub_match::_M_str): New overloaded functions to avoid creating a
2073         string_type object when not needed.
2074         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
2075         Use sub_match::_M_compare instead of creating string_type objects.
2076         Fix Doxygen comments.
2077         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
2078         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
2079         simplify.
2080         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
2081         __enable_if_t.
2082         * include/std/type_traits (__enable_if_t): Define for C++11.
2083         * testsuite/28_regex/sub_match/compare.cc: New.
2084         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
2085         trait.
2086         (input_iterator_wrapper): Use remove_cv for value_type argument of
2087         std::iterator base class.
2088
2089 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
2090
2091         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
2092         Add whitespace to dejagnu directive.
2093         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
2094
2095 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
2096
2097         * include/bits/stl_vector.h
2098         (struct _Vector_base<>::_Vector_impl_data): New.
2099         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
2100         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
2101         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
2102         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
2103         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
2104         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
2105         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
2106         (_Vector_base()): Default.
2107         (_Vector_base(_Vector_base&&)): Default.
2108         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
2109         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
2110         (_Vector_base::_M_create_storage(size_t)): Make protected.
2111         (vector()): Default.
2112         (vector(vector&&)): Default.
2113         (vector(vector&&, const allocator_type&, true_type)): New.
2114         (vector(vector&&, const allocator_type&, false_type)): New.
2115         (vector(vector&&, const allocator_type&)): Use latters.
2116         (vector(_InputIte, _InputIte, const allocator_type&)): Call
2117         _M_range_initialize directly.
2118         * include/debug/vector
2119         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
2120         * testsuite/23_containers/vector/allocator/default_init.cc: New.
2121         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
2122         static assertions.
2123
2124 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
2125
2126         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
2127         (__is_byte<byte>): Define specialization for std::byte.
2128
2129         PR libstdc++/86138
2130         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
2131         Declare explicit instantiations of COW empty reps and I/O functions.
2132
2133 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
2134
2135         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
2136         directives.
2137         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2138
2139 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
2140
2141         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
2142         noexcept.
2143
2144 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
2145
2146         PR libstdc++/86112
2147         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2148         Replace dict comprehension.
2149
2150         PR libstdc++/81092
2151         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2152
2153         PR libstdc++/86292
2154         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
2155         Add try-catch block.
2156         * testsuite/23_containers/vector/cons/86292.cc: New.
2157
2158         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
2159
2160         * include/experimental/algorithm (sample, shuffle): Add new overloads
2161         using per-thread random number engine.
2162         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
2163         dependencies by using __gnu_test::test_container.
2164         * testsuite/experimental/algorithm/sample-2.cc: New.
2165         * testsuite/experimental/algorithm/shuffle.cc: New.
2166
2167 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
2168
2169         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
2170         different size_t mangling on 32-bit targets.
2171
2172         PR libstdc++/86280
2173         * include/experimental/memory_resource
2174         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
2175         enough for result of left shift.
2176
2177         PR libstdc++/86138
2178         * include/bits/basic_string.tcc:
2179         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
2180         (basic_string<char>::_Rep::_S_empty_rep_storage)
2181         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
2182         instantiation declarations.
2183         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
2184         explicit instantiation declarations.
2185         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
2186         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
2187
2188 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
2189
2190         PR libstdc++/83328
2191         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
2192         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
2193         * configure: Regenerate.
2194         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2195         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
2196         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2197         (basic_string::insert(iterator, initializer_list<C>)): Suppress
2198         definition.
2199         * include/debug/string (basic_string::insert(iterator, C)): Change
2200         first parameter to const_iterator.
2201         (basic_string::insert(iterator, size_type, C)): Likewise. Change
2202         return type to iterator.
2203         (basic_string::insert(iterator, InputIterator, InputIterator)):
2204         Likewise.
2205         (basic_string::insert(iterator, initializer_list<C>)): Change first
2206         parameter to const_iterator and return type to iterator.
2207         * src/c++11/string-inst.cc: Extend comment.
2208         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
2209         New.
2210         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
2211         New.
2212         * testsuite/util/testsuite_abi.cc: Add new symbol version.
2213
2214         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2215
2216         PR libstdc++/70940
2217         * include/experimental/memory_resource
2218         (__resource_adaptor_imp::do_deallocate): Add missing return.
2219         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
2220         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2221         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
2222         __gnu_cxx::malloc_allocator.
2223
2224         PR libstdc++/70940
2225         * include/experimental/memory_resource (__resource_adaptor_common):
2226         New base class.
2227         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
2228         pointer from unaligned, and vice versa.
2229         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
2230         allocated pointer to meet alignment request.
2231         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
2232         original pointer for deallocation.
2233         (__resource_adaptor_imp::do_is_equal): Reformat.
2234         (__resource_adaptor_imp::_S_aligned_size): Remove.
2235         (__resource_adaptor_imp::_S_supported): Remove.
2236         (new_delete_resource): Use __gnu_cxx::new_allocator.
2237         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2238         extended alignments and use debug_allocator to check for matching
2239         allocate/deallocate pairs.
2240
2241 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
2242
2243         * include/debug/safe_iterator.h
2244         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
2245         Compare __x base iterator with a value-initialized iterator of the
2246         same type.
2247
2248 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
2249
2250         PR libstdc++/70966
2251         * include/experimental/memory_resource (__resource_adaptor_imp): Add
2252         static assertions to enforce requirements on pointer types.
2253         (__resource_adaptor_imp::get_allocator()): Add noexcept.
2254         (new_delete_resource, null_memory_resource): Return address of an
2255         object with dynamic storage duration.
2256         (__null_memory_resource): Remove.
2257         * testsuite/experimental/memory_resource/70966.cc: New.
2258
2259         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
2260         missed from recent commit.
2261
2262 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
2263
2264         * include/std/utility: Remove unused <exception> header.
2265
2266 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2267
2268         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
2269         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
2270         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
2271         a specialization of std::pair.
2272         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
2273         pair elements are constructed correctly.
2274
2275         LWG 2989 hide path iostream operators from normal lookup
2276         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
2277         friends.
2278         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
2279
2280         LWG 3050 Fix cv-qualification of convertibility constraints
2281         * include/std/chrono (duration, operator*, operator/, operator%): Use
2282         const-qualified type as source type in is_convertible constraints.
2283         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
2284         * testsuite/20_util/duration/cons/dr3050.cc: New.
2285         * testsuite/20_util/duration/literals/range.cc: Rename to...
2286         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
2287         dg-error lineno.
2288
2289 2018-06-18  Maya Rashish  <coypu@sdf.org>
2290
2291         * crossconfig.m4: Handle OpenBSD just like NetBSD.
2292         * configure: Rebuilt.
2293
2294 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2295
2296         P0754R2 <version> header
2297         * include/Makefile.am: Add new header.
2298         * include/Makefile.in: Regenerate.
2299         * include/bits/c++config: Change doxygen comment to suggest <version>
2300         instead of <iosfwd>.
2301         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
2302         unconditionally.  Add C++17 and C++20 headers.
2303         * include/std/version: New header.
2304         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
2305         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
2306         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
2307         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
2308         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
2309         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
2310         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
2311         New.
2312         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
2313         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
2314         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
2315         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
2316         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
2317         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
2318         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
2319         New.
2320         * testsuite/18_support/headers/version/macros.cc: New.
2321         * testsuite/18_support/headers/version/macros.cc: New.
2322
2323         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
2324         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
2325         symlink.
2326         * config.h.in: Regenerate.
2327         * configure: Regenerate.
2328         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
2329
2330         LWG 3035. std::allocator's constructors should be constexpr
2331         * include/bits/allocator.h (allocator): Add constexpr to constructors
2332         for C++2a. Replace dynamic exception specifications with NOTHROW
2333         macro.
2334         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
2335         NOTHROW.
2336         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
2337         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
2338         to constructors for C++2a.
2339         * include/ext/new_allocator.h (new_allocator): Likewise.
2340
2341 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
2342
2343         LWG 3076 basic_string CTAD ambiguity
2344         * doc/xml/manual/intro.xml: Document LWG 3076 change.
2345         * include/bits/basic_string.h
2346         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2347         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
2348         template constrained by _RequireAllocator.
2349         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
2350         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
2351         Define.
2352         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2353         deduction
2354         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2355         Likewise.
2356
2357 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
2358
2359         PR libstdc++/86169
2360         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2361         (basic_string::data()): Unshare string.
2362         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
2363         New.
2364
2365         * include/std/string_view (basic_string_view(const CharT*)): Remove
2366         check for null pointer and add nonnull attribute.
2367         (compare(const CharT*), compare(size_type, size_type, const CharT*))
2368         (find(const CharT*, size_type), rfind(const CharT*, size_type))
2369         (find_first_of(const CharT*, size_type))
2370         (find_last_of(const CharT*, size_type))
2371         (find_first_not_of(const CharT*, size_type))
2372         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
2373         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
2374         * testsuite/21_strings/basic_string_view/operations/compare/char/
2375         nonnull.cc: New.
2376         * testsuite/21_strings/basic_string_view/operations/find/char/
2377         nonnull.cc: New.
2378         * testsuite/21_strings/basic_string_view/operations/rfind/char/
2379         nonnull.cc: New.
2380
2381         PR libstdc++/86168
2382         * include/bits/random.h (random_device(const string&)): Remove
2383         default argument.
2384
2385         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
2386         define for C++17 and above.
2387
2388         LWG 2993 reference_wrapper<T> conversion from T&&
2389         * doc/xml/manual/intro.xml: Document LWG 2993 change.
2390         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
2391         (reference_wrapper(_Tp&&)): Remove.
2392         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
2393         template.
2394         (reference_wrapper): Add deduction guide.
2395         * testsuite/20_util/reference_wrapper/deduction.cc: New.
2396         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
2397
2398         LWG 3039 Unnecessary decay in thread and packaged_task
2399         * include/std/future (__constrain_pkgdtask): Replace with ...
2400         (packaged_task::__not_same): New alias template, using
2401         __remove_cvref_t instead of decay.
2402         * include/std/thread (thread::__not_same): Add comment.
2403
2404 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
2405
2406         LWG 3075 basic_string needs deduction guides from basic_string_view
2407         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2408         deduction from string views.
2409         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2410         Likewise.
2411
2412         LWG 3074 make scalar types non-deduced in valarray non-member functions
2413         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
2414         scalar parameters to be a non-deduced context.
2415         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
2416         whitespace.
2417         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
2418         * testsuite/26_numerics/valarray/transcend.cc: New.
2419
2420         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
2421         Move back to <utility>.
2422         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
2423         Restore to here.
2424
2425         P0935R0 Eradicating unnecessarily explicit default constructors
2426         * include/backward/strstream (strstreambuf): Add non-explicit default
2427         constructor.
2428         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
2429         Likewise.
2430         * include/bits/regex.h (match_results): Likewise.
2431         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
2432         default constructor.
2433         * testsuite/22_locale/conversions/string/1.cc: Likewise.
2434         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
2435         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
2436
2437         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
2438         macro from <utility> and change type to long.
2439         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
2440         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
2441         macro.
2442
2443         P0935R0 Eradicating unnecessarily explicit default constructors
2444         * include/bits/random.h (uniform_real_distribution::param_type)
2445         (normal_distribution::param_type, lognormal_distribution::param_type)
2446         (gamma_distribution::param_type, chi_squared_distribution::param_type)
2447         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
2448         (student_t_distribution::param_type)
2449         (bernoulli_distribution::param_type)
2450         (binomial_distribution::param_type)
2451         (geometric_distribution::param_type)
2452         (negative_binomial_distribution::param_type)
2453         (poisson_distribution::param_type)
2454         (exponential_distribution::param_type)
2455         (weibull_distribution::param_type)
2456         (extreme_value_distribution::param_type): Add non-explicit default
2457         constructors. Remove default argument for first parameter of explicit
2458         constructors.
2459         * include/bits/uniform_int_dist.h
2460         (uniform_int_distribution::param_type): Likewise.
2461         * include/ext/random
2462         (beta_distribution::param_type, rice_distribution::param_type)
2463         (nakagami_distribution::param_type, pareto_distribution::param_type)
2464         (k_distribution::param_type, arcsine_distribution::param_type)
2465         (hoyt_distribution::param_type, triangular_distribution::param_type)
2466         (von_mises_distribution::param_type)
2467         (hypergeometric_distribution::param_type)
2468         (logistic_distribution::param_type)
2469         (uniform_inside_sphere_distribution::param_type): Likewise.
2470         (uniform_on_sphere_distribution::param_type): Make default constructor
2471         non-explicit.
2472         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2473         Test param_type for non-explicit default constructor.
2474         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2475         Likewise.
2476         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2477         Likewise.
2478         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2479         Likewise.
2480         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2481         Likewise.
2482         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2483         Likewise.
2484         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2485         Likewise.
2486         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2487         Likewise.
2488         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2489         Likewise.
2490         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2491         Likewise.
2492         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2493         Likewise.
2494         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2495         Likewise.
2496         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2497         Likewise.
2498         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2499         Likewise.
2500         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2501         Likewise.
2502         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2503         Likewise.
2504         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2505         Likewise.
2506         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2507         Likewise.
2508         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2509         Likewise.
2510         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2511         Likewise.
2512         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2513         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2514         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2515         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2516         Likewise.
2517         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2518         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2519         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2520         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2521         Likewise.
2522         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2523         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2524         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2525         Likewise.
2526         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2527         Likewise.
2528         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2529         Likewise.
2530         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2531         Likewise.
2532
2533 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
2534             Jonathan Wakely  <jwakely@redhat.com>
2535
2536         PR libstdc++/83982
2537         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
2538         Default-construct new elements before moving existing ones.
2539         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
2540         New.
2541
2542 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
2543
2544         PR libstdc++/86127
2545         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
2546         unused typedef.
2547         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
2548         Use node allocator to create and destroy elements.
2549         (forward_list::_Tp_alloc_type): Remove unused typedef.
2550         (forward_list::_Alloc_traits): Use allocator_traits instead of
2551         __gnu_cxx::__alloc_traits.
2552
2553 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
2554
2555         * include/debug/helper_functions.h
2556         (__gnu_debug::_Safe_iterator<>): Add declaration.
2557         (__can_advance(_Ite, _Size)): New.
2558         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
2559         * include/debug/functions.h
2560         (__gnu_debug::_Safe_iterator<>): Remove declaration.
2561         * include/debug/stl_iterator.h
2562         (__can_advance(const _Safe_iterator<>&)): New definition.
2563         * include/debug/stl_iterator.h
2564         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
2565         (__can_advance(const std::move_iterator<>&, _Size)): New.
2566         * include/debug/macros.h (__glibcxx_check_can_increment): New.
2567         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
2568         * include/bits/stl_algobase.h (fill_n): Use latter.
2569         * testsuite/25_algorithms/fill_n/2.cc: New.
2570         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
2571         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
2572         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
2573         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
2574
2575         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
2576         (__glibcxx_requires_can_decrement_range): New.
2577
2578 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
2579
2580         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
2581         (__glibcxx_check_can_decrement_range): New.
2582         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
2583         __glibcxx_requires_can_increment_range.
2584         (std::move(_II, _II, _OI)): Likewise.
2585         (std::copy_backward(_BI, _BI, _BI2)): Use
2586         __glibcxx_requires_can_decrement_range.
2587         (std::move_backward(_BI, _BI, _BI2)): Likewise.
2588         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
2589         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
2590         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
2591         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
2592         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
2593         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
2594
2595 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
2596
2597         P0935R0 Eradicating unnecessarily explicit default constructors
2598         * include/bits/random.h (linear_congruential_engine)
2599         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
2600         (uniform_real_distribution, normal_distribution)
2601         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
2602         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
2603         (bernoulli_distribution, binomial_distribution,geometric_distribution)
2604         (negative_binomial_distribution, exponential_distribution)
2605         (weibull_distribution, extreme_value_distribution): Add non-explicit
2606         default constructors. Remove default argument for first parameter of
2607         explicit constructors.
2608         (piecewise_constant_distribution, piecewise_linear_distribution):
2609         Make default constructor non-explicit.
2610         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
2611         non-explicit default constructors. Remove default argument for first
2612         parameter of explicit constructor.
2613         * include/ext/random
2614         (simd_fast_mersenne_twister_engine, beta_distribution)
2615         (rice_distribution, nakagami_distribution, pareto_distribution)
2616         (k_distribution, arcsine_distribution, hoyt_distribution)
2617         (triangular_distribution, von_mises_distribution)
2618         (hypergeometric_distribution, logistic_distribution)
2619         (uniform_inside_sphere_distribution): Likewise.
2620         (uniform_on_sphere_distribution): Make default constructor
2621         non-explicit.
2622         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2623         Test for non-explicit default constructor. Fix references to standard.
2624         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2625         Likewise.
2626         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2627         Likewise.
2628         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2629         Likewise.
2630         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2631         Likewise.
2632         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2633         Likewise.
2634         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2635         Likewise.
2636         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2637         Likewise.
2638         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2639         Likewise.
2640         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2641         Likewise.
2642         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2643         Likewise.
2644         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2645         Likewise.
2646         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2647         Likewise.
2648         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2649         Likewise.
2650         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2651         Likewise.
2652         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2653         Likewise.
2654         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2655         Likewise.
2656         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2657         Likewise.
2658         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2659         Likewise.
2660         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2661         Likewise.
2662         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2663         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2664         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2665         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2666         Likewise.
2667         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2668         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2669         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2670         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2671         Likewise.
2672         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2673         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2674         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2675         Likewise.
2676         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2677         Likewise.
2678         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2679         Likewise.
2680         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2681         Likewise.
2682         * testsuite/util/testsuite_common_types.h
2683         (implicitly_default_constructible): New helper.
2684
2685 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
2686
2687         * include/bits/ios_base.h (ios::Init::Init(const Init&))
2688         (ios::Init::operator=): Define as defaulted.
2689         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
2690         Likewise.
2691         * include/bits/stream_iterator.h (istream_iterator::operator=)
2692         (ostream_iterator::operator=): Likewise.
2693         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
2694         Likewise.
2695         * include/std/bitset (bitset::reference::reference(const reference&)):
2696         Likewise.
2697         * include/std/complex (complex<float>::complex(const complex&))
2698         (complex<double>::complex(const complex&))
2699         (complex<long double>::complex(const complex&)): Likewise.
2700
2701 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
2702
2703         * include/bits/regex.h (sub_match): Add noexcept to default
2704         constructor and length observer.
2705         (match_results): Add noexcept to default constructor and observers
2706         with no preconditions. Define destructor as defaulted.
2707         (operator==, operator!=, swap): Add noexcept.
2708         (regex_iterator): Add default member initializers and define default
2709         constructor and destructor as defaulted. Add noexcept to equality
2710         and dereference operators.
2711
2712 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
2713
2714         * src/c++11/debug.cc
2715         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
2716         (_Safe_iterator_base::_M_detach_single()): Likewise.
2717         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
2718         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
2719
2720 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2721
2722         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
2723         move of const value.
2724
2725 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
2726
2727         PR c++/86068
2728         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
2729         rather than __cpp_transactional_memory >= 201505L.
2730
2731 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2732
2733         PR libstdc++/86008
2734         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
2735         Define new partial specialization.
2736         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
2737         new overload.
2738         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
2739         value not reference for iteration.
2740         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
2741         comment.
2742         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
2743         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
2744         comment.
2745
2746 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
2747
2748         * include/std/type_traits: Fix comment typos.
2749
2750         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
2751         mingw* targets.
2752         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2753         * testsuite/experimental/filesystem/operations/read_symlink.cc:
2754         Likewise.
2755
2756 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
2757
2758         * include/bits/stl_tempbuf.h
2759         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
2760         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
2761         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
2762         * include/bits/stl_algo.h (__stable_partition): Adapt.
2763         (__inplace_merge): Adapt.
2764         (__stable_sort): Adapt.
2765
2766 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
2767
2768         PR libstdc++/85930
2769         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
2770         unconditionally. Remove redundant declaration.
2771         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
2772         alignment-specifier.
2773
2774         * include/bits/postypes.h (fpos): Define special members as defaulted.
2775
2776         PR libstdc++/85930
2777         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
2778         the static variable correctly.
2779
2780 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2781
2782         PR libstdc++/78870 support std::filesystem on Windows
2783         * config.h.in: Regenerate.
2784         * configure: Regenerate.
2785         * configure.ac: Check for link, readlink and symlink.
2786         * include/bits/fs_path.h (path::operator/=(const path&)): Move
2787         definition out of class body.
2788         (path::is_absolute(), path::_M_append(path)): Likewise.
2789         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
2790         (operator>>(basic_istream, path&)): Likewise.
2791         (u8path): Reorder definitions and fix Windows implementation.
2792         (path::is_absolute()): Define inline and fix for Windows.
2793         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2794         Define POSIX version inline.
2795         (path::_M_append(path)): Define inline.
2796         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
2797         definition out of class body.
2798         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
2799         escape characters.
2800         (operator>>(basic_istream, path&)): Likewise.
2801         (path::is_absolute()): Define inline and fix for Windows.
2802         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
2803         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
2804         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
2805         Define as adaptors for Windows functions/types or as
2806         using-declarations for POSIX functions/types.
2807         (_Dir_base, get_file_type): Qualify names to use declarations from
2808         __gnu_posix namespace.
2809         (_Dir_base::is_dor_or_dotdot): New helper functions.
2810         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
2811         names to use declarations from __gnu_posix namespace.
2812         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
2813         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
2814         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
2815         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
2816         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
2817         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
2818         Define as adaptors for Windows functions/types or as
2819         using-declarations for POSIX functions/types.
2820         (stat_type, do_copy_file): Qualify names to use declarations from
2821         __gnu_posix namespace.
2822         (do_space): Declare new function.
2823         (make_file_type): Only use S_ISLNK if defined.
2824         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
2825         path::value_type not char.
2826         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2827         names to use declarations from __gnu_posix namespace.
2828         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2829         add implementation for Windows.
2830         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2831         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2832         [!_PC_PATH_MAX]: Don't use pathconf.
2833         [PATH_MAX]: Use if defined.
2834         (filesystem::current_path(const path&, error_code&))
2835         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2836         (filesystem::last_write_time, filesystem::permissions): Use names
2837         from __gnu_posix.
2838         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2839         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2840         implementation for Windows.
2841         (filesystem::rename, filesystem::resize_file): Use names from
2842         __gnu_posix.
2843         (filesystem::space): Use do_space.
2844         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
2845         (filesystem::status, filesystem::symlink_status): Use names from
2846         __gnu_posix.
2847         (filesystem::temp_directory_path): Add implementation for Windows.
2848         * src/filesystem/path.cc (dot): Define constant.
2849         (path::replace_extension): Use dot.
2850         (path::_M_find_extension): Likewise. Use path::string_type not
2851         std::string.
2852         (path::_M_split_cmpts): Use dot.
2853         (filesystem_error::_M_get_what): Use u8string() not native().
2854         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
2855         Qualify names to use declarations from __gnu_posix namespace.
2856         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
2857         correct error_code.
2858         (filesystem::absolute(const path&, error_code&)): Add implementation
2859         for Windows.
2860         (char_ptr, filesystem::canonical): Use path::value_type not char.
2861         (do_copy_file): Use names from __gnu_posix.
2862         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
2863         sendfile.
2864         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2865         names to use declarations from __gnu_posix namespace.
2866         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2867         add implementation for Windows.
2868         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2869         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2870         [!_PC_PATH_MAX]: Don't use pathconf.
2871         [PATH_MAX]: Use if defined.
2872         (filesystem::current_path(const path&, error_code&))
2873         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2874         (filesystem::last_write_time, filesystem::permissions): Use names
2875         from __gnu_posix.
2876         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2877         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2878         implementation for Windows.
2879         (filesystem::rename, filesystem::resize_file): Use names from
2880         __gnu_posix.
2881         (do_space): Define.
2882         (filesystem::space): Use do_space.
2883         (filesystem::status, filesystem::symlink_status): Use names from
2884         __gnu_posix.
2885         (filesystem::temp_directory_path): Add implementation for Windows.
2886         * src/filesystem/std-path.cc
2887         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2888         Define for Windows.
2889         (dot): Define constant.
2890         (path::replace_extension, is_dot): Use dot.
2891         (path::lexically_normal): Check _M_type instead of calling
2892         non-existent function.
2893         (path::_M_find_extension): Use dot. Use path::string_type not
2894         std::string.
2895         (path::_M_split_cmpts): Use dot.
2896         (filesystem_error::_M_get_what): Use u8string() not native().
2897         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
2898         use symlinks.
2899         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2900         Likewise.
2901         * testsuite/27_io/filesystem/operations/absolute.cc: Use
2902         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
2903         * testsuite/27_io/filesystem/operations/canonical.cc: Use
2904         path::string() to get narrow string, not path::native().
2905         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
2906         with std::filesystem::path not std::basic_string.
2907         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2908         * testsuite/27_io/filesystem/operations/exists.cc: Use
2909         __gnu_test::root_path() instead of "/".
2910         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
2911         fstreams with std::filesystem::path not std::basic_string.
2912         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
2913         path::string() to get narrow string.
2914         * testsuite/27_io/filesystem/operations/space.cc: Check results for
2915         errors, expect sensible values otherwise.
2916         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
2917         helpers for adjusting the environment on Windows.
2918         * testsuite/27_io/filesystem/path/append/path.cc: Test
2919         Windows-specific behaviour.
2920         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
2921         of path::string_type objects.
2922         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
2923         string to wide string on Windows.
2924         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
2925         for backslash as root-directory.
2926         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
2927         path::string() to get narrow string.
2928         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
2929         paths.
2930         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
2931         not std::string.
2932         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
2933         different definintion of absolute paths on Windows.
2934         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2935         Do not use symlinks.
2936         * testsuite/experimental/filesystem/operations/absolute.cc: Test
2937         Windows behaviour.
2938         * testsuite/experimental/filesystem/operations/copy.cc: Construct
2939         fstreams with NTCTS not std::basic_string.
2940         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
2941         * testsuite/experimental/filesystem/operations/exists.cc: Use
2942         __gnu_test::root_path() instead of "/".
2943         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
2944         fstreams with NTCTS not std::basic_string.
2945         * testsuite/experimental/filesystem/operations/last_write_time.cc:
2946         Use path::string() to get narrow string.
2947         * testsuite/experimental/filesystem/operations/space.cc: Use
2948         __gnu_test::root_path() instead of "/".
2949         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
2950         Add helpers for adjusting the environment on Windows.
2951         * testsuite/experimental/filesystem/path/append/path.cc: Use
2952         path::string() to get narrow strings for comparisons.
2953         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
2954         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
2955         Likewise.
2956         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
2957         * testsuite/experimental/filesystem/path/native/string.cc: Use
2958         string_type not std::string.
2959         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
2960         Adjust for different definintion of absolute paths on Windows.
2961         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
2962         function.
2963         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
2964         std::basic_string.
2965
2966 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
2967
2968         PR libstdc++/85951
2969         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
2970         uint_least16_t and uint_least32_t.
2971         (__make_unsigned<wchar_t>): Define unconditionally.
2972         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
2973         typedefs.
2974         (__make_unsigned_selector_base): New type to provide helper templates.
2975         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
2976         __make_unsigned_selector_base helpers.
2977         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
2978         (__make_signed_selector<_Tp, true, false>): Remove intermediate
2979         typedefs.
2980         (__make_signed<wchar_t>, __make_signed<char16_t>)
2981         (__make_signed<char32_t>)): Define unconditionally.
2982         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
2983         wchar_t, char16_t and char32_t are transformed correctly.
2984         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
2985         dg-error lineno.
2986         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
2987         wchar_t, char16_t and char32_t are transformed correctly.
2988         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
2989         dg-error lineno.
2990
2991 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
2992
2993         * include/std/variant (__erased_dtor): Qualify call to __get.
2994
2995 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
2996
2997         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
2998         (_Rb_tree(const allocator_type&)): Use latter.
2999         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
3000         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
3001         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3002         * include/bits/stl_multimap.h
3003         (multimap(const allocator_type&)): Likewise.
3004         (multimap(initializer_list<value_type>, const allocator_type&)):
3005         Likewise.
3006         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
3007         Likewise.
3008         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
3009         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
3010         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3011         * include/bits/stl_multiset.h
3012         (multiset(const allocator_type&)): Likewise.
3013         (multiset(initializer_list<value_type>, const allocator_type&)):
3014         Likewise.
3015         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
3016         Likewise.
3017
3018 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
3019
3020         PR libstdc++/85768
3021         * src/c++11/debug.cc: Remove backtrace usage.
3022
3023 2018-05-24  Maya Rashish  <coypu@sdf.org>
3024
3025         PR target/85904
3026         * crossconfig.m4: Test for aligned_alloc on netbsd.
3027         * configure: Regenerate.
3028
3029 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3030
3031         PR libstdc++/69769
3032         PR libstdc++/85886
3033         * include/bits/atomic_base.h (__atomic_base::value_type)
3034         (__atomic_base::difference_type): Add new typedefs.
3035         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
3036         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
3037         (atomic<T*>::operator++, atomic<T*>::operator--)
3038         (atomic<T*>::operator+=, atomic<T*>::operator-=)
3039         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
3040         to enforce C++17 requirement on pointer arithmetic.
3041         (__atomic_val_t, __atomic_diff_t): New alias templates.
3042         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
3043         (atomic_compare_exchange_weak_explicit)
3044         (atomic_compare_exchange_strong_explicit, atomic_store)
3045         (atomic_exchange, atomic_compare_exchange_weak)
3046         (atomic_compare_exchange_strong): Use __atomic_val_t to make
3047         scalar parameters be non-deduced contexts.
3048         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3049         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
3050         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
3051         parameters.
3052         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
3053         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
3054         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
3055         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3056         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
3057         address types.
3058         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
3059         * testsuite/29_atomics/atomic/69769.cc: New test.
3060         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
3061         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
3062         Disable test for C++17 and later.
3063         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
3064         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
3065         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
3066         test.
3067
3068 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
3069
3070         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
3071         template to alias template.
3072         (path::__value_type_is_char): Use remove_const_t.
3073         (path:_S_string_from_iter): New helper function.
3074         (path::_S_convert(InputIter, __null_terminated))
3075         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3076         Use _S_string_from_iter.
3077         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
3078         rep for COW strings.
3079         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3080         Change from class template to alias template.
3081         (path::__value_type_is_char): Use remove_const.
3082         (path:_S_string_from_iter): New helper function.
3083         (path::_S_convert(InputIter, __null_terminated))
3084         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3085         Use _S_string_from_iter.
3086         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
3087         wide strings.
3088         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
3089         string equality, not path equivalence.
3090         * testsuite/27_io/filesystem/path/construct/format.cc: Check
3091         construction from std::string and std::wstring and input iterators.
3092         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
3093         construction from iterators.
3094         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
3095         exact string equality, not path equivalence.
3096         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
3097         construction from iterators.
3098
3099         * include/bits/fs_path.h (path::_M_type): Change default member
3100         initializer to _Filename.
3101         (path::begin): Create past-the-end iterator for empty path.
3102         * src/filesystem/std-path.cc (path::remove_filename()): Remove
3103         debugging check.
3104         (path::has_relative_path()): Return false for empty filenames.
3105         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
3106         Fix offset of empty final component.
3107         * testsuite/27_io/filesystem/path/itr/components.cc: New.
3108         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
3109
3110 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3111
3112         Add support for opening file streams from wide character strings.
3113         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
3114         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3115         Define new overload.
3116         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
3117         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3118         Declare new overload.
3119         * configure.ac: Check for _wfopen.
3120         * crossconfig.m4: Likewise.
3121         * configure: Regenerate.
3122         * config.h.in: Regenerate.
3123         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
3124         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3125         Define new overload.
3126         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
3127         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3128         Declare new overload.
3129         [_GLIBCXX_HAVE__WFOPEN]
3130         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3131         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
3132         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3133         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
3134         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3135         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
3136         new overloads.
3137         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
3138         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
3139         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
3140         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
3141         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
3142         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
3143         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
3144
3145 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
3146
3147         PR libstdc++/85845
3148         * include/bits/stl_tree.h
3149         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
3150         qualification.
3151
3152 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3153
3154         * src/filesystem/std-ops.cc (absolute): Report an error for empty
3155         paths.
3156         (weakly_canonical(const path&)): Do not call canonical on empty path.
3157         (weakly_canonical(const path&, error_code&)): Likewise.
3158         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
3159
3160         PR libstdc++/85818
3161         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
3162         dg-require-filesystem-ts.
3163
3164         PR libstdc++/85843
3165         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
3166         initialize base class to avoid warnings.
3167
3168 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
3169
3170         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
3171         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
3172         little_endian element in bitmask.
3173         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
3174         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
3175
3176 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
3177
3178         * include/bits/stl_tree.h
3179         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
3180         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
3181         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
3182         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
3183         * include/debug/map.h
3184         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
3185         * include/debug/multimap.h
3186         (multimap(multimap&&, const_allocator_type&)): Likewise.
3187         * include/debug/set.h
3188         (set(set&&, const_allocator_type&)): Likewise.
3189         * include/debug/multiset.h
3190         (multiset(multiset&&, const_allocator_type&)): Likewise.
3191         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
3192         Add checks.
3193         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
3194         Add checks.
3195         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
3196         Add checks.
3197         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
3198         Add checks.
3199         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
3200         Add checks.
3201         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
3202         Add checks.
3203         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
3204         Add checks.
3205         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
3206         Add checks.
3207
3208 2018-05-18  Jason Merrill  <jason@redhat.com>
3209
3210         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
3211         for conversion to const_iterator.  Add defaulted copy ops.
3212         * libsupc++/new (bad_alloc): Add defaulted copy ops.
3213         * libsupc++/exception.h (exception): Add defaulted copy ops.
3214         * include/std/system_error (system_error): Add defaulted copy ops.
3215         * include/std/stdexcept (domain_error, invalid_argument)
3216         (length_error, out_of_range, range_error, overflow_error)
3217         (underflow_error): Add defaulted copy ops.
3218         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
3219         copy assignment.
3220         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
3221         * include/ext/throw_allocator.h (condition_base): Add defaulted
3222         default and copy ctor and copy assignment.
3223
3224 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
3225
3226         PR libstdc++/85098
3227         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
3228         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
3229         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
3230         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
3231         definitions.
3232         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
3233         whitespace.
3234         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
3235         braces around body of do-while.
3236         * testsuite/28_regex/basic_regex/85098.cc: New
3237
3238 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
3239
3240         PR libstdc++/85818
3241         * src/filesystem/path.cc (path::preferred_separator): Add used
3242         attribute.
3243         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
3244
3245         PR libstdc++/85812
3246         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
3247         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
3248         Refactor to separate non-throwing and throwing implementations.
3249         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
3250         if constructing the object throws.
3251
3252 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
3253
3254         PR libstdc++/85749
3255         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
3256         (linear_congruential_engine, mersenne_twister_engine)
3257         (subtract_with_carry_engine, discard_block_engine)
3258         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
3259         constrain function templates taking seed sequences.
3260         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
3261         (mersenne_twister_engine::seed(_Sseq&))
3262         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
3263         match declarations.
3264         * include/ext/random (simd_fast_mersenne_twister_engine): Use
3265         __is_seed_seq to constrain function templates taking seed sequences.
3266         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
3267         Change return type to match declaration.
3268         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
3269         New.
3270         * testsuite/26_numerics/random/independent_bits_engine/cons/
3271         seed_seq2.cc: New.
3272         * testsuite/26_numerics/random/linear_congruential_engine/cons/
3273         seed_seq2.cc: New.
3274         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
3275         seed_seq2.cc: New.
3276         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
3277         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
3278         New.
3279         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
3280         seed_seq2.cc: New.
3281         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
3282         seed_seq2.cc: New.
3283
3284         PR libstdc++/83891
3285         * include/bits/fs_path.h (path::is_absolute()): Use same definition
3286         for all operating systems.
3287         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
3288         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
3289         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
3290         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
3291
3292         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
3293         unused <vector> header.
3294         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3295         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3296         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3297         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3298         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
3299         Likewise.
3300         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3301         Likewise.
3302         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3303         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3304         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3305         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3306         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3307         Likewise.
3308         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3309         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3310         Likewise.
3311         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3312         Likewise.
3313         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3314         Likewise.
3315         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3316         Likewise.
3317         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3318         Likewise.
3319         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3320         Likewise.
3321         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3322         Likewise.
3323         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3324         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3325         Likewise.
3326
3327         PR libstdc++/84159
3328         * include/bits/fs_path.h (path::operator/=, path::append): Construct
3329         temporary path before calling _M_append.
3330         (path::_M_append): Change parameter to path and implement C++17
3331         semantics.
3332         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
3333         and more examples from the standard.
3334         * testsuite/27_io/filesystem/path/append/source.cc: New.
3335         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
3336         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
3337
3338         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
3339         __invoke to prevent ADL.
3340
3341 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
3342
3343         PR libstdc++/81256
3344         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
3345         exceptions from _M_terminate_output().
3346         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
3347         exceptions from close().
3348         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
3349
3350         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
3351         (__valarray_get_storage): Call operator new directly. Remove ignored
3352         top-level restrict qualifier and add malloc attribute instead.
3353         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
3354
3355         PR libstdc++/67554
3356         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
3357         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
3358
3359         PR libstdc++/82966
3360         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
3361         instead of type.
3362         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
3363
3364 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3365
3366         PR libstdc++/80165
3367         * testsuite/20_util/variant/80165.cc: New.
3368
3369 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3370
3371         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
3372         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
3373         of C++11 containers with Debug Mode support.
3374         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
3375         * doc/html/*: Regenerate.
3376
3377 2018-05-10  Jason Merrill  <jason@redhat.com>
3378
3379         * include/bits/regex_compiler.h (_S_cache_size): Change from
3380         function to variable.
3381
3382 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
3383
3384         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
3385         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
3386         argument defaulted to +1.  Doxy comments on same.
3387         * testsuite/special_functions/02_assoc_legendre/
3388         check_value.cc: Regen.
3389         * testsuite/tr1/5_numerical_facilities/special_functions/
3390         02_assoc_legendre/check_value.cc: Regen.
3391
3392 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3393
3394         PR libstdc++/85729
3395         * include/bits/c++config.h (__replacement_assert): Add linkage
3396         specification.
3397         * include/bits/std_abs.h: Add comment to closing brace of block.
3398         * include/c_global/cstddef: Add linkage specification.
3399         * include/c_global/cstring: Likewise.
3400         * include/c_global/cwchar: Likewise.
3401
3402 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
3403
3404         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
3405         Rename in...
3406         (_Safe_iterator<>::_S_constant()): ...that.
3407         * include/debug/safe_local_iterator.h
3408         (_Safe_local_iterator<>::_M_constant()): Rename in...
3409         (_Safe_local_iterator<>::_S_constant()): ...that.
3410         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
3411         (_Iterator_state::__rbegin): New.
3412         (_Iterator_state::__rmiddle): New.
3413         (_Iterator_state::__rend): New.
3414         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
3415         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
3416         iterator type.
3417         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
3418         _Is_iterator)): Likewise.
3419         (_Parameter::_S_reverse_state(_Iterator_state)): New.
3420         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
3421         _Is_iterator)): New.
3422         (_Parameter(std::reverse_iterator<> const&, const char*,
3423         _Is_iterator)): New.
3424         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
3425         const char*, _Is_iterator)): New.
3426         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
3427         New.
3428         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
3429         _Is_iterator)): New.
3430         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
3431         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
3432         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
3433
3434 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
3435
3436         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
3437         Use constexpr if in C++17 mode.
3438         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
3439         Copy from const object.
3440         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
3441
3442 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
3443
3444         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
3445         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
3446         backtrace.
3447
3448         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
3449         * include/debug/functions.h (__check_valid_range): Use latter.
3450         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
3451         use latter.
3452         * include/debug/deque
3453         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3454         * include/debug/forward_list
3455         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
3456         Likewise.
3457         * include/debug/list
3458         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3459         * include/debug/list
3460         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3461         * include/debug/map.h
3462         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3463         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3464         Likewise.
3465         * include/debug/multimap.h
3466         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3467         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
3468         const _Alloc&)): Likewise.
3469         * include/debug/set.h
3470         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3471         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3472         Likewise.
3473         * include/debug/multiset.h
3474         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3475         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
3476         const _Alloc&)): Likewise.
3477         * include/debug/string
3478         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
3479         Likewise.
3480         * include/debug/unordered_map
3481         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
3482         Likewise.
3483         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
3484         const _Alloc&)): Likewise.
3485         * include/debug/unordered_set
3486         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
3487         Likewise.
3488         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
3489         const _Alloc&)): Likewise.
3490         * include/debug/vector
3491         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3492
3493         * include/debug/formatter.h (_Error_formatter::_M_function): New.
3494         (_Error_formatter(const char*, unsigned int)): Adapt.
3495         (_Error_formatter::_M_at): Rename in...
3496         (_Error_formatter::_S_at): ...that and adapt.
3497         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
3498         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
3499         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
3500         when available.
3501
3502 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
3503
3504         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
3505         Use normal std::vector even in Debug Mode.
3506
3507         PR libstdc++/85672
3508         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
3509         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
3510         * include/Makefile.in: Regenerate.
3511         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
3512         within conditional block.
3513
3514 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
3515
3516         * doc/xml/manual/using.xml (table.cmd_options): Document that the
3517         C++17 Filesystem implementation also needs -lstdc++fs.
3518
3519         PR libstdc++/85671
3520         * include/bits/fs_path.h (operator/): Permit copy elision.
3521         * include/experimental/bits/fs_path.h (operator/): Likewise.
3522
3523 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
3524
3525         Moar PR libstdc++/80506
3526         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
3527         Fix magic number used in loop condition.
3528
3529 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
3530
3531         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
3532         * include/std/optional (_Optional_payload): Add noexcept to default
3533         constructor. Re-indent.
3534         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
3535         constructor for copying disengaged payloads.
3536         (_Optional_payload<_Tp, true, false, true>): Likewise.
3537         (_Optional_payload<_Tp, true, true, false>): Likewise.
3538         (_Optional_payload<_Tp, true, false, false>): Likewise.
3539         * testsuite/20_util/optional/cons/85642.cc: New.
3540         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
3541
3542 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
3543
3544         PR libstdc++/82644
3545         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
3546         inline definitions instead of using-declarations.
3547         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
3548         * testsuite/tr1/5_numerical_facilities/special_functions/
3549         07_conf_hyperg/compile_cxx17.cc: New.
3550         * testsuite/tr1/5_numerical_facilities/special_functions/
3551         17_hyperg/compile_cxx17.cc: New.
3552
3553         PR libstdc++/84769
3554         * include/std/variant (visit): Qualify std::get call.
3555
3556         PR libstdc++/85632 use uintmax_t for arithmetic
3557         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
3558         arithmetic in result type.
3559         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
3560         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
3561         is greater than free space.
3562         * testsuite/experimental/filesystem/operations/space.cc: New.
3563
3564         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
3565         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
3566         New.
3567         * testsuite/20_util/remove_cvref/value.cc: New.
3568         * testsuite/20_util/remove_cvref/value_ext.cc: New.
3569
3570         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
3571         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
3572         (append(const basic_string&, size_type, size_type)
3573         (assign(const basic_string&, size_type, size_type)
3574         (insert(size_type, const basic_string&, size_type, size_type)
3575         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3576         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3577         Add default arguments (LWG 2268).
3578         [_GLIBCXX_USE_CXX11_ABI=0]
3579         (append(const basic_string&, size_type, size_type)
3580         (assign(const basic_string&, size_type, size_type)
3581         (insert(size_type, const basic_string&, size_type, size_type)
3582         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3583         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3584         Likewise.
3585         * testsuite/21_strings/basic_string/dr2268.cc: New test.
3586
3587         PR libstdc++/84535
3588         * include/std/thread (thread::__not_same): New SFINAE helper.
3589         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
3590         first argument is not a std::thread. Add static assertion to check
3591         INVOKE expression is valid.
3592         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
3593         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
3594         __invoke_result for return types and remove exception specifications.
3595         * testsuite/30_threads/thread/cons/84535.cc: New.
3596
3597         * include/std/future (__async_result_of): Use __invoke_result instead
3598         of result_of.
3599
3600         * include/std/any (any_cast): Use __remove_cvref_t.
3601         * include/std/tuple (__make_tuple): Likewise.
3602         * include/std/type_traits (__remove_cvref_t): Define.
3603         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
3604         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
3605         * include/std/variant (__erased_hash): Use __remove_cvref_t.
3606
3607 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
3608
3609         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
3610         ensure overloaded comma not used.
3611         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
3612         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
3613         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
3614         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
3615         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
3616         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
3617         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
3618
3619 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
3620
3621         PR libstdc++/68197
3622         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
3623         indices to unsigned.
3624         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
3625         as failure. Refactor error handling.
3626         * testsuite/27_io/ios_base/storage/68197.cc: New.
3627
3628         PR libstdc++/57997
3629         PR libstdc++/83860
3630         * include/bits/gslice_array.h (gslice_array): Define default
3631         constructor as deleted, as per C++11 standard.
3632         * include/bits/mask_array.h (mask_array): Likewise.
3633         * include/bits/slice_array.h (slice_array): Likewise.
3634         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
3635         to namespace __detail.
3636         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
3637         members.
3638         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
3639         of data members in closure objects.
3640         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
3641         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
3642         __detail.
3643         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
3644         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
3645         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
3646         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
3647         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
3648         using-declarations to namespace std.
3649         * testsuite/26_numerics/valarray/83860.cc: New.
3650
3651         * testsuite/backward/strstream_move.cc: Remove duplicate function
3652         call.
3653
3654         PR libstdc++/69608
3655         * include/backward/strstream (strstreambuf): Define move constructor
3656         and move assignment operator.
3657         (istrstream, ostrstream, strstream): Likewise.
3658         * testsuite/backward/strstream_move.cc: New.
3659
3660 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
3661
3662         PR libstdc++/84654
3663         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
3664         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
3665         * configure: Regenerate.
3666         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
3667         based on ENABLE_FLOAT128.
3668         * include/Makefile.in: Regenerate.
3669         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
3670         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
3671         _GLIBCXX_USE_FLOAT128.
3672
3673 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3674
3675         * configure: Regenerated.
3676
3677 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
3678
3679         * configure: Regenerated.
3680
3681 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3682             Jakub Jelinek  <jakub@redhat.com>
3683
3684         PR libstdc++/85442
3685         * src/c++11/Makefile.am: Don't generate debuginfo again for
3686         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
3687         * src/c++11/Makefile.in: Regenerate.
3688
3689 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3690
3691         PR libstdc++/84442
3692         * testsuite/30_threads/thread/cons/terminate.cc
3693         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
3694
3695 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
3696
3697         PR jit/85384
3698         * configure: Regenerate.
3699
3700 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
3701
3702         * testsuite/experimental/filesystem/file_status/1.cc: Add
3703         -DUSE_FILESYSTEM_TS to dg-options.
3704         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3705         Likewise.
3706         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
3707         * testsuite/experimental/filesystem/iterators/
3708         recursive_directory_iterator.cc: Likewise.
3709         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
3710         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3711         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3712         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3713         * testsuite/experimental/filesystem/operations/create_directories.cc:
3714         Likewise.
3715         * testsuite/experimental/filesystem/operations/create_directory.cc:
3716         Likewise.
3717         * testsuite/experimental/filesystem/operations/create_symlink.cc:
3718         Likewise.
3719         * testsuite/experimental/filesystem/operations/current_path.cc:
3720         Likewise.
3721         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
3722         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3723         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
3724         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3725         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3726         Likewise.
3727         * testsuite/experimental/filesystem/operations/permissions.cc:
3728         Likewise.
3729         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3730         Likewise.
3731         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3732         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
3733         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
3734         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3735         Likewise.
3736         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
3737         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
3738         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
3739         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
3740         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
3741         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
3742         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3743         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
3744         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
3745         * testsuite/experimental/filesystem/path/construct/default.cc:
3746         Likewise.
3747         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
3748         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
3749         * testsuite/experimental/filesystem/path/construct/string_view.cc:
3750         Likewise.
3751         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3752         Likewise.
3753         * testsuite/experimental/filesystem/path/decompose/filename.cc:
3754         Likewise.
3755         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
3756         Likewise.
3757         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
3758         Likewise.
3759         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3760         Likewise.
3761         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
3762         Likewise.
3763         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
3764         Likewise.
3765         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3766         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
3767         Likewise.
3768         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
3769         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
3770         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
3771         Likewise.
3772         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
3773         Likewise.
3774         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
3775         Likewise.
3776         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
3777         Likewise.
3778         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
3779         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
3780         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
3781         Likewise.
3782         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3783         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3784         Likewise.
3785         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3786         Likewise.
3787         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3788         Likewise.
3789         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3790         Likewise.
3791         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3792         Likewise.
3793         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3794         Likewise.
3795         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3796         Likewise.
3797         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3798         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3799         Likewise.
3800
3801 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
3802
3803         * src/c++11/Makefile.am: Fix sed command.
3804         * src/c++11/Makefile.in: Regenerate.
3805
3806         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
3807         handle mangled names starting with double underscores on darwin.
3808         * src/c++11/Makefile.in: Regenerate.
3809
3810 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
3811
3812         * src/c++11/Makefile.am: Fix comment.
3813         * src/c++11/Makefile.in: Regenerate.
3814         * src/c++11/cxx11-ios_failure.cc: Fix comment.
3815         * src/c++98/ios_failure.cc: Likewise.
3816
3817         * src/c++11/ios.cc: Remove redundant macro definition.
3818
3819 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
3820
3821         * doc/xml/manual/abi.xml: Document header locations in recent
3822         releases.
3823         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
3824         * doc/xml/manual/spine.xml: Update copyright years.
3825         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
3826         undefined behaviour.
3827         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
3828         * doc/html/*: Regenerate.
3829
3830 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
3831
3832         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
3833         * doc/xml/manual/backwards_compatibility.xml: Likewise.
3834         * doc/xml/manual/containers.xml: Likewise.
3835         * doc/xml/manual/debug_mode.xml: Likewise.
3836         * doc/xml/manual/extensions.xml: Likewise.
3837         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
3838         * doc/xml/manual/using.xml: Likewise.
3839         * doc/xml/manual/utilities.xml: Likewise.
3840
3841         PR libstdc++/85222
3842         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
3843         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
3844         * src/c++11/Makefile.in: Regenerate.
3845         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
3846         New types.
3847         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3848         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
3849         * src/c++98/ios_failure.cc (__construct_ios_failure)
3850         (__destroy_ios_failure, is_ios_failure_handler): New functions.
3851         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3852         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
3853         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
3854         handler types, to always catch std::ios_base::failure.
3855         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3856         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3857         exceptions_failbit.cc: Likewise.
3858         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3859         exceptions_failbit.cc: Likewise.
3860         * testsuite/27_io/basic_istream/extractors_other/char/
3861         exceptions_null.cc: Likewise.
3862         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3863         exceptions_null.cc: Likewise.
3864         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3865         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3866         * testsuite/27_io/basic_ostream/inserters_other/char/
3867         exceptions_null.cc: Likewise.
3868         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3869         exceptions_null.cc: Likewise.
3870         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3871
3872 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
3873
3874         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
3875         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
3876
3877 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
3878
3879         PR libstdc++/85183
3880         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
3881         value categories.
3882         * testsuite/20_util/variant/85183.cc: New.
3883
3884 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
3885
3886         * include/std/variant (__get): Qualify calls to avoid ADL.
3887         (__select_index): Adjust whitespace.
3888         (variant): Add using-declaration to workaround Clang bug.
3889
3890 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
3891
3892         PR libstdc++/85040
3893         * include/bits/stl_function.h (greater::__not_overloaded)
3894         (less::__not_overloaded, greater_equal::__not_overloaded)
3895         (less_equal::__not_overloaded): Fix ambiguous specializations.
3896         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
3897         tests for type with overloaded operators.
3898
3899 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3900
3901         PR libstdc++/77691
3902         * testsuite/experimental/memory_resource/resource_adaptor.cc:
3903         xfail execution on 32-bit Solaris/x86.
3904
3905 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
3906
3907         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
3908         VERIFY instead of assert.
3909         * testsuite/20_util/hash/84998.cc: New test.
3910         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
3911         copy of test adjusted for Debug Mode.
3912         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
3913         test in Debug Mode.
3914
3915 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
3916
3917         PR libstdc++/84998
3918         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
3919         * include/std/bitset: Likewise.
3920         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
3921         declaration.
3922         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
3923         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
3924         * include/bits/stl_set.h (std::set<>): Likewise.
3925         * include/bits/unordered_map.h (std::unordered_map<>): Fix
3926         _Hash_merge_helper friend declaration.
3927         (std::unordered_multimap<>): Likewise.
3928         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
3929         (std::unordered_multiset<>): Likewise.
3930
3931 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3932
3933         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
3934         trailing slash for domain level link.
3935         * doc/xml/faq.xml: Ditto.
3936         * doc/xml/manual/appendix_free.xml (software): Ditto.
3937         * doc/xml/manual/intro.xml: Ditto.
3938         * doc/xml/manual/spine.xml: Ditto.
3939         * doc/xml/spine.xml: Ditto.
3940
3941 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3942
3943         * doc/xml/manual/documentation_hacking.xml: Adjust link to
3944         docbook.org.
3945
3946 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
3947
3948         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
3949         to compile as C++98.
3950
3951 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
3952
3953         PR libstdc++/78420
3954         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
3955         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
3956         to ensure total order for pointers.
3957         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
3958         Add operator() overloads for pointer arguments and make generic
3959         overloads dispatch to new _S_cmp functions when comparisons would
3960         use built-in operators for pointers.
3961         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
3962
3963 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
3964
3965         PR libstdc++/84773
3966         PR libstdc++/83662
3967         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
3968         * configure: Regenerate.
3969         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
3970         (aligned_alloc): Add using-declaration.
3971         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
3972
3973 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
3974
3975         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
3976         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
3977         registration.
3978
3979 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
3980
3981         PR libstdc++/84769
3982         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
3983         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
3984
3985         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
3986         src/filesystem/std-ops.cc (create_dir): Likewise.
3987
3988 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
3989
3990         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
3991         (StdListIteratorPrinter): Inherit from latter.
3992         (StdFwdListIteratorPrinter): New, inherit from latter.
3993         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
3994         when iterator has no associated container.
3995         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
3996         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
3997         registrations.
3998         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
3999         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
4000
4001 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
4002
4003         PR libstdc++/84601
4004         * include/std/optional (_Optional_payload): Split into multiple
4005         specializations that can handle different cases of trivial or
4006         non-trivial assignment operators.
4007         * testsuite/20_util/optional/84601.cc: New.
4008         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4009
4010 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
4011
4012         PR libstdc++/84671
4013         * include/bits/parse_numbers.h (_Number_help): Add partial
4014         specialization to handle digit separators. Adjust partial
4015         specialization for recursion temrination to require _Pow == 1ULL.
4016         * testsuite/20_util/duration/literals/84671.cc: New
4017
4018 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
4019
4020         Implement the missing bits of LWG 2769
4021         * include/std/any (any_cast(const any&)): Add static_assert.
4022         (any_cast(any&)): Likewise.
4023         (any_cast(any&&)): Likewise, and remove the handling
4024         for copyable-but-not-movable type.
4025         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
4026         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
4027         add new tests.
4028
4029 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
4030
4031         PR libstdc++/84532
4032         * include/std/thread (thread::__make_invoker): Construct tuple
4033         directly instead of using make_tuple.
4034         * testsuite/30_threads/async/84532.cc: New.
4035         * testsuite/30_threads/thread/84532.cc: New.
4036
4037 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
4038
4039         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
4040         (template<> __aligned_buffer): Define as __aligned_membuf alias.
4041
4042 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4043
4044         PR target/84148
4045         * configure: Regenerate.
4046
4047 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
4048
4049         PR libstdc++/81797
4050         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
4051         * configure: Regenerate.
4052         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
4053         defined.
4054         * include/Makefile.in: Regenerate.
4055
4056 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
4057
4058         PR libstdc++/83833
4059         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
4060         Add -ffloat-store to options for m68k and ia32.
4061
4062         * doc/xml/faq.xml: Update copyright years.
4063         * doc/html/*: Regenerate.
4064
4065         PR libstdc++/83658
4066         * include/std/any (any::__do_emplace): Only set _M_manager after
4067         constructing the contained object.
4068         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
4069         * testsuite/20_util/any/modifiers/83658.cc: New test.
4070
4071 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
4072
4073         PR libstdc++/81076
4074         * include/c_global/cstddef (__byte_operand): Define primary template.
4075         * testsuite/18_support/byte/81076.cc: New test.
4076
4077 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
4078
4079         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
4080         dg-options and dg-add-options order.
4081         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
4082         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
4083         Likewise.
4084         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
4085         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
4086         Likewise.
4087         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
4088         Likewise.
4089         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
4090         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
4091         Likewise.
4092         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
4093         Likewise.
4094         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
4095         Likewise.
4096         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
4097         Likewise.
4098         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
4099         Likewise.
4100         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
4101         Likewise.
4102         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
4103         Likewise.
4104         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
4105         Likewise.
4106         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
4107         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
4108         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
4109         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
4110         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
4111         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
4112         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
4113         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
4114         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
4115         Likewise.
4116         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
4117         Likewise.
4118         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
4119         Likewise.
4120         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
4121         Likewise.
4122
4123 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
4124
4125         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
4126         include linux/types.h when checking linux/random.h header.
4127         * config.h.in: Regenerate.
4128         * configure: Ditto.
4129         * src/c++11/random.cc: Conditionally include linux/types.h.
4130
4131 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
4132
4133         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
4134
4135 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
4136
4137         PR libstdc++/83834
4138         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
4139         pattern with exact match for std::cerr.
4140
4141 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4142
4143         PR libstdc++/83833
4144         * include/bits/random.h (chi_squared_distribution::param): Update
4145         gamma distribution parameter.
4146         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
4147         test.
4148
4149         PR libstdc++/83830
4150         * include/std/type_traits (has_unique_object_representations_v): Add
4151         variable template.
4152         * testsuite/20_util/has_unique_object_representations/value.cc: Check
4153         variable template.
4154
4155 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
4156
4157         Make optional conditionally
4158         trivially_{copy,move}_{constructible,assignable}
4159         * include/std/optional (_Optional_payload): Fix the comment in
4160         the class head and turn into a primary and one specialization.
4161         (_Optional_payload::_M_engaged): Strike the NSDMI.
4162         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
4163         New.
4164         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
4165         Likewise.
4166         (_Optional_payload<_Tp, false>::_M_get): Likewise.
4167         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
4168         (_Optional_base_impl): Likewise.
4169         (_Optional_base): Turn into a primary and three specializations.
4170         (optional(nullopt)): Change the base init.
4171         * testsuite/20_util/optional/assignment/8.cc: New.
4172         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
4173         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4174
4175 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4176
4177         PR libstdc++/80276
4178         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
4179         (get_template_arg_list): New.
4180         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
4181         instead.
4182         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
4183         of strings and regular expressions.
4184         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
4185         (FilteringTypePrinter): Add docstring. Match using startswith. Use
4186         strip_inline_namespaces instead of strip_versioned_namespace.
4187         (add_one_type_printer): Prepend namespace to match argument.
4188         (register_type_printers): Add type printers for char16_t and char32_t
4189         string types and for types using cxx11 ABI. Update calls to
4190         add_one_template_type_printer to provide default argument dicts.
4191         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
4192         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
4193         basic_string<unsigned char> and basic_string<signed char>.
4194         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
4195         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
4196
4197 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
4198
4199         PR libstdc++/81092
4200         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
4201
4202 2018-01-13  Tim Shen  <timshen@google.com>
4203
4204         PR libstdc++/83601
4205         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
4206         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
4207         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
4208
4209 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4210
4211         PR libstdc++/64054
4212         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
4213         Remove dg-xfail-run-if.
4214
4215 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
4216
4217         * include/bits/forward_list.h
4218         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
4219         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
4220         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
4221         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
4222         (_Fwd_list_impl()): Add noexcept qualification.
4223         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
4224         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
4225         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
4226         (_Fwd_list_base()): Default.
4227         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
4228         (_Fwd_list_base(_Fwd_list_base&&)): Default.
4229         (forward_list<>()): Default.
4230         (forward_list<>(forward_list&&)): Default.
4231         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
4232         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
4233         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
4234         * include/bits/forward_list.tcc
4235         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
4236         _M_impl._M_head move assignment.
4237         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
4238         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
4239
4240 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
4241
4242         PR libstdc++/80276
4243         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
4244         (UniquePointerPrinter): Print correct template argument, not type of
4245         the pointer.
4246         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
4247         a type.
4248         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
4249         array type.
4250         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
4251         weak_ptr of array types.
4252
4253 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
4254
4255         PR libstdc++/83709
4256         * include/bits/hashtable_policy.h
4257         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
4258         __first != __last.
4259         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
4260         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
4261         Add false_type parameter.
4262         (_Insert_base::insert): Adapt.
4263         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
4264         Adapt.
4265         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
4266          Add __n_elt parameter, defaulted to 1.
4267         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
4268         policy _M_need_rehash.
4269         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
4270         produce only 1 rehash if necessary.
4271         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
4272         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
4273
4274 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
4275             Jonathan Wakely  <jwakely@redhat.com>
4276
4277         PR libstdc++/59253 (partial)
4278         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
4279         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
4280         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
4281         children.
4282         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
4283         of unique_ptr printer.
4284         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
4285         output of shared_ptr printer.
4286
4287 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
4288
4289         PR libstdc++/83626
4290         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
4291         unnecessary symlink_status call.
4292         (remove_all(const path&, error_code&)): Use filesystem::remove.
4293         * src/filesystem/std-ops.cc: Likewise.
4294
4295         PR libstdc++/83279
4296         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
4297         sendfile.
4298
4299         PR libstdc++/83626
4300         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
4301         report an error for ENOENT.
4302         (remove_all(const path&)): Fix type of result variable.
4303         (remove_all(const path&, error_code&)): Use non-throwing increment
4304         for directory iterator. Call POSIX remove directly to avoid redundant
4305         calls to symlink_status. Do not report errors for ENOENT.
4306         * src/filesystem/std-ops.cc: Likewise.
4307         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
4308         overload.
4309         * testsuite/experimental/filesystem/operations/remove_all.cc:
4310         Likewise.
4311
4312 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
4313
4314         PR libstdc++/83626
4315         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
4316         redundant call to ec.clear().
4317         (remove_all(const path&, error_code&))): Do not return an error for
4318         non-existent paths.
4319         * src/filesystem/std-ops.cc: Likewise.
4320         * testsuite/27_io/filesystem/operations/remove.cc: New test.
4321         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
4322         results for non-existent paths.
4323         * testsuite/experimental/filesystem/operations/remove.cc: New test.
4324         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
4325         expected results for non-existent paths.
4326
4327         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
4328         check status_known once.
4329         * include/experimental/bits/fs_ops.h: Likewise.
4330
4331         PR libstdc++/83607
4332         * include/std/functional (__is_byte_like): New trait.
4333         (__is_std_equal_to): Remove.
4334         (__boyer_moore_base_t): Use __is_byte_like instead of
4335         __is_std_equal_to.
4336         * include/experimental/functional (__is_std_equal_to): Remove.
4337         (__boyer_moore_base_t): Use __is_byte_like instead of
4338         __is_std_equal_to.
4339         * testsuite/20_util/function_objects/83607.cc: New test.
4340
4341 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
4342
4343         Protect optional's deduction guide with the feature macro
4344         * include/std/optional: Use the feature macro.
4345
4346 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4347
4348         Update copyright years.
4349 \f
4350 Copyright (C) 2018 Free Software Foundation, Inc.
4351
4352 Copying and distribution of this file, with or without modification,
4353 are permitted in any medium without royalty provided the copyright
4354 notice and this notice are preserved.