libstdc++-v3/ChangeLog

   1 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
   2
   3         PR libstdc++/87431
   4         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
   5         Avoid runtime test when all alternatives are scalars and so cannot
   6         throw during initialization.
   7
   8 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
   9
  10         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
  11         to https.
  12
  13 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
  14
  15         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
  16         to "Priority Queues and the STL".
  17
  18 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
  19
  20         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
  21         https.
  22
  23 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
  24
  25         PR libstdc++/87135
  26         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
  27         Use __builtin_floor to compute _M_next_resize.
  28         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
  29         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
  30         Adapt.
  31
  32 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
  33
  34         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
  35         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
  36         long double unconditionally, but use lower tolerance when
  37         sizeof(long double) == sizeof(double).
  38
  39 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
  40
  41         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
  42         on arm*.
  43
  44 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
  45
  46         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
  47         Remove __glibcxx_assert statements and use map::find instead of
  48         map::operator[].
  49
  50 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
  51
  52         PR libstdc++/87135
  53         * src/c++11/hashtable_c++0x.cc:
  54         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
  55         requested size, but not necessarily greater.
  56         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
  57         strictly greater than next resize threshold.
  58         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
  59         to validate that there is no rehash as long as number of insertion is
  60         lower or equal to the reserved number of elements.
  61
  62 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
  63
  64         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
  65         checking invocable condition.
  66         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
  67         here, where types must be complete. Pass pointer to deleter as an
  68         rvalue.
  69         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
  70
  71 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
  72
  73         * include/std/variant (variant) [__clang__]: Limit workaround to
  74         Clang 7 and older.
  75
  76 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
  77
  78         PR libstdc++/87278
  79         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
  80         remove_const.
  81         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
  82
  83         Implement LWG 2905 changes to constrain unique_ptr constructors
  84         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
  85         check deleter type.
  86         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
  87         constructible constraint.
  88         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
  89         deleters of reference type and add move constructible constraint.
  90         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
  91         Disable for deleters of non-reference type. Define as deleted.
  92         (unique_ptr<T[], D>): Likewise.
  93         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
  94         directives with unstable line numbers with dg-prune-output.
  95         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
  96         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
  97         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
  98         Make deleter types invocable.
  99
 100 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
 101
 102         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
 103
 104 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
 105
 106         PR libstdc++/78179
 107         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
 108         that runs the long double part of hypot.cc.
 109         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
 110         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
 111
 112         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
 113         Return raw pointer not allocator's pointer type.
 114         (vector::_Temporary_value::_M_val): Use _M_ptr.
 115
 116         PR libstdc++/87194
 117         * include/bits/stl_map.h
 118         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
 119         (map::map(initializer_list<value_type>, const Alloc&))
 120         (map::map(InputIterator, InputIterator, const Alloc&))
 121         (map::map(InputIterator, InputIterator))
 122         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
 123         (map::insert(InputIterator, InputIterator)):
 124         Call _M_insert_range_unique instead of _M_insert_unique.
 125         * include/bits/stl_multimap.h
 126         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
 127         (multimap::multimap(initializer_list<value_type>, const A&))
 128         (multimap::multimap(InputIterator, InputIterator, const A&))
 129         (multimap::multimap(InputIterator, InputIterator))
 130         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
 131         (multimap::insert(InputIterator, InputIterator)): Call
 132         _M_insert_range_equal instead of _M_insert_equal.
 133         * include/bits/stl_multiset.h
 134         (multiset::multiset(InputIterator, InputIterator))
 135         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
 136         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
 137         (multiset::multiset(initializer_list<value_type>, const A&))
 138         (multiset::multiset(InputIterator, InputIterator, const A&))
 139         (multiset::insert(InputIterator, InputIterator)): Call
 140         _M_insert_range_equal instead of _M_insert_equal.
 141         * include/bits/stl_set.h
 142         (set::set(InputIterator, InputIterator))
 143         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
 144         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
 145         (set::set(initializer_list<value_type>, const Alloc&))
 146         (set::set(InputIterator, InputIterator, const Alloc&))
 147         (set::insert(InputIterator, InputIterator)):
 148         Call _M_insert_range_unique instead of _M_insert_unique.
 149         * include/bits/stl_tree.h
 150         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
 151         template for SFINAE constraints.
 152         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
 153         constrained overloads that either insert or emplace, depending on
 154         iterator's value_type.
 155         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
 156         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
 157         (_Rb_tree::_M_insert_range_equal): New functions replacing range
 158         versions of _M_insert_unique and _M_insert_equal.
 159         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
 160         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
 161         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
 162         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
 163         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
 164         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
 165
 166         PR libstdc++/78595
 167         * include/bits/stl_map.h (map::insert(_Pair&&))
 168         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
 169         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
 170         (multimap::insert(const_iterator, _Pair&&)): Likewise.
 171         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
 172         (unordered_map::insert(const_iterator, _Pair&&))
 173         (unordered_multimap::insert(_Pair&&))
 174         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
 175         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
 176         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
 177         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
 178         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
 179         test.
 180
 181 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
 182
 183         * include/debug/safe_iterator.h
 184         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
 185         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
 186         New.
 187         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 188         ::_OtherSelf): New.
 189         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
 190         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
 191         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
 192         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 193         ::operator+(difference_type)): Use latters, inline as friend.
 194         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 195         ::operator-(difference_type)): Likewise.
 196         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 197         Likewise.
 198         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 199         Likewise.
 200         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 201         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 202         Likewise.
 203         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 204         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 205         Likewise.
 206         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 207         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
 208         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
 209         * include/debug/safe_iterator.tcc
 210         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
 211         copy.
 212         * include/debug/safe_local_iterator.h
 213         (_Safe_local_iterator<_It, _Seq>::_Self): New.
 214         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
 215         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
 216         (operator==(const _Safe_local_iterator<>&,
 217         const _Safe_local_iterator<>&)): Use latter, inline as friend.
 218         (operator!=(const _Safe_local_iterator<>&,
 219         const _Safe_local_iterator<>&)): Likewise.
 220         * testsuite/util/testsuite_containers.h: Include utility.
 221         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
 222         parameter.
 223         (forward_members_unordered<>::forward_members_unordered(value_type&)):
 224         Add using namespace std::rel_ops.
 225         Add iterator_concept_checks on local_iterator and const_local_iterator.
 226         Add asserts on comparison between const_local_iterator and
 227         local_iterator.
 228         (struct forward_members_unordered<_Tp, false>): Remove partial
 229         specialization.
 230         * testsuite/23_containers/forward_list/types/1.cc: New.
 231         * testsuite/23_containers/list/types/1.cc: New.
 232
 233 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
 234
 235         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
 236         references.
 237
 238 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
 239
 240         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
 241         Add dg-require-fileio.
 242         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
 243         Likewise.
 244         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
 245         Likewise.
 246         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
 247         Likewise.
 248         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
 249         Likewise.
 250         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
 251         Likewise.
 252         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
 253         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
 254         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
 255         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
 256         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
 257         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
 258         Likewise.
 259         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
 260         Likewise.
 261         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
 262         Likewise.
 263         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
 264         Likewise.
 265         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
 266         Likewise.
 267         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
 268         Likewise.
 269         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
 270         Likewise.
 271         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
 272         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
 273         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
 274         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
 275         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
 276         Likewise.
 277         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
 278         Likewise.
 279         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
 280         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
 281         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
 282         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
 283         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
 284         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
 285         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
 286         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
 287         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
 288         Likewise.
 289         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
 290         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
 291         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
 292         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
 293         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
 294         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
 295         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
 296         Likewise.
 297         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
 298
 299 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
 300
 301         * testsuite/experimental/propagate_const/observers/1.cc: Make
 302         dependence on -fdelete-null-pointer-checks explicit.
 303
 304 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
 305
 306         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
 307         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
 308         of the number of bits in the type.
 309         * include/std/bit (__ceil2): Avoid undefined shifts.
 310         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
 311         the most signifiant bit set.
 312
 313         * config/abi/pre/gnu.ver: Add missing exports for mingw.
 314
 315         * include/ext/pointer.h (_Pointer_adapter): Define operators for
 316         pointer arithmetic using long long offsets.
 317         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
 318         long long values.
 319
 320 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
 321
 322         PR libstdc++/31413
 323         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
 324         string for alternative format.
 325
 326 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
 327
 328         PR libstdc++/87116
 329         * src/filesystem/std-path.cc (path::lexically_normal): When handling
 330         a dot-dot filename, preserve an empty final component in the iteration
 331         sequence.
 332         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
 333         root-directory.
 334         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
 335         for more than two adjacent dot-dot filenames.
 336         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
 337         preferred-separator in expected normalized strings.
 338
 339 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
 340
 341         PR libstdc++/70694
 342         * configure.host (OPT_LDFLAGS): Don't append
 343         -fvisibility-inlines-hidden for newer Darwin.
 344
 345 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
 346
 347         PR libstdc++/86822
 348         * libsupc++/new (operator new(size_t, nothrow_t), operator
 349         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
 350         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
 351
 352 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
 353
 354         * include/debug/deque (std::__debug::deque): Declare.
 355         * include/debug/forward_list (std::__debug::forward_list): Declare.
 356         * include/debug/list (std::__debug::list): Declare.
 357         * include/debug/map (std::__debug::map): Declare.
 358         * include/debug/set (std::__debug::set): Declare.
 359         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
 360         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
 361         * include/debug/vector (std::__debug::vector): Declare.
 362         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
 363         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
 364         test.
 365         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
 366         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
 367         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
 368         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
 369         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
 370         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
 371         test.
 372         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
 373         New test.
 374         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
 375         New test.
 376         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
 377         test.
 378         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
 379         Adjust dg-error lineno.
 380         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
 381         test.
 382
 383 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
 384
 385         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
 386         Only define when RTTI is enabled.
 387
 388         * include/debug/vector (__niter_base): Define for C++98.
 389
 390         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
 391         Fix C++98 test to not use C++11 features.
 392         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
 393
 394         * scripts/check_compile: Fix comments.
 395
 396         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
 397         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
 398         begin(), for C++98 compatibility.
 399
 400         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 401         (basic_string::__const_iterator): Change access to protected.
 402         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
 403         as typedef for iterator.
 404         * include/debug/string (__const_iterator): Use typedef from base.
 405         (insert(const_iterator, _CharT))
 406         (replace(const_iterator, const_iterator, const basic_string&))
 407         (replace(const_iterator, const_iterator, const _CharT*, size_type))
 408         (replace(const_iterator, const_iterator, const CharT*))
 409         (replace(const_iterator, const_iterator, size_type, _CharT))
 410         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
 411         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
 412         Change const_iterator parameters to __const_iterator.
 413         (insert(iterator, size_type, _CharT)): Add C++98 overload.
 414         (insert(const_iterator, _InputIterator, _InputIterator)): Change
 415         const_iterator parameter to __const_iterator.
 416         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
 417         of base's member function.
 418         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
 419         Likewise.
 420         (insert(const_iterator, initializer_list<_CharT>))
 421         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
 422         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
 423         target directive.
 424
 425         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
 426         not use C++14 feature.
 427         * testsuite/23_containers/list/68222_neg.cc: Likewise.
 428
 429         * testsuite/21_strings/basic_string/init-list.cc:
 430         Require cxx11-abi.
 431         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 432         Likewise.
 433         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 434         Likewise.
 435
 436         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
 437         C++98 mode.
 438         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
 439         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
 440         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
 441         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 442         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
 443
 444 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 445
 446         PR libstdc++/87061
 447         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
 448         (experimental::pmr::match_results, experimental::pmr::cmatch)
 449         (experimental::pmr::smatch, experimental::pmr::wcmatch)
 450         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
 451         because COW strings don't support C++11 allocator model.
 452         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
 453         (experimental::pmr::basic_string, experimental::pmr::string)
 454         (experimental::pmr::u16string, experimental::pmr::u32string)
 455         (experimental::pmr::wstring): Likewise.
 456         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
 457         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
 458         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
 459         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
 460         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
 461         cxx11-abi.
 462         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
 463
 464         PR libstdc++/78448
 465         * include/bits/deque.tcc (deque::_M_range_initialize): Use
 466         _S_check_init_len to check size.
 467         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
 468         error if size would exceed max_size().
 469         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
 470         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
 471         size_t instead of size_type.
 472         (deq(size_type, const allocator_type&)
 473         (deq(size_type, const value_type&, const allocator_type&)
 474         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
 475         (deque::max_size): Call _S_max_size.
 476         (deque::_S_check_init_len, deque::_S_max_size): New functions.
 477         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
 478         (vector(size_type, const value_type&, const allocator_type&))
 479         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
 480         _S_check_init_len to check size.
 481         (vector::max_size): Call _S_max_size.
 482         (vector::_M_check_len): Prevent max from being expanded as a
 483         function-like macro.
 484         (vector::_S_check_init_len, vector::_S_max_size): New functions.
 485         * include/bits/vector.tcc (vector::_M_assign_aux): Use
 486         _S_check_init_len to check size.
 487         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
 488         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
 489
 490 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
 491
 492         PR libstdc++/68222
 493         * include/debug/safe_iterator.h
 494         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
 495         (_Safe_iterator<>::_Const_iterator): Remove.
 496         (_Safe_iterator<>::_IsConstant): New.
 497         (_Safe_iterator<>::_OtherIterator): New.
 498         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
 499         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
 500         __gnu_cxx::__enable_if condition.
 501         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
 502         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
 503         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
 504         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
 505         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
 506         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 507         ::operator--()): ...here.
 508         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
 509         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 510         ::operator--(int)): ...here.
 511         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
 512         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 513         ::_M_decrementable()): ...here.
 514         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
 515         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
 516         Move...
 517         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 518         ::operator[](const difference_type&)): ...here.
 519         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
 520         Move...
 521         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 522         ::operator+=(const difference_type&)): ...here.
 523         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
 524         Move...
 525         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 526         ::operator+(const difference_type&)): ...here.
 527         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
 528         Move...
 529         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 530         ::operator-=(const difference_type&)): ...here.
 531         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
 532         Move...
 533         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 534         ::operator-(const difference_type&)): ...here.
 535         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 536         Constraint to random access iterators.
 537         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 538         Likewise.
 539         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 540         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 541         Likewise.
 542         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 543         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
 544         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
 545         (__get_distance): Remove.
 546         (__get_distance_from_begin): Remove.
 547         (__get_distance_to_end): Remove.
 548         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
 549         specialization.
 550         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
 551         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
 552         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
 553         * include/debug/safe_iterator.tcc
 554         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
 555         (_Safe_iterator<>::_M_get_distance_to_end()): New.
 556         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
 557         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 558         ::_M_valid_range): New.
 559         * include/debug/safe_local_iterator.h
 560         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
 561         (_Safe_local_iterator<>::_IsConstant): New.
 562         (_Safe_local_iterator<>::_OtherIterator): New.
 563         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
 564         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
 565         in __gnu_cxx::__enable_if condition. If singular compare base iterator
 566         with _MutIte rather than _It.
 567         (_Safe_local_iterator<>::_S_constant): Make constexpr.
 568         (_Safe_local_iterator<>::_M_get_distance_to): New.
 569         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
 570         (__get_distance(const _Safe_local_iterator<>&,
 571         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
 572         (__valid_range(const _Safe_local_iterator<>&,
 573         const _Safe_local_iterator<>&)): New.
 574         * include/debug/safe_local_iterator.tcc
 575         (_Safe_local_iterator<>::_M_get_distance_to): New.
 576         * include/debug/deque (std::__debug::deque<>): Add
 577         ::__gnu_debug::_Safe_iterator<> friend declaration.
 578         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
 579         * include/debug/list (std::__debug::list<>): Likewise.
 580         * include/debug/map.h (std::__debug::map<>): Likewise.
 581         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
 582         * include/debug/set.h (std::__debug::set<>): Likewise.
 583         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
 584         * include/debug/string (std::__debug::basic_string<>): Likewise.
 585         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
 586         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
 587         (std::__debug::unordered_multimap<>): Likewise.
 588         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
 589         (std::__debug::unordered_multiset<>): Likewise.
 590         * include/debug/formatter.h: Adapt.
 591         * include/debug/helper_functions.h
 592         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
 593         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
 594         Pass parameter by copy.
 595         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
 596         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
 597         (__valid_range_aux<_Integral>): Pass _Integral by copy.
 598         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
 599         (__valid_range<>(const _Safe_iterator<>&,
 600         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
 601         Declare.
 602         (__valid_range(const _Safe_local_iterator<>&,
 603         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
 604         Declare.
 605         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 606         Declare.
 607         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
 608         Declare.
 609         (__can_advance): Adapt.
 610         (struct __is_safe_random_iterator<>): Remove.
 611         (struct _SIter_base<>): Remove.
 612         * include/debug/functions.h: Include <bits/stl_iterator.h>.
 613         (__check_dereferenceable): Remove.
 614         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
 615         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
 616         (__foreign_iterator): Adapt.
 617         * include/debug/stl_iterator.h
 618         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
 619         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
 620         Constraint for random access iterators.
 621         (__niter_base): Adapt.
 622         * testsuite/util/testsuite_containers.h:
 623         Include <bits/boost_concept_check.h>.
 624         (iterator_concept_checks<_It, _Mutable, _Category>): New.
 625         (citerator<_Cont>::forward_members::forward_members()): Instantiate
 626         latter for container iterator and const_iterator.
 627         * testsuite/23_containers/list/68222_neg.cc: New.
 628         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
 629         line number.
 630         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
 631         (test01): Remove.
 632         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
 633         Remove.
 634
 635 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 636
 637         PR libstdc++/77854
 638         * doc/xml/manual/status_cxx1998.xml: Document size_type and
 639         difference_type for containers.
 640         * doc/html/*: Regenerate.
 641
 642 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
 643
 644         P0646R1 Improving the Return Value of Erase-Like Algorithms I
 645         * include/debug/forward_list (forward_list::__remove_return_type):
 646         Define typedef as size_type or void, according to __cplusplus value.
 647         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 648         empty, according to __cplusplus value.
 649         (_GLIBCXX20_ONLY): Define macro.
 650         (forward_list::remove, forward_list::unique): Use typedef and macro
 651         to change return type and add abi-tag for C++2a. Return number of
 652         removed elements for C++2a.
 653         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
 654         typedef to change return type for C++2a. Return number of removed
 655         elements for C++2a.
 656         * include/debug/list (list::__remove_return_type): Define typedef as
 657         size_type or void, according to __cplusplus value.
 658         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 659         empty, according to __cplusplus value.
 660         (_GLIBCXX20_ONLY): Define macro.
 661         (list::remove, list::unique): Use typedef and macro to change return
 662         type and add abi-tag for C++2a. Return number of removed elements for
 663         C++2a.
 664         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
 665         to change return type for C++2a. Return number of removed elements for
 666         C++2a.
 667
 668 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
 669
 670         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
 671
 672 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
 673
 674         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
 675         redundant dg-do directive.
 676         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
 677         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
 678         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
 679         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
 680
 681 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
 682
 683         PR libstdc++/86963
 684         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
 685         (_Tuple_impl::_M_assign): New functions to perform assignment instead
 686         of assignment operators.
 687         (_Tuple_impl::_M_swap): Remove exception specification.
 688         (_Tuple_impl<_Idx, _Head>): Likewise.
 689         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
 690         (__tuple_base): Remove.
 691         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
 692         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
 693         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
 694         using __is_nothrow_swappable.
 695         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
 696
 697         * include/std/optional (_Optional_payload): Use variable templates
 698         for conditions in default template arguments and exception
 699         specifications.
 700         (optional): Likewise. Adjust indentation.
 701         (optional::__not_self, optional::__not_tag, optional::_Requires): New
 702         SFINAE helpers.
 703         (optional::optional): Use new helpers in constructor constraints.
 704         * include/std/type_traits (__or_v, __and_v): New variable templates.
 705         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
 706         dg-prune-output. Remove unused header.
 707
 708 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
 709
 710         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
 711         _GLIBCXX_DEBUG.
 712
 713 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
 714
 715         PR libstdc++/86963
 716         * include/std/tuple (__tuple_base): New class template with deleted
 717         copy assignment operator.
 718         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
 719         implicit copy/move assignment operator will be deleted/suppressed.
 720         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
 721         functions for SFINAE constraints on assignment operators.
 722         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
 723         New helper functions for exception specifications.
 724         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
 725         (tuple<_T1, _T2>::operator=(const tuple&))
 726         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
 727         __nonesuch_no_braces when the operator should be defined implicitly.
 728         Use __nothrow_assignable for exception specifications.
 729         (tuple::operator=(const tuple<_UElements...>&))
 730         (tuple::operator=(tuple<_UElements...>&&))
 731         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
 732         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
 733         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
 734         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
 735         __assignable and use __nothrow_assignable for exception
 736         specifications.
 737         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
 738         gdb.Type as first argument, instead of a string.
 739         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
 740         tuple for expected structure.
 741         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
 742         * testsuite/20_util/tuple/dr2729.cc: New test.
 743         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
 744         to dg-prune-output.
 745
 746 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
 747
 748         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
 749         about signed/unsigned comparison.
 750
 751         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
 752         deprecation warnings for using uncaught_exception().
 753
 754         PR libstdc++/86447
 755         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
 756         (logic_error::logic_error(logic_error&&))
 757         (logic_error::operator=(logic_error&&))
 758         (runtime_error::runtime_error(runtime_error&&))
 759         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
 760         moving, to avoid allocating empty reps for moved-from strings.
 761
 762 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
 763
 764         * include/experimental/regex: Remove begin/end macros for namespace.
 765         * include/experimental/string: Likewise.
 766         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
 767         New test.
 768         * testsuite/experimental/polymorphic_allocator/
 769         pmr_typedefs_forward_list.cc: New test.
 770         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
 771         New test.
 772         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
 773         New test.
 774         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 775         New test.
 776         * testsuite/experimental/polymorphic_allocator/
 777         pmr_typedefs_multimap.cc: New test.
 778         * testsuite/experimental/polymorphic_allocator/
 779         pmr_typedefs_multiset.cc: New test.
 780         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
 781         New test.
 782         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 783         New test.
 784         * testsuite/experimental/polymorphic_allocator/
 785         pmr_typedefs_unordered_map.cc: New test.
 786         * testsuite/experimental/polymorphic_allocator/
 787         pmr_typedefs_unordered_multimap.cc: New test.
 788         * testsuite/experimental/polymorphic_allocator/
 789         pmr_typedefs_unordered_multiset.cc: New test.
 790         * testsuite/experimental/polymorphic_allocator/
 791         pmr_typedefs_unordered_set.cc: New test.
 792         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
 793         New test.
 794
 795         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
 796         calls to __uses_allocator_construct_impl and __use_alloc.
 797         * include/experimental/memory_resource
 798         (polymorphic_allocator::_M_construct): Remove.
 799         (polymorphic_allocator::construct): Call __uses_allocator_construct.
 800         Qualify calls to __use_alloc.
 801         * include/std/memory_resource (polymorphic_allocator::construct): Fix
 802         type in SFINAE constraint. Use constexpr if instead of tag dispatching
 803         to _S_construct overloads.
 804         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
 805         arguments to _S_construct_p.
 806         (polymorphic_allocator::_S_construct): Remove.
 807         (polymorphic_allocator::_S_construct_p): Return allocators by value
 808         not by reference.
 809         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
 810         Qualify calls to __use_alloc.
 811         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
 812         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
 813         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
 814         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
 815         New test.
 816
 817         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
 818         (atomic_mem_res): Add unsynchronized definition for single-threaded.
 819
 820 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
 821
 822         PR libstdc++/86954
 823         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
 824         non-placement delete.
 825
 826         * include/std/chrono (__check_overflow): Simplify definition.
 827         (_Checked_integral_constant): Remove.
 828
 829         PR libstdc++/86846
 830         * src/c++17/default_resource.h: New file, defining default_res.
 831         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
 832         (atomic_mem_res): Define alternative for atomic<memory_resource*>
 833         using a mutex instead of atomics.
 834
 835         PR libstdc++/85343
 836         * config/abi/pre/gnu.ver: Export new symbol.
 837         * doc/xml/manual/abi.xml: Document new versions.
 838         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
 839         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
 840         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
 841         Declare new overload.
 842         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
 843         and static member function.
 844         (__throw_ios_failure(const char*, int)): Define.
 845         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
 846         (__throw_ios_failure(const char*, int)): Define.
 847
 848 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
 849
 850         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
 851         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
 852         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
 853         copied/assigned rope iterators don't retain pointers to the iterator
 854         they were copied/assigned from.
 855         * testsuite/ext/rope/7.cc: New.
 856
 857 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
 858
 859         PR libstdc++/45093
 860         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
 861         Combine definitions to avoid --detect-odr-violations warning.
 862
 863         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
 864         __is_pow2 to check for valid alignment. Avoid branching when rounding
 865         size to multiple of alignment.
 866
 867         * include/Makefile.am: Install <bit> and <version> for freestanding.
 868         * include/Makefile.in: Regenerate.
 869         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
 870
 871         Revert
 872         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 873
 874         PR target/85904
 875         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 876         Newlib.
 877         * configure: Regenerate.
 878
 879 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 880
 881         PR libstdc++/68210
 882         * doc/xml/manual/intro.xml: Document LWG 206 change.
 883         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 884         * libsupc++/del_opa.cc: Likewise.
 885         * libsupc++/del_opant.cc: Likewise.
 886         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
 887         of free(ptr).
 888         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 889         * libsupc++/del_opsa.cc: Likewise.
 890         * libsupc++/del_opva.cc: Likewise.
 891         * libsupc++/del_opvant.cc: Likewise.
 892         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
 893         instead of operator delete(ptr).
 894         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 895         * libsupc++/del_opvsa.cc: Likewise.
 896         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
 897         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
 898         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
 899         with noexcept.
 900         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
 901         malloc(sz).
 902         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
 903         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
 904         operator new(sz, nothrow).
 905         * testsuite/18_support/new_nothrow.cc: New test.
 906
 907 2018-08-10  Martin Liska  <mliska@suse.cz>
 908
 909         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
 910         predictor can handle that.
 911         * libsupc++/new_opa.cc: Likewise.
 912         * libsupc++/new_opnt.cc (new): Likewise.
 913
 914 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 915
 916         PR target/85904
 917         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 918         Newlib.
 919         * configure: Regenerate.
 920
 921 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 922
 923         * include/std/deque (std::pmr::deque): Declare alias.
 924         * include/std/forward_list (std::pmr::forward_list): Likewise.
 925         * include/std/list (std::pmr::list): Likewise.
 926         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
 927         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
 928         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
 929         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
 930         * include/std/string (std::pmr::basic_string, std::pmr::string)
 931         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
 932         Likewise.
 933         * include/std/unordered_map (std::pmr::unordered_map)
 934         (std::pmr::unordered_multimap): Likewise.
 935         * include/std/unordered_set (std::pmr::unordered_set)
 936         (std::pmr::unordered_multiset): Likewise.
 937         * include/std/vector (std::pmr::vector): Likewise.
 938         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
 939         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
 940         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
 941         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
 942         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
 943         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
 944         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
 945         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
 946         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
 947         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
 948         test.
 949         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
 950         test.
 951         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
 952         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
 953         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
 954
 955 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
 956
 957         * include/bits/stl_algo.h
 958         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
 959         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
 960         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
 961         duplication...
 962         (rotate(_Ite, _Ite, _Ite)): ...here.
 963         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
 964         Simplify rotate call.
 965         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
 966         Likewise.
 967         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
 968         Likewise.
 969
 970 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
 971
 972         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
 973         avoid clashing with an ::aligned_alloc function that was not detected
 974         by configure.
 975
 976         * doc/xml/manual/using.xml: Fix markup for empty table entry.
 977         * doc/html/*: Regenerate.
 978
 979         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
 980         * doc/html/*: Regenerate.
 981
 982         PR libstdc++/86597
 983         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
 984         Clear error_code when cached type is used.
 985         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
 986
 987 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
 988
 989         PR libstdc++/86874
 990         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
 991         here instead of in _Move_assign_base.
 992         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
 993         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
 994         the contained value to another alternative.
 995         (_Move_assign_base::operator=): Likewise.
 996         (_Move_assign_base::_M_destructive_move): Remove.
 997         * testsuite/20_util/variant/86874.cc: New test.
 998
 999         PR libstdc++/86861
1000         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
1001         Replace macro with inline function.
1002         [__sun]: Increase alignment to meet memalign precondition.
1003         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
1004         (aligned_alloc): Move check for valid alignment to operator new.
1005         Remove redundant check for non-zero size, it's enforced by the caller.
1006         (operator new): Move check for valid alignment here. Use
1007         __builtin_expect on check for zero size.
1008
1009         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
1010         * include/std/memory_resource (monotonic_buffer_resource::release):
1011         Call _M_release_buffers to free buffers.
1012         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
1013         allocate a new buffer from upstream.
1014         (monotonic_buffer_resource::_M_new_buffer): Declare.
1015         (monotonic_buffer_resource::_M_release_buffers): Declare.
1016         (monotonic_buffer_resource::_Chunk): Replace definition with
1017         declaration as opaque type.
1018         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
1019         Define.
1020         (monotonic_buffer_resource::_M_new_buffer): Define.
1021         (monotonic_buffer_resource::_M_release_buffers): Define.
1022
1023 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
1024
1025         * include/bits/stl_iterator.h: Fix comment.
1026
1027 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
1028
1029         * src/c++11/system_error.cc
1030         (system_error_category::default_error_condition): Add workaround for
1031         ENOTEMPTY and EEXIST having the same value on AIX.
1032         * testsuite/19_diagnostics/error_category/system_category.cc: Add
1033         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
1034
1035 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1036
1037         * configure: Regenerate.
1038         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
1039         * src/c++11/futex.cc: Use __glibcxx_assert instead of
1040         _GLIBCXX_DEBUG_ASSERT.
1041
1042 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1043
1044         * include/std/condition_variable (wait_for): Use steady_clock.
1045
1046 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1047
1048         * include/std/condition_variable (wait_until): Only report timeout
1049         if we really have timed out when measured against the
1050         caller-supplied clock.
1051         * testsuite/30_threads/condition_variable/members/2.cc: Add test
1052         case to confirm above behaviour.
1053
1054 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1055
1056         PR libstdc++/60555
1057         * src/c++11/system_error.cc
1058         (system_error_category::default_error_condition): New override to
1059         check for POSIX errno values.
1060         * testsuite/19_diagnostics/error_category/generic_category.cc: New
1061         * testsuite/19_diagnostics/error_category/system_category.cc: New
1062         test.
1063
1064 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
1065
1066         PR libstdc++/86751
1067         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
1068         assignment operator.
1069         (pair): Derive from __pair_base.
1070         (pair::operator=): Remove deleted overload.
1071         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
1072         so that new base class isn't shown in GDB.
1073         * testsuite/20_util/pair/86751.cc: New test.
1074         * testsuite/20_util/pair/ref_assign.cc: New test.
1075
1076         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1077         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
1078         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
1079         instead of __has_builtin.
1080         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1081         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
1082         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
1083         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
1084         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
1085         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
1086         (__cpp_lib_has_unique_object_representations): Don't define when
1087         builtin not available.
1088         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
1089         Likewise.
1090         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
1091         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
1092         from here.
1093
1094         * doc/xml/manual/test.xml: Improve documentation on writing tests for
1095         newer standards.
1096         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
1097         * doc/html/*: Regenerate.
1098
1099         * include/ext/pointer.h [__cplusplus >= 201103L]
1100         (_Pointer_adapter::operator bool): Add explicit conversion operator
1101         to replace safe bool idiom.
1102
1103 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
1104
1105         PR libstdc++/86734
1106         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
1107         _S_to_pointer (LWG 1052, LWG 2118).
1108         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
1109         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
1110         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
1111
1112         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
1113         workaround for aligned_alloc bug on AIX.
1114         * testsuite/18_support/new_aligned.cc: New test.
1115
1116 2018-07-26  Marek Polacek  <polacek@redhat.com>
1117
1118         * testsuite/30_threads/condition_variable_any/cond.cc: New.
1119
1120 2018-07-26  Marek Polacek  <polacek@redhat.com>
1121
1122         * src/c++98/locale_init.cc: Fix #ifdef condition.
1123
1124 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1125
1126         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
1127         dg-require-cstdint directive.
1128         * testsuite/20_util/allocator/overaligned.cc: Likewise.
1129         * testsuite/20_util/any/cons/aligned.cc: Likewise.
1130         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
1131         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
1132         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
1133         Likewise.
1134         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1135         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
1136         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
1137         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
1138         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
1139         random_device effective-target.
1140         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
1141         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
1142         * testsuite/25_algorithms/sample/2.cc: Likewise.
1143         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
1144         and random_device.
1145         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
1146         cstdint.
1147         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1148         Likewise.
1149         * testsuite/26_numerics/random/discard_block_engine/requirements/
1150         constexpr_data.cc: Likewise.
1151         * testsuite/26_numerics/random/discard_block_engine/requirements/
1152         constexpr_functions.cc: Likewise.
1153         * testsuite/26_numerics/random/independent_bits_engine/requirements/
1154         constexpr_functions.cc: Likewise.
1155         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1156         constexpr_data.cc: Likewise.
1157         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1158         constexpr_functions.cc: Likewise.
1159         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1160         constexpr_data.cc: Likewise.
1161         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1162         constexpr_functions.cc: Likewise.
1163         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1164         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
1165         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1166         constexpr_data.cc: Add dg-require-cstdint directive.
1167         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1168         constexpr_functions.cc: Likewise.
1169         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1170         constexpr_data.cc: Likewise.
1171         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1172         constexpr_functions.cc: Likewise.
1173         * testsuite/26_numerics/random/uniform_real_distribution/operators/
1174         64351.cc: Likewise.
1175         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
1176         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1177         * testsuite/experimental/algorithm/sample.cc: Likewise.
1178         * testsuite/experimental/algorithm/search.cc: Likewise.
1179         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1180         * testsuite/experimental/any/cons/aligned.cc: Likewise.
1181         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1182         Likewise.
1183         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
1184         * testsuite/experimental/random/randint.cc: Likewise.
1185         * testsuite/experimental/source_location/1.cc: Likewise.
1186         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
1187         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
1188         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
1189         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
1190         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
1191         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
1192         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
1193         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
1194         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
1195         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
1196         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
1197         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
1198         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
1199         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
1200         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
1201         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
1202         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
1203         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
1204         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
1205         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1206         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
1207         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
1208         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
1209
1210         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
1211         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
1212         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
1213         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
1214         Likewise.
1215         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
1216         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
1217         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
1218         Likewise.
1219         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
1220         Likewise.
1221         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
1222         Likewise.
1223         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
1224         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
1225         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
1226         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
1227         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
1228         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
1229         Likewise.
1230         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
1231         Likewise.
1232         * testsuite/30_threads/recursive_timed_mutex/dest/
1233         destructor_locked.cc: Likewise.
1234         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
1235         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
1236         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
1237         Likewise.
1238         * testsuite/30_threads/recursive_timed_mutex/native_handle/
1239         typesizes.cc: Likewise.
1240         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
1241         Likewise.
1242         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
1243         Likewise.
1244         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
1245         Likewise.
1246         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
1247         Likewise.
1248         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
1249         Likewise.
1250         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
1251         Likewise.
1252         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
1253         Likewise.
1254         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
1255         Likewise.
1256         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
1257         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
1258         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
1259         * testsuite/30_threads/scoped_lock/requirements/
1260         explicit_instantiation.cc: Likewise.
1261         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
1262         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
1263         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
1264         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
1265         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
1266         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
1267         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
1268         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
1269         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
1270         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
1271         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
1272         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
1273         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
1274         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
1275         * testsuite/30_threads/shared_future/requirements/
1276         explicit_instantiation.cc: Likewise.
1277         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
1278         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
1279         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
1280         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
1281         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
1282         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
1283         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
1284         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
1285         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
1286         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
1287         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
1288         * testsuite/30_threads/shared_lock/requirements/
1289         explicit_instantiation.cc: Likewise.
1290         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
1291         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
1292         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
1293         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
1294         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
1295         Likewise.
1296         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
1297         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
1298         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
1299         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
1300         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
1301         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
1302         * testsuite/30_threads/shared_timed_mutex/requirements/
1303         standard_layout.cc: Likewise.
1304         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
1305         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
1306         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
1307         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
1308         * testsuite/30_threads/this_thread/1.cc: Likewise.
1309         * testsuite/30_threads/this_thread/2.cc: Likewise.
1310         * testsuite/30_threads/this_thread/3.cc: Likewise.
1311         * testsuite/30_threads/this_thread/4.cc: Likewise.
1312         * testsuite/30_threads/this_thread/58038.cc: Likewise.
1313         * testsuite/30_threads/thread/70503.cc: Likewise.
1314         * testsuite/30_threads/thread/84532.cc: Likewise.
1315         * testsuite/30_threads/thread/adl.cc: Likewise.
1316         * testsuite/30_threads/thread/cons/1.cc: Likewise.
1317         * testsuite/30_threads/thread/cons/2.cc: Likewise.
1318         * testsuite/30_threads/thread/cons/3.cc: Likewise.
1319         * testsuite/30_threads/thread/cons/4.cc: Likewise.
1320         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
1321         * testsuite/30_threads/thread/cons/5.cc: Likewise.
1322         * testsuite/30_threads/thread/cons/6.cc: Likewise.
1323         * testsuite/30_threads/thread/cons/7.cc: Likewise.
1324         * testsuite/30_threads/thread/cons/8.cc: Likewise.
1325         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
1326         * testsuite/30_threads/thread/cons/9.cc: Likewise.
1327         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
1328         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
1329         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
1330         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
1331         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
1332         * testsuite/30_threads/thread/id/operators.cc: Likewise.
1333         * testsuite/30_threads/thread/members/1.cc: Likewise.
1334         * testsuite/30_threads/thread/members/2.cc: Likewise.
1335         * testsuite/30_threads/thread/members/3.cc: Likewise.
1336         * testsuite/30_threads/thread/members/4.cc: Likewise.
1337         * testsuite/30_threads/thread/members/5.cc: Likewise.
1338         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
1339         Likewise.
1340         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
1341         * testsuite/30_threads/thread/swap/1.cc: Likewise.
1342         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
1343         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
1344         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
1345         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
1346         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
1347         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
1348         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
1349         Likewise.
1350         * testsuite/30_threads/timed_mutex/requirements/
1351         standard_layout.cc: Likewise.
1352         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
1353         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
1354         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
1355         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
1356         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
1357         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
1358         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
1359         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
1360         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
1361         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
1362         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
1363         * testsuite/30_threads/try_lock/1.cc: Likewise.
1364         * testsuite/30_threads/try_lock/2.cc: Likewise.
1365         * testsuite/30_threads/try_lock/3.cc: Likewise.
1366         * testsuite/30_threads/try_lock/4.cc: Likewise.
1367         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
1368         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
1369         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
1370         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
1371         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
1372         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
1373         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
1374         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
1375         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
1376         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
1377         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
1378         * testsuite/30_threads/unique_lock/requirements/
1379         explicit_instantiation.cc: Likewise.
1380         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
1381
1382         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
1383         directive.
1384         * testsuite/30_threads/async/49668.cc: Likewise.
1385         * testsuite/30_threads/async/54297.cc: Likewise.
1386         * testsuite/30_threads/async/84532.cc: Likewise.
1387         * testsuite/30_threads/async/any.cc: Likewise.
1388         * testsuite/30_threads/async/async.cc: Likewise.
1389         * testsuite/30_threads/async/except.cc: Likewise.
1390         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
1391         * testsuite/30_threads/async/launch.cc: Likewise.
1392         * testsuite/30_threads/async/lwg2021.cc: Likewise.
1393         * testsuite/30_threads/async/sync.cc: Likewise.
1394         * testsuite/30_threads/call_once/39909.cc: Likewise.
1395         * testsuite/30_threads/call_once/49668.cc: Likewise.
1396         * testsuite/30_threads/call_once/60497.cc: Likewise.
1397         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
1398         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
1399         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
1400         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
1401         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
1402         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
1403         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
1404         Likewise.
1405         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
1406         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
1407         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
1408         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
1409         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
1410         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
1411         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
1412         Likewise.
1413         * testsuite/30_threads/condition_variable/requirements/
1414         standard_layout.cc: Likewise.
1415         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
1416         * Likewise.
1417         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
1418         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
1419         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
1420         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
1421         Likewise.
1422         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
1423         Likewise.
1424         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
1425         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1426         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
1427         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
1428         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
1429         * testsuite/30_threads/future/cons/default.cc: Likewise.
1430         * testsuite/30_threads/future/cons/move.cc: Likewise.
1431         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
1432         * testsuite/30_threads/future/members/45133.cc: Likewise.
1433         * testsuite/30_threads/future/members/get.cc: Likewise.
1434         * testsuite/30_threads/future/members/get2.cc: Likewise.
1435         * testsuite/30_threads/future/members/share.cc: Likewise.
1436         * testsuite/30_threads/future/members/valid.cc: Likewise.
1437         * testsuite/30_threads/future/members/wait.cc: Likewise.
1438         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
1439         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
1440         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
1441         Likewise.
1442         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
1443         Likewise.
1444         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1445         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
1446         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
1447         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
1448         * testsuite/30_threads/lock/1.cc: Likewise.
1449         * testsuite/30_threads/lock/2.cc: Likewise.
1450         * testsuite/30_threads/lock/3.cc: Likewise.
1451         * testsuite/30_threads/lock/4.cc: Likewise.
1452         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
1453         * testsuite/30_threads/lock_guard/requirements/
1454         explicit_instantiation.cc: Likewise.
1455         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
1456         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
1457         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
1458         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
1459         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
1460         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
1461         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
1462         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
1463         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
1464         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
1465         Likewise.
1466         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
1467         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
1468         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
1469         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
1470         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
1471         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
1472         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
1473         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
1474         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
1475         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
1476         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
1477         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
1478         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
1479         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1480         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1481         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
1482         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
1483         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
1484         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
1485         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
1486         Likewise.
1487         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
1488         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
1489         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
1490         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
1491         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
1492         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
1493         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
1494         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
1495         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
1496         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
1497         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
1498         * testsuite/30_threads/packaged_task/requirements/
1499         explicit_instantiation.cc: Likewise.
1500         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1501         * testsuite/30_threads/promise/60966.cc: Likewise.
1502         * testsuite/30_threads/promise/69106.cc: Likewise.
1503         * testsuite/30_threads/promise/cons/1.cc: Likewise.
1504         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
1505         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
1506         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
1507         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
1508         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
1509         * testsuite/30_threads/promise/cons/move.cc: Likewise.
1510         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
1511         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
1512         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
1513         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
1514         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
1515         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
1516         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
1517         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
1518         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
1519         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
1520         * testsuite/30_threads/promise/members/swap.cc: Likewise.
1521         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
1522         * Likewise.
1523         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
1524
1525         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
1526         from namespace std.
1527         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
1528         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
1529         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
1530         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
1531         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
1532         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
1533         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
1534         * testsuite/20_util/duration/cons/1.cc: Likewise.
1535         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
1536         * testsuite/20_util/duration/cons/2.cc: Likewise.
1537         * testsuite/20_util/duration/cons/54025.cc: Likewise.
1538         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
1539         * testsuite/20_util/duration/requirements/explicit_instantiation/
1540         explicit_instantiation.cc: Likewise.
1541         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1542         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1543         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1544         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
1545         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
1546         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
1547         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
1548         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
1549         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
1550         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
1551         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
1552         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
1553         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
1554         * testsuite/20_util/system_clock/1.cc: Likewise.
1555         * testsuite/20_util/time_point/1.cc: Likewise.
1556         * testsuite/20_util/time_point/2.cc: Likewise.
1557         * testsuite/20_util/time_point/3.cc: Likewise.
1558         * testsuite/20_util/time_point/requirements/explicit_instantiation/
1559         explicit_instantiation.cc: Likewise.
1560         * testsuite/21_strings/basic_string/requirements/
1561         explicit_instantiation/char16_t/1.cc: Likewise.
1562         * testsuite/21_strings/basic_string/requirements/
1563         explicit_instantiation/char32_t/1.cc: Likewise.
1564         * testsuite/21_strings/basic_string_view/requirements/
1565         explicit_instantiation/char16_t/1.cc: Likewise.
1566         * testsuite/21_strings/basic_string_view/requirements/
1567         explicit_instantiation/char32_t/1.cc: Likewise.
1568         * testsuite/21_strings/char_traits/requirements/
1569         explicit_instantiation/char16_t/1.cc: Likewise.
1570         * testsuite/21_strings/char_traits/requirements/
1571         explicit_instantiation/char32_t/1.cc: Likewise.
1572         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
1573         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
1574         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1575         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
1576         Likewise.
1577         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
1578         Likewise.
1579         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
1580         Likewise.
1581         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1582         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
1583         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
1584         Likewise.
1585         * testsuite/experimental/string_view/requirements/
1586         explicit_instantiation/char16_t/1.cc: Likewise.
1587         * testsuite/experimental/string_view/requirements/
1588         explicit_instantiation/char32_t/1.cc: Likewise.
1589         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
1590         1.cc: Likewise.
1591         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
1592         1.cc: Likewise.
1593
1594         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1595         (random_condition, throw_value_random, throw_allocator_random)
1596         (std::hash<throw_value_random>): Do not define when <tr1/random> is
1597         not usable.
1598         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
1599         define transactional memory support when <stdint.h> is not usable.
1600
1601         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
1602         implementation that doesn't depend on <stdint.h> types.
1603         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
1604         std::size_t when std::uintptr_t is not usable.
1605         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
1606         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
1607         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1608
1609         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1610         (hash<u16string>, hash<u32string>): Remove dependency on
1611         _GLIBCXX_USE_C99_STDINT_TR1.
1612         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1613         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
1614         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
1615         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
1616         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1617         (codecvt<char16_t, char, mbstate_t>)
1618         (codecvt<char32_t, char, mbstate_t>)
1619         (codecvt_byname<char16_t, char, mbstate_t>)
1620         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
1621         on _GLIBCXX_USE_C99_STDINT_TR1.
1622         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1623         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
1624         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1625         (char_traits<char16_t>, char_traits<char32_t>)
1626         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
1627         on _GLIBCXX_USE_C99_STDINT_TR1.
1628         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1629         (u16string_view, u32string_view, hash<u16string_view>)
1630         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1631         (operator""sv(const char32_t, size_t)): Likewise.
1632         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1633         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
1634         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1635         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
1636         (__u32sso_string, __u32rc_string): Likewise.
1637         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
1638         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
1639         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1640         (u16string_view, u32string_view, hash<u16string_view>)
1641         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1642         (operator""sv(const char32_t, size_t)): Likewise.
1643         * src/c++11/codecvt.cc: Likewise.
1644         * src/c++98/locale_init.cc: Likewise.
1645         * src/c++98/localename.cc: Likewise.
1646
1647         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1648         (__atomic_futex_unsigned_base): Remove dependency on
1649         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1650         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1651         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
1652         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
1653         (uintmax_t): Define using predefined macros.
1654         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
1655         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
1656         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
1657         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
1658         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
1659         long long when <stdint.h> is not usable.
1660         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
1661         (condition_variable, condition_variable_any): Remove dependency on
1662         _GLIBCXX_USE_C99_STDINT_TR1.
1663         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
1664         (packaged_task, async): Likewise.
1665         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
1666         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
1667         (once_flag, call_once): Likewise.
1668         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
1669         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
1670         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
1671         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
1672         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
1673         (this_thread::sleep_until): Likewise.
1674         * src/c++11/chrono.cc: Remove dependency on
1675         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1676         * src/c++11/condition_variable.cc: Likewise.
1677         * src/c++11/futex.cc: Likewise.
1678         * src/c++11/future.cc: Likewise.
1679         * src/c++11/mutex.cc: Likewise.
1680         * src/c++11/thread.cc: Likewise.
1681         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
1682         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1683         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1684         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1685         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
1686         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1687
1688 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1689
1690         PR libstdc++/77691
1691         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1692         xfail execution on 32-bit Solaris/x86.
1693
1694 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
1695
1696         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
1697         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
1698         (vector::_M_move_assign): Reorder the swaps.
1699
1700 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1701
1702         PR libstdc++/86676
1703         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
1704         same alignment for post-release allocation.
1705
1706 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
1707
1708         PR libstdc++/86676
1709         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
1710         buffer being misaligned and so returned pointer not being at start.
1711
1712         * include/experimental/memory_resource: Include <cstddef> header.
1713
1714         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
1715         * src/Makefile.am: Add comment.
1716         * src/c++17/Makefile.in: Regenerate.
1717
1718         * include/Makefile.am: Add new <bits/unique_lock.h> header.
1719         * include/Makefile.in: Regenerate.
1720         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
1721         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1722         (unique_lock): Move definition to ...
1723         * include/bits/unique_lock.h: New header.
1724         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
1725         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
1726         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
1727         (unique_lock::try_lock_for): Define only when <chrono> is usable.
1728         * include/std/condition_variable: Include <bits/unique_lock.h>.
1729         * include/std/mutex: Likewise.
1730
1731 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
1732
1733         * config/abi/pre/gnu.ver: Export new symbols.
1734         * configure: Regenerate.
1735         * include/Makefile.am: Add new <memory_resource> header.
1736         * include/Makefile.in: Regenerate.
1737         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
1738         * include/std/memory_resource: New header.
1739         (memory_resource, polymorphic_allocator, new_delete_resource)
1740         (null_memory_resource, set_default_resource, get_default_resource)
1741         (pool_options, monotonic_buffer_resource): Define.
1742         * src/Makefile.am: Add c++17 directory.
1743         * src/Makefile.in: Regenerate.
1744         * src/c++11/Makefile.am: Fix comment.
1745         * src/c++17/Makefile.am: Add makefile for new sub-directory.
1746         * src/c++17/Makefile.in: Generate.
1747         * src/c++17/memory_resource.cc: New.
1748         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
1749         (default_res, new_delete_resource, null_memory_resource)
1750         (set_default_resource, get_default_resource): Define.
1751         * testsuite/20_util/memory_resource/1.cc: New test.
1752         * testsuite/20_util/memory_resource/2.cc: New test.
1753         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
1754         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
1755         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
1756         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
1757         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
1758         New test.
1759         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
1760         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
1761         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
1762         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1763         Define concrete memory resource for testing.
1764         (__gnu_test::default_resource_mgr): Define RAII helper for changing
1765         default resource.
1766
1767         PR libstdc++/86658
1768         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
1769         parameter by reference, to avoid copying invalid iterators.
1770         * testsuite/25_algorithms/copy/86658.cc: New test.
1771
1772         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
1773         local variables for number of digits instead of type aliases.
1774         (__log2p1): Remove redundant branch also checked in __countl_zero.
1775
1776         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
1777         conditions. Add comments.
1778         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
1779         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1780         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
1781
1782         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
1783         (__uses_allocator_helper): Check conditions directly instead of
1784         using __is_erased_or_convertible.
1785
1786         * include/experimental/memory_resource: Adjust comments and
1787         whitespace.
1788         (__resource_adaptor_imp): Add second template parameter for type of
1789         memory resource base class.
1790         (memory_resource): Define default constructor, destructor, copy
1791         constructor and copy assignment operator as defaulted.
1792
1793         PR libstdc++/70966
1794         * include/experimental/memory_resource (__get_default_resource): Use
1795         placement new to create an object with dynamic storage duration.
1796
1797 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
1798
1799         PR libstdc++/70940
1800         * include/experimental/memory_resource
1801         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
1802         (__resource_adaptor_common::__guaranteed_alignment): New helper to
1803         give maximum alignment an allocator guarantees. Specialize for known
1804         allocators using new and malloc.
1805         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
1806         (__resource_adaptor_imp::do_deallocate): Likewise.
1807         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1808         Check that new and delete are called with expected sizes.
1809
1810 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1811
1812         PR libstdc++/86595
1813         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
1814         noexcept.
1815
1816 2018-07-20  Fangrui Song  <maskray@google.com>
1817
1818         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
1819         _GLIBCXX_VISIBILITY(default).
1820
1821 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1822
1823         PR libstdc++/86603
1824         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
1825
1826 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
1827
1828         * include/std/type_traits (__is_member_object_pointer_helper): Use
1829         __not_<is_function<_Tp>>::type instead of integral_constant.
1830         (__is_member_function_pointer_helper): Likewise for
1831         is_function<_Tp>::type.
1832         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
1833         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
1834         (is_trivially_constructible): Remove redundant use of
1835         is_constructible.
1836         (__is_trivially_copy_assignable_impl): Remove redundant use of
1837         is_copy_assignable.
1838         (__is_trivially_move_assignable_impl): Remove redundant use of
1839         is_move_assignable.
1840         (is_trivially_destructible): Use __bool_constant.
1841         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
1842         tests for scalar types.
1843
1844 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
1845
1846         * include/bits/stl_algobase.h (__copy_move_a): Used
1847         __is_trivially_copyable.
1848         (__copy_move_backward_a): Likewise.
1849         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1850         New test.
1851
1852 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
1853
1854         PR libstdc++/86450
1855         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
1856         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
1857         * configure: Regenerate.
1858         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
1859         * doc/Makefile.in: Regenerate.
1860         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
1861         * include/Makefile.in: Regenerate.
1862         * libsupc++/Makefile.in: Regenerate.
1863         * po/Makefile.in: Regenerate.
1864         * python/Makefile.in: Regenerate.
1865         * src/Makefile.in: Regenerate.
1866         * src/c++11/Makefile.in: Regenerate.
1867         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
1868         from -Wabi=2 that don't affect exported symbols.
1869         * src/c++98/Makefile.in: Regenerate.
1870         * src/filesystem/Makefile.in: Regenerate.
1871         * testsuite/Makefile.in: Regenerate.
1872
1873         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
1874         (_Async_state_common::_M_join): Simplify use of std::call_once and
1875         corresponding explicit instantiation.
1876         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
1877         (__bind_simple): Remove definitions and explicit instantiation that
1878         are not required by exported symbols.
1879
1880 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
1881
1882         * scripts/create_testsuite_files: Fix typo in comment.
1883
1884         PR libstdc++/86537
1885         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
1886         non-standard partial specialization.
1887         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
1888         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
1889         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
1890
1891 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
1892
1893         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1894         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1895         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1896
1897 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
1898
1899         * include/debug/functions.h (__gnu_debug::__check_string): Move...
1900         * include/debug/string (__gnu_debug::__check_string): ... here.
1901         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
1902         (__glibcxx_check_string_n_constructor): New.
1903         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
1904         Use latter.
1905         (__glibcxx_check_string_constructor): New.
1906         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
1907         Use latter.
1908         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
1909         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
1910
1911 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
1912
1913         PR libstdc++/84928 use std::move in <numeric> algorithms
1914         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
1915         conditionally move, according to __cplusplus value.
1916         (accumulate, inner_product, partial_sum, adjacent_difference): Use
1917         _GLIBCXX_MOVE_IF_20.
1918         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
1919         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
1920         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
1921         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
1922
1923         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
1924
1925         P0935R0 Eradicating unnecessarily explicit default constructors
1926         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
1927         default constructor symbols.
1928         * include/std/sstream (basic_stringbuf, basic_istringstream)
1929         (basic_ostringstream, basic_stringstream): Remove default arguments
1930         from explicit constructors taking ios_base::openmode and add separate
1931         non-explicit default constructors.
1932         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
1933         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
1934         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
1935         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
1936         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
1937
1938         * include/std/variant (__accepted_index): Use void_t.
1939
1940 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
1941
1942         PR libstdc++/85831
1943         * config/abi/pre/gnu.ver: Export move constructors and move
1944         assignment operators for std::logic_error and std::runtime_error.
1945         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
1946         _GLIBCXX_USE_NOEXCEPT.
1947         (logic_error, runtime_error): Declare move constructors and move
1948         assignment operators. When not declared already, define copy
1949         constructors and copy assignment operators as explicit-defaulted.
1950         (domain_error, invalid_argument, length_error, out_of_range)
1951         (overflow_error, underflow_error): Define move constructors and move
1952         assignment operators as explicitly-defaulted.
1953         * libsupc++/exception.h (exception): Likewise.
1954         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
1955         move constructors and move assignment operators as defaulted.
1956         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
1957         assignment operators are defined.
1958
1959         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
1960         COW strings.
1961         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1962         Likewise.
1963         * testsuite/21_strings/basic_string/requirements/
1964         explicit_instantiation/debug.cc: Likewise.
1965
1966         PR libstdc++/58265
1967         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1968         (basic_string::assign(basic_string&&)): Add conditional noexcept
1969         depending on the allocator's is_always_equal property (LWG 2063).
1970         * testsuite/21_strings/basic_string/modifiers/assign/char/
1971         move_assign.cc: Check for non-throwing exception specification.
1972         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
1973         move_assign.cc: Likewise.
1974
1975         PR libstdc++/58265
1976         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1977         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
1978         Add GLIBCXX_NOEXCEPT.
1979         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
1980         to depend on the allocator's is_always_equal property (LWG 2063).
1981         (basic_string::swap(basic_string&)): Likewise.
1982         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
1983         (basic_string::swap(basic_string&)): Likewise.
1984         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
1985         Check is_nothrow_move_assignable.
1986         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
1987         Check is_nothrow_move_assignable.
1988         * testsuite/21_strings/basic_string/cons/char/
1989         noexcept_move_construct.cc: Likewise.
1990         * testsuite/21_strings/basic_string/cons/wchar_t/
1991         noexcept_move_construct.cc: Likewise.
1992
1993 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1994
1995         P0646R1 Improving the Return Value of Erase-Like Algorithms I
1996         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
1997         Define.
1998         (forward_list::__remove_return_type): Define typedef as size_type or
1999         void, according to __cplusplus value.
2000         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2001         empty, according to __cplusplus value.
2002         (forward_list::remove, forward_list::unique): Use typedef and macro
2003         to change return type and add abi-tag for C++2a.
2004         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
2005         typedef to change return type for C++2a.
2006         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
2007         (forward_list::remove, forward_list::remove_if<Pred>)
2008         (forward_list::unique<BinPred>): Return number of removed elements
2009         for C++2a.
2010         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
2011         (list::remove, list::unique, list::remove_if<Predicate>)
2012         (list::unique<BinaryPredicate>): Return number of removed elements
2013         for C++2a.
2014         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
2015         (list::__remove_return_type): Define typedef as size_type or
2016         void, according to __cplusplus value.
2017         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2018         empty, according to __cplusplus value.
2019         (list::remove, list::unique): Use typedef and macro to change return
2020         type and add abi-tag for C++2a.
2021         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
2022         typedef to change return type for C++2a.
2023         * include/std/version (__cpp_lib_list_remove_return_type): Define.
2024         * testsuite/23_containers/forward_list/operations/
2025         remove_cxx20_return.cc: New.
2026         * testsuite/23_containers/forward_list/operations/
2027         unique_cxx20_return.cc: New.
2028
2029         P0458R2 Checking for Existence of an Element in Associative Containers
2030         * include/bits/stl_map.h (map::contains): Add for C++2a.
2031         * include/bits/stl_multimap.h (multimap::contains): Likewise.
2032         * include/bits/stl_multiset.h (multiset::contains): Likewise.
2033         * include/bits/stl_set.h (set::contains): Likewise.
2034         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
2035         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
2036         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
2037         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
2038         * include/bits/unordered_map.h (unordered_map::contains)
2039         (unordered_multimap::contains): Add for C++2a.
2040         * include/bits/unordered_set.h (unordered_set::contains)
2041         (unordered_multiset::contains): Likewise.
2042         * testsuite/23_containers/map/operations/contains.cc: New.
2043         * testsuite/23_containers/multimap/operations/contains.cc: New.
2044         * testsuite/23_containers/multiset/operations/contains.cc: New.
2045         * testsuite/23_containers/set/operations/contains.cc: New.
2046         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
2047         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
2048         New.
2049         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
2050         New.
2051         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
2052
2053 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
2054
2055         PR libstdc++/86272
2056         * include/debug/string
2057         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
2058         Use __glibcxx_check_insert_range.
2059         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
2060         __gnu_debug::string when _GLIBCXX_DEBUG.
2061         * 21_strings/basic_string/init-list.cc: Likewise.
2062         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
2063         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
2064         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
2065         * 21_strings/basic_string/types/1.cc: Likewise.
2066
2067 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2068
2069         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
2070         target for std::random_device.
2071         * testsuite/26_numerics/random/random_device/cons/default.cc:
2072         Likewise.
2073         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2074         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2075         * testsuite/experimental/random/randint.cc: Likewise.
2076         * testsuite/lib/libstdc++.exp
2077         (check_effective_target_random_device): New proc.
2078
2079 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2080             Jakub Jelinek  <jakub@redhat.com>
2081
2082         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
2083
2084 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2085
2086         PR libstdc++/86398
2087         * include/std/type_traits (is_trivially_constructible): Check
2088         is_constructible before __is_trivially_constructible.
2089         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
2090         tests, including negative cases.
2091         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
2092         zero for dg-error lineno.
2093         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
2094         Likewise.
2095
2096         * include/std/bit (__rotl, __rotr): Avoid branch.
2097         (_If_is_unsigned_integer): Use remove_cv_t.
2098         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
2099
2100 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
2101
2102         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
2103         * include/Makefile.am: Add new header.
2104         * include/Makefile.in: Regenerate.
2105         * include/precompiled/stdc++.h: Include new header.
2106         * include/std/bit: New header.
2107         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
2108         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
2109         Define for C++14.
2110         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
2111         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
2112         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
2113         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
2114         std::byte.
2115         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
2116         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
2117         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
2118         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
2119         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
2120         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
2121         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
2122         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
2123         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
2124         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
2125
2126         * include/bits/alloc_traits.h: Remove redundant preprocessor
2127         condition.
2128
2129 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
2130
2131         * include/bits/stl_algobase.h (__niter_wrap): New.
2132         (__copy_move_a2(_II, _II, _OI)): Use latter.
2133         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
2134         (fill_n(_OI, _Size, const _Tp&)): Likewise.
2135         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
2136         * include/debug/stl_iterator.h
2137         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
2138         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
2139         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
2140         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
2141
2142 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
2143
2144         P0758R1 Implicit conversion traits
2145         * include/std/type_traits [__cplusplus > 201703]
2146         (__is_convertible_helper::__is_nothrow_type): Define new member.
2147         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
2148         noexcept.
2149         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
2150         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
2151         new members.
2152         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
2153         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
2154         * testsuite/20_util/is_nothrow_convertible/requirements/
2155         explicit_instantiation.cc: New.
2156         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
2157         New.
2158
2159         P0887R1 The identity metafunction
2160         * include/std/type_traits (type_identity, type_identity_t): Define
2161         for C++2a.
2162         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
2163         * testsuite/20_util/type_identity/requirements/
2164         explicit_instantiation.cc:New.
2165         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
2166
2167         * include/bits/regex.h (sub_match::operator string_type): Call str().
2168         (sub_match::compare): Use _M_str() instead of str().
2169         (sub_match::_M_compare): New public function.
2170         (sub_match::__string_view): New helper type.
2171         (sub_match::_M_str): New overloaded functions to avoid creating a
2172         string_type object when not needed.
2173         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
2174         Use sub_match::_M_compare instead of creating string_type objects.
2175         Fix Doxygen comments.
2176         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
2177         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
2178         simplify.
2179         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
2180         __enable_if_t.
2181         * include/std/type_traits (__enable_if_t): Define for C++11.
2182         * testsuite/28_regex/sub_match/compare.cc: New.
2183         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
2184         trait.
2185         (input_iterator_wrapper): Use remove_cv for value_type argument of
2186         std::iterator base class.
2187
2188 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
2189
2190         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
2191         Add whitespace to dejagnu directive.
2192         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
2193
2194 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
2195
2196         * include/bits/stl_vector.h
2197         (struct _Vector_base<>::_Vector_impl_data): New.
2198         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
2199         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
2200         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
2201         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
2202         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
2203         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
2204         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
2205         (_Vector_base()): Default.
2206         (_Vector_base(_Vector_base&&)): Default.
2207         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
2208         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
2209         (_Vector_base::_M_create_storage(size_t)): Make protected.
2210         (vector()): Default.
2211         (vector(vector&&)): Default.
2212         (vector(vector&&, const allocator_type&, true_type)): New.
2213         (vector(vector&&, const allocator_type&, false_type)): New.
2214         (vector(vector&&, const allocator_type&)): Use latters.
2215         (vector(_InputIte, _InputIte, const allocator_type&)): Call
2216         _M_range_initialize directly.
2217         * include/debug/vector
2218         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
2219         * testsuite/23_containers/vector/allocator/default_init.cc: New.
2220         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
2221         static assertions.
2222
2223 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
2224
2225         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
2226         (__is_byte<byte>): Define specialization for std::byte.
2227
2228         PR libstdc++/86138
2229         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
2230         Declare explicit instantiations of COW empty reps and I/O functions.
2231
2232 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
2233
2234         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
2235         directives.
2236         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2237
2238 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
2239
2240         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
2241         noexcept.
2242
2243 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
2244
2245         PR libstdc++/86112
2246         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2247         Replace dict comprehension.
2248
2249         PR libstdc++/81092
2250         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2251
2252         PR libstdc++/86292
2253         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
2254         Add try-catch block.
2255         * testsuite/23_containers/vector/cons/86292.cc: New.
2256
2257         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
2258
2259         * include/experimental/algorithm (sample, shuffle): Add new overloads
2260         using per-thread random number engine.
2261         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
2262         dependencies by using __gnu_test::test_container.
2263         * testsuite/experimental/algorithm/sample-2.cc: New.
2264         * testsuite/experimental/algorithm/shuffle.cc: New.
2265
2266 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
2267
2268         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
2269         different size_t mangling on 32-bit targets.
2270
2271         PR libstdc++/86280
2272         * include/experimental/memory_resource
2273         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
2274         enough for result of left shift.
2275
2276         PR libstdc++/86138
2277         * include/bits/basic_string.tcc:
2278         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
2279         (basic_string<char>::_Rep::_S_empty_rep_storage)
2280         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
2281         instantiation declarations.
2282         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
2283         explicit instantiation declarations.
2284         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
2285         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
2286
2287 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
2288
2289         PR libstdc++/83328
2290         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
2291         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
2292         * configure: Regenerate.
2293         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2294         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
2295         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2296         (basic_string::insert(iterator, initializer_list<C>)): Suppress
2297         definition.
2298         * include/debug/string (basic_string::insert(iterator, C)): Change
2299         first parameter to const_iterator.
2300         (basic_string::insert(iterator, size_type, C)): Likewise. Change
2301         return type to iterator.
2302         (basic_string::insert(iterator, InputIterator, InputIterator)):
2303         Likewise.
2304         (basic_string::insert(iterator, initializer_list<C>)): Change first
2305         parameter to const_iterator and return type to iterator.
2306         * src/c++11/string-inst.cc: Extend comment.
2307         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
2308         New.
2309         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
2310         New.
2311         * testsuite/util/testsuite_abi.cc: Add new symbol version.
2312
2313         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2314
2315         PR libstdc++/70940
2316         * include/experimental/memory_resource
2317         (__resource_adaptor_imp::do_deallocate): Add missing return.
2318         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
2319         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2320         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
2321         __gnu_cxx::malloc_allocator.
2322
2323         PR libstdc++/70940
2324         * include/experimental/memory_resource (__resource_adaptor_common):
2325         New base class.
2326         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
2327         pointer from unaligned, and vice versa.
2328         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
2329         allocated pointer to meet alignment request.
2330         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
2331         original pointer for deallocation.
2332         (__resource_adaptor_imp::do_is_equal): Reformat.
2333         (__resource_adaptor_imp::_S_aligned_size): Remove.
2334         (__resource_adaptor_imp::_S_supported): Remove.
2335         (new_delete_resource): Use __gnu_cxx::new_allocator.
2336         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2337         extended alignments and use debug_allocator to check for matching
2338         allocate/deallocate pairs.
2339
2340 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
2341
2342         * include/debug/safe_iterator.h
2343         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
2344         Compare __x base iterator with a value-initialized iterator of the
2345         same type.
2346
2347 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
2348
2349         PR libstdc++/70966
2350         * include/experimental/memory_resource (__resource_adaptor_imp): Add
2351         static assertions to enforce requirements on pointer types.
2352         (__resource_adaptor_imp::get_allocator()): Add noexcept.
2353         (new_delete_resource, null_memory_resource): Return address of an
2354         object with dynamic storage duration.
2355         (__null_memory_resource): Remove.
2356         * testsuite/experimental/memory_resource/70966.cc: New.
2357
2358         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
2359         missed from recent commit.
2360
2361 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
2362
2363         * include/std/utility: Remove unused <exception> header.
2364
2365 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2366
2367         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
2368         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
2369         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
2370         a specialization of std::pair.
2371         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
2372         pair elements are constructed correctly.
2373
2374         LWG 2989 hide path iostream operators from normal lookup
2375         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
2376         friends.
2377         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
2378
2379         LWG 3050 Fix cv-qualification of convertibility constraints
2380         * include/std/chrono (duration, operator*, operator/, operator%): Use
2381         const-qualified type as source type in is_convertible constraints.
2382         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
2383         * testsuite/20_util/duration/cons/dr3050.cc: New.
2384         * testsuite/20_util/duration/literals/range.cc: Rename to...
2385         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
2386         dg-error lineno.
2387
2388 2018-06-18  Maya Rashish  <coypu@sdf.org>
2389
2390         * crossconfig.m4: Handle OpenBSD just like NetBSD.
2391         * configure: Rebuilt.
2392
2393 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2394
2395         P0754R2 <version> header
2396         * include/Makefile.am: Add new header.
2397         * include/Makefile.in: Regenerate.
2398         * include/bits/c++config: Change doxygen comment to suggest <version>
2399         instead of <iosfwd>.
2400         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
2401         unconditionally.  Add C++17 and C++20 headers.
2402         * include/std/version: New header.
2403         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
2404         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
2405         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
2406         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
2407         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
2408         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
2409         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
2410         New.
2411         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
2412         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
2413         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
2414         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
2415         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
2416         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
2417         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
2418         New.
2419         * testsuite/18_support/headers/version/macros.cc: New.
2420         * testsuite/18_support/headers/version/macros.cc: New.
2421
2422         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
2423         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
2424         symlink.
2425         * config.h.in: Regenerate.
2426         * configure: Regenerate.
2427         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
2428
2429         LWG 3035. std::allocator's constructors should be constexpr
2430         * include/bits/allocator.h (allocator): Add constexpr to constructors
2431         for C++2a. Replace dynamic exception specifications with NOTHROW
2432         macro.
2433         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
2434         NOTHROW.
2435         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
2436         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
2437         to constructors for C++2a.
2438         * include/ext/new_allocator.h (new_allocator): Likewise.
2439
2440 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
2441
2442         LWG 3076 basic_string CTAD ambiguity
2443         * doc/xml/manual/intro.xml: Document LWG 3076 change.
2444         * include/bits/basic_string.h
2445         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2446         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
2447         template constrained by _RequireAllocator.
2448         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
2449         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
2450         Define.
2451         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2452         deduction
2453         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2454         Likewise.
2455
2456 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
2457
2458         PR libstdc++/86169
2459         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2460         (basic_string::data()): Unshare string.
2461         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
2462         New.
2463
2464         * include/std/string_view (basic_string_view(const CharT*)): Remove
2465         check for null pointer and add nonnull attribute.
2466         (compare(const CharT*), compare(size_type, size_type, const CharT*))
2467         (find(const CharT*, size_type), rfind(const CharT*, size_type))
2468         (find_first_of(const CharT*, size_type))
2469         (find_last_of(const CharT*, size_type))
2470         (find_first_not_of(const CharT*, size_type))
2471         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
2472         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
2473         * testsuite/21_strings/basic_string_view/operations/compare/char/
2474         nonnull.cc: New.
2475         * testsuite/21_strings/basic_string_view/operations/find/char/
2476         nonnull.cc: New.
2477         * testsuite/21_strings/basic_string_view/operations/rfind/char/
2478         nonnull.cc: New.
2479
2480         PR libstdc++/86168
2481         * include/bits/random.h (random_device(const string&)): Remove
2482         default argument.
2483
2484         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
2485         define for C++17 and above.
2486
2487         LWG 2993 reference_wrapper<T> conversion from T&&
2488         * doc/xml/manual/intro.xml: Document LWG 2993 change.
2489         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
2490         (reference_wrapper(_Tp&&)): Remove.
2491         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
2492         template.
2493         (reference_wrapper): Add deduction guide.
2494         * testsuite/20_util/reference_wrapper/deduction.cc: New.
2495         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
2496
2497         LWG 3039 Unnecessary decay in thread and packaged_task
2498         * include/std/future (__constrain_pkgdtask): Replace with ...
2499         (packaged_task::__not_same): New alias template, using
2500         __remove_cvref_t instead of decay.
2501         * include/std/thread (thread::__not_same): Add comment.
2502
2503 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
2504
2505         LWG 3075 basic_string needs deduction guides from basic_string_view
2506         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2507         deduction from string views.
2508         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2509         Likewise.
2510
2511         LWG 3074 make scalar types non-deduced in valarray non-member functions
2512         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
2513         scalar parameters to be a non-deduced context.
2514         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
2515         whitespace.
2516         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
2517         * testsuite/26_numerics/valarray/transcend.cc: New.
2518
2519         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
2520         Move back to <utility>.
2521         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
2522         Restore to here.
2523
2524         P0935R0 Eradicating unnecessarily explicit default constructors
2525         * include/backward/strstream (strstreambuf): Add non-explicit default
2526         constructor.
2527         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
2528         Likewise.
2529         * include/bits/regex.h (match_results): Likewise.
2530         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
2531         default constructor.
2532         * testsuite/22_locale/conversions/string/1.cc: Likewise.
2533         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
2534         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
2535
2536         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
2537         macro from <utility> and change type to long.
2538         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
2539         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
2540         macro.
2541
2542         P0935R0 Eradicating unnecessarily explicit default constructors
2543         * include/bits/random.h (uniform_real_distribution::param_type)
2544         (normal_distribution::param_type, lognormal_distribution::param_type)
2545         (gamma_distribution::param_type, chi_squared_distribution::param_type)
2546         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
2547         (student_t_distribution::param_type)
2548         (bernoulli_distribution::param_type)
2549         (binomial_distribution::param_type)
2550         (geometric_distribution::param_type)
2551         (negative_binomial_distribution::param_type)
2552         (poisson_distribution::param_type)
2553         (exponential_distribution::param_type)
2554         (weibull_distribution::param_type)
2555         (extreme_value_distribution::param_type): Add non-explicit default
2556         constructors. Remove default argument for first parameter of explicit
2557         constructors.
2558         * include/bits/uniform_int_dist.h
2559         (uniform_int_distribution::param_type): Likewise.
2560         * include/ext/random
2561         (beta_distribution::param_type, rice_distribution::param_type)
2562         (nakagami_distribution::param_type, pareto_distribution::param_type)
2563         (k_distribution::param_type, arcsine_distribution::param_type)
2564         (hoyt_distribution::param_type, triangular_distribution::param_type)
2565         (von_mises_distribution::param_type)
2566         (hypergeometric_distribution::param_type)
2567         (logistic_distribution::param_type)
2568         (uniform_inside_sphere_distribution::param_type): Likewise.
2569         (uniform_on_sphere_distribution::param_type): Make default constructor
2570         non-explicit.
2571         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2572         Test param_type for non-explicit default constructor.
2573         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2574         Likewise.
2575         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2576         Likewise.
2577         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2578         Likewise.
2579         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2580         Likewise.
2581         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2582         Likewise.
2583         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2584         Likewise.
2585         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2586         Likewise.
2587         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2588         Likewise.
2589         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2590         Likewise.
2591         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2592         Likewise.
2593         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2594         Likewise.
2595         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2596         Likewise.
2597         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2598         Likewise.
2599         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2600         Likewise.
2601         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2602         Likewise.
2603         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2604         Likewise.
2605         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2606         Likewise.
2607         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2608         Likewise.
2609         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2610         Likewise.
2611         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2612         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2613         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2614         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2615         Likewise.
2616         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2617         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2618         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2619         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2620         Likewise.
2621         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2622         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2623         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2624         Likewise.
2625         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2626         Likewise.
2627         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2628         Likewise.
2629         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2630         Likewise.
2631
2632 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
2633             Jonathan Wakely  <jwakely@redhat.com>
2634
2635         PR libstdc++/83982
2636         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
2637         Default-construct new elements before moving existing ones.
2638         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
2639         New.
2640
2641 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
2642
2643         PR libstdc++/86127
2644         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
2645         unused typedef.
2646         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
2647         Use node allocator to create and destroy elements.
2648         (forward_list::_Tp_alloc_type): Remove unused typedef.
2649         (forward_list::_Alloc_traits): Use allocator_traits instead of
2650         __gnu_cxx::__alloc_traits.
2651
2652 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
2653
2654         * include/debug/helper_functions.h
2655         (__gnu_debug::_Safe_iterator<>): Add declaration.
2656         (__can_advance(_Ite, _Size)): New.
2657         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
2658         * include/debug/functions.h
2659         (__gnu_debug::_Safe_iterator<>): Remove declaration.
2660         * include/debug/stl_iterator.h
2661         (__can_advance(const _Safe_iterator<>&)): New definition.
2662         * include/debug/stl_iterator.h
2663         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
2664         (__can_advance(const std::move_iterator<>&, _Size)): New.
2665         * include/debug/macros.h (__glibcxx_check_can_increment): New.
2666         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
2667         * include/bits/stl_algobase.h (fill_n): Use latter.
2668         * testsuite/25_algorithms/fill_n/2.cc: New.
2669         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
2670         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
2671         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
2672         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
2673
2674         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
2675         (__glibcxx_requires_can_decrement_range): New.
2676
2677 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
2678
2679         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
2680         (__glibcxx_check_can_decrement_range): New.
2681         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
2682         __glibcxx_requires_can_increment_range.
2683         (std::move(_II, _II, _OI)): Likewise.
2684         (std::copy_backward(_BI, _BI, _BI2)): Use
2685         __glibcxx_requires_can_decrement_range.
2686         (std::move_backward(_BI, _BI, _BI2)): Likewise.
2687         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
2688         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
2689         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
2690         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
2691         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
2692         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
2693
2694 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
2695
2696         P0935R0 Eradicating unnecessarily explicit default constructors
2697         * include/bits/random.h (linear_congruential_engine)
2698         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
2699         (uniform_real_distribution, normal_distribution)
2700         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
2701         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
2702         (bernoulli_distribution, binomial_distribution,geometric_distribution)
2703         (negative_binomial_distribution, exponential_distribution)
2704         (weibull_distribution, extreme_value_distribution): Add non-explicit
2705         default constructors. Remove default argument for first parameter of
2706         explicit constructors.
2707         (piecewise_constant_distribution, piecewise_linear_distribution):
2708         Make default constructor non-explicit.
2709         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
2710         non-explicit default constructors. Remove default argument for first
2711         parameter of explicit constructor.
2712         * include/ext/random
2713         (simd_fast_mersenne_twister_engine, beta_distribution)
2714         (rice_distribution, nakagami_distribution, pareto_distribution)
2715         (k_distribution, arcsine_distribution, hoyt_distribution)
2716         (triangular_distribution, von_mises_distribution)
2717         (hypergeometric_distribution, logistic_distribution)
2718         (uniform_inside_sphere_distribution): Likewise.
2719         (uniform_on_sphere_distribution): Make default constructor
2720         non-explicit.
2721         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2722         Test for non-explicit default constructor. Fix references to standard.
2723         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2724         Likewise.
2725         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2726         Likewise.
2727         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2728         Likewise.
2729         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2730         Likewise.
2731         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2732         Likewise.
2733         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2734         Likewise.
2735         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2736         Likewise.
2737         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2738         Likewise.
2739         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2740         Likewise.
2741         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2742         Likewise.
2743         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2744         Likewise.
2745         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2746         Likewise.
2747         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2748         Likewise.
2749         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2750         Likewise.
2751         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2752         Likewise.
2753         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2754         Likewise.
2755         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2756         Likewise.
2757         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2758         Likewise.
2759         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2760         Likewise.
2761         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2762         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2763         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2764         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2765         Likewise.
2766         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2767         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2768         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2769         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2770         Likewise.
2771         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2772         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2773         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2774         Likewise.
2775         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2776         Likewise.
2777         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2778         Likewise.
2779         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2780         Likewise.
2781         * testsuite/util/testsuite_common_types.h
2782         (implicitly_default_constructible): New helper.
2783
2784 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
2785
2786         * include/bits/ios_base.h (ios::Init::Init(const Init&))
2787         (ios::Init::operator=): Define as defaulted.
2788         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
2789         Likewise.
2790         * include/bits/stream_iterator.h (istream_iterator::operator=)
2791         (ostream_iterator::operator=): Likewise.
2792         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
2793         Likewise.
2794         * include/std/bitset (bitset::reference::reference(const reference&)):
2795         Likewise.
2796         * include/std/complex (complex<float>::complex(const complex&))
2797         (complex<double>::complex(const complex&))
2798         (complex<long double>::complex(const complex&)): Likewise.
2799
2800 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
2801
2802         * include/bits/regex.h (sub_match): Add noexcept to default
2803         constructor and length observer.
2804         (match_results): Add noexcept to default constructor and observers
2805         with no preconditions. Define destructor as defaulted.
2806         (operator==, operator!=, swap): Add noexcept.
2807         (regex_iterator): Add default member initializers and define default
2808         constructor and destructor as defaulted. Add noexcept to equality
2809         and dereference operators.
2810
2811 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
2812
2813         * src/c++11/debug.cc
2814         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
2815         (_Safe_iterator_base::_M_detach_single()): Likewise.
2816         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
2817         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
2818
2819 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2820
2821         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
2822         move of const value.
2823
2824 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
2825
2826         PR c++/86068
2827         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
2828         rather than __cpp_transactional_memory >= 201505L.
2829
2830 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2831
2832         PR libstdc++/86008
2833         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
2834         Define new partial specialization.
2835         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
2836         new overload.
2837         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
2838         value not reference for iteration.
2839         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
2840         comment.
2841         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
2842         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
2843         comment.
2844
2845 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
2846
2847         * include/std/type_traits: Fix comment typos.
2848
2849         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
2850         mingw* targets.
2851         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2852         * testsuite/experimental/filesystem/operations/read_symlink.cc:
2853         Likewise.
2854
2855 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
2856
2857         * include/bits/stl_tempbuf.h
2858         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
2859         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
2860         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
2861         * include/bits/stl_algo.h (__stable_partition): Adapt.
2862         (__inplace_merge): Adapt.
2863         (__stable_sort): Adapt.
2864
2865 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
2866
2867         PR libstdc++/85930
2868         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
2869         unconditionally. Remove redundant declaration.
2870         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
2871         alignment-specifier.
2872
2873         * include/bits/postypes.h (fpos): Define special members as defaulted.
2874
2875         PR libstdc++/85930
2876         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
2877         the static variable correctly.
2878
2879 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2880
2881         PR libstdc++/78870 support std::filesystem on Windows
2882         * config.h.in: Regenerate.
2883         * configure: Regenerate.
2884         * configure.ac: Check for link, readlink and symlink.
2885         * include/bits/fs_path.h (path::operator/=(const path&)): Move
2886         definition out of class body.
2887         (path::is_absolute(), path::_M_append(path)): Likewise.
2888         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
2889         (operator>>(basic_istream, path&)): Likewise.
2890         (u8path): Reorder definitions and fix Windows implementation.
2891         (path::is_absolute()): Define inline and fix for Windows.
2892         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2893         Define POSIX version inline.
2894         (path::_M_append(path)): Define inline.
2895         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
2896         definition out of class body.
2897         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
2898         escape characters.
2899         (operator>>(basic_istream, path&)): Likewise.
2900         (path::is_absolute()): Define inline and fix for Windows.
2901         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
2902         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
2903         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
2904         Define as adaptors for Windows functions/types or as
2905         using-declarations for POSIX functions/types.
2906         (_Dir_base, get_file_type): Qualify names to use declarations from
2907         __gnu_posix namespace.
2908         (_Dir_base::is_dor_or_dotdot): New helper functions.
2909         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
2910         names to use declarations from __gnu_posix namespace.
2911         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
2912         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
2913         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
2914         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
2915         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
2916         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
2917         Define as adaptors for Windows functions/types or as
2918         using-declarations for POSIX functions/types.
2919         (stat_type, do_copy_file): Qualify names to use declarations from
2920         __gnu_posix namespace.
2921         (do_space): Declare new function.
2922         (make_file_type): Only use S_ISLNK if defined.
2923         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
2924         path::value_type not char.
2925         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2926         names to use declarations from __gnu_posix namespace.
2927         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2928         add implementation for Windows.
2929         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2930         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2931         [!_PC_PATH_MAX]: Don't use pathconf.
2932         [PATH_MAX]: Use if defined.
2933         (filesystem::current_path(const path&, error_code&))
2934         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2935         (filesystem::last_write_time, filesystem::permissions): Use names
2936         from __gnu_posix.
2937         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2938         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2939         implementation for Windows.
2940         (filesystem::rename, filesystem::resize_file): Use names from
2941         __gnu_posix.
2942         (filesystem::space): Use do_space.
2943         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
2944         (filesystem::status, filesystem::symlink_status): Use names from
2945         __gnu_posix.
2946         (filesystem::temp_directory_path): Add implementation for Windows.
2947         * src/filesystem/path.cc (dot): Define constant.
2948         (path::replace_extension): Use dot.
2949         (path::_M_find_extension): Likewise. Use path::string_type not
2950         std::string.
2951         (path::_M_split_cmpts): Use dot.
2952         (filesystem_error::_M_get_what): Use u8string() not native().
2953         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
2954         Qualify names to use declarations from __gnu_posix namespace.
2955         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
2956         correct error_code.
2957         (filesystem::absolute(const path&, error_code&)): Add implementation
2958         for Windows.
2959         (char_ptr, filesystem::canonical): Use path::value_type not char.
2960         (do_copy_file): Use names from __gnu_posix.
2961         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
2962         sendfile.
2963         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2964         names to use declarations from __gnu_posix namespace.
2965         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2966         add implementation for Windows.
2967         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2968         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2969         [!_PC_PATH_MAX]: Don't use pathconf.
2970         [PATH_MAX]: Use if defined.
2971         (filesystem::current_path(const path&, error_code&))
2972         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2973         (filesystem::last_write_time, filesystem::permissions): Use names
2974         from __gnu_posix.
2975         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2976         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2977         implementation for Windows.
2978         (filesystem::rename, filesystem::resize_file): Use names from
2979         __gnu_posix.
2980         (do_space): Define.
2981         (filesystem::space): Use do_space.
2982         (filesystem::status, filesystem::symlink_status): Use names from
2983         __gnu_posix.
2984         (filesystem::temp_directory_path): Add implementation for Windows.
2985         * src/filesystem/std-path.cc
2986         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2987         Define for Windows.
2988         (dot): Define constant.
2989         (path::replace_extension, is_dot): Use dot.
2990         (path::lexically_normal): Check _M_type instead of calling
2991         non-existent function.
2992         (path::_M_find_extension): Use dot. Use path::string_type not
2993         std::string.
2994         (path::_M_split_cmpts): Use dot.
2995         (filesystem_error::_M_get_what): Use u8string() not native().
2996         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
2997         use symlinks.
2998         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
2999         Likewise.
3000         * testsuite/27_io/filesystem/operations/absolute.cc: Use
3001         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
3002         * testsuite/27_io/filesystem/operations/canonical.cc: Use
3003         path::string() to get narrow string, not path::native().
3004         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
3005         with std::filesystem::path not std::basic_string.
3006         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3007         * testsuite/27_io/filesystem/operations/exists.cc: Use
3008         __gnu_test::root_path() instead of "/".
3009         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
3010         fstreams with std::filesystem::path not std::basic_string.
3011         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
3012         path::string() to get narrow string.
3013         * testsuite/27_io/filesystem/operations/space.cc: Check results for
3014         errors, expect sensible values otherwise.
3015         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
3016         helpers for adjusting the environment on Windows.
3017         * testsuite/27_io/filesystem/path/append/path.cc: Test
3018         Windows-specific behaviour.
3019         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
3020         of path::string_type objects.
3021         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
3022         string to wide string on Windows.
3023         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
3024         for backslash as root-directory.
3025         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
3026         path::string() to get narrow string.
3027         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
3028         paths.
3029         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
3030         not std::string.
3031         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
3032         different definintion of absolute paths on Windows.
3033         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3034         Do not use symlinks.
3035         * testsuite/experimental/filesystem/operations/absolute.cc: Test
3036         Windows behaviour.
3037         * testsuite/experimental/filesystem/operations/copy.cc: Construct
3038         fstreams with NTCTS not std::basic_string.
3039         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3040         * testsuite/experimental/filesystem/operations/exists.cc: Use
3041         __gnu_test::root_path() instead of "/".
3042         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
3043         fstreams with NTCTS not std::basic_string.
3044         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3045         Use path::string() to get narrow string.
3046         * testsuite/experimental/filesystem/operations/space.cc: Use
3047         __gnu_test::root_path() instead of "/".
3048         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3049         Add helpers for adjusting the environment on Windows.
3050         * testsuite/experimental/filesystem/path/append/path.cc: Use
3051         path::string() to get narrow strings for comparisons.
3052         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3053         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3054         Likewise.
3055         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3056         * testsuite/experimental/filesystem/path/native/string.cc: Use
3057         string_type not std::string.
3058         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
3059         Adjust for different definintion of absolute paths on Windows.
3060         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
3061         function.
3062         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
3063         std::basic_string.
3064
3065 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
3066
3067         PR libstdc++/85951
3068         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
3069         uint_least16_t and uint_least32_t.
3070         (__make_unsigned<wchar_t>): Define unconditionally.
3071         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
3072         typedefs.
3073         (__make_unsigned_selector_base): New type to provide helper templates.
3074         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
3075         __make_unsigned_selector_base helpers.
3076         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
3077         (__make_signed_selector<_Tp, true, false>): Remove intermediate
3078         typedefs.
3079         (__make_signed<wchar_t>, __make_signed<char16_t>)
3080         (__make_signed<char32_t>)): Define unconditionally.
3081         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
3082         wchar_t, char16_t and char32_t are transformed correctly.
3083         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
3084         dg-error lineno.
3085         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
3086         wchar_t, char16_t and char32_t are transformed correctly.
3087         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
3088         dg-error lineno.
3089
3090 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
3091
3092         * include/std/variant (__erased_dtor): Qualify call to __get.
3093
3094 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
3095
3096         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
3097         (_Rb_tree(const allocator_type&)): Use latter.
3098         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
3099         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
3100         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3101         * include/bits/stl_multimap.h
3102         (multimap(const allocator_type&)): Likewise.
3103         (multimap(initializer_list<value_type>, const allocator_type&)):
3104         Likewise.
3105         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
3106         Likewise.
3107         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
3108         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
3109         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3110         * include/bits/stl_multiset.h
3111         (multiset(const allocator_type&)): Likewise.
3112         (multiset(initializer_list<value_type>, const allocator_type&)):
3113         Likewise.
3114         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
3115         Likewise.
3116
3117 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
3118
3119         PR libstdc++/85768
3120         * src/c++11/debug.cc: Remove backtrace usage.
3121
3122 2018-05-24  Maya Rashish  <coypu@sdf.org>
3123
3124         PR target/85904
3125         * crossconfig.m4: Test for aligned_alloc on netbsd.
3126         * configure: Regenerate.
3127
3128 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3129
3130         PR libstdc++/69769
3131         PR libstdc++/85886
3132         * include/bits/atomic_base.h (__atomic_base::value_type)
3133         (__atomic_base::difference_type): Add new typedefs.
3134         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
3135         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
3136         (atomic<T*>::operator++, atomic<T*>::operator--)
3137         (atomic<T*>::operator+=, atomic<T*>::operator-=)
3138         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
3139         to enforce C++17 requirement on pointer arithmetic.
3140         (__atomic_val_t, __atomic_diff_t): New alias templates.
3141         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
3142         (atomic_compare_exchange_weak_explicit)
3143         (atomic_compare_exchange_strong_explicit, atomic_store)
3144         (atomic_exchange, atomic_compare_exchange_weak)
3145         (atomic_compare_exchange_strong): Use __atomic_val_t to make
3146         scalar parameters be non-deduced contexts.
3147         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3148         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
3149         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
3150         parameters.
3151         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
3152         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
3153         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
3154         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3155         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
3156         address types.
3157         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
3158         * testsuite/29_atomics/atomic/69769.cc: New test.
3159         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
3160         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
3161         Disable test for C++17 and later.
3162         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
3163         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
3164         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
3165         test.
3166
3167 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
3168
3169         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
3170         template to alias template.
3171         (path::__value_type_is_char): Use remove_const_t.
3172         (path:_S_string_from_iter): New helper function.
3173         (path::_S_convert(InputIter, __null_terminated))
3174         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3175         Use _S_string_from_iter.
3176         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
3177         rep for COW strings.
3178         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3179         Change from class template to alias template.
3180         (path::__value_type_is_char): Use remove_const.
3181         (path:_S_string_from_iter): New helper function.
3182         (path::_S_convert(InputIter, __null_terminated))
3183         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3184         Use _S_string_from_iter.
3185         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
3186         wide strings.
3187         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
3188         string equality, not path equivalence.
3189         * testsuite/27_io/filesystem/path/construct/format.cc: Check
3190         construction from std::string and std::wstring and input iterators.
3191         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
3192         construction from iterators.
3193         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
3194         exact string equality, not path equivalence.
3195         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
3196         construction from iterators.
3197
3198         * include/bits/fs_path.h (path::_M_type): Change default member
3199         initializer to _Filename.
3200         (path::begin): Create past-the-end iterator for empty path.
3201         * src/filesystem/std-path.cc (path::remove_filename()): Remove
3202         debugging check.
3203         (path::has_relative_path()): Return false for empty filenames.
3204         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
3205         Fix offset of empty final component.
3206         * testsuite/27_io/filesystem/path/itr/components.cc: New.
3207         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
3208
3209 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3210
3211         Add support for opening file streams from wide character strings.
3212         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
3213         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3214         Define new overload.
3215         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
3216         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3217         Declare new overload.
3218         * configure.ac: Check for _wfopen.
3219         * crossconfig.m4: Likewise.
3220         * configure: Regenerate.
3221         * config.h.in: Regenerate.
3222         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
3223         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3224         Define new overload.
3225         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
3226         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3227         Declare new overload.
3228         [_GLIBCXX_HAVE__WFOPEN]
3229         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3230         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
3231         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3232         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
3233         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3234         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
3235         new overloads.
3236         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
3237         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
3238         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
3239         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
3240         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
3241         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
3242         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
3243
3244 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
3245
3246         PR libstdc++/85845
3247         * include/bits/stl_tree.h
3248         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
3249         qualification.
3250
3251 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3252
3253         * src/filesystem/std-ops.cc (absolute): Report an error for empty
3254         paths.
3255         (weakly_canonical(const path&)): Do not call canonical on empty path.
3256         (weakly_canonical(const path&, error_code&)): Likewise.
3257         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
3258
3259         PR libstdc++/85818
3260         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
3261         dg-require-filesystem-ts.
3262
3263         PR libstdc++/85843
3264         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
3265         initialize base class to avoid warnings.
3266
3267 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
3268
3269         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
3270         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
3271         little_endian element in bitmask.
3272         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
3273         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
3274
3275 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
3276
3277         * include/bits/stl_tree.h
3278         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
3279         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
3280         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
3281         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
3282         * include/debug/map.h
3283         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
3284         * include/debug/multimap.h
3285         (multimap(multimap&&, const_allocator_type&)): Likewise.
3286         * include/debug/set.h
3287         (set(set&&, const_allocator_type&)): Likewise.
3288         * include/debug/multiset.h
3289         (multiset(multiset&&, const_allocator_type&)): Likewise.
3290         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
3291         Add checks.
3292         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
3293         Add checks.
3294         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
3295         Add checks.
3296         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
3297         Add checks.
3298         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
3299         Add checks.
3300         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
3301         Add checks.
3302         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
3303         Add checks.
3304         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
3305         Add checks.
3306
3307 2018-05-18  Jason Merrill  <jason@redhat.com>
3308
3309         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
3310         for conversion to const_iterator.  Add defaulted copy ops.
3311         * libsupc++/new (bad_alloc): Add defaulted copy ops.
3312         * libsupc++/exception.h (exception): Add defaulted copy ops.
3313         * include/std/system_error (system_error): Add defaulted copy ops.
3314         * include/std/stdexcept (domain_error, invalid_argument)
3315         (length_error, out_of_range, range_error, overflow_error)
3316         (underflow_error): Add defaulted copy ops.
3317         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
3318         copy assignment.
3319         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
3320         * include/ext/throw_allocator.h (condition_base): Add defaulted
3321         default and copy ctor and copy assignment.
3322
3323 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
3324
3325         PR libstdc++/85098
3326         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
3327         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
3328         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
3329         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
3330         definitions.
3331         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
3332         whitespace.
3333         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
3334         braces around body of do-while.
3335         * testsuite/28_regex/basic_regex/85098.cc: New
3336
3337 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
3338
3339         PR libstdc++/85818
3340         * src/filesystem/path.cc (path::preferred_separator): Add used
3341         attribute.
3342         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
3343
3344         PR libstdc++/85812
3345         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
3346         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
3347         Refactor to separate non-throwing and throwing implementations.
3348         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
3349         if constructing the object throws.
3350
3351 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
3352
3353         PR libstdc++/85749
3354         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
3355         (linear_congruential_engine, mersenne_twister_engine)
3356         (subtract_with_carry_engine, discard_block_engine)
3357         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
3358         constrain function templates taking seed sequences.
3359         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
3360         (mersenne_twister_engine::seed(_Sseq&))
3361         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
3362         match declarations.
3363         * include/ext/random (simd_fast_mersenne_twister_engine): Use
3364         __is_seed_seq to constrain function templates taking seed sequences.
3365         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
3366         Change return type to match declaration.
3367         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
3368         New.
3369         * testsuite/26_numerics/random/independent_bits_engine/cons/
3370         seed_seq2.cc: New.
3371         * testsuite/26_numerics/random/linear_congruential_engine/cons/
3372         seed_seq2.cc: New.
3373         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
3374         seed_seq2.cc: New.
3375         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
3376         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
3377         New.
3378         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
3379         seed_seq2.cc: New.
3380         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
3381         seed_seq2.cc: New.
3382
3383         PR libstdc++/83891
3384         * include/bits/fs_path.h (path::is_absolute()): Use same definition
3385         for all operating systems.
3386         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
3387         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
3388         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
3389         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
3390
3391         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
3392         unused <vector> header.
3393         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3394         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3395         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3396         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3397         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
3398         Likewise.
3399         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3400         Likewise.
3401         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3402         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3403         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3404         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3405         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3406         Likewise.
3407         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3408         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3409         Likewise.
3410         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3411         Likewise.
3412         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3413         Likewise.
3414         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3415         Likewise.
3416         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3417         Likewise.
3418         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3419         Likewise.
3420         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3421         Likewise.
3422         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3423         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3424         Likewise.
3425
3426         PR libstdc++/84159
3427         * include/bits/fs_path.h (path::operator/=, path::append): Construct
3428         temporary path before calling _M_append.
3429         (path::_M_append): Change parameter to path and implement C++17
3430         semantics.
3431         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
3432         and more examples from the standard.
3433         * testsuite/27_io/filesystem/path/append/source.cc: New.
3434         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
3435         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
3436
3437         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
3438         __invoke to prevent ADL.
3439
3440 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
3441
3442         PR libstdc++/81256
3443         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
3444         exceptions from _M_terminate_output().
3445         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
3446         exceptions from close().
3447         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
3448
3449         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
3450         (__valarray_get_storage): Call operator new directly. Remove ignored
3451         top-level restrict qualifier and add malloc attribute instead.
3452         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
3453
3454         PR libstdc++/67554
3455         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
3456         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
3457
3458         PR libstdc++/82966
3459         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
3460         instead of type.
3461         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
3462
3463 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3464
3465         PR libstdc++/80165
3466         * testsuite/20_util/variant/80165.cc: New.
3467
3468 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3469
3470         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
3471         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
3472         of C++11 containers with Debug Mode support.
3473         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
3474         * doc/html/*: Regenerate.
3475
3476 2018-05-10  Jason Merrill  <jason@redhat.com>
3477
3478         * include/bits/regex_compiler.h (_S_cache_size): Change from
3479         function to variable.
3480
3481 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
3482
3483         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
3484         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
3485         argument defaulted to +1.  Doxy comments on same.
3486         * testsuite/special_functions/02_assoc_legendre/
3487         check_value.cc: Regen.
3488         * testsuite/tr1/5_numerical_facilities/special_functions/
3489         02_assoc_legendre/check_value.cc: Regen.
3490
3491 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3492
3493         PR libstdc++/85729
3494         * include/bits/c++config.h (__replacement_assert): Add linkage
3495         specification.
3496         * include/bits/std_abs.h: Add comment to closing brace of block.
3497         * include/c_global/cstddef: Add linkage specification.
3498         * include/c_global/cstring: Likewise.
3499         * include/c_global/cwchar: Likewise.
3500
3501 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
3502
3503         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
3504         Rename in...
3505         (_Safe_iterator<>::_S_constant()): ...that.
3506         * include/debug/safe_local_iterator.h
3507         (_Safe_local_iterator<>::_M_constant()): Rename in...
3508         (_Safe_local_iterator<>::_S_constant()): ...that.
3509         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
3510         (_Iterator_state::__rbegin): New.
3511         (_Iterator_state::__rmiddle): New.
3512         (_Iterator_state::__rend): New.
3513         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
3514         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
3515         iterator type.
3516         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
3517         _Is_iterator)): Likewise.
3518         (_Parameter::_S_reverse_state(_Iterator_state)): New.
3519         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
3520         _Is_iterator)): New.
3521         (_Parameter(std::reverse_iterator<> const&, const char*,
3522         _Is_iterator)): New.
3523         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
3524         const char*, _Is_iterator)): New.
3525         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
3526         New.
3527         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
3528         _Is_iterator)): New.
3529         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
3530         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
3531         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
3532
3533 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
3534
3535         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
3536         Use constexpr if in C++17 mode.
3537         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
3538         Copy from const object.
3539         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
3540
3541 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
3542
3543         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
3544         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
3545         backtrace.
3546
3547         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
3548         * include/debug/functions.h (__check_valid_range): Use latter.
3549         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
3550         use latter.
3551         * include/debug/deque
3552         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3553         * include/debug/forward_list
3554         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
3555         Likewise.
3556         * include/debug/list
3557         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3558         * include/debug/list
3559         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3560         * include/debug/map.h
3561         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3562         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3563         Likewise.
3564         * include/debug/multimap.h
3565         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3566         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
3567         const _Alloc&)): Likewise.
3568         * include/debug/set.h
3569         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3570         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3571         Likewise.
3572         * include/debug/multiset.h
3573         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3574         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
3575         const _Alloc&)): Likewise.
3576         * include/debug/string
3577         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
3578         Likewise.
3579         * include/debug/unordered_map
3580         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
3581         Likewise.
3582         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
3583         const _Alloc&)): Likewise.
3584         * include/debug/unordered_set
3585         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
3586         Likewise.
3587         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
3588         const _Alloc&)): Likewise.
3589         * include/debug/vector
3590         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3591
3592         * include/debug/formatter.h (_Error_formatter::_M_function): New.
3593         (_Error_formatter(const char*, unsigned int)): Adapt.
3594         (_Error_formatter::_M_at): Rename in...
3595         (_Error_formatter::_S_at): ...that and adapt.
3596         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
3597         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
3598         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
3599         when available.
3600
3601 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
3602
3603         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
3604         Use normal std::vector even in Debug Mode.
3605
3606         PR libstdc++/85672
3607         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
3608         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
3609         * include/Makefile.in: Regenerate.
3610         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
3611         within conditional block.
3612
3613 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
3614
3615         * doc/xml/manual/using.xml (table.cmd_options): Document that the
3616         C++17 Filesystem implementation also needs -lstdc++fs.
3617
3618         PR libstdc++/85671
3619         * include/bits/fs_path.h (operator/): Permit copy elision.
3620         * include/experimental/bits/fs_path.h (operator/): Likewise.
3621
3622 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
3623
3624         Moar PR libstdc++/80506
3625         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
3626         Fix magic number used in loop condition.
3627
3628 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
3629
3630         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
3631         * include/std/optional (_Optional_payload): Add noexcept to default
3632         constructor. Re-indent.
3633         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
3634         constructor for copying disengaged payloads.
3635         (_Optional_payload<_Tp, true, false, true>): Likewise.
3636         (_Optional_payload<_Tp, true, true, false>): Likewise.
3637         (_Optional_payload<_Tp, true, false, false>): Likewise.
3638         * testsuite/20_util/optional/cons/85642.cc: New.
3639         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
3640
3641 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
3642
3643         PR libstdc++/82644
3644         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
3645         inline definitions instead of using-declarations.
3646         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
3647         * testsuite/tr1/5_numerical_facilities/special_functions/
3648         07_conf_hyperg/compile_cxx17.cc: New.
3649         * testsuite/tr1/5_numerical_facilities/special_functions/
3650         17_hyperg/compile_cxx17.cc: New.
3651
3652         PR libstdc++/84769
3653         * include/std/variant (visit): Qualify std::get call.
3654
3655         PR libstdc++/85632 use uintmax_t for arithmetic
3656         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
3657         arithmetic in result type.
3658         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
3659         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
3660         is greater than free space.
3661         * testsuite/experimental/filesystem/operations/space.cc: New.
3662
3663         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
3664         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
3665         New.
3666         * testsuite/20_util/remove_cvref/value.cc: New.
3667         * testsuite/20_util/remove_cvref/value_ext.cc: New.
3668
3669         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
3670         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
3671         (append(const basic_string&, size_type, size_type)
3672         (assign(const basic_string&, size_type, size_type)
3673         (insert(size_type, const basic_string&, size_type, size_type)
3674         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3675         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3676         Add default arguments (LWG 2268).
3677         [_GLIBCXX_USE_CXX11_ABI=0]
3678         (append(const basic_string&, size_type, size_type)
3679         (assign(const basic_string&, size_type, size_type)
3680         (insert(size_type, const basic_string&, size_type, size_type)
3681         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3682         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3683         Likewise.
3684         * testsuite/21_strings/basic_string/dr2268.cc: New test.
3685
3686         PR libstdc++/84535
3687         * include/std/thread (thread::__not_same): New SFINAE helper.
3688         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
3689         first argument is not a std::thread. Add static assertion to check
3690         INVOKE expression is valid.
3691         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
3692         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
3693         __invoke_result for return types and remove exception specifications.
3694         * testsuite/30_threads/thread/cons/84535.cc: New.
3695
3696         * include/std/future (__async_result_of): Use __invoke_result instead
3697         of result_of.
3698
3699         * include/std/any (any_cast): Use __remove_cvref_t.
3700         * include/std/tuple (__make_tuple): Likewise.
3701         * include/std/type_traits (__remove_cvref_t): Define.
3702         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
3703         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
3704         * include/std/variant (__erased_hash): Use __remove_cvref_t.
3705
3706 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
3707
3708         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
3709         ensure overloaded comma not used.
3710         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
3711         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
3712         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
3713         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
3714         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
3715         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
3716         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
3717
3718 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
3719
3720         PR libstdc++/68197
3721         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
3722         indices to unsigned.
3723         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
3724         as failure. Refactor error handling.
3725         * testsuite/27_io/ios_base/storage/68197.cc: New.
3726
3727         PR libstdc++/57997
3728         PR libstdc++/83860
3729         * include/bits/gslice_array.h (gslice_array): Define default
3730         constructor as deleted, as per C++11 standard.
3731         * include/bits/mask_array.h (mask_array): Likewise.
3732         * include/bits/slice_array.h (slice_array): Likewise.
3733         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
3734         to namespace __detail.
3735         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
3736         members.
3737         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
3738         of data members in closure objects.
3739         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
3740         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
3741         __detail.
3742         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
3743         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
3744         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
3745         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
3746         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
3747         using-declarations to namespace std.
3748         * testsuite/26_numerics/valarray/83860.cc: New.
3749
3750         * testsuite/backward/strstream_move.cc: Remove duplicate function
3751         call.
3752
3753         PR libstdc++/69608
3754         * include/backward/strstream (strstreambuf): Define move constructor
3755         and move assignment operator.
3756         (istrstream, ostrstream, strstream): Likewise.
3757         * testsuite/backward/strstream_move.cc: New.
3758
3759 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
3760
3761         PR libstdc++/84654
3762         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
3763         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
3764         * configure: Regenerate.
3765         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
3766         based on ENABLE_FLOAT128.
3767         * include/Makefile.in: Regenerate.
3768         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
3769         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
3770         _GLIBCXX_USE_FLOAT128.
3771
3772 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3773
3774         * configure: Regenerated.
3775
3776 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
3777
3778         * configure: Regenerated.
3779
3780 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3781             Jakub Jelinek  <jakub@redhat.com>
3782
3783         PR libstdc++/85442
3784         * src/c++11/Makefile.am: Don't generate debuginfo again for
3785         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
3786         * src/c++11/Makefile.in: Regenerate.
3787
3788 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3789
3790         PR libstdc++/84442
3791         * testsuite/30_threads/thread/cons/terminate.cc
3792         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
3793
3794 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
3795
3796         PR jit/85384
3797         * configure: Regenerate.
3798
3799 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
3800
3801         * testsuite/experimental/filesystem/file_status/1.cc: Add
3802         -DUSE_FILESYSTEM_TS to dg-options.
3803         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3804         Likewise.
3805         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
3806         * testsuite/experimental/filesystem/iterators/
3807         recursive_directory_iterator.cc: Likewise.
3808         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
3809         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3810         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3811         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3812         * testsuite/experimental/filesystem/operations/create_directories.cc:
3813         Likewise.
3814         * testsuite/experimental/filesystem/operations/create_directory.cc:
3815         Likewise.
3816         * testsuite/experimental/filesystem/operations/create_symlink.cc:
3817         Likewise.
3818         * testsuite/experimental/filesystem/operations/current_path.cc:
3819         Likewise.
3820         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
3821         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3822         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
3823         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3824         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3825         Likewise.
3826         * testsuite/experimental/filesystem/operations/permissions.cc:
3827         Likewise.
3828         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3829         Likewise.
3830         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3831         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
3832         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
3833         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3834         Likewise.
3835         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
3836         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
3837         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
3838         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
3839         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
3840         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
3841         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3842         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
3843         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
3844         * testsuite/experimental/filesystem/path/construct/default.cc:
3845         Likewise.
3846         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
3847         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
3848         * testsuite/experimental/filesystem/path/construct/string_view.cc:
3849         Likewise.
3850         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3851         Likewise.
3852         * testsuite/experimental/filesystem/path/decompose/filename.cc:
3853         Likewise.
3854         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
3855         Likewise.
3856         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
3857         Likewise.
3858         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3859         Likewise.
3860         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
3861         Likewise.
3862         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
3863         Likewise.
3864         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3865         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
3866         Likewise.
3867         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
3868         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
3869         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
3870         Likewise.
3871         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
3872         Likewise.
3873         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
3874         Likewise.
3875         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
3876         Likewise.
3877         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
3878         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
3879         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
3880         Likewise.
3881         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3882         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3883         Likewise.
3884         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3885         Likewise.
3886         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3887         Likewise.
3888         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3889         Likewise.
3890         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3891         Likewise.
3892         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3893         Likewise.
3894         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3895         Likewise.
3896         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3897         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3898         Likewise.
3899
3900 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
3901
3902         * src/c++11/Makefile.am: Fix sed command.
3903         * src/c++11/Makefile.in: Regenerate.
3904
3905         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
3906         handle mangled names starting with double underscores on darwin.
3907         * src/c++11/Makefile.in: Regenerate.
3908
3909 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
3910
3911         * src/c++11/Makefile.am: Fix comment.
3912         * src/c++11/Makefile.in: Regenerate.
3913         * src/c++11/cxx11-ios_failure.cc: Fix comment.
3914         * src/c++98/ios_failure.cc: Likewise.
3915
3916         * src/c++11/ios.cc: Remove redundant macro definition.
3917
3918 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
3919
3920         * doc/xml/manual/abi.xml: Document header locations in recent
3921         releases.
3922         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
3923         * doc/xml/manual/spine.xml: Update copyright years.
3924         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
3925         undefined behaviour.
3926         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
3927         * doc/html/*: Regenerate.
3928
3929 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
3930
3931         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
3932         * doc/xml/manual/backwards_compatibility.xml: Likewise.
3933         * doc/xml/manual/containers.xml: Likewise.
3934         * doc/xml/manual/debug_mode.xml: Likewise.
3935         * doc/xml/manual/extensions.xml: Likewise.
3936         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
3937         * doc/xml/manual/using.xml: Likewise.
3938         * doc/xml/manual/utilities.xml: Likewise.
3939
3940         PR libstdc++/85222
3941         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
3942         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
3943         * src/c++11/Makefile.in: Regenerate.
3944         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
3945         New types.
3946         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3947         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
3948         * src/c++98/ios_failure.cc (__construct_ios_failure)
3949         (__destroy_ios_failure, is_ios_failure_handler): New functions.
3950         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3951         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
3952         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
3953         handler types, to always catch std::ios_base::failure.
3954         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3955         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3956         exceptions_failbit.cc: Likewise.
3957         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3958         exceptions_failbit.cc: Likewise.
3959         * testsuite/27_io/basic_istream/extractors_other/char/
3960         exceptions_null.cc: Likewise.
3961         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3962         exceptions_null.cc: Likewise.
3963         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3964         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3965         * testsuite/27_io/basic_ostream/inserters_other/char/
3966         exceptions_null.cc: Likewise.
3967         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3968         exceptions_null.cc: Likewise.
3969         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3970
3971 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
3972
3973         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
3974         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
3975
3976 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
3977
3978         PR libstdc++/85183
3979         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
3980         value categories.
3981         * testsuite/20_util/variant/85183.cc: New.
3982
3983 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
3984
3985         * include/std/variant (__get): Qualify calls to avoid ADL.
3986         (__select_index): Adjust whitespace.
3987         (variant): Add using-declaration to workaround Clang bug.
3988
3989 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
3990
3991         PR libstdc++/85040
3992         * include/bits/stl_function.h (greater::__not_overloaded)
3993         (less::__not_overloaded, greater_equal::__not_overloaded)
3994         (less_equal::__not_overloaded): Fix ambiguous specializations.
3995         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
3996         tests for type with overloaded operators.
3997
3998 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
3999
4000         PR libstdc++/77691
4001         * testsuite/experimental/memory_resource/resource_adaptor.cc:
4002         xfail execution on 32-bit Solaris/x86.
4003
4004 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
4005
4006         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
4007         VERIFY instead of assert.
4008         * testsuite/20_util/hash/84998.cc: New test.
4009         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
4010         copy of test adjusted for Debug Mode.
4011         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
4012         test in Debug Mode.
4013
4014 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
4015
4016         PR libstdc++/84998
4017         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
4018         * include/std/bitset: Likewise.
4019         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
4020         declaration.
4021         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
4022         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
4023         * include/bits/stl_set.h (std::set<>): Likewise.
4024         * include/bits/unordered_map.h (std::unordered_map<>): Fix
4025         _Hash_merge_helper friend declaration.
4026         (std::unordered_multimap<>): Likewise.
4027         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
4028         (std::unordered_multiset<>): Likewise.
4029
4030 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4031
4032         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
4033         trailing slash for domain level link.
4034         * doc/xml/faq.xml: Ditto.
4035         * doc/xml/manual/appendix_free.xml (software): Ditto.
4036         * doc/xml/manual/intro.xml: Ditto.
4037         * doc/xml/manual/spine.xml: Ditto.
4038         * doc/xml/spine.xml: Ditto.
4039
4040 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4041
4042         * doc/xml/manual/documentation_hacking.xml: Adjust link to
4043         docbook.org.
4044
4045 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
4046
4047         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
4048         to compile as C++98.
4049
4050 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
4051
4052         PR libstdc++/78420
4053         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
4054         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
4055         to ensure total order for pointers.
4056         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
4057         Add operator() overloads for pointer arguments and make generic
4058         overloads dispatch to new _S_cmp functions when comparisons would
4059         use built-in operators for pointers.
4060         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
4061
4062 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
4063
4064         PR libstdc++/84773
4065         PR libstdc++/83662
4066         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
4067         * configure: Regenerate.
4068         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
4069         (aligned_alloc): Add using-declaration.
4070         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
4071
4072 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
4073
4074         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
4075         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
4076         registration.
4077
4078 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
4079
4080         PR libstdc++/84769
4081         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
4082         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
4083
4084         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
4085         src/filesystem/std-ops.cc (create_dir): Likewise.
4086
4087 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
4088
4089         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
4090         (StdListIteratorPrinter): Inherit from latter.
4091         (StdFwdListIteratorPrinter): New, inherit from latter.
4092         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
4093         when iterator has no associated container.
4094         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
4095         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
4096         registrations.
4097         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
4098         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
4099
4100 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
4101
4102         PR libstdc++/84601
4103         * include/std/optional (_Optional_payload): Split into multiple
4104         specializations that can handle different cases of trivial or
4105         non-trivial assignment operators.
4106         * testsuite/20_util/optional/84601.cc: New.
4107         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4108
4109 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
4110
4111         PR libstdc++/84671
4112         * include/bits/parse_numbers.h (_Number_help): Add partial
4113         specialization to handle digit separators. Adjust partial
4114         specialization for recursion temrination to require _Pow == 1ULL.
4115         * testsuite/20_util/duration/literals/84671.cc: New
4116
4117 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
4118
4119         Implement the missing bits of LWG 2769
4120         * include/std/any (any_cast(const any&)): Add static_assert.
4121         (any_cast(any&)): Likewise.
4122         (any_cast(any&&)): Likewise, and remove the handling
4123         for copyable-but-not-movable type.
4124         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
4125         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
4126         add new tests.
4127
4128 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
4129
4130         PR libstdc++/84532
4131         * include/std/thread (thread::__make_invoker): Construct tuple
4132         directly instead of using make_tuple.
4133         * testsuite/30_threads/async/84532.cc: New.
4134         * testsuite/30_threads/thread/84532.cc: New.
4135
4136 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
4137
4138         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
4139         (template<> __aligned_buffer): Define as __aligned_membuf alias.
4140
4141 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4142
4143         PR target/84148
4144         * configure: Regenerate.
4145
4146 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
4147
4148         PR libstdc++/81797
4149         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
4150         * configure: Regenerate.
4151         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
4152         defined.
4153         * include/Makefile.in: Regenerate.
4154
4155 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
4156
4157         PR libstdc++/83833
4158         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
4159         Add -ffloat-store to options for m68k and ia32.
4160
4161         * doc/xml/faq.xml: Update copyright years.
4162         * doc/html/*: Regenerate.
4163
4164         PR libstdc++/83658
4165         * include/std/any (any::__do_emplace): Only set _M_manager after
4166         constructing the contained object.
4167         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
4168         * testsuite/20_util/any/modifiers/83658.cc: New test.
4169
4170 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
4171
4172         PR libstdc++/81076
4173         * include/c_global/cstddef (__byte_operand): Define primary template.
4174         * testsuite/18_support/byte/81076.cc: New test.
4175
4176 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
4177
4178         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
4179         dg-options and dg-add-options order.
4180         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
4181         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
4182         Likewise.
4183         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
4184         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
4185         Likewise.
4186         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
4187         Likewise.
4188         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
4189         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
4190         Likewise.
4191         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
4192         Likewise.
4193         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
4194         Likewise.
4195         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
4196         Likewise.
4197         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
4198         Likewise.
4199         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
4200         Likewise.
4201         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
4202         Likewise.
4203         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
4204         Likewise.
4205         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
4206         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
4207         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
4208         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
4209         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
4210         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
4211         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
4212         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
4213         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
4214         Likewise.
4215         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
4216         Likewise.
4217         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
4218         Likewise.
4219         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
4220         Likewise.
4221
4222 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
4223
4224         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
4225         include linux/types.h when checking linux/random.h header.
4226         * config.h.in: Regenerate.
4227         * configure: Ditto.
4228         * src/c++11/random.cc: Conditionally include linux/types.h.
4229
4230 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
4231
4232         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
4233
4234 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
4235
4236         PR libstdc++/83834
4237         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
4238         pattern with exact match for std::cerr.
4239
4240 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4241
4242         PR libstdc++/83833
4243         * include/bits/random.h (chi_squared_distribution::param): Update
4244         gamma distribution parameter.
4245         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
4246         test.
4247
4248         PR libstdc++/83830
4249         * include/std/type_traits (has_unique_object_representations_v): Add
4250         variable template.
4251         * testsuite/20_util/has_unique_object_representations/value.cc: Check
4252         variable template.
4253
4254 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
4255
4256         Make optional conditionally
4257         trivially_{copy,move}_{constructible,assignable}
4258         * include/std/optional (_Optional_payload): Fix the comment in
4259         the class head and turn into a primary and one specialization.
4260         (_Optional_payload::_M_engaged): Strike the NSDMI.
4261         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
4262         New.
4263         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
4264         Likewise.
4265         (_Optional_payload<_Tp, false>::_M_get): Likewise.
4266         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
4267         (_Optional_base_impl): Likewise.
4268         (_Optional_base): Turn into a primary and three specializations.
4269         (optional(nullopt)): Change the base init.
4270         * testsuite/20_util/optional/assignment/8.cc: New.
4271         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
4272         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4273
4274 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4275
4276         PR libstdc++/80276
4277         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
4278         (get_template_arg_list): New.
4279         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
4280         instead.
4281         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
4282         of strings and regular expressions.
4283         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
4284         (FilteringTypePrinter): Add docstring. Match using startswith. Use
4285         strip_inline_namespaces instead of strip_versioned_namespace.
4286         (add_one_type_printer): Prepend namespace to match argument.
4287         (register_type_printers): Add type printers for char16_t and char32_t
4288         string types and for types using cxx11 ABI. Update calls to
4289         add_one_template_type_printer to provide default argument dicts.
4290         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
4291         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
4292         basic_string<unsigned char> and basic_string<signed char>.
4293         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
4294         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
4295
4296 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
4297
4298         PR libstdc++/81092
4299         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
4300
4301 2018-01-13  Tim Shen  <timshen@google.com>
4302
4303         PR libstdc++/83601
4304         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
4305         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
4306         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
4307
4308 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4309
4310         PR libstdc++/64054
4311         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
4312         Remove dg-xfail-run-if.
4313
4314 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
4315
4316         * include/bits/forward_list.h
4317         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
4318         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
4319         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
4320         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
4321         (_Fwd_list_impl()): Add noexcept qualification.
4322         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
4323         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
4324         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
4325         (_Fwd_list_base()): Default.
4326         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
4327         (_Fwd_list_base(_Fwd_list_base&&)): Default.
4328         (forward_list<>()): Default.
4329         (forward_list<>(forward_list&&)): Default.
4330         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
4331         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
4332         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
4333         * include/bits/forward_list.tcc
4334         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
4335         _M_impl._M_head move assignment.
4336         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
4337         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
4338
4339 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
4340
4341         PR libstdc++/80276
4342         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
4343         (UniquePointerPrinter): Print correct template argument, not type of
4344         the pointer.
4345         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
4346         a type.
4347         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
4348         array type.
4349         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
4350         weak_ptr of array types.
4351
4352 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
4353
4354         PR libstdc++/83709
4355         * include/bits/hashtable_policy.h
4356         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
4357         __first != __last.
4358         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
4359         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
4360         Add false_type parameter.
4361         (_Insert_base::insert): Adapt.
4362         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
4363         Adapt.
4364         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
4365          Add __n_elt parameter, defaulted to 1.
4366         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
4367         policy _M_need_rehash.
4368         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
4369         produce only 1 rehash if necessary.
4370         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
4371         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
4372
4373 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
4374             Jonathan Wakely  <jwakely@redhat.com>
4375
4376         PR libstdc++/59253 (partial)
4377         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
4378         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
4379         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
4380         children.
4381         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
4382         of unique_ptr printer.
4383         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
4384         output of shared_ptr printer.
4385
4386 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
4387
4388         PR libstdc++/83626
4389         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
4390         unnecessary symlink_status call.
4391         (remove_all(const path&, error_code&)): Use filesystem::remove.
4392         * src/filesystem/std-ops.cc: Likewise.
4393
4394         PR libstdc++/83279
4395         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
4396         sendfile.
4397
4398         PR libstdc++/83626
4399         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
4400         report an error for ENOENT.
4401         (remove_all(const path&)): Fix type of result variable.
4402         (remove_all(const path&, error_code&)): Use non-throwing increment
4403         for directory iterator. Call POSIX remove directly to avoid redundant
4404         calls to symlink_status. Do not report errors for ENOENT.
4405         * src/filesystem/std-ops.cc: Likewise.
4406         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
4407         overload.
4408         * testsuite/experimental/filesystem/operations/remove_all.cc:
4409         Likewise.
4410
4411 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
4412
4413         PR libstdc++/83626
4414         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
4415         redundant call to ec.clear().
4416         (remove_all(const path&, error_code&))): Do not return an error for
4417         non-existent paths.
4418         * src/filesystem/std-ops.cc: Likewise.
4419         * testsuite/27_io/filesystem/operations/remove.cc: New test.
4420         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
4421         results for non-existent paths.
4422         * testsuite/experimental/filesystem/operations/remove.cc: New test.
4423         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
4424         expected results for non-existent paths.
4425
4426         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
4427         check status_known once.
4428         * include/experimental/bits/fs_ops.h: Likewise.
4429
4430         PR libstdc++/83607
4431         * include/std/functional (__is_byte_like): New trait.
4432         (__is_std_equal_to): Remove.
4433         (__boyer_moore_base_t): Use __is_byte_like instead of
4434         __is_std_equal_to.
4435         * include/experimental/functional (__is_std_equal_to): Remove.
4436         (__boyer_moore_base_t): Use __is_byte_like instead of
4437         __is_std_equal_to.
4438         * testsuite/20_util/function_objects/83607.cc: New test.
4439
4440 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
4441
4442         Protect optional's deduction guide with the feature macro
4443         * include/std/optional: Use the feature macro.
4444
4445 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4446
4447         Update copyright years.
4448 \f
4449 Copyright (C) 2018 Free Software Foundation, Inc.
4450
4451 Copying and distribution of this file, with or without modification,
4452 are permitted in any medium without royalty provided the copyright
4453 notice and this notice are preserved.