libstdc++-v3/ChangeLog

   1 2018-09-25  Mike Crowe  <mac@mcrowe.com>
   2
   3         * include/std/condition_variable (condition_variable::wait_for): Use
   4         steady clock in overload that uses a predicate.
   5
   6 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
   7
   8         PR libstdc++/87431
   9         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
  10         Avoid runtime test when all alternatives are scalars and so cannot
  11         throw during initialization.
  12
  13 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
  14
  15         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
  16         to https.
  17
  18 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
  19
  20         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
  21         to "Priority Queues and the STL".
  22
  23 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
  24
  25         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
  26         https.
  27
  28 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
  29
  30         PR libstdc++/87135
  31         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
  32         Use __builtin_floor to compute _M_next_resize.
  33         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
  34         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
  35         Adapt.
  36
  37 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
  38
  39         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
  40         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
  41         long double unconditionally, but use lower tolerance when
  42         sizeof(long double) == sizeof(double).
  43
  44 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
  45
  46         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
  47         on arm*.
  48
  49 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
  50
  51         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
  52         Remove __glibcxx_assert statements and use map::find instead of
  53         map::operator[].
  54
  55 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
  56
  57         PR libstdc++/87135
  58         * src/c++11/hashtable_c++0x.cc:
  59         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
  60         requested size, but not necessarily greater.
  61         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
  62         strictly greater than next resize threshold.
  63         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
  64         to validate that there is no rehash as long as number of insertion is
  65         lower or equal to the reserved number of elements.
  66
  67 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
  68
  69         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
  70         checking invocable condition.
  71         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
  72         here, where types must be complete. Pass pointer to deleter as an
  73         rvalue.
  74         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
  75
  76 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
  77
  78         * include/std/variant (variant) [__clang__]: Limit workaround to
  79         Clang 7 and older.
  80
  81 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
  82
  83         PR libstdc++/87278
  84         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
  85         remove_const.
  86         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
  87
  88         Implement LWG 2905 changes to constrain unique_ptr constructors
  89         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
  90         check deleter type.
  91         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
  92         constructible constraint.
  93         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
  94         deleters of reference type and add move constructible constraint.
  95         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
  96         Disable for deleters of non-reference type. Define as deleted.
  97         (unique_ptr<T[], D>): Likewise.
  98         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
  99         directives with unstable line numbers with dg-prune-output.
 100         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
 101         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
 102         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
 103         Make deleter types invocable.
 104
 105 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
 106
 107         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
 108
 109 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
 110
 111         PR libstdc++/78179
 112         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
 113         that runs the long double part of hypot.cc.
 114         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
 115         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
 116
 117         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
 118         Return raw pointer not allocator's pointer type.
 119         (vector::_Temporary_value::_M_val): Use _M_ptr.
 120
 121         PR libstdc++/87194
 122         * include/bits/stl_map.h
 123         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
 124         (map::map(initializer_list<value_type>, const Alloc&))
 125         (map::map(InputIterator, InputIterator, const Alloc&))
 126         (map::map(InputIterator, InputIterator))
 127         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
 128         (map::insert(InputIterator, InputIterator)):
 129         Call _M_insert_range_unique instead of _M_insert_unique.
 130         * include/bits/stl_multimap.h
 131         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
 132         (multimap::multimap(initializer_list<value_type>, const A&))
 133         (multimap::multimap(InputIterator, InputIterator, const A&))
 134         (multimap::multimap(InputIterator, InputIterator))
 135         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
 136         (multimap::insert(InputIterator, InputIterator)): Call
 137         _M_insert_range_equal instead of _M_insert_equal.
 138         * include/bits/stl_multiset.h
 139         (multiset::multiset(InputIterator, InputIterator))
 140         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
 141         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
 142         (multiset::multiset(initializer_list<value_type>, const A&))
 143         (multiset::multiset(InputIterator, InputIterator, const A&))
 144         (multiset::insert(InputIterator, InputIterator)): Call
 145         _M_insert_range_equal instead of _M_insert_equal.
 146         * include/bits/stl_set.h
 147         (set::set(InputIterator, InputIterator))
 148         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
 149         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
 150         (set::set(initializer_list<value_type>, const Alloc&))
 151         (set::set(InputIterator, InputIterator, const Alloc&))
 152         (set::insert(InputIterator, InputIterator)):
 153         Call _M_insert_range_unique instead of _M_insert_unique.
 154         * include/bits/stl_tree.h
 155         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
 156         template for SFINAE constraints.
 157         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
 158         constrained overloads that either insert or emplace, depending on
 159         iterator's value_type.
 160         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
 161         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
 162         (_Rb_tree::_M_insert_range_equal): New functions replacing range
 163         versions of _M_insert_unique and _M_insert_equal.
 164         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
 165         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
 166         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
 167         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
 168         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
 169         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
 170
 171         PR libstdc++/78595
 172         * include/bits/stl_map.h (map::insert(_Pair&&))
 173         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
 174         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
 175         (multimap::insert(const_iterator, _Pair&&)): Likewise.
 176         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
 177         (unordered_map::insert(const_iterator, _Pair&&))
 178         (unordered_multimap::insert(_Pair&&))
 179         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
 180         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
 181         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
 182         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
 183         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
 184         test.
 185
 186 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
 187
 188         * include/debug/safe_iterator.h
 189         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
 190         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
 191         New.
 192         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 193         ::_OtherSelf): New.
 194         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
 195         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
 196         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
 197         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 198         ::operator+(difference_type)): Use latters, inline as friend.
 199         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 200         ::operator-(difference_type)): Likewise.
 201         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 202         Likewise.
 203         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 204         Likewise.
 205         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 206         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 207         Likewise.
 208         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 209         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 210         Likewise.
 211         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 212         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
 213         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
 214         * include/debug/safe_iterator.tcc
 215         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
 216         copy.
 217         * include/debug/safe_local_iterator.h
 218         (_Safe_local_iterator<_It, _Seq>::_Self): New.
 219         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
 220         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
 221         (operator==(const _Safe_local_iterator<>&,
 222         const _Safe_local_iterator<>&)): Use latter, inline as friend.
 223         (operator!=(const _Safe_local_iterator<>&,
 224         const _Safe_local_iterator<>&)): Likewise.
 225         * testsuite/util/testsuite_containers.h: Include utility.
 226         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
 227         parameter.
 228         (forward_members_unordered<>::forward_members_unordered(value_type&)):
 229         Add using namespace std::rel_ops.
 230         Add iterator_concept_checks on local_iterator and const_local_iterator.
 231         Add asserts on comparison between const_local_iterator and
 232         local_iterator.
 233         (struct forward_members_unordered<_Tp, false>): Remove partial
 234         specialization.
 235         * testsuite/23_containers/forward_list/types/1.cc: New.
 236         * testsuite/23_containers/list/types/1.cc: New.
 237
 238 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
 239
 240         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
 241         references.
 242
 243 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
 244
 245         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
 246         Add dg-require-fileio.
 247         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
 248         Likewise.
 249         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
 250         Likewise.
 251         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
 252         Likewise.
 253         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
 254         Likewise.
 255         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
 256         Likewise.
 257         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
 258         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
 259         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
 260         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
 261         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
 262         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
 263         Likewise.
 264         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
 265         Likewise.
 266         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
 267         Likewise.
 268         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
 269         Likewise.
 270         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
 271         Likewise.
 272         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
 273         Likewise.
 274         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
 275         Likewise.
 276         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
 277         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
 278         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
 279         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
 280         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
 281         Likewise.
 282         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
 283         Likewise.
 284         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
 285         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
 286         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
 287         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
 288         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
 289         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
 290         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
 291         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
 292         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
 293         Likewise.
 294         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
 295         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
 296         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
 297         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
 298         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
 299         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
 300         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
 301         Likewise.
 302         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
 303
 304 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
 305
 306         * testsuite/experimental/propagate_const/observers/1.cc: Make
 307         dependence on -fdelete-null-pointer-checks explicit.
 308
 309 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
 310
 311         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
 312         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
 313         of the number of bits in the type.
 314         * include/std/bit (__ceil2): Avoid undefined shifts.
 315         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
 316         the most signifiant bit set.
 317
 318         * config/abi/pre/gnu.ver: Add missing exports for mingw.
 319
 320         * include/ext/pointer.h (_Pointer_adapter): Define operators for
 321         pointer arithmetic using long long offsets.
 322         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
 323         long long values.
 324
 325 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
 326
 327         PR libstdc++/31413
 328         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
 329         string for alternative format.
 330
 331 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
 332
 333         PR libstdc++/87116
 334         * src/filesystem/std-path.cc (path::lexically_normal): When handling
 335         a dot-dot filename, preserve an empty final component in the iteration
 336         sequence.
 337         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
 338         root-directory.
 339         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
 340         for more than two adjacent dot-dot filenames.
 341         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
 342         preferred-separator in expected normalized strings.
 343
 344 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
 345
 346         PR libstdc++/70694
 347         * configure.host (OPT_LDFLAGS): Don't append
 348         -fvisibility-inlines-hidden for newer Darwin.
 349
 350 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
 351
 352         PR libstdc++/86822
 353         * libsupc++/new (operator new(size_t, nothrow_t), operator
 354         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
 355         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
 356
 357 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
 358
 359         * include/debug/deque (std::__debug::deque): Declare.
 360         * include/debug/forward_list (std::__debug::forward_list): Declare.
 361         * include/debug/list (std::__debug::list): Declare.
 362         * include/debug/map (std::__debug::map): Declare.
 363         * include/debug/set (std::__debug::set): Declare.
 364         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
 365         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
 366         * include/debug/vector (std::__debug::vector): Declare.
 367         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
 368         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
 369         test.
 370         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
 371         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
 372         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
 373         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
 374         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
 375         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
 376         test.
 377         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
 378         New test.
 379         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
 380         New test.
 381         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
 382         test.
 383         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
 384         Adjust dg-error lineno.
 385         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
 386         test.
 387
 388 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
 389
 390         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
 391         Only define when RTTI is enabled.
 392
 393         * include/debug/vector (__niter_base): Define for C++98.
 394
 395         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
 396         Fix C++98 test to not use C++11 features.
 397         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
 398
 399         * scripts/check_compile: Fix comments.
 400
 401         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
 402         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
 403         begin(), for C++98 compatibility.
 404
 405         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 406         (basic_string::__const_iterator): Change access to protected.
 407         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
 408         as typedef for iterator.
 409         * include/debug/string (__const_iterator): Use typedef from base.
 410         (insert(const_iterator, _CharT))
 411         (replace(const_iterator, const_iterator, const basic_string&))
 412         (replace(const_iterator, const_iterator, const _CharT*, size_type))
 413         (replace(const_iterator, const_iterator, const CharT*))
 414         (replace(const_iterator, const_iterator, size_type, _CharT))
 415         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
 416         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
 417         Change const_iterator parameters to __const_iterator.
 418         (insert(iterator, size_type, _CharT)): Add C++98 overload.
 419         (insert(const_iterator, _InputIterator, _InputIterator)): Change
 420         const_iterator parameter to __const_iterator.
 421         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
 422         of base's member function.
 423         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
 424         Likewise.
 425         (insert(const_iterator, initializer_list<_CharT>))
 426         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
 427         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
 428         target directive.
 429
 430         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
 431         not use C++14 feature.
 432         * testsuite/23_containers/list/68222_neg.cc: Likewise.
 433
 434         * testsuite/21_strings/basic_string/init-list.cc:
 435         Require cxx11-abi.
 436         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 437         Likewise.
 438         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 439         Likewise.
 440
 441         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
 442         C++98 mode.
 443         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
 444         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
 445         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
 446         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 447         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
 448
 449 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 450
 451         PR libstdc++/87061
 452         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
 453         (experimental::pmr::match_results, experimental::pmr::cmatch)
 454         (experimental::pmr::smatch, experimental::pmr::wcmatch)
 455         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
 456         because COW strings don't support C++11 allocator model.
 457         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
 458         (experimental::pmr::basic_string, experimental::pmr::string)
 459         (experimental::pmr::u16string, experimental::pmr::u32string)
 460         (experimental::pmr::wstring): Likewise.
 461         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
 462         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
 463         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
 464         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
 465         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
 466         cxx11-abi.
 467         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
 468
 469         PR libstdc++/78448
 470         * include/bits/deque.tcc (deque::_M_range_initialize): Use
 471         _S_check_init_len to check size.
 472         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
 473         error if size would exceed max_size().
 474         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
 475         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
 476         size_t instead of size_type.
 477         (deq(size_type, const allocator_type&)
 478         (deq(size_type, const value_type&, const allocator_type&)
 479         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
 480         (deque::max_size): Call _S_max_size.
 481         (deque::_S_check_init_len, deque::_S_max_size): New functions.
 482         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
 483         (vector(size_type, const value_type&, const allocator_type&))
 484         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
 485         _S_check_init_len to check size.
 486         (vector::max_size): Call _S_max_size.
 487         (vector::_M_check_len): Prevent max from being expanded as a
 488         function-like macro.
 489         (vector::_S_check_init_len, vector::_S_max_size): New functions.
 490         * include/bits/vector.tcc (vector::_M_assign_aux): Use
 491         _S_check_init_len to check size.
 492         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
 493         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
 494
 495 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
 496
 497         PR libstdc++/68222
 498         * include/debug/safe_iterator.h
 499         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
 500         (_Safe_iterator<>::_Const_iterator): Remove.
 501         (_Safe_iterator<>::_IsConstant): New.
 502         (_Safe_iterator<>::_OtherIterator): New.
 503         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
 504         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
 505         __gnu_cxx::__enable_if condition.
 506         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
 507         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
 508         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
 509         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
 510         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
 511         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 512         ::operator--()): ...here.
 513         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
 514         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 515         ::operator--(int)): ...here.
 516         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
 517         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 518         ::_M_decrementable()): ...here.
 519         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
 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         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
 529         Move...
 530         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 531         ::operator+(const difference_type&)): ...here.
 532         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
 533         Move...
 534         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 535         ::operator-=(const difference_type&)): ...here.
 536         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
 537         Move...
 538         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 539         ::operator-(const difference_type&)): ...here.
 540         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 541         Constraint to random access iterators.
 542         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 543         Likewise.
 544         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 545         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 546         Likewise.
 547         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 548         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
 549         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
 550         (__get_distance): Remove.
 551         (__get_distance_from_begin): Remove.
 552         (__get_distance_to_end): Remove.
 553         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
 554         specialization.
 555         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
 556         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
 557         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
 558         * include/debug/safe_iterator.tcc
 559         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
 560         (_Safe_iterator<>::_M_get_distance_to_end()): New.
 561         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
 562         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 563         ::_M_valid_range): New.
 564         * include/debug/safe_local_iterator.h
 565         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
 566         (_Safe_local_iterator<>::_IsConstant): New.
 567         (_Safe_local_iterator<>::_OtherIterator): New.
 568         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
 569         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
 570         in __gnu_cxx::__enable_if condition. If singular compare base iterator
 571         with _MutIte rather than _It.
 572         (_Safe_local_iterator<>::_S_constant): Make constexpr.
 573         (_Safe_local_iterator<>::_M_get_distance_to): New.
 574         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
 575         (__get_distance(const _Safe_local_iterator<>&,
 576         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
 577         (__valid_range(const _Safe_local_iterator<>&,
 578         const _Safe_local_iterator<>&)): New.
 579         * include/debug/safe_local_iterator.tcc
 580         (_Safe_local_iterator<>::_M_get_distance_to): New.
 581         * include/debug/deque (std::__debug::deque<>): Add
 582         ::__gnu_debug::_Safe_iterator<> friend declaration.
 583         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
 584         * include/debug/list (std::__debug::list<>): Likewise.
 585         * include/debug/map.h (std::__debug::map<>): Likewise.
 586         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
 587         * include/debug/set.h (std::__debug::set<>): Likewise.
 588         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
 589         * include/debug/string (std::__debug::basic_string<>): Likewise.
 590         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
 591         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
 592         (std::__debug::unordered_multimap<>): Likewise.
 593         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
 594         (std::__debug::unordered_multiset<>): Likewise.
 595         * include/debug/formatter.h: Adapt.
 596         * include/debug/helper_functions.h
 597         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
 598         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
 599         Pass parameter by copy.
 600         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
 601         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
 602         (__valid_range_aux<_Integral>): Pass _Integral by copy.
 603         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
 604         (__valid_range<>(const _Safe_iterator<>&,
 605         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
 606         Declare.
 607         (__valid_range(const _Safe_local_iterator<>&,
 608         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
 609         Declare.
 610         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 611         Declare.
 612         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
 613         Declare.
 614         (__can_advance): Adapt.
 615         (struct __is_safe_random_iterator<>): Remove.
 616         (struct _SIter_base<>): Remove.
 617         * include/debug/functions.h: Include <bits/stl_iterator.h>.
 618         (__check_dereferenceable): Remove.
 619         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
 620         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
 621         (__foreign_iterator): Adapt.
 622         * include/debug/stl_iterator.h
 623         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
 624         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
 625         Constraint for random access iterators.
 626         (__niter_base): Adapt.
 627         * testsuite/util/testsuite_containers.h:
 628         Include <bits/boost_concept_check.h>.
 629         (iterator_concept_checks<_It, _Mutable, _Category>): New.
 630         (citerator<_Cont>::forward_members::forward_members()): Instantiate
 631         latter for container iterator and const_iterator.
 632         * testsuite/23_containers/list/68222_neg.cc: New.
 633         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
 634         line number.
 635         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
 636         (test01): Remove.
 637         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
 638         Remove.
 639
 640 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 641
 642         PR libstdc++/77854
 643         * doc/xml/manual/status_cxx1998.xml: Document size_type and
 644         difference_type for containers.
 645         * doc/html/*: Regenerate.
 646
 647 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
 648
 649         P0646R1 Improving the Return Value of Erase-Like Algorithms I
 650         * include/debug/forward_list (forward_list::__remove_return_type):
 651         Define typedef as size_type or void, according to __cplusplus value.
 652         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 653         empty, according to __cplusplus value.
 654         (_GLIBCXX20_ONLY): Define macro.
 655         (forward_list::remove, forward_list::unique): Use typedef and macro
 656         to change return type and add abi-tag for C++2a. Return number of
 657         removed elements for C++2a.
 658         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
 659         typedef to change return type for C++2a. Return number of removed
 660         elements for C++2a.
 661         * include/debug/list (list::__remove_return_type): Define typedef as
 662         size_type or void, according to __cplusplus value.
 663         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 664         empty, according to __cplusplus value.
 665         (_GLIBCXX20_ONLY): Define macro.
 666         (list::remove, list::unique): Use typedef and macro to change return
 667         type and add abi-tag for C++2a. Return number of removed elements for
 668         C++2a.
 669         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
 670         to change return type for C++2a. Return number of removed elements for
 671         C++2a.
 672
 673 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
 674
 675         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
 676
 677 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
 678
 679         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
 680         redundant dg-do directive.
 681         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
 682         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
 683         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
 684         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
 685
 686 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
 687
 688         PR libstdc++/86963
 689         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
 690         (_Tuple_impl::_M_assign): New functions to perform assignment instead
 691         of assignment operators.
 692         (_Tuple_impl::_M_swap): Remove exception specification.
 693         (_Tuple_impl<_Idx, _Head>): Likewise.
 694         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
 695         (__tuple_base): Remove.
 696         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
 697         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
 698         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
 699         using __is_nothrow_swappable.
 700         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
 701
 702         * include/std/optional (_Optional_payload): Use variable templates
 703         for conditions in default template arguments and exception
 704         specifications.
 705         (optional): Likewise. Adjust indentation.
 706         (optional::__not_self, optional::__not_tag, optional::_Requires): New
 707         SFINAE helpers.
 708         (optional::optional): Use new helpers in constructor constraints.
 709         * include/std/type_traits (__or_v, __and_v): New variable templates.
 710         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
 711         dg-prune-output. Remove unused header.
 712
 713 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
 714
 715         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
 716         _GLIBCXX_DEBUG.
 717
 718 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
 719
 720         PR libstdc++/86963
 721         * include/std/tuple (__tuple_base): New class template with deleted
 722         copy assignment operator.
 723         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
 724         implicit copy/move assignment operator will be deleted/suppressed.
 725         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
 726         functions for SFINAE constraints on assignment operators.
 727         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
 728         New helper functions for exception specifications.
 729         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
 730         (tuple<_T1, _T2>::operator=(const tuple&))
 731         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
 732         __nonesuch_no_braces when the operator should be defined implicitly.
 733         Use __nothrow_assignable for exception specifications.
 734         (tuple::operator=(const tuple<_UElements...>&))
 735         (tuple::operator=(tuple<_UElements...>&&))
 736         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
 737         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
 738         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
 739         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
 740         __assignable and use __nothrow_assignable for exception
 741         specifications.
 742         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
 743         gdb.Type as first argument, instead of a string.
 744         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
 745         tuple for expected structure.
 746         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
 747         * testsuite/20_util/tuple/dr2729.cc: New test.
 748         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
 749         to dg-prune-output.
 750
 751 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
 752
 753         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
 754         about signed/unsigned comparison.
 755
 756         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
 757         deprecation warnings for using uncaught_exception().
 758
 759         PR libstdc++/86447
 760         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
 761         (logic_error::logic_error(logic_error&&))
 762         (logic_error::operator=(logic_error&&))
 763         (runtime_error::runtime_error(runtime_error&&))
 764         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
 765         moving, to avoid allocating empty reps for moved-from strings.
 766
 767 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
 768
 769         * include/experimental/regex: Remove begin/end macros for namespace.
 770         * include/experimental/string: Likewise.
 771         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
 772         New test.
 773         * testsuite/experimental/polymorphic_allocator/
 774         pmr_typedefs_forward_list.cc: New test.
 775         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
 776         New test.
 777         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
 778         New test.
 779         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 780         New test.
 781         * testsuite/experimental/polymorphic_allocator/
 782         pmr_typedefs_multimap.cc: New test.
 783         * testsuite/experimental/polymorphic_allocator/
 784         pmr_typedefs_multiset.cc: New test.
 785         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
 786         New test.
 787         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 788         New test.
 789         * testsuite/experimental/polymorphic_allocator/
 790         pmr_typedefs_unordered_map.cc: New test.
 791         * testsuite/experimental/polymorphic_allocator/
 792         pmr_typedefs_unordered_multimap.cc: New test.
 793         * testsuite/experimental/polymorphic_allocator/
 794         pmr_typedefs_unordered_multiset.cc: New test.
 795         * testsuite/experimental/polymorphic_allocator/
 796         pmr_typedefs_unordered_set.cc: New test.
 797         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
 798         New test.
 799
 800         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
 801         calls to __uses_allocator_construct_impl and __use_alloc.
 802         * include/experimental/memory_resource
 803         (polymorphic_allocator::_M_construct): Remove.
 804         (polymorphic_allocator::construct): Call __uses_allocator_construct.
 805         Qualify calls to __use_alloc.
 806         * include/std/memory_resource (polymorphic_allocator::construct): Fix
 807         type in SFINAE constraint. Use constexpr if instead of tag dispatching
 808         to _S_construct overloads.
 809         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
 810         arguments to _S_construct_p.
 811         (polymorphic_allocator::_S_construct): Remove.
 812         (polymorphic_allocator::_S_construct_p): Return allocators by value
 813         not by reference.
 814         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
 815         Qualify calls to __use_alloc.
 816         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
 817         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
 818         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
 819         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
 820         New test.
 821
 822         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
 823         (atomic_mem_res): Add unsynchronized definition for single-threaded.
 824
 825 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
 826
 827         PR libstdc++/86954
 828         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
 829         non-placement delete.
 830
 831         * include/std/chrono (__check_overflow): Simplify definition.
 832         (_Checked_integral_constant): Remove.
 833
 834         PR libstdc++/86846
 835         * src/c++17/default_resource.h: New file, defining default_res.
 836         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
 837         (atomic_mem_res): Define alternative for atomic<memory_resource*>
 838         using a mutex instead of atomics.
 839
 840         PR libstdc++/85343
 841         * config/abi/pre/gnu.ver: Export new symbol.
 842         * doc/xml/manual/abi.xml: Document new versions.
 843         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
 844         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
 845         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
 846         Declare new overload.
 847         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
 848         and static member function.
 849         (__throw_ios_failure(const char*, int)): Define.
 850         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
 851         (__throw_ios_failure(const char*, int)): Define.
 852
 853 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
 854
 855         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
 856         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
 857         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
 858         copied/assigned rope iterators don't retain pointers to the iterator
 859         they were copied/assigned from.
 860         * testsuite/ext/rope/7.cc: New.
 861
 862 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
 863
 864         PR libstdc++/45093
 865         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
 866         Combine definitions to avoid --detect-odr-violations warning.
 867
 868         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
 869         __is_pow2 to check for valid alignment. Avoid branching when rounding
 870         size to multiple of alignment.
 871
 872         * include/Makefile.am: Install <bit> and <version> for freestanding.
 873         * include/Makefile.in: Regenerate.
 874         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
 875
 876         Revert
 877         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 878
 879         PR target/85904
 880         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 881         Newlib.
 882         * configure: Regenerate.
 883
 884 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 885
 886         PR libstdc++/68210
 887         * doc/xml/manual/intro.xml: Document LWG 206 change.
 888         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 889         * libsupc++/del_opa.cc: Likewise.
 890         * libsupc++/del_opant.cc: Likewise.
 891         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
 892         of free(ptr).
 893         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 894         * libsupc++/del_opsa.cc: Likewise.
 895         * libsupc++/del_opva.cc: Likewise.
 896         * libsupc++/del_opvant.cc: Likewise.
 897         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
 898         instead of operator delete(ptr).
 899         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 900         * libsupc++/del_opvsa.cc: Likewise.
 901         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
 902         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
 903         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
 904         with noexcept.
 905         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
 906         malloc(sz).
 907         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
 908         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
 909         operator new(sz, nothrow).
 910         * testsuite/18_support/new_nothrow.cc: New test.
 911
 912 2018-08-10  Martin Liska  <mliska@suse.cz>
 913
 914         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
 915         predictor can handle that.
 916         * libsupc++/new_opa.cc: Likewise.
 917         * libsupc++/new_opnt.cc (new): Likewise.
 918
 919 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 920
 921         PR target/85904
 922         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 923         Newlib.
 924         * configure: Regenerate.
 925
 926 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 927
 928         * include/std/deque (std::pmr::deque): Declare alias.
 929         * include/std/forward_list (std::pmr::forward_list): Likewise.
 930         * include/std/list (std::pmr::list): Likewise.
 931         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
 932         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
 933         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
 934         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
 935         * include/std/string (std::pmr::basic_string, std::pmr::string)
 936         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
 937         Likewise.
 938         * include/std/unordered_map (std::pmr::unordered_map)
 939         (std::pmr::unordered_multimap): Likewise.
 940         * include/std/unordered_set (std::pmr::unordered_set)
 941         (std::pmr::unordered_multiset): Likewise.
 942         * include/std/vector (std::pmr::vector): Likewise.
 943         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
 944         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
 945         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
 946         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
 947         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
 948         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
 949         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
 950         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
 951         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
 952         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
 953         test.
 954         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
 955         test.
 956         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
 957         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
 958         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
 959
 960 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
 961
 962         * include/bits/stl_algo.h
 963         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
 964         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
 965         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
 966         duplication...
 967         (rotate(_Ite, _Ite, _Ite)): ...here.
 968         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
 969         Simplify rotate call.
 970         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
 971         Likewise.
 972         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
 973         Likewise.
 974
 975 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
 976
 977         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
 978         avoid clashing with an ::aligned_alloc function that was not detected
 979         by configure.
 980
 981         * doc/xml/manual/using.xml: Fix markup for empty table entry.
 982         * doc/html/*: Regenerate.
 983
 984         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
 985         * doc/html/*: Regenerate.
 986
 987         PR libstdc++/86597
 988         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
 989         Clear error_code when cached type is used.
 990         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
 991
 992 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
 993
 994         PR libstdc++/86874
 995         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
 996         here instead of in _Move_assign_base.
 997         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
 998         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
 999         the contained value to another alternative.
1000         (_Move_assign_base::operator=): Likewise.
1001         (_Move_assign_base::_M_destructive_move): Remove.
1002         * testsuite/20_util/variant/86874.cc: New test.
1003
1004         PR libstdc++/86861
1005         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
1006         Replace macro with inline function.
1007         [__sun]: Increase alignment to meet memalign precondition.
1008         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
1009         (aligned_alloc): Move check for valid alignment to operator new.
1010         Remove redundant check for non-zero size, it's enforced by the caller.
1011         (operator new): Move check for valid alignment here. Use
1012         __builtin_expect on check for zero size.
1013
1014         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
1015         * include/std/memory_resource (monotonic_buffer_resource::release):
1016         Call _M_release_buffers to free buffers.
1017         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
1018         allocate a new buffer from upstream.
1019         (monotonic_buffer_resource::_M_new_buffer): Declare.
1020         (monotonic_buffer_resource::_M_release_buffers): Declare.
1021         (monotonic_buffer_resource::_Chunk): Replace definition with
1022         declaration as opaque type.
1023         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
1024         Define.
1025         (monotonic_buffer_resource::_M_new_buffer): Define.
1026         (monotonic_buffer_resource::_M_release_buffers): Define.
1027
1028 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
1029
1030         * include/bits/stl_iterator.h: Fix comment.
1031
1032 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
1033
1034         * src/c++11/system_error.cc
1035         (system_error_category::default_error_condition): Add workaround for
1036         ENOTEMPTY and EEXIST having the same value on AIX.
1037         * testsuite/19_diagnostics/error_category/system_category.cc: Add
1038         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
1039
1040 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1041
1042         * configure: Regenerate.
1043         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
1044         * src/c++11/futex.cc: Use __glibcxx_assert instead of
1045         _GLIBCXX_DEBUG_ASSERT.
1046
1047 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1048
1049         * include/std/condition_variable (wait_for): Use steady_clock.
1050
1051 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1052
1053         * include/std/condition_variable (wait_until): Only report timeout
1054         if we really have timed out when measured against the
1055         caller-supplied clock.
1056         * testsuite/30_threads/condition_variable/members/2.cc: Add test
1057         case to confirm above behaviour.
1058
1059 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1060
1061         PR libstdc++/60555
1062         * src/c++11/system_error.cc
1063         (system_error_category::default_error_condition): New override to
1064         check for POSIX errno values.
1065         * testsuite/19_diagnostics/error_category/generic_category.cc: New
1066         * testsuite/19_diagnostics/error_category/system_category.cc: New
1067         test.
1068
1069 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
1070
1071         PR libstdc++/86751
1072         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
1073         assignment operator.
1074         (pair): Derive from __pair_base.
1075         (pair::operator=): Remove deleted overload.
1076         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
1077         so that new base class isn't shown in GDB.
1078         * testsuite/20_util/pair/86751.cc: New test.
1079         * testsuite/20_util/pair/ref_assign.cc: New test.
1080
1081         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1082         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
1083         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
1084         instead of __has_builtin.
1085         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1086         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
1087         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
1088         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
1089         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
1090         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
1091         (__cpp_lib_has_unique_object_representations): Don't define when
1092         builtin not available.
1093         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
1094         Likewise.
1095         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
1096         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
1097         from here.
1098
1099         * doc/xml/manual/test.xml: Improve documentation on writing tests for
1100         newer standards.
1101         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
1102         * doc/html/*: Regenerate.
1103
1104         * include/ext/pointer.h [__cplusplus >= 201103L]
1105         (_Pointer_adapter::operator bool): Add explicit conversion operator
1106         to replace safe bool idiom.
1107
1108 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
1109
1110         PR libstdc++/86734
1111         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
1112         _S_to_pointer (LWG 1052, LWG 2118).
1113         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
1114         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
1115         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
1116
1117         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
1118         workaround for aligned_alloc bug on AIX.
1119         * testsuite/18_support/new_aligned.cc: New test.
1120
1121 2018-07-26  Marek Polacek  <polacek@redhat.com>
1122
1123         * testsuite/30_threads/condition_variable_any/cond.cc: New.
1124
1125 2018-07-26  Marek Polacek  <polacek@redhat.com>
1126
1127         * src/c++98/locale_init.cc: Fix #ifdef condition.
1128
1129 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1130
1131         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
1132         dg-require-cstdint directive.
1133         * testsuite/20_util/allocator/overaligned.cc: Likewise.
1134         * testsuite/20_util/any/cons/aligned.cc: Likewise.
1135         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
1136         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
1137         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
1138         Likewise.
1139         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1140         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
1141         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
1142         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
1143         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
1144         random_device effective-target.
1145         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
1146         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
1147         * testsuite/25_algorithms/sample/2.cc: Likewise.
1148         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
1149         and random_device.
1150         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
1151         cstdint.
1152         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1153         Likewise.
1154         * testsuite/26_numerics/random/discard_block_engine/requirements/
1155         constexpr_data.cc: Likewise.
1156         * testsuite/26_numerics/random/discard_block_engine/requirements/
1157         constexpr_functions.cc: Likewise.
1158         * testsuite/26_numerics/random/independent_bits_engine/requirements/
1159         constexpr_functions.cc: Likewise.
1160         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1161         constexpr_data.cc: Likewise.
1162         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1163         constexpr_functions.cc: Likewise.
1164         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1165         constexpr_data.cc: Likewise.
1166         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1167         constexpr_functions.cc: Likewise.
1168         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1169         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
1170         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1171         constexpr_data.cc: Add dg-require-cstdint directive.
1172         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1173         constexpr_functions.cc: Likewise.
1174         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1175         constexpr_data.cc: Likewise.
1176         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1177         constexpr_functions.cc: Likewise.
1178         * testsuite/26_numerics/random/uniform_real_distribution/operators/
1179         64351.cc: Likewise.
1180         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
1181         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1182         * testsuite/experimental/algorithm/sample.cc: Likewise.
1183         * testsuite/experimental/algorithm/search.cc: Likewise.
1184         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1185         * testsuite/experimental/any/cons/aligned.cc: Likewise.
1186         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1187         Likewise.
1188         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
1189         * testsuite/experimental/random/randint.cc: Likewise.
1190         * testsuite/experimental/source_location/1.cc: Likewise.
1191         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
1192         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
1193         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
1194         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
1195         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
1196         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
1197         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
1198         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
1199         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
1200         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
1201         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
1202         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
1203         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
1204         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
1205         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
1206         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
1207         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
1208         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
1209         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
1210         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1211         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
1212         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
1213         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
1214
1215         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
1216         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
1217         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
1218         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
1219         Likewise.
1220         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
1221         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
1222         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
1223         Likewise.
1224         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
1225         Likewise.
1226         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
1227         Likewise.
1228         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
1229         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
1230         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
1231         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
1232         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
1233         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
1234         Likewise.
1235         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
1236         Likewise.
1237         * testsuite/30_threads/recursive_timed_mutex/dest/
1238         destructor_locked.cc: Likewise.
1239         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
1240         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
1241         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
1242         Likewise.
1243         * testsuite/30_threads/recursive_timed_mutex/native_handle/
1244         typesizes.cc: Likewise.
1245         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
1246         Likewise.
1247         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
1248         Likewise.
1249         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
1250         Likewise.
1251         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
1252         Likewise.
1253         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
1254         Likewise.
1255         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
1256         Likewise.
1257         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
1258         Likewise.
1259         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
1260         Likewise.
1261         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
1262         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
1263         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
1264         * testsuite/30_threads/scoped_lock/requirements/
1265         explicit_instantiation.cc: Likewise.
1266         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
1267         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
1268         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
1269         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
1270         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
1271         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
1272         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
1273         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
1274         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
1275         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
1276         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
1277         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
1278         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
1279         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
1280         * testsuite/30_threads/shared_future/requirements/
1281         explicit_instantiation.cc: Likewise.
1282         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
1283         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
1284         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
1285         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
1286         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
1287         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
1288         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
1289         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
1290         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
1291         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
1292         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
1293         * testsuite/30_threads/shared_lock/requirements/
1294         explicit_instantiation.cc: Likewise.
1295         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
1296         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
1297         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
1298         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
1299         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
1300         Likewise.
1301         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
1302         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
1303         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
1304         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
1305         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
1306         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
1307         * testsuite/30_threads/shared_timed_mutex/requirements/
1308         standard_layout.cc: Likewise.
1309         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
1310         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
1311         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
1312         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
1313         * testsuite/30_threads/this_thread/1.cc: Likewise.
1314         * testsuite/30_threads/this_thread/2.cc: Likewise.
1315         * testsuite/30_threads/this_thread/3.cc: Likewise.
1316         * testsuite/30_threads/this_thread/4.cc: Likewise.
1317         * testsuite/30_threads/this_thread/58038.cc: Likewise.
1318         * testsuite/30_threads/thread/70503.cc: Likewise.
1319         * testsuite/30_threads/thread/84532.cc: Likewise.
1320         * testsuite/30_threads/thread/adl.cc: Likewise.
1321         * testsuite/30_threads/thread/cons/1.cc: Likewise.
1322         * testsuite/30_threads/thread/cons/2.cc: Likewise.
1323         * testsuite/30_threads/thread/cons/3.cc: Likewise.
1324         * testsuite/30_threads/thread/cons/4.cc: Likewise.
1325         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
1326         * testsuite/30_threads/thread/cons/5.cc: Likewise.
1327         * testsuite/30_threads/thread/cons/6.cc: Likewise.
1328         * testsuite/30_threads/thread/cons/7.cc: Likewise.
1329         * testsuite/30_threads/thread/cons/8.cc: Likewise.
1330         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
1331         * testsuite/30_threads/thread/cons/9.cc: Likewise.
1332         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
1333         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
1334         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
1335         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
1336         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
1337         * testsuite/30_threads/thread/id/operators.cc: Likewise.
1338         * testsuite/30_threads/thread/members/1.cc: Likewise.
1339         * testsuite/30_threads/thread/members/2.cc: Likewise.
1340         * testsuite/30_threads/thread/members/3.cc: Likewise.
1341         * testsuite/30_threads/thread/members/4.cc: Likewise.
1342         * testsuite/30_threads/thread/members/5.cc: Likewise.
1343         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
1344         Likewise.
1345         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
1346         * testsuite/30_threads/thread/swap/1.cc: Likewise.
1347         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
1348         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
1349         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
1350         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
1351         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
1352         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
1353         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
1354         Likewise.
1355         * testsuite/30_threads/timed_mutex/requirements/
1356         standard_layout.cc: Likewise.
1357         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
1358         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
1359         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
1360         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
1361         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
1362         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
1363         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
1364         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
1365         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
1366         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
1367         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
1368         * testsuite/30_threads/try_lock/1.cc: Likewise.
1369         * testsuite/30_threads/try_lock/2.cc: Likewise.
1370         * testsuite/30_threads/try_lock/3.cc: Likewise.
1371         * testsuite/30_threads/try_lock/4.cc: Likewise.
1372         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
1373         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
1374         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
1375         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
1376         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
1377         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
1378         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
1379         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
1380         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
1381         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
1382         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
1383         * testsuite/30_threads/unique_lock/requirements/
1384         explicit_instantiation.cc: Likewise.
1385         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
1386
1387         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
1388         directive.
1389         * testsuite/30_threads/async/49668.cc: Likewise.
1390         * testsuite/30_threads/async/54297.cc: Likewise.
1391         * testsuite/30_threads/async/84532.cc: Likewise.
1392         * testsuite/30_threads/async/any.cc: Likewise.
1393         * testsuite/30_threads/async/async.cc: Likewise.
1394         * testsuite/30_threads/async/except.cc: Likewise.
1395         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
1396         * testsuite/30_threads/async/launch.cc: Likewise.
1397         * testsuite/30_threads/async/lwg2021.cc: Likewise.
1398         * testsuite/30_threads/async/sync.cc: Likewise.
1399         * testsuite/30_threads/call_once/39909.cc: Likewise.
1400         * testsuite/30_threads/call_once/49668.cc: Likewise.
1401         * testsuite/30_threads/call_once/60497.cc: Likewise.
1402         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
1403         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
1404         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
1405         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
1406         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
1407         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
1408         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
1409         Likewise.
1410         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
1411         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
1412         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
1413         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
1414         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
1415         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
1416         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
1417         Likewise.
1418         * testsuite/30_threads/condition_variable/requirements/
1419         standard_layout.cc: Likewise.
1420         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
1421         * Likewise.
1422         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
1423         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
1424         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
1425         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
1426         Likewise.
1427         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
1428         Likewise.
1429         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
1430         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1431         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
1432         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
1433         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
1434         * testsuite/30_threads/future/cons/default.cc: Likewise.
1435         * testsuite/30_threads/future/cons/move.cc: Likewise.
1436         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
1437         * testsuite/30_threads/future/members/45133.cc: Likewise.
1438         * testsuite/30_threads/future/members/get.cc: Likewise.
1439         * testsuite/30_threads/future/members/get2.cc: Likewise.
1440         * testsuite/30_threads/future/members/share.cc: Likewise.
1441         * testsuite/30_threads/future/members/valid.cc: Likewise.
1442         * testsuite/30_threads/future/members/wait.cc: Likewise.
1443         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
1444         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
1445         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
1446         Likewise.
1447         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
1448         Likewise.
1449         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1450         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
1451         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
1452         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
1453         * testsuite/30_threads/lock/1.cc: Likewise.
1454         * testsuite/30_threads/lock/2.cc: Likewise.
1455         * testsuite/30_threads/lock/3.cc: Likewise.
1456         * testsuite/30_threads/lock/4.cc: Likewise.
1457         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
1458         * testsuite/30_threads/lock_guard/requirements/
1459         explicit_instantiation.cc: Likewise.
1460         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
1461         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
1462         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
1463         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
1464         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
1465         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
1466         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
1467         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
1468         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
1469         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
1470         Likewise.
1471         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
1472         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
1473         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
1474         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
1475         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
1476         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
1477         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
1478         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
1479         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
1480         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
1481         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
1482         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
1483         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
1484         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1485         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1486         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
1487         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
1488         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
1489         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
1490         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
1491         Likewise.
1492         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
1493         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
1494         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
1495         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
1496         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
1497         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
1498         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
1499         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
1500         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
1501         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
1502         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
1503         * testsuite/30_threads/packaged_task/requirements/
1504         explicit_instantiation.cc: Likewise.
1505         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1506         * testsuite/30_threads/promise/60966.cc: Likewise.
1507         * testsuite/30_threads/promise/69106.cc: Likewise.
1508         * testsuite/30_threads/promise/cons/1.cc: Likewise.
1509         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
1510         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
1511         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
1512         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
1513         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
1514         * testsuite/30_threads/promise/cons/move.cc: Likewise.
1515         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
1516         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
1517         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
1518         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
1519         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
1520         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
1521         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
1522         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
1523         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
1524         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
1525         * testsuite/30_threads/promise/members/swap.cc: Likewise.
1526         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
1527         * Likewise.
1528         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
1529
1530         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
1531         from namespace std.
1532         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
1533         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
1534         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
1535         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
1536         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
1537         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
1538         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
1539         * testsuite/20_util/duration/cons/1.cc: Likewise.
1540         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
1541         * testsuite/20_util/duration/cons/2.cc: Likewise.
1542         * testsuite/20_util/duration/cons/54025.cc: Likewise.
1543         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
1544         * testsuite/20_util/duration/requirements/explicit_instantiation/
1545         explicit_instantiation.cc: Likewise.
1546         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1547         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1548         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1549         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
1550         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
1551         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
1552         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
1553         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
1554         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
1555         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
1556         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
1557         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
1558         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
1559         * testsuite/20_util/system_clock/1.cc: Likewise.
1560         * testsuite/20_util/time_point/1.cc: Likewise.
1561         * testsuite/20_util/time_point/2.cc: Likewise.
1562         * testsuite/20_util/time_point/3.cc: Likewise.
1563         * testsuite/20_util/time_point/requirements/explicit_instantiation/
1564         explicit_instantiation.cc: Likewise.
1565         * testsuite/21_strings/basic_string/requirements/
1566         explicit_instantiation/char16_t/1.cc: Likewise.
1567         * testsuite/21_strings/basic_string/requirements/
1568         explicit_instantiation/char32_t/1.cc: Likewise.
1569         * testsuite/21_strings/basic_string_view/requirements/
1570         explicit_instantiation/char16_t/1.cc: Likewise.
1571         * testsuite/21_strings/basic_string_view/requirements/
1572         explicit_instantiation/char32_t/1.cc: Likewise.
1573         * testsuite/21_strings/char_traits/requirements/
1574         explicit_instantiation/char16_t/1.cc: Likewise.
1575         * testsuite/21_strings/char_traits/requirements/
1576         explicit_instantiation/char32_t/1.cc: Likewise.
1577         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
1578         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
1579         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1580         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
1581         Likewise.
1582         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
1583         Likewise.
1584         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
1585         Likewise.
1586         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1587         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
1588         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
1589         Likewise.
1590         * testsuite/experimental/string_view/requirements/
1591         explicit_instantiation/char16_t/1.cc: Likewise.
1592         * testsuite/experimental/string_view/requirements/
1593         explicit_instantiation/char32_t/1.cc: Likewise.
1594         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
1595         1.cc: Likewise.
1596         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
1597         1.cc: Likewise.
1598
1599         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1600         (random_condition, throw_value_random, throw_allocator_random)
1601         (std::hash<throw_value_random>): Do not define when <tr1/random> is
1602         not usable.
1603         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
1604         define transactional memory support when <stdint.h> is not usable.
1605
1606         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
1607         implementation that doesn't depend on <stdint.h> types.
1608         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
1609         std::size_t when std::uintptr_t is not usable.
1610         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
1611         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
1612         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1613
1614         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1615         (hash<u16string>, hash<u32string>): Remove dependency on
1616         _GLIBCXX_USE_C99_STDINT_TR1.
1617         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1618         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
1619         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
1620         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
1621         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1622         (codecvt<char16_t, char, mbstate_t>)
1623         (codecvt<char32_t, char, mbstate_t>)
1624         (codecvt_byname<char16_t, char, mbstate_t>)
1625         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
1626         on _GLIBCXX_USE_C99_STDINT_TR1.
1627         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1628         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
1629         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1630         (char_traits<char16_t>, char_traits<char32_t>)
1631         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
1632         on _GLIBCXX_USE_C99_STDINT_TR1.
1633         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1634         (u16string_view, u32string_view, hash<u16string_view>)
1635         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1636         (operator""sv(const char32_t, size_t)): Likewise.
1637         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1638         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
1639         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1640         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
1641         (__u32sso_string, __u32rc_string): Likewise.
1642         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
1643         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
1644         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1645         (u16string_view, u32string_view, hash<u16string_view>)
1646         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1647         (operator""sv(const char32_t, size_t)): Likewise.
1648         * src/c++11/codecvt.cc: Likewise.
1649         * src/c++98/locale_init.cc: Likewise.
1650         * src/c++98/localename.cc: Likewise.
1651
1652         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1653         (__atomic_futex_unsigned_base): Remove dependency on
1654         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1655         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1656         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
1657         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
1658         (uintmax_t): Define using predefined macros.
1659         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
1660         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
1661         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
1662         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
1663         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
1664         long long when <stdint.h> is not usable.
1665         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
1666         (condition_variable, condition_variable_any): Remove dependency on
1667         _GLIBCXX_USE_C99_STDINT_TR1.
1668         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
1669         (packaged_task, async): Likewise.
1670         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
1671         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
1672         (once_flag, call_once): Likewise.
1673         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
1674         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
1675         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
1676         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
1677         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
1678         (this_thread::sleep_until): Likewise.
1679         * src/c++11/chrono.cc: Remove dependency on
1680         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1681         * src/c++11/condition_variable.cc: Likewise.
1682         * src/c++11/futex.cc: Likewise.
1683         * src/c++11/future.cc: Likewise.
1684         * src/c++11/mutex.cc: Likewise.
1685         * src/c++11/thread.cc: Likewise.
1686         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
1687         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1688         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1689         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1690         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
1691         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1692
1693 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1694
1695         PR libstdc++/77691
1696         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1697         xfail execution on 32-bit Solaris/x86.
1698
1699 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
1700
1701         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
1702         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
1703         (vector::_M_move_assign): Reorder the swaps.
1704
1705 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1706
1707         PR libstdc++/86676
1708         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
1709         same alignment for post-release allocation.
1710
1711 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
1712
1713         PR libstdc++/86676
1714         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
1715         buffer being misaligned and so returned pointer not being at start.
1716
1717         * include/experimental/memory_resource: Include <cstddef> header.
1718
1719         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
1720         * src/Makefile.am: Add comment.
1721         * src/c++17/Makefile.in: Regenerate.
1722
1723         * include/Makefile.am: Add new <bits/unique_lock.h> header.
1724         * include/Makefile.in: Regenerate.
1725         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
1726         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1727         (unique_lock): Move definition to ...
1728         * include/bits/unique_lock.h: New header.
1729         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
1730         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
1731         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
1732         (unique_lock::try_lock_for): Define only when <chrono> is usable.
1733         * include/std/condition_variable: Include <bits/unique_lock.h>.
1734         * include/std/mutex: Likewise.
1735
1736 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
1737
1738         * config/abi/pre/gnu.ver: Export new symbols.
1739         * configure: Regenerate.
1740         * include/Makefile.am: Add new <memory_resource> header.
1741         * include/Makefile.in: Regenerate.
1742         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
1743         * include/std/memory_resource: New header.
1744         (memory_resource, polymorphic_allocator, new_delete_resource)
1745         (null_memory_resource, set_default_resource, get_default_resource)
1746         (pool_options, monotonic_buffer_resource): Define.
1747         * src/Makefile.am: Add c++17 directory.
1748         * src/Makefile.in: Regenerate.
1749         * src/c++11/Makefile.am: Fix comment.
1750         * src/c++17/Makefile.am: Add makefile for new sub-directory.
1751         * src/c++17/Makefile.in: Generate.
1752         * src/c++17/memory_resource.cc: New.
1753         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
1754         (default_res, new_delete_resource, null_memory_resource)
1755         (set_default_resource, get_default_resource): Define.
1756         * testsuite/20_util/memory_resource/1.cc: New test.
1757         * testsuite/20_util/memory_resource/2.cc: New test.
1758         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
1759         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
1760         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
1761         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
1762         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
1763         New test.
1764         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
1765         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
1766         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
1767         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1768         Define concrete memory resource for testing.
1769         (__gnu_test::default_resource_mgr): Define RAII helper for changing
1770         default resource.
1771
1772         PR libstdc++/86658
1773         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
1774         parameter by reference, to avoid copying invalid iterators.
1775         * testsuite/25_algorithms/copy/86658.cc: New test.
1776
1777         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
1778         local variables for number of digits instead of type aliases.
1779         (__log2p1): Remove redundant branch also checked in __countl_zero.
1780
1781         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
1782         conditions. Add comments.
1783         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
1784         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1785         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
1786
1787         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
1788         (__uses_allocator_helper): Check conditions directly instead of
1789         using __is_erased_or_convertible.
1790
1791         * include/experimental/memory_resource: Adjust comments and
1792         whitespace.
1793         (__resource_adaptor_imp): Add second template parameter for type of
1794         memory resource base class.
1795         (memory_resource): Define default constructor, destructor, copy
1796         constructor and copy assignment operator as defaulted.
1797
1798         PR libstdc++/70966
1799         * include/experimental/memory_resource (__get_default_resource): Use
1800         placement new to create an object with dynamic storage duration.
1801
1802 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
1803
1804         PR libstdc++/70940
1805         * include/experimental/memory_resource
1806         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
1807         (__resource_adaptor_common::__guaranteed_alignment): New helper to
1808         give maximum alignment an allocator guarantees. Specialize for known
1809         allocators using new and malloc.
1810         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
1811         (__resource_adaptor_imp::do_deallocate): Likewise.
1812         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1813         Check that new and delete are called with expected sizes.
1814
1815 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1816
1817         PR libstdc++/86595
1818         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
1819         noexcept.
1820
1821 2018-07-20  Fangrui Song  <maskray@google.com>
1822
1823         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
1824         _GLIBCXX_VISIBILITY(default).
1825
1826 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1827
1828         PR libstdc++/86603
1829         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
1830
1831 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
1832
1833         * include/std/type_traits (__is_member_object_pointer_helper): Use
1834         __not_<is_function<_Tp>>::type instead of integral_constant.
1835         (__is_member_function_pointer_helper): Likewise for
1836         is_function<_Tp>::type.
1837         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
1838         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
1839         (is_trivially_constructible): Remove redundant use of
1840         is_constructible.
1841         (__is_trivially_copy_assignable_impl): Remove redundant use of
1842         is_copy_assignable.
1843         (__is_trivially_move_assignable_impl): Remove redundant use of
1844         is_move_assignable.
1845         (is_trivially_destructible): Use __bool_constant.
1846         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
1847         tests for scalar types.
1848
1849 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
1850
1851         * include/bits/stl_algobase.h (__copy_move_a): Used
1852         __is_trivially_copyable.
1853         (__copy_move_backward_a): Likewise.
1854         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1855         New test.
1856
1857 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
1858
1859         PR libstdc++/86450
1860         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
1861         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
1862         * configure: Regenerate.
1863         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
1864         * doc/Makefile.in: Regenerate.
1865         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
1866         * include/Makefile.in: Regenerate.
1867         * libsupc++/Makefile.in: Regenerate.
1868         * po/Makefile.in: Regenerate.
1869         * python/Makefile.in: Regenerate.
1870         * src/Makefile.in: Regenerate.
1871         * src/c++11/Makefile.in: Regenerate.
1872         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
1873         from -Wabi=2 that don't affect exported symbols.
1874         * src/c++98/Makefile.in: Regenerate.
1875         * src/filesystem/Makefile.in: Regenerate.
1876         * testsuite/Makefile.in: Regenerate.
1877
1878         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
1879         (_Async_state_common::_M_join): Simplify use of std::call_once and
1880         corresponding explicit instantiation.
1881         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
1882         (__bind_simple): Remove definitions and explicit instantiation that
1883         are not required by exported symbols.
1884
1885 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
1886
1887         * scripts/create_testsuite_files: Fix typo in comment.
1888
1889         PR libstdc++/86537
1890         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
1891         non-standard partial specialization.
1892         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
1893         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
1894         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
1895
1896 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
1897
1898         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1899         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1900         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1901
1902 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
1903
1904         * include/debug/functions.h (__gnu_debug::__check_string): Move...
1905         * include/debug/string (__gnu_debug::__check_string): ... here.
1906         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
1907         (__glibcxx_check_string_n_constructor): New.
1908         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
1909         Use latter.
1910         (__glibcxx_check_string_constructor): New.
1911         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
1912         Use latter.
1913         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
1914         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
1915
1916 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
1917
1918         PR libstdc++/84928 use std::move in <numeric> algorithms
1919         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
1920         conditionally move, according to __cplusplus value.
1921         (accumulate, inner_product, partial_sum, adjacent_difference): Use
1922         _GLIBCXX_MOVE_IF_20.
1923         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
1924         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
1925         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
1926         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
1927
1928         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
1929
1930         P0935R0 Eradicating unnecessarily explicit default constructors
1931         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
1932         default constructor symbols.
1933         * include/std/sstream (basic_stringbuf, basic_istringstream)
1934         (basic_ostringstream, basic_stringstream): Remove default arguments
1935         from explicit constructors taking ios_base::openmode and add separate
1936         non-explicit default constructors.
1937         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
1938         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
1939         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
1940         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
1941         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
1942
1943         * include/std/variant (__accepted_index): Use void_t.
1944
1945 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
1946
1947         PR libstdc++/85831
1948         * config/abi/pre/gnu.ver: Export move constructors and move
1949         assignment operators for std::logic_error and std::runtime_error.
1950         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
1951         _GLIBCXX_USE_NOEXCEPT.
1952         (logic_error, runtime_error): Declare move constructors and move
1953         assignment operators. When not declared already, define copy
1954         constructors and copy assignment operators as explicit-defaulted.
1955         (domain_error, invalid_argument, length_error, out_of_range)
1956         (overflow_error, underflow_error): Define move constructors and move
1957         assignment operators as explicitly-defaulted.
1958         * libsupc++/exception.h (exception): Likewise.
1959         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
1960         move constructors and move assignment operators as defaulted.
1961         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
1962         assignment operators are defined.
1963
1964         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
1965         COW strings.
1966         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1967         Likewise.
1968         * testsuite/21_strings/basic_string/requirements/
1969         explicit_instantiation/debug.cc: Likewise.
1970
1971         PR libstdc++/58265
1972         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1973         (basic_string::assign(basic_string&&)): Add conditional noexcept
1974         depending on the allocator's is_always_equal property (LWG 2063).
1975         * testsuite/21_strings/basic_string/modifiers/assign/char/
1976         move_assign.cc: Check for non-throwing exception specification.
1977         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
1978         move_assign.cc: Likewise.
1979
1980         PR libstdc++/58265
1981         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1982         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
1983         Add GLIBCXX_NOEXCEPT.
1984         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
1985         to depend on the allocator's is_always_equal property (LWG 2063).
1986         (basic_string::swap(basic_string&)): Likewise.
1987         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
1988         (basic_string::swap(basic_string&)): Likewise.
1989         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
1990         Check is_nothrow_move_assignable.
1991         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
1992         Check is_nothrow_move_assignable.
1993         * testsuite/21_strings/basic_string/cons/char/
1994         noexcept_move_construct.cc: Likewise.
1995         * testsuite/21_strings/basic_string/cons/wchar_t/
1996         noexcept_move_construct.cc: Likewise.
1997
1998 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
1999
2000         P0646R1 Improving the Return Value of Erase-Like Algorithms I
2001         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
2002         Define.
2003         (forward_list::__remove_return_type): Define typedef as size_type or
2004         void, according to __cplusplus value.
2005         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2006         empty, according to __cplusplus value.
2007         (forward_list::remove, forward_list::unique): Use typedef and macro
2008         to change return type and add abi-tag for C++2a.
2009         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
2010         typedef to change return type for C++2a.
2011         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
2012         (forward_list::remove, forward_list::remove_if<Pred>)
2013         (forward_list::unique<BinPred>): Return number of removed elements
2014         for C++2a.
2015         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
2016         (list::remove, list::unique, list::remove_if<Predicate>)
2017         (list::unique<BinaryPredicate>): Return number of removed elements
2018         for C++2a.
2019         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
2020         (list::__remove_return_type): Define typedef as size_type or
2021         void, according to __cplusplus value.
2022         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2023         empty, according to __cplusplus value.
2024         (list::remove, list::unique): Use typedef and macro to change return
2025         type and add abi-tag for C++2a.
2026         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
2027         typedef to change return type for C++2a.
2028         * include/std/version (__cpp_lib_list_remove_return_type): Define.
2029         * testsuite/23_containers/forward_list/operations/
2030         remove_cxx20_return.cc: New.
2031         * testsuite/23_containers/forward_list/operations/
2032         unique_cxx20_return.cc: New.
2033
2034         P0458R2 Checking for Existence of an Element in Associative Containers
2035         * include/bits/stl_map.h (map::contains): Add for C++2a.
2036         * include/bits/stl_multimap.h (multimap::contains): Likewise.
2037         * include/bits/stl_multiset.h (multiset::contains): Likewise.
2038         * include/bits/stl_set.h (set::contains): Likewise.
2039         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
2040         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
2041         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
2042         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
2043         * include/bits/unordered_map.h (unordered_map::contains)
2044         (unordered_multimap::contains): Add for C++2a.
2045         * include/bits/unordered_set.h (unordered_set::contains)
2046         (unordered_multiset::contains): Likewise.
2047         * testsuite/23_containers/map/operations/contains.cc: New.
2048         * testsuite/23_containers/multimap/operations/contains.cc: New.
2049         * testsuite/23_containers/multiset/operations/contains.cc: New.
2050         * testsuite/23_containers/set/operations/contains.cc: New.
2051         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
2052         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
2053         New.
2054         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
2055         New.
2056         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
2057
2058 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
2059
2060         PR libstdc++/86272
2061         * include/debug/string
2062         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
2063         Use __glibcxx_check_insert_range.
2064         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
2065         __gnu_debug::string when _GLIBCXX_DEBUG.
2066         * 21_strings/basic_string/init-list.cc: Likewise.
2067         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
2068         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
2069         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
2070         * 21_strings/basic_string/types/1.cc: Likewise.
2071
2072 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2073
2074         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
2075         target for std::random_device.
2076         * testsuite/26_numerics/random/random_device/cons/default.cc:
2077         Likewise.
2078         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2079         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2080         * testsuite/experimental/random/randint.cc: Likewise.
2081         * testsuite/lib/libstdc++.exp
2082         (check_effective_target_random_device): New proc.
2083
2084 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2085             Jakub Jelinek  <jakub@redhat.com>
2086
2087         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
2088
2089 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2090
2091         PR libstdc++/86398
2092         * include/std/type_traits (is_trivially_constructible): Check
2093         is_constructible before __is_trivially_constructible.
2094         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
2095         tests, including negative cases.
2096         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
2097         zero for dg-error lineno.
2098         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
2099         Likewise.
2100
2101         * include/std/bit (__rotl, __rotr): Avoid branch.
2102         (_If_is_unsigned_integer): Use remove_cv_t.
2103         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
2104
2105 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
2106
2107         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
2108         * include/Makefile.am: Add new header.
2109         * include/Makefile.in: Regenerate.
2110         * include/precompiled/stdc++.h: Include new header.
2111         * include/std/bit: New header.
2112         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
2113         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
2114         Define for C++14.
2115         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
2116         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
2117         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
2118         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
2119         std::byte.
2120         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
2121         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
2122         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
2123         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
2124         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
2125         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
2126         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
2127         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
2128         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
2129         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
2130
2131         * include/bits/alloc_traits.h: Remove redundant preprocessor
2132         condition.
2133
2134 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
2135
2136         * include/bits/stl_algobase.h (__niter_wrap): New.
2137         (__copy_move_a2(_II, _II, _OI)): Use latter.
2138         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
2139         (fill_n(_OI, _Size, const _Tp&)): Likewise.
2140         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
2141         * include/debug/stl_iterator.h
2142         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
2143         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
2144         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
2145         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
2146
2147 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
2148
2149         P0758R1 Implicit conversion traits
2150         * include/std/type_traits [__cplusplus > 201703]
2151         (__is_convertible_helper::__is_nothrow_type): Define new member.
2152         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
2153         noexcept.
2154         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
2155         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
2156         new members.
2157         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
2158         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
2159         * testsuite/20_util/is_nothrow_convertible/requirements/
2160         explicit_instantiation.cc: New.
2161         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
2162         New.
2163
2164         P0887R1 The identity metafunction
2165         * include/std/type_traits (type_identity, type_identity_t): Define
2166         for C++2a.
2167         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
2168         * testsuite/20_util/type_identity/requirements/
2169         explicit_instantiation.cc:New.
2170         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
2171
2172         * include/bits/regex.h (sub_match::operator string_type): Call str().
2173         (sub_match::compare): Use _M_str() instead of str().
2174         (sub_match::_M_compare): New public function.
2175         (sub_match::__string_view): New helper type.
2176         (sub_match::_M_str): New overloaded functions to avoid creating a
2177         string_type object when not needed.
2178         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
2179         Use sub_match::_M_compare instead of creating string_type objects.
2180         Fix Doxygen comments.
2181         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
2182         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
2183         simplify.
2184         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
2185         __enable_if_t.
2186         * include/std/type_traits (__enable_if_t): Define for C++11.
2187         * testsuite/28_regex/sub_match/compare.cc: New.
2188         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
2189         trait.
2190         (input_iterator_wrapper): Use remove_cv for value_type argument of
2191         std::iterator base class.
2192
2193 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
2194
2195         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
2196         Add whitespace to dejagnu directive.
2197         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
2198
2199 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
2200
2201         * include/bits/stl_vector.h
2202         (struct _Vector_base<>::_Vector_impl_data): New.
2203         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
2204         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
2205         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
2206         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
2207         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
2208         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
2209         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
2210         (_Vector_base()): Default.
2211         (_Vector_base(_Vector_base&&)): Default.
2212         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
2213         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
2214         (_Vector_base::_M_create_storage(size_t)): Make protected.
2215         (vector()): Default.
2216         (vector(vector&&)): Default.
2217         (vector(vector&&, const allocator_type&, true_type)): New.
2218         (vector(vector&&, const allocator_type&, false_type)): New.
2219         (vector(vector&&, const allocator_type&)): Use latters.
2220         (vector(_InputIte, _InputIte, const allocator_type&)): Call
2221         _M_range_initialize directly.
2222         * include/debug/vector
2223         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
2224         * testsuite/23_containers/vector/allocator/default_init.cc: New.
2225         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
2226         static assertions.
2227
2228 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
2229
2230         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
2231         (__is_byte<byte>): Define specialization for std::byte.
2232
2233         PR libstdc++/86138
2234         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
2235         Declare explicit instantiations of COW empty reps and I/O functions.
2236
2237 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
2238
2239         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
2240         directives.
2241         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2242
2243 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
2244
2245         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
2246         noexcept.
2247
2248 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
2249
2250         PR libstdc++/86112
2251         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2252         Replace dict comprehension.
2253
2254         PR libstdc++/81092
2255         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2256
2257         PR libstdc++/86292
2258         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
2259         Add try-catch block.
2260         * testsuite/23_containers/vector/cons/86292.cc: New.
2261
2262         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
2263
2264         * include/experimental/algorithm (sample, shuffle): Add new overloads
2265         using per-thread random number engine.
2266         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
2267         dependencies by using __gnu_test::test_container.
2268         * testsuite/experimental/algorithm/sample-2.cc: New.
2269         * testsuite/experimental/algorithm/shuffle.cc: New.
2270
2271 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
2272
2273         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
2274         different size_t mangling on 32-bit targets.
2275
2276         PR libstdc++/86280
2277         * include/experimental/memory_resource
2278         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
2279         enough for result of left shift.
2280
2281         PR libstdc++/86138
2282         * include/bits/basic_string.tcc:
2283         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
2284         (basic_string<char>::_Rep::_S_empty_rep_storage)
2285         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
2286         instantiation declarations.
2287         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
2288         explicit instantiation declarations.
2289         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
2290         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
2291
2292 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
2293
2294         PR libstdc++/83328
2295         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
2296         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
2297         * configure: Regenerate.
2298         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2299         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
2300         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2301         (basic_string::insert(iterator, initializer_list<C>)): Suppress
2302         definition.
2303         * include/debug/string (basic_string::insert(iterator, C)): Change
2304         first parameter to const_iterator.
2305         (basic_string::insert(iterator, size_type, C)): Likewise. Change
2306         return type to iterator.
2307         (basic_string::insert(iterator, InputIterator, InputIterator)):
2308         Likewise.
2309         (basic_string::insert(iterator, initializer_list<C>)): Change first
2310         parameter to const_iterator and return type to iterator.
2311         * src/c++11/string-inst.cc: Extend comment.
2312         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
2313         New.
2314         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
2315         New.
2316         * testsuite/util/testsuite_abi.cc: Add new symbol version.
2317
2318         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2319
2320         PR libstdc++/70940
2321         * include/experimental/memory_resource
2322         (__resource_adaptor_imp::do_deallocate): Add missing return.
2323         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
2324         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2325         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
2326         __gnu_cxx::malloc_allocator.
2327
2328         PR libstdc++/70940
2329         * include/experimental/memory_resource (__resource_adaptor_common):
2330         New base class.
2331         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
2332         pointer from unaligned, and vice versa.
2333         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
2334         allocated pointer to meet alignment request.
2335         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
2336         original pointer for deallocation.
2337         (__resource_adaptor_imp::do_is_equal): Reformat.
2338         (__resource_adaptor_imp::_S_aligned_size): Remove.
2339         (__resource_adaptor_imp::_S_supported): Remove.
2340         (new_delete_resource): Use __gnu_cxx::new_allocator.
2341         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2342         extended alignments and use debug_allocator to check for matching
2343         allocate/deallocate pairs.
2344
2345 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
2346
2347         * include/debug/safe_iterator.h
2348         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
2349         Compare __x base iterator with a value-initialized iterator of the
2350         same type.
2351
2352 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
2353
2354         PR libstdc++/70966
2355         * include/experimental/memory_resource (__resource_adaptor_imp): Add
2356         static assertions to enforce requirements on pointer types.
2357         (__resource_adaptor_imp::get_allocator()): Add noexcept.
2358         (new_delete_resource, null_memory_resource): Return address of an
2359         object with dynamic storage duration.
2360         (__null_memory_resource): Remove.
2361         * testsuite/experimental/memory_resource/70966.cc: New.
2362
2363         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
2364         missed from recent commit.
2365
2366 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
2367
2368         * include/std/utility: Remove unused <exception> header.
2369
2370 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2371
2372         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
2373         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
2374         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
2375         a specialization of std::pair.
2376         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
2377         pair elements are constructed correctly.
2378
2379         LWG 2989 hide path iostream operators from normal lookup
2380         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
2381         friends.
2382         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
2383
2384         LWG 3050 Fix cv-qualification of convertibility constraints
2385         * include/std/chrono (duration, operator*, operator/, operator%): Use
2386         const-qualified type as source type in is_convertible constraints.
2387         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
2388         * testsuite/20_util/duration/cons/dr3050.cc: New.
2389         * testsuite/20_util/duration/literals/range.cc: Rename to...
2390         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
2391         dg-error lineno.
2392
2393 2018-06-18  Maya Rashish  <coypu@sdf.org>
2394
2395         * crossconfig.m4: Handle OpenBSD just like NetBSD.
2396         * configure: Rebuilt.
2397
2398 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2399
2400         P0754R2 <version> header
2401         * include/Makefile.am: Add new header.
2402         * include/Makefile.in: Regenerate.
2403         * include/bits/c++config: Change doxygen comment to suggest <version>
2404         instead of <iosfwd>.
2405         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
2406         unconditionally.  Add C++17 and C++20 headers.
2407         * include/std/version: New header.
2408         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
2409         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
2410         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
2411         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
2412         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
2413         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
2414         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
2415         New.
2416         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
2417         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
2418         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
2419         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
2420         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
2421         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
2422         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
2423         New.
2424         * testsuite/18_support/headers/version/macros.cc: New.
2425         * testsuite/18_support/headers/version/macros.cc: New.
2426
2427         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
2428         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
2429         symlink.
2430         * config.h.in: Regenerate.
2431         * configure: Regenerate.
2432         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
2433
2434         LWG 3035. std::allocator's constructors should be constexpr
2435         * include/bits/allocator.h (allocator): Add constexpr to constructors
2436         for C++2a. Replace dynamic exception specifications with NOTHROW
2437         macro.
2438         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
2439         NOTHROW.
2440         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
2441         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
2442         to constructors for C++2a.
2443         * include/ext/new_allocator.h (new_allocator): Likewise.
2444
2445 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
2446
2447         LWG 3076 basic_string CTAD ambiguity
2448         * doc/xml/manual/intro.xml: Document LWG 3076 change.
2449         * include/bits/basic_string.h
2450         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2451         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
2452         template constrained by _RequireAllocator.
2453         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
2454         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
2455         Define.
2456         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2457         deduction
2458         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2459         Likewise.
2460
2461 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
2462
2463         PR libstdc++/86169
2464         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2465         (basic_string::data()): Unshare string.
2466         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
2467         New.
2468
2469         * include/std/string_view (basic_string_view(const CharT*)): Remove
2470         check for null pointer and add nonnull attribute.
2471         (compare(const CharT*), compare(size_type, size_type, const CharT*))
2472         (find(const CharT*, size_type), rfind(const CharT*, size_type))
2473         (find_first_of(const CharT*, size_type))
2474         (find_last_of(const CharT*, size_type))
2475         (find_first_not_of(const CharT*, size_type))
2476         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
2477         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
2478         * testsuite/21_strings/basic_string_view/operations/compare/char/
2479         nonnull.cc: New.
2480         * testsuite/21_strings/basic_string_view/operations/find/char/
2481         nonnull.cc: New.
2482         * testsuite/21_strings/basic_string_view/operations/rfind/char/
2483         nonnull.cc: New.
2484
2485         PR libstdc++/86168
2486         * include/bits/random.h (random_device(const string&)): Remove
2487         default argument.
2488
2489         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
2490         define for C++17 and above.
2491
2492         LWG 2993 reference_wrapper<T> conversion from T&&
2493         * doc/xml/manual/intro.xml: Document LWG 2993 change.
2494         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
2495         (reference_wrapper(_Tp&&)): Remove.
2496         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
2497         template.
2498         (reference_wrapper): Add deduction guide.
2499         * testsuite/20_util/reference_wrapper/deduction.cc: New.
2500         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
2501
2502         LWG 3039 Unnecessary decay in thread and packaged_task
2503         * include/std/future (__constrain_pkgdtask): Replace with ...
2504         (packaged_task::__not_same): New alias template, using
2505         __remove_cvref_t instead of decay.
2506         * include/std/thread (thread::__not_same): Add comment.
2507
2508 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
2509
2510         LWG 3075 basic_string needs deduction guides from basic_string_view
2511         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2512         deduction from string views.
2513         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2514         Likewise.
2515
2516         LWG 3074 make scalar types non-deduced in valarray non-member functions
2517         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
2518         scalar parameters to be a non-deduced context.
2519         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
2520         whitespace.
2521         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
2522         * testsuite/26_numerics/valarray/transcend.cc: New.
2523
2524         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
2525         Move back to <utility>.
2526         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
2527         Restore to here.
2528
2529         P0935R0 Eradicating unnecessarily explicit default constructors
2530         * include/backward/strstream (strstreambuf): Add non-explicit default
2531         constructor.
2532         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
2533         Likewise.
2534         * include/bits/regex.h (match_results): Likewise.
2535         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
2536         default constructor.
2537         * testsuite/22_locale/conversions/string/1.cc: Likewise.
2538         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
2539         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
2540
2541         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
2542         macro from <utility> and change type to long.
2543         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
2544         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
2545         macro.
2546
2547         P0935R0 Eradicating unnecessarily explicit default constructors
2548         * include/bits/random.h (uniform_real_distribution::param_type)
2549         (normal_distribution::param_type, lognormal_distribution::param_type)
2550         (gamma_distribution::param_type, chi_squared_distribution::param_type)
2551         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
2552         (student_t_distribution::param_type)
2553         (bernoulli_distribution::param_type)
2554         (binomial_distribution::param_type)
2555         (geometric_distribution::param_type)
2556         (negative_binomial_distribution::param_type)
2557         (poisson_distribution::param_type)
2558         (exponential_distribution::param_type)
2559         (weibull_distribution::param_type)
2560         (extreme_value_distribution::param_type): Add non-explicit default
2561         constructors. Remove default argument for first parameter of explicit
2562         constructors.
2563         * include/bits/uniform_int_dist.h
2564         (uniform_int_distribution::param_type): Likewise.
2565         * include/ext/random
2566         (beta_distribution::param_type, rice_distribution::param_type)
2567         (nakagami_distribution::param_type, pareto_distribution::param_type)
2568         (k_distribution::param_type, arcsine_distribution::param_type)
2569         (hoyt_distribution::param_type, triangular_distribution::param_type)
2570         (von_mises_distribution::param_type)
2571         (hypergeometric_distribution::param_type)
2572         (logistic_distribution::param_type)
2573         (uniform_inside_sphere_distribution::param_type): Likewise.
2574         (uniform_on_sphere_distribution::param_type): Make default constructor
2575         non-explicit.
2576         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2577         Test param_type for non-explicit default constructor.
2578         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2579         Likewise.
2580         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2581         Likewise.
2582         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2583         Likewise.
2584         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2585         Likewise.
2586         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2587         Likewise.
2588         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2589         Likewise.
2590         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2591         Likewise.
2592         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2593         Likewise.
2594         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2595         Likewise.
2596         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2597         Likewise.
2598         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2599         Likewise.
2600         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2601         Likewise.
2602         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2603         Likewise.
2604         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2605         Likewise.
2606         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2607         Likewise.
2608         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2609         Likewise.
2610         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2611         Likewise.
2612         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2613         Likewise.
2614         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2615         Likewise.
2616         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2617         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2618         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2619         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2620         Likewise.
2621         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2622         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2623         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2624         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2625         Likewise.
2626         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2627         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2628         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2629         Likewise.
2630         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2631         Likewise.
2632         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2633         Likewise.
2634         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2635         Likewise.
2636
2637 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
2638             Jonathan Wakely  <jwakely@redhat.com>
2639
2640         PR libstdc++/83982
2641         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
2642         Default-construct new elements before moving existing ones.
2643         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
2644         New.
2645
2646 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
2647
2648         PR libstdc++/86127
2649         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
2650         unused typedef.
2651         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
2652         Use node allocator to create and destroy elements.
2653         (forward_list::_Tp_alloc_type): Remove unused typedef.
2654         (forward_list::_Alloc_traits): Use allocator_traits instead of
2655         __gnu_cxx::__alloc_traits.
2656
2657 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
2658
2659         * include/debug/helper_functions.h
2660         (__gnu_debug::_Safe_iterator<>): Add declaration.
2661         (__can_advance(_Ite, _Size)): New.
2662         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
2663         * include/debug/functions.h
2664         (__gnu_debug::_Safe_iterator<>): Remove declaration.
2665         * include/debug/stl_iterator.h
2666         (__can_advance(const _Safe_iterator<>&)): New definition.
2667         * include/debug/stl_iterator.h
2668         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
2669         (__can_advance(const std::move_iterator<>&, _Size)): New.
2670         * include/debug/macros.h (__glibcxx_check_can_increment): New.
2671         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
2672         * include/bits/stl_algobase.h (fill_n): Use latter.
2673         * testsuite/25_algorithms/fill_n/2.cc: New.
2674         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
2675         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
2676         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
2677         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
2678
2679         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
2680         (__glibcxx_requires_can_decrement_range): New.
2681
2682 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
2683
2684         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
2685         (__glibcxx_check_can_decrement_range): New.
2686         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
2687         __glibcxx_requires_can_increment_range.
2688         (std::move(_II, _II, _OI)): Likewise.
2689         (std::copy_backward(_BI, _BI, _BI2)): Use
2690         __glibcxx_requires_can_decrement_range.
2691         (std::move_backward(_BI, _BI, _BI2)): Likewise.
2692         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
2693         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
2694         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
2695         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
2696         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
2697         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
2698
2699 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
2700
2701         P0935R0 Eradicating unnecessarily explicit default constructors
2702         * include/bits/random.h (linear_congruential_engine)
2703         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
2704         (uniform_real_distribution, normal_distribution)
2705         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
2706         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
2707         (bernoulli_distribution, binomial_distribution,geometric_distribution)
2708         (negative_binomial_distribution, exponential_distribution)
2709         (weibull_distribution, extreme_value_distribution): Add non-explicit
2710         default constructors. Remove default argument for first parameter of
2711         explicit constructors.
2712         (piecewise_constant_distribution, piecewise_linear_distribution):
2713         Make default constructor non-explicit.
2714         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
2715         non-explicit default constructors. Remove default argument for first
2716         parameter of explicit constructor.
2717         * include/ext/random
2718         (simd_fast_mersenne_twister_engine, beta_distribution)
2719         (rice_distribution, nakagami_distribution, pareto_distribution)
2720         (k_distribution, arcsine_distribution, hoyt_distribution)
2721         (triangular_distribution, von_mises_distribution)
2722         (hypergeometric_distribution, logistic_distribution)
2723         (uniform_inside_sphere_distribution): Likewise.
2724         (uniform_on_sphere_distribution): Make default constructor
2725         non-explicit.
2726         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2727         Test for non-explicit default constructor. Fix references to standard.
2728         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2729         Likewise.
2730         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2731         Likewise.
2732         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2733         Likewise.
2734         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2735         Likewise.
2736         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2737         Likewise.
2738         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2739         Likewise.
2740         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2741         Likewise.
2742         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2743         Likewise.
2744         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2745         Likewise.
2746         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2747         Likewise.
2748         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2749         Likewise.
2750         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2751         Likewise.
2752         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2753         Likewise.
2754         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2755         Likewise.
2756         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2757         Likewise.
2758         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2759         Likewise.
2760         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2761         Likewise.
2762         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2763         Likewise.
2764         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2765         Likewise.
2766         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2767         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2768         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2769         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2770         Likewise.
2771         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2772         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2773         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2774         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2775         Likewise.
2776         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2777         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2778         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2779         Likewise.
2780         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2781         Likewise.
2782         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2783         Likewise.
2784         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2785         Likewise.
2786         * testsuite/util/testsuite_common_types.h
2787         (implicitly_default_constructible): New helper.
2788
2789 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
2790
2791         * include/bits/ios_base.h (ios::Init::Init(const Init&))
2792         (ios::Init::operator=): Define as defaulted.
2793         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
2794         Likewise.
2795         * include/bits/stream_iterator.h (istream_iterator::operator=)
2796         (ostream_iterator::operator=): Likewise.
2797         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
2798         Likewise.
2799         * include/std/bitset (bitset::reference::reference(const reference&)):
2800         Likewise.
2801         * include/std/complex (complex<float>::complex(const complex&))
2802         (complex<double>::complex(const complex&))
2803         (complex<long double>::complex(const complex&)): Likewise.
2804
2805 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
2806
2807         * include/bits/regex.h (sub_match): Add noexcept to default
2808         constructor and length observer.
2809         (match_results): Add noexcept to default constructor and observers
2810         with no preconditions. Define destructor as defaulted.
2811         (operator==, operator!=, swap): Add noexcept.
2812         (regex_iterator): Add default member initializers and define default
2813         constructor and destructor as defaulted. Add noexcept to equality
2814         and dereference operators.
2815
2816 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
2817
2818         * src/c++11/debug.cc
2819         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
2820         (_Safe_iterator_base::_M_detach_single()): Likewise.
2821         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
2822         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
2823
2824 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2825
2826         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
2827         move of const value.
2828
2829 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
2830
2831         PR c++/86068
2832         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
2833         rather than __cpp_transactional_memory >= 201505L.
2834
2835 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2836
2837         PR libstdc++/86008
2838         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
2839         Define new partial specialization.
2840         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
2841         new overload.
2842         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
2843         value not reference for iteration.
2844         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
2845         comment.
2846         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
2847         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
2848         comment.
2849
2850 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
2851
2852         * include/std/type_traits: Fix comment typos.
2853
2854         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
2855         mingw* targets.
2856         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2857         * testsuite/experimental/filesystem/operations/read_symlink.cc:
2858         Likewise.
2859
2860 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
2861
2862         * include/bits/stl_tempbuf.h
2863         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
2864         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
2865         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
2866         * include/bits/stl_algo.h (__stable_partition): Adapt.
2867         (__inplace_merge): Adapt.
2868         (__stable_sort): Adapt.
2869
2870 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
2871
2872         PR libstdc++/85930
2873         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
2874         unconditionally. Remove redundant declaration.
2875         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
2876         alignment-specifier.
2877
2878         * include/bits/postypes.h (fpos): Define special members as defaulted.
2879
2880         PR libstdc++/85930
2881         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
2882         the static variable correctly.
2883
2884 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2885
2886         PR libstdc++/78870 support std::filesystem on Windows
2887         * config.h.in: Regenerate.
2888         * configure: Regenerate.
2889         * configure.ac: Check for link, readlink and symlink.
2890         * include/bits/fs_path.h (path::operator/=(const path&)): Move
2891         definition out of class body.
2892         (path::is_absolute(), path::_M_append(path)): Likewise.
2893         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
2894         (operator>>(basic_istream, path&)): Likewise.
2895         (u8path): Reorder definitions and fix Windows implementation.
2896         (path::is_absolute()): Define inline and fix for Windows.
2897         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2898         Define POSIX version inline.
2899         (path::_M_append(path)): Define inline.
2900         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
2901         definition out of class body.
2902         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
2903         escape characters.
2904         (operator>>(basic_istream, path&)): Likewise.
2905         (path::is_absolute()): Define inline and fix for Windows.
2906         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
2907         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
2908         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
2909         Define as adaptors for Windows functions/types or as
2910         using-declarations for POSIX functions/types.
2911         (_Dir_base, get_file_type): Qualify names to use declarations from
2912         __gnu_posix namespace.
2913         (_Dir_base::is_dor_or_dotdot): New helper functions.
2914         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
2915         names to use declarations from __gnu_posix namespace.
2916         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
2917         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
2918         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
2919         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
2920         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
2921         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
2922         Define as adaptors for Windows functions/types or as
2923         using-declarations for POSIX functions/types.
2924         (stat_type, do_copy_file): Qualify names to use declarations from
2925         __gnu_posix namespace.
2926         (do_space): Declare new function.
2927         (make_file_type): Only use S_ISLNK if defined.
2928         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
2929         path::value_type not char.
2930         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2931         names to use declarations from __gnu_posix namespace.
2932         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2933         add implementation for Windows.
2934         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2935         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2936         [!_PC_PATH_MAX]: Don't use pathconf.
2937         [PATH_MAX]: Use if defined.
2938         (filesystem::current_path(const path&, error_code&))
2939         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2940         (filesystem::last_write_time, filesystem::permissions): Use names
2941         from __gnu_posix.
2942         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2943         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2944         implementation for Windows.
2945         (filesystem::rename, filesystem::resize_file): Use names from
2946         __gnu_posix.
2947         (filesystem::space): Use do_space.
2948         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
2949         (filesystem::status, filesystem::symlink_status): Use names from
2950         __gnu_posix.
2951         (filesystem::temp_directory_path): Add implementation for Windows.
2952         * src/filesystem/path.cc (dot): Define constant.
2953         (path::replace_extension): Use dot.
2954         (path::_M_find_extension): Likewise. Use path::string_type not
2955         std::string.
2956         (path::_M_split_cmpts): Use dot.
2957         (filesystem_error::_M_get_what): Use u8string() not native().
2958         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
2959         Qualify names to use declarations from __gnu_posix namespace.
2960         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
2961         correct error_code.
2962         (filesystem::absolute(const path&, error_code&)): Add implementation
2963         for Windows.
2964         (char_ptr, filesystem::canonical): Use path::value_type not char.
2965         (do_copy_file): Use names from __gnu_posix.
2966         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
2967         sendfile.
2968         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2969         names to use declarations from __gnu_posix namespace.
2970         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2971         add implementation for Windows.
2972         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2973         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2974         [!_PC_PATH_MAX]: Don't use pathconf.
2975         [PATH_MAX]: Use if defined.
2976         (filesystem::current_path(const path&, error_code&))
2977         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2978         (filesystem::last_write_time, filesystem::permissions): Use names
2979         from __gnu_posix.
2980         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2981         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2982         implementation for Windows.
2983         (filesystem::rename, filesystem::resize_file): Use names from
2984         __gnu_posix.
2985         (do_space): Define.
2986         (filesystem::space): Use do_space.
2987         (filesystem::status, filesystem::symlink_status): Use names from
2988         __gnu_posix.
2989         (filesystem::temp_directory_path): Add implementation for Windows.
2990         * src/filesystem/std-path.cc
2991         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2992         Define for Windows.
2993         (dot): Define constant.
2994         (path::replace_extension, is_dot): Use dot.
2995         (path::lexically_normal): Check _M_type instead of calling
2996         non-existent function.
2997         (path::_M_find_extension): Use dot. Use path::string_type not
2998         std::string.
2999         (path::_M_split_cmpts): Use dot.
3000         (filesystem_error::_M_get_what): Use u8string() not native().
3001         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
3002         use symlinks.
3003         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3004         Likewise.
3005         * testsuite/27_io/filesystem/operations/absolute.cc: Use
3006         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
3007         * testsuite/27_io/filesystem/operations/canonical.cc: Use
3008         path::string() to get narrow string, not path::native().
3009         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
3010         with std::filesystem::path not std::basic_string.
3011         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3012         * testsuite/27_io/filesystem/operations/exists.cc: Use
3013         __gnu_test::root_path() instead of "/".
3014         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
3015         fstreams with std::filesystem::path not std::basic_string.
3016         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
3017         path::string() to get narrow string.
3018         * testsuite/27_io/filesystem/operations/space.cc: Check results for
3019         errors, expect sensible values otherwise.
3020         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
3021         helpers for adjusting the environment on Windows.
3022         * testsuite/27_io/filesystem/path/append/path.cc: Test
3023         Windows-specific behaviour.
3024         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
3025         of path::string_type objects.
3026         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
3027         string to wide string on Windows.
3028         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
3029         for backslash as root-directory.
3030         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
3031         path::string() to get narrow string.
3032         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
3033         paths.
3034         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
3035         not std::string.
3036         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
3037         different definintion of absolute paths on Windows.
3038         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3039         Do not use symlinks.
3040         * testsuite/experimental/filesystem/operations/absolute.cc: Test
3041         Windows behaviour.
3042         * testsuite/experimental/filesystem/operations/copy.cc: Construct
3043         fstreams with NTCTS not std::basic_string.
3044         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3045         * testsuite/experimental/filesystem/operations/exists.cc: Use
3046         __gnu_test::root_path() instead of "/".
3047         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
3048         fstreams with NTCTS not std::basic_string.
3049         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3050         Use path::string() to get narrow string.
3051         * testsuite/experimental/filesystem/operations/space.cc: Use
3052         __gnu_test::root_path() instead of "/".
3053         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3054         Add helpers for adjusting the environment on Windows.
3055         * testsuite/experimental/filesystem/path/append/path.cc: Use
3056         path::string() to get narrow strings for comparisons.
3057         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3058         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3059         Likewise.
3060         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3061         * testsuite/experimental/filesystem/path/native/string.cc: Use
3062         string_type not std::string.
3063         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
3064         Adjust for different definintion of absolute paths on Windows.
3065         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
3066         function.
3067         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
3068         std::basic_string.
3069
3070 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
3071
3072         PR libstdc++/85951
3073         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
3074         uint_least16_t and uint_least32_t.
3075         (__make_unsigned<wchar_t>): Define unconditionally.
3076         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
3077         typedefs.
3078         (__make_unsigned_selector_base): New type to provide helper templates.
3079         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
3080         __make_unsigned_selector_base helpers.
3081         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
3082         (__make_signed_selector<_Tp, true, false>): Remove intermediate
3083         typedefs.
3084         (__make_signed<wchar_t>, __make_signed<char16_t>)
3085         (__make_signed<char32_t>)): Define unconditionally.
3086         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
3087         wchar_t, char16_t and char32_t are transformed correctly.
3088         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
3089         dg-error lineno.
3090         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
3091         wchar_t, char16_t and char32_t are transformed correctly.
3092         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
3093         dg-error lineno.
3094
3095 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
3096
3097         * include/std/variant (__erased_dtor): Qualify call to __get.
3098
3099 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
3100
3101         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
3102         (_Rb_tree(const allocator_type&)): Use latter.
3103         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
3104         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
3105         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3106         * include/bits/stl_multimap.h
3107         (multimap(const allocator_type&)): Likewise.
3108         (multimap(initializer_list<value_type>, const allocator_type&)):
3109         Likewise.
3110         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
3111         Likewise.
3112         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
3113         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
3114         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3115         * include/bits/stl_multiset.h
3116         (multiset(const allocator_type&)): Likewise.
3117         (multiset(initializer_list<value_type>, const allocator_type&)):
3118         Likewise.
3119         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
3120         Likewise.
3121
3122 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
3123
3124         PR libstdc++/85768
3125         * src/c++11/debug.cc: Remove backtrace usage.
3126
3127 2018-05-24  Maya Rashish  <coypu@sdf.org>
3128
3129         PR target/85904
3130         * crossconfig.m4: Test for aligned_alloc on netbsd.
3131         * configure: Regenerate.
3132
3133 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3134
3135         PR libstdc++/69769
3136         PR libstdc++/85886
3137         * include/bits/atomic_base.h (__atomic_base::value_type)
3138         (__atomic_base::difference_type): Add new typedefs.
3139         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
3140         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
3141         (atomic<T*>::operator++, atomic<T*>::operator--)
3142         (atomic<T*>::operator+=, atomic<T*>::operator-=)
3143         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
3144         to enforce C++17 requirement on pointer arithmetic.
3145         (__atomic_val_t, __atomic_diff_t): New alias templates.
3146         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
3147         (atomic_compare_exchange_weak_explicit)
3148         (atomic_compare_exchange_strong_explicit, atomic_store)
3149         (atomic_exchange, atomic_compare_exchange_weak)
3150         (atomic_compare_exchange_strong): Use __atomic_val_t to make
3151         scalar parameters be non-deduced contexts.
3152         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3153         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
3154         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
3155         parameters.
3156         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
3157         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
3158         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
3159         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3160         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
3161         address types.
3162         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
3163         * testsuite/29_atomics/atomic/69769.cc: New test.
3164         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
3165         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
3166         Disable test for C++17 and later.
3167         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
3168         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
3169         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
3170         test.
3171
3172 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
3173
3174         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
3175         template to alias template.
3176         (path::__value_type_is_char): Use remove_const_t.
3177         (path:_S_string_from_iter): New helper function.
3178         (path::_S_convert(InputIter, __null_terminated))
3179         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3180         Use _S_string_from_iter.
3181         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
3182         rep for COW strings.
3183         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3184         Change from class template to alias template.
3185         (path::__value_type_is_char): Use remove_const.
3186         (path:_S_string_from_iter): New helper function.
3187         (path::_S_convert(InputIter, __null_terminated))
3188         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3189         Use _S_string_from_iter.
3190         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
3191         wide strings.
3192         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
3193         string equality, not path equivalence.
3194         * testsuite/27_io/filesystem/path/construct/format.cc: Check
3195         construction from std::string and std::wstring and input iterators.
3196         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
3197         construction from iterators.
3198         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
3199         exact string equality, not path equivalence.
3200         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
3201         construction from iterators.
3202
3203         * include/bits/fs_path.h (path::_M_type): Change default member
3204         initializer to _Filename.
3205         (path::begin): Create past-the-end iterator for empty path.
3206         * src/filesystem/std-path.cc (path::remove_filename()): Remove
3207         debugging check.
3208         (path::has_relative_path()): Return false for empty filenames.
3209         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
3210         Fix offset of empty final component.
3211         * testsuite/27_io/filesystem/path/itr/components.cc: New.
3212         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
3213
3214 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3215
3216         Add support for opening file streams from wide character strings.
3217         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
3218         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3219         Define new overload.
3220         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
3221         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3222         Declare new overload.
3223         * configure.ac: Check for _wfopen.
3224         * crossconfig.m4: Likewise.
3225         * configure: Regenerate.
3226         * config.h.in: Regenerate.
3227         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
3228         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3229         Define new overload.
3230         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
3231         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3232         Declare new overload.
3233         [_GLIBCXX_HAVE__WFOPEN]
3234         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3235         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
3236         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3237         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
3238         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3239         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
3240         new overloads.
3241         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
3242         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
3243         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
3244         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
3245         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
3246         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
3247         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
3248
3249 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
3250
3251         PR libstdc++/85845
3252         * include/bits/stl_tree.h
3253         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
3254         qualification.
3255
3256 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3257
3258         * src/filesystem/std-ops.cc (absolute): Report an error for empty
3259         paths.
3260         (weakly_canonical(const path&)): Do not call canonical on empty path.
3261         (weakly_canonical(const path&, error_code&)): Likewise.
3262         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
3263
3264         PR libstdc++/85818
3265         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
3266         dg-require-filesystem-ts.
3267
3268         PR libstdc++/85843
3269         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
3270         initialize base class to avoid warnings.
3271
3272 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
3273
3274         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
3275         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
3276         little_endian element in bitmask.
3277         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
3278         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
3279
3280 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
3281
3282         * include/bits/stl_tree.h
3283         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
3284         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
3285         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
3286         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
3287         * include/debug/map.h
3288         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
3289         * include/debug/multimap.h
3290         (multimap(multimap&&, const_allocator_type&)): Likewise.
3291         * include/debug/set.h
3292         (set(set&&, const_allocator_type&)): Likewise.
3293         * include/debug/multiset.h
3294         (multiset(multiset&&, const_allocator_type&)): Likewise.
3295         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
3296         Add checks.
3297         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
3298         Add checks.
3299         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
3300         Add checks.
3301         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
3302         Add checks.
3303         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
3304         Add checks.
3305         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
3306         Add checks.
3307         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
3308         Add checks.
3309         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
3310         Add checks.
3311
3312 2018-05-18  Jason Merrill  <jason@redhat.com>
3313
3314         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
3315         for conversion to const_iterator.  Add defaulted copy ops.
3316         * libsupc++/new (bad_alloc): Add defaulted copy ops.
3317         * libsupc++/exception.h (exception): Add defaulted copy ops.
3318         * include/std/system_error (system_error): Add defaulted copy ops.
3319         * include/std/stdexcept (domain_error, invalid_argument)
3320         (length_error, out_of_range, range_error, overflow_error)
3321         (underflow_error): Add defaulted copy ops.
3322         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
3323         copy assignment.
3324         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
3325         * include/ext/throw_allocator.h (condition_base): Add defaulted
3326         default and copy ctor and copy assignment.
3327
3328 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
3329
3330         PR libstdc++/85098
3331         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
3332         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
3333         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
3334         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
3335         definitions.
3336         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
3337         whitespace.
3338         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
3339         braces around body of do-while.
3340         * testsuite/28_regex/basic_regex/85098.cc: New
3341
3342 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
3343
3344         PR libstdc++/85818
3345         * src/filesystem/path.cc (path::preferred_separator): Add used
3346         attribute.
3347         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
3348
3349         PR libstdc++/85812
3350         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
3351         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
3352         Refactor to separate non-throwing and throwing implementations.
3353         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
3354         if constructing the object throws.
3355
3356 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
3357
3358         PR libstdc++/85749
3359         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
3360         (linear_congruential_engine, mersenne_twister_engine)
3361         (subtract_with_carry_engine, discard_block_engine)
3362         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
3363         constrain function templates taking seed sequences.
3364         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
3365         (mersenne_twister_engine::seed(_Sseq&))
3366         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
3367         match declarations.
3368         * include/ext/random (simd_fast_mersenne_twister_engine): Use
3369         __is_seed_seq to constrain function templates taking seed sequences.
3370         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
3371         Change return type to match declaration.
3372         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
3373         New.
3374         * testsuite/26_numerics/random/independent_bits_engine/cons/
3375         seed_seq2.cc: New.
3376         * testsuite/26_numerics/random/linear_congruential_engine/cons/
3377         seed_seq2.cc: New.
3378         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
3379         seed_seq2.cc: New.
3380         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
3381         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
3382         New.
3383         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
3384         seed_seq2.cc: New.
3385         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
3386         seed_seq2.cc: New.
3387
3388         PR libstdc++/83891
3389         * include/bits/fs_path.h (path::is_absolute()): Use same definition
3390         for all operating systems.
3391         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
3392         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
3393         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
3394         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
3395
3396         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
3397         unused <vector> header.
3398         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3399         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3400         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3401         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3402         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
3403         Likewise.
3404         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3405         Likewise.
3406         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3407         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3408         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3409         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3410         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3411         Likewise.
3412         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3413         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3414         Likewise.
3415         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3416         Likewise.
3417         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3418         Likewise.
3419         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3420         Likewise.
3421         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3422         Likewise.
3423         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3424         Likewise.
3425         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3426         Likewise.
3427         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3428         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3429         Likewise.
3430
3431         PR libstdc++/84159
3432         * include/bits/fs_path.h (path::operator/=, path::append): Construct
3433         temporary path before calling _M_append.
3434         (path::_M_append): Change parameter to path and implement C++17
3435         semantics.
3436         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
3437         and more examples from the standard.
3438         * testsuite/27_io/filesystem/path/append/source.cc: New.
3439         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
3440         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
3441
3442         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
3443         __invoke to prevent ADL.
3444
3445 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
3446
3447         PR libstdc++/81256
3448         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
3449         exceptions from _M_terminate_output().
3450         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
3451         exceptions from close().
3452         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
3453
3454         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
3455         (__valarray_get_storage): Call operator new directly. Remove ignored
3456         top-level restrict qualifier and add malloc attribute instead.
3457         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
3458
3459         PR libstdc++/67554
3460         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
3461         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
3462
3463         PR libstdc++/82966
3464         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
3465         instead of type.
3466         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
3467
3468 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3469
3470         PR libstdc++/80165
3471         * testsuite/20_util/variant/80165.cc: New.
3472
3473 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3474
3475         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
3476         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
3477         of C++11 containers with Debug Mode support.
3478         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
3479         * doc/html/*: Regenerate.
3480
3481 2018-05-10  Jason Merrill  <jason@redhat.com>
3482
3483         * include/bits/regex_compiler.h (_S_cache_size): Change from
3484         function to variable.
3485
3486 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
3487
3488         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
3489         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
3490         argument defaulted to +1.  Doxy comments on same.
3491         * testsuite/special_functions/02_assoc_legendre/
3492         check_value.cc: Regen.
3493         * testsuite/tr1/5_numerical_facilities/special_functions/
3494         02_assoc_legendre/check_value.cc: Regen.
3495
3496 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3497
3498         PR libstdc++/85729
3499         * include/bits/c++config.h (__replacement_assert): Add linkage
3500         specification.
3501         * include/bits/std_abs.h: Add comment to closing brace of block.
3502         * include/c_global/cstddef: Add linkage specification.
3503         * include/c_global/cstring: Likewise.
3504         * include/c_global/cwchar: Likewise.
3505
3506 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
3507
3508         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
3509         Rename in...
3510         (_Safe_iterator<>::_S_constant()): ...that.
3511         * include/debug/safe_local_iterator.h
3512         (_Safe_local_iterator<>::_M_constant()): Rename in...
3513         (_Safe_local_iterator<>::_S_constant()): ...that.
3514         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
3515         (_Iterator_state::__rbegin): New.
3516         (_Iterator_state::__rmiddle): New.
3517         (_Iterator_state::__rend): New.
3518         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
3519         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
3520         iterator type.
3521         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
3522         _Is_iterator)): Likewise.
3523         (_Parameter::_S_reverse_state(_Iterator_state)): New.
3524         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
3525         _Is_iterator)): New.
3526         (_Parameter(std::reverse_iterator<> const&, const char*,
3527         _Is_iterator)): New.
3528         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
3529         const char*, _Is_iterator)): New.
3530         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
3531         New.
3532         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
3533         _Is_iterator)): New.
3534         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
3535         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
3536         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
3537
3538 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
3539
3540         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
3541         Use constexpr if in C++17 mode.
3542         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
3543         Copy from const object.
3544         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
3545
3546 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
3547
3548         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
3549         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
3550         backtrace.
3551
3552         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
3553         * include/debug/functions.h (__check_valid_range): Use latter.
3554         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
3555         use latter.
3556         * include/debug/deque
3557         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3558         * include/debug/forward_list
3559         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
3560         Likewise.
3561         * include/debug/list
3562         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3563         * include/debug/list
3564         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3565         * include/debug/map.h
3566         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3567         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3568         Likewise.
3569         * include/debug/multimap.h
3570         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3571         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
3572         const _Alloc&)): Likewise.
3573         * include/debug/set.h
3574         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3575         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3576         Likewise.
3577         * include/debug/multiset.h
3578         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3579         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
3580         const _Alloc&)): Likewise.
3581         * include/debug/string
3582         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
3583         Likewise.
3584         * include/debug/unordered_map
3585         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
3586         Likewise.
3587         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
3588         const _Alloc&)): Likewise.
3589         * include/debug/unordered_set
3590         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
3591         Likewise.
3592         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
3593         const _Alloc&)): Likewise.
3594         * include/debug/vector
3595         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3596
3597         * include/debug/formatter.h (_Error_formatter::_M_function): New.
3598         (_Error_formatter(const char*, unsigned int)): Adapt.
3599         (_Error_formatter::_M_at): Rename in...
3600         (_Error_formatter::_S_at): ...that and adapt.
3601         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
3602         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
3603         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
3604         when available.
3605
3606 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
3607
3608         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
3609         Use normal std::vector even in Debug Mode.
3610
3611         PR libstdc++/85672
3612         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
3613         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
3614         * include/Makefile.in: Regenerate.
3615         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
3616         within conditional block.
3617
3618 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
3619
3620         * doc/xml/manual/using.xml (table.cmd_options): Document that the
3621         C++17 Filesystem implementation also needs -lstdc++fs.
3622
3623         PR libstdc++/85671
3624         * include/bits/fs_path.h (operator/): Permit copy elision.
3625         * include/experimental/bits/fs_path.h (operator/): Likewise.
3626
3627 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
3628
3629         Moar PR libstdc++/80506
3630         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
3631         Fix magic number used in loop condition.
3632
3633 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
3634
3635         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
3636         * include/std/optional (_Optional_payload): Add noexcept to default
3637         constructor. Re-indent.
3638         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
3639         constructor for copying disengaged payloads.
3640         (_Optional_payload<_Tp, true, false, true>): Likewise.
3641         (_Optional_payload<_Tp, true, true, false>): Likewise.
3642         (_Optional_payload<_Tp, true, false, false>): Likewise.
3643         * testsuite/20_util/optional/cons/85642.cc: New.
3644         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
3645
3646 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
3647
3648         PR libstdc++/82644
3649         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
3650         inline definitions instead of using-declarations.
3651         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
3652         * testsuite/tr1/5_numerical_facilities/special_functions/
3653         07_conf_hyperg/compile_cxx17.cc: New.
3654         * testsuite/tr1/5_numerical_facilities/special_functions/
3655         17_hyperg/compile_cxx17.cc: New.
3656
3657         PR libstdc++/84769
3658         * include/std/variant (visit): Qualify std::get call.
3659
3660         PR libstdc++/85632 use uintmax_t for arithmetic
3661         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
3662         arithmetic in result type.
3663         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
3664         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
3665         is greater than free space.
3666         * testsuite/experimental/filesystem/operations/space.cc: New.
3667
3668         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
3669         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
3670         New.
3671         * testsuite/20_util/remove_cvref/value.cc: New.
3672         * testsuite/20_util/remove_cvref/value_ext.cc: New.
3673
3674         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
3675         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
3676         (append(const basic_string&, size_type, size_type)
3677         (assign(const basic_string&, size_type, size_type)
3678         (insert(size_type, const basic_string&, size_type, size_type)
3679         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3680         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3681         Add default arguments (LWG 2268).
3682         [_GLIBCXX_USE_CXX11_ABI=0]
3683         (append(const basic_string&, size_type, size_type)
3684         (assign(const basic_string&, size_type, size_type)
3685         (insert(size_type, const basic_string&, size_type, size_type)
3686         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3687         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3688         Likewise.
3689         * testsuite/21_strings/basic_string/dr2268.cc: New test.
3690
3691         PR libstdc++/84535
3692         * include/std/thread (thread::__not_same): New SFINAE helper.
3693         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
3694         first argument is not a std::thread. Add static assertion to check
3695         INVOKE expression is valid.
3696         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
3697         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
3698         __invoke_result for return types and remove exception specifications.
3699         * testsuite/30_threads/thread/cons/84535.cc: New.
3700
3701         * include/std/future (__async_result_of): Use __invoke_result instead
3702         of result_of.
3703
3704         * include/std/any (any_cast): Use __remove_cvref_t.
3705         * include/std/tuple (__make_tuple): Likewise.
3706         * include/std/type_traits (__remove_cvref_t): Define.
3707         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
3708         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
3709         * include/std/variant (__erased_hash): Use __remove_cvref_t.
3710
3711 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
3712
3713         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
3714         ensure overloaded comma not used.
3715         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
3716         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
3717         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
3718         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
3719         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
3720         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
3721         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
3722
3723 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
3724
3725         PR libstdc++/68197
3726         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
3727         indices to unsigned.
3728         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
3729         as failure. Refactor error handling.
3730         * testsuite/27_io/ios_base/storage/68197.cc: New.
3731
3732         PR libstdc++/57997
3733         PR libstdc++/83860
3734         * include/bits/gslice_array.h (gslice_array): Define default
3735         constructor as deleted, as per C++11 standard.
3736         * include/bits/mask_array.h (mask_array): Likewise.
3737         * include/bits/slice_array.h (slice_array): Likewise.
3738         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
3739         to namespace __detail.
3740         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
3741         members.
3742         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
3743         of data members in closure objects.
3744         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
3745         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
3746         __detail.
3747         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
3748         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
3749         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
3750         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
3751         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
3752         using-declarations to namespace std.
3753         * testsuite/26_numerics/valarray/83860.cc: New.
3754
3755         * testsuite/backward/strstream_move.cc: Remove duplicate function
3756         call.
3757
3758         PR libstdc++/69608
3759         * include/backward/strstream (strstreambuf): Define move constructor
3760         and move assignment operator.
3761         (istrstream, ostrstream, strstream): Likewise.
3762         * testsuite/backward/strstream_move.cc: New.
3763
3764 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
3765
3766         PR libstdc++/84654
3767         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
3768         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
3769         * configure: Regenerate.
3770         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
3771         based on ENABLE_FLOAT128.
3772         * include/Makefile.in: Regenerate.
3773         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
3774         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
3775         _GLIBCXX_USE_FLOAT128.
3776
3777 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3778
3779         * configure: Regenerated.
3780
3781 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
3782
3783         * configure: Regenerated.
3784
3785 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3786             Jakub Jelinek  <jakub@redhat.com>
3787
3788         PR libstdc++/85442
3789         * src/c++11/Makefile.am: Don't generate debuginfo again for
3790         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
3791         * src/c++11/Makefile.in: Regenerate.
3792
3793 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3794
3795         PR libstdc++/84442
3796         * testsuite/30_threads/thread/cons/terminate.cc
3797         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
3798
3799 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
3800
3801         PR jit/85384
3802         * configure: Regenerate.
3803
3804 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
3805
3806         * testsuite/experimental/filesystem/file_status/1.cc: Add
3807         -DUSE_FILESYSTEM_TS to dg-options.
3808         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3809         Likewise.
3810         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
3811         * testsuite/experimental/filesystem/iterators/
3812         recursive_directory_iterator.cc: Likewise.
3813         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
3814         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3815         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3816         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3817         * testsuite/experimental/filesystem/operations/create_directories.cc:
3818         Likewise.
3819         * testsuite/experimental/filesystem/operations/create_directory.cc:
3820         Likewise.
3821         * testsuite/experimental/filesystem/operations/create_symlink.cc:
3822         Likewise.
3823         * testsuite/experimental/filesystem/operations/current_path.cc:
3824         Likewise.
3825         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
3826         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3827         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
3828         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3829         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3830         Likewise.
3831         * testsuite/experimental/filesystem/operations/permissions.cc:
3832         Likewise.
3833         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3834         Likewise.
3835         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3836         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
3837         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
3838         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3839         Likewise.
3840         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
3841         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
3842         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
3843         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
3844         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
3845         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
3846         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3847         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
3848         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
3849         * testsuite/experimental/filesystem/path/construct/default.cc:
3850         Likewise.
3851         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
3852         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
3853         * testsuite/experimental/filesystem/path/construct/string_view.cc:
3854         Likewise.
3855         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3856         Likewise.
3857         * testsuite/experimental/filesystem/path/decompose/filename.cc:
3858         Likewise.
3859         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
3860         Likewise.
3861         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
3862         Likewise.
3863         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3864         Likewise.
3865         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
3866         Likewise.
3867         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
3868         Likewise.
3869         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3870         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
3871         Likewise.
3872         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
3873         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
3874         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
3875         Likewise.
3876         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
3877         Likewise.
3878         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
3879         Likewise.
3880         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
3881         Likewise.
3882         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
3883         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
3884         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
3885         Likewise.
3886         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3887         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3888         Likewise.
3889         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3890         Likewise.
3891         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3892         Likewise.
3893         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3894         Likewise.
3895         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3896         Likewise.
3897         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3898         Likewise.
3899         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3900         Likewise.
3901         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3902         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3903         Likewise.
3904
3905 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
3906
3907         * src/c++11/Makefile.am: Fix sed command.
3908         * src/c++11/Makefile.in: Regenerate.
3909
3910         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
3911         handle mangled names starting with double underscores on darwin.
3912         * src/c++11/Makefile.in: Regenerate.
3913
3914 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
3915
3916         * src/c++11/Makefile.am: Fix comment.
3917         * src/c++11/Makefile.in: Regenerate.
3918         * src/c++11/cxx11-ios_failure.cc: Fix comment.
3919         * src/c++98/ios_failure.cc: Likewise.
3920
3921         * src/c++11/ios.cc: Remove redundant macro definition.
3922
3923 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
3924
3925         * doc/xml/manual/abi.xml: Document header locations in recent
3926         releases.
3927         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
3928         * doc/xml/manual/spine.xml: Update copyright years.
3929         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
3930         undefined behaviour.
3931         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
3932         * doc/html/*: Regenerate.
3933
3934 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
3935
3936         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
3937         * doc/xml/manual/backwards_compatibility.xml: Likewise.
3938         * doc/xml/manual/containers.xml: Likewise.
3939         * doc/xml/manual/debug_mode.xml: Likewise.
3940         * doc/xml/manual/extensions.xml: Likewise.
3941         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
3942         * doc/xml/manual/using.xml: Likewise.
3943         * doc/xml/manual/utilities.xml: Likewise.
3944
3945         PR libstdc++/85222
3946         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
3947         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
3948         * src/c++11/Makefile.in: Regenerate.
3949         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
3950         New types.
3951         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3952         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
3953         * src/c++98/ios_failure.cc (__construct_ios_failure)
3954         (__destroy_ios_failure, is_ios_failure_handler): New functions.
3955         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3956         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
3957         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
3958         handler types, to always catch std::ios_base::failure.
3959         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3960         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3961         exceptions_failbit.cc: Likewise.
3962         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3963         exceptions_failbit.cc: Likewise.
3964         * testsuite/27_io/basic_istream/extractors_other/char/
3965         exceptions_null.cc: Likewise.
3966         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3967         exceptions_null.cc: Likewise.
3968         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3969         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3970         * testsuite/27_io/basic_ostream/inserters_other/char/
3971         exceptions_null.cc: Likewise.
3972         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3973         exceptions_null.cc: Likewise.
3974         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3975
3976 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
3977
3978         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
3979         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
3980
3981 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
3982
3983         PR libstdc++/85183
3984         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
3985         value categories.
3986         * testsuite/20_util/variant/85183.cc: New.
3987
3988 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
3989
3990         * include/std/variant (__get): Qualify calls to avoid ADL.
3991         (__select_index): Adjust whitespace.
3992         (variant): Add using-declaration to workaround Clang bug.
3993
3994 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
3995
3996         PR libstdc++/85040
3997         * include/bits/stl_function.h (greater::__not_overloaded)
3998         (less::__not_overloaded, greater_equal::__not_overloaded)
3999         (less_equal::__not_overloaded): Fix ambiguous specializations.
4000         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
4001         tests for type with overloaded operators.
4002
4003 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4004
4005         PR libstdc++/77691
4006         * testsuite/experimental/memory_resource/resource_adaptor.cc:
4007         xfail execution on 32-bit Solaris/x86.
4008
4009 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
4010
4011         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
4012         VERIFY instead of assert.
4013         * testsuite/20_util/hash/84998.cc: New test.
4014         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
4015         copy of test adjusted for Debug Mode.
4016         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
4017         test in Debug Mode.
4018
4019 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
4020
4021         PR libstdc++/84998
4022         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
4023         * include/std/bitset: Likewise.
4024         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
4025         declaration.
4026         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
4027         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
4028         * include/bits/stl_set.h (std::set<>): Likewise.
4029         * include/bits/unordered_map.h (std::unordered_map<>): Fix
4030         _Hash_merge_helper friend declaration.
4031         (std::unordered_multimap<>): Likewise.
4032         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
4033         (std::unordered_multiset<>): Likewise.
4034
4035 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4036
4037         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
4038         trailing slash for domain level link.
4039         * doc/xml/faq.xml: Ditto.
4040         * doc/xml/manual/appendix_free.xml (software): Ditto.
4041         * doc/xml/manual/intro.xml: Ditto.
4042         * doc/xml/manual/spine.xml: Ditto.
4043         * doc/xml/spine.xml: Ditto.
4044
4045 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4046
4047         * doc/xml/manual/documentation_hacking.xml: Adjust link to
4048         docbook.org.
4049
4050 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
4051
4052         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
4053         to compile as C++98.
4054
4055 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
4056
4057         PR libstdc++/78420
4058         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
4059         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
4060         to ensure total order for pointers.
4061         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
4062         Add operator() overloads for pointer arguments and make generic
4063         overloads dispatch to new _S_cmp functions when comparisons would
4064         use built-in operators for pointers.
4065         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
4066
4067 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
4068
4069         PR libstdc++/84773
4070         PR libstdc++/83662
4071         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
4072         * configure: Regenerate.
4073         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
4074         (aligned_alloc): Add using-declaration.
4075         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
4076
4077 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
4078
4079         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
4080         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
4081         registration.
4082
4083 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
4084
4085         PR libstdc++/84769
4086         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
4087         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
4088
4089         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
4090         src/filesystem/std-ops.cc (create_dir): Likewise.
4091
4092 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
4093
4094         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
4095         (StdListIteratorPrinter): Inherit from latter.
4096         (StdFwdListIteratorPrinter): New, inherit from latter.
4097         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
4098         when iterator has no associated container.
4099         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
4100         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
4101         registrations.
4102         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
4103         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
4104
4105 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
4106
4107         PR libstdc++/84601
4108         * include/std/optional (_Optional_payload): Split into multiple
4109         specializations that can handle different cases of trivial or
4110         non-trivial assignment operators.
4111         * testsuite/20_util/optional/84601.cc: New.
4112         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4113
4114 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
4115
4116         PR libstdc++/84671
4117         * include/bits/parse_numbers.h (_Number_help): Add partial
4118         specialization to handle digit separators. Adjust partial
4119         specialization for recursion temrination to require _Pow == 1ULL.
4120         * testsuite/20_util/duration/literals/84671.cc: New
4121
4122 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
4123
4124         Implement the missing bits of LWG 2769
4125         * include/std/any (any_cast(const any&)): Add static_assert.
4126         (any_cast(any&)): Likewise.
4127         (any_cast(any&&)): Likewise, and remove the handling
4128         for copyable-but-not-movable type.
4129         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
4130         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
4131         add new tests.
4132
4133 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
4134
4135         PR libstdc++/84532
4136         * include/std/thread (thread::__make_invoker): Construct tuple
4137         directly instead of using make_tuple.
4138         * testsuite/30_threads/async/84532.cc: New.
4139         * testsuite/30_threads/thread/84532.cc: New.
4140
4141 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
4142
4143         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
4144         (template<> __aligned_buffer): Define as __aligned_membuf alias.
4145
4146 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4147
4148         PR target/84148
4149         * configure: Regenerate.
4150
4151 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
4152
4153         PR libstdc++/81797
4154         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
4155         * configure: Regenerate.
4156         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
4157         defined.
4158         * include/Makefile.in: Regenerate.
4159
4160 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
4161
4162         PR libstdc++/83833
4163         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
4164         Add -ffloat-store to options for m68k and ia32.
4165
4166         * doc/xml/faq.xml: Update copyright years.
4167         * doc/html/*: Regenerate.
4168
4169         PR libstdc++/83658
4170         * include/std/any (any::__do_emplace): Only set _M_manager after
4171         constructing the contained object.
4172         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
4173         * testsuite/20_util/any/modifiers/83658.cc: New test.
4174
4175 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
4176
4177         PR libstdc++/81076
4178         * include/c_global/cstddef (__byte_operand): Define primary template.
4179         * testsuite/18_support/byte/81076.cc: New test.
4180
4181 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
4182
4183         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
4184         dg-options and dg-add-options order.
4185         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
4186         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
4187         Likewise.
4188         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
4189         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
4190         Likewise.
4191         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
4192         Likewise.
4193         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
4194         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
4195         Likewise.
4196         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
4197         Likewise.
4198         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
4199         Likewise.
4200         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
4201         Likewise.
4202         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
4203         Likewise.
4204         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
4205         Likewise.
4206         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
4207         Likewise.
4208         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
4209         Likewise.
4210         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
4211         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
4212         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
4213         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
4214         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
4215         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
4216         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
4217         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
4218         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
4219         Likewise.
4220         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
4221         Likewise.
4222         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
4223         Likewise.
4224         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
4225         Likewise.
4226
4227 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
4228
4229         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
4230         include linux/types.h when checking linux/random.h header.
4231         * config.h.in: Regenerate.
4232         * configure: Ditto.
4233         * src/c++11/random.cc: Conditionally include linux/types.h.
4234
4235 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
4236
4237         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
4238
4239 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
4240
4241         PR libstdc++/83834
4242         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
4243         pattern with exact match for std::cerr.
4244
4245 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4246
4247         PR libstdc++/83833
4248         * include/bits/random.h (chi_squared_distribution::param): Update
4249         gamma distribution parameter.
4250         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
4251         test.
4252
4253         PR libstdc++/83830
4254         * include/std/type_traits (has_unique_object_representations_v): Add
4255         variable template.
4256         * testsuite/20_util/has_unique_object_representations/value.cc: Check
4257         variable template.
4258
4259 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
4260
4261         Make optional conditionally
4262         trivially_{copy,move}_{constructible,assignable}
4263         * include/std/optional (_Optional_payload): Fix the comment in
4264         the class head and turn into a primary and one specialization.
4265         (_Optional_payload::_M_engaged): Strike the NSDMI.
4266         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
4267         New.
4268         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
4269         Likewise.
4270         (_Optional_payload<_Tp, false>::_M_get): Likewise.
4271         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
4272         (_Optional_base_impl): Likewise.
4273         (_Optional_base): Turn into a primary and three specializations.
4274         (optional(nullopt)): Change the base init.
4275         * testsuite/20_util/optional/assignment/8.cc: New.
4276         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
4277         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4278
4279 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4280
4281         PR libstdc++/80276
4282         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
4283         (get_template_arg_list): New.
4284         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
4285         instead.
4286         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
4287         of strings and regular expressions.
4288         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
4289         (FilteringTypePrinter): Add docstring. Match using startswith. Use
4290         strip_inline_namespaces instead of strip_versioned_namespace.
4291         (add_one_type_printer): Prepend namespace to match argument.
4292         (register_type_printers): Add type printers for char16_t and char32_t
4293         string types and for types using cxx11 ABI. Update calls to
4294         add_one_template_type_printer to provide default argument dicts.
4295         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
4296         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
4297         basic_string<unsigned char> and basic_string<signed char>.
4298         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
4299         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
4300
4301 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
4302
4303         PR libstdc++/81092
4304         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
4305
4306 2018-01-13  Tim Shen  <timshen@google.com>
4307
4308         PR libstdc++/83601
4309         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
4310         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
4311         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
4312
4313 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4314
4315         PR libstdc++/64054
4316         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
4317         Remove dg-xfail-run-if.
4318
4319 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
4320
4321         * include/bits/forward_list.h
4322         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
4323         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
4324         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
4325         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
4326         (_Fwd_list_impl()): Add noexcept qualification.
4327         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
4328         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
4329         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
4330         (_Fwd_list_base()): Default.
4331         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
4332         (_Fwd_list_base(_Fwd_list_base&&)): Default.
4333         (forward_list<>()): Default.
4334         (forward_list<>(forward_list&&)): Default.
4335         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
4336         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
4337         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
4338         * include/bits/forward_list.tcc
4339         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
4340         _M_impl._M_head move assignment.
4341         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
4342         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
4343
4344 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
4345
4346         PR libstdc++/80276
4347         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
4348         (UniquePointerPrinter): Print correct template argument, not type of
4349         the pointer.
4350         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
4351         a type.
4352         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
4353         array type.
4354         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
4355         weak_ptr of array types.
4356
4357 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
4358
4359         PR libstdc++/83709
4360         * include/bits/hashtable_policy.h
4361         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
4362         __first != __last.
4363         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
4364         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
4365         Add false_type parameter.
4366         (_Insert_base::insert): Adapt.
4367         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
4368         Adapt.
4369         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
4370          Add __n_elt parameter, defaulted to 1.
4371         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
4372         policy _M_need_rehash.
4373         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
4374         produce only 1 rehash if necessary.
4375         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
4376         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
4377
4378 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
4379             Jonathan Wakely  <jwakely@redhat.com>
4380
4381         PR libstdc++/59253 (partial)
4382         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
4383         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
4384         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
4385         children.
4386         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
4387         of unique_ptr printer.
4388         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
4389         output of shared_ptr printer.
4390
4391 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
4392
4393         PR libstdc++/83626
4394         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
4395         unnecessary symlink_status call.
4396         (remove_all(const path&, error_code&)): Use filesystem::remove.
4397         * src/filesystem/std-ops.cc: Likewise.
4398
4399         PR libstdc++/83279
4400         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
4401         sendfile.
4402
4403         PR libstdc++/83626
4404         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
4405         report an error for ENOENT.
4406         (remove_all(const path&)): Fix type of result variable.
4407         (remove_all(const path&, error_code&)): Use non-throwing increment
4408         for directory iterator. Call POSIX remove directly to avoid redundant
4409         calls to symlink_status. Do not report errors for ENOENT.
4410         * src/filesystem/std-ops.cc: Likewise.
4411         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
4412         overload.
4413         * testsuite/experimental/filesystem/operations/remove_all.cc:
4414         Likewise.
4415
4416 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
4417
4418         PR libstdc++/83626
4419         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
4420         redundant call to ec.clear().
4421         (remove_all(const path&, error_code&))): Do not return an error for
4422         non-existent paths.
4423         * src/filesystem/std-ops.cc: Likewise.
4424         * testsuite/27_io/filesystem/operations/remove.cc: New test.
4425         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
4426         results for non-existent paths.
4427         * testsuite/experimental/filesystem/operations/remove.cc: New test.
4428         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
4429         expected results for non-existent paths.
4430
4431         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
4432         check status_known once.
4433         * include/experimental/bits/fs_ops.h: Likewise.
4434
4435         PR libstdc++/83607
4436         * include/std/functional (__is_byte_like): New trait.
4437         (__is_std_equal_to): Remove.
4438         (__boyer_moore_base_t): Use __is_byte_like instead of
4439         __is_std_equal_to.
4440         * include/experimental/functional (__is_std_equal_to): Remove.
4441         (__boyer_moore_base_t): Use __is_byte_like instead of
4442         __is_std_equal_to.
4443         * testsuite/20_util/function_objects/83607.cc: New test.
4444
4445 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
4446
4447         Protect optional's deduction guide with the feature macro
4448         * include/std/optional: Use the feature macro.
4449
4450 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4451
4452         Update copyright years.
4453 \f
4454 Copyright (C) 2018 Free Software Foundation, Inc.
4455
4456 Copying and distribution of this file, with or without modification,
4457 are permitted in any medium without royalty provided the copyright
4458 notice and this notice are preserved.