libstdc++-v3/ChangeLog

   1 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
   2
   3         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
   4         on arm*.
   5
   6 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
   7
   8         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
   9         Remove __glibcxx_assert statements and use map::find instead of
  10         map::operator[].
  11
  12 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
  13
  14         PR libstdc++/87135
  15         * src/c++11/hashtable_c++0x.cc:
  16         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
  17         requested size, but not necessarily greater.
  18         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
  19         strictly greater than next resize threshold.
  20         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
  21         to validate that there is no rehash as long as number of insertion is
  22         lower or equal to the reserved number of elements.
  23
  24 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
  25
  26         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
  27         checking invocable condition.
  28         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
  29         here, where types must be complete. Pass pointer to deleter as an
  30         rvalue.
  31         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
  32
  33 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
  34
  35         * include/std/variant (variant) [__clang__]: Limit workaround to
  36         Clang 7 and older.
  37
  38 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
  39
  40         PR libstdc++/87278
  41         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
  42         remove_const.
  43         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
  44
  45         Implement LWG 2905 changes to constrain unique_ptr constructors
  46         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
  47         check deleter type.
  48         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
  49         constructible constraint.
  50         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
  51         deleters of reference type and add move constructible constraint.
  52         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
  53         Disable for deleters of non-reference type. Define as deleted.
  54         (unique_ptr<T[], D>): Likewise.
  55         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
  56         directives with unstable line numbers with dg-prune-output.
  57         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
  58         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
  59         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
  60         Make deleter types invocable.
  61
  62 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
  63
  64         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
  65
  66 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
  67
  68         PR libstdc++/78179
  69         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
  70         that runs the long double part of hypot.cc.
  71         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
  72         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
  73
  74         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
  75         Return raw pointer not allocator's pointer type.
  76         (vector::_Temporary_value::_M_val): Use _M_ptr.
  77
  78         PR libstdc++/87194
  79         * include/bits/stl_map.h
  80         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
  81         (map::map(initializer_list<value_type>, const Alloc&))
  82         (map::map(InputIterator, InputIterator, const Alloc&))
  83         (map::map(InputIterator, InputIterator))
  84         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
  85         (map::insert(InputIterator, InputIterator)):
  86         Call _M_insert_range_unique instead of _M_insert_unique.
  87         * include/bits/stl_multimap.h
  88         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
  89         (multimap::multimap(initializer_list<value_type>, const A&))
  90         (multimap::multimap(InputIterator, InputIterator, const A&))
  91         (multimap::multimap(InputIterator, InputIterator))
  92         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
  93         (multimap::insert(InputIterator, InputIterator)): Call
  94         _M_insert_range_equal instead of _M_insert_equal.
  95         * include/bits/stl_multiset.h
  96         (multiset::multiset(InputIterator, InputIterator))
  97         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
  98         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
  99         (multiset::multiset(initializer_list<value_type>, const A&))
 100         (multiset::multiset(InputIterator, InputIterator, const A&))
 101         (multiset::insert(InputIterator, InputIterator)): Call
 102         _M_insert_range_equal instead of _M_insert_equal.
 103         * include/bits/stl_set.h
 104         (set::set(InputIterator, InputIterator))
 105         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
 106         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
 107         (set::set(initializer_list<value_type>, const Alloc&))
 108         (set::set(InputIterator, InputIterator, const Alloc&))
 109         (set::insert(InputIterator, InputIterator)):
 110         Call _M_insert_range_unique instead of _M_insert_unique.
 111         * include/bits/stl_tree.h
 112         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
 113         template for SFINAE constraints.
 114         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
 115         constrained overloads that either insert or emplace, depending on
 116         iterator's value_type.
 117         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
 118         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
 119         (_Rb_tree::_M_insert_range_equal): New functions replacing range
 120         versions of _M_insert_unique and _M_insert_equal.
 121         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
 122         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
 123         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
 124         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
 125         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
 126         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
 127
 128         PR libstdc++/78595
 129         * include/bits/stl_map.h (map::insert(_Pair&&))
 130         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
 131         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
 132         (multimap::insert(const_iterator, _Pair&&)): Likewise.
 133         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
 134         (unordered_map::insert(const_iterator, _Pair&&))
 135         (unordered_multimap::insert(_Pair&&))
 136         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
 137         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
 138         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
 139         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
 140         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
 141         test.
 142
 143 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
 144
 145         * include/debug/safe_iterator.h
 146         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
 147         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
 148         New.
 149         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 150         ::_OtherSelf): New.
 151         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
 152         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
 153         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
 154         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 155         ::operator+(difference_type)): Use latters, inline as friend.
 156         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 157         ::operator-(difference_type)): Likewise.
 158         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 159         Likewise.
 160         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 161         Likewise.
 162         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 163         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 164         Likewise.
 165         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 166         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 167         Likewise.
 168         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 169         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
 170         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
 171         * include/debug/safe_iterator.tcc
 172         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
 173         copy.
 174         * include/debug/safe_local_iterator.h
 175         (_Safe_local_iterator<_It, _Seq>::_Self): New.
 176         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
 177         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
 178         (operator==(const _Safe_local_iterator<>&,
 179         const _Safe_local_iterator<>&)): Use latter, inline as friend.
 180         (operator!=(const _Safe_local_iterator<>&,
 181         const _Safe_local_iterator<>&)): Likewise.
 182         * testsuite/util/testsuite_containers.h: Include utility.
 183         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
 184         parameter.
 185         (forward_members_unordered<>::forward_members_unordered(value_type&)):
 186         Add using namespace std::rel_ops.
 187         Add iterator_concept_checks on local_iterator and const_local_iterator.
 188         Add asserts on comparison between const_local_iterator and
 189         local_iterator.
 190         (struct forward_members_unordered<_Tp, false>): Remove partial
 191         specialization.
 192         * testsuite/23_containers/forward_list/types/1.cc: New.
 193         * testsuite/23_containers/list/types/1.cc: New.
 194
 195 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
 196
 197         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
 198         references.
 199
 200 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
 201
 202         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
 203         Add dg-require-fileio.
 204         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
 205         Likewise.
 206         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
 207         Likewise.
 208         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
 209         Likewise.
 210         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
 211         Likewise.
 212         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
 213         Likewise.
 214         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
 215         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
 216         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
 217         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
 218         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
 219         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
 220         Likewise.
 221         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
 222         Likewise.
 223         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
 224         Likewise.
 225         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
 226         Likewise.
 227         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
 228         Likewise.
 229         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
 230         Likewise.
 231         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
 232         Likewise.
 233         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
 234         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
 235         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
 236         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
 237         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
 238         Likewise.
 239         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
 240         Likewise.
 241         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
 242         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
 243         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
 244         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
 245         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
 246         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
 247         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
 248         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
 249         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
 250         Likewise.
 251         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
 252         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
 253         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
 254         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
 255         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
 256         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
 257         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
 258         Likewise.
 259         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
 260
 261 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
 262
 263         * testsuite/experimental/propagate_const/observers/1.cc: Make
 264         dependence on -fdelete-null-pointer-checks explicit.
 265
 266 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
 267
 268         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
 269         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
 270         of the number of bits in the type.
 271         * include/std/bit (__ceil2): Avoid undefined shifts.
 272         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
 273         the most signifiant bit set.
 274
 275         * config/abi/pre/gnu.ver: Add missing exports for mingw.
 276
 277         * include/ext/pointer.h (_Pointer_adapter): Define operators for
 278         pointer arithmetic using long long offsets.
 279         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
 280         long long values.
 281
 282 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
 283
 284         PR libstdc++/31413
 285         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
 286         string for alternative format.
 287
 288 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
 289
 290         PR libstdc++/87116
 291         * src/filesystem/std-path.cc (path::lexically_normal): When handling
 292         a dot-dot filename, preserve an empty final component in the iteration
 293         sequence.
 294         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
 295         root-directory.
 296         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
 297         for more than two adjacent dot-dot filenames.
 298         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
 299         preferred-separator in expected normalized strings.
 300
 301 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
 302
 303         PR libstdc++/70694
 304         * configure.host (OPT_LDFLAGS): Don't append
 305         -fvisibility-inlines-hidden for newer Darwin.
 306
 307 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
 308
 309         PR libstdc++/86822
 310         * libsupc++/new (operator new(size_t, nothrow_t), operator
 311         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
 312         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
 313
 314 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
 315
 316         * include/debug/deque (std::__debug::deque): Declare.
 317         * include/debug/forward_list (std::__debug::forward_list): Declare.
 318         * include/debug/list (std::__debug::list): Declare.
 319         * include/debug/map (std::__debug::map): Declare.
 320         * include/debug/set (std::__debug::set): Declare.
 321         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
 322         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
 323         * include/debug/vector (std::__debug::vector): Declare.
 324         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
 325         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
 326         test.
 327         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
 328         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
 329         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
 330         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
 331         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
 332         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
 333         test.
 334         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
 335         New test.
 336         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
 337         New test.
 338         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
 339         test.
 340         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
 341         Adjust dg-error lineno.
 342         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
 343         test.
 344
 345 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
 346
 347         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
 348         Only define when RTTI is enabled.
 349
 350         * include/debug/vector (__niter_base): Define for C++98.
 351
 352         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
 353         Fix C++98 test to not use C++11 features.
 354         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
 355
 356         * scripts/check_compile: Fix comments.
 357
 358         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
 359         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
 360         begin(), for C++98 compatibility.
 361
 362         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 363         (basic_string::__const_iterator): Change access to protected.
 364         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
 365         as typedef for iterator.
 366         * include/debug/string (__const_iterator): Use typedef from base.
 367         (insert(const_iterator, _CharT))
 368         (replace(const_iterator, const_iterator, const basic_string&))
 369         (replace(const_iterator, const_iterator, const _CharT*, size_type))
 370         (replace(const_iterator, const_iterator, const CharT*))
 371         (replace(const_iterator, const_iterator, size_type, _CharT))
 372         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
 373         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
 374         Change const_iterator parameters to __const_iterator.
 375         (insert(iterator, size_type, _CharT)): Add C++98 overload.
 376         (insert(const_iterator, _InputIterator, _InputIterator)): Change
 377         const_iterator parameter to __const_iterator.
 378         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
 379         of base's member function.
 380         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
 381         Likewise.
 382         (insert(const_iterator, initializer_list<_CharT>))
 383         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
 384         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
 385         target directive.
 386
 387         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
 388         not use C++14 feature.
 389         * testsuite/23_containers/list/68222_neg.cc: Likewise.
 390
 391         * testsuite/21_strings/basic_string/init-list.cc:
 392         Require cxx11-abi.
 393         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 394         Likewise.
 395         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 396         Likewise.
 397
 398         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
 399         C++98 mode.
 400         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
 401         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
 402         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
 403         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 404         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
 405
 406 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 407
 408         PR libstdc++/87061
 409         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
 410         (experimental::pmr::match_results, experimental::pmr::cmatch)
 411         (experimental::pmr::smatch, experimental::pmr::wcmatch)
 412         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
 413         because COW strings don't support C++11 allocator model.
 414         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
 415         (experimental::pmr::basic_string, experimental::pmr::string)
 416         (experimental::pmr::u16string, experimental::pmr::u32string)
 417         (experimental::pmr::wstring): Likewise.
 418         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
 419         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
 420         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
 421         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
 422         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
 423         cxx11-abi.
 424         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
 425
 426         PR libstdc++/78448
 427         * include/bits/deque.tcc (deque::_M_range_initialize): Use
 428         _S_check_init_len to check size.
 429         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
 430         error if size would exceed max_size().
 431         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
 432         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
 433         size_t instead of size_type.
 434         (deq(size_type, const allocator_type&)
 435         (deq(size_type, const value_type&, const allocator_type&)
 436         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
 437         (deque::max_size): Call _S_max_size.
 438         (deque::_S_check_init_len, deque::_S_max_size): New functions.
 439         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
 440         (vector(size_type, const value_type&, const allocator_type&))
 441         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
 442         _S_check_init_len to check size.
 443         (vector::max_size): Call _S_max_size.
 444         (vector::_M_check_len): Prevent max from being expanded as a
 445         function-like macro.
 446         (vector::_S_check_init_len, vector::_S_max_size): New functions.
 447         * include/bits/vector.tcc (vector::_M_assign_aux): Use
 448         _S_check_init_len to check size.
 449         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
 450         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
 451
 452 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
 453
 454         PR libstdc++/68222
 455         * include/debug/safe_iterator.h
 456         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
 457         (_Safe_iterator<>::_Const_iterator): Remove.
 458         (_Safe_iterator<>::_IsConstant): New.
 459         (_Safe_iterator<>::_OtherIterator): New.
 460         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
 461         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
 462         __gnu_cxx::__enable_if condition.
 463         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
 464         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
 465         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
 466         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
 467         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
 468         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 469         ::operator--()): ...here.
 470         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
 471         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 472         ::operator--(int)): ...here.
 473         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
 474         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 475         ::_M_decrementable()): ...here.
 476         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
 477         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
 478         Move...
 479         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 480         ::operator[](const difference_type&)): ...here.
 481         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
 482         Move...
 483         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 484         ::operator+=(const difference_type&)): ...here.
 485         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
 486         Move...
 487         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 488         ::operator+(const difference_type&)): ...here.
 489         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
 490         Move...
 491         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 492         ::operator-=(const difference_type&)): ...here.
 493         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
 494         Move...
 495         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 496         ::operator-(const difference_type&)): ...here.
 497         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 498         Constraint to random access iterators.
 499         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 500         Likewise.
 501         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 502         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 503         Likewise.
 504         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 505         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
 506         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
 507         (__get_distance): Remove.
 508         (__get_distance_from_begin): Remove.
 509         (__get_distance_to_end): Remove.
 510         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
 511         specialization.
 512         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
 513         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
 514         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
 515         * include/debug/safe_iterator.tcc
 516         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
 517         (_Safe_iterator<>::_M_get_distance_to_end()): New.
 518         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
 519         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 520         ::_M_valid_range): New.
 521         * include/debug/safe_local_iterator.h
 522         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
 523         (_Safe_local_iterator<>::_IsConstant): New.
 524         (_Safe_local_iterator<>::_OtherIterator): New.
 525         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
 526         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
 527         in __gnu_cxx::__enable_if condition. If singular compare base iterator
 528         with _MutIte rather than _It.
 529         (_Safe_local_iterator<>::_S_constant): Make constexpr.
 530         (_Safe_local_iterator<>::_M_get_distance_to): New.
 531         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
 532         (__get_distance(const _Safe_local_iterator<>&,
 533         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
 534         (__valid_range(const _Safe_local_iterator<>&,
 535         const _Safe_local_iterator<>&)): New.
 536         * include/debug/safe_local_iterator.tcc
 537         (_Safe_local_iterator<>::_M_get_distance_to): New.
 538         * include/debug/deque (std::__debug::deque<>): Add
 539         ::__gnu_debug::_Safe_iterator<> friend declaration.
 540         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
 541         * include/debug/list (std::__debug::list<>): Likewise.
 542         * include/debug/map.h (std::__debug::map<>): Likewise.
 543         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
 544         * include/debug/set.h (std::__debug::set<>): Likewise.
 545         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
 546         * include/debug/string (std::__debug::basic_string<>): Likewise.
 547         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
 548         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
 549         (std::__debug::unordered_multimap<>): Likewise.
 550         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
 551         (std::__debug::unordered_multiset<>): Likewise.
 552         * include/debug/formatter.h: Adapt.
 553         * include/debug/helper_functions.h
 554         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
 555         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
 556         Pass parameter by copy.
 557         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
 558         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
 559         (__valid_range_aux<_Integral>): Pass _Integral by copy.
 560         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
 561         (__valid_range<>(const _Safe_iterator<>&,
 562         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
 563         Declare.
 564         (__valid_range(const _Safe_local_iterator<>&,
 565         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
 566         Declare.
 567         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 568         Declare.
 569         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
 570         Declare.
 571         (__can_advance): Adapt.
 572         (struct __is_safe_random_iterator<>): Remove.
 573         (struct _SIter_base<>): Remove.
 574         * include/debug/functions.h: Include <bits/stl_iterator.h>.
 575         (__check_dereferenceable): Remove.
 576         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
 577         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
 578         (__foreign_iterator): Adapt.
 579         * include/debug/stl_iterator.h
 580         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
 581         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
 582         Constraint for random access iterators.
 583         (__niter_base): Adapt.
 584         * testsuite/util/testsuite_containers.h:
 585         Include <bits/boost_concept_check.h>.
 586         (iterator_concept_checks<_It, _Mutable, _Category>): New.
 587         (citerator<_Cont>::forward_members::forward_members()): Instantiate
 588         latter for container iterator and const_iterator.
 589         * testsuite/23_containers/list/68222_neg.cc: New.
 590         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
 591         line number.
 592         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
 593         (test01): Remove.
 594         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
 595         Remove.
 596
 597 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 598
 599         PR libstdc++/77854
 600         * doc/xml/manual/status_cxx1998.xml: Document size_type and
 601         difference_type for containers.
 602         * doc/html/*: Regenerate.
 603
 604 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
 605
 606         P0646R1 Improving the Return Value of Erase-Like Algorithms I
 607         * include/debug/forward_list (forward_list::__remove_return_type):
 608         Define typedef as size_type or void, according to __cplusplus value.
 609         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 610         empty, according to __cplusplus value.
 611         (_GLIBCXX20_ONLY): Define macro.
 612         (forward_list::remove, forward_list::unique): Use typedef and macro
 613         to change return type and add abi-tag for C++2a. Return number of
 614         removed elements for C++2a.
 615         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
 616         typedef to change return type for C++2a. Return number of removed
 617         elements for C++2a.
 618         * include/debug/list (list::__remove_return_type): Define typedef as
 619         size_type or void, according to __cplusplus value.
 620         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 621         empty, according to __cplusplus value.
 622         (_GLIBCXX20_ONLY): Define macro.
 623         (list::remove, list::unique): Use typedef and macro to change return
 624         type and add abi-tag for C++2a. Return number of removed elements for
 625         C++2a.
 626         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
 627         to change return type for C++2a. Return number of removed elements for
 628         C++2a.
 629
 630 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
 631
 632         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
 633
 634 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
 635
 636         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
 637         redundant dg-do directive.
 638         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
 639         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
 640         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
 641         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
 642
 643 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
 644
 645         PR libstdc++/86963
 646         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
 647         (_Tuple_impl::_M_assign): New functions to perform assignment instead
 648         of assignment operators.
 649         (_Tuple_impl::_M_swap): Remove exception specification.
 650         (_Tuple_impl<_Idx, _Head>): Likewise.
 651         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
 652         (__tuple_base): Remove.
 653         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
 654         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
 655         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
 656         using __is_nothrow_swappable.
 657         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
 658
 659         * include/std/optional (_Optional_payload): Use variable templates
 660         for conditions in default template arguments and exception
 661         specifications.
 662         (optional): Likewise. Adjust indentation.
 663         (optional::__not_self, optional::__not_tag, optional::_Requires): New
 664         SFINAE helpers.
 665         (optional::optional): Use new helpers in constructor constraints.
 666         * include/std/type_traits (__or_v, __and_v): New variable templates.
 667         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
 668         dg-prune-output. Remove unused header.
 669
 670 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
 671
 672         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
 673         _GLIBCXX_DEBUG.
 674
 675 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
 676
 677         PR libstdc++/86963
 678         * include/std/tuple (__tuple_base): New class template with deleted
 679         copy assignment operator.
 680         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
 681         implicit copy/move assignment operator will be deleted/suppressed.
 682         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
 683         functions for SFINAE constraints on assignment operators.
 684         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
 685         New helper functions for exception specifications.
 686         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
 687         (tuple<_T1, _T2>::operator=(const tuple&))
 688         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
 689         __nonesuch_no_braces when the operator should be defined implicitly.
 690         Use __nothrow_assignable for exception specifications.
 691         (tuple::operator=(const tuple<_UElements...>&))
 692         (tuple::operator=(tuple<_UElements...>&&))
 693         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
 694         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
 695         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
 696         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
 697         __assignable and use __nothrow_assignable for exception
 698         specifications.
 699         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
 700         gdb.Type as first argument, instead of a string.
 701         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
 702         tuple for expected structure.
 703         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
 704         * testsuite/20_util/tuple/dr2729.cc: New test.
 705         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
 706         to dg-prune-output.
 707
 708 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
 709
 710         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
 711         about signed/unsigned comparison.
 712
 713         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
 714         deprecation warnings for using uncaught_exception().
 715
 716         PR libstdc++/86447
 717         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
 718         (logic_error::logic_error(logic_error&&))
 719         (logic_error::operator=(logic_error&&))
 720         (runtime_error::runtime_error(runtime_error&&))
 721         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
 722         moving, to avoid allocating empty reps for moved-from strings.
 723
 724 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
 725
 726         * include/experimental/regex: Remove begin/end macros for namespace.
 727         * include/experimental/string: Likewise.
 728         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
 729         New test.
 730         * testsuite/experimental/polymorphic_allocator/
 731         pmr_typedefs_forward_list.cc: New test.
 732         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
 733         New test.
 734         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
 735         New test.
 736         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 737         New test.
 738         * testsuite/experimental/polymorphic_allocator/
 739         pmr_typedefs_multimap.cc: New test.
 740         * testsuite/experimental/polymorphic_allocator/
 741         pmr_typedefs_multiset.cc: New test.
 742         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
 743         New test.
 744         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 745         New test.
 746         * testsuite/experimental/polymorphic_allocator/
 747         pmr_typedefs_unordered_map.cc: New test.
 748         * testsuite/experimental/polymorphic_allocator/
 749         pmr_typedefs_unordered_multimap.cc: New test.
 750         * testsuite/experimental/polymorphic_allocator/
 751         pmr_typedefs_unordered_multiset.cc: New test.
 752         * testsuite/experimental/polymorphic_allocator/
 753         pmr_typedefs_unordered_set.cc: New test.
 754         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
 755         New test.
 756
 757         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
 758         calls to __uses_allocator_construct_impl and __use_alloc.
 759         * include/experimental/memory_resource
 760         (polymorphic_allocator::_M_construct): Remove.
 761         (polymorphic_allocator::construct): Call __uses_allocator_construct.
 762         Qualify calls to __use_alloc.
 763         * include/std/memory_resource (polymorphic_allocator::construct): Fix
 764         type in SFINAE constraint. Use constexpr if instead of tag dispatching
 765         to _S_construct overloads.
 766         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
 767         arguments to _S_construct_p.
 768         (polymorphic_allocator::_S_construct): Remove.
 769         (polymorphic_allocator::_S_construct_p): Return allocators by value
 770         not by reference.
 771         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
 772         Qualify calls to __use_alloc.
 773         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
 774         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
 775         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
 776         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
 777         New test.
 778
 779         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
 780         (atomic_mem_res): Add unsynchronized definition for single-threaded.
 781
 782 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
 783
 784         PR libstdc++/86954
 785         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
 786         non-placement delete.
 787
 788         * include/std/chrono (__check_overflow): Simplify definition.
 789         (_Checked_integral_constant): Remove.
 790
 791         PR libstdc++/86846
 792         * src/c++17/default_resource.h: New file, defining default_res.
 793         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
 794         (atomic_mem_res): Define alternative for atomic<memory_resource*>
 795         using a mutex instead of atomics.
 796
 797         PR libstdc++/85343
 798         * config/abi/pre/gnu.ver: Export new symbol.
 799         * doc/xml/manual/abi.xml: Document new versions.
 800         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
 801         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
 802         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
 803         Declare new overload.
 804         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
 805         and static member function.
 806         (__throw_ios_failure(const char*, int)): Define.
 807         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
 808         (__throw_ios_failure(const char*, int)): Define.
 809
 810 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
 811
 812         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
 813         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
 814         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
 815         copied/assigned rope iterators don't retain pointers to the iterator
 816         they were copied/assigned from.
 817         * testsuite/ext/rope/7.cc: New.
 818
 819 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
 820
 821         PR libstdc++/45093
 822         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
 823         Combine definitions to avoid --detect-odr-violations warning.
 824
 825         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
 826         __is_pow2 to check for valid alignment. Avoid branching when rounding
 827         size to multiple of alignment.
 828
 829         * include/Makefile.am: Install <bit> and <version> for freestanding.
 830         * include/Makefile.in: Regenerate.
 831         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
 832
 833         Revert
 834         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 835
 836         PR target/85904
 837         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 838         Newlib.
 839         * configure: Regenerate.
 840
 841 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 842
 843         PR libstdc++/68210
 844         * doc/xml/manual/intro.xml: Document LWG 206 change.
 845         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 846         * libsupc++/del_opa.cc: Likewise.
 847         * libsupc++/del_opant.cc: Likewise.
 848         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
 849         of free(ptr).
 850         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 851         * libsupc++/del_opsa.cc: Likewise.
 852         * libsupc++/del_opva.cc: Likewise.
 853         * libsupc++/del_opvant.cc: Likewise.
 854         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
 855         instead of operator delete(ptr).
 856         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 857         * libsupc++/del_opvsa.cc: Likewise.
 858         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
 859         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
 860         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
 861         with noexcept.
 862         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
 863         malloc(sz).
 864         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
 865         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
 866         operator new(sz, nothrow).
 867         * testsuite/18_support/new_nothrow.cc: New test.
 868
 869 2018-08-10  Martin Liska  <mliska@suse.cz>
 870
 871         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
 872         predictor can handle that.
 873         * libsupc++/new_opa.cc: Likewise.
 874         * libsupc++/new_opnt.cc (new): Likewise.
 875
 876 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 877
 878         PR target/85904
 879         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 880         Newlib.
 881         * configure: Regenerate.
 882
 883 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 884
 885         * include/std/deque (std::pmr::deque): Declare alias.
 886         * include/std/forward_list (std::pmr::forward_list): Likewise.
 887         * include/std/list (std::pmr::list): Likewise.
 888         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
 889         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
 890         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
 891         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
 892         * include/std/string (std::pmr::basic_string, std::pmr::string)
 893         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
 894         Likewise.
 895         * include/std/unordered_map (std::pmr::unordered_map)
 896         (std::pmr::unordered_multimap): Likewise.
 897         * include/std/unordered_set (std::pmr::unordered_set)
 898         (std::pmr::unordered_multiset): Likewise.
 899         * include/std/vector (std::pmr::vector): Likewise.
 900         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
 901         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
 902         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
 903         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
 904         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
 905         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
 906         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
 907         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
 908         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
 909         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
 910         test.
 911         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
 912         test.
 913         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
 914         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
 915         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
 916
 917 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
 918
 919         * include/bits/stl_algo.h
 920         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
 921         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
 922         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
 923         duplication...
 924         (rotate(_Ite, _Ite, _Ite)): ...here.
 925         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
 926         Simplify rotate call.
 927         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
 928         Likewise.
 929         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
 930         Likewise.
 931
 932 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
 933
 934         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
 935         avoid clashing with an ::aligned_alloc function that was not detected
 936         by configure.
 937
 938         * doc/xml/manual/using.xml: Fix markup for empty table entry.
 939         * doc/html/*: Regenerate.
 940
 941         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
 942         * doc/html/*: Regenerate.
 943
 944         PR libstdc++/86597
 945         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
 946         Clear error_code when cached type is used.
 947         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
 948
 949 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
 950
 951         PR libstdc++/86874
 952         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
 953         here instead of in _Move_assign_base.
 954         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
 955         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
 956         the contained value to another alternative.
 957         (_Move_assign_base::operator=): Likewise.
 958         (_Move_assign_base::_M_destructive_move): Remove.
 959         * testsuite/20_util/variant/86874.cc: New test.
 960
 961         PR libstdc++/86861
 962         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
 963         Replace macro with inline function.
 964         [__sun]: Increase alignment to meet memalign precondition.
 965         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
 966         (aligned_alloc): Move check for valid alignment to operator new.
 967         Remove redundant check for non-zero size, it's enforced by the caller.
 968         (operator new): Move check for valid alignment here. Use
 969         __builtin_expect on check for zero size.
 970
 971         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
 972         * include/std/memory_resource (monotonic_buffer_resource::release):
 973         Call _M_release_buffers to free buffers.
 974         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
 975         allocate a new buffer from upstream.
 976         (monotonic_buffer_resource::_M_new_buffer): Declare.
 977         (monotonic_buffer_resource::_M_release_buffers): Declare.
 978         (monotonic_buffer_resource::_Chunk): Replace definition with
 979         declaration as opaque type.
 980         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
 981         Define.
 982         (monotonic_buffer_resource::_M_new_buffer): Define.
 983         (monotonic_buffer_resource::_M_release_buffers): Define.
 984
 985 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
 986
 987         * include/bits/stl_iterator.h: Fix comment.
 988
 989 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
 990
 991         * src/c++11/system_error.cc
 992         (system_error_category::default_error_condition): Add workaround for
 993         ENOTEMPTY and EEXIST having the same value on AIX.
 994         * testsuite/19_diagnostics/error_category/system_category.cc: Add
 995         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
 996
 997 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
 998
 999         * configure: Regenerate.
1000         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
1001         * src/c++11/futex.cc: Use __glibcxx_assert instead of
1002         _GLIBCXX_DEBUG_ASSERT.
1003
1004 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1005
1006         * include/std/condition_variable (wait_for): Use steady_clock.
1007
1008 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1009
1010         * include/std/condition_variable (wait_until): Only report timeout
1011         if we really have timed out when measured against the
1012         caller-supplied clock.
1013         * testsuite/30_threads/condition_variable/members/2.cc: Add test
1014         case to confirm above behaviour.
1015
1016 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1017
1018         PR libstdc++/60555
1019         * src/c++11/system_error.cc
1020         (system_error_category::default_error_condition): New override to
1021         check for POSIX errno values.
1022         * testsuite/19_diagnostics/error_category/generic_category.cc: New
1023         * testsuite/19_diagnostics/error_category/system_category.cc: New
1024         test.
1025
1026 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
1027
1028         PR libstdc++/86751
1029         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
1030         assignment operator.
1031         (pair): Derive from __pair_base.
1032         (pair::operator=): Remove deleted overload.
1033         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
1034         so that new base class isn't shown in GDB.
1035         * testsuite/20_util/pair/86751.cc: New test.
1036         * testsuite/20_util/pair/ref_assign.cc: New test.
1037
1038         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1039         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
1040         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
1041         instead of __has_builtin.
1042         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1043         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
1044         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
1045         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
1046         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
1047         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
1048         (__cpp_lib_has_unique_object_representations): Don't define when
1049         builtin not available.
1050         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
1051         Likewise.
1052         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
1053         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
1054         from here.
1055
1056         * doc/xml/manual/test.xml: Improve documentation on writing tests for
1057         newer standards.
1058         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
1059         * doc/html/*: Regenerate.
1060
1061         * include/ext/pointer.h [__cplusplus >= 201103L]
1062         (_Pointer_adapter::operator bool): Add explicit conversion operator
1063         to replace safe bool idiom.
1064
1065 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
1066
1067         PR libstdc++/86734
1068         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
1069         _S_to_pointer (LWG 1052, LWG 2118).
1070         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
1071         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
1072         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
1073
1074         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
1075         workaround for aligned_alloc bug on AIX.
1076         * testsuite/18_support/new_aligned.cc: New test.
1077
1078 2018-07-26  Marek Polacek  <polacek@redhat.com>
1079
1080         * testsuite/30_threads/condition_variable_any/cond.cc: New.
1081
1082 2018-07-26  Marek Polacek  <polacek@redhat.com>
1083
1084         * src/c++98/locale_init.cc: Fix #ifdef condition.
1085
1086 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1087
1088         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
1089         dg-require-cstdint directive.
1090         * testsuite/20_util/allocator/overaligned.cc: Likewise.
1091         * testsuite/20_util/any/cons/aligned.cc: Likewise.
1092         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
1093         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
1094         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
1095         Likewise.
1096         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1097         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
1098         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
1099         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
1100         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
1101         random_device effective-target.
1102         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
1103         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
1104         * testsuite/25_algorithms/sample/2.cc: Likewise.
1105         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
1106         and random_device.
1107         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
1108         cstdint.
1109         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1110         Likewise.
1111         * testsuite/26_numerics/random/discard_block_engine/requirements/
1112         constexpr_data.cc: Likewise.
1113         * testsuite/26_numerics/random/discard_block_engine/requirements/
1114         constexpr_functions.cc: Likewise.
1115         * testsuite/26_numerics/random/independent_bits_engine/requirements/
1116         constexpr_functions.cc: Likewise.
1117         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1118         constexpr_data.cc: Likewise.
1119         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1120         constexpr_functions.cc: Likewise.
1121         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1122         constexpr_data.cc: Likewise.
1123         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1124         constexpr_functions.cc: Likewise.
1125         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1126         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
1127         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1128         constexpr_data.cc: Add dg-require-cstdint directive.
1129         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1130         constexpr_functions.cc: Likewise.
1131         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1132         constexpr_data.cc: Likewise.
1133         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1134         constexpr_functions.cc: Likewise.
1135         * testsuite/26_numerics/random/uniform_real_distribution/operators/
1136         64351.cc: Likewise.
1137         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
1138         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1139         * testsuite/experimental/algorithm/sample.cc: Likewise.
1140         * testsuite/experimental/algorithm/search.cc: Likewise.
1141         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1142         * testsuite/experimental/any/cons/aligned.cc: Likewise.
1143         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1144         Likewise.
1145         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
1146         * testsuite/experimental/random/randint.cc: Likewise.
1147         * testsuite/experimental/source_location/1.cc: Likewise.
1148         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
1149         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
1150         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
1151         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
1152         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
1153         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
1154         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
1155         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
1156         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
1157         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
1158         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
1159         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
1160         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
1161         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
1162         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
1163         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
1164         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
1165         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
1166         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
1167         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1168         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
1169         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
1170         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
1171
1172         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
1173         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
1174         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
1175         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
1176         Likewise.
1177         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
1178         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
1179         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
1180         Likewise.
1181         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
1182         Likewise.
1183         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
1184         Likewise.
1185         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
1186         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
1187         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
1188         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
1189         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
1190         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
1191         Likewise.
1192         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
1193         Likewise.
1194         * testsuite/30_threads/recursive_timed_mutex/dest/
1195         destructor_locked.cc: Likewise.
1196         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
1197         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
1198         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
1199         Likewise.
1200         * testsuite/30_threads/recursive_timed_mutex/native_handle/
1201         typesizes.cc: Likewise.
1202         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
1203         Likewise.
1204         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
1205         Likewise.
1206         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
1207         Likewise.
1208         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
1209         Likewise.
1210         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
1211         Likewise.
1212         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
1213         Likewise.
1214         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
1215         Likewise.
1216         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
1217         Likewise.
1218         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
1219         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
1220         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
1221         * testsuite/30_threads/scoped_lock/requirements/
1222         explicit_instantiation.cc: Likewise.
1223         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
1224         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
1225         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
1226         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
1227         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
1228         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
1229         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
1230         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
1231         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
1232         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
1233         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
1234         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
1235         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
1236         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
1237         * testsuite/30_threads/shared_future/requirements/
1238         explicit_instantiation.cc: Likewise.
1239         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
1240         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
1241         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
1242         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
1243         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
1244         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
1245         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
1246         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
1247         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
1248         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
1249         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
1250         * testsuite/30_threads/shared_lock/requirements/
1251         explicit_instantiation.cc: Likewise.
1252         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
1253         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
1254         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
1255         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
1256         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
1257         Likewise.
1258         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
1259         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
1260         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
1261         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
1262         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
1263         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
1264         * testsuite/30_threads/shared_timed_mutex/requirements/
1265         standard_layout.cc: Likewise.
1266         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
1267         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
1268         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
1269         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
1270         * testsuite/30_threads/this_thread/1.cc: Likewise.
1271         * testsuite/30_threads/this_thread/2.cc: Likewise.
1272         * testsuite/30_threads/this_thread/3.cc: Likewise.
1273         * testsuite/30_threads/this_thread/4.cc: Likewise.
1274         * testsuite/30_threads/this_thread/58038.cc: Likewise.
1275         * testsuite/30_threads/thread/70503.cc: Likewise.
1276         * testsuite/30_threads/thread/84532.cc: Likewise.
1277         * testsuite/30_threads/thread/adl.cc: Likewise.
1278         * testsuite/30_threads/thread/cons/1.cc: Likewise.
1279         * testsuite/30_threads/thread/cons/2.cc: Likewise.
1280         * testsuite/30_threads/thread/cons/3.cc: Likewise.
1281         * testsuite/30_threads/thread/cons/4.cc: Likewise.
1282         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
1283         * testsuite/30_threads/thread/cons/5.cc: Likewise.
1284         * testsuite/30_threads/thread/cons/6.cc: Likewise.
1285         * testsuite/30_threads/thread/cons/7.cc: Likewise.
1286         * testsuite/30_threads/thread/cons/8.cc: Likewise.
1287         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
1288         * testsuite/30_threads/thread/cons/9.cc: Likewise.
1289         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
1290         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
1291         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
1292         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
1293         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
1294         * testsuite/30_threads/thread/id/operators.cc: Likewise.
1295         * testsuite/30_threads/thread/members/1.cc: Likewise.
1296         * testsuite/30_threads/thread/members/2.cc: Likewise.
1297         * testsuite/30_threads/thread/members/3.cc: Likewise.
1298         * testsuite/30_threads/thread/members/4.cc: Likewise.
1299         * testsuite/30_threads/thread/members/5.cc: Likewise.
1300         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
1301         Likewise.
1302         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
1303         * testsuite/30_threads/thread/swap/1.cc: Likewise.
1304         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
1305         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
1306         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
1307         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
1308         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
1309         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
1310         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
1311         Likewise.
1312         * testsuite/30_threads/timed_mutex/requirements/
1313         standard_layout.cc: Likewise.
1314         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
1315         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
1316         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
1317         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
1318         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
1319         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
1320         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
1321         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
1322         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
1323         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
1324         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
1325         * testsuite/30_threads/try_lock/1.cc: Likewise.
1326         * testsuite/30_threads/try_lock/2.cc: Likewise.
1327         * testsuite/30_threads/try_lock/3.cc: Likewise.
1328         * testsuite/30_threads/try_lock/4.cc: Likewise.
1329         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
1330         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
1331         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
1332         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
1333         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
1334         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
1335         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
1336         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
1337         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
1338         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
1339         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
1340         * testsuite/30_threads/unique_lock/requirements/
1341         explicit_instantiation.cc: Likewise.
1342         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
1343
1344         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
1345         directive.
1346         * testsuite/30_threads/async/49668.cc: Likewise.
1347         * testsuite/30_threads/async/54297.cc: Likewise.
1348         * testsuite/30_threads/async/84532.cc: Likewise.
1349         * testsuite/30_threads/async/any.cc: Likewise.
1350         * testsuite/30_threads/async/async.cc: Likewise.
1351         * testsuite/30_threads/async/except.cc: Likewise.
1352         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
1353         * testsuite/30_threads/async/launch.cc: Likewise.
1354         * testsuite/30_threads/async/lwg2021.cc: Likewise.
1355         * testsuite/30_threads/async/sync.cc: Likewise.
1356         * testsuite/30_threads/call_once/39909.cc: Likewise.
1357         * testsuite/30_threads/call_once/49668.cc: Likewise.
1358         * testsuite/30_threads/call_once/60497.cc: Likewise.
1359         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
1360         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
1361         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
1362         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
1363         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
1364         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
1365         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
1366         Likewise.
1367         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
1368         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
1369         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
1370         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
1371         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
1372         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
1373         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
1374         Likewise.
1375         * testsuite/30_threads/condition_variable/requirements/
1376         standard_layout.cc: Likewise.
1377         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
1378         * Likewise.
1379         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
1380         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
1381         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
1382         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
1383         Likewise.
1384         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
1385         Likewise.
1386         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
1387         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1388         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
1389         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
1390         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
1391         * testsuite/30_threads/future/cons/default.cc: Likewise.
1392         * testsuite/30_threads/future/cons/move.cc: Likewise.
1393         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
1394         * testsuite/30_threads/future/members/45133.cc: Likewise.
1395         * testsuite/30_threads/future/members/get.cc: Likewise.
1396         * testsuite/30_threads/future/members/get2.cc: Likewise.
1397         * testsuite/30_threads/future/members/share.cc: Likewise.
1398         * testsuite/30_threads/future/members/valid.cc: Likewise.
1399         * testsuite/30_threads/future/members/wait.cc: Likewise.
1400         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
1401         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
1402         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
1403         Likewise.
1404         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
1405         Likewise.
1406         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1407         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
1408         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
1409         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
1410         * testsuite/30_threads/lock/1.cc: Likewise.
1411         * testsuite/30_threads/lock/2.cc: Likewise.
1412         * testsuite/30_threads/lock/3.cc: Likewise.
1413         * testsuite/30_threads/lock/4.cc: Likewise.
1414         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
1415         * testsuite/30_threads/lock_guard/requirements/
1416         explicit_instantiation.cc: Likewise.
1417         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
1418         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
1419         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
1420         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
1421         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
1422         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
1423         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
1424         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
1425         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
1426         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
1427         Likewise.
1428         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
1429         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
1430         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
1431         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
1432         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
1433         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
1434         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
1435         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
1436         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
1437         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
1438         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
1439         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
1440         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
1441         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1442         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1443         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
1444         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
1445         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
1446         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
1447         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
1448         Likewise.
1449         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
1450         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
1451         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
1452         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
1453         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
1454         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
1455         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
1456         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
1457         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
1458         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
1459         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
1460         * testsuite/30_threads/packaged_task/requirements/
1461         explicit_instantiation.cc: Likewise.
1462         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1463         * testsuite/30_threads/promise/60966.cc: Likewise.
1464         * testsuite/30_threads/promise/69106.cc: Likewise.
1465         * testsuite/30_threads/promise/cons/1.cc: Likewise.
1466         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
1467         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
1468         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
1469         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
1470         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
1471         * testsuite/30_threads/promise/cons/move.cc: Likewise.
1472         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
1473         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
1474         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
1475         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
1476         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
1477         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
1478         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
1479         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
1480         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
1481         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
1482         * testsuite/30_threads/promise/members/swap.cc: Likewise.
1483         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
1484         * Likewise.
1485         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
1486
1487         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
1488         from namespace std.
1489         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
1490         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
1491         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
1492         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
1493         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
1494         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
1495         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
1496         * testsuite/20_util/duration/cons/1.cc: Likewise.
1497         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
1498         * testsuite/20_util/duration/cons/2.cc: Likewise.
1499         * testsuite/20_util/duration/cons/54025.cc: Likewise.
1500         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
1501         * testsuite/20_util/duration/requirements/explicit_instantiation/
1502         explicit_instantiation.cc: Likewise.
1503         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1504         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1505         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1506         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
1507         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
1508         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
1509         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
1510         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
1511         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
1512         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
1513         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
1514         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
1515         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
1516         * testsuite/20_util/system_clock/1.cc: Likewise.
1517         * testsuite/20_util/time_point/1.cc: Likewise.
1518         * testsuite/20_util/time_point/2.cc: Likewise.
1519         * testsuite/20_util/time_point/3.cc: Likewise.
1520         * testsuite/20_util/time_point/requirements/explicit_instantiation/
1521         explicit_instantiation.cc: Likewise.
1522         * testsuite/21_strings/basic_string/requirements/
1523         explicit_instantiation/char16_t/1.cc: Likewise.
1524         * testsuite/21_strings/basic_string/requirements/
1525         explicit_instantiation/char32_t/1.cc: Likewise.
1526         * testsuite/21_strings/basic_string_view/requirements/
1527         explicit_instantiation/char16_t/1.cc: Likewise.
1528         * testsuite/21_strings/basic_string_view/requirements/
1529         explicit_instantiation/char32_t/1.cc: Likewise.
1530         * testsuite/21_strings/char_traits/requirements/
1531         explicit_instantiation/char16_t/1.cc: Likewise.
1532         * testsuite/21_strings/char_traits/requirements/
1533         explicit_instantiation/char32_t/1.cc: Likewise.
1534         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
1535         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
1536         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1537         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
1538         Likewise.
1539         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
1540         Likewise.
1541         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
1542         Likewise.
1543         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1544         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
1545         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
1546         Likewise.
1547         * testsuite/experimental/string_view/requirements/
1548         explicit_instantiation/char16_t/1.cc: Likewise.
1549         * testsuite/experimental/string_view/requirements/
1550         explicit_instantiation/char32_t/1.cc: Likewise.
1551         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
1552         1.cc: Likewise.
1553         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
1554         1.cc: Likewise.
1555
1556         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1557         (random_condition, throw_value_random, throw_allocator_random)
1558         (std::hash<throw_value_random>): Do not define when <tr1/random> is
1559         not usable.
1560         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
1561         define transactional memory support when <stdint.h> is not usable.
1562
1563         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
1564         implementation that doesn't depend on <stdint.h> types.
1565         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
1566         std::size_t when std::uintptr_t is not usable.
1567         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
1568         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
1569         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1570
1571         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1572         (hash<u16string>, hash<u32string>): Remove dependency on
1573         _GLIBCXX_USE_C99_STDINT_TR1.
1574         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1575         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
1576         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
1577         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
1578         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1579         (codecvt<char16_t, char, mbstate_t>)
1580         (codecvt<char32_t, char, mbstate_t>)
1581         (codecvt_byname<char16_t, char, mbstate_t>)
1582         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
1583         on _GLIBCXX_USE_C99_STDINT_TR1.
1584         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1585         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
1586         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1587         (char_traits<char16_t>, char_traits<char32_t>)
1588         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
1589         on _GLIBCXX_USE_C99_STDINT_TR1.
1590         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1591         (u16string_view, u32string_view, hash<u16string_view>)
1592         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1593         (operator""sv(const char32_t, size_t)): Likewise.
1594         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1595         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
1596         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1597         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
1598         (__u32sso_string, __u32rc_string): Likewise.
1599         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
1600         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
1601         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1602         (u16string_view, u32string_view, hash<u16string_view>)
1603         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1604         (operator""sv(const char32_t, size_t)): Likewise.
1605         * src/c++11/codecvt.cc: Likewise.
1606         * src/c++98/locale_init.cc: Likewise.
1607         * src/c++98/localename.cc: Likewise.
1608
1609         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1610         (__atomic_futex_unsigned_base): Remove dependency on
1611         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1612         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1613         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
1614         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
1615         (uintmax_t): Define using predefined macros.
1616         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
1617         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
1618         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
1619         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
1620         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
1621         long long when <stdint.h> is not usable.
1622         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
1623         (condition_variable, condition_variable_any): Remove dependency on
1624         _GLIBCXX_USE_C99_STDINT_TR1.
1625         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
1626         (packaged_task, async): Likewise.
1627         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
1628         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
1629         (once_flag, call_once): Likewise.
1630         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
1631         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
1632         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
1633         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
1634         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
1635         (this_thread::sleep_until): Likewise.
1636         * src/c++11/chrono.cc: Remove dependency on
1637         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1638         * src/c++11/condition_variable.cc: Likewise.
1639         * src/c++11/futex.cc: Likewise.
1640         * src/c++11/future.cc: Likewise.
1641         * src/c++11/mutex.cc: Likewise.
1642         * src/c++11/thread.cc: Likewise.
1643         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
1644         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1645         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1646         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1647         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
1648         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1649
1650 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1651
1652         PR libstdc++/77691
1653         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1654         xfail execution on 32-bit Solaris/x86.
1655
1656 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
1657
1658         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
1659         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
1660         (vector::_M_move_assign): Reorder the swaps.
1661
1662 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1663
1664         PR libstdc++/86676
1665         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
1666         same alignment for post-release allocation.
1667
1668 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
1669
1670         PR libstdc++/86676
1671         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
1672         buffer being misaligned and so returned pointer not being at start.
1673
1674         * include/experimental/memory_resource: Include <cstddef> header.
1675
1676         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
1677         * src/Makefile.am: Add comment.
1678         * src/c++17/Makefile.in: Regenerate.
1679
1680         * include/Makefile.am: Add new <bits/unique_lock.h> header.
1681         * include/Makefile.in: Regenerate.
1682         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
1683         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1684         (unique_lock): Move definition to ...
1685         * include/bits/unique_lock.h: New header.
1686         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
1687         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
1688         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
1689         (unique_lock::try_lock_for): Define only when <chrono> is usable.
1690         * include/std/condition_variable: Include <bits/unique_lock.h>.
1691         * include/std/mutex: Likewise.
1692
1693 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
1694
1695         * config/abi/pre/gnu.ver: Export new symbols.
1696         * configure: Regenerate.
1697         * include/Makefile.am: Add new <memory_resource> header.
1698         * include/Makefile.in: Regenerate.
1699         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
1700         * include/std/memory_resource: New header.
1701         (memory_resource, polymorphic_allocator, new_delete_resource)
1702         (null_memory_resource, set_default_resource, get_default_resource)
1703         (pool_options, monotonic_buffer_resource): Define.
1704         * src/Makefile.am: Add c++17 directory.
1705         * src/Makefile.in: Regenerate.
1706         * src/c++11/Makefile.am: Fix comment.
1707         * src/c++17/Makefile.am: Add makefile for new sub-directory.
1708         * src/c++17/Makefile.in: Generate.
1709         * src/c++17/memory_resource.cc: New.
1710         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
1711         (default_res, new_delete_resource, null_memory_resource)
1712         (set_default_resource, get_default_resource): Define.
1713         * testsuite/20_util/memory_resource/1.cc: New test.
1714         * testsuite/20_util/memory_resource/2.cc: New test.
1715         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
1716         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
1717         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
1718         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
1719         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
1720         New test.
1721         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
1722         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
1723         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
1724         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1725         Define concrete memory resource for testing.
1726         (__gnu_test::default_resource_mgr): Define RAII helper for changing
1727         default resource.
1728
1729         PR libstdc++/86658
1730         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
1731         parameter by reference, to avoid copying invalid iterators.
1732         * testsuite/25_algorithms/copy/86658.cc: New test.
1733
1734         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
1735         local variables for number of digits instead of type aliases.
1736         (__log2p1): Remove redundant branch also checked in __countl_zero.
1737
1738         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
1739         conditions. Add comments.
1740         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
1741         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1742         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
1743
1744         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
1745         (__uses_allocator_helper): Check conditions directly instead of
1746         using __is_erased_or_convertible.
1747
1748         * include/experimental/memory_resource: Adjust comments and
1749         whitespace.
1750         (__resource_adaptor_imp): Add second template parameter for type of
1751         memory resource base class.
1752         (memory_resource): Define default constructor, destructor, copy
1753         constructor and copy assignment operator as defaulted.
1754
1755         PR libstdc++/70966
1756         * include/experimental/memory_resource (__get_default_resource): Use
1757         placement new to create an object with dynamic storage duration.
1758
1759 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
1760
1761         PR libstdc++/70940
1762         * include/experimental/memory_resource
1763         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
1764         (__resource_adaptor_common::__guaranteed_alignment): New helper to
1765         give maximum alignment an allocator guarantees. Specialize for known
1766         allocators using new and malloc.
1767         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
1768         (__resource_adaptor_imp::do_deallocate): Likewise.
1769         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1770         Check that new and delete are called with expected sizes.
1771
1772 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1773
1774         PR libstdc++/86595
1775         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
1776         noexcept.
1777
1778 2018-07-20  Fangrui Song  <maskray@google.com>
1779
1780         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
1781         _GLIBCXX_VISIBILITY(default).
1782
1783 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1784
1785         PR libstdc++/86603
1786         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
1787
1788 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
1789
1790         * include/std/type_traits (__is_member_object_pointer_helper): Use
1791         __not_<is_function<_Tp>>::type instead of integral_constant.
1792         (__is_member_function_pointer_helper): Likewise for
1793         is_function<_Tp>::type.
1794         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
1795         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
1796         (is_trivially_constructible): Remove redundant use of
1797         is_constructible.
1798         (__is_trivially_copy_assignable_impl): Remove redundant use of
1799         is_copy_assignable.
1800         (__is_trivially_move_assignable_impl): Remove redundant use of
1801         is_move_assignable.
1802         (is_trivially_destructible): Use __bool_constant.
1803         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
1804         tests for scalar types.
1805
1806 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
1807
1808         * include/bits/stl_algobase.h (__copy_move_a): Used
1809         __is_trivially_copyable.
1810         (__copy_move_backward_a): Likewise.
1811         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1812         New test.
1813
1814 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
1815
1816         PR libstdc++/86450
1817         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
1818         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
1819         * configure: Regenerate.
1820         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
1821         * doc/Makefile.in: Regenerate.
1822         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
1823         * include/Makefile.in: Regenerate.
1824         * libsupc++/Makefile.in: Regenerate.
1825         * po/Makefile.in: Regenerate.
1826         * python/Makefile.in: Regenerate.
1827         * src/Makefile.in: Regenerate.
1828         * src/c++11/Makefile.in: Regenerate.
1829         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
1830         from -Wabi=2 that don't affect exported symbols.
1831         * src/c++98/Makefile.in: Regenerate.
1832         * src/filesystem/Makefile.in: Regenerate.
1833         * testsuite/Makefile.in: Regenerate.
1834
1835         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
1836         (_Async_state_common::_M_join): Simplify use of std::call_once and
1837         corresponding explicit instantiation.
1838         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
1839         (__bind_simple): Remove definitions and explicit instantiation that
1840         are not required by exported symbols.
1841
1842 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
1843
1844         * scripts/create_testsuite_files: Fix typo in comment.
1845
1846         PR libstdc++/86537
1847         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
1848         non-standard partial specialization.
1849         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
1850         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
1851         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
1852
1853 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
1854
1855         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1856         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1857         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1858
1859 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
1860
1861         * include/debug/functions.h (__gnu_debug::__check_string): Move...
1862         * include/debug/string (__gnu_debug::__check_string): ... here.
1863         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
1864         (__glibcxx_check_string_n_constructor): New.
1865         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
1866         Use latter.
1867         (__glibcxx_check_string_constructor): New.
1868         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
1869         Use latter.
1870         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
1871         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
1872
1873 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
1874
1875         PR libstdc++/84928 use std::move in <numeric> algorithms
1876         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
1877         conditionally move, according to __cplusplus value.
1878         (accumulate, inner_product, partial_sum, adjacent_difference): Use
1879         _GLIBCXX_MOVE_IF_20.
1880         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
1881         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
1882         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
1883         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
1884
1885         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
1886
1887         P0935R0 Eradicating unnecessarily explicit default constructors
1888         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
1889         default constructor symbols.
1890         * include/std/sstream (basic_stringbuf, basic_istringstream)
1891         (basic_ostringstream, basic_stringstream): Remove default arguments
1892         from explicit constructors taking ios_base::openmode and add separate
1893         non-explicit default constructors.
1894         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
1895         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
1896         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
1897         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
1898         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
1899
1900         * include/std/variant (__accepted_index): Use void_t.
1901
1902 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
1903
1904         PR libstdc++/85831
1905         * config/abi/pre/gnu.ver: Export move constructors and move
1906         assignment operators for std::logic_error and std::runtime_error.
1907         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
1908         _GLIBCXX_USE_NOEXCEPT.
1909         (logic_error, runtime_error): Declare move constructors and move
1910         assignment operators. When not declared already, define copy
1911         constructors and copy assignment operators as explicit-defaulted.
1912         (domain_error, invalid_argument, length_error, out_of_range)
1913         (overflow_error, underflow_error): Define move constructors and move
1914         assignment operators as explicitly-defaulted.
1915         * libsupc++/exception.h (exception): Likewise.
1916         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
1917         move constructors and move assignment operators as defaulted.
1918         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
1919         assignment operators are defined.
1920
1921         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
1922         COW strings.
1923         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1924         Likewise.
1925         * testsuite/21_strings/basic_string/requirements/
1926         explicit_instantiation/debug.cc: Likewise.
1927
1928         PR libstdc++/58265
1929         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1930         (basic_string::assign(basic_string&&)): Add conditional noexcept
1931         depending on the allocator's is_always_equal property (LWG 2063).
1932         * testsuite/21_strings/basic_string/modifiers/assign/char/
1933         move_assign.cc: Check for non-throwing exception specification.
1934         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
1935         move_assign.cc: Likewise.
1936
1937         PR libstdc++/58265
1938         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1939         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
1940         Add GLIBCXX_NOEXCEPT.
1941         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
1942         to depend on the allocator's is_always_equal property (LWG 2063).
1943         (basic_string::swap(basic_string&)): Likewise.
1944         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
1945         (basic_string::swap(basic_string&)): Likewise.
1946         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
1947         Check is_nothrow_move_assignable.
1948         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
1949         Check is_nothrow_move_assignable.
1950         * testsuite/21_strings/basic_string/cons/char/
1951         noexcept_move_construct.cc: Likewise.
1952         * testsuite/21_strings/basic_string/cons/wchar_t/
1953         noexcept_move_construct.cc: Likewise.
1954
1955 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1956
1957         P0646R1 Improving the Return Value of Erase-Like Algorithms I
1958         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
1959         Define.
1960         (forward_list::__remove_return_type): Define typedef as size_type or
1961         void, according to __cplusplus value.
1962         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1963         empty, according to __cplusplus value.
1964         (forward_list::remove, forward_list::unique): Use typedef and macro
1965         to change return type and add abi-tag for C++2a.
1966         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
1967         typedef to change return type for C++2a.
1968         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
1969         (forward_list::remove, forward_list::remove_if<Pred>)
1970         (forward_list::unique<BinPred>): Return number of removed elements
1971         for C++2a.
1972         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
1973         (list::remove, list::unique, list::remove_if<Predicate>)
1974         (list::unique<BinaryPredicate>): Return number of removed elements
1975         for C++2a.
1976         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
1977         (list::__remove_return_type): Define typedef as size_type or
1978         void, according to __cplusplus value.
1979         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
1980         empty, according to __cplusplus value.
1981         (list::remove, list::unique): Use typedef and macro to change return
1982         type and add abi-tag for C++2a.
1983         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
1984         typedef to change return type for C++2a.
1985         * include/std/version (__cpp_lib_list_remove_return_type): Define.
1986         * testsuite/23_containers/forward_list/operations/
1987         remove_cxx20_return.cc: New.
1988         * testsuite/23_containers/forward_list/operations/
1989         unique_cxx20_return.cc: New.
1990
1991         P0458R2 Checking for Existence of an Element in Associative Containers
1992         * include/bits/stl_map.h (map::contains): Add for C++2a.
1993         * include/bits/stl_multimap.h (multimap::contains): Likewise.
1994         * include/bits/stl_multiset.h (multiset::contains): Likewise.
1995         * include/bits/stl_set.h (set::contains): Likewise.
1996         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
1997         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
1998         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
1999         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
2000         * include/bits/unordered_map.h (unordered_map::contains)
2001         (unordered_multimap::contains): Add for C++2a.
2002         * include/bits/unordered_set.h (unordered_set::contains)
2003         (unordered_multiset::contains): Likewise.
2004         * testsuite/23_containers/map/operations/contains.cc: New.
2005         * testsuite/23_containers/multimap/operations/contains.cc: New.
2006         * testsuite/23_containers/multiset/operations/contains.cc: New.
2007         * testsuite/23_containers/set/operations/contains.cc: New.
2008         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
2009         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
2010         New.
2011         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
2012         New.
2013         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
2014
2015 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
2016
2017         PR libstdc++/86272
2018         * include/debug/string
2019         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
2020         Use __glibcxx_check_insert_range.
2021         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
2022         __gnu_debug::string when _GLIBCXX_DEBUG.
2023         * 21_strings/basic_string/init-list.cc: Likewise.
2024         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
2025         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
2026         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
2027         * 21_strings/basic_string/types/1.cc: Likewise.
2028
2029 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2030
2031         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
2032         target for std::random_device.
2033         * testsuite/26_numerics/random/random_device/cons/default.cc:
2034         Likewise.
2035         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2036         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2037         * testsuite/experimental/random/randint.cc: Likewise.
2038         * testsuite/lib/libstdc++.exp
2039         (check_effective_target_random_device): New proc.
2040
2041 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2042             Jakub Jelinek  <jakub@redhat.com>
2043
2044         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
2045
2046 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2047
2048         PR libstdc++/86398
2049         * include/std/type_traits (is_trivially_constructible): Check
2050         is_constructible before __is_trivially_constructible.
2051         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
2052         tests, including negative cases.
2053         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
2054         zero for dg-error lineno.
2055         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
2056         Likewise.
2057
2058         * include/std/bit (__rotl, __rotr): Avoid branch.
2059         (_If_is_unsigned_integer): Use remove_cv_t.
2060         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
2061
2062 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
2063
2064         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
2065         * include/Makefile.am: Add new header.
2066         * include/Makefile.in: Regenerate.
2067         * include/precompiled/stdc++.h: Include new header.
2068         * include/std/bit: New header.
2069         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
2070         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
2071         Define for C++14.
2072         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
2073         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
2074         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
2075         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
2076         std::byte.
2077         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
2078         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
2079         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
2080         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
2081         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
2082         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
2083         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
2084         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
2085         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
2086         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
2087
2088         * include/bits/alloc_traits.h: Remove redundant preprocessor
2089         condition.
2090
2091 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
2092
2093         * include/bits/stl_algobase.h (__niter_wrap): New.
2094         (__copy_move_a2(_II, _II, _OI)): Use latter.
2095         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
2096         (fill_n(_OI, _Size, const _Tp&)): Likewise.
2097         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
2098         * include/debug/stl_iterator.h
2099         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
2100         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
2101         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
2102         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
2103
2104 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
2105
2106         P0758R1 Implicit conversion traits
2107         * include/std/type_traits [__cplusplus > 201703]
2108         (__is_convertible_helper::__is_nothrow_type): Define new member.
2109         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
2110         noexcept.
2111         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
2112         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
2113         new members.
2114         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
2115         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
2116         * testsuite/20_util/is_nothrow_convertible/requirements/
2117         explicit_instantiation.cc: New.
2118         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
2119         New.
2120
2121         P0887R1 The identity metafunction
2122         * include/std/type_traits (type_identity, type_identity_t): Define
2123         for C++2a.
2124         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
2125         * testsuite/20_util/type_identity/requirements/
2126         explicit_instantiation.cc:New.
2127         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
2128
2129         * include/bits/regex.h (sub_match::operator string_type): Call str().
2130         (sub_match::compare): Use _M_str() instead of str().
2131         (sub_match::_M_compare): New public function.
2132         (sub_match::__string_view): New helper type.
2133         (sub_match::_M_str): New overloaded functions to avoid creating a
2134         string_type object when not needed.
2135         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
2136         Use sub_match::_M_compare instead of creating string_type objects.
2137         Fix Doxygen comments.
2138         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
2139         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
2140         simplify.
2141         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
2142         __enable_if_t.
2143         * include/std/type_traits (__enable_if_t): Define for C++11.
2144         * testsuite/28_regex/sub_match/compare.cc: New.
2145         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
2146         trait.
2147         (input_iterator_wrapper): Use remove_cv for value_type argument of
2148         std::iterator base class.
2149
2150 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
2151
2152         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
2153         Add whitespace to dejagnu directive.
2154         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
2155
2156 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
2157
2158         * include/bits/stl_vector.h
2159         (struct _Vector_base<>::_Vector_impl_data): New.
2160         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
2161         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
2162         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
2163         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
2164         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
2165         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
2166         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
2167         (_Vector_base()): Default.
2168         (_Vector_base(_Vector_base&&)): Default.
2169         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
2170         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
2171         (_Vector_base::_M_create_storage(size_t)): Make protected.
2172         (vector()): Default.
2173         (vector(vector&&)): Default.
2174         (vector(vector&&, const allocator_type&, true_type)): New.
2175         (vector(vector&&, const allocator_type&, false_type)): New.
2176         (vector(vector&&, const allocator_type&)): Use latters.
2177         (vector(_InputIte, _InputIte, const allocator_type&)): Call
2178         _M_range_initialize directly.
2179         * include/debug/vector
2180         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
2181         * testsuite/23_containers/vector/allocator/default_init.cc: New.
2182         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
2183         static assertions.
2184
2185 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
2186
2187         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
2188         (__is_byte<byte>): Define specialization for std::byte.
2189
2190         PR libstdc++/86138
2191         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
2192         Declare explicit instantiations of COW empty reps and I/O functions.
2193
2194 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
2195
2196         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
2197         directives.
2198         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2199
2200 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
2201
2202         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
2203         noexcept.
2204
2205 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
2206
2207         PR libstdc++/86112
2208         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2209         Replace dict comprehension.
2210
2211         PR libstdc++/81092
2212         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2213
2214         PR libstdc++/86292
2215         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
2216         Add try-catch block.
2217         * testsuite/23_containers/vector/cons/86292.cc: New.
2218
2219         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
2220
2221         * include/experimental/algorithm (sample, shuffle): Add new overloads
2222         using per-thread random number engine.
2223         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
2224         dependencies by using __gnu_test::test_container.
2225         * testsuite/experimental/algorithm/sample-2.cc: New.
2226         * testsuite/experimental/algorithm/shuffle.cc: New.
2227
2228 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
2229
2230         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
2231         different size_t mangling on 32-bit targets.
2232
2233         PR libstdc++/86280
2234         * include/experimental/memory_resource
2235         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
2236         enough for result of left shift.
2237
2238         PR libstdc++/86138
2239         * include/bits/basic_string.tcc:
2240         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
2241         (basic_string<char>::_Rep::_S_empty_rep_storage)
2242         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
2243         instantiation declarations.
2244         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
2245         explicit instantiation declarations.
2246         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
2247         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
2248
2249 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
2250
2251         PR libstdc++/83328
2252         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
2253         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
2254         * configure: Regenerate.
2255         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2256         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
2257         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2258         (basic_string::insert(iterator, initializer_list<C>)): Suppress
2259         definition.
2260         * include/debug/string (basic_string::insert(iterator, C)): Change
2261         first parameter to const_iterator.
2262         (basic_string::insert(iterator, size_type, C)): Likewise. Change
2263         return type to iterator.
2264         (basic_string::insert(iterator, InputIterator, InputIterator)):
2265         Likewise.
2266         (basic_string::insert(iterator, initializer_list<C>)): Change first
2267         parameter to const_iterator and return type to iterator.
2268         * src/c++11/string-inst.cc: Extend comment.
2269         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
2270         New.
2271         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
2272         New.
2273         * testsuite/util/testsuite_abi.cc: Add new symbol version.
2274
2275         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2276
2277         PR libstdc++/70940
2278         * include/experimental/memory_resource
2279         (__resource_adaptor_imp::do_deallocate): Add missing return.
2280         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
2281         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2282         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
2283         __gnu_cxx::malloc_allocator.
2284
2285         PR libstdc++/70940
2286         * include/experimental/memory_resource (__resource_adaptor_common):
2287         New base class.
2288         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
2289         pointer from unaligned, and vice versa.
2290         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
2291         allocated pointer to meet alignment request.
2292         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
2293         original pointer for deallocation.
2294         (__resource_adaptor_imp::do_is_equal): Reformat.
2295         (__resource_adaptor_imp::_S_aligned_size): Remove.
2296         (__resource_adaptor_imp::_S_supported): Remove.
2297         (new_delete_resource): Use __gnu_cxx::new_allocator.
2298         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2299         extended alignments and use debug_allocator to check for matching
2300         allocate/deallocate pairs.
2301
2302 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
2303
2304         * include/debug/safe_iterator.h
2305         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
2306         Compare __x base iterator with a value-initialized iterator of the
2307         same type.
2308
2309 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
2310
2311         PR libstdc++/70966
2312         * include/experimental/memory_resource (__resource_adaptor_imp): Add
2313         static assertions to enforce requirements on pointer types.
2314         (__resource_adaptor_imp::get_allocator()): Add noexcept.
2315         (new_delete_resource, null_memory_resource): Return address of an
2316         object with dynamic storage duration.
2317         (__null_memory_resource): Remove.
2318         * testsuite/experimental/memory_resource/70966.cc: New.
2319
2320         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
2321         missed from recent commit.
2322
2323 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
2324
2325         * include/std/utility: Remove unused <exception> header.
2326
2327 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2328
2329         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
2330         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
2331         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
2332         a specialization of std::pair.
2333         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
2334         pair elements are constructed correctly.
2335
2336         LWG 2989 hide path iostream operators from normal lookup
2337         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
2338         friends.
2339         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
2340
2341         LWG 3050 Fix cv-qualification of convertibility constraints
2342         * include/std/chrono (duration, operator*, operator/, operator%): Use
2343         const-qualified type as source type in is_convertible constraints.
2344         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
2345         * testsuite/20_util/duration/cons/dr3050.cc: New.
2346         * testsuite/20_util/duration/literals/range.cc: Rename to...
2347         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
2348         dg-error lineno.
2349
2350 2018-06-18  Maya Rashish  <coypu@sdf.org>
2351
2352         * crossconfig.m4: Handle OpenBSD just like NetBSD.
2353         * configure: Rebuilt.
2354
2355 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2356
2357         P0754R2 <version> header
2358         * include/Makefile.am: Add new header.
2359         * include/Makefile.in: Regenerate.
2360         * include/bits/c++config: Change doxygen comment to suggest <version>
2361         instead of <iosfwd>.
2362         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
2363         unconditionally.  Add C++17 and C++20 headers.
2364         * include/std/version: New header.
2365         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
2366         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
2367         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
2368         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
2369         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
2370         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
2371         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
2372         New.
2373         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
2374         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
2375         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
2376         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
2377         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
2378         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
2379         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
2380         New.
2381         * testsuite/18_support/headers/version/macros.cc: New.
2382         * testsuite/18_support/headers/version/macros.cc: New.
2383
2384         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
2385         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
2386         symlink.
2387         * config.h.in: Regenerate.
2388         * configure: Regenerate.
2389         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
2390
2391         LWG 3035. std::allocator's constructors should be constexpr
2392         * include/bits/allocator.h (allocator): Add constexpr to constructors
2393         for C++2a. Replace dynamic exception specifications with NOTHROW
2394         macro.
2395         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
2396         NOTHROW.
2397         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
2398         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
2399         to constructors for C++2a.
2400         * include/ext/new_allocator.h (new_allocator): Likewise.
2401
2402 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
2403
2404         LWG 3076 basic_string CTAD ambiguity
2405         * doc/xml/manual/intro.xml: Document LWG 3076 change.
2406         * include/bits/basic_string.h
2407         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2408         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
2409         template constrained by _RequireAllocator.
2410         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
2411         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
2412         Define.
2413         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2414         deduction
2415         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2416         Likewise.
2417
2418 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
2419
2420         PR libstdc++/86169
2421         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2422         (basic_string::data()): Unshare string.
2423         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
2424         New.
2425
2426         * include/std/string_view (basic_string_view(const CharT*)): Remove
2427         check for null pointer and add nonnull attribute.
2428         (compare(const CharT*), compare(size_type, size_type, const CharT*))
2429         (find(const CharT*, size_type), rfind(const CharT*, size_type))
2430         (find_first_of(const CharT*, size_type))
2431         (find_last_of(const CharT*, size_type))
2432         (find_first_not_of(const CharT*, size_type))
2433         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
2434         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
2435         * testsuite/21_strings/basic_string_view/operations/compare/char/
2436         nonnull.cc: New.
2437         * testsuite/21_strings/basic_string_view/operations/find/char/
2438         nonnull.cc: New.
2439         * testsuite/21_strings/basic_string_view/operations/rfind/char/
2440         nonnull.cc: New.
2441
2442         PR libstdc++/86168
2443         * include/bits/random.h (random_device(const string&)): Remove
2444         default argument.
2445
2446         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
2447         define for C++17 and above.
2448
2449         LWG 2993 reference_wrapper<T> conversion from T&&
2450         * doc/xml/manual/intro.xml: Document LWG 2993 change.
2451         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
2452         (reference_wrapper(_Tp&&)): Remove.
2453         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
2454         template.
2455         (reference_wrapper): Add deduction guide.
2456         * testsuite/20_util/reference_wrapper/deduction.cc: New.
2457         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
2458
2459         LWG 3039 Unnecessary decay in thread and packaged_task
2460         * include/std/future (__constrain_pkgdtask): Replace with ...
2461         (packaged_task::__not_same): New alias template, using
2462         __remove_cvref_t instead of decay.
2463         * include/std/thread (thread::__not_same): Add comment.
2464
2465 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
2466
2467         LWG 3075 basic_string needs deduction guides from basic_string_view
2468         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2469         deduction from string views.
2470         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2471         Likewise.
2472
2473         LWG 3074 make scalar types non-deduced in valarray non-member functions
2474         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
2475         scalar parameters to be a non-deduced context.
2476         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
2477         whitespace.
2478         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
2479         * testsuite/26_numerics/valarray/transcend.cc: New.
2480
2481         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
2482         Move back to <utility>.
2483         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
2484         Restore to here.
2485
2486         P0935R0 Eradicating unnecessarily explicit default constructors
2487         * include/backward/strstream (strstreambuf): Add non-explicit default
2488         constructor.
2489         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
2490         Likewise.
2491         * include/bits/regex.h (match_results): Likewise.
2492         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
2493         default constructor.
2494         * testsuite/22_locale/conversions/string/1.cc: Likewise.
2495         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
2496         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
2497
2498         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
2499         macro from <utility> and change type to long.
2500         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
2501         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
2502         macro.
2503
2504         P0935R0 Eradicating unnecessarily explicit default constructors
2505         * include/bits/random.h (uniform_real_distribution::param_type)
2506         (normal_distribution::param_type, lognormal_distribution::param_type)
2507         (gamma_distribution::param_type, chi_squared_distribution::param_type)
2508         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
2509         (student_t_distribution::param_type)
2510         (bernoulli_distribution::param_type)
2511         (binomial_distribution::param_type)
2512         (geometric_distribution::param_type)
2513         (negative_binomial_distribution::param_type)
2514         (poisson_distribution::param_type)
2515         (exponential_distribution::param_type)
2516         (weibull_distribution::param_type)
2517         (extreme_value_distribution::param_type): Add non-explicit default
2518         constructors. Remove default argument for first parameter of explicit
2519         constructors.
2520         * include/bits/uniform_int_dist.h
2521         (uniform_int_distribution::param_type): Likewise.
2522         * include/ext/random
2523         (beta_distribution::param_type, rice_distribution::param_type)
2524         (nakagami_distribution::param_type, pareto_distribution::param_type)
2525         (k_distribution::param_type, arcsine_distribution::param_type)
2526         (hoyt_distribution::param_type, triangular_distribution::param_type)
2527         (von_mises_distribution::param_type)
2528         (hypergeometric_distribution::param_type)
2529         (logistic_distribution::param_type)
2530         (uniform_inside_sphere_distribution::param_type): Likewise.
2531         (uniform_on_sphere_distribution::param_type): Make default constructor
2532         non-explicit.
2533         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2534         Test param_type for non-explicit default constructor.
2535         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2536         Likewise.
2537         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2538         Likewise.
2539         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2540         Likewise.
2541         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2542         Likewise.
2543         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2544         Likewise.
2545         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2546         Likewise.
2547         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2548         Likewise.
2549         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2550         Likewise.
2551         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2552         Likewise.
2553         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2554         Likewise.
2555         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2556         Likewise.
2557         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2558         Likewise.
2559         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2560         Likewise.
2561         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2562         Likewise.
2563         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2564         Likewise.
2565         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2566         Likewise.
2567         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2568         Likewise.
2569         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2570         Likewise.
2571         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2572         Likewise.
2573         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2574         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2575         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2576         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2577         Likewise.
2578         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2579         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2580         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2581         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2582         Likewise.
2583         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2584         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2585         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2586         Likewise.
2587         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2588         Likewise.
2589         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2590         Likewise.
2591         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2592         Likewise.
2593
2594 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
2595             Jonathan Wakely  <jwakely@redhat.com>
2596
2597         PR libstdc++/83982
2598         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
2599         Default-construct new elements before moving existing ones.
2600         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
2601         New.
2602
2603 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
2604
2605         PR libstdc++/86127
2606         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
2607         unused typedef.
2608         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
2609         Use node allocator to create and destroy elements.
2610         (forward_list::_Tp_alloc_type): Remove unused typedef.
2611         (forward_list::_Alloc_traits): Use allocator_traits instead of
2612         __gnu_cxx::__alloc_traits.
2613
2614 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
2615
2616         * include/debug/helper_functions.h
2617         (__gnu_debug::_Safe_iterator<>): Add declaration.
2618         (__can_advance(_Ite, _Size)): New.
2619         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
2620         * include/debug/functions.h
2621         (__gnu_debug::_Safe_iterator<>): Remove declaration.
2622         * include/debug/stl_iterator.h
2623         (__can_advance(const _Safe_iterator<>&)): New definition.
2624         * include/debug/stl_iterator.h
2625         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
2626         (__can_advance(const std::move_iterator<>&, _Size)): New.
2627         * include/debug/macros.h (__glibcxx_check_can_increment): New.
2628         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
2629         * include/bits/stl_algobase.h (fill_n): Use latter.
2630         * testsuite/25_algorithms/fill_n/2.cc: New.
2631         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
2632         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
2633         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
2634         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
2635
2636         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
2637         (__glibcxx_requires_can_decrement_range): New.
2638
2639 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
2640
2641         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
2642         (__glibcxx_check_can_decrement_range): New.
2643         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
2644         __glibcxx_requires_can_increment_range.
2645         (std::move(_II, _II, _OI)): Likewise.
2646         (std::copy_backward(_BI, _BI, _BI2)): Use
2647         __glibcxx_requires_can_decrement_range.
2648         (std::move_backward(_BI, _BI, _BI2)): Likewise.
2649         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
2650         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
2651         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
2652         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
2653         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
2654         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
2655
2656 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
2657
2658         P0935R0 Eradicating unnecessarily explicit default constructors
2659         * include/bits/random.h (linear_congruential_engine)
2660         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
2661         (uniform_real_distribution, normal_distribution)
2662         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
2663         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
2664         (bernoulli_distribution, binomial_distribution,geometric_distribution)
2665         (negative_binomial_distribution, exponential_distribution)
2666         (weibull_distribution, extreme_value_distribution): Add non-explicit
2667         default constructors. Remove default argument for first parameter of
2668         explicit constructors.
2669         (piecewise_constant_distribution, piecewise_linear_distribution):
2670         Make default constructor non-explicit.
2671         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
2672         non-explicit default constructors. Remove default argument for first
2673         parameter of explicit constructor.
2674         * include/ext/random
2675         (simd_fast_mersenne_twister_engine, beta_distribution)
2676         (rice_distribution, nakagami_distribution, pareto_distribution)
2677         (k_distribution, arcsine_distribution, hoyt_distribution)
2678         (triangular_distribution, von_mises_distribution)
2679         (hypergeometric_distribution, logistic_distribution)
2680         (uniform_inside_sphere_distribution): Likewise.
2681         (uniform_on_sphere_distribution): Make default constructor
2682         non-explicit.
2683         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2684         Test for non-explicit default constructor. Fix references to standard.
2685         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2686         Likewise.
2687         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2688         Likewise.
2689         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2690         Likewise.
2691         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2692         Likewise.
2693         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2694         Likewise.
2695         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2696         Likewise.
2697         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2698         Likewise.
2699         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2700         Likewise.
2701         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2702         Likewise.
2703         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2704         Likewise.
2705         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2706         Likewise.
2707         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2708         Likewise.
2709         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2710         Likewise.
2711         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2712         Likewise.
2713         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2714         Likewise.
2715         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2716         Likewise.
2717         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2718         Likewise.
2719         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2720         Likewise.
2721         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2722         Likewise.
2723         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2724         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2725         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2726         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2727         Likewise.
2728         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2729         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2730         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2731         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2732         Likewise.
2733         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2734         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2735         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2736         Likewise.
2737         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2738         Likewise.
2739         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2740         Likewise.
2741         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2742         Likewise.
2743         * testsuite/util/testsuite_common_types.h
2744         (implicitly_default_constructible): New helper.
2745
2746 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
2747
2748         * include/bits/ios_base.h (ios::Init::Init(const Init&))
2749         (ios::Init::operator=): Define as defaulted.
2750         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
2751         Likewise.
2752         * include/bits/stream_iterator.h (istream_iterator::operator=)
2753         (ostream_iterator::operator=): Likewise.
2754         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
2755         Likewise.
2756         * include/std/bitset (bitset::reference::reference(const reference&)):
2757         Likewise.
2758         * include/std/complex (complex<float>::complex(const complex&))
2759         (complex<double>::complex(const complex&))
2760         (complex<long double>::complex(const complex&)): Likewise.
2761
2762 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
2763
2764         * include/bits/regex.h (sub_match): Add noexcept to default
2765         constructor and length observer.
2766         (match_results): Add noexcept to default constructor and observers
2767         with no preconditions. Define destructor as defaulted.
2768         (operator==, operator!=, swap): Add noexcept.
2769         (regex_iterator): Add default member initializers and define default
2770         constructor and destructor as defaulted. Add noexcept to equality
2771         and dereference operators.
2772
2773 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
2774
2775         * src/c++11/debug.cc
2776         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
2777         (_Safe_iterator_base::_M_detach_single()): Likewise.
2778         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
2779         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
2780
2781 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2782
2783         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
2784         move of const value.
2785
2786 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
2787
2788         PR c++/86068
2789         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
2790         rather than __cpp_transactional_memory >= 201505L.
2791
2792 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2793
2794         PR libstdc++/86008
2795         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
2796         Define new partial specialization.
2797         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
2798         new overload.
2799         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
2800         value not reference for iteration.
2801         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
2802         comment.
2803         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
2804         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
2805         comment.
2806
2807 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
2808
2809         * include/std/type_traits: Fix comment typos.
2810
2811         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
2812         mingw* targets.
2813         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2814         * testsuite/experimental/filesystem/operations/read_symlink.cc:
2815         Likewise.
2816
2817 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
2818
2819         * include/bits/stl_tempbuf.h
2820         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
2821         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
2822         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
2823         * include/bits/stl_algo.h (__stable_partition): Adapt.
2824         (__inplace_merge): Adapt.
2825         (__stable_sort): Adapt.
2826
2827 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
2828
2829         PR libstdc++/85930
2830         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
2831         unconditionally. Remove redundant declaration.
2832         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
2833         alignment-specifier.
2834
2835         * include/bits/postypes.h (fpos): Define special members as defaulted.
2836
2837         PR libstdc++/85930
2838         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
2839         the static variable correctly.
2840
2841 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2842
2843         PR libstdc++/78870 support std::filesystem on Windows
2844         * config.h.in: Regenerate.
2845         * configure: Regenerate.
2846         * configure.ac: Check for link, readlink and symlink.
2847         * include/bits/fs_path.h (path::operator/=(const path&)): Move
2848         definition out of class body.
2849         (path::is_absolute(), path::_M_append(path)): Likewise.
2850         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
2851         (operator>>(basic_istream, path&)): Likewise.
2852         (u8path): Reorder definitions and fix Windows implementation.
2853         (path::is_absolute()): Define inline and fix for Windows.
2854         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2855         Define POSIX version inline.
2856         (path::_M_append(path)): Define inline.
2857         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
2858         definition out of class body.
2859         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
2860         escape characters.
2861         (operator>>(basic_istream, path&)): Likewise.
2862         (path::is_absolute()): Define inline and fix for Windows.
2863         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
2864         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
2865         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
2866         Define as adaptors for Windows functions/types or as
2867         using-declarations for POSIX functions/types.
2868         (_Dir_base, get_file_type): Qualify names to use declarations from
2869         __gnu_posix namespace.
2870         (_Dir_base::is_dor_or_dotdot): New helper functions.
2871         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
2872         names to use declarations from __gnu_posix namespace.
2873         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
2874         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
2875         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
2876         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
2877         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
2878         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
2879         Define as adaptors for Windows functions/types or as
2880         using-declarations for POSIX functions/types.
2881         (stat_type, do_copy_file): Qualify names to use declarations from
2882         __gnu_posix namespace.
2883         (do_space): Declare new function.
2884         (make_file_type): Only use S_ISLNK if defined.
2885         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
2886         path::value_type not char.
2887         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2888         names to use declarations from __gnu_posix namespace.
2889         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2890         add implementation for Windows.
2891         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2892         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2893         [!_PC_PATH_MAX]: Don't use pathconf.
2894         [PATH_MAX]: Use if defined.
2895         (filesystem::current_path(const path&, error_code&))
2896         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2897         (filesystem::last_write_time, filesystem::permissions): Use names
2898         from __gnu_posix.
2899         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2900         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2901         implementation for Windows.
2902         (filesystem::rename, filesystem::resize_file): Use names from
2903         __gnu_posix.
2904         (filesystem::space): Use do_space.
2905         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
2906         (filesystem::status, filesystem::symlink_status): Use names from
2907         __gnu_posix.
2908         (filesystem::temp_directory_path): Add implementation for Windows.
2909         * src/filesystem/path.cc (dot): Define constant.
2910         (path::replace_extension): Use dot.
2911         (path::_M_find_extension): Likewise. Use path::string_type not
2912         std::string.
2913         (path::_M_split_cmpts): Use dot.
2914         (filesystem_error::_M_get_what): Use u8string() not native().
2915         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
2916         Qualify names to use declarations from __gnu_posix namespace.
2917         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
2918         correct error_code.
2919         (filesystem::absolute(const path&, error_code&)): Add implementation
2920         for Windows.
2921         (char_ptr, filesystem::canonical): Use path::value_type not char.
2922         (do_copy_file): Use names from __gnu_posix.
2923         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
2924         sendfile.
2925         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2926         names to use declarations from __gnu_posix namespace.
2927         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2928         add implementation for Windows.
2929         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2930         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2931         [!_PC_PATH_MAX]: Don't use pathconf.
2932         [PATH_MAX]: Use if defined.
2933         (filesystem::current_path(const path&, error_code&))
2934         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2935         (filesystem::last_write_time, filesystem::permissions): Use names
2936         from __gnu_posix.
2937         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2938         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2939         implementation for Windows.
2940         (filesystem::rename, filesystem::resize_file): Use names from
2941         __gnu_posix.
2942         (do_space): Define.
2943         (filesystem::space): Use do_space.
2944         (filesystem::status, filesystem::symlink_status): Use names from
2945         __gnu_posix.
2946         (filesystem::temp_directory_path): Add implementation for Windows.
2947         * src/filesystem/std-path.cc
2948         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2949         Define for Windows.
2950         (dot): Define constant.
2951         (path::replace_extension, is_dot): Use dot.
2952         (path::lexically_normal): Check _M_type instead of calling
2953         non-existent function.
2954         (path::_M_find_extension): Use dot. Use path::string_type not
2955         std::string.
2956         (path::_M_split_cmpts): Use dot.
2957         (filesystem_error::_M_get_what): Use u8string() not native().
2958         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
2959         use symlinks.
2960         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2961         Likewise.
2962         * testsuite/27_io/filesystem/operations/absolute.cc: Use
2963         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
2964         * testsuite/27_io/filesystem/operations/canonical.cc: Use
2965         path::string() to get narrow string, not path::native().
2966         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
2967         with std::filesystem::path not std::basic_string.
2968         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
2969         * testsuite/27_io/filesystem/operations/exists.cc: Use
2970         __gnu_test::root_path() instead of "/".
2971         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
2972         fstreams with std::filesystem::path not std::basic_string.
2973         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
2974         path::string() to get narrow string.
2975         * testsuite/27_io/filesystem/operations/space.cc: Check results for
2976         errors, expect sensible values otherwise.
2977         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
2978         helpers for adjusting the environment on Windows.
2979         * testsuite/27_io/filesystem/path/append/path.cc: Test
2980         Windows-specific behaviour.
2981         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
2982         of path::string_type objects.
2983         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
2984         string to wide string on Windows.
2985         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
2986         for backslash as root-directory.
2987         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
2988         path::string() to get narrow string.
2989         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
2990         paths.
2991         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
2992         not std::string.
2993         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
2994         different definintion of absolute paths on Windows.
2995         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
2996         Do not use symlinks.
2997         * testsuite/experimental/filesystem/operations/absolute.cc: Test
2998         Windows behaviour.
2999         * testsuite/experimental/filesystem/operations/copy.cc: Construct
3000         fstreams with NTCTS not std::basic_string.
3001         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3002         * testsuite/experimental/filesystem/operations/exists.cc: Use
3003         __gnu_test::root_path() instead of "/".
3004         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
3005         fstreams with NTCTS not std::basic_string.
3006         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3007         Use path::string() to get narrow string.
3008         * testsuite/experimental/filesystem/operations/space.cc: Use
3009         __gnu_test::root_path() instead of "/".
3010         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3011         Add helpers for adjusting the environment on Windows.
3012         * testsuite/experimental/filesystem/path/append/path.cc: Use
3013         path::string() to get narrow strings for comparisons.
3014         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3015         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3016         Likewise.
3017         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3018         * testsuite/experimental/filesystem/path/native/string.cc: Use
3019         string_type not std::string.
3020         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
3021         Adjust for different definintion of absolute paths on Windows.
3022         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
3023         function.
3024         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
3025         std::basic_string.
3026
3027 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
3028
3029         PR libstdc++/85951
3030         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
3031         uint_least16_t and uint_least32_t.
3032         (__make_unsigned<wchar_t>): Define unconditionally.
3033         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
3034         typedefs.
3035         (__make_unsigned_selector_base): New type to provide helper templates.
3036         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
3037         __make_unsigned_selector_base helpers.
3038         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
3039         (__make_signed_selector<_Tp, true, false>): Remove intermediate
3040         typedefs.
3041         (__make_signed<wchar_t>, __make_signed<char16_t>)
3042         (__make_signed<char32_t>)): Define unconditionally.
3043         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
3044         wchar_t, char16_t and char32_t are transformed correctly.
3045         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
3046         dg-error lineno.
3047         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
3048         wchar_t, char16_t and char32_t are transformed correctly.
3049         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
3050         dg-error lineno.
3051
3052 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
3053
3054         * include/std/variant (__erased_dtor): Qualify call to __get.
3055
3056 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
3057
3058         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
3059         (_Rb_tree(const allocator_type&)): Use latter.
3060         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
3061         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
3062         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3063         * include/bits/stl_multimap.h
3064         (multimap(const allocator_type&)): Likewise.
3065         (multimap(initializer_list<value_type>, const allocator_type&)):
3066         Likewise.
3067         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
3068         Likewise.
3069         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
3070         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
3071         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3072         * include/bits/stl_multiset.h
3073         (multiset(const allocator_type&)): Likewise.
3074         (multiset(initializer_list<value_type>, const allocator_type&)):
3075         Likewise.
3076         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
3077         Likewise.
3078
3079 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
3080
3081         PR libstdc++/85768
3082         * src/c++11/debug.cc: Remove backtrace usage.
3083
3084 2018-05-24  Maya Rashish  <coypu@sdf.org>
3085
3086         PR target/85904
3087         * crossconfig.m4: Test for aligned_alloc on netbsd.
3088         * configure: Regenerate.
3089
3090 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3091
3092         PR libstdc++/69769
3093         PR libstdc++/85886
3094         * include/bits/atomic_base.h (__atomic_base::value_type)
3095         (__atomic_base::difference_type): Add new typedefs.
3096         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
3097         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
3098         (atomic<T*>::operator++, atomic<T*>::operator--)
3099         (atomic<T*>::operator+=, atomic<T*>::operator-=)
3100         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
3101         to enforce C++17 requirement on pointer arithmetic.
3102         (__atomic_val_t, __atomic_diff_t): New alias templates.
3103         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
3104         (atomic_compare_exchange_weak_explicit)
3105         (atomic_compare_exchange_strong_explicit, atomic_store)
3106         (atomic_exchange, atomic_compare_exchange_weak)
3107         (atomic_compare_exchange_strong): Use __atomic_val_t to make
3108         scalar parameters be non-deduced contexts.
3109         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3110         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
3111         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
3112         parameters.
3113         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
3114         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
3115         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
3116         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3117         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
3118         address types.
3119         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
3120         * testsuite/29_atomics/atomic/69769.cc: New test.
3121         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
3122         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
3123         Disable test for C++17 and later.
3124         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
3125         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
3126         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
3127         test.
3128
3129 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
3130
3131         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
3132         template to alias template.
3133         (path::__value_type_is_char): Use remove_const_t.
3134         (path:_S_string_from_iter): New helper function.
3135         (path::_S_convert(InputIter, __null_terminated))
3136         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3137         Use _S_string_from_iter.
3138         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
3139         rep for COW strings.
3140         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3141         Change from class template to alias template.
3142         (path::__value_type_is_char): Use remove_const.
3143         (path:_S_string_from_iter): New helper function.
3144         (path::_S_convert(InputIter, __null_terminated))
3145         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3146         Use _S_string_from_iter.
3147         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
3148         wide strings.
3149         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
3150         string equality, not path equivalence.
3151         * testsuite/27_io/filesystem/path/construct/format.cc: Check
3152         construction from std::string and std::wstring and input iterators.
3153         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
3154         construction from iterators.
3155         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
3156         exact string equality, not path equivalence.
3157         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
3158         construction from iterators.
3159
3160         * include/bits/fs_path.h (path::_M_type): Change default member
3161         initializer to _Filename.
3162         (path::begin): Create past-the-end iterator for empty path.
3163         * src/filesystem/std-path.cc (path::remove_filename()): Remove
3164         debugging check.
3165         (path::has_relative_path()): Return false for empty filenames.
3166         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
3167         Fix offset of empty final component.
3168         * testsuite/27_io/filesystem/path/itr/components.cc: New.
3169         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
3170
3171 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3172
3173         Add support for opening file streams from wide character strings.
3174         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
3175         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3176         Define new overload.
3177         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
3178         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3179         Declare new overload.
3180         * configure.ac: Check for _wfopen.
3181         * crossconfig.m4: Likewise.
3182         * configure: Regenerate.
3183         * config.h.in: Regenerate.
3184         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
3185         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3186         Define new overload.
3187         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
3188         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3189         Declare new overload.
3190         [_GLIBCXX_HAVE__WFOPEN]
3191         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3192         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
3193         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3194         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
3195         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3196         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
3197         new overloads.
3198         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
3199         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
3200         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
3201         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
3202         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
3203         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
3204         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
3205
3206 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
3207
3208         PR libstdc++/85845
3209         * include/bits/stl_tree.h
3210         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
3211         qualification.
3212
3213 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3214
3215         * src/filesystem/std-ops.cc (absolute): Report an error for empty
3216         paths.
3217         (weakly_canonical(const path&)): Do not call canonical on empty path.
3218         (weakly_canonical(const path&, error_code&)): Likewise.
3219         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
3220
3221         PR libstdc++/85818
3222         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
3223         dg-require-filesystem-ts.
3224
3225         PR libstdc++/85843
3226         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
3227         initialize base class to avoid warnings.
3228
3229 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
3230
3231         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
3232         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
3233         little_endian element in bitmask.
3234         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
3235         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
3236
3237 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
3238
3239         * include/bits/stl_tree.h
3240         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
3241         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
3242         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
3243         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
3244         * include/debug/map.h
3245         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
3246         * include/debug/multimap.h
3247         (multimap(multimap&&, const_allocator_type&)): Likewise.
3248         * include/debug/set.h
3249         (set(set&&, const_allocator_type&)): Likewise.
3250         * include/debug/multiset.h
3251         (multiset(multiset&&, const_allocator_type&)): Likewise.
3252         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
3253         Add checks.
3254         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
3255         Add checks.
3256         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
3257         Add checks.
3258         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
3259         Add checks.
3260         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
3261         Add checks.
3262         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
3263         Add checks.
3264         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
3265         Add checks.
3266         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
3267         Add checks.
3268
3269 2018-05-18  Jason Merrill  <jason@redhat.com>
3270
3271         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
3272         for conversion to const_iterator.  Add defaulted copy ops.
3273         * libsupc++/new (bad_alloc): Add defaulted copy ops.
3274         * libsupc++/exception.h (exception): Add defaulted copy ops.
3275         * include/std/system_error (system_error): Add defaulted copy ops.
3276         * include/std/stdexcept (domain_error, invalid_argument)
3277         (length_error, out_of_range, range_error, overflow_error)
3278         (underflow_error): Add defaulted copy ops.
3279         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
3280         copy assignment.
3281         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
3282         * include/ext/throw_allocator.h (condition_base): Add defaulted
3283         default and copy ctor and copy assignment.
3284
3285 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
3286
3287         PR libstdc++/85098
3288         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
3289         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
3290         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
3291         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
3292         definitions.
3293         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
3294         whitespace.
3295         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
3296         braces around body of do-while.
3297         * testsuite/28_regex/basic_regex/85098.cc: New
3298
3299 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
3300
3301         PR libstdc++/85818
3302         * src/filesystem/path.cc (path::preferred_separator): Add used
3303         attribute.
3304         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
3305
3306         PR libstdc++/85812
3307         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
3308         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
3309         Refactor to separate non-throwing and throwing implementations.
3310         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
3311         if constructing the object throws.
3312
3313 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
3314
3315         PR libstdc++/85749
3316         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
3317         (linear_congruential_engine, mersenne_twister_engine)
3318         (subtract_with_carry_engine, discard_block_engine)
3319         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
3320         constrain function templates taking seed sequences.
3321         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
3322         (mersenne_twister_engine::seed(_Sseq&))
3323         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
3324         match declarations.
3325         * include/ext/random (simd_fast_mersenne_twister_engine): Use
3326         __is_seed_seq to constrain function templates taking seed sequences.
3327         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
3328         Change return type to match declaration.
3329         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
3330         New.
3331         * testsuite/26_numerics/random/independent_bits_engine/cons/
3332         seed_seq2.cc: New.
3333         * testsuite/26_numerics/random/linear_congruential_engine/cons/
3334         seed_seq2.cc: New.
3335         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
3336         seed_seq2.cc: New.
3337         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
3338         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
3339         New.
3340         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
3341         seed_seq2.cc: New.
3342         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
3343         seed_seq2.cc: New.
3344
3345         PR libstdc++/83891
3346         * include/bits/fs_path.h (path::is_absolute()): Use same definition
3347         for all operating systems.
3348         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
3349         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
3350         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
3351         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
3352
3353         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
3354         unused <vector> header.
3355         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3356         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3357         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3358         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3359         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
3360         Likewise.
3361         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3362         Likewise.
3363         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3364         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3365         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3366         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3367         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3368         Likewise.
3369         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3370         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3371         Likewise.
3372         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3373         Likewise.
3374         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3375         Likewise.
3376         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3377         Likewise.
3378         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3379         Likewise.
3380         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3381         Likewise.
3382         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3383         Likewise.
3384         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3385         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3386         Likewise.
3387
3388         PR libstdc++/84159
3389         * include/bits/fs_path.h (path::operator/=, path::append): Construct
3390         temporary path before calling _M_append.
3391         (path::_M_append): Change parameter to path and implement C++17
3392         semantics.
3393         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
3394         and more examples from the standard.
3395         * testsuite/27_io/filesystem/path/append/source.cc: New.
3396         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
3397         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
3398
3399         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
3400         __invoke to prevent ADL.
3401
3402 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
3403
3404         PR libstdc++/81256
3405         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
3406         exceptions from _M_terminate_output().
3407         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
3408         exceptions from close().
3409         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
3410
3411         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
3412         (__valarray_get_storage): Call operator new directly. Remove ignored
3413         top-level restrict qualifier and add malloc attribute instead.
3414         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
3415
3416         PR libstdc++/67554
3417         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
3418         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
3419
3420         PR libstdc++/82966
3421         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
3422         instead of type.
3423         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
3424
3425 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3426
3427         PR libstdc++/80165
3428         * testsuite/20_util/variant/80165.cc: New.
3429
3430 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3431
3432         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
3433         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
3434         of C++11 containers with Debug Mode support.
3435         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
3436         * doc/html/*: Regenerate.
3437
3438 2018-05-10  Jason Merrill  <jason@redhat.com>
3439
3440         * include/bits/regex_compiler.h (_S_cache_size): Change from
3441         function to variable.
3442
3443 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
3444
3445         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
3446         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
3447         argument defaulted to +1.  Doxy comments on same.
3448         * testsuite/special_functions/02_assoc_legendre/
3449         check_value.cc: Regen.
3450         * testsuite/tr1/5_numerical_facilities/special_functions/
3451         02_assoc_legendre/check_value.cc: Regen.
3452
3453 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3454
3455         PR libstdc++/85729
3456         * include/bits/c++config.h (__replacement_assert): Add linkage
3457         specification.
3458         * include/bits/std_abs.h: Add comment to closing brace of block.
3459         * include/c_global/cstddef: Add linkage specification.
3460         * include/c_global/cstring: Likewise.
3461         * include/c_global/cwchar: Likewise.
3462
3463 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
3464
3465         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
3466         Rename in...
3467         (_Safe_iterator<>::_S_constant()): ...that.
3468         * include/debug/safe_local_iterator.h
3469         (_Safe_local_iterator<>::_M_constant()): Rename in...
3470         (_Safe_local_iterator<>::_S_constant()): ...that.
3471         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
3472         (_Iterator_state::__rbegin): New.
3473         (_Iterator_state::__rmiddle): New.
3474         (_Iterator_state::__rend): New.
3475         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
3476         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
3477         iterator type.
3478         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
3479         _Is_iterator)): Likewise.
3480         (_Parameter::_S_reverse_state(_Iterator_state)): New.
3481         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
3482         _Is_iterator)): New.
3483         (_Parameter(std::reverse_iterator<> const&, const char*,
3484         _Is_iterator)): New.
3485         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
3486         const char*, _Is_iterator)): New.
3487         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
3488         New.
3489         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
3490         _Is_iterator)): New.
3491         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
3492         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
3493         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
3494
3495 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
3496
3497         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
3498         Use constexpr if in C++17 mode.
3499         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
3500         Copy from const object.
3501         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
3502
3503 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
3504
3505         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
3506         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
3507         backtrace.
3508
3509         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
3510         * include/debug/functions.h (__check_valid_range): Use latter.
3511         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
3512         use latter.
3513         * include/debug/deque
3514         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3515         * include/debug/forward_list
3516         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
3517         Likewise.
3518         * include/debug/list
3519         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3520         * include/debug/list
3521         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3522         * include/debug/map.h
3523         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3524         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3525         Likewise.
3526         * include/debug/multimap.h
3527         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3528         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
3529         const _Alloc&)): Likewise.
3530         * include/debug/set.h
3531         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3532         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3533         Likewise.
3534         * include/debug/multiset.h
3535         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3536         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
3537         const _Alloc&)): Likewise.
3538         * include/debug/string
3539         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
3540         Likewise.
3541         * include/debug/unordered_map
3542         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
3543         Likewise.
3544         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
3545         const _Alloc&)): Likewise.
3546         * include/debug/unordered_set
3547         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
3548         Likewise.
3549         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
3550         const _Alloc&)): Likewise.
3551         * include/debug/vector
3552         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3553
3554         * include/debug/formatter.h (_Error_formatter::_M_function): New.
3555         (_Error_formatter(const char*, unsigned int)): Adapt.
3556         (_Error_formatter::_M_at): Rename in...
3557         (_Error_formatter::_S_at): ...that and adapt.
3558         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
3559         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
3560         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
3561         when available.
3562
3563 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
3564
3565         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
3566         Use normal std::vector even in Debug Mode.
3567
3568         PR libstdc++/85672
3569         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
3570         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
3571         * include/Makefile.in: Regenerate.
3572         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
3573         within conditional block.
3574
3575 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
3576
3577         * doc/xml/manual/using.xml (table.cmd_options): Document that the
3578         C++17 Filesystem implementation also needs -lstdc++fs.
3579
3580         PR libstdc++/85671
3581         * include/bits/fs_path.h (operator/): Permit copy elision.
3582         * include/experimental/bits/fs_path.h (operator/): Likewise.
3583
3584 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
3585
3586         Moar PR libstdc++/80506
3587         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
3588         Fix magic number used in loop condition.
3589
3590 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
3591
3592         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
3593         * include/std/optional (_Optional_payload): Add noexcept to default
3594         constructor. Re-indent.
3595         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
3596         constructor for copying disengaged payloads.
3597         (_Optional_payload<_Tp, true, false, true>): Likewise.
3598         (_Optional_payload<_Tp, true, true, false>): Likewise.
3599         (_Optional_payload<_Tp, true, false, false>): Likewise.
3600         * testsuite/20_util/optional/cons/85642.cc: New.
3601         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
3602
3603 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
3604
3605         PR libstdc++/82644
3606         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
3607         inline definitions instead of using-declarations.
3608         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
3609         * testsuite/tr1/5_numerical_facilities/special_functions/
3610         07_conf_hyperg/compile_cxx17.cc: New.
3611         * testsuite/tr1/5_numerical_facilities/special_functions/
3612         17_hyperg/compile_cxx17.cc: New.
3613
3614         PR libstdc++/84769
3615         * include/std/variant (visit): Qualify std::get call.
3616
3617         PR libstdc++/85632 use uintmax_t for arithmetic
3618         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
3619         arithmetic in result type.
3620         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
3621         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
3622         is greater than free space.
3623         * testsuite/experimental/filesystem/operations/space.cc: New.
3624
3625         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
3626         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
3627         New.
3628         * testsuite/20_util/remove_cvref/value.cc: New.
3629         * testsuite/20_util/remove_cvref/value_ext.cc: New.
3630
3631         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
3632         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
3633         (append(const basic_string&, size_type, size_type)
3634         (assign(const basic_string&, size_type, size_type)
3635         (insert(size_type, const basic_string&, size_type, size_type)
3636         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3637         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3638         Add default arguments (LWG 2268).
3639         [_GLIBCXX_USE_CXX11_ABI=0]
3640         (append(const basic_string&, size_type, size_type)
3641         (assign(const basic_string&, size_type, size_type)
3642         (insert(size_type, const basic_string&, size_type, size_type)
3643         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3644         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3645         Likewise.
3646         * testsuite/21_strings/basic_string/dr2268.cc: New test.
3647
3648         PR libstdc++/84535
3649         * include/std/thread (thread::__not_same): New SFINAE helper.
3650         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
3651         first argument is not a std::thread. Add static assertion to check
3652         INVOKE expression is valid.
3653         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
3654         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
3655         __invoke_result for return types and remove exception specifications.
3656         * testsuite/30_threads/thread/cons/84535.cc: New.
3657
3658         * include/std/future (__async_result_of): Use __invoke_result instead
3659         of result_of.
3660
3661         * include/std/any (any_cast): Use __remove_cvref_t.
3662         * include/std/tuple (__make_tuple): Likewise.
3663         * include/std/type_traits (__remove_cvref_t): Define.
3664         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
3665         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
3666         * include/std/variant (__erased_hash): Use __remove_cvref_t.
3667
3668 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
3669
3670         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
3671         ensure overloaded comma not used.
3672         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
3673         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
3674         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
3675         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
3676         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
3677         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
3678         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
3679
3680 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
3681
3682         PR libstdc++/68197
3683         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
3684         indices to unsigned.
3685         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
3686         as failure. Refactor error handling.
3687         * testsuite/27_io/ios_base/storage/68197.cc: New.
3688
3689         PR libstdc++/57997
3690         PR libstdc++/83860
3691         * include/bits/gslice_array.h (gslice_array): Define default
3692         constructor as deleted, as per C++11 standard.
3693         * include/bits/mask_array.h (mask_array): Likewise.
3694         * include/bits/slice_array.h (slice_array): Likewise.
3695         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
3696         to namespace __detail.
3697         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
3698         members.
3699         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
3700         of data members in closure objects.
3701         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
3702         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
3703         __detail.
3704         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
3705         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
3706         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
3707         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
3708         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
3709         using-declarations to namespace std.
3710         * testsuite/26_numerics/valarray/83860.cc: New.
3711
3712         * testsuite/backward/strstream_move.cc: Remove duplicate function
3713         call.
3714
3715         PR libstdc++/69608
3716         * include/backward/strstream (strstreambuf): Define move constructor
3717         and move assignment operator.
3718         (istrstream, ostrstream, strstream): Likewise.
3719         * testsuite/backward/strstream_move.cc: New.
3720
3721 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
3722
3723         PR libstdc++/84654
3724         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
3725         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
3726         * configure: Regenerate.
3727         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
3728         based on ENABLE_FLOAT128.
3729         * include/Makefile.in: Regenerate.
3730         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
3731         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
3732         _GLIBCXX_USE_FLOAT128.
3733
3734 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3735
3736         * configure: Regenerated.
3737
3738 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
3739
3740         * configure: Regenerated.
3741
3742 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3743             Jakub Jelinek  <jakub@redhat.com>
3744
3745         PR libstdc++/85442
3746         * src/c++11/Makefile.am: Don't generate debuginfo again for
3747         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
3748         * src/c++11/Makefile.in: Regenerate.
3749
3750 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3751
3752         PR libstdc++/84442
3753         * testsuite/30_threads/thread/cons/terminate.cc
3754         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
3755
3756 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
3757
3758         PR jit/85384
3759         * configure: Regenerate.
3760
3761 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
3762
3763         * testsuite/experimental/filesystem/file_status/1.cc: Add
3764         -DUSE_FILESYSTEM_TS to dg-options.
3765         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3766         Likewise.
3767         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
3768         * testsuite/experimental/filesystem/iterators/
3769         recursive_directory_iterator.cc: Likewise.
3770         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
3771         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3772         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3773         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3774         * testsuite/experimental/filesystem/operations/create_directories.cc:
3775         Likewise.
3776         * testsuite/experimental/filesystem/operations/create_directory.cc:
3777         Likewise.
3778         * testsuite/experimental/filesystem/operations/create_symlink.cc:
3779         Likewise.
3780         * testsuite/experimental/filesystem/operations/current_path.cc:
3781         Likewise.
3782         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
3783         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3784         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
3785         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3786         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3787         Likewise.
3788         * testsuite/experimental/filesystem/operations/permissions.cc:
3789         Likewise.
3790         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3791         Likewise.
3792         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3793         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
3794         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
3795         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3796         Likewise.
3797         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
3798         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
3799         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
3800         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
3801         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
3802         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
3803         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3804         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
3805         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
3806         * testsuite/experimental/filesystem/path/construct/default.cc:
3807         Likewise.
3808         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
3809         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
3810         * testsuite/experimental/filesystem/path/construct/string_view.cc:
3811         Likewise.
3812         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3813         Likewise.
3814         * testsuite/experimental/filesystem/path/decompose/filename.cc:
3815         Likewise.
3816         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
3817         Likewise.
3818         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
3819         Likewise.
3820         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3821         Likewise.
3822         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
3823         Likewise.
3824         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
3825         Likewise.
3826         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3827         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
3828         Likewise.
3829         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
3830         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
3831         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
3832         Likewise.
3833         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
3834         Likewise.
3835         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
3836         Likewise.
3837         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
3838         Likewise.
3839         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
3840         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
3841         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
3842         Likewise.
3843         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3844         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3845         Likewise.
3846         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3847         Likewise.
3848         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3849         Likewise.
3850         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3851         Likewise.
3852         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3853         Likewise.
3854         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3855         Likewise.
3856         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3857         Likewise.
3858         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3859         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3860         Likewise.
3861
3862 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
3863
3864         * src/c++11/Makefile.am: Fix sed command.
3865         * src/c++11/Makefile.in: Regenerate.
3866
3867         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
3868         handle mangled names starting with double underscores on darwin.
3869         * src/c++11/Makefile.in: Regenerate.
3870
3871 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
3872
3873         * src/c++11/Makefile.am: Fix comment.
3874         * src/c++11/Makefile.in: Regenerate.
3875         * src/c++11/cxx11-ios_failure.cc: Fix comment.
3876         * src/c++98/ios_failure.cc: Likewise.
3877
3878         * src/c++11/ios.cc: Remove redundant macro definition.
3879
3880 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
3881
3882         * doc/xml/manual/abi.xml: Document header locations in recent
3883         releases.
3884         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
3885         * doc/xml/manual/spine.xml: Update copyright years.
3886         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
3887         undefined behaviour.
3888         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
3889         * doc/html/*: Regenerate.
3890
3891 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
3892
3893         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
3894         * doc/xml/manual/backwards_compatibility.xml: Likewise.
3895         * doc/xml/manual/containers.xml: Likewise.
3896         * doc/xml/manual/debug_mode.xml: Likewise.
3897         * doc/xml/manual/extensions.xml: Likewise.
3898         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
3899         * doc/xml/manual/using.xml: Likewise.
3900         * doc/xml/manual/utilities.xml: Likewise.
3901
3902         PR libstdc++/85222
3903         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
3904         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
3905         * src/c++11/Makefile.in: Regenerate.
3906         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
3907         New types.
3908         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3909         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
3910         * src/c++98/ios_failure.cc (__construct_ios_failure)
3911         (__destroy_ios_failure, is_ios_failure_handler): New functions.
3912         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3913         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
3914         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
3915         handler types, to always catch std::ios_base::failure.
3916         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3917         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3918         exceptions_failbit.cc: Likewise.
3919         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3920         exceptions_failbit.cc: Likewise.
3921         * testsuite/27_io/basic_istream/extractors_other/char/
3922         exceptions_null.cc: Likewise.
3923         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3924         exceptions_null.cc: Likewise.
3925         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3926         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3927         * testsuite/27_io/basic_ostream/inserters_other/char/
3928         exceptions_null.cc: Likewise.
3929         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3930         exceptions_null.cc: Likewise.
3931         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3932
3933 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
3934
3935         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
3936         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
3937
3938 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
3939
3940         PR libstdc++/85183
3941         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
3942         value categories.
3943         * testsuite/20_util/variant/85183.cc: New.
3944
3945 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
3946
3947         * include/std/variant (__get): Qualify calls to avoid ADL.
3948         (__select_index): Adjust whitespace.
3949         (variant): Add using-declaration to workaround Clang bug.
3950
3951 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
3952
3953         PR libstdc++/85040
3954         * include/bits/stl_function.h (greater::__not_overloaded)
3955         (less::__not_overloaded, greater_equal::__not_overloaded)
3956         (less_equal::__not_overloaded): Fix ambiguous specializations.
3957         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
3958         tests for type with overloaded operators.
3959
3960 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3961
3962         PR libstdc++/77691
3963         * testsuite/experimental/memory_resource/resource_adaptor.cc:
3964         xfail execution on 32-bit Solaris/x86.
3965
3966 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
3967
3968         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
3969         VERIFY instead of assert.
3970         * testsuite/20_util/hash/84998.cc: New test.
3971         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
3972         copy of test adjusted for Debug Mode.
3973         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
3974         test in Debug Mode.
3975
3976 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
3977
3978         PR libstdc++/84998
3979         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
3980         * include/std/bitset: Likewise.
3981         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
3982         declaration.
3983         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
3984         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
3985         * include/bits/stl_set.h (std::set<>): Likewise.
3986         * include/bits/unordered_map.h (std::unordered_map<>): Fix
3987         _Hash_merge_helper friend declaration.
3988         (std::unordered_multimap<>): Likewise.
3989         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
3990         (std::unordered_multiset<>): Likewise.
3991
3992 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
3993
3994         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
3995         trailing slash for domain level link.
3996         * doc/xml/faq.xml: Ditto.
3997         * doc/xml/manual/appendix_free.xml (software): Ditto.
3998         * doc/xml/manual/intro.xml: Ditto.
3999         * doc/xml/manual/spine.xml: Ditto.
4000         * doc/xml/spine.xml: Ditto.
4001
4002 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4003
4004         * doc/xml/manual/documentation_hacking.xml: Adjust link to
4005         docbook.org.
4006
4007 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
4008
4009         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
4010         to compile as C++98.
4011
4012 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
4013
4014         PR libstdc++/78420
4015         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
4016         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
4017         to ensure total order for pointers.
4018         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
4019         Add operator() overloads for pointer arguments and make generic
4020         overloads dispatch to new _S_cmp functions when comparisons would
4021         use built-in operators for pointers.
4022         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
4023
4024 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
4025
4026         PR libstdc++/84773
4027         PR libstdc++/83662
4028         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
4029         * configure: Regenerate.
4030         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
4031         (aligned_alloc): Add using-declaration.
4032         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
4033
4034 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
4035
4036         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
4037         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
4038         registration.
4039
4040 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
4041
4042         PR libstdc++/84769
4043         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
4044         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
4045
4046         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
4047         src/filesystem/std-ops.cc (create_dir): Likewise.
4048
4049 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
4050
4051         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
4052         (StdListIteratorPrinter): Inherit from latter.
4053         (StdFwdListIteratorPrinter): New, inherit from latter.
4054         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
4055         when iterator has no associated container.
4056         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
4057         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
4058         registrations.
4059         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
4060         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
4061
4062 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
4063
4064         PR libstdc++/84601
4065         * include/std/optional (_Optional_payload): Split into multiple
4066         specializations that can handle different cases of trivial or
4067         non-trivial assignment operators.
4068         * testsuite/20_util/optional/84601.cc: New.
4069         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4070
4071 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
4072
4073         PR libstdc++/84671
4074         * include/bits/parse_numbers.h (_Number_help): Add partial
4075         specialization to handle digit separators. Adjust partial
4076         specialization for recursion temrination to require _Pow == 1ULL.
4077         * testsuite/20_util/duration/literals/84671.cc: New
4078
4079 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
4080
4081         Implement the missing bits of LWG 2769
4082         * include/std/any (any_cast(const any&)): Add static_assert.
4083         (any_cast(any&)): Likewise.
4084         (any_cast(any&&)): Likewise, and remove the handling
4085         for copyable-but-not-movable type.
4086         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
4087         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
4088         add new tests.
4089
4090 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
4091
4092         PR libstdc++/84532
4093         * include/std/thread (thread::__make_invoker): Construct tuple
4094         directly instead of using make_tuple.
4095         * testsuite/30_threads/async/84532.cc: New.
4096         * testsuite/30_threads/thread/84532.cc: New.
4097
4098 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
4099
4100         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
4101         (template<> __aligned_buffer): Define as __aligned_membuf alias.
4102
4103 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4104
4105         PR target/84148
4106         * configure: Regenerate.
4107
4108 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
4109
4110         PR libstdc++/81797
4111         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
4112         * configure: Regenerate.
4113         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
4114         defined.
4115         * include/Makefile.in: Regenerate.
4116
4117 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
4118
4119         PR libstdc++/83833
4120         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
4121         Add -ffloat-store to options for m68k and ia32.
4122
4123         * doc/xml/faq.xml: Update copyright years.
4124         * doc/html/*: Regenerate.
4125
4126         PR libstdc++/83658
4127         * include/std/any (any::__do_emplace): Only set _M_manager after
4128         constructing the contained object.
4129         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
4130         * testsuite/20_util/any/modifiers/83658.cc: New test.
4131
4132 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
4133
4134         PR libstdc++/81076
4135         * include/c_global/cstddef (__byte_operand): Define primary template.
4136         * testsuite/18_support/byte/81076.cc: New test.
4137
4138 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
4139
4140         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
4141         dg-options and dg-add-options order.
4142         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
4143         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
4144         Likewise.
4145         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
4146         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
4147         Likewise.
4148         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
4149         Likewise.
4150         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
4151         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
4152         Likewise.
4153         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
4154         Likewise.
4155         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
4156         Likewise.
4157         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
4158         Likewise.
4159         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
4160         Likewise.
4161         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
4162         Likewise.
4163         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
4164         Likewise.
4165         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
4166         Likewise.
4167         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
4168         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
4169         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
4170         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
4171         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
4172         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
4173         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
4174         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
4175         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
4176         Likewise.
4177         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
4178         Likewise.
4179         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
4180         Likewise.
4181         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
4182         Likewise.
4183
4184 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
4185
4186         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
4187         include linux/types.h when checking linux/random.h header.
4188         * config.h.in: Regenerate.
4189         * configure: Ditto.
4190         * src/c++11/random.cc: Conditionally include linux/types.h.
4191
4192 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
4193
4194         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
4195
4196 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
4197
4198         PR libstdc++/83834
4199         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
4200         pattern with exact match for std::cerr.
4201
4202 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4203
4204         PR libstdc++/83833
4205         * include/bits/random.h (chi_squared_distribution::param): Update
4206         gamma distribution parameter.
4207         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
4208         test.
4209
4210         PR libstdc++/83830
4211         * include/std/type_traits (has_unique_object_representations_v): Add
4212         variable template.
4213         * testsuite/20_util/has_unique_object_representations/value.cc: Check
4214         variable template.
4215
4216 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
4217
4218         Make optional conditionally
4219         trivially_{copy,move}_{constructible,assignable}
4220         * include/std/optional (_Optional_payload): Fix the comment in
4221         the class head and turn into a primary and one specialization.
4222         (_Optional_payload::_M_engaged): Strike the NSDMI.
4223         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
4224         New.
4225         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
4226         Likewise.
4227         (_Optional_payload<_Tp, false>::_M_get): Likewise.
4228         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
4229         (_Optional_base_impl): Likewise.
4230         (_Optional_base): Turn into a primary and three specializations.
4231         (optional(nullopt)): Change the base init.
4232         * testsuite/20_util/optional/assignment/8.cc: New.
4233         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
4234         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4235
4236 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4237
4238         PR libstdc++/80276
4239         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
4240         (get_template_arg_list): New.
4241         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
4242         instead.
4243         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
4244         of strings and regular expressions.
4245         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
4246         (FilteringTypePrinter): Add docstring. Match using startswith. Use
4247         strip_inline_namespaces instead of strip_versioned_namespace.
4248         (add_one_type_printer): Prepend namespace to match argument.
4249         (register_type_printers): Add type printers for char16_t and char32_t
4250         string types and for types using cxx11 ABI. Update calls to
4251         add_one_template_type_printer to provide default argument dicts.
4252         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
4253         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
4254         basic_string<unsigned char> and basic_string<signed char>.
4255         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
4256         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
4257
4258 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
4259
4260         PR libstdc++/81092
4261         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
4262
4263 2018-01-13  Tim Shen  <timshen@google.com>
4264
4265         PR libstdc++/83601
4266         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
4267         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
4268         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
4269
4270 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4271
4272         PR libstdc++/64054
4273         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
4274         Remove dg-xfail-run-if.
4275
4276 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
4277
4278         * include/bits/forward_list.h
4279         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
4280         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
4281         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
4282         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
4283         (_Fwd_list_impl()): Add noexcept qualification.
4284         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
4285         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
4286         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
4287         (_Fwd_list_base()): Default.
4288         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
4289         (_Fwd_list_base(_Fwd_list_base&&)): Default.
4290         (forward_list<>()): Default.
4291         (forward_list<>(forward_list&&)): Default.
4292         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
4293         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
4294         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
4295         * include/bits/forward_list.tcc
4296         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
4297         _M_impl._M_head move assignment.
4298         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
4299         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
4300
4301 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
4302
4303         PR libstdc++/80276
4304         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
4305         (UniquePointerPrinter): Print correct template argument, not type of
4306         the pointer.
4307         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
4308         a type.
4309         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
4310         array type.
4311         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
4312         weak_ptr of array types.
4313
4314 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
4315
4316         PR libstdc++/83709
4317         * include/bits/hashtable_policy.h
4318         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
4319         __first != __last.
4320         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
4321         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
4322         Add false_type parameter.
4323         (_Insert_base::insert): Adapt.
4324         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
4325         Adapt.
4326         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
4327          Add __n_elt parameter, defaulted to 1.
4328         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
4329         policy _M_need_rehash.
4330         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
4331         produce only 1 rehash if necessary.
4332         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
4333         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
4334
4335 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
4336             Jonathan Wakely  <jwakely@redhat.com>
4337
4338         PR libstdc++/59253 (partial)
4339         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
4340         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
4341         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
4342         children.
4343         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
4344         of unique_ptr printer.
4345         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
4346         output of shared_ptr printer.
4347
4348 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
4349
4350         PR libstdc++/83626
4351         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
4352         unnecessary symlink_status call.
4353         (remove_all(const path&, error_code&)): Use filesystem::remove.
4354         * src/filesystem/std-ops.cc: Likewise.
4355
4356         PR libstdc++/83279
4357         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
4358         sendfile.
4359
4360         PR libstdc++/83626
4361         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
4362         report an error for ENOENT.
4363         (remove_all(const path&)): Fix type of result variable.
4364         (remove_all(const path&, error_code&)): Use non-throwing increment
4365         for directory iterator. Call POSIX remove directly to avoid redundant
4366         calls to symlink_status. Do not report errors for ENOENT.
4367         * src/filesystem/std-ops.cc: Likewise.
4368         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
4369         overload.
4370         * testsuite/experimental/filesystem/operations/remove_all.cc:
4371         Likewise.
4372
4373 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
4374
4375         PR libstdc++/83626
4376         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
4377         redundant call to ec.clear().
4378         (remove_all(const path&, error_code&))): Do not return an error for
4379         non-existent paths.
4380         * src/filesystem/std-ops.cc: Likewise.
4381         * testsuite/27_io/filesystem/operations/remove.cc: New test.
4382         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
4383         results for non-existent paths.
4384         * testsuite/experimental/filesystem/operations/remove.cc: New test.
4385         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
4386         expected results for non-existent paths.
4387
4388         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
4389         check status_known once.
4390         * include/experimental/bits/fs_ops.h: Likewise.
4391
4392         PR libstdc++/83607
4393         * include/std/functional (__is_byte_like): New trait.
4394         (__is_std_equal_to): Remove.
4395         (__boyer_moore_base_t): Use __is_byte_like instead of
4396         __is_std_equal_to.
4397         * include/experimental/functional (__is_std_equal_to): Remove.
4398         (__boyer_moore_base_t): Use __is_byte_like instead of
4399         __is_std_equal_to.
4400         * testsuite/20_util/function_objects/83607.cc: New test.
4401
4402 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
4403
4404         Protect optional's deduction guide with the feature macro
4405         * include/std/optional: Use the feature macro.
4406
4407 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4408
4409         Update copyright years.
4410 \f
4411 Copyright (C) 2018 Free Software Foundation, Inc.
4412
4413 Copying and distribution of this file, with or without modification,
4414 are permitted in any medium without royalty provided the copyright
4415 notice and this notice are preserved.