libstdc++-v3/ChangeLog

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