libstdc++-v3/ChangeLog

   1 2018-09-28  François Dumont  <fdumont@gcc.gnu.org>
   2
   3         * include/debug/functions.h
   4         (__foreign_iterator_aux3(const _Safe_iterator<>&, const _InputeIter&,
   5         const _InputIter&, __true_type)): Use empty() rather than begin() ==
   6         end().
   7
   8 2018-09-25  Mike Crowe  <mac@mcrowe.com>
   9
  10         * include/std/condition_variable (condition_variable::wait_for): Use
  11         steady clock in overload that uses a predicate.
  12
  13 2018-09-25  Jonathan Wakely  <jwakely@redhat.com>
  14
  15         PR libstdc++/87431
  16         * include/std/variant (_Variant_storage<true, _Types...>::_M_valid):
  17         Avoid runtime test when all alternatives are scalars and so cannot
  18         throw during initialization.
  19
  20 2018-09-25  Gerald Pfeifer  <gerald@pfeifer.com>
  21
  22         * doc/xml/manual/codecvt.xml: Move link to "UTF-8 and Unicode FAQ"
  23         to https.
  24
  25 2018-09-24  Gerald Pfeifer  <gerald@pfeifer.com>
  26
  27         * doc/xml/manual/policy_data_structures_biblio.xml: Update link
  28         to "Priority Queues and the STL".
  29
  30 2018-09-23  Gerald Pfeifer  <gerald@pfeifer.com>
  31
  32         * doc/xml/manual/using_exceptions.xml: Move boost.orgs link to
  33         https.
  34
  35 2018-09-21  François Dumont  <fdumont@gcc.gnu.org>
  36
  37         PR libstdc++/87135
  38         * src/c++11/hashtable_c++0x.cc (_Prime_rehash_policy::_M_next_bkt):
  39         Use __builtin_floor to compute _M_next_resize.
  40         * testsuite/23_containers/unordered_set/hash_policy/71181.cc: Adapt.
  41         * testsuite/23_containers/unordered_set/hash_policy/prime_rehash.cc:
  42         Adapt.
  43
  44 2018-09-21  Jonathan Wakely  <jwakely@redhat.com>
  45
  46         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Remove.
  47         * testsuite/26_numerics/headers/cmath/hypot.cc: Restore test for
  48         long double unconditionally, but use lower tolerance when
  49         sizeof(long double) == sizeof(double).
  50
  51 2018-09-20  Christophe Lyon  <christophe.lyon@linaro.org>
  52
  53         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: Skip
  54         on arm*.
  55
  56 2018-09-19  Jonathan Wakely  <jwakely@redhat.com>
  57
  58         * include/bits/regex_automaton.tcc (_StateSeq<_TraitsT>::_M_clone()):
  59         Remove __glibcxx_assert statements and use map::find instead of
  60         map::operator[].
  61
  62 2018-09-18  François Dumont  <fdumont@gcc.gnu.org>
  63
  64         PR libstdc++/87135
  65         * src/c++11/hashtable_c++0x.cc:
  66         (_Prime_rehash_policy::_M_next_bkt): Return a prime no smaller than
  67         requested size, but not necessarily greater.
  68         (_Prime_rehash_policy::_M_need_rehash): Rehash only if target size is
  69         strictly greater than next resize threshold.
  70         * testsuite/23_containers/unordered_map/modifiers/reserve.cc: Adapt test
  71         to validate that there is no rehash as long as number of insertion is
  72         lower or equal to the reserved number of elements.
  73
  74 2018-09-18  Jonathan Wakely  <jwakely@redhat.com>
  75
  76         * include/bits/unique_ptr.h (__uniq_ptr_impl): Remove static assertion
  77         checking invocable condition.
  78         (unique_ptr::~unique_ptr, unique_ptr::reset): Restore static assertion
  79         here, where types must be complete. Pass pointer to deleter as an
  80         rvalue.
  81         * testsuite/20_util/unique_ptr/requirements/incomplete.cc: New test.
  82
  83 2018-09-13  Jonathan Wakely  <jwakely@redhat.com>
  84
  85         * include/std/variant (variant) [__clang__]: Limit workaround to
  86         Clang 7 and older.
  87
  88 2018-09-11  Jonathan Wakely  <jwakely@redhat.com>
  89
  90         PR libstdc++/87278
  91         * include/bits/shared_ptr.h (make_shared): Use remove_cv instead of
  92         remove_const.
  93         * testsuite/20_util/shared_ptr/creation/87278.cc: New test.
  94
  95         Implement LWG 2905 changes to constrain unique_ptr constructors
  96         * include/bits/unique_ptr.h (__uniq_ptr_impl): Add assertions to
  97         check deleter type.
  98         (unique_ptr::unique_ptr(pointer, const deleter_type&)): Add copy
  99         constructible constraint.
 100         (unique_ptr::unique_ptr(pointer, deleter_type&&)): Disable for
 101         deleters of reference type and add move constructible constraint.
 102         (unique_ptr::unique_ptr(pointer, remove_reference_t<deleter_type>&&)):
 103         Disable for deleters of non-reference type. Define as deleted.
 104         (unique_ptr<T[], D>): Likewise.
 105         * testsuite/20_util/unique_ptr/assign/48635_neg.cc: Replace dg-error
 106         directives with unstable line numbers with dg-prune-output.
 107         * testsuite/20_util/unique_ptr/cons/cv_qual_neg.cc: Likewise.
 108         * testsuite/20_util/unique_ptr/cons/lwg2905.cc: New test.
 109         * testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
 110         Make deleter types invocable.
 111
 112 2018-09-05  Jonathan Wakely  <jwakely@redhat.com>
 113
 114         * libsupc++/cxxabi.h (__cxa_demangle): Clarify doxygen comment.
 115
 116 2018-09-03  Jonathan Wakely  <jwakely@redhat.com>
 117
 118         PR libstdc++/78179
 119         * testsuite/26_numerics/headers/cmath/hypot-long-double.cc: New test
 120         that runs the long double part of hypot.cc.
 121         * testsuite/26_numerics/headers/cmath/hypot.cc: Disable long double
 122         tests unless TEST_HYPOT_LONG_DOUBLE is defined.
 123
 124         * include/bits/stl_vector.h (vector::_Temporary_value::_M_ptr):
 125         Return raw pointer not allocator's pointer type.
 126         (vector::_Temporary_value::_M_val): Use _M_ptr.
 127
 128         PR libstdc++/87194
 129         * include/bits/stl_map.h
 130         (map::map(initializer_list<value_type>, const Compare&, const Alloc&))
 131         (map::map(initializer_list<value_type>, const Alloc&))
 132         (map::map(InputIterator, InputIterator, const Alloc&))
 133         (map::map(InputIterator, InputIterator))
 134         (map::map(InputIterator, InputIterator, const Compare&, const Alloc&))
 135         (map::insert(InputIterator, InputIterator)):
 136         Call _M_insert_range_unique instead of _M_insert_unique.
 137         * include/bits/stl_multimap.h
 138         (multimap::multimap(initializer_list<value_type>, const C&, const A&))
 139         (multimap::multimap(initializer_list<value_type>, const A&))
 140         (multimap::multimap(InputIterator, InputIterator, const A&))
 141         (multimap::multimap(InputIterator, InputIterator))
 142         (multimap::multimap(InputIterator, InputIterator, const C&, const A&))
 143         (multimap::insert(InputIterator, InputIterator)): Call
 144         _M_insert_range_equal instead of _M_insert_equal.
 145         * include/bits/stl_multiset.h
 146         (multiset::multiset(InputIterator, InputIterator))
 147         (multiset::multiset(InputIterator, InputIterator, const C&, const A&))
 148         (multiset::multiset(initializer_list<value_type>, const C&, const A&))
 149         (multiset::multiset(initializer_list<value_type>, const A&))
 150         (multiset::multiset(InputIterator, InputIterator, const A&))
 151         (multiset::insert(InputIterator, InputIterator)): Call
 152         _M_insert_range_equal instead of _M_insert_equal.
 153         * include/bits/stl_set.h
 154         (set::set(InputIterator, InputIterator))
 155         (set::set(InputIterator, InputIterator, const Compare&, const Alloc&))
 156         (set::set(initializer_list<value_type>, const Compare&, const Alloc&))
 157         (set::set(initializer_list<value_type>, const Alloc&))
 158         (set::set(InputIterator, InputIterator, const Alloc&))
 159         (set::insert(InputIterator, InputIterator)):
 160         Call _M_insert_range_unique instead of _M_insert_unique.
 161         * include/bits/stl_tree.h
 162         [__cplusplus >= 201103L] (_Rb_tree::__same_value_type): New alias
 163         template for SFINAE constraints.
 164         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_unique): Pair of
 165         constrained overloads that either insert or emplace, depending on
 166         iterator's value_type.
 167         [__cplusplus >= 201103L] (_Rb_tree::_M_insert_range_equal): Likewise.
 168         [__cplusplus < 201103L] (_Rb_tree::_M_insert_range_unique)
 169         (_Rb_tree::_M_insert_range_equal): New functions replacing range
 170         versions of _M_insert_unique and _M_insert_equal.
 171         (_Rb_tree::_M_insert_unique(_InputIterator, _InputIterator))
 172         (_Rb_tree::_M_insert_equal(_InputIterator, _InputIterator)): Remove.
 173         * testsuite/23_containers/map/modifiers/insert/87194.cc: New test.
 174         * testsuite/23_containers/multimap/modifiers/insert/87194.cc: New test.
 175         * testsuite/23_containers/multiset/modifiers/insert/87194.cc: New test.
 176         * testsuite/23_containers/set/modifiers/insert/87194.cc: New test.
 177
 178         PR libstdc++/78595
 179         * include/bits/stl_map.h (map::insert(_Pair&&))
 180         (map::insert(const_iterator, _Pair&&)): Do emplace instead of insert.
 181         * include/bits/stl_multimap.h (multimap::insert(_Pair&&))
 182         (multimap::insert(const_iterator, _Pair&&)): Likewise.
 183         * include/bits/unordered_map.h (unordered_map::insert(_Pair&&))
 184         (unordered_map::insert(const_iterator, _Pair&&))
 185         (unordered_multimap::insert(_Pair&&))
 186         (unordered_multimap::insert(const_iterator, _Pair&&)): Likewise.
 187         * testsuite/23_containers/map/modifiers/insert/78595.cc: New test.
 188         * testsuite/23_containers/multimap/modifiers/insert/78595.cc: New test.
 189         * testsuite/23_containers/unordered_map/modifiers/78595.cc: New test.
 190         * testsuite/23_containers/unordered_multimap/modifiers/78595.cc: New
 191         test.
 192
 193 2018-09-02  François Dumont  <fdumont@gcc.gnu.org>
 194
 195         * include/debug/safe_iterator.h
 196         (_Safe_iterator<_It, _Seq, _Cat>::_Self): New.
 197         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>::_Self):
 198         New.
 199         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 200         ::_OtherSelf): New.
 201         (_GLIBCXX_DEBUG_VERIFY_OPERANDS, _GLIBCXX_DEBUG_VERIFY_EQ_OPERANDS)
 202         (_GLIBCXX_DEBUG_VERIFY_REL_OPERANDS)
 203         (_GLIBCXX_DEBUG_VERIFY_DIST_OPERANDS): Define macros.
 204         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 205         ::operator+(difference_type)): Use latters, inline as friend.
 206         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 207         ::operator-(difference_type)): Likewise.
 208         (operator==(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 209         Likewise.
 210         (operator!=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 211         Likewise.
 212         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 213         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 214         Likewise.
 215         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 216         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 217         Likewise.
 218         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 219         (operator+(difference_type, const _Safe_iterator<>&)): Likewise.
 220         (operator-(const _Safe_iterator<>&, difference_type)): Likewise.
 221         * include/debug/safe_iterator.tcc
 222         (_Safe_iterator<>::_M_can_advance(difference_type)): Take parameter by
 223         copy.
 224         * include/debug/safe_local_iterator.h
 225         (_Safe_local_iterator<_It, _Seq>::_Self): New.
 226         (_Safe_local_iterator<_It, _Seq>::_OtherSelf): New.
 227         (_GLIBCXX_DEBUG_VERIFY_OPERANDS): Define macro.
 228         (operator==(const _Safe_local_iterator<>&,
 229         const _Safe_local_iterator<>&)): Use latter, inline as friend.
 230         (operator!=(const _Safe_local_iterator<>&,
 231         const _Safe_local_iterator<>&)): Likewise.
 232         * testsuite/util/testsuite_containers.h: Include utility.
 233         (struct forward_members_unordered<_Tp, bool>): Remove 2nd template
 234         parameter.
 235         (forward_members_unordered<>::forward_members_unordered(value_type&)):
 236         Add using namespace std::rel_ops.
 237         Add iterator_concept_checks on local_iterator and const_local_iterator.
 238         Add asserts on comparison between const_local_iterator and
 239         local_iterator.
 240         (struct forward_members_unordered<_Tp, false>): Remove partial
 241         specialization.
 242         * testsuite/23_containers/forward_list/types/1.cc: New.
 243         * testsuite/23_containers/list/types/1.cc: New.
 244
 245 2018-09-01  Gerald Pfeifer  <gerald@pfeifer.com>
 246
 247         * doc/xml/manual/profile_mode.xml: Update three ieeexplore.ieee.org
 248         references.
 249
 250 2018-08-31  Sandra Loosemore  <sandra@codesourcery.com>
 251
 252         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/10.cc:
 253         Add dg-require-fileio.
 254         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/11.cc:
 255         Likewise.
 256         * testsuite/21_strings/basic_string/inserters_extractors/wchar_t/5.cc:
 257         Likewise.
 258         * testsuite/21_strings/basic_string_view/inserters/wchar_t/2.cc:
 259         Likewise.
 260         * testsuite/25_algorithms/copy/streambuf_iterators/wchar_t/4.cc:
 261         Likewise.
 262         * testsuite/25_algorithms/find/istreambuf_iterators/wchar_t/2.cc:
 263         Likewise.
 264         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-1.cc: Likewise.
 265         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-2.cc: Likewise.
 266         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-3.cc: Likewise.
 267         * testsuite/27_io/basic_filebuf/close/wchar_t/12790-4.cc: Likewise.
 268         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/11543.cc: Likewise.
 269         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-1.cc:
 270         Likewise.
 271         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-2.cc:
 272         Likewise.
 273         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-3.cc:
 274         Likewise.
 275         * testsuite/27_io/basic_filebuf/seekoff/wchar_t/12790-4.cc:
 276         Likewise.
 277         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-1.cc:
 278         Likewise.
 279         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-2.cc:
 280         Likewise.
 281         * testsuite/27_io/basic_filebuf/seekpos/wchar_t/12790-4.cc:
 282         Likewise.
 283         * testsuite/27_io/basic_filebuf/underflow/wchar_t/2.cc: Likewise.
 284         * testsuite/27_io/basic_filebuf/underflow/wchar_t/3.cc: Likewise.
 285         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: Likewise.
 286         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: Likewise.
 287         * testsuite/27_io/basic_istream/extractors_character/wchar_t/4.cc:
 288         Likewise.
 289         * testsuite/27_io/basic_istream/extractors_other/wchar_t/2.cc:
 290         Likewise.
 291         * testsuite/27_io/basic_istream/get/wchar_t/2.cc: Likewise.
 292         * testsuite/27_io/basic_istream/getline/wchar_t/5.cc: Likewise.
 293         * testsuite/27_io/basic_istream/ignore/wchar_t/2.cc: Likewise.
 294         * testsuite/27_io/basic_istream/ignore/wchar_t/3.cc: Likewise.
 295         * testsuite/27_io/basic_istream/seekg/wchar_t/sstream.cc: Likewise.
 296         * testsuite/27_io/basic_istream/tellg/wchar_t/sstream.cc: Likewise.
 297         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: Likewise.
 298         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: Likewise.
 299         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/1.cc:
 300         Likewise.
 301         * testsuite/27_io/objects/wchar_t/10.cc: Likewise.
 302         * testsuite/27_io/objects/wchar_t/12048-1.cc: Likewise.
 303         * testsuite/27_io/objects/wchar_t/12048-2.cc: Likewise.
 304         * testsuite/27_io/objects/wchar_t/12048-3.cc: Likewise.
 305         * testsuite/27_io/objects/wchar_t/12048-4.cc: Likewise.
 306         * testsuite/27_io/objects/wchar_t/12048-5.cc: Likewise.
 307         * testsuite/experimental/string_view/inserters/wchar_t/2.cc:
 308         Likewise.
 309         * testsuite/ext/stdio_sync_filebuf/wchar_t/1.cc: Likewise.
 310
 311 2018-08-30  Sandra Loosemore  <sandra@codesourcery.com>
 312
 313         * testsuite/experimental/propagate_const/observers/1.cc: Make
 314         dependence on -fdelete-null-pointer-checks explicit.
 315
 316 2018-08-30  Jonathan Wakely  <jwakely@redhat.com>
 317
 318         * include/bits/hashtable_policy.h (__clp2): Fix calculation for LLP64
 319         targets where sizeof(size_t) > sizeof(long). Avoid undefined shifts
 320         of the number of bits in the type.
 321         * include/std/bit (__ceil2): Avoid undefined shifts.
 322         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: Test values with
 323         the most signifiant bit set.
 324
 325         * config/abi/pre/gnu.ver: Add missing exports for mingw.
 326
 327         * include/ext/pointer.h (_Pointer_adapter): Define operators for
 328         pointer arithmetic using long long offsets.
 329         * testsuite/ext/ext_pointer/1.cc: Test pointer arithmetic using
 330         long long values.
 331
 332 2018-08-29  Jonathan Wakely  <jwakely@redhat.com>
 333
 334         PR libstdc++/31413
 335         * testsuite/22_locale/time_get/get_date/wchar_t/4.cc: Check D_FMT
 336         string for alternative format.
 337
 338 2018-08-28  Jonathan Wakely  <jwakely@redhat.com>
 339
 340         PR libstdc++/87116
 341         * src/filesystem/std-path.cc (path::lexically_normal): When handling
 342         a dot-dot filename, preserve an empty final component in the iteration
 343         sequence.
 344         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Use preferred-separator for
 345         root-directory.
 346         * testsuite/27_io/filesystem/path/generation/normal.cc: Add new tests
 347         for more than two adjacent dot-dot filenames.
 348         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Replace slashes with
 349         preferred-separator in expected normalized strings.
 350
 351 2018-08-25  Iain Sandoe  <iain@sandoe.co.uk>
 352
 353         PR libstdc++/70694
 354         * configure.host (OPT_LDFLAGS): Don't append
 355         -fvisibility-inlines-hidden for newer Darwin.
 356
 357 2018-08-24  Marc Glisse  <marc.glisse@inria.fr>
 358
 359         PR libstdc++/86822
 360         * libsupc++/new (operator new(size_t, nothrow_t), operator
 361         new[](size_t, nothrow_t), operator new(size_t, align_val_t, nothrow_t),
 362         operator new[](size_t, align_val_t, nothrow_t)): Add malloc attribute.
 363
 364 2018-08-24  Jonathan Wakely  <jwakely@redhat.com>
 365
 366         * include/debug/deque (std::__debug::deque): Declare.
 367         * include/debug/forward_list (std::__debug::forward_list): Declare.
 368         * include/debug/list (std::__debug::list): Declare.
 369         * include/debug/map (std::__debug::map): Declare.
 370         * include/debug/set (std::__debug::set): Declare.
 371         * include/debug/unordered_map (std::__debug::unordered_map): Declare.
 372         * include/debug/unordered_set (std::__debug::unordered_set): Declare.
 373         * include/debug/vector (std::__debug::vector): Declare.
 374         * testsuite/23_containers/deque/types/pmr_typedefs_debug.cc: New test.
 375         * testsuite/23_containers/forward_list/pmr_typedefs_debug.cc: New
 376         test.
 377         * testsuite/23_containers/list/pmr_typedefs_debug.cc: New test.
 378         * testsuite/23_containers/map/pmr_typedefs_debug.cc: New test.
 379         * testsuite/23_containers/multimap/pmr_typedefs_debug.cc: New test.
 380         * testsuite/23_containers/multiset/pmr_typedefs_debug.cc: New test.
 381         * testsuite/23_containers/set/pmr_typedefs_debug.cc: New test.
 382         * testsuite/23_containers/unordered_map/pmr_typedefs_debug.cc: New
 383         test.
 384         * testsuite/23_containers/unordered_multimap/pmr_typedefs_debug.cc:
 385         New test.
 386         * testsuite/23_containers/unordered_multiset/pmr_typedefs_debug.cc:
 387         New test.
 388         * testsuite/23_containers/unordered_set/pmr_typedefs_debug.cc: New
 389         test.
 390         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc:
 391         Adjust dg-error lineno.
 392         * testsuite/23_containers/vector/types/pmr_typedefs_debug.cc: New
 393         test.
 394
 395 2018-08-23  Jonathan Wakely  <jwakely@redhat.com>
 396
 397         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
 398         Only define when RTTI is enabled.
 399
 400         * include/debug/vector (__niter_base): Define for C++98.
 401
 402         * testsuite/25_algorithms/partial_sort_copy/debug/irreflexive_neg.cc:
 403         Fix C++98 test to not use C++11 features.
 404         * testsuite/25_algorithms/fill_n/2.cc: Likewise.
 405
 406         * scripts/check_compile: Fix comments.
 407
 408         * include/debug/string (insert(__const_iterator, _InIter, _InIter)):
 409         [!_GLIBCXX_USE_CXX11_ABI]: Replace use of C++11-only cbegin() with
 410         begin(), for C++98 compatibility.
 411
 412         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
 413         (basic_string::__const_iterator): Change access to protected.
 414         [!_GLIBCXX_USE_CXX11_ABI] (basic_string::__const_iterator): Define
 415         as typedef for iterator.
 416         * include/debug/string (__const_iterator): Use typedef from base.
 417         (insert(const_iterator, _CharT))
 418         (replace(const_iterator, const_iterator, const basic_string&))
 419         (replace(const_iterator, const_iterator, const _CharT*, size_type))
 420         (replace(const_iterator, const_iterator, const CharT*))
 421         (replace(const_iterator, const_iterator, size_type, _CharT))
 422         (replace(const_iterator, const_iterator, _InputIter, _InputIter))
 423         (replace(const_iterator, const_iterator, initializer_list<_CharT>)):
 424         Change const_iterator parameters to __const_iterator.
 425         (insert(iterator, size_type, _CharT)): Add C++98 overload.
 426         (insert(const_iterator, _InputIterator, _InputIterator)): Change
 427         const_iterator parameter to __const_iterator.
 428         [!_GLIBCXX_USE_CXX11_ABI]: Add workaround for incorrect return type
 429         of base's member function.
 430         (insert(const_iterator, size_type, _CharT)) [!_GLIBCXX_USE_CXX11_ABI]:
 431         Likewise.
 432         (insert(const_iterator, initializer_list<_CharT>))
 433         [!_GLIBCXX_USE_CXX11_ABI]: Likewise.
 434         * testsuite/21_strings/basic_string/init-list.cc: Remove effective
 435         target directive.
 436
 437         * testsuite/20_util/reference_wrapper/lwg2993.cc: Fix C++11 test to
 438         not use C++14 feature.
 439         * testsuite/23_containers/list/68222_neg.cc: Likewise.
 440
 441         * testsuite/21_strings/basic_string/init-list.cc:
 442         Require cxx11-abi.
 443         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 444         Likewise.
 445         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 446         Likewise.
 447
 448         * testsuite/23_containers/deque/capacity/max_size.cc: Fix test for
 449         C++98 mode.
 450         * testsuite/23_containers/deque/modifiers/assign/1.cc: Likewise.
 451         * testsuite/23_containers/list/modifiers/assign/1.cc: Likewise.
 452         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: Likewise.
 453         * testsuite/23_containers/vector/capacity/max_size.cc: Likewise.
 454         * testsuite/23_containers/vector/modifiers/assign/1.cc: Likewise.
 455
 456 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 457
 458         PR libstdc++/87061
 459         * include/experimental/regex [!_GLIBCXX_USE_CXX11_ABI]
 460         (experimental::pmr::match_results, experimental::pmr::cmatch)
 461         (experimental::pmr::smatch, experimental::pmr::wcmatch)
 462         (experimental::pmr::wsmatch): Do not declare for gcc4-compatible ABI,
 463         because COW strings don't support C++11 allocator model.
 464         * include/experimental/string [!_GLIBCXX_USE_CXX11_ABI]
 465         (experimental::pmr::basic_string, experimental::pmr::string)
 466         (experimental::pmr::u16string, experimental::pmr::u32string)
 467         (experimental::pmr::wstring): Likewise.
 468         * include/std/regex [!_GLIBCXX_USE_CXX11_ABI] (pmr::match_results)
 469         (pmr::cmatch, pmr::smatch, pmr::wcmatch, pmr::wsmatch): Likewise.
 470         * include/std/string [!_GLIBCXX_USE_CXX11_ABI] (pmr::basic_string)
 471         (pmr::string, pmr::u16string, pmr::u32string, pmr::wstring): Likewise.
 472         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: Require
 473         cxx11-abi.
 474         * testsuite/28_regex/match_results/pmr_typedefs.cc: Likewise.
 475
 476         PR libstdc++/78448
 477         * include/bits/deque.tcc (deque::_M_range_initialize): Use
 478         _S_check_init_len to check size.
 479         (deque::_M_push_back_aux, deque::_M_push_front_aux): Throw length
 480         error if size would exceed max_size().
 481         * include/bits/stl_deque.h (_Deque_base::size_type): Remove typedef.
 482         (_Deque_base(_Deque_base&&, const allocator_type&, size_t)): Use
 483         size_t instead of size_type.
 484         (deq(size_type, const allocator_type&)
 485         (deq(size_type, const value_type&, const allocator_type&)
 486         (deque::_M_initialize_dispatch): Use _S_check_init_len to check size.
 487         (deque::max_size): Call _S_max_size.
 488         (deque::_S_check_init_len, deque::_S_max_size): New functions.
 489         * include/bits/stl_vector.h (vector(size_type, const allocator_type&))
 490         (vector(size_type, const value_type&, const allocator_type&))
 491         (vector::_M_initialize_dispatch, vector::_M_range_initialize): Use
 492         _S_check_init_len to check size.
 493         (vector::max_size): Call _S_max_size.
 494         (vector::_M_check_len): Prevent max from being expanded as a
 495         function-like macro.
 496         (vector::_S_check_init_len, vector::_S_max_size): New functions.
 497         * include/bits/vector.tcc (vector::_M_assign_aux): Use
 498         _S_check_init_len to check size.
 499         * testsuite/23_containers/deque/capacity/max_size.cc: New test.
 500         * testsuite/23_containers/vector/capacity/max_size.cc: New test.
 501
 502 2018-08-22  François Dumont  <fdumont@gcc.gnu.org>
 503
 504         PR libstdc++/68222
 505         * include/debug/safe_iterator.h
 506         (_Safe_iterator<_It, _Sq, _Cat>): Add category template parameter.
 507         (_Safe_iterator<>::_Const_iterator): Remove.
 508         (_Safe_iterator<>::_IsConstant): New.
 509         (_Safe_iterator<>::_OtherIterator): New.
 510         (_Safe_iterator<_It, _Sq, _Cat>::_Safe_iterator<_MutIte>(
 511         const _Safe_iterator<_MutIte, _Sq, _Cat>&)): Add _IsConstant::__value in
 512         __gnu_cxx::__enable_if condition.
 513         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to): New.
 514         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_from_begin): New.
 515         (_Safe_iterator<_It, _Sq, _Cat>::_M_get_distance_to_end): New.
 516         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>): New.
 517         (_Safe_iterator<_It, _Sq, _Cat>::operator--()): Move...
 518         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 519         ::operator--()): ...here.
 520         (_Safe_iterator<_It, _Sq, _Cat>::operator--(int)): Move...
 521         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 522         ::operator--(int)): ...here.
 523         (_Safe_iterator<_It, _Sq, _Cat>::_M_decrementable()): Move...
 524         (_Safe_iterator<_It, _Sq, std::bidirectional_iterator_tag>
 525         ::_M_decrementable()): ...here.
 526         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>): New.
 527         (_Safe_iterator<_It, _Sq, _Cat>::operator[](const difference_type&)):
 528         Move...
 529         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 530         ::operator[](const difference_type&)): ...here.
 531         (_Safe_iterator<_It, _Sq, _Cat>::operator+=(const difference_type&)):
 532         Move...
 533         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 534         ::operator+=(const difference_type&)): ...here.
 535         (_Safe_iterator<_It, _Sq, _Cat>::operator+(const difference_type&)):
 536         Move...
 537         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 538         ::operator+(const difference_type&)): ...here.
 539         (_Safe_iterator<_It, _Sq, _Cat>::operator-=(const difference_type&)):
 540         Move...
 541         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 542         ::operator-=(const difference_type&)): ...here.
 543         (_Safe_iterator<_It, _Sq, _Cat>::operator-(const difference_type&)):
 544         Move...
 545         (_Safe_iterator<_It, _Sq, std::random_access_iterator_tag>
 546         ::operator-(const difference_type&)): ...here.
 547         (operator<(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 548         Constraint to random access iterators.
 549         (operator<=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 550         Likewise.
 551         (operator>(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 552         (operator>=(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 553         Likewise.
 554         (operator-(const _Safe_iterator<>&, const _Safe_iterator<>&)): Likewise.
 555         (operator+(const difference_type&, const _Safe_iterator<>&)): Likewise.
 556         (__check_dereferenceable(const _Safe_iterator<>&)): Remove.
 557         (__get_distance): Remove.
 558         (__get_distance_from_begin): Remove.
 559         (__get_distance_to_end): Remove.
 560         (struct __is_safe_random_iterator<_Safe_iterator<>>): Remove partial
 561         specialization.
 562         (__base(const _Safe_iterator<>&, std::input_iterator_tag)): Remove.
 563         (__base(const _Safe_iterator<>&, std::random_access_iterator_tag)): Remove.
 564         (__base(const _Safe_iterator<>&)): Constraint to random access iterator.
 565         * include/debug/safe_iterator.tcc
 566         (_Safe_iterator<>::_M_get_distance_from_begin()): New.
 567         (_Safe_iterator<>::_M_get_distance_to_end()): New.
 568         (_Safe_iterator<>::_M_get_distance_to(const _Safe_iterator<>&)): New.
 569         (_Safe_iterator<_It, _Seq, std::random_access_iterator_tag>
 570         ::_M_valid_range): New.
 571         * include/debug/safe_local_iterator.h
 572         (_Safe_local_iterator<>::_Const_local_iterator): Remove.
 573         (_Safe_local_iterator<>::_IsConstant): New.
 574         (_Safe_local_iterator<>::_OtherIterator): New.
 575         (_Safe_local_iterator<_It, _Cont>::_Safe_local_iterator<_MutIte, _Cont>(
 576         const _Safe_local_iterator<_MutIte, _Seq>&)): Add _IsConstant::__value
 577         in __gnu_cxx::__enable_if condition. If singular compare base iterator
 578         with _MutIte rather than _It.
 579         (_Safe_local_iterator<>::_S_constant): Make constexpr.
 580         (_Safe_local_iterator<>::_M_get_distance_to): New.
 581         (__check_dereferenceable(const _Safe_local_iterator<>&)): Remove.
 582         (__get_distance(const _Safe_local_iterator<>&,
 583         const _Safe_local_iterator<>&, std::input_iterator_tag)): Remove.
 584         (__valid_range(const _Safe_local_iterator<>&,
 585         const _Safe_local_iterator<>&)): New.
 586         * include/debug/safe_local_iterator.tcc
 587         (_Safe_local_iterator<>::_M_get_distance_to): New.
 588         * include/debug/deque (std::__debug::deque<>): Add
 589         ::__gnu_debug::_Safe_iterator<> friend declaration.
 590         * include/debug/forward_list (std::__debug::forward_list<>): Likewise.
 591         * include/debug/list (std::__debug::list<>): Likewise.
 592         * include/debug/map.h (std::__debug::map<>): Likewise.
 593         * include/debug/multimap.h (std::__debug::multimap<>): Likewise.
 594         * include/debug/set.h (std::__debug::set<>): Likewise.
 595         * include/debug/multiset.h (std::__debug::multiset<>): Likewise.
 596         * include/debug/string (std::__debug::basic_string<>): Likewise.
 597         * include/debug/unordered_map (std::__debug::unordered_map<>): Likewise
 598         and add ::__gnu_debug::_Safe_local_iterator<> friend declaration.
 599         (std::__debug::unordered_multimap<>): Likewise.
 600         * include/debug/unordered_set (std::__debug::unordered_set<>): Likewise.
 601         (std::__debug::unordered_multiset<>): Likewise.
 602         * include/debug/formatter.h: Adapt.
 603         * include/debug/helper_functions.h
 604         (__gnu_debug::_Safe_local_iterator<>): Add declaration.
 605         (__get_distance<_Ite>(_Ite, _Ite, std::random_access_iterator_tag):
 606         Pass parameter by copy.
 607         (__get_distance<_Ite>(_Ite, _Ite, std::input_iterator_tag): Likewise.
 608         (__get_distance<_Ite>(_Ite, _Ite): Likewise.
 609         (__valid_range_aux<_Integral>): Pass _Integral by copy.
 610         (__valid_range<_InputIterator>): Pass _InputIterator by copy.
 611         (__valid_range<>(const _Safe_iterator<>&,
 612         const _Safe_iterator<>&, typename _Distance_traits<>::__type&)):
 613         Declare.
 614         (__valid_range(const _Safe_local_iterator<>&,
 615         const _Safe_local_iterator<>&, typename _Distance_traits<>::__type&)):
 616         Declare.
 617         (__valid_range<>(const _Safe_iterator<>&, const _Safe_iterator<>&)):
 618         Declare.
 619         (__valid_range(const _Safe_local_iterator<>&, const _Safe_local_iterator<>&)):
 620         Declare.
 621         (__can_advance): Adapt.
 622         (struct __is_safe_random_iterator<>): Remove.
 623         (struct _SIter_base<>): Remove.
 624         * include/debug/functions.h: Include <bits/stl_iterator.h>.
 625         (__check_dereferenceable): Remove.
 626         (__foreign_iterator_aux4, __foreign_iterator_aux3): Adapt.
 627         (__foreign_iterator_aux2, __foreign_iterator_aux): Adapt.
 628         (__foreign_iterator): Adapt.
 629         * include/debug/stl_iterator.h
 630         (__is_safe_random_iterator<std::reverse_iterator<>>): Remove.
 631         (__base(const std::reverse_iterator<_Safe_iterator<_It, _Sq>)):
 632         Constraint for random access iterators.
 633         (__niter_base): Adapt.
 634         * testsuite/util/testsuite_containers.h:
 635         Include <bits/boost_concept_check.h>.
 636         (iterator_concept_checks<_It, _Mutable, _Category>): New.
 637         (citerator<_Cont>::forward_members::forward_members()): Instantiate
 638         latter for container iterator and const_iterator.
 639         * testsuite/23_containers/list/68222_neg.cc: New.
 640         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: Adapt
 641         line number.
 642         * testsuite/23_containers/unordered_set/debug/debug_functions.cc:
 643         (test01): Remove.
 644         * testsuite/23_containers/vector/debug/debug_functions.cc (test01):
 645         Remove.
 646
 647 2018-08-22  Jonathan Wakely  <jwakely@redhat.com>
 648
 649         PR libstdc++/77854
 650         * doc/xml/manual/status_cxx1998.xml: Document size_type and
 651         difference_type for containers.
 652         * doc/html/*: Regenerate.
 653
 654 2018-08-21  François Dumont  <fdumont@gcc.gnu.org>
 655
 656         P0646R1 Improving the Return Value of Erase-Like Algorithms I
 657         * include/debug/forward_list (forward_list::__remove_return_type):
 658         Define typedef as size_type or void, according to __cplusplus value.
 659         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 660         empty, according to __cplusplus value.
 661         (_GLIBCXX20_ONLY): Define macro.
 662         (forward_list::remove, forward_list::unique): Use typedef and macro
 663         to change return type and add abi-tag for C++2a. Return number of
 664         removed elements for C++2a.
 665         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
 666         typedef to change return type for C++2a. Return number of removed
 667         elements for C++2a.
 668         * include/debug/list (list::__remove_return_type): Define typedef as
 669         size_type or void, according to __cplusplus value.
 670         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
 671         empty, according to __cplusplus value.
 672         (_GLIBCXX20_ONLY): Define macro.
 673         (list::remove, list::unique): Use typedef and macro to change return
 674         type and add abi-tag for C++2a. Return number of removed elements for
 675         C++2a.
 676         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use typedef
 677         to change return type for C++2a. Return number of removed elements for
 678         C++2a.
 679
 680 2018-08-21  David Edelsohn  <dje.gcc@gmail.com>
 681
 682         * testsuite/18_support/new_nothrow.cc: XFAIL on AIX.
 683
 684 2018-08-21  Jonathan Wakely  <jwakely@redhat.com>
 685
 686         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: Remove
 687         redundant dg-do directive.
 688         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: Likewise.
 689         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: Likewise.
 690         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: Likewise.
 691         * testsuite/26_numerics/bit/bitops.count/popcount.cc: Likewise.
 692
 693 2018-08-20  Jonathan Wakely  <jwakely@redhat.com>
 694
 695         PR libstdc++/86963
 696         * include/std/tuple (_Tuple_impl::operator=): Define as deleted.
 697         (_Tuple_impl::_M_assign): New functions to perform assignment instead
 698         of assignment operators.
 699         (_Tuple_impl::_M_swap): Remove exception specification.
 700         (_Tuple_impl<_Idx, _Head>): Likewise.
 701         (_TC::_NonNestedTuple, _TC::_NotSameTuple): Use __remove_cvref_t.
 702         (__tuple_base): Remove.
 703         (tuple, tuple<_T1, _T2>): Remove inheritance from __tuple_base.
 704         (tuple::operator=, tuple<_T1, _T2>::operator=): Call _M_assign.
 705         (tuple::swap, tuple<_T1, _T2>::swap): Define exception specification
 706         using __is_nothrow_swappable.
 707         (tuple<_T1, _T2>::tuple(_U1&&, _U2&&)): Use __remove_cvref_t.
 708
 709         * include/std/optional (_Optional_payload): Use variable templates
 710         for conditions in default template arguments and exception
 711         specifications.
 712         (optional): Likewise. Adjust indentation.
 713         (optional::__not_self, optional::__not_tag, optional::_Requires): New
 714         SFINAE helpers.
 715         (optional::optional): Use new helpers in constructor constraints.
 716         * include/std/type_traits (__or_v, __and_v): New variable templates.
 717         * testsuite/20_util/optional/cons/value_neg.cc: Change dg-error to
 718         dg-prune-output. Remove unused header.
 719
 720 2018-08-18  François Dumont  <fdumont@gcc.gnu.org>
 721
 722         * testsuite/25_algorithms/copy/86658.cc: Use dg-options to define
 723         _GLIBCXX_DEBUG.
 724
 725 2018-08-17  Jonathan Wakely  <jwakely@redhat.com>
 726
 727         PR libstdc++/86963
 728         * include/std/tuple (__tuple_base): New class template with deleted
 729         copy assignment operator.
 730         (tuple, tuple<_T1, _T2>): Derive from __tuple_base<tuple> so that
 731         implicit copy/move assignment operator will be deleted/suppressed.
 732         (tuple::__assignable, tuple<_T1, _T2>::__assignable): New helper
 733         functions for SFINAE constraints on assignment operators.
 734         (tuple::__nothrow_assignable, tuple<_T1, _T2>::__nothrow_assignable):
 735         New helper functions for exception specifications.
 736         (tuple::operator=(const tuple&), tuple::operator=(tuple&&))
 737         (tuple<_T1, _T2>::operator=(const tuple&))
 738         (tuple<_T1, _T2>::operator=(tuple&&)): Change parameter types to
 739         __nonesuch_no_braces when the operator should be defined implicitly.
 740         Use __nothrow_assignable for exception specifications.
 741         (tuple::operator=(const tuple<_UElements...>&))
 742         (tuple::operator=(tuple<_UElements...>&&))
 743         (tuple<_T1, _T2>::operator=(const tuple<_U1, _U2>&))
 744         (tuple<_T1, _T2>::operator=(tuple<_U1, _U2>&&))
 745         (tuple<_T1, _T2>::operator=(const pair<_U1, _U2>&))
 746         (tuple<_T1, _T2>::operator=(pair<_U1, _U2>&&)): Constrain using
 747         __assignable and use __nothrow_assignable for exception
 748         specifications.
 749         * python/libstdcxx/v6/printers.py (is_specialization_of): Accept
 750         gdb.Type as first argument, instead of a string.
 751         (StdTuplePrinter._iterator._is_nonempty_tuple): New method to check
 752         tuple for expected structure.
 753         (StdTuplePrinter._iterator.__init__): Use _is_nonempty_tuple.
 754         * testsuite/20_util/tuple/dr2729.cc: New test.
 755         * testsuite/20_util/tuple/element_access/get_neg.cc: Change dg-error
 756         to dg-prune-output.
 757
 758 2018-08-16  Jonathan Wakely  <jwakely@redhat.com>
 759
 760         * include/tr1/legendre_function.tcc (__sph_legendre): Avoid warning
 761         about signed/unsigned comparison.
 762
 763         * include/std/ostream (basic_ostream::sentry::~sentry): Suppress
 764         deprecation warnings for using uncaught_exception().
 765
 766         PR libstdc++/86447
 767         * src/c++11/cow-stdexcept.cc [_GLIBCXX_FULLY_DYNAMIC_STRING]
 768         (logic_error::logic_error(logic_error&&))
 769         (logic_error::operator=(logic_error&&))
 770         (runtime_error::runtime_error(runtime_error&&))
 771         (runtime_error::operator=(runtime_error&&)): Copy strings instead of
 772         moving, to avoid allocating empty reps for moved-from strings.
 773
 774 2018-08-15  Jonathan Wakely  <jwakely@redhat.com>
 775
 776         * include/experimental/regex: Remove begin/end macros for namespace.
 777         * include/experimental/string: Likewise.
 778         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_deque.cc:
 779         New test.
 780         * testsuite/experimental/polymorphic_allocator/
 781         pmr_typedefs_forward_list.cc: New test.
 782         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_list.cc:
 783         New test.
 784         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_map.cc:
 785         New test.
 786         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_match.cc:
 787         New test.
 788         * testsuite/experimental/polymorphic_allocator/
 789         pmr_typedefs_multimap.cc: New test.
 790         * testsuite/experimental/polymorphic_allocator/
 791         pmr_typedefs_multiset.cc: New test.
 792         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_set.cc:
 793         New test.
 794         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_string.cc:
 795         New test.
 796         * testsuite/experimental/polymorphic_allocator/
 797         pmr_typedefs_unordered_map.cc: New test.
 798         * testsuite/experimental/polymorphic_allocator/
 799         pmr_typedefs_unordered_multimap.cc: New test.
 800         * testsuite/experimental/polymorphic_allocator/
 801         pmr_typedefs_unordered_multiset.cc: New test.
 802         * testsuite/experimental/polymorphic_allocator/
 803         pmr_typedefs_unordered_set.cc: New test.
 804         * testsuite/experimental/polymorphic_allocator/pmr_typedefs_vector.cc:
 805         New test.
 806
 807         * include/bits/uses_allocator.h (__uses_allocator_construct): Qualify
 808         calls to __uses_allocator_construct_impl and __use_alloc.
 809         * include/experimental/memory_resource
 810         (polymorphic_allocator::_M_construct): Remove.
 811         (polymorphic_allocator::construct): Call __uses_allocator_construct.
 812         Qualify calls to __use_alloc.
 813         * include/std/memory_resource (polymorphic_allocator::construct): Fix
 814         type in SFINAE constraint. Use constexpr if instead of tag dispatching
 815         to _S_construct overloads.
 816         (polymorphic_allocator::construct(pair<T1, T2>*, ...)): Fix order of
 817         arguments to _S_construct_p.
 818         (polymorphic_allocator::_S_construct): Remove.
 819         (polymorphic_allocator::_S_construct_p): Return allocators by value
 820         not by reference.
 821         * include/std/scoped_allocator (scoped_allocator_adaptor::construct):
 822         Qualify calls to __use_alloc.
 823         * testsuite/20_util/polymorphic_allocator/construct_pair.cc: New test,
 824         copied from testsuite/20_util/scoped_allocator/construct_pair.cc.
 825         * testsuite/experimental/polymorphic_allocator/1.cc: New test.
 826         * testsuite/experimental/polymorphic_allocator/construct_pair.cc:
 827         New test.
 828
 829         * src/c++17/memory_resource.cc [!_GLIBCXX_HAS_GTHREADS]
 830         (atomic_mem_res): Add unsynchronized definition for single-threaded.
 831
 832 2018-08-14  Jonathan Wakely  <jwakely@redhat.com>
 833
 834         PR libstdc++/86954
 835         * include/bits/stl_tempbuf.h (return_temporary_buffer): Use
 836         non-placement delete.
 837
 838         * include/std/chrono (__check_overflow): Simplify definition.
 839         (_Checked_integral_constant): Remove.
 840
 841         PR libstdc++/86846
 842         * src/c++17/default_resource.h: New file, defining default_res.
 843         * src/c++17/memory_resource.cc [ATOMIC_POINTER_LOCK_FREE != 2]
 844         (atomic_mem_res): Define alternative for atomic<memory_resource*>
 845         using a mutex instead of atomics.
 846
 847         PR libstdc++/85343
 848         * config/abi/pre/gnu.ver: Export new symbol.
 849         * doc/xml/manual/abi.xml: Document new versions.
 850         * include/bits/fstream.tcc (basic_filebuf<C, T>::underflow)
 851         (basic_filebuf<C, T>::xsgetn): Pass errno to __throw_ios_failure.
 852         * include/bits/functexcept.h (__throw_ios_failure(const char*, int)):
 853         Declare new overload.
 854         * src/c++11/cxx11-ios_failure.cc (__ios_failure): Add new constructor
 855         and static member function.
 856         (__throw_ios_failure(const char*, int)): Define.
 857         * src/c++98/ios_failure.cc [!_GLIBCXX_USE_DUAL_ABI]
 858         (__throw_ios_failure(const char*, int)): Define.
 859
 860 2018-08-14  Jeremy Sawicki  <jeremy-gcc@sawicki.us>
 861
 862         * include/ext/rope (_Rope_iterator_base(const _Rope_iterator_base&))
 863         (_Rope_const_iterator::operator=(const _Rope_const_iterator&))
 864         (_Rope_iterator::operator=(const _Rope_iterator&)): Ensure
 865         copied/assigned rope iterators don't retain pointers to the iterator
 866         they were copied/assigned from.
 867         * testsuite/ext/rope/7.cc: New.
 868
 869 2018-08-13  Jonathan Wakely  <jwakely@redhat.com>
 870
 871         PR libstdc++/45093
 872         * include/bits/stl_tree.h (_Rb_tree::_M_destroy_node(_Link_type)):
 873         Combine definitions to avoid --detect-odr-violations warning.
 874
 875         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Use
 876         __is_pow2 to check for valid alignment. Avoid branching when rounding
 877         size to multiple of alignment.
 878
 879         * include/Makefile.am: Install <bit> and <version> for freestanding.
 880         * include/Makefile.in: Regenerate.
 881         * testsuite/17_intro/freestanding.cc: Check for <bit> and <version>.
 882
 883         Revert
 884         2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 885
 886         PR target/85904
 887         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 888         Newlib.
 889         * configure: Regenerate.
 890
 891 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 892
 893         PR libstdc++/68210
 894         * doc/xml/manual/intro.xml: Document LWG 206 change.
 895         * libsupc++/del_op.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 896         * libsupc++/del_opa.cc: Likewise.
 897         * libsupc++/del_opant.cc: Likewise.
 898         * libsupc++/del_opnt.cc: Likewise. Call operator delete(ptr) instead
 899         of free(ptr).
 900         * libsupc++/del_ops.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 901         * libsupc++/del_opsa.cc: Likewise.
 902         * libsupc++/del_opva.cc: Likewise.
 903         * libsupc++/del_opvant.cc: Likewise.
 904         * libsupc++/del_opvnt.cc: Likewise. Call operator delete[](ptr)
 905         instead of operator delete(ptr).
 906         * libsupc++/del_opvs.cc: Replace _GLIBCXX_USE_NOEXCEPT with noexcept.
 907         * libsupc++/del_opvsa.cc: Likewise.
 908         * libsupc++/new_op.cc: Use __builtin_expect in check for zero size.
 909         * libsupc++/new_opa.cc: Use nullptr instead of literal 0.
 910         * libsupc++/new_opant.cc: Likewise. Replace _GLIBCXX_USE_NOEXCEPT
 911         with noexcept.
 912         * libsupc++/new_opnt.cc: Likewise. Call operator new(sz) instead of
 913         malloc(sz).
 914         * libsupc++/new_opvant.cc: Use nullptr and noexcept.
 915         * libsupc++/new_opvnt.cc: Likewise. Call operator new[](sz) instead of
 916         operator new(sz, nothrow).
 917         * testsuite/18_support/new_nothrow.cc: New test.
 918
 919 2018-08-10  Martin Liska  <mliska@suse.cz>
 920
 921         * libsupc++/new_op.cc (new): Remove __builtin_expect as malloc
 922         predictor can handle that.
 923         * libsupc++/new_opa.cc: Likewise.
 924         * libsupc++/new_opnt.cc (new): Likewise.
 925
 926 2018-08-10  Sebastian Huber  <sebastian.huber@embedded-brains.de>
 927
 928         PR target/85904
 929         * configure.ac: Define HAVE_ALIGNED_ALLOC if building for
 930         Newlib.
 931         * configure: Regenerate.
 932
 933 2018-08-10  Jonathan Wakely  <jwakely@redhat.com>
 934
 935         * include/std/deque (std::pmr::deque): Declare alias.
 936         * include/std/forward_list (std::pmr::forward_list): Likewise.
 937         * include/std/list (std::pmr::list): Likewise.
 938         * include/std/map (std::pmr::map, std::pmr::multimap): Likewise.
 939         * include/std/regex (std::pmr::match_results, std::pmr::cmatch)
 940         (std::pmr::smatch, std::pmr::wcmatch, std::pmr::wsmatch): Likewise.
 941         * include/std/set (std::pmr::set, std::pmr::multiset): Likewise.
 942         * include/std/string (std::pmr::basic_string, std::pmr::string)
 943         (std::pmr::u16string, std::pmr::u32string, std::pmr::wstring):
 944         Likewise.
 945         * include/std/unordered_map (std::pmr::unordered_map)
 946         (std::pmr::unordered_multimap): Likewise.
 947         * include/std/unordered_set (std::pmr::unordered_set)
 948         (std::pmr::unordered_multiset): Likewise.
 949         * include/std/vector (std::pmr::vector): Likewise.
 950         * testsuite/21_strings/basic_string/types/pmr_typedefs.cc: New test.
 951         * testsuite/23_containers/deque/types/pmr_typedefs.cc: New test.
 952         * testsuite/23_containers/forward_list/pmr_typedefs.cc: New test.
 953         * testsuite/23_containers/list/pmr_typedefs.cc: New test.
 954         * testsuite/23_containers/map/pmr_typedefs.cc: New test.
 955         * testsuite/23_containers/multimap/pmr_typedefs.cc: New test.
 956         * testsuite/23_containers/multiset/pmr_typedefs.cc: New test.
 957         * testsuite/23_containers/set/pmr_typedefs.cc: New test.
 958         * testsuite/23_containers/unordered_map/pmr_typedefs.cc: New test.
 959         * testsuite/23_containers/unordered_multimap/pmr_typedefs.cc: New
 960         test.
 961         * testsuite/23_containers/unordered_multiset/pmr_typedefs.cc: New
 962         test.
 963         * testsuite/23_containers/unordered_set/pmr_typedefs.cc: New test.
 964         * testsuite/23_containers/vector/pmr_typedefs.cc: New test.
 965         * testsuite/28_regex/match_results/pmr_typedefs.cc: New test.
 966
 967 2018-08-08  François Dumont  <fdumont@gcc.gnu.org>
 968
 969         * include/bits/stl_algo.h
 970         (__rotate(_Ite, _Ite, _Ite, forward_iterator_tag))
 971         (__rotate(_Ite, _Ite, _Ite, bidirectional_iterator_tag))
 972         (__rotate(_Ite, _Ite, _Ite, random_access_iterator_tag)): Move code
 973         duplication...
 974         (rotate(_Ite, _Ite, _Ite)): ...here.
 975         (__stable_partition_adaptive(_FIt, _FIt, _Pred, _Dist, _Pointer, _Dist)):
 976         Simplify rotate call.
 977         (__rotate_adaptive(_BIt1, _BIt1, _BIt1, _Dist, _Dist, _Bit2, _Dist)):
 978         Likewise.
 979         (__merge_without_buffer(_BIt, _BIt, _BIt, _Dist, _Dist, _Comp)):
 980         Likewise.
 981
 982 2018-08-08  Jonathan Wakely  <jwakely@redhat.com>
 983
 984         * libsupc++/new_opa.cc (aligned_alloc): Declare inside namespace to
 985         avoid clashing with an ::aligned_alloc function that was not detected
 986         by configure.
 987
 988         * doc/xml/manual/using.xml: Fix markup for empty table entry.
 989         * doc/html/*: Regenerate.
 990
 991         * doc/xml/manual/using.xml: Add missing header to table and fix typo.
 992         * doc/html/*: Regenerate.
 993
 994         PR libstdc++/86597
 995         * include/bits/fs_dir.h (directory_entry::_M_file_type(error_code&)):
 996         Clear error_code when cached type is used.
 997         * testsuite/27_io/filesystem/directory_entry/86597.cc: New test.
 998
 999 2018-08-07  Jonathan Wakely  <jwakely@redhat.com>
1000
1001         PR libstdc++/86874
1002         * include/std/variant (_Copy_ctor_base::_M_destructive_move): Define
1003         here instead of in _Move_assign_base.
1004         (_Copy_ctor_base<true, _Types...>::_M_destructive_move): Define.
1005         (_Copy_assign_base::operator=): Use _M_destructive_move when changing
1006         the contained value to another alternative.
1007         (_Move_assign_base::operator=): Likewise.
1008         (_Move_assign_base::_M_destructive_move): Remove.
1009         * testsuite/20_util/variant/86874.cc: New test.
1010
1011         PR libstdc++/86861
1012         * libsupc++/new_opa.cc [_GLIBCXX_HAVE_MEMALIGN] (aligned_alloc):
1013         Replace macro with inline function.
1014         [__sun]: Increase alignment to meet memalign precondition.
1015         [!HAVE__ALIGNED_MALLOC && !HAVE_POSIX_MEMALIGN && !HAVE_MEMALIGN]
1016         (aligned_alloc): Move check for valid alignment to operator new.
1017         Remove redundant check for non-zero size, it's enforced by the caller.
1018         (operator new): Move check for valid alignment here. Use
1019         __builtin_expect on check for zero size.
1020
1021         * config/abi/pre/gnu.ver: Export monotonic_buffer_resource members.
1022         * include/std/memory_resource (monotonic_buffer_resource::release):
1023         Call _M_release_buffers to free buffers.
1024         (monotonic_buffer_resource::do_allocate): Call _M_new_buffer to
1025         allocate a new buffer from upstream.
1026         (monotonic_buffer_resource::_M_new_buffer): Declare.
1027         (monotonic_buffer_resource::_M_release_buffers): Declare.
1028         (monotonic_buffer_resource::_Chunk): Replace definition with
1029         declaration as opaque type.
1030         * src/c++17/memory_resource.cc (monotonic_buffer_resource::_Chunk):
1031         Define.
1032         (monotonic_buffer_resource::_M_new_buffer): Define.
1033         (monotonic_buffer_resource::_M_release_buffers): Define.
1034
1035 2018-08-05  François Dumont  <fdumont@gcc.gnu.org>
1036
1037         * include/bits/stl_iterator.h: Fix comment.
1038
1039 2018-08-03  Jonathan Wakely  <jwakely@redhat.com>
1040
1041         * src/c++11/system_error.cc
1042         (system_error_category::default_error_condition): Add workaround for
1043         ENOTEMPTY and EEXIST having the same value on AIX.
1044         * testsuite/19_diagnostics/error_category/system_category.cc: Add
1045         extra testcases for EDOM, EILSEQ, ERANGE, EEXIST and ENOTEMPTY.
1046
1047 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1048
1049         * configure: Regenerate.
1050         * configure.ac: Add -D_GLIBCXX_ASSERTIONS to default DEBUG_FLAGS.
1051         * src/c++11/futex.cc: Use __glibcxx_assert instead of
1052         _GLIBCXX_DEBUG_ASSERT.
1053
1054 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1055
1056         * include/std/condition_variable (wait_for): Use steady_clock.
1057
1058 2018-08-01  Mike Crowe  <mac@mcrowe.com>
1059
1060         * include/std/condition_variable (wait_until): Only report timeout
1061         if we really have timed out when measured against the
1062         caller-supplied clock.
1063         * testsuite/30_threads/condition_variable/members/2.cc: Add test
1064         case to confirm above behaviour.
1065
1066 2018-08-01  Jonathan Wakely  <jwakely@redhat.com>
1067
1068         PR libstdc++/60555
1069         * src/c++11/system_error.cc
1070         (system_error_category::default_error_condition): New override to
1071         check for POSIX errno values.
1072         * testsuite/19_diagnostics/error_category/generic_category.cc: New
1073         * testsuite/19_diagnostics/error_category/system_category.cc: New
1074         test.
1075
1076 2018-07-31  Jonathan Wakely  <jwakely@redhat.com>
1077
1078         PR libstdc++/86751
1079         * include/bits/stl_pair.h (__pair_base): New class with deleted copy
1080         assignment operator.
1081         (pair): Derive from __pair_base.
1082         (pair::operator=): Remove deleted overload.
1083         * python/libstdcxx/v6/printers.py (StdPairPrinter): New pretty printer
1084         so that new base class isn't shown in GDB.
1085         * testsuite/20_util/pair/86751.cc: New test.
1086         * testsuite/20_util/pair/ref_assign.cc: New test.
1087
1088         * include/bits/c++config (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1089         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Move definitions here.
1090         (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Likewise. Use !__is_identifier
1091         instead of __has_builtin.
1092         * include/std/type_traits (_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP)
1093         (_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE): Remove definitions from here.
1094         * include/std/version [!_GLIBCXX_HAS_GTHREADS]
1095         (__cpp_lib_shared_timed_mutex, __cpp_lib_scoped_lock)
1096         (__cpp_lib_shared_mutex): Don't define when Gthreads not in use.
1097         [!_GLIBCXX_HAVE_BUILTIN_HAS_UNIQ_OBJ_REP]
1098         (__cpp_lib_has_unique_object_representations): Don't define when
1099         builtin not available.
1100         [!_GLIBCXX_HAVE_BUILTIN_IS_AGGREGATE] (__cpp_lib_is_aggregate):
1101         Likewise.
1102         [!_GLIBCXX_HAVE_BUILTIN_LAUNDER] (__cpp_lib_launder): Likewise.
1103         * libsupc++/new (_GLIBCXX_HAVE_BUILTIN_LAUNDER): Remove definition
1104         from here.
1105
1106         * doc/xml/manual/test.xml: Improve documentation on writing tests for
1107         newer standards.
1108         * doc/xml/manual/using.xml: Document all headers for C++11 and later.
1109         * doc/html/*: Regenerate.
1110
1111         * include/ext/pointer.h [__cplusplus >= 201103L]
1112         (_Pointer_adapter::operator bool): Add explicit conversion operator
1113         to replace safe bool idiom.
1114
1115 2018-07-30  Jonathan Wakely  <jwakely@redhat.com>
1116
1117         PR libstdc++/86734
1118         * include/bits/stl_iterator.h (reverse_iterator::operator->): Call
1119         _S_to_pointer (LWG 1052, LWG 2118).
1120         (reverse_iterator::_S_to_pointer): Define overloaded helper functions.
1121         * testsuite/24_iterators/reverse_iterator/dr1052.cc: New test.
1122         * testsuite/24_iterators/reverse_iterator/dr2188.cc: New test.
1123
1124         * libsupc++/new_opa.cc (operator new(size_t, align_val_t)): Add
1125         workaround for aligned_alloc bug on AIX.
1126         * testsuite/18_support/new_aligned.cc: New test.
1127
1128 2018-07-26  Marek Polacek  <polacek@redhat.com>
1129
1130         * testsuite/30_threads/condition_variable_any/cond.cc: New.
1131
1132 2018-07-26  Marek Polacek  <polacek@redhat.com>
1133
1134         * src/c++98/locale_init.cc: Fix #ifdef condition.
1135
1136 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1137
1138         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: Add
1139         dg-require-cstdint directive.
1140         * testsuite/20_util/allocator/overaligned.cc: Likewise.
1141         * testsuite/20_util/any/cons/aligned.cc: Likewise.
1142         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: Likewise.
1143         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: Likewise.
1144         * testsuite/20_util/shared_ptr/thread/default_weaktoshared.cc:
1145         Likewise.
1146         * testsuite/20_util/shared_ptr/thread/mutex_weaktoshared.cc: Likewise.
1147         * testsuite/23_containers/list/modifiers/insert/25288.cc: Likewise.
1148         * testsuite/23_containers/set/allocator/move_assign.cc: Likewise.
1149         * testsuite/25_algorithms/make_heap/complexity.cc: Likewise.
1150         * testsuite/25_algorithms/pop_heap/complexity.cc: Require cstdint and
1151         random_device effective-target.
1152         * testsuite/25_algorithms/push_heap/complexity.cc: Likewise.
1153         * testsuite/25_algorithms/sample/1.cc: Require cstdint.
1154         * testsuite/25_algorithms/sample/2.cc: Likewise.
1155         * testsuite/25_algorithms/sort_heap/complexity.cc: Require cstdint
1156         and random_device.
1157         * testsuite/26_numerics/headers/random/types_std_c++0x.cc: Require
1158         cstdint.
1159         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
1160         Likewise.
1161         * testsuite/26_numerics/random/discard_block_engine/requirements/
1162         constexpr_data.cc: Likewise.
1163         * testsuite/26_numerics/random/discard_block_engine/requirements/
1164         constexpr_functions.cc: Likewise.
1165         * testsuite/26_numerics/random/independent_bits_engine/requirements/
1166         constexpr_functions.cc: Likewise.
1167         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1168         constexpr_data.cc: Likewise.
1169         * testsuite/26_numerics/random/linear_congruential_engine/requirements/
1170         constexpr_functions.cc: Likewise.
1171         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1172         constexpr_data.cc: Likewise.
1173         * testsuite/26_numerics/random/mersenne_twister_engine/requirements/
1174         constexpr_functions.cc: Likewise.
1175         * testsuite/26_numerics/random/pr60037-neg.cc: Likewise.
1176         * testsuite/26_numerics/random/seed_seq/cons/65631.cc: Likewise.
1177         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1178         constexpr_data.cc: Add dg-require-cstdint directive.
1179         * testsuite/26_numerics/random/shuffle_order_engine/requirements/
1180         constexpr_functions.cc: Likewise.
1181         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1182         constexpr_data.cc: Likewise.
1183         * testsuite/26_numerics/random/subtract_with_carry_engine/requirements/
1184         constexpr_functions.cc: Likewise.
1185         * testsuite/26_numerics/random/uniform_real_distribution/operators/
1186         64351.cc: Likewise.
1187         * testsuite/29_atomics/headers/atomic/types_std_c++0x.cc: Likewise.
1188         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
1189         * testsuite/experimental/algorithm/sample.cc: Likewise.
1190         * testsuite/experimental/algorithm/search.cc: Likewise.
1191         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
1192         * testsuite/experimental/any/cons/aligned.cc: Likewise.
1193         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1194         Likewise.
1195         * testsuite/experimental/memory_resource/resource_adaptor.cc: Likewise.
1196         * testsuite/experimental/random/randint.cc: Likewise.
1197         * testsuite/experimental/source_location/1.cc: Likewise.
1198         * testsuite/ext/bitmap_allocator/overaligned.cc: Likewise.
1199         * testsuite/ext/malloc_allocator/overaligned.cc: Likewise.
1200         * testsuite/ext/mt_allocator/overaligned.cc: Likewise.
1201         * testsuite/ext/new_allocator/overaligned.cc: Likewise.
1202         * testsuite/ext/pb_ds/regression/hash_map_rand.cc: Likewise.
1203         * testsuite/ext/pb_ds/regression/hash_set_rand.cc: Likewise.
1204         * testsuite/ext/pb_ds/regression/list_update_map_rand.cc: Likewise.
1205         * testsuite/ext/pb_ds/regression/list_update_set_rand.cc: Likewise.
1206         * testsuite/ext/pb_ds/regression/priority_queue_rand.cc: Likewise.
1207         * testsuite/ext/pb_ds/regression/tree_map_rand.cc: Likewise.
1208         * testsuite/ext/pb_ds/regression/tree_set_rand.cc: Likewise.
1209         * testsuite/ext/pb_ds/regression/trie_map_rand.cc: Likewise.
1210         * testsuite/ext/pb_ds/regression/trie_set_rand.cc: Likewise.
1211         * testsuite/ext/pool_allocator/overaligned.cc: Likewise.
1212         * testsuite/ext/throw_allocator/check_allocate_max_size.cc: Likewise.
1213         * testsuite/ext/throw_allocator/check_deallocate_null.cc: Likewise.
1214         * testsuite/ext/throw_allocator/check_delete.cc: Likewise.
1215         * testsuite/ext/throw_allocator/check_new.cc: Likewise.
1216         * testsuite/ext/throw_allocator/deallocate_global.cc: Likewise.
1217         * testsuite/ext/throw_allocator/deallocate_local.cc: Likewise.
1218         * testsuite/ext/throw_allocator/explicit_instantiation.cc: Likewise.
1219         * testsuite/ext/throw_allocator/variadic_construct.cc: Likewise.
1220         * testsuite/tr1/8_c_compatibility/cinttypes/functions.cc: Likewise.
1221
1222         * testsuite/30_threads/recursive_mutex/cons/1.cc: Likewise.
1223         * testsuite/30_threads/recursive_mutex/cons/assign_neg.cc: Likewise.
1224         * testsuite/30_threads/recursive_mutex/cons/copy_neg.cc: Likewise.
1225         * testsuite/30_threads/recursive_mutex/dest/destructor_locked.cc:
1226         Likewise.
1227         * testsuite/30_threads/recursive_mutex/lock/1.cc: Likewise.
1228         * testsuite/30_threads/recursive_mutex/native_handle/1.cc: Likewise.
1229         * testsuite/30_threads/recursive_mutex/native_handle/typesizes.cc:
1230         Likewise.
1231         * testsuite/30_threads/recursive_mutex/requirements/standard_layout.cc:
1232         Likewise.
1233         * testsuite/30_threads/recursive_mutex/requirements/typedefs.cc:
1234         Likewise.
1235         * testsuite/30_threads/recursive_mutex/try_lock/1.cc: Likewise.
1236         * testsuite/30_threads/recursive_mutex/try_lock/2.cc: Likewise.
1237         * testsuite/30_threads/recursive_mutex/unlock/1.cc: Likewise.
1238         * testsuite/30_threads/recursive_mutex/unlock/2.cc: Likewise.
1239         * testsuite/30_threads/recursive_timed_mutex/cons/1.cc: Likewise.
1240         * testsuite/30_threads/recursive_timed_mutex/cons/assign_neg.cc:
1241         Likewise.
1242         * testsuite/30_threads/recursive_timed_mutex/cons/copy_neg.cc:
1243         Likewise.
1244         * testsuite/30_threads/recursive_timed_mutex/dest/
1245         destructor_locked.cc: Likewise.
1246         * testsuite/30_threads/recursive_timed_mutex/lock/1.cc: Likewise.
1247         * testsuite/30_threads/recursive_timed_mutex/lock/2.cc: Likewise.
1248         * testsuite/30_threads/recursive_timed_mutex/native_handle/1.cc:
1249         Likewise.
1250         * testsuite/30_threads/recursive_timed_mutex/native_handle/
1251         typesizes.cc: Likewise.
1252         * testsuite/30_threads/recursive_timed_mutex/requirements/typedefs.cc:
1253         Likewise.
1254         * testsuite/30_threads/recursive_timed_mutex/try_lock/1.cc:
1255         Likewise.
1256         * testsuite/30_threads/recursive_timed_mutex/try_lock/2.cc:
1257         Likewise.
1258         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/1.cc:
1259         Likewise.
1260         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/2.cc:
1261         Likewise.
1262         * testsuite/30_threads/recursive_timed_mutex/try_lock_for/3.cc:
1263         Likewise.
1264         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/1.cc:
1265         Likewise.
1266         * testsuite/30_threads/recursive_timed_mutex/try_lock_until/2.cc:
1267         Likewise.
1268         * testsuite/30_threads/recursive_timed_mutex/unlock/1.cc: Likewise.
1269         * testsuite/30_threads/recursive_timed_mutex/unlock/2.cc: Likewise.
1270         * testsuite/30_threads/scoped_lock/cons/1.cc: Likewise.
1271         * testsuite/30_threads/scoped_lock/requirements/
1272         explicit_instantiation.cc: Likewise.
1273         * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Likewise.
1274         * testsuite/30_threads/shared_future/cons/assign.cc: Likewise.
1275         * testsuite/30_threads/shared_future/cons/constexpr.cc: Likewise.
1276         * testsuite/30_threads/shared_future/cons/copy.cc: Likewise.
1277         * testsuite/30_threads/shared_future/cons/default.cc: Likewise.
1278         * testsuite/30_threads/shared_future/cons/move.cc: Likewise.
1279         * testsuite/30_threads/shared_future/cons/move_assign.cc: Likewise.
1280         * testsuite/30_threads/shared_future/members/45133.cc: Likewise.
1281         * testsuite/30_threads/shared_future/members/get.cc: Likewise.
1282         * testsuite/30_threads/shared_future/members/get2.cc: Likewise.
1283         * testsuite/30_threads/shared_future/members/valid.cc: Likewise.
1284         * testsuite/30_threads/shared_future/members/wait.cc: Likewise.
1285         * testsuite/30_threads/shared_future/members/wait_for.cc: Likewise.
1286         * testsuite/30_threads/shared_future/members/wait_until.cc: Likewise.
1287         * testsuite/30_threads/shared_future/requirements/
1288         explicit_instantiation.cc: Likewise.
1289         * testsuite/30_threads/shared_lock/cons/1.cc: Likewise.
1290         * testsuite/30_threads/shared_lock/cons/2.cc: Likewise.
1291         * testsuite/30_threads/shared_lock/cons/3.cc: Likewise.
1292         * testsuite/30_threads/shared_lock/cons/4.cc: Likewise.
1293         * testsuite/30_threads/shared_lock/cons/5.cc: Likewise.
1294         * testsuite/30_threads/shared_lock/cons/6.cc: Likewise.
1295         * testsuite/30_threads/shared_lock/locking/1.cc: Likewise.
1296         * testsuite/30_threads/shared_lock/locking/2.cc: Likewise.
1297         * testsuite/30_threads/shared_lock/locking/3.cc: Likewise.
1298         * testsuite/30_threads/shared_lock/locking/4.cc: Likewise.
1299         * testsuite/30_threads/shared_lock/modifiers/1.cc: Likewise.
1300         * testsuite/30_threads/shared_lock/requirements/
1301         explicit_instantiation.cc: Likewise.
1302         * testsuite/30_threads/shared_lock/requirements/typedefs.cc: Likewise.
1303         * testsuite/30_threads/shared_mutex/cons/1.cc: Likewise.
1304         * testsuite/30_threads/shared_mutex/cons/assign_neg.cc: Likewise.
1305         * testsuite/30_threads/shared_mutex/cons/copy_neg.cc: Likewise.
1306         * testsuite/30_threads/shared_mutex/requirements/standard_layout.cc:
1307         Likewise.
1308         * testsuite/30_threads/shared_mutex/try_lock/1.cc: Likewise.
1309         * testsuite/30_threads/shared_mutex/try_lock/2.cc: Likewise.
1310         * testsuite/30_threads/shared_mutex/unlock/1.cc: Likewise.
1311         * testsuite/30_threads/shared_timed_mutex/cons/1.cc: Likewise.
1312         * testsuite/30_threads/shared_timed_mutex/cons/assign_neg.cc: Likewise.
1313         * testsuite/30_threads/shared_timed_mutex/cons/copy_neg.cc: Likewise.
1314         * testsuite/30_threads/shared_timed_mutex/requirements/
1315         standard_layout.cc: Likewise.
1316         * testsuite/30_threads/shared_timed_mutex/try_lock/1.cc: Likewise.
1317         * testsuite/30_threads/shared_timed_mutex/try_lock/2.cc: Likewise.
1318         * testsuite/30_threads/shared_timed_mutex/try_lock/3.cc: Likewise.
1319         * testsuite/30_threads/shared_timed_mutex/unlock/1.cc: Likewise.
1320         * testsuite/30_threads/this_thread/1.cc: Likewise.
1321         * testsuite/30_threads/this_thread/2.cc: Likewise.
1322         * testsuite/30_threads/this_thread/3.cc: Likewise.
1323         * testsuite/30_threads/this_thread/4.cc: Likewise.
1324         * testsuite/30_threads/this_thread/58038.cc: Likewise.
1325         * testsuite/30_threads/thread/70503.cc: Likewise.
1326         * testsuite/30_threads/thread/84532.cc: Likewise.
1327         * testsuite/30_threads/thread/adl.cc: Likewise.
1328         * testsuite/30_threads/thread/cons/1.cc: Likewise.
1329         * testsuite/30_threads/thread/cons/2.cc: Likewise.
1330         * testsuite/30_threads/thread/cons/3.cc: Likewise.
1331         * testsuite/30_threads/thread/cons/4.cc: Likewise.
1332         * testsuite/30_threads/thread/cons/49668.cc: Likewise.
1333         * testsuite/30_threads/thread/cons/5.cc: Likewise.
1334         * testsuite/30_threads/thread/cons/6.cc: Likewise.
1335         * testsuite/30_threads/thread/cons/7.cc: Likewise.
1336         * testsuite/30_threads/thread/cons/8.cc: Likewise.
1337         * testsuite/30_threads/thread/cons/84535.cc: Likewise.
1338         * testsuite/30_threads/thread/cons/9.cc: Likewise.
1339         * testsuite/30_threads/thread/cons/assign_neg.cc: Likewise.
1340         * testsuite/30_threads/thread/cons/copy_neg.cc: Likewise.
1341         * testsuite/30_threads/thread/cons/lwg2097.cc: Likewise.
1342         * testsuite/30_threads/thread/cons/moveable.cc: Likewise.
1343         * testsuite/30_threads/thread/cons/terminate.cc: Likewise.
1344         * testsuite/30_threads/thread/id/operators.cc: Likewise.
1345         * testsuite/30_threads/thread/members/1.cc: Likewise.
1346         * testsuite/30_threads/thread/members/2.cc: Likewise.
1347         * testsuite/30_threads/thread/members/3.cc: Likewise.
1348         * testsuite/30_threads/thread/members/4.cc: Likewise.
1349         * testsuite/30_threads/thread/members/5.cc: Likewise.
1350         * testsuite/30_threads/thread/members/hardware_concurrency.cc:
1351         Likewise.
1352         * testsuite/30_threads/thread/native_handle/cancel.cc: Likewise.
1353         * testsuite/30_threads/thread/swap/1.cc: Likewise.
1354         * testsuite/30_threads/timed_mutex/cons/1.cc: Likewise.
1355         * testsuite/30_threads/timed_mutex/cons/assign_neg.cc: Likewise.
1356         * testsuite/30_threads/timed_mutex/cons/copy_neg.cc: Likewise.
1357         * testsuite/30_threads/timed_mutex/dest/destructor_locked.cc: Likewise.
1358         * testsuite/30_threads/timed_mutex/lock/1.cc: Likewise.
1359         * testsuite/30_threads/timed_mutex/native_handle/1.cc: Likewise.
1360         * testsuite/30_threads/timed_mutex/native_handle/typesizes.cc:
1361         Likewise.
1362         * testsuite/30_threads/timed_mutex/requirements/
1363         standard_layout.cc: Likewise.
1364         * testsuite/30_threads/timed_mutex/requirements/typedefs.cc: Likewise.
1365         * testsuite/30_threads/timed_mutex/try_lock/1.cc: Likewise.
1366         * testsuite/30_threads/timed_mutex/try_lock/2.cc: Likewise.
1367         * testsuite/30_threads/timed_mutex/try_lock_for/1.cc: Likewise.
1368         * testsuite/30_threads/timed_mutex/try_lock_for/2.cc: Likewise.
1369         * testsuite/30_threads/timed_mutex/try_lock_for/3.cc: Likewise.
1370         * testsuite/30_threads/timed_mutex/try_lock_until/1.cc: Likewise.
1371         * testsuite/30_threads/timed_mutex/try_lock_until/2.cc: Likewise.
1372         * testsuite/30_threads/timed_mutex/try_lock_until/57641.cc: Likewise.
1373         * testsuite/30_threads/timed_mutex/unlock/1.cc: Likewise.
1374         * testsuite/30_threads/timed_mutex/unlock/2.cc: Likewise.
1375         * testsuite/30_threads/try_lock/1.cc: Likewise.
1376         * testsuite/30_threads/try_lock/2.cc: Likewise.
1377         * testsuite/30_threads/try_lock/3.cc: Likewise.
1378         * testsuite/30_threads/try_lock/4.cc: Likewise.
1379         * testsuite/30_threads/unique_lock/cons/1.cc: Likewise.
1380         * testsuite/30_threads/unique_lock/cons/2.cc: Likewise.
1381         * testsuite/30_threads/unique_lock/cons/3.cc: Likewise.
1382         * testsuite/30_threads/unique_lock/cons/4.cc: Likewise.
1383         * testsuite/30_threads/unique_lock/cons/5.cc: Likewise.
1384         * testsuite/30_threads/unique_lock/cons/6.cc: Likewise.
1385         * testsuite/30_threads/unique_lock/locking/1.cc: Likewise.
1386         * testsuite/30_threads/unique_lock/locking/2.cc: Likewise.
1387         * testsuite/30_threads/unique_lock/locking/3.cc: Likewise.
1388         * testsuite/30_threads/unique_lock/locking/4.cc: Likewise.
1389         * testsuite/30_threads/unique_lock/modifiers/1.cc: Likewise.
1390         * testsuite/30_threads/unique_lock/requirements/
1391         explicit_instantiation.cc: Likewise.
1392         * testsuite/30_threads/unique_lock/requirements/typedefs.cc: Likewise.
1393
1394         * testsuite/30_threads/async/42819.cc: Remove dg-require-cstdint
1395         directive.
1396         * testsuite/30_threads/async/49668.cc: Likewise.
1397         * testsuite/30_threads/async/54297.cc: Likewise.
1398         * testsuite/30_threads/async/84532.cc: Likewise.
1399         * testsuite/30_threads/async/any.cc: Likewise.
1400         * testsuite/30_threads/async/async.cc: Likewise.
1401         * testsuite/30_threads/async/except.cc: Likewise.
1402         * testsuite/30_threads/async/forced_unwind.cc: Likewise.
1403         * testsuite/30_threads/async/launch.cc: Likewise.
1404         * testsuite/30_threads/async/lwg2021.cc: Likewise.
1405         * testsuite/30_threads/async/sync.cc: Likewise.
1406         * testsuite/30_threads/call_once/39909.cc: Likewise.
1407         * testsuite/30_threads/call_once/49668.cc: Likewise.
1408         * testsuite/30_threads/call_once/60497.cc: Likewise.
1409         * testsuite/30_threads/call_once/call_once1.cc: Likewise.
1410         * testsuite/30_threads/call_once/constexpr.cc: Likewise.
1411         * testsuite/30_threads/call_once/dr2442.cc: Likewise.
1412         * testsuite/30_threads/call_once/once_flag.cc: Likewise.
1413         * testsuite/30_threads/condition_variable/54185.cc: Likewise.
1414         * testsuite/30_threads/condition_variable/cons/1.cc: Likewise.
1415         * testsuite/30_threads/condition_variable/cons/assign_neg.cc:
1416         Likewise.
1417         * testsuite/30_threads/condition_variable/cons/copy_neg.cc: Likewise.
1418         * testsuite/30_threads/condition_variable/members/1.cc: Likewise.
1419         * testsuite/30_threads/condition_variable/members/2.cc: Likewise.
1420         * testsuite/30_threads/condition_variable/members/3.cc: Likewise.
1421         * testsuite/30_threads/condition_variable/members/53841.cc: Likewise.
1422         * testsuite/30_threads/condition_variable/members/68519.cc: Likewise.
1423         * testsuite/30_threads/condition_variable/native_handle/typesizes.cc:
1424         Likewise.
1425         * testsuite/30_threads/condition_variable/requirements/
1426         standard_layout.cc: Likewise.
1427         * testsuite/30_threads/condition_variable/requirements/typedefs.cc:
1428         * Likewise.
1429         * testsuite/30_threads/condition_variable_any/50862.cc: Likewise.
1430         * testsuite/30_threads/condition_variable_any/53830.cc: Likewise.
1431         * testsuite/30_threads/condition_variable_any/cons/1.cc: Likewise.
1432         * testsuite/30_threads/condition_variable_any/cons/assign_neg.cc:
1433         Likewise.
1434         * testsuite/30_threads/condition_variable_any/cons/copy_neg.cc:
1435         Likewise.
1436         * testsuite/30_threads/condition_variable_any/members/1.cc: Likewise.
1437         * testsuite/30_threads/condition_variable_any/members/2.cc: Likewise.
1438         * testsuite/30_threads/future/cons/assign_neg.cc: Likewise.
1439         * testsuite/30_threads/future/cons/constexpr.cc: Likewise.
1440         * testsuite/30_threads/future/cons/copy_neg.cc: Likewise.
1441         * testsuite/30_threads/future/cons/default.cc: Likewise.
1442         * testsuite/30_threads/future/cons/move.cc: Likewise.
1443         * testsuite/30_threads/future/cons/move_assign.cc: Likewise.
1444         * testsuite/30_threads/future/members/45133.cc: Likewise.
1445         * testsuite/30_threads/future/members/get.cc: Likewise.
1446         * testsuite/30_threads/future/members/get2.cc: Likewise.
1447         * testsuite/30_threads/future/members/share.cc: Likewise.
1448         * testsuite/30_threads/future/members/valid.cc: Likewise.
1449         * testsuite/30_threads/future/members/wait.cc: Likewise.
1450         * testsuite/30_threads/future/members/wait_for.cc: Likewise.
1451         * testsuite/30_threads/future/members/wait_until.cc: Likewise.
1452         * testsuite/30_threads/future/requirements/explicit_instantiation.cc:
1453         Likewise.
1454         * testsuite/30_threads/headers/condition_variable/types_std_c++0x.cc:
1455         Likewise.
1456         * testsuite/30_threads/headers/future/types_std_c++0x.cc: Likewise.
1457         * testsuite/30_threads/headers/mutex/types_std_c++0x.cc: Likewise.
1458         * testsuite/30_threads/headers/thread/std_c++0x_neg.cc: Likewise.
1459         * testsuite/30_threads/headers/thread/types_std_c++0x.cc: Likewise.
1460         * testsuite/30_threads/lock/1.cc: Likewise.
1461         * testsuite/30_threads/lock/2.cc: Likewise.
1462         * testsuite/30_threads/lock/3.cc: Likewise.
1463         * testsuite/30_threads/lock/4.cc: Likewise.
1464         * testsuite/30_threads/lock_guard/cons/1.cc: Likewise.
1465         * testsuite/30_threads/lock_guard/requirements/
1466         explicit_instantiation.cc: Likewise.
1467         * testsuite/30_threads/lock_guard/requirements/typedefs.cc: Likewise.
1468         * testsuite/30_threads/mutex/cons/1.cc: Likewise.
1469         * testsuite/30_threads/mutex/cons/assign_neg.cc: Likewise.
1470         * testsuite/30_threads/mutex/cons/constexpr.cc: Likewise.
1471         * testsuite/30_threads/mutex/cons/copy_neg.cc: Likewise.
1472         * testsuite/30_threads/mutex/dest/destructor_locked.cc: Likewise.
1473         * testsuite/30_threads/mutex/lock/1.cc: Likewise.
1474         * testsuite/30_threads/mutex/native_handle/1.cc: Likewise.
1475         * testsuite/30_threads/mutex/native_handle/typesizes.cc: Likewise.
1476         * testsuite/30_threads/mutex/requirements/standard_layout.cc::
1477         Likewise.
1478         * testsuite/30_threads/mutex/requirements/typedefs.cc: Likewise.
1479         * testsuite/30_threads/mutex/try_lock/1.cc: Likewise.
1480         * testsuite/30_threads/mutex/try_lock/2.cc: Likewise.
1481         * testsuite/30_threads/mutex/unlock/1.cc: Likewise.
1482         * testsuite/30_threads/mutex/unlock/2.cc: Likewise.
1483         * testsuite/30_threads/once_flag/cons/constexpr.cc: Likewise.
1484         * testsuite/30_threads/packaged_task/49668.cc: Likewise.
1485         * testsuite/30_threads/packaged_task/60564.cc: Likewise.
1486         * testsuite/30_threads/packaged_task/cons/1.cc: Likewise.
1487         * testsuite/30_threads/packaged_task/cons/2.cc: Likewise.
1488         * testsuite/30_threads/packaged_task/cons/3.cc: Likewise.
1489         * testsuite/30_threads/packaged_task/cons/56492.cc: Likewise.
1490         * testsuite/30_threads/packaged_task/cons/alloc.cc: Likewise.
1491         * testsuite/30_threads/packaged_task/cons/alloc2.cc: Likewise.
1492         * testsuite/30_threads/packaged_task/cons/alloc_min.cc: Likewise.
1493         * testsuite/30_threads/packaged_task/cons/assign_neg.cc: Likewise.
1494         * testsuite/30_threads/packaged_task/cons/copy_neg.cc: Likewise.
1495         * testsuite/30_threads/packaged_task/cons/move.cc: Likewise.
1496         * testsuite/30_threads/packaged_task/cons/move_assign.cc: Likewise.
1497         * testsuite/30_threads/packaged_task/members/at_thread_exit.cc:
1498         Likewise.
1499         * testsuite/30_threads/packaged_task/members/get_future.cc: Likewise.
1500         * testsuite/30_threads/packaged_task/members/get_future2.cc: Likewise.
1501         * testsuite/30_threads/packaged_task/members/invoke.cc: Likewise.
1502         * testsuite/30_threads/packaged_task/members/invoke2.cc: Likewise.
1503         * testsuite/30_threads/packaged_task/members/invoke3.cc: Likewise.
1504         * testsuite/30_threads/packaged_task/members/invoke4.cc: Likewise.
1505         * testsuite/30_threads/packaged_task/members/invoke5.cc: Likewise.
1506         * testsuite/30_threads/packaged_task/members/reset.cc: Likewise.
1507         * testsuite/30_threads/packaged_task/members/reset2.cc: Likewise.
1508         * testsuite/30_threads/packaged_task/members/swap.cc: Likewise.
1509         * testsuite/30_threads/packaged_task/members/valid.cc: Likewise.
1510         * testsuite/30_threads/packaged_task/requirements/
1511         explicit_instantiation.cc: Likewise.
1512         * testsuite/30_threads/packaged_task/uses_allocator.cc: Likewise.
1513         * testsuite/30_threads/promise/60966.cc: Likewise.
1514         * testsuite/30_threads/promise/69106.cc: Likewise.
1515         * testsuite/30_threads/promise/cons/1.cc: Likewise.
1516         * testsuite/30_threads/promise/cons/alloc.cc: Likewise.
1517         * testsuite/30_threads/promise/cons/alloc2.cc: Likewise.
1518         * testsuite/30_threads/promise/cons/alloc_min.cc: Likewise.
1519         * testsuite/30_threads/promise/cons/assign_neg.cc: Likewise.
1520         * testsuite/30_threads/promise/cons/copy_neg.cc: Likewise.
1521         * testsuite/30_threads/promise/cons/move.cc: Likewise.
1522         * testsuite/30_threads/promise/cons/move_assign.cc: Likewise.
1523         * testsuite/30_threads/promise/members/at_thread_exit.cc: Likewise.
1524         * testsuite/30_threads/promise/members/at_thread_exit2.cc: Likewise.
1525         * testsuite/30_threads/promise/members/get_future.cc: Likewise.
1526         * testsuite/30_threads/promise/members/get_future2.cc: Likewise.
1527         * testsuite/30_threads/promise/members/set_exception.cc: Likewise.
1528         * testsuite/30_threads/promise/members/set_exception2.cc: Likewise.
1529         * testsuite/30_threads/promise/members/set_value.cc: Likewise.
1530         * testsuite/30_threads/promise/members/set_value2.cc: Likewise.
1531         * testsuite/30_threads/promise/members/set_value3.cc: Likewise.
1532         * testsuite/30_threads/promise/members/swap.cc: Likewise.
1533         * testsuite/30_threads/promise/requirements/explicit_instantiation.cc:
1534         * Likewise.
1535         * testsuite/30_threads/promise/uses_allocator.cc: Likewise.
1536
1537         * testsuite/18_support/numeric_limits/char16_32_t.cc: Qualify names
1538         from namespace std.
1539         * testsuite/20_util/align/2.cc: Remove dg-require-cstdint directive.
1540         * testsuite/20_util/duration/arithmetic/1.cc: Likewise.
1541         * testsuite/20_util/duration/arithmetic/2.cc: Likewise.
1542         * testsuite/20_util/duration/arithmetic/dr2020.cc: Likewise.
1543         * testsuite/20_util/duration/arithmetic/dr934-1.cc: Likewise.
1544         * testsuite/20_util/duration/arithmetic/dr934-2.cc: Likewise.
1545         * testsuite/20_util/duration/comparison_operators/1.cc: Likewise.
1546         * testsuite/20_util/duration/cons/1.cc: Likewise.
1547         * testsuite/20_util/duration/cons/1_neg.cc: Likewise.
1548         * testsuite/20_util/duration/cons/2.cc: Likewise.
1549         * testsuite/20_util/duration/cons/54025.cc: Likewise.
1550         * testsuite/20_util/duration/cons/dr974_neg.cc: Likewise.
1551         * testsuite/20_util/duration/requirements/explicit_instantiation/
1552         explicit_instantiation.cc: Likewise.
1553         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1554         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1555         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1556         * testsuite/20_util/make_signed/requirements/typedefs-4.cc: Likewise.
1557         * testsuite/20_util/ratio/comparisons/comp1.cc: Likewise.
1558         * testsuite/20_util/ratio/comparisons/comp2.cc: Likewise.
1559         * testsuite/20_util/ratio/comparisons/comp3.cc: Likewise.
1560         * testsuite/20_util/ratio/cons/cons1.cc: Likewise.
1561         * testsuite/20_util/ratio/operations/45866.cc: Likewise.
1562         * testsuite/20_util/ratio/operations/47913.cc: Likewise.
1563         * testsuite/20_util/ratio/operations/53840.cc: Likewise.
1564         * testsuite/20_util/ratio/operations/ops1.cc: Likewise.
1565         * testsuite/20_util/shared_ptr/atomic/3.cc: Likewise.
1566         * testsuite/20_util/system_clock/1.cc: Likewise.
1567         * testsuite/20_util/time_point/1.cc: Likewise.
1568         * testsuite/20_util/time_point/2.cc: Likewise.
1569         * testsuite/20_util/time_point/3.cc: Likewise.
1570         * testsuite/20_util/time_point/requirements/explicit_instantiation/
1571         explicit_instantiation.cc: Likewise.
1572         * testsuite/21_strings/basic_string/requirements/
1573         explicit_instantiation/char16_t/1.cc: Likewise.
1574         * testsuite/21_strings/basic_string/requirements/
1575         explicit_instantiation/char32_t/1.cc: Likewise.
1576         * testsuite/21_strings/basic_string_view/requirements/
1577         explicit_instantiation/char16_t/1.cc: Likewise.
1578         * testsuite/21_strings/basic_string_view/requirements/
1579         explicit_instantiation/char32_t/1.cc: Likewise.
1580         * testsuite/21_strings/char_traits/requirements/
1581         explicit_instantiation/char16_t/1.cc: Likewise.
1582         * testsuite/21_strings/char_traits/requirements/
1583         explicit_instantiation/char32_t/1.cc: Likewise.
1584         * testsuite/21_strings/headers/string/types_std_c++0x.cc: Likewise.
1585         * testsuite/22_locale/codecvt/char16_t.cc: Likewise.
1586         * testsuite/22_locale/codecvt/char32_t.cc: Likewise.
1587         * testsuite/22_locale/codecvt/codecvt_utf16/requirements/1.cc:
1588         Likewise.
1589         * testsuite/22_locale/codecvt/codecvt_utf8/requirements/1.cc:
1590         Likewise.
1591         * testsuite/22_locale/codecvt/codecvt_utf8_utf16/requirements/1.cc:
1592         Likewise.
1593         * testsuite/22_locale/codecvt/utf8.cc: Likewise.
1594         * testsuite/23_containers/vector/bool/72847.cc: Likewise.
1595         * testsuite/23_containers/vector/debug/multithreaded_swap.cc:
1596         Likewise.
1597         * testsuite/experimental/string_view/requirements/
1598         explicit_instantiation/char16_t/1.cc: Likewise.
1599         * testsuite/experimental/string_view/requirements/
1600         explicit_instantiation/char32_t/1.cc: Likewise.
1601         * testsuite/ext/vstring/requirements/explicit_instantiation/char16_t/
1602         1.cc: Likewise.
1603         * testsuite/ext/vstring/requirements/explicit_instantiation/char32_t/
1604         1.cc: Likewise.
1605
1606         * include/ext/throw_allocator.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1607         (random_condition, throw_value_random, throw_allocator_random)
1608         (std::hash<throw_value_random>): Do not define when <tr1/random> is
1609         not usable.
1610         * src/c++11/cow-stdexcept.cc [!_GLIBCXX_USE_C99_STDINT_TR1]: Do not
1611         define transactional memory support when <stdint.h> is not usable.
1612
1613         * include/bits/hashtable_policy.h (__detail::__clp2): Use faster
1614         implementation that doesn't depend on <stdint.h> types.
1615         * include/std/memory (align) [!_GLIBCXX_USE_C99_STDINT_TR1]: Use
1616         std::size_t when std::uintptr_t is not usable.
1617         [!_GLIBCXX_USE_C99_STDINT_TR1] (pointer_safety, declare_reachable)
1618         (undeclare_reachable, declare_no_pointers, undeclare_no_pointers):
1619         Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1620
1621         * include/bits/basic_string.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1622         (hash<u16string>, hash<u32string>): Remove dependency on
1623         _GLIBCXX_USE_C99_STDINT_TR1.
1624         * include/bits/char_traits.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1625         (char_traits<char16_t>, char_traits<char32_t>): Remove dependency on
1626         _GLIBCXX_USE_C99_STDINT_TR1. Use __UINT_LEAST16_TYPE__ and
1627         __UINT_LEAST32_TYPE__ or make_unsigned when <stdint.h> is not usable.
1628         * include/bits/codecvt.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1629         (codecvt<char16_t, char, mbstate_t>)
1630         (codecvt<char32_t, char, mbstate_t>)
1631         (codecvt_byname<char16_t, char, mbstate_t>)
1632         (codecvt_byname<char32_t, char, mbstate_t>): Remove dependency
1633         on _GLIBCXX_USE_C99_STDINT_TR1.
1634         * include/bits/locale_facets.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1635         (_GLIBCXX_NUM_UNICODE_FACETS): Likewise.
1636         * include/bits/stringfwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1637         (char_traits<char16_t>, char_traits<char32_t>)
1638         (basic_string<char16_t>, basic_string<char32_t>): Remove dependency
1639         on _GLIBCXX_USE_C99_STDINT_TR1.
1640         * include/experimental/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1641         (u16string_view, u32string_view, hash<u16string_view>)
1642         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1643         (operator""sv(const char32_t, size_t)): Likewise.
1644         * include/ext/vstring.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1645         (hash<__u16vstring>, hash<__u32vstring>): Likewise.
1646         * include/ext/vstring_fwd.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1647         (__u16vstring, __u16sso_string, __u16rc_string, __u32vstring)
1648         (__u32sso_string, __u32rc_string): Likewise.
1649         * include/std/codecvt [!_GLIBCXX_USE_C99_STDINT_TR1] (codecvt_mode)
1650         (codecvt_utf8, codecvt_utf16, codecvt_utf8_utf16): Likewise.
1651         * include/std/string_view [!_GLIBCXX_USE_C99_STDINT_TR1]
1652         (u16string_view, u32string_view, hash<u16string_view>)
1653         (hash<u32string_view>, operator""sv(const char16_t, size_t))
1654         (operator""sv(const char32_t, size_t)): Likewise.
1655         * src/c++11/codecvt.cc: Likewise.
1656         * src/c++98/locale_init.cc: Likewise.
1657         * src/c++98/localename.cc: Likewise.
1658
1659         * include/bits/atomic_futex.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1660         (__atomic_futex_unsigned_base): Remove dependency on
1661         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1662         * include/bits/unique_lock.h [!_GLIBCXX_USE_C99_STDINT_TR1]
1663         (unique_lock): Remove dependency on _GLIBCXX_USE_C99_STDINT_TR1.
1664         * include/c_global/cstdint [!_GLIBCXX_USE_C99_STDINT_TR1] (intmax_t)
1665         (uintmax_t): Define using predefined macros.
1666         * include/std/chrono [!_GLIBCXX_USE_C99_STDINT_TR1] (duration)
1667         (time_point, system_clock, high_resolution_clock, steady_clock): Remove
1668         dependency on _GLIBCXX_USE_C99_STDINT_TR1 macro.
1669         (nanoseconds, microseconds, milliseconds, seconds, minutes, hours):
1670         [!_GLIBCXX_USE_C99_STDINT_TR1]: Define using __INT64_TYPE__ or
1671         long long when <stdint.h> is not usable.
1672         * include/std/condition_variable [!_GLIBCXX_USE_C99_STDINT_TR1]
1673         (condition_variable, condition_variable_any): Remove dependency on
1674         _GLIBCXX_USE_C99_STDINT_TR1.
1675         * include/std/future [!_GLIBCXX_USE_C99_STDINT_TR1] (future, promise)
1676         (packaged_task, async): Likewise.
1677         * include/std/mutex [!_GLIBCXX_USE_C99_STDINT_TR1] (recursive_mutex)
1678         (timed_mutex, recursive_timed_mutex, try_lock, lock, scoped_lock)
1679         (once_flag, call_once): Likewise.
1680         * include/std/ratio [!_GLIBCXX_USE_C99_STDINT_TR1] (ratio): Likewise.
1681         * include/std/shared_mutex [!_GLIBCXX_USE_C99_STDINT_TR1]
1682         (shared_mutex, shared_timed_mutex, shared_lock): Likewise.
1683         * include/std/thread [!_GLIBCXX_USE_C99_STDINT_TR1] (thread)
1684         (this_thread::get_id, this_thread::yield, this_thread::sleep_for)
1685         (this_thread::sleep_until): Likewise.
1686         * src/c++11/chrono.cc: Remove dependency on
1687         _GLIBCXX_USE_C99_STDINT_TR1 macro.
1688         * src/c++11/condition_variable.cc: Likewise.
1689         * src/c++11/futex.cc: Likewise.
1690         * src/c++11/future.cc: Likewise.
1691         * src/c++11/mutex.cc: Likewise.
1692         * src/c++11/thread.cc: Likewise.
1693         * testsuite/20_util/duration/literals/range_neg.cc: Adjust dg-error.
1694         * testsuite/20_util/duration/requirements/typedefs_neg1.cc: Likewise.
1695         * testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
1696         * testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
1697         * testsuite/20_util/ratio/cons/cons_overflow_neg.cc: Likewise.
1698         * testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.
1699
1700 2018-07-26  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
1701
1702         PR libstdc++/77691
1703         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1704         xfail execution on 32-bit Solaris/x86.
1705
1706 2018-07-26  Marc Glisse  <marc.glisse@inria.fr>
1707
1708         * include/bits/stl_vector.h (_Vector_impl_data::_M_copy_data): New.
1709         (_Vector_impl_data::_M_swap_data): Use _M_copy_data.
1710         (vector::_M_move_assign): Reorder the swaps.
1711
1712 2018-07-26  Jonathan Wakely  <jwakely@redhat.com>
1713
1714         PR libstdc++/86676
1715         * testsuite/20_util/monotonic_buffer_resource/release.cc: Request
1716         same alignment for post-release allocation.
1717
1718 2018-07-25  Jonathan Wakely  <jwakely@redhat.com>
1719
1720         PR libstdc++/86676
1721         * testsuite/20_util/monotonic_buffer_resource/release.cc: Allow for
1722         buffer being misaligned and so returned pointer not being at start.
1723
1724         * include/experimental/memory_resource: Include <cstddef> header.
1725
1726         * acinclude.m4 (glibcxx_SUBDIRS): Add src/c++17.
1727         * src/Makefile.am: Add comment.
1728         * src/c++17/Makefile.in: Regenerate.
1729
1730         * include/Makefile.am: Add new <bits/unique_lock.h> header.
1731         * include/Makefile.in: Regenerate.
1732         * include/bits/std_mutex.h [!_GLIBCXX_USE_C99_STDINT_TR1] (mutex)
1733         (lock_guard): Define independent of _GLIBCXX_USE_C99_STDINT_TR1.
1734         (unique_lock): Move definition to ...
1735         * include/bits/unique_lock.h: New header.
1736         [!_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock): Define unconditionally.
1737         [_GLIBCXX_USE_C99_STDINT_TR1] (unique_lock(mutex_type&, time_point))
1738         (unique_lock(mutex_type&, duration), unique_lock::try_lock_until)
1739         (unique_lock::try_lock_for): Define only when <chrono> is usable.
1740         * include/std/condition_variable: Include <bits/unique_lock.h>.
1741         * include/std/mutex: Likewise.
1742
1743 2018-07-24  Jonathan Wakely  <jwakely@redhat.com>
1744
1745         * config/abi/pre/gnu.ver: Export new symbols.
1746         * configure: Regenerate.
1747         * include/Makefile.am: Add new <memory_resource> header.
1748         * include/Makefile.in: Regenerate.
1749         * include/precompiled/stdc++.h: Include <memory_resource> for C++17.
1750         * include/std/memory_resource: New header.
1751         (memory_resource, polymorphic_allocator, new_delete_resource)
1752         (null_memory_resource, set_default_resource, get_default_resource)
1753         (pool_options, monotonic_buffer_resource): Define.
1754         * src/Makefile.am: Add c++17 directory.
1755         * src/Makefile.in: Regenerate.
1756         * src/c++11/Makefile.am: Fix comment.
1757         * src/c++17/Makefile.am: Add makefile for new sub-directory.
1758         * src/c++17/Makefile.in: Generate.
1759         * src/c++17/memory_resource.cc: New.
1760         (newdel_res_t, null_res_t, constant_init, newdel_res, null_res)
1761         (default_res, new_delete_resource, null_memory_resource)
1762         (set_default_resource, get_default_resource): Define.
1763         * testsuite/20_util/memory_resource/1.cc: New test.
1764         * testsuite/20_util/memory_resource/2.cc: New test.
1765         * testsuite/20_util/monotonic_buffer_resource/1.cc: New test.
1766         * testsuite/20_util/monotonic_buffer_resource/allocate.cc: New test.
1767         * testsuite/20_util/monotonic_buffer_resource/deallocate.cc: New test.
1768         * testsuite/20_util/monotonic_buffer_resource/release.cc: New test.
1769         * testsuite/20_util/monotonic_buffer_resource/upstream_resource.cc:
1770         New test.
1771         * testsuite/20_util/polymorphic_allocator/1.cc: New test.
1772         * testsuite/20_util/polymorphic_allocator/resource.cc: New test.
1773         * testsuite/20_util/polymorphic_allocator/select.cc: New test.
1774         * testsuite/util/testsuite_allocator.h (__gnu_test::memory_resource):
1775         Define concrete memory resource for testing.
1776         (__gnu_test::default_resource_mgr): Define RAII helper for changing
1777         default resource.
1778
1779         PR libstdc++/86658
1780         * include/bits/stl_algobase.h (__niter_wrap<_Iterator>): Pass unused
1781         parameter by reference, to avoid copying invalid iterators.
1782         * testsuite/25_algorithms/copy/86658.cc: New test.
1783
1784         * include/std/bit (__countl_zero, __countr_zero, __popcount): Use
1785         local variables for number of digits instead of type aliases.
1786         (__log2p1): Remove redundant branch also checked in __countl_zero.
1787
1788         * include/bits/uses_allocator.h (__is_erased_or_convertible): Reorder
1789         conditions. Add comments.
1790         * testsuite/20_util/uses_allocator/69293_neg.cc: Adjust dg-error line.
1791         * testsuite/20_util/uses_allocator/cons_neg.cc: Likewise.
1792         * testsuite/20_util/scoped_allocator/69293_neg.cc: Likewise.
1793
1794         * include/bits/uses_allocator.h (__is_erased_or_convertible): Remove.
1795         (__uses_allocator_helper): Check conditions directly instead of
1796         using __is_erased_or_convertible.
1797
1798         * include/experimental/memory_resource: Adjust comments and
1799         whitespace.
1800         (__resource_adaptor_imp): Add second template parameter for type of
1801         memory resource base class.
1802         (memory_resource): Define default constructor, destructor, copy
1803         constructor and copy assignment operator as defaulted.
1804
1805         PR libstdc++/70966
1806         * include/experimental/memory_resource (__get_default_resource): Use
1807         placement new to create an object with dynamic storage duration.
1808
1809 2018-07-23  Jonathan Wakely  <jwakely@redhat.com>
1810
1811         PR libstdc++/70940
1812         * include/experimental/memory_resource
1813         (__resource_adaptor_common::_AlignMgr::_M_unadjust): Add assertion.
1814         (__resource_adaptor_common::__guaranteed_alignment): New helper to
1815         give maximum alignment an allocator guarantees. Specialize for known
1816         allocators using new and malloc.
1817         (__resource_adaptor_imp::do_allocate): Use __guaranteed_alignment.
1818         (__resource_adaptor_imp::do_deallocate): Likewise.
1819         * testsuite/experimental/memory_resource/new_delete_resource.cc:
1820         Check that new and delete are called with expected sizes.
1821
1822 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1823
1824         PR libstdc++/86595
1825         * include/bits/fs_dir.h (directory_entry::refresh(error_code&)): Add
1826         noexcept.
1827
1828 2018-07-20  Fangrui Song  <maskray@google.com>
1829
1830         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Use
1831         _GLIBCXX_VISIBILITY(default).
1832
1833 2018-07-20  Jonathan Wakely  <jwakely@redhat.com>
1834
1835         PR libstdc++/86603
1836         * include/std/version: Move __cpp_lib_list_remove_return_type macro.
1837
1838 2018-07-19  Jonathan Wakely  <jwakely@redhat.com>
1839
1840         * include/std/type_traits (__is_member_object_pointer_helper): Use
1841         __not_<is_function<_Tp>>::type instead of integral_constant.
1842         (__is_member_function_pointer_helper): Likewise for
1843         is_function<_Tp>::type.
1844         (is_compund): Likewise for __not_<is_fundamental<_Tp>>::type.
1845         (__do_is_nt_destructible_impl): Use __bool_constant and reindent.
1846         (is_trivially_constructible): Remove redundant use of
1847         is_constructible.
1848         (__is_trivially_copy_assignable_impl): Remove redundant use of
1849         is_copy_assignable.
1850         (__is_trivially_move_assignable_impl): Remove redundant use of
1851         is_move_assignable.
1852         (is_trivially_destructible): Use __bool_constant.
1853         * testsuite/20_util/is_trivially_assignable/value.cc: Add some more
1854         tests for scalar types.
1855
1856 2018-07-19  Glen Joseph Fernandes  <glenjofe@gmail.com>
1857
1858         * include/bits/stl_algobase.h (__copy_move_a): Used
1859         __is_trivially_copyable.
1860         (__copy_move_backward_a): Likewise.
1861         * testsuite/20_util/specialized_algorithms/uninitialized_copy/1.cc:
1862         New test.
1863
1864 2018-07-17  Jonathan Wakely  <jwakely@redhat.com>
1865
1866         PR libstdc++/86450
1867         * acinclude.m4 (GLIBCXX_CHECK_COMPILER_FEATURES): Don't define WERROR.
1868         (GLIBCXX_EXPORT_FLAGS): Use -Wabi=2 instead of -Wabi.
1869         * configure: Regenerate.
1870         * configure.ac: Change GLIBCXX_ENABLE_WERROR default to "no".
1871         * doc/Makefile.in: Regenerate.
1872         * fragment.am: Set WERROR_FLAG to -Werror instead of $(WERROR).
1873         * include/Makefile.in: Regenerate.
1874         * libsupc++/Makefile.in: Regenerate.
1875         * po/Makefile.in: Regenerate.
1876         * python/Makefile.in: Regenerate.
1877         * src/Makefile.in: Regenerate.
1878         * src/c++11/Makefile.in: Regenerate.
1879         * src/c++11/debug.cc: Use diagnostic pragmas to suppress warnings
1880         from -Wabi=2 that don't affect exported symbols.
1881         * src/c++98/Makefile.in: Regenerate.
1882         * src/filesystem/Makefile.in: Regenerate.
1883         * testsuite/Makefile.in: Regenerate.
1884
1885         * src/c++11/compatibility-thread-c++0x.cc [_GLIBCXX_SHARED]
1886         (_Async_state_common::_M_join): Simplify use of std::call_once and
1887         corresponding explicit instantiation.
1888         (_Maybe_wrap_member_pointer, _Bind_simple, _Bind_simple_helper)
1889         (__bind_simple): Remove definitions and explicit instantiation that
1890         are not required by exported symbols.
1891
1892 2018-07-16  Jonathan Wakely  <jwakely@redhat.com>
1893
1894         * scripts/create_testsuite_files: Fix typo in comment.
1895
1896         PR libstdc++/86537
1897         * include/bits/shared_ptr.h (less<shared_ptr<_Tp>>): Remove
1898         non-standard partial specialization.
1899         * include/bits/shared_ptr_base.h (_Sp_less): Remove class definition.
1900         (less<__shared_ptr<_Tp, _Lp>): Remove partial specialization.
1901         * testsuite/20_util/shared_ptr/comparison/86537.cc: New test.
1902
1903 2018-07-16  Andreas Krebbel  <krebbel@linux.ibm.com>
1904
1905         * config/abi/post/s390-linux-gnu/baseline_symbols.txt: Update.
1906         * config/abi/post/s390x-linux-gnu/32/baseline_symbols.txt: Update.
1907         * config/abi/post/s390x-linux-gnu/baseline_symbols.txt: Update.
1908
1909 2018-07-06  François Dumont  <fdumont@gcc.gnu.org>
1910
1911         * include/debug/functions.h (__gnu_debug::__check_string): Move...
1912         * include/debug/string (__gnu_debug::__check_string): ... here.
1913         (_GLIBCXX_DEBUG_VERIFY_STR_COND_AT): New.
1914         (__glibcxx_check_string_n_constructor): New.
1915         (__gnu_debug::basic_string<>(const _CharT*, size_type, const _Alloc&)):
1916         Use latter.
1917         (__glibcxx_check_string_constructor): New.
1918         (__gnu_debug::basic_string<>(const _CharT*, const _Alloc&)):
1919         Use latter.
1920         * testsuite/21_strings/basic_string/debug/1_neg.cc: New.
1921         * testsuite/21_strings/basic_string/debug/2_neg.cc: New.
1922
1923 2018-07-06  Jonathan Wakely  <jwakely@redhat.com>
1924
1925         PR libstdc++/84928 use std::move in <numeric> algorithms
1926         * include/bits/stl_numeric.h (_GLIBCXX_MOVE_IF_20): Define macro to
1927         conditionally move, according to __cplusplus value.
1928         (accumulate, inner_product, partial_sum, adjacent_difference): Use
1929         _GLIBCXX_MOVE_IF_20.
1930         * testsuite/26_numerics/accumulate/lwg2055.cc: New test.
1931         * testsuite/26_numerics/adjacent_difference/lwg2055.cc: New test.
1932         * testsuite/26_numerics/inner_product/lwg2055.cc: New test.
1933         * testsuite/26_numerics/partial_sum/lwg2055.cc: New test.
1934
1935         * config/abi/pre/gnu.ver: Use wildcards to combine related patterns.
1936
1937         P0935R0 Eradicating unnecessarily explicit default constructors
1938         * config/abi/pre/gnu.ver: Tighten existing patterns and export new
1939         default constructor symbols.
1940         * include/std/sstream (basic_stringbuf, basic_istringstream)
1941         (basic_ostringstream, basic_stringstream): Remove default arguments
1942         from explicit constructors taking ios_base::openmode and add separate
1943         non-explicit default constructors.
1944         * testsuite/27_io/basic_istringstream/cons/default.cc: New.
1945         * testsuite/27_io/basic_ostringstream/cons/default.cc: New.
1946         * testsuite/27_io/basic_stringstream/cons/default.cc: New.
1947         * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New.
1948         * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New.
1949
1950         * include/std/variant (__accepted_index): Use void_t.
1951
1952 2018-07-05  Jonathan Wakely  <jwakely@redhat.com>
1953
1954         PR libstdc++/85831
1955         * config/abi/pre/gnu.ver: Export move constructors and move
1956         assignment operators for std::logic_error and std::runtime_error.
1957         * include/std/stdexcept: Use _GLIBCXX_NOTHROW instead of
1958         _GLIBCXX_USE_NOEXCEPT.
1959         (logic_error, runtime_error): Declare move constructors and move
1960         assignment operators. When not declared already, define copy
1961         constructors and copy assignment operators as explicit-defaulted.
1962         (domain_error, invalid_argument, length_error, out_of_range)
1963         (overflow_error, underflow_error): Define move constructors and move
1964         assignment operators as explicitly-defaulted.
1965         * libsupc++/exception.h (exception): Likewise.
1966         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Define
1967         move constructors and move assignment operators as defaulted.
1968         * testsuite/19_diagnostics/stdexcept.cc: Check that constructors and
1969         assignment operators are defined.
1970
1971         * testsuite/21_strings/basic_string/cons/char/deduction.cc: XFAIL for
1972         COW strings.
1973         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
1974         Likewise.
1975         * testsuite/21_strings/basic_string/requirements/
1976         explicit_instantiation/debug.cc: Likewise.
1977
1978         PR libstdc++/58265
1979         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1980         (basic_string::assign(basic_string&&)): Add conditional noexcept
1981         depending on the allocator's is_always_equal property (LWG 2063).
1982         * testsuite/21_strings/basic_string/modifiers/assign/char/
1983         move_assign.cc: Check for non-throwing exception specification.
1984         * testsuite/21_strings/basic_string/modifiers/assign/wchar_t/
1985         move_assign.cc: Likewise.
1986
1987         PR libstdc++/58265
1988         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
1989         [_GLIBCXX_FULLY_DYNAMIC_STRING==0] (basic_string::basic_string()):
1990         Add GLIBCXX_NOEXCEPT.
1991         (basic_string::operator=(basic_string&&)): Add _GLIBCXX_NOEXCEPT_IF
1992         to depend on the allocator's is_always_equal property (LWG 2063).
1993         (basic_string::swap(basic_string&)): Likewise.
1994         * include/bits/basic_string.tcc [!_GLIBCXX_USE_CXX11_ABI]
1995         (basic_string::swap(basic_string&)): Likewise.
1996         * testsuite/21_strings/basic_string/allocator/char/move_assign.cc:
1997         Check is_nothrow_move_assignable.
1998         * testsuite/21_strings/basic_string/allocator/wchar_t/move_assign.cc:
1999         Check is_nothrow_move_assignable.
2000         * testsuite/21_strings/basic_string/cons/char/
2001         noexcept_move_construct.cc: Likewise.
2002         * testsuite/21_strings/basic_string/cons/wchar_t/
2003         noexcept_move_construct.cc: Likewise.
2004
2005 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2006
2007         P0646R1 Improving the Return Value of Erase-Like Algorithms I
2008         * include/bits/forward_list.h (__cpp_lib_list_remove_return_type):
2009         Define.
2010         (forward_list::__remove_return_type): Define typedef as size_type or
2011         void, according to __cplusplus value.
2012         (_GLIBCXX_FWDLIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2013         empty, according to __cplusplus value.
2014         (forward_list::remove, forward_list::unique): Use typedef and macro
2015         to change return type and add abi-tag for C++2a.
2016         (forward_list::remove_if<Pred>, forward_list::unique<BinPred>): Use
2017         typedef to change return type for C++2a.
2018         * include/bits/forward_list.tcc (_GLIBCXX20_ONLY): Define macro.
2019         (forward_list::remove, forward_list::remove_if<Pred>)
2020         (forward_list::unique<BinPred>): Return number of removed elements
2021         for C++2a.
2022         * include/bits/list.tcc (_GLIBCXX20_ONLY): Define macro.
2023         (list::remove, list::unique, list::remove_if<Predicate>)
2024         (list::unique<BinaryPredicate>): Return number of removed elements
2025         for C++2a.
2026         * include/bits/stl_list.h (__cpp_lib_list_remove_return_type): Define.
2027         (list::__remove_return_type): Define typedef as size_type or
2028         void, according to __cplusplus value.
2029         (_GLIBCXX_LIST_REMOVE_RETURN_TYPE_TAG): Define macro as abi-tag or
2030         empty, according to __cplusplus value.
2031         (list::remove, list::unique): Use typedef and macro to change return
2032         type and add abi-tag for C++2a.
2033         (list::remove_if<Predicate>, list::unique<BinaryPredicate>): Use
2034         typedef to change return type for C++2a.
2035         * include/std/version (__cpp_lib_list_remove_return_type): Define.
2036         * testsuite/23_containers/forward_list/operations/
2037         remove_cxx20_return.cc: New.
2038         * testsuite/23_containers/forward_list/operations/
2039         unique_cxx20_return.cc: New.
2040
2041         P0458R2 Checking for Existence of an Element in Associative Containers
2042         * include/bits/stl_map.h (map::contains): Add for C++2a.
2043         * include/bits/stl_multimap.h (multimap::contains): Likewise.
2044         * include/bits/stl_multiset.h (multiset::contains): Likewise.
2045         * include/bits/stl_set.h (set::contains): Likewise.
2046         * include/bits/stl_tree.h (__has_is_transparent_t): Define alias.
2047         (_Rb_tree::_M_find_tr, _Rb_tree::_M_count_tr)
2048         (_Rb_tree::_M_lower_bound_tr, _Rb_tree::_M_upper_bound_tr)
2049         (_Rb_tree::_M_equal_range_tr): Use __has_is_transparent_t.
2050         * include/bits/unordered_map.h (unordered_map::contains)
2051         (unordered_multimap::contains): Add for C++2a.
2052         * include/bits/unordered_set.h (unordered_set::contains)
2053         (unordered_multiset::contains): Likewise.
2054         * testsuite/23_containers/map/operations/contains.cc: New.
2055         * testsuite/23_containers/multimap/operations/contains.cc: New.
2056         * testsuite/23_containers/multiset/operations/contains.cc: New.
2057         * testsuite/23_containers/set/operations/contains.cc: New.
2058         * testsuite/23_containers/unordered_map/operations/contains.cc: New.
2059         * testsuite/23_containers/unordered_multimap/operations/contains.cc:
2060         New.
2061         * testsuite/23_containers/unordered_multiset/operations/contains.cc:
2062         New.
2063         * testsuite/23_containers/unordered_set/operations/contains.cc: New.
2064
2065 2018-07-04  François Dumont  <fdumont@gcc.gnu.org>
2066
2067         PR libstdc++/86272
2068         * include/debug/string
2069         (__gnu_debug::basic_string<>::insert<_Ite>(const_iterator, _Ite, _Ite)):
2070         Use __glibcxx_check_insert_range.
2071         * 21_strings/basic_string/cons/char/1.cc: Adapt test to use
2072         __gnu_debug::string when _GLIBCXX_DEBUG.
2073         * 21_strings/basic_string/init-list.cc: Likewise.
2074         * 21_strings/basic_string/modifiers/insert/char/1.cc: Likewise.
2075         * 21_strings/basic_string/modifiers/insert/char/2.cc: Likewise.
2076         * 21_strings/basic_string/modifiers/insert/char/83328.cc: Likewise.
2077         * 21_strings/basic_string/types/1.cc: Likewise.
2078
2079 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2080
2081         * testsuite/25_algorithms/make_heap/complexity.cc: Require effective
2082         target for std::random_device.
2083         * testsuite/26_numerics/random/random_device/cons/default.cc:
2084         Likewise.
2085         * testsuite/experimental/algorithm/sample-2.cc: Likewise.
2086         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2087         * testsuite/experimental/random/randint.cc: Likewise.
2088         * testsuite/lib/libstdc++.exp
2089         (check_effective_target_random_device): New proc.
2090
2091 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2092             Jakub Jelinek  <jakub@redhat.com>
2093
2094         * include/std/bit (__rotl, __rotr): Fix for non-power of two sizes.
2095
2096 2018-07-04  Jonathan Wakely  <jwakely@redhat.com>
2097
2098         PR libstdc++/86398
2099         * include/std/type_traits (is_trivially_constructible): Check
2100         is_constructible before __is_trivially_constructible.
2101         * testsuite/20_util/is_trivially_constructible/value.cc: Add more
2102         tests, including negative cases.
2103         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Use
2104         zero for dg-error lineno.
2105         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc:
2106         Likewise.
2107
2108         * include/std/bit (__rotl, __rotr): Avoid branch.
2109         (_If_is_unsigned_integer): Use remove_cv_t.
2110         * testsuite/26_numerics/bit/bitops.count/popcount.cc: New.
2111
2112 2018-07-03  Jonathan Wakely  <jwakely@redhat.com>
2113
2114         P0556R3 Integral power-of-2 operations, P0553R2 Bit operations
2115         * include/Makefile.am: Add new header.
2116         * include/Makefile.in: Regenerate.
2117         * include/precompiled/stdc++.h: Include new header.
2118         * include/std/bit: New header.
2119         (__rotl, __rotr, __countl_zero, __countl_one, __countr_zero)
2120         (__countr_one, __popcount, __ispow2, __ceil2, __floor2, __log2p1):
2121         Define for C++14.
2122         [!__STRICT_ANSI__] (rotl, rotr, countl_zero, countl_one, countr_zero)
2123         (countr_one, popcount): Define for C++2a. Also overload for std::byte.
2124         (ispow2, ceil2, floor2, log2p1): Define for C++2a.
2125         [!__STRICT_ANSI__] (ispow2, ceil2, floor2, log2p1): Overload for
2126         std::byte.
2127         * testsuite/26_numerics/bit/bit.pow.two/ceil2.cc: New.
2128         * testsuite/26_numerics/bit/bit.pow.two/floor2.cc: New.
2129         * testsuite/26_numerics/bit/bit.pow.two/ispow2.cc: New.
2130         * testsuite/26_numerics/bit/bit.pow.two/log2p1.cc: New.
2131         * testsuite/26_numerics/bit/bitops.rot/rotl.cc: New.
2132         * testsuite/26_numerics/bit/bitops.rot/rotr.cc: New.
2133         * testsuite/26_numerics/bit/bitops.count/countl_one.cc: New.
2134         * testsuite/26_numerics/bit/bitops.count/countl_zero.cc: New.
2135         * testsuite/26_numerics/bit/bitops.count/countr_one.cc: New.
2136         * testsuite/26_numerics/bit/bitops.count/countr_zero.cc: New.
2137
2138         * include/bits/alloc_traits.h: Remove redundant preprocessor
2139         condition.
2140
2141 2018-07-03  François Dumont  <fdumont@gcc.gnu.org>
2142
2143         * include/bits/stl_algobase.h (__niter_wrap): New.
2144         (__copy_move_a2(_II, _II, _OI)): Use latter.
2145         (__copy_move_backward_a2(_BI1, _BI1, _BI2)): Likewise.
2146         (fill_n(_OI, _Size, const _Tp&)): Likewise.
2147         (equal(_II1, _II1, _II2)): Use __glibcxx_requires_can_increment.
2148         * include/debug/stl_iterator.h
2149         (std::__niter_base(const __gnu_cxx::_Safe_iterator<
2150         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New declaration.
2151         * include/debug/vector (__niter_base(const __gnu_cxx::_Safe_iterator<
2152         __gnu_cxx::__normal_iterator<>, _Sequence>&)): New.
2153
2154 2018-07-02  Jonathan Wakely  <jwakely@redhat.com>
2155
2156         P0758R1 Implicit conversion traits
2157         * include/std/type_traits [__cplusplus > 201703]
2158         (__is_convertible_helper::__is_nothrow_type): Define new member.
2159         (__is_convertible_helper<_From, _To, false>::__test_aux1): Add
2160         noexcept.
2161         (__is_convertible_helper<_From, _To, false>::__test_nothrow)
2162         (__is_convertible_helper<_From, _To, false>::__is_nothrow_type): Add
2163         new members.
2164         (is_nothrow_convertible, is_nothrow_convertible_v): Define for C++2a.
2165         * testsuite/20_util/is_nothrow_convertible/value.cc: New.
2166         * testsuite/20_util/is_nothrow_convertible/requirements/
2167         explicit_instantiation.cc: New.
2168         * testsuite/20_util/is_nothrow_convertible/requirements/typedefs.cc:
2169         New.
2170
2171         P0887R1 The identity metafunction
2172         * include/std/type_traits (type_identity, type_identity_t): Define
2173         for C++2a.
2174         * testsuite/20_util/type_identity/requirements/alias_decl.cc: New.
2175         * testsuite/20_util/type_identity/requirements/
2176         explicit_instantiation.cc:New.
2177         * testsuite/20_util/type_identity/requirements/typedefs.cc: New.
2178
2179         * include/bits/regex.h (sub_match::operator string_type): Call str().
2180         (sub_match::compare): Use _M_str() instead of str().
2181         (sub_match::_M_compare): New public function.
2182         (sub_match::__string_view): New helper type.
2183         (sub_match::_M_str): New overloaded functions to avoid creating a
2184         string_type object when not needed.
2185         (operator==, operator!=, operator<, operator>, operator<=, operator>=):
2186         Use sub_match::_M_compare instead of creating string_type objects.
2187         Fix Doxygen comments.
2188         * include/bits/regex_compiler.h (__has_contiguous_iter): Remove.
2189         (__is_contiguous_normal_iter): Rename to __is_contiguous_iter and
2190         simplify.
2191         (__enable_if_contiguous_iter, __disable_if_contiguous_iter): Use
2192         __enable_if_t.
2193         * include/std/type_traits (__enable_if_t): Define for C++11.
2194         * testsuite/28_regex/sub_match/compare.cc: New.
2195         * testsuite/util/testsuite_iterators.h (remove_cv): Add transformation
2196         trait.
2197         (input_iterator_wrapper): Use remove_cv for value_type argument of
2198         std::iterator base class.
2199
2200 2018-06-29  Jonathan Wakely  <jwakely@redhat.com>
2201
2202         * testsuite/20_util/add_rvalue_reference/requirements/alias_decl.cc:
2203         Add whitespace to dejagnu directive.
2204         * testsuite/23_containers/array/element_access/at_neg.cc: Likewise.
2205
2206 2018-06-27  François Dumont  <fdumont@gcc.gnu.org>
2207
2208         * include/bits/stl_vector.h
2209         (struct _Vector_base<>::_Vector_impl_data): New.
2210         (struct _Vector_base<>::_Vector_impl): Inherit from latter.
2211         (_Vector_base<>::_Vector_impl::_M_swap_data): Move...
2212         (_Vector_base<>::_Vector_impl_data::_M_swap_data): ...here.
2213         (_Vector_base<>::_Vector_impl()): Add noexcept qualification.
2214         (_Vector_base<>::_Vector_impl(_Vector_impl&&)): New.
2215         (_Vector_base<>::_Vector_impl(_Tp_alloc_type&&, _Vector_impl&&)): New.
2216         (_Vector_base(const allocator_type&, _Vector_base&&)): New, use latter.
2217         (_Vector_base()): Default.
2218         (_Vector_base(_Vector_base&&)): Default.
2219         (_Vector_base(size_t)) [_GLIBCXX_INLINE_VERSION]: Delete.
2220         (_Vector_base(_Tp_alloc_type&&)) [_GLIBCXX_INLINE_VERSION]: Delete.
2221         (_Vector_base::_M_create_storage(size_t)): Make protected.
2222         (vector()): Default.
2223         (vector(vector&&)): Default.
2224         (vector(vector&&, const allocator_type&, true_type)): New.
2225         (vector(vector&&, const allocator_type&, false_type)): New.
2226         (vector(vector&&, const allocator_type&)): Use latters.
2227         (vector(_InputIte, _InputIte, const allocator_type&)): Call
2228         _M_range_initialize directly.
2229         * include/debug/vector
2230         (vector(vector&&, const allocator_type&)): Add noexcept qualification.
2231         * testsuite/23_containers/vector/allocator/default_init.cc: New.
2232         * testsuite/23_containers/vector/cons/noexcept_move_construct.cc: Add
2233         static assertions.
2234
2235 2018-06-27  Jonathan Wakely  <jwakely@redhat.com>
2236
2237         * include/bits/cpp_type_traits.h [__cplusplus >= 201703]
2238         (__is_byte<byte>): Define specialization for std::byte.
2239
2240         PR libstdc++/86138
2241         * include/bits/basic_string.tcc: [_GLIBCXX_EXTERN_TEMPLATE < 0]
2242         Declare explicit instantiations of COW empty reps and I/O functions.
2243
2244 2018-06-26  David Edelsohn  <dje.gcc@gmail.com>
2245
2246         * testsuite/experimental/algorithm/sample-2.cc: Add TLS DejaGNU
2247         directives.
2248         * testsuite/experimental/algorithm/shuffle.cc: Likewise.
2249
2250 2018-06-26  Jonathan Wakely  <jwakely@redhat.com>
2251
2252         * include/bits/regex.tcc (regex_iterator::operator==): Add missing
2253         noexcept.
2254
2255 2018-06-25  Jonathan Wakely  <jwakely@redhat.com>
2256
2257         PR libstdc++/86112
2258         * python/libstdcxx/v6/printers.py (add_one_template_type_printer):
2259         Replace dict comprehension.
2260
2261         PR libstdc++/81092
2262         * config/abi/post/powerpc64-linux-gnu/baseline_symbols.txt: Update.
2263
2264         PR libstdc++/86292
2265         * include/bits/stl_vector.h (vector::_M_range_initialize<InputIter>):
2266         Add try-catch block.
2267         * testsuite/23_containers/vector/cons/86292.cc: New.
2268
2269         * doc/xml/manual/status_cxx2017.xml: Document N4531 status.
2270
2271         * include/experimental/algorithm (sample, shuffle): Add new overloads
2272         using per-thread random number engine.
2273         * testsuite/experimental/algorithm/sample.cc: Simpify and reduce
2274         dependencies by using __gnu_test::test_container.
2275         * testsuite/experimental/algorithm/sample-2.cc: New.
2276         * testsuite/experimental/algorithm/shuffle.cc: New.
2277
2278 2018-06-22  Jonathan Wakely  <jwakely@redhat.com>
2279
2280         * config/abi/pre/gnu.ver: Fix __cxx11::basic_string patterns for
2281         different size_t mangling on 32-bit targets.
2282
2283         PR libstdc++/86280
2284         * include/experimental/memory_resource
2285         (__resource_adaptor_common::_AlignMgr::_M_token_size): Use type large
2286         enough for result of left shift.
2287
2288         PR libstdc++/86138
2289         * include/bits/basic_string.tcc:
2290         [__cplusplus > 201402 && !_GLIBCXX_USE_CXX11_ABI]
2291         (basic_string<char>::_Rep::_S_empty_rep_storage)
2292         (basic_string<wchar_t>::_Rep::_S_empty_rep_storage): Add explicit
2293         instantiation declarations.
2294         [__cplusplus > 201402] (operator>>, operator<<, getline): Re-enable
2295         explicit instantiation declarations.
2296         * testsuite/21_strings/basic_string/cons/char/86138.cc: New.
2297         * testsuite/21_strings/basic_string/cons/wchar_t/86138.cc: New.
2298
2299 2018-06-21  Jonathan Wakely  <jwakely@redhat.com>
2300
2301         PR libstdc++/83328
2302         * acinclude.m4 (libtool_VERSION): Bump to 6:26:0.
2303         * config/abi/pre/gnu.ver: Add GLIBCXX_3.4.26 and export new symbol.
2304         * configure: Regenerate.
2305         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI]
2306         (basic_string::insert(const_iterator, initializer_list<C>)): Add.
2307         [_GLIBCXX_USE_CXX11_ABI && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2308         (basic_string::insert(iterator, initializer_list<C>)): Suppress
2309         definition.
2310         * include/debug/string (basic_string::insert(iterator, C)): Change
2311         first parameter to const_iterator.
2312         (basic_string::insert(iterator, size_type, C)): Likewise. Change
2313         return type to iterator.
2314         (basic_string::insert(iterator, InputIterator, InputIterator)):
2315         Likewise.
2316         (basic_string::insert(iterator, initializer_list<C>)): Change first
2317         parameter to const_iterator and return type to iterator.
2318         * src/c++11/string-inst.cc: Extend comment.
2319         * testsuite/21_strings/basic_string/modifiers/insert/char/83328.cc:
2320         New.
2321         * testsuite/21_strings/basic_string/modifiers/insert/wchar_t/83328.cc:
2322         New.
2323         * testsuite/util/testsuite_abi.cc: Add new symbol version.
2324
2325         * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Update.
2326
2327         PR libstdc++/70940
2328         * include/experimental/memory_resource
2329         (__resource_adaptor_imp::do_deallocate): Add missing return.
2330         * testsuite/experimental/memory_resource/new_delete_resource.cc: New.
2331         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2332         resource_adaptor with std::allocator, __gnu_cxx::new_allocator and
2333         __gnu_cxx::malloc_allocator.
2334
2335         PR libstdc++/70940
2336         * include/experimental/memory_resource (__resource_adaptor_common):
2337         New base class.
2338         (__resource_adaptor_common::_AlignMgr): Helper for obtaining aligned
2339         pointer from unaligned, and vice versa.
2340         (__resource_adaptor_imp::do_allocate): Use _AlignMgr to adjust
2341         allocated pointer to meet alignment request.
2342         (__resource_adaptor_imp::do_deallocate): Use _AlignMgr to retrieve
2343         original pointer for deallocation.
2344         (__resource_adaptor_imp::do_is_equal): Reformat.
2345         (__resource_adaptor_imp::_S_aligned_size): Remove.
2346         (__resource_adaptor_imp::_S_supported): Remove.
2347         (new_delete_resource): Use __gnu_cxx::new_allocator.
2348         * testsuite/experimental/memory_resource/resource_adaptor.cc: Test
2349         extended alignments and use debug_allocator to check for matching
2350         allocate/deallocate pairs.
2351
2352 2018-06-21  François Dumont  <fdumont@gcc.gnu.org>
2353
2354         * include/debug/safe_iterator.h
2355         (_Safe_iterator<>(const _Safe_iterator<_MutableIterator,>& __x)):
2356         Compare __x base iterator with a value-initialized iterator of the
2357         same type.
2358
2359 2018-06-20  Jonathan Wakely  <jwakely@redhat.com>
2360
2361         PR libstdc++/70966
2362         * include/experimental/memory_resource (__resource_adaptor_imp): Add
2363         static assertions to enforce requirements on pointer types.
2364         (__resource_adaptor_imp::get_allocator()): Add noexcept.
2365         (new_delete_resource, null_memory_resource): Return address of an
2366         object with dynamic storage duration.
2367         (__null_memory_resource): Remove.
2368         * testsuite/experimental/memory_resource/70966.cc: New.
2369
2370         * testsuite/20_util/duration/arithmetic/dr3050.cc: Add new test
2371         missed from recent commit.
2372
2373 2018-06-19  Jonathan Wakely  <jwakely@redhat.com>
2374
2375         * include/std/utility: Remove unused <exception> header.
2376
2377 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2378
2379         LWG 2975 ensure construct(pair<T,U>*, ...) used to construct pairs
2380         * include/std/scoped_allocator (__not_pair): Define SFINAE helper.
2381         (construct(_Tp*, _Args&&...)): Remove from overload set when _Tp is
2382         a specialization of std::pair.
2383         * testsuite/20_util/scoped_allocator/construct_pair.cc: Ensure
2384         pair elements are constructed correctly.
2385
2386         LWG 2989 hide path iostream operators from normal lookup
2387         * include/bits/fs_path.h (operator<<, operator>>): Define inline as
2388         friends.
2389         * testsuite/27_io/filesystem/path/io/dr2989.cc: New.
2390
2391         LWG 3050 Fix cv-qualification of convertibility constraints
2392         * include/std/chrono (duration, operator*, operator/, operator%): Use
2393         const-qualified type as source type in is_convertible constraints.
2394         * testsuite/20_util/duration/arithmetic/dr3050.cc: New.
2395         * testsuite/20_util/duration/cons/dr3050.cc: New.
2396         * testsuite/20_util/duration/literals/range.cc: Rename to...
2397         * testsuite/20_util/duration/literals/range_neg.cc: Here. Adjust
2398         dg-error lineno.
2399
2400 2018-06-18  Maya Rashish  <coypu@sdf.org>
2401
2402         * crossconfig.m4: Handle OpenBSD just like NetBSD.
2403         * configure: Rebuilt.
2404
2405 2018-06-18  Jonathan Wakely  <jwakely@redhat.com>
2406
2407         P0754R2 <version> header
2408         * include/Makefile.am: Add new header.
2409         * include/Makefile.in: Regenerate.
2410         * include/bits/c++config: Change doxygen comment to suggest <version>
2411         instead of <iosfwd>.
2412         * include/precompiled/stdc++.h: Include <cwchar> and <cwctype>
2413         unconditionally.  Add C++17 and C++20 headers.
2414         * include/std/version: New header.
2415         * testsuite/17_intro/headers/c++2017/all_attributes.cc: New.
2416         * testsuite/17_intro/headers/c++2017/all_no_exceptions.cc: New.
2417         * testsuite/17_intro/headers/c++2017/all_no_rtti.cc: New.
2418         * testsuite/17_intro/headers/c++2017/all_pedantic_errors.cc: New.
2419         * testsuite/17_intro/headers/c++2017/operator_names.cc: New.
2420         * testsuite/17_intro/headers/c++2017/stdc++.cc: New.
2421         * testsuite/17_intro/headers/c++2017/stdc++_multiple_inclusion.cc:
2422         New.
2423         * testsuite/17_intro/headers/c++2020/all_attributes.cc: New.
2424         * testsuite/17_intro/headers/c++2020/all_no_exceptions.cc: New.
2425         * testsuite/17_intro/headers/c++2020/all_no_rtti.cc: New.
2426         * testsuite/17_intro/headers/c++2020/all_pedantic_errors.cc: New.
2427         * testsuite/17_intro/headers/c++2020/operator_names.cc: New.
2428         * testsuite/17_intro/headers/c++2020/stdc++.cc: New.
2429         * testsuite/17_intro/headers/c++2020/stdc++_multiple_inclusion.cc:
2430         New.
2431         * testsuite/18_support/headers/version/macros.cc: New.
2432         * testsuite/18_support/headers/version/macros.cc: New.
2433
2434         * acinclude.m4 (GLIBCXX_CHECK_FILESYSTEM_DEPS): Only check when
2435         enable_libstdcxx_filesystem_ts = yes. Check for link, readlink and
2436         symlink.
2437         * config.h.in: Regenerate.
2438         * configure: Regenerate.
2439         * configure.ac: Remove AC_CHECK_FUNCS for link, readlink and symlink.
2440
2441         LWG 3035. std::allocator's constructors should be constexpr
2442         * include/bits/allocator.h (allocator): Add constexpr to constructors
2443         for C++2a. Replace dynamic exception specifications with NOTHROW
2444         macro.
2445         (allocator, operator==, operator!=): Replace USE_NOEXCEPT macro with
2446         NOTHROW.
2447         * include/bits/c++config (_GLIBCXX20_CONSTEXPR): Define.
2448         * include/ext/malloc_allocator.h (malloc_allocator): Add constexpr
2449         to constructors for C++2a.
2450         * include/ext/new_allocator.h (new_allocator): Likewise.
2451
2452 2018-06-16  Jonathan Wakely  <jwakely@redhat.com>
2453
2454         LWG 3076 basic_string CTAD ambiguity
2455         * doc/xml/manual/intro.xml: Document LWG 3076 change.
2456         * include/bits/basic_string.h
2457         [__cpp_deduction_guides && !_GLIBCXX_DEFINING_STRING_INSTANTIATIONS]
2458         (basic_string(const _CharT*, const _Alloc&)): Turn into a function
2459         template constrained by _RequireAllocator.
2460         (basic_string(size_type, _CharT, const _Alloc&)): Likewise.
2461         * src/c++11/string-inst.cc (_GLIBCXX_DEFINING_STRING_INSTANTIATIONS):
2462         Define.
2463         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2464         deduction
2465         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2466         Likewise.
2467
2468 2018-06-15  Jonathan Wakely  <jwakely@redhat.com>
2469
2470         PR libstdc++/86169
2471         * include/bits/basic_string.h [!_GLIBCXX_USE_CXX11_ABI]
2472         (basic_string::data()): Unshare string.
2473         * testsuite/21_strings/basic_string/operations/data/char/86169.cc:
2474         New.
2475
2476         * include/std/string_view (basic_string_view(const CharT*)): Remove
2477         check for null pointer and add nonnull attribute.
2478         (compare(const CharT*), compare(size_type, size_type, const CharT*))
2479         (find(const CharT*, size_type), rfind(const CharT*, size_type))
2480         (find_first_of(const CharT*, size_type))
2481         (find_last_of(const CharT*, size_type))
2482         (find_first_not_of(const CharT*, size_type))
2483         (find_last_not_of(const CharT*, size_type)): Add nonnull attribute.
2484         * testsuite/21_strings/basic_string_view/cons/char/nonnull.cc: New.
2485         * testsuite/21_strings/basic_string_view/operations/compare/char/
2486         nonnull.cc: New.
2487         * testsuite/21_strings/basic_string_view/operations/find/char/
2488         nonnull.cc: New.
2489         * testsuite/21_strings/basic_string_view/operations/rfind/char/
2490         nonnull.cc: New.
2491
2492         PR libstdc++/86168
2493         * include/bits/random.h (random_device(const string&)): Remove
2494         default argument.
2495
2496         * include/bits/char_traits.h (__cpp_lib_constexpr_char_traits): Only
2497         define for C++17 and above.
2498
2499         LWG 2993 reference_wrapper<T> conversion from T&&
2500         * doc/xml/manual/intro.xml: Document LWG 2993 change.
2501         * include/bits/refwrap.h (reference_wrapper(_Tp&)): Remove.
2502         (reference_wrapper(_Tp&&)): Remove.
2503         (reference_wrapper<_Up>(_Up&&)): Define new constructor as constrained
2504         template.
2505         (reference_wrapper): Add deduction guide.
2506         * testsuite/20_util/reference_wrapper/deduction.cc: New.
2507         * testsuite/20_util/reference_wrapper/lwg2993.cc: New.
2508
2509         LWG 3039 Unnecessary decay in thread and packaged_task
2510         * include/std/future (__constrain_pkgdtask): Replace with ...
2511         (packaged_task::__not_same): New alias template, using
2512         __remove_cvref_t instead of decay.
2513         * include/std/thread (thread::__not_same): Add comment.
2514
2515 2018-06-14  Jonathan Wakely  <jwakely@redhat.com>
2516
2517         LWG 3075 basic_string needs deduction guides from basic_string_view
2518         * testsuite/21_strings/basic_string/cons/char/deduction.cc: Test
2519         deduction from string views.
2520         * testsuite/21_strings/basic_string/cons/wchar_t/deduction.cc:
2521         Likewise.
2522
2523         LWG 3074 make scalar types non-deduced in valarray non-member functions
2524         * include/bits/valarray_after.h (_DEFINE_EXPR_BINARY_FUNCTION): Change
2525         scalar parameters to be a non-deduced context.
2526         * include/std/valarray (_DEFINE_BINARY_OPERATOR): Likewise. Adjust
2527         whitespace.
2528         * testsuite/26_numerics/valarray/operators.cc: Test scalar operands.
2529         * testsuite/26_numerics/valarray/transcend.cc: New.
2530
2531         * include/std/tuple (__cpp_lib_tuple_element_t, tuple_element_t):
2532         Move back to <utility>.
2533         * include/std/utility (__cpp_lib_tuple_element_t. tuple_element_t):
2534         Restore to here.
2535
2536         P0935R0 Eradicating unnecessarily explicit default constructors
2537         * include/backward/strstream (strstreambuf): Add non-explicit default
2538         constructor.
2539         * include/bits/locale_conv.h (wbuffer_convert, wstring_convert):
2540         Likewise.
2541         * include/bits/regex.h (match_results): Likewise.
2542         * testsuite/22_locale/conversions/buffer/1.cc: Test for non-explicit
2543         default constructor.
2544         * testsuite/22_locale/conversions/string/1.cc: Likewise.
2545         * testsuite/28_regex/match_results/ctors/char/default.cc: Likewise.
2546         * testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.
2547
2548         * include/std/tuple (__cpp_lib_tuple_element_t): Move feature test
2549         macro from <utility> and change type to long.
2550         * include/std/utility (__cpp_lib_tuple_element_t): Remove.
2551         * testsuite/20_util/tuple/tuple_element_t.cc: Check for feature test
2552         macro.
2553
2554         P0935R0 Eradicating unnecessarily explicit default constructors
2555         * include/bits/random.h (uniform_real_distribution::param_type)
2556         (normal_distribution::param_type, lognormal_distribution::param_type)
2557         (gamma_distribution::param_type, chi_squared_distribution::param_type)
2558         (cauchy_distribution::param_type, fisher_f_distribution::param_type)
2559         (student_t_distribution::param_type)
2560         (bernoulli_distribution::param_type)
2561         (binomial_distribution::param_type)
2562         (geometric_distribution::param_type)
2563         (negative_binomial_distribution::param_type)
2564         (poisson_distribution::param_type)
2565         (exponential_distribution::param_type)
2566         (weibull_distribution::param_type)
2567         (extreme_value_distribution::param_type): Add non-explicit default
2568         constructors. Remove default argument for first parameter of explicit
2569         constructors.
2570         * include/bits/uniform_int_dist.h
2571         (uniform_int_distribution::param_type): Likewise.
2572         * include/ext/random
2573         (beta_distribution::param_type, rice_distribution::param_type)
2574         (nakagami_distribution::param_type, pareto_distribution::param_type)
2575         (k_distribution::param_type, arcsine_distribution::param_type)
2576         (hoyt_distribution::param_type, triangular_distribution::param_type)
2577         (von_mises_distribution::param_type)
2578         (hypergeometric_distribution::param_type)
2579         (logistic_distribution::param_type)
2580         (uniform_inside_sphere_distribution::param_type): Likewise.
2581         (uniform_on_sphere_distribution::param_type): Make default constructor
2582         non-explicit.
2583         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2584         Test param_type for non-explicit default constructor.
2585         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2586         Likewise.
2587         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2588         Likewise.
2589         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2590         Likewise.
2591         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2592         Likewise.
2593         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2594         Likewise.
2595         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2596         Likewise.
2597         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2598         Likewise.
2599         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2600         Likewise.
2601         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2602         Likewise.
2603         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2604         Likewise.
2605         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2606         Likewise.
2607         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2608         Likewise.
2609         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2610         Likewise.
2611         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2612         Likewise.
2613         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2614         Likewise.
2615         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2616         Likewise.
2617         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2618         Likewise.
2619         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2620         Likewise.
2621         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2622         Likewise.
2623         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2624         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2625         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2626         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2627         Likewise.
2628         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2629         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2630         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2631         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2632         Likewise.
2633         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2634         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2635         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2636         Likewise.
2637         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2638         Likewise.
2639         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2640         Likewise.
2641         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2642         Likewise.
2643
2644 2018-06-14  Daniel Trebbien <dtrebbien@gmail.com>
2645             Jonathan Wakely  <jwakely@redhat.com>
2646
2647         PR libstdc++/83982
2648         * include/bits/vector.tcc (vector::_M_default_append(size_type)):
2649         Default-construct new elements before moving existing ones.
2650         * testsuite/23_containers/vector/capacity/resize/strong_guarantee.cc:
2651         New.
2652
2653 2018-06-13  Jonathan Wakely  <jwakely@redhat.com>
2654
2655         PR libstdc++/86127
2656         * include/bits/forward_list.h (_Fwd_list_base::_Tp_alloc_type): Remove
2657         unused typedef.
2658         (_Fwd_list_base::_M_create_node, _Fwd_list_base::_M_erase_after):
2659         Use node allocator to create and destroy elements.
2660         (forward_list::_Tp_alloc_type): Remove unused typedef.
2661         (forward_list::_Alloc_traits): Use allocator_traits instead of
2662         __gnu_cxx::__alloc_traits.
2663
2664 2018-06-13  François Dumont  <fdumont@gcc.gnu.org>
2665
2666         * include/debug/helper_functions.h
2667         (__gnu_debug::_Safe_iterator<>): Add declaration.
2668         (__can_advance(_Ite, _Size)): New.
2669         (__can_advance(const _Safe_iterator<>&, _Size)): Overload declaration.
2670         * include/debug/functions.h
2671         (__gnu_debug::_Safe_iterator<>): Remove declaration.
2672         * include/debug/stl_iterator.h
2673         (__can_advance(const _Safe_iterator<>&)): New definition.
2674         * include/debug/stl_iterator.h
2675         (__can_advance(const std::reverse_iterator<>&, _Size)): New.
2676         (__can_advance(const std::move_iterator<>&, _Size)): New.
2677         * include/debug/macros.h (__glibcxx_check_can_increment): New.
2678         * include/debug/debug.h (__glibcxx_requires_can_increment): New.
2679         * include/bits/stl_algobase.h (fill_n): Use latter.
2680         * testsuite/25_algorithms/fill_n/2.cc: New.
2681         * testsuite/25_algorithms/fill_n/debug/1_neg.cc: New.
2682         * testsuite/25_algorithms/fill_n/debug/2_neg.cc: New.
2683         * testsuite/25_algorithms/fill_n/debug/3_neg.cc: New.
2684         * testsuite/25_algorithms/fill_n/debug/4_neg.cc: New.
2685
2686         * include/debug/debug.h (__glibcxx_requires_can_increment_range): New.
2687         (__glibcxx_requires_can_decrement_range): New.
2688
2689 2018-06-12  François Dumont  <fdumont@gcc.gnu.org>
2690
2691         * include/debug/macros.h (__glibcxx_check_can_increment_range): New.
2692         (__glibcxx_check_can_decrement_range): New.
2693         * include/bits/stl_algobase.h (std::copy(_II, _II, _OI)): Use
2694         __glibcxx_requires_can_increment_range.
2695         (std::move(_II, _II, _OI)): Likewise.
2696         (std::copy_backward(_BI, _BI, _BI2)): Use
2697         __glibcxx_requires_can_decrement_range.
2698         (std::move_backward(_BI, _BI, _BI2)): Likewise.
2699         * testsuite/25_algorithms/copy_backward/debug/1_neg.cc: New.
2700         * testsuite/25_algorithms/copy_backward/debug/2_neg.cc: New.
2701         * testsuite/25_algorithms/copy_backward/debug/3_neg.cc: New.
2702         * testsuite/25_algorithms/equal/debug/1_neg.cc: New.
2703         * testsuite/25_algorithms/equal/debug/2_neg.cc: New.
2704         * testsuite/25_algorithms/equal/debug/3_neg.cc: New.
2705
2706 2018-06-12  Jonathan Wakely  <jwakely@redhat.com>
2707
2708         P0935R0 Eradicating unnecessarily explicit default constructors
2709         * include/bits/random.h (linear_congruential_engine)
2710         (mersenne_twister_engine, subtract_with_carry_engine, random_device)
2711         (uniform_real_distribution, normal_distribution)
2712         (lognormal_distribution, gamma_distribution, chi_squared_distribution)
2713         (cauchy_distribution, fisher_f_distribution, student_t_distribution)
2714         (bernoulli_distribution, binomial_distribution,geometric_distribution)
2715         (negative_binomial_distribution, exponential_distribution)
2716         (weibull_distribution, extreme_value_distribution): Add non-explicit
2717         default constructors. Remove default argument for first parameter of
2718         explicit constructors.
2719         (piecewise_constant_distribution, piecewise_linear_distribution):
2720         Make default constructor non-explicit.
2721         * include/bits/uniform_int_dist.h (uniform_int_distribution): Add
2722         non-explicit default constructors. Remove default argument for first
2723         parameter of explicit constructor.
2724         * include/ext/random
2725         (simd_fast_mersenne_twister_engine, beta_distribution)
2726         (rice_distribution, nakagami_distribution, pareto_distribution)
2727         (k_distribution, arcsine_distribution, hoyt_distribution)
2728         (triangular_distribution, von_mises_distribution)
2729         (hypergeometric_distribution, logistic_distribution)
2730         (uniform_inside_sphere_distribution): Likewise.
2731         (uniform_on_sphere_distribution): Make default constructor
2732         non-explicit.
2733         * testsuite/26_numerics/random/bernoulli_distribution/cons/default.cc:
2734         Test for non-explicit default constructor. Fix references to standard.
2735         * testsuite/26_numerics/random/binomial_distribution/cons/default.cc:
2736         Likewise.
2737         * testsuite/26_numerics/random/cauchy_distribution/cons/default.cc:
2738         Likewise.
2739         * testsuite/26_numerics/random/chi_squared_distribution/cons/default.cc:
2740         Likewise.
2741         * testsuite/26_numerics/random/discrete_distribution/cons/default.cc:
2742         Likewise.
2743         * testsuite/26_numerics/random/exponential_distribution/cons/default.cc:
2744         Likewise.
2745         * testsuite/26_numerics/random/extreme_value_distribution/cons/default.cc:
2746         Likewise.
2747         * testsuite/26_numerics/random/fisher_f_distribution/cons/default.cc:
2748         Likewise.
2749         * testsuite/26_numerics/random/gamma_distribution/cons/default.cc:
2750         Likewise.
2751         * testsuite/26_numerics/random/geometric_distribution/cons/default.cc:
2752         Likewise.
2753         * testsuite/26_numerics/random/lognormal_distribution/cons/default.cc:
2754         Likewise.
2755         * testsuite/26_numerics/random/negative_binomial_distribution/cons/default.cc:
2756         Likewise.
2757         * testsuite/26_numerics/random/normal_distribution/cons/default.cc:
2758         Likewise.
2759         * testsuite/26_numerics/random/piecewise_constant_distribution/cons/default.cc:
2760         Likewise.
2761         * testsuite/26_numerics/random/piecewise_linear_distribution/cons/default.cc:
2762         Likewise.
2763         * testsuite/26_numerics/random/poisson_distribution/cons/default.cc:
2764         Likewise.
2765         * testsuite/26_numerics/random/student_t_distribution/cons/default.cc:
2766         Likewise.
2767         * testsuite/26_numerics/random/uniform_int_distribution/cons/default.cc:
2768         Likewise.
2769         * testsuite/26_numerics/random/uniform_real_distribution/cons/default.cc:
2770         Likewise.
2771         * testsuite/26_numerics/random/weibull_distribution/cons/default.cc:
2772         Likewise.
2773         * testsuite/ext/random/arcsine_distribution/cons/default.cc: Likewise.
2774         * testsuite/ext/random/beta_distribution/cons/default.cc: Likewise.
2775         * testsuite/ext/random/hoyt_distribution/cons/default.cc: Likewise.
2776         * testsuite/ext/random/hypergeometric_distribution/cons/default.cc:
2777         Likewise.
2778         * testsuite/ext/random/k_distribution/cons/default.cc: Likewise.
2779         * testsuite/ext/random/logistic_distribution/cons/default.cc: Likewise.
2780         * testsuite/ext/random/nakagami_distribution/cons/default.cc: Likewise.
2781         * testsuite/ext/random/normal_mv_distribution/cons/default.cc:
2782         Likewise.
2783         * testsuite/ext/random/pareto_distribution/cons/default.cc: Likewise.
2784         * testsuite/ext/random/rice_distribution/cons/default.cc: Likewise.
2785         * testsuite/ext/random/triangular_distribution/cons/default.cc:
2786         Likewise.
2787         * testsuite/ext/random/uniform_inside_sphere_distribution/cons/default.cc:
2788         Likewise.
2789         * testsuite/ext/random/uniform_on_sphere_distribution/cons/default.cc:
2790         Likewise.
2791         * testsuite/ext/random/von_mises_distribution/cons/default.cc:
2792         Likewise.
2793         * testsuite/util/testsuite_common_types.h
2794         (implicitly_default_constructible): New helper.
2795
2796 2018-06-08  Jonathan Wakely  <jwakely@redhat.com>
2797
2798         * include/bits/ios_base.h (ios::Init::Init(const Init&))
2799         (ios::Init::operator=): Define as defaulted.
2800         * include/bits/stl_bvector.h (_Bit_reference(const _Bit_reference&)):
2801         Likewise.
2802         * include/bits/stream_iterator.h (istream_iterator::operator=)
2803         (ostream_iterator::operator=): Likewise.
2804         * include/bits/streambuf_iterator.h (istreambuf_iterator::operator=)
2805         Likewise.
2806         * include/std/bitset (bitset::reference::reference(const reference&)):
2807         Likewise.
2808         * include/std/complex (complex<float>::complex(const complex&))
2809         (complex<double>::complex(const complex&))
2810         (complex<long double>::complex(const complex&)): Likewise.
2811
2812 2018-06-07  Jonathan Wakely  <jwakely@redhat.com>
2813
2814         * include/bits/regex.h (sub_match): Add noexcept to default
2815         constructor and length observer.
2816         (match_results): Add noexcept to default constructor and observers
2817         with no preconditions. Define destructor as defaulted.
2818         (operator==, operator!=, swap): Add noexcept.
2819         (regex_iterator): Add default member initializers and define default
2820         constructor and destructor as defaulted. Add noexcept to equality
2821         and dereference operators.
2822
2823 2018-06-07  François Dumont  <fdumont@gcc.gnu.org>
2824
2825         * src/c++11/debug.cc
2826         (_Safe_iterator_base::_M_detach()): Reset state only if needed.
2827         (_Safe_iterator_base::_M_detach_single()): Likewise.
2828         (_Safe_local_iterator_base::_M_detach()): Reset state only if needed.
2829         (_Safe_local_iterator_base::_M_detach_single()): Likewise.
2830
2831 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2832
2833         * include/bits/shared_ptr_base.h (__shared_count): Remove redundant
2834         move of const value.
2835
2836 2018-06-06  Jakub Jelinek  <jakub@redhat.com>
2837
2838         PR c++/86068
2839         * include/bits/c++config: Check __cpp_transactional_memory >= 201500L
2840         rather than __cpp_transactional_memory >= 201505L.
2841
2842 2018-06-06  Jonathan Wakely  <jwakely@redhat.com>
2843
2844         PR libstdc++/86008
2845         * include/bits/quoted_string.h (_Quoted_string<basic_string_view, C>):
2846         Define new partial specialization.
2847         * include/std/iomanip (quoted(basic_string_view<C,T>, C, C)): Define
2848         new overload.
2849         (operator<<(basic_ostream<C,T>&, const _Quoted_string<S,C>&)): Use
2850         value not reference for iteration.
2851         * testsuite/27_io/manipulators/standard/char/quoted.cc: Adjust
2852         comment.
2853         * testsuite/27_io/manipulators/standard/char/quoted_sv.cc: New test.
2854         * testsuite/27_io/manipulators/standard/wchar_t/quoted.cc: Adjust
2855         comment.
2856
2857 2018-06-05  Jonathan Wakely  <jwakely@redhat.com>
2858
2859         * include/std/type_traits: Fix comment typos.
2860
2861         * testsuite/27_io/filesystem/operations/read_symlink.cc: XFAIL for
2862         mingw* targets.
2863         * testsuite/27_io/filesystem/operations/symlink_status.cc: Likewise.
2864         * testsuite/experimental/filesystem/operations/read_symlink.cc:
2865         Likewise.
2866
2867 2018-06-05  François Dumont  <fdumont@gcc.gnu.org>
2868
2869         * include/bits/stl_tempbuf.h
2870         (_Temporary_buffer(_FwdIte, _FwdIte)): Delete, replaced by...
2871         (_Temporary_buffer(_FwdIte, size_type)): ...this, new.
2872         * include/ext/memory (temporary_buffer<>(_FwdIte, _FwdIte)): Adapt.
2873         * include/bits/stl_algo.h (__stable_partition): Adapt.
2874         (__inplace_merge): Adapt.
2875         (__stable_sort): Adapt.
2876
2877 2018-06-04  Jonathan Wakely  <jwakely@redhat.com>
2878
2879         PR libstdc++/85930
2880         * include/bits/shared_ptr_base.h [!__cpp_rtti]: Include <typeinfo>
2881         unconditionally. Remove redundant declaration.
2882         [!__cpp_rtti] (_Sp_make_shared_tag::_S_ti): Fix location of
2883         alignment-specifier.
2884
2885         * include/bits/postypes.h (fpos): Define special members as defaulted.
2886
2887         PR libstdc++/85930
2888         * include/bits/shared_ptr_base.h (_Sp_make_shared_tag::_S_ti): Align
2889         the static variable correctly.
2890
2891 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
2892
2893         PR libstdc++/78870 support std::filesystem on Windows
2894         * config.h.in: Regenerate.
2895         * configure: Regenerate.
2896         * configure.ac: Check for link, readlink and symlink.
2897         * include/bits/fs_path.h (path::operator/=(const path&)): Move
2898         definition out of class body.
2899         (path::is_absolute(), path::_M_append(path)): Likewise.
2900         (operator<<(basic_ostream, const path&)): Use std::quoted directly.
2901         (operator>>(basic_istream, path&)): Likewise.
2902         (u8path): Reorder definitions and fix Windows implementation.
2903         (path::is_absolute()): Define inline and fix for Windows.
2904         [!_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2905         Define POSIX version inline.
2906         (path::_M_append(path)): Define inline.
2907         * include/experimental/bits/fs_path.h (path::is_absolute()): Move
2908         definition out of class body.
2909         (operator<<(basic_ostream, const path&)): Fix type of delimiter and
2910         escape characters.
2911         (operator>>(basic_istream, path&)): Likewise.
2912         (path::is_absolute()): Define inline and fix for Windows.
2913         * src/filesystem/dir-common.h (__gnu_posix): New namespace.
2914         (__gnu_posix::char_type, __gnu_posix::DIR, __gnu_posix::dirent)
2915         (__gnu_posix::opendir, __gnu_posix::readdir, __gnu_posix::closedir):
2916         Define as adaptors for Windows functions/types or as
2917         using-declarations for POSIX functions/types.
2918         (_Dir_base, get_file_type): Qualify names to use declarations from
2919         __gnu_posix namespace.
2920         (_Dir_base::is_dor_or_dotdot): New helper functions.
2921         * src/filesystem/dir.cc (_Dir, recursive_directory_iterator): Qualify
2922         names to use declarations from __gnu_posix namespace.
2923         * src/filesystem/ops-common.h (__gnu_posix): New nested namespace.
2924         (__gnu_posix::open, __gnu_posix::close, __gnu_posix::stat_type)
2925         (__gnu_posix::stat, __gnu_posix::lstat, __gnu_posix::mode_t)
2926         (__gnu_posix::chmod, __gnu_posix::mkdir, __gnu_posix::getcwd)
2927         (__gnu_posix::chdir, __gnu_posix::utimbuf, __gnu_posix::utime)
2928         (__gnu_posix::rename, __gnu_posix::truncate, __gnu_posix::char_type):
2929         Define as adaptors for Windows functions/types or as
2930         using-declarations for POSIX functions/types.
2931         (stat_type, do_copy_file): Qualify names to use declarations from
2932         __gnu_posix namespace.
2933         (do_space): Declare new function.
2934         (make_file_type): Only use S_ISLNK if defined.
2935         * src/filesystem/ops.cc (char_ptr, filesystem::canonical): Use
2936         path::value_type not char.
2937         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2938         names to use declarations from __gnu_posix namespace.
2939         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2940         add implementation for Windows.
2941         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2942         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2943         [!_PC_PATH_MAX]: Don't use pathconf.
2944         [PATH_MAX]: Use if defined.
2945         (filesystem::current_path(const path&, error_code&))
2946         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2947         (filesystem::last_write_time, filesystem::permissions): Use names
2948         from __gnu_posix.
2949         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2950         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2951         implementation for Windows.
2952         (filesystem::rename, filesystem::resize_file): Use names from
2953         __gnu_posix.
2954         (filesystem::space): Use do_space.
2955         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Get absolute path to directory.
2956         (filesystem::status, filesystem::symlink_status): Use names from
2957         __gnu_posix.
2958         (filesystem::temp_directory_path): Add implementation for Windows.
2959         * src/filesystem/path.cc (dot): Define constant.
2960         (path::replace_extension): Use dot.
2961         (path::_M_find_extension): Likewise. Use path::string_type not
2962         std::string.
2963         (path::_M_split_cmpts): Use dot.
2964         (filesystem_error::_M_get_what): Use u8string() not native().
2965         * src/filesystem/std-dir.cc (_Dir, recursive_directory_iterator):
2966         Qualify names to use declarations from __gnu_posix namespace.
2967         * src/filesystem/std-ops.cc (filesystem::absolute(const path&)): Use
2968         correct error_code.
2969         (filesystem::absolute(const path&, error_code&)): Add implementation
2970         for Windows.
2971         (char_ptr, filesystem::canonical): Use path::value_type not char.
2972         (do_copy_file): Use names from __gnu_posix.
2973         [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Do not use fchmod, fchmodat or
2974         sendfile.
2975         (filesystem::copy, create_dir, filesystem::create_directory): Qualify
2976         names to use declarations from __gnu_posix namespace.
2977         (filesystem::create_hard_link): Check HAVE_LINK autoconf macro and
2978         add implementation for Windows.
2979         (filesystem::create_symlink): Check HAVE_SYMLINK autoconf macro.
2980         (filesystem::current_path(error_code&)): Use __gnu_posix::getcwd.
2981         [!_PC_PATH_MAX]: Don't use pathconf.
2982         [PATH_MAX]: Use if defined.
2983         (filesystem::current_path(const path&, error_code&))
2984         (filesystem::equivalent, do_stat, filesystem::hard_link_count)
2985         (filesystem::last_write_time, filesystem::permissions): Use names
2986         from __gnu_posix.
2987         (filesystem::read_symlink): Check HAVE_READLINK autoconf macro.
2988         (filesystem::remove) [_GLIBCXX_FILESYSTEM_IS_WINDOWS]: Add
2989         implementation for Windows.
2990         (filesystem::rename, filesystem::resize_file): Use names from
2991         __gnu_posix.
2992         (do_space): Define.
2993         (filesystem::space): Use do_space.
2994         (filesystem::status, filesystem::symlink_status): Use names from
2995         __gnu_posix.
2996         (filesystem::temp_directory_path): Add implementation for Windows.
2997         * src/filesystem/std-path.cc
2998         [_GLIBCXX_FILESYSTEM_IS_WINDOWS] (path::operator/=(const path&)):
2999         Define for Windows.
3000         (dot): Define constant.
3001         (path::replace_extension, is_dot): Use dot.
3002         (path::lexically_normal): Check _M_type instead of calling
3003         non-existent function.
3004         (path::_M_find_extension): Use dot. Use path::string_type not
3005         std::string.
3006         (path::_M_split_cmpts): Use dot.
3007         (filesystem_error::_M_get_what): Use u8string() not native().
3008         * testsuite/27_io/filesystem/iterators/directory_iterator.cc: Do not
3009         use symlinks.
3010         * testsuite/27_io/filesystem/iterators/recursive_directory_iterator.cc:
3011         Likewise.
3012         * testsuite/27_io/filesystem/operations/absolute.cc: Use
3013         __gnu_test::root_path() instead of "/" and add Windows-specific tests.
3014         * testsuite/27_io/filesystem/operations/canonical.cc: Use
3015         path::string() to get narrow string, not path::native().
3016         * testsuite/27_io/filesystem/operations/copy.cc: Construct fstreams
3017         with std::filesystem::path not std::basic_string.
3018         * testsuite/27_io/filesystem/operations/copy_file.cc: Likewise.
3019         * testsuite/27_io/filesystem/operations/exists.cc: Use
3020         __gnu_test::root_path() instead of "/".
3021         * testsuite/27_io/filesystem/operations/is_empty.cc: Construct
3022         fstreams with std::filesystem::path not std::basic_string.
3023         * testsuite/27_io/filesystem/operations/last_write_time.cc: Use
3024         path::string() to get narrow string.
3025         * testsuite/27_io/filesystem/operations/space.cc: Check results for
3026         errors, expect sensible values otherwise.
3027         * testsuite/27_io/filesystem/operations/temp_directory_path.cc: Add
3028         helpers for adjusting the environment on Windows.
3029         * testsuite/27_io/filesystem/path/append/path.cc: Test
3030         Windows-specific behaviour.
3031         * testsuite/27_io/filesystem/path/construct/format.cc: Fix creation
3032         of path::string_type objects.
3033         * testsuite/27_io/filesystem/path/construct/locale.cc: Compare native
3034         string to wide string on Windows.
3035         * testsuite/27_io/filesystem/path/decompose/root_directory.cc: Allow
3036         for backslash as root-directory.
3037         * testsuite/27_io/filesystem/path/decompose/stem.cc: Use
3038         path::string() to get narrow string.
3039         * testsuite/27_io/filesystem/path/itr/traversal.cc: Test Windows-style
3040         paths.
3041         * testsuite/27_io/filesystem/path/native/string.cc: Use string_type
3042         not std::string.
3043         * testsuite/27_io/filesystem/path/query/is_absolute.cc: Adjust for
3044         different definintion of absolute paths on Windows.
3045         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3046         Do not use symlinks.
3047         * testsuite/experimental/filesystem/operations/absolute.cc: Test
3048         Windows behaviour.
3049         * testsuite/experimental/filesystem/operations/copy.cc: Construct
3050         fstreams with NTCTS not std::basic_string.
3051         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3052         * testsuite/experimental/filesystem/operations/exists.cc: Use
3053         __gnu_test::root_path() instead of "/".
3054         * testsuite/experimental/filesystem/operations/is_empty.cc: Construct
3055         fstreams with NTCTS not std::basic_string.
3056         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3057         Use path::string() to get narrow string.
3058         * testsuite/experimental/filesystem/operations/space.cc: Use
3059         __gnu_test::root_path() instead of "/".
3060         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3061         Add helpers for adjusting the environment on Windows.
3062         * testsuite/experimental/filesystem/path/append/path.cc: Use
3063         path::string() to get narrow strings for comparisons.
3064         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3065         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3066         Likewise.
3067         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3068         * testsuite/experimental/filesystem/path/native/string.cc: Use
3069         string_type not std::string.
3070         * testsuite/experimental/filesystem/path/query/is_absolute.cc:
3071         Adjust for different definintion of absolute paths on Windows.
3072         * testsuite/util/testsuite_fs.h (__gnu_test::root_path()): New
3073         function.
3074         (__gnu_test::scoped_file): Construct fstreams with NTCTS not
3075         std::basic_string.
3076
3077 2018-05-31  Jonathan Wakely  <jwakely@redhat.com>
3078
3079         PR libstdc++/85951
3080         * include/std/type_traits [_GLIBCXX_USE_C99_STDINT_TR1]: Do not define
3081         uint_least16_t and uint_least32_t.
3082         (__make_unsigned<wchar_t>): Define unconditionally.
3083         (__make_unsigned_selector<_Tp, true, false>): Remove intermediate
3084         typedefs.
3085         (__make_unsigned_selector_base): New type to provide helper templates.
3086         (__make_unsigned_selector<_Tp, false, true>): Reimplement using
3087         __make_unsigned_selector_base helpers.
3088         (__make_unsigned<char16_t>, __make_unsigned<char32_t>): Define.
3089         (__make_signed_selector<_Tp, true, false>): Remove intermediate
3090         typedefs.
3091         (__make_signed<wchar_t>, __make_signed<char16_t>)
3092         (__make_signed<char32_t>)): Define unconditionally.
3093         * testsuite/20_util/make_signed/requirements/typedefs-3.cc: Check
3094         wchar_t, char16_t and char32_t are transformed correctly.
3095         * testsuite/20_util/make_signed/requirements/typedefs_neg.cc: Adjust
3096         dg-error lineno.
3097         * testsuite/20_util/make_unsigned/requirements/typedefs-3.cc: Check
3098         wchar_t, char16_t and char32_t are transformed correctly.
3099         * testsuite/20_util/make_unsigned/requirements/typedefs_neg.cc: Adjust
3100         dg-error lineno.
3101
3102 2018-05-29  Jonathan Wakely  <jwakely@redhat.com>
3103
3104         * include/std/variant (__erased_dtor): Qualify call to __get.
3105
3106 2018-05-27  François Dumont  <fdumont@gcc.gnu.org>
3107
3108         * include/bits/stl_tree.h (_Rb_tree_impl(_Node_allocator&&)): New.
3109         (_Rb_tree(const allocator_type&)): Use latter.
3110         * include/bits/stl_map.h (map(const allocator_type&)): Likewise.
3111         (map(initializer_list<value_type>, const allocator_type&)): Likewise.
3112         (map(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3113         * include/bits/stl_multimap.h
3114         (multimap(const allocator_type&)): Likewise.
3115         (multimap(initializer_list<value_type>, const allocator_type&)):
3116         Likewise.
3117         (multimap(_InputIterator, _InputIterator, const allocator_type&)):
3118         Likewise.
3119         * include/bits/stl_set.h (set(const allocator_type&)): Likewise.
3120         (set(initializer_list<value_type>, const allocator_type&)): Likewise.
3121         (set(_InputIterator, _InputIterator, const allocator_type&)): Likewise.
3122         * include/bits/stl_multiset.h
3123         (multiset(const allocator_type&)): Likewise.
3124         (multiset(initializer_list<value_type>, const allocator_type&)):
3125         Likewise.
3126         (multiset(_InputIterator, _InputIterator, const allocator_type&)):
3127         Likewise.
3128
3129 2018-05-25  François Dumont  <fdumont@gcc.gnu.org>
3130
3131         PR libstdc++/85768
3132         * src/c++11/debug.cc: Remove backtrace usage.
3133
3134 2018-05-24  Maya Rashish  <coypu@sdf.org>
3135
3136         PR target/85904
3137         * crossconfig.m4: Test for aligned_alloc on netbsd.
3138         * configure: Regenerate.
3139
3140 2018-05-24  Jonathan Wakely  <jwakely@redhat.com>
3141
3142         PR libstdc++/69769
3143         PR libstdc++/85886
3144         * include/bits/atomic_base.h (__atomic_base::value_type)
3145         (__atomic_base::difference_type): Add new typedefs.
3146         * include/std/atomic (atomic<bool>::value_type, atomic<T>::value_type)
3147         (atomic<T*>::value_type, atomic<T*>::difference_type): Likewise.
3148         (atomic<T*>::operator++, atomic<T*>::operator--)
3149         (atomic<T*>::operator+=, atomic<T*>::operator-=)
3150         (atomic<T*>::fetch_add, atomic<T*>::fetch_sub): Add static assertion
3151         to enforce C++17 requirement on pointer arithmetic.
3152         (__atomic_val_t, __atomic_diff_t): New alias templates.
3153         (atomic_init, atomic_store_explicit, atomic_exchange_explicit)
3154         (atomic_compare_exchange_weak_explicit)
3155         (atomic_compare_exchange_strong_explicit, atomic_store)
3156         (atomic_exchange, atomic_compare_exchange_weak)
3157         (atomic_compare_exchange_strong): Use __atomic_val_t to make
3158         scalar parameters be non-deduced contexts.
3159         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3160         (atomic_fetch_add, atomic_fetch_sub): Change first parameter to be
3161         atomic instead of __atomic_base, and use __atomic_diff_t for scalar
3162         parameters.
3163         (atomic_fetch_and_explicit, atomic_fetch_or_explicit)
3164         (atomic_fetch_xor_explicit, atomic_fetch_and, atomic_fetch_or)
3165         (atomic_fetch_xor): Use __atomic_val_t for scalar parameters.
3166         (atomic_fetch_add_explicit, atomic_fetch_sub_explicit)
3167         (atomic_fetch_add, atomic_fetch_sub): Remove overloads for atomic
3168         address types.
3169         * testsuite/29_atomics/atomic/60695.cc: Adjust dg-error lineno.
3170         * testsuite/29_atomics/atomic/69769.cc: New test.
3171         * testsuite/29_atomics/atomic/nonmembers.cc: New test.
3172         * testsuite/29_atomics/atomic/operators/pointer_partial_void.cc:
3173         Disable test for C++17 and later.
3174         * testsuite/29_atomics/atomic/requirements/typedefs.cc: New test.
3175         * testsuite/29_atomics/atomic_integral/nonmembers.cc: New test.
3176         * testsuite/29_atomics/atomic_integral/requirements/typedefs.cc: New
3177         test.
3178
3179 2018-05-23  Jonathan Wakely  <jwakely@redhat.com>
3180
3181         * include/bits/fs_path.h (path::__is_encoded_char): Change from class
3182         template to alias template.
3183         (path::__value_type_is_char): Use remove_const_t.
3184         (path:_S_string_from_iter): New helper function.
3185         (path::_S_convert(InputIter, __null_terminated))
3186         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3187         Use _S_string_from_iter.
3188         (path::string<_CharT, _Allocator>(const _Allocator&)): Allow sharing
3189         rep for COW strings.
3190         * include/experimental/bits/fs_path.h (path::__is_encoded_char):
3191         Change from class template to alias template.
3192         (path::__value_type_is_char): Use remove_const.
3193         (path:_S_string_from_iter): New helper function.
3194         (path::_S_convert(InputIter, __null_terminated))
3195         (path::_S_convert_loc(InputIter, __null_terminated, const locale&)):
3196         Use _S_string_from_iter.
3197         * testsuite/27_io/filesystem/path/append/source.cc: Test appending
3198         wide strings.
3199         * testsuite/27_io/filesystem/path/concat/strings.cc: Check for exact
3200         string equality, not path equivalence.
3201         * testsuite/27_io/filesystem/path/construct/format.cc: Check
3202         construction from std::string and std::wstring and input iterators.
3203         * testsuite/27_io/filesystem/path/construct/locale.cc: Check
3204         construction from iterators.
3205         * testsuite/experimental/filesystem/path/concat/strings.cc: Check for
3206         exact string equality, not path equivalence.
3207         * testsuite/experimental/filesystem/path/construct/locale.cc: Check
3208         construction from iterators.
3209
3210         * include/bits/fs_path.h (path::_M_type): Change default member
3211         initializer to _Filename.
3212         (path::begin): Create past-the-end iterator for empty path.
3213         * src/filesystem/std-path.cc (path::remove_filename()): Remove
3214         debugging check.
3215         (path::has_relative_path()): Return false for empty filenames.
3216         (path::_M_split_cmpts): Set _M_type to _Filename for empty paths.
3217         Fix offset of empty final component.
3218         * testsuite/27_io/filesystem/path/itr/components.cc: New.
3219         * testsuite/27_io/filesystem/path/itr/traversal.cc: Add new inputs.
3220
3221 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3222
3223         Add support for opening file streams from wide character strings.
3224         * config/io/basic_file_stdio.cc [_GLIBCXX_HAVE__WFOPEN]
3225         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3226         Define new overload.
3227         * config/io/basic_file_stdio.h [_GLIBCXX_HAVE__WFOPEN]
3228         (__basic_file<char>::open(const wchar_t*, ios_base::openmode)):
3229         Declare new overload.
3230         * configure.ac: Check for _wfopen.
3231         * crossconfig.m4: Likewise.
3232         * configure: Regenerate.
3233         * config.h.in: Regenerate.
3234         * include/bits/fstream.tcc [_GLIBCXX_HAVE__WFOPEN]
3235         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3236         Define new overload.
3237         * include/std/fstream [_GLIBCXX_HAVE__WFOPEN]
3238         (basic_filebuf<C,T>::open(const wchar_t*, ios_base::openmode)):
3239         Declare new overload.
3240         [_GLIBCXX_HAVE__WFOPEN]
3241         (basic_ifstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3242         (basic_ifstream<C,T>::basic_open(const wchar_t*, openmode))
3243         (basic_ofstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3244         (basic_ofstream<C,T>::basic_open(const wchar_t*, openmode))
3245         (basic_fstream<C,T>::basic_ifstream(const wchar_t*, openmode))
3246         (basic_fstream<C,T>::basic_open(const wchar_t*, openmode)): Define
3247         new overloads.
3248         * testsuite/27_io/basic_filebuf/open/wchar_t/1.cc: New.
3249         * testsuite/27_io/basic_ifstream/cons/wchar_t/1.cc: New.
3250         * testsuite/27_io/basic_ifstream/open/wchar_t/1.cc: New.
3251         * testsuite/27_io/basic_ofstream/cons/wchar_t/1.cc: New.
3252         * testsuite/27_io/basic_ofstream/open/wchar_t/1.cc: New.
3253         * testsuite/27_io/basic_fstream/cons/wchar_t/1.cc: New.
3254         * testsuite/27_io/basic_fstream/open/wchar_t/1.cc: New.
3255
3256 2018-05-21  François Dumont  <fdumont@gcc.gnu.org>
3257
3258         PR libstdc++/85845
3259         * include/bits/stl_tree.h
3260         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): Fix noexcept
3261         qualification.
3262
3263 2018-05-21  Jonathan Wakely  <jwakely@redhat.com>
3264
3265         * src/filesystem/std-ops.cc (absolute): Report an error for empty
3266         paths.
3267         (weakly_canonical(const path&)): Do not call canonical on empty path.
3268         (weakly_canonical(const path&, error_code&)): Likewise.
3269         * testsuite/27_io/filesystem/operations/absolute.cc: Check for errors.
3270
3271         PR libstdc++/85818
3272         * testsuite/experimental/filesystem/path/preferred_separator.cc: Add
3273         dg-require-filesystem-ts.
3274
3275         PR libstdc++/85843
3276         * src/c++11/cow-stdexcept.cc (logic_error, runtime_error): Explicitly
3277         initialize base class to avoid warnings.
3278
3279 2018-05-19  Jonathan Wakely  <jwakely@redhat.com>
3280
3281         * src/c++11/codecvt.cc (__codecvt_utf8_base<wchar_t>::do_in)
3282         [__SIZEOF_WCHAR_T__==2 && __BYTE_ORDER__!=__ORDER_BIG_ENDIAN__]: Set
3283         little_endian element in bitmask.
3284         * testsuite/22_locale/codecvt/codecvt_utf8/69703.cc: Run all tests.
3285         * testsuite/22_locale/codecvt/codecvt_utf8/wchar_t/1.cc: New.
3286
3287 2018-05-18  François Dumont  <fdumont@gcc.gnu.org>
3288
3289         * include/bits/stl_tree.h
3290         (_Rb_tree_impl(_Rb_tree_impl&&, _Node_allocator&&)): New.
3291         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, true_type)): New, use latter.
3292         (_Rb_tree(_Rb_tree&&, _Node_allocator&&, false_type)): New.
3293         (_Rb_tree(_Rb_tree&&, _Node_allocator&&)): Adapt, use latters.
3294         * include/debug/map.h
3295         (map(map&&, const_allocator_type&)): Add noexcept qualitication.
3296         * include/debug/multimap.h
3297         (multimap(multimap&&, const_allocator_type&)): Likewise.
3298         * include/debug/set.h
3299         (set(set&&, const_allocator_type&)): Likewise.
3300         * include/debug/multiset.h
3301         (multiset(multiset&&, const_allocator_type&)): Likewise.
3302         * testsuite/23_containers/map/cons/noexcept_default_construct.cc:
3303         Add checks.
3304         * testsuite/23_containers/map/cons/noexcept_move_construct.cc:
3305         Add checks.
3306         * testsuite/23_containers/multimap/cons/noexcept_default_construct.cc:
3307         Add checks.
3308         * testsuite/23_containers/multimap/cons/noexcept_move_construct.cc:
3309         Add checks.
3310         * testsuite/23_containers/multiset/cons/noexcept_default_construct.cc:
3311         Add checks.
3312         * testsuite/23_containers/multiset/cons/noexcept_move_construct.cc:
3313         Add checks.
3314         * testsuite/23_containers/set/cons/noexcept_default_construct.cc:
3315         Add checks.
3316         * testsuite/23_containers/set/cons/noexcept_move_construct.cc:
3317         Add checks.
3318
3319 2018-05-18  Jason Merrill  <jason@redhat.com>
3320
3321         * include/bits/stl_deque.h (_Deque_iterator): Constrain constructor
3322         for conversion to const_iterator.  Add defaulted copy ops.
3323         * libsupc++/new (bad_alloc): Add defaulted copy ops.
3324         * libsupc++/exception.h (exception): Add defaulted copy ops.
3325         * include/std/system_error (system_error): Add defaulted copy ops.
3326         * include/std/stdexcept (domain_error, invalid_argument)
3327         (length_error, out_of_range, range_error, overflow_error)
3328         (underflow_error): Add defaulted copy ops.
3329         * include/bits/stl_iterator.h (reverse_iterator): Add defaulted
3330         copy assignment.
3331         * include/bits/allocator.h (allocator): Add defaulted copy assignment.
3332         * include/ext/throw_allocator.h (condition_base): Add defaulted
3333         default and copy ctor and copy assignment.
3334
3335 2018-05-18  Jonathan Wakely  <jwakely@redhat.com>
3336
3337         PR libstdc++/85098
3338         * include/bits/regex.h [__cplusplus < 201703L] (basic_regex::icase)
3339         (basic_regex::nosubs, basic_regex::optimize, basic_regex::collate)
3340         (basic_regex::ECMAScript, basic_regex::basic, basic_regex::extended)
3341         (basic_regex::awk, basic_regex::grep, basic_regex::egrep): Add
3342         definitions.
3343         * include/bits/regex_automaton.h (_NFA::_M_insert_state): Adjust
3344         whitespace.
3345         * include/bits/regex_compiler.tcc (__INSERT_REGEX_MATCHER): Add
3346         braces around body of do-while.
3347         * testsuite/28_regex/basic_regex/85098.cc: New
3348
3349 2018-05-17  Jonathan Wakely  <jwakely@redhat.com>
3350
3351         PR libstdc++/85818
3352         * src/filesystem/path.cc (path::preferred_separator): Add used
3353         attribute.
3354         * testsuite/experimental/filesystem/path/preferred_separator.cc: New.
3355
3356         PR libstdc++/85812
3357         * libsupc++/cxxabi_init_exception.h (__cxa_free_exception): Declare.
3358         * libsupc++/exception_ptr.h (make_exception_ptr) [__cpp_exceptions]:
3359         Refactor to separate non-throwing and throwing implementations.
3360         [__cpp_rtti && !_GLIBCXX_HAVE_CDTOR_CALLABI]: Deallocate the memory
3361         if constructing the object throws.
3362
3363 2018-05-15  Jonathan Wakely  <jwakely@redhat.com>
3364
3365         PR libstdc++/85749
3366         * include/bits/random.h (__detail::__is_seed_seq): New SFINAE helper.
3367         (linear_congruential_engine, mersenne_twister_engine)
3368         (subtract_with_carry_engine, discard_block_engine)
3369         (independent_bits_engine, shuffle_order_engine): Use __is_seed_seq to
3370         constrain function templates taking seed sequences.
3371         * include/bits/random.tcc (linear_congruential_engine::seed(_Sseq&))
3372         (mersenne_twister_engine::seed(_Sseq&))
3373         (subtract_with_carry_engine::seed(_Sseq&)): Change return types to
3374         match declarations.
3375         * include/ext/random (simd_fast_mersenne_twister_engine): Use
3376         __is_seed_seq to constrain function templates taking seed sequences.
3377         * include/ext/random.tcc (simd_fast_mersenne_twister_engine::seed):
3378         Change return type to match declaration.
3379         * testsuite/26_numerics/random/discard_block_engine/cons/seed_seq2.cc:
3380         New.
3381         * testsuite/26_numerics/random/independent_bits_engine/cons/
3382         seed_seq2.cc: New.
3383         * testsuite/26_numerics/random/linear_congruential_engine/cons/
3384         seed_seq2.cc: New.
3385         * testsuite/26_numerics/random/mersenne_twister_engine/cons/
3386         seed_seq2.cc: New.
3387         * testsuite/26_numerics/random/pr60037-neg.cc: Adjust dg-error lineno.
3388         * testsuite/26_numerics/random/shuffle_order_engine/cons/seed_seq2.cc:
3389         New.
3390         * testsuite/26_numerics/random/subtract_with_carry_engine/cons/
3391         seed_seq2.cc: New.
3392         * testsuite/ext/random/simd_fast_mersenne_twister_engine/cons/
3393         seed_seq2.cc: New.
3394
3395         PR libstdc++/83891
3396         * include/bits/fs_path.h (path::is_absolute()): Use same definition
3397         for all operating systems.
3398         * include/experimental/bits/fs_path.h (path::is_absolute()): Likewise.
3399         * testsuite/27_io/filesystem/path/query/is_absolute.cc: New.
3400         * testsuite/27_io/filesystem/path/query/is_relative.cc: Fix comment.
3401         * testsuite/experimental/filesystem/path/query/is_absolute.cc: New.
3402
3403         * testsuite/27_io/filesystem/path/decompose/extension.cc: Remove
3404         unused <vector> header.
3405         * testsuite/27_io/filesystem/path/query/empty.cc: Likewise.
3406         * testsuite/27_io/filesystem/path/query/has_extension.cc: Likewise.
3407         * testsuite/27_io/filesystem/path/query/has_filename.cc: Likewise.
3408         * testsuite/27_io/filesystem/path/query/has_parent_path.cc: Likewise.
3409         * testsuite/27_io/filesystem/path/query/has_relative_path.cc:
3410         Likewise.
3411         * testsuite/27_io/filesystem/path/query/has_root_directory.cc:
3412         Likewise.
3413         * testsuite/27_io/filesystem/path/query/has_root_name.cc: Likewise.
3414         * testsuite/27_io/filesystem/path/query/has_root_path.cc: Likewise.
3415         * testsuite/27_io/filesystem/path/query/has_stem.cc: Likewise.
3416         * testsuite/27_io/filesystem/path/query/is_relative.cc: Likewise.
3417         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3418         Likewise.
3419         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3420         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3421         Likewise.
3422         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3423         Likewise.
3424         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3425         Likewise.
3426         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3427         Likewise.
3428         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3429         Likewise.
3430         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3431         Likewise.
3432         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3433         Likewise.
3434         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3435         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3436         Likewise.
3437
3438         PR libstdc++/84159
3439         * include/bits/fs_path.h (path::operator/=, path::append): Construct
3440         temporary path before calling _M_append.
3441         (path::_M_append): Change parameter to path and implement C++17
3442         semantics.
3443         * testsuite/27_io/filesystem/path/append/path.cc: Add helper function
3444         and more examples from the standard.
3445         * testsuite/27_io/filesystem/path/append/source.cc: New.
3446         * testsuite/27_io/filesystem/path/decompose/filename.cc: Add comment.
3447         * testsuite/27_io/filesystem/path/nonmember/append.cc: New.
3448
3449         * include/std/variant (__gen_vtable_impl::__visit_invoke): Qualify
3450         __invoke to prevent ADL.
3451
3452 2018-05-14  Jonathan Wakely  <jwakely@redhat.com>
3453
3454         PR libstdc++/81256
3455         * include/bits/fstream.tcc (basic_filebuf::close): Do not swallow
3456         exceptions from _M_terminate_output().
3457         * include/std/fstream (basic_filebuf::~basic_filebuf): Swallow any
3458         exceptions from close().
3459         * testsuite/27_io/basic_filebuf/close/81256.cc: New.
3460
3461         * include/bits/valarray_array.h (__valarray_get_memory): Remove.
3462         (__valarray_get_storage): Call operator new directly. Remove ignored
3463         top-level restrict qualifier and add malloc attribute instead.
3464         (_Array<_Tp>::_Array(size_t)): Remove unused constructor.
3465
3466         PR libstdc++/67554
3467         * include/bits/valarray_array.h (_Array_copy_ctor<_Tp, true>)
3468         (_Array_copier<_Tp, true>): Do not pass null pointers to memcpy.
3469
3470         PR libstdc++/82966
3471         * include/bits/node_handle.h (_Node_handle_common::_M_swap): Use value
3472         instead of type.
3473         * testsuite/23_containers/set/modifiers/node_swap.cc: New.
3474
3475 2018-05-13  Ville Voutilainen  <ville.voutilainen@gmail.com>
3476
3477         PR libstdc++/80165
3478         * testsuite/20_util/variant/80165.cc: New.
3479
3480 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3481
3482         * doc/xml/faq.xml: Link to C++17 status. Add note to outdated answer.
3483         * doc/xml/manual/debug_mode.xml: Add array and forward_list to list
3484         of C++11 containers with Debug Mode support.
3485         * doc/xml/manual/using.xml: Document Dual ABI for ios_base::failure.
3486         * doc/html/*: Regenerate.
3487
3488 2018-05-10  Jason Merrill  <jason@redhat.com>
3489
3490         * include/bits/regex_compiler.h (_S_cache_size): Change from
3491         function to variable.
3492
3493 2018-05-10  Edward Smith-Rowland  <3dw4rd@verizon.net>
3494
3495         PR libstdc++/83140 - assoc_legendre returns negated value when m is odd
3496         * include/tr1/legendre_function.tcc (__assoc_legendre_p): Add __phase
3497         argument defaulted to +1.  Doxy comments on same.
3498         * testsuite/special_functions/02_assoc_legendre/
3499         check_value.cc: Regen.
3500         * testsuite/tr1/5_numerical_facilities/special_functions/
3501         02_assoc_legendre/check_value.cc: Regen.
3502
3503 2018-05-10  Jonathan Wakely  <jwakely@redhat.com>
3504
3505         PR libstdc++/85729
3506         * include/bits/c++config.h (__replacement_assert): Add linkage
3507         specification.
3508         * include/bits/std_abs.h: Add comment to closing brace of block.
3509         * include/c_global/cstddef: Add linkage specification.
3510         * include/c_global/cstring: Likewise.
3511         * include/c_global/cwchar: Likewise.
3512
3513 2018-05-09  François Dumont  <fdumont@gcc.gnu.org>
3514
3515         * include/debug/safe_iterator.h (_Safe_iterator<>::_M_constant()):
3516         Rename in...
3517         (_Safe_iterator<>::_S_constant()): ...that.
3518         * include/debug/safe_local_iterator.h
3519         (_Safe_local_iterator<>::_M_constant()): Rename in...
3520         (_Safe_local_iterator<>::_S_constant()): ...that.
3521         * include/debug/formatter.h: Remove bits/cpp_type_traits.h include.
3522         (_Iterator_state::__rbegin): New.
3523         (_Iterator_state::__rmiddle): New.
3524         (_Iterator_state::__rend): New.
3525         (_Parameter::_Parameter(const _Safe_iterator<>&, const char*,
3526         _Is_iterator)): Use _Safe_iterator<>::_S_constant. Grab normal underlying
3527         iterator type.
3528         (_Parameter::_Parameter(const _Safe_local_iterator<>&, const char*,
3529         _Is_iterator)): Likewise.
3530         (_Parameter::_S_reverse_state(_Iterator_state)): New.
3531         (_Parameter(__gnu_cxx::__normal_iterator<> const&, const char*,
3532         _Is_iterator)): New.
3533         (_Parameter(std::reverse_iterator<> const&, const char*,
3534         _Is_iterator)): New.
3535         (_Parameter(std::reverse_iterator<_Safe_iterator<>> const&,
3536         const char*, _Is_iterator)): New.
3537         (_Parameter(std::move_iterator<> const&, const char*, _Is_iterator):
3538         New.
3539         (_Parameter(std::move_iterator<_Safe_iterator<>> const&, const char*,
3540         _Is_iterator)): New.
3541         * testsuite/24_iterators/move_iterator/debug_neg.cc: New.
3542         * testsuite/24_iterators/normal_iterator/debug_neg.cc: New.
3543         * testsuite/24_iterators/reverse_iterator/debug_neg.cc: New.
3544
3545 2018-05-09  Jonathan Wakely  <jwakely@redhat.com>
3546
3547         * include/bits/std_function.h (_Base_manager::_M_get_pointer):
3548         Use constexpr if in C++17 mode.
3549         (_Base_manager::_M_clone(_Any_data&, const _Any_data&, true_type)):
3550         Copy from const object.
3551         * testsuite/20_util/function/cons/non_copyconstructible.cc: New.
3552
3553 2018-05-08  François Dumont  <fdumont@gcc.gnu.org>
3554
3555         * src/c++11/debug.cc [_GLIBCXX_HAVE_EXECINFO_H]: Include execinfo.h.
3556         [_GLIBCXX_HAVE_EXECINFO_H](_Error_formatter::_M_error): Render
3557         backtrace.
3558
3559         * include/debug/macros.h (__glibcxx_check_valid_range_at): New.
3560         * include/debug/functions.h (__check_valid_range): Use latter.
3561         * include/debug/macros.h (__glibcxx_check_valid_constructor_range): New,
3562         use latter.
3563         * include/debug/deque
3564         (deque::deque<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3565         * include/debug/forward_list
3566         (forward_list::forward_list<_Iter>(_Iter, _Iter, const _Alloc&)):
3567         Likewise.
3568         * include/debug/list
3569         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3570         * include/debug/list
3571         (list::list<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3572         * include/debug/map.h
3573         (map::map<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3574         (map::map<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3575         Likewise.
3576         * include/debug/multimap.h
3577         (multimap::multimap<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3578         (multimap::multimap<_Iter>(_Iter, _Iter, const _Compare&,
3579         const _Alloc&)): Likewise.
3580         * include/debug/set.h
3581         (set::set<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3582         (set::set<_Iter>(_Iter, _Iter, const _Compare&, const _Alloc&)):
3583         Likewise.
3584         * include/debug/multiset.h
3585         (multiset::multiset<_Iter>(_Iter, _Iter, const _Alloc&)): Likewise.
3586         (multiset::multiset<_Iter>(_Iter, _Iter, const _Compare&,
3587         const _Alloc&)): Likewise.
3588         * include/debug/string
3589         (basic_string::basic_string<_Iter>(_Iter, _Iter, const _Alloc&)):
3590         Likewise.
3591         * include/debug/unordered_map
3592         (unordered_map::unordered_map<_Iter>(_Iter, _Iter, const _Alloc&)):
3593         Likewise.
3594         (unordered_multimap::unordered_multimap<_Iter>(_Iter, _Iter,
3595         const _Alloc&)): Likewise.
3596         * include/debug/unordered_set
3597         (unordered_set::unordered_set<_Iter>(_Iter, _Iter, const _Alloc&)):
3598         Likewise.
3599         (unordered_multiset::unordered_multiset<_Iter>(_Iter, _Iter,
3600         const _Alloc&)): Likewise.
3601         * include/debug/vector
3602         (vector::vector<_Iter>(_Iter, _Iter, const _Alloc&)): Use latter.
3603
3604         * include/debug/formatter.h (_Error_formatter::_M_function): New.
3605         (_Error_formatter(const char*, unsigned int)): Adapt.
3606         (_Error_formatter::_M_at): Rename in...
3607         (_Error_formatter::_S_at): ...that and adapt.
3608         * include/debug/macros.h (_GLIBCXX_DEBUG_VERIFY_AT_F): New.
3609         (_GLIBCXX_DEBUG_VERIFY_AT, _GLIBCXX_DEBUG_VERIFY): Adapt.
3610         * src/c++11/debug.cc (_Error_formatter::_M_error): Render _M_function
3611         when available.
3612
3613 2018-05-08  Jonathan Wakely  <jwakely@redhat.com>
3614
3615         * include/bits/regex_automaton.h (_NFA_base::_M_paren_stack, _NFA):
3616         Use normal std::vector even in Debug Mode.
3617
3618         PR libstdc++/85672
3619         * include/Makefile.am [!ENABLE_FLOAT128]: Change c++config.h entry
3620         to #undef _GLIBCXX_USE_FLOAT128 instead of defining it to zero.
3621         * include/Makefile.in: Regenerate.
3622         * include/bits/c++config (_GLIBCXX_USE_FLOAT128): Move definition
3623         within conditional block.
3624
3625 2018-05-07  Jonathan Wakely  <jwakely@redhat.com>
3626
3627         * doc/xml/manual/using.xml (table.cmd_options): Document that the
3628         C++17 Filesystem implementation also needs -lstdc++fs.
3629
3630         PR libstdc++/85671
3631         * include/bits/fs_path.h (operator/): Permit copy elision.
3632         * include/experimental/bits/fs_path.h (operator/): Likewise.
3633
3634 2018-05-07  Edward Smith-Rowland  <3dw4rd@verizon.net>
3635
3636         Moar PR libstdc++/80506
3637         * include/bits/random.tcc (gamma_distribution::__generate_impl()):
3638         Fix magic number used in loop condition.
3639
3640 2018-05-04  Jonathan Wakely  <jwakely@redhat.com>
3641
3642         PR libstdc++/85642 fix is_nothrow_default_constructible<optional<T>>
3643         * include/std/optional (_Optional_payload): Add noexcept to default
3644         constructor. Re-indent.
3645         (_Optional_payload<_Tp, true, true, true>): Likewise. Add noexcept to
3646         constructor for copying disengaged payloads.
3647         (_Optional_payload<_Tp, true, false, true>): Likewise.
3648         (_Optional_payload<_Tp, true, true, false>): Likewise.
3649         (_Optional_payload<_Tp, true, false, false>): Likewise.
3650         * testsuite/20_util/optional/cons/85642.cc: New.
3651         * testsuite/20_util/optional/cons/value_neg.cc: Adjust dg-error lines.
3652
3653 2018-05-03  Jonathan Wakely  <jwakely@redhat.com>
3654
3655         PR libstdc++/82644
3656         * include/tr1/cmath [__STRICT_ANSI__] (hypergf, hypergl, hyperg): Use
3657         inline definitions instead of using-declarations.
3658         [__STRICT_ANSI__] (conf_hypergf, conf_hypergl, conf_hyperg): Likewise.
3659         * testsuite/tr1/5_numerical_facilities/special_functions/
3660         07_conf_hyperg/compile_cxx17.cc: New.
3661         * testsuite/tr1/5_numerical_facilities/special_functions/
3662         17_hyperg/compile_cxx17.cc: New.
3663
3664         PR libstdc++/84769
3665         * include/std/variant (visit): Qualify std::get call.
3666
3667         PR libstdc++/85632 use uintmax_t for arithmetic
3668         * src/filesystem/ops.cc (experimental::filesystem::space): Perform
3669         arithmetic in result type.
3670         * src/filesystem/std-ops.cc (filesystem::space): Likewise.
3671         * testsuite/27_io/filesystem/operations/space.cc: Check total capacity
3672         is greater than free space.
3673         * testsuite/experimental/filesystem/operations/space.cc: New.
3674
3675         * testsuite/20_util/remove_cvref/requirements/alias_decl.cc: New.
3676         * testsuite/20_util/remove_cvref/requirements/explicit_instantiation.cc:
3677         New.
3678         * testsuite/20_util/remove_cvref/value.cc: New.
3679         * testsuite/20_util/remove_cvref/value_ext.cc: New.
3680
3681         PR libstdc++/84087 LWG DR 2268 basic_string default arguments
3682         * include/bits/basic_string.h [_GLIBCXX_USE_CXX11_ABI=1]
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         Add default arguments (LWG 2268).
3689         [_GLIBCXX_USE_CXX11_ABI=0]
3690         (append(const basic_string&, size_type, size_type)
3691         (assign(const basic_string&, size_type, size_type)
3692         (insert(size_type, const basic_string&, size_type, size_type)
3693         (replace(size_type,size_type,const basic_string&,size_type,size_type)
3694         (compare(size_type,size_type,constbasic_string&,size_type,size_type)):
3695         Likewise.
3696         * testsuite/21_strings/basic_string/dr2268.cc: New test.
3697
3698         PR libstdc++/84535
3699         * include/std/thread (thread::__not_same): New SFINAE helper.
3700         (thread::thread(_Callable&&, _Args&&...)): Add SFINAE constraint that
3701         first argument is not a std::thread. Add static assertion to check
3702         INVOKE expression is valid.
3703         (thread::thread(thread&), thread::thread(const thread&&)): Remove.
3704         (thread::_Invoke::_M_invoke, thread::_Invoke::operator()): Use
3705         __invoke_result for return types and remove exception specifications.
3706         * testsuite/30_threads/thread/cons/84535.cc: New.
3707
3708         * include/std/future (__async_result_of): Use __invoke_result instead
3709         of result_of.
3710
3711         * include/std/any (any_cast): Use __remove_cvref_t.
3712         * include/std/tuple (__make_tuple): Likewise.
3713         * include/std/type_traits (__remove_cvref_t): Define.
3714         (__result_of_memobj, __result_of_memfun): Use __remove_cvref_t.
3715         [__cplusplus > 201703L] (remove_cvref, remove_cvref_t): Define.
3716         * include/std/variant (__erased_hash): Use __remove_cvref_t.
3717
3718 2018-05-02  François Dumont  <fdumont@gcc.gnu.org>
3719
3720         * include/bits/deque.tcc (deque<>::_M_assign_aux): Cast to void to
3721         ensure overloaded comma not used.
3722         * include/bits/list.tcc (list<>::_M_assign_dispatch): Likewise.
3723         * include/bits/vector.tcc (vector<>::_M_assign_aux): Likewise.
3724         * include/bits/stl_bvector.h (vector<bool>::_M_assign_aux): Likewise.
3725         * testsuite/23_containers/deque/modifiers/assign/1.cc: New.
3726         * testsuite/23_containers/list/modifiers/assign/1.cc: New.
3727         * testsuite/23_containers/vector/bool/modifiers/assign/1.cc: New.
3728         * testsuite/23_containers/vector/modifiers/assign/1.cc: New.
3729
3730 2018-05-02  Jonathan Wakely  <jwakely@redhat.com>
3731
3732         PR libstdc++/68197
3733         * include/bits/ios_base.h (ios_base::iword, ios_base::pword): Cast
3734         indices to unsigned.
3735         * src/c++11/ios.cc (ios_base::_M_grow_words): Treat negative indices
3736         as failure. Refactor error handling.
3737         * testsuite/27_io/ios_base/storage/68197.cc: New.
3738
3739         PR libstdc++/57997
3740         PR libstdc++/83860
3741         * include/bits/gslice_array.h (gslice_array): Define default
3742         constructor as deleted, as per C++11 standard.
3743         * include/bits/mask_array.h (mask_array): Likewise.
3744         * include/bits/slice_array.h (slice_array): Likewise.
3745         * include/bits/valarray_after.h (_GBase, _GClos, _IBase, _IClos): Move
3746         to namespace __detail.
3747         (_GBase::_M_expr, _IBase::_M_expr): Use _ValArrayRef for type of data
3748         members.
3749         * include/bits/valarray_before.h (_ValArrayRef): New helper for type
3750         of data members in closure objects.
3751         (_FunBase, _ValFunClos, _RefFunClos, _UnBase, _UnClos, _BinBase)
3752         (_BinBase2, _BinBase1, _BinClos, _SBase, _SClos): Move to namespace
3753         __detail.
3754         (_FunBase::_M_expr, _UnBase::_M_expr, _BinBase::_M_expr1)
3755         (_BinBase::_M_expr2, _BinBase2::_M_expr1, _BinBase1::_M_expr2)
3756         (_SBase::_M_expr): Use _ValArrayRef for type of data members.
3757         * include/std/valarray (_UnClos, _BinClos, _SClos, _GClos, _IClos)
3758         (_ValFunClos, _RefFunClos): Move to namespace __detail and add
3759         using-declarations to namespace std.
3760         * testsuite/26_numerics/valarray/83860.cc: New.
3761
3762         * testsuite/backward/strstream_move.cc: Remove duplicate function
3763         call.
3764
3765         PR libstdc++/69608
3766         * include/backward/strstream (strstreambuf): Define move constructor
3767         and move assignment operator.
3768         (istrstream, ostrstream, strstream): Likewise.
3769         * testsuite/backward/strstream_move.cc: New.
3770
3771 2018-05-01  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
3772
3773         PR libstdc++/84654
3774         * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
3775         * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
3776         * configure: Regenerate.
3777         * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
3778         based on ENABLE_FLOAT128.
3779         * include/Makefile.in: Regenerate.
3780         * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
3781         [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
3782         _GLIBCXX_USE_FLOAT128.
3783
3784 2018-04-24  H.J. Lu  <hongjiu.lu@intel.com>
3785
3786         * configure: Regenerated.
3787
3788 2018-04-19  Jakub Jelinek  <jakub@redhat.com>
3789
3790         * configure: Regenerated.
3791
3792 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3793             Jakub Jelinek  <jakub@redhat.com>
3794
3795         PR libstdc++/85442
3796         * src/c++11/Makefile.am: Don't generate debuginfo again for
3797         cxx11-ios_failure-lt.s and cxx11-ios_failure.s files.
3798         * src/c++11/Makefile.in: Regenerate.
3799
3800 2018-04-18  Jonathan Wakely  <jwakely@redhat.com>
3801
3802         PR libstdc++/84442
3803         * testsuite/30_threads/thread/cons/terminate.cc
3804         [!_GLIBCXX_USE_C99_STDLIB] : Use _exit or std::exit instead of _Exit.
3805
3806 2018-04-18  David Malcolm  <dmalcolm@redhat.com>
3807
3808         PR jit/85384
3809         * configure: Regenerate.
3810
3811 2018-04-16  Jonathan Wakely  <jwakely@redhat.com>
3812
3813         * testsuite/experimental/filesystem/file_status/1.cc: Add
3814         -DUSE_FILESYSTEM_TS to dg-options.
3815         * testsuite/experimental/filesystem/iterators/directory_iterator.cc:
3816         Likewise.
3817         * testsuite/experimental/filesystem/iterators/pop.cc: Likewise.
3818         * testsuite/experimental/filesystem/iterators/
3819         recursive_directory_iterator.cc: Likewise.
3820         * testsuite/experimental/filesystem/operations/absolute.cc: Likewise.
3821         * testsuite/experimental/filesystem/operations/canonical.cc: Likewise.
3822         * testsuite/experimental/filesystem/operations/copy.cc: Likewise.
3823         * testsuite/experimental/filesystem/operations/copy_file.cc: Likewise.
3824         * testsuite/experimental/filesystem/operations/create_directories.cc:
3825         Likewise.
3826         * testsuite/experimental/filesystem/operations/create_directory.cc:
3827         Likewise.
3828         * testsuite/experimental/filesystem/operations/create_symlink.cc:
3829         Likewise.
3830         * testsuite/experimental/filesystem/operations/current_path.cc:
3831         Likewise.
3832         * testsuite/experimental/filesystem/operations/equivalent.cc: Likewise.
3833         * testsuite/experimental/filesystem/operations/exists.cc: Likewise.
3834         * testsuite/experimental/filesystem/operations/file_size.cc: Likewise.
3835         * testsuite/experimental/filesystem/operations/is_empty.cc: Likewise.
3836         * testsuite/experimental/filesystem/operations/last_write_time.cc:
3837         Likewise.
3838         * testsuite/experimental/filesystem/operations/permissions.cc:
3839         Likewise.
3840         * testsuite/experimental/filesystem/operations/read_symlink.cc:
3841         Likewise.
3842         * testsuite/experimental/filesystem/operations/remove.cc: Likewise.
3843         * testsuite/experimental/filesystem/operations/remove_all.cc: Likewise.
3844         * testsuite/experimental/filesystem/operations/status.cc: Likewise.
3845         * testsuite/experimental/filesystem/operations/temp_directory_path.cc:
3846         Likewise.
3847         * testsuite/experimental/filesystem/path/append/path.cc: Likewise.
3848         * testsuite/experimental/filesystem/path/assign/assign.cc: Likewise.
3849         * testsuite/experimental/filesystem/path/assign/copy.cc: Likewise.
3850         * testsuite/experimental/filesystem/path/compare/compare.cc: Likewise.
3851         * testsuite/experimental/filesystem/path/compare/path.cc: Likewise.
3852         * testsuite/experimental/filesystem/path/compare/strings.cc: Likewise.
3853         * testsuite/experimental/filesystem/path/concat/path.cc: Likewise.
3854         * testsuite/experimental/filesystem/path/concat/strings.cc: Likewise.
3855         * testsuite/experimental/filesystem/path/construct/copy.cc: Likewise.
3856         * testsuite/experimental/filesystem/path/construct/default.cc:
3857         Likewise.
3858         * testsuite/experimental/filesystem/path/construct/locale.cc: Likewise.
3859         * testsuite/experimental/filesystem/path/construct/range.cc: Likewise.
3860         * testsuite/experimental/filesystem/path/construct/string_view.cc:
3861         Likewise.
3862         * testsuite/experimental/filesystem/path/decompose/extension.cc:
3863         Likewise.
3864         * testsuite/experimental/filesystem/path/decompose/filename.cc:
3865         Likewise.
3866         * testsuite/experimental/filesystem/path/decompose/parent_path.cc:
3867         Likewise.
3868         * testsuite/experimental/filesystem/path/decompose/relative_path.cc:
3869         Likewise.
3870         * testsuite/experimental/filesystem/path/decompose/root_directory.cc:
3871         Likewise.
3872         * testsuite/experimental/filesystem/path/decompose/root_name.cc:
3873         Likewise.
3874         * testsuite/experimental/filesystem/path/decompose/root_path.cc:
3875         Likewise.
3876         * testsuite/experimental/filesystem/path/decompose/stem.cc: Likewise.
3877         * testsuite/experimental/filesystem/path/generic/generic_string.cc:
3878         Likewise.
3879         * testsuite/experimental/filesystem/path/itr/traversal.cc: Likewise.
3880         * testsuite/experimental/filesystem/path/modifiers/clear.cc: Likewise.
3881         * testsuite/experimental/filesystem/path/modifiers/make_preferred.cc:
3882         Likewise.
3883         * testsuite/experimental/filesystem/path/modifiers/remove_filename.cc:
3884         Likewise.
3885         * testsuite/experimental/filesystem/path/modifiers/replace_extension.cc:
3886         Likewise.
3887         * testsuite/experimental/filesystem/path/modifiers/replace_filename.cc:
3888         Likewise.
3889         * testsuite/experimental/filesystem/path/modifiers/swap.cc: Likewise.
3890         * testsuite/experimental/filesystem/path/native/string.cc: Likewise.
3891         * testsuite/experimental/filesystem/path/nonmember/hash_value.cc:
3892         Likewise.
3893         * testsuite/experimental/filesystem/path/query/empty.cc: Likewise.
3894         * testsuite/experimental/filesystem/path/query/has_extension.cc:
3895         Likewise.
3896         * testsuite/experimental/filesystem/path/query/has_filename.cc:
3897         Likewise.
3898         * testsuite/experimental/filesystem/path/query/has_parent_path.cc:
3899         Likewise.
3900         * testsuite/experimental/filesystem/path/query/has_relative_path.cc:
3901         Likewise.
3902         * testsuite/experimental/filesystem/path/query/has_root_directory.cc:
3903         Likewise.
3904         * testsuite/experimental/filesystem/path/query/has_root_name.cc:
3905         Likewise.
3906         * testsuite/experimental/filesystem/path/query/has_root_path.cc:
3907         Likewise.
3908         * testsuite/experimental/filesystem/path/query/has_stem.cc: Likewise.
3909         * testsuite/experimental/filesystem/path/query/is_relative.cc:
3910         Likewise.
3911
3912 2018-04-13  Jonathan Wakely  <jwakely@redhat.com>
3913
3914         * src/c++11/Makefile.am: Fix sed command.
3915         * src/c++11/Makefile.in: Regenerate.
3916
3917         * src/c++11/Makefile.am: Rewrite sed rule to be less fragile and to
3918         handle mangled names starting with double underscores on darwin.
3919         * src/c++11/Makefile.in: Regenerate.
3920
3921 2018-04-12  Jonathan Wakely  <jwakely@redhat.com>
3922
3923         * src/c++11/Makefile.am: Fix comment.
3924         * src/c++11/Makefile.in: Regenerate.
3925         * src/c++11/cxx11-ios_failure.cc: Fix comment.
3926         * src/c++98/ios_failure.cc: Likewise.
3927
3928         * src/c++11/ios.cc: Remove redundant macro definition.
3929
3930 2018-04-11  Jonathan Wakely  <jwakely@redhat.com>
3931
3932         * doc/xml/manual/abi.xml: Document header locations in recent
3933         releases.
3934         * doc/xml/manual/evolution.xml: Add API changes since GCC 5.
3935         * doc/xml/manual/spine.xml: Update copyright years.
3936         * doc/xml/manual/strings.xml: Adjust tolower example to avoid
3937         undefined behaviour.
3938         * doc/xml/manual/test.xml: Update outdated notes on VERIFY in tests.
3939         * doc/html/*: Regenerate.
3940
3941 2018-04-10  Jonathan Wakely  <jwakely@redhat.com>
3942
3943         * doc/xml/faq.xml: Update links to archived copy of SGI STL docs.
3944         * doc/xml/manual/backwards_compatibility.xml: Likewise.
3945         * doc/xml/manual/containers.xml: Likewise.
3946         * doc/xml/manual/debug_mode.xml: Likewise.
3947         * doc/xml/manual/extensions.xml: Likewise.
3948         * doc/xml/manual/policy_data_structures_biblio.xml: Likewise.
3949         * doc/xml/manual/using.xml: Likewise.
3950         * doc/xml/manual/utilities.xml: Likewise.
3951
3952         PR libstdc++/85222
3953         * src/c++11/Makefile.am [ENABLE_DUAL_ABI]: Add special rules for
3954         cxx11-ios_failure.cc to rewrite type info for __ios_failure.
3955         * src/c++11/Makefile.in: Regenerate.
3956         * src/c++11/cxx11-ios_failure.cc (__ios_failure, __iosfail_type_info):
3957         New types.
3958         [_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3959         * src/c++11/ios.cc (__throw_ios_failure): Remove definition.
3960         * src/c++98/ios_failure.cc (__construct_ios_failure)
3961         (__destroy_ios_failure, is_ios_failure_handler): New functions.
3962         [!_GLIBCXX_USE_DUAL_ABI] (__throw_ios_failure): Define here.
3963         * testsuite/27_io/ios_base/failure/dual_abi.cc: New.
3964         * testsuite/27_io/basic_ios/copyfmt/char/1.cc: Revert changes to
3965         handler types, to always catch std::ios_base::failure.
3966         * testsuite/27_io/basic_ios/exceptions/char/1.cc: Likewise.
3967         * testsuite/27_io/basic_istream/extractors_arithmetic/char/
3968         exceptions_failbit.cc: Likewise.
3969         * testsuite/27_io/basic_istream/extractors_arithmetic/wchar_t/
3970         exceptions_failbit.cc: Likewise.
3971         * testsuite/27_io/basic_istream/extractors_other/char/
3972         exceptions_null.cc: Likewise.
3973         * testsuite/27_io/basic_istream/extractors_other/wchar_t/
3974         exceptions_null.cc: Likewise.
3975         * testsuite/27_io/basic_istream/sentry/char/12297.cc: Likewise.
3976         * testsuite/27_io/basic_istream/sentry/wchar_t/12297.cc: Likewise.
3977         * testsuite/27_io/basic_ostream/inserters_other/char/
3978         exceptions_null.cc: Likewise.
3979         * testsuite/27_io/basic_ostream/inserters_other/wchar_t/
3980         exceptions_null.cc: Likewise.
3981         * testsuite/27_io/ios_base/storage/2.cc: Likewise.
3982
3983 2018-04-05  Jonathan Wakely  <jwakely@redhat.com>
3984
3985         * include/std/variant (_VARIANT_RELATION_FUNCTION_TEMPLATE): Qualify
3986         __get calls to avoid ADL and avoid ambiguity due to Clang bug.
3987
3988 2018-04-03  Jonathan Wakely  <jwakely@redhat.com>
3989
3990         PR libstdc++/85183
3991         * include/std/variant (_Move_assign_base::operator=): Fix incorrect
3992         value categories.
3993         * testsuite/20_util/variant/85183.cc: New.
3994
3995 2018-03-26  Jonathan Wakely  <jwakely@redhat.com>
3996
3997         * include/std/variant (__get): Qualify calls to avoid ADL.
3998         (__select_index): Adjust whitespace.
3999         (variant): Add using-declaration to workaround Clang bug.
4000
4001 2018-03-22  Jonathan Wakely  <jwakely@redhat.com>
4002
4003         PR libstdc++/85040
4004         * include/bits/stl_function.h (greater::__not_overloaded)
4005         (less::__not_overloaded, greater_equal::__not_overloaded)
4006         (less_equal::__not_overloaded): Fix ambiguous specializations.
4007         * testsuite/20_util/function_objects/comparisons_pointer.cc: Add
4008         tests for type with overloaded operators.
4009
4010 2018-03-22  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4011
4012         PR libstdc++/77691
4013         * testsuite/experimental/memory_resource/resource_adaptor.cc:
4014         xfail execution on 32-bit Solaris/x86.
4015
4016 2018-03-21  Jonathan Wakely  <jwakely@redhat.com>
4017
4018         * testsuite/20_util/function_objects/comparisons_pointer.cc: Use
4019         VERIFY instead of assert.
4020         * testsuite/20_util/hash/84998.cc: New test.
4021         * testsuite/23_containers/vector/cons/destructible_debug_neg.cc: New
4022         copy of test adjusted for Debug Mode.
4023         * testsuite/23_containers/vector/cons/destructible_neg.cc: Do not run
4024         test in Debug Mode.
4025
4026 2018-03-20  François Dumont  <fdumont@gcc.gnu.org>
4027
4028         PR libstdc++/84998
4029         * include/bits/stl_bvector.h: Fix std::hash friend declaration.
4030         * include/std/bitset: Likewise.
4031         * include/bits/stl_map.h (std::map<>): Fix _Rb_tree_merge_helper friend
4032         declaration.
4033         * include/bits/stl_multimap.h (std::multimap<>): Likewise.
4034         * include/bits/stl_multiset.h (std::multiset<>): Likewise.
4035         * include/bits/stl_set.h (std::set<>): Likewise.
4036         * include/bits/unordered_map.h (std::unordered_map<>): Fix
4037         _Hash_merge_helper friend declaration.
4038         (std::unordered_multimap<>): Likewise.
4039         * include/bits/unordered_set.h (std::unordered_set<>): Likewise.
4040         (std::unordered_multiset<>): Likewise.
4041
4042 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4043
4044         * doc/xml/api.xml: www.fsf.org has moved to https. Also omit
4045         trailing slash for domain level link.
4046         * doc/xml/faq.xml: Ditto.
4047         * doc/xml/manual/appendix_free.xml (software): Ditto.
4048         * doc/xml/manual/intro.xml: Ditto.
4049         * doc/xml/manual/spine.xml: Ditto.
4050         * doc/xml/spine.xml: Ditto.
4051
4052 2018-03-19  Gerald Pfeifer  <gerald@pfeifer.com>
4053
4054         * doc/xml/manual/documentation_hacking.xml: Adjust link to
4055         docbook.org.
4056
4057 2018-03-17  Jonathan Wakely  <jwakely@redhat.com>
4058
4059         * testsuite/20_util/function_objects/comparisons_pointer.cc: Adjust
4060         to compile as C++98.
4061
4062 2018-03-14  Jonathan Wakely  <jwakely@redhat.com>
4063
4064         PR libstdc++/78420
4065         * include/bits/stl_function.h (greater<_Tp*>, less<_Tp*>)
4066         (greater_equal<_Tp*>, less_equal<_Tp>*): Add partial specializations
4067         to ensure total order for pointers.
4068         (greater<void>, less<void>, greater_equal<void>, less_equal<void>):
4069         Add operator() overloads for pointer arguments and make generic
4070         overloads dispatch to new _S_cmp functions when comparisons would
4071         use built-in operators for pointers.
4072         * testsuite/20_util/function_objects/comparisons_pointer.cc: New.
4073
4074 2018-03-12  Jonathan Wakely  <jwakely@redhat.com>
4075
4076         PR libstdc++/84773
4077         PR libstdc++/83662
4078         * crossconfig.m4: Check for aligned_alloc etc. on freebsd and mingw32.
4079         * configure: Regenerate.
4080         * include/c_global/cstdlib [_GLIBCXX_HAVE_ALIGNED_ALLOC]
4081         (aligned_alloc): Add using-declaration.
4082         * testsuite/18_support/aligned_alloc/aligned_alloc.cc: New test.
4083
4084 2018-03-09  François Dumont  <fdumont@gcc.gnu.org>
4085
4086         * python/libstdcxx/v6/printers.py (build_libstdcxx_dictionary):
4087         Fix std::_Fwd_list_iterator and std::_Fwd_list_const_iterator printers
4088         registration.
4089
4090 2018-03-09  Jonathan Wakely  <jwakely@redhat.com>
4091
4092         PR libstdc++/84769
4093         * include/std/variant (get<_Tp, _Types...>, get_if<_Tp, _Types...>):
4094         Qualify calls to get<_Np, Types...> and get_if<_Np, _Types...>.
4095
4096         src/filesystem/ops.cc (create_dir): Pass error_code to is_directory.
4097         src/filesystem/std-ops.cc (create_dir): Likewise.
4098
4099 2018-03-08  François Dumont  <fdumont@gcc.gnu.org>
4100
4101         * python/libstdcxx/v6/printers.py (NodeIteratorPrinter): New.
4102         (StdListIteratorPrinter): Inherit from latter.
4103         (StdFwdListIteratorPrinter): New, inherit from latter.
4104         (StdDebugIteratorPrinter.to_string): Use non-debug iterator printer
4105         when iterator has no associated container.
4106         (build_libstdcxx_dictionary): Add __gnu_cxx::_Fwd_list_iterator and
4107         __gnu_cxx::_Fwd_list_const_iterator printers. Remove __norm namespace
4108         registrations.
4109         * testsuite/libstdc++-prettyprinters/debug.cc: Adapt.
4110         * testsuite/libstdc++-prettyprinters/debug_cxx11.cc: Adapt.
4111
4112 2018-03-06  Ville Voutilainen  <ville.voutilainen@gmail.com>
4113
4114         PR libstdc++/84601
4115         * include/std/optional (_Optional_payload): Split into multiple
4116         specializations that can handle different cases of trivial or
4117         non-trivial assignment operators.
4118         * testsuite/20_util/optional/84601.cc: New.
4119         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4120
4121 2018-03-02  Jonathan Wakely  <jwakely@redhat.com>
4122
4123         PR libstdc++/84671
4124         * include/bits/parse_numbers.h (_Number_help): Add partial
4125         specialization to handle digit separators. Adjust partial
4126         specialization for recursion temrination to require _Pow == 1ULL.
4127         * testsuite/20_util/duration/literals/84671.cc: New
4128
4129 2018-02-27  Ville Voutilainen  <ville.voutilainen@gmail.com>
4130
4131         Implement the missing bits of LWG 2769
4132         * include/std/any (any_cast(const any&)): Add static_assert.
4133         (any_cast(any&)): Likewise.
4134         (any_cast(any&&)): Likewise, and remove the handling
4135         for copyable-but-not-movable type.
4136         * testsuite/20_util/any/misc/any_cast.cc: Adjust.
4137         * testsuite/20_util/any/misc/any_cast_neg.cc: Likewise, and
4138         add new tests.
4139
4140 2018-02-23  Jonathan Wakely  <jwakely@redhat.com>
4141
4142         PR libstdc++/84532
4143         * include/std/thread (thread::__make_invoker): Construct tuple
4144         directly instead of using make_tuple.
4145         * testsuite/30_threads/async/84532.cc: New.
4146         * testsuite/30_threads/thread/84532.cc: New.
4147
4148 2018-02-20  François Dumont  <fdumont@gcc.gnu.org>
4149
4150         * include/ext/aligned_buffer.h [_GLIBCXX_INLINE_VERSION]
4151         (template<> __aligned_buffer): Define as __aligned_membuf alias.
4152
4153 2018-02-19  Igor Tsimbalist  <igor.v.tsimbalist@intel.com>
4154
4155         PR target/84148
4156         * configure: Regenerate.
4157
4158 2018-02-15  Jonathan Wakely  <jwakely@redhat.com>
4159
4160         PR libstdc++/81797
4161         * configure.ac (INCLUDE_DIR_NOTPARALLEL): Define.
4162         * configure: Regenerate.
4163         * include/Makefile.am (INCLUDE_DIR_NOTPARALLEL): Add .NOTPARALLEL when
4164         defined.
4165         * include/Makefile.in: Regenerate.
4166
4167 2018-01-29  Jonathan Wakely  <jwakely@redhat.com>
4168
4169         PR libstdc++/83833
4170         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc:
4171         Add -ffloat-store to options for m68k and ia32.
4172
4173         * doc/xml/faq.xml: Update copyright years.
4174         * doc/html/*: Regenerate.
4175
4176         PR libstdc++/83658
4177         * include/std/any (any::__do_emplace): Only set _M_manager after
4178         constructing the contained object.
4179         * testsuite/20_util/any/misc/any_cast_neg.cc: Adjust dg-error line.
4180         * testsuite/20_util/any/modifiers/83658.cc: New test.
4181
4182 2018-01-25  Jonathan Wakely  <jwakely@redhat.com>
4183
4184         PR libstdc++/81076
4185         * include/c_global/cstddef (__byte_operand): Define primary template.
4186         * testsuite/18_support/byte/81076.cc: New test.
4187
4188 2018-01-19  Christophe Lyon  <christophe.lyon@linaro.org>
4189
4190         * testsuite/ext/special_functions/airy_ai/check_nan.cc: Fix
4191         dg-options and dg-add-options order.
4192         * testsuite/ext/special_functions/airy_bi/check_nan.cc: Likewise.
4193         * testsuite/ext/special_functions/conf_hyperg/check_nan.cc:
4194         Likewise.
4195         * testsuite/ext/special_functions/hyperg/check_nan.cc: Likewise.
4196         * testsuite/special_functions/01_assoc_laguerre/check_nan.cc:
4197         Likewise.
4198         * testsuite/special_functions/02_assoc_legendre/check_nan.cc:
4199         Likewise.
4200         * testsuite/special_functions/03_beta/check_nan.cc: Likewise.
4201         * testsuite/special_functions/04_comp_ellint_1/check_nan.cc:
4202         Likewise.
4203         * testsuite/special_functions/05_comp_ellint_2/check_nan.cc:
4204         Likewise.
4205         * testsuite/special_functions/06_comp_ellint_3/check_nan.cc:
4206         Likewise.
4207         * testsuite/special_functions/06_comp_ellint_3/pr66689.cc:
4208         Likewise.
4209         * testsuite/special_functions/07_cyl_bessel_i/check_nan.cc:
4210         Likewise.
4211         * testsuite/special_functions/08_cyl_bessel_j/check_nan.cc:
4212         Likewise.
4213         * testsuite/special_functions/09_cyl_bessel_k/check_nan.cc:
4214         Likewise.
4215         * testsuite/special_functions/10_cyl_neumann/check_nan.cc:
4216         Likewise.
4217         * testsuite/special_functions/11_ellint_1/check_nan.cc: Likewise.
4218         * testsuite/special_functions/12_ellint_2/check_nan.cc: Likewise.
4219         * testsuite/special_functions/13_ellint_3/check_nan.cc: Likewise.
4220         * testsuite/special_functions/13_ellint_3/pr66689.cc: Likewise.
4221         * testsuite/special_functions/14_expint/check_nan.cc: Likewise.
4222         * testsuite/special_functions/15_hermite/check_nan.cc: Likewise.
4223         * testsuite/special_functions/16_laguerre/check_nan.cc: Likewise.
4224         * testsuite/special_functions/17_legendre/check_nan.cc: Likewise.
4225         * testsuite/special_functions/18_riemann_zeta/check_nan.cc:
4226         Likewise.
4227         * testsuite/special_functions/19_sph_bessel/check_nan.cc:
4228         Likewise.
4229         * testsuite/special_functions/20_sph_legendre/check_nan.cc:
4230         Likewise.
4231         * testsuite/special_functions/21_sph_neumann/check_nan.cc:
4232         Likewise.
4233
4234 2018-01-18  Uros Bizjak  <ubizjak@gmail.com>
4235
4236         * configure.ac (AC_CHECK_HEADERS): Add linux/types.h.  Conditionally
4237         include linux/types.h when checking linux/random.h header.
4238         * config.h.in: Regenerate.
4239         * configure: Ditto.
4240         * src/c++11/random.cc: Conditionally include linux/types.h.
4241
4242 2018-01-16  Eric Botcazou  <ebotcazou@adacore.com>
4243
4244         * testsuite/17_intro/names.cc: Undefine 'y' on SPARC/Linux.
4245
4246 2018-01-16  Jonathan Wakely  <jwakely@redhat.com>
4247
4248         PR libstdc++/83834
4249         * config/abi/pre/gnu.ver (GLIBCXX_3.4): Replace std::c[a-g]* wildcard
4250         pattern with exact match for std::cerr.
4251
4252 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4253
4254         PR libstdc++/83833
4255         * include/bits/random.h (chi_squared_distribution::param): Update
4256         gamma distribution parameter.
4257         * testsuite/26_numerics/random/chi_squared_distribution/83833.cc: New
4258         test.
4259
4260         PR libstdc++/83830
4261         * include/std/type_traits (has_unique_object_representations_v): Add
4262         variable template.
4263         * testsuite/20_util/has_unique_object_representations/value.cc: Check
4264         variable template.
4265
4266 2018-01-15  Ville Voutilainen  <ville.voutilainen@gmail.com>
4267
4268         Make optional conditionally
4269         trivially_{copy,move}_{constructible,assignable}
4270         * include/std/optional (_Optional_payload): Fix the comment in
4271         the class head and turn into a primary and one specialization.
4272         (_Optional_payload::_M_engaged): Strike the NSDMI.
4273         (_Optional_payload<_Tp, false>::operator=(const _Optional_payload&)):
4274         New.
4275         (_Optional_payload<_Tp, false>::operator=(_Optional_payload&&)):
4276         Likewise.
4277         (_Optional_payload<_Tp, false>::_M_get): Likewise.
4278         (_Optional_payload<_Tp, false>::_M_reset): Likewise.
4279         (_Optional_base_impl): Likewise.
4280         (_Optional_base): Turn into a primary and three specializations.
4281         (optional(nullopt)): Change the base init.
4282         * testsuite/20_util/optional/assignment/8.cc: New.
4283         * testsuite/20_util/optional/cons/trivial.cc: Likewise.
4284         * testsuite/20_util/optional/cons/value_neg.cc: Adjust.
4285
4286 2018-01-15  Jonathan Wakely  <jwakely@redhat.com>
4287
4288         PR libstdc++/80276
4289         * python/libstdcxx/v6/printers.py (strip_inline_namespaces): New.
4290         (get_template_arg_list): New.
4291         (StdVariantPrinter._template_args): Remove, use get_template_arg_list
4292         instead.
4293         (TemplateTypePrinter): Rewrite to work with gdb.Type objects instead
4294         of strings and regular expressions.
4295         (add_one_template_type_printer): Adapt to new TemplateTypePrinter.
4296         (FilteringTypePrinter): Add docstring. Match using startswith. Use
4297         strip_inline_namespaces instead of strip_versioned_namespace.
4298         (add_one_type_printer): Prepend namespace to match argument.
4299         (register_type_printers): Add type printers for char16_t and char32_t
4300         string types and for types using cxx11 ABI. Update calls to
4301         add_one_template_type_printer to provide default argument dicts.
4302         * testsuite/libstdc++-prettyprinters/80276.cc: New test.
4303         * testsuite/libstdc++-prettyprinters/whatis.cc: Remove tests for
4304         basic_string<unsigned char> and basic_string<signed char>.
4305         * testsuite/libstdc++-prettyprinters/whatis2.cc: Duplicate whatis.cc
4306         to test local variables, without overriding _GLIBCXX_USE_CXX11_ABI.
4307
4308 2018-01-14  Andreas Schwab  <schwab@linux-m68k.org>
4309
4310         PR libstdc++/81092
4311         * config/abi/post/ia64-linux-gnu/baseline_symbols.txt: Update.
4312
4313 2018-01-13  Tim Shen  <timshen@google.com>
4314
4315         PR libstdc++/83601
4316         * include/bits/regex.tcc (regex_replace): Fix escaping in sed.
4317         * testsuite/28_regex/algorithms/regex_replace/char/pr83601.cc: Tests.
4318         * testsuite/28_regex/algorithms/regex_replace/wchar_t/pr83601.cc: Tests.
4319
4320 2018-01-12  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4321
4322         PR libstdc++/64054
4323         * testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
4324         Remove dg-xfail-run-if.
4325
4326 2018-01-10  François Dumont  <fdumont@gcc.gnu.org>
4327
4328         * include/bits/forward_list.h
4329         (_Fwd_list_node_base(_Fwd_list_node_base&&)): New.
4330         (_Fwd_list_node_base& operator=(_Fwd_list_node_base&&)): New.
4331         (_Fwd_list_node_base(const _Fwd_list_node_base&)): Explicit delete.
4332         (_Fwd_list_node_base& operator=(const _Fwd_list_node_base&)): Likewise.
4333         (_Fwd_list_impl()): Add noexcept qualification.
4334         (_Fwd_list_impl(const _Node_alloc_type&)): Delete.
4335         (_Fwd_list_impl(_Fwd_list_impl&&)): New, default.
4336         (_Fwd_list_impl(_Fwd_list_impl&&, _Node_alloc_type&&)): New.
4337         (_Fwd_list_base()): Default.
4338         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&, true_type)): New.
4339         (_Fwd_list_base(_Fwd_list_base&&)): Default.
4340         (forward_list<>()): Default.
4341         (forward_list<>(forward_list&&)): Default.
4342         (forward_list(forward_list&&, _Node_alloc_type&&, false_type)): New.
4343         (forward_list(forward_list&&, _Node_alloc_type&&, true_type)): New.
4344         (forward_list(forward_list&&, const _Alloc&)): Adapt to use latters.
4345         * include/bits/forward_list.tcc
4346         (_Fwd_list_base(_Fwd_list_base&&, _Node_alloc_type&&)): Adapt to use
4347         _M_impl._M_head move assignment.
4348         (forward_list<>::merge(forward_list<>&&, _Comp)): Likewise.
4349         * testsuite/23_containers/forward_list/allocator/default_init.cc: New.
4350
4351 2018-01-09  Jonathan Wakely  <jwakely@redhat.com>
4352
4353         PR libstdc++/80276
4354         * python/libstdcxx/v6/printers.py (SharedPointerPrinter)
4355         (UniquePointerPrinter): Print correct template argument, not type of
4356         the pointer.
4357         (TemplateTypePrinter._recognizer.recognize): Handle failure to lookup
4358         a type.
4359         * testsuite/libstdc++-prettyprinters/cxx11.cc: Test unique_ptr of
4360         array type.
4361         * testsuite/libstdc++-prettyprinters/cxx17.cc: Test shared_ptr and
4362         weak_ptr of array types.
4363
4364 2018-01-09  François Dumont  <fdumont@gcc.gnu.org>
4365
4366         PR libstdc++/83709
4367         * include/bits/hashtable_policy.h
4368         (__distance_fwd(_Iterator, _Iterator, input_iterator_tag)): Return 1 if
4369         __first != __last.
4370         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, true_type)): New.
4371         (_Insert_base::_M_insert_range(_Ite, _Ite, _NodeGetter, false_type)):
4372         Add false_type parameter.
4373         (_Insert_base::insert): Adapt.
4374         * include/bits/hashtable.h (_Hashtable::operator=(initializzr_list<>)):
4375         Adapt.
4376         (_Hashtable::_M_insert(_Arg&&, const _NodeGen&, true_type, size_t)):
4377          Add __n_elt parameter, defaulted to 1.
4378         (_Hashtable::_M_insert_unique_node): Likewise. Use it to call rehash
4379         policy _M_need_rehash.
4380         (_Hashtable::_M_merge_unique): Pass target number of elements to add to
4381         produce only 1 rehash if necessary.
4382         * testsuite/23_containers/unordered_map/insert/83709.cc: New.
4383         * testsuite/23_containers/unordered_set/insert/83709.cc: New.
4384
4385 2018-01-09  Juraj Oršulić  <juraj.orsulic@fer.hr>
4386             Jonathan Wakely  <jwakely@redhat.com>
4387
4388         PR libstdc++/59253 (partial)
4389         * python/libstdcxx/v6/printers.py (SmartPtrIterator): Common iterator
4390         type for pointer stored by shared_ptr, weak_ptr and unique_ptr.
4391         (SharedPointerPrinter, UniquePointerPrinter): Treat stored values as
4392         children.
4393         * testsuite/libstdc++-prettyprinters/cxx11.cc: Update expected output
4394         of unique_ptr printer.
4395         * testsuite/libstdc++-prettyprinters/shared_ptr.cc: Update expected
4396         output of shared_ptr printer.
4397
4398 2018-01-05  Jonathan Wakely  <jwakely@redhat.com>
4399
4400         PR libstdc++/83626
4401         * src/filesystem/ops.cc (remove(const path&, error_code&)): Remove
4402         unnecessary symlink_status call.
4403         (remove_all(const path&, error_code&)): Use filesystem::remove.
4404         * src/filesystem/std-ops.cc: Likewise.
4405
4406         PR libstdc++/83279
4407         * src/filesystem/std-ops.cc  (do_copy_file): Use non-null offset with
4408         sendfile.
4409
4410         PR libstdc++/83626
4411         * src/filesystem/ops.cc (remove(const path&, error_code&)): Do not
4412         report an error for ENOENT.
4413         (remove_all(const path&)): Fix type of result variable.
4414         (remove_all(const path&, error_code&)): Use non-throwing increment
4415         for directory iterator. Call POSIX remove directly to avoid redundant
4416         calls to symlink_status. Do not report errors for ENOENT.
4417         * src/filesystem/std-ops.cc: Likewise.
4418         * testsuite/27_io/filesystem/operations/remove_all.cc: Test throwing
4419         overload.
4420         * testsuite/experimental/filesystem/operations/remove_all.cc:
4421         Likewise.
4422
4423 2018-01-04  Jonathan Wakely  <jwakely@redhat.com>
4424
4425         PR libstdc++/83626
4426         * src/filesystem/ops.cc (remove(const path&, error_code&))): Remove
4427         redundant call to ec.clear().
4428         (remove_all(const path&, error_code&))): Do not return an error for
4429         non-existent paths.
4430         * src/filesystem/std-ops.cc: Likewise.
4431         * testsuite/27_io/filesystem/operations/remove.cc: New test.
4432         * testsuite/27_io/filesystem/operations/remove_all.cc: Fix expected
4433         results for non-existent paths.
4434         * testsuite/experimental/filesystem/operations/remove.cc: New test.
4435         * testsuite/experimental/filesystem/operations/remove_all.cc: Fix
4436         expected results for non-existent paths.
4437
4438         * include/bits/fs_ops.h (exists(const path&, error_code&))): Only
4439         check status_known once.
4440         * include/experimental/bits/fs_ops.h: Likewise.
4441
4442         PR libstdc++/83607
4443         * include/std/functional (__is_byte_like): New trait.
4444         (__is_std_equal_to): Remove.
4445         (__boyer_moore_base_t): Use __is_byte_like instead of
4446         __is_std_equal_to.
4447         * include/experimental/functional (__is_std_equal_to): Remove.
4448         (__boyer_moore_base_t): Use __is_byte_like instead of
4449         __is_std_equal_to.
4450         * testsuite/20_util/function_objects/83607.cc: New test.
4451
4452 2018-01-03  Ville Voutilainen  <ville.voutilainen@gmail.com>
4453
4454         Protect optional's deduction guide with the feature macro
4455         * include/std/optional: Use the feature macro.
4456
4457 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
4458
4459         Update copyright years.
4460 \f
4461 Copyright (C) 2018 Free Software Foundation, Inc.
4462
4463 Copying and distribution of this file, with or without modification,
4464 are permitted in any medium without royalty provided the copyright
4465 notice and this notice are preserved.