libstdc++-v3/ChangeLog

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