libstdc++-v3/ChangeLog

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