libstdc++-v3/ChangeLog

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